CN111955351A - Pig excrement biogas circulation heat pig raising equipment - Google Patents
Pig excrement biogas circulation heat pig raising equipment Download PDFInfo
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- CN111955351A CN111955351A CN202010863119.7A CN202010863119A CN111955351A CN 111955351 A CN111955351 A CN 111955351A CN 202010863119 A CN202010863119 A CN 202010863119A CN 111955351 A CN111955351 A CN 111955351A
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- 239000010410 layer Substances 0.000 claims abstract description 54
- 238000003756 stirring Methods 0.000 claims abstract description 51
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 210000003608 fece Anatomy 0.000 claims abstract description 27
- 239000010871 livestock manure Substances 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 15
- 239000011229 interlayer Substances 0.000 claims abstract description 13
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 8
- 239000004793 Polystyrene Substances 0.000 claims abstract description 6
- 229920002223 polystyrene Polymers 0.000 claims abstract description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005187 foaming Methods 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- 239000011491 glass wool Substances 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000009313 farming Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000855 fermentation Methods 0.000 abstract description 8
- 230000004151 fermentation Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005485 electric heating Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000035943 smell Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Animal Husbandry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses pig manure methane circulating heat pig raising equipment, which belongs to the technical field of pig manure methane equipment and comprises a methane tank and a tank arch, wherein the methane tank and the tank arch are both arranged underground, the top of the tank arch is provided with a feeding channel arranged on the ground, the methane tank and the tank arch both comprise an inner wall and an outer wall arranged outside the inner wall, a heat insulation interlayer is arranged between the inner wall and the outer wall, the inner wall comprises a heat insulation inner layer, the outer wall comprises a heat insulation outer layer, one sides of the heat insulation inner layer and the heat insulation outer layer, which are close to the heat insulation interlayer, are both provided with heat insulation layers, the outer side of the feeding channel is provided with a fixed base. According to the invention, the multilayer heat-insulating layers such as polystyrene, foamed cement, silicon carbide and the like are laid on the methane tank and the tank arch, the heat-insulating cover seals the feeding channel, the heat-insulating effect is good, the cost is low, the stirring device replaces manual stirring, the labor cost is saved, the operation is simple, and meanwhile, the electric heating wire heats the stirring device, the fermentation temperature is improved, and the gas production is ensured.
Description
Technical Field
The invention relates to pig excrement biogas equipment, in particular to pig excrement biogas circulating heat-raising equipment, and belongs to the technical field of pig excrement biogas equipment.
Background
If the old traditional rural pig farm is close to the pig farm, the old traditional rural pig farm smells the foul smell and smokes the day, and the biogas circulation hot pig raising equipment of the pig farm improves the production conditions of the pig farm, is favorable for protecting the ecological environment and promotes the development of agriculture at the same time.
Pig manure is processed by biogas circulating hot pig raising equipment to generate biogas which can be used for cooking, lighting and the like, manure residues can also be used as fertilizer for crops, and during biogas fermentation, frequent stirring is needed to increase the contact of microorganisms and organic matters, so that the yield of the biogas is increased; meanwhile, the temperature has great influence on the methane tank, and the gas production rate of the methane tank is reduced even the methane is not generated due to the excessively low external temperature.
How to research out a high-efficiency heat-preservation pig manure biogas circulation heat pig raising device is a problem to be solved urgently at present.
Disclosure of Invention
The invention mainly aims to solve the defects of the prior art and provide the high-efficiency heat-preservation pig raising equipment with the pig manure methane circulating heat.
The purpose of the invention can be achieved by adopting the following technical scheme:
the utility model provides a pig raising equipment is hotly supported in pig excrement and urine marsh gas circulation, encircles including the pond that all is located underground methane-generating pit and methane-generating pit top, the top that the pond encircles is equipped with the feedstock channel who is located on the ground, methane-generating pit and pond encircle all to include the interior wall and set up the outer wall in the interior wall outside, the interior wall with be equipped with the heat preservation intermediate layer between the outer wall, the interior wall is including the heat preservation inlayer, the outer wall is including the heat preservation skin, the heat preservation inlayer with the heat preservation skin is close to one side of heat preservation intermediate layer all is equipped with the heat preservation, feedstock channel's the outside is equipped with unable adjustment base, the heat preservation lid is installed at unable adjustment base's top, be equipped with the heating cabinet on the pond arch, the internally mounted of heating cabinet has the.
