CN204111541U - A kind of wood-based plate Waste Water Treatment - Google Patents
A kind of wood-based plate Waste Water Treatment Download PDFInfo
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- CN204111541U CN204111541U CN201420600096.0U CN201420600096U CN204111541U CN 204111541 U CN204111541 U CN 204111541U CN 201420600096 U CN201420600096 U CN 201420600096U CN 204111541 U CN204111541 U CN 204111541U
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- fluidized bed
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a kind of wood-based plate Waste Water Treatment, wood-based plate Waste Water Treatment comprises materialization separate tank, the equalizing tank that catchments, air supporting reaction tank, distributing trough, anaerobic fluidized bed, hydrolysis fluidized-bed, aerobic fluidized bed, coagulation reaction tank, micro-filtration, O
3oxidizing tower, clean water basin, accident pool, wherein adopt anaerobic fluidized bed, hydrolysis fluidized-bed and the combination of aerobic fluidized bed three grades of biological fluidized beds to carrying out the key problem in technology that biological wastewater treatment is native system.Fixed bed is adopted to compare with the wood-based plate waste water treatment process of Sludge System with routine, application native system the processing parameter designing concerned process steps process wood-based plate waste water, the process aspect being applied to high concentration hard-degraded organic waste water has unique advantage, system core equipment volume is little, whole system has the ability of stronger anti-shock loading, and sludge degradation is abundant, there is not the problem of sludge bulking.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, and specifically a kind of wood-based plate Waste Water Treatment, belongs to field of environment engineering technology.
Background technology
In the production process of beaver board, waste water is mainly from cork screw draining, system fibre, rain-water drainage etc., wherein cork screw draining is the sewage that defibrator cork screw extruding wood chip is extruded, and in this type of waste water, principal pollutant are the water active substance of generation, the fiber fines of loss and auxiliary materials in the fine processing of mill.This type of waste water has following characteristics:
1), Organic substance in water concentration is high, and the ratio that the organism of difficult degradation accounts for is great.In pollutent in medium density fibre board (MDF) factory effluent, organic substance accounts for 88.8% ~ 91.2%, and inorganics accounts for 11.2% ~ 8.8%.Organism is carbohydrate mainly, and wherein deliquescent organic substance accounts for 40% ~ 60%, and waste water COD concentration is between 20000 ~ 30000 mg/L.In organic pollutant, carbohydrate accounts for 70%, lignin accounts for 10%, resene accounts for 20%.
2) it is the inhibitory substance larger to anaerobic waste water biochemical treatment process influence that, contained in waste water resene compound comprises resinous acid, longer chain fatty acid, tannins compound etc.Must effectively be separated before entering biological treatment.
3), in waste water containing a large amount of insoluble impurities compositions, comprise silt, bark, small bits of clay, tiny wood chip and wooden dust, these compositions are present in waste water with suspended substance or colloidal.Wherein, colloidal suspension proportion is quite large, can keep the stability of long duration, and in dispersion state, natural sedimentation is difficult to remove.
Therefore just can discharge after the waste water that Wood-based Panel Production produces has to pass through process, but will process and reach the standard that can be back to production and acquire a certain degree of difficulty.The industry generally adopts Wastewater Treated by Activated Sludge Process system or fixed-bed bioreactor to process wood-based plate waste water, these methods are not generally very desirable to the treatment of Organic Wastewater effect of the high-concentration hardly-degradable that Wood-based Panel Production produces, and floor space is large, numerous shortcoming such as cause the mud of generation too much that sludge degradation is insufficient.
Utility model content
In order to solve above-mentioned many weak points of current conventional artificial's plate method of wastewater treatment, the utility model provides the A/O(aerobic/anaerobic that a kind of employing has international most advanced level) the wood-based plate Waste Water Treatment that is combined to form of biological fluidized bed, through the wood-based plate waste water of this system process, water outlet can reach reuse requirement.
