1. The utility model provides a water conservancy diversion awl for monomer roasting furnace, includes furnace body (7), its characterized in that: the furnace body (7) is internally provided with a furnace carriage body (1), a burning tank or a product (4) and a circulating fan body (5), a pouring material plane (2) is placed at the top of the furnace carriage body (1), a pouring material body (3) is placed at the top of the pouring material plane (2), a guide cone (8) is arranged at the top of the pouring material plane (2), the guide cone (8) is positioned right below the output end of the circulating fan body (5), the guide cone (8) is in a cone shape, the guide cone (8) is formed by combining a cone body and a guide plate, the diameter of the cone body is larger than 50 cm, and the height of the cone body is larger than 60 cm; the thickness of the guide plate is more than 2 mm, the height is more than 50 mm, and the total length is more than 50 cm.

2. The flow guide cone for the single roasting furnace as claimed in claim 1, wherein: the upper cone body and the guide plate of the guide cone (8) are both made of metal or other heat-resistant materials.

3. The flow guide cone for the single roasting furnace as claimed in claim 2, wherein: the guide plate on the guide cone (8) is connected with the cone by welding, riveting, clamping, bolts, integral pouring and the like.

4. The flow guide cone for the single roasting furnace as claimed in claim 3, wherein: the diversion cone (8) is arranged under the circulating fan body (5) in a placing or fixed installation mode.

5. The flow guide cone for the single roasting furnace as claimed in claim 4, wherein the flow guide cone comprises: the radian of the upper cone body of the diversion cone (8) is R800-1600.

6. The flow guide cone for the single roasting furnace as claimed in claim 5, wherein: the side surface of the upper cone body of the diversion cone (8) is a curve or a straight line.

7. The flow guide cone for the single roasting furnace as claimed in claim 6, wherein: the side edge of the guide plate on the guide cone (8) is a curve or a straight line.

8. The flow guide cone for the single roasting furnace as claimed in claim 7, wherein: the inner part of the upper cone of the diversion cone (8) can be hollow.

Background

The production of carbon products such as graphite electrodes, isostatic pressing graphite and the like needs to be roasted, raw products are sintered into carbon products at high temperature, namely roasted products, and a monomer type roasting furnace such as a vehicle bottom type furnace, a Japanese circular monomer furnace and the like has the characteristics of high temperature control precision, independent setting of temperature rise speed, small temperature difference of a thermal field, short roasting production period and the like compared with a traditional ring type furnace and the like.

The car bottom type furnace is internally provided with one or more circulating fans for forcibly circulating hot air in the furnace to achieve the purpose of reducing the temperature difference of a thermal field, the circulating fans are usually arranged in the furnace, products or burning pots are arranged around the lower part of the circulating fans, no products, burning pots or pier bricks are arranged under the circulating fans, a material pouring plane is formed for a blank furnace car with the size of fan blades of the circulating fans, when the circulating fans work, the hot air is forcibly pressed downwards by the fan blades from the upper part, is reflected by the material pouring plane of the furnace car under the circulating fans, and is scattered into the furnace along the pier bricks on the periphery of the material pouring plane, so that the heat is transferred to each part in the furnace.

In the prior art, hot air is directly and vertically blown to a furnace car, the highest temperature can reach 1100 ℃, the impact force is large, a casting material below a circulating fan is easy to crack and fall off, the service life of the hot air is obviously shorter than that of other casting materials which are not directly blown by the circulating fan, the reflection of the hot air in the vertical direction is obviously higher than that of the hot air in the horizontal direction, the hot air cannot be quickly diffused to the periphery to transfer heat to a product or a burning tank, certain temperature difference exists in each area in the furnace, the hot air cannot be quickly diffused when being gathered above the casting material, so that excessive heat is transferred to the casting material and the furnace car, a large amount of hot air is gathered below the circulating fan, the air pressure of the area is obviously higher than that of other positions in the furnace, the stable control of the furnace pressure in the roasting process is not facilitated, and the escape of volatile components of carbon products is greatly influenced by the furnace pressure, and the furnace pressure is slightly higher or greatly fluctuates, the product is easy to crack to form waste products.

Disclosure of Invention

The invention aims to provide a flow guide cone for a single roasting furnace, which is used for accelerating the circulation efficiency of hot air in a vehicle bottom type furnace and reducing the temperature difference of a thermal field in the furnace.

In order to achieve the purpose, the invention provides the following technical scheme: a diversion cone for a single roasting furnace comprises a furnace body, wherein a furnace carriage body, a burning tank or a product and a circulating fan body are arranged inside the furnace body, a pouring material plane is placed at the top of the furnace carriage body, a pouring material body is placed at the top of the pouring material plane, the diversion cone is arranged at the top of the pouring material plane and is positioned right below the output end of the circulating fan body, the diversion cone is in a cone shape, the diversion cone is formed by combining a cone body and a diversion plate, the diameter of the cone body is larger than 50 cm, and the height of the cone body is larger than 60 cm; the thickness of the guide plate is more than 2 mm, the height is more than 50 mm, and the total length is more than 50 cm.

Preferably, the upper cone of the guide cone and the guide plate are both made of metal or other heat-resistant materials.

Preferably, the guide plate on the guide cone is connected with the cone by welding, riveting, clamping, bolts, integral pouring and the like.

Preferably, the mode that the water conservancy diversion awl adopted to place or fixed mounting sets up under circulating fan body 5, and the circulating efficiency of thermal current promotes by a wide margin, and can not concentrate the gathering in a certain region, and consequently the atmospheric pressure of each position in the furnace body can be more even, stable to reduce the influence of furnace pressure fluctuation to product calcination quality.

Preferably, the radian of the upper cone of the guide cone is R800-1600.

Preferably, the side of the upper cone body of the guide cone is a curve or a straight line, heat can be better transmitted to each position in the furnace body, and the temperature difference of a thermal field in each area in the furnace body can be effectively reduced, so that the roasting qualification rate is improved, the circulation efficiency is high, the temperature difference of the thermal field is small, and the roasting quality is improved.

Preferably, the side edge of the guide plate on the guide cone is a curve or a straight line, hot air does not directly impact the pouring material body any more, and the service life of the pouring material is prolonged.

Preferably, the inner part of the upper cone of the guide cone can be hollow.

Compared with the prior art, the invention has the beneficial effects that:

(1) this monomer is water conservancy diversion awl for roasting furnace, because the effect of water conservancy diversion awl, hot-air no longer directly strikes pours the material body, consequently the life of pouring the material body under the circulating fan body will prolong a lot, possible other no heat current with the stove car directly blows the same life in position, the time that the thermal current stopped under the circulating fan body shortens by a wide margin, the circulation efficiency improves, each position in the heat can be better transmission to the furnace body, can effectively reduce the heat field difference in temperature in each region in the furnace body, thereby improve the qualification rate of calcination, the circulation efficiency is high, the heat field difference in temperature is little, improve the calcination quality.

(2) This monomer is water conservancy diversion awl for roaster, guide plate through different angles, can play the effect of specific direction water conservancy diversion, open or to the more places of heat demand with the thermal current toward the space, the hot-air trend of control, with the difference in temperature that reduces the thermal field, the effect of cone in addition, the thermal current flows and accelerates, no longer gather in pouring material body top, calorific loss is little, can show improvement energy utilization, the circulating efficiency of thermal current promotes by a wide margin, and can not concentrate the gathering in a certain region, therefore the atmospheric pressure of each position in the furnace body can be more even, and is stable, thereby reduce the influence of furnace pressure fluctuation to product roasting quality.

Drawings

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

FIG. 2 is a top view of the cone of the present invention;

FIG. 3 is a top view of a deflector cone with eight linear deflectors according to the present invention;

FIG. 4 is a top view of a deflector cone with eight curved deflectors of the present invention;

FIG. 5 is a top view of a deflector cone of the linear and curvilinear deflector combination of the present invention;

FIG. 6 is a front view of a baffle of the present invention;

FIG. 7 is a front view of the curvilinear cone of the present invention;

FIG. 8 is a front view of a linear deflector and cone combined deflector cone of the present invention;

fig. 9 is a front view of a curved baffle and curved cone combined baffle cone of the present invention.

In the figure: the furnace comprises a furnace car body 1, a casting plane 2, a casting body 3, a burning tank 4 or a product 4, a circulating fan body 5, a heat flow 6, a furnace body 7 and a diversion cone 8.

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The first embodiment is as follows:

referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a water conservancy diversion awl for monomer roasting furnace, which comprises a furnace body 7, the inside of furnace body 7 is provided with stove car body 1, burn jar or goods 4 and circulating fan body 5, pouring material plane 2 has been placed at the top of stove car body 1, pouring material body 3 has been placed at the top of pouring material plane 2, the top of pouring material plane 2 is provided with water conservancy diversion awl 8, water conservancy diversion awl 8 is located circulating fan body 5 output under, water conservancy diversion awl 8 appearance is the cone, water conservancy diversion awl 8 is formed by cone and guide plate combination, water conservancy diversion awl 8 adopts the mode of placing or fixed mounting to set up under circulating fan body 5.

Furthermore, the diameter of the cone of the diversion cone 8 is 60 cm, the height is 100 cm, and the radian R1000 of the cone surface is made of cast iron; the guide plate thickness is 5 millimeters, adopts 304 stainless steel to make, totally 8, evenly imbeds the cone side through the draw-in groove.

Example two:

referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a water conservancy diversion awl for monomer roasting furnace, which comprises a furnace body 7, the inside of furnace body 7 is provided with stove car body 1, burn jar or goods 4 and circulating fan body 5, pouring material plane 2 has been placed at the top of stove car body 1, pouring material body 3 has been placed at the top of pouring material plane 2, the top of pouring material plane 2 is provided with water conservancy diversion awl 8, water conservancy diversion awl 8 is located circulating fan body 5 output under, water conservancy diversion awl 8 appearance is the cone, water conservancy diversion awl 8 is formed by cone and guide plate combination, water conservancy diversion awl 8 adopts the mode of placing or fixed mounting to set up under circulating fan body 5.

Furthermore, the diameter of the cone of the diversion trench is 100 cm, the height of the cone is 120 cm, and the radian R1200 of the conical surface is made of a stainless steel plate; the thickness of the flow guide plate is 8mm, the flow guide plate is made of stainless steel plates, and the total number of the flow guide plate is 12, and the flow guide plate is connected with the cone body in a welding mode; the guide plate and the cone are inclined by 5 degrees.

Example three:

referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a water conservancy diversion awl for monomer roasting furnace, which comprises a furnace body 7, the inside of furnace body 7 is provided with stove car body 1, burn jar or goods 4 and circulating fan body 5, pouring material plane 2 has been placed at the top of stove car body 1, pouring material body 3 has been placed at the top of pouring material plane 2, the top of pouring material plane 2 is provided with water conservancy diversion awl 8, water conservancy diversion awl 8 is located circulating fan body 5 output under, water conservancy diversion awl 8 appearance is the cone, water conservancy diversion awl 8 is formed by cone and guide plate combination, water conservancy diversion awl 8 adopts the mode of placing or fixed mounting to set up under circulating fan body 5.

Furthermore, the diameter of the cone of the diversion trench is 120 cm, the height of the cone is 140 cm, and the radian R800 of the conical surface is made of a stainless steel plate; the thickness of the guide plate is 3mm, the guide plate is made of 304 stainless steel plates, and 4 guide plates are connected with the cone in a welding mode; the guide plate and the cone are inclined at an angle of 15 degrees.

