1. A phase-change waste heat recovery ventilation heating system for a shower room is characterized by comprising a heating water pipe grid (2) and a phase-change waste heat recovery ventilation wallboard (14);

the heating water pipe grid (2) is embedded in the bottom area of the shower room and the 2/3 area of the peripheral side wall board close to the bottom;

the inlet of a hot water circulation pipeline of the heating water pipe grid (2) is connected with an inner drainage port of the shower room through a first connecting pipeline (1); the first connecting pipeline (1) is connected with a hot water supply pipeline of a water inlet of the shower room through a second connecting pipeline (3), the first connecting pipeline (1) and the second connecting pipeline (3) are both connected with the initial end of a serpentine coil (22) in a heating water pipe grid (2), and the tail end of the serpentine coil (22) is connected with an outer water discharge port of the shower room through a third connecting pipeline (4);

the first connecting pipeline (1), the second connecting pipeline (3) and the snake-shaped coil (22) are respectively connected with the miniature intelligent analysis controller (6), so that the temperature and the flow control of hot water in the pipeline can be realized;

the phase change waste heat recovery ventilation wall panel (14) is embedded in the 1/3 area near the top of the peripheral side wall panel of the shower room.

2. The shower room phase change waste heat recovery ventilation heating system as claimed in claim 1, wherein the first connecting pipe (1) is provided with a first flow monitor (7), and the first flow monitor (7) is connected with the micro intelligent analysis controller (6).

3. The phase change waste heat recovery ventilation heating system for the shower room according to claim 1, wherein the second connecting pipe (3) is provided with an electric heater (5), a first temperature monitor (8) and a first ball valve (11), the electric heater (5), the first temperature monitor (8) and the first ball valve (11) are respectively connected with a micro intelligent analysis controller (6).

4. The phase change waste heat recovery ventilation heating system for the shower room according to claim 1, wherein a second ball valve (12) is arranged on the third connecting pipeline (4), and the second ball valve (12) is connected with the micro intelligent analysis controller (6).

5. The phase change waste heat recovery ventilation heating system for the shower room according to claim 1, wherein the serpentine coil (22) is disposed in the peripheral wall panel of the shower room, and the heat insulation layer (21) is disposed on the peripheral wall panel of the shower room outside the serpentine coil (22).

6. The shower room phase change waste heat recovery ventilation heating system as claimed in claim 5, wherein the thermal insulation layer (21) is internally provided with ceramic fiber material with heat conductivity coefficient λ < 0.20W/(m.K).

7. The phase change waste heat recovery ventilation heating system for shower room according to claim 1, characterized in that the beginning section of the serpentine coil (22) is arranged with the second temperature monitor (9), the end of the serpentine coil (22) is arranged with the second flow monitor (10), the second temperature monitor (9) and the second flow monitor (10) are respectively connected with the micro intelligent analysis controller (6).

8. The phase-change waste heat recovery ventilation heating system for the shower room according to claim 1, wherein the phase-change waste heat recovery ventilation wallboard (14) comprises a ventilation wallboard heat insulation layer (141) and a condensation pore plate surface (144), the ventilation wallboard heat insulation layer (141) is arranged at the outer side of the shower room, the condensation pore plate surface (144) is arranged at the inner side of the shower room, an air duct (142) is arranged between the ventilation wallboard heat insulation layer (141) and the condensation pore plate surface (144), and a phase-change material capsule body (143) is arranged on the air duct (142).

9. The shower room phase change waste heat recovery ventilation heating system as claimed in claim 8, wherein the air duct (142) is of S-shaped structure, and the plurality of phase change material capsules (143) are arranged at intervals in the bent area of the S-shaped structure air duct (142).

10. The shower room phase change waste heat recovery ventilation heating system as claimed in claim 8, wherein the phase change material capsule body (143) is internally provided with a phase change material with a phase change temperature of 20-25 ℃.

Background

The shower room is convenient to install, strong in mobility and strong in convenience, and is a favored bathroom option with dry-wet separation and strong installation independence in urban and rural areas.

The shower is a common bathing mode in life, water is sprayed to the whole body by a spray head during bathing, when hot water is used for showering, the shower water with high temperature falls to the ground after the human body is washed away for a short time, the shower water flows away through a drainage channel on the ground, a large amount of residual heat in waste water is discharged along with the shower water, and therefore energy waste is caused. Meanwhile, when showering, the shower room is filled with high-temperature water vapor with higher temperature, and heat is wasted due to direct discharge.

The existing waste heat recovery system of the shower room collects waste water and uses the waste water as the preheating of water for the shower room through heat exchange, the waste heat recovery effect is very little, the heat loss is large during the heat exchange, and the flow is complex; meanwhile, the water temperature of the shower waste water is close to the water temperature requirement of radiation heating, and the shower room has the heating requirement during shower. Because the shower room is often in a high-temperature and high-humidity air state, the shower room has the ventilation requirement of fresh air supply during shower based on the requirement of comfort.

Disclosure of Invention

The invention aims to solve the technical problem that the defects in the prior art are overcome, and the phase-change waste heat recovery ventilation heating system for the shower room is suitable for the shower room.

The invention adopts the following technical scheme:

a phase-change waste heat recovery ventilation heating system for a shower room comprises a heating water pipe grid and a phase-change waste heat recovery ventilation wallboard;

the heating water pipe grid is embedded in the bottom area of the shower room and 2/3 area of the peripheral side wall board close to the bottom;

the hot water circulation pipeline inlet of the heating water pipe grid is connected with the inner drainage port of the shower room through a first connecting pipeline; the first connecting pipeline is connected with a hot water supply pipeline for shower at a water inlet of the shower room through a second connecting pipeline, the first connecting pipeline and the second connecting pipeline are both connected with the initial end of the serpentine coil in the heating water pipe grid, and the tail end of the serpentine coil is connected with an outer water discharge port of the shower room through a third connecting pipeline;

the first connecting pipeline, the second connecting pipeline and the snakelike coil are respectively connected with the miniature intelligent analysis controller, so that the temperature and the flow control of hot water in the pipeline can be realized;

the phase change waste heat recovery ventilation wall board is embedded in the 1/3 area near the top of the peripheral side wall board of the shower room.

Specifically, a first flow monitor is arranged on the first connecting pipeline and connected with the miniature intelligent analysis controller.

Specifically, the second connecting pipeline is provided with an electric heater, a first temperature monitor, a first ball valve, the electric heater, the first temperature monitor and the first ball valve which are respectively connected with the miniature intelligent analysis controller.

Specifically, a second ball valve is arranged on the third connecting pipeline and connected with the miniature intelligent analysis controller.

Specifically, the serpentine coil is arranged in the wall plates on the peripheral side of the shower room, and the wall plates on the peripheral side of the shower room on the outer side of the serpentine coil are provided with heat insulation layers.

Furthermore, a ceramic fiber material with the thermal conductivity coefficient lambda less than 0.20W/(m.K) is arranged in the heat-insulating layer.

Specifically, a second temperature monitor is arranged at the initial section of the serpentine coil, a second flow monitor is arranged at the tail end of the serpentine coil, and the second temperature monitor and the second flow monitor are respectively connected with the miniature intelligent analysis controller.

Specifically, the phase-change waste heat recovery ventilation wallboard comprises a ventilation wallboard heat-insulating layer and a condensation pore plate surface, wherein the ventilation wallboard heat-insulating layer is arranged on the outer side of the shower room, the condensation pore plate surface is arranged on the inner side of the shower room, an air channel is arranged between the ventilation wallboard heat-insulating layer and the condensation pore plate surface, and a phase-change material capsule body is arranged on the air channel.

Furthermore, the air duct is of an S-shaped structure, the phase-change material capsule bodies comprise a plurality of air ducts, and the air ducts are arranged in the bending area of the S-shaped structure air duct at intervals.

Furthermore, a phase-change material with the phase-change temperature of 20-25 ℃ is arranged in the phase-change material capsule body.

