CN100439258C - Quick degrading process for high pollution industrial waste water hard to treat biochemically and its special device - Google Patents
Quick degrading process for high pollution industrial waste water hard to treat biochemically and its special device Download PDFInfo
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- CN100439258C CN100439258C CNB2005100410204A CN200510041020A CN100439258C CN 100439258 C CN100439258 C CN 100439258C CN B2005100410204 A CNB2005100410204 A CN B2005100410204A CN 200510041020 A CN200510041020 A CN 200510041020A CN 100439258 C CN100439258 C CN 100439258C
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Abstract
The present invention discloses a quick degradation technology for industrial waste water of difficult biochemical analysis and high-degree pollution and a special reactor thereof. The technology is characterized in that waste water is introduced into a reflux reactor and sprayed into the reactor by a high pressure water pump through a high pressure nozzle so that bonds of water molecules are broken, and a large quantity of hydrogen-oxygen free radicals are generated; clear water is discharged through a water outlet arranged at the upper end of the reactor after reduction and oxidation are completed; before part of the contaminated water is sent back to the high pressure water pump through a flow returning pipe, the contaminated water is mixed with raw water, and the mixture is sprayed into a cavity body of the reactor through the nozzle so that circulating treatment can be carried out. The reactor is characterized in that the reactor is provided with an outer shell in which a vortex diffusion nozzle is arranged, the nozzle is connected with the high pressure water pump and is just aligned with a water flow guiding path, and an opening arranged at the upper end of the guiding path is positioned in an inner cover arranged at the inner top end of the outer shell; a water flow guiding plate is arranged in the outer shell, a clear water outlet is arranged at the upper end of the outer shell, a sludge discharge outlet is arranged at the lower end of the outer shell, and the flow returning pipe for sewage is arranged on the outer shell. The present invention has the advantages of short reaction time, high removing rate, no need to add any chemical agents, low cost, little investment and low operation cost.
Description
Technical field:
The present invention relates to the wastewater processing technology in the environmental protection, is a kind of treatment process that is difficult to the waste water handled with usual method, specifically, is a kind of difficult biochemical, high pollution trade effluent quick degrading process and specific equipment thereof.
Background technology:
The environmental protection treatment of trade effluent is comparatively difficult thing, and especially difficult biochemistry, high pollution trade effluent are difficult to handle with common methods such as biochemistry more.Generally be to adopt acidication to handle for this class waste water at present.Long reaction time, clearance that acidication is handled are low, need to add a large amount of chemical agents, and the cost height also can increase new ion, and investment is many, and running cost is also high.
Summary of the invention:
The purpose of this invention is to provide a kind of reaction times short, clearance is high, does not need to add any chemical agent, cost is low, and less investment, difficult biochemical, high pollution trade effluent quick degrading process that running cost is low and specific equipment thereof.
Technical solution of the present invention is:
A kind of difficult biochemical, high pollution trade effluent quick degrading process, it is characterized in that: waste water is fed refluxing reactor, and make it to spray in the reactor by high pressure spray nozzle by high-pressure hydraulic pump, make water molecules scission of link under upper state, produce a large amount of hydroxyl free radicals, the upper end water outlet of the clear water autoreactor after redox is finished is discharged, and part of contaminated water is sent back to before the high-pressure hydraulic pump to mix by high pressure spray nozzle with former water by return line and sprayed in the reactor cavity, carries out circular treatment.
Sewage described in the present invention is that the eddy flow divergent nozzle in reactor sprays in the reactor.Water-aspirator pressure is 0.5Mpa.Sewage whole residence time in reactor is 1-2 hour.
A kind of workmanship that is exclusively used in difficult biochemistry, the quick degradation method of high pollution trade effluent, it is characterized in that: shell is arranged, the eddy flow divergent nozzle is housed in the shell, the eddy flow divergent nozzle is connected with high-pressure hydraulic pump, and the eddy flow divergent nozzle is vertically just at the current deflecting passage, and current deflecting passage upper end open is in the vertical inner cover of enclosure, the current deflecting plate is arranged in the shell, there is the clear water water outlet shell upper end, and there is the mud discharging mouth lower end, also is connected to the sewage backflow pipe on the shell.
Current deflecting passage described in the present invention vertically is provided with in the enclosure and enlarges gradually.The eddy flow divergent nozzle is the tubular body arranged inside of hollow, and the tubular body arranged inside front end has opening, and there is acicular shunting device the centre, and vane shape current eddy flow diffusion device is housed between shunting device and front opening.The clear water water outlet is positioned at the upper end avris of shell.Water inlet pipe before one end of sewage backflow pipe and the water pump is connected, and the other end is connected to the interior or current deflecting passage top of the vertical inner cover of enclosure.
Beneficial effect of the present invention is: the reaction times is short, clearance is high, improved working efficiency, time has only the 1/4-1/5 of acidication treatment process, do not need to add any chemical agent, can not increase new ion, cost is low, and less investment, running cost is low, has only 1/3 of conventional pretreatment technology.
The present invention is described in further detail below in conjunction with drawings and Examples:
Description of drawings:
Fig. 1 is a kind of structural representation that is exclusively used in the reactor in difficult biochemistry, the quick degradation method of high pollution trade effluent of the present invention;
Fig. 2 is the structural representation of the eddy flow divergent nozzle among the present invention.
Embodiment:
Fig. 1, Fig. 2 have described one embodiment of the present of invention jointly.In this embodiment, shell 1 is arranged, eddy flow divergent nozzle 2 is housed in the shell 1, eddy flow divergent nozzle 2 is connected with high-pressure hydraulic pump 3, and eddy flow divergent nozzle 2 is vertically just at current deflecting passage 4, and current deflecting passage 4 upper end open are in the inner cover 5 of shell 1 inner tip, current deflecting plate 6 is arranged in the shell 1, there is clear water water outlet 7 shell 1 upper end, and there is mud discharging mouth 8 lower end, also is connected to sewage backflow pipe 9 on the shell 1.Described current deflecting passage 4 vertically is provided with in shell 1 and enlarges gradually.Eddy flow divergent nozzle 2 is the tubular body arranged inside of hollow, and the tubular body arranged inside front end has opening 21, and there is acicular shunting device 22 centre, at shunting device 22 and 21 of front openings vane shape current eddy flow diffusion device 23 is housed.Clear water water outlet 7 is positioned at the upper end avris of shell 1.Water inlet pipe 10 before one end of sewage backflow pipe 9 and the water pump 3 is connected, and the other end is connected to inner cover 5 interior or current deflecting passage 4 tops of shell 1 inner tip.
The foregoing description is used for following difficult biochemical, the quick degradation method of high pollution trade effluent: waste water is fed refluxing reactor, and make it to spray in the reactor by high pressure spray nozzle by high-pressure hydraulic pump, make water molecules scission of link under upper state, produce a large amount of hydroxyl free radicals, the upper end water outlet of the clear water autoreactor after redox is finished is discharged, whereabouts sewage is sent back to before the high-pressure hydraulic pump to mix by high pressure spray nozzle with former water by return line and is sprayed in the reactor cavity, carries out circular treatment.Described sewage is that the eddy flow divergent nozzle in reactor sprays in the reactor.Water-aspirator pressure is about 0.5Mpa.Sewage whole residence time in reactor is 1-2 hour.
The present invention makes water molecules scission of link under upper state by reactor, produces a large amount of H
+With hydroxyl free radical OH
-And pollutants in waste water generation reduction-oxidation reaction, reach the purpose of quick degraded.Particularly, can make the larger molecular organics scission of link be converted into small molecules, easy biochemical substances to the trade effluent of biochemical differences such as printing and dyeing, chemical industry.Because water molecules under the scission of link state, produces H simultaneously
+And OH
-, the macromolecule contaminant in the water, chromophore, conjugated body etc. are reduced rapidly, are accompanied by the reduction of pH value, along with reaction is further carried out, a large amount of hydroxyl free radical generation oxidizing reactions, reducing substanceses a large amount of in the water is oxidized, after the oxidation of reducing is finished, adjust the basicity precipitation.
Claims (9)
1, a kind of difficult biochemical, high pollution trade effluent quick degrading process, it is characterized in that: waste water is fed refluxing reactor, and make it to spray in the reactor by high pressure spray nozzle by high-pressure hydraulic pump, make water molecules scission of link under upper state, produce a large amount of hydroxyl free radicals, discharge through reducing the upper end water outlet of the clear water autoreactor of an oxidation after finishing, part of contaminated water is sent back to before the high-pressure hydraulic pump to mix by high pressure spray nozzle with former water by return line and is sprayed in the reactor cavity, carries out circular treatment.
2, difficult biochemical, high pollution trade effluent quick degrading process according to claim 1, it is characterized in that: sewage is that the eddy flow divergent nozzle in reactor sprays in the reactor.
3, difficult biochemical, high pollution trade effluent quick degrading process according to claim 1 and 2, it is characterized in that: water-aspirator pressure is 0.5Mpa.
4, difficult biochemical, high pollution trade effluent quick degrading process according to claim 1 and 2 is characterized in that: sewage whole residence time in reactor is 1-2 hour.
5, difficult biochemical, high pollution trade effluent quick degrading process according to claim 4 is characterized in that: sewage whole residence time in reactor is 1.5 hours.
6, a kind of difficult biochemistry of claim 1, reactor in the high pollution trade effluent quick degrading process of being exclusively used in, it is characterized in that: shell is arranged, the eddy flow divergent nozzle is housed in the shell, the eddy flow divergent nozzle is connected with high-pressure hydraulic pump, and the eddy flow divergent nozzle is vertically just at the current deflecting passage, and current deflecting passage soil end opening is in the vertical inner cover of enclosure, the current deflecting plate is arranged in the shell, there is the clear water water outlet shell upper end, and there is the mud discharging mouth lower end, also is connected to the sewage backflow pipe on the shell; The eddy flow divergent nozzle is the tubular body arranged inside of hollow, and the tubular body arranged inside front end has opening, and there is acicular shunting device the centre, and vane shape current eddy flow diffusion device is housed between shunting device and front opening.
7, reactor according to claim 6 is characterized in that: the current deflecting passage vertically is provided with in the enclosure and enlarges gradually.
8, according to claim 6 or 7 described reactors, it is characterized in that: the clear water water outlet is positioned at the upper end avris of shell.
9, according to claim 6 or 7 described reactors, it is characterized in that: the water inlet pipe before an end of sewage backflow pipe and the water pump is connected, and the other end is connected to the interior or current deflecting passage top of the vertical inner cover of enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100410204A CN100439258C (en) | 2005-07-14 | 2005-07-14 | Quick degrading process for high pollution industrial waste water hard to treat biochemically and its special device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100410204A CN100439258C (en) | 2005-07-14 | 2005-07-14 | Quick degrading process for high pollution industrial waste water hard to treat biochemically and its special device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1749182A CN1749182A (en) | 2006-03-22 |
| CN100439258C true CN100439258C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100410204A Expired - Fee Related CN100439258C (en) | 2005-07-14 | 2005-07-14 | Quick degrading process for high pollution industrial waste water hard to treat biochemically and its special device |
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| CN (1) | CN100439258C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906387A (en) * | 1988-01-28 | 1990-03-06 | The Water Group, Inc. | Method for removing oxidizable contaminants in cooling water used in conjunction with a cooling tower |
| CN1290662A (en) * | 2000-11-08 | 2001-04-11 | 中国科学院广州地球化学研究所 | Sterilizing system and method for high quality drinking water |
| CN1343182A (en) * | 1999-03-15 | 2002-04-03 | 生物爱克思株式会社 | Method and apparatus for treamtent of organic matter-containing waste water |
| CN1382651A (en) * | 2001-04-20 | 2002-12-04 | 上海金迪生物技术工程有限公司 | Process for comprehensively treating sewage |
-
2005
- 2005-07-14 CN CNB2005100410204A patent/CN100439258C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906387A (en) * | 1988-01-28 | 1990-03-06 | The Water Group, Inc. | Method for removing oxidizable contaminants in cooling water used in conjunction with a cooling tower |
| CN1343182A (en) * | 1999-03-15 | 2002-04-03 | 生物爱克思株式会社 | Method and apparatus for treamtent of organic matter-containing waste water |
| CN1290662A (en) * | 2000-11-08 | 2001-04-11 | 中国科学院广州地球化学研究所 | Sterilizing system and method for high quality drinking water |
| CN1382651A (en) * | 2001-04-20 | 2002-12-04 | 上海金迪生物技术工程有限公司 | Process for comprehensively treating sewage |
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| Publication number | Publication date |
|---|---|
| CN1749182A (en) | 2006-03-22 |
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Granted publication date: 20081203 |