The three sets of the guide cones in the above embodiments 1 to 3 are sent into the furnace car and the environment in the furnace is detected, and the detection method is as follows:

the diversion cone is placed under the circulating fan, four groups of high-temperature pressure sensors and four groups of temperature sensors are arranged in the furnace car, the positions of the high-temperature pressure sensors and the positions of the temperature sensors are consistent, the four groups of high-temperature pressure sensors and the four groups of temperature sensors are respectively positioned in the front, back, left and right directions of the diversion cone, the detection operation is started,

(1) moving the high-temperature pressure sensor and the temperature sensor to a position which is a quarter of the total length of the furnace car and away from the diversion cone, and starting roasting operation, wherein the high-temperature pressure sensor and the temperature sensor detect the air pressure and the temperature in the furnace car;

(2) after data are recorded, the temperature sensor is moved to a position at which the distance from the temperature sensor to the diversion cone is one third of the total length of the furnace car, and detection and recording are continued;

(3) moving the temperature sensor to a position at which the distance from the temperature sensor to the guide cone is half of the total length of the furnace car, and then detecting and recording;

(4) and finally, taking the guide cone out of the furnace car, repeating the steps for continuously detecting and recording for three times, wherein the detection result is shown in the following table:

according to the detection result, after the diversion cones in the first, second and third embodiments are used in the roasting engineering, the furnace pressure fluctuation is less than 0.15Kpa, while the furnace pressure fluctuation in the prior art is more than 0.4 Kpa; the temperature difference of the thermal field in the furnace body is less than 5 ℃, and the temperature difference of the thermal field in the furnace body in the prior art is more than 15 ℃, which shows that the guide cone provided by the invention has an important effect on the roasting quality of the roasting furnace.

The working principle is as follows: the circulating fan body 5 blows heat flow 6 towards the right lower side, after the high-speed heat flow 6 meets the guide cone 8, the flow direction of the heat flow 6 is changed under the action of the cone and the guide plate on the guide cone 8, and the vertical downward movement is changed into the horizontal movement, so that the purpose of guiding is achieved.

In the prior art, hot air is directly and vertically blown to a furnace car, the highest temperature can reach 1100 ℃, the impact force is large, a casting material below a circulating fan is easy to crack and fall off, the service life of the hot air is obviously shorter than that of other casting materials which are not directly blown by the circulating fan, the reflection of the hot air in the vertical direction is obviously higher than that of the hot air in the horizontal direction, the hot air cannot be quickly diffused to the periphery to transfer heat to a product or a burning tank, certain temperature difference exists in each area in the furnace, the hot air cannot be quickly diffused when being gathered above the casting material, so that excessive heat is transferred to the casting material and the furnace car, a large amount of hot air is gathered below the circulating fan, the air pressure of the area is obviously higher than that of other positions in the furnace, the stable control of the furnace pressure in the roasting process is not facilitated, and the escape of volatile components of carbon products is greatly influenced by the furnace pressure, and the furnace pressure is slightly higher or greatly fluctuates, the product is easy to crack to form waste products, the diversion cone for the single roasting furnace is characterized in that the hot air does not directly impact the pouring material body 3 under the action of the diversion cone 8, so that the service life of the pouring material body 3 under the circulating fan body 5 is prolonged greatly, the service life is as long as that of other positions where no heat flow 6 is directly blown by a furnace car, the residence time of the heat flow 6 under the circulating fan body 5 is greatly shortened, the circulating efficiency is improved, heat can be better transferred to each position in the furnace body 7, the temperature difference of a heat field in each area in the furnace body 7 can be effectively reduced, the roasting qualification rate is improved, the circulating efficiency is high, the temperature difference of the heat field is small, the roasting quality is improved, the diversion effect of diversion in a specific direction can be achieved through diversion plates with different angles, the heat flow 6 is widened towards a space or more places with more heat demands, and the trend of the hot air is controlled, with the difference in temperature that reduces the thermal field, the effect of cone in addition, 6 flow of thermal current are accelerated, no longer gather in pouring 3 tops of material body, and calorific loss is little, can show improvement energy utilization, and the circulation efficiency of thermal current 6 promotes by a wide margin, and can not concentrate the gathering in a certain region, and consequently the atmospheric pressure of each position can be more even, stable in the furnace body 7, and then provides the guarantee for product calcination quality.