Preferably, the heat preservation inlayer is the heat preservation inlayer that the concrete was made, the outer combined material that forms for the mixture is fully stirred to the heat preservation for carborundum and cement, the outer thickness of heat preservation is 5 ~ 8 cm.
Preferably, the heat-insulating layer is a composite material formed by fully stirring and mixing polystyrene particles and foaming cement, and the thickness of the heat-insulating layer is 3-5 cm.
Preferably, the heat-insulating interlayer is a glass wool heat-insulating layer, and the thickness of the heat-insulating interlayer is 1.5-2.5 cm.
Preferably, agitating unit is including connecting the connecting rod of motor output shaft, the bottom of connecting rod is connected with the stirring rod, the both ends of stirring rod all are equipped with the stirring board, the stirring board is circular stirring board, the inside of stirring board all is equipped with the heating wire, the heating wire with the heating cabinet passes through the connection of electric lines.
Preferably, the fixed base is inserted underground, and the heat preservation cover is movably connected with the fixed base.
Preferably, the heat preservation cover comprises a connecting base in threaded connection with the fixing base, a supporting rod is arranged at the top of the connecting base, one end of the supporting rod is provided with a quarter hollow spherical fixing cover, and the other end of the supporting rod is provided with a movable cover in sliding connection with the fixing cover.
Preferably, the outer wall of the movable cover is provided with a sealing strip, and the movable cover is provided with a handle.
Preferably, the movable cover is located inside the fixed cover, a sealing ring used for sealing a gap between the movable cover and the connecting base is arranged at the top of the connecting base, a mounting opening is formed in the connecting base, and the feeding channel penetrates through the mounting opening.
Preferably, the movable cover and the fixed cover are both composed of an inner layer made of hollow heat-insulating glass and an outer layer made of subglobic force.
The invention has the beneficial technical effects that: according to the pig manure methane circulating heat pig raising equipment, the multilayer heat preservation layers such as polystyrene, foamed cement and silicon carbide are laid on the methane tank and the tank arch, the heat preservation cover seals the feeding channel, the heat preservation effect is good, the cost is low, the stirring device replaces manual stirring, the labor cost is saved, the operation is simple, and meanwhile, the electric heating wire heats the stirring device, the fermentation temperature is increased, and the gas yield is ensured.
Drawings
FIG. 1 is a front view of the overall construction of a preferred embodiment of a pig manure biogas recycling thermal pig raising apparatus according to the present invention;
FIG. 2 is a partial structural sectional view of an inner wall and an outer wall of a preferred embodiment of the pig manure biogas recycling heat pig raising apparatus according to the present invention;
FIG. 3 is a schematic structural view of a stirring device of a preferred embodiment of the pig manure biogas circulation heat pig raising equipment according to the present invention;
FIG. 4 is a front view of a structure of a heat-insulating cover of a preferred embodiment of the pig manure biogas recycling heat-raising facility according to the present invention;
FIG. 5 is a front view of the structure of a stationary cover and a movable cover of a preferred embodiment of the pig manure biogas recycling hot pig raising apparatus according to the present invention;
FIG. 6 is a schematic structural view of a fixed cover and a movable cover of a preferred embodiment of the pig manure biogas circulation heat-raising apparatus according to the present invention;
fig. 7 is a top view of a coupling base structure of a preferred embodiment of the pig manure biogas circulation heat-raising apparatus according to the present invention.
In the figure: 1-inner wall, 2-outer wall, 3-heat preservation inner layer, 4-heat preservation layer, 5-heat preservation outer layer, 6-stirring device, 7-connecting rod, 8-stirring rod, 9-stirring plate, 10-heating wire, 11-pool arch, 12-fixed base, 13-heat preservation cover, 14-connecting base, 15-supporting rod, 16-fixed cover, 17-movable cover, 18-sealing strip, 19-handle, 20-sealing ring, 21-mounting port, 22-heating box, 23-motor, 24-heat preservation interlayer and 25-feeding channel.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-7, the pig manure biogas circulation heat pig raising apparatus provided by this embodiment includes a biogas digester and a digester arch 11, both of which are located underground, the top of the digester arch 11 is provided with a feed channel 25 located on the ground, the biogas digester and the digester arch 11 both include an inner wall 1 and an outer wall 2 disposed outside the inner wall 1, a heat insulation interlayer 24 is disposed between the inner wall 1 and the outer wall 2, the inner wall 1 includes a heat insulation inner layer 3, the outer wall 2 includes a heat insulation outer layer 5, the heat insulation inner layer 3 and one side of the heat insulation outer layer 5 close to the heat insulation interlayer 24 are both provided with a heat insulation layer 4, the outer side of the feed channel 25 is provided with a fixed base 12, the top of the fixed base 12 is provided with a heat insulation cover 13, the digester arch 11 is provided with a heating box 22, the heating box 22 is internally provided with a motor 23, and an output shaft of. This pig equipment is raised to pig manure marsh gas circulation heat is through laying multilayer heat preservation such as polystyrene, foaming cement and carborundum on methane-generating pit and pond arch 11, and heat preservation lid 13 seals feedstock channel 25, and it is effectual to keep warm, and the cost is lower, and agitating unit 6 replaces manual stirring, practices thrift the human cost, easy operation, and heating wire 10 heats agitating unit 6 simultaneously, improves the fermentation temperature, guarantees the gas production volume.
In this embodiment, as shown in fig. 1 and 2, the inner heat-insulating layer 3 is a concrete inner heat-insulating layer, the outer heat-insulating layer 5 is a composite material formed by fully stirring and mixing silicon carbide and cement, and the thickness of the outer heat-insulating layer 5 is 5-8 cm. The heat preservation layer 4 is a composite material formed by fully stirring and mixing polystyrene particles and foaming cement, and the thickness of the heat preservation layer 4 is 3-5 cm. The heat-insulating interlayer 24 is a glass wool heat-insulating layer, and the thickness of the heat-insulating interlayer 24 is 1.5-2.5 cm. The composite material formed by fully stirring and mixing the silicon carbide and the cement not only has the characteristic of high strength, but also has the characteristics of good corrosion resistance and high temperature resistance. The foaming cement fully foams a foaming agent in a mechanical mode through a foaming system of a foaming machine, and the foam and cement slurry are uniformly mixed to form a novel light heat-insulating material containing a large number of closed air holes. The glass wool heat-insulating layer has the characteristics of small volume density, thermal conductivity , heat insulation, corrosion resistance, stable chemical performance and the like.
In this embodiment, as shown in fig. 1 and 3, the stirring device 6 includes a connecting rod 7 connected to an output shaft of the motor 23, a stirring rod 8 is connected to a bottom of the connecting rod 7, stirring plates 9 are respectively disposed at two ends of the stirring rod 8, the stirring plates 9 are circular stirring plates, heating wires 10 are respectively disposed inside the stirring plates 9, and the heating wires 10 are connected to the heating box 22 through wires. Compared with the traditional stirring rod, the circular stirring plate 9 increases the contact area with the fermentation product, has more uniform stirring effect, and fully contacts the microorganisms and the organic matters, thereby promoting the gas production of the methane. When the temperature in the methane tank is low, the electric heating wire 10 heats the stirring plate 9, so that the temperature of the fermentation product is increased, and the gas production efficiency is improved.
