CN214853605U - Poultry house ventilation heat recovery, utilization and emission reduction device - Google Patents
Poultry house ventilation heat recovery, utilization and emission reduction device Download PDFInfo
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- CN214853605U CN214853605U CN202120247595.6U CN202120247595U CN214853605U CN 214853605 U CN214853605 U CN 214853605U CN 202120247595 U CN202120247595 U CN 202120247595U CN 214853605 U CN214853605 U CN 214853605U
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- 244000144977 poultry Species 0.000 title claims abstract description 65
- 238000009423 ventilation Methods 0.000 title claims abstract description 28
- 238000011084 recovery Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 121
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 60
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 235000012501 ammonium carbonate Nutrition 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
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- 230000030279 gene silencing Effects 0.000 description 1
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Abstract
The utility model discloses a birds house ventilation heat recovery, utilization and reduce discharging device, include: the system comprises an exhaust heat exchanger, a fresh air heat exchanger, an exhaust air pipe, an air supply air pipe, a circulating liquid temperature pipe, a circulating liquid cooling pipe, an exhaust fan, a fresh air fan and a circulating pump; the circulating liquid cooling pipe, the exhaust heat exchanger, the circulating liquid temperature pipe and the fresh air heat exchanger are communicated in sequence to form a circulating liquid circulating pipeline; the circulating pump is arranged on the circulating liquid circulating pipeline; the air exhaust pipe is communicated with the air exhaust heat exchanger, and warm and turbid air in the poultry house enters the air exhaust heat exchanger through the air exhaust pipe, exchanges heat with circulating liquid in the air exhaust heat exchanger and is exhausted out of the poultry house; the fresh air heat exchanger is communicated with the air supply duct; cold new trend outside the house carries out the heat exchange through getting into new trend heat exchanger after, gets into in the house through the air supply tuber pipe. The utility model discloses can carry out heat recovery with the warm foul smell in the house to utilize this part heat to heat the new trend outside the house, have the energy saving, reduce the advantage of atmospheric pollution.
Description
Technical Field
The utility model relates to a pouity dwelling place environmental conditioning technical field, more specifically the utility model relates to a pouity dwelling place ventilation heat recovery, utilization and emission reduction device that says so.
Background
In winter, northern areas are short in sunlight, cold and windy, and the outside temperature is greatly different from the temperature required by animals in the poultry house. The temperature required by the young poultry is gradually reduced from 35-36 ℃ from the beginning along with the increase of the age in days, and the suitable temperature required by the young poultry reaches about 23 ℃.
At present, when the poultry house needs ventilation, the foul air in the poultry house is usually discharged to the outside in a room temperature negative pressure ventilation mode, so that great heat loss and environmental pollution are caused. Ventilation and heat preservation often can not exist simultaneously, and a large amount of heat energy in the house must be taken away simultaneously to the exhaust foul air. In order to reduce heat loss in the house, various heating methods are required to maintain the temperature in the house, which consumes a large amount of energy. Or adopt "heavily keep warm, light ventilation" mode, can cause the poor air quality in the house like this, in addition, adopt the mode of negative pressure ventilation, make the risk that the poultry appears the oxygen deficiency easily. In addition, the dirty air of higher temperature contains harmful substance such as a large amount of steam, ammonia, hydrogen sulfide, carbon dioxide, dust in the house, if directly arrange outside the house, can cause plant environmental pollution and biological safety risk.
