CN203411382U - Multi-phase internal circulating Fenton oxidation tower - Google Patents
Multi-phase internal circulating Fenton oxidation tower Download PDFInfo
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- CN203411382U CN203411382U CN201320366602.XU CN201320366602U CN203411382U CN 203411382 U CN203411382 U CN 203411382U CN 201320366602 U CN201320366602 U CN 201320366602U CN 203411382 U CN203411382 U CN 203411382U
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Abstract
The utility model discloses a multi-phase internal circulating Fenton oxidation tower. An internal water distribution zone and two internal circulation zones arranged on two sides of the internal water distribution zone are arranged on one side of a tower body, the internal circulation zones are communicated with the bottom of the internal water distribution zone which is connected with a water inlet pipe, an internal water oulet zone is arranged on the other side of the tower body, and a water outlet pipe is arranged at the bottom of the internal water distribution zone; the two internal circulation zones are respectively connected with a circulation pipe, a circulating pump and a drug injection port are respectively arranged on the two circulation pipes, and the other ends of the two circulation pipes extend into the tower body to be connected with a V-shaped water distributor at the lower part of the tower body; a fluidized bed reaction zone, a settling zone and a crystal entrapment separator are sequentially arranged above the V-shaped water distributor from the bottom up; a water outlet weir is arranged at the top of the tower body. The multi-phase internal circulating Fenton oxidation tower has the characteristics of small equipment occupied area, good mass transfer effect, high reaction speed, low energy consumption and capability of effectively lowering the operating cost in wastewater treatment, and the COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), chromaticity and the like of wastewater subjected to biochemical treatment can reach the emission standard.
Description
Technical field
The utility model relates to a kind of sewage treatment equipment, specifically a kind of heterogeneous internal recycle Fenton oxidation tower for advanced treatment bio-refractory waste water.
Background technology
Along with improving constantly of China's wastewater discharge standard, many existing sewage treatment facilities can not meet the sewage drainage standard requirement of the new issue of country when processing the waste water of bio-refractory, need to adopt high-level oxidation technology to carry out advanced treatment and could further remove organism in waste water.The high-level oxidation technology being applied at present in waste water treatment engineering is of a great variety, compares other advanced oxidation processes Fenton process the most ripe, have cost of investment low, without complex apparatus, simple to operate, stable effluent quality, the feature such as environmentally friendly.And traditional Fenton high-level oxidation technology exists following defect conventionally: in (1) wastewater treatment process, Fenton reagent utilising efficiency is low, mass transfer effect is poor, and cost for wastewater treatment is high; (2) mechanical stirring process whipping device is easily corroded, and equipment maintenance cost is higher.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of heterogeneous internal recycle Fenton oxidation tower, and this occupation area of equipment is little, and mass transfer effect is good, and speed of response is fast, and energy consumption is low, effectively reduces the working cost of wastewater treatment.
The technical scheme that the utility model solves the problems of the technologies described above is:
The heterogeneous internal recycle Fenton oxidation of the utility model tower, in tower body one side, be provided with built-in water distributing area 2 and two built-in race way 7a and 7b that are positioned at both sides, built-in water distributing area, built-in race way communicates with the bottom of built-in water distributing area, built-in water distributing area 2 connects water inlet pipe 1, tower body opposite side is provided with built-in exhalant region 4, and the bottom of built-in water distributing area is provided with rising pipe 5; Two built-in race ways connect respectively a circulation tube, and recycle pump and medicine input port are installed respectively on two circulation tubes, and the other end of two circulation tubes stretches in tower body and is connected with the V-arrangement water distributor 12 that is positioned at tower body bottom; The top of V-arrangement water distributor 12 is provided with 13, settling section, fluidized bed reaction zone 14 from the bottom to top successively, crystal is held back separator 16; Tower body top is provided with the effluent weir 3 to built-in exhalant region 4 by the waste water outflow after processing.
Described V-arrangement water distributor 12 is comprised of V-arrangement cloth tank 21 and four V-arrangement water distribution branch pipes, four V-arrangement water distribution branch pipes communicate with V-arrangement cloth tank 21 and are symmetrical uniform, wherein every two V-arrangement water distribution branch pipes connect a cloth supply mains, and two cloth supply mains are connected with circulation tube respectively.
The afterbody of described four V-arrangement water distribution branch pipes is provided with cloth water spouting nozzle, and the end caliber of V-arrangement water distribution branch pipe is less than 5cm.
Described crystal is held back separator 16 and is comprised of honeycomb inclined-tube, and the setting angle of honeycomb inclined-tube is 60 °.
Described crystal is held back the middle and upper part that separator 16 is arranged on tower body, and separator support 15 is arranged at the bottom that crystal is held back separator 16, and pressure rack 17 on separator is arranged at top.
Described tower body is provided with discharge opening 19 on the sidewall of fluidized bed reaction zone.
On described two circulation tubes, be separately installed with y-type filter, and add between mouth and recycle pump at medicine.
The beneficial effects of the utility model:
1, compact equipment, floor space are little, and inner without running gear, maintenance maintenance is simple;
2, equipment merges eddy flow water distribution technology and fluidization, and it is more abundant, efficient that waste water reacts in reaction zone with Fenton reagent, and the pollutant oxidation degraded by waste water, improves processing efficiency;
3, equipment can add quartz sand and form carrier overlay film, effectively prevents that Fenton reagent runs off, and promotes Fenton reagent utilization ratio, effectively reduces running cost;
4, equipment effluent quality is controlled, processes the qualified discharge that biochemical rear waste water can be guaranteed waste water COD, BOD, colourity etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the schematic top plan view of V-arrangement water distributor in Fig. 1.
In figure: water inlet pipe 1, built-in water distributing area 2, effluent weir 3, built-in exhalant region 4, rising pipe 5, circulation tube 6a/b, built-in race way 7a/b, recycle pump 8, water distributor 9a/b, medicine adds mouth 10, the capable water distributor 12 of V, 13， settling section, fluidized bed reaction zone 14, separator support 15, crystal is held back separator 16, and on separator, pressure rack 17, Y-filter 18, discharge opening 19, water distributor 20a/b/c/d, V-arrangement cloth tank 21.
Embodiment
As shown in drawings, in tower body one side, be provided with built-in water distributing area 2 and two built-in race way 7a and 7b, two built-in race way 7a and 7b lay respectively at the both sides of built-in water distributing area 2, built-in race way communicates with the bottom of built-in water distributing area, built-in water distributing area 2 connects water inlet pipe 1, tower body opposite side is provided with built-in exhalant region 4, and the bottom of built-in water distributing area is provided with rising pipe 5; Two built-in race way 7a are connected respectively circulation tube 6a and 6b with 7b, and recycle pump 8, y-type filter 18 and medicine input port 10 are installed respectively on two circulation tubes, and y-type filter 18 adds between mouth 10 and circulation 8 pumps at medicine; The other end of two circulation tubes stretches in tower body and is connected with the V-arrangement water distributor 12 that is positioned at tower body bottom, and the top of V-arrangement water distributor 12 is provided with 13, settling section, fluidized bed reaction zone 14 from the bottom to top successively, crystal is held back separator 16; Tower body top is provided with the effluent weir 3 that clear water is entered to built-in exhalant region 4.
Described V-arrangement water distributor 12 is comprised of V-arrangement cloth tank 21 and four V-arrangement water distribution branch pipe 20a/b/c/d, four V-arrangement water distribution branch pipe 20a/b/c/d communicate with V-arrangement cloth tank 21 and are symmetrical uniform, the afterbody of four V-arrangement water distribution branch pipes is provided with cloth water spouting nozzle, and the end caliber of V-arrangement water distribution branch pipe is less than 5cm; Wherein two V-arrangement water distribution branch pipe 20a/b connect a cloth supply mains 9a, and another two V-arrangement water distribution branch pipe 20c/d connect a cloth supply mains 9b, and cloth supply mains 9a is connected with circulation tube 6a, and cloth supply mains 9b is connected with circulation tube 6b.
Crystal described in the utility model is held back the middle and upper part that separator 16 is arranged on tower body, and separator support 15 is arranged at the bottom that crystal is held back separator 16, and pressure rack 17 on separator is arranged at top; Crystal is held back separator 16 and is comprised of honeycomb inclined-tube, and the setting angle of honeycomb inclined-tube is 60 °.
Tower body of the present utility model is provided with discharge opening 19 on the sidewall of fluidized bed reaction zone.
Principle of work of the present utility model is as follows:
Waste water enters built-in water distributing area 2 by water inlet pipe 1, be redistributed to two built-in race way 7a/b, in circulation tube 6b, by medicine, add mouth and add hydrogen peroxide, in circulation tube 6a, by medicine, add mouth and add ferrous sulfate, after the mixed solution of waste water and added Fenton reagent is filtered by Y-filter 18, by two circulation tube 6a/6b, through recycle pump, be conveyed into two cloth supply mains 9a/9b respectively, by cloth supply mains 9a, be conveyed into two V-arrangement water distribution branch pipe 20a/b again, by cloth supply mains 9b, be conveyed into two V-arrangement water distribution branch pipe 20c/d, form 4 equally distributed water distributor 20a/b/c/d, through water distributor afterbody cloth water spouting nozzle, waste water is tangentially eddy flow fluidised form and enters fluidized bed reaction zone 13, H2O2 in the interior Fenton reagent in fluidized bed reaction zone 13 is generated hydroxyl radical free radical (OH) by ferrous ion catalytic decomposition, the hard-degraded substance exhaustive oxidation of waste water is removed.Quartz sand and waste water is through settling section 14, then after crystal is held back separator 16 separation, processed waste water through effluent weir 3 overflows to built-in exhalant region 4, then through rising pipe 5 discharges.Quartz sand drops in tower from carrier discharge opening 19.
Claims (7)
1. heterogeneous internal recycle Fenton oxidation tower, it is characterized in that, tower body one side is provided with built-in water distributing area (2) and two built-in race ways (7a and 7b) that are positioned at both sides, built-in water distributing area, built-in race way communicates with the bottom of built-in water distributing area, built-in water distributing area (2) connects water inlet pipe (1), tower body opposite side is provided with built-in exhalant region (4), and the bottom of built-in water distributing area is provided with rising pipe (5); Two built-in race ways connect respectively a circulation tube, and recycle pump and medicine input port are installed respectively on two circulation tubes, and the other end of two circulation tubes stretches in tower body and is connected with the V-arrangement water distributor (12) that is positioned at tower body bottom; The top of V-arrangement water distributor (12) is provided with successively from the bottom to top fluidized bed reaction zone (13), settling section (14), crystal and holds back separator (16); Tower body top is provided with the effluent weir (3) to built-in exhalant region (4) by the waste water outflow after processing.
2. heterogeneous internal recycle Fenton oxidation tower according to claim 1, it is characterized in that, described V-arrangement water distributor (12) is comprised of V-arrangement cloth tank (21) and four V-arrangement water distribution branch pipes, four V-arrangement water distribution branch pipes communicate with V-arrangement cloth tank (21) and are symmetrical uniform, wherein every two V-arrangement water distribution branch pipes connect a cloth supply mains, and two cloth supply mains are connected with circulation tube respectively.
3. heterogeneous internal recycle Fenton oxidation tower according to claim 2, is characterized in that, the afterbody of described four V-arrangement water distribution branch pipes is provided with cloth water spouting nozzle, and the end caliber of V-arrangement water distribution branch pipe is less than 5cm.
4. heterogeneous internal recycle Fenton oxidation tower according to claim 1, is characterized in that, described crystal is held back separator (16) and is comprised of honeycomb inclined-tube, and the setting angle of honeycomb inclined-tube is 60 °.
5. heterogeneous internal recycle Fenton oxidation tower according to claim 1, it is characterized in that, described crystal is held back the middle and upper part that separator (16) is arranged on tower body, and separator support (15) is arranged at the bottom that crystal is held back separator (16), and pressure rack on separator (17) is arranged at top.
6. heterogeneous internal recycle Fenton oxidation tower according to claim 1, is characterized in that, described tower body is provided with discharge opening (19) on the sidewall of fluidized bed reaction zone.
7. heterogeneous internal recycle Fenton oxidation tower according to claim 1, is characterized in that, on described two circulation tubes, is separately installed with y-type filter (18), and medicine add mouthful and recycle pump between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320366602.XU CN203411382U (en) | 2013-06-25 | 2013-06-25 | Multi-phase internal circulating Fenton oxidation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320366602.XU CN203411382U (en) | 2013-06-25 | 2013-06-25 | Multi-phase internal circulating Fenton oxidation tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203411382U true CN203411382U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320366602.XU Expired - Lifetime CN203411382U (en) | 2013-06-25 | 2013-06-25 | Multi-phase internal circulating Fenton oxidation tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991946A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Energy-saving double-circulation unpowered automatic mixing Fenton reactor |
| CN105776499A (en) * | 2016-04-29 | 2016-07-20 | 苏忠 | Nano micro-air ozonization device |
| CN108439571A (en) * | 2018-05-24 | 2018-08-24 | 苏州苏沃特环境科技有限公司 | A kind of Fenton fluid bed and its method for sewage disposal |
| AU2014383705B2 (en) * | 2014-02-19 | 2019-05-09 | Nanjing University | Fenton fluidized bed treatment apparatus and wastewater treatment method thereof |
| CN113371815A (en) * | 2021-07-20 | 2021-09-10 | 南京环保产业创新中心有限公司 | iron-series-Fenton degradation-resistant wastewater treatment reactor and method thereof |
-
2013
- 2013-06-25 CN CN201320366602.XU patent/CN203411382U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2014383705B2 (en) * | 2014-02-19 | 2019-05-09 | Nanjing University | Fenton fluidized bed treatment apparatus and wastewater treatment method thereof |
| CN103991946A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Energy-saving double-circulation unpowered automatic mixing Fenton reactor |
| CN105776499A (en) * | 2016-04-29 | 2016-07-20 | 苏忠 | Nano micro-air ozonization device |
| CN108439571A (en) * | 2018-05-24 | 2018-08-24 | 苏州苏沃特环境科技有限公司 | A kind of Fenton fluid bed and its method for sewage disposal |
| CN113371815A (en) * | 2021-07-20 