CN206799603U - It is easy to the methane-generating pit of sick dead pig and afterbirth input - Google Patents
It is easy to the methane-generating pit of sick dead pig and afterbirth input Download PDFInfo
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- CN206799603U CN206799603U CN201720280313.6U CN201720280313U CN206799603U CN 206799603 U CN206799603 U CN 206799603U CN 201720280313 U CN201720280313 U CN 201720280313U CN 206799603 U CN206799603 U CN 206799603U
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- marsh gas
- pool
- gas fermentation
- drainage conduit
- feed pipe
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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
- 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
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Abstract
The utility model discloses a kind of methane-generating pit for being easy to sick dead pig and afterbirth input, belongs to biogas facility technology field.Including marsh gas fermentation pool, feed pipe, drainage conduit, biogas pipe；Upper opening is provided between feed pipe and marsh gas fermentation pool and bottom position is higher than the filling pocket and secondary feed pipe of marsh gas fermentation pool liquid level, filling pocket is connected by being less than marsh gas fermentation pool liquid level with the outlet port of volume marsh gas fermentation pool, secondary feed pipe by secondary feed pipe；Filling pocket is sector, and its arc side connects feed pipe, the bottom connecting secondary feed pipe of acute angle side；Buffer pool and buffering drainage conduit are additionally provided between drainage conduit and marsh gas fermentation pool, buffering drainage conduit connection marsh gas fermentation pool and buffer pool, have effectively sick dead pig, stillborn foetus and afterbirth to be pressed into marsh gas fermentation pool and ferment, prevent that bone is accumulated and blocks biogas slurry outlet in fermentation vat, reduce sick dead pig and produce secondary pollution, avoid clear up biogas slurry outlet obstruction cause building waste, extend biogas engineering service life the advantages that.
Description
Technical field
A kind of methane-generating pit is the utility model is related to, especially a kind of methane-generating pit for being easy to sick dead pig and afterbirth input, is belonged to
Biogas facility technology field.
Background technology
When dispensing sick dead pig is entered, sick dead pig can not sink to inside marsh gas fermentation pool but float traditional methane tank
In dog-house, dog-house blocking is not only resulted in, and sick dead pig produces secondary pollution after dog-house rots；Even if force people
Power sinks to sick dead pig in methane-generating pit after fermentation, because the bone of pig can not be fermented decomposition, with much time using, biogas
The bulk deposition of bone in fermentation vat, makes biogas slurry outlet obstruction, and biogas fermentation top cover must be opened by clearing up, and causes very big
Building wastes, and shortens the service life of biogas engineering.
The content of the invention
Technical problem to be solved in the utility model is that the sick dead pig launched for existing methane-generating pit is sunk in methane-generating pit
Difficulty, the deficiency of dog-house blocking and secondary pollution is easily caused, proposes a kind of methane-generating pit for being easy to sick dead pig and afterbirth input,
Easily sick dead pig can be put into and sunk in methane-generating pit and fermented, and prevent that accumulation is stifled when bone is discharged with biogas slurry in fermentation vat
Plug outlet.
In order to solve the above technical problems, the utility model provides a kind of methane-generating pit for being easy to sick dead pig and afterbirth input, bag
Marsh gas fermentation pool 5, feed pipe 9, drainage conduit 1, biogas pipe 6 are included, feed pipe 9 is connected with pig farm sewage ditch；The feed pipe 9 with
The filling pocket 8 and secondary feed pipe 7 of upper opening are provided between marsh gas fermentation pool 5, the bottom position of filling pocket 8 is sent out higher than biogas
The liquid level of ferment pond 5, the import of secondary feed pipe 7 are connected with the bottom of filling pocket 8, outlet and the phase of marsh gas fermentation pool 5 of secondary feed pipe 7
Even, less than at the liquid level position of marsh gas fermentation pool 5 in the side wall of the side of marsh gas fermentation pool 5.
The volume of the marsh gas fermentation pool 5 is 50-80 times of the daily sewage flow rate in pig farm, the liquid level of marsh gas fermentation pool 5
Depth h5 >=2m.
Preferably, the bottom position of filling pocket 8（Lowest part）Higher than more than the liquid level 20cm of marsh gas fermentation pool 5；It is secondary
The outlet upper end position of feed pipe 7 is less than the liquid level 40-60cm of marsh gas fermentation pool 5, i.e. secondary feed pipe outlet is less than biogas fermentation
Pond liquid level h4=40-60cm；Caliber >=30cm of secondary feed pipe 7.
Preferably, the bottom surface of the filling pocket 8 is the inclined-plane being had a down dip to marsh gas fermentation pool side（I.e. filling pocket bottom surface from
Its outside inwardly rolls tiltedly, is easy to sick dead pig, afterbirth and sewage to flow into marsh gas fermentation pool 5；When for arc filling pocket when, its bottom
Face has a down dip from the lateral acute side of arc）；The capacity of filling pocket 8 is 1.5-2.5m3.
Preferably, filling pocket bottom surface inclination alpha is 15o-30o.
The horizontal cross-section of the filling pocket 8 is sector, the arc side upper middle position connection feed pipe 9 of filling pocket 8,
The bottom connecting secondary feed pipe 7 of acute angle side.Liquid manure, sewage from pig farm enter through feed pipe 9 from arc side to be thrown
Material pond 8, then enter marsh gas fermentation pool 5 from the bottom of its acute angle side through secondary feed pipe 7.
Preferably, the filling pocket acute angles beta is 15o-45o, filling pocket sector radius of the radian is 1-2m.
The volume of marsh gas fermentation pool 5, the level h5 of marsh gas fermentation pool, the tankage that feeds intake, filling pocket bottom surface inclination alpha,
Filling pocket acute angles beta, filling pocket sector radius of the radian, filling pocket bottom position height, and secondary feed pipe outlet are less than biogas
Fermentation vat liquid level h4, can according to specific determination is actually needed, ensure sewage can form enough hydraulic pressure and suction and
Sick dead pig and afterbirth suction pressure are entered in marsh gas fermentation pool 5.The caliber of secondary feed pipe 7 according to being actually needed specific determination,
Ensure that sick dead pig and afterbirth can cross the pipe with liquid manure, sewage flow and enter marsh gas fermentation pool 5.
Buffer pool 3 and buffering drainage conduit 4 are additionally provided between the drainage conduit 1 and marsh gas fermentation pool 5, buffering drainage conduit 4
Import is connected with marsh gas fermentation pool 5, the side wall upper part positioned at the side of marsh gas fermentation pool 5, buffers outlet and the buffer pool of drainage conduit 4
3 connections, the side wall upper part positioned at the inner side of buffer pool 3, drainage conduit 1 are connected with buffer pool 3, positioned at the outer upper of buffer pool 3, discharge
The position of pipe 1 is higher than buffering drainage conduit 4, and the upper port of buffer pool 3 is without cover plate（The convenient pig bone residue salvaged in pond）.
Preferably, the bottom position of the buffer pool 3 is less than the liquid level 80-120cm of marsh gas fermentation pool 5, i.e. buffer pool bottom
Portion is less than marsh gas fermentation pool liquid level h2=80-120cm；The buffering upper port of drainage conduit 4 is less than the liquid level 10- of marsh gas fermentation pool 5
50cm, that is, buffer drainage conduit and be less than marsh gas fermentation pool liquid level h1=10-50cm；The buffering upper port of drainage conduit 4 is less than drainage conduit
1 upper port 5-20cm, that is, buffer drainage conduit and be less than drainage conduit height h3=5-20cm；Buffer caliber >=20cm of drainage conduit 4；It is slow
The capacity for rushing pond 3 is 2-2.5m3.
The porch of drainage conduit 1 is provided with filter screen 2 in the side wall of the buffer pool 3, to intercept pig bone residue, prevents drainage conduit
Block.
Buffering drainage conduit is less than marsh gas fermentation pool liquid level less than marsh gas fermentation pool liquid level h1, buffer pool bottom
H2, buffering drainage conduit can be according to reality less than drainage conduit height h3, the capacity of buffer pool 3 and buffering drainage conduit 4 caliber
Need specifically to determine, ensure that discharge is smooth and pig bone residue can fully buffer filtering in buffer pool 3, can then be facilitated
Salvage on ground.
The utility model passes through in filling pocket of the sludge gas pond feed front end set location higher than methane-generating pit liquid level, all dirts
Water first passes through filling pocket, enters marsh gas fermentation pool through being deep into the secondary drainage pipe below methane-generating pit liquid level again.When needing to put into
When sick dead pig, stillborn foetus and afterbirth, these waste materials are directly put into filling pocket, sewage can utilizes hydraulic pressure, waste material suction pressure is entered
Fermented in marsh gas fermentation pool.Because filling pocket uses sector structure, curved edge is arranged to wastewater inlet, acute angle mouth and natural pond
Gas pond connects, and pressure of the sewage into marsh gas fermentation pool and the suction to debris is enhanced, so as to put into filling pocket
In sick dead pig, stillborn foetus and afterbirth suction pressure enter in marsh gas fermentation pool.Meanwhile band is set by the water outlet in marsh gas fermentation pool
The buffer pool of filter screen, its one end connect the buffering drainage conduit of marsh gas fermentation pool（After discharging sewage in marsh gas fermentation pool and fermenting
Pig bone residue）, the other end connection drainage conduit（As discharge outlet）, drainage conduit（Discharge outlet）Position higher than buffering drainage conduit, from
And the buffering to pig bone residue after fermentation is formed, then coordinate filter screen to intercept pig bone residue and easily salvage it, can effectively it prevent
Only biogas slurry outlet obstruction.
Compared with prior art, the utility model, which has, to be effectively pressed into marsh gas fermentation pool by sick dead pig, stillborn foetus and afterbirth
Interior fermentation, prevent the bulk deposition of bone in marsh gas fermentation pool and block biogas slurry outlet, reduce plant's pollution and sick dead pig production
Raw secondary pollution, the building for reducing cleaning biogas slurry outlet obstruction waste, the advantages that extending biogas engineering service life.
Brief description of the drawings
Fig. 1 is the utility model main view schematic cross-sectional view.
Fig. 2 is the utility model schematic top plan view.
In figure：1- drainage conduits, 2- filter screens, 3- buffer pools, 4- buffering drainage conduits, 5- marsh gas fermentation pools, 6- biogas pipes, 7-
Secondary feed pipe, 8- filling pockets, 9- feed pipes, h1- buffering drainage conduits are less than marsh gas fermentation pool liquid level, h2- buffer pools bottom
Portion is less than marsh gas fermentation pool liquid level, and h3- buffering drainage conduits are less than natural pond less than drainage conduit height, the outlet of h4- secondary feed pipes
Gas fermentation vat liquid level, the level of h5- marsh gas fermentation pools, α-filling pocket bottom surface inclination angle, β-filling pocket acute angle.
Embodiment
Specific embodiment of the present utility model is further described in detail below in conjunction with the accompanying drawings, it is unreceipted in embodiment
Technology or product, be prior art or can by buy obtain conventional products.
Embodiment 1：As shown in Figure 1-2, the methane-generating pit for being originally easy to sick dead pig and afterbirth to put into, including marsh gas fermentation pool 5, enter
Expects pipe 9, drainage conduit 1, biogas pipe 6, feed pipe 9 are connected with pig farm sewage ditch；Between the feed pipe 9 and marsh gas fermentation pool 5
Filling pocket 8 and secondary feed pipe 7 provided with upper opening, the bottom position of filling pocket 8 is higher than the liquid level of marsh gas fermentation pool 5, secondary
The import of feed pipe 7 is connected with the bottom of filling pocket 8, and the outlet of secondary feed pipe 7 is connected with marsh gas fermentation pool 5, sent out positioned at biogas
Less than at the liquid level position of marsh gas fermentation pool 5 in the side wall of the side of ferment pond 5.The volume of marsh gas fermentation pool 5 is the daily sewage in pig farm
50 times of discharge capacity, level h5=2m of marsh gas fermentation pool 5.
The bottom position of filling pocket 8（Lowest part）Higher than the liquid level 20cm of marsh gas fermentation pool 5；The outlet upper end of secondary feed pipe 7
Position is less than the liquid level 40cm of marsh gas fermentation pool 5, i.e. height h4=40cm of the secondary feed pipe outlet less than marsh gas fermentation pool liquid level；
Caliber=30cm of secondary feed pipe 7.The bottom surface of filling pocket 8 is from the inclined-plane that the lateral acute side of arc has a down dip；The water of filling pocket 8
Plane section is sector, and the arc side upper middle position of filling pocket 8 connects feed pipe 9, the bottom connecting secondary of acute angle side
Feed pipe 7；The liquid manure on pig farm, sewage enter filling pocket 8 through feed pipe 9 from arc side, then from the bottom of its acute angle side
Enter marsh gas fermentation pool 5 through secondary feed pipe 7.Filling pocket bottom surface inclination alpha is 30o, and filling pocket acute angles beta is 15o, and filling pocket is fan-shaped
Radius of the radian is 1m, and the capacity of filling pocket 8 is 1.5m3.
Buffer pool 3 and buffering drainage conduit 4 are additionally provided between drainage conduit 1 and marsh gas fermentation pool 5, buffers the import of drainage conduit 4
It is connected with marsh gas fermentation pool 5, the side wall upper part positioned at the side of marsh gas fermentation pool 5, the outlet of buffering drainage conduit 4 connects with buffer pool 3
Connect, the side wall upper part positioned at the inner side of buffer pool 3, drainage conduit 1 is connected with buffer pool 3, positioned at the outer upper of buffer pool 3, drainage conduit 1
Position higher than buffering drainage conduit 4, the upper port of buffer pool 3 is without cover plate（The convenient pig bone residue salvaged in pond）.The bottom of buffer pool 3
Position is set low is less than marsh gas fermentation pool liquid level h2=80cm in the liquid level 80cm of marsh gas fermentation pool 5, i.e. buffer pool bottom；Buffering
The upper port of drainage conduit 4 is less than the liquid level 10cm of marsh gas fermentation pool 5, that is, buffer drainage conduit less than marsh gas fermentation pool liquid level h1=
10cm；The buffering upper port of drainage conduit 4 is less than the upper port 5cm of drainage conduit 1, that is, buffers drainage conduit and be less than drainage conduit height h3=5cm.
The capacity of buffer pool 3 is 2m3.The porch of drainage conduit 1 is provided with filter screen 2 in the side wall of buffer pool 3, to intercept pig bone residue, prevents
Only discharge blockage.Buffer caliber=20cm of drainage conduit 4.
Embodiment 2：As shown in Figure 1-2, as shown in Figure 1-2, originally it is easy to the methane-generating pit of sick dead pig and afterbirth input, including natural pond
Gas fermentation vat 5, feed pipe 9, drainage conduit 1, biogas pipe 6, feed pipe 9 are connected with pig farm sewage ditch；The feed pipe 9 and biogas
The filling pocket 8 and secondary feed pipe 7 of upper opening are provided between fermentation vat 5, the bottom position of filling pocket 8 is higher than marsh gas fermentation pool
5 liquid levels, the import of secondary feed pipe 7 are connected with the bottom of filling pocket 8, the outlet of secondary feed pipe 7 is connected with marsh gas fermentation pool 5,
Less than at the liquid level position of marsh gas fermentation pool 5 in the side wall of the side of marsh gas fermentation pool 5.The volume of marsh gas fermentation pool 5 is pig
60 times of the daily sewage flow rate in field, level h5=2.5m of marsh gas fermentation pool 5.
The bottom position of filling pocket 8（Lowest part）Higher than the liquid level 30cm of marsh gas fermentation pool 5；The outlet upper end of secondary feed pipe 7
Position is less than the liquid level 50cm of marsh gas fermentation pool 5, i.e. height h4=50cm of the secondary feed pipe outlet less than marsh gas fermentation pool liquid level；
Caliber=35cm of secondary feed pipe 7.The bottom surface of filling pocket 8 is from the inclined-plane that the lateral acute side of arc has a down dip；The water of filling pocket 8
Plane section is sector, and the arc side upper middle position of filling pocket 8 connects feed pipe 9, the bottom connecting secondary of acute angle side
Feed pipe 7；The liquid manure on pig farm, sewage enter filling pocket 8 through feed pipe 9 from arc side, then from the bottom of its acute angle side
Enter marsh gas fermentation pool 5 through secondary feed pipe 7.Filling pocket bottom surface inclination alpha is 20o, and filling pocket acute angles beta is 25o, and filling pocket is fan-shaped
Radius of the radian is 1.5m, and the capacity of filling pocket 8 is 2m3.
Buffer pool 3 and buffering drainage conduit 4 are additionally provided between drainage conduit 1 and marsh gas fermentation pool 5, buffers the import of drainage conduit 4
It is connected with marsh gas fermentation pool 5, the side wall upper part positioned at the side of marsh gas fermentation pool 5, the outlet of buffering drainage conduit 4 connects with buffer pool 3
Connect, the side wall upper part positioned at the inner side of buffer pool 3, drainage conduit 1 is connected with buffer pool 3, positioned at the outer upper of buffer pool 3, drainage conduit 1
Position higher than buffering drainage conduit 4, the upper port of buffer pool 3 is without cover plate（The convenient pig bone residue salvaged in pond）.The bottom of buffer pool 3
Position is set low is less than marsh gas fermentation pool liquid level h2=100cm in the liquid level 100cm of marsh gas fermentation pool 5, i.e. buffer pool bottom；It is slow
Rush the upper port of drainage conduit 4 and be less than the liquid level 30cm of marsh gas fermentation pool 5, that is, buffer drainage conduit less than marsh gas fermentation pool liquid level h1=
30cm；Buffering the upper port of drainage conduit 4 be less than the upper port 10cm of drainage conduit 1, that is, buffer drainage conduit be less than drainage conduit height h3=
10cm.The capacity of buffer pool 3 is 2.3m3.The porch of drainage conduit 1 is provided with filter screen 2 in the side wall of buffer pool 3, to intercept pig bone
Residue, prevent discharge blockage.Buffer caliber=25cm of drainage conduit 4.
Embodiment 3：As shown in Figure 1-2, this as shown in Figure 1-2, is originally easy to the methane-generating pit of sick dead pig and afterbirth input, including
Marsh gas fermentation pool 5, feed pipe 9, drainage conduit 1, biogas pipe 6, feed pipe 9 are connected with pig farm sewage ditch；The feed pipe 9 and natural pond
The filling pocket 8 and secondary feed pipe 7 of upper opening are provided between gas fermentation vat 5, the bottom position of filling pocket 8 is higher than biogas fermentation
The liquid level of pond 5, the import of secondary feed pipe 7 are connected with the bottom of filling pocket 8, outlet and the phase of marsh gas fermentation pool 5 of secondary feed pipe 7
Even, less than at the liquid level position of marsh gas fermentation pool 5 in the side wall of the side of marsh gas fermentation pool 5.The volume of marsh gas fermentation pool 5 is foster
80 times of the daily sewage flow rate in pig farm, level h5=3m of marsh gas fermentation pool 5.
The bottom position of filling pocket 8（Lowest part）Higher than the liquid level 40cm of marsh gas fermentation pool 5；The outlet upper end of secondary feed pipe 7
Position is less than the liquid level 60cm of marsh gas fermentation pool 5, i.e. height h4=60cm of the secondary feed pipe outlet less than marsh gas fermentation pool liquid level；
Caliber=40cm of secondary feed pipe 7.The bottom surface of filling pocket 8 is from the inclined-plane that the lateral acute side of arc has a down dip；The water of filling pocket 8
Plane section is sector, and the arc side upper middle position of filling pocket 8 connects feed pipe 9, the bottom connecting secondary of acute angle side
Feed pipe 7；The liquid manure on pig farm, sewage enter filling pocket 8 through feed pipe 9 from arc side, then from the bottom of its acute angle side
Enter marsh gas fermentation pool 5 through secondary feed pipe 7.Filling pocket bottom surface inclination alpha is 15o, and filling pocket acute angles beta is 45o, and filling pocket is fan-shaped
Radius of the radian is 2m, and the capacity of filling pocket 8 is 2.5m3.
Buffer pool 3 and buffering drainage conduit 4 are additionally provided between drainage conduit 1 and marsh gas fermentation pool 5, buffers the import of drainage conduit 4
It is connected with marsh gas fermentation pool 5, the side wall upper part positioned at the side of marsh gas fermentation pool 5, the outlet of buffering drainage conduit 4 connects with buffer pool 3
Connect, the side wall upper part positioned at the inner side of buffer pool 3, drainage conduit 1 is connected with buffer pool 3, positioned at the outer upper of buffer pool 3, drainage conduit 1
Position higher than buffering drainage conduit 4, the upper port of buffer pool 3 is without cover plate（The convenient pig bone residue salvaged in pond）.The bottom of buffer pool 3
Position is set low is less than marsh gas fermentation pool liquid level h2=120cm in the liquid level 120cm of marsh gas fermentation pool 5, i.e. buffer pool bottom；It is slow
Rush the upper port of drainage conduit 4 and be less than the liquid level 50cm of marsh gas fermentation pool 5, that is, buffer drainage conduit less than marsh gas fermentation pool liquid level h1=
50cm；Buffering the upper port of drainage conduit 4 be less than the upper port 20cm of drainage conduit 1, that is, buffer drainage conduit be less than drainage conduit height h3=
20cm.The capacity of buffer pool 3 is 2.5m3.The porch of drainage conduit 1 is provided with filter screen 2 in the side wall of buffer pool 3, to intercept pig bone
Residue, prevent discharge blockage.Buffer caliber=30cm of drainage conduit 4.
Technology contents of the present utility model are described above in conjunction with accompanying drawing, but the scope of protection of the utility model is not
It is limited to the content, can also be not depart from this practicality new in one skilled in the relevant art's possessed knowledge
Technology contents of the present utility model are made a variety of changes on the premise of type objective, it is all the spirit and principles of the utility model it
It is interior, any modification, equivalent substitution and improvements done etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of methane-generating pit for being easy to sick dead pig and afterbirth input, including marsh gas fermentation pool（5）, feed pipe（9）, drainage conduit（1）、
Biogas pipe（6）, feed pipe（9）It is connected with pig farm sewage ditch, it is characterised in that the feed pipe（9）With marsh gas fermentation pool（5）
Between be provided with upper opening filling pocket（8）And secondary feed pipe（7）, filling pocket（8）Bottom position be higher than marsh gas fermentation pool
（5）Liquid level, secondary feed pipe（7）Import and filling pocket（8）Bottom is connected, secondary feed pipe（7）Outlet and biogas fermentation
Pond（5）It is connected, positioned at marsh gas fermentation pool（5）It is less than marsh gas fermentation pool in the side wall of side（5）At liquid level position.
2. the methane-generating pit according to claim 1 for being easy to sick dead pig and afterbirth input, it is characterised in that：The biogas fermentation
Pond（5）Volume be 50-80 times of the daily sewage flow rate in pig farm, marsh gas fermentation pool（5）Level h5 >=2m.
3. the methane-generating pit according to claim 1 for being easy to sick dead pig and afterbirth input, it is characterised in that：The filling pocket
（8）Bottom position is higher than marsh gas fermentation pool（5）More than liquid level 20cm；Secondary feed pipe（7）Outlet upper end position be less than biogas
Fermentation vat（5）Liquid level 40-60cm, secondary feed pipe（7）Caliber >=30cm.
4. the methane-generating pit according to claim 1 for being easy to sick dead pig and afterbirth input, it is characterised in that：The filling pocket
（8）Bottom surface be the inclined-plane that is had a down dip to marsh gas fermentation pool side, filling pocket（8）Volume be 1.5-2.5m3.
5. the methane-generating pit according to claim 4 for being easy to sick dead pig and afterbirth input, it is characterised in that：The filling pocket bottom
Face inclination alpha is 15o-30o.
6. the methane-generating pit according to claim 1 for being easy to sick dead pig and afterbirth input, it is characterised in that：The filling pocket
（8）Horizontal cross-section for sector, filling pocket（8）Arc side upper middle position connection feed pipe（9）, acute angle side bottom
Portion's connecting secondary feed pipe（7）.
7. the methane-generating pit according to claim 6 for being easy to sick dead pig and afterbirth input, it is characterised in that：The filling pocket is sharp
Angle beta is 15o-45o, and filling pocket sector radius of the radian is 1-2m.
8. the methane-generating pit for being easy to sick dead pig and afterbirth input according to claim any one of 1-7, it is characterised in that：It is described
Drainage conduit（1）With marsh gas fermentation pool（5）Between be additionally provided with buffer pool（3）With buffering drainage conduit（4）, buffer drainage conduit（4）Enter
Mouth and marsh gas fermentation pool（5）Connect, positioned at marsh gas fermentation pool（5）The side wall upper part of side, buffer drainage conduit（4）Outlet with it is slow
Rush pond（3）Connect, positioned at buffer pool（3）The side wall upper part of inner side, drainage conduit（1）With buffer pool（3）Connect, positioned at buffer pool
（3）Outer upper, drainage conduit（1）Position higher than buffering drainage conduit（4）, buffer pool（3）Upper port is without cover plate.
9. the methane-generating pit according to claim 8 for being easy to sick dead pig and afterbirth input, it is characterised in that：The buffer pool
（3）Bottom position be less than marsh gas fermentation pool（5）Liquid level 80-120cm, buffer drainage conduit（4）Upper port is less than marsh gas fermentation pool
（5）Liquid level 10-50cm, buffer drainage conduit（4）Upper port is less than drainage conduit（1）Upper port 5-20cm, buffer drainage conduit（4）Pipe
Footpath >=20cm, buffer pool（3）Capacity be 2-2.5m3.
10. the methane-generating pit according to claim 8 for being easy to sick dead pig and afterbirth input, it is characterised in that：The buffer pool
（3）Side wall on drainage conduit（1）Porch is provided with filter screen（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280313.6U CN206799603U (en) | 2017-03-22 | 2017-03-22 | It is easy to the methane-generating pit of sick dead pig and afterbirth input |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280313.6U CN206799603U (en) | 2017-03-22 | 2017-03-22 | It is easy to the methane-generating pit of sick dead pig and afterbirth input |
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| Publication Number | Publication Date |
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| CN206799603U true CN206799603U (en) | 2017-12-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106916731A (en) * | 2017-03-22 | 2017-07-04 | 剑川家家俏种猪有限公司 | It is easy to the methane-generating pit of sick dead pig and afterbirth input |
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2017
- 2017-03-22 CN CN201720280313.6U patent/CN206799603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106916731A (en) * | 2017-03-22 | 2017-07-04 | 剑川家家俏种猪有限公司 | It is easy to the methane-generating pit of sick dead pig and afterbirth input |
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