CN206014508U - Percolate UASB anaerobic system external efficient circulation water distribution systems - Google Patents
Percolate UASB anaerobic system external efficient circulation water distribution systems Download PDFInfo
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- CN206014508U CN206014508U CN201620961785.3U CN201620961785U CN206014508U CN 206014508 U CN206014508 U CN 206014508U CN 201620961785 U CN201620961785 U CN 201620961785U CN 206014508 U CN206014508 U CN 206014508U
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Abstract
This utility model is related to landfill leachate treatment field, and it provides the external efficient circulation water distribution system for percolate UASB anaerobic systems, including anaerobism circulating pump, ring-type water distribution supervisor, inclines water distribution branch pipe and duck-beak type water-distribution nozzle.The anaerobic jar three phase separator supernatant is evacuated to ring-type water distribution supervisor by the anaerobism circulating pump, then is uniformly divided to all directions water distribution branch pipe, and the water distribution branch pipe is uniformly distributed along anaerobic jar for one week per 45 degree one, and every water distribution branch pipe is provided with regulating valve.Final percolate enters anaerobism pot bottom by duck-beak type water-distribution nozzle, forms the hydraulic flow state to forward spin flow in anaerobism pot bottom.This utility model has the advantages that water distribution rational in infrastructure, process is simple, easy construction.Compared with traditional UASB anaerobic systems circulation water-distributing device, the water distribution system can both meet the upflow velocity of anaerobic system needs, and anaerobism pot bottom can be avoided again to form dead band causes anaerobic sludge deposition hardened.
Description
Technical field
This utility model is related to the rubbish of urban refuse sanitary landfill, garbage incinerating power plant, garbage transfer station etc. and oozes
A kind of filtrate process field, and in particular to external efficient circulation water distribution system for percolate UASB anaerobic systems.
Background technology
The percolate of garbage burning factory is mainly derived from the interior aqueous and rubbish of rubbish anaerobism during heap ferment itself
The moisture content that fermentation is produced, is a kind of high concentrated organic wastewater of complicated component, the typical case with high-pollution load and comprehensive pollution
Feature.COD concentration about 40000～70000mg/L, BOD5Concentration about 20000～35000mg/L, ammonia nitrogen concentration about 1000～
1500mg/L, SS are up to 10000～15000mg/L, and the heavy metal such as also a large amount of cadmiums, nickel, zinc, copper, chromium, lead, and rubbish is oozed
The process of filtrate is the difficult point of waste incineration field.At present, for percolate waste water COD content high the characteristics of, general incineration plant
Landfill leachate treatment engineering is designed with UASB anaerobic reactors, for the removal of COD in percolate.
Up-flow Anaerobic Sludge Bed (UASB) is a kind of simple structure, processes efficient novel anaerobic reactor.Useless
Water rises through the Sludge Bed comprising granule sludge and floc sludge from reactor bottom, in the contact process with mud granule
Generation anaerobic reaction, most organic pollution here are degraded to methane and carbon dioxide through anaerobic fermentation.On reactor
Portion is provided with three phase separator, gas, sludge is separated with liquid, derives, the automatic landing of mud granule at the top of gas autoreactor
Reactor bottom Sludge Bed is settled down to, liquid is from settling section water outlet.
The internal circulation system of UASB is the key link of reactor Effec-tive Function, by anaerobism circulating pump by anaerobic jar three-phase
Separator upper clear supernate is evacuated to the flowing of anaerobic jar bottom cycle, ensures the rising of 0.6～1.0m/h of anaerobic sludge in anaerobic jar
Flow velocity, if anaerobic jar bottom cycle water distribution system water distribution is uneven, is easy for forming dead band in anaerobism pot bottom, causes anaerobism dirty
Mud here deposition is hardened, affects the normal operation of anaerobic system.
Utility model content
Above-mentioned problem is based on, it is efficient that this utility model provides a kind of percolate UASB anaerobic system externals
Circulation water distribution system, compared to the prior art, the water distribution system can both meet the upflow velocity of anaerobic system needs, can avoid again
Anaerobism pot bottom forms dead band causes anaerobic sludge deposition hardened.
For realizing above-mentioned technical problem, it is high that this utility model provides a kind of percolate UASB anaerobic systems external
Effect circulation water distribution system, including anaerobism circulating pump, ring-type water distribution supervisor, water distribution branch pipe and water-distribution nozzle, the anaerobism circulating pump
It is placed in outside anaerobic jar, the ring-type water distribution supervisor is surrounded on the outer top of anaerobic jar, and described water distribution branch pipe one end connects the ring-type
Water distribution is responsible for, and the other end connects the water-distribution nozzle, and the water distribution branch pipe, water-distribution nozzle quantity are respectively multiple, are distributed in institute
State on ring-type water distribution supervisor,
The anaerobism circulating pump, for being evacuated to the ring-type water distribution supervisor, institute by the anaerobic jar three phase separator supernatant
The flow for stating anaerobism circulating pump meets the upflow velocity for making anaerobic sludge in anaerobic jar reach 0.6～1.0m/h.
Further improved scheme is to be provided with flow control valve on every water distribution branch pipe.
Preferably, described water-distribution nozzle is duck-beak type sector structure.
Optimum, the quantity of the water distribution branch pipe is eight, is distributed along anaerobic jar even circumferential.
This utility model has the advantages that water distribution rational in infrastructure, process is simple, easy construction.Compared to the prior art, both
The upflow velocity of anaerobic system needs can be met, anaerobism pot bottom can be avoided again to form dead band causes anaerobic sludge deposition hardened.
Description of the drawings
With reference to the accompanying drawings and detailed description this utility model is described further.
Fig. 1 is that anaerobism of the present utility model circulates water distribution system structural representation.
Fig. 2 is the detail drawing that anaerobism of the present utility model circulates water distribution system local A.
Specific embodiment
In conjunction with shown in Fig. 1, Fig. 2, percolate UASB anaerobic system external efficient circulation water distribution systems, including anaerobism
Circulating pump, ring-type water distribution supervisor 1, water distribution branch pipe 3 and water-distribution nozzle, anaerobism circulating pump are placed in outside anaerobic jar, at the top of anaerobic jar are
Rock wool heat-preservation layer 2, ring-type water distribution master 1 are surrounded on the outer top of anaerobic jar rock wool heat-preservation layer 2, and the connection of 3 one end of water distribution branch pipe is described
Ring-type water distribution is responsible for, and is provided with flow control valve 4 on every water distribution branch pipe, and the other end connects the water-distribution nozzle, water distribution branch pipe
3rd, water-distribution nozzle quantity is respectively multiple, is distributed on ring-type water distribution supervisor.Most preferably, the present embodiment is using 8 water distributions
Pipe is uniformly distributed along anaerobic jar for one week per 45 degree one, and water-distribution nozzle is duck-beak type sector structure.Anaerobism circulating pump will be for will detest
The oxygen tank three phase separator supernatant is evacuated to ring-type water distribution supervisor,
When UASB externals circulation water distribution system works, the anaerobic jar three phase separator supernatant is evacuated to by anaerobism circulating pump
Ring-type water distribution is responsible for, and the flow of anaerobism circulating pump meets the upflow velocity for making anaerobic sludge in anaerobic jar reach 0.6～1.0m/h.
The supernatant of anaerobic jar three phase separator uniformly divides to all directions water distribution branch pipe, then by the duck-beak type water distribution of water distribution branch pipe end
Shower nozzle enters anaerobism pot bottom, forms the hydraulic flow state to forward spin flow in anaerobism pot bottom.The water distribution system can both meet anaerobism
The upflow velocity that system needs, anaerobism pot bottom can be avoided again to form dead band causes anaerobic sludge deposition hardened.
It should be noted that this specific embodiment exemplary illustration that simply this utility model is done and do not limit
Its protection domain, those skilled in the art can also make the change of some unsubstantialities to this utility model, as long as without wound
The improvement that the property made is worked and this patent is carried out, all within the protection domain of this patent.
Claims (4)
1. a kind of percolate UASB anaerobic systems external efficient circulation water distribution system, it is characterised in that follow including anaerobism
Ring pump, ring-type water distribution supervisor, water distribution branch pipe and water-distribution nozzle, the anaerobism circulating pump are placed in outside anaerobic jar, the ring-type water distribution
Supervisor is surrounded on the outer top of anaerobic jar, and described water distribution branch pipe one end connects the ring-type water distribution supervisor, and the other end connects the cloth
Sprinkler head, the water distribution branch pipe, water-distribution nozzle quantity are respectively multiple, are distributed on the ring-type water distribution supervisor,
The anaerobism circulating pump, for the anaerobic jar three phase separator supernatant is evacuated to ring-type water distribution supervisor, described detests
The flow of Oxygen cycle pump meets the upflow velocity for making anaerobic sludge in anaerobic jar reach 0.6～1.0m/h.
2. percolate UASB anaerobic systems external efficient circulation water distribution system according to claim 1, its feature
It is, on every water distribution branch pipe, is provided with flow control valve.
3. percolate UASB anaerobic systems external efficient circulation water distribution system according to claim 2, its feature
It is, described water-distribution nozzle is duck-beak type sector structure.
4. percolate UASB anaerobic system external efficient circulation water distribution systems according to one of claim 1-3,
Characterized in that, the quantity of the water distribution branch pipe is eight, it is distributed along anaerobic jar even circumferential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961785.3U CN206014508U (en) | 2016-08-26 | 2016-08-26 | Percolate UASB anaerobic system external efficient circulation water distribution systems |
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| CN201620961785.3U CN206014508U (en) | 2016-08-26 | 2016-08-26 | Percolate UASB anaerobic system external efficient circulation water distribution systems |
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| CN206014508U true CN206014508U (en) | 2017-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902808A (en) * | 2019-11-22 | 2020-03-24 | 大连民族大学 | Up-flow type electrocatalysis hydrolysis acidification reactor |
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2016
- 2016-08-26 CN CN201620961785.3U patent/CN206014508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902808A (en) * | 2019-11-22 | 2020-03-24 | 大连民族大学 | Up-flow type electrocatalysis hydrolysis acidification reactor |
| CN110902808B (en) * | 2019-11-22 | 2021-12-31 | 大连民族大学 | Up-flow type electrocatalysis hydrolysis acidification reactor |
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