Compared with the prior art, the invention has at least the following beneficial effects:

according to the phase change waste heat recovery ventilation heating system for the shower room, the serpentine coil and the phase change waste heat recovery ventilation wall plate are embedded in the wall plates on the peripheral side of the shower room, waste water and waste heat in the shower room are used for shower heating, and water vapor and waste heat are used for heating fresh air, so that waste water and water vapor suitable for the shower room are recovered and utilized; the heat storage/release characteristics of the phase-change material are fully utilized, the intermittent fresh air heating energy requirement of the intermittent work of the shower room is met, the temperature is taken as a 'heat switch', the heat in the water vapor is efficiently stored for the fresh air heating of the whole shower room, and the energy consumption caused by the fresh air heating is greatly reduced; meanwhile, the serpentine coil is embedded in the side wall plates of the shower room, and a wall radiation heating mode is adopted, so that the heating comfort is improved.

Furthermore, a first flow monitor is arranged on the first connecting pipeline, the flow of the first flow monitor is monitored, the flow of the first flow monitor is discharged into the circulating pipeline from the shower room and is input into the miniature intelligent analysis controller as an input signal, so that the flow in the heating circulating pipeline can be monitored in real time, the opening degree of the first ball valve and the opening degree of the second ball valve are adjusted, and the stability of the flow of hot water in the shower waste water heating circulating pipeline and the smoothness of water drainage in the shower room are ensured.

Furthermore, an electric heater, a first temperature monitor and a first ball valve are arranged on the second connecting pipeline. The second connecting pipeline mainly guarantees the stability of hot water flow and temperature in the shower waste water heating circulation pipeline, and when first temperature monitor monitored heating circulation pipeline in the temperature not reach the heating temperature, the water inlet lets in the running water outside the shower room, and the heating intensifies through electric heater, through first ball valve aperture control flow, supplies hot water to heating circulation pipeline in, guarantees the stability of hot water flow and temperature in the shower waste water heating circulation pipeline.

Furthermore, a second ball valve is arranged on the third connecting pipeline, when the water discharge in the shower room is overlarge, in order to avoid water accumulation in the shower room and guarantee the hot water flow in the shower waste water heating circulating pipeline, the water discharge in the shower room can be adjusted by adjusting the second ball valve of the third connecting pipeline connected with the outer water discharge port.

Furthermore, the snakelike coil pipe is arranged in the side wall plates of the shower room and supplies heat to the shower room in a radiation mode. The heat insulation layer is arranged on the side wall plate on the periphery of the shower room outside the serpentine coil pipe, so that heat loss to the outside of the shower room is reduced, the heat is utilized to the maximum extent, and waste of the heat is avoided.

Furthermore, the heat insulation layer is internally provided with a ceramic fiber material with the heat conductivity coefficient lambda less than 0.20W/(m.K), so that the thermal resistance at the outer side of the shower room can be effectively increased, and the heat in the snake-shaped coil pipe is radiated to the shower room for heating.

Furthermore, a second temperature monitor is arranged at the initial section of the serpentine coil, and a second flow monitor is arranged at the tail end of the serpentine coil to monitor the temperature and the flow of hot water in the shower waste water heating circulating pipeline.

Furthermore, the phase-change waste heat recovery ventilation wall board comprises a ventilation wall board heat insulation layer and a condensation pore board, the ventilation wall board heat insulation layer is arranged on the outer side of the shower room, the condensation pore board is arranged on the inner side of the shower room, an air channel is arranged between the ventilation wall board heat insulation layer and the condensation pore board, a phase-change material capsule body is arranged on the air channel, when the shower room works, a large amount of high-temperature water vapor is condensed on the high-thermal-conductivity condensation pore board on the inner side of the phase-change waste heat recovery ventilation wall board to release heat, and the phase-change material in the phase-change material capsule body absorbs heat; the low-temperature fresh air enters from the air inlet on the outdoor side and flows through the S-shaped air channel, the phase-change material in the phase-change material capsule releases heat, the fresh air is heated in a dividing wall type heat transfer mode, the fresh air is heated and then is discharged from the air outlet into the shower room, the fresh air in the room is supplied, and the water vapor waste heat is used for heating the fresh air.

Furthermore, the air duct is of an S-shaped structure, the phase-change material capsule bodies are arranged in the bending area of the air duct of the S-shaped structure at intervals, low-temperature fresh air enters from the air inlet on the outdoor side and flows through the S-shaped air duct, the phase-change material in the phase-change material capsule bodies releases heat, and the fresh air is heated in a dividing wall type heat transfer mode. The air duct is set to be S-shaped, and the phase-change material capsule bodies are arranged in the bent area of the air duct with the S-shaped structure at intervals, so that the heat transfer area is increased, and the heat transfer process of the phase-change material capsule bodies for releasing heat and heating fresh air is enhanced.

Furthermore, a phase-change material with the phase-change temperature of 20-25 ℃ is arranged in the phase-change material capsule body. When the shower room works, a large amount of high-temperature water vapor is condensed and released on the surface of a high-thermal-conductivity condensation orifice plate on the indoor side of the phase-change waste heat recovery ventilation wallboard, the temperature is 20-25 ℃ higher than the phase-change temperature, and the phase-change material in the phase-change material capsule absorbs heat; and low-temperature fresh air enters from an air inlet at the outdoor side and flows through the S-shaped air channel, the temperature is 20-25 ℃ higher than the phase-change temperature, the phase-change material in the phase-change material capsule releases heat, and the fresh air is heated in a dividing wall type heat transfer mode. The heat storage/release characteristics of the phase-change material are fully utilized, the intermittent fresh air heating energy requirement of the shower room during intermittent work is met, the temperature is used as a 'heat switch', heat in water vapor is efficiently stored for fresh air heating of the whole shower room, and energy consumption caused by fresh air heating is greatly reduced.

In conclusion, the phase-change waste heat recovery ventilation heating system for the shower room suitable for the shower room of the shower room fully meets the requirements on fresh air volume and temperature comfort during intermittent working of the shower room based on the phase-change energy storage technology and the radiation heating technology, and achieves the effects of energy conservation and comfortable ventilation heating in the shower room.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the phase change waste heat recovery ventilation wallboard of the present invention.

Wherein: 1. a first connecting pipe; 2. a heating water pipe grid; 21. a heat-insulating layer; 22. a serpentine coil; 3. a second connecting pipe; 4. a third connecting pipe; 5. an electric heater; 6. a miniature intelligent analysis controller; 7. a first flow monitor; 8. a first temperature monitor; 9. a second temperature monitor; 10. a second flow monitor; 11. a first ball valve; 12. a second ball valve; 13. a data line; 14. phase change waste heat recovery ventilation wallboard; 141. a ventilating wallboard insulating layer; 142. an air duct; 143. a phase change material capsule body; 144. condensing orifice plate face.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "one side", "one end", "one side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Various structural schematics according to the disclosed embodiments of the invention are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.

The invention discloses a phase change waste heat recovery ventilation heating system for a shower room, which is characterized in that a serpentine coil and a phase change waste heat recovery ventilation wall plate are embedded in the side wall plates of the shower room, waste water and waste heat in the shower room are used for shower heating, and waste water vapor are used for heating fresh air, so that waste water and waste water vapor suitable for a movable shower room are recovered and utilized, the requirements of air quality in the shower room on fresh air quantity and temperature comfort are fully met, and the effects of energy conservation and comfortable ventilation heating in the shower room are achieved.

Referring to fig. 1, the phase change waste heat recovery ventilation heating system for a shower room of the present invention comprises a first connecting pipe 1, a heating water pipe grid 2, a second connecting pipe 3, a third connecting pipe 4, an electric heater 5, a micro intelligent analysis controller 6, a first flow monitor 7, a first temperature monitor 8, a second temperature monitor 9, a second flow monitor 10, a first ball valve 11, a second ball valve 12, a data line 13 and a phase change waste heat recovery ventilation wall plate 14.

The phase change waste heat recovery ventilation wall plate 14 is arranged in the 1/3 area of the peripheral side wall plate of the shower room close to the top; the heating water pipe grid 2 is embedded in the bottom area of the shower room and the 2/3 area of the peripheral side wall board close to the bottom, the inlet of the hot water circulation pipeline of the heating water pipe grid 2 is connected with the drain outlet in the shower room to be used as a first connecting pipeline 1, and a first flow monitor 7 is arranged on the first connecting pipeline 1; the first connecting pipe 1 is connected with a water inlet of a shower room for a hot water pipe of the shower as a second connecting pipe 3, and an electric heater 5, a first temperature monitor 8 and a first ball valve 11 are arranged on the second connecting pipe 3.

Wherein, first connecting tube 1 is into water connecting tube, second connecting tube 3 is the moisturizing connecting tube, third connecting tube 4 is out water connecting tube, first flow monitor 7 is used for monitoring into water connecting tube's flow, second flow monitor 10 is used for monitoring heating pipe (whether heating pipe is exactly snakelike coil pipe)'s flow, first temperature monitor 8 is used for monitoring moisturizing connecting tube's temperature, second temperature monitor 9 is used for monitoring heating pipe's temperature, first ball valve 11 is ball valve for the moisturizing connecting tube, second ball valve 12 is out water connecting tube and uses the ball valve.

The phase change waste heat recovery ventilation wall plate 14 is arranged in the 1/3 area of the peripheral side wall plate of the shower room close to the top; the heating water pipe grid 2 is embedded in the bottom area of the shower room and the 2/3 area of the peripheral side wall board near the bottom.

The heating water pipe grid 2 comprises a heat insulation layer 21 and a serpentine coil 22, the heat insulation layer 21 is arranged on the outer side of the shower room, the serpentine coil 22 is located in the side wall plates on the periphery of the shower room, and the first connecting pipeline 1, the second connecting pipeline 3 and the serpentine coil 22 are converged through a tee pipe.

Preferably, the heat-insulating layer 21 is made of a ceramic fiber material having a thermal conductivity λ <0.20W/(m · K).

A second temperature monitor 9 is arranged at the initial section of the serpentine coil 22, a second flow monitor 10 is arranged at the terminal end of the serpentine coil 22, the terminal end of the serpentine coil 22 is connected with an external drainage outlet of the shower room to form a third connecting pipe 4, and a second ball valve 12 is arranged on the third connecting pipe 4.

The first flow monitor 7, the first temperature monitor 8, the first ball valve 11, the second temperature monitor 9, the second flow monitor 10 and the second ball valve 12 are all connected with the miniature intelligent analysis controller 6 through data lines 13.

The miniature intelligent analysis controller 6 can intelligently analyze the temperature and flow signals of the first flow monitor 7, the first temperature monitor 8, the second temperature monitor 9 and the second flow monitor 10 and simultaneously control the opening degree of the first ball valve 11 and the second ball valve 12.

The micro intelligent analysis controller 6 is a programmable logic controller (PLC controller for short), and can intelligently analyze the temperature and flow signals of the first flow monitor, the second temperature monitor, the first temperature monitor and the second flow monitor, so as to control the opening degree of the first ball valve and the second ball valve.

Preferably, the drain outlet of the shower room is provided with a filtering device for filtering impurities.

Referring to fig. 2, which is a schematic structural diagram of the phase change waste heat recovery ventilation wall panel 14, the phase change waste heat recovery ventilation wall panel 14 is disposed in 1/3 areas near the top of the peripheral side wall panels of the shower room, and the phase change waste heat recovery ventilation wall panel 14 includes a ventilation wall panel heat insulation layer 141, an S-shaped air duct 142, a phase change material capsule body 143, and a high thermal conductivity condensation pore plate panel 144.

The heat insulation layer 141 of the ventilation wall board is arranged at the outer side of the shower room, the air duct 142 and the phase change material capsule body 143 are arranged at the inner side of the phase change waste heat recovery ventilation wall board 14, the phase change material capsule body 143 is embedded in a region formed by bending the air duct 142, the condensation pore plate face 144 is arranged at the inner side of the shower room, and the air duct 142 is of an S-shaped structure.

The inlet of the air duct 142 is communicated with the outdoor air or with a preset fresh air duct, and the outlet of the air duct 142 is communicated with the air outlet in the shower room.

Preferably, the filler of the phase-change material capsule body 143 is a phase-change material with a phase-change temperature of 20-25 ℃ and is safe and non-toxic, and may be selected from but not limited to an inorganic phase-change constant temperature material (PCM-20), and contains 32% by mass of calcium chloride hexahydrate, 5% by mass of glycerol, 4.5% by mass of potassium persulfate, 4% by mass of hydroxyethyl methacrylate, 6.2% by mass of acrylic acid, 2.8% by mass of sodium chloride, and 45.5% by mass of water.

Preferably, the condensation orifice plate 144 is a porous metal plate with high thermal conductivity.

Preferably, the air wall panel insulation layer 141 is a ceramic fiber material having a thermal conductivity λ <0.20W/(m · K).

Preferably, the air duct 142 is made of a metal material with high thermal conductivity and good ductility.

Preferably, the shower room is of a movable structure.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, when the shower room works, a large amount of hot water is sprayed from the shower nozzle, after the shower nozzle washes a body, shower wastewater at the temperature of 30-37 ℃ enters a first connecting pipeline 1 from a water discharge port in the shower room, a flow monitor is arranged on the first connecting pipeline 1, the shower wastewater flows into a second connecting pipeline 3, when a second temperature monitor 9 monitors that the temperature of the shower wastewater circulating pipeline is lower than a preset initial heating temperature, a first ball valve 11 is opened, so that the hot water which is heated from a water inlet outside the shower room by an electric heater and reaches the preset monitoring temperature of the temperature monitor is supplemented into the shower wastewater circulating pipeline, and the stability of the heating effect is ensured;

when the second temperature monitor 9 monitors that the water temperature of the shower waste water circulating pipeline is lower than the preset initial temperature for heating, the first ball valve 11 is closed.

When shower waste water with preset initial temperature flows into the serpentine coil 22 in the heating water pipe grid 2, the shower room is heated in a radiation heating mode, the heat-insulating layer 21 reduces heat dissipation loss outside the shower room, after the shower waste water flows out of the serpentine coil 22, part of the shower waste water enters the circulating pipeline again, and part of the shower waste water is discharged from an outer water discharge port of the shower room through the third connecting pipeline 4;

when the monitoring value of the first flow monitor 7 or the second flow monitor 10 is higher than the preset value, the second ball valve 12 increases the opening degree; when the monitoring value of the first flow monitor 7 or the second flow monitor 10 is lower than the preset value, the opening degree of the second ball valve 12 is reduced, so that the stability of the hot water flow in the shower waste water heating circulation pipeline and the smoothness of the water drainage in the shower room are ensured.

The micro intelligent analysis controller 6 intelligently analyzes the temperature and flow signals of the first flow monitor 7, the first temperature monitor 8, the second temperature monitor 9 and the second flow monitor 10, thereby controlling the opening degree of the first ball valve 11 and the second ball valve 12.

Referring to fig. 2, when the shower room works, a large amount of high-temperature water vapor condenses and releases heat on the high-thermal-conductivity condensation orifice plate surface 144 on the indoor side of the phase-change waste heat recovery ventilation wall plate 14, and the phase-change material in the phase-change material capsule body 143 absorbs heat; the low-temperature fresh air enters from the air inlet on the outdoor side and flows through the air duct 142, the phase-change material in the phase-change material capsule body 143 releases heat, the fresh air is heated in a dividing wall type heat transfer mode, and the fresh air is heated and then discharged from the air outlet into the shower room to supply the indoor fresh air.

In conclusion, the phase change waste heat recovery ventilation heating system for the shower room has the following beneficial effects:

the movable shower room is widely used in urban areas and rural areas, the snakelike coil pipe and the phase change waste heat recovery ventilation wall plate are embedded in the wall plates on the peripheral sides of the shower room, waste water and waste heat in the shower room are used for shower heating, and water vapor and waste heat are used for heating fresh air, so that waste water and water vapor waste heat are recovered and utilized;

the phase-change material capsule body is embedded in the ventilation wall plate, the heat storage/release characteristics of the phase-change material are fully utilized, the intermittent fresh air heating energy requirement of the intermittent work of the shower room is met, the temperature is used as a heat switch, the heat in the water vapor is efficiently stored for the fresh air heating of the whole shower room, and the energy consumption caused by the fresh air heating is greatly reduced;

meanwhile, the serpentine coil is embedded in the side wall plates of the shower room, and a wall radiation heating mode is adopted, so that the heating comfort is improved.

Based on the phase change energy storage technology and the radiation heating technology, the phase change waste heat recovery ventilation heating system for the shower room of the movable shower room fully meets the requirements of the shower room on fresh air volume and temperature comfort during intermittent work, and achieves the effects of energy conservation and comfortable ventilation heating in the shower room.

The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.