CN108341573B - A kind of control technique of environmental protection biogas generating system - Google Patents
A kind of control technique of environmental protection biogas generating system Download PDFInfo
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- CN108341573B CN108341573B CN201810398342.1A CN201810398342A CN108341573B CN 108341573 B CN108341573 B CN 108341573B CN 201810398342 A CN201810398342 A CN 201810398342A CN 108341573 B CN108341573 B CN 108341573B
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- 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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Abstract
The invention discloses a kind of control techniques of environmentally friendly biogas generating system.The present invention solves in the prior art when human error or electronic device damage, and can not adjust amount and the time of disengaging material in real time according to real-time condition in methane-generating pit in time, be easy to cause input and output material uncontrollable the problem of happening.The present invention includes: to realize input and output material automatically after pre-processing using biogas generating system；Also disclosed in the present invention biogas generating system specific structure and pretreated specific process step.The present invention has many advantages, such as automatic feed and discharging.
Description
Technical field
The invention belongs to night soil-treatment techniques, and in particular to a kind of control technique of environmental protection biogas generating system.
Background technique
Biogas be organic substance in an anaerobic environment, under conditions of certain temperature, humidity, pH value, pass through micro- life
Object fermentation, a kind of fuel gas of generation.
With China's expanding economy, social progress, life of urban resident is further improved, but rural resident
There are still many problems for life.Since mankind's activity is frequent, the energy, a large amount of air storage stalks and feces of livestock and poultry are largely consumed
Deng, cause great amount of carbon dioxide discharge, aggravated greenhouse effects.
To build a well-off society in an all-round way, building Socialist New is seemed very necessary.It is raw this requires developing rural area
State mode of agriculture improves rural environment, the ambitious goal increased farmers' income.Wherein comprehensive utilization methane-generating pit is exactly to change
One important channel of rural environment, the use of methane-generating pit can be reduced the generation of problem above to a certain extent.And construction one
A methane-generating pit can be used 20 years or so, comprehensively utilized methane-generating pit not only can it is energy saving, improve and protection environment, also
Save many benefits such as chemical fertilizer and pesticide, the yield and quality for improving crops, promotion and the development of drive animal husbandry.
In the prior art, the charging in methane-generating pit and discharging is usually manual goes to be arranged, is had and is passed in and out using artificial timing
The mode of material also has the disengaging that material is realized by the way of electricity control.But no matter which kind of mode, all can not be in time according to natural pond
Real-time condition adjusts amount and the time of disengaging material in real time in gas pond, especially when human error or electronic device damage, holds
Easily lead to that input and output material is uncontrollable, biogas yield is uncontrollable happens.
But when the usage amount of biogas in methane-generating pit is little, it is easy to cause biogas bulk deposition in methane-generating pit, Jin Erhui
Pressure in pond is greatly increased, security risk is easily caused.To solve the above-mentioned problems, common practice has two in the prior art
Kind, one is being vented directly in atmosphere, alleviate pressure in methane-generating pit, this method will lead to energy dissipation and environmental pollution,
When in biogas methane and air mix according to a certain percentage when, it is also possible to set off an explosion, cause security risk；Second is meeting
In addition one gas collector is set outside methane-generating pit spare, but for average family, biogas is excessive in usual pond
Situation is less, if a gas collector is separately provided, not only increases cost, and increase occupied area and safety are hidden
Suffer from.
Summary of the invention
The technical problems to be solved by the present invention are: in the prior art when human error or electronic device damage, it can not
Amount and the time for adjusting disengaging material in real time according to real-time condition in methane-generating pit in time, it is easy to cause the uncontrollable situation of input and output material
The problem of generation, and it is an object of the present invention to provide a kind of environmentally friendly biogas generating system to solve the above problems control technique.
The present invention is achieved through the following technical solutions:
A kind of control technique of environmental protection biogas generating system, comprising: automatic after being pre-processed using biogas generating system
Realize input and output material；
Wherein, the structure of biogas generating system includes: methane-generating pit, the excrement storage tank being connected to methane-generating pit；The biogas
Pond includes the methane-generating pit ontology with exhaust outlet, inlet port and outlet port；The material outlet of the excrement storage tank passes through connection
Pipeline is connected to feed inlet；Overflow mechanism is installed, methane-generating pit body upper part is provided with overflow port in the methane-generating pit ontology；Institute
Stating overflow mechanism includes the overflow pipe that one end port is protruded into biogas slurry；The other end of the overflow pipe is connected to overflow port, and is overflow
Overflow outer tube is communicated on head piece；Overflow outer tube is located at methane-generating pit body exterior, and discharge port is located at methane-generating pit ontology bottom position
Place；It is provided with shut-off valve on the discharge port, a check valve is respectively arranged in the connecting pipe and overflow outer tube；It is described
The feed pipe for protruding into methane-generating pit body bottom portion is connected on the intrinsic feed inlet of methane-generating pit.
Wherein, pretreated process are as follows:
A, continue for excrement to be added in excrement storage tank, the excrement in excrement storage tank is flowed into biogas by check valve
In the ontology of pond, when the overflow outer tube at overflow port position has excrement outflow, vacuumized by exhaust outlet, due to methane-generating pit
Intrinsic suction function continues the excrement in excrement storage tank to be pumped into methane-generating pit ontology up to filling up, close at this time
Shut-off valve on exhaust outlet；It then proceedes to add excrement into excrement storage tank, the overflow outer tube at overflow port position is again
When having excrement outflow, stop adding excrement into excrement storage tank, at this time in excrement storage tank the top level height of excrement with
The height of overflow port is consistent in methane-generating pit ontology；Due to the excrement height in excrement storage tank and the height at overflow port position
Degree is consistent, and there is no the relationships of pressure difference, and therefore, excrement stopping is input in methane-generating pit ontology in excrement storage tank；
B, excrement starts fermentation generation gas in methane-generating pit ontology, and after a period of time, gas increases and then cause methane-generating pit
Pressure rise in ontology maintains methane-generating pit ontology internal pressure so that portion of stool be exported out of methane-generating pit ontology by overflow pipe
Power, when methane-generating pit body interior liquid level and fair overflow open height, the pressure of methane-generating pit body interior upper gas is equal to one
A standard atmospheric pressure；
C, then continuing fermentation, the pressure of methane-generating pit body interior upper gas continues to increase, and then continues methane-generating pit
The excrement of body interior is extruded from overflow port, keeps the pressure balance of methane-generating pit body interior.
When using biogas:
D, gas is exported by exhaust outlet, and then makes pressure reduction in methane-generating pit ontology, due to the shut-off valve on discharge port
And the synergistic effect of two check valves, effectively excrement in excrement storage tank is drawn into methane-generating pit ontology, is methane-generating pit sheet
Body afterfermentation substance；
During biogas uses and does not use, circulating repetition step c and d, realization pass in and out methane-generating pit ontology automatically always
Material in whole process, remains in excrement storage tank with excrement and excrement height is lower than the level where overflow port position
Face height.
Amount of the present invention without the artificial substance for determining addition methane-generating pit ontology, it is only necessary to which excrement is added to excrement storage
In tank, guarantee the top level height of excrement in excrement storage tank not higher than the level height at overflow port position, excrement
Addition facilitate more automatically, effect is very significant.
Further, the overflow mechanism further includes the kickboard for being placed on biogas slurry surface in methane-generating pit ontology, is fixed on kickboard
The float of lower section；The overflow pipe includes through kickboard and extending into the overflow inner tube in biogas slurry and one end and overflow inner tube
The connection of top port, the connection hose that is connected to overflow port of the other end；The overflow inner tube is fixed in kickboard, if extending into
The length of overflow inner tube in biogas slurry is L, then L is less than 20cm.
Kickboard in the present invention can follow the lifting of biogas slurry and go up and down, and be always positioned at the surface of biogas slurry in methane-generating pit ontology,
Thus biogas slurry only can be extruded into methane-generating pit ontology effectively when methane content increase leads to pressure increase in methane-generating pit ontology.
Thus, by the setting of above structure, in the excessive situation of biogas, do not have to discharge biogas, by the pressure of biogas by biogas slurry
It is pressed into overflow inner tube, the biogas slurry that will be pressed into overflow inner tube by connecting hose is discharged to overflow outer tube, and then outside overflow
Methane-generating pit ontology is discharged in pipe, alleviates the intrinsic pressure of methane-generating pit, solves security risk caused by biogas accumulation excessively.
Mode of the invention makes overflow inner tube bottom end be always maintained at place by the synergy between overflow inner tube and kickboard
In the supernatant liquor of biogas slurry, thus the supernatant liquor being only discharged in biogas slurry, it is reduced by the way that supernatant liquor is discharged in time
The intrinsic pressure of methane-generating pit, and then guarantee the safety of methane-generating pit.Thus the present invention is in the case where guaranteeing methane-generating pit safety, no
It is only capable of effectively biogas being avoided to be discharged in air, reduces and even avoid pollution, effectively save energy wave caused by biogas empties
Take and biogas evacuation procedure present in security risk；Moreover, setting through the invention separately increases without outside methane-generating pit
If a biogas collection device, reduces and increase biogas collection device and increased occupied area, while reducing increase gas collection
The cost input of device, effect are more significant.
Moreover, the setting of structure through the invention, moreover it is possible to which the dross being effectively isolated in biogas slurry avoids the discharge of dross, should
Setting is not only only capable of that dross fermentation is maximumlly utilized to generate biogas, the effective rate of utilization of organic matter is improved, it can also effectively
Environmental pollution caused by the discharge of dross is avoided, effect is very significant.
Further, the float below the kickboard is multiple, and float is in up big and down small conical structure, between float
Kickboard on be provided with venthole.The kickboard is made of hard plastic board, and the float is made of foamed plastics, and kickboard passes through
The effect of float swims in biogas slurry surface.
By the setting of above structure, it is empty that the gas that can greatly facilitate fermentation to generate is discharged into methane-generating pit body upper part
Between, guarantee that kickboard swims in biogas slurry surface always, gas is avoided to be discharged from overflow inner tube, effect is more significant.
Preferably, the connection hose is flange-connection stainless steel metal flexible pipe, the length and methane-generating pit ontology of the connection hose
Inside wall height is identical.The length of the L is 5~10cm, and the height of the float is less than L at least 1cm.
Compared with prior art, the present invention having the following advantages and benefits:
1, the excrement after fermenting in methane-generating pit ontology is discharged to methane-generating pit ontology automatically by the principle of pressure difference by the present invention
It is outer or excrement in excrement storage tank is drawn into methane-generating pit ontology, so effectively realize in methane-generating pit ontology the supplement of excrement and
Continuing fermentation is realized in discharge；
2, mode of the invention effectively can avoid biogas from being discharged in air, reduce and even avoid pollution, effectively saving natural pond
Energy waste and security risk caused by gas emptying；And the present invention is not necessarily to increase occupied area, and reduces cost input,
Security performance is improved, effect is more significant；Meanwhile the dross in biogas slurry is isolated by kickboard, prevent dross from arranging by overflow pipe
Out, it avoids the discharge of dross from polluting environment, while preferably generating biogas using dross fermentation, improve the utilization rate of organic matter.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the schematic diagram of internal structure of methane-generating pit in the present invention.
Label and corresponding parts title in attached drawing:
1- methane-generating pit, 2- excrement storage tank, 3- connecting pipe, 4- shut-off valve, 5- check valve, 6- overflow outer tube；
11- feed inlet, 12- discharge port, 13- methane-generating pit ontology, 14- kickboard, 15- float, 16- venthole, in 17- overflow
Pipe, 18- feed pipe, 19- connection hose.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
A kind of control technique of environmental protection biogas generating system, comprising: automatic after being pre-processed using biogas generating system
Realize input and output material.
Wherein, as depicted in figs. 1 and 2, biogas generating system includes methane-generating pit 1, the excrement storage tank being connected to methane-generating pit 1
2, the methane-generating pit 1 includes the methane-generating pit ontology 13 with exhaust outlet, feed inlet 11 and discharge port 12；The methane-generating pit ontology 13
The feed pipe 18 for protruding into 13 bottom of methane-generating pit ontology is connected on interior feed inlet 11；
The material outlet of the excrement storage tank 2 is connected to by connecting pipe 3 with feed inlet 11；The methane-generating pit ontology 13
Overflow mechanism is inside installed, 13 top of methane-generating pit ontology is provided with overflow port；The overflow mechanism includes that natural pond is protruded into one end port
Overflow pipe in liquid；The other end of the overflow pipe is connected to overflow port, and overflow outer tube 6 is communicated on overflow port, outside overflow
The feed inlet of pipe 6 is connected to overflow port, and the integral position of overflow outer tube 6 is below overflow port position, in order to preferably reach liquid
The purpose of envelope is connected with the bending that a partial sector has the flowing of water flow upwardly direction on the discharge port of the overflow outer tube 6
Part, bending member whole height are below overflow port position, as shown in Figure 1；Overflow outer tube 6 is located at outside methane-generating pit ontology 13, out
Material mouth 12 is located at 13 bottom position of methane-generating pit ontology, and exhaust outlet is located at the apical position of methane-generating pit ontology 13；
It is provided with shut-off valve 4 on the exhaust outlet and discharge port 12, distinguishes in the connecting pipe 3 and overflow outer tube 6
It is provided with a check valve 5, the flow direction of the check valve 5 in the overflow outer tube 6 is inside methane-generating pit ontology 13 towards biogas
Outside pond ontology 13, the flow direction of the check valve 5 in the connecting pipe 3 is outside methane-generating pit ontology 13 towards methane-generating pit ontology
Inside 13；
The top level height of excrement is not higher than the level height at overflow port position in the excrement storage tank 2.This reality
Applying the overflow pipe in example is hard pipeline, and one end port of overflow pipe is extend at the bottom position of methane-generating pit ontology 13.
Wherein, pretreated process are as follows:
A, continue for excrement to be added in excrement storage tank 2, the excrement in excrement storage tank 2 is flowed by check valve 5
In methane-generating pit ontology 13, when the overflow outer tube 6 at overflow port position has excrement outflow, pumping gymnastics is carried out by exhaust outlet
Make, after gas exhausts, form negative pressure in methane-generating pit ontology 13, due to the suction function in methane-generating pit ontology 13, continues excrement
Just the excrement in storage tank 2 is pumped into up to filling up in methane-generating pit ontology 13, closes the shut-off valve 4 on exhaust outlet at this time.Then
Continue to add excrement into excrement storage tank 2, when the overflow outer tube 6 at overflow port position has excrement outflow again, stop to
Excrement is added in excrement storage tank 2, at this time overflowing in the top level height of excrement and methane-generating pit ontology 13 in excrement storage tank 2
Head piece height is consistent.Since the excrement height in excrement storage tank 2 is consistent with the height at overflow port position, excrement storage
The relationship of pressure difference is not present between 2 top liquid level of tank and overflow port position, guarantees that excrement will not be flowed out from overflow port, at this point,
Stopping being also input in methane-generating pit ontology 13 by excrement in excrement storage tank 2.
B, excrement starts fermentation generation gas in methane-generating pit ontology 13, and after a period of time, gas increases and then cause biogas
Pressure rise in pond ontology 13 maintains methane-generating pit sheet so that portion of stool be exported out of methane-generating pit ontology 13 by overflow pipe
Pressure in body 13, when 13 internal liquid level of methane-generating pit ontology and fair overflow open height, methane-generating pit body interior upper gas
Pressure is equal to a standard atmospheric pressure；
C, then continuing fermentation, the pressure of 13 inner upper gas of methane-generating pit ontology continues to increase, and then continues biogas
Excrement inside pond ontology 13 is extruded from overflow port, keeps the pressure balance inside methane-generating pit ontology 13.
After pretreatment, when using biogas, the auto feed of methane-generating pit ontology and discharging process are as follows:
D, biogas is exported by exhaust outlet, and then makes pressure reduction in methane-generating pit ontology 13, due to the cut-off on discharge port
Excrement in excrement storage tank 2 is effectively drawn into methane-generating pit ontology 13 by the synergistic effect of valve 4 and two check valves 5, is natural pond
13 afterfermentation substance of gas pond ontology, while keeping having excrement and excrement height lower than overflow port position in excrement storage tank 2
The elevation of water at place.
During biogas is used and do not used, circulating repetition above-mentioned steps c and d, realization are automatic always for methane-generating pit ontology 13
Input and output material reaches auto feed and discharge, realizes the purpose of continuing fermentation.
When needing Maintenance and Repair, only need to first open shut-off valve on exhaust outlet by firedamp drainage it is complete after, then open discharging
Biogas slurry is discharged shut-off valve 4 on mouth 12.
In the prior art when the usage amount of biogas in methane-generating pit is little, it is easy to cause biogas a large amount of heaps in methane-generating pit
Product, and then pressure in pond can be greatly increased, easily cause security risk.To solve the above-mentioned problems, in the prior art usually
Way there are two types of, one is being vented directly in atmosphere, alleviate pressure in methane-generating pit, this method will lead to energy dissipation and
Environmental pollution, when in biogas methane and air mix according to a certain percentage when, it is also possible to set off an explosion, cause security risk；
It is that a gas collector to be in addition arranged outside methane-generating pit spare for second, but for average family, in usual pond
The situation of biogas excess is less, if a gas collector is separately provided, not only increases cost, and increase land occupation face
Long-pending and security risk.
The present invention is not only only capable of effectively achieving the purpose that automatic feed/discharge by the optimal setting of above structure, but also
The purpose that gas capacity in methane-generating pit can be increased when biogas usage amount is smaller avoids security risk caused by biogas empties,
Also avoid in addition adding simultaneously take up a large area caused by biogas storing apparatus, the problems such as cost input is high, effect is very aobvious
It writes.
Due to gas storage it is more in the case where, discharge excrement it is also more, thus ferment substance also accordingly reduce,
The gas that fermentation generates also accordingly is greatly reduced, and automatically prolong storage time of the biogas in methane-generating pit ontology 1, further mentions
High practicability.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, the structure of overflow mechanism has been advanced optimized in the present embodiment, specifically
It is provided that
The overflow mechanism further includes the kickboard 14 for being placed on biogas slurry surface in methane-generating pit ontology 13, is fixed under kickboard 14
The float 15 of side；Overflow pipe includes through kickboard 14 and the overflow inner tube 17 extending into biogas slurry and one end and overflow inner tube
The connection hose 19 that 17 top port is connected to, the other end is connected to overflow port；The overflow inner tube 17 is fixed in kickboard 14,
If the length for the overflow inner tube 17 extending into biogas slurry is L, then L is less than 20cm.
The setting of structure through the invention, moreover it is possible to which the dross being effectively isolated in biogas slurry avoids the discharge of dross, and the setting is not
It is only capable of that dross fermentation is maximumlly utilized to generate biogas, the effective rate of utilization of organic matter is improved, it can also effectively avoiding floating
Environmental pollution caused by the discharge of slag, effect are very significant.
Embodiment 3
The present embodiment the difference from example 2 is that, advanced optimized in the present embodiment kickboard 14, float 15 and connection
The structure of hose 19, is specifically provided that
The float 15 of 14 lower section of the kickboard be it is multiple, float 15 is in up big and down small conical structure, float 15 it
Between kickboard 14 on be provided with venthole 16.The kickboard 14 is made of hard plastic board, and the float 15 is by foamed plastics system
At kickboard 14 swims in biogas slurry surface by the effect of float 15.
The connection hose 19 is flange-connection stainless steel metal flexible pipe, and the length for connecting hose 19 is interior with methane-generating pit ontology 13
Wall height is identical.The length of the L is 5~10cm, and the height of the float 15 is less than L at least 1cm.
By the setting of above structure, kickboard can be effectively ensured and swim in the surface of biogas slurry always, and facilitate raw in biogas slurry
At biogas be stacked into the top of methane-generating pit ontology, do not influence the generation of biogas.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of control technique of environmental protection biogas generating system characterized by comprising located in advance using biogas generating system
Automatically input and output material is realized after reason；
Wherein, the structure of biogas generating system includes: methane-generating pit (1), the excrement storage tank (2) being connected to methane-generating pit (1)；It is described
Methane-generating pit (1) includes the methane-generating pit ontology (13) with exhaust outlet, feed inlet (11) and discharge port (12)；The excrement storage tank
(2) material outlet is connected to by connecting pipe (3) with feed inlet (11)；Overflow dress is installed in the methane-generating pit ontology (13)
It sets, methane-generating pit ontology (13) top is provided with overflow port；The overflow mechanism includes the overflow pipe that one end port is protruded into biogas slurry；
The other end of the overflow pipe is connected to overflow port, and overflow outer tube (6) are communicated on overflow port；Overflow outer tube (6) is located at natural pond
Gas Chi Benti (13) is external, and discharge port (12) is located at methane-generating pit ontology (13) bottom position；The exhaust outlet and discharge port
(12) it is provided on shut-off valve (4), is respectively arranged with a check valve in the connecting pipe (3) and overflow outer tube (6)
(5)；The feed pipe for protruding into methane-generating pit ontology (13) bottom is connected on feed inlet (11) in the methane-generating pit ontology (13)
(18)；
Wherein, pretreated process are as follows:
A, the shut-off valve (4) on discharge port (12) is closed, the shut-off valve (4) on exhaust outlet is opened, continues excrement being added to excrement
Just in storage tank (2), the excrement in excrement storage tank (2) is flowed into methane-generating pit ontology (13) by check valve (5), works as overflow
When overflow outer tube (6) at mouth position has excrement outflow, pumping air is carried out by exhaust outlet, when the air is exhausted methane-generating pit ontology
(13) negative pressure is formed in, the excrement in excrement storage tank (2) is pumped into methane-generating pit ontology (13) until filling up by negative pressure；Continue
To adding excrement in excrement storage tank (2), when the overflow outer tube (6) at overflow port position has excrement outflow again, stop to
Excrement is added in excrement storage tank (2), at this time the top level height of excrement storage tank (2) interior excrement and methane-generating pit ontology (13)
The height of interior overflow port is consistent；
B, methane-generating pit ontology (13) interior excrement starts fermentation generation gas, and gas continues to increase, and gas, which increases, makes methane-generating pit ontology
(13) interior pressure rise, so that portion of stool export out of methane-generating pit ontology (13) by overflow outer tube (6) is maintained methane-generating pit
Ontology (13) interior pressure, when methane-generating pit ontology (13) internal liquid level and fair overflow open height, methane-generating pit body interior top
The pressure of gas is equal to a standard atmospheric pressure；
C, then continuing fermentation, the pressure of methane-generating pit ontology (13) inner upper gas continues to increase, and then continues methane-generating pit
The internal excrement of ontology (13) is extruded from overflow port, the pressure balance for keeping methane-generating pit ontology (13) internal；
After pretreatment, remain in excrement storage tank (2) have excrement, and in excrement storage tank (2) excrement height lower than overflow
Elevation of water where head piece position.
2. a kind of control technique of environmentally friendly biogas generating system according to claim 1, which is characterized in that the overflow dress
Set further includes the kickboard (14) for being placed on biogas slurry surface in methane-generating pit ontology (13), the float being fixed below kickboard (14)
(15)；Overflow pipe includes through kickboard (14) and extending into the overflow inner tube in biogas slurry (17) and one end and overflow inner tube
(17) the connection hose (19) that top port connection, the other end are connected to overflow port；The overflow inner tube (17) is fixed on floating
On plate (14), if the length for the overflow inner tube (17) extending into biogas slurry is L, then L is less than 20cm.
3. according to claim2 A kind of control technique of environmentally friendly biogas generating system, which is characterized in that the kickboard
(14) float (15) below be it is multiple, float (15) is in up big and down small conical structure, the kickboard between float (15)
(14) venthole (16) are provided on.
4. according to claim2 A kind of control technique of environmentally friendly biogas generating system, which is characterized in that the kickboard
(14) it is made of hard plastic board, the float (15) is made of foamed plastics, and kickboard (14) is floated by the effect of float (15)
Float on biogas slurry surface.
5. according to claim2 A kind of control technique of environmentally friendly biogas generating system, which is characterized in that the connection
Hose (19) is flange-connection stainless steel metal flexible pipe, the length and the inside wall height phase of methane-generating pit ontology (13) of connection hose (19)
Together.
6. according to claim2 A kind of control technique of environmentally friendly biogas generating system, which is characterized in that the length of the L
Degree is 5~10cm, and the height of the float (15) is less than L at least 1cm.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095198U (en) * | 1991-03-14 | 1992-02-05 | 西安市未央区能源办公室 | Automatic circulating methane-generating pit |
| CN1493681A (en) * | 2003-08-19 | 2004-05-05 | 杨海玉 | Medium and small sized centralized gas supply sludge gas fermentation tank |
| CN201695028U (en) * | 2010-06-11 | 2011-01-05 | 方义 | Inner-container-type external circulating solar biogas digester |
-
2018
- 2018-04-28 CN CN201810398342.1A patent/CN108341573B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095198U (en) * | 1991-03-14 | 1992-02-05 | 西安市未央区能源办公室 | Automatic circulating methane-generating pit |
| CN1493681A (en) * | 2003-08-19 | 2004-05-05 | 杨海玉 | Medium and small sized centralized gas supply sludge gas fermentation tank |
| CN201695028U (en) * | 2010-06-11 | 2011-01-05 | 方义 | Inner-container-type external circulating solar biogas digester |
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| CN108341573A (en) | 2018-07-31 |
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