CN215571673U - Energy-saving environment-friendly drying room - Google Patents
Energy-saving environment-friendly drying room Download PDFInfo
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- CN215571673U CN215571673U CN202121827623.8U CN202121827623U CN215571673U CN 215571673 U CN215571673 U CN 215571673U CN 202121827623 U CN202121827623 U CN 202121827623U CN 215571673 U CN215571673 U CN 215571673U
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Abstract
The utility model belongs to the technical field of drying of food, crops and traditional Chinese medicinal materials, and particularly relates to an energy-saving and environment-friendly drying room which comprises a drying chamber and heating chambers, wherein the drying chamber is positioned on two sides of the heating chamber, and the heating chambers are communicated with the drying chamber; and a circulating fan is arranged on one side of the drying chamber, which is far away from the heating chamber, the front side of the circulating fan faces the heating chamber, and the back side of the circulating fan is communicated with the heating chamber through a circulating channel at the top of the drying chamber. The heating device is arranged in the drying room in the middle, heat can be supplied in two modes of air heat conduction and heat radiation, heat in the drying room is uniformly dispersed, drying time is kept consistent, drying time of each batch is shortened, and drying efficiency is improved. Meanwhile, the utility model uses natural gas and petroleum gas to replace coal, thereby saving energy and protecting environment, improving the utilization rate of heat energy, reducing fuel cost and carbon emission, saving energy consumption and manpower, and solving the problem of pollution of the drying room to the surrounding environment.
Description
Technical Field
The utility model belongs to the technical field of drying of food, crops and traditional Chinese medicinal materials, and particularly relates to an energy-saving and environment-friendly drying room.
Background
At present, crops are dried, or the crops are exposed to the sun manually or are dried in a drying room. In the former case, the heat energy is directly radiated to the crops, so the crops are heated unevenly, the dust pollution is large, and the crop dehydration time is longer. For the requirements of drying in a larger scale or in southern areas of China with heavy rainy weather, drying rooms are mainly used. The drying room is widely used in various fields including food, agricultural products, chemical products, traditional Chinese medicinal materials and the like, and has the advantages of low energy consumption, low environmental pollution, wide application range and the like. The drying principle is that hot air is sent into a drying room through a heating device to dry and dehumidify products in the drying room, the dried hot air becomes moist due to the fact that the moisture of the products is absorbed, and the moisture is directly discharged out of the drying room.
The existing drying room has the problems of uneven heating, incapability of circulating convection of heat, large heat loss and low working efficiency. And the combustion furnace is used for providing heat for the drying room, and the exhausted flue gas takes away a large amount of heat and exhausts harmful smoke dust, so that the requirements of energy conservation and environmental protection cannot be met. Energy conservation and environmental protection are the most concerned links after energy shortage and environmental problems are taken into consideration, but the energy conservation and environmental protection are not perfectly solved in the technical field of drying rooms at present. For farmers, growers, workers and other practitioners, the key point of attention is that investment and operation cost of drying equipment can be reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model adopts the following technical scheme: an energy-saving and environment-friendly drying room comprises a drying chamber and heating chambers, wherein the drying chamber is positioned on two sides of the heating chamber, and the heating chambers are communicated with the drying chamber; a circulating fan is arranged on one side of the drying chamber, which is far away from the heating chamber, the front side of the circulating fan faces the heating chamber, and the back side of the circulating fan is communicated with the heating chamber through a circulating channel at the top of the drying chamber; the heating chamber comprises a combustor and a tubular heat exchange device communicated with the combustor.
The drying chamber comprises an upper layer compartment and a lower layer compartment which are separated by a horizontal partition plate; the lower compartment is communicated with the heating chamber through the punching plate, and the upper compartment is communicated with the heating chamber; circulating fan installs and keeps away from the board one side of punching a hole in lower floor's compartment, and circulating fan's front orientation board direction of punching a hole, circulating fan top the horizontal baffle is seted up the circulation wind gap, the circulation wind gap intercommunication upper compartment.
Further, the burner is arranged on the outer wall of the heating chamber, and a combustion cylinder of the burner is communicated with an air inlet pipeline of the tubular heat exchange device; two or more air inlets are formed in one end of the air inlet pipeline, and a heat insulation plate is arranged between each air inlet and the combustor; the aperture of the upper half part of the punching plate is smaller than that of the lower half part.
Furthermore, the tubular heat exchange device comprises a first metal plate, a second metal plate and a matrix type parallel metal tube, wherein the first metal plate and the second metal plate are arranged in parallel relatively, the matrix type parallel metal tube penetrates through the first metal plate and the second metal plate, and a snake-shaped pipeline is formed by covering the end part of the metal tube with a metal cover arranged on one side of the metal plate; the end parts of the matrix type parallel metal pipes are distributed on the lower half part of the first metal plate, and the other end of the air inlet pipeline is distributed on the upper half part of the first metal plate; the metal cover covering the first metal plate is a first metal cover, the metal cover covering the second metal plate is a second metal cover, the second metal cover is communicated with an air inlet of the centrifugal fan through a pipeline, an air outlet of the centrifugal fan is communicated with the heating chamber, and a motor of the centrifugal fan is communicated with the outside through an air inlet pipeline.
Furthermore, the drying room also comprises an air supply chamber, the drying room also comprises a moisture exhaust channel which penetrates through the horizontal partition plate and the top of the drying room, and an exhaust fan is arranged in the moisture exhaust channel; at least two circulating fans, a moisture exhaust channel and corresponding exhaust fans are arranged; a thermocouple and a hygrometer are also arranged on the bracket for mounting the circulating fan, and the thermocouple and the hygrometer are electrically connected with a temperature and humidity control device arranged outside the drying room through leads; the circulating fan, the centrifugal fan and the exhaust fan are electrically connected with a power supply outside the drying room and the temperature and humidity control device through wires; the combustor is communicated with a gas storage tank in the gas supply chamber through a gas circuit, and the gas circuit is communicated with a vaporizer, a pressure gauge, a filter and a flow valve.
The matrix type parallel metal pipe and the air inlet pipeline are metal pipes with oxidation resistance and high temperature resistance.
The utility model has the following beneficial effects:
(1) the drying chamber is positioned on two sides of the heating chamber, the heating chamber is communicated with the drying chamber, the side, away from the heating chamber, of the drying chamber is provided with the circulating fan, the front face of the circulating fan faces the direction of the heating chamber, and the heating device is centrally arranged in the drying chamber and can provide heat in two modes of air heat conduction and heat radiation;
(2) according to the utility model, heat generated by the tubular heat exchange device is circulated to the top of the heating chamber through the fan, then is respectively conveyed to two ends of the drying chamber, finally passes through the drying chamber and enters the heating chamber again, and meanwhile, the heating device carries out heat radiation from the middle to two sides, so that the heat in the drying chamber is uniformly dispersed, the drying time is kept consistent, the drying time of each batch is shortened, and the drying efficiency is improved.
(3) The back of the circulating fan is communicated with the heating chamber through the circulating channel at the top of the drying chamber, hot air in the heating chamber is introduced into the drying chamber through the circulating channel, and the circulating channel of the upper compartment of the drying chamber forms a gas heat-insulating layer, so that heat energy is fully utilized, and the overflow loss of heat is reduced;
(4) the heating chamber comprises a burner and a tubular heat exchange device communicated with the burner, high-temperature hot gas enters the tubular heat exchange device, the air temperature at the outlet end of the tubular heat exchange device is obviously reduced after the high-temperature hot gas is subjected to sufficient heat exchange, and the air temperature returning to the drying chamber through the circulating channel is more suitable for drying food, grains and medicinal materials, so that the utilization efficiency is improved;
(5) the lower compartment is connected with the heating chamber through the punching plate, the punching plate can prevent a circulating fan from blowing lighter objects to be dried to high-temperature matrix type parallel metal pipes so as to induce fire, and on the other hand, the punching plate adopts a layout mode that the aperture of the upper half part is smaller than that of the lower half part, so that the difference of airflow velocity before entering the punching plate can be balanced, and the consistency of the drying time of the objects to be dried at the top layer and the bottom layer of the drying rack close to the punching plate is facilitated;
(6) the utility model uses natural gas and petroleum gas to replace coal, thereby saving energy, protecting environment, improving the utilization rate of heat energy, reducing fuel cost, saving energy consumption and solving the problem of pollution of the drying room to the surrounding environment;
(7) the utility model ensures that the temperature and the air speed of all parts of the drying chamber are consistent, thereby ensuring the consistency of the drying time of the objects to be dried, avoiding the situation that the objects to be dried are required to be manually dumped due to inconsistent drying degrees and saving manpower; meanwhile, due to the improvement of the drying efficiency, the whole drying time is reduced to 40% of that of a conventional drying room, and the loss of appearance and drug effect caused by long-time high-temperature baking of food and medicinal materials is avoided.
Drawings
The utility model is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic view of the structure of a drying room according to the present invention;
FIG. 2 is a schematic view showing the construction of a drying room (including an air supply chamber) according to the present invention;
FIG. 3 is a schematic view of the airflow circulation path of the present invention;
FIG. 4 is a schematic structural diagram of a tubular heat exchange device according to the present invention;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic view of the structure of the gas supply apparatus according to the present invention;
FIG. 7 is a schematic view of a heating chamber according to the present invention;
FIG. 8 is a schematic view showing the construction of a burner according to the present invention;
FIG. 9 is a schematic structural view of a drying rack according to the present invention;
1-a drying chamber; 101-a horizontal partition; 102-upper compartment; 103-lower compartment; 104-a circulating fan; 105-a punching plate; 2-a heating chamber; 201-a combustor; 202-a combustion cylinder; 203-an air inlet duct; 204 a-a first metal cap; 204 b-a second metal cap; 205-tubular heat exchange means; 206-air inlet line; 207-centrifugal fan; 208-a motor; 209-a first metal plate; 210-a second metal plate; 211-matrix parallel metal tubes; 212-inlet end of tubular heat exchange device; 213-outlet end of the tubular heat exchange device; 214-a heat exchange unit holder; 215-an insulating plate; 216-an air inlet; 3-air supply chamber; 301-gas storage tank; 302-metal hose; 303-a vaporizer; 304-pressure gauge; 305-a pressure reducing valve; 306-a filter; 307-flow valves; 308-flow meter; 401-moisture removal channel; 402-an exhaust fan; 403-temperature and humidity control device; 404-drying rack.
Detailed Description
The utility model is further illustrated by the following figures and examples:
the energy-saving environment-friendly drying room shown in fig. 1, 2 and 7 comprises a drying chamber 1 and a heating chamber 2, wherein the drying chamber 1 is positioned at two sides of the heating chamber 2, and the drying chamber 1 comprises an upper compartment 102 and a lower compartment 103 which are separated by a horizontal partition plate 101; the lower compartment 103 is communicated with the heating chamber 2 through a punching plate 105, and the upper compartment 102 is communicated with the heating chamber 2; the circulating fan 104 is installed on one side, far away from the punching plate 105, of the lower-layer compartment 103, the front face of the circulating fan 104 faces the direction of the punching plate 105, a circulating air opening is formed in the horizontal partition plate 101 above the circulating fan 104, and the circulating air opening is communicated with the upper-layer compartment 102. The aperture of the upper half of the punching plate 105 is smaller than the aperture of the lower half.
As shown in fig. 3, the heat generated by the tubular heat exchanger 205 of the present invention is first circulated to the top of the heating chamber 2 by the circulating fan 104, then is respectively transferred to the circulating fans 104 at both ends of the drying chamber, and finally passes through the drying chamber 1 to enter the heating chamber 2 again.
As shown in fig. 4, the tubular heat exchanger 205 includes a first metal plate 209 and a second metal plate 210 arranged in parallel, and a matrix parallel metal tube 211 penetrating the first metal plate 209 and the second metal plate 210, and a serpentine channel is formed by covering the ends of the matrix parallel metal tube 211 with a metal cover arranged on one side of the metal plates.
The ends of the matrix type parallel metal tubes 211 are all distributed on the lower half part of the first metal plate 209, and the other end of the air inlet duct 203 is distributed on the upper half part of the first metal plate 209; the metal cover covering the first metal plate 209 is a first metal cover 204a, the metal cover covering the second metal plate 210 is a second metal cover 204b, the second metal cover 204b is communicated with an air inlet of the centrifugal fan 207 through a pipeline, an air outlet of the centrifugal fan 207, namely an outlet end 213 of the tubular heat exchange device, is communicated with the heating chamber 2, and a motor 208 of the centrifugal fan 207 is communicated with the outside through an air inlet pipeline 206. The tube heat exchanger 205 is mounted on a heat exchanger support 214.
As shown in fig. 8, the heating chamber 2 includes a burner 201 and a tubular heat exchanger 205 communicating with the burner 201. The combustor 201 is arranged on the outer wall of the heating chamber 2, and a combustion cylinder 202 of the combustor 201 is communicated with an inlet end 212 of the tubular heat exchange device; two or more air inlets 216 are formed in one end of the air inlet pipeline 203, and an insulating plate 215 is arranged between each air inlet 216 and the combustor 201;
as shown in fig. 2 and 6, the drying room further comprises an air supply chamber 3, and the burner 201 is communicated with an air supply device in the air supply chamber 3 through a metal hose 302. The gas supply device comprises a gas storage tank 301, a carburetor 303, a pressure gauge 304, a pressure reducing valve 305, a filter 306, a flow valve 307 and a flow meter 308.
As shown in fig. 1 and 2, the drying chamber 1 further includes a moisture exhaust passage 401 penetrating through the horizontal partition 101 and the top of the drying room, and an exhaust fan 402 is installed in the moisture exhaust passage 401; at least two circulating fans 104, moisture exhaust channels 401 and corresponding exhaust fans 402 are arranged; a thermocouple and a hygrometer are further mounted on the support for mounting the circulating fan 104, and the thermocouple and the hygrometer are electrically connected with a temperature and humidity control device 403 arranged outside the drying room through leads; the circulating fan 104, the centrifugal fan 207 and the exhaust fan 402 are electrically connected with a power supply outside the drying room and a temperature and humidity control device 403 through wires.
When the drying room is used specifically, the target drying temperature and humidity of the drying room are set through the temperature and humidity control device 403, the valve of the air storage tank 301 is opened, and the pressure reducing valve 305 and the flow valve 307 are adjusted to be proper in size. And starting the circulating fan 104, igniting the gas engine, and performing drying operation. The air flow into the intake duct 203 is controlled by adjusting the rotation speed or the on-off of the electric motor 208 by the temperature and humidity control device 403. Meanwhile, the gas flow rate of the gas engine is adjusted to control the duration of the fire, so that sufficient heat is provided for the drying room until the target drying temperature is reached. After the drying is continued for a period of time, the real-time detection value of the hygrometer exceeds the set range, and the temperature and humidity control device 403 controls the exhaust fan 402 to be opened. After the moisture is discharged through the moisture discharge passage 401, the exhaust fan 402 is turned off when the humidity is reduced to a set range. After the food and the traditional Chinese medicinal materials on the drying rack 404 are dried, the drying rack 404 is sequentially pushed out of the drying room and pushed into the next drying rack.
The above embodiments are not limited to the scope of the present invention, and all modifications or variations based on the basic idea of the present invention belong to the scope of the present invention.
Claims (6)
1. The utility model provides an energy-concerving and environment-protective baking house, includes drying chamber and heating chamber, its characterized in that: the drying chamber is positioned on two sides of the heating chamber, and the heating chamber is communicated with the drying chamber; a circulating fan is arranged on one side of the drying chamber, which is far away from the heating chamber, the front side of the circulating fan faces the heating chamber, and the back side of the circulating fan is communicated with the heating chamber through a circulating channel at the top of the drying chamber; the heating chamber comprises a combustor and a tubular heat exchange device communicated with the combustor.
2. The energy-saving environment-friendly drying room as claimed in claim 1, wherein: the drying chamber comprises an upper layer compartment and a lower layer compartment which are separated by a horizontal partition plate; the lower compartment is communicated with the heating chamber through the punching plate, and the upper compartment is communicated with the heating chamber; circulating fan installs and keeps away from the board one side of punching a hole in lower floor's compartment, and circulating fan's front orientation board direction of punching a hole, circulating fan top the horizontal baffle is seted up the circulation wind gap, the circulation wind gap intercommunication upper compartment.
3. The energy-saving environment-friendly drying room as claimed in claim 2, characterized in that: the burner is arranged on the outer wall of the heating chamber, and a combustion cylinder of the burner is communicated with an air inlet pipeline of the tubular heat exchange device; two or more air inlets are formed in one end of the air inlet pipeline, and a heat insulation plate is arranged between each air inlet and the combustor; the aperture of the upper half part of the punching plate is smaller than that of the lower half part.
4. The energy-saving environment-friendly drying room as claimed in claim 3, characterized in that: the tubular heat exchange device comprises a first metal plate, a second metal plate and a matrix type parallel metal tube, wherein the first metal plate and the second metal plate are arranged in parallel relatively, the matrix type parallel metal tube penetrates through the first metal plate and the second metal plate, and a snake-shaped pipeline is formed by covering the end part of the metal tube by a metal cover arranged on one side of the metal plate; the end parts of the matrix type parallel metal pipes are distributed on the lower half part of the first metal plate, and the other end of the air inlet pipeline is distributed on the upper half part of the first metal plate; the metal cover covering the first metal plate is a first metal cover, the metal cover covering the second metal plate is a second metal cover, the second metal cover is communicated with an air inlet of the centrifugal fan through a pipeline, an air outlet of the centrifugal fan is communicated with the heating chamber, and a motor of the centrifugal fan is communicated with the outside through an air inlet pipeline.
5. The energy-saving environment-friendly drying room as claimed in claim 4, wherein: the drying room further comprises an air supply chamber, the drying room further comprises a moisture exhaust channel penetrating through the horizontal partition plate and the top of the drying room, and an exhaust fan is mounted in the moisture exhaust channel; at least two circulating fans, a moisture exhaust channel and corresponding exhaust fans are arranged; a thermocouple and a hygrometer are also arranged on the bracket for mounting the circulating fan, and the thermocouple and the hygrometer are electrically connected with a temperature and humidity control device arranged outside the drying room through leads; the circulating fan, the centrifugal fan and the exhaust fan are electrically connected with a power supply outside the drying room and the temperature and humidity control device through wires; the combustor is communicated with a gas storage tank in the gas supply chamber through a gas circuit, and the gas circuit is communicated with a vaporizer, a pressure gauge, a filter and a flow valve.
6. The energy-saving environment-friendly drying room as claimed in claim 4, wherein: the matrix type parallel metal pipe and the air inlet pipeline are metal pipes with oxidation resistance and high temperature resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827623.8U CN215571673U (en) | 2021-08-05 | 2021-08-05 | Energy-saving environment-friendly drying room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827623.8U CN215571673U (en) | 2021-08-05 | 2021-08-05 | Energy-saving environment-friendly drying room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215571673U true CN215571673U (en) | 2022-01-18 |
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ID=79833155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121827623.8U Active CN215571673U (en) | 2021-08-05 | 2021-08-05 | Energy-saving environment-friendly drying room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215571673U (en) |
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2021
- 2021-08-05 CN CN202121827623.8U patent/CN215571673U/en active Active
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