In this embodiment, as shown in fig. 1, 4, 5, 6 and 7, the fixed base 12 is inserted underground, the heat-insulating cover 13 is movably connected with the fixed base 12, the heat-insulating cover 13 includes a connecting base 14 in threaded connection with the fixed base 12, a supporting rod 15 is arranged at the top of the connecting base 14, a quarter hollow spherical fixed cover 16 is arranged at one end of the supporting rod 15, a movable cover 17 in sliding connection with the fixed cover 16 is arranged at the other end of the supporting rod 15, a sealing strip 18 is arranged on the outer wall of the movable cover 17, and a handle 19 is arranged on the movable cover 17. The movable cover 17 is located inside the fixed cover 16, the top of the connecting base 14 is provided with a sealing ring 20 for sealing a gap between the movable cover 17 and the connecting base 14, the connecting base 14 is provided with an installation opening 21, and the feeding channel 25 penetrates through the installation opening 21. The movable cover 17 and the fixed cover 16 are both composed of an inner layer made of hollow heat-insulating glass and an outer layer made of subglobic force. The heat preservation cover 13 is in threaded connection with the fixed base 12, and is convenient to detach, the fixed base 12 is inserted into the ground to avoid loosening, the fixed cover 16 and the movable cover 17 seal the feeding channel 25 to achieve the heat preservation effect, and meanwhile rain and snow caused by poor sealing of the feeding channel 25 are prevented from entering the methane tank. The inner layer made of the hollow heat-insulating glass has temperature difference on two sides of the glass, a certain cavity is reserved between the glass and the glass, and the periphery of the inner layer is sealed, so that the convection of gas is reduced, a good heat-insulating effect is achieved, and the outer layer made of the ya keli has the effect of protecting the hollow heat-insulating glass. The movable cover 17 can be locked at ordinary times, so that the phenomenon that people drop inflammable and explosive materials into the methane tank to cause explosion is avoided.
In this embodiment, as shown in fig. 1 to 7, the pig manure biogas circulation hot pig raising equipment provided by this embodiment has the following working process:
step 1: sleeving the fixed base 12 outside the feeding channel 25, burying the lower part of the fixed base 12 underground and locating the upper part on the ground, installing the connecting base 14 on the fixed base 12, and lowering the movable cover 17 to seal the feeding channel 25;
step 2: the starter motor 23 drives the stirring device 6 to stir the fermented product, when the temperature in the methane tank is too low, the heating box 22 can be started, the heating wire 10 heats the stirring plate 9, and the temperature of the fermented product is increased while stirring.
In summary, in the embodiment, according to the pig manure biogas circulation heat pig raising equipment of the embodiment, the composite material formed by fully stirring and mixing the silicon carbide and the cement of the pig manure biogas circulation heat pig raising equipment has the characteristics of high strength, good corrosion resistance and high temperature resistance. The foaming cement fully foams a foaming agent in a mechanical mode through a foaming system of a foaming machine, and the foam and cement slurry are uniformly mixed to form a novel light heat-insulating material containing a large number of closed air holes. The glass wool heat-insulating layer has the characteristics of small volume density, thermal conductivity , heat insulation, corrosion resistance, stable chemical performance and the like. Compared with the traditional stirring rod, the circular stirring plate 9 increases the contact area with the fermentation product, has more uniform stirring effect, and fully contacts the microorganisms and the organic matters, thereby promoting the gas production of the methane. When the temperature in the methane tank is low, the electric heating wire 10 heats the stirring plate 9, so that the temperature of the fermentation product is increased, and the gas production efficiency is improved. The movable cover 17 and the fixed cover 16 are both composed of an inner layer made of hollow heat-insulating glass and an outer layer made of subglobic force. The heat preservation cover 13 is in threaded connection with the fixed base 12, and is convenient to detach, the fixed base 12 is inserted into the ground to avoid loosening, the fixed cover 16 and the movable cover 17 seal the feeding channel 25 to achieve the heat preservation effect, and meanwhile rain and snow caused by poor sealing of the feeding channel 25 are prevented from entering the methane tank. The inner layer made of the hollow heat-insulating glass has temperature difference on two sides of the glass, a certain cavity is reserved between the glass and the glass, and the periphery of the inner layer is sealed, so that the convection of gas is reduced, a good heat-insulating effect is achieved, and the outer layer made of the ya keli has the effect of protecting the hollow heat-insulating glass. The movable cover 17 can be locked at ordinary times, so that the phenomenon that people drop inflammable and explosive materials into the methane tank to cause explosion is avoided.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (10)
1. The pig raising equipment with the pig manure and the biogas circulating heat is characterized by comprising a biogas digester and a digester arch (11) which are both arranged underground and at the top of the biogas digester, wherein a feeding channel (25) which is arranged above the ground is arranged at the top of the digester arch (11), the biogas digester and the digester arch (11) both comprise an inner wall (1) and an outer wall (2) which is arranged at the outer side of the inner wall (1), a heat-insulating interlayer (24) is arranged between the inner wall (1) and the outer wall (2), the inner wall (1) comprises a heat-insulating inner layer (3), the outer wall (2) comprises a heat-insulating outer layer (5), a heat-insulating layer (4) is arranged on one side of the heat-insulating inner layer (3) and one side of the heat-insulating outer layer (5) which are close to the heat-insulating interlayer (24), a fixed base (12) is arranged on the outer side of the feeding channel (25), and a heat, the methane tank is characterized in that a heating box (22) is arranged on the tank arch (11), a motor (23) is arranged inside the heating box (22), and an output shaft of the motor (23) penetrates through the tank arch (11) to be connected with a stirring device (6) located inside the methane tank.
2. The pig raising equipment with pig manure and biogas circulation heat as claimed in claim 1, wherein the heat-preservation inner layer (3) is made of concrete, the heat-preservation outer layer (5) is made of a composite material formed by fully stirring and mixing silicon carbide and cement, and the thickness of the heat-preservation outer layer (5) is 5-8 cm.
3. The pig raising equipment with pig manure and biogas circulation heat as claimed in claim 1, wherein the heat insulation layer (4) is a composite material formed by fully stirring and mixing polystyrene particles and foaming cement, and the thickness of the heat insulation layer (4) is 3-5 cm.
4. The pig raising equipment with pig manure and biogas circulation heat as claimed in claim 1, wherein the heat-insulating interlayer (24) is a glass wool heat-insulating layer, and the thickness of the heat-insulating interlayer (24) is 1.5-2.5 cm.
5. The pig raising equipment according to claim 1, wherein the stirring device (6) comprises a connecting rod (7) connected to an output shaft of the motor (23), a stirring rod (8) is connected to the bottom of the connecting rod (7), stirring plates (9) are arranged at two ends of the stirring rod (8), the stirring plates (9) are circular, heating wires (10) are arranged inside the stirring plates (9), and the heating wires (10) are connected with the heating box (22) through wires.
6. The pig raising apparatus with pig manure and biogas circulation and heat preservation as claimed in claim 1, wherein the fixed base (12) is inserted into the ground, and the heat preservation cover (13) is movably connected with the fixed base (12).
7. The pig raising equipment with pig manure and biogas circulation and heat preservation as claimed in claim 1, wherein the heat preservation cover (13) comprises a connecting base (14) in threaded connection with the fixed base (12), a support rod (15) is arranged on the top of the connecting base (14), one end of the support rod (15) is provided with a quarter hollow spherical fixed cover (16), and the other end of the support rod (15) is provided with a movable cover (17) in sliding connection with the fixed cover (16).
8. The pig raising apparatus with pig manure and biogas circulation and heat supply as claimed in claim 7, wherein the outer wall of the movable cover (17) is provided with a sealing strip (18), and the movable cover (17) is provided with a handle (19).
9. The pig raising apparatus with pig manure and biogas circulation and heat preservation as claimed in claim 7, wherein the movable cover (17) is located inside the fixed cover (16), the top of the connection base (14) is provided with a sealing ring (20) for sealing a gap between the movable cover (17) and the connection base (14), the connection base (14) is provided with a mounting opening (21), and the feeding channel (25) penetrates through the mounting opening (21).
10. The pig-waste biogas circulating hot-farming facility of claim 7, wherein the movable cover (17) and the fixed cover (16) are both composed of an inner layer made of hollow insulating glass and an outer layer made of ya ge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863119.7A CN111955351A (en) | 2020-08-25 | 2020-08-25 | Pig excrement biogas circulation heat pig raising equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863119.7A CN111955351A (en) | 2020-08-25 | 2020-08-25 | Pig excrement biogas circulation heat pig raising equipment |
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| CN111955351A true CN111955351A (en) | 2020-11-20 |
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| CN202010863119.7A Pending CN111955351A (en) | 2020-08-25 | 2020-08-25 | Pig excrement biogas circulation heat pig raising equipment |
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| JP2002307096A (en) * | 2001-04-11 | 2002-10-22 | Kubota Corp | Pretreatment method and equipment in animal waste treatment facility |
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