The concrete technical scheme that the utility model is taked is as follows:
A kind of wood-based plate Waste Water Treatment, is characterized in that: comprise materialization separate tank, the equalizing tank that catchments, air supporting reaction tank, distributing trough, anaerobic fluidized bed, hydrolysis fluidized-bed, aerobic fluidized bed, coagulation reaction tank, micro-filtration, O
3oxidizing tower, clean water basin, accident pool, wherein materialization separate tank is provided with the entrance of former water, the outlet of materialization separate tank is connected to the equalizing tank that catchments, the equalizing tank that catchments outlet is connected to air supporting reaction tank, the water route outlet of air supporting reaction tank is connected to distributing trough, the outlet of distributing trough is connected to anaerobic fluidized bed, anaerobic fluidized bed water route outlet is connected to hydrolysis fluidized-bed, anaerobic fluidized bedly also to be connected alternately with accident pool, the water route outlet of hydrolysis fluidized-bed is connected to aerobic fluidized bed, aerobic fluidized bed water route outlet is connected to coagulation reaction tank, the outlet of coagulation reaction tank is connected to micro-filtration, the water route outlet of micro-filtration is connected to O
3oxidizing tower, O
3the outlet of oxidizing tower is connected to clean water basin, and clean water basin are provided with the outlet water route of reuse and outer row.
Described wood-based plate Waste Water Treatment is also provided with sludge treating system, comprise collection mud sump, cyclone separator, sludge thickener, pressure filter, wherein air supporting reaction tank, anaerobic fluidized bed, hydrolysis fluidized-bed, aerobic fluidized bed, micro-filtration road outlet are all connected to collection mud sump, the road outlet of collection mud sump is connected to cyclone separator, the road outlet of cyclone separator is connected to sludge thickener, the road outlet of sludge thickener is connected to pressure filter, by pressure filter, mud is compressed into mud cake.
Described clean water basin are provided with outlet water route and are connected to pressure filter and rinse it.The water route of described cyclone separator, sludge thickener, pressure filter exports all to connect and is back to the equalizing tank that catchments.The equalizing tank that catchments also is provided with the entrance accepting other various reuse waters.
The advantage of wood-based plate Waste Water Treatment of the present utility model is:
1), in native system fluidized-bed, the carrier of small particle size provides the huge specific surface area of the attached growth of dwelling of microorganism, make maintain the microorganism concn much higher compared with Wastewater Treated by Activated Sludge Process system in reactor, 40 ~ 50 g/L can be reached, thus make the volumetric loading of reactor be increased to 2 kg/ (m
3d) more than, very effective to the organism of difficult degradation.
2), the fluidization operating method of native system fluidized-bed creates mass transfer condition good in reactor and the unrivaled mixed characteristic of other reactor, is no matter that all comparatively fixed bed and Wastewater Treated by Activated Sludge Process system are significantly improved for oxygen or the transfer rate of matrix.Especially the advantage of its uniqueness can be embodied in the process of high concentration hard-degraded organic waste water.
3) biomass of 5 ~ 10 times higher than common biological treatment, is maintained in native system fluidized-bed reaction system, in addition good mass transfer condition makes biological fluidized bed greatly reduce at the volume of maintenance with the simultaneous reactions device of conventional biological treatment technique same effect, thus reduce floor space, save the investment in fixed assets of water processing establishment.
4), compared with Wastewater Treated by Activated Sludge Process system, native system has the ability of stronger anti-shock loading, and there is not the problem of sludge bulking.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of wood-based plate Waste Water Treatment of the present utility model.
In figure: 1-materialization separate tank, 2-catchments equalizing tank, and 3-air supporting reaction tank, 4-distributing trough, 5-is anaerobic fluidized bed, and 6-is hydrolyzed fluidized-bed, and 7-is aerobic fluidized bed, 8-coagulation reaction tank, 9-micro-filtration, 10-O
3oxidizing tower, 11-clean water basin, 12-accident pool, 13-collection mud sump, 14-cyclone separator, 15-sludge thickener, 16-pressure filter.
