Waste heat utilization device for flue-cured tobacco curing barn

Abstract

The utility model relates to a flue-cured tobacco curing barn waste heat utilization device, and belongs to the field of tobacco production equipment, air energy heat pump units are arranged on the left side and the right side of a curing barn of the flue-cured tobacco curing barn waste heat utilization device, air enters from the two sides of the curing barn for hot air curing, and generated hot air enters a first communicating pipe from the upper portion of a top net to be recycled into a recycling tank. Cold water is added into the inner bin body of the recovery tank, hot air recovered by the first communicating pipe can heat water in the inner bin body, the heated hot water can be used for daily production and life, the hot air for heating is recovered into the dust removal tank from the second communicating pipe, and gas treated in the dust removal tank enters the filtering tank through the third communicating pipe to be filtered and then recovered. Dust carried in the hot air can be treated while the recycled hot air heat is fully utilized, and the treated hot air can be recycled from the air outlet pipe.

Description

Technical Field

[0001] The utility model belongs to the field of tobacco production equipment, and specifically relates to a device for utilizing waste heat in a flue-cured tobacco drying room. Background Art

[0002] The flue-cured tobacco house is a special house for the primary processing of mature flue-cured tobacco leaves, which mainly includes a tobacco loading room, heating equipment and ventilation system. There are two types of flue-cured tobacco houses: natural ventilation and mechanical ventilation. Natural ventilation includes airflow rising type, airflow falling type and tunnel type. These flue-cured tobacco houses can also be equipped with axial flow fans as auxiliary equipment for dehumidification; mechanical ventilation is a dense flue-cured tobacco house, and ordinary flue-cured tobacco houses with natural ventilation and airflow rising type and dense flue-cured tobacco houses are the most commonly used.

[0003] The invention patent with patent number CN202110117602.5 discloses a compressor step-start energy-saving heat pump flue-cured tobacco barn. This invention arranges a heat exchanger at the return air duct, and uses a fourth exhaust fan to transport the airflow in the barn body to the heat exchanger, and transports cold water to the heat exchanger through the water inlet, and heats the cold water by using the high-temperature gas inside the heat exchanger. After heating, the hot water is guided away by using the water outlet, so that the heat of the airflow in the return air duct can be conveniently recovered; the circulating hot air in the barn is recovered by using the fourth exhaust fan to transport the airflow in the barn body to the heat exchanger for recovery, but the circulating hot air in the barn still carries heat, but the heat is not fully utilized. In addition, the recovered hot air will carry dust, and repeated circulation in the equipment will affect the service life of the equipment. Utility Model Content

[0004] In order to overcome the problems existing in the background technology, the utility model discloses a waste heat utilization device for a flue-cured tobacco curing barn, wherein air-energy heat pump units are arranged on the left and right sides of the curing barn of the flue-cured tobacco curing barn, and air is taken in from both sides of the curing barn for hot air baking. The generated hot air enters the first connecting pipe from above the top net and is recovered into a recovery tank, and cold water is added to the inner bin body of the recovery tank. The hot air recovered by the first connecting pipe can heat the water in the inner bin body, and the heated hot water can be used for daily production and life. The hot air used for heating is recovered into the dust removal tank from the second connecting pipe, and the gas treated in the dust removal tank enters the filter tank through the third connecting pipe for filtration and then recovered, so that the heat of the recovered hot air can be fully utilized and the dust carried in the hot air can be treated, and the treated hot air can be reused from the outlet pipe.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] The flue-cured tobacco curing barn waste heat utilization device comprises: a curing barn, a first connecting pipe, a recovery tank, a second connecting pipe, a dust removal tank, a third connecting pipe, and a filter tank; the curing barn is connected to the recovery tank through the first connecting pipe, the recovery tank is connected to the dust removal tank through the second connecting pipe, and the dust removal tank is connected to the filter tank through the third connecting pipe.

[0007] As a preferred embodiment: it includes: a heat pump, a hot air inlet pipe, and a hot air outlet pipe; the heat pump unit is connected to the hot air inlet pipe, the hot air inlet pipe is connected to the baking room, and the hot air outlet pipe is connected to the hot air inlet pipe.

[0008] As a preferred embodiment: the heat pump, the hot air inlet pipe and the hot air outlet pipe form a heat pump unit; two heat pump units are provided, and the two heat pump units are respectively arranged on the left and right sides of the baking room.

[0009] As a preferred embodiment, it comprises: a mesh cover, a tobacco curing rack, a top net, and a fan; the mesh cover is arranged inside the curing room, the tobacco curing rack is arranged inside the tobacco curing room, the top net is arranged inside the tobacco curing room, and the fan is connected to the top surface of the top net.

