CN104737924A - Summer ventilation cooling system in large piggery - Google Patents
Summer ventilation cooling system in large piggery Download PDFInfo
- Publication number
- CN104737924A CN104737924A CN201510190538.8A CN201510190538A CN104737924A CN 104737924 A CN104737924 A CN 104737924A CN 201510190538 A CN201510190538 A CN 201510190538A CN 104737924 A CN104737924 A CN 104737924A
- Authority
- CN
- China
- Prior art keywords
- pig house
- ventilation
- plastic conduit
- ventilation plastic
- wall
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 118
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract 4
- 210000003608 fece Anatomy 0.000 abstract 2
- 239000010871 livestock manure Substances 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 241000282887 Suidae Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001071864 Lethrinus laticaudis Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000033065 inborn errors of immunity Diseases 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 208000028529 primary immunodeficiency disease Diseases 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
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
-
- 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
- A01K1/0076—Arrangement of heaters or heat exchangers
-
- 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
- A01K1/0082—Water misting or cooling systems
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 a summer ventilation cooling system in a large piggery. The system comprises a piggery, pigsties and three groups of ventilation units. A manure leaking plate is arranged at the bottoms of the pigsties, a drainage pipe is arranged below the manure leaking plate, an inner separation plate and an outer separation plate are arranged at one side end of the piggery, a cooling circulation water curtain is arranged on the inner separation plate, and a filtering screen is arranged on the outer separation plate. The three groups of ventilation units are disposed at the positions close to the front wall, the rear wall and the top end respectively at the upper end of a cavity of the piggery. Ventilation plastic pipes penetrate the two sides of the wall of the piggery, air inlet fans are arranged at the ends of the ventilation plastic pipes, air outlet fans are arranged at the other ends, and a plurality of air holes are formed in the ventilation plastic pipes. A water inlet pipe is arranged above the cooling circulation water curtain, nozzles are arranged at the bottom of the water inlet pipe, a water collection tank is arranged below the cooling circulation water curtain, the bottom of the water collection tank is communicated with the drainage pipe through a communication pipe, a water inlet control valve is arranged on the water inlet pipe. By means of the system, different ventilation requirements of different swineries for the piggery environment can be adjusted, and the clean and smooth air in the piggery is guaranteed.
Description
Technical field:
The present invention relates to a kind of ventilation system, particularly relate to summer ventilation ventilation radiating and cooling system in a kind of large-scale pig house, belong to large-scale aquaculture environment changing device technical field.
Background technology:
For large-scale modernized pig raising field, the a lot of head pig of the equal livestock on hand of each pig house, numerous pigs are collected at together, can produce very large heat, add the assanation problem of pig house, can have a strong impact on the life of pig, slow down the growth of pig, particularly torridity summer, sultry air more can cause the hot-tempered uneasiness of the heat of swinery, so must consider to take cooling ventilation measure to swinery, cooling measure conventional in prior art has: aeration-cooling, cooling of dripping, Wet-curtain temperature reducing etc.These cooling measures for be most of the right age swinerys grown, to the swinery of those just births or breed swinery, then need to carry out special treatment, the circulation of room air should be ensured, the temperature requirement of various special swinery can also be applicable to, still not carry out the technology appearance of different ventilation measure at present for different swinery.
And cascade of lowering the temperature in prior art is directly installed on pig house exterior wall, while air draught cooling, the various foreign material etc. that drift along also are attracted on cascade, blocking pore, reduction cooling-down effect, and cooling cascade water is directly emitted, again can not utilize, directly cause breeding enterprise cost to raise.
Summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art; there is provided a kind of and can carry out different ventilation cooling measure according to different swinery, ensure summer ventilation ventilation radiating and cooling system in the large-scale pig house of air quality in pig house, be applicable to the demand of various poultry class large-scaleization cultivation.
