CN220557397U - Device for recovering and utilizing waste heat from tobacco leaf baking machine exhaust gas - Google Patents
Device for recovering and utilizing waste heat from tobacco leaf baking machine exhaust gas Download PDFInfo
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- CN220557397U CN220557397U CN202322006105.5U CN202322006105U CN220557397U CN 220557397 U CN220557397 U CN 220557397U CN 202322006105 U CN202322006105 U CN 202322006105U CN 220557397 U CN220557397 U CN 220557397U
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 53
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 53
- 239000007789 gas Substances 0.000 title claims abstract description 48
- 239000002918 waste heat Substances 0.000 title claims abstract description 38
- 239000002912 waste gas Substances 0.000 claims abstract description 61
- 238000004064 recycling Methods 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000004140 cleaning Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 21
- 238000004062 sedimentation Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 description 20
- 238000001035 drying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Manufacture Of Tobacco Products (AREA)
Abstract
The utility model discloses a waste gas waste heat recycling device of a tobacco leaf curing machine, and belongs to the technical field of machinery. The waste gas waste heat recycling device comprises a waste gas recycling channel, a fresh air cold air preheating channel, a gas-gas heat exchanger arranged at the intersection of the waste gas recycling channel and the fresh air cold air preheating channel, and a preheated air channel connected with the gas-gas heat exchanger, wherein an air volume and air pressure adjusting device is arranged on the preheated air channel, the air volume and air pressure adjusting device comprises a pressure sensor, a valve and an automatic controller, the pressure sensor is used for air pressure and transmitting and feeding back a signal to the automatic controller, and the automatic controller is used for adjusting the opening degree of the valve according to the required air volume and air pressure. According to the scheme, waste heat in high-temperature and high-humidity waste gas discharged from the tobacco leaf curing machine is recycled and is used in fresh air heating of the tobacco leaf curing machine, so that the energy consumption of the curing machine is reduced, and the purposes of energy conservation and emission reduction are achieved; and the preheated air volume and air pressure adjusting device ensures that the equipment can be flexibly regulated and controlled, and the automatic production requirements are met.
Description
Technical Field
The utility model relates to a waste heat recovery device, in particular to a waste heat recovery and utilization device for waste gas of a tobacco leaf baking machine.
Background
The tobacco redrying machine is a key device in the existing threshing and redrying process, and has the main function of drying tobacco leaves by using hot air, so that the temperature and the moisture content of output tobacco leaves are ensured to meet the requirements of mechanical processing on tobacco leaf technical indexes. When the tobacco redrying machine runs, the heating system heats the entering fresh air to more than 100 ℃ to dry the tobacco, simultaneously, a large amount of high-temperature and high-humidity waste gas is discharged outwards continuously, and the same amount of fresh air is supplemented to the heating system to continuously and circularly work, and the discharged high-temperature and high-humidity waste gas is not recycled at present, so that a waste gas waste heat recycling device of the tobacco redrying machine is necessary to be designed, and the prior art is improved.
In the prior art, the publication number is CN203226252U, the publication date is 2013.03.26, the Chinese utility model entitled "flue-cured tobacco flake redrying machine high-temperature condensed water waste heat recycling device" grants a patent, and the technical scheme is as follows: the device for recycling the waste heat of the high-temperature condensed water of the tobacco flake redrying machine is characterized in that a connecting pipeline (6) is arranged between a steam heater (2) and a hot water heater (5) in a drying area of the tobacco flake redrying machine, the high-temperature condensed water formed after heat exchange of the steam heater (2) is conveyed to the hot water heater (5), and circulating air in the drying area is heated or preheated through the hot water heater (5); the steam trap (3) is arranged on the connecting pipeline (6), and the water outlet of the hot water heater (5) is connected with the drainage pipe network (7). The waste heat recycling device is used for recycling waste heat contained in high-temperature condensed water generated by the steam heater of the drying area of the redrying machine, but the waste heat contained in a large amount of discharged high-temperature high-humidity gas generated when the tobacco leaves are dried in the drying area of the redrying machine is not recycled.
Disclosure of Invention
The utility model aims to solve the recycling problem of a large amount of high-temperature and high-humidity gas discharged from a drying area of a tobacco redrying machine in the prior art, and provides a waste heat recycling device for waste gas of the tobacco redrying machine, which is used for utilizing the waste heat in the high-temperature and high-humidity waste gas discharged from the tobacco redrying machine to fresh air heating of the tobacco redrying machine, so that the energy consumption of the tobacco redrying machine is reduced, and the purposes of energy conservation and emission reduction are achieved.
In order to achieve the above object, the present utility model has the following technical scheme:
the utility model provides a tobacco leaf roasting machine waste gas waste heat recovery utilizes device, its characterized in that includes waste gas recovery passageway, new trend cold air preheating passageway, sets up the gas-gas heat exchanger of waste gas recovery passageway and new trend cold air preheating pipeline junction and with the air-gas heat exchanger be connected preheat back air passage, be provided with amount of wind pressure adjusting device on the back air passage that preheats, amount of wind pressure adjusting device includes pressure sensor, valve and automatic control ware, pressure sensor is used for detecting the inside air pressure of back air passage that preheats and feeds back signal transmission to automatic control ware, and automatic control ware is used for adjusting valve aperture according to required amount of wind pressure.
Further, in a certain embodiment, an automatic cleaning device is arranged in the gas-gas heat exchanger, the automatic cleaning device comprises a booster pump, a swing sprayer and a spray pipeline, the booster pump is connected with the water tank and used for conveying cleaning water to the swing sprayer through the spray pipeline, and the swing sprayer is fixedly arranged at the top in the gas-gas heat exchanger.
Further, in a certain embodiment, a protective safety net is arranged at the connecting end of the air-air heat exchanger and the fresh air cooling air preheating pipeline.
Further, in an embodiment, a filter screen for preventing the sheet impurities in the exhaust gas from entering is arranged at the connection end of the gas-gas heat exchanger and the exhaust gas recovery channel, and the filter screen is fixed on the gas-gas heat exchanger through a bracket and a quick-change connection buckle.
Further, in an embodiment, the exhaust gas recovery channel is connected to the bottom of the gas-gas heat exchanger, and the top of the gas-gas heat exchanger is connected to the exhaust gas discharge channel.
Further, in an embodiment, the fresh air cooling air pipeline and the preheated air channel are respectively connected to the left end and the right end of the air-air heat exchanger, and the outlet of the preheated air channel is connected to the air inlet of the tobacco redrying machine.
Further, in a certain embodiment, the wall of the preheated air channel adopts a double-layer structure, the inner layer and the outer layer are made of stainless steel plates, and a heat insulation material is arranged between the inner layer and the outer layer.
Further, in an embodiment, the heat insulation material is polyurethane foam.
Further, in a certain embodiment, an inverted V-shaped mesh plate and a liquid diversion trench are arranged in the waste gas recovery channel, a water permeable hole is formed in the bottom edge of the inverted V-shaped mesh plate, and the liquid diversion trench is arranged below the inverted V-shaped mesh plate and corresponds to the water permeable hole.
Further, in an embodiment, the liquid diversion trench is externally connected with a water return pipe, the water return pipe is connected into the sedimentation tank, and the sedimentation tank is communicated with the water tank of the automatic cleaning device.
In summary, the utility model has the following advantages:
1. the utility model realizes the recovery of the waste heat in the high-temperature and high-humidity waste gas discharged by the tobacco redrying machine, and utilizes the waste heat to the fresh air heating of the tobacco redrying machine, thereby reducing the energy consumption of the tobacco redrying machine and achieving the purposes of energy conservation and emission reduction; the preheating air quantity and air pressure regulating device ensures that equipment can be flexibly regulated and controlled, and meets the requirement of automatic production;
2. according to the utility model, the top of the gas-gas heat exchanger is provided with the automatic cleaning device, so that a cleaning agent with certain acidity and alkalinity can be used for regularly spraying and cleaning the heat exchanger, and substances such as tobacco tar in waste gas of a baking machine can be prevented from being stuck to the heat exchanger, and the heat exchange efficiency is prevented from being influenced;
3. according to the utility model, the fresh air and cold air inlet end of the air-air heat exchanger is provided with the safety net, so that a worker is prevented from touching the internal devices of the air-air heat exchanger to scald during working, and the protection performance is improved;
4. in the utility model, a filter screen is arranged at the inlet end of the high-temperature high-humidity waste gas to prevent flaky impurities in the waste gas from entering the gas-gas heat exchanger to influence the heat exchange efficiency;
5. in the utility model, the wall of the preheated air channel adopts a double-layer structure, the inner layer and the outer layer are made of stainless steel plates, and a heat insulation material is arranged between the inner layer and the outer layer, so that the effect of heat insulation can be achieved, and the rapid loss of heat is avoided;
6. in the utility model, after the sprayed cleaning liquid flows down into the waste gas recovery channel, the cleaning liquid flows into the liquid diversion groove below along the outer side surface of the inverted V-shaped mesh plate through the water permeable holes, the liquid diversion groove is externally connected with the water return pipe, water is led into the sedimentation tank, and the cleaning liquid after sedimentation is connected with the water tank of the automatic cleaning device, so that the cleaning water can be recycled, and the effects of energy conservation and emission reduction are achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the recycling device of the present utility model;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic view of the structure of the automatic cleaning device;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a schematic view of an inverted V-shaped mesh plate and a liquid diversion trench structure;
fig. 7 is an enlarged schematic view of the portion a of fig. 6.
In the figure:
1. a gas-gas heat exchanger, 2, an exhaust gas recovery channel, 3, a fresh air cold air pipeline, 4, a preheated air channel, 5, an external exhaust gas channel, 6, an automatic cleaning device, 7, a safety protection filtering device, 8, an inverted V-shaped mesh plate, 9, an automatic controller, 10, a pressure sensor, 11, a liquid diversion trench, 12, a spray pipeline, 13, a water tank, 14, a booster pump, 15, a swinging sprayer, 16, a fan-shaped nozzle, 17, a water return pipe, 18, a valve, 19, a filter screen, 20, a safety net, 21, a water permeable hole, 22 and a small hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "vertical", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a waste gas and waste heat recycling device of a tobacco leaf baking machine, which is shown in fig. 1-2, wherein the core device is a gas-gas heat exchanger 1, and the gas-gas heat exchanger 1 is used for completing heat exchange between fresh air and cold air and waste gas of the tobacco leaf redrying machine.
An exhaust gas outlet of the tobacco redrying machine is connected with an exhaust gas recovery channel 2, and an outlet of the exhaust gas recovery channel 2 is connected with a gas-gas heat exchanger 1. Meanwhile, the air-air heat exchanger 1 is connected with a fresh air cooling air pipeline 3 and a preheated air channel 4, and the outlet of the preheated air channel 4 is connected with an air inlet of the tobacco redrying machine. The fresh air source is changed into preheated air after heat exchange by the air-air heat exchanger 1, and enters the tobacco redrying machine through the preheated air channel 4.
In this embodiment, the exhaust gas recovery channel 2 is disposed below the gas-gas heat exchanger 1, and an exhaust gas discharge channel 5 connected to the gas-gas heat exchanger 1 is disposed above the gas-gas heat exchanger 1, and the exhaust gas after heat exchange is discharged through the exhaust gas discharge channel 5. The new air cooling air pipeline 3 and the preheated air channel 4 are respectively connected to the left and right sides of the air-air heat exchanger 1. Through the connecting structure, the waste heat in the waste gas recovery channel 2 is recycled, and the effects of energy conservation and emission reduction are achieved.
Further, as shown in fig. 2, a preheated air volume and air pressure adjusting device is arranged on the preheated air channel 4, and the preheated air volume and air pressure adjusting device is used for flexibly adjusting the preheated air volume and air pressure so as to ensure production requirements. In this embodiment, the air volume and wind pressure adjusting device includes a pressure sensor 10, a valve 18 and an automatic controller 9 disposed in the preheated air channel 4, the automatic controller 9 is electrically connected with the valve 18 and the pressure sensor 10, and the valve 18 is flexibly adjusted by a pressure test value fed back by the pressure sensor 10, so as to ensure the air volume and wind pressure required by production.
By adopting the scheme, the waste heat in the exhaust gas of the baking machine in the tobacco material baking process is fully utilized to preheat the supplementary air required by the work of the baking machine, and the waste heat in the exhaust gas is recycled by the baking machine, so that the energy consumption of the baking machine can be greatly reduced, the purposes of saving energy and reducing emission are achieved, and meanwhile, the economic benefit is improved.
The working principle of this embodiment is as follows:
the waste gas of the tobacco redrying machine enters the treatment space of the air-air heat exchanger 1 through a waste gas recovery channel 2 arranged below the waste heat recovery and utilization device, fresh air and cold air enter the treatment space of the air-air heat exchanger 1 through the channel of the waste gas, high-temperature waste gas heats the fresh air and cold air through the air-air heat exchanger 1, the waste gas enters the tobacco redrying machine through a preheated air channel 4, and the redundant waste gas after heat exchange is discharged through an external exhaust waste gas channel 5 arranged on the equipment. The preheating air quantity and air pressure regulating device ensures that equipment can be flexibly regulated and controlled, and meets the requirement of automatic production.