[0010] Preferably, it comprises: a water inlet pipe, a cleaning water pipe, a recovery water pipe, a water outlet pipe, and an inner storage body; the water inlet pipe is arranged at the top of the recovery tank, the cleaning water pipe is arranged at the top of the recovery tank, the recovery water pipe is arranged at the bottom of the recovery tank, the water outlet pipe is arranged at the side of the recovery tank, and the inner storage body is arranged inside the recovery tank.

[0011] Preferably, it comprises: a spray water pipe, a spray head, a water collecting port, and a bottom recovery pipe; the spray water pipe is arranged at the top of the dust removal tank, the spray head is arranged inside the dust removal tank, the water collecting port is arranged inside the dust removal tank, and the bottom recovery pipe is connected to the water collecting port.

[0012] As a preferred embodiment, it includes: a cover body, a threaded connection port, an air outlet pipe, a support plate, and a filter screen; the cover body is connected to the filter tank, the threaded connection port is arranged on the left side of the filter tank, and the air outlet pipe is arranged on the right side of the filter tank.

[0013] As a preference: comprising: a support plate and a filter screen; the support plate is arranged inside the filter tank, and the filter screen is arranged on the support plate.

[0014] The beneficial effects of the utility model are as follows: air-energy heat pump units are arranged on the left and right sides of the flue-cured tobacco flue-curing barn of the waste heat utilization device, and hot air baking is performed by taking in air from both sides of the flue-curing barn, and the generated hot air enters the first connecting pipe from above the top net and is recovered into the recovery tank, and cold water is added to the inner bin body of the recovery tank. The hot air recovered by the first connecting pipe can heat the water in the inner bin body, and the heated hot water can be used for daily production and life, and the hot air used for heating is recovered into the dust removal tank from the second connecting pipe, and the gas treated in the dust removal tank enters the filter tank through the third connecting pipe for filtration and recovery, so that the heat of the recovered hot air can be fully utilized and the dust carried in the hot air can be treated, and the treated hot air can be reused from the air outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the recovery tank;

[0017] Figure 3 It is a structural schematic diagram of the dust removal tank;

[0018] Figure 4 Schematic diagram of the filter tank structure.

[0019] In the figure, 1-baking room, 2-first connecting pipe, 3-recovery tank, 4-second connecting pipe, 5-dust removal tank, 6-third connecting pipe, 7-filter tank, 8-heat pump, 9-hot air inlet pipe, 10-hot air outlet pipe, 11-net cover, 12-baking rack, 13-top net, 14-fan, 15-water inlet pipe, 16-cleaning water pipe, 17-recovery water pipe, 18-water outlet pipe, 19-spraying water pipe, 20-bottom recovery pipe, 21-air outlet pipe, 22-inner warehouse body, 23-water collection port, 24-spray head, 25-cover body, 26-threaded connection port, 27-support plate, 28-filter screen. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objectives, technical solutions and beneficial effects clearer, the present invention is described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-4As shown, the waste heat utilization device of the flue-cured tobacco curing room 1 includes: a curing room 1, a first connecting pipe 2, a recovery tank 3, a second connecting pipe 4, a dust removal tank 5, a third connecting pipe 6, a filter tank 7, a heat pump 8, a hot air inlet pipe 9, a hot air outlet pipe 10, a mesh cover 11, a tobacco curing rack 12, a top net 13, a fan 14, a water inlet pipe 15, a cleaning water pipe 16, a recovery water pipe 17, a water outlet pipe 18, an inner warehouse body 22, a spray water pipe 19, a spray head, a water collection port 23, a bottom recovery pipe 20, The cover 25, the threaded connection port 26, the air outlet pipe 21, the support plate 27, the filter screen 28; the front of the baking room 1 is provided with a door body, the baking room 1 is connected with the recovery tank 3 through the first connecting pipe 2, the recovery tank 3 is connected with the dust removal tank 5 through the second connecting pipe 4, the dust removal tank 5 is connected with the filter tank 7 through the third connecting pipe 6, the heat pump 8 is connected with the hot air inlet pipe 9, the hot air inlet pipe 9 is connected with the baking room 1, the hot air outlet pipe 10 is connected with the hot air inlet pipe 9, the heat pump 8 is provided with two groups, two The heat pump 8 is respectively arranged on the left and right sides of the curing room 1, the mesh cover is arranged inside the curing room 1, the curing rack 12 is arranged inside the curing tobacco, the mesh cover 11 and the curing rack 12 are provided with bottom wheels at the bottom for convenient transportation, the top net 13 is arranged inside the curing tobacco, the fan 14 is connected to the top surface of the top net 13, the water inlet pipe 15 is arranged at the top of the recovery tank 3, the cleaning water pipe 16 is arranged at the top of the recovery tank 3, the recovery water pipe 17 is arranged at the bottom of the recovery tank 3, and the water outlet pipe 18 is arranged on the side of the recovery tank 3. The inner warehouse body 22 is arranged inside the recovery tank 3, the spray water pipe 19 is arranged on the top of the dust removal tank 5, the spray head is arranged inside the dust removal tank 5, the water collecting port 23 is arranged inside the dust removal tank 5, the bottom recovery pipe 20 is connected with the water collecting port 23, the cover body 25 is connected with the filter tank 7, the threaded connection port 26 is arranged on the left side of the filter tank 7, the air outlet pipe 21 is arranged on the right side of the filter tank 7, the support plate 27 is arranged inside the filter tank 7, and the filter screen 28 is arranged on the support plate 27.