Solid line pipeline in figure represents water route, and two dot chain line pipeline represents road, and arrow represents the flow direction.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, wood-based plate Waste Water Treatment of the present utility model, comprise materialization separate tank 1, the equalizing tank 2 that catchments, air supporting reaction tank 3, distributing trough 4, anaerobic fluidized bed 5, hydrolysis fluidized-bed 6, aerobic fluidized bed 7, coagulation reaction tank 8, micro-filtration 9, O
3oxidizing tower 10, clean water basin 11, accident pool 12, wherein materialization separate tank 1 is provided with the entrance of former water, materialization separate tank 1 outlet is connected to the equalizing tank 2 that catchments, the equalizing tank 2 that catchments outlet is connected to air supporting reaction tank 3, the water route outlet of air supporting reaction tank 3 is connected to distributing trough 4, the outlet of distributing trough 4 is connected to anaerobic fluidized bed 5, the water route outlet of anaerobic fluidized bed 5 is connected to hydrolysis fluidized-bed 6, anaerobic fluidized bed 5 are also connected alternately with accident pool 12, the water route outlet of hydrolysis fluidized-bed 6 is connected to aerobic fluidized bed 7, the water route outlet of aerobic fluidized bed 7 is connected to coagulation reaction tank 8, the outlet of coagulation reaction tank 8 is connected to micro-filtration 9, the water route outlet of micro-filtration 9 is connected to O
3oxidizing tower 10, O
3the outlet of oxidizing tower 10 is connected to clean water basin 11, and clean water basin 11 are provided with the outlet water route of reuse and outer row.Wood-based plate Waste Water Treatment is also provided with sludge treating system, the mud being separated and being precipitated out during process waste water is processed, system comprises collection mud sump 13, cyclone separator 14, sludge thickener 15, pressure filter 16, wherein air supporting reaction tank 3, anaerobic fluidized bed 5, hydrolysis fluidized-bed 6, aerobic fluidized bed 7, the road outlet of micro-filtration 9 is all connected to collection mud sump 13, the road outlet of collection mud sump 13 is connected to cyclone separator 14, the road outlet of cyclone separator 14 is connected to sludge thickener 15, the road outlet of sludge thickener 15 is connected to pressure filter 16, by pressure filter 16, mud is compressed into mud cake, be beneficial to outward transport.Clean water basin 11 are provided with outlet water route and are connected to pressure filter 16 and rinse it.The water route of cyclone separator 14, sludge thickener 15, pressure filter 16 exports all to connect and is back to the equalizing tank 2 that catchments, and the equalizing tank 2 that catchments also is provided with the entrance accepting other various reuse waters.
Based on the wood-based plate waste water treatment process that above-mentioned wood-based plate Waste Water Treatment is formed, comprise the following steps:
1), all waste water enters materialization separate tank 1 by gravity flow, and through screen cloth removing foreign material and macrobead suspended substance, by sand setting disgorging, realize physical sepn, isolated grid slag reuse can do fuel after airing.
2), the water outlet of materialization separate tank 1 enters the equalizing tank 2 that catchments, carry out water yield peak regulation with all and water quality.
3), catchment equalizing tank 2 water outlet by be pumped into Ni Keni pump drive air supporting reaction tank 3, enter distributing trough 4 again, in distributing trough 4, by metering, waste water is delivered to anaerobic fluidized bed 5 with stable flow, the wastewater flow rate entering anaerobic reactor can by carrying out cushioning and regulating with anaerobic fluidized bed 5 accident pools 12 be connected alternately.When air supporting reaction exceedes anaerobic fluidized bed 5 anaerobic reactor limitation water inlet, the waste water exceeded can enter accident pool 12, and when air supporting is shut down, accident pool 12 can continue to supply water to anaerobic fluidized bed 5.
4), waste water through anaerobic fluidized bed 5, hydrolysis fluidized-bed 6, biological synthesis process is carried out in aerobic fluidized bed 7 three grades of fluidized-beds combination.
5) water outlet, after three grades of fluidized-bed combination biological treatments is again through coagulation reaction tank 8 coagulation, micro-filtration 9 micro-filtration and O
3the synergy that oxidizing tower 10 is oxidized and adsorbs, makes total effluent index lower than the limit value of national standard reference, can fully recovering in production, reach water-saving target.
6) the air supporting reaction tank 3, in step 3,4,5, anaerobic fluidized bed 5, hydrolysis fluidized-bed 6, aerobic fluidized bed 7, micro-filtration 9 the mud that is separated and is precipitated out concentrate to be disposed to and collect mud sump 13, then mud-water separation is being carried out through cyclone separator 14 pairs of mud, concentrate through sludge thickener 15 pairs of mud again, finally through pressure filter 16, mud is compressed into mud cake again and transports outward.
