CN218011924U - Methane emission reduction recycling type beef cattle breeding house - Google Patents

Methane emission reduction recycling type beef cattle breeding house Download PDF

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Publication number
CN218011924U
CN218011924U CN202221476005.8U CN202221476005U CN218011924U CN 218011924 U CN218011924 U CN 218011924U CN 202221476005 U CN202221476005 U CN 202221476005U CN 218011924 U CN218011924 U CN 218011924U
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cavity
separation
chamber
communicated
pipe
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王胜
江杰
崔树谦
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Shandong Shengwei Animal Husbandry Co ltd
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Shandong Shengwei Animal Husbandry Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/20Capture or disposal of greenhouse gases of methane

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Abstract

The utility model provides a methane emission reduction type beef cattle breeding house of recycling relates to beef cattle breeding technical field, including the cowshed, first heat exchanger and methane recovery unit, methane recovery unit is including handling the box, the first separation chamber that feeds through in proper order has set gradually in the processing box, the cooling chamber, second separation chamber and inhale cold chamber, first separation chamber is linked together through second breather pipe and first heat exchanger, first separation chamber intercommunication first drain pipe, second separation chamber intercommunication second drain pipe, it has the blast pipe to inhale cold chamber intercommunication, the cooling chamber is through first communicating pipe intercommunication second heat exchanger, the cooling chamber is through second communicating pipe intercommunication first heat exchanger, it feeds through first heat exchanger through third communicating pipe to inhale cold chamber, it feeds through second heat exchanger through fourth communicating pipe to inhale cold chamber, the utility model discloses a recovery processing to methane in breeding the waste gas, realized reducing discharging and recycling to methane, solved a large amount of methane and wasted problem, also reduced the influence of breeding the waste gas to environment climate simultaneously.

Description

Methane emission reduction recycling type beef cattle breeding house
Technical Field
The utility model belongs to the technical field of the beef cattle cultivation technique and specifically relates to a house is bred to methane emission reduction type beef cattle of recycling.
Background
In recent years, with the increasing demand of the national people for beef, the scale of beef cattle breeding in China is also continuously enlarged, which directly leads to the increase of methane emission from gastrointestinal tracts of beef cattle, and the increase of the methane emission from the gastrointestinal tracts becomes one of the important challenges of the China in achieving the double-carbon goal. Because the life of methane in the atmosphere is short, the opportunity is provided for realizing the climate neutrality in the animal husbandry, and the prediction data shows that if the methane emission of the gastrointestinal tract of the ruminant livestock is reduced by 55%, the animal husbandry in China is expected to reach the climate neutrality in 2050. Therefore, in the future, the attention on the methane emission reduction of the gastrointestinal tract of the ruminant livestock needs to be increased, and the aim of realizing the zero temperature rise of the livestock farming climate is fulfilled by optimizing the animal source food production mode.
In chinese utility model patent with patent application No. 202020368010.1, a plant exhaust gas purification system is proposed, this patent includes multiunit fan and with the photocatalyst coating of fan one-to-one, filter equipment and anion generator, the main problem that exists of this patent is: this patent is only to carrying out purification treatment to harmful organic matters such as peculiar smell molecule, particle and ammonia, sulfur dioxide and nitrogen oxide in breeding the waste gas, and breed a large amount of methane that contains in the waste gas and not handled, has not only caused the waste of a large amount of methane, and the methane as greenhouse gas is discharged in a large number in the ambient air in addition, still can cause very big influence to environmental climate.
Therefore, a need exists for a methane emission-reducing and recycling type beef cattle breeding house which can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a house is bred to methane emission reduction type beef cattle of recycling has realized the recovery processing to methane in the breed waste gas, has realized reducing discharging and recycling to methane, has solved a large amount of methane by extravagant problem, has also reduced the influence of breed waste gas to environmental climate simultaneously.
