CN209276514U - A kind of large-sized biogas anaerobic digestion reaction vessel - Google Patents
A kind of large-sized biogas anaerobic digestion reaction vessel Download PDFInfo
- Publication number
- CN209276514U CN209276514U CN201822054832.8U CN201822054832U CN209276514U CN 209276514 U CN209276514 U CN 209276514U CN 201822054832 U CN201822054832 U CN 201822054832U CN 209276514 U CN209276514 U CN 209276514U
- Authority
- CN
- China
- Prior art keywords
- tank
- pump
- tank body
- liquid
- anaerobic digestion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of large-sized biogas anaerobic digestion reaction vessels, it includes tank body, annular-heating coil pipe is equipped in tank body, it includes a main agitator and three secondary agitators, linker and circulating pump are equipped with outside tank body, linker is connected to by snorkel and fluid-through tube with tank interior, the pump front tube for connecting device is arranged in circulating pump water inlet, it is managed after circulating pump water outlet setting pump, pump front tube is responsible for the multiple liquid branch pipes out that tank base is extend into from tank skin of connection by going out liquid, and pipe connection is responsible for from the liquid that returns that tank deck extend into tank body top after pump.It is reasonable in design, cheap, and air-tightness is good, and design is scientific and reasonable for stirring, low in energy consumption, is conducive to fermentative microflora breeding, and gas producing efficiency is high.
Description
Technical field
The utility model belongs to biogas project facility technology field, especially a kind of large-sized biogas anaerobic digestion reaction vessel.
Background technique
Large-sized biogas engineering technology is one to develop and use biomass resource as object, to obtain the energy and administer ring
For the purpose of the pollution of border, the rural energy resources project technology of Agro-ecology benign cycle is realized.It is to send out biomass material as biogas
Anaerobic fermentation is carried out in fermentation tank and produces biogas, delays the biomass energy in biomass material in the form of this fuel gas of biogas
It slowly releases, realizes the high effect cleaning recovery energy of the biomass resources such as agricultural crop straw, it not only can effectively solve
Problem of environmental pollution, and biogas biomass energy can be produced, it is one of the effective way for solving energy and environmental problem.
The technological core of biogas project is anaerobic fermentation, and the key of anaerobic fermentation is fermentor, is conducive to anaerobism hair
The fermentor of ferment is in the case where guaranteeing it with air-tightness, it is also necessary to provide suitable temperature, reasonable solid-liquid ratio, as far as possible
Biomass material is allowed to be sufficiently mixed with biogas slurry.
In the prior art, large-sized biogas anaerobic digestion reaction vessel is typically all cylindrical shape made of having armored concrete to pour
Multiple blenders are arranged in tank interior in the fermentor of structure, and several annular-heating water pipes are arranged in lower part in tank body, main
The disadvantage is that the unreasonable structural design of tank body, cost is high and air-tightness is bad, and blender setting is unreasonable, and power consumption is big, is unfavorable for
Fermentative microflora breeding generates biogas.
Summary of the invention
The purpose of this utility model is to provide a kind of large-sized biogas anaerobic digestion reaction vessels, it is structurally reasonable, low cost
Honest and clean, air-tightness is good, and design is scientific and reasonable for stirring, low in energy consumption, is conducive to fermentative microflora breeding, and gas producing efficiency is high.
Technical solution used by the utility model is achieved in that
A kind of large-sized biogas anaerobic digestion reaction vessel, it includes the circle tube tank body being made of tank bottom, tank skin and abhiseca, tank
Internal tank skin lower part is equipped with annular-heating coil pipe, is equipped with the escape pipe of connection tank interior in tank deck, sets in tank deck and/or tank skin
There is charging nozzle, is equipped with manhole in tank deck and/or tank skin；It is characterized by: being equipped with one in the center of abhiseca includes master
The main agitator of agitating shaft and main stirring wing, the lower end of main agitating shaft extend into middle and lower part position in tank body, under main agitating shaft
End is installed by main stirring wing；Three secondary agitators including secondary agitating shaft and secondary stirring wing are set in abhiseca annular spread, pair stirs
Axis lower end extend into middle and upper part position in tank body, and secondary stirring wing is installed in the lower end of secondary agitating shaft；It is equipped with uprightly outside tank body
Linker, linker top are equipped with the fluid-through tube of the snorkel of ullage and liquid level lower part in connection tank body in connection tank body,
Circulating pump is equipped with outside tank body, valve connects device lower part to circulating pump water inlet by pump front tube and before pumping, and recycles pump water inlet
Mouthful and pump front tube before pumping between valve by go out liquid supervisor's connection it is multiple from tank skin extend into tank base equipped with liquid valve
Liquid branch pipe out, the connection of circulating pump water outlet are managed after pumping, and pipe is equipped with valve after pump after pump, after circulating pump water outlet and pump between valve
Pipe is responsible for by returning the connection of liquid valve from the liquid that returns that tank deck extend into tank body top after pump.
Preferably, the internal height of circle tube tank body is 8~12 meters, and the inside diameter of circle tube tank body is 22~28 meters,
The lower end of main agitating shaft is 0.5~1 meter apart from tank bottom, and secondary agitating shaft lower end is 1.2~1.5 meters apart from tank deck, main stirring wing
Single-blade length is 3~4 meters, and the single-blade length of secondary stirring wing is 1~1.5 meter.
Preferably, the tank bottom is successively protected by corrosion-inhibiting coating, 18~22mm thick polymer cement mortar from inside to outside
Layer, the cement based penetration crystallization type water proofing paint layer of 1~2mm thickness, 350~450mm thickness water-proof concrete backplane level, cement mortar
Layer, 35~45mm thickness reinforced concrete floor, plastic film layers, 80~120mm styrofoam, plastic film layers, 80~120mm coagulation
Soil padding, compacting plain soil layer；The tank skin is from inside to outside successively by corrosion-inhibiting coating, 18~22mm thick polymer cement mortar
Protective layer, the cement based penetration crystallization type water proofing paint layer of 1~2mm thickness, 350~450mm thickness water-proof concrete wall layer, 80~
120mm styrofoam layer, exterior coating layer.
Preferably, the equally distributed multiple barricades of annular are equipped on the inside of tank skin.
Preferably, safety valve is equipped in tank deck.The safety valve is that pressure reaches upper safety limit and lower limit can be automatic
A kind of valve opened.
Preferably, gas-liquid separator is equipped in escape pipe.The gas-liquid separator be it is a kind of will moisture return tank body in
Portion, a kind of device that biogas is discharged from escape pipe.
Preferably, the circulating pump is screw pump, plunger pump or gear pump.
Using the method for utility model large-sized biogas anaerobic digestion reaction vessel production biogas, it includes the following steps:
1) it feeds: being fed by charging nozzle toward tank interior, during charging, open main agitator, persistently stir
Mixing to charging terminates；
2) it ferments: being heated by heating coil to the intracorporal raw material of tank, main agitator, pair are used in a fermentation period
Blender and liquid circulation stirring are stirred, and are persistently stirred 12~18 minutes at interval of 0.8~1.2 hour starting main agitator；
It is recycled pump liquid circulation stirring 8~12 minutes at interval of starting in 2.5~3.5 hours；At interval of three pairs of starting in 3.5~4.5 hours
Blender persistently stirs 8~12 minutes；The runing time of three of the above stirring does not repeat；The operating method of liquid circulation stirring is:
Valve before closing valve after pump and pumping, opens each liquid valve and returns liquid valve, start circulating pump, the intracorporal material of tank is from tank base stream
Out, it by respectively going out liquid branch pipe, going out liquid supervisor, pump front tube, circulating pump and returning liquid supervisor, is flowed into from top of the tank, realizes liquid circulation
Stirring.
3) it discharges: closing each liquid valve and time liquid valve, valve after opening valve before pumping and pumping starts circulating pump, the intracorporal object of tank
Material is connected to by fluid-through tube with linker, and the material in linker is discharged by pipe after pump front tube, circulating pump and pump.
Utility model has the advantages that
1) the utility model is provided with a main agitator and three secondary agitators, and main stirring wing is located at middle and lower part in tank body
Position, its effect are to be uniformly mixed lower part material in tank body, and heavy material is avoided to precipitate, and three secondary stirring wings are located at
Middle and upper part position in tank body, its effect are to be uniformly mixed tank body internal upper part material, and straw for avoiding specific gravity small etc. is raw
Raw material of substance, which is swum in, forms crust on liquid level.
2) the utility model is provided with a linker outside tank body, and in discharging, the intracorporal material of tank passes through fluid-through tube
Into linker, material is discharged by pipe after pump front tube, circulating pump and pump in linker, it can be to avoid right during discharging
The intracorporal material of tank causes to disturb, and has buffer function.
3) the utility model is provided with liquid circulation stirring, and liquid circulation stirring and discharging share same circulating pump, in tank body
Material from bottom be sucked out again from top of the tank injection, it can be achieved that mechanical stirring and liquid circulation stirring alternately, mixed effect
Good, low energy consumption, is conducive to material fermentation and generates biogas, high production efficiency.
4) the utility model is equipped with the equally distributed multiple barricades of annular on the inside of tank skin, under the barrier effect of barricade,
Reduce and swim in the problem of biomass material on biogas slurry upper layer follows the rotation of blender to move in a circle, it is mixed to improve stirring
Effect is closed, can to the maximum extent be mixed the biomass material for swimming in biogas slurry upper layer with liquid phase, so that ferment effect is improved,
The setting of barricade improves the support strength of circle tube tank body wall.
5) tank bottom of the utility model and tank skin all use multi-layer structure design, all include insulating layer and impervious barrier, structure
Rationally, sturdy and durable, heat insulation effect is good, water-tight, air tight.
Detailed description of the invention
Fig. 1 is the utility model large-sized biogas anaerobic digestion reaction vessel schematic perspective view；
Fig. 2 is the utility model large-sized biogas anaerobic digestion reaction vessel local cutting schematic perspective view；
Fig. 3 is the utility model large-sized biogas anaerobic digestion reaction vessel tank bottom and tank skin the schematic diagram of the section structure.
In figure: 1- tank bottom, 2- tank skin, 3- abhiseca, 4- heating coil, 5- escape pipe, 6- feed nozzle, 7- manhole, 8- master
Agitating shaft, the main stirring wing of 9-, 10- main agitator, 11- pair agitating shaft, 12- pair stirring wing, 13- secondary agitator, 14- linker,
15- snorkel, 16- fluid-through tube, 17- circulating pump, 18- pump front tube, valve before 19- is pumped, and 20- goes out liquid supervisor, and 21- liquid valve, 22- goes out
Liquid branch pipe, 23- are managed after pumping, valve after 24- pump, and 25- returns liquid valves, and 26- returns liquid supervisor, 27- safety valve, 28- gas-liquid separator, 29-
Barricade, 30- corrosion-inhibiting coating, 31- polymer cement mortar protective layer, 32- cement based penetration crystallization type water proofing paint layer, 33- are anti-
Water coagulation soil backplane level, 34- cement sand bed, 35- reinforced concrete floor, 36- plastic film layers, 37- styrofoam layer, 38- modeling
Expect film layer, 38- concrete cushion, 40- element soil layer, 41- corrosion-inhibiting coating, 42- polymer cement mortar protective layer, 43- cement
Based penetration crystallization type water proofing paint layer, 44- water-proof concrete wall layer, 45- styrofoam layer, 46- exterior coating layer.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Fig. 1 Fig. 2 and Fig. 3, a kind of large-sized biogas anaerobic digestion reaction vessel, it includes by tank bottom 1, tank skin 2 and filling
The circle tube tank body that top 3 is constituted, is equipped with equally distributed six barricades 29 of annular on the inside of tank skin, and the inside of circle tube tank body is high
Degree is 10 meters, and the inside diameter of circle tube tank body is 26.8 meters, the tank bottom 1 from inside to outside successively by corrosion-inhibiting coating 30,
20mm thick polymer cement mortar protective course 31, the cement based penetration crystallization type water proofing paint layer 32 of 1.5mm thickness, 400mm thickness are anti-
Water coagulation soil backplane level 33, cement sand bed 34,40mm thickness reinforced concrete floor 35,0.2mm thickness plastic film layers 36,100mm
Styrofoam 37,0.2mm thickness plastic film layers 38,100mm concrete cushion 39, the plain soil layer 40 tamped；The tank skin 2 is from interior
To successively being prevented outside by the cement-base infiltration crystallization type of corrosion-inhibiting coating 41,20mm thick polymer cement mortar protective course 42,1.5mm thickness
Water paint layer 43,400mm thickness water-proof concrete wall layer 44,100mm styrofoam layer 45, exterior coating layer 46.Tank skin in tank body
Lower part is equipped with annular-heating coil pipe 4, is equipped with the escape pipe 5 of connection tank interior in tank deck 3, gas-liquid separation is equipped on escape pipe
Device 28 is equipped with manhole 7, safety valve 27 in tank deck 3, is equipped with charging nozzle 6 in tank skin 2, is equipped with one in the center of abhiseca 3
Main agitator 10 including main agitating shaft 8 and main stirring wing 9, the lower end of main agitating shaft 8 extend into tank body middle and lower part position away from
From 0.7 meter of tank bottom, main stirring wing 9 is installed in the lower end of main agitating shaft, and the single-blade length of main stirring wing is 3.5 meters, in 3 annular of abhiseca
Distribution setting three includes the secondary agitator 13 of secondary agitating shaft 11 and secondary stirring wing 12, and secondary 11 lower end of agitating shaft is extend into tank body
Secondary stirring wing 12 is installed in 1.4 meters of middle and upper part positional distance tank deck, the lower end of secondary agitating shaft 11, and the single-blade length of secondary stirring wing is
1.2 rice；Upright linker 14 is equipped with outside tank body, 14 top of linker is equipped with the snorkel of ullage in connection tank body
15 and connection tank body in liquid level lower part fluid-through tube 16, outside tank body be equipped with screw circulating pump 17,17 water inlet of circulating pump
By pump front tube 18 and before pumping, valve 19 connects 14 lower part of device, the pump front tube 18 before 17 water inlet of circulating pump and pump between valve 19
By go out liquid supervisor 20 connection three from tank skin 2 extend into tank base be equipped with liquid valve 21 go out liquid branch pipe 22, circulating pump
17 water outlets connect pipe 23 after pump, and pipe 23 is equipped with valve 24 after pump, the pump after 17 water outlet of circulating pump and pump between valve 24 after pump
Pipe 23 is responsible for 26 from the liquid that returns that tank deck 3 extend into tank body top by returning the connection of liquid valve 25 afterwards.
The method of the large-sized biogas anaerobic digestion reaction vessel production biogas of specific embodiment of the present invention, it includes such as
Lower step:
1) it feeds: being fed by charging nozzle 6 toward tank interior, during charging, open main agitator 10, continue
Stirring to charging terminates；
2) it ferments: being heated by heating coil 4 to the intracorporal raw material of tank, main agitator is used in a fermentation period
10, secondary agitator 13 and liquid circulation stirring are stirred；It is persistently stirred 20 minutes at interval of 1 hour starting main agitator；Every
It is recycled pump liquid circulation stirring 10 minutes every starting in 3 hours；It is persistently stirred 10 minutes at interval of three secondary agitators of starting in 4 hours；
The runing time of three of the above stirring does not repeat；
The operating method of liquid circulation stirring is: closing valve 24 and the preceding valve 19 of pump after pump, opens three liquid valves 21 and return liquid
Valve 25 starts circulating pump 17, and the intracorporal material of tank is flowed out from tank base, goes out liquid branch pipe 22 by three, goes out liquid supervisor 20, pump
Front tube 18, circulating pump 17 and time liquid supervisor 26, flow into from top of the tank, realize liquid circulation stirring.
3) it discharges: closing three liquid valves 21 and time liquid valve 25, valve 24 after opening valve 19 before pumping and pumping starts circulating pump
17, the intracorporal material of tank is connected to by fluid-through tube 16 with linker 14, and the material in linker 14 passes through pump front tube 18, circulating pump
24 are discharged with pipe 23 after pump.
Finally it should be noted that the above specific embodiment is only to illustrate the technical solution of the utility model, rather than
Limitation to scope of protection of the utility model, the letter that those skilled in the art carry out the technical solution of the utility model
Single modification or equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (7)
1. a kind of large-sized biogas anaerobic digestion reaction vessel, it includes the circle tube tank body being made of tank bottom, tank skin and abhiseca, tank body
Interior tank skin lower part is equipped with annular-heating coil pipe, is equipped with the escape pipe of connection tank interior in tank deck, is equipped in tank deck and/or tank skin
Nozzle is fed, is equipped with manhole in tank deck and/or tank skin；It is characterized by: being equipped with one in the center of abhiseca includes that master stirs
The main agitator of axis and main stirring wing is mixed, the lower end of main agitating shaft extend into middle and lower part position in tank body, the lower end of main agitating shaft
Main stirring wing is installed；In abhiseca annular spread, three secondary agitators including secondary agitating shaft and secondary stirring wing, secondary agitating shaft are set
Lower end extend into middle and upper part position in tank body, and secondary stirring wing is installed in the lower end of secondary agitating shaft；Upright company is equipped with outside tank body
Logical device, linker top are equipped with the fluid-through tube of the snorkel of ullage and liquid level lower part in connection tank body in connection tank body,
Circulating pump is equipped with outside tank body, valve connects device lower part, circulating pump water inlet to circulating pump water inlet by pump front tube and before pumping
Multiple going out equipped with liquid valve that tank base is extend into from tank skin are connected by going out liquid supervisor with the pump front tube pumped between preceding valve
Liquid branch pipe, the connection of circulating pump water outlet are managed after pumping, and pipe is equipped with valve after pump, the pump after circulating pump water outlet and pump between valve after pump
Pipe is responsible for by returning the connection of liquid valve from the liquid that returns that tank deck extend into tank body top afterwards.
2. large-sized biogas anaerobic digestion reaction vessel according to claim 1, it is characterised in that: the inside of circle tube tank body is high
Degree is 8~12 meters, and the inside diameter of circle tube tank body is 22~28 meters, and the lower end of main agitating shaft is 0.5~1 meter apart from tank bottom,
Secondary agitating shaft lower end is 1.2~1.5 meters apart from tank deck, and the single-blade length of main stirring wing is 3~4 meters, and the single-blade of secondary stirring wing is long
Degree is 1~1.5 meter.
3. large-sized biogas anaerobic digestion reaction vessel according to claim 2, it is characterised in that: the tank bottom is from inside to outside
Successively by corrosion-inhibiting coating, 18~22mm thick polymer cement mortar protective course, 1~2mm thickness cement-base infiltration crystallization type water-proof
Dope layer, 350~450mm thickness water-proof concrete backplane level, cement sand bed, 35~45mm thickness reinforced concrete floor, plastics are thin
Film layer, 80~120mm styrofoam, plastic film layers, 80~120mm concrete cushion, compacting plain soil layer；The tank skin from
It is interior to it is outer successively by corrosion-inhibiting coating, 18~22mm thick polymer cement mortar protective course, 1~2mm thickness cement-base infiltration crystallization
Type waterproof coating layer, 350~450mm thickness water-proof concrete wall layer, 80~120mm styrofoam layer, exterior coating layer.
4. large-sized biogas anaerobic digestion reaction vessel according to claim 3, it is characterised in that: be equipped with annular on the inside of tank skin
Equally distributed multiple barricades.
5. large-sized biogas anaerobic digestion reaction vessel according to claim 1, it is characterised in that: be equipped with safety valve in tank deck.
6. large-sized biogas anaerobic digestion reaction vessel according to claim 1, it is characterised in that: in escape pipe equipped with gas-liquid point
From device.
7. large-sized biogas anaerobic digestion reaction vessel according to claim 1, it is characterised in that: the circulating pump is screw rod
Pump, plunger pump or gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822054832.8U CN209276514U (en) | 2018-12-08 | 2018-12-08 | A kind of large-sized biogas anaerobic digestion reaction vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822054832.8U CN209276514U (en) | 2018-12-08 | 2018-12-08 | A kind of large-sized biogas anaerobic digestion reaction vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209276514U true CN209276514U (en) | 2019-08-20 |
Family
ID=67610498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822054832.8U Active CN209276514U (en) | 2018-12-08 | 2018-12-08 | A kind of large-sized biogas anaerobic digestion reaction vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209276514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337801A (en) * | 2018-12-08 | 2019-02-15 | 内蒙古弘达生物环保科技有限责任公司 | A kind of large-sized biogas anaerobic digestion reaction vessel and the method for producing biogas |
-
2018
- 2018-12-08 CN CN201822054832.8U patent/CN209276514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337801A (en) * | 2018-12-08 | 2019-02-15 | 内蒙古弘达生物环保科技有限责任公司 | A kind of large-sized biogas anaerobic digestion reaction vessel and the method for producing biogas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109337801A (en) | A kind of large-sized biogas anaerobic digestion reaction vessel and the method for producing biogas | |
| CN201801518U (en) | Dry method anaerobic fermentation reactor capable of automatically moving sedimentary materials | |
| CN102242058B (en) | Anaerobic fermentation system | |
| CN204702749U (en) | Horizontal type anaerobic fermentation reactor | |
| CN203904338U (en) | Double-path reflux anaerobic reaction system and reactor for producing biogas by using straw | |
| CN207290501U (en) | A kind of efficient brickmaking mixing stirring device for preventing stirring whirlpool | |
| CN112625873A (en) | Two-phase dry anaerobic digestion fermentation system | |
| CN104073431B (en) | A kind of methane-generating pit of new structure | |
| CN209276514U (en) | A kind of large-sized biogas anaerobic digestion reaction vessel | |
| CN105624033A (en) | Organic refuse dry anaerobic digestion device | |
| CN107418877A (en) | A kind of Novel anaerobic fermentation tank and up-flow full-mixing type anaerobic fermentation system | |
| CN205501313U (en) | Organic rubbish dry -type anaerobic fermentation device | |
| CN104694375B (en) | A kind of step biogas fermentation device of dry and wet two and method | |
| CN205223239U (en) | Corrosion resistant biogas fermentation device of high strength | |
| CN205874399U (en) | Large -scale methane system based on boiler room carries out anaerobic digestion | |
| CN208684942U (en) | A kind of air storage bell-type marsh gas fermentation pool | |
| CN212199047U (en) | Novel liquid bacterial manure fermentation equipment | |
| CN209098673U (en) | A kind of dry and wet two-stage anaerobic installation for fermenting for waste dish and agricultural crop straw | |
| CN201416006Y (en) | Steel mesh cement methane tank | |
| CN202072692U (en) | Anaerobic fermentation system | |
| CN206828523U (en) | A kind of big-and-middle-sized marsh-gas fermentation tank | |
| CN208964941U (en) | A kind of buried mesophilic digestion methane-generating pit | |
| CN208215963U (en) | A kind of plastic wood sheet extruder feeding device | |
| CN206902141U (en) | The waste material waste heat temperature-raising marsh pool system discharged using methane-generating pit | |
| CN106047671A (en) | Integrated biogas production device with circulating heating function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |