CN202080940U - Enhanced dephosphorization reactor - Google Patents
Enhanced dephosphorization reactor Download PDFInfo
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- CN202080940U CN202080940U CN2011201484070U CN201120148407U CN202080940U CN 202080940 U CN202080940 U CN 202080940U CN 2011201484070 U CN2011201484070 U CN 2011201484070U CN 201120148407 U CN201120148407 U CN 201120148407U CN 202080940 U CN202080940 U CN 202080940U
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- reaction zone
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- dephosphorization
- mixing section
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000010802 sludge Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 230000001376 precipitating effect Effects 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 13
- 239000011574 phosphorus Substances 0.000 abstract description 13
- 239000002351 wastewater Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 238000002425 crystallisation Methods 0.000 abstract description 7
- 230000008025 crystallization Effects 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 6
- 238000005189 flocculation Methods 0.000 abstract description 4
- 230000016615 flocculation Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 229940079593 drug Drugs 0.000 abstract 2
- 238000005345 coagulation Methods 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 238000009388 chemical precipitation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005221 zone crystallization Methods 0.000 description 1
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Abstract
The utility model discloses an enhanced dephosphorization reactor, wherein a reactor body is sequentially provided with a water distribution area, a reaction area and a precipitation area from the bottom up; the lower part of the water distribution area is provided with a return sludge hopper; the upper part of the return sludge hopper is provided with a mixing chamber; the center of the return sludge hopper is provided with a jet flow water inlet apparatus; the reaction area is sequentially provided with a first reaction area, a second reaction area and a third reaction area from inside to outside; the lower part of the first reaction area is provided with a drug inlet pipe; the precipitation area is sequentially provided with a sludge discharge outlet, a precipitation sludge hopper, a sludge precipitation chamber, an overflow weir and a water outlet from the bottom up; and the upper part of the overflow weir is provided with a sawtooth-shaped overflow mouth. The reactor integrates coagulation dephosphorization, flocculation dephosphorization and crystallization dephosphorization. All units are complementary in function, the structure is compact and floor occupation area is small. Water inlet by jet flow enhances the mixing effect of waste water and drugs and pushes precipitated sludge to flow back for reuse so that the dephosphorization effect is enhanced. Crystallization column layer filtration and inverted triangle settlement separation of the precipitation area cooperate with each other. The separation effect of solid and liquid is fine and the phosphorus content in precipitated sludge is high.
Description
Technical field
The utility model relates to a kind of treatment reactor of phosphorus-containing wastewater, relates in particular to a kind of reinforced phosphor-removing reactor.
Background technology
China's water pollution problems is very serious, and in main lake, the eutrophic lake due to the nitrogen and phosphorus pollution accounts for more than 50%, and the financial loss that annual " wawter bloom " and " red tide " causes is up to over ten billion Yuan.Phosphorus-containing wastewater is increasing on the one hand, and the environmental pollution and the ecological damage that cause constantly aggravate; On the other hand, the circulation of natural phosphoric is not exclusively circulation, except that birds droppings with bird migration and ocean fish people for fishing for, phosphorus is not got back to the approach on land once more.According to estimates, by existing recovery rate, the phosphate rock resource in the whole world can only be kept 100 ~ 250 years.Therefore, waste water dephosphorization and resource utilization thereof are recycled, and have become the key subjects of environment and resources domain.
Chemical precipitation dephosphorization method is a kind of important waste water dephosphorization technology.Shortcomings such as practical discovery the, traditional chemical precipitation dephosphorization method exist that sedimentation speed is slow, solid-liquid separation is poor, moisture percentage in sewage sludge height, phosphorus content are low, processed complexity.Chemicrystallization dephosphorization method mainly contains the MAP(struvite) crystallization process and HAP(lime carbonate) the crystallizing-dephosphorizing method, these class methods can be removed phosphorus, can reclaim phosphorus again, are subjected to the favor of academia and industrial community.But chemicrystallization dephosphorization method complicated operation, the running cost height, up to the present most of research still rests on the laboratory aspect, rarely has engineering to use.The biological phosphate-eliminating method is one of the research of wastewater treatment in recent years focus.Studies show that, the biological phosphate-eliminating method exist to the waste water composition require that high (C: N: P=could satisfy the demand of functional microorganism at 100: 5: 1), dephosphorization efficiency by using are low, operation stability and handiness is relatively poor, excess sludge is handled and dispose problem such as difficulty.