The technical scheme that the present invention takes for technical solution problem is:
Summer ventilation ventilation radiating and cooling system in a kind of large-scale pig house, comprise pig house, swinery and unit ventilators, leakage dropping-board is provided with bottom described swinery, blow-off line is provided with below described leakage dropping-board, described pig house one end is provided with internal partition wall and outer partition wall, described internal partition wall is provided with down cycles cascade, outer partition wall is provided with screen pack, described unit ventilators is three groups, first group of unit ventilators is positioned at described pig house inner chamber upper end near the position of front wall, second group of unit ventilators is positioned at described pig house inner chamber upper end near the position of rear wall, 3rd group of unit ventilators is positioned at described pig house inner chamber top dead center position, first group of unit ventilators and second group of unit ventilators include several diameter ventilation plastic conduit not etc., 3rd group of unit ventilators comprises two on all four ventilation plastic conduits of diameter, all ventilation plastic conduits all run through pig house wall both sides, the pig house wall corresponding with all ventilation plastic conduit one end is provided with air intake fan, the pig house wall that the other end is corresponding is provided with ventilating fan, just several air vents are evenly provided with to the side of pig house wall at first group of unit ventilators and second group of all ventilation plastic conduit of unit ventilators, two ventilation plastic conduits of the 3rd group of unit ventilators are evenly provided with several air vents horizontal by 45 degree, all ventilation plastic conduits are all fixed on described pig house roof by suspension bracket, the pipe head of the ventilation plastic conduit corresponding to all ventilating fans is provided with dustproof filter guard, be provided with inlet channel above described down cycles cascade, bottom described inlet channel, be provided with several shower nozzle, below described down cycles cascade, be provided with water receiving tank, be connected with the blow-off line below described swinery by communicating pipe bottom described water receiving tank, described inlet channel is provided with water inlet control valve door.
Described first group of unit ventilators and second group of unit ventilators include three diameters ventilation plastic conduit not etc., large ventilation plastic conduit, middle ventilation plastic conduit and little ventilation plastic conduit, described large ventilation plastic conduit, middle ventilation plastic conduit and little ventilation plastic conduit all run through the both sides of pig house wall; Be provided with in the pig house wall that the first air intake is fanned, the other end is corresponding in the pig house wall corresponding with described large ventilation plastic conduit one end and be provided with first row fan, described large ventilation plastic conduit is just evenly provided with several large air vents to the side of pig house wall; Be provided with in the pig house wall that the second air intake is fanned, the other end is corresponding in the pig house wall corresponding with described middle ventilation plastic conduit one end and be provided with second row fan, described middle ventilation plastic conduit is just evenly provided with air vent in several to the side of pig house wall; Be provided with in the 3rd pig house wall that air intake is fanned, the other end is corresponding in the pig house wall corresponding with described little ventilation plastic conduit one end and be provided with the 3rd ventilating fan, described little ventilation plastic conduit is just evenly provided with several little air vents to the side of pig house wall; Described large ventilation plastic conduit, middle ventilation plastic conduit and little ventilation plastic conduit are all fixed on pig house roof by suspension bracket; The pipe head of large ventilation plastic conduit corresponding to described first row fan is provided with the first dustproof filter guard, the pipe head of plastic conduit of ventilating in described second row fan is corresponding is provided with the second dustproof filter guard, and the pipe head of little ventilation plastic conduit corresponding to described 3rd ventilating fan is provided with the 3rd dustproof filter guard.
Two ventilation plastic conduits of described 3rd group of unit ventilators are evenly provided with several air vents horizontal by 45 degree, be provided with in the pig house wall that top duct air intake is fanned, another side is corresponding in the pig house wall corresponding with two ventilation plastic conduit one sides and be provided with top duct ventilating fan, have top duct dustproof filter guard in top duct ventilating fan arranged outside.
The present invention is according to the demand of pig house size, at diverse location, all different ventilation plastic conduit of many diameters is set, ventilation plastic conduit runs through the both sides of pig house wall, the pig house wall corresponding with ventilation plastic conduit one end is provided with air intake fan, the pig house wall that the other end is corresponding is provided with ventilating fan, just several air vents are evenly provided with to the side of pig house wall at ventilation plastic conduit, from air vent, cool breeze is out beaten with it swinery of rebounding back after on pig house wall, so the bounce-back wind gone is softer, any negative effect can not be caused to the swinery of hypoimmunity, such design is more humane.
The present invention is by being provided with internal partition wall and outer partition wall in pig house one end, internal partition wall is provided with down cycles cascade, outside partition wall is provided with screen pack, can prevent various foreign material in outside air from entering pig house, reduce the blocking of down cycles cascade, submit cooling-down effect and cooling effect to.Screen pack set by simultaneously on outer partition wall can be unloaded down at any time and clean, and also can directly change, and ensures that the cleaning of air in pig house is unobstructed; The dustproof filter guard one that the ventilation plastic conduit other end is arranged can ensure the cleanliness factor of air in pig house, and two can prevent birds etc. to nest in ventilation plastic conduit termination repaiies nest, affects the normal use of ventilating fan.
The present invention according to the different ventilation requirement of different swinery to pig house environment, can open the air inlet/outlet gauge tap of different pipeline: as more sturdy grower pigs, all ventilation shafts all can be opened, and accelerates the ventilation of inside pig house; As the child care piggy be just born, the ventilation shaft that diameter is thinner can be opened, both ensure the temperature in pig house, the appropriate ventilation that in turn ensure that in pig house; Breed swinery as what soon produce young pig, then optionally open the ventilation shaft of varying number, different-diameter, with the ventilation requirement of swinery special in applicable pig house.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cross section structure schematic diagram at A-A place in Fig. 1.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is made further explanation and description:
Embodiment 1: see Fig. 1 and Fig. 2, summer ventilation ventilation radiating and cooling system in a kind of large-scale pig house, comprise pig house 1, swinery 10 and unit ventilators, Lou dropping-board 11 is provided with bottom swinery 10, blow-off line 12 is provided with below leakage dropping-board 11, pig house 1 one side is provided with internal partition wall 22 and outer partition wall 23, internal partition wall 22 is provided with down cycles cascade 25, outside partition wall 23 is provided with screen pack 24.
Wherein: unit ventilators is three groups, first group of unit ventilators be positioned at pig house inner chamber upper end near the position of front wall, second group of unit ventilators be positioned at pig house inner chamber upper end near the position of rear wall, the 3rd group of unit ventilators be positioned at pig house inner chamber top dead center position.
First group of unit ventilators and second group of unit ventilators include three diameters ventilation plastic conduit not etc., large ventilation plastic conduit 2, middle ventilation plastic conduit 3 and little ventilation plastic conduit 4, large ventilation plastic conduit 2, middle ventilation plastic conduit 3 and little ventilation plastic conduit 4 all run through the both sides of pig house wall; Be provided with in the pig house wall corresponding with large ventilation plastic conduit 2 one side in the first air intake fans 6, the other end is corresponding pig house wall and be provided with first row fan 13, large ventilation plastic conduit 2 is just evenly provided with several large air vents 21 to the side of pig house wall; Be provided with in the pig house wall corresponding with middle ventilation plastic conduit 3 one side in the second air intake fans 7, the other end is corresponding pig house wall and be provided with second row fan 14, middle ventilation plastic conduit 3 is just evenly provided with air vent 20 in several to the side of pig house wall; Be provided with in the pig house wall corresponding with little ventilation plastic conduit 4 one side in the 3rd air intake fans 8, another side is corresponding pig house wall and be provided with the 3rd ventilating fan 15, just several little air vents 19 are evenly provided with to the side of pig house wall at little ventilation plastic conduit 4; Large ventilation plastic conduit 2, middle ventilation plastic conduit 3 and little ventilation plastic conduit 4 are all fixed on pig house roof by suspension bracket 26; The pipe head of the large ventilation plastic conduit of first row fan 13 correspondence is provided with the first dustproof filter guard 16, the pipe head of plastic conduit of ventilating in second row fan 14 correspondence is provided with the second dustproof filter guard 17, and the pipe head of the little ventilation plastic conduit of the 3rd ventilating fan 15 correspondence is provided with the 3rd dustproof filter guard 18.
Two ventilation plastic conduits 5 of the 3rd group of unit ventilators are evenly provided with several air vents horizontal by 45 degree, be provided with in the pig house wall corresponding with two ventilation plastic conduit 5 one sides in top duct air intake fans 9, another side is corresponding pig house wall and be provided with top duct ventilating fan, have top duct dustproof filter guard in top duct ventilating fan arranged outside.
Embodiment 2: the present embodiment is substantially identical with embodiment 1 structure, difference is: according to the demand of pig house size and swinery adaptive temperature, at diverse location and different spaces, diameter ventilation plastic conduit some not etc. is set, to adapt to the growth needs of different swinery.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, within the protection domain all still belonging to technical solution of the present invention.
Claims (3)
1. summer ventilation ventilation radiating and cooling system in a large-scale pig house, comprise pig house, swinery and unit ventilators, leakage dropping-board is provided with bottom described swinery, blow-off line is provided with below described leakage dropping-board, it is characterized in that: described pig house one side is provided with internal partition wall and outer partition wall, described internal partition wall is provided with down cycles cascade, outer partition wall is provided with screen pack, described unit ventilators is three groups, first group of unit ventilators is positioned at described pig house inner chamber upper end near the position of front wall, second group of unit ventilators is positioned at described pig house inner chamber upper end near the position of rear wall, 3rd group of unit ventilators is positioned at described pig house inner chamber top dead center position, first group of unit ventilators and second group of unit ventilators include several diameter ventilation plastic conduit not etc., 3rd group of unit ventilators comprises two on all four ventilation plastic conduits of diameter, all ventilation plastic conduits all run through pig house wall both sides, the pig house wall corresponding with all ventilation plastic conduit one sides is provided with air intake fan, the pig house wall that another side is corresponding is provided with ventilating fan, just several air vents are evenly provided with to the side of pig house wall at first group of unit ventilators and second group of all ventilation plastic conduit of unit ventilators, two ventilation plastic conduits of the 3rd group of unit ventilators are evenly provided with several air vents horizontal by 45 degree, all ventilation plastic conduits are all fixed on described pig house roof by suspension bracket, the pipe head of the ventilation plastic conduit corresponding to all ventilating fans is provided with dustproof filter guard, be provided with inlet channel above described down cycles cascade, bottom described inlet channel, be provided with several shower nozzle, below described down cycles cascade, be provided with water receiving tank, be connected with the blow-off line below described swinery by communicating pipe bottom described water receiving tank, described inlet channel is provided with water inlet control valve door.
2. summer ventilation ventilation radiating and cooling system in large-scale pig house according to claim 1, it is characterized in that: described first group of unit ventilators and second group of unit ventilators include three diameters ventilation plastic conduit not etc., large ventilation plastic conduit, middle ventilation plastic conduit and little ventilation plastic conduit, described large ventilation plastic conduit, middle ventilation plastic conduit and little ventilation plastic conduit all run through the both sides of pig house wall; Be provided with in the pig house wall that the first air intake is fanned, another side is corresponding in the pig house wall corresponding with described large ventilation plastic conduit one side and be provided with first row fan, described large ventilation plastic conduit is just evenly provided with several large air vents to the side of pig house wall; Be provided with in the pig house wall that the second air intake is fanned, another side is corresponding in the pig house wall corresponding with described middle ventilation plastic conduit one side and be provided with second row fan, described middle ventilation plastic conduit is just evenly provided with air vent in several to the side of pig house wall; Be provided with in the 3rd pig house wall that air intake is fanned, another side is corresponding in the pig house wall corresponding with described little ventilation plastic conduit one side and be provided with the 3rd ventilating fan, described little ventilation plastic conduit is just evenly provided with several little air vents to the side of pig house wall; Described large ventilation plastic conduit, middle ventilation plastic conduit and little ventilation plastic conduit are all fixed on pig house roof by suspension bracket; The pipe head of large ventilation plastic conduit corresponding to described first row fan is provided with the first dustproof filter guard, the pipe head of plastic conduit of ventilating in described second row fan is corresponding is provided with the second dustproof filter guard, and the pipe head of little ventilation plastic conduit corresponding to described 3rd ventilating fan is provided with the 3rd dustproof filter guard.
3. summer ventilation ventilation radiating and cooling system in large-scale pig house according to claim 1, it is characterized in that: two ventilation plastic conduits of described 3rd group of unit ventilators are evenly provided with several air vents horizontal by 45 degree, be provided with in the pig house wall that top duct air intake is fanned, another side is corresponding in the pig house wall corresponding with two ventilation plastic conduit one sides and be provided with top duct ventilating fan, have top duct dustproof filter guard in top duct ventilating fan arranged outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190538.8A CN104737924B (en) | 2015-04-22 | 2015-04-22 | Summer ventilation ventilation radiating and cooling system in large-scale pig house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190538.8A CN104737924B (en) | 2015-04-22 | 2015-04-22 | Summer ventilation ventilation radiating and cooling system in large-scale pig house |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104737924A true CN104737924A (en) | 2015-07-01 |
| CN104737924B CN104737924B (en) | 2017-06-30 |
Family
ID=53578649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190538.8A Active CN104737924B (en) | 2015-04-22 | 2015-04-22 | Summer ventilation ventilation radiating and cooling system in large-scale pig house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104737924B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750969A (en) * | 2017-11-24 | 2018-03-06 | 洛阳祥顺农牧科技有限公司 | A kind of sheep hurdle Special ventilating device |
| CN114467774A (en) * | 2020-11-12 | 2022-05-13 | 日喀则市鼎峰养殖有限责任公司 | A piglet incubator for plateau |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0156293B1 (en) * | 1995-07-27 | 1998-10-01 | 박상은 | Method and apparatus for ventilating and cleaning pigpen |
| US20030205205A1 (en) * | 2002-04-10 | 2003-11-06 | William Opfel | Venting system for animal stall |
| KR20100103215A (en) * | 2009-03-13 | 2010-09-27 | 대한민국(농촌진흥청장) | The ventilation system for windowless swine housing |
| CN102577991A (en) * | 2012-03-08 | 2012-07-18 | 浙江大学 | Ventilation system for farrowing sow house |
| CN202364649U (en) * | 2011-11-16 | 2012-08-08 | 抚顺市瑞丰饲料厂 | Ventilation system in poultry and livestock cultivation colony house |
| CN103718974A (en) * | 2009-12-23 | 2014-04-16 | 怀特希尔/哈姆罗克有限责任公司 | Individual room duct and ventilation system for livestock production building |
| CN203590796U (en) * | 2013-12-11 | 2014-05-14 | 李学杰 | Ventilation and temperature control system for animal housing |
| CN203827836U (en) * | 2014-05-20 | 2014-09-17 | 牧原食品股份有限公司 | Ventilating and spraying device special for pigpen |
| CN203840898U (en) * | 2014-05-23 | 2014-09-24 | 牧原食品股份有限公司 | Summer high-temperature air exchanging and cooling system for pigsty |
| CN203851582U (en) * | 2014-05-23 | 2014-10-01 | 牧原食品股份有限公司 | Cleaning aerating and cooling device for pigsty |
| CN204634618U (en) * | 2015-04-22 | 2015-09-16 | 牧原食品股份有限公司 | Summer ventilation ventilation radiating and cooling system in large-scale pig house |
-
2015
- 2015-04-22 CN CN201510190538.8A patent/CN104737924B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0156293B1 (en) * | 1995-07-27 | 1998-10-01 | 박상은 | Method and apparatus for ventilating and cleaning pigpen |
| US20030205205A1 (en) * | 2002-04-10 | 2003-11-06 | William Opfel | Venting system for animal stall |
| KR20100103215A (en) * | 2009-03-13 | 2010-09-27 | 대한민국(농촌진흥청장) | The ventilation system for windowless swine housing |
| CN103718974A (en) * | 2009-12-23 | 2014-04-16 | 怀特希尔/哈姆罗克有限责任公司 | Individual room duct and ventilation system for livestock production building |
| CN202364649U (en) * | 2011-11-16 | 2012-08-08 | 抚顺市瑞丰饲料厂 | Ventilation system in poultry and livestock cultivation colony house |
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| CN203851582U (en) * | 2014-05-23 | 2014-10-01 | 牧原食品股份有限公司 | Cleaning aerating and cooling device for pigsty |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750969A (en) * | 2017-11-24 | 2018-03-06 | 洛阳祥顺农牧科技有限公司 | A kind of sheep hurdle Special ventilating device |
| CN114467774A (en) * | 2020-11-12 | 2022-05-13 | 日喀则市鼎峰养殖有限责任公司 | A piglet incubator for plateau |
| CN114467774B (en) * | 2020-11-12 | 2023-04-18 | 日喀则市鼎峰养殖有限责任公司 | A piglet incubator for plateau |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104737924B (en) | 2017-06-30 |
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