CN201292363Y - Constant-pressure automatic shell-breaking biogas generating pit - Google Patents

Constant-pressure automatic shell-breaking biogas generating pit Download PDF

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Publication number
CN201292363Y
CN201292363Y CNU2008201924242U CN200820192424U CN201292363Y CN 201292363 Y CN201292363 Y CN 201292363Y CN U2008201924242 U CNU2008201924242 U CN U2008201924242U CN 200820192424 U CN200820192424 U CN 200820192424U CN 201292363 Y CN201292363 Y CN 201292363Y
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tank
gas
constant voltage
gas hood
generating pit
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CNU2008201924242U
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Chinese (zh)
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蔡宏柯
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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
    • 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
    • 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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/59—Biological synthesis; Biological purification

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
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  • Sustainable Development (AREA)
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  • General Engineering & Computer Science (AREA)
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Abstract

The utility model relates to an automatic rejuvenation marsh gas tank with constant pressure, belonging to the technical field of fermentation equipment for renewable energy sources. The marsh gas tank comprises a marsh gas tank, a feed pipe, a discharge pipe and a constant pressure gas accumulation perpetual motion machine, wherein the feed pipe and the discharge pipe are respectively arranged on both sides of the fermentation tank, and the constant pressure gas accumulation perpetual motion machine is arranged on the upper part of the fermentation tank. The constant pressure gas accumulation perpetual motion machine comprises a gas hood, reinforced concrete weight counterbalance crosses and clamping bolts, wherein the lower part of the gas hood is provided with an opening, the gas hood is fixed and tightly clamped between the two reinforced concrete weight counterbalance crosses by the clamping bolts, and a rejuvenator is arranged in the gas hood. The up-and-down movement of the constant pressure gas accumulation perpetual motion machine guarantees constant pressure gas supply and prevents scruff in the tank from causing the phenomenon of incrustation layer, and materials in the tank can be replaced by one user. The utility model has the advantages of short tank construction period, fast and flexible installation and adjustable tank size, solves the problems of poor air tightness, easy occurrence of the phenomenon of incrustation layer caused by the scruff in the tank, high cost of tank construction and large ground occupation, and is especially suitable for stalk fermentation for preparing marsh gas.

Description

Constant voltage automatic shell-breaking formula methane-generating pit
Technical field:
The utility model relates to a kind of constant voltage automatic shell-breaking formula methane-generating pit, belongs to renewable energy source fermentation equipment building technology field.
Background technology:
Biogas is as a kind of renewable energy source, can handle and utilizes the stalk in rural area and human and animal excreta, can realize single household's air feed again, is subjected to the welcome of wide farmers deeply.But rural market 85% all is traditional concrete structure hydraulic type biomass pool at present, and it is novel biomass pool built from glass fiber reinforced plastic that sub-fraction is arranged, but all there is following defective in these two kinds of methane-generating pits.
(1) the easy crack of pond body: after using for some time, because the acid-base material in the pond after the fermentation is to the corrosion of pond body, when peasant household is a few days out or for some time is not used biogas because of busy, biogas expands in pond body the inside and causes body crack, pond, stays potential safety hazard for the normal biogas that uses.In a single day the pond body produces the crack, just must empty all fermented products in the pond, carries out swabbing then and squeegees, and is prone to the biogas poisoning in the mending course, and maintenance difficulty is big.
(2) it is high to build pond investment: build a 8-10 cube of domestic methane tank and need about 2000 yuan of funds, add to change the kitchen, change the lavatory, change the circle expense that gross investment needs about 3500 yuan.And in the most Rural areass of China, peasant household all is the self-raised fund construction of marsh gas tank, and part peasant household drops into limited in one's ability, can't realize the dream of usefulness gas.
(3) easily crust in the pond: in the process of using stalk fermentation, fermentation raw material forms scum layer at the upper strata crust, influences biogas and enters gas tank, makes the methane gas producing rate reduce even stop aerogenesis.
(4) pond internal gas pressure shakiness: the air chamber volume can not change, and air pressure can not keep pressure constant state, changes with variation of ambient temperature; Summer the air pressure height, gas toos many or too much for use; Winter, air pressure was low, and gas is used not enough, even did not have gas to use.
In order to address the above problem, someone has designed a kind of air chamber volume energy and has changed, can keep the patent No. of pressure constant state to be " 03242633.X ", notification number is the cover-floating type plastic methane tank of " CN2611380Y ", though the floating cover of this methane-generating pit can float, the air chamber volume energy is changed, but cancellated counterweight is adopted in the bottom of air chamber, and employing is fixedlyed connected bottom air chamber, exist one to be floating the cover when moving up and down, the part stalk easily passes reticulated structure and enters in the floating cover, and floating cover is higher than mesh portion when mobile stalk is not stirred, duration of service, the long slightly scum layer crust that can occur equally made the methane gas producing rate reduce even stop the phenomenon of aerogenesis.The 2nd, when scum layer crust occurring and maybe will change material methane-generating pit in, must will float the taking-up of cover integral body, 1-2 people can't finish at all, brings great inconvenience to the user.
Summary of the invention:
The purpose of this utility model is: provide a kind of air chamber volume to change with the pressure variation in the methane-generating pit, the biogas that makes output is constant voltage; And air chamber adopts packaging assembly, and peeler is housed in the gas hood, and the crust layer does not appear in scum silica frost in the pond in, is specially adapted to stalk fermentation and produces biogas, the constant voltage automatic shell-breaking formula methane-generating pit that one people can finish when changing the interior material of methane-generating pit.
The utility model is to realize above-mentioned purpose by following technical solution:
This constant voltage automatic shell-breaking formula methane-generating pit is by fermentation vat, feed-pipe, the moving forever device of discharge nozzle and constant voltage gas storage constitutes, the both sides of fermentation vat are equipped with feed-pipe and discharge nozzle respectively, the moving forever device of constant voltage gas storage is equipped with on the top of fermentation vat, it is characterized in that: the moving forever device of described constant voltage gas storage is by gas hood, Steel Concrete counterweight cross bar and binding bolt are formed, be shaped on opening below the gas hood, two Steel Concrete counterweight cross bares are placed on the upper and lower ends of gas hood, at least three binding bolts are housed on it, and gas hood is fixed to clamp between two Steel Concrete counterweight cross bares by binding bolt, on the Steel Concrete counterweight cross bar of gas hood lower end peeler is housed, the upper top of gas hood is shaped on airway, is shaped on the gas hood positioning seat on the fermentation vat inwall.
In the described discharge nozzle discharging pump is housed, the upper end is shaped on discharge port.Described fermentation vat top is shaped on overflow port.One side of described discharge nozzle is shaped on discharge room.
The utility model beneficial effect compared with prior art is:
The moving forever device of the constant voltage gas storage of this constant voltage automatic shell-breaking formula methane-generating pit keeps the moving forever state of constant voltage forever, guarantees constant pressure air feeding; As long as there is biogas to produce, by the peeler that is equipped with in moving forever up and down characteristic and the gas hood, can reach the purpose of automatic shell-breaking fully, make scum silica frost occur crust layer never in the pond in, be specially adapted to stalk fermentation and produce biogas.And build pond duration weak point, quick for installation after the methane-generating pit charging was finished, the air in the gas hood can be discharged more than 95%, just produces biogas (methane content 60%) in 24 hours, can just use gas always in 48 hours flexibly, (methane content 65%), and new pond is short start time; If reinstall after can taking out at the moving to a better place new home, mobility is strong.Solve the traditional methane tank poor air-tightness, built pond cost height, the problem that floor space is big.And can adopt millwork production, and pond type variation, the pond type can or reduce with customer need expansion.
Description of drawings:
Fig. 1 is the front view of constant voltage automatic shell-breaking formula methane-generating pit;
Fig. 2 is the vertical view of constant voltage automatic shell-breaking formula methane-generating pit.
Among the figure: 1, fermentation vat, 2, feed-pipe, 3, discharge nozzle, 4, gas hood, 5, Steel Concrete counterweight cross bar, 6, binding bolt, 7, the gas hood positioning seat, 8, airway, 9, discharging pump, 10, overflow port, 11, discharge room, 12, peeler, 13, sealing-ring.
Embodiment:
This constant voltage automatic shell-breaking formula methane-generating pit is made of the moving forever device of fermentation vat 1, feed-pipe 2, discharge nozzle 3 and constant voltage gas storage, the both sides of fermentation vat 1 are equipped with feed-pipe 2 and discharge nozzle 3 respectively, discharging pump 9 is housed in the discharge nozzle 3, the upper end of discharge nozzle 3 is shaped on discharge port 12, and the top of fermentation vat 1 is shaped on overflow port 10.The moving forever device of constant voltage gas storage is equipped with on the top of fermentation vat 1, and spacing fixing by the gas hood positioning seat on fermentation vat 1 inwall 7.The moving forever device of described constant voltage gas storage is made up of gas hood 4, Steel Concrete counterweight cross bar 5 and binding bolt 6, and gas hood 4 is a circular shell, and last face closure is shaped on opening below.Two Steel Concrete counterweight cross bares 5 be placed on the top of gas hood 4 and below, and two Steel Concrete counterweight cross bares 5 and gas hood 4 are fixed to clamp by four binding bolts 6, on the Steel Concrete counterweight cross bar 5 of gas hood 4 lower ends peeler 12 is housed, the upper top of gas hood 4 is shaped on airway 8 (referring to accompanying drawing 1-2).
After the stalk of this constant voltage automatic shell-breaking formula methane-generating pit is directly put into fermentation vat 1, again with on the moving forever appliance cover of constant voltage gas storage.Feed-pipe 2 can directly be connected with lavatory, kitchen pigsty, and human and animal excreta is flowed into the fermentation vat 1 of anaerobically fermenting agent set by feed-pipe 2.The Link Port of feed-pipe 2 is located at fermentation vat 1 middle part, and the human and animal excreta of inflow just enters the centre of sweathouse, has guaranteed the abundant fermentation of raw material, improves factor of created gase.
The moving forever device of the degree of depth of the gas hood positioning seat 7 in the fermentation vat 1 and constant voltage gas storage is contour and top, feed-pipe 2 connection portion fair, guarantees the normal charging of storage cover opening for feed in lifting process.The constant voltage gas storage gas hood 4 of moving device forever forms the integral body of sealing fully with fermentation vat 1, provides good anaerobic environment to fermented product.Below the gas hood 4 be opening, above and a following Steel Concrete counterweight cross bar 5 formation constant weight that respectively are equipped with.
Discharge nozzle 3 is connected 20 centimeters places above fermentation vat 1 bottom, and discharging pump 9 fits over discharge nozzle 3 the insides, fluid or viscid fermented liquid can be retracted in the discharge room 11.Overflow port 10 is positioned at from 5 centimeters places, fermentation vat 1 top, and fermented liquid passed through overflow port 10 automatic overflows to discharge room 11 when the fermented product liquid level was too high.
Human and animal excreta enter fermentation vat 1 back usually natural sedimentation be divided into four layers, by last under be respectively scum layer supernatant liquor active coating and sediment layer.The 20 centimeters sediment layers in the utility model bottom can guarantee schistosome ovum roundworm egg hookworm ovum, the residence time of colibacillus in device, reach the purpose of killing various worm's ovums.
When this constant voltage automatic shell-breaking formula methane-generating pit used, in the fermentation vat 1 during the beginning fermentation gas, biogas pressure rose the moving forever device of constant voltage gas storage greater than the constant voltage gas storage constant weight of moving device forever, and biogas is stored in the gas hood 4.Biogas pressure reduces during with gas, the moving forever device of constant voltage gas storage descends, smaller volume in the gas hood 4, make the biogas pressure of output constant, and the moving forever device of constant voltage gas storage is in the state of moving up and down for a long time, place gas hood 4 lower ends Steel Concrete counterweight cross bar 5 and on the peeler 12 that is equipped with along with lifting is carried out certain stirring to fermentation raw material, microorganism is fully contacted with fermentation raw material, break demixing phenomenon simultaneously, active coating is expanded in whole fermented liquids, effectively prevent the generation of crust phenomenon, guaranteed pond temperature homogeneous, promoted gas-liquid separation.
Described peeler 12 is made by the reinforcing bar of ￠ 10-￠ 16, can make parabola shaped, or by " ten " font of the top of straight reinforcing bar weldering, also can be made into other shapes, the effect of peeler 12 is because the distance that Steel Concrete counterweight cross bar 5 moves up and down is limited, can not stir uppermost fermentation material, can stir all fermentation material of fermentation material by peeler 12, thoroughly fermentation raw material is particularly suitable for adopting stalk fermentation to produce biogas in the problem of upper strata crust formation scum layer in the solution pond.Described gas hood 4 adopts the high-molecular polythene material to make.The sealing-ring 13 that a circle is made with sponge is equipped with in the inwall top of described fermentation vat 1, and main effect is to prevent that fermented product from overflowing from the gap of fermentation vat 1 and gas hood 4, keeps hygienically clean.

Claims (6)

1, this constant voltage automatic shell-breaking formula methane-generating pit, it is by fermentation vat (1), feed-pipe (2), the moving forever device of discharge nozzle (3) and constant voltage gas storage constitutes, the both sides of fermentation vat (1) are equipped with feed-pipe (2) and discharge nozzle (3) respectively, the moving forever device of constant voltage gas storage is equipped with on the top of fermentation vat (1), it is characterized in that: the moving forever device of described constant voltage gas storage is by gas hood (4), Steel Concrete counterweight cross bar (5) and binding bolt (6) are formed, gas hood is shaped on opening below (4), two Steel Concrete counterweight cross bares (5) are placed on the upper and lower ends of gas hood (4), at least three binding bolts (6) are housed on it, and gas hood (4) is fixed to clamp between two Steel Concrete counterweight cross bares (5) by binding bolt (6), on the Steel Concrete counterweight cross bar (5) of gas hood (4) lower end peeler (12) is housed, the upper top of gas hood (4) is shaped on airway (8), is shaped on gas hood positioning seat (7) on fermentation vat (1) inwall.
2, constant voltage automatic shell-breaking formula methane-generating pit according to claim 1, it is characterized in that: discharging pump (9) is housed in the described discharge nozzle (3), and the upper end is shaped on discharge port (12).
3, constant voltage automatic shell-breaking formula methane-generating pit according to claim 1, it is characterized in that: described fermentation vat (1) top is shaped on overflow port (10).
4, constant voltage automatic shell-breaking formula methane-generating pit according to claim 1, it is characterized in that: a side of described discharge nozzle (3) is shaped on discharge room (11).
5, constant voltage automatic shell-breaking formula methane-generating pit according to claim 1 is characterized in that: described gas hood (4) adopts the high-molecular polythene material to make.
6, constant voltage automatic shell-breaking formula methane-generating pit according to claim 1 is characterized in that: the sealing-ring (13) that a circle is made with sponge is equipped with in the inwall top of described fermentation vat (1).
CNU2008201924242U 2008-11-14 2008-11-14 Constant-pressure automatic shell-breaking biogas generating pit Expired - Fee Related CN201292363Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277967A (en) * 2014-09-19 2015-01-14 天津市绿盛源环境工程有限公司 Self-cleaning type biogas digester
CN104293654A (en) * 2014-09-19 2015-01-21 天津共筑环境工程有限公司 Novel biogas digester
CN113956956A (en) * 2021-08-19 2022-01-21 王兴旺 Fermentation vat is collected to marsh gas

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277967A (en) * 2014-09-19 2015-01-14 天津市绿盛源环境工程有限公司 Self-cleaning type biogas digester
CN104293654A (en) * 2014-09-19 2015-01-21 天津共筑环境工程有限公司 Novel biogas digester
CN104277967B (en) * 2014-09-19 2016-04-27 天津市绿盛源环境工程有限公司 A kind of self-cleaning type methane-generating pit
CN113956956A (en) * 2021-08-19 2022-01-21 王兴旺 Fermentation vat is collected to marsh gas

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Granted publication date: 20090819

Termination date: 20101114