CN106479865A - A kind of methane-generating pit - Google Patents
A kind of methane-generating pit Download PDFInfo
- Publication number
- CN106479865A CN106479865A CN201610891301.7A CN201610891301A CN106479865A CN 106479865 A CN106479865 A CN 106479865A CN 201610891301 A CN201610891301 A CN 201610891301A CN 106479865 A CN106479865 A CN 106479865A
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- China
- Prior art keywords
- air inlet
- inlet pipe
- methane
- generating pit
- sealing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/26—Conditioning fluids entering or exiting the reaction vessel
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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
Abstract
The invention provides a kind of methane-generating pit, belong to biogas field.It solves the problems, such as that existing methane-generating pit wastes biogas in slagging-off.This methane-generating pit includes cell body and covers on cell body and have the Chi Gai of gas outlet, cell body side is provided with gas receiver, pond tops have tubular junction, it is inserted with air inlet pipe in connecting portion, connecting portion is stretched out in air inlet pipe upper end, is provided with the detachable locking mechanism that can limit air inlet pipe slip between air inlet pipe and connecting portion；Pond tops are provided with the appendix in Qian font, and this appendix two ends is respectively intake section and portion of giving vent to anger, and intake section is enclosed within outside air inlet pipe upper end, and the portion of giving vent to anger passes through bearing and gas receiver top axial restraint, the inner space of give vent to anger portion and gas receiver；It is fixed with air-introduced machine in gas receiver, in intake section, is provided with the one-way mechanism making its one-way conduction, the conducting direction of one-way mechanism is identical with flowing to of biogas, in air inlet pipe, be provided with the thimble that can force intake section conducting.This methane-generating pit has the advantages that during slagging-off that reducing biogas wastes.
Description
Technical field
The invention belongs to biogas field, it is related to a kind of methane-generating pit.
Background technology
Biogas can not only be used for the illuminating energy, but also as the gas energy of cooking.Due to producing the main of biogas
Raw material comes from crops, can greatly reduce the consumption of forest tree resource and the consumption of coal-fired resource, therefore, biogas is in recent years
Carry out the more universal power-saving technology of popularization and application, be widely used in rural area.
Existing methane-generating pit is using construction materials such as traditional brick, sand, Calx, cement although building the side of methane-generating pit
Method is fairly simple, but the regular maintenance requirement after building up is very high, and fault is more in use, and for example, gas leakage is exactly natural pond
Gas pond modal fault in use, often because methane-generating pit and the poor sealing of lid, leads to biogas to be revealed, causes not
Can normally supply.Existing methane-generating pit needs also exist for artificially periodically removing methane slag, when needing except methane slag, needs first will cover
Son is opened and then is carried out except methane slag.Due to can there is certain biogas in methane-generating pit, when opening the lid due to methane-generating pit,
Part biogas can be caused to leak, cause the wasting of resources.
Content of the invention
The purpose of the present invention is to there are the problems referred to above for existing technology it is proposed that a kind of methane-generating pit, the technology of solution
Problem is how to reduce the biogas causing during slagging-off to waste.
The purpose of the present invention can be realized by following technical proposal：A kind of methane-generating pit, including cell body and covering on cell body top
The Chi Gai in portion, and pond covers and is provided with gas outlet it is characterised in that the side of described cell body is provided with the gas storage with closing inner chamber
Bucket, the top of described Chi Gai has outwardly and in straight tube-like connecting portion, is inserted with air inlet pipe in connecting portion, and air inlet pipe
Upper end stretch out connecting portion, air inlet pipe can along connecting portion slide axially and be provided between the two can limit air inlet pipe slip can
Dismounting locking mechanism, passes through the first sealing ring and forms sealing between described air inlet pipe and connecting portion；The top of described Chi Gai
It is provided with the appendix in Qian font, the two ends of this appendix are respectively intake section and portion of giving vent to anger, and intake section and the portion of giving vent to anger are in all
Straight tube-like, intake section is enclosed within outside the upper end of air inlet pipe and forms sealing by sealing structure between the two, and the described portion of giving vent to anger leads to
Cross the top axial restraint of bearing and gas receiver, and the inner space of give vent to anger portion and gas receiver；Solid in described gas receiver
Surely there is the air-introduced machine that biogas can be incorporated in cell body in gas receiver through appendix；Being provided with described intake section makes it unidirectional
The one-way mechanism of conducting, and the conducting direction of one-way mechanism is identical with flowing to of biogas, is provided with and can force in described air inlet pipe
The thimble of intake section conducting.
