1. Granary inside wall low temperature circulation heat preservation device that insulates against heat has granary (1), and there is cang ding (2) on the upper portion of granary, covers one deck film (3) on granary upper portion, at the special air conditioner (4) of the first storage of cang ding (2) outer wall, and the special air conditioner of first storage communicates with each other with the cang ding is inside, its characterized in that: the grain bin is characterized in that a wall body of the grain bin (1) is provided with an air inlet (5) and an air outlet (6), the outer wall of the grain bin is provided with a second special air conditioner for storage (7), an outlet of the second special air conditioner for storage is connected with an upper circulating pipeline (8), the other end of the upper circulating pipeline is connected with the air inlet (5), an inlet of the second special air conditioner for storage is connected with a lower circulating pipeline (9), the other end of the lower circulating pipeline is connected with the air outlet (6), the inner wall of the grain bin (1) is provided with a PS extrusion molding insulation board (10), one side of the PS extrusion molding insulation board is fixed with the inner wall of the wall body of the grain bin, the other side of the PS extrusion molding insulation board is provided with more than two vertical ventilation branch grooves (11), the outer wall of the other side of the PS extrusion molding insulation board is covered with a layer of polyurethane insulation board (12), the upper end of each ventilation branch groove (11, the air outlet header pipe is communicated with the air outlet (6).

2. The granary inner side wall low-temperature circulating heat insulation device according to claim 1, wherein: the outer wall of the polyurethane heat-insulation board (12) is covered with a layer of aluminum plate (15).

3. The granary inner side wall low-temperature circulating heat insulation device according to claim 1, wherein: the cross section of the ventilation branch groove (11) is rectangular, circular arc or trapezoidal.

4. The granary inner side wall low-temperature circulating heat insulation device according to claim 1, wherein: an air inlet concave cavity (16) is formed in the air inlet header pipe (13), and an air outlet concave cavity (17) is formed in the air outlet header pipe (14).

5. The granary inner side wall low-temperature circulating heat insulation device according to claim 1, wherein: the number of the air outlets (6) is two, and the number of the corresponding lower circulating pipelines (9) is two.

Background

The granary is mainly used for storing grains, and when the grains are heated, the grains are easy to grow insects and deteriorate, so that the constant temperature in the granary needs to be kept. The existing mode is that a polyurethane insulation board or a PEF (polyethylene-ethylene-propylene-diene monomer) foaming insulation board is covered on the inner wall of a granary, the insulation board plays roles of heat insulation and heat preservation, but in a high-temperature environment in summer, sunlight irradiates on the wall of the granary, a certain temperature is still conducted into the granary, the temperature inside the granary rises, the heat insulation and heat preservation effects are poor, so that a plurality of special storage air conditioners can be arranged outside, the air outlets of the special storage air conditioners are communicated with the inside of the granary, the inside of the granary reaches a set temperature through cold air blown out by the special storage air conditioners, but the granary is huge in volume, the special storage air conditioners are adopted to cool the whole granary, the energy consumption is very high, the storage cost is improved, the cooling effect of the blown cold air on the periphery of the granary is poor, and after the outer wall of the.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the granary inner wall low-temperature circulating heat insulation device which can circulate cold air in the heat insulation layer on the inner wall of the granary, avoid local temperature rise caused by direct solar radiation and has good heat insulation and preservation effects.

The technical scheme of the low-temperature circulating heat-insulating device for the inner side wall of the granary is as follows: the granary is provided with a granary top, a thin film is covered on the granary top, a first air conditioner special for storage is arranged on the outer wall of the granary top and is communicated with the inside of the granary top, an air inlet and an air outlet are formed in the wall body of the granary, a second air conditioner special for storage is arranged on the outer wall of the granary, an outlet of the second air conditioner special for storage is connected with an upper circulating pipeline, the other end of the upper circulating pipeline is connected with an air inlet, an inlet of the second air conditioner special for storage is connected with a lower circulating pipeline, the other end of the lower circulating pipeline is connected with the air outlet, a PS extrusion molding insulation board is arranged on the inner wall of the granary, one side of the PS extrusion molding insulation board is fixed with the inner wall of the granary, more than two vertical ventilation branch grooves are formed on the other side of the PS extrusion molding insulation board, a layer of polyurethane insulation board is covered on the outer wall of the other side of the PS extrusion molding insulation board, an air inlet header pipe is connected with the upper end of the ventilation branch grooves, and the air inlet header pipe is communicated with the air inlet, the lower end of the ventilation branch groove is connected with a gas outlet header pipe which is communicated with the gas outlet.

The invention discloses a low-temperature circulating heat insulation device for the inner side wall of a granary, which is mainly characterized in that a second storage special air conditioner (the specific structure of the storage special air conditioner is the prior art) is respectively arranged on the outer wall of each wall of the granary, the second storage special air conditioner is connected with an upper circulating pipeline and a lower circulating pipeline, an air inlet and an air outlet are arranged on the wall surface, the upper circulating pipeline is connected with the air inlet, the lower circulating pipeline is connected with the air outlet, a PS extrusion molding heat insulation board is arranged on the inner wall of the granary, the thickness of the PS extrusion molding heat insulation board is 60-100 mm, the height and the length of the PS extrusion molding heat insulation board are determined according to the size of the granary, a plurality of vertical ventilation branch grooves are arranged on the PS extrusion molding heat insulation board, the groove depth of each ventilation branch groove is 40-60 mm, a layer of polyurethane is covered on the outer wall of each heat insulation board, the ventilation branch grooves are communicated up and down, the upper openings of the ventilation branch grooves are connected with an air inlet main pipe which is communicated with the air inlet, the lower port of the ventilation branch groove is connected with a gas outlet header pipe which is communicated with the gas outlet. When the external temperature is higher, the first and second special air conditioners for storage are started, the first special air conditioner for storage blows air towards the interior of the warehouse top to keep the warehouse top at a constant temperature, the cold air blown out by the second special air conditioner for storage enters the air inlet header pipe through the upper circulating pipeline and the air inlet, the cold air is dispersed to each ventilating branch groove through the air inlet header pipe, then is collected to the air outlet header pipe from the bottom of the ventilating branch groove, finally returns to the second special air conditioner for storage through the air outlet header pipe and the lower circulating pipeline, and is circulated repeatedly all the time, so that the area is kept at a constant temperature. This scheme granary inside wall low temperature circulation heat preservation device that insulates against heat, the air conditioning that blows off the special air conditioner of storage passes through last circulation pipeline, the air inlet, the house steward, the branch groove of ventilating, the house steward of giving vent to anger, the air outlet, lower circulation pipeline, get back to the special air conditioner of storage at last, realize the circulation of air conditioning, utilize this air conditioning circulation to cool down the wall body inner wall of granary, make this position keep the constant temperature between 13 ℃ -15 ℃ always, avoid leading to the wall body inner wall to heat up because of receiving the sunlight and penetrating directly on the wall body, thereby guarantee that the grain of storage can not deteriorate, the live insect, and only carry out the air conditioning circulation in the wall body position, for blowing in the air conditioning to whole granary inside, its energy consumption is lower, the storage cost is reduced.

According to the low-temperature circulating heat-insulation and heat-preservation device for the inner side wall of the granary, the outer wall of the polyurethane heat-preservation plate is covered with a layer of aluminum plate. The aluminum plate is arranged, so that the heat preservation capability is further improved.

The cross section of the ventilating branch groove is rectangular, circular arc or trapezoidal.

The air inlet main pipe is provided with an air inlet concave cavity, and the air outlet main pipe is provided with an air outlet concave cavity.

The number of the air outlets is two, and the number of the corresponding lower circulating pipelines is two. The two lower circulating pipelines are converged to a main pipe and then connected to a second storage special air conditioner through the main pipe, and return air is more balanced through the two lower circulating pipelines.

Drawings

FIG. 1 is a schematic structural view of the low-temperature circulating heat-insulating device for the inner side wall of the granary of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic side view of the mating of the inlet manifold, PS extruded insulation board and outlet manifold;

FIG. 4 is a perspective view of the PS extruded insulation board with circular arc-shaped ventilation supporting grooves matched with the polyurethane insulation board;

FIG. 5 is a perspective view of the PS extruded insulation board with rectangular vent grooves formed thereon and a polyurethane insulation board in a matching state;

FIG. 6 is a three-dimensional schematic view of the PS extruded insulation board with trapezoidal vent grooves and a polyurethane insulation board in a matching state.

Detailed Description

The invention relates to a low-temperature circulating heat-insulating device for the inner side wall of a granary, as shown in figures 1-6, the low-temperature circulating heat-insulating device comprises a granary 1, the upper part of the granary is provided with a granary top 2, the upper part of the granary is covered with a layer of film 3, a first storage special air conditioner 4 is arranged on the outer wall of the granary top 2, the first storage special air conditioner is communicated with the inside of the granary top, the wall body of the granary 1 is provided with an air inlet 5 and an air outlet 6, the outer wall of the granary is provided with a second storage special air conditioner 7, the outlet of the second storage special air conditioner is connected with an upper circulating pipeline 8, the other end of the upper circulating pipeline is connected with the air inlet 5, the inlet of the second storage special air conditioner is connected with a lower circulating pipeline 9, the other end of the lower circulating pipeline is connected with the air outlet 6, the inner wall of the granary 1 is provided with a PS plastic-extruded heat-insulating board 10, one side of the PS plastic-extruded heat-insulating board is fixed with the inner wall body of the granary, the other side of the PS plastic-extruded heat-insulating board is provided with more than two vertical ventilating branch grooves 11, the outer wall of the other side of the PS extrusion molding insulation board is covered with a layer of polyurethane insulation board 12, the upper end of the ventilation branch groove 11 is connected with an air inlet header pipe 13, the air inlet header pipe is communicated with the air inlet 5, the lower end of the ventilation branch groove 11 is connected with an air outlet header pipe 14, and the air outlet header pipe is communicated with the air outlet 6. The outer wall of each wall of a granary 1 is respectively provided with a second special air conditioner 7 for storage (the concrete structure of the special air conditioner for storage is the prior art), the second special air conditioner for storage is connected with an upper circulation pipeline 8 and a lower circulation pipeline 9, the wall surface is provided with an air inlet 5 and an air outlet 6, the upper circulation pipeline is connected with the air inlet, the lower circulation pipeline is connected with the air outlet, the inner wall of the wall body of the granary is provided with a PS extrusion molding insulation board 10, the thickness of the PS extrusion molding insulation board is 60-100 mm, the height and the length of the PS extrusion molding insulation board are determined according to the size of the granary, the PS extrusion molding insulation board is provided with a plurality of vertical ventilating branch grooves 11, the groove depth of each ventilating branch groove is 40-60 mm, the outer wall of each ventilating branch groove is covered with a layer of polyurethane insulation board 12, the ventilating branch grooves are communicated up and down, the upper openings of the ventilating branch grooves are connected with an air inlet header pipe 13, the air header pipe is communicated with the air inlet 5, the lower openings of the ventilating branch grooves 11 are connected with an air outlet header pipe 14, the air outlet header pipe is communicated with the air outlet 6. When the outside temperature is high, the first and second air conditioners 4 and 7 special for storage are started, the first air conditioner special for storage blows air towards the interior of the warehouse top 2 to keep the warehouse top at a constant temperature, cold air blown out by the second air conditioner special for storage enters the air inlet header 13 through the upper circulating pipeline 8 and the air inlet 5, then is dispersed into the air inlet branch grooves 11 through the air inlet header, is collected to the air outlet header 14 from the bottoms of the air inlet branch grooves, finally returns to the second air conditioner special for storage 7 through the air outlet header and the lower circulating pipeline 9, and is circulated repeatedly all the time, so that the area is kept at a constant temperature. This scheme granary inside wall low temperature circulation heat preservation device that insulates against heat, the air conditioning that blows off storage special air conditioner passes through last circulation pipeline 8, the air inlet 5, inlet manifold 13, branch groove 11 of ventilating, outlet manifold 14, the gas outlet 6, lower circulation pipeline 9, get back to storage special air conditioner at last, realize the circulation of air conditioning, utilize this air conditioning circulation to cool down the wall body inner wall of granary, make this position keep the constant temperature between 13 ℃ to 15 ℃ always, avoid leading to the wall body inner wall to heat up because of receiving the sunlight and penetrate directly on the wall body, thereby guarantee that the grain of storage can not deteriorate, the live insect, and only carry out the air conditioning circulation in the wall body position, for blowing in the air conditioning to whole storage granary inside, its energy consumption is lower, the cost of storing is reduced. The outer wall of the polyurethane insulation board 12 is covered with a layer of aluminum plate 15. The aluminum plate 15 is provided, and the heat preservation capability is further improved. The cross section of the vent branch groove 11 is rectangular, circular arc or trapezoidal. The air inlet manifold 13 is provided with an air inlet concave cavity 16, and the air outlet manifold 14 is provided with an air outlet concave cavity 17. Two air outlets 6 are provided, and two corresponding lower circulating pipelines 9 are provided. The two lower circulating pipelines 9 are collected to a main pipe and then connected to the second storage special air conditioner 7 through the main pipe, and return air is more balanced through the two lower circulating pipelines.