CN204125293U - A kind of energy-conservation pig farm of sewage disposal - Google Patents
A kind of energy-conservation pig farm of sewage disposal Download PDFInfo
- Publication number
- CN204125293U CN204125293U CN201420488757.5U CN201420488757U CN204125293U CN 204125293 U CN204125293 U CN 204125293U CN 201420488757 U CN201420488757 U CN 201420488757U CN 204125293 U CN204125293 U CN 204125293U
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- Prior art keywords
- pond
- sewage disposal
- draining exit
- pipeline
- energy
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- 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.)
- Expired - Fee Related
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- 239000010865 sewage Substances 0.000 title claims abstract description 63
- 238000004134 energy conservation Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 claims abstract description 18
- 239000002361 compost Substances 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 238000005273 aeration Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 25
- 239000002910 solid waste Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Treatment Of Sludge (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the energy-conservation pig farm of a kind of sewage disposal, comprises pig house and sewage disposal utilizes system; Described pig house comprises pigsty, passageway and body of wall, and pigsty is divided into several swinerys in a lateral direction, offers sewage draining exit in each swinery on the body of wall on ground; Described sewage draining exit is connected with the dirty pond of collection by pipeline, is provided with jube between described sewage draining exit and pipeline; Electrothermal tube is provided with in described swinery; Described sewage disposal utilizes system to comprise compost pond, solid-liquid separating machine, UASB pond, aeration tank, fluidized bed bio membrane reactor, filtering basin, steam separator, gas storage holder, and biogas generator.Pig farm of the present utility model is supporting has sewage disposal to utilize system, can realize the process of dirt in pig farm easily, has energy-saving and environmental protection, green, the advantage such as clean.
Description
Technical field
The utility model relates to the energy-conservation pig farm of a kind of sewage disposal, belongs to husbandry sector technical field.
Background technology
Biogas be organic substance under anaerobic, through the fermentative action of microorganism and a kind of inflammable gas generated.Biogas is the mixture of multiple gases, and general containing methane 50 ~ 70%, all the other are carbonic acid gas and a small amount of nitrogen, hydrogen and hydrogen sulfide etc., and its characteristic is similar to Sweet natural gas.Biogas is used for cooking except direct burning, dries except agricultural byproducts, heating, illumination and gas welding etc., also can make the industrial chemicals such as the fuel of oil engine and methanol, formalin, tetracol phenixin.In addition, the feed liquid of discharging after firedamp gas equipment fermentation and sediment, containing more rich nutritive substance, can be used as fertilizer and feed.The biogas utilization technology that biogas combustion generating is development along with the construction of large-sized biogas fermentation vat and biogas comprehensive utilization and occurs, the biogas that anaerobically fermenting process produces by it is for engine, and composite generating set is housed, to produce electric energy and heat energy.Marsh gas power generation has the features such as wound effect, energy-conservation, safety and environmental protection, is a kind of widely distributed and inexpensive distributed energy.But its biogas pollutent of traditional methane utilizing system does not reach zero release, makes a low multiple use.
Pig farm can produce a lot of ight soil and sewage every day, if be used to the ight soil on pig farm and sewage, not only can produce agricultural fertilizer, the biogas produced in sewage treatment process can also be utilized, this will increase the utilising efficiency on pig farm greatly, improves the economic worth on pig farm.
Utility model content
The utility model, for the deficiencies in the prior art, provides the energy-conservation pig farm of a kind of sewage disposal, comprises pig house and sewage disposal utilizes system; Described pig house comprises pigsty, passageway and body of wall, and described pigsty and passageway are that single-column type is arranged, and extending longitudinally, pigsty is divided into several swinerys in a lateral direction, and swinery side is passageway, and opposite side is body of wall; On the body of wall on ground, offer sewage draining exit in each swinery, the height of described sewage draining exit is 10 ~ 30cm, and width is 20 ~ 50cm; Described sewage draining exit is connected with the dirty pond of collection by pipeline, is provided with jube between described sewage draining exit and pipeline; Electrothermal tube is provided with in described swinery; Described sewage disposal utilizes system to comprise compost pond, solid-liquid separating machine, UASB pond, aeration tank, fluidized bed bio membrane reactor, filtering basin, steam separator, gas storage holder, and biogas generator; The entrance of described solid-liquid separating machine connects the dirty pond of described collection, the solid waste outlet of solid-liquid separating machine is connected with compost pond, and the waste liquid outlet of solid-liquid separating machine connects described UASB pond, aeration tank, fluidized bed bio membrane reactor and filtering basin successively by pipeline; The methane outlet in described UASB pond is connected with steam separator by pipeline, and the air outlet of described steam separator is connected with gas storage holder; Described gas storage holder is connected with described biogas generator by pipeline; Described biogas generator is connected with electrothermal tube by circuit.
On the basis of technique scheme, the utility model can also do following improvement.
Further, a hopper is provided with in each swinery.
Further, described sewage draining exit is rectangle, and the height of described sewage draining exit is 20cm, and width is 35cm.
Further, digester is provided with between described steam separator and described gas storage holder.
Further, described gas storage holder is two film waterless gas-holders.
Further, described fluidized bed bio membrane reactor comprises reactor body and is placed in the multiple-microorganism of described reactor body and the suspending carrier for microorganic adhesion.Preferably, described suspending carrier is diatomite.
Further, the filler bottom described filtering basin is gac, and the thickness of active carbon layer is 30 ~ 50cm.
Further, described electrothermal tube outer side wall is wrapped with collet.The effect of collet prevents live pig or staff from being scalded by electrothermal tube.
When the energy-conservation pig farm of sewage disposal of the present utility model uses, the movement in pigsty is collected to gather by sewage draining exit and is entered the dirty pond of collection; Collect waste water in dirty pond first through solid-liquid separating machine desanding, slagging-off and solid waste, the solid waste after solid-liquid separation enters compost pond and produces fertilizer through compost treatment; Sewage self-flowing after solid-liquid separation enters UASB reaction tank, by pollution substances such as COD, BOD5 in macrobead anaerobic sludge effect initial breakdown sewage in UASB reaction tank, the majority of organic pollutants in sewage is degraded to methane and carbon dioxide through anaerobically fermenting here; The sewage self-flowing that UASB pond processed enters aeration tank to be hydrolyzed organism, to cultivate and hold concurrently oxygen bacterium and be oxidized ammonia nitrogen to nitrite nitrogen.Then enter fluidized bed bio membrane reactor, utilize microorganism under the condition having sufficient dissolved oxygen, to oxygenolysis organic in sewage, further enhancing wastewater treatment efficiency, also reduce cost for wastewater treatment; On the other hand, the biogas that UASB pond produces in anaerobic degradation process enters gas storage holder, finally enters marsh gas power generation equipment for marsh gas power generation, warming for pig farm.
The beneficial effects of the utility model are: 1) can be separated the solid matters such as pig manure from sewage, produce fertilizer, produce considerable economic benefit; 2) sewage after solid-liquid separation is processed, reduce sewage disposal energy consumption and produce biogas, utilize marsh gas power generation to supply pig farm heating; 3) the mark post engineering of modern excrement By Comprehensive Treatment For Waste Water, the utilization of resources, recycling economy has been built.
Accompanying drawing explanation
Fig. 1 is a kind of sewage disposal energy-conservation pig farm structural representation;
Fig. 2 is a kind of sewage disposal energy-conservation pig farm vertical view;
Fig. 3 is a kind of sewage disposal energy-conservation pig farm structural representation improved.
1. pig house 2. sewage disposal utilizes system 11. pigsty 12. passageway 13. body of wall 14. swinery 15. sewage draining exit 16. to collect aeration tank 25., solid-liquid separating machine 23.UASB pond 24., jube 18. electrothermal tube 19. hopper 20. digester 21. compost pond 22., dirty pond 17. fluidized bed bio membrane reactor 26. filtering basin 27. steam separator 28. gas storage holder 29. biogas generator
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The energy-conservation pig farm of a kind of sewage disposal as shown in Figure 1-2, comprises pig house 1 and sewage disposal utilizes system 2; Described pig house 1 comprises pigsty 11, passageway 12 and body of wall 13, and described pigsty and passageway are that single-column type is arranged, and extending longitudinally, pigsty is divided into several swinerys 14 in a lateral direction, and swinery side is passageway, and opposite side is body of wall; On the body of wall on ground, offer sewage draining exit 15 in each swinery, the height of described sewage draining exit is 20cm, and width is 35cm; Described sewage draining exit is connected with the dirty pond 16 of collection by pipeline, is provided with jube 17 between described sewage draining exit and pipeline; Electrothermal tube 18 is provided with in described swinery; Described sewage disposal utilizes system 2 to comprise compost pond 21, solid-liquid separating machine 22, UASB pond 23, aeration tank 24, fluidized bed bio membrane reactor 25, filtering basin 26, steam separator 27, gas storage holder 28, and biogas generator 29; The entrance of described solid-liquid separating machine 22 connects the dirty pond 16 of described collection, the solid waste outlet of solid-liquid separating machine is connected with compost pond 21, and the waste liquid outlet of solid-liquid separating machine connects described UASB pond 23, aeration tank 24, fluidized bed bio membrane reactor 25 and filtering basin 26 successively by pipeline; The methane outlet in described UASB pond is connected with steam separator by pipeline, and the air outlet of described steam separator is connected with gas storage holder; Described gas storage holder is connected with described biogas generator by pipeline; Described biogas generator is connected with electrothermal tube by circuit.
Live pig pig farm of the present utility model can also as Figure 2-3, comprises pig house 1 and sewage disposal utilizes system 2; Described pig house 1 comprises pigsty 11, passageway 12 and body of wall 13, and described pigsty and passageway are that single-column type is arranged, and extending longitudinally, pigsty is divided into several swinerys 14 in a lateral direction, and swinery side is passageway, and opposite side is body of wall; On the body of wall on ground, offer sewage draining exit 15 in each swinery, the height of described sewage draining exit is 20cm, and width is 35cm; Described sewage draining exit is connected with the dirty pond 16 of collection by pipeline, is provided with jube 17 between described sewage draining exit and pipeline; Electrothermal tube 18 is provided with in described swinery; Described sewage disposal utilizes system 2 to comprise compost pond 21, solid-liquid separating machine 22, UASB pond 23, aeration tank 24, fluidized bed bio membrane reactor 25, filtering basin 26, steam separator 27, gas storage holder 28, and biogas generator 29; The entrance of described solid-liquid separating machine 22 connects the dirty pond 16 of described collection, the solid waste outlet of solid-liquid separating machine is connected with compost pond 21, and the waste liquid outlet of solid-liquid separating machine connects described UASB pond 23, aeration tank 24, fluidized bed bio membrane reactor 25 and filtering basin 26 successively by pipeline; The methane outlet in described UASB pond is connected with steam separator by pipeline, and the air outlet of described steam separator is connected with gas storage holder; Described gas storage holder is connected with described biogas generator by pipeline; Described biogas generator is connected with electrothermal tube by circuit.A hopper 19 is provided with in each swinery.Digester 20 is provided with between described steam separator and described gas storage holder.The treatment effect of sewage is in table 1.
The total treatment effect analytical table of table 1
| Sequence number | Con trolling index | Water inlet index mg/L | Drainage index mg/L | Clearance |
| 1 | CODcr | 10000 | 180 | 98.2％ |
| 2 | BOD 5 | 5000 | 75 | 98.5％ |
| 3 | NH 3-N | 600 | 40 | 93.3％ |
| 4 | P | 80 | 10 | 87.5％ |
| 5 | pH | 4.5-8.5 | 6-7.5 | -- |
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. the energy-conservation pig farm of sewage disposal, comprises pig house and sewage disposal utilizes system; Described pig house comprises pigsty, passageway and body of wall, and described pigsty and passageway are that single-column type is arranged, and extending longitudinally, pigsty is divided into several swinerys in a lateral direction, and swinery side is passageway, and opposite side is body of wall; It is characterized in that, on the body of wall on ground, offer sewage draining exit in each swinery, the height of described sewage draining exit is 10 ~ 30cm, and width is 20 ~ 50cm; Described sewage draining exit is connected with the dirty pond of collection by pipeline, is provided with jube between described sewage draining exit and pipeline; Electrothermal tube is provided with in described swinery; Described sewage disposal utilizes system to comprise compost pond, solid-liquid separating machine, UASB pond, aeration tank, fluidized bed bio membrane reactor, filtering basin, steam separator, gas storage holder, and biogas generator; The entrance of described solid-liquid separating machine connects the dirty pond of described collection, the solid waste outlet of solid-liquid separating machine is connected with compost pond, and the waste liquid outlet of solid-liquid separating machine connects described UASB pond, aeration tank, fluidized bed bio membrane reactor and filtering basin successively by pipeline; The methane outlet in described UASB pond is connected with steam separator by pipeline, and the air outlet of described steam separator is connected with gas storage holder; Described gas storage holder is connected with described biogas generator by pipeline; Described biogas generator is connected with electrothermal tube by circuit.
2. the energy-conservation pig farm of sewage disposal as claimed in claim 1, is characterized in that, be provided with a hopper in each swinery.
3. the energy-conservation pig farm of sewage disposal as claimed in claim 1, it is characterized in that, described sewage draining exit is rectangle, and the height of described sewage draining exit is 20cm, and width is 35cm.
4. the energy-conservation pig farm of sewage disposal as claimed in claim 1, is characterized in that, be provided with digester between described steam separator and described gas storage holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488757.5U CN204125293U (en) | 2014-08-27 | 2014-08-27 | A kind of energy-conservation pig farm of sewage disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488757.5U CN204125293U (en) | 2014-08-27 | 2014-08-27 | A kind of energy-conservation pig farm of sewage disposal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125293U true CN204125293U (en) | 2015-01-28 |
Family
ID=52381666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420488757.5U Expired - Fee Related CN204125293U (en) | 2014-08-27 | 2014-08-27 | A kind of energy-conservation pig farm of sewage disposal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204125293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604740A (en) * | 2015-02-18 | 2015-05-13 | 邢永安 | Cattle farm feeding system |
| CN107535360A (en) * | 2017-08-31 | 2018-01-05 | 安徽工程大学 | A kind of pig house with sewage disposal |
-
2014
- 2014-08-27 CN CN201420488757.5U patent/CN204125293U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604740A (en) * | 2015-02-18 | 2015-05-13 | 邢永安 | Cattle farm feeding system |
| CN104604740B (en) * | 2015-02-18 | 2017-02-08 | 林志松 | Cattle farm feeding system |
| CN107535360A (en) * | 2017-08-31 | 2018-01-05 | 安徽工程大学 | A kind of pig house with sewage disposal |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 |