Chemical precipitation dephosphorization method and chemicrystallization dephosphorization method are united two into one, and exploitation reinforced phosphor-removing reactor not only can simplified apparatus, reduces cost of investment; Strengthen the waste water dephosphorization effect, reduce working cost; Improve the precipitating sludge phosphorus content, further realize phosphor resource is recycled, and operational safety, control is convenient, is applicable to all kinds of treatment of Phosphorus Containing Waste Water.
Summary of the invention
The utility model purpose is to overcome the deficiencies in the prior art, and a kind of reinforced phosphor-removing reactor is provided.
A kind of reinforced phosphor-removing reactor body is provided with cloth pool, reaction zone and settling region from top to bottom in turn, bottom, cloth pool is provided with the returned sluge bucket, returned sluge bucket top is provided with mixing section, returned sluge bucket center is provided with jet water inlet device, one end of jet water inlet device extend into mixing section top, the bottom that the other end of jet water inlet device stretches out the returned sluge bucket; Reaction zone from inside to outside is provided with first reaction zone, second reaction zone and the 3rd reaction zone in turn, and connects, and the first reaction zone bottom is provided with drug-feeding tube, and mixing section links to each other with the first reaction zone bottom; The settling region is provided with mud discharging mouth, precipitating sludge bucket, sludge settling chamber, overflow weir and water outlet from top to bottom in turn, and overflow weir top is provided with the prionodont overflow port, and the 3rd reaction zone upper end links to each other with precipitating sludge bucket lower end.
Described a kind of reinforced phosphor-removing reactor is a cylindrical appliance.Described jet water inlet device extend into 1/3 ~ 1/4 place, mixing section top; The mixing section and the first reaction zone sectional area ratio are 1.5 ~ 3.0: 1.0.Described first reaction zone, second reaction zone and the 3rd reaction zone are concentric drums, and the three is highly equal; First reaction zone, second reaction zone and the 3rd reaction zone sectional area ratio are 1.0: 11.0: 8.0; Inverted triangle is adopted in described precipitating sludge bucket bottom, and its base angle is 55 °, and returned sluge bucket base angle β is 50 °, and mixing section base angle γ is 45 °.
The beneficial effect that the utility model compared with prior art has: 1) reactor is divided into cloth pool, three unit of reaction zone and settling region from top to bottom, and adjacent cells has complementary functions, compact construction, and floor space is little; 2) adopt the jet water inlet, strengthen waste water and medicament mixed effect, and the backflow of promotion precipitating sludge enters reaction zone, reinforced phosphor-removing effect; 3) reaction zone is divided into first reaction zone, second reaction zone and the 3rd reaction zone, will condense dephosphorization, flocculation dephosphorization and crystallizing-dephosphorizing and be melted into a whole; 4) reaction zone crystallization post layer filters and the settlement separate synergy of settling region inverted triangle, good effect of separating solid from liquid; 5) mud is after backflow, the filtration of crystallization post layer etc. act on repeatedly in the reactor, and phosphorus content improves, and helps phosphor resource and recycles; 6) the settling region overflow weir adopts the zig-zag crest of weir, can guarantee that the settling region fluidised form is even.
Description of drawings
Fig. 1 is a reinforced phosphor-removing structure of reactor synoptic diagram;
Fig. 2 is a reinforced phosphor-removing structure of reactor A-A sectional view
Among the figure: jet water inlet device 1, returned sluge bucket 2, mixing section 3, drug-feeding tube 4, first reaction zone 5, second reaction zone 6, the 3rd reaction zone 7, precipitating sludge bucket 8, sludge settling chamber 9, water outlet 10, overflow weir 11, mud discharging mouth 12, base 13.
Embodiment
As Fig. 1, shown in 2, a kind of reinforced phosphor-removing reactor body is provided with cloth pool I from top to bottom in turn, reaction zone II and settling region III, I bottom, cloth pool is provided with returned sluge bucket 2, returned sluge bucket 2 tops are provided with mixing section 3, returned sluge bucket 2 centers are provided with jet water inlet device 1, one end of jet water inlet device 1 extend into mixing section 3 tops, the bottom that the other end of jet water inlet device 1 stretches out returned sluge bucket 2, reaction zone II from inside to outside is provided with first reaction zone 5 in turn, second reaction zone 6 and the 3rd reaction zone 7, and connect, first reaction zone, 5 bottoms are provided with drug-feeding tube 4, mixing section 3 links to each other with first reaction zone, 5 bottoms, settling region III is provided with mud discharging mouth 12 from top to bottom in turn, precipitating sludge bucket 8, sludge settling chamber 9, overflow weir 11 and water outlet 10, overflow weir 11 tops are provided with the prionodont overflow port, and the 3rd reaction zone 7 upper ends link to each other with precipitating sludge bucket 8 lower ends.
Described jet water inlet device 1 extend into 1/3 ~ 1/4 place, mixing section 3 tops; Mixing section 3 and first reaction zone, 5 sectional area ratios are 1.5 ~ 3.0: 1.0.Described first reaction zone 5, second reaction zone 6 and the 3rd reaction zone 7 are concentric drums, and the three is highly equal; First reaction zone 5, second reaction zone 6 and the 3rd reaction zone 7 sectional area ratios are 1.0: 11.0: 8.0; Inverted triangle is adopted in described precipitating sludge bucket 8 bottoms, and its base angle is 55 °, and returned sluge bucket 2 base angle β are 50 °, and mixing section 3 base angle γ are 45 °.
A kind of reinforced phosphor-removing reactor can be made of PVC plate and steel plate, its working process is as follows: phosphorus-containing wastewater is entered in the mixing section 3 through jet water inlet device 1 by cloth pool I bottom, high speed water fails to be convened for lack of a quorum and form negative pressure in mixing section 3, mud in the returned sluge bucket 2 is sucked in the mixing section 3, and enter first reaction zone 5 with the water inlet fusion; Mud mixture utilizes the effect and the precipitation agent thorough mixing of jet water inlet device 1 high velocity flow in first reaction zone 5, carry out the aggregation dephosphorization, enters second reaction zone 6 through first reaction zone, 5 tops; Because second reaction zone, 6 sectional areas increase, flow velocity is slowed down in second reaction zone 6, promote throw out by the flocculation reaction dephosphorization, the sedimentation of the throw out of a generation part enters returned sluge bucket 2, and another part enters the 3rd reaction zone 7 through second reaction zone, 6 bottoms; Throw out flco or mud accumulate and form throw out crystallization post layer in the 3rd reaction zone 7, phosphorus-containing wastewater is process throw out crystallization post layer in the 3rd reaction zone 7, carry out the crystallization reaction dephosphorization, and carry out solid-liquid separation, enter settling region III through the 3rd reaction zone 7 tops; Mud mixture is settlement separate in settling region III, and clarification back waste water is discharged by water outlet 10 through overflow weir 11, and mud refluxes through precipitating sludge bucket 8 inverted triangle bottom surfaces to enter in the 3rd reaction zone 7 and further utilizes after separating; Throw out run up to a certain amount of after, discharge by mud discharging mouth 12.
The key of reaction zone II reinforced phosphor-removing is flow rate control in the utility model.Design by jet water inlet device 1 and first reaction zone 5, second reaction zone 6, the 3rd reaction zone 7 sectional area ratios, the control throw out first reaction zone 5 in on mobile, slowly sedimentation downwards in second reaction zone 6, in the 3rd reaction zone 7, be in fluidized state, reach the effect of cohesion dephosphorization, flocculation dephosphorization and crystallizing-dephosphorizing respectively.Strengthen its phosphor-removing effect by the design of reaction zone II inner circulation structure.
Claims (4)
1. reinforced phosphor-removing reactor, it is characterized in that: reactor body is provided with cloth pool (I), reaction zone (II) and settling region (III) from top to bottom in turn, bottom, cloth pool (I) is provided with returned sluge bucket (2), returned sluge bucket (2) top is provided with mixing section (3), returned sluge bucket (2) center is provided with jet water inlet device (1), one end of jet water inlet device (1) extend into mixing section (3) top, and the other end of jet water inlet device (1) stretches out the bottom of returned sluge bucket (2); Reaction zone (II) from inside to outside is provided with first reaction zone (5), second reaction zone (6) and the 3rd reaction zone (7) in turn, and connects, and first reaction zone (5) bottom is provided with drug-feeding tube (4), and mixing section (3) links to each other with first reaction zone (5) bottom; Settling region (III) is provided with mud discharging mouth (12), precipitating sludge bucket (8), sludge settling chamber (9), overflow weir (11) and water outlet (10) from top to bottom in turn, overflow weir (11) top is provided with the prionodont overflow port, and the 3rd reaction zone (7) upper end links to each other with precipitating sludge bucket (8) lower end.
2. a kind of reinforced phosphor-removing reactor according to claim 1 is characterized in that: described jet water inlet device (1) extend into 1/3～1/4 place, mixing section (3) top; Mixing section (3) is 1.5～3.0: 1.0 with first reaction zone (5) sectional area ratio.
3. a kind of reinforced phosphor-removing reactor according to claim 1 is characterized in that: described first reaction zone (5), second reaction zone (6) and the 3rd reaction zone (7) are concentric drums, and the three is highly equal; First reaction zone (5), second reaction zone (6) and the 3rd reaction zone (7) sectional area ratio are 1.0: 11.0: 8.0.
4. a kind of reinforced phosphor-removing reactor according to claim 1 is characterized in that: inverted triangle is adopted in described precipitating sludge bucket (8) bottom, and its base angle is 55 °, and returned sluge bucket (2) base angle β is 50 °, and mixing section (3) base angle γ is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201484070U CN202080940U (en) | 2011-05-11 | 2011-05-11 | Enhanced dephosphorization reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201484070U CN202080940U (en) | 2011-05-11 | 2011-05-11 | Enhanced dephosphorization reactor |
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| Publication Number | Publication Date |
|---|---|
| CN202080940U true CN202080940U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201484070U Expired - Lifetime CN202080940U (en) | 2011-05-11 | 2011-05-11 | Enhanced dephosphorization reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225799A (en) * | 2011-05-11 | 2011-10-26 | 浙江大学 | Enhanced dephosphorization reactor |
| CN103755071A (en) * | 2014-01-10 | 2014-04-30 | 安徽锋亚环境技术有限公司 | Emergency phosphorus removal adsorption device for micro eutrophication of urban landscape water |
| CN104761037A (en) * | 2015-04-23 | 2015-07-08 | 苏州依斯倍环保装备科技有限公司 | Phosphorous removal crystallizing reactor |
| CN104843902A (en) * | 2015-05-15 | 2015-08-19 | 浙江大学 | Integrated biological vector dephosphorizing reactor |
-
2011
- 2011-05-11 CN CN2011201484070U patent/CN202080940U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225799A (en) * | 2011-05-11 | 2011-10-26 | 浙江大学 | Enhanced dephosphorization reactor |
| CN103755071A (en) * | 2014-01-10 | 2014-04-30 | 安徽锋亚环境技术有限公司 | Emergency phosphorus removal adsorption device for micro eutrophication of urban landscape water |
| CN103755071B (en) * | 2014-01-10 | 2015-12-30 | 安徽锋亚环境技术有限公司 | For the emergent dephosphorization adsorption unit of micro-eutrophication city landscape water body |
| CN104761037A (en) * | 2015-04-23 | 2015-07-08 | 苏州依斯倍环保装备科技有限公司 | Phosphorous removal crystallizing reactor |
| CN104843902A (en) * | 2015-05-15 | 2015-08-19 | 浙江大学 | Integrated biological vector dephosphorizing reactor |
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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: 20111221 Effective date of abandoning: 20121003 |