Example 2
As a preferred embodiment of the present utility model, this embodiment proposes a waste gas waste heat recycling device of a tobacco flue-curing machine on the basis of embodiment 1.
Further, for better implementation of the present embodiment, an automatic cleaning device 6 is disposed at the top of the gas-gas heat exchanger 1, referring to fig. 4 and 5 of the specification, in this embodiment, the automatic cleaning device 6 is composed of a booster pump 14, a swing sprayer 15 and a spray pipeline 12, the booster pump 14 is installed outside the apparatus and connected with the water tank 13, the swing sprayer 15 is fixed at the top of the gas-gas heat exchanger 1 inside the apparatus by a bracket, and the nozzle is set as a fan-shaped nozzle 16. The automatic cleaning device 6 can regularly spray and clean the heat exchanger by using a cleaning agent with certain acidity and alkalinity, so that substances such as tobacco tar in waste gas of the baking machine are prevented from being stuck on the heat exchanger, and the heat exchange efficiency is prevented from being influenced.
The safety protection filter device 7 is installed outside the air-air heat exchanger 1, and referring to fig. 3 of the specification, in this embodiment, the safety protection filter device 7 includes a safety net 20 disposed at the air inlet end of the fresh air and cool air of the air-air heat exchanger 1 and a filter net 19 disposed at the inlet end of the high-temperature and high-humidity exhaust gas. Wherein, the filter screen 19 is fixed on the gas-gas heat exchanger 1 through a bracket and a quick-change connection hasp, and is used for preventing sheet impurities in the waste gas from entering the gas-gas heat exchanger 1 and influencing the heat exchange efficiency. The safety net 20 is used for preventing personnel from touching the internal devices of the gas-gas heat exchanger 1 to scald during working.
The working principle of this embodiment is as follows:
the waste gas of the tobacco redrying machine enters the treatment space of the air-air heat exchanger 1 through a waste gas recovery channel 2 arranged below the waste heat recovery and utilization device, fresh air and cold air enter the treatment space of the air-air heat exchanger 1 through the channel of the waste gas, high-temperature waste gas heats the fresh air and cold air through the air-air heat exchanger 1, the waste gas enters the tobacco redrying machine through a preheated air channel 4, and the redundant waste gas after heat exchange is discharged through an external exhaust waste gas channel 5 arranged on the equipment. The preheating air quantity and air pressure regulating device ensures that equipment can be flexibly regulated and controlled, meets the requirement of automatic production, and the automatic cleaning device 6 and the safety protection filtering device 7 ensure the efficient operation of the air-air heat exchanger 1.
Example 3
On the basis of any one of the above embodiments, the present embodiment provides a device for recycling waste heat of waste gas of a tobacco baking machine, and further, in this embodiment, in order to improve the utilization rate of waste heat and the heat preservation effect, the preheated air channel 4 is subjected to heat insulation treatment. In this embodiment, the wall of the preheated air channel adopts a double-layer structure. The inner layer and the outer layer of the channel are made of stainless steel plates, and polyurethane foaming plastics are injected into the wall space of the inner layer and the outer layer to perform heat insulation.
Example 4
On the basis of the above embodiment 2, this embodiment provides a waste gas waste heat recycling device of a tobacco leaf baking machine, referring to fig. 6 and 7 of the specification, an inverted V-shaped mesh plate 8 and a liquid diversion trench 11 are installed at the bottom of the air-air heat exchanger 1, wherein the inverted V-shaped mesh plate 8 is fixedly arranged on the waste gas recycling channel 2, a plurality of uniform small holes 22 are distributed on the surface of the inverted V-shaped mesh plate 8, and the liquid diversion trench 11 is arranged below the inverted V-shaped mesh plate 8. By means of the surface tension of the liquid, air normally enters the air-air heat exchanger 1 through the inverted V-shaped mesh plate 8.
The bottom edge of the inverted V-shaped mesh plate 8 is provided with a water permeable hole 21, the aperture of the water permeable hole 21 is larger than the aperture of the mesh plate, after the cleaning liquid flowing down after spraying enters the waste gas recovery channel 2, the cleaning liquid enters the liquid diversion trench 11 below along the outer side surface of the inverted V-shaped mesh plate 8 through the water permeable hole 21, the liquid diversion trench 11 is externally connected with the water return pipe 17, water is led into a sedimentation tank, the cleaning liquid after sedimentation is connected with the water tank 13 of the automatic cleaning device 6, and the recycling of the cleaning water is realized, so that the effects of energy conservation and emission reduction are achieved.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.
Claims (10)
1. The waste gas and waste heat recycling device of the tobacco leaf baking machine is characterized by comprising a waste gas recycling channel (2), a fresh air cold air pipeline (3), an air-air heat exchanger (1) arranged at the junction of the waste gas recycling channel (2) and the fresh air cold air pipeline (3) and a preheated air channel (4) connected with the air-air heat exchanger (1), wherein an air quantity and air pressure regulating device is arranged on the preheated air channel (4), the air quantity and wind pressure regulating device comprises a pressure sensor (10), a valve (18) and an automatic controller (9), wherein the pressure sensor (10) is used for detecting the air pressure in the preheated air channel (4) and feeding back a signal transmission to the automatic controller (9), and the automatic controller (9) is used for regulating the opening of the valve (18) according to the required air quantity and wind pressure.
2. The waste gas and waste heat recycling device of a tobacco leaf baking machine according to claim 1, wherein an automatic cleaning device (6) is arranged in the air-air heat exchanger (1), the automatic cleaning device (6) comprises a booster pump (14), a swinging sprayer (15) and a spraying pipeline (12), the booster pump (14) is connected with the water tank (13) and is used for conveying cleaning water to the swinging sprayer (15) through the spraying pipeline (12), and the swinging sprayer (15) is fixedly arranged at the top in the air-air heat exchanger (1).
3. The waste gas and waste heat recycling device of the tobacco leaf baking machine according to claim 1, wherein a protective safety net (20) is arranged at the connecting end of the air-air heat exchanger (1) and the fresh air cooling air pipeline (3).
4. The waste gas and waste heat recycling device of the tobacco leaf baking machine according to claim 1, wherein a filter screen (19) for preventing sheet impurities in waste gas from entering is arranged at the connecting end of the gas-gas heat exchanger (1) and the waste gas recycling channel (2), and the filter screen (19) is fixed on the gas-gas heat exchanger (1) through a bracket and a quick-change connecting buckle.
5. The waste gas and waste heat recycling device of the tobacco leaf baking machine according to claim 1, wherein the waste gas recycling channel (2) is connected to the bottom of the gas-gas heat exchanger (1), and the top of the gas-gas heat exchanger (1) is connected with a waste gas discharging channel.
6. The waste gas and waste heat recycling device of the tobacco curing machine according to claim 1, wherein the fresh air cooling air pipeline (3) and the preheated air channel (4) are respectively connected to the left end and the right end of the air-air heat exchanger (1), and the outlet of the preheated air channel (4) is connected to the air inlet of the tobacco curing machine.
7. The device for recycling waste heat of waste gas of tobacco baking machine according to claim 1, wherein the pipe wall of the preheated air channel (4) adopts a double-layer structure, the inner layer and the outer layer are made of stainless steel plates, and heat insulation materials are arranged between the pipe walls of the inner layer and the outer layer.
8. The device for recycling waste heat of waste gas of a tobacco flue-curing machine according to claim 7, wherein the heat-insulating material is polyurethane foam.
9. The waste gas and waste heat recycling device of the tobacco leaf baking machine according to claim 2, wherein an inverted-V-shaped mesh plate and a liquid diversion trench (11) are arranged in the waste gas recycling channel (2), water permeable holes (21) are formed in the bottom edge of the inverted-V-shaped mesh plate (8), and the liquid diversion trench (11) is arranged below the inverted-V-shaped mesh plate (8) and corresponds to the positions of the water permeable holes (21).
10. The waste gas and waste heat recycling device of the tobacco leaf baking machine according to claim 9, wherein the liquid diversion trench (11) is externally connected with a water return pipe (17), the water return pipe (17) is connected into a sedimentation tank, and the sedimentation tank is communicated with a water tank (13) of the automatic cleaning device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322006105.5U CN220557397U (en) | 2023-07-28 | 2023-07-28 | Device for recovering and utilizing waste heat from tobacco leaf baking machine exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322006105.5U CN220557397U (en) | 2023-07-28 | 2023-07-28 | Device for recovering and utilizing waste heat from tobacco leaf baking machine exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220557397U true CN220557397U (en) | 2024-03-08 |
Family
ID=90090357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322006105.5U Active CN220557397U (en) | 2023-07-28 | 2023-07-28 | Device for recovering and utilizing waste heat from tobacco leaf baking machine exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220557397U (en) |
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2023
- 2023-07-28 CN CN202322006105.5U patent/CN220557397U/en active Active
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