CN107058070B - A kind of highly-safe methane-generating pit - Google Patents
A kind of highly-safe methane-generating pit Download PDFInfo
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- CN107058070B CN107058070B CN201710427163.1A CN201710427163A CN107058070B CN 107058070 B CN107058070 B CN 107058070B CN 201710427163 A CN201710427163 A CN 201710427163A CN 107058070 B CN107058070 B CN 107058070B
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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
- C12M23/38—Caps; Covers; Plugs; Pouring means
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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 present invention provides a kind of highly-safe methane-generating pits, belong to technical field of methane.The high methane-generating pit of safety includes pond body and the Chi Gai that is fixed at the top of pond body, pond is covered equipped with gas outlet, fermenter is equipped in pond body vertically, pond is covered through the slag-drip opening having with fermenter face, pond, which covers, to be removably fixed with the closed sealing plate of the upper port of slag-drip opening, motor is fixed in pond body inner bottom wall, motor is connected to drive fermenter and Chi Gai to offset either far from Chi Gai with fermenter bottom by screw nut driving mechanism, and when fermenter and Chi Gai offset, the roof of fermenter and the inner roof wall of Chi Gai recline and form sealing, the connecting tube in straight tube-like is installed in pond body vertically, the upper end of connecting tube passes through Chi Gai, tubular plug is fixed in connection infratubal port, motor power-supply wire sequentially passes through plug and upper end of connecting tube mouth.This methane-generating pit has the advantages that reduce biogas in slag removal and wastes.
Description
Technical field
The invention belongs to technical field of methane, are related to a kind of methane-generating pit, especially a kind of highly-safe methane-generating pit.
Background technique
Biogas can not only be used for the illuminating energy, but also as the gas energy of cooking.Due to generating the main of biogas
Raw material can greatly reduce the consumption of forest tree resource and the consumption of coal-fired resource, therefore, biogas is in recent years from crops
It promotes and applies more universal power-saving technology, is widely used in rural area.
Existing methane-generating pit is using construction materials such as traditional brick, sand, lime, cement, although building the side of methane-generating pit
Method is fairly simple, but the daily maintenance requirement after building up is very high, and failure is more in use, for example, gas leakage is exactly natural pond
The most common failure causes biogas to be revealed, causes not often because of the poor sealing of methane-generating pit and lid in use in gas pond
It can normally supply.Existing methane-generating pit is artificial periodically except methane slag there is also needing, and when needing except methane slag, needing first will lid
Son is opened and then is carried out except methane slag.Due to that can have certain biogas in methane-generating pit, when opening the lid due to methane-generating pit,
It will cause the leakage of part biogas, result in waste of resources, and since existing methane-generating pit all has certain height, make except methane slag
When there are certain risks.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of highly-safe methane-generating pit is proposed,
The technical issues of solution is the waste of biogas caused by when how to reduce slagging-off.
Object of the invention can be realized by the following technical scheme: a kind of highly-safe methane-generating pit, including pond body and
The Chi Gai being fixed at the top of pond body, and pond is covered equipped with gas outlet, which is characterized in that being equipped with vertically in the pond body is in straight bucket
The fermenter of shape, and opened wide at the top of fermenter, bottom closing, the pond cover rim vertical direction, which runs through, rounded deslagging
Mouthful, and the central axis of both slag-drip opening and fermenter is conllinear, the pond, which covers, to be removably fixed with the upper end of slag-drip opening
Mouthful closed sealing plate is fixed with motor in the inner bottom wall of the pond body, which passes through screw nut driving mechanism and hair
Ferment bucket bottom is connected to drive fermenter and Chi Gai to offset either far from Chi Gai, and when fermenter and Chi Gai offset, fermentation
The roof of bucket and the inner roof wall of Chi Gai recline and form sealing, are installed with the connecting tube in straight tube-like in the pond body vertically,
The upper end of connecting tube passes through Chi Gai, and the sealing structure for making the two connection sealing, the company are equipped between connecting tube and pond lid
It is vertically fixed and is made of rubber material and tubular plug, the power supply line of motor sequentially pass through plug in the lower port of adapter tube
Sealing is formed with the side wall tight abutment of the upper port of connecting tube, the power supply line of the inner sidewall and motor of the plug, this is stifled
The lateral wall of head and the inner sidewall tight abutment of connecting tube are formed and are sealed.
When actual installation, the power supply line of motor is connected with external power supply, and motor work is controlled by controller；Outlet
Mouth is connected by valve with user pipe.When normal use, for fermenter far from Chi Gai, the raw material for manufacturing biogas is placed in fermentation
Fermentation is carried out in bucket generates biogas；It is needed replacing when above-mentioned raw material becomes impurity after long-term use, motor is rotated forward to drive
Drive fermenter move up and the inner roof wall of its roof and Chi Gai made to recline, at this point, the inner cavity of fermenter just with the inner cavity of pond body every
From, then remove sealing plate and by slag-drip opening and by tool by fermenter impurity take out, subsequently toward fermenter
It inside pours into new raw material and lays equal stress on and attach together upper sealing panel, last motor reversal is to drive fermenter to reset.
By the way that sealing structure is arranged in the junction of connecting tube and Chi Gai, so that connecting tube and Chi Gai keep being tightly connected；
Secondly, by the lower port of connecting tube be arranged rubber plug, and by the inside and outside side wall of plug respectively with motor power-supply wire
Side wall and the inner sidewall tight abutment of connecting tube this scheme, to close the lower port of connecting tube, so no matter in methane-generating pit
It works normally in either tapping process, biogas will not be by leaking, to avoid the waste of biogas at connecting tube.
In tapping process, this scheme is sealed by the way that the inner roof wall of the roof of fermenter and Chi Gai reclines and is formed,
The inner cavity of the inner cavity of fermenter and pond body is separated, can be thus connected to avoid slag-drip opening with the inner cavity of pond body, is effectively dropped
The leakage of biogas caused by low tapping process, to reduce biogas waste.
Under the cooperation of motor and screw nut driving mechanism, to drive fermenter to move up and down automatically, in this way
It avoids operator from lifting fermenter manually, to not only improve the safety (pond body is generally relatively deep) of tapping process, but also reduces
Physical power loss in tapping process.
In above-mentioned highly-safe methane-generating pit, the screw nut driving mechanism includes being vertically arranged in pond body
Screw rod and the feed screw nut that is screwed on screw rod, the lower end of the screw rod pass through the bottom axial restraint of bearing and pond body,
The motor can drive screw rod to rotate by transmission mechanism, and the bottom of the fermenter, which has, to be outwardly protruded and in straight tube
The interconnecting piece of shape, interconnecting piece covers on feed screw nut and the two is fixed together.
Screw rod is by bearing and pool bottom axial restraint, to ensure the stability of screw rod rotation, to be stably driven with
Fermenter moves up and down, to improve the stability of this methane-generating pit work.
In above-mentioned highly-safe methane-generating pit, the transmission mechanism includes the master gear being installed on electric machine main shaft
With the pinion being installed on screw rod, and master gear and pinion are meshed.
Motor drives screw rod to rotate by gear-driven mode, has not only had the advantages that job stability is high, but also can subtract
Few the distance between motor and screw rod, to reduce the occupied space of components for driving fermenter mobile, to increase
The storage capacity of methane-generating pit.
Alternatively, in above-mentioned highly-safe methane-generating pit, the transmission mechanism includes being installed in electricity
Driving wheel on owner's axis and the driven wheel being installed on screw rod, and driving wheel is connected by synchronous belt with driven wheel.
Motor drives screw rod to rotate by way of toothed belt transmission, has the advantages that good operating stability.
In above-mentioned highly-safe methane-generating pit, it is recessed that the roof of the fermenter is equipped with coaxial annular
Slot, annular groove is interior to be equipped with rubber pad one annular in shape, and the lower end surface of rubber pad one and the bottom wall of annular groove offset, and the rubber
The upper surface of rubber mat one is located at outside annular groove.
When the roof of fermenter and Chi Gai offset, the upper surface of rubber pad one and the inner roof wall tight abutment of Chi Gai.It adopts
With above-mentioned structure, top cover can be reinforced and sealing performance when fermenter offsets, with improve by slag-drip opening and pond body inner cavity every
The reliability opened, to be further reduced the leakage of biogas when slagging-off；Simultaneously as the upper surface of rubber pad one is to be located at annular
Outside groove, in this way during fermenter moves up, rubber pad one is contacted with Chi Gai first to be buffered, to gradually decrease hair
The speed that ferment bucket moves up can not only reduce impact force that the components such as Chi Gai, fermenter, screw rod are subject to (by Chi Gai and hair in this way
Ferment bucket collides to be formed), it then improves the service life of entire methane-generating pit, but also noise can be reduced.
In above-mentioned highly-safe methane-generating pit, the inner sidewall of the upper port of the slag-drip opening is equipped with annular table
Rank, the sealing plate are made of transparent glass and are located in ring-shaped step, and the bottom of the downside of sealing plate and ring-shaped step
Wall reclines, and the bottom wall of the ring-shaped step is equipped with threaded hole, threaded hole at least there are two and be evenly distributed, sealing plate edge
For vertical direction through there is connecting hole, the quantity of connecting hole is identical as threaded hole and position corresponds, and is all provided in each connecting hole
There is bolt, the end of bolt is screwed onto corresponding threaded hole, and the head of bolt and the upper side of sealing plate offset.
Sealing plate is placed by the way that ring-shaped step is arranged on the inner wall of slag-drip opening, the height of entire methane-generating pit can be reduced
Degree；Sealing plate is made of transparent glass, so that people is directed through glass to observe the extent of deterioration of raw material, to improve
The ease of use of methane-generating pit.
In above-mentioned highly-safe methane-generating pit, the downside of the sealing plate is equipped with seal groove annular in shape,
And seal groove and sealing plate are coaxial, and rubber pad two annular in shape, and the both ends of the surface of rubber pad two point are equipped in the seal groove
Bottom wall not with the bottom wall of seal groove and ring-shaped step offsets, and the bar portion of the bolt passes through rubber pad two.
Under the action of rubber pad two, make to be formed between the downside of sealing plate and the bottom wall of ring-shaped step reliable close
Envelope then improves the job stability of methane-generating pit so that biogas when normal use be avoided to leak.
In above-mentioned highly-safe methane-generating pit, the pond, which covers to have, passes through through-hole for connecting tube, and described is close
Seal structure includes the cyclic annular placing groove on the connecting tube lateral wall and the O-ring in placing groove, and the outer peripheral surface of O-ring
It offsets with the hole wall of through-hole.
Under the action of O-ring, make to form reliable sealing, Lai Tigao between the lateral wall of connecting tube and the hole wall of through-hole
The job stability of this methane-generating pit.
Alternatively, in above-mentioned highly-safe methane-generating pit, have on the lateral wall of the connecting tube
Annular convex shoulder, the sealing structure include the annular slot on annular convex shoulder upper surface and the ring in annular slot
Shape gasket, and inner roof wall of the both ends of the surface of Gask-O-Seal respectively with the bottom wall of annular slot and Chi Gai offsets.
Compared with prior art, the high methane-generating pit of safety has the advantage that
1, by the way that sealing structure is arranged in the junction of connecting tube and Chi Gai, so that connecting tube and Chi Gai keep sealing to connect
It connects；Secondly, by the way that rubber plug is arranged at the lower port of connecting tube, and it is electric with motor respectively by the inside and outside side wall of plug
The side wall of source line and the inner sidewall tight abutment of connecting tube this scheme, to close the lower port of connecting tube, so no matter in natural pond
Gas pond works normally in either tapping process, and biogas will not be by leaking, to avoid the waste of biogas at connecting tube.
2, in tapping process, this side is sealed by the way that the inner roof wall of the roof of fermenter and Chi Gai reclines and is formed
Case separates the inner cavity of the inner cavity of fermenter and pond body, can thus be connected to avoid slag-drip opening with the inner cavity of pond body, Lai Youxiao
It reduces biogas caused by tapping process to leak, to reduce biogas waste.
3, under the cooperation of motor and screw nut driving mechanism, to drive fermenter to move up and down automatically, so just
Avoidable operator lifts fermenter manually, to not only improve the safety (pond body is generally relatively deep) of tapping process, but also drop
Physical power loss in low tapping process.
4, when the roof of fermenter and Chi Gai offset, the upper surface of rubber pad one and the inner roof wall tight abutment of Chi Gai,
Can not only reinforce top cover in this way and sealing performance when fermenter offsets, come improve by slag-drip opening and pond body inner cavity separate can
By property, to be further reduced the leakage of biogas when slagging-off；Simultaneously as the upper surface of rubber pad one is located at outside annular groove
, in this way during fermenter moves up, rubber pad one is contacted with Chi Gai first to be buffered, to gradually decrease on fermenter
The speed of shifting can not only reduce the impact force that the components such as Chi Gai, fermenter, screw rod are subject in this way and (be touched by Chi Gai and fermenter
Hit to be formed), it then improves the service life of entire methane-generating pit, but also noise can be reduced.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is normal use of the present invention.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at B.
Fig. 4 is the enlarged structure schematic diagram in Fig. 1 at C.
Fig. 5 is structural schematic diagram of the present invention when fermenter and Chi Gai offset.
Fig. 6 is the enlarged structure schematic diagram in Fig. 5 at D.
In figure, 1, pond body；2, Chi Gai；2a, gas outlet；2b, slag-drip opening；3, fermenter；3a, interconnecting piece；4, sealing plate；5,
Motor；5a, power supply line；6, connecting tube；7, plug；8,0 shape circle；9, screw rod；10, feed screw nut；11, bearing；12, master gear；
13, pinion；14, rubber pad one；15, bolt；16, rubber pad two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Figures 1 to 4, the high methane-generating pit of safety by pond body 1, pond lid 2, fermenter 3, sealing plate 4, motor 5,
The composition such as connecting tube 6, plug 7.
Wherein, pond body 1 is in tubbiness, and its top is opened wide, bottom closing.Pond lid 2 be in tubbiness, 2 sets of pond lid in pond body 1 and
The two is fixed together.In the present embodiment, pond body 1 and pond lid 2 are sealed by way of tight fit and are fixed together.Such as Fig. 1
Shown, pond lid 2 is equipped with the gas outlet 2a for making 1 inner cavity of pond body be in communication with the outside, and in actual use, gas outlet 2a passes through valve
Door (not shown) is connected with user pipe.
Fermenter 3 is in straight tubbiness, and fermenter 3 is vertically arranged in pond body 1.As shown in Figure 1, the closing of 3 bottom of fermenter,
Top is opened wide.Pond lid 2 runs through along the vertical direction rounded slag-drip opening 2b, and the center of 3 the two of slag-drip opening 2b and fermenter
Axis collinear.In the present embodiment, preferably slag-drip opening 2b is located at the middle part of pond lid 2.
Motor 5 is fixed in the inner bottom wall of pond body 1, and in actual products, motor 5 by 5, motor (not shown) with
Pond body 1 is fixed.Connecting tube 6 is in straight tube-like and is set in pond body 1 vertically.Wherein, the upper end of connecting tube 6 passes through pond lid 2, the connection
The upper end of pipe 6 is fixed with pond lid 2 by welding, and being equipped between connecting tube 6 and pond lid 2 makes the two connect the close of sealing
Seal structure.In the present embodiment, as depicted in figs. 1 and 2, have on pond lid 2 and pass through through-hole for connecting tube 6, sealing structure includes
Cyclic annular placing groove on 6 lateral wall of connecting tube and the O-ring 8 in placing groove, and the outer peripheral surface and through-hole of 0 shape circle 8
Hole wall offset, so as to form reliable sealing between connecting tube 6 and pond lid 2.As shown in figure 4, being erected in the lower port of connecting tube 6
It is directly fixed with and is made of rubber material and tubular plug 7.The power supply line 5a of motor 5 sequentially passes through plug 7 and connecting tube 6
Upper port is simultaneously connected (not shown) with external power supply, and when specifically used, by be set to external controller (not shown) come
Control the work of motor 5.The side wall tight abutment of the power supply line 5a of the inner sidewall and motor 5 of plug 7 forms sealing, the plug 7
Lateral wall and the inner sidewall tight abutment of connecting tube 6 formed and seal, so that the lower port of connecting tube 6 be closed.
It is connected as shown in Figure 1, motor 5 passed through 10 transmission mechanism of feed screw nut with 3 bottom of fermenter to drive fermenter 3
It moves up and down, so that fermenter 3 and pond lid 2 offset either far from pond lid 2, and when fermenter 3 and pond lid 2 offset, fermentation
The roof of bucket 3 and the inner roof wall of pond lid 2 recline and form sealing.
Specifically, 10 transmission mechanism of feed screw nut includes the screw rod 9 being vertically arranged in pond body 1 and is screwed on screw rod
Feed screw nut 10.Wherein, the lower end of screw rod 9 passes through the bottom axial restraint of bearing 11 and pond body 1, realizes screw rod 9 to stablize
Rotation in the circumferential, and screw rod 9 is existing by 1 bottom axial restraint this technology of bearing 11 and pond body.Fermenter 3
Bottom, which has, to be outwardly protruded and interconnecting piece 3a straight, interconnecting piece 3a cover on feed screw nut 10 and the two is fixed on one
It rises.Motor 5 can drive screw rod 9 to rotate by transmission mechanism.In the present embodiment, preferably feed screw nut 10 passes through the side welded
Formula is fixed together with interconnecting piece 3a.Naturally, feed screw nut 10 is also possible by fastener and interconnecting piece 3a fixation.Transmission
Mechanism includes the master gear 12 being installed on 5 main shaft of motor and the pinion 13 being installed on screw rod 9, and master gear 12 and secondary tooth
Wheel 13 is meshed.Motor 5 drives screw rod 9 to rotate by gear-driven mode, has the advantages that good operating stability.
It further illustrates, as shown in figures 1 and 3, the roof of fermenter 3 is equipped with coaxial annular groove, annular
Rubber pad 1 annular in shape is equipped in groove, the lower end surface of rubber pad 1 and the bottom wall of annular groove offset, and the rubber
The upper surface of pad 1 is located at outside annular groove.When specifically used, as shown in Figure 5 and Figure 6, roof and pond when fermenter 3
When lid 2 offsets, the upper surface of rubber pad 1 and the inner roof wall tight abutment of pond lid 2 can not only reinforce top cover and hair in this way
Sealing performance when ferment bucket 3 offsets, to improve the reliability for separating slag-drip opening 2b and 1 inner cavity of pond body, to be further reduced
The leakage of biogas when slagging-off；Simultaneously as the upper surface of rubber pad 1 is outside annular groove, in this way in fermenter 3
During moving up, rubber pad 1 contacts with pond lid 2 buffered first, to gradually decrease the speed that fermenter 3 moves up, this
Sample can not only reduce the impact force that the components such as pond lid 2, fermenter 3, screw rod 9 are subject to and (collide shape by pond lid 2 and fermenter 3
At), it then improves the service life of entire methane-generating pit, but also noise can be reduced.
It is removably fixed on pond lid 2 by the closed sealing plate 4 of the upper port of slag-drip opening 2b.Specifically, in this implementation
Example in, sealing plate 4 is made of transparent glass, naturally, sealing plate 4 be made of other materials it is also possible.Slag-drip opening 2b's is upper
The inner sidewall of port is equipped with ring-shaped step, and ring-shaped step and slag-drip opening 2b are coaxial.Sealing plate 4 is located in ring-shaped step and it
The bottom wall of downside and ring-shaped step reclines.The bottom wall of ring-shaped step be equipped with threaded hole, threaded hole at least there are two and along week
To uniformly.Sealing plate 4 is along the vertical direction through there is connecting hole, and the quantity of connecting hole is identical as threaded hole and position corresponds.
Bolt 15 is equipped in each connecting hole, the end of bolt 15 is screwed onto corresponding threaded hole, and the head of bolt 15 with it is close
The upper side of sealing plate 4 offsets, by 4 stable position of sealing plate.It further illustrates, as shown in Fig. 2, on the downside of sealing plate 4
Equipped with seal groove annular in shape, and seal groove and sealing plate 4 are coaxial.Rubber pad 2 16 annular in shape, rubber are equipped in seal groove
Bottom wall of the both ends of the surface of pad 2 16 respectively with the bottom wall of seal groove and ring-shaped step offsets, and the bar portion of bolt 15 passes through rubber pad
2 16, to improve the stability for sealing slag-drip opening 2b upper port.
When normal use, for fermenter 3 far from pond lid 2, the raw material for manufacturing biogas, which is placed in fermenter 3, carries out fermentation production
Raw biogas；It is needed replacing when above-mentioned raw material becomes impurity after long-term use, motor 5 is rotated forward to drive and drive on fermenter 3
It moves and makes its roof and the inner roof wall of pond lid 2 to recline, at this point, the inner cavity of fermenter 3 is just isolated with the inner cavity of pond body 1, then tear open
Lower sealing plate 4 simultaneously takes out the impurity in fermenter 3 by slag-drip opening 2b and by tool, subsequently falls in fermenter 3
Enter new raw material and lay equal stress on to attach together upper sealing panel 4, the last reversion of motor 5 is to drive fermenter 3 to reset.
Embodiment two
The present embodiment two is essentially identical with the structure and principle of embodiment one, the difference is that: transmission mechanism packet
The driving wheel being installed on 5 main shaft of motor and the driven wheel being installed on screw rod 9 are included, and driving wheel passes through synchronous belt and driven wheel
It is connected.
Embodiment three
The present embodiment three is essentially identical with the structure and principle of embodiment one, the difference is that: outside connecting tube 6
There is annular convex shoulder, sealing structure includes the annular slot on annular convex shoulder upper surface and is set in annular slot on side wall
Gask-O-Seal, and inner roof wall of the both ends of the surface of Gask-O-Seal respectively with the bottom wall of annular slot and pond lid 2 offsets.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of highly-safe methane-generating pit, including pond body and the Chi Gai being fixed at the top of pond body, and pond is covered equipped with gas outlet,
It is characterized in that, being equipped with the fermenter in straight tubbiness in the pond body vertically, and opened wide at the top of fermenter, bottom closing, institute
The pond cover rim vertical direction stated is through there is a rounded slag-drip opening, and the central axis of both slag-drip opening and fermenter is conllinear, institute
The pond stated, which covers, to be removably fixed with the closed sealing plate of the upper port of slag-drip opening, is fixed in the inner bottom wall of the pond body
Motor, the motor are connected by screw nut driving mechanism with fermenter bottom either remote to drive fermenter and Chi Gai to offset
From Chi Gai, and when fermenter and Chi Gai offset, the roof of fermenter and the inner roof wall of Chi Gai recline and form sealing, described
The connecting tube in straight tube-like is installed in pond body vertically, the upper end of connecting tube passes through Chi Gai, and is equipped between connecting tube and pond lid
Make the sealing structure of the two connection sealing, is vertically fixed and is made of rubber material and in cylinder in the lower port of the connecting tube
The plug of shape, the power supply line of motor sequentially pass through the upper port of plug and connecting tube, the inner sidewall of the plug and motor
The side wall tight abutment of power supply line forms sealing, and the lateral wall of the plug and the inner sidewall tight abutment of connecting tube are formed and sealed；
The roof of the fermenter is equipped with coaxial annular groove, is equipped with rubber pad one annular in shape, rubber in annular groove
The lower end surface of rubber mat one and the bottom wall of annular groove offset, and the upper surface of the rubber pad one is located at outside annular groove.
2. highly-safe methane-generating pit according to claim 1, which is characterized in that the screw nut driving mechanism packet
The feed screw nut for being vertically arranged in the intracorporal screw rod in pond and being screwed on screw rod is included, the lower end of the screw rod passes through bearing and pond
The bottom axial restraint of body, the motor can drive screw rod to rotate by transmission mechanism, the bottom tool of the fermenter
It is outwardly convex go out and interconnecting piece straight, interconnecting piece covers on feed screw nut and the two is fixed together.
3. highly-safe methane-generating pit according to claim 2, which is characterized in that the transmission mechanism includes being installed in
Master gear on electric machine main shaft and the pinion being installed on screw rod, and master gear and pinion are meshed.
4. highly-safe methane-generating pit according to claim 2, which is characterized in that the transmission mechanism includes being installed in
Driving wheel on electric machine main shaft and the driven wheel being installed on screw rod, and driving wheel is connected by synchronous belt with driven wheel.
5. highly-safe methane-generating pit according to claim 1, which is characterized in that the upper port of the slag-drip opening it is interior
Side wall is equipped with ring-shaped step, and the sealing plate is made of transparent glass and is located in ring-shaped step, and the downside of sealing plate
The bottom wall of face and ring-shaped step reclines, and the bottom wall of the ring-shaped step is equipped with threaded hole, threaded hole at least there are two and edge
Circumferential uniformly distributed, sealing plate runs through along the vertical direction connecting hole, and the quantity of connecting hole is identical as threaded hole and position corresponds,
Bolt is equipped in each connecting hole, the end of bolt is screwed onto corresponding threaded hole, and the head of bolt and sealing plate
Upper side offsets.
6. highly-safe methane-generating pit according to claim 5, which is characterized in that set on the downside of the sealing plate
There is seal groove annular in shape, and seal groove and sealing plate are coaxial, rubber pad two annular in shape, and rubber are equipped in the seal groove
Bottom wall of the both ends of the surface of rubber mat two respectively with the bottom wall of seal groove and ring-shaped step offsets, and the bar portion of the bolt passes through rubber
Pad two.
7. highly-safe methane-generating pit according to claim 1, which is characterized in that the pond, which covers, to be had for connecting tube
Across through-hole, the sealing structure includes the cyclic annular placing groove on connecting tube lateral wall and 0 shape in placing groove
Circle, and the outer peripheral surface of 0 shape circle and the hole wall of through-hole offset.
8. highly-safe methane-generating pit according to claim 1, which is characterized in that have on the lateral wall of the connecting tube
There is an annular convex shoulder, the sealing structure includes annular slot on annular convex shoulder upper surface and in annular slot
Gask-O-Seal, and inner roof wall of the both ends of the surface of Gask-O-Seal respectively with the bottom wall of annular slot and Chi Gai offsets.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610950952 | 2016-10-26 | ||
| CN2016109509529 | 2016-10-26 |
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| CN107058070A CN107058070A (en) | 2017-08-18 |
| CN107058070B true CN107058070B (en) | 2019-08-20 |
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| CN104293655B (en) * | 2014-10-16 | 2016-05-11 | 嘉兴职业技术学院 | A kind of methane-generating pit |
| CN106479865B (en) * | 2016-10-13 | 2018-12-07 | 温州市骐邦环保科技有限公司 | A kind of methane-generating pit |
| CN106731998A (en) * | 2016-12-27 | 2017-05-31 | 郑州吉音动漫科技有限公司 | A kind of agitating device with lift action |
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