[0022] The flue-cured tobacco flue-cured barn 1 of the waste heat utilization device is provided with air-energy heat pumps 8 on the left and right sides of the flue-cured tobacco flue-cured barn 1. Air is introduced from both sides of the flue-cured tobacco flue 1 for hot air baking. The generated hot air enters the first connecting pipe 2 from above the top net 13 and is recovered into the recovery tank 3. The top net 13 is connected with a fan 14. The first connecting pipe 2, the second connecting pipe 4 and the third connecting pipe 6 are provided with a pump body and a control valve. Cold water is added to the inner warehouse body 22 of the recovery tank 3. The hot air recovered by the first connecting pipe 2 can heat the water in the inner warehouse body 22. The hot air enters from the first connecting pipe 2 into the space between the inner warehouse body 22 and the outer wall of the recovery tank 3 and contacts the inner warehouse body 22. The heated hot water can be used for daily production and life. The dust that may be accumulated in the recovery pipe can be cleaned by water entering from the cleaning water pipe 16 and recovered from the recovery water pipe 17. The cleaning water is collected, and the hot air used for heating is recovered from the second connecting pipe 4 to the dust removal tank 5. The dust removal tank 5 is provided with a spray pipe and a spray head. Water enters the spray pipe to reduce dust on the incoming hot air. The dust-reducing liquid gathers at the water collecting port 23, and the gathered liquid is recovered from the bottom recovery pipe 20. The gas treated in the dust removal tank 5 enters the filter tank 7 through the third connecting pipe 6 and is filtered and then recovered. A filter screen 28 is provided in the filter tank 7, and the filter screen 28 is an activated carbon filter screen 28. A cover body 25 is provided on the side of the filter tank 7, and the cover body 25 is threadedly connected to the side of the filter tank 7. The filter screen 28 can be disassembled and replaced from the filter tank 7, so that the heat of the recovered hot air can be fully utilized while the dust carried in the hot air can be processed. The treated hot air can be reused from the outlet pipe 21.

[0023] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A device for utilizing waste heat from a flue-cured tobacco barn, characterized in that: include: Baking room, first connecting pipe, recovery tank, second connecting pipe, dust removal tank, third connecting pipe, filter tank; The baking room is connected with the recovery tank through a first connecting pipe, the recovery tank is connected with the dust removal tank through a second connecting pipe, and the dust removal tank is connected with the filter tank through a third connecting pipe.

2. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 1, characterized in that: include: A heat pump, a hot air inlet pipe, and a hot air outlet pipe; the heat pump is connected to the hot air inlet pipe, the hot air inlet pipe is connected to the baking room, and the hot air outlet pipe is connected to the hot air inlet pipe.

3. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 2, characterized in that: The heat pump, the hot air inlet pipe and the hot air outlet pipe form a heat pump unit; two heat pump units are provided, and the two heat pump units are respectively arranged on the left and right sides of the baking room.

4. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 1, characterized in that: include: A mesh cover, a tobacco curing rack, a top net, and a fan; the mesh cover is arranged inside the curing room, the tobacco curing rack is arranged inside the tobacco curing room, the top net is arranged inside the tobacco curing room, and the fan is connected to the top surface of the top net.

5. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 1, characterized in that: include: Water inlet pipe, cleaning water pipe, recovery water pipe, water outlet pipe, inner warehouse body; the water inlet pipe is arranged at the top of the recovery tank, the cleaning water pipe is arranged at the top of the recovery tank, the recovery water pipe is arranged at the bottom of the recovery tank, the water outlet pipe is arranged at the side of the recovery tank, and the inner warehouse body is arranged inside the recovery tank.

6. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 1, characterized in that: It includes: a spray water pipe, a spray head, a water collection port, and a bottom recovery pipe; the spray water pipe is arranged on the top of the dust removal tank, the spray head is arranged inside the dust removal tank, the water collection port is arranged inside the dust removal tank, and the bottom recovery pipe is connected to the water collection port.

7. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 1, characterized in that: include: Cover body, threaded connection port, air outlet pipe; The cover body is connected to the filter tank, the threaded connection port is arranged on the left side of the filter tank, and the air outlet pipe is arranged on the right side of the filter tank.

8. The device for utilizing waste heat from a flue-cured tobacco barn according to claim 1, characterized in that: include: Support plate, filter screen; the support plate is arranged inside the filter tank, and the filter screen is arranged on the support plate.

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