7), diversion can carry out from clean water basin for the flushing of pressure filter 16 in step 6, the rinse water that the sewage separated from cyclone separator 14, sludge thickener 15 precipitate supernatant liquor and the pressure filter 16 produced can be back to by pipeline the equalizing tank 2 that catchments and use.
After using this wood-based plate Waste Water Treatment and technique to process wood-based plate waste water, every pollutent index of clean water basin water outlet is: COD
cr≤ 100 mg/L, colourity≤50 mg/L, BOD
5≤ 20 mg/L, SS≤70 mg/L, ammonia nitrogen≤15 mg/L.Water-quality guideline reaches the first discharge standard in GB8978-1996 GB, can be back to production.
Claims (3)
1. a wood-based plate Waste Water Treatment, is characterized in that: comprise materialization separate tank (1), the equalizing tank that catchments (2), air supporting reaction tank (3), distributing trough (4), anaerobic fluidized bed (5), hydrolysis fluidized-bed (6), aerobic fluidized bed (7), coagulation reaction tank (8), micro-filtration (9), O
3oxidizing tower (10), clean water basin (11), accident pool (12), wherein materialization separate tank (1) is provided with the entrance of former water, materialization separate tank (1) outlet is connected to the equalizing tank that catchments (2), the equalizing tank (2) that catchments outlet is connected to air supporting reaction tank (3), the water route outlet of air supporting reaction tank (3) is connected to distributing trough (4), the outlet of distributing trough (4) is connected to anaerobic fluidized bed (5), the water route outlet of anaerobic fluidized bed (5) is connected to hydrolysis fluidized-bed (6), anaerobic fluidized bed (5) are also connected alternately with accident pool (12), the water route outlet of hydrolysis fluidized-bed (6) is connected to aerobic fluidized bed (7), the water route outlet of aerobic fluidized bed (7) is connected to coagulation reaction tank (8), the outlet of coagulation reaction tank (8) is connected to micro-filtration (9), the water route outlet of micro-filtration (9) is connected to O
3oxidizing tower (10), O
3the outlet of oxidizing tower (10) is connected to clean water basin (11), and clean water basin (11) are provided with the outlet water route of reuse and outer row.
2. wood-based plate Waste Water Treatment according to claim 1, it is characterized in that: this system is also provided with sludge treating system, comprise collection mud sump (13), cyclone separator (14), sludge thickener (15), pressure filter (16), wherein air supporting reaction tank (3), anaerobic fluidized bed (5), hydrolysis fluidized-bed (6), aerobic fluidized bed (7), the road outlet of micro-filtration (9) is all connected to collection mud sump (13), the road outlet of collection mud sump (13) is connected to cyclone separator (14), the road outlet of cyclone separator (14) is connected to sludge thickener (15), the road outlet of sludge thickener (15) is connected to pressure filter (16), by pressure filter (16), mud is compressed into mud cake.
3. wood-based plate Waste Water Treatment according to claim 2, is characterized in that: described clean water basin (11) are provided with outlet water route and are connected to pressure filter (16) and rinse it; The water route of described cyclone separator (14), sludge thickener (15), pressure filter (16) exports all to connect and is back to the equalizing tank that catchments (2), and the equalizing tank that catchments (2) is also provided with the entrance accepting other various reuse waters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600096.0U CN204111541U (en) | 2014-10-17 | 2014-10-17 | A kind of wood-based plate Waste Water Treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600096.0U CN204111541U (en) | 2014-10-17 | 2014-10-17 | A kind of wood-based plate Waste Water Treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204111541U true CN204111541U (en) | 2015-01-21 |
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ID=52328875
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600096.0U Withdrawn - After Issue CN204111541U (en) | 2014-10-17 | 2014-10-17 | A kind of wood-based plate Waste Water Treatment |
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| CN (1) | CN204111541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261634A (en) * | 2014-10-17 | 2015-01-07 | 南宁金科环境工程有限公司 | Artificial board wastewater treatment system and technology |
-
2014
- 2014-10-17 CN CN201420600096.0U patent/CN204111541U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261634A (en) * | 2014-10-17 | 2015-01-07 | 南宁金科环境工程有限公司 | Artificial board wastewater treatment system and technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |