CN205187980U - Circulation formula sewage treatment composite set - Google Patents
Circulation formula sewage treatment composite set Download PDFInfo
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- CN205187980U CN205187980U CN201521005220.XU CN201521005220U CN205187980U CN 205187980 U CN205187980 U CN 205187980U CN 201521005220 U CN201521005220 U CN 201521005220U CN 205187980 U CN205187980 U CN 205187980U
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- sewage treatment
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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 provides a pair of circulation formula sewage treatment composite set, including ozone contact circulation oxidation reactor and circulation bioreactor, ozone contact circulation oxidation reactor and circulation bioreactor are linked together. The utility model is not only simple in structure, small, sewage treatment is efficient, with low costs moreover, convenient to popularize and use.
Description
Technical field
The utility model relates to environmental protection equipment, particularly relates to a kind of circulation type sewage treatment combination fixture.
Background technology
Trade effluent thing causes the principal element of China's water pollutions, and in each industrial trade, some COD of sewage value is high but dark thing degradation property is very low, be difficult to directly to pass through biology aerobic or anaerobic treatment up to standard.For this type of sewage, comparatively cost-effective technique is first oxidized by hardly degraded organic substance wherein by chemical method, improves its biodegradability, and reduce COD value.In various oxidation style, O3 contacted oxidation treatment effect is good, cost is low, is conventional a kind of sewage water treatment method.
But in prior art, biological or chemical multistage treatment method is normally adopted to lower the COD value of sewage, owing to adopting multiple-stage treatment in this kind of method, not only the equipment volume of every grade is all very large, and complex structure, not only processing efficiency is low for a whole set of sewage disposal device, and cost is very high, is unfavorable for promoting the use of of equipment.
Utility model content
For the defect of above-mentioned prior art and the technical problem of existence, the utility model provides a kind of circulation type sewage treatment combination fixture, and this apparatus structure is simple, volume is little, and sewage treating efficiency is high, cost is low.
The technical scheme realizing above-mentioned purpose is:
A kind of circulation type sewage treatment combination fixture of the present utility model, comprises ozone contact formula circulation oxidation reactor and circulation bioreactor, and described ozone contact formula circulation oxidation reactor is connected with circulation bioreactor.
Further improvement of the utility model is, described ozone contact formula circulation oxidation reactor comprises the first reactor body, first water inlet pipe, first inlet pipe, ejector nozzle, water pump, first rising pipe and first outlet pipe, described ejector nozzle is arranged on the inwall of the first reactor body, described first water inlet pipe, one end of first inlet pipe is all connected with ejector nozzle, the other end of described first inlet pipe is communicated with source of the gas, one end of described first rising pipe is connected with the first reactor body, the other end of described first water inlet pipe is connected with the other end of the first rising pipe, described first rising pipe establish branch road to be connected with circulation bioreactor, described first outlet pipe is connected with the first reactor body, described water pump is arranged on the first rising pipe.
Further improvement of the utility model is, described circulation bioreactor comprises the second reactor body, the second water inlet pipe, the second inlet pipe, gas jet, the second rising pipe and second exhaust pipe, one end of described second water inlet pipe is connected with the branch road of the first rising pipe, the other end is connected with described second reactor body, described gas jet is arranged on the inwall of the second reactor body, described second inlet pipe is connected with gas jet, and described second rising pipe, second exhaust pipe are all connected with the second reactor body.
Further improvement of the utility model is, described ejector nozzle is made up of the inner and outer tubes coaxially arranged, and described outer tube sleeve is loaded on outside interior pipe, and described outer tube is connected with the first inlet pipe, and described interior pipe is connected with the first water inlet pipe.
Further improvement of the utility model is, one end of described second rising pipe is set in outside gas jet, and is connected with described second reactor body, and the other end is used for draining.
Further improvement of the utility model is, also comprises interchanger, and described interchanger is arranged on the first water inlet pipe and/or the first rising pipe.
Further improvement of the utility model is, described ejector nozzle is arranged in the top inner wall of the first reactor body.
Further improvement of the utility model is, described gas jet is arranged at the bottom of the second reactor body, and the length being set in the second rising pipe end outside described gas jet is less than the length of gas jet.
Further improvement of the utility model is, also comprises guide shell, and described guide shell is arranged in the second reactor body.
The utility model is owing to have employed above technical scheme, and making it have following beneficial effect is:
1, the waste disposal plant that the utility model provides is the sewage treatment combination fixture that a kind of degree of integration is higher, by ozone contact formula circulation oxidation reactor and circulation bioreactor, chemical method and biological process are effectively integrated, and the gas-liquid mass transferring efficiency utilizing loop reactor superior, first the COD value of organic waste water reduced by O3 contacted oxidation and improve the biodegradability of sewage, then aerobic biological treatment is utilized to realize sewage qualified discharge, the waste disposal plant compact construction that the technical program provides, floor space is little, controllability is high, and sewage treating efficiency is high, running cost is low, be convenient to promote the use of.
2, the reactor in the utility model all adopts loop reactor, especially ozone contact formula circulation oxidation reactor, the Strong shear effect that gas is sprayed is broken for minimum bubble, the alternate contact area of reactant unit reaction volume increases greatly on the one hand, and Gas-liquid mass transfer coefficient enlarges markedly on the other hand; In circulation bioreactor, high nearly 30 times of mud volume duty ratio conventional activated sludge process, can reduce sludge quantity, alleviate follow-up sludge treatment load, greatly provide the efficiency of sewage disposal.
3, in the circulation bioreactor in the utility model, there is guide shell, thus improve the degree of mixing of solution-air two-phase, be conducive to reaction and carry out, improve the processing efficiency of sewage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of circulation type sewage treatment combination fixture of the utility model;
Fig. 2 is the fluidic nozzle configurations schematic diagram of a kind of circulation type sewage treatment combination fixture of the utility model;
Fig. 3 is the gas nozzle structure schematic diagram of a kind of circulation type sewage treatment combination fixture of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of circulation type sewage treatment combination fixture, comprises ozone contact formula circulation oxidation reactor and circulation bioreactor, and ozone contact formula circulation oxidation reactor is connected with circulation bioreactor.
Optimal way of the present utility model is, ozone contact formula circulation oxidation reactor comprises the first reactor body 1, first water inlet pipe 2, first inlet pipe 3, ejector nozzle 4, water pump 7, first rising pipe 5 and first outlet pipe 6, ejector nozzle 4 is arranged on the inwall of the first reactor body 1, first water inlet pipe 2, one end of first inlet pipe 3 is all connected with ejector nozzle 4, both are made to be connected with the first reactor body 1, the other end of the first inlet pipe 3 is communicated with source of the gas, source of the gas is ozone or air etc., one end of first rising pipe 5 is connected with the first reactor body 1, and be arranged at the bottom of the first reactor body 1, for the liquid in the first reactor body 1 is discharged, first rising pipe 5 is provided with a branch road and is connected with circulation bioreactor, and first water inlet pipe 2 the other end is connected with the other end of the first rising pipe 5, branch road like this on the first rising pipe 5 is closed, in the first reactor body 1, reacted liquid is come back in the first reactor body 1 by the first water inlet pipe 2 and again reacts, first outlet pipe 6 is connected with the first reactor body 1, water pump 7 is arranged on the first rising pipe 5.First reactor body 1 top of ozone contact formula circulation oxidation reactor connects the first water inlet pipe 2 and the first inlet pipe 3, and spray in the first reactor body 1 by telescoping ejector nozzle 4, wherein sewage is passed into by interior pipe 16, and ozone is passed into by outer tube 17; Connect the first rising pipe 5 bottom first reactor body 1, water outlet is reacted in the first water inlet pipe 2 again blowback first reactor body 1 by the backflow water pump 7 that pressurizes; The gas generated in unreacted gas and reaction process is discharged by the first escape pipe 6.
As shown in Figure 2, circulation bioreactor in the utility model comprises the second reactor body 9, second water inlet pipe 10, second inlet pipe 11, gas jet 12, second rising pipe 14 and second exhaust pipe 15, one end of second water inlet pipe 10 is connected with the branch road on the first rising pipe 5, the other end is connected with the second reactor body 9, thus the branch road on the first rising pipe 5 carries sewage when opening in the second reactor body 9, gas jet 12 is arranged on the inwall of the second reactor body 9, second inlet pipe 11 is connected with gas jet 12, second rising pipe 14, second exhaust pipe 15 is all connected with the second reactor body 9, and the second inlet pipe 11 is connected with air or pure oxygen source of the gas, gas is provided in the second reactor body 9.Connect the second inlet pipe 11 bottom second reactor body 9, spray into the second reactor body 9 by gas jet 12 inner; In second reactor body 9, sewage carries gas and rises at guide shell 13 interior region, declines after arriving guide shell 13 top along the annular space space that guide shell 13 and the second reactor body 9 are formed, and the solution-airmixture risen at the second reactor body 9 meets, rise again, form circulation.
Ejector nozzle 4 in the utility model is made up of pipe 16 in coaxially arranging and outer tube 17, and outer tube 17 is set in outside interior pipe 16, and outer tube 17 is connected with the first inlet pipe 3, and interior pipe 16 is connected with the first water inlet pipe 2.
One end of the second rising pipe 14 in the utility model is set in outside gas jet 12, and is connected with the second reactor body 9, and the other end is used for draining.
Circulation type sewage treatment combination fixture of the present utility model also comprises interchanger 8, and interchanger 8 is arranged on the first water inlet pipe 2 and/or the first rising pipe 5.In actual use, select, between pressurization backflow water pump 7 and the first water inlet pipe 2, whether interchanger 8 to be set according to exothermic heat of reaction degree, the object arranging interchanger 8 is to remove reaction heat in time, reduces inflow temperature, improves the solubleness of ozone in sewage.
Ejector nozzle 4 in the utility model is arranged in the top inner wall of the first reactor body 1.
Gas jet 12 in the utility model is arranged in the bottom interior wall of the second reactor body 9, and the length being set in the second rising pipe 14 end outside gas jet 12 is less than the length of gas jet 12.
Circulation type sewage treatment combination fixture of the present utility model also comprises guide shell 13, and guide shell 13 is arranged in the second reactor body 9.
In the present embodiment, the aspect ratio of the first reactor body 1 is 1.5 ~ 2.5.If the first reactor body 1 aspect ratio is too large, then reactor bottom gas concentration is low, reaction efficiency is extremely low, organic substance can not by the efficient oxidation in sewage; Therefore therefore the aspect ratio of 1.5 ~ 2.5 is reasonable value aspect ratio is too little, and equipment useful volume is little, and the equipment number of units needed during same treatment load is many, have high input.The working pressure of the first reactor body 1 is 0 ~ 1.0Mpag, suitable increase pressure, is conducive to the solubleness of ozone in sewage, but hypertonia requires higher to the bearing capacity of equipment, then equipment cost can increase greatly, and therefore pressure is the most reasonable at 0 ~ 1.0MPag.
In the present embodiment, the speed that sewage sprays from pipe 16 in ejector nozzle 4 is 10 ~ 50m/s, and spouting velocity is lower than this scope, and gas can not effectively be distributed in sewage, and reaction efficiency is low; The too high water pump 7 to pressurization backflow requires high, equipment cost is also high, and although gas-liquid mixing degree changes with spouting velocity, but after spouting velocity brings up to certain value, the raising of gas-liquid mixing degree is also not obvious, therefore is zone of reasonableness when sewage is 10 ~ 50m/s from the speed that pipe 16 in ejector nozzle 4 sprays.
In the present embodiment, the aspect ratio of the second reactor body 9 is 1.5 ~ 3, and gas is sprayed by bottom, rises in the process of liquid level, and the continuous coalescence of gas is air pocket, if apparatus body aspect ratio is too large, the solution-air contact area on top is little, and reaction efficiency is low; Aspect ratio is too little, and equipment useful volume is little, and the number of devices needed when processing load is identical is many, and equipment investment is large, therefore the aspect ratio of 1.5 ~ 3 is reasonable.Simultaneously, the diameter ratio of guide shell 13 and the second reactor body 9 is 0.5 ~ 0.8, guide shell 13 inside is upwelling, outer ring is katabatic drainage, this diameter is than being conducive to the circulation area balancing upwelling and downwelling, and guide shell 13 times vertical heights along distance gas jet 12 are 300 ~ 800mm, are so more conducive to liquid circulation and gas-liquid mixed.
In the present embodiment, the gas spouting velocity of gas jet 12 is 10 ~ 50m/s.Spouting velocity is high, is conducive to gas and is crushed into small bubbles, and solution-air contact area is large, and reaction efficiency is high, but too large power consumption is high, and gas-liquid mixing degree there is no and significantly improves; If spouting velocity is little, gas-liquid mixing degree is low, and gas cannot carry sewage rises to edge on guide shell 13, is unfavorable for forming stable reaction without internal recycle.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (9)
1. a circulation type sewage treatment combination fixture, is characterized in that: comprise ozone contact formula circulation oxidation reactor and circulation bioreactor, and described ozone contact formula circulation oxidation reactor is connected with circulation bioreactor.
2. a kind of circulation type sewage treatment combination fixture according to claim 1, it is characterized in that: described ozone contact formula circulation oxidation reactor comprises the first reactor body, first water inlet pipe, first inlet pipe, ejector nozzle, water pump, first rising pipe and first outlet pipe, described ejector nozzle is arranged on the inwall of the first reactor body, described first water inlet pipe, one end of first inlet pipe is all connected with ejector nozzle, the other end of described first inlet pipe is communicated with source of the gas, one end of described first rising pipe is connected with the first reactor body, the other end of described first water inlet pipe is connected with the other end of the first rising pipe, described first rising pipe establish branch road to be connected with circulation bioreactor, described first outlet pipe is connected with the first reactor body, described water pump is arranged on the first rising pipe.
3. a kind of circulation type sewage treatment combination fixture according to claim 2, it is characterized in that: described circulation bioreactor comprises the second reactor body, second water inlet pipe, second inlet pipe, gas jet, second rising pipe and second exhaust pipe, one end of described second water inlet pipe is connected with the branch road of the first rising pipe, the other end is connected with described second reactor body, described gas jet is arranged on the inwall of the second reactor body, described second inlet pipe is connected with gas jet, described second rising pipe, second exhaust pipe is all connected with the second reactor body.
4. a kind of circulation type sewage treatment combination fixture according to claim 2, it is characterized in that: described ejector nozzle is made up of the inner and outer tubes coaxially arranged, described outer tube sleeve is loaded on outside interior pipe, and described outer tube is connected with the first inlet pipe, and described interior pipe is connected with the first water inlet pipe.
5. a kind of circulation type sewage treatment combination fixture according to claim 3, is characterized in that: one end of described second rising pipe is set in outside gas jet, and is connected with described second reactor body, and the other end is used for draining.
6. a kind of circulation type sewage treatment combination fixture according to claim 2, is characterized in that: also comprise interchanger, and described interchanger is arranged on the first water inlet pipe and/or the first rising pipe.
7. a kind of circulation type sewage treatment combination fixture according to claim 2, is characterized in that: described ejector nozzle is arranged in the top inner wall of the first reactor body.
8. a kind of circulation type sewage treatment combination fixture according to claim 5, it is characterized in that: described gas jet is arranged at the bottom of the second reactor body, and the length being set in the second rising pipe end outside described gas jet is less than the length of gas jet.
9. a kind of circulation type sewage treatment combination fixture according to claim 3, it is characterized in that: also comprise guide shell, described guide shell is arranged in the second reactor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005220.XU CN205187980U (en) | 2015-12-07 | 2015-12-07 | Circulation formula sewage treatment composite set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005220.XU CN205187980U (en) | 2015-12-07 | 2015-12-07 | Circulation formula sewage treatment composite set |
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| Publication Number | Publication Date |
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| CN205187980U true CN205187980U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521005220.XU Active CN205187980U (en) | 2015-12-07 | 2015-12-07 | Circulation formula sewage treatment composite set |
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| CN (1) | CN205187980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417868A (en) * | 2015-12-07 | 2016-03-23 | 上海森松化工成套装备有限公司 | Circulating-type sewage treatment combined device |
| CN106629996A (en) * | 2016-12-31 | 2017-05-10 | 陕西师范大学 | Microbubble loop reaction system |
-
2015
- 2015-12-07 CN CN201521005220.XU patent/CN205187980U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417868A (en) * | 2015-12-07 | 2016-03-23 | 上海森松化工成套装备有限公司 | Circulating-type sewage treatment combined device |
| CN106629996A (en) * | 2016-12-31 | 2017-05-10 | 陕西师范大学 | Microbubble loop reaction system |
| CN106629996B (en) * | 2016-12-31 | 2019-10-18 | 陕西师范大学 | A kind of microbubble circulation reaction system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |