CN110255721A - A kind of unpowered biogas mixing plant - Google Patents
A kind of unpowered biogas mixing plant Download PDFInfo
- Publication number
- CN110255721A CN110255721A CN201910634732.9A CN201910634732A CN110255721A CN 110255721 A CN110255721 A CN 110255721A CN 201910634732 A CN201910634732 A CN 201910634732A CN 110255721 A CN110255721 A CN 110255721A
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- biogas
- tank body
- unpowered
- rectangle
- mixing plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/406—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The present invention relates to a kind of unpowered biogas mixing plants, including rectangle tank body and biogas return pipe, this is unpowered, and biogas mixing plant is located in anaerobic reation pool.Rectangle tank body is equipped with deflector hole at least one side, and biogas return pipe is connected with rectangle tank body, since biogas return pipe is equipped with cooling gas check valve, can form vacuum area being located in underwater rectangular tank body.After being passed through biogas into rectangular tank body by biogas return pipe, biogas escapes into anaerobic reation pool from deflector hole, has nature disturbance and stirring action, can prevent anaerobic bacteria from depositing, and improve the activity of anaerobe.After being equipped with the unpowered biogas mixing plant in anaerobic reaction system, it will form cyclic air current type mixing effect, substrate promoted to come into full contact with microorganism, the digestion power of anaerobic reaction system is improved, to realize anaerobic reaction system high efficiency stable operation.
Description
Technical field
The present invention relates to environmental protection machinery technical fields, and in particular to a kind of unpowered biogas mixing plant.
Background technique
In domestic large size anaerobic fermentation system, it is general select continuous-stirring reactor system (CSTR) anaerobic baffle plate it is anti-
Answer device (ABR) the tank body equipments such as expanded granular sludge bed (EGSB), above-mentioned tank body equipment is bulky, in order to promote in system
Substrate is sufficiently combined with microorganism, improve anaerobic fermentation efficiency, need the mixing plant that Aided design is different, as vertical mixing,
Side stirring, and the corresponding circulatory system etc..Above-mentioned mixing plant, which has, invests larger, the unstable disadvantage for the treatment of effect.And
Domestic general large-scale mixing plant relies on import or joint channel to buy substantially, and the service life of domestic mixing plant is shorter, warp
It often goes wrong, can not effectively use, and cost and maintenance rate are higher.To the investment of anaerobic fermentation system, operating cost, dimension
It repairs, system stability, degradation rate etc. cause large effect.
Therefore it is directed to middle-size and small-size anaerobic fermentation system, needs to replace mechanical stirring equipment with new mixing plant, to mention
The binding ability of substrate and microorganism in high anaerobic fermentation system.New mixing plant should have investment low, protect without repairing
It supports, the advantages such as operating cost is low.
In consideration of it, the present invention is specifically proposed.
Summary of the invention
The first object of the present invention is to provide a kind of unpowered biogas mixing plant.
The second object of the present invention is to provide the anaerobic fermentation system including the unpowered biogas mixing plant.
To achieve the above object, technical scheme is as follows:
The present invention relates to a kind of unpowered biogas mixing plants, including rectangle tank body and biogas return pipe, wherein
The rectangle tank body constitutes enclosure space by top surface, bottom surface and four sides, is equipped with and leads at least one side
Discharge orifice,
One end of the biogas return pipe is fixedly connected with the top surface of the rectangle tank body, and the biogas return pipe and institute
It states rectangle tank body to be connected, for being passed through biogas into the rectangular tank body.
Preferably, at least one side of the rectangle tank body is provided with multiple deflector holes, two neighboring deflector hole it
Between distance be 50~100cm.The height ratio of the deflector hole and the rectangle tank body is (25~35): 100.
Preferably, the deflector hole is rectangle, and edge extends to form diversion trench, the water conservancy diversion into the enclosure space
The endcapped of slot, the top of the diversion trench are connected with the enclosure space of the rectangle tank body.
Preferably, in the rectangle that is projected as of rectangle tank body bottom surface, the diversion trench has successively to be connected the diversion trench
The first joint face, the second joint face and the third joint face connect, first joint face and third joint face with the rectangle
The side of tank body is connected, and second joint face constitutes the end of the diversion trench, second joint face and the water conservancy diversion
The side of rectangle tank body where hole is parallel, and first joint face is parallel with the third joint face.
Preferably, the diversion trench is projected as semicircle or half elliptic, the water conservancy diversion in rectangle tank body bottom surface
Slot has the 4th joint face, and the 4th joint face is arc and has there are two open end, two open ends respectively with the square
The side of shape tank body is connected, and the circular arc portion of the 4th joint face constitutes the end of the diversion trench.
Preferably, the diversion trench and the rectangle tank body have public bottom surface.
It preferably, further include cooling gas check valve, the cooling gas check valve is set on the biogas return pipe, is acted on to make
Biogas is only flowed to the direction for entering the rectangle tank body.
The invention further relates to a kind of anaerobic fermentation systems, the system comprises above-mentioned unpowered biogas mixing plant and detest
Oxygen reaction tank, the unpowered biogas mixing plant are located in the anaerobic reation pool.
Preferably, the anaerobic reation pool is full-closed structure, and multiple nothings are set side by side in the anaerobic reation pool
Power biogas mixing plant.
Beneficial effects of the present invention:
The present invention relates to a kind of unpowered biogas mixing plant, including rectangle tank body and biogas return pipe, this is unpowered natural pond
Gas mixing mixing equipment is located in anaerobic reation pool.Rectangle tank body is equipped with deflector hole, biogas return pipe and square at least one side
Shape tank body is connected, and since biogas return pipe is equipped with cooling gas check valve, can be formed very being located in underwater rectangular tank body
Dead zone.After being passed through biogas into rectangular tank body by biogas return pipe, biogas escapes into anaerobic reation pool from deflector hole, tool
There are nature disturbance and stirring action, can prevent anaerobic bacteria from depositing, and improve the activity of anaerobe.In anaerobic reaction system
After being equipped with the unpowered biogas mixing plant in system, it will form cyclic air current type mixing effect, promote substrate abundant with microorganism
Contact improves the digestion power of anaerobic reaction system, to realize anaerobic reaction system high efficiency stable operation.Since the equipment is adopted
Stirring is realized with the marsh gas flow in anaerobic reaction system, and Maintenance free mechanical stirring equipment can reduce equipment investment, avoid machine
Tool failure occurs.
Detailed description of the invention
Fig. 1 is the overall structure diagram of unpowered biogas mixing plant.
Fig. 2 is the perspective view of unpowered biogas mixing plant.
Fig. 3 be in Fig. 2 A to sectional view.
Fig. 4 is diversion trench in rectangle tank body bottom surface when being projected as semicircle or half elliptic, the 4th joint face and rectangle
The structural schematic diagram of tank body connection relationship.
Fig. 5 is the structural schematic diagram of anaerobic fermentation system.
Wherein, the unpowered biogas mixing plant of 1-；
11- rectangle tank body；
110- deflector hole；
111- diversion trench；
The first joint face of 1111-；The second joint face of 1112-；
1113- third joint face；The 4th joint face of 1114-；
12- biogas return pipe；
13- cooling gas check valve；
2- anaerobic reation pool；
21- water inlet supervisor；
211- water distributing pore.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The present embodiments relate to a kind of unpowered biogas mixing plants 1, as shown in Figure 1, the equipment 1 includes rectangle tank body
11 and biogas return pipe 12.Wherein, rectangle tank body 11 constitutes enclosure space by top surface, bottom surface and four sides, at least one
Side is equipped with deflector hole 110.One end of biogas return pipe 12 is fixedly connected with the top surface of rectangle tank body 11, the other end and outside
Equipment connection, biogas return pipe 12 is connected with rectangle tank body 11, for being passed through biogas into rectangle tank body 11.
In actual use, which is placed in anaerobic reation pool or anaerobic reactor.With anaerobism
It for reaction tank 2, fills the water before being passed through biogas into anaerobic reation pool 2, stops when deflector hole 110 is partially submerged in the water surface or less
Only fill the water.Biogas is passed through into rectangle tank body 11 by biogas return pipe 12 at this time, when biogas is located at water full of rectangle tank body 11
Behind space above face, extra biogas escapes to form bubble from the space that deflector hole 110 is located at the water surface or more, and is rising
The stirring to the liquid material in anaerobic reation pool 2 is realized in journey.Equipment investment is saved compared with mechanical stirring, and a large amount of
Reduce the noise generated due to mechanical stirring.
In one embodiment of the invention, natural pond is escaped in order to increase in the deflector hole 110 never submerged in the unit time
The amount of gas, and the contact area of evolution biogas and liquid material is improved, it can be set at least one side of rectangle tank body 11
Set multiple deflector holes 110.As shown in Figure 1, deflector hole 110, deflector hole can be arranged in the biggish side of one or two area
110 quantity and position can be adjusted according to device overall dimensions.Quantity such as deflector hole 110 is excessive, adjacent guide hole
The distance between 110 is too small, then increases equipment manufacturing costs, while reducing the integrally-built compactedness of rectangle tank body 11, equipment
It is easily damaged；Quantity such as deflector hole 110 is very few, and the distance between adjacent guide hole 110 is excessive, then by deflector hole 110 to
Outlet goes out bubble formation stirring and disturbance effect is unobvious, and biogas degradation rate is lower.
For example, the height of rectangle tank body 11 is designed as 50cm, two neighboring deflector hole 110 by one embodiment of the present of invention
The distance between can be 50~100cm, there is preferable stirring and disturbance effect at this time, while being unlikely in rectangle tank body 11
Side open up excessive deflector hole 110.In addition, the area of deflector hole 110 is excessive or too small, also have for unpowered agitation effect
There is similar influence.The height ratio of deflector hole 110 and rectangle tank body 11 is designed as (25~35) by applicant: 100, it can take into account
The robustness of mixing effect and rectangle tank body 11.
Deflector hole 110 can be designed as arbitrary shape, such as rectangle, circle, triangle, polygon etc..For processing side
Just the considerations of, also for convenient for measurement and estimate that the water filling height into anaerobic reation pool 2, one embodiment of the present of invention will be led
Discharge orifice 110 is designed as rectangle.
Further, for the deflector hole of rectangle 110, edge extends to form diversion trench 111 into enclosure space.Water conservancy diversion
The top of the endcapped of slot 111, diversion trench 111 is connected with the enclosure space inside rectangle tank body 11.It can from Fig. 1 and Fig. 2
Know, the depth that deflector hole 110 extends internally is less than the width of rectangle tank body 11.The reason of designing in this way is as follows: when to anaerobism
When filling the water in reaction tank 2, water level rises from bottom of pond, progresses between anaerobic reation pool 2 and unpowered biogas mixing plant 1
Region.Also enter diversion trench 111 while water enters deflector hole 110, when water level reaches 111 top of diversion trench, due to rectangle
Have inside tank body 11 gas (air or biogas), therefore 11 air pressure inside of rectangle tank body is greater than hydraulic pressure in anaerobic reation pool 2.Though
The top of right diversion trench 111 is connected with the enclosure space of rectangle tank body 11, water can not continue through the top of diversion trench 111 and
Into in rectangle tank body 11.Water level in anaerobic reation pool 2 continues to rise, until transmission properties of submerged rectangular tank body 11, in this way in rectangular tank
Continuous vacuum area, i.e. light shaded areas in Fig. 2 are formed in body 11.Can be filled at this time by 12 part of biogas return pipe or
It all floods, biogas is then passed through into rectangle tank body 11 by biogas return pipe 12.When biogas is full of rectangle tank body 11 and square
When pressure in shape tank body 11 continues to increase, extra biogas escapes to form bubble from the top of diversion trench 111, and is rising
The stirring to the liquid material in anaerobic reation pool 2 is realized in journey.
It can be on the water surface continues with directly compared with 11 side of rectangle tank body opens up deflector hole 110, adding diversion trench 111
After rising and submerging deflector hole 110, the vacuum state in rectangle tank body 11 is still maintained, does not influence biogas above diversion trench 111
Evolution.More water can be added into anaerobic reation pool 2 in this way, increase the contact area of biogas and liquid material, further
Improve biogas degradation efficiency.
In one particular embodiment of the present invention, projection of the diversion trench 111 in 11 bottom surface of rectangle tank body can be rectangle.
As shown in figures 1 and 3.It can be appreciated that diversion trench 111 along A to section be rectangle, as shown in Figures 2 and 3.With rectangle
The diversion trench 111 of section or projection has sequentially connected first joint face 1111, the second joint face 1112 and third joint face
1113, the unclosed top surface of diversion trench 111 is opening-wide state.As shown in figure 3, the first joint face 1111 and third joint face 1113
It is connected with the side of rectangle tank body 11, the second joint face 1112 constitutes the end of diversion trench 111.Second joint face 1112 with
The side of rectangle tank body 11 where deflector hole 110 is parallel, and the first joint face 1111 is parallel with third joint face 1113.
In one particular embodiment of the present invention, projection of the diversion trench 111 in 11 bottom surface of rectangle tank body may be half
Round or half elliptic.As shown in figure 4, diversion trench 111 has the 4th joint face 1114, the 4th joint face 1114 is arc and has
There are two open ends, respectively open end c and open end d.Two open ends are connected with the side of rectangle tank body 11 respectively, the
The circular arc portion of four joint faces 1114 constitutes the end of diversion trench 111.The top surface of the diversion trench 111 is similarly unclosed and opens wide
State.
In one embodiment of the invention, diversion trench 111 and rectangle tank body 11 have public bottom surface.If diversion trench
111 are not total to bottom with rectangle tank body 11, then shorten lifting height of the bubble in anaerobic reation pool 2, while also needing for water conservancy diversion
Slot 111 individually processes bottom surface, improves the manufacture difficulty of equipment.
In one embodiment of the invention, which further includes cooling gas check valve 13.Gas list
It is set on biogas return pipe 12, is acted on to flow biogas only to the direction for entering rectangle tank body 11 to valve 13.Common gas
Body check valve 13 is also known as air route membrane one-way valve, is made of valve body, valve deck and diaphragm.It is logical that one end of valve body is provided with center
The connector in hole, the other end are then equipped with threaded hole and are connected with valve body.The diaphragm more than a piece of or a piece of is placed in valve body cavity.?
Valve deck is equipped with central through hole, and one end is connector, and the other end protrudes into valve body cavity and in its end point equipped with one or more
Air channel.Unidirectional effect is realized under stream pressure effect by diaphragm.
The invention further relates to a kind of anaerobic fermentation system, which includes that above-mentioned unpowered biogas stirring is set
Standby 1 and anaerobic reation pool 2, unpowered biogas mixing plant 1 are located in anaerobic reation pool 2.As shown in figure 5, anaerobic reation pool 2 is
A unpowered biogas mixing plant 1 can be separately provided in anaerobic reation pool 2, can also be set side by side with for full-closed structure
Multiple unpowered biogas mixing plants 1.It is equipped with water inlet supervisor 21 in 2 bottom of anaerobic reation pool, is provided with multiple water distributing pores thereon
211, for intaking into anaerobic reation pool 2.
In one embodiment of the invention, it is 400cm that rectangle tank body 11 is h1 long, and wide h2 is 50cm, and high h3+h4 is
50cm.Deflector hole 110 there are four setting a biggish side of area, h3 high deflector hole 110 is 20cm, and deflector hole 110 is 20
The square of × 20cm.The depth of diversion trench 111 is 20cm, and biogas return pipe 12 is 4~5m high, and the water level of anaerobic reation pool 2 is deep
Degree h5 is 5~8m.
In conjunction with Fig. 5, the working principle of the anaerobic fermentation system is as follows: filling the water into anaerobic reation pool 2, until the water surface reaches b
Until line.There is continuous vacuum area in rectangle tank body 11.Extraneous biogas is entered in rectangle tank body 11 by biogas return pipe 12,
When pressure of the biogas full of rectangle tank body 11 and in rectangle tank body 11 continues to increase, extra biogas is from the top of diversion trench 111
Portion escapes to form bubble, and it is arrow a direction that biogas, which escapes direction,.And it realizes in uphill process in anaerobic reation pool 2
Liquid material stirring.
Present invention is mainly applied to middle-size and small-size anaerobic fermentation systems, may replace mechanical stirring equipment, to improve anaerobism bottom
The abundant combination of object and microorganism.The length dimension and water conservancy diversion number of perforations of the equipment can be processed as needed, be not necessarily to
Using blower, and equipment is designed by vacuum principle, is not in blockage problem.Therefore have and invest low, long service life, tool
Have without maintaining, the advantages such as operating cost is low.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of unpowered biogas mixing plant, which is characterized in that including rectangle tank body and biogas return pipe, wherein
The rectangle tank body constitutes enclosure space by top surface, bottom surface and four sides, and deflector hole is equipped at least one side,
One end of the biogas return pipe is fixedly connected with the top surface of the rectangle tank body, and the biogas return pipe and the square
Shape tank body is connected, for being passed through biogas into the rectangular tank body.
2. unpowered biogas mixing plant according to claim 1, which is characterized in that at least the one of the rectangle tank body
A side is provided with multiple deflector holes, and the distance between two neighboring deflector hole is 50~100cm.
3. unpowered biogas mixing plant according to claim 1, which is characterized in that the deflector hole and the rectangular tank
The height ratio of body is (25~35): 100.
4. unpowered biogas mixing plant according to claim 1, which is characterized in that the deflector hole is rectangle, side
Edge extends to form diversion trench into the enclosure space, the endcapped of the diversion trench, the top of the diversion trench with it is described
The enclosure space of rectangle tank body is connected.
5. unpowered biogas mixing plant according to claim 4, which is characterized in that the diversion trench is in the rectangular tank
Body bottom surface is projected as rectangle, and the diversion trench has sequentially connected first joint face, the second joint face and third joint face,
First joint face and third joint face are connected with the side of the rectangle tank body, described in the second joint face composition
The end of diversion trench, second joint face is parallel with the side of rectangle tank body where the deflector hole, first connection
Face is parallel with the third joint face.
6. unpowered biogas mixing plant according to claim 4, which is characterized in that the diversion trench is in the rectangular tank
Body bottom surface is projected as semicircle or half elliptic, and the diversion trench has the 4th joint face, and the 4th joint face is arc
And have there are two open end, two open ends are connected with the side of the rectangle tank body respectively, the circle of the 4th joint face
Arc portion point constitutes the end of the diversion trench.
7. unpowered biogas mixing plant according to claim 4, which is characterized in that the diversion trench and the rectangular tank
Body has public bottom surface.
8. unpowered biogas mixing plant according to any one of claims 1 to 7, which is characterized in that further include gas list
To valve, the cooling gas check valve is set on the biogas return pipe, is acted on to make biogas only to the entrance rectangle tank body
Direction flowing.
9. a kind of anaerobic fermentation system, which is characterized in that it is described in any item unpowered that the system comprises claims 1 to 8
Biogas mixing plant and anaerobic reation pool, the unpowered biogas mixing plant are located in the anaerobic reation pool.
10. anaerobic fermentation system according to claim 9, which is characterized in that the anaerobic reation pool is full-closed structure,
Multiple unpowered biogas mixing plants are set side by side in the anaerobic reation pool.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910634732.9A CN110255721A (en) | 2019-07-15 | 2019-07-15 | A kind of unpowered biogas mixing plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910634732.9A CN110255721A (en) | 2019-07-15 | 2019-07-15 | A kind of unpowered biogas mixing plant |
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| CN210559625U (en) * | 2019-07-15 | 2020-05-19 | 内蒙古华蒙科创环保科技工程有限公司 | Unpowered biogas stirring equipment and anaerobic fermentation system comprising same |
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2019
- 2019-07-15 CN CN201910634732.9A patent/CN110255721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201942554U (en) * | 2010-12-17 | 2011-08-24 | 浙江泰来环保科技有限公司 | Aeration device |
| US20160348054A1 (en) * | 2015-07-22 | 2016-12-01 | Bioland Environmental Technologies Group Corp. Ltd. (Beijing Branch) | Biogas stirring device for anaerobic tank |
| CN108557996A (en) * | 2018-03-07 | 2018-09-21 | 苏州科特环保股份有限公司 | A kind of anaerobic reaction system with biogas air supporting, agitating function |
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