CN107912305A - One kind cold ground ventilating system of pigsty - Google Patents
One kind cold ground ventilating system of pigsty Download PDFInfo
- Publication number
- CN107912305A CN107912305A CN201711130496.4A CN201711130496A CN107912305A CN 107912305 A CN107912305 A CN 107912305A CN 201711130496 A CN201711130496 A CN 201711130496A CN 107912305 A CN107912305 A CN 107912305A
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- China
- Prior art keywords
- exhaust
- exhaust duct
- pig house
- ventilating system
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000010865 sewage Substances 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 23
- 238000004332 deodorization Methods 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000000505 pernicious effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000384 rearing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0052—Arrangement of fans or blowers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention discloses one kind cold ground ventilating system of pigsty, the cold ground ventilating system of pigsty includes pig house and ventilating system：Ventilating system includes intake stack and exhaust duct, intake stack successively by between new wind turbine, heat conversion equipment, temperature control, blast pipe, fresh wind port, backplate form；Exhaust duct successively by between exhaust outlet one, exhaust outlet two, exhaust duct one, exhaust duct two, guide valve, heat conversion equipment, exhaust-gas treatment, exhaust fan unit into.The present invention can effectively recycle pig house dissipated heat, have the advantages such as pig house good heat preservation performance, Uniform Ventilation, the energy saving, efficiency that scavenges height, the living environment of pig is significantly improved, while reduce the pollution to environment.
Description
Technical field
The present invention relates to a kind of livestock and poultry cultivation field, is a kind of cold ground ventilating system of pigsty.
Background technology
Cold ground pig house winter indoor/outdoor temperature-difference is big, keeps the suitable temperature of pig house, humidity, the concentration pair for reducing pernicious gas
In cold ground, pig-breeding is particularly important technological means.Existing cold ground pig house generally all by seal and install heating system come
Realize that pig house is kept the temperature, the reduction of humidity and harmful gas concentration in pig house is realized by strengthening ventilation, but winter pig house seals
Insulation is conflicting with reducing pig house humidity and harmful gas concentration, is often attended to one thing and lose sight of another in produce reality, Er Qiesui
The entrance of cold air, air flow certainly will be produced in house and forms cold wind, be easy to cause pig flu.
The content of the invention
The present invention mainly solves the problems, such as the aeration technology present in existing cold ground pig house, so as to provide a kind of cold ground pig house
Ventilating system.The present invention can reduce the heat that waste fermentation produces in bubble excrement sewage ditch and lose and discharge heat in exhaust process
The loss of amount.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
One kind cold ground ventilating system of pigsty, the cold ground ventilating system of pigsty include pig house and ventilating system：Pig house by
Insulating layer, raising area, bubble excrement sewage ditch, corridor composition, insulating layer, raising area are located above the ground, bubble excrement sewage ditch position
In below ground；Insulating layer is provided with skylight, several feed units are distinguished in raising, and each feed unit has passageway and 1 to 2 square
Shape group rearing swinery, pig house both sides are provided with southern window and north window；Ventilating system includes intake stack and exhaust duct, and intake stack is successively
By between new wind turbine, heat conversion equipment, temperature control, blast pipe, fresh wind port, backplate form；Exhaust duct is successively by exhaust outlet one, row
Between air port two, exhaust duct one, exhaust duct two, guide valve, heat conversion equipment, exhaust-gas treatment, exhaust fan unit into.
As the further technical solution of the present invention, bubble excrement sewage ditch is equipped with sealing device and deodorization device of air, in water
Exhaust outlet one and exhaust outlet two are equipped with bubble excrement sewage ditch side wall successively, exhaust outlet one is located above sealing device and exhaust duct one
Connection, exhaust outlet two is located at below sealing device to be connected with exhaust duct two, and exhaust duct one passes through guide valve and heat with exhaust duct two
Conversion equipment connection is measured, guide valve is often connected with exhaust duct one, disconnected with exhaust duct two, pernicious gas in discharge house, only clearly
When managing the waste on sealing device, guide valve turns open air exhaust pipe two before sealing device unlatching, is disconnected with exhaust duct one, discharges water
Pernicious gas in excrement sewage ditch is steeped, avoids pernicious gas from entering raising area in sealing device opening process, device to be sealed is clear
After reason is finished and is re-closing off, guide valve goes back to exhaust duct one, is disconnected with exhaust duct two.