Therefore, how to provide a poultry house ventilation heat recycling and utilization and emission reduction device with low energy consumption and reduced air pollution is a problem that needs to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a poultry house ventilation heat recovery, utilization and emission reduction device, which can exchange heat between warm foul air in the poultry house and a heat exchanger and transfer heat to circulating liquid in the heat exchanger; the circulating liquid after heating up carries out the heat exchange with the outside cold new trend of pouity dwelling place again, makes cold new trend heat up to blow inside the pouity dwelling place, can effectively improve heat recovery efficiency, the energy saving.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a poultry house ventilation heat recovery, utilization and emission reduction device comprises: the system comprises an exhaust heat exchanger, a fresh air heat exchanger, an exhaust air pipe, an air supply air pipe, a circulating liquid temperature pipe, a circulating liquid cooling pipe, an exhaust fan, a fresh air fan and a circulating pump;
the circulating liquid cooling pipe, the exhaust heat exchanger, the circulating liquid warm pipe and the fresh air heat exchanger are communicated in sequence to form a circulating liquid circulating pipeline; the circulating pump is arranged on the circulating liquid circulating pipeline;
the exhaust air pipe is provided with a warm and turbid air inlet; the exhaust heat exchanger is provided with a cold foul air outlet; the warm foul air inlet faces the poultry in the poultry house; the cool and turbid air outlet is positioned at the bottom of the poultry house and faces the outside of the poultry house; the exhaust fan is arranged at the position of the cold and turbid air outlet; the warm foul air inlet, the exhaust air pipe, the exhaust heat exchanger and the cool foul air outlet are communicated in sequence to form an exhaust pipeline; warm and foul air in the poultry house sequentially enters the exhaust heat exchanger through the warm and foul air inlet and the exhaust air pipe, exchanges heat with circulating liquid in the exhaust heat exchanger, and is discharged out of the poultry house through the cool and foul air outlet;
the fresh air heat exchanger is provided with a cold fresh air inlet; the cold fresh air inlet is positioned at the bottom of the poultry house and faces the outside of the poultry house; the fresh air fan is arranged at the position of the cold fresh air inlet; the air supply pipe is provided with a warm fresh air outlet; the warm fresh air outlet faces the roof of the poultry house obliquely upwards; the cold fresh air inlet, the fresh air heat exchanger, the air supply pipe and the warm fresh air outlet are communicated in sequence to form an air inlet pipeline; the poultry house external cold fresh air passes through the cold fresh air inlet enters the fresh air heat exchanger and exchanges heat with circulating liquid in the fresh air heat exchanger, and then the circulating liquid sequentially passes through the air supply pipe and the warm fresh air outlet and enters the poultry house.
Preferably, the exhaust air pipe is arranged in the middle of one side wall of the poultry house; a plurality of warm and turbid air inlets are arranged and axially arranged on the pipe wall of the exhaust air pipe; the aperture of the warm and turbid air inlet is gradually increased from one end of the exhaust air pipe connected with the exhaust heat exchanger to the other end of the exhaust air pipe.
Preferably, the air supply duct is mounted at the top end of the other side wall opposite to the air exhaust duct; the plurality of warm fresh air outlets are arranged and axially arranged on the pipe wall of the air supply pipe; the aperture of the temperature fresh air outlet is gradually reduced from one end of the air supply air pipe connected with the fresh air heat exchanger to the other end of the air supply air pipe.
Preferably, the exhaust heat exchanger comprises an exhaust heat exchanger outer pipe, a first upper cover, a first lower cover and a plurality of first heat exchange tubes;
the first upper sealing cover and the first lower sealing cover are arranged inside the outer pipe of the exhaust heat exchanger at intervals and are connected with the inner pipe wall of the outer pipe of the exhaust heat exchanger in a sealing way to form a first heat exchange cavity;
the first heat exchange tubes are uniformly and longitudinally arranged in the first heat exchange cavity, and two ends of the first heat exchange tubes are respectively connected with the first upper sealing cover and the first lower sealing cover; the first upper sealing cover and the first lower sealing cover are respectively provided with a first through hole at the positions corresponding to the first heat exchange tubes; the first heat exchange tubes are respectively communicated with the warm and turbid gas inlet and the cold and turbid gas outlet through the first through holes;
a first circulating liquid inlet and a first circulating liquid outlet are formed in the pipe wall of the outer pipe of the exhaust heat exchanger; the first circulating liquid inlet, the first heat exchange cavity and the first circulating liquid outlet are communicated in sequence; the first circulating liquid inlet is connected with the circulating liquid cooling pipe and is arranged close to the bottom end of the first heat exchange cavity; and the first circulating liquid outlet is connected with the circulating liquid warm pipe and is arranged close to the top end of the first heat exchange cavity.
Preferably, a first dome is installed at the top end of the outer pipe of the exhaust heat exchanger; a warm and turbid air chamber is formed between the first dome and the first upper sealing cover; the warm and turbid air chamber is communicated with the exhaust air pipe.
Preferably, the bottom end of the outer pipe of the exhaust heat exchanger is provided with a first base; an exhaust gas-liquid separation chamber is formed between the first base and the first lower sealing cover; the cold and turbid air outlet is arranged at one end of the outer pipe of the exhaust heat exchanger close to the first lower sealing cover; a condensate outlet is formed in one end, close to the first base, of the outer pipe of the exhaust heat exchanger; the cold turbid gas outlet and the condensate liquid discharge port are both communicated with the exhaust gas-liquid separation chamber.
Preferably, the fresh air heat exchanger comprises a fresh air heat exchanger outer tube, a second upper sealing cover, a second lower sealing cover and a plurality of second heat exchange tubes;
the second upper sealing cover and the second lower sealing cover are arranged inside the fresh air heat exchanger outer pipe at intervals and are connected with the inner pipe wall of the fresh air heat exchanger outer pipe in a sealing mode to form a second heat exchange cavity;
the second heat exchange tubes are uniformly and longitudinally arranged in a second heat exchange cavity, and two ends of the second heat exchange tubes are respectively connected with the second upper sealing cover and the second lower sealing cover; the second upper sealing cover and the second lower sealing cover are respectively provided with a second through hole at the positions corresponding to the second heat exchange tubes; the second heat exchange tube is respectively communicated with the cold fresh air inlet and the warm fresh air outlet through the second through hole;
a second circulating liquid inlet and a second circulating liquid outlet are formed in the pipe wall of the outer pipe of the fresh air heat exchanger; the second circulating liquid inlet, the second heat exchange cavity and the second circulating liquid outlet are communicated in sequence; the second circulating liquid inlet is connected with the circulating liquid warm pipe and is arranged close to the top end of the second heat exchange cavity; and the second circulating liquid outlet is connected with the circulating liquid cooling pipe and is arranged close to the bottom end of the second heat exchange cavity.
Preferably, a second dome is installed at the top end of the outer pipe of the fresh air heat exchanger, and a second base is installed at the bottom end of the outer pipe of the fresh air heat exchanger; a temperature fresh air chamber is formed between the second dome and the second upper sealing cover; the warm fresh air chamber is communicated with the air supply duct; a cold fresh air chamber is formed between the second base and the second lower sealing cover; the cold fresh air inlet is arranged on the pipe wall of the outer pipe of the fresh air heat exchanger and is communicated with the cold fresh air chamber.
Preferably, the air exhaust duct and the air supply duct are made of PVC; the exhaust heat exchanger and the fresh air heat exchanger are made of stainless steel.
Preferably, the surfaces of the circulating liquid temperature pipe and the circulating liquid cooling pipe are both coated with insulating layers.
According to the technical scheme, compare with prior art, the utility model discloses a birds house ventilation heat recovery, utilize and reduce discharging device, warm dirty air gets into the heat exchanger top of airing exhaust through the tuber pipe of airing exhaust in the birds house, carry out the heat exchange with the circulation liquid among the heat exchanger of airing exhaust, dirty gas top-down cools down gradually, conduct its heat to circulation liquid, reach the purpose that the circulation liquid in the heat exchanger of airing exhaust heaies up gradually from bottom to top, after the dirty gas cooling, wherein substances such as contained ammonia and hydrogen sulfide condense, avoided discharging to the atmosphere with gaseous form, and simultaneously, can also collect the ammonia after the condensation and substances such as hydrogen sulfide and use as fertilizer, avoid causing atmospheric pollution.
Outdoor fresh air enters the fresh air heat exchanger through the cold fresh air inlet, the cold fresh air exchanges heat with the heated circulating liquid, so that the cold fresh air is gradually heated from bottom to top, and the heated circulating liquid forms warm fresh air which is blown to the poultry house. The cooled circulating liquid exchanges heat with warm indoor foul air again, and the heat energy can be fully recovered in such a reciprocating way, the heat recovery efficiency can reach more than 90%, and the air quality in the poultry house is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the circulating liquid flow direction, the foul air flow direction and the fresh air flow direction in the poultry house ventilation heat recovery, utilization and emission reduction device provided by the present invention; the single arrow indicates the flow direction of the circulating liquid, and the double arrows indicate the flow direction of the foul air and the flow direction of the fresh air;
FIG. 2 is a schematic view of the installation position of the poultry house ventilation heat recovery, utilization and emission reduction device provided by the present invention;
FIG. 3 is a schematic structural view of an exhaust heat exchanger according to the present invention;
fig. 4 is a schematic structural diagram of a fresh air heat exchanger provided by the present invention;
fig. 5 is a top view of the first upper cover, the first lower cover, the second upper cover or the second lower cover provided by the present invention;
FIG. 6 is a schematic structural view of an air supply duct according to the present invention;
fig. 7 is a schematic structural diagram of an exhaust air duct provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the embodiment of the utility model discloses a poultry house ventilation heat recovery, utilization and emission reduction device includes: the system comprises an exhaust heat exchanger 1, a fresh air heat exchanger 2, an exhaust air pipe 3, an air supply air pipe 4, a circulating liquid warm pipe 5, a circulating liquid cold pipe 6, an exhaust fan 7, a fresh air fan 8 and a circulating pump 9;
the circulating liquid cooling pipe 6, the exhaust heat exchanger 1, the circulating liquid warm pipe 5 and the fresh air heat exchanger 2 are communicated in sequence to form a circulating liquid circulating pipeline; the circulating pump 9 is arranged on the circulating liquid circulating pipeline;
the exhaust air duct 3 is provided with a warm and turbid air inlet 301; the exhaust air heat exchanger 1 has a foul air outlet 101; the warm foul air inlet 301 is directed towards the birds in the poultry house; the cool and turbid air outlet 101 is positioned at the bottom of the poultry house and faces the outside of the poultry house; the exhaust fan 7 is arranged at the position of the cold and turbid air outlet 101; the warm and turbid air inlet 301, the exhaust air pipe 3, the exhaust heat exchanger 1 and the cold and turbid air outlet 101 are communicated in sequence to form an exhaust pipeline;
the fresh air heat exchanger 2 is provided with a cold fresh air inlet 201; the cold fresh air inlet 201 is positioned at the bottom of the poultry house and faces the outside of the poultry house; the fresh air fan 8 is arranged at the position of the cold fresh air inlet 201; the air supply duct 4 is provided with a warm fresh air outlet 401; the warm fresh air outlet 401 faces upwards to the roof of the poultry house; the cold fresh air inlet 201, the fresh air heat exchanger 2, the air supply duct 4 and the warm fresh air outlet 401 are communicated in sequence to form an air inlet pipeline.
Specifically, the circulating liquid warm pipe 5 and the circulating liquid cold pipe 6 can be respectively provided with PPR water supply pipes with the diameter of 400 mm.
In one embodiment, as shown in fig. 2 and 7, the exhaust duct 3 is installed at a middle position of one side wall of the poultry house; a plurality of warm and turbid air inlets 301 are arranged and axially arranged on the pipe wall of the exhaust air pipe 3; the aperture of the warm and turbid air inlet 301 gradually increases from one end of the exhaust air duct 3 connected with the exhaust heat exchanger 1 to the other end. Specifically, the air exhaust duct 3 is a PVC circular duct with a diameter of 400mm, a wall thickness of 5mm and a length of about 10 m. The utility model discloses according to the hydrodynamics principle, fluid is the intraductal velocity of flow faster promptly, and interior pressure is less, and the aperture through warm and turbid gas entry 301 changes in order to realize the purpose that equivalent evenly admits air.
As shown in fig. 2 and 6, the supply duct 4 is installed at the top end of the other side wall opposite to the exhaust duct 3; a plurality of warm fresh air outlets 401 are arranged and axially arranged on the wall of the air supply duct 4; the aperture of the warm fresh air outlet 401 gradually decreases from one end of the air supply duct 4 connected with the fresh air heat exchanger 2 to the other end. Specifically, the air supply duct 4 is a circular PVC pipe having a diameter of 400mm, a wall thickness of 5mm, and a length of about 10 m. The utility model discloses can realize the even air-out of equivalent.
In another embodiment, as shown in fig. 3, the exhaust heat exchanger 1 includes an exhaust heat exchanger outer tube 102, a first upper cover 103, a first lower cover 104, and a plurality of first heat exchange tubes 105;
the first upper cover 103 and the first lower cover 104 are installed inside the outer tube 102 of the exhaust heat exchanger at intervals and are connected with the inner tube wall of the outer tube 102 of the exhaust heat exchanger in a sealing way to form a first heat exchange cavity 106;
the first heat exchange tubes 105 are uniformly and longitudinally arranged in the first heat exchange cavity 106, and two ends of the first heat exchange tubes are respectively connected with the first upper sealing cover 103 and the first lower sealing cover 104; the first upper sealing cover 103 and the first lower sealing cover 104 are respectively provided with first through holes 1031 at positions corresponding to the first heat exchange tubes 105; the first heat exchange tubes 105 are respectively communicated with the warm and turbid air inlet 301 and the cool and turbid air outlet 101 through the first through holes 1031;
the pipe wall of the outer pipe 102 of the exhaust heat exchanger is provided with a first circulating liquid inlet 1021 and a first circulating liquid outlet 1022; the first circulating liquid inlet 1021, the first heat exchange cavity 106 and the first circulating liquid outlet 1022 are communicated in sequence; the first circulating liquid inlet 1021 is connected with the circulating liquid cooling pipe 6 and is arranged close to the bottom end of the first heat exchange cavity 106; the first circulating liquid outlet 1022 is connected to the circulating liquid warm tube 5 and is disposed near the top end of the first heat exchange chamber 106.
The top end of the outer pipe 102 of the exhaust heat exchanger is provided with a first dome 107; a warm and turbid air chamber 108 is formed between the first dome 107 and the first upper sealing cover 103; the warm and turbid air chamber 108 is communicated with the exhaust air duct 3.
The bottom end of the outer pipe 102 of the exhaust heat exchanger is provided with a first base 109; an exhaust gas-liquid separation chamber 110 is formed between the first base 109 and the first lower cover 104; the cool and turbid air outlet 101 is arranged at one end of the outer pipe 102 of the exhaust heat exchanger close to the first lower sealing cover 104; a condensate outlet 111 is formed at one end of the outer exhaust heat exchanger tube 102 close to the first base 109; the cold mist outlet 101 and the condensate discharge port 111 are both in communication with the exhaust gas-liquid separation chamber 110. The exhaust gas-liquid separation chamber 110 can be connected to a liquid manure storage tank outside the poultry house through a 40mm PVC pipe and a condensate discharge port 111, ammonia gas, hydrogen sulfide and other substances in the air in the poultry house can be converted into ammonium carbonate, ammonium sulfate and the like through a condensation method, the ammonium carbonate, the ammonium sulfate and the like are separated out in a liquid form, and the ammonium carbonate, the ammonium sulfate and the like are recycled to the liquid manure storage tank, so that the fertilizer is utilized, and the atmospheric pollution is reduced.
In other embodiments, as shown in fig. 4, the fresh air heat exchanger 2 includes a fresh air heat exchanger outer tube 202, a second upper sealing cover 203, a second lower sealing cover 204, and a plurality of second heat exchange tubes 205;
the second upper sealing cover 203 and the second lower sealing cover 204 are arranged inside the fresh air heat exchanger outer tube 202 at intervals and are connected with the inner tube wall of the fresh air heat exchanger outer tube 202 in a sealing manner to form a second heat exchange cavity 206;
the second heat exchange tubes 205 are uniformly and longitudinally arranged in the second heat exchange cavity 206, and two ends of the second heat exchange tubes are respectively connected with the second upper sealing cover 203 and the second lower sealing cover 204; the second upper sealing cover 203 and the second lower sealing cover 204 are respectively provided with second through holes 2031 at positions corresponding to the second heat exchange tubes 205; the second heat exchange tube array 205 is respectively communicated with the cold fresh air inlet 201 and the warm fresh air outlet 401 through a second through hole 2031;
a second circulating liquid inlet 2021 and a second circulating liquid outlet 2022 are formed in the pipe wall of the fresh air heat exchanger outer pipe 202; the second circulating liquid inlet 2021, the second heat exchange cavity 206 and the second circulating liquid outlet 2022 are communicated in sequence; the second circulating liquid inlet 2021 is connected with the circulating liquid warm tube 5 and is arranged close to the top end of the second heat exchange cavity 206; the second circulating liquid outlet 2022 is connected to the circulating liquid cooling pipe 6 and is disposed near the bottom end of the second heat exchange chamber 206.
The top end of the fresh air heat exchanger outer tube 202 is provided with a second dome 207, and the bottom end is provided with a second base 208; a warm fresh air chamber 209 is formed between the second dome 207 and the second upper sealing cover 203; the warm fresh air chamber 209 is communicated with the air supply duct 4; a cold fresh air chamber 210 is formed between the second base 208 and the second lower sealing cover 204; the cold fresh air inlet 201 is arranged on the pipe wall of the fresh air heat exchanger outer pipe 202 and is communicated with the cold fresh air chamber 210.
Specifically, the outer tube 202 of the fresh air heat exchanger is a non-pressure container, and is two galvanized iron tubes with the outer diameter of 600mm, the wall thickness of 2-3 mm and the length of 310mm, and two ends of the galvanized iron tubes are provided with external flanges. A second circulating liquid outlet 2022 and a second circulating liquid inlet 2021 which are respectively arranged at positions 100mm away from the upper end and the lower end of the galvanized iron pipe
The second upper cover 203 is a stainless steel disc with a diameter of 594mm and a thickness of 3 mm. The second lower sealing cover 204 adopts a stainless steel disc with the diameter of 594mm and the thickness of 5 mm; and 33 holes with a diameter of 76mm are formed in the disc according to the pattern of fig. 5, and the holes are second through holes 1031.
33 stainless steel tubes with the outer diameter of 76mm, the wall thickness of 1.2-1.5 mm and the length of 3000mm are selected as the second heat exchange tubes 205.
Two ends of the second heat exchange tube array 205 are respectively welded at the positions of the second through holes 2031 of the second upper sealing cover 203 and the second lower sealing cover 204 to realize sealing, so that a heat exchange tube array core of the fresh air heat exchanger is formed.
