CN205603308U - Anaerobic reactor - Google Patents
Anaerobic reactor Download PDFInfo
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- CN205603308U CN205603308U CN201620106130.8U CN201620106130U CN205603308U CN 205603308 U CN205603308 U CN 205603308U CN 201620106130 U CN201620106130 U CN 201620106130U CN 205603308 U CN205603308 U CN 205603308U
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Abstract
Anaerobic reactor is provided. Anaerobic reactor includes: the reactor jar body, be located the external water distribution hybrid system of reactor jar, be located the internal water distribution device of reactor jar, outer circulation system, it is external to be located the reactor jar, is connected with the reactor jar body and water distribution hybrid system, makes the hydrologic cycle of the reactor jar body flow back to the water distribution hybrid system, wherein inlet tube, outer circulation system and water distribution device are connected to the water distribution hybrid system for the receipt comes from the waste water of inlet tube and the backflow water who comes from outer circulation system, mixes, and distributes the water distribution device with the mixing water. Utilize the basis the utility model discloses anaerobic reactor and wastewater treatment process, the water distribution hybrid system is arranged at the reactor jar externally, and can cut off the rivers between water distribution hybrid system and the water distribution device for can carry out the maintenance and the change of water distribution device under the condition of uninterrupted sewage treatment process.
Description
Technical field
This utility model relates generally to the high load wastewater treatment technology of environmental conservation, relates more specifically to anaerobic reactor.
Background technology
In general COD in waste watercr(COD) is high concentrated organic wastewater more than waste water of 1000mg/L, is mainly derived from the industries such as petrochemical industry, smelting, pharmacy and garbage disposal, and the feature of these waste water is 1, complicated component, often contains some hardly degraded organic substances；2、CODcr、BOD5(Biochemical oxygen demand) and suspension content are high, and the COD value of some waste water is up to tens0000；3, generally possibly together with the divalent salts of some easy foulings, such as Ca2+、Mg2+Ion etc..
The processing method conventional for high concentrated organic wastewater has biological treatment, method of chemical treatment and materialization treatment process.Biological treatment is because of features such as its processing cost is low, technique simple, non-secondary pollutions, more in engineering field application.Bioanalysis is generally divided into Aerobic biological process and anaerobic bio-treated, and current engineering field applies more method to be the use that anaerobic treatment process and aerobic treatment process is in series.
Anaerobic process has simple to operate, the advantage such as energy consumption is low and investment cost is low.Anaerobic reactor generally comprises water inlet pipe, sewage and water purification hybrid system, water purification blood circulation, sludge-water separating system etc..
Utility model content
It is one or more that current anaerobic reactor application is usually present in following problem: 1, the equipment such as the major part water-locator of anaerobic reactor, circulation line is arranged in tank at present, but containing a large amount of Ca2+, Mg2+ ions in some waste water, the fouling tendency ratio of waste water is more serious, the easily fouling and clogging such as the pipeline in reactor, for making system properly functioning, need regular can opening scale removal to safeguard, but the anaerobism startup cycle is relatively long, have impact on normal production；2, in anaerobic reactor, water distribution is uneven, easily forms short stream, cause anaerobic reactor treatment effect poor in waste water uphill process, and extreme influence processes the treatment effect of waste water；3, sludge drainage system design is unreasonable, and the long-term not spoil disposal of base sludge bed produces scale problems in bottom, makes water-locator damage；4, sludge-water separating system design considers the most complete, general anaerobic reactor to be considered to use three phase separators to carry out mud-water separation, but owing to waste water type is complicated, in some anaerobic reactors, granule sludge is difficult to cultivate, it mostly is floc sludge, floc sludge easily floats and takes away, and causes as easy as rolling off a log race mud in anaerobic reactor；5 for retaining mud, and more common way is to reduce the design upflow velocity of waste water in reactor, but the reduction of upflow velocity leverages anaerobic reactor efficiency, adds reactor volume and floor space.
For at least one in the problems referred to above, it is proposed that this utility model, it should be noted that the technical solution of the utility model is not meant to solve above-mentioned whole issue, and only need to provide solution at least one problem.
According to an aspect of the present utility model, it is provided that a kind of anaerobic reactor, including: reactor tank body；It is positioned at the water distribution hybrid system that reactor tank is external；It is positioned at the water-distributing device of reactor tank body；External circulating system, is positioned at reactor tank external, is connected with reactor tank body and water distribution hybrid system, makes the water circulating reflux of reactor tank body to water distribution hybrid system；Wherein water distribution hybrid system connects water inlet pipe, external circulating system and water-distributing device, for receiving the waste water from water inlet pipe and the recirculation water from external circulating system, mixes, and mix moisture is fitted on water-distributing device.
According to the anaerobic reactor of this utility model embodiment, the water route between described water distribution hybrid system and water-distributing device connects and can turn off, when turn off time, it is possible to water-distributing device is taken out from tank body and without opening tank body and without interrupting sewage disposal process.
Anaerobic reactor according to this utility model embodiment, can also include single collecting pipeline, water inlet pipe, external circulating system are all communicated to single collect pipeline, waste water from water inlet pipe and the recirculation water from external circulating system enter and single collect pipeline, are then passed through water distribution hybrid system from this single pipeline that collects.
Anaerobic reactor according to this utility model embodiment, it is also possible to include adding alkali liquor pipe with water distribution hybrid system is connected.
Anaerobic reactor according to this utility model embodiment, wherein said water-distributing device is multiple water distributor, described water distribution hybrid system can have multiple distribution pipe, it is connected one by one with the plurality of water distributor, and on the pipeline of distribution pipe, there is controlled valve, it is possible to control the break-make from distribution pipe to the current of water distributor.
According to the anaerobic reactor of this utility model embodiment, water distributor can extend from reactor tank body top down, and is positioned at the top of the mud bed of bottom.
Anaerobic reactor according to this utility model embodiment, it is also possible to include the taper sprinkler positioned opposite with water distributor being positioned at reactor tank base.
Anaerobic reactor according to this utility model embodiment, it is also possible to include one or more discharge pipeline, is arranged in each sludge accumulation region.
Anaerobic reactor according to this utility model embodiment, it is also possible to including: Dual-layer packing layer, the filling rate of its packing layer at the middle and upper levels is more than the filling rate of lower floor's packing layer.
According to the anaerobic reactor of this utility model embodiment, wherein, upper strata packing layer is different with the filler distribution direction of lower floor packing layer.
According to the anaerobic reactor of this utility model embodiment, two-layer packed height sum and reactor tank body total height ratio between 30%～75%, upper strata packing layer and lower floor's packing layer ratio are distributed according to 1:1～1:2.The filling rate of lower floor's packing layer is between 20%～60%, and the filling rate of upper strata packing layer is between 30%～70%.
Anaerobic reactor according to this utility model embodiment, it is also possible to include the heating system being positioned at reactor tank external body.
According to another aspect of the present utility model, provide a kind of sewage treatment process utilizing above-mentioned anaerobic reactor to carry out, including: it is positioned at the external water distribution hybrid system of reactor tank described in utilization and receives the waste water from water inlet pipe and the recirculation water from external circulating system, mix；Mix moisture is fitted on water-distributing device；Mixing water, after water-distributing device enters bottom anaerobic reactor, flows up, and through packing layer, wherein outside the water purification drain tank after strain in mud purifies, part recirculated water is back to water distribution hybrid system through external circulating system.
Sewage treatment process according to this utility model embodiment, can also include: in the case of finding that water-distributing device breaks down, when not interrupting sewage treatment process, turn off the water-flowing path between water distribution hybrid system and the water-distributing device broken down, then this water-distributing device is taken out.
Sewage treatment process according to this utility model embodiment, it is also possible to including: when not interrupting sewage treatment process, installs the water-distributing device keeped in repair or standby water-distributing device.
Utilize the anaerobic reactor according to this utility model embodiment and sewage treatment process, it is external that water distribution hybrid system is disposed in reactor tank, and the current between water distribution hybrid system and water-distributing device can be cut off, make it possible in the case of not interrupting sewage disposal process, carry out maintenance and the replacing of water-distributing device.
Accompanying drawing explanation
From detailed description to this utility model embodiment below in conjunction with the accompanying drawings, these and/or other side of the present utility model and advantage will become clearer from and are easier to understand, wherein:
Fig. 1 shows the structural representation of the anaerobic reactor according to this utility model embodiment.
Fig. 2 shows the structural representation of the anaerobic reactor according to another embodiment of this utility model.
Fig. 3 shows the bottom pyramidal sprinkler according to this utility model embodiment and the position view of discharge pipeline.
Label declaration:
1-water distribution hybrid system；2-water distributor；3-outlet pipe；4-upper strata filler；5-bottom filling；6-taper sprinkler；7-water inlet pipe；8-adds alkali liquor pipe；9-methane outlet；10-external circulation line；11-discharge pipeline；12-outer circulation pump；13-intake pump；14-adds lye pump；15-bottom expansion bed；16-gas-liquid separation layer；17-tank body；18-collects pipeline；19-distributes pipe；20-valve；21-percolate stock solution.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that this utility model, with detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Describe below in conjunction with the accompanying drawings according to preferred embodiment of the present utility model.
According to one embodiment of this utility model, it is provided that a kind of anaerobic reactor, may include that reactor tank body；It is positioned at the water distribution hybrid system that reactor tank is external；It is positioned at the water-distributing device of reactor tank body；External circulating system, is positioned at reactor tank external, is connected with reactor tank body and water distribution hybrid system, makes the water circulating reflux of reactor tank body to water distribution hybrid system；Wherein water distribution hybrid system connects water inlet pipe, external circulating system and water-distributing device, for receiving the waste water from water inlet pipe and the recirculation water from external circulating system, mixes, and mix moisture is fitted on water-distributing device.
Fig. 1 shows the structural representation of the anaerobic reactor 100 according to one embodiment of this utility model.
As it can be seen, include according to the anaerobic reactor 100 of the present embodiment: water distribution hybrid system 1, water distributor 2, outlet pipe 3, upper strata filler 4, bottom filling 5, taper sprinkler 6, water inlet pipe 7, add alkali liquor pipe 8, methane outlet 9, external circulation line 10, discharge pipeline 11, outer circulation pump 12, intake pump 13, add lye pump 14, bottom expansion bed 15, gas-liquid separation layer 16, tank body 17.
Water distribution hybrid system 1 is outside reactor.In this example, water distribution hybrid system 1 is positioned over the outer top of tank, and water distribution hybrid system 1 connects water inlet pipe 7, reactor external circulation line 10, add alkali liquor pipe 8 and water distributor 2.Adding alkali liquor pipe 8 is optional configuration, under being made without the situation (such as, in reactor, liquid acid basicity is always neutral or alkaline) adding alkali, can be not provided with adding alkali liquor pipe.Water distribution hybrid system 1 receives the waste water from water inlet pipe 7, from the recirculation water of external circulation line 10 with from adding the alkali liquor (optional) of alkali liquor pipe 8, mix, and mix moisture be fitted on water distributor 2.
Water distribution hybrid system 1 can include mixing chamber (not shown), cyclone water distributor (not shown) can be included in mixing chamber, strong eddy flow can be formed, strengthen mixing uniformity and the stirring intensity of mixing chamber so that water distribution is the most even to be sufficiently mixed.
In the example depicted in fig. 1, anaerobic reactor 100 includes single collecting pipeline 18, water inlet pipe 7, reactor external circulation line 10, adding alkali liquor pipe 8 and be all communicated to the single pipeline 18 that collects, the single pipeline 18 that collects is passed through water distribution hybrid system 1, is so combined by a plurality of pipeline and saves tubing consumption.
The wall material of described water distribution hybrid system can be PE or rustless steel, it is possible to antiacid, caustic corrosion.
In the example illustrated in figure 1, water distribution hybrid system 1 is positioned over the top of tank body 17, and this is preferred exemplary, and alternatively, as required, water distribution hybrid system 1 also can be positioned over side or the bottom of tank body.
Described water distribution hybrid system 1 is connected with water distributor, in order to mix moisture is fitted on water distributor.
In the example depicted in fig. 1, water distributor is from reactor tank body top insertion reaction device, and preferably rest on above sludge bulking bed, such as, in one example, water distributor lower openings distance reactor bottom is more than 1 meter, in order to reserve reaction compartment for Sludge Bed, thus the life of waste water and mud preferably hybrid concurrency is reacted.Alternatively, in the case of water distribution hybrid system is positioned over the outer basifacial of tank body, can insert in tank body from reactor tank body lower part by water distributor, the top outlet of water distributor rests in such as sludge bulking bed or under sludge bulking bed.
In one example, the water route between described water distribution hybrid system 1 and water-distributing device 2 connects and can turn off, when turn off time, it is possible to water-distributing device 2 is taken out from tank body and without open tank body and interruption sewage disposal process.Specifically, such as, described water distribution hybrid system has multiple distribution pipe, is connected one by one with the plurality of water distributor, and has controlled valve on the pipeline of distribution pipe, it is possible to control the break-make from distribution pipe to the current of water distributor.Fig. 2 illustrates the structural representation of the anaerobic reactor according to this utility model embodiment, illustrated therein is water distribution hybrid system and controllably to be fitted on by moisture each water distributor by distribution pipe 19 and valve 20, label 1 indicates water distribution hybrid system, label 2 indicates water distributor, label 6 indicates taper sprinkler, label 11 indicates discharge pipeline, label 10 to indicate outer circulation to run well, and label 21 indicates percolate stock solution.
Thus, in the case of finding that water distributor 2 breaks down, such as in the case of there is fouling and clogging, the water-flowing path between water distribution hybrid system and the water distributor broken down can be turned off, then this water distributor 2 is extracted, in the case of having standby water distributor the most on hand, directly standby water distributor can be inserted, and be connected with water distribution hybrid system 1, after connecting, being opened by water-flowing path, this water distributor path just can work on；Or the water distributor that can also will appear from fault is fixed rapidly, such as, carry out de-sludging process, after fixing, be inserted into reactor and connect water distribution hybrid system, connect water-flowing path.Thus achieve anaerobic reactor the most out of service in the case of water distributor change, ensured normal production.
In this example, reactor external circulation line 10 and outer circulation pump 12 form external circulating system.Water at packing layer 4 is drawn by external circulation line, water distribution hybrid system 1 is pumped into through outer circulation pump 12, mix with the waste water being pumped into water distribution hybrid system 1 by intake pump 13 through water inlet pipe 7 in water distribution hybrid system 1, be then passed into the sludge bulking district of reactor lower part through water distributor.External circulating system can effectively reduce water inlet toxicity, promotes waste water upflow velocity in reactor simultaneously.In one example, reactor upflow velocity is designed as 0.5m/h～9m/h, preferably 1m/h-7m/h.In one example, the water yield scalable of outer circulation pump 12, can optionally control the water yield and flow velocity.
In the example illustrated in figure 1, the middle part in reactor tank body 17 is provided with 2 layers of different set packing layer of filling rate.Set filler can be made up of several in semi soft packing, combined stuffing, elastic stereo material or one.Packing layer is fixed in the middle part of reactor.Along with water quality is different, two-layer packed height sum can be different from total reactor height ratio, such as, between 30%～75%, upper strata packing layer and bottom filling stratum proportion can be distributed according to 1:1～1:2.
In one example, upper strata packing layer is different with the arrangement form of bottom filling layer, and such as filler distribution direction is different, to avoid the formation of short stream, it is achieved water distribution uniformity.
In one example, the filling rate of Dual-layer packing layer is different.Preferably, comparatively speaking, bottom filling rate is lower, i.e. loosens；And upper strata filling rate is higher, i.e. tight.Such benefit is: upper strata is tight, contributes to the three phase separation of muddy water gas and prevents from steeping mud；Lower floor loosens, and has both placed sludge loss, has made mud to fall following the most simultaneously, it is simple to discharges, if mud easily blocks above, and plays water distribution uniformity effect.Preferably, the filling rate of underfilling is between 20%～60%, and the filling rate of upper strata filler is between 30%～70%.
So inside reactor is provided with double-deck packing area so that while providing growing carrier for microorganism, also plays prevention reactor sludge loss and the effect of water distribution uniformity.
In the example depicted in fig. 1, in anaerobic reactor tank body, according to water distributor 2 position, there is taper sprinkler 6 in bottom design, it is possible to achieve being sufficiently mixed of water distribution, and the water conservancy diversion of anaerobic sludge.In one example, water distributor water export is relative with the top of taper sprinkler, so that water outlet is scattered as far as possible and mixes.
According to taper sprinkler position and angle bottom described anaerobic reactor, it is provided with a plurality of discharge pipeline 11, effectively preventing and treating mud calcification fouling.
In one example, discharge pipeline 11 subregion is arranged, and is arranged on the region that mud is relatively more, forms the uniform discharge of region spoil disposal, beneficially mud, prevents calcification.
The top view that Fig. 3 schematically shows the taper sprinkler 6 according to one embodiment of this utility model, discharge pipeline 11 is arranged.
Usually, the region between taper sprinkler is sludge accumulation district, can arrange discharge pipeline.
Anaerobic reactor tank body can use the structures such as reinforced concrete structure, enamel assembling and carbon steel welding, can be circular or rectangle.Described anaerobic reactor tank body ratio of height to diameter is 1～8.
Additionally, anaerobic reactor can process needs according to waste water, external heating system is set, it is achieved room temperature, anaeration in normal temperature treatment effect.
According to one embodiment of this utility model, in conjunction with the anaerobic reactor shown in Fig. 1, waste water treatment process can be carried out as follows: high concentrated organic wastewater utilize intake pump 13 through water inlet pipe 7, in reactor runs debugging or reactor, pH value is less than 6 time alkali liquor utilize and add alkali pump 14 and be flowed into through external circulation line 10 collect pipeline 18 through adding alkali liquor pipe 8, reactor cycles water reuse outer circulation pump 12, the most aggregated pipeline 18 enters in water distribution hybrid system 1；After water distribution hybrid system 1 is sufficiently mixed, mixing water delivers to reactor bottom through water distributor 2；Flow in mixing water portion the most bottom-up, sequentially through several regions such as bottom expansion bed 15, underfill layer 5, upper strata packing layer 4 and gas-liquid stratum disjunctums 16: reactor water outlet is discharged through outlet pipe 3, the biogas produced, after 1 gas-liquid separation layer 6, is collected after methane outlet 9 is discharged；And part recirculated water is back to water distribution hybrid system through external circulating system.
In the case of finding that water-distributing device breaks down, when not interrupting sewage treatment process, turn off the water-flowing path between water distribution hybrid system and the water-distributing device broken down, then this water-distributing device is taken out.The water-distributing device keeped in repair or standby water-distributing device can also be installed when not interrupting sewage treatment process.
Being described above each embodiment of the present utility model, described above is exemplary, and non-exclusive, and it is also not necessarily limited to disclosed each embodiment.In the case of the scope and spirit without departing from illustrated each embodiment, many modifications and changes will be apparent from for those skilled in the art.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.
Claims (10)
1. an anaerobic reactor, is characterized in that including:
Reactor tank body；
It is positioned at the water distribution hybrid system that reactor tank is external；
It is positioned at the water-distributing device of reactor tank body；
External circulating system, is positioned at reactor tank external, is connected with reactor tank body and water distribution hybrid system, makes the water circulating reflux of reactor tank body to water distribution hybrid system；
Wherein water distribution hybrid system connects water inlet pipe, external circulating system and water-distributing device, for receiving the waste water from water inlet pipe and the recirculation water from external circulating system, mixes, and mix moisture is fitted on water-distributing device.
Anaerobic reactor the most according to claim 1, it is characterized in that the water route between described water distribution hybrid system and water-distributing device connects and can turn off, when turn off time, it is possible to water-distributing device is taken out from tank body and without opening tank body and without interrupting sewage disposal process.
Anaerobic reactor the most according to claim 1, it is characterized in that also including single collecting pipeline, water inlet pipe, external circulating system are all communicated to single collect pipeline, waste water from water inlet pipe and the recirculation water from external circulating system enter and single collect pipeline, are then passed through water distribution hybrid system from this single pipeline that collects.
Anaerobic reactor the most according to claim 1, is characterized in that also including adding alkali liquor pipe with water distribution hybrid system is connected.
Anaerobic reactor the most according to claim 1 and 2, it is characterized in that described water-distributing device is multiple water distributor, described water distribution hybrid system has multiple distribution pipe, it is connected one by one with the plurality of water distributor, and on the pipeline of distribution pipe, there is controlled valve, it is possible to control the break-make from distribution pipe to the current of water distributor.
Anaerobic reactor the most according to claim 5, is characterized in that water distributor extends from reactor tank body top down, and is positioned at the top of the mud bed of bottom.
Anaerobic reactor the most according to claim 6, is characterized in that also including being positioned at the taper sprinkler positioned opposite with water distributor of reactor tank base.
Anaerobic reactor the most according to claim 1 and 2, is characterized in that also including one or more discharge pipeline, is arranged in each sludge accumulation region.
Anaerobic reactor the most according to claim 1 and 2, is characterized in that also including:
Dual-layer packing layer, the filling rate of its packing layer at the middle and upper levels is more than the filling rate of lower floor's packing layer.
Anaerobic reactor the most according to claim 9, is characterized in that upper strata packing layer is different with the filler distribution direction of lower floor packing layer.
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| CN201620106130.8U CN205603308U (en) | 2016-02-02 | 2016-02-02 | Anaerobic reactor |
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| CN201620106130.8U CN205603308U (en) | 2016-02-02 | 2016-02-02 | Anaerobic reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540836A (en) * | 2016-02-02 | 2016-05-04 | 水木湛清（北京）环保科技有限公司 | Anaerobic reactor and sewage treatment process |
| CN107215955A (en) * | 2017-06-13 | 2017-09-29 | 中节能（合肥）可再生能源有限公司 | A kind of anaerobic reactor water distribution system |
-
2016
- 2016-02-02 CN CN201620106130.8U patent/CN205603308U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540836A (en) * | 2016-02-02 | 2016-05-04 | 水木湛清（北京）环保科技有限公司 | Anaerobic reactor and sewage treatment process |
| CN107215955A (en) * | 2017-06-13 | 2017-09-29 | 中节能（合肥）可再生能源有限公司 | A kind of anaerobic reactor water distribution system |
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