As the further technical solution of the present invention, sealing device is in normally off, by waste ferment caused by have
Evil air seal is in bubble excrement sewage ditch, and sealing device is by robot control system(RCS) time opening, by the new generation on sealing device
Waste be cleaned in bubble excrement sewage ditch.
As the further technical solution of the present invention, heat conversion equipment is located at bubble excrement sewage ditch bottom, by flue gas leading
It is socketed and forms with fresh wind tube, flue gas leading is internally positioned, and fresh wind tube can outwards recycle bubble excrement sewage ditch positioned at outside, fresh wind tube
Heat caused by interior waste fermentation, can inwardly recycle the heat that flue gas leading distributes.
As the further technical solution of the present invention, it is located at pig house north side between exhaust-gas treatment, highly with north window lower edge etc.
Height, is advisable with not influencing windowing, and the gas after processing is discharged by exhaust blower.
As the further technical solution of the present invention, fresh air machine is located in the inlet plenum of pig house southern side, and new wind turbine send air
Enter the fresh wind tube in heat conversion equipment, fresh wind tube is directed the air between temperature control, after air is adjusted to pig house temperature between temperature control
Air is sent into blast pipe, air enters pig house through fresh wind port.
As the further technical solution of the present invention, fresh wind port port of export installation backplate, to adjust wind direction, avoids fresh air
It is directly blown onto with pig and causes discomfort.
As the further technical solution of the present invention, deodorization device of air is made of hole body, spring, baffle, and hole body upper end is in
Cross frame structure, under the action of the spring, baffle and hole body are in normally off, prevent in bubble excrement sewage ditch gas to pig
Diffusion in house, when guide valve turns to exhaust duct two, due to producing negative pressure, spring elongation, baffle and hole in bubble excrement sewage ditch
Body separation gas is flowed into bubble excrement sewage ditch, and deodorization purpose is played with this.
As the further technical solution of the present invention, pig house south window, north window, skylight winter are in closed state, only in temperature
Degree higher period summer, which opens, is used as vent passages.
It is of the invention effectively to change pig house dissipated heat compared with existing cold ground aeration technology, reduce heap manure pit exhaust gas to
Diffusing capacity in house, has the advantages such as pig house good heat preservation performance, Uniform Ventilation, the energy saving, efficiency that scavenges height, makes the living environment of pig
It is significantly improved, while reduces the pollution to environment.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description
Fig. 1 is cold ground ventilating system of pigsty side sectional view.
Fig. 2 is cold ground pig house feed unit ventilating system top view.
Fig. 3 is heat recovery passage side sectional view.
Fig. 4 is deodorization device of air front view.
Fig. 5 is deodorization device of air sectional view.
Wherein,
1st, inlet plenum；2nd, southern window；3rd, fresh wind port；4th, backplate；5th, blast pipe；6th, insulating layer；7th, area is raised；8th, skylight；9、
Between temperature control；10th, corridor；11st, north window；12nd, between exhaust-gas treatment；13rd, exhaust blower；14th, flue gas leading；15th, heat conversion equipment；16、
Exhaust outlet one；17th, exhaust duct one；18th, exhaust outlet two；19th, exhaust duct two；20th, bubble excrement sewage ditch；21 fresh wind tubes；22nd, it is oriented to
Valve；23rd, sealing device；24th, ground；25th, new wind turbine；26th, deodorization device of air；27th, hole body；28th, spring；29th, baffle；30th, raise
Support unit；31st, group rearing swinery；32nd, passageway.
Embodiment
Referring to Fig. 1 to Fig. 5, one kind cold ground ventilating system of pigsty includes pig house and ventilating system：Pig house is by insulating layer 6, feeding
Foster area 7, bubble excrement sewage ditch 20, corridor 10 form, and insulating layer 6, raising area 7 are located at the top of ground 24, bubble excrement sewage ditch 20
Positioned at the lower section of ground 24, insulating layer 6 is equipped with skylight 8, and raising area 7 divides several feed units 30, and each feed unit 30 had
Road 32 and 1 to 2 Rectangular Group pig fence 31, pig house both sides are provided with southern window 2 and north window 11；Ventilating system includes intake stack and row
Wind pipeline, intake stack is successively by 9, blast pipe 5, fresh wind port 3,4 groups of backplate between new wind turbine 25, heat conversion equipment 15, temperature control
Into；Exhaust duct is turned by exhaust outlet 1, exhaust outlet 2 18, exhaust duct 1, exhaust duct 2 19, guide valve 22, heat successively
12, exhaust blower 13 forms between changing device 15, exhaust-gas treatment.
As the further technical solution of the present invention, bubble excrement sewage ditch 20 is equipped with sealing device 23 and deodorization device of air
26, it is equipped with exhaust outlet 1 and exhaust outlet 2 18 successively on 20 side wall of bubble excrement sewage ditch, exhaust outlet 1 is filled positioned at sealing
Put 23 tops to be connected with exhaust duct 1, exhaust outlet 2 18 is located at the lower section of sealing device 23 and is connected with exhaust duct 2 19, exhaust duct
One 17 are connected with exhaust duct 2 19 by guide valve 22 with heat conversion equipment 15, and guide valve 22 is often connected with exhaust duct 1,
Disconnected with exhaust duct 2 19, pernicious gas in discharge house, when only clearing up the waste on sealing device 23, is opened in sealing device 23
22 turns of open air exhaust pipes 2 19 of guide valve before opening, disconnect with exhaust duct 1, and pernicious gas in discharge bubble excrement sewage ditch 20, avoids
Pernicious gas enter raising area 7, device 23 to be sealed cleans out be re-closing off after, guide valve 22 goes back to exhaust duct 1, with
Exhaust duct 2 19 disconnects.
As the further technical solution of the present invention, sealing device 23 is in normally off, waste is fermented caused by
Pernicious gas is sealed in bubble excrement sewage ditch 20,23 time opening of sealing device, by the newly generated excrement on sealing device 23
Dirt is cleaned in bubble excrement sewage ditch 20.
As the further technical solution of the present invention, heat conversion equipment 15 is located at 20 bottom of bubble excrement sewage ditch, by giving up
Tracheae 14 and the socket composition of fresh wind tube 21, flue gas leading 14 is internally positioned, and fresh wind tube 21 can outwards be returned positioned at outside, fresh wind tube 21
Heat caused by waste fermentation in bubble excrement sewage ditch 20 is received, can inwardly recycle the heat that flue gas leading 14 distributes.
As the further technical solution of the present invention, 12 are located at pig house north side between exhaust-gas treatment, highly with north window lower edge
It is contour, it is advisable with not influencing windowing, the gas after processing is discharged by exhaust blower 13.
As the further technical solution of the present invention, new wind turbine 25 is located in pig house southern side inlet plenum 1, and new wind turbine 25 is by sky
Pneumatic transmission enters in the fresh wind tube 21 in heat conversion equipment 15, and fresh wind tube 21 is directed the air into 9 between temperature control, and 9 by air tune between temperature control
Air is sent into blast pipe 5 by whole arrive after pig house temperature, and air enters pig house through fresh wind port 3.
As the further technical solution of the present invention, 3 port of export of fresh wind port installation backplate 4, to adjust wind direction, avoids new
Wind is directly blown onto with pig, causes discomfort.
As the further technical solution of the present invention, deodorization device of air 26 is made of hole body 27, spring 28, baffle 29, hole
27 upper end of body is in cross frame structure, and baffle 29 is in normally off with hole body 27 under the action of the spring 28, prevents bubble excrement
Gas is spread into pig house in sewage ditch 20, when guide valve 22 turns to exhaust duct 2 19, due to production in bubble excrement sewage ditch 20
Raw negative pressure, spring 28 stretch, and baffle 29 is separated with hole body 27, and gas is flowed into bubble excrement sewage ditch 20, and deodorization mesh is played with this
's.
As the further technical solution of the present invention, pig house south window 2, north window 11,8 winter of skylight are in closed state, only
Opened in temperature higher period summer and be used as vent passages.
It is of the invention effectively to recycle pig house compared with existing cold ground aeration technology and lose heat, pernicious gas is reduced to house
Interior diffusing capacity, has the advantages such as pig house good heat preservation performance, Uniform Ventilation, the energy saving, efficiency that scavenges height, makes the living environment of pig have
Significantly improve, while reduce the pollution to environment.
Claims (1)
1. one kind cold ground ventilating system of pigsty, it is characterised in that one kind cold ground ventilating system of pigsty includes pig house and ventilating system：
Ventilating system intake stack and exhaust duct, intake stack is successively by between new wind turbine (25), heat conversion equipment (15), temperature control
(9), blast pipe (5), fresh wind port (3), backplate (4) composition；Exhaust duct successively by exhaust outlet one (16), exhaust outlet two (18),
(12), exhaust blower between exhaust duct one (17), exhaust duct two (19), guide valve (22), heat conversion equipment (15), exhaust-gas treatment
(13) form；Bubble excrement sewage ditch (20) is equipped with sealing device (23) and deodorization device of air (26), in bubble excrement sewage ditch (20)
Exhaust outlet one (16) and exhaust outlet two (18) are equipped with side wall successively, exhaust outlet one (16) is located above sealing device (23) and row
Air hose one (17) connects, and exhaust outlet two (18) is located at below sealing device (23) to be connected with exhaust duct two (19), exhaust duct one
(17) it is connected with exhaust duct two (19) by guide valve (22) with heat conversion equipment (15)；Sealing device (23) is in normally closed shape
State, by artificial or automatic control time opening, bubble excrement sewage ditch (20) is cleaned to by newly generated waste on sealing device (23)
It is interior；Heat conversion equipment (15) is located at bubble excrement sewage ditch (20) bottom, is made of flue gas leading (14) and fresh wind tube (21) socket,
Flue gas leading (14) is internally positioned, and fresh wind tube (21) is positioned at outside；(12) are located at pig house north side between exhaust-gas treatment, highly with north window
Edge is contour, and not influencing windowing is advisable, and the gas after processing is discharged by exhaust blower (13)；New wind turbine (25) is located at pig house southern side
In inlet plenum (1), air is blown into the fresh wind tube (21) in heat conversion equipment (15), fresh wind tube (21) directs the air into temperature control
Between (9), air is adjusted to after pig house temperature air being sent into blast pipe (5) by (9) between temperature control, and air enters through fresh wind port (3)
Pig house；Fresh wind port (3) port of export installation backplate (4), to adjust wind direction；Deodorization device of air (26) is by hole body (27), spring
(28), baffle (29) forms, and hole body (27) upper end is in cross frame structure, under the action of spring (28), baffle (29) and hole
Body (27) is in normally off, when guide valve (22) turns to exhaust duct two (19), due to being produced in bubble excrement sewage ditch (20)
Negative pressure, spring (28) stretching, baffle (29) separate gas with hole body (27) and flow into bubble excrement sewage ditch (20), and deodorization is played with this
Purpose；Pig house south window (2), north window (11), skylight (8) winter are in closed state, are only opened in temperature higher period summer
As vent passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130496.4A CN107912305B (en) | 2017-11-15 | 2017-11-15 | One kind cold ground ventilating system of pigsty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130496.4A CN107912305B (en) | 2017-11-15 | 2017-11-15 | One kind cold ground ventilating system of pigsty |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107912305A true CN107912305A (en) | 2018-04-17 |
| CN107912305B CN107912305B (en) | 2019-09-03 |
Family
ID=61895565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130496.4A Active CN107912305B (en) | 2017-11-15 | 2017-11-15 | One kind cold ground ventilating system of pigsty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107912305B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684535A (en) * | 2018-06-28 | 2018-10-23 | 青岛大牧人机械股份有限公司 | A kind of applicable cold district poultry house fresh air preheating system |
| CN108812347A (en) * | 2018-08-28 | 2018-11-16 | 郑州法布瑞克智能科技有限公司 | A kind of pig house environmental control system |
| CN109644879A (en) * | 2019-01-07 | 2019-04-19 | 东北农业大学 | Winter northern cold ground pig house ring control integrated machine system |
| CN110199887A (en) * | 2019-07-08 | 2019-09-06 | 王树华 | A kind of air circulation system of aquaculture |
| CN110367128A (en) * | 2019-08-29 | 2019-10-25 | 东北农业大学 | A kind of pig house ceiling ventilation preheating device |
| CN110583493A (en) * | 2019-10-25 | 2019-12-20 | 东北农业大学 | Pig house ventilation unit |
| CN111053037A (en) * | 2020-02-25 | 2020-04-24 | 福建省农科环保设备有限公司 | Closed square cabin pigsty and pig raising method |
| CN111657232A (en) * | 2020-07-08 | 2020-09-15 | 杭州金溢建设集团有限公司 | Hu sheep farm ecological circulation system and control method thereof |
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| CN203467363U (en) * | 2013-09-13 | 2014-03-12 | 牧原食品股份有限公司 | Winter heat exchange ventilating system |
| CN104206284A (en) * | 2014-08-05 | 2014-12-17 | 刘忠臣 | Ventilation system of pigsty and pigsty using ventilation system |
| CN204168867U (en) * | 2014-10-27 | 2015-02-25 | 江安德康生猪养殖有限公司 | A kind of ventilating system of pigsty |
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| CN205993314U (en) * | 2016-07-28 | 2017-03-08 | 牧原食品股份有限公司 | The new interior heat exchanging ventilation device of pig house |
| CN206238022U (en) * | 2016-11-23 | 2017-06-13 | 兰坪县建浩农业科技发展有限责任公司 | It is easy to the energy-conservation pig house drunk water and discharge feces |
| CN107079818A (en) * | 2017-03-17 | 2017-08-22 | 重庆余平式畜牧技术咨询有限公司 | The method for exhausting of animal room |
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| CN203467363U (en) * | 2013-09-13 | 2014-03-12 | 牧原食品股份有限公司 | Winter heat exchange ventilating system |
| CN104206284A (en) * | 2014-08-05 | 2014-12-17 | 刘忠臣 | Ventilation system of pigsty and pigsty using ventilation system |
| CN204168867U (en) * | 2014-10-27 | 2015-02-25 | 江安德康生猪养殖有限公司 | A kind of ventilating system of pigsty |
| CN106135010A (en) * | 2015-03-31 | 2016-11-23 | 青岛派如环境科技有限公司 | Energy-conservation pig house |
| CN105794670A (en) * | 2016-04-26 | 2016-07-27 | 施婷婷 | Multifunctional practical hog house |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684535A (en) * | 2018-06-28 | 2018-10-23 | 青岛大牧人机械股份有限公司 | A kind of applicable cold district poultry house fresh air preheating system |
| CN108684535B (en) * | 2018-06-28 | 2024-03-19 | 青岛大牧人机械股份有限公司 | Fresh air preheating system suitable for livestock and poultry houses in cold regions |
| CN108812347A (en) * | 2018-08-28 | 2018-11-16 | 郑州法布瑞克智能科技有限公司 | A kind of pig house environmental control system |
| CN109644879A (en) * | 2019-01-07 | 2019-04-19 | 东北农业大学 | Winter northern cold ground pig house ring control integrated machine system |
| CN109644879B (en) * | 2019-01-07 | 2021-06-15 | 东北农业大学 | Winter northern cold area pig house environmental control all-in-one system |
| CN110199887A (en) * | 2019-07-08 | 2019-09-06 | 王树华 | A kind of air circulation system of aquaculture |
| CN110367128A (en) * | 2019-08-29 | 2019-10-25 | 东北农业大学 | A kind of pig house ceiling ventilation preheating device |
| CN110583493A (en) * | 2019-10-25 | 2019-12-20 | 东北农业大学 | Pig house ventilation unit |
| CN110583493B (en) * | 2019-10-25 | 2021-06-22 | 东北农业大学 | Pig house ventilation unit |
| CN111053037A (en) * | 2020-02-25 | 2020-04-24 | 福建省农科环保设备有限公司 | Closed square cabin pigsty and pig raising method |
| CN111657232A (en) * | 2020-07-08 | 2020-09-15 | 杭州金溢建设集团有限公司 | Hu sheep farm ecological circulation system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107912305B (en) | 2019-09-03 |
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Inventor after: Bao Jun Inventor after: Liu Honggui Inventor after: Zhang Jicheng Inventor after: Teng Xiaohua Inventor after: Zheng Ping Inventor after: Huang He Inventor after: Wang Runtao Inventor after: Hou Shouyin Inventor before: Liu Honggui Inventor before: Bao Jun Inventor before: Zhang Jicheng Inventor before: Teng Xiaohua Inventor before: Zheng Ping Inventor before: Huang He Inventor before: Wang Runtao Inventor before: Hou Shouyin |