During installation, the gas outlet that pond covers is connected with user's pipeline by valve, provides the user biogas；
During use, marsh gas raw materials are placed in cell body and are fermented, and biogas storage produced by fermentation, in cell body, works as cell body
Man Hou, biogas passes sequentially through connecting portion, air inlet pipe, appendix and is stored in gas receiver；
Need remove fermenting raw materials after produce residue and more renew raw material when, first start air-introduced machine, will be positioned at cell body
Interior biogas passes sequentially through connecting portion, air inlet pipe and appendix and is fully imbibed in gas receiver, and then slide downward air inlet pipe makes
It completely disengages from out in intake section, and now one-way mechanism is not subject to the active force of thimble, makes intake section be in closed state, with
Prevent the biogas being in gas receiver from leaking, then rotate appendix and make it away from Chi Gai, finally Chi Gai is taken down taking-up residue
And the more marsh gas raw materials that renew.
In air-introduced machine, air inlet pipe, appendix and under this collective effect of the connecting portion that pond covers, can be by
Biogas in cell body is completely withdrawn in gas receiver；Secondly, in the presence of one-way mechanism, make the intake section on appendix in pendulum
It is in closed state, thus avoiding the biogas in gas receiver to leak, thus realizing effectively keeping away when removing residue during de- air inlet pipe
Exempt from biogas leakage and cause unnecessary waste.
In above-mentioned methane-generating pit, described gas receiver includes staving and the bung covering on staving, and staving and bung
It is fixed together, the top of described bung has inducing QI portion protruding upward, the portion of giving vent to anger is inserted in inducing QI portion and between the two
Sealing is formed by the second sealing ring, the medial wall that described inducing QI portion is located at upper port is provided with step groove annular in shape,
Described bearing in step groove, fixed with inducing QI portion by the outer ring of this bearing, and the inner ring of bearing is fixed with the portion of giving vent to anger.
There are two effects in inducing QI portion：1st, position portion of giving vent to anger, make inducing QI portion together with portion's pre-determined bit of giving vent to anger, conveniently subsequently lead
Gas portion and the installation in portion of giving vent to anger；2nd, position bearing, facilitate inducing QI portion, the assembling of give vent to anger portion and this three of bearing.
In above-mentioned methane-generating pit, the lateral wall in described portion of giving vent to anger is provided with annular groove, and annular groove is located at bucket
Between lid and bearing, described the second sealing ring is located in annular groove, and the lateral wall of the second sealing ring and inducing QI portion is interior
Side wall offsets.
In the presence of annular groove, preferable positioning action is played to the second sealing ring, to strengthen inducing QI portion and to give vent to anger
Form the reliability of sealing between portion, so just can prevent biogas from passing through inducing QI portion and the connecting sewing given vent to anger between portion leaks out
Go, the purpose that when making reduction remove the gred, biogas wastes stably is realized.
In above-mentioned methane-generating pit, the outside in described inducing QI portion is bolted with pressure cap, and the described medial wall of pressure cap has
There is limit base annular in shape, and limit base is enclosed within outside the portion of giving vent to anger, the outer ring of described bearing is by being clipped in the lower surface of limit base
Fix with described inducing QI portion with the mode of the diapire of step groove.
Because pressure cap is that the mode being threaded connection is fixing with inducing QI portion, so just can be adjusted by rotating pressure cap
The distance between diapire of limit base and step groove, to adapt to different types of bearing (referring here to height), to reduce this
The assembling difficulty of methane-generating pit.
In above-mentioned methane-generating pit, it is bolted with support ring in the described upper end of air inlet pipe, is provided with rounded in support ring
Support base, and the central axis of support base and support ring is conllinear, and the side wall of described support base is by vertical bar shape
Connecting rod is connected with the medial wall of support ring, and described connecting rod has many and, adjacent two piece companies uniform along the circumference of support ring
Form a gas port, described thimble is in direct rod shape, and the lower end of this thimble is vertical with support base to be fixed between extension bar, and thimble
Air inlet pipe is stretched out in upper end.
Using above-mentioned structure, both facilitated the installation of thimble, and also ensured that the stability that thimble is positioned, enable thimble
Swimmingly force intake section one-way conduction, to improve the job stability of this methane-generating pit.
In above-mentioned methane-generating pit, described one-way mechanism includes being screwed onto in intake section and sealing ring annular in shape, institute
The top of the sealing ring stated is provided with spring one and the sealing plate for offseting with the upper end of thimble, described sealing plate downside
Recline with by the closing of the upper port of sealing ring with the upper surface of sealing ring, the two ends of described spring one respectively with sealing plate upper
The inwall of side and appendix offsets.
When intake section is enclosed within air inlet pipe, the upper end of thimble and sealing plate offset and force sealing plate to overcome spring one
Move on elastic force and the upper port of sealing ring is opened, so that intake section conducting, there is good operating stability.
In above-mentioned methane-generating pit, described sealing plate includes rubber blanket annular in shape and for offseting with thimble and being in
Circular plate body, the central axis of described sealing ring, rubber blanket and plate body three is conllinear, and described rubber blanket is solid with plate body
Determine, and the both ends of the surface of rubber blanket are reclined with the lower surface of plate body and the upper surface phase of sealing ring respectively.
In the presence of rubber blanket, so that forming reliable sealing between plate body and sealing ring, strengthen sealing ring is upper
The stability of port closed, so that the purpose that when reducing slagging-off, biogas wastes stably is realized.
In above-mentioned methane-generating pit, the downside of described plate body is provided with connecting hole, and this connecting hole is blind hole, when entering
When gas portion is enclosed within air inlet pipe, the upper end of thimble is inserted in connection in the hole and the upper surface of this thimble is offseted with the diapire of connecting hole.
By arranging connecting hole, thimble and plate body pre-connection are got up, enable thimble to be more stably driven with sealing
Plate overcomes shifting on the elastic force of spring one, to improve the job stability of this device further.
Alternatively, in above-mentioned methane-generating pit, described one-way mechanism includes being in ring on intake section medial wall
The convex shoulder of shape and being screwed onto in intake section and baffle ring annular in shape, described baffle ring is located at below convex shoulder, between baffle ring and convex shoulder
It is provided with the steel ball offseting for the upper end with thimble and make steel ball have to offset to close the upper port of baffle ring with baffle ring
The spring two of gesture.
During use, when intake section is enclosed within air inlet pipe, thimble and steel ball offset the elastic force forcing steel ball to overcome spring two
The upper port of baffle ring is opened by upper shifting, so that intake section conducting, has the advantages that good operating stability.
In above-mentioned methane-generating pit, described sealing structure includes on the lateral wall of air inlet pipe and sealing annular in shape
Groove, is provided with the 3rd sealing ring in described seal groove, and the lateral wall of the 3rd sealing ring is offseted with the medial wall of intake section.
In the presence of the 3rd sealing ring, make between intake section and air inlet pipe, to form reliable sealing, be prevented effectively from pumping
During biogas leakage, make reduction remove the gred when biogas waste purpose stably realize.
Alternatively, in above-mentioned methane-generating pit, described sealing structure include located at sealing ring and air inlet pipe it
Between sealing gasket, sealing gasket fixed with air inlet pipe, and the both ends of the surface of sealing gasket upper surface and the sealing ring with air inlet pipe respectively
Lower surface offsets.
In above-mentioned methane-generating pit, the first described sealing ring is located between detachable locking mechanism and pond lid, described
Detachable locking mechanism includes through the screwed hole one on the wall of connecting portion side, and screwed hole one has two and the circumference along connecting portion
Uniformly, all it is bolted with bolt one in each screwed hole one, and the lateral wall tight abutment of the end of bolt one and air inlet pipe.
By being threaded in or out bolt once can control locking or the separation of connecting portion and air inlet pipe, have easy to use
Advantage.
Alternatively, in above-mentioned methane-generating pit, described the first sealing ring be located at detachable locking mechanism and
Between the lid of pond, described detachable locking mechanism is included through the screwed hole two on the wall of connecting portion side, outside air inlet pipe
Screwed hole three on wall and the bolt two being screwed onto in screwed hole two, described screwed hole three has multiple and along air inlet pipe axial direction
Distribution, the end of described bolt two is screwed onto in one of screwed hole three.
Compared with prior art, this methane-generating pit has advantages below：
1st, in air-introduced machine, air inlet pipe, appendix and under this collective effect of the connecting portion that pond covers, permissible
Biogas in cell body is completely withdrawn in gas receiver；Secondly, in the presence of one-way mechanism, the intake section on appendix is made to exist
Break away from and during air inlet pipe, be in closed state, thus avoiding the biogas in gas receiver to leak, thus realizing effective when removing residue
Biogas leakage is avoided to cause unnecessary waste.
2nd, because pressure cap is the mode being threaded connection and inducing QI portion is fixing, so just can be adjusted by rotating pressure cap
The distance between diapire of section limit base and step groove, to adapt to different types of bearing (referring here to height), to reduce
The assembling difficulty of this methane-generating pit.
3rd, by being threaded in or out bolt once can control locking or the separation of connecting portion and air inlet pipe, have easy to use
Advantage.
Brief description
Fig. 1 is the structural representation of this methane-generating pit.
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.
Fig. 3 is the mplifying structure schematic diagram at B in Fig. 1.
Fig. 4 is the mplifying structure schematic diagram at C in Fig. 1.
Fig. 5 is the mplifying structure schematic diagram at D in Fig. 1.
Fig. 6 is the structural representation after this methane-generating pit spins off in air inlet pipe is from appendix.
Fig. 7 is the mplifying structure schematic diagram at E in Fig. 6.
In figure, 1, cell body；2nd, Chi Gai；2a, gas outlet；2b, connecting portion；3rd, gas receiver；3a, staving；3b, bung；3b1、
Inducing QI portion；4th, air inlet pipe；5th, appendix；5a, intake section；5b, portion of giving vent to anger；6th, air-introduced machine；7th, thimble；8th, the first sealing ring；9、
Bolt one；11st, bearing；12nd, pressure cap；12a, limit base；13rd, the second sealing ring；14th, the 3rd sealing ring；15th, support；16th, support
Ring；16a, support base；16b, connecting rod；16c, gas port；17th, sealing ring；18th, spring one；19th, sealing plate；19a, rubber blanket；
19b, plate body.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in figure 1, this methane-generating pit is by cell body 1, pond lid 2, gas receiver 3, air inlet pipe 4, appendix 5, air-introduced machine 6, thimble
7th, the composition such as one-way mechanism.
Wherein, cell body 1 is in tubbiness, and its bottom lock, top open wide.Pond lid 2 covers the upper end in cell body 1, this pond lid 2
Top is vertically provided with gas outlet 2a, and the inner space of gas outlet 2a and cell body 1.As shown in figure 1, pond lid 2 top
Center has outwardly connecting portion 2b, and connecting portion 2b is in straight tube-like and the inner space of its inner chamber and cell body 1.In this reality
Apply in example, pond lid 2 has certain weight, so that it stably covers on cell body 1；Preferably connecting portion 2b and pond lid 2 are integrated
Formula structure.
Air inlet pipe 4 is in straight tube-like and is inserted in connecting portion 2b.As shown in Fig. 2 connecting portion 2b is stretched out in the upper end of air inlet pipe 4,
And pass through the first sealing ring 8 formation sealing between the two, to avoid biogas to leak in transportation.Air inlet pipe 4 can edge
Connecting portion 2b slides axially, and is provided with the detachable locking mechanism that can limit air inlet pipe 4 slip between the two.Specifically,
The lower end outside wall of air inlet pipe 4 is provided with annular slot, and the first sealing ring 8 is located in annular slot, and the first sealing ring 8 is outer
Side wall is offseted with the medial wall of connecting portion 2b.Detachable locking mechanism includes through the screwed hole one on the wall of connecting portion 2b side,
Screwed hole one has two and uniform along the circumference of connecting portion 2b.All it is bolted with bolt 1 in each screwed hole one, and bolt 1
End and air inlet pipe 4 lateral wall tight abutment so that connecting portion 2b and air inlet pipe 4 stably link together.Further
Illustrate, the first sealing ring 8 is located between detachable locking mechanism and pond lid 2, to prevent biogas from leaking further.
Gas receiver 3 is located at cell body 1 side, and this gas receiver 3 has closing inner chamber.Specifically, as shown in figure 1, gas storage
Bucket 3 includes the staving 3a and bung 3b covering on staving 3a, and staving 3a and bung 3b is fixed together.Wherein, bung 3b
Top has the inner space of inducing QI portion 3b1 protruding upward, inducing QI portion 3b1 and staving 3a, and this inducing QI portion 3b1 and bung 3b
For integral type structure.
Appendix 5 is in Qian font and the top located at pond lid 2.The two ends of appendix 5 are respectively intake section 5a and portion of giving vent to anger
5b, and intake section 5a and give vent to anger portion 5b all in straight tube-like.
Wherein, intake section 5a is enclosed within outside the upper end of air inlet pipe 4 and forms sealing by sealing structure between the two.In this reality
Apply in example, as shown in figure 4, sealing structure includes on the lateral wall of air inlet pipe 4 and seal groove annular in shape, set in seal groove
There is the 3rd sealing ring 14, and the lateral wall of the 3rd sealing ring 14 is offseted with the medial wall of intake section 5a, makes intake section 5a and air inlet
Form reliable sealing between pipe 4.
The portion 5b that gives vent to anger pass through bearing 11 and gas receiver 3 top axial restraint, make when air inlet pipe 4 de- in intake section 5a
When separating out, whole appendix 5 can rotate with respect to gas receiver 3.Give vent to anger the inner space of both portion 5b and gas receiver 3.Tool
For body, as shown in Figure 1 and Figure 5, the portion 5b of giving vent to anger is inserted in inducing QI portion 3b1, so that the inner chamber of gas receiver 3 and the portion 5b that gives vent to anger is even
Logical；Inducing QI portion 3b1 be located at upper port at medial wall be provided with step groove annular in shape, bearing 11 in step groove, this axle
Hold 11 outer ring and inducing QI portion 3b1 fixes, and the inner ring of bearing 11 is fixed with the portion 5b of giving vent to anger.In the present embodiment, bearing 11
Inner ring and outer ring are fixed with the inducing QI portion 3b1 and portion 5b of giving vent to anger respectively by way of interference fit.
Further illustrate, as shown in figure 5, the outside of inducing QI portion 3b1 is bolted with pressure cap 12, the medial wall of pressure cap 12 has
Limit base 12a annular in shape, and limit base 12a is enclosed within and gives vent to anger outside portion 5b.The outer ring of bearing 11 is by being clipped under limit base 12a
The mode of the diapire of end face and step groove is fixed with inducing QI portion 3b1.Using above-mentioned design, can be adjusted by rotating pressure cap 12
The distance between diapire of limit base 12a and step groove, to adapt to different types of bearing 11 (referring here to height), to drop
The assembling difficulty of low methane-generating pit.
As shown in figure 5, the lateral wall of the portion 5b that gives vent to anger is provided with annular groove, and annular groove is located at bung 3b and bearing 11
Between.It is provided with the second sealing ring 13 in annular groove, and the medial wall phase of the lateral wall of the second sealing ring 13 and inducing QI portion 3b1
Support, so that inducing QI portion 3b1 and the reliable sealing of formation between portion 5b of giving vent to anger.
Support 15 is fixed with the inner roof wall of bung 3b, air-introduced machine 6 is arranged on support 15, and the import of air-introduced machine 6 with
The inner chamber of inducing QI portion 3b1 is just right.Now, when air-introduced machine 6 works, the biogas in cell body 1 will be entered by appendix 5
To in gas receiver 3.I.e. in this methane-generating pit, air-introduced machine 6 plays and is incorporated in gas receiver 3 biogas in cell body 1 through appendix 5
Effect.
It is provided with intake section 5a and make the one-way mechanism of its one-way conduction, and the flow direction of the conducting direction of one-way mechanism and biogas
Identical；It is provided with the thimble 7 that can force intake section 5a conducting in air inlet pipe 4.Specifically, as shown in Fig. 2, Fig. 3 and Fig. 7, air inlet
It is bolted with support ring 16 in the upper end of pipe 4, in support ring 16, be provided with rounded support base 16a, and support base 16a and support ring
Central axis both 16 is conllinear.The side wall of support base 16a is by the medial wall of connecting rod 16b in vertical bar shape and support ring 16
It is connected, connecting rod 16b has many and uniform along the circumference of support ring 16, forms a gas port between adjacent two connecting rods 16b
16c.In the present embodiment, preferably support ring 16, support base 16a, this three of connecting rod 16b are integral type structure, are added with facilitating
Work.Thimble 7 is in direct rod shape, and the lower end of this thimble 7 is vertical with support base 16a to be fixed, and air inlet pipe 4 is stretched out in the upper end of thimble 7.Single
Include being screwed onto in intake section 5a and sealing ring 17 annular in shape to mechanism.The top of sealing ring 17 is provided with spring 1 and is used for
The sealing plate 19 offseting with the upper end of thimble 7, wherein, the upper surface of the downside of sealing plate 19 and sealing ring 17 reclines with will be close
The upper port closing of seal ring 17, the two ends of spring 1 are offseted with the upper side of sealing plate 19 and the inwall of appendix 5 respectively.When
When intake section 5a is enclosed within air inlet pipe 4, the upper end of thimble 7 and sealing plate 19 offset and force sealing plate 19 to overcome spring 1
Move on elastic force and the upper port of sealing ring 17 is opened, so that intake section 5a conducting, there is good operating stability.
Further illustrate, as shown in Figure 3 and Figure 7, sealing plate 19 includes rubber blanket 19a annular in shape and is used for and thimble
7 offset and rounded plate body 19b, and the central axis of sealing ring 17, rubber blanket 19a and plate body 19b three is conllinear.Rubber
Pad 19a is fixed with plate body 19b by way of bonding, and the both ends of the surface of rubber blanket 19a respectively with the lower surface of plate body 19b and close
The upper surface phase of seal ring 17 reclines, to strengthen the reliability of sealing ring 17 upper port closing.Optimize further, plate body 19b's
Downside is provided with connecting hole, and this connecting hole is blind hole.When intake section 5a is enclosed within air inlet pipe 4, the upper end of thimble 7 is inserted in
Connect in the hole and the upper surface of this thimble 7 is offseted with the diapire of connecting hole.By arranging connecting hole, by thimble 7 and plate body 19b
Pre-connection is got up, and enables thimble 7 to be more stably driven with sealing plate 19 and overcomes shifting on the elastic force of spring 1, to carry further
The job stability of this device high.
During installation, the gas outlet 2a on pond lid 2 is connected with user's pipeline by valve, provides the user biogas；
During use, marsh gas raw materials are placed in cell body 1 and are fermented, and biogas storage produced by fermentation, in cell body 1, works as pond
After body 1 is full, biogas passes sequentially through connecting portion 2b, air inlet pipe 4, appendix 5 and is stored in gas receiver 3；
Need remove fermenting raw materials after produce residue and more renew raw material when, first start air-introduced machine 6, will be positioned at cell body
Biogas in 1 passes sequentially through connecting portion 2b, air inlet pipe 4 and appendix 5 and is fully imbibed in gas receiver 3, then screws out bolt 1
And slide downward air inlet pipe 4 makes it completely disengage from out in intake section 5a, now sealing plate 19 is not subject to the active force of thimble 7,
And move down the lower port closing of sealing ring 17 in the presence of spring 1, make intake section 5a be in closed state, to prevent
It is in the biogas leakage in gas receiver 3, then rotate appendix 5 and make it away from pond lid 2, finally pond lid 2 is taken down taking-up residue
And the more marsh gas raw materials that renew.
Embodiment two
The present embodiment two is essentially identical with the structure of embodiment one and principle, and different place is：One-way mechanism bag
Include convex shoulder annular in shape on intake section 5a medial wall and be screwed onto in intake section 5a and baffle ring annular in shape, described baffle ring is located at
Below convex shoulder, it is provided with the steel ball offseting for the upper end with thimble 7 between baffle ring and convex shoulder and so that steel ball is had and baffle ring phase
Support with by the spring two of the upper port occlusion tendency of baffle ring.
During use, when intake section 5a is enclosed within air inlet pipe 4, thimble 7 and steel ball offset and force steel ball to overcome spring two
Move on elastic force and the upper port of baffle ring is opened, so that intake section 5a conducting, there is good operating stability.
Embodiment three
The present embodiment three is essentially identical with the structure of embodiment one and principle, and different place is：Sealing structure bag
Include the sealing gasket between sealing ring 17 and air inlet pipe 4, sealing gasket is fixing with air inlet pipe 4, and the both ends of the surface of sealing gasket are respectively
Offset with the lower surface of sealing ring 17 with the upper surface of air inlet pipe 4.
Example IV
The present embodiment four is essentially identical with the structure of embodiment one and principle, and different place is：Detachable locking
Mechanism includes through the screwed hole two on the wall of connecting portion 2b side, the screwed hole three on air inlet pipe 4 lateral wall and is screwed onto
Bolt two in screwed hole two, screwed hole three has multiple and along air inlet pipe 4 axial direction distribution, and the end of bolt two is spirally connected wherein
In one screwed hole three.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of methane-generating pit, including cell body (1) with cover Chi Gai (2) at cell body (1) top, and Chi Gai (2) is provided with gas outlet
(2a) it is characterised in that the side of described cell body (1) is provided with the gas receiver (3) with closing inner chamber, described Chi Gai (2)
Top there is outwardly and in straight tube-like connecting portion (2b), be inserted with air inlet pipe (4) in connecting portion (2b), and air inlet pipe
(4) connecting portion (2b) is stretched out in upper end, and air inlet pipe (4) can sliding axially and being provided between the two and can limit along connecting portion (2b)
The detachable locking mechanism that air inlet pipe (4) is slided, passes through the first sealing ring between described air inlet pipe (4) and connecting portion (2b)
(8) form sealing；The top of described Chi Gai (2) is provided with the appendix (5) in Qian font, and the two ends of this appendix (5) are respectively
For intake section (5a) and portion of giving vent to anger (5b), and intake section (5a) and portion of giving vent to anger (5b) be all in straight tube-like, intake section (5a) be enclosed within into
Outside the upper end of trachea (4) and between the two sealing is formed by sealing structure, described portion of giving vent to anger (5b) pass through bearing (11) with
The top axial restraint of gas receiver (3), and portion of giving vent to anger (5b) and gas receiver (3) both inner space；Described gas receiver (3)
Inside it is fixed with the air-introduced machine (6) that biogas can be incorporated in cell body (1) in gas receiver (3) through appendix (5)；Described air inlet
It is provided with the one-way mechanism making its one-way conduction in portion (5a), and the conducting direction of one-way mechanism is identical with flowing to of biogas, described
Air inlet pipe (4) in be provided with the thimble (7) that intake section (5a) can be forced to turn on.
2. methane-generating pit according to claim 1 is it is characterised in that described gas receiver (3) includes staving (3a) and covers
Bung (3b) on staving (3a), and staving (3a) and bung (3b) be fixed together, the top of described bung (3b) has
Inducing QI portion (3b1) protruding upward, portion of giving vent to anger (5b) is inserted in inducing QI portion (3b1) and passes through the second sealing ring (13) between the two
Form sealing, the medial wall that described inducing QI portion (3b1) is located at upper port is provided with step groove annular in shape, described bearing
(11) in step groove, the outer ring of this bearing (11) is fixing with inducing QI portion (3b1), and the inner ring of bearing (11) and the portion of giving vent to anger
(5b) fixing.
3. methane-generating pit according to claim 2 is it is characterised in that the lateral wall in described portion of giving vent to anger (5b) is provided with annular
Groove, and annular groove is located between bung (3b) and bearing (11), described the second sealing ring (13) in annular groove,
And second the lateral wall of sealing ring (13) offset with the medial wall of inducing QI portion (3b1).
4. methane-generating pit according to claim 3 is it is characterised in that the outside in described inducing QI portion (3b1) is bolted with pressure cap
(12), the medial wall of described pressure cap (12) has limit base (12a) annular in shape, and limit base (12a) is enclosed within the portion of giving vent to anger
(5b) outward, the outer ring of described bearing (11) by way of being clipped in the lower surface of limit base (12a) and the diapire of step groove with
Described inducing QI portion (3b1) is fixing.
5. methane-generating pit according to claim 1 is it is characterised in that be bolted with support in the described upper end of air inlet pipe (4)
Ring (16), is provided with rounded support base (16a) in support ring (16), and support base (16a) and support ring (16) are in both
Heart axis collinear, the side wall of described support base (16a) inner side by the connecting rod (16b) in vertical bar shape and support ring (16)
Wall is connected, and described connecting rod (16b) has many and uniform along the circumference of support ring (16), adjacent two connecting rods (16b) it
Between form a gas port (16c), described thimble (7) is in direct rod shape, and the lower end of this thimble (7) is vertical with support base (16a) to be consolidated
Fixed, and air inlet pipe (4) is stretched out in the upper end of thimble (7).
6. methane-generating pit according to claim 5 is it is characterised in that described one-way mechanism includes being screwed onto intake section (5a)
Sealing ring (17) interior and annular in shape, the top of described sealing ring (17) is provided with spring one (18) and is used for and thimble (7)
The sealing plate (19) that upper end offsets, the described downside of sealing plate (19) is reclined with the upper surface of sealing ring (17) sealing
The upper port closing of ring (17), two ends upper side and the appendix (5) with sealing plate (19) respectively of described spring one (18)
Inwall offset.
7. methane-generating pit according to claim 6 is it is characterised in that described sealing plate (19) includes rubber blanket annular in shape
(19a) and for offseting and rounded plate body (19b) with thimble (7), described sealing ring (17), rubber blanket (19a) with
And the central axis of plate body (19b) three is conllinear, described rubber blanket (19a) is fixing with plate body (19b), and rubber blanket (19a)
Both ends of the surface recline with the lower surface of plate body (19b) and the upper surface phase of sealing ring (17) respectively.
8. methane-generating pit according to claim 7 is it is characterised in that the downside of described plate body (19b) is provided with connection
Hole, and this connecting hole is blind hole, when intake section (5a) be enclosed within air inlet pipe (4) upper when, the upper end of thimble (7) be inserted in connection in the hole and
The upper surface of this thimble (7) and the diapire of connecting hole offset.
9. methane-generating pit according to claim 1 is it is characterised in that described sealing structure is included located at air inlet pipe (4)
On lateral wall and seal groove annular in shape, in described seal groove, it is provided with the 3rd sealing ring (14), and the 3rd sealing ring (14)
Lateral wall is offseted with the medial wall of intake section (5a).
10. methane-generating pit according to claim 1 is it is characterised in that described the first sealing ring (8) is located at detachable locking
Between mechanism and Chi Gai (2), described detachable locking mechanism is included through the screwed hole one on the wall of connecting portion (2b) side, spiral shell
Pit one has two and is uniformly all bolted with bolt one (9) in each screwed hole one along the circumferential of connecting portion (2b), and bolt one
(9) end and the lateral wall tight abutment of air inlet pipe (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610891301.7A CN106479865B (en) | 2016-10-13 | 2016-10-13 | A kind of methane-generating pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891301.7A CN106479865B (en) | 2016-10-13 | 2016-10-13 | A kind of methane-generating pit |
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| Publication Number | Publication Date |
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| CN106479865A true CN106479865A (en) | 2017-03-08 |
| CN106479865B CN106479865B (en) | 2018-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058070A (en) * | 2016-10-26 | 2017-08-18 | 方梦华 | A kind of safe methane-generating pit |
| CN109234151A (en) * | 2018-11-26 | 2019-01-18 | 河南美丽乡村环保科技有限公司 | A kind of sealing structure of methane tank cover |
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|---|---|---|---|---|
| CN201517103U (en) * | 2009-08-17 | 2010-06-30 | 王建平 | Solar high-temperature methane generator matching device |
| AU2014203071B1 (en) * | 2013-06-09 | 2014-10-30 | Jiaxing Vocational Technology College | Methane Production System of Methane Tank Having Improved Structure |
| CN104293655A (en) * | 2014-10-16 | 2015-01-21 | 嘉兴职业技术学院 | Biogas digester |
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2016
- 2016-10-13 CN CN201610891301.7A patent/CN106479865B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517103U (en) * | 2009-08-17 | 2010-06-30 | 王建平 | Solar high-temperature methane generator matching device |
| AU2014203071B1 (en) * | 2013-06-09 | 2014-10-30 | Jiaxing Vocational Technology College | Methane Production System of Methane Tank Having Improved Structure |
| CN104293655A (en) * | 2014-10-16 | 2015-01-21 | 嘉兴职业技术学院 | Biogas digester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058070A (en) * | 2016-10-26 | 2017-08-18 | 方梦华 | A kind of safe methane-generating pit |
| CN109234151A (en) * | 2018-11-26 | 2019-01-18 | 河南美丽乡村环保科技有限公司 | A kind of sealing structure of methane tank cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106479865B (en) | 2018-12-07 |
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Effective date of registration: 20210205 Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee after: Li Qiannan Address before: 325036 second, 3, 2 building, North Road, Wu Tian, Wenzhou, Ouhai, Zhejiang. Patentee before: WENZHOU QIBANG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |
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