CN203333372U - Sewage biochemistry pretreatment device - Google Patents
Sewage biochemistry pretreatment device Download PDFInfo
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- CN203333372U CN203333372U CN2013204116559U CN201320411655U CN203333372U CN 203333372 U CN203333372 U CN 203333372U CN 2013204116559 U CN2013204116559 U CN 2013204116559U CN 201320411655 U CN201320411655 U CN 201320411655U CN 203333372 U CN203333372 U CN 203333372U
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- Prior art keywords
- oxidation district
- once
- district
- settling region
- once oxidation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model relates to a process and device for domestic sewage biochemistry pretreatment, and discloses a sewage biochemistry pretreatment device which solves a key problem in a pretreatment state of small domestic sewage on-the-spot treatment and achieves environmental protection up-to-standard discharge in sewage treatment. Compared with the prior art, the sewage biochemistry pretreatment device has the advantages that a biological padding flowing layer and a biological padding fixed layer are combined well according to advantages of the biological padding flowing layer and the biological padding fixed layer, good treatment effect can be achieved in a large load range, resistance to impact load capacity is strong, filling rates can be selected easily, filling ratios can be selected according to needs, and water yield change demands can be met.
Description
Technical field
The utility model relates to the biochemical pretreatment unit of a kind of sewage, is applied to the miniaturization domestic sewage processing system, for solving the side area problem of environmental pollution that for want of sewage network causes.
Background technology
At present, domestic big-and-middle-sized sewage work applies more domestic sewage treatment process, and technology maturation is reliable, and treatment effect is good.But, the sewage disposal of the biotope that can not cover for urban drainage pipe network, hotel, holiday village, the base of recuperating, scenic spot, army frontier sentry, use be the buried under earth type sewage treatment facility mostly.But, from practical situations, this technology also comes with some shortcomings, as invested, working cost is higher, service life of equipment is short, be unfavorable for maintenance, water quality is unstable etc.The biochemical pretreatment unit of the utility model sanitary sewage is to solve the gordian technique that the miniaturization sanitary sewage is processed pretreatment stage on the spot, improves on the basis of existing technology, to realize the qualified discharge of sewage disposal.
Summary of the invention
The purpose of this utility model is to provide the biochemical pretreated technique of a kind of Novel domestic sewage and device, in order to solve away from urban pipe network area small-scale sanitary sewage disposal qualified discharge problem.
The technical scheme that the utility model adopts is: this device comprises once oxidation district 13,14, settling region, secondary oxidation district 10, and once oxidation district 13,14, settling region, secondary oxidation district 10 are connected as a single entity successively, once oxidation district 13 is connected by lifting hydrophone 8 with secondary oxidation district 14, and 14Yu settling region 10, secondary oxidation district is connected by weir flow sieve 9, and settling region 10 is connected by return line 11 with once oxidation district 13, sanitary sewage water inlet pipe 1 is positioned at 13 tops, once oxidation district, biologic packing material fluidised bed a2-1 is positioned at 13 liquid level tops, once oxidation district, below biofilter material fluidised bed a2-1, water distribution layer 3 is set, biologic packing material immovable bed 4 is set below water distribution layer 3, biologic packing material supporting layer 5 is set below biologic packing material immovable bed 4, water-yielding stratum 6 is positioned at 13 liquid level bottoms, once oxidation district, hydrophone 8 is lifted in water-yielding stratum 6 configurations, aerator a7-1 is positioned at 13 bottoms, once oxidation district, secondary oxidation district 14 intakes in top by lifting hydrophone 8, biologic packing material fluidised bed b2-2 is positioned at 14 liquid level tops, secondary oxidation district, weir flow sieve 9 is positioned at 14 tops, secondary oxidation district, aerator b7-2 is positioned at 14 bottoms, secondary oxidation district, settling region 10 is intake in top by weir flow sieve 9, the vent pipe 12 of purifying waste water is positioned at 10 tops, settling region, return line 11 is positioned at 10 tops, settling region and is connected with once oxidation district 13, upflow tube 15 is positioned at 14 tops, once oxidation district, vapor pipe a16-1 is positioned at 13 tops, once oxidation district, vapor pipe b16-2 is positioned at 14 tops, secondary oxidation district, inspection port a17-1 is positioned at 13 tops, once oxidation district, inspection port b17-2 is positioned at 14 tops, secondary oxidation district, inspection port c17-3 is positioned at 10 tops, settling region.
The utility model device is shaped as circular or square, and structure is steel or Steel Concrete.
The utility model once oxidation district 13 carries by lifting hydrophone 8 with secondary oxidation district liquid.
The utility model device comprises once oxidation district, secondary oxidation district, settling region.When once oxidation district biologic packing material is flowing in aeration, the filler of floating attached microbial is moved freely along with the convolution inverting action of mixed solution, continuous renewal, sufficient bioelectric interface are provided, thereby reach wastewater treatment efficiency preferably, the bottom biologic packing material is fixedly biomembranous carrier, have the effect of holding back suspended matter simultaneously concurrently, the water quality treatment amount is improved.By lifting hydrophone, once oxidation district treatment solution is delivered to the secondary oxidation district.When secondary oxidation district biologic packing material is flowing in aeration, the biomembranous packing density of having grown is because approaching with water, and filler relies on the stirring action of aeration, in flow state.Sewage is contacted continually with the microbial film on filler, and filler cuts bubble in flow process, makes gas distribution more even, and coefficient of oxygen utilization is improved.The treatment solution of processing through the secondary oxidation district sieves and flows into settling region by weir flow, through flat flow, discharges supernatant water.Reaching in certain pollutants removal rate situation, the residence time of sewage in pond is shorter than traditional biological contact oxidation method, and simultaneously, the ability of anti impulsion load is strengthened.
The utility model well combines biologic packing material (flowing) layer and biologic packing material (fixing) layer according to intrinsic advantage, can obtain good treatment effect in larger load range, capacity of resisting impact load is strong, filling ratio is easily selected, the Selective filling ratio, meet the water yield and change requirement as required.
The accompanying drawing explanation
Fig. 1 process flow diagram
In figure: 1. water inlet pipe, 2-1. biologic packing material fluidised bed a, 2-2. biologic packing material fluidised bed b, 3. water distribution layer, 4. biologic packing material immovable bed, 5. biologic packing material supporting layer, 6. water-yielding stratum, 7-1. aeration tube a, 7-2. aeration tube b, 8. lift hydrophone, 9. weir flow sieve, 10. settling region, 11. return line, 12. supernatant water vent pipes, 13. once oxidation districts, 14. secondary oxidation districts, 15. upflow tube, 16-1. vapor pipe a, 16-2. vapor pipe b, 17-1. inspection port a, 17-2. inspection port b, 17-3. inspection port c.
Embodiment
The combined process schematic flow sheet specifically describes principle of the present utility model, workflow and preferred forms:
Example 1:
In Fig. 1, sanitary sewage flows into once oxidation district 13 through water inlet pipe 1, in once oxidation district 13, by aeration tube a7-1 aeration, through combined bio filler fluidised bed a2-1 and biologic packing material immovable bed 4 bio-oxidations and physics, hold back, collect in water-yielding stratum 6 and be delivered to secondary oxidation district 14 by lifting hydrophone 8, in secondary oxidation district 14 by aeration tube b7-2 aeration with after biologic packing material fluidised bed b2-2 microbial film frequently contacts bio-oxidation, sieve 9 weir flows to settling region 10 through weir flow, discharged by supernatant water vent pipe 12 by flat flow.By lifting hydrophone 8 transport process treatment solutions, have liquid level difference between once oxidation district 13 and secondary oxidation district 14, return line 11 is contour with supernatant water vent pipe 12, and the part supernatant water is back to once oxidation district 13 and carries out nitration reaction.Upflow tube 15 is positioned at once oxidation district 13, and liquid level is lower than return line 11 liquid levels.Venting hole a16-1, venting hole b16-2 are arranged at once oxidation district 13,14 tops, secondary oxidation district, and inspection port a17-1, inspection port b17-2, inspection port c17-3 are arranged at once oxidation district 13,10 tops, 14, settling region, secondary oxidation district.This device is shaped as circle, and structure is steel.
Certain army's post sanitary sewage comprehensive treating process, be 20 ton per days in the situation that process the sanitary sewage scale, and after the utility model technical finesse, treatment effect is in Table 1.Biochemical pretreatment unit water outlet BOD
5accounting for more than 82% below 15mg/L accounts for 68%, water outlet BOD below 10mg/L
5basically all be less than 20mg/L, the SS water outlet all is less than 25mg/L.As can be seen here, after the utility model technical finesse, sewage discharge can meet the existing sewage drainage standard in Beijing.
Table 1 is used the clearance of the biochemical pretreatment unit after stain of sewage thing
| Analysis project | Water inlet | Water outlet | Clearance/% | Beijing's sewage discharge secondary limit value |
| The pH value | 7.25 | 7.1 | ? | 6～9 |
| Colourity/degree | 52 | 1.0 | 98 | 50 |
| BOD 5/(mg/L) | 293 | 12.8 | 95.6 | 20 |
| SS/(mg/L) | 243 | 24 | 90.1 | 50 |
| Total plate count/(individual/mL) | 10 9 | 230 | 99.9 | - |
| Coliform number/(individual/L) | 10 4 | 70 | 99 | - |
Claims (3)
1. the biochemical pretreatment unit of a sewage, it is characterized in that this device comprises once oxidation district (13), secondary oxidation district (14), settling region (10), once oxidation district (13), secondary oxidation district (14), settling region (10) are connected as a single entity successively, once oxidation district (13) is connected by lifting hydrophone (8) with secondary oxidation district (14), secondary oxidation district (14) is connected by weir flow sieve (9) with settling region (10), and settling region (10) are connected by return line (11) with once oxidation district (13), sanitary sewage water inlet pipe (1) is positioned at top, once oxidation district (13), biologic packing material fluidised bed a (2-1) is positioned at liquid level top, once oxidation district (13), water distribution layer (3) is set below biofilter material fluidised bed a (2-1), biologic packing material immovable bed (4) is set below water distribution layer (3), biologic packing material supporting layer (5) is set below biologic packing material immovable bed (4), water-yielding stratum (6) is positioned at liquid level bottom, once oxidation district (13), hydrophone (8) is lifted in water-yielding stratum (6) configuration, aerator a (7-1) is positioned at bottom, once oxidation district (13), secondary oxidation district (14) intakes in top by lifting hydrophone (8), biologic packing material fluidised bed b (2-2) is positioned at liquid level top, secondary oxidation district (14), weir flow sieve (9) is positioned at top, secondary oxidation district (14), aerator b (7-2) is positioned at bottom, secondary oxidation district (14), settling region (10) is intake in top by weir flow sieve (9), the vent pipe (12) of purifying waste water is positioned at top, settling region (10), return line (11) is positioned at top, settling region (10) and is connected with once oxidation district (13), upflow tube (15) is positioned at top, once oxidation district (14), vapor pipe a (16-1) is positioned at top, once oxidation district (13), vapor pipe b (16-2) is positioned at top, secondary oxidation district (14), inspection port a (17-1) is positioned at top, once oxidation district (13), check that b (17-2) is positioned at top, secondary oxidation district (14), inspection port c (17-3) is positioned at top, settling region (10).
2. device according to claim 1, is characterized in that this device is shaped as circular or square, and structure is steel or Steel Concrete.
3. device according to claim 1, is characterized in that once oxidation district (13) and secondary oxidation district liquid pass through to lift hydrophone (8) and carries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204116559U CN203333372U (en) | 2013-07-11 | 2013-07-11 | Sewage biochemistry pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204116559U CN203333372U (en) | 2013-07-11 | 2013-07-11 | Sewage biochemistry pretreatment device |
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| Publication Number | Publication Date |
|---|---|
| CN203333372U true CN203333372U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204116559U Expired - Fee Related CN203333372U (en) | 2013-07-11 | 2013-07-11 | Sewage biochemistry pretreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276718A (en) * | 2013-07-11 | 2015-01-14 | 中国人民解放军环境科学研究中心 | Biochemical pretreatment device of sewage |
-
2013
- 2013-07-11 CN CN2013204116559U patent/CN203333372U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276718A (en) * | 2013-07-11 | 2015-01-14 | 中国人民解放军环境科学研究中心 | Biochemical pretreatment device of sewage |
| CN104276718B (en) * | 2013-07-11 | 2017-02-22 | 中国人民解放军环境科学研究中心 | Biochemical pretreatment device of sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |