CN206720843U - A kind of anaerobic reactor and its interior circulating jet system - Google Patents
A kind of anaerobic reactor and its interior circulating jet system Download PDFInfo
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- CN206720843U CN206720843U CN201621356808.4U CN201621356808U CN206720843U CN 206720843 U CN206720843 U CN 206720843U CN 201621356808 U CN201621356808 U CN 201621356808U CN 206720843 U CN206720843 U CN 206720843U
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Abstract
The utility model discloses a kind of anaerobic reactor and its interior circulating jet system, belong to field of sewage treatment equipment, to solve the defects of traditional EGSB exteenal refluxs are present.It includes backflow water pipe, air intake duct, ejector and backflow water pump, and described backflow water pump is on the outside of described anaerobic reactor；Backflow water pipe is connected with backflow water pump, and backflow water pump is connected with ejector, and the outlet rear end of ejector connects with air intake duct.The utility model passes through interior circulating jet system, by in the biogas suction ejector of anaerobic reactor gas-producing area, mixed together with the water of backflow, then come out in anaerobic reaction area base injcction, increase the stirring intensity of inside reactor, ensure fully contacting between granule sludge and waste water, strengthen mass transport process, it is too high so can effectively to solve the three phase separator load that traditional EGSB exteenal refluxs are brought, the phenomenon of sludge loss occurs.
Description
Technical field
The utility model belongs to sewage treatment equipment field, more specifically to a kind of anaerobic reactor and its interior follows
Ring fluidic system.
Background technology
The industries such as food, biology, chemical industry discharge most of waste water and belong to high concentrated organic wastewater, utilize the thing of routine
Change, biochemical treatment difficulty reach processing intent, and commonly using anaerobic reactor in industry is handled.Anaerobic fluidized bed reactor is a kind of
Efficient biomembrance process processing method, it using the material of the high surface areas such as sand is carrier that it, which is, and anaerobe is with form membrane knot
On the surface of sand or other carriers, into flow regime in sewage, microorganism carries out Contact-sorption with the organic matter in sewage and entered
And decomposed, so as to reach the purpose of processing.
Upflow anaerobic sludge blanket reactor (UASB reactors) is a kind of early stage conventional anaerobic reactor.Sewage is under
And it is upper pass through reactor, reactor bottom has a high concentration, a Sludge Bed of high activity, the majority of organic pollutants in sewage
Here methane and carbon dioxide is degraded to by anaerobic fermentation.Because of the agitation of current and bubble, there is a dirt on Sludge Bed
Mud superposed layer.Reactor top has provided with three phase separator, and to separating digesting gas, digestive juice and mud granule, digestion gas is certainly
Reactor head is exported, and mud granule slides the Sludge Bed for being settled down to reactor bottom automatically, and digestive juice is discharged from settling section.
CGSB (EGSB reactors) is on the basis of UASB reactors, increases special water outlet
Return-flow system, the liquid in reactor have a higher upflow velocity, and effluent recycling can dilute sewage concentration.In reactor
Rising sludge be in swelling state, be advantageous to the decomposition of organic matter, improve the reaction rate of anaerobic reactor and organic negative
Lotus ability, but the clear water after processing is back to reactor bottom by existing common external reflux system, reduces reactor
Operating efficiency, cause the waste of resource, because the upflow velocity of liquid increases, the load of three phase separator also accordingly increases,
Easily there is the phenomenon of sludge loss.
In recent years, as the aggravation of worldwide energy crisis, people are organic to being handled using anaerobic digestion process
The research of waste water is strengthened, and occurs a collection of handling process for being referred to as Modern High-Speed anaerobic digestion reaction vessel in succession.Wherein
For EGSB as an improvement the UASB reactors of type, it is fluidization of solid technology in the specific of organic wastewater biological treatment field
Using.EGSB uses effluent recycling technology, and the liquid in reactor has higher upflow velocity, and effluent recycling can dilute
The concentration of sulfate and other poisonous and harmful substances, it can fully be contacted between sewage and microorganism, strengthen mass transfer effect, can born
Larger organic loading, effectively avoid the generation of inside reactor dead angle and short stream.It is low dense using EGSB reactor for treatment low temperature
Spend sewage and high concentration or poisonous, indegradable industrial effluent, COD clearances are higher, have other anaerobic reactors incomparable
Advantage.
Chinese utility model patent, publication number：CN201354333Y, publication date：On December 2nd, 2009, disclose one kind
Anaerobic granular sludge reactor, include water distribution water dispensing apparatus, reaction zone, settling zone, three-phase separation area, discharging device and spoil disposal
Device, described three-phase separation area are arranged on above reaction zone, and external circulating system is provided with the lower section of three-phase separation area.The program
Outer circulation is carried out using the diversion of three phase separator bottom, greatly reduces the hydraulic load of three phase separator, ensure that gas-
Gu the separating effect of liquid-good, meanwhile, advanced control system is additionally used, when wastewater flow mode changes, passes through tune
Whole phegma internal circulating load, ensure that total inflow is constant, the upflow velocity of reactor is maintained a certain steady state value, muddy water mixing is equal
It is even, it ensure that EGSB stable operation.But in the program, only lead to the water-carrying capacity reduced by three phase separator, can not
Ensure that waste water can be handled sufficiently in uphill process, the sludge loading of three phase separator or bigger easily goes out
Mud is now run, so also needing further perfect.
Chinese utility model patent, publication number：CN201660493U, publication date：On December 1st, 2010, disclose one kind
Modified expanded granular sludge bed anaerobic reactor, its structure, which is improved, to be had：Three phase separator, batch (-type) cloth water tank, recirculation water collection
Suction pipe and dross removing device, its principal character：First, three phase separator mud chamber section expands 1.8 than main reactor section
Times, it is bigger than upper guide shell outlet 8 times, create good condition for three phase separation.Second, waterpower is moved by siphon mode
It can gather and carry out interval water distribution, heavy mud up-flow kinetic energy is greatly enhanced.Third, recirculation water collection suction pipe is set up, will by means of booster pump
Muddy water stream in EGSB bottoms, forms turn current with tangential track spray in EGSB, and is interacted with interval spray current,
On the premise of flow velocity is not lifted, sewage glide path in reactor is extended, improves the degradation rate to pollutant.Should
Scheme increases the sectional area in the region, to increase the up-flow kinetic energy of heavy mud, employs interval cloth to mitigate the load of three-phase device
Water, cause whole reactor excessively complicated, be not suitable for being widely popularized.
The content of the invention
1st, to solve the problems, such as
The ineffective problem of reactor is caused for existing EGSB reactors external reflux, the utility model provides
A kind of anaerobic reactor and its interior circulating jet system.It can improve reactor with the stirring intensity inside enhancing reactor
Mass-transfer efficiency.
2nd, technical scheme
To solve the above problems, the utility model adopts the following technical scheme that.
A kind of interior circulating jet system of anaerobic reactor, including backflow water pipe, air intake duct, ejector and backflow water pump institute
The reflux pump stated is on the outside of described anaerobic reactor；Backflow water pipe is connected with backflow water pump, and backflow water pump connects with ejector
Connect, the outlet rear end of ejector connects with air intake duct.The water pipe that flows back mixes the gas backstreaming of the water on reaction zone top and air chamber
After be passed through bottom precipitation area, then reacted, on the one hand reduce the water-carrying capacity into three phase separator, on the other hand make in water
Organic matter reaction is more thorough.
Preferably, one ejector is respectively set in described anaerobic reactor two bottom sides, two ejectors are on anaerobism
Reactor center axisymmetrical.From two lateral middle water sprays, the overall mixing effect in increase bottom, the mass transfer inside current is improved
Efficiency.
Preferably, flow back one end of water pipe be connected with backflow water pump, and it is anti-that the other end of the water pipe that flows back is located at described anaerobism
Answer the anaerobic reaction area top of device.
Preferably, one end of air intake duct connects with the outlet rear end of ejector, and the other end of air intake duct is detested positioned at described
In the air chamber of oxygen reactor.Gas is added in the runback water, further increases mixing effect.
Preferably, in addition to water distribution system, water distribution system are located at described anaerobic reactor bottom.Will be pending from bottom
Sewage is imported in reactor, is made the bottom-up reaction of sewage, is advantageous to the discharge of gas and the precipitation of sludge.
Preferably, in addition to adjusting means, adjusting means are located on backflow water pipe.
A kind of anaerobic reactor, including reactor tank body and three phase separator, in addition to a kind of above-mentioned anaerobic reactor
Interior circulating jet system, wherein, be followed successively by from top to bottom in reactor tank body air chamber, three phase separator, anaerobic reaction area and
Settling zone, described interior circulating jet system are symmetricly set in reactor tank body in reactor tank body central axis.
Preferably, one end of the backflow water pipe in described interior circulating jet system is connected with backflow water pump, and flow back water pipe
Position of the other end between three phase separator bottom and anaerobic reaction area top.
Preferably, one end of air intake duct connects with ejector, and the other end of air intake duct is located at the gas at the top of reactor tank body
It is indoor.
Preferably, in addition to adjusting means, adjusting means are located on backflow water pipe.This device can be in anaerogenic situation
Under, flowed back using water alone, improve the upflow velocity in reaction zone.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) the interior circulating jet system of a kind of anaerobic reactor of the present utility model, by flowing back water pipe from reaction zone
Portion is fetched water, then bottom precipitation area is passed through after then both are mixed, is reduced into three phase separation from air chamber air-breathing with air intake duct
The water-carrying capacity of device, while the organic matter in water is reacted more thorough, the load of three phase separator is alleviated, avoids sludge
It is lost in；
(2) the interior circulating jet system of a kind of anaerobic reactor of the present utility model, sets in anaerobic reactor two bottom sides
Ejector is put, from two lateral middle water sprays, the overall mixing effect in increase bottom, improves the mass-transfer efficiency inside current；
(3) a kind of anaerobic reactor of the present utility model, the biogas of anaerobic reactor air chamber is sucked in ejector, together with
The water mixing of backflow, then in anaerobic precipitation area, base injcction comes out, and increases the stirring intensity of inside reactor, ensures that particle is dirty
Fully contacting between mud and waste water, strengthen mass transport process, so can effectively solve the three-phase that traditional EGSB exteenal refluxs are brought
Separator load is too high, the phenomenon of sludge loss occurs.Can solve the easy deposition in anaerobic reactor bottom indirectly in addition, it is easily inorganic
The problem of change；
(4) a kind of anaerobic reactor of the present utility model, bottom are provided with water distribution system, and ejector is located at into reactor bottom
Both sides, stirring settling zone water progressive from outside to inside, increase mass-transfer efficiency, improve the treatment effeciency of reactor；
(5) a kind of anaerobic reactor of the present utility model, adjusting means is increased on backflow water pipe, can be anaerogenic
In the case of, flowed back using water alone, improve the upflow velocity in reaction zone.
Brief description of the drawings
Fig. 1 is a kind of structural representation of anaerobic reactor of the present utility model.
In figure：1st, reactor tank body；2nd, three phase separator；3rd, air intake duct；4th, flow back water pipe；5th, ejector；6th, cloth water system
System；7th, flow back water pump, 8, adjusting means；A, air chamber；B, anaerobic reaction area；C, settling zone.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of interior circulating jet system of anaerobic reactor, including backflow water pipe 4, air intake duct 3, ejector
5 are located on the outside of described anaerobic reactor with backflow water pump 7, described reflux pump 7；Backflow water pipe 4 is connected with backflow water pump 7,
Backflow water pump 7 is connected with ejector 5, and the outlet rear end of ejector 5 connects with air intake duct 3.Pass through reflux pump 7 and backflow water pipe 4
The water on reaction zone top is flowed back, while air intake duct 3 draws the gas in air chamber A, then mixes both, passes through ejector 5
Mixing water is passed through reactor bottom, increase anaerobic reaction area B mixing effect.Circulating jet system reduces into three in this
The water-carrying capacity of phase separator 2, while the organic matter in water is reacted more thorough, the load of three phase separator 2 is alleviated, is avoided
The loss of sludge.
Embodiment 2
A kind of interior circulating jet system of anaerobic reactor of the present embodiment, similar to Example 1, difference is,
One ejector 5 is respectively set in described anaerobic reactor two bottom sides, two ejectors 5 are in anaerobic reactor central axis pair
Claim.One end of backflow water pipe 4 is connected with backflow water pump 7, and the other end of backflow water pipe 4 is located at the anaerobism of described anaerobic reactor
Reaction zone B tops.One end of air intake duct 3 connects with ejector 5, and the other end of air intake duct 3 is located at described anaerobic reactor
In air chamber A.Also include adjusting means 8, adjusting means 8 is on backflow water pipe 4.The present embodiment also includes water distribution system 6, water distribution
System 6 is located at described anaerobic reactor bottom.Ejector 5 positioned at reactor bottom both sides, from two lateral middle water sprays, with
Water distribution system 6 stirs to treatment sewage together, the overall mixing effect in increase bottom, improves the mass-transfer efficiency inside current.
Embodiment 3
As shown in figure 1, a kind of anaerobic reactor, including reactor tank body 1 and three phase separator 2, in addition to above-mentioned one
The interior circulating jet system of kind anaerobic reactor, wherein, air chamber A, three phase separator are followed successively by reactor tank body 1 from top to bottom
2nd, anaerobic reaction area B and settling zone C, described interior circulating jet system are symmetricly set on instead in the central axis of reactor tank body 1
Answer in device tank body 1.Interior circulating jet system is mixed in anaerobic reactor air chamber A biogas suction ejector 5 together with the water of backflow
Close, then in settling zone, C base injcctions come out, and increase the stirring intensity of inside reactor, ensure between granule sludge and waste water
Abundant contact, strengthen mass transport process, so can effectively solve the load of three phase separator 2 that traditional EGSB exteenal refluxs are brought
It is too high, there is the phenomenon of sludge loss.The other anaerobic reactor can also solve the easy deposition in anaerobic reactor bottom indirectly, easily
The problem of inorganization.The anaerobic reactor utilizes jet current principle, need not arrange that special water-locator also can in reactor bottom
Ensure that water outlet is uniform, and the deposition of reactor bottom can be washed away, prevent the inorganization of sludge.
Embodiment 4
A kind of anaerobic reactor of the present embodiment, similar to Example 3, difference is, described interior circulating jet
One end of backflow water pipe 4 in system with backflow water pump 7 be connected, backflow water pipe 4 the other end be located at the bottom of three phase separator 2 and
Position between anaerobic reaction area top.One end of air intake duct 3 connects with ejector 5, and the other end of air intake duct 3 is located at reactor
In the air chamber A at the top of tank body 1.Also include adjusting means 8, adjusting means 8 is on backflow water pipe 4.Position at the backflow water intaking of water pipe 4
Position between the bottom of three phase separator 2 and anaerobic reaction area top, recirculation water is in the presence of the water pump 7 that flows back through recirculation water
Pipe 4 enters in ejector 5, and ejector 5 is located at anaerobic reaction area bottom, and air intake duct 3 is located at the air chamber A at the top of anaerobic reactor
It is interior, according to jet flow negative pressure air-suction, biogas caused by anaerobism is sucked in ejector 5 by air intake duct 3 and mixed with recirculation water
Injection, this water adds the reflux type of biogas significantly to save the energy consumption improved needed for upflow velocity, than traditional water reflux type
Energy-conservation more than 20%.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (10)
1. the interior circulating jet system of a kind of anaerobic reactor, it is characterised in that including backflow water pipe (4), air intake duct (3), penetrate
Flow device (5) and backflow water pump (7), described backflow water pump (7) on the outside of described anaerobic reactor, backflow water pipe (4) and
Flowed back water pump (7) connection, and backflow water pump (7) is connected with ejector (5), and outlet rear end and the air intake duct (3) of ejector (5) connect
It is logical.
2. the interior circulating jet system of a kind of anaerobic reactor according to claim 1, it is characterised in that detest in described
Respectively one ejector (5) of setting, two ejectors (5) are symmetrical in anaerobic reactor central axis for oxygen reactor two bottom sides.
A kind of 3. interior circulating jet system of anaerobic reactor according to claim 1 or 2, it is characterised in that recirculation water
Manage (4) one end with backflow water pump (7) be connected, flow back water pipe (4) the other end be located at described anaerobic reactor anaerobism it is anti-
Answer area (B) top.
A kind of 4. interior circulating jet system of anaerobic reactor according to claim 3, it is characterised in that air intake duct (3)
One end connected with the outlet rear end of ejector (5), the other end of air intake duct (3) is located at the air chamber of described anaerobic reactor
(A) in.
5. the interior circulating jet system of a kind of anaerobic reactor according to claim 1, it is characterised in that also including water distribution
System (6), water distribution system (6) are located at described anaerobic reactor bottom.
6. the interior circulating jet system of a kind of anaerobic reactor according to claim 3, it is characterised in that also include regulation
Device (8), adjusting means (8) is on backflow water pipe (4).
7. a kind of anaerobic reactor, including reactor tank body (1) and three phase separator (2), it is characterised in that will also including right
A kind of interior circulating jet system of anaerobic reactor described in any one of 1-2 and 4-5 is sought, wherein, from upper in reactor tank body (1)
Air chamber (A), three phase separator (2), anaerobic reaction area (B) and settling zone (C), described interior circulating jet system are followed successively by under
It is symmetricly set in reactor tank body (1) central axis in reactor tank body (1).
A kind of 8. anaerobic reactor according to claim 7, it is characterised in that returning in described interior circulating jet system
One end of overflow pipe (4) is connected with backflow water pump (7), and the other end of backflow water pipe (4) is located at three phase separator (2) bottom with detesting
Position between oxygen reaction zone (B) top.
9. a kind of anaerobic reactor according to claim 7, it is characterised in that one end of air intake duct (3) and ejector (5)
Connection, the other end of air intake duct (3) are located at the air chamber (A) at the top of reactor tank body (1) Nei.
10. a kind of anaerobic reactor according to claim 7, it is characterised in that also including adjusting means (8), regulation dress
(8) are put on backflow water pipe (4).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821431A (en) * | 2018-08-06 | 2018-11-16 | 广州博环保科技有限公司 | A kind of speed change up-flow reactor for hydrolysis and acidification |
| CN109231415A (en) * | 2018-11-09 | 2019-01-18 | 王德喜 | A kind of Fenton fluidized bed plant based on jet flow water distributor |
| CN110734135A (en) * | 2019-11-25 | 2020-01-31 | 上海世渊环保科技有限公司 | anaerobic membrane bioreactors |
| CN112707504A (en) * | 2020-12-31 | 2021-04-27 | 湖北金润德环保技术有限公司 | Method and device for improving treatment efficiency of anaerobic reactor in pharmaceutical wastewater treatment process |
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2016
- 2016-12-12 CN CN201621356808.4U patent/CN206720843U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821431A (en) * | 2018-08-06 | 2018-11-16 | 广州博环保科技有限公司 | A kind of speed change up-flow reactor for hydrolysis and acidification |
| CN109231415A (en) * | 2018-11-09 | 2019-01-18 | 王德喜 | A kind of Fenton fluidized bed plant based on jet flow water distributor |
| CN110734135A (en) * | 2019-11-25 | 2020-01-31 | 上海世渊环保科技有限公司 | anaerobic membrane bioreactors |
| CN112707504A (en) * | 2020-12-31 | 2021-04-27 | 湖北金润德环保技术有限公司 | Method and device for improving treatment efficiency of anaerobic reactor in pharmaceutical wastewater treatment process |
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Effective date of registration: 20210602 Address after: 214200 building 14, 128 Hengtong Road, huankeyuan, Yixing, Wuxi, Jiangsu Province Patentee after: JIANGSU ZHONGYI JINDA ENVIRONMENTAL PROTECTION INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: 214200 4th floor, building a, environmental protection technology building, No. 501, Lvyuan Road, huankeyuan, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU ZHONGYIJINDA ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT Co.,Ltd. |