CN207537218U - Air lift full-mixing type anaerobic reactor - Google Patents
Air lift full-mixing type anaerobic reactor Download PDFInfo
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- CN207537218U CN207537218U CN201721357613.6U CN201721357613U CN207537218U CN 207537218 U CN207537218 U CN 207537218U CN 201721357613 U CN201721357613 U CN 201721357613U CN 207537218 U CN207537218 U CN 207537218U
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Abstract
The utility model air lift full-mixing type anaerobic reactor includes biogas recirculation system, interior water recycles, and sludge recirculation system, solve the problems, such as that interior cycle IC reactor cycles effect of the prior art is limited to, three phase separator easily runs floc sludge in mud, underwater drop tube capacity is susceptible to plugging.The utility model combines the interior circulation power of internal-circulation anaerobic reactor generation, three phase separation is designed in the high-efficiency type of one, in addition the biogas dexterously generated using system itself is recycled, achieve the purpose that muddy water mixes, strengthen air lift effect using recycled biogas simultaneously, increase inner circulating reflux ratio, inside reactor muddy water mixability is further enhanced, reaching efficient muddy water with smaller biogas recirculation amount mixes, and inside reactor main region is made to be in mixed state entirely.The operation operation of air lift full-mixing type reactor biogas recirculation is flexible, and efficiency is stablized secure, is very suitable for handling high concentration, the big industrial wastewater of variation water quality.
Description
Technical field
The utility model belongs to industrial wastewater Anaerobic Treatment field more particularly to a kind of air lift full-mixing type anaerobic reactor.
Background technology
Industrial Wastewater Treatment pollution concentration is high, and intractability is the object of paying close attention to of field of environment protection all the time greatly, and
For in process for treating industrial waste water, Anaerobic Treatment is then low with operating cost, high treating effect and it can generate and can utilize energy
The advantages such as source biogas pay close attention to object as Industrial Wastewater Treatment.
Waste water fermentation processing is a kind of wastewater processing technology of low cost, it is the recycling of the processing and the energy waste water again
It is a core of production of energy and Environment Protection System, product can be positive using a kind of technology being combined
Using and generate economic value.
Application at present it is more predominantly in cycle IC anaerobic reactors, expanded granular sludge bed EGSB reactors and
Ascending manner sludge fluid bed UASB reactors etc..For high volumetric loading IC and EGSB reactors, in addition to built-in three phase separation
The difference of device is outer, and the main difference for also having the circulatory system, IC uses interior cycle, and EGSB belongs to outer circulation, its purpose is to
Dilution water inlet, increases upflow velocity, generates hydraulic mixing and muddy water is caused to be sufficiently mixed contact.But for respectively generating in operation
Circulating effect, have controlling difficulties in the control of muddy water mixability and operation in reactor.
Circulating effect has close ties with sludge activity and biogas yield in IC internal circulation systems, and interior circulating effect is by transporting
Row condition and operation control effect determine that initial start stage biogas output is low, and interior internal circulating load is small, and to improve mixed effect can only lead to
Cross raising flow of inlet water.And for the higher waste water of hardness, cycle position is mainly lower floor's separator position, basicity and
COD concentration is higher, is easier to cause calcification.The circulation position recycled in IC is mostly in the first reaction of reactor lower part
Room, and due between upper and lower two reative cells there is three phase separator, so the sludge concentration of upper and lower two reative cells and
Volumetric loading difference is bigger, and from the perspective of entire reactor, power load distributing and entire muddy water mixability are uneven, whole
Capacity utilization it is smaller.Since the water outlet of water down-comer is in the highest reactor bottom of sludge concentration, reflux resistance is big,
Underwater drop blockage is be easy to cause, influences the normal operation of reactor.In addition, its inside uses two layers of three phase separator, due to
Three phase separator gas collection, solid, liquid three are located away from one, and disengaging time is short, higher and using floc sludge in upflow velocity
In the case of, floc sludge relative particle sludge settling speed is slower, it may occur that the phenomenon that running mud.
And EGSB carries out outer circulation using external circulating pump, and upflow velocity can be controlled by outer circulation, but is followed compared to interior
Ring high energy consumption.In addition EGSB only has one layer of degassing settler to be arranged on top, in order to ensure the Sediment Module operational excellence that deaerates,
Upflow velocity is controlled, and then the sludge in reactor is concentrated mainly on bottom, the muddy water mixability in entire reactor
Relatively low, compared to IC inner circulation reactors, volumetric loading is lower.
Invention content
For problems of the prior art, the utility model provides a kind of air lift full-mixing type anaerobic reactor, can
Solve the limitation of the interior cycle IC reactor cycles effect in present reactor, three phase separator easily runs floc sludge in mud, water
Down-comer easily blocks, EGSB outer circulation reactor outer circulations energy consumption is big, individual layer three phase separator separating effect is poor and IC is anti-
Answer that device, EGSB outer circulation reactor muddy water mixabilities be low, the more low limitation of volumetric loading.
To achieve the above object, the utility model uses following technical scheme：
A kind of air lift full-mixing type anaerobic reactor, the reactor include retort, and water distribution system is equipped in reaction pot bottom
And gas distribution system, water distribution system include the water inlet pipe for being arranged on reaction pot bottom, described water inlet pipe one end is equipped with intake pump, described
The other end of water inlet pipe is stretched into retort, is located on the pipeline inside retort in water inlet pipe and is equipped with water-distribution nozzle, the cloth
Gas system includes gas distribution pipe and biogas recirculation pipe, and qi-emitting hole, the inlet end of the gas distribution pipe and natural pond is distributed on the gas distribution pipe
The lower end of gas circulation pipe is connected, and the upper end of biogas recirculation pipe is connected with the top layer gas storage space at the top of retort, biogas recirculation
Pipe is equipped with Marsh gas compression machine,
Three phase separator is equipped at the middle part of retort, the top of the three phase separator is equipped with built-in sedimentation basin, described
Built-in sedimentation basin top is equipped with spray system, degassing module is equipped in the built-in sedimentation basin periphery, in the built-in sedimentation basin
Lower part be equipped with mud return line and drainpipe, the inside of retort, mud return line are stretched into the lower end of the mud return line
Sludge reflux pump is equipped with, degassing tank is equipped at the top of retort, the top of degassing tank is equipped with firedamp drainage pipe, the degassing
Tank is connected by biogas communicating pipe with retort, and the degassing tank is equipped with biogas tedge and water down-comer, the biogas
The lower end of tedge is connected with the gas collection mouth of three phase separator, one end of the water down-comer is connected with degassing pot bottom,
The other end is equipped with upper water distributor, and nozzle is equipped on water distributor, and the water distributor is located at the lower part of mud return line,
Biogas recirculation system is formed between the biogas recirculation pipe, biogas communicating pipe and Marsh gas compression machine, on the biogas
Water cycle in composition between riser and water down-comer, it is described built-in to be formed between sedimentation basin, mud return line and sludge reflux pump
Sludge recirculation system.
The built-in sedimentation basin is vertical sedimentation basin.
The three phase separator and built-in sedimentation basin are made by PP materials.
The retort is equipped with sample tap.
The water-distribution nozzle is uniformly distributed on water inlet pipe.
The nozzle is uniformly distributed on water distributor.
The qi-emitting hole is uniformly distributed on gas distribution pipe.
Compared with prior art, the beneficial effects of the utility model are：
The utility model air lift full-mixing type anaerobic reactor solves interior cycle IC reactor cycles effect of the prior art
Fruit limitation, three phase separator easily run floc sludge in mud, underwater drop tube capacity easily blocks, EGSB outer circulation reactor outer circulation energy
Consumption is big, individual layer three phase separator separating effect is poor and IC reactors, EGSB outer circulation reactor muddy water mixabilities are low, volume
The problem of load more low limitation.Technology disclosed in the utility model combines the interior cycle of internal-circulation anaerobic reactor generation
Power, three phase separation are designed in the high-efficiency type of one, and the biogas in addition dexterously generated using system itself is recycled, and is reached
The purpose of muddy water mixing, while strengthen air lift effect using recycled biogas, increase inner circulating reflux ratio, further enhance reactor
Internal muddy water mixability reaches efficient muddy water with smaller biogas recirculation amount and mixes, makes inside reactor main region
In complete mixed state.The operation operation of air lift full-mixing type reactor biogas recirculation is flexible, and efficiency is stablized secure, is very suitable for handling
High concentration, the big industrial wastewater of variation water quality.
Biogas at the top of the utility model retort is connect by Marsh gas compression machine with gas distribution pipe, is provided for inside reactor
Hybrid power；Lower part water-distribution nozzle and water inlet pipe are to water distribution uniformity；Top water distributor, top water distributor connect with water down-comer
It connects, to generate uniform Hydraulic Circulation；Mud return line is connect with sludge reflux pump, for the precipitating sludge that flows back.In retort
It is equipped with successively from top to bottom：Three phase separator, built-in sedimentation basin, the two-stage separation of anabolic reaction device inside, top sets degassing tank.Natural pond
Gas is recycled using Marsh gas compression machine, and cycle position is the reactor top layer gas storage space, and the zone of action is three phase separation
Position below device；Water cycles through biogas tedge and water down-comer composition, and the circulating part position is the reactor top layer
Degassing tank, the zone of action are position below three phase separator.Position below the three phase separator of the reactor is mixed state entirely,
The reflux agitation that hybrid power is generated for the gas stirring and gas stripping of recycled biogas generation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model air lift full-mixing type anaerobic reactor.
Specific embodiment
With reference to attached drawing, by the technical solution of the utility model, details are as follows：
As shown in Figure 1, the present embodiment air lift full-mixing type anaerobic reactor, which includes retort 1, in retort 1
Bottom is equipped with water distribution system and gas distribution system, and water distribution system includes the water inlet pipe 2 for being arranged on 1 bottom of retort, the water inlet pipe
One end is equipped with intake pump 3, and the other end of the water inlet pipe 2 is stretched into retort 1, is located at the pipe inside retort in water inlet pipe 2
Road is equipped with water-distribution nozzle 4, and the gas distribution system includes gas distribution pipe 5 and biogas recirculation pipe 6, cloth is distributed on the gas distribution pipe 5
Stomata, the inlet end of the gas distribution pipe 5 are connected with the lower end of biogas recirculation pipe 6, upper end and the retort top of biogas recirculation pipe 6
Top layer gas storage space 7 be connected, biogas recirculation pipe 6 be equipped with Marsh gas compression machine 8,
Three phase separator 9 is equipped at the middle part of retort 1, the top of the three phase separator 9 is equipped with built-in sedimentation basin 10,
Built-in 10 top of sedimentation basin is equipped with spray system, degassing module 11 is equipped in built-in 10 periphery of sedimentation basin, described
The lower part of built-in sedimentation basin 10 is equipped with mud return line 12 and drainpipe 20, and retort is stretched into the lower end of the mud return line 12
1 inside, mud return line 12 are equipped with sludge reflux pump 13, and degassing tank 14, the top of degassing tank are equipped at the top of retort 1
Portion is equipped with firedamp drainage pipe 21, and the degassing tank 14 is connected by biogas communicating pipe 15 with retort, on the degassing tank 14
Equipped with biogas tedge 16 and water down-comer 17, the lower end of the biogas tedge 16 and the gas collection mouth of three phase separator 9
It is connected, one end of the water down-comer 17 is connected with 14 bottom of degassing tank, the other end is equipped with upper water distributor 18, on water distributor 18
Equipped with nozzle 19, the water distributor 18 is located at the lower part of mud return line 12,
Biogas recirculation system, the natural pond are formed between the biogas recirculation pipe 6, biogas communicating pipe 15 and Marsh gas compression machine 8
Water cycle in composition between gas tedge 16 and water down-comer 17, the built-in sedimentation basin 10, mud return line 12 and sludge return
Sludge recirculation system is formed between stream pump 13.
Preferably, sedimentation basin 10 built in the present embodiment is vertical sedimentation basin.
As further preferred, the present embodiment three phase separator 9 and built-in sedimentation basin 10 are made by PP materials.
As further preferred, the present embodiment retort 1 is equipped with sample tap 23.
As further preferred, the present embodiment water-distribution nozzle 4 is uniformly distributed on water inlet pipe 2.
As further preferred, the present embodiment nozzle 19 is uniformly distributed on water distributor 18.
As still more preferably, the present embodiment cloth qi-emitting hole is uniformly distributed on gas distribution pipe 5.
The operation principle of the present embodiment is：
Waste water to be treated is pumped into reactor by reactor bottom, via lower part water distribution system water distribution uniformity, is recycling
Uniformly mixed with the anaerobic sludge in water down-comer recirculation water and reactor under the agitation of biogas, due to recycled biogas agitation and
High inner circulating reflux ratio makes the uniform mixing of muddy water in reactor that sludge top, bottom compartment system to three phase separator may be not present
Between be full confounding.Mixed liquor is detached by three phase separator into promoting the circulation of qi, solid, liquid three, recycled biogas and the major part generated
The degassing tank that biogas is set herein by the promotion of biogas tedge to tank deck, carries out the further separation of biogas, and takes off
Water flow to the top water distribution system of reactor bottom by water down-comer again, and cycle mixes again with water inlet, realizes waste water
Interior cycle.Since the sludge top of high concentration is not present in mixed state, bottom entirely in reactor, inner circulating reflux resistance is much smaller than
IC inner circulation reactors help to prevent to drop the operation steady in a long-term of blockage and reactor under water.
The waste water after three phase separator enters buffer strip later.The effect in this region is different from the second of IC reactors
Reative cell, main purpose are the waterpower cushioning effects entered to waste water before built-in sedimentation basin.Mud mixture passes through three-phase separate
From device, most of sludge is trapped within the full confounding of lower part, and partial sludge enters three phase separator top and forms sludge suspension
Layer.On the one hand retention rises sludge to the sludge suspension layer in this region, on the other hand water outlet is further processed, full confounding future
It obtains and the organic matter of degradation is further degraded herein.Here the methane quantity generated is relatively seldom, and sludge suspension layer top is dirty
The relatively low supernatant of mud concentration is cooked after being built the degassing module progress gas-liquid separation of sedimentation basin periphery into built-in sedimentation basin
Further separation of solid and liquid.Since the sludge content for entering sedimentation basin is very low, so sludge back flow quantity can be lower.It is built-in heavy
The design in shallow lake pond substantially reduces the requirement to sludge reflux pump lift, and the design of simultaneous buffering band greatly reduces built-in precipitation
The sludge quantity in pond, reduces the requirement to sludge reflux pump discharge, and dirt has been saved in the sludge reflux pump configuration of low discharge low lift
The energy consumption of mud reflux course.Furthermore it is possible to according to the precipitating sludge amount of reactor top sample tap water outlet and the load of sedimentation basin
Determine sludge reflux pump discharge.There are one larger gas storage space at the top of anaerobic reactor, ensure biogas recirculation system stablize and
Biogas more steadily enters follow-up methane utilizing system.In order to reach sufficient mixed effect and anti-load impact, it is provided with natural pond
Air compressor, biogas is depressed into gas distribution pipe by part biogas from the gas storage space of reactor head through Marsh gas compression machine, to reactor
Interior muddy water carries out gas disturbance mixing.Recycled biogas is even into reactor, to adjust the muddy water mixability of reactor guarantor
It demonstrate,proves muddy water in reactor and is in mixed state entirely.Inner circulating reflux water and recycled biogas do not pass through the buffering area on reactor top, energy
Enough ensure inside reactor muddy water be sufficiently mixed in the case of without sedimentation basin built in influence separating effect.
The inner circulating reflux power of the present embodiment air lift full-mixing type anaerobic reactor is generated by forming methane with recycled biogas
Gas stripping provide, without energy consumption, the gas stripping that recycled biogas generates is to cycle for the gas stripping of the generation that forms methane
The secondary use of biogas can enhance air lift effect, increase inner circulating reflux ratio, can both reach without additional energy efficient
Hydraulic Circulation effect；High reflux ratio brings high rise/fall flow velocity, mixed state entirely is in simultaneous reactions device, bottom is not
There are the sludge top of high concentration, high flow velocity and low reflux resistance greatly alleviate tedge/underwater wind for dropping blockage
Danger.
In addition, the recycled biogas amount of the present embodiment air lift full-mixing type anaerobic reactor can be carried out according to waste water and operating condition
It adjusts, if the methane quantity generated can reach good interior circulating effect, muddy water mixability is uniform in reactor, and water inlet is dense
It spends relatively low, it is possible to reduce recycled biogas amount saves energy consumption；When influent concentration is higher or reactor start-up initial stage and reactor
When activity decline causes interior circulating effect variation, biogas recirculation can be increased, pass through the muddy water in biogas recirculation control reactor
Mixability, at the same control in recirculated water reflux ratio, further dilute inlet COD concentration, ensure effective operation of reactor.
The difference of the present embodiment air lift full-mixing type reactor also resides in the special designing of upper and lower two separate device.Lower floor adopts
It is three efficient air, solid, liquid piece-rate systems with three phase separator, is arranged on that sludge concentration is big, more complete of biogas output mixed is gone
As level-one separator；And the sludge not detached after three phase separator, it is formed between upper and lower two separate device
Sludge suspension layer, on the one hand retention rise sludge, on the other hand further play the effect of organics removal.Sludge concentration later
Relatively low supernatant enters sedimentation basin by the degassing module of built-in sedimentation basin periphery and carries out two level mud-water separation, precipitating sludge warp
Sludge reflux pump flows back, and is discharged and is discharged through built-in sedimentation basin peripheral overflow weir.And built-in sedimentation basin is different from the three of lower floor
Phase separator, in a manner that Sediment Module and degassing module separately carry out, in this way for particle is smaller or floc sludge
There is good precipitation and separation effect, avoid the situation of sludge loss.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as with the common side in this field
Formula is practiced；Any those skilled in the art in the case where not departing from technical solutions of the utility model ambit, may be used
Technical solutions of the utility model are made with many possible changes and modifications using the methods and technical content of the disclosure above or is repaiied
The equivalent embodiment of equivalent variations is changed to, this has no effect on the substantive content of the utility model.Therefore, it is every without departing from this practicality
The content of new technique scheme, any simple modification made to the above embodiment of foundation the technical essence of the utility model, etc.
With variation and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (7)
1. a kind of air lift full-mixing type anaerobic reactor, which is characterized in that the reactor includes retort（1）, in retort（1）Bottom
Portion is equipped with water distribution system and gas distribution system, and water distribution system includes being arranged on retort（1）The water inlet pipe of bottom（2）, the water inlet
Pipe one end is equipped with intake pump（3）, the water inlet pipe（2）The other end stretch into retort（1）It is interior, in water inlet pipe（2）Positioned at reaction
Pipeline inside tank is equipped with water-distribution nozzle（4）, the gas distribution system include gas distribution pipe（5）With biogas recirculation pipe（6）, the cloth
Tracheae（5）On qi-emitting hole, the gas distribution pipe is distributed with（5）Inlet end and biogas recirculation pipe（6）Lower end be connected, biogas recirculation
Pipe（6）Upper end and retort at the top of top layer gas storage space（7）It is connected, biogas recirculation pipe（6）It is equipped with Marsh gas compression machine
（8）,
In retort（1）Middle part be equipped with three phase separator（9）, the three phase separator（9）Top be equipped with built-in sedimentation basin
（10）, the built-in sedimentation basin（10）Top is equipped with spray system（22）, in the built-in sedimentation basin（10）Periphery is equipped with degassing
Module（11）, in the built-in sedimentation basin（10）Lower part be equipped with mud return line（12）And drainpipe（20）, the sludge time
Flow tube（12）Lower end stretch into retort（1）Inside, mud return line（12）It is equipped with sludge reflux pump（13）, in retort
（1）Top be equipped with degassing tank（14）, the top of degassing tank is equipped with firedamp drainage pipe（21）, the degassing tank（14）Pass through biogas
Communicating pipe（15）It is connected with retort, the degassing tank（14）It is equipped with biogas tedge（16）With water down-comer（17）, institute
State biogas tedge（16）Lower end and three phase separator（9）Gas collection mouth be connected, the water down-comer（17）One end
With degassing tank（14）Bottom is connected, the other end is equipped with upper water distributor（18）, in water distributor（18）It is equipped with nozzle（19）, the cloth
Water pipe（18）Positioned at mud return line（12）Lower part,
The biogas recirculation pipe（6）, biogas communicating pipe（15）With Marsh gas compression machine（8）Between form biogas recirculation system, it is described
Biogas tedge（16）With water down-comer（17）Between water cycle in composition, the built-in sedimentation basin（10）, mud return line
（12）And sludge reflux pump（13）Between form sludge recirculation system.
2. air lift full-mixing type anaerobic reactor according to claim 1, which is characterized in that the built-in sedimentation basin（10）For
Vertical sedimentation basin.
3. air lift full-mixing type anaerobic reactor according to claim 1, which is characterized in that the three phase separator（9）With
Built-in sedimentation basin（10）It is made by PP materials.
4. air lift full-mixing type anaerobic reactor according to claim 1, which is characterized in that the retort（1）It is equipped with
Sample tap（23）.
5. air lift full-mixing type anaerobic reactor according to claim 1, which is characterized in that the water-distribution nozzle（4）Into
Water pipe（2）On be uniformly distributed.
6. air lift full-mixing type anaerobic reactor according to claim 1, which is characterized in that the nozzle（19）In water distributor
（18）On be uniformly distributed.
7. air lift full-mixing type anaerobic reactor according to claim 1, which is characterized in that the qi-emitting hole is in gas distribution pipe
（5）On be uniformly distributed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721357613.6U CN207537218U (en) | 2017-10-20 | 2017-10-20 | Air lift full-mixing type anaerobic reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721357613.6U CN207537218U (en) | 2017-10-20 | 2017-10-20 | Air lift full-mixing type anaerobic reactor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761449A (en) * | 2019-03-18 | 2019-05-17 | 河南省绿韵环保科技有限公司 | A kind of novel anaerobic reactor and processing system based on UASB |
| CN111717990A (en) * | 2020-06-04 | 2020-09-29 | 武汉泰昌源环保科技有限公司 | Anaerobic reactor for wastewater treatment and method for treating wastewater |
| CN111777177A (en) * | 2020-05-21 | 2020-10-16 | 河南国威市政工程有限公司 | Integrated micro-power sewage treatment device based on UASB reactor |
| CN112777738A (en) * | 2021-01-09 | 2021-05-11 | 蒋能 | High-efficiency anaerobic bioreactor for industrial wastewater treatment |
| CN113003719A (en) * | 2021-03-23 | 2021-06-22 | 江苏激扬环境科技有限公司 | Forced air-stripping mixing and stirring anaerobic reactor |
| CN114455701A (en) * | 2022-01-21 | 2022-05-10 | 扬州大学 | Self-circulation device of anaerobic reactor |
-
2017
- 2017-10-20 CN CN201721357613.6U patent/CN207537218U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761449A (en) * | 2019-03-18 | 2019-05-17 | 河南省绿韵环保科技有限公司 | A kind of novel anaerobic reactor and processing system based on UASB |
| CN111777177A (en) * | 2020-05-21 | 2020-10-16 | 河南国威市政工程有限公司 | Integrated micro-power sewage treatment device based on UASB reactor |
| CN111717990A (en) * | 2020-06-04 | 2020-09-29 | 武汉泰昌源环保科技有限公司 | Anaerobic reactor for wastewater treatment and method for treating wastewater |
| CN112777738A (en) * | 2021-01-09 | 2021-05-11 | 蒋能 | High-efficiency anaerobic bioreactor for industrial wastewater treatment |
| CN113003719A (en) * | 2021-03-23 | 2021-06-22 | 江苏激扬环境科技有限公司 | Forced air-stripping mixing and stirring anaerobic reactor |
| CN114455701A (en) * | 2022-01-21 | 2022-05-10 | 扬州大学 | Self-circulation device of anaerobic reactor |
| CN114455701B (en) * | 2022-01-21 | 2023-09-22 | 扬州大学 | Self-circulation device of anaerobic reactor |
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