The technical scheme of the utility model is realized like this:
the methane emission-reducing and recycling beef cattle breeding house comprises a cattle house, a first heat exchanger and a methane recovery device;
the first heat exchanger is communicated with the cowshed through a first vent pipe;
the methane recovery device comprises a treatment box body, wherein a first separation cavity, a cooling cavity, a second separation cavity and a cold absorption cavity are sequentially arranged in the treatment box body, the lower end in the first separation cavity is communicated with the first heat exchanger through a second vent pipe, the upper end in the first separation cavity is communicated with the cooling cavity through a third vent pipe, a first liquid discharge pipe is arranged at the bottom of the first separation cavity, the lower end in the cooling cavity is communicated with the second separation cavity through a fourth vent pipe, the upper end in the second separation cavity is communicated with the cold absorption cavity through a fifth vent pipe, a second liquid discharge pipe is arranged at the bottom of the second separation cavity, automatic water dischargers are arranged at liquid inlet ends of the first liquid discharge pipe and the second liquid discharge pipe, and a gas discharge pipe is arranged at the lower end in the cold absorption cavity;
the water inlet end of the cooling cavity is communicated with a second heat exchanger through a first communicating pipe, the water outlet end of the cooling cavity is communicated with the first heat exchanger through a second communicating pipe, the water inlet end of the cold suction cavity is communicated with the first heat exchanger through a third communicating pipe, and the water outlet end of the cold suction cavity is communicated with the second heat exchanger through a fourth communicating pipe.
As a preferred technical scheme, a plurality of first separation areas are separated from the interior of the first separation cavity through first partition plates, each first separation area is filled with gravel fillers for reducing the flowing speed of cultivation waste gas, a first liquid storage area is formed between the first partition plate located at the lowest position and the bottom wall of the first separation cavity, each first partition plate is provided with a plurality of first air vents, and the cultivation waste gas sequentially penetrates through each first separation area through the first air vents.
As a preferred technical scheme, a plurality of second separation areas are separated from the interior of the second separation cavity through second partition plates, each second separation area is filled with gravel fillers for slowing down the flowing speed of the aquaculture waste gas, the second partition plates located at the lowest position and the bottom wall of the second separation cavity form a second liquid storage area, each second partition plate is provided with a plurality of second vent holes, and the aquaculture waste gas passes through the second vent holes and sequentially passes through each second separation area.
As a preferable technical scheme, the outer sides of the cooling cavity and the cold absorption cavity are respectively provided with a heat insulation vacuum cavity.
As an optimal technical scheme, a plurality of first cold flow pipes and second cold flow pipes are arranged in the cooling cavity, the first cold flow pipes and the second cold flow pipes are vertically arranged, a first water inlet cavity and a first water outlet cavity are arranged below the cooling cavity, a first communicating cavity is arranged above the cooling cavity, the first cold flow pipes pass through the first water inlet cavity and the first communicating pipe, the first cold flow pipes pass through the first communicating cavity and the second cold flow pipes, and the second cold flow pipes pass through the first water outlet cavity and the second communicating pipe.
As an optimal technical scheme, a plurality of third cold flow pipes and fourth cold flow pipes are arranged in the cold absorption cavity, the third cold flow pipes and the fourth cold flow pipes are vertically arranged, a second water inlet cavity and a second water outlet cavity are arranged below the cold absorption cavity, a second communicating cavity is arranged above the cold absorption cavity, the third cold flow pipes pass through the second water inlet cavity and the third communicating pipe, the third cold flow pipes pass through the second communicating cavity and the fourth cold flow pipes, and the fourth cold flow pipes pass through the second water outlet cavity and the fourth communicating pipe.
As a preferred technical scheme, the air outlet end of the second vent pipe is communicated with the first liquid storage area, the air inlet end of the third vent pipe is communicated with the uppermost first separation area, the air outlet end of the fourth vent pipe is communicated with the second liquid storage area, and the air inlet end of the fifth vent pipe is communicated with the uppermost second separation area.
Adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
because methane emission reduction recycling type beef cattle breeding house includes the cowshed, first heat exchanger and methane recovery unit, methane recovery unit includes first separation chamber, the cooling chamber, second separation chamber and inhales the cold chamber the utility model discloses in, breed waste gas that produces in the cowshed is before leaving the cowshed, use the filter to carry out the filtering to large particle impurity and the dust that contain in breeding the waste gas, then let in first heat exchanger and carry out primary cooling again, make breed waste gas cool to about-120 ℃ in first heat exchanger, the breed waste gas of accomplishing primary cooling enters into first separation chamber and carries out the first separation, get rid of and breed ammonia in the waste gas, gas that boiling point is higher than methane such as hydrogen sulfide, the gas that obtains after the separation enters into the cooling chamber and carries out the second cooling, make it cool to about-158 ℃, gas after the cooling lets in the second separation chamber and carries out the second separation, make the methane that contains in breeding the waste gas condense, gas that boiling point such as carbon monoxide is less than methane enters into and inhales the cold chamber, retrieve some cold volume, the gas of accomplishing the recovery can carry out follow-up after-up the cold volume of processing after discharging.
The utility model discloses in, the cryrogenic separation method has been adopted and has been retrieved methane, utilize first separation chamber ammonia in to breeding waste gas, the gas that boiling points such as hydrogen sulfide are higher than methane separates, utilize the second separation chamber to separate methane, thereby realized the recovery processing to methane in breeding waste gas, obtain methane in the second separation chamber and can regard as the substitution and the replenishment of LPG fuel and natural gas, a power supply for the beef cattle breeding house, heating etc., realized the recovery to methane, reduce discharging, recycle, and then avoided a large amount of methane directly to discharge the external world and cause the condition of influence to the environmental climate to take place, the problem that a large amount of methane is wasted has been solved, the reduction of discharging and recycle to methane has been realized, the influence of breeding waste gas to the environmental climate has been reduced, the breed cost of house is bred to beef cattle has been reduced.
Because first fluid-discharge tube is installed to the bottom of first separation chamber, and the second fluid-discharge tube is installed to the bottom of second separation chamber, and an automatic water drainer is all installed to the feed liquor end of first fluid-discharge tube and second fluid-discharge tube the utility model discloses in, first fluid-discharge tube is used for discharging the liquid material that produces in the first separation chamber, and the second fluid-discharge tube is used for discharging the liquid methane that produces in the first separation chamber, and automatic water drainer's effect prevents that gas from discharging through first fluid-discharge tube and second fluid-discharge tube.
Because the end of intaking of cooling chamber communicates the second heat exchanger through first communicating pipe, the play water end of cooling chamber communicates first heat exchanger through second communicating pipe, the end of intaking of inhaling the cold chamber communicates first heat exchanger through third communicating pipe, the play water end of inhaling the cold chamber communicates the second heat exchanger through fourth communicating pipe and is linked together the utility model discloses in, be used for carrying out refrigerated cold fluid to breed waste gas, at second heat exchanger, cooling chamber, first heat exchanger and inhale the cold intracavity and formed the circulation, cold fluid in the first heat exchanger accomplishes the first time cooling back to breeding waste gas, is let in and inhales the cold intracavity, inhale coldly to the gas of accomplishing the second separation, make the temperature of gas rise, avoided leading to the fact the damage because of the gas temperature is low to subsequent processing apparatus, accomplish the cold fluid of inhaling coldly and let in the second heat exchanger and cool down, the gas after the cooling is let in the cooling intracavity, carry out the second time cooling work to breeding waste gas, the cold fluid of accomplishing the second time cooling work is let in the first heat exchanger, carried out the second time cooling work to breeding waste gas, realized the cold fluid, also accorded with the national energy consumption reduction simultaneously, the energy saving and emission reduction of the novel theory of having also accorded with reducing.
Because first separation chamber is inside to separate into the first separation area of a plurality of through first baffle, and the second separation chamber is inside to separate into a plurality of second separation area through the second baffle, and each first separation area and second separation area intussuseption are all filled with the rubble and pack the utility model discloses in, the effect that the rubble was packed has slowed down the velocity of flow of breeding waste gas, has prolonged the dwell time of breeding waste gas in first separation chamber and second separation chamber for methane in breeding the waste gas obtains abundant separation, has effectively improved the separation effect to methane, has avoided the condition that contains compositions such as a large amount of ammonia, hydrogen sulfide in the liquid methane that obtains after the separation to take place.
Because the cooling chamber all is equipped with a thermal-insulated vacuum cavity with the outside that inhales the cold chamber the utility model discloses in, thermal-insulated vacuum cavity has played thermal-insulated heat retaining effect, has avoided the influence of cooling chamber to first separation intracavity temperature on the one hand, and on the other hand has played and has carried out heat retaining effect to second separation intracavity portion for second separation intracavity portion has guaranteed to separate the effect of withdrawing to methane in being in a relatively stable low temperature environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the methane recovery device of the present invention.
Wherein: 1. a cowshed; 2. a first heat exchanger; 3. a first breather pipe; 4. a treatment box body; 5. a first separation chamber; 6. a cooling chamber; 7. a second separation chamber; 8. a cold suction cavity; 9. a second vent pipe; 10. a third vent pipe; 11. a first drain pipe; 12. a fourth air vent pipe; 13. a fifth ventilation pipe; 14. a second drain pipe; 15. an automatic drainer; 16. an exhaust pipe; 17. a first communication pipe; 18. a second heat exchanger; 19. a second communicating pipe; 20. a third communicating pipe; 21. a fourth communicating pipe; 22. a first separator; 23. a first separation zone; 24. filling crushed stone; 25. a first reservoir region; 26. a first air vent; 27. a second separator; 28. a second separation zone; 29. a second reservoir region; 30. a second vent hole; 31. a heat insulation vacuum cavity; 32. a first cold flow duct; 33. a second cold flow pipe; 34. a first water inlet cavity; 35. a first water outlet cavity; 36. a first communicating chamber; 37. a third cold flow duct; 38. a fourth cold flow duct; 39. a second water inlet cavity; 40. a second water outlet cavity; 41. A second communicating chamber.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2 jointly, house is bred to methane emission reduction recycling type beef cattle, including cowshed 1, first heat exchanger 2 and methane recovery unit, in this embodiment, can set up the air handler who carries out the deodorization degerming to breeding waste gas between cowshed 1 and the first heat exchanger 2, breed waste gas before entering into first heat exchanger 2, need utilize the dust removal filter in the cowshed 1, get rid of the large granule impurity and the dust in breeding the waste gas, in order to avoid large granule impurity and dust to cause the jam to first heat exchanger 2.
The first heat exchanger 2 is communicated with the cowshed 1 through a first vent pipe 3.
Methane recovery unit is including handling the box 4, first separation chamber 5 has set gradually in the handling box 4, cooling chamber 6, second separation chamber 7 and cold chamber 8 that inhales, 5 inside lower extremes of first separation chamber are linked together with first heat exchanger 2 through second breather pipe 9, 5 inside upper ends of first separation chamber are linked together with cooling chamber 6 through third breather pipe 10, first fluid-discharge tube 11 is installed to the bottom of first separation chamber 5, 6 inside lower extremes of cooling chamber are linked together with second separation chamber 7 through fourth breather pipe 12, 7 inside upper ends of second separation chamber are linked together with cold chamber 8 that inhales through fifth breather pipe 13, second fluid-discharge tube 14 is installed to the bottom of second separation chamber 7, an automatic drainer 15 is all installed to the inlet end of first fluid-discharge tube 11 and second fluid-discharge tube 14, inhale cold chamber 8 inside lower extreme and install a blast pipe 16.
The utility model discloses in, the cryrogenic separation method has been adopted and has been retrieved methane, utilize first separation chamber 5 ammonia in to breeding waste gas, the gas that boiling points such as hydrogen sulfide are higher than methane separates, utilize second separation chamber 7 to separate and retrieve methane, thereby realized the recovery processing to breeding methane in the waste gas, obtain in the second separation chamber 7 that methane can regard as the substitution and the replenishment of LPG fuel and natural gas, a power supply for beef cattle breeding house, heating etc., and then solved a large amount of methane by extravagant problem, realized reducing discharging and recycling to methane, the influence of breeding waste gas to the environmental climate has been reduced.
The end of intaking of cooling chamber 6 has second heat exchanger 18 through first communicating pipe 17 intercommunication, and the play water end of cooling chamber 6 is linked together with first heat exchanger 2 through second communicating pipe 19, and the end of intaking of inhaling cold chamber 8 is linked together with first heat exchanger 2 through third communicating pipe 20, and the play water end of inhaling cold chamber 8 is linked together with second heat exchanger 18 through fourth communicating pipe 21 the utility model discloses in, the cold flow body has formed the circulation at second heat exchanger 18, cooling chamber 6, first heat exchanger 2 and inhale cold chamber 8, has realized the make full use of to the cold flow body, has also reduced simultaneously the utility model discloses an energy consumption accords with national energy saving and emission reduction's theory.
Wherein, first separation chamber 5 is inside to be separated into the first separation region 23 of a plurality of through first baffle 22, all fills in each first separation region 23 to have the rubble filler 24 that is used for slowing down the speed of breeding waste gas flow, is located to form first reservoir 25 between the first baffle 22 of below and the 5 diapire of first separation chamber, all is equipped with the first air vent 26 of a plurality of on each first baffle 22, and breed waste gas passes each first separation region 23 through first air vent 26 in proper order.
Inside the second separating chamber 7 is separated into a plurality of second separating zones 28 through second baffle 27, all packs in each second separating zone 28 and is equipped with the rubble filler 24 that is used for slowing down the speed of flow of breed waste gas, is located and forms second storage liquid district 29 between second baffle 27 and the second separating chamber 7 diapire of below, all is equipped with a plurality of second through-hole 30 on each second baffle 27, and breed waste gas passes each second separating zone 28 through second through-hole 30 in proper order.
The utility model discloses in, rubble filler 24's effect has slowed down the mobile speed of breed waste gas in first disengagement chamber 5 and second disengagement chamber 7, has prolonged the dwell time of breeding waste gas in first disengagement chamber 5 and second disengagement chamber 7 for the methane in the breed waste gas obtains abundant separation, has effectively improved the separation effect to methane, and the condition that contains compositions such as a large amount of ammonia, hydrogen sulfide in the liquid methane that has avoided obtaining after the separation takes place.
Moreover, the cooling chamber 6 all is equipped with a thermal-insulated vacuum cavity 31 with the outside that inhales cold chamber 8 the utility model discloses in, thermal-insulated vacuum cavity 31 has played thermal-insulated heat retaining effect, has avoided the influence of cooling chamber 6 to the temperature in the 5 first separation chamber on the one hand, and on the other hand has played and has carried out heat retaining effect to the 7 inside second separation chambers for 7 inside low temperature environment that are in a relatively stable of second separation chamber have guaranteed to separate the effect of withdrawing to methane in the 7 second separation chambers.
Be provided with a plurality of first cold flow pipes 32 and second cold flow pipe 33 in the cooling chamber 6, first cold flow pipe 32 and second cold flow pipe 33 are vertical setting, the below of cooling chamber 6 is provided with first intake antrum 34 and first play water cavity 35, the top of cooling chamber 6 is provided with first communicating chamber 36, first cold flow pipe 32 is linked together with first communicating pipe 17 through first intake antrum 34, first cold flow pipe 32 is linked together with second cold flow pipe 33 through first communicating chamber 36, second cold flow pipe 33 is linked together with second communicating pipe 19 through first play water cavity 35.
Be provided with a plurality of third cold flow pipes 37 and fourth cold flow pipe 38 in inhaling cold chamber 8, third cold flow pipe 37 and fourth cold flow pipe 38 are vertical setting, the below of inhaling cold chamber 8 is provided with second intake antrum 39 and second and goes out water chamber 40, the top of inhaling cold chamber 8 is provided with a second intercommunication chamber 41, third cold flow pipe 37 is linked together through second intake antrum 39 and third communicating pipe 20, third cold flow pipe 37 is linked together through second intercommunication chamber 41 and fourth cold flow pipe 38, fourth cold flow pipe 38 is linked together through second play water chamber 40 and fourth communicating pipe 21.
In addition, the outlet end of the second vent pipe 9 communicates with the first liquid storage region 25, the inlet end of the third vent pipe 10 communicates with the uppermost first separation region 23, the outlet end of the fourth vent pipe 12 communicates with the second liquid storage region 29, and the inlet end of the fifth vent pipe 13 communicates with the uppermost second separation region 28.
Use the utility model discloses the method of retrieving methane in breeding waste gas as follows:
firstly, a second heat exchanger 18 is started, the second heat exchanger 18 cools a cold fluid, the cooled cold fluid enters a cooling cavity 6 through a first communication pipe 17, the cold fluid in the cooling cavity 6 sequentially passes through a first water inlet cavity 34, a first cold flow pipe 32, a first communication cavity 36, a second cold flow pipe 33 and a first water outlet cavity 35 to pre-cool the interior of the cooling cavity 6, the cold fluid in the first water outlet cavity 35 enters a first heat exchanger 2 through a second communication pipe 19, the cold fluid in the first heat exchanger 2 enters a cold absorption cavity 8 through a third communication pipe 20, the cold fluid in the cold absorption cavity 8 sequentially passes through a second water inlet cavity 39, a third cold flow pipe 37, a second communication cavity 41, a fourth cold flow pipe 38 and a second water outlet cavity 40, the interior of a second separation cavity 7 is pre-cooled by the cooling cavity 6 and the cold absorption cavity 8, and the cold fluid in the second water outlet cavity 40 returns to the second heat exchanger 18 through a fourth communication pipe 21 to re-cool the cold fluid;
secondly, feeding breeding waste gas in the cowshed 1 into a first heat exchanger 2 through a first vent pipe 3, cooling the breeding waste gas to about minus 120 ℃ by using the first heat exchanger 2 for the first time, then feeding the breeding waste gas into a first separation cavity 5 through a second vent pipe 9, sequentially passing the breeding waste gas through a first liquid storage area 25 and each first separation area 23 from bottom to top, condensing gases with boiling points higher than methane, such as hydrogen sulfide and ammonia gas, in the breeding waste gas in the first separation cavity 5, removing the gases with boiling points higher than methane, such as hydrogen sulfide and ammonia gas, in the breeding waste gas, liquefying the gases with boiling points higher than methane, such as hydrogen sulfide and ammonia gas, in the first separation cavity 5, and discharging the formed liquid solution through a first liquid discharge pipe 11;
thirdly, the breeding waste gas in the uppermost first separation area 23 enters the cooling cavity 6 through the third vent pipe 10 and passes through the cooling cavity 6 from top to bottom in an S shape, the breeding waste gas is cooled for the second time by using cold fluid in the first cold flow pipe 32 and the second cold flow pipe 33 to be about minus 158 ℃, the cooled breeding waste gas enters the second separation cavity 7 through the fourth vent pipe 12, the breeding waste gas sequentially passes through the second liquid storage area 29 and each second separation area 28 from bottom to top, the breeding waste gas reaches a temperature below minus 161.5 ℃ in the second separation cavity 7, methane in the breeding waste gas is separated in the second separation cavity 7, gas with a boiling point lower than that of the methane, such as carbon monoxide, nitrogen and the like, enters the cold absorption cavity 8 through the fifth vent pipe 13, the methane is liquefied in the second separation cavity 7, the formed liquid methane is discharged through the second liquid discharge pipe 14, and the liquid methane is applied to power supply and heat supply in the beef cattle breeding house as fuel after certain treatment process;
and fourthly, the gas entering the cold absorption cavity 8 passes through the cold absorption cavity 8 in an S shape from top to bottom, the low-temperature gas exchanges heat with cold fluid in the cold absorption cavity 8, the temperature of the gas is increased, the temperature of the cold fluid is reduced, the recovery of cold quantity in the gas is realized, and the gas for completing the cold quantity recovery is discharged through the exhaust pipe 16.
To sum up, the utility model provides a house is bred to methane emission reduction type beef cattle of recycling has realized the recovery processing to methane in the breed waste gas, has realized reducing discharging and recycling to methane, has solved a large amount of methane by extravagant problem, has also reduced the influence of breed waste gas to the environmental climate simultaneously.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The methane emission-reducing and recycling beef cattle breeding house is characterized by comprising a cattle house, a first heat exchanger and a methane recovery device;
the first heat exchanger is communicated with the cowshed through a first vent pipe;
the methane recovery device comprises a treatment box body, wherein a first separation cavity, a cooling cavity, a second separation cavity and a cold absorption cavity are sequentially arranged in the treatment box body, the lower end in the first separation cavity is communicated with the first heat exchanger through a second vent pipe, the upper end in the first separation cavity is communicated with the cooling cavity through a third vent pipe, a first liquid discharge pipe is arranged at the bottom of the first separation cavity, the lower end in the cooling cavity is communicated with the second separation cavity through a fourth vent pipe, the upper end in the second separation cavity is communicated with the cold absorption cavity through a fifth vent pipe, a second liquid discharge pipe is arranged at the bottom of the second separation cavity, automatic water dischargers are respectively arranged at liquid inlet ends of the first liquid discharge pipe and the second liquid discharge pipe, and a gas discharge pipe is arranged at the lower end in the cold absorption cavity;
the water inlet end of the cooling cavity is communicated with a second heat exchanger through a first communicating pipe, the water outlet end of the cooling cavity is communicated with the first heat exchanger through a second communicating pipe, the water inlet end of the cold suction cavity is communicated with the first heat exchanger through a third communicating pipe, and the water outlet end of the cold suction cavity is communicated with the second heat exchanger through a fourth communicating pipe.
2. The methane emission reduction and recycling beef cattle breeding house according to claim 1, wherein the interior of the first separation chamber is divided into a plurality of first separation areas by first partition plates, each first separation area is filled with a gravel filler for reducing the flow speed of breeding waste gas, a first liquid storage area is formed between the first partition plate located at the lowest position and the bottom wall of the first separation chamber, each first partition plate is provided with a plurality of first vent holes, and the breeding waste gas sequentially passes through each first separation area through the first vent holes.
3. The methane emission reduction and recycling beef cattle breeding house according to claim 2, wherein the interior of the second separation chamber is divided into a plurality of second separation areas by second partition plates, each second separation area is filled with a gravel filler for reducing the flow velocity of breeding exhaust gas, a second liquid storage area is formed between the lowermost second partition plate and the bottom wall of the second separation chamber, each second partition plate is provided with a plurality of second vent holes, and the breeding exhaust gas passes through each second separation area through the second vent holes in sequence.
4. The methane emission reduction and recycling beef cattle breeding house according to claim 3, wherein the cooling chamber and the cooling suction chamber are provided with a heat insulation vacuum chamber at the outer side.
5. The methane emission reduction and recycling beef cattle breeding house according to claim 4, wherein a plurality of first cold flow pipes and second cold flow pipes are arranged in the cooling cavity, the first cold flow pipes and the second cold flow pipes are vertically arranged, a first water inlet cavity and a first water outlet cavity are arranged below the cooling cavity, a first communicating cavity is arranged above the cooling cavity, the first cold flow pipes are communicated with the first communicating pipe through the first water inlet cavity, the first cold flow pipes are communicated with the second cold flow pipes through the first communicating cavity, and the second cold flow pipes are communicated with the second communicating pipe through the first water outlet cavity.
6. The methane emission reduction recycling beef cattle breeding house according to claim 5, wherein a plurality of third cold flow pipes and fourth cold flow pipes are arranged in the cold absorption chamber, the third cold flow pipes and the fourth cold flow pipes are vertically arranged, a second water inlet chamber and a second water outlet chamber are arranged below the cold absorption chamber, a second communicating chamber is arranged above the cold absorption chamber, the third cold flow pipes are communicated with the third communicating pipe through the second water inlet chamber, the third cold flow pipes are communicated with the fourth cold flow pipes through the second communicating chamber, and the fourth cold flow pipes are communicated with the fourth communicating pipe through the second water outlet chamber.
7. The methane emission reduction and recycling beef cattle breeding house according to claim 6, wherein an outlet end of the second vent pipe is communicated with the first liquid storage area, an inlet end of the third vent pipe is communicated with the uppermost first separation area, an outlet end of the fourth vent pipe is communicated with the second liquid storage area, and an inlet end of the fifth vent pipe is communicated with the uppermost second separation area.
CN202221476005.8U 2022-06-14 2022-06-14 Methane emission reduction recycling type beef cattle breeding house Active CN218011924U (en)

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CN202221476005.8U CN218011924U (en) 2022-06-14 2022-06-14 Methane emission reduction recycling type beef cattle breeding house

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Application Number Priority Date Filing Date Title
CN202221476005.8U CN218011924U (en) 2022-06-14 2022-06-14 Methane emission reduction recycling type beef cattle breeding house

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CN218011924U true CN218011924U (en) 2022-12-13

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