The specific manufacturing process of the cold fresh air chamber 210 in the fresh air heat exchanger 2 is as follows: selecting a stainless steel cylinder with the outer diameter of 600mm, the wall thickness of 3mm and the length of 500mm, and welding a flange corresponding to the outer pipe 202 of the fresh air heat exchanger at the upper end; a stainless steel disc with the diameter of 700mm and the thickness of 5mm is welded at the lower end, and 6 mounting holes with the diameter of 16 are drilled at the position 4mm away from the edge of the disc and are uniformly distributed; constituting a second base 208. And a hole with the diameter of 400mm is formed at the center of 250mm away from the upper end of the stainless steel barrel, the outer diameter of 400mm is welded, and a stainless steel pipe with a flange, with the length of about 300mm, forms a cooling fresh air inlet 201.
The second dome 207 is made of PVC material, the thickness is 5mm, the outer diameter is 600mm, 400mm is changed into a channel bend, and two ends of the second dome are provided with flanges.
The exhaust air heat exchanger 1 corresponds to the fresh air heat exchanger 2 in terms of material selection and manufacturing process and is not described here.
The assembly process of the fresh air heat exchanger 2 is as follows: the lower end of the heat exchange array core of the fresh air heat exchanger 2 is connected with a warm fresh air chamber 209 and a cold fresh air chamber 210 through flanges, and a cold fresh air inlet 201 faces the poultry house 100; the fresh air is discharged from the wall and is 90 degrees clockwise from the second circulating liquid outlet 2022; the temperature fresh air chamber 209 is connected through a flange, and the temperature fresh air outlet 401 and the cold fresh air inlet 201 are in a 90-degree anticlockwise direction.
The assembly process of the exhaust air heat exchanger 1 is as follows: the lower end of the heat exchange array core of the exhaust heat exchanger 1 is connected with an exhaust gas-liquid separation chamber 110 through a flange, and the direction of a cool and turbid gas outlet 101 faces to the poultry house 100; an exhaust gable wall, which is arranged at 90 degrees anticlockwise from the first circulating liquid inlet 1021; the upper temperature foul air chamber 108 is connected by a flange, and the foul air inlet and the cold foul air outlet 101 in the housing are rotated by 90 degrees clockwise.
In one embodiment, the surfaces of the circulating liquid warm pipe 5 and the circulating liquid cold pipe 6 are both coated with heat insulating layers.
In another embodiment, the circulating liquid cooling pipe 6 can be buried under the ground for more than 1 m, and if passing through the poultry house, a heat insulation layer is added to prevent heat exchange with the indoor space. The circulating liquid temperature pipe 5 can be directly arranged along the ground wall root of the length direction of the poultry house 100.
More favourable, the embodiment of the utility model provides an air exhaust heat exchanger 1, new trend heat exchanger 2, air exhaust fan 7, new trend fan 8 and circulating pump 9 all are connected with silencing device, can reduce the produced noise of high-speed fan by a wide margin, and the noise can than original reduction more than 80%.
In other embodiments, the circulating liquid can be tap water, and if the winter equipment is not used, the water needs to be drained clean so as not to freeze the circulating liquid circulating pipeline, or the anti-freezing liquid is used for replacing the tap water.
The utility model discloses work flow does: warm dirty air in the poultry house enters the top end of the exhaust heat exchanger 1 through the exhaust air pipe 3 and exchanges heat with circulating liquid flowing through the first heat exchange cavity 106 in the exhaust heat exchanger 1, the temperature of the dirty air is gradually reduced from top to bottom, the heat of the dirty air is conducted to the circulating liquid, the purpose of gradually increasing the temperature of the circulating liquid in the exhaust heat exchanger 1 from bottom to top is achieved, substances such as ammonia gas and hydrogen sulfide contained in the dirty air are condensed after the temperature of the dirty air is reduced, the dirty air is discharged out of the poultry house through the condensate liquid discharge port 111, the phenomenon that the air is polluted by the atmosphere in a gaseous state is avoided, and meanwhile, the condensed substances such as the ammonia gas and the hydrogen sulfide can be collected to be used as fertilizers.
Outdoor fresh air enters the fresh air heat exchanger 2 through the cold fresh air inlet 201, the cold fresh air exchanges heat with circulating liquid flowing through the second heat exchange cavity 206 after being heated, so that the cold fresh air is gradually heated from bottom to top, and warm fresh air is formed after being heated and blown to the poultry house. The cooled circulating liquid exchanges heat with warm indoor foul air again, and the heat energy can be fully recovered in such a reciprocating way, the heat recovery efficiency can reach more than 90%, and the air quality in the poultry house is improved.
And simultaneously, the utility model discloses a 24 hours balanced pressure ventilation mode avoids the negative pressure ventilation to arouse the problem of animal oxygen deficiency.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a birds house ventilation heat recovery, utilization and reduce discharging device which characterized in that includes: the system comprises an exhaust heat exchanger (1), a fresh air heat exchanger (2), an exhaust air pipe (3), an air supply air pipe (4), a circulating liquid warm pipe (5), a circulating liquid cold pipe (6), an exhaust fan (7), a fresh air fan (8) and a circulating pump (9);
the circulating liquid cooling pipe (6), the exhaust heat exchanger (1), the circulating liquid warm pipe (5) and the fresh air heat exchanger (2) are communicated in sequence to form a circulating liquid circulating pipeline; the circulating pump (9) is arranged on the circulating liquid circulating pipeline;
the exhaust air pipe (3) is provided with a warm and turbid air inlet (301); the exhaust air heat exchanger (1) is provided with a cool and turbid air outlet (101); the warm foul air inlet (301) is directed towards the poultry in the poultry house; the cool and turbid air outlet (101) is positioned at the bottom of the poultry house and faces the outside of the poultry house; the exhaust fan (7) is arranged at the position of the cold and turbid air outlet (101); the warm foul air inlet (301), the exhaust air pipe (3), the exhaust heat exchanger (1) and the cool foul air outlet (101) are communicated in sequence to form an exhaust pipeline;
the fresh air heat exchanger (2) is provided with a cold fresh air inlet (201); the cold fresh air inlet (201) is positioned at the bottom of the poultry house and faces the outside of the poultry house; the fresh air fan (8) is arranged at the position of the cold fresh air inlet (201); the air supply duct (4) is provided with a warm fresh air outlet (401); the warm fresh air outlet (401) faces upwards to the roof of the poultry house in an inclined mode; the cold fresh air inlet (201), the fresh air heat exchanger (2), the air supply pipe (4) and the warm fresh air outlet (401) are communicated in sequence to form an air inlet pipeline.
2. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 1, wherein the exhaust air duct (3) is installed at the middle position of one side wall of the poultry house; a plurality of warm and turbid air inlets (301) are arranged and axially arranged on the pipe wall of the exhaust air pipe (3); the aperture of the warm and turbid air inlet (301) is gradually increased from one end of the exhaust air pipe (3) connected with the exhaust heat exchanger (1) to the other end.
3. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 1, wherein the air supply duct (4) is installed at the top end of the other side wall opposite to the air exhaust duct (3); a plurality of warm fresh air outlets (401) are arranged and axially arranged on the wall of the air supply duct (4); the aperture of the warm fresh air outlet (401) is gradually reduced from one end of the air supply air pipe (4) connected with the fresh air heat exchanger (2) to the other end.
4. A poultry house ventilation heat recovery, utilization and emission reduction device according to claim 1, characterized in that the exhaust air heat exchanger (1) comprises an exhaust air heat exchanger outer tube (102), a first upper cover (103), a first lower cover (104) and a plurality of first heat exchange tubes (105);
the first upper cover (103) and the first lower cover (104) are arranged inside the outer pipe (102) of the exhaust heat exchanger at intervals and are connected with the inner pipe wall of the outer pipe (102) of the exhaust heat exchanger in a sealing way to form a first heat exchange cavity (106);
the first heat exchange tubes (105) are uniformly and longitudinally arranged in a first heat exchange cavity (106), and two ends of the first heat exchange tubes are respectively connected with the first upper sealing cover (103) and the first lower sealing cover (104); the positions of the first upper sealing cover (103) and the first lower sealing cover (104) corresponding to the first heat exchange tubes (105) are respectively provided with first through holes (1031); the first heat exchange tubes (105) are respectively communicated with the warm and turbid air inlet (301) and the cool and turbid air outlet (101) through the first through holes (1031);
a first circulating liquid inlet (1021) and a first circulating liquid outlet (1022) are formed in the pipe wall of the outer pipe (102) of the exhaust heat exchanger; the first circulating liquid inlet (1021), the first heat exchange cavity (106) and the first circulating liquid outlet (1022) are communicated in sequence; the first circulating liquid inlet (1021) is connected with the circulating liquid cooling pipe (6) and is arranged close to the bottom end of the first heat exchange cavity (106); the first circulating liquid outlet (1022) is connected with the circulating liquid warm pipe (5) and is arranged close to the top end of the first heat exchange cavity (106).
5. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 4, characterized in that a first dome (107) is installed at the top end of the outer exhaust heat exchanger tube (102); a warm and foul air chamber (108) is formed between the first dome (107) and the first upper cover (103); the warm and turbid air chamber (108) is communicated with the exhaust air pipe (3).
6. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 4, characterized in that the bottom end of the outer exhaust heat exchanger tube (102) is provided with a first base (109); an exhaust gas-liquid separation chamber (110) is formed between the first base (109) and the first lower cover (104); the cold and turbid air outlet (101) is arranged at one end of the outer pipe (102) of the exhaust heat exchanger close to the first lower sealing cover (104); a condensate outlet (111) is formed in one end, close to the first base (109), of the exhaust heat exchanger outer pipe (102); the cold mist outlet (101) and the condensate discharge port (111) are both communicated with the exhaust gas-liquid separation chamber (110).
7. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 1, wherein the fresh air heat exchanger (2) comprises a fresh air heat exchanger outer tube (202), a second upper sealing cover (203), a second lower sealing cover (204) and a plurality of second heat exchange tubes (205);
the second upper sealing cover (203) and the second lower sealing cover (204) are arranged inside the fresh air heat exchanger outer pipe (202) at intervals and are connected with the inner pipe wall of the fresh air heat exchanger outer pipe (202) in a sealing mode to form a second heat exchange cavity (206);
the second heat exchange tubes (205) are uniformly and longitudinally arranged in a second heat exchange cavity (206), and two ends of the second heat exchange tubes are respectively connected with the second upper sealing cover (203) and the second lower sealing cover (204); second through holes (2031) are respectively formed in the positions of the second upper sealing cover (203) and the second lower sealing cover (204) corresponding to the second heat exchange tubes (205); the second heat exchange tube (205) is respectively communicated with the cold fresh air inlet (201) and the warm fresh air outlet (401) through the second through hole (2031);
a second circulating liquid inlet (2021) and a second circulating liquid outlet (2022) are formed in the pipe wall of the fresh air heat exchanger outer pipe (202); the second circulating liquid inlet (2021), the second heat exchange cavity (206) and the second circulating liquid outlet (2022) are communicated in sequence; the second circulating liquid inlet (2021) is connected with the circulating liquid warm pipe (5) and is arranged close to the top end of the second heat exchange cavity (206); the second circulating liquid outlet (2022) is connected with the circulating liquid cooling pipe (6) and is arranged close to the bottom end of the second heat exchange cavity (206).
8. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 7, wherein a second dome (207) is installed at the top end of the outer tube (202) of the fresh air heat exchanger, and a second base (208) is installed at the bottom end of the outer tube; a warm fresh air chamber (209) is formed between the second dome (207) and the second upper sealing cover (203); the warm fresh air chamber (209) is communicated with the air supply duct (4); a cold fresh air chamber (210) is formed between the second base (208) and the second lower sealing cover (204); the cold fresh air inlet (201) is arranged on the pipe wall of the fresh air heat exchanger outer pipe (202) and communicated with the cold fresh air chamber (210).
9. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 1, wherein the exhaust air pipe (3) and the supply air pipe (4) are made of PVC; the exhaust heat exchanger (1) and the fresh air heat exchanger (2) are made of stainless steel.
10. The poultry house ventilation heat recovery, utilization and emission reduction device according to claim 1, characterized in that the surfaces of the circulating liquid warm pipe (5) and the circulating liquid cold pipe (6) are coated with heat insulation layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120247595.6U CN214853605U (en) | 2021-01-28 | 2021-01-28 | Poultry house ventilation heat recovery, utilization and emission reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120247595.6U CN214853605U (en) | 2021-01-28 | 2021-01-28 | Poultry house ventilation heat recovery, utilization and emission reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214853605U true CN214853605U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120247595.6U Expired - Fee Related CN214853605U (en) | 2021-01-28 | 2021-01-28 | Poultry house ventilation heat recovery, utilization and emission reduction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214853605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112931290A (en) * | 2021-01-28 | 2021-06-11 | 青岛市畜牧兽医研究所(青岛市畜牧工作站) | Poultry house ventilation heat recovery, utilization and emission reduction device |
| CN114651729A (en) * | 2022-03-28 | 2022-06-24 | 延寿县润和养殖专业合作社 | Air conditioning system and method in cultivation shed |
-
2021
- 2021-01-28 CN CN202120247595.6U patent/CN214853605U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112931290A (en) * | 2021-01-28 | 2021-06-11 | 青岛市畜牧兽医研究所(青岛市畜牧工作站) | Poultry house ventilation heat recovery, utilization and emission reduction device |
| CN112931290B (en) * | 2021-01-28 | 2024-07-05 | 青岛市畜牧兽医研究所(青岛市畜牧工作站) | Poultry house ventilation heat recovery, utilization and emission reduction device |
| CN114651729A (en) * | 2022-03-28 | 2022-06-24 | 延寿县润和养殖专业合作社 | Air conditioning system and method in cultivation shed |
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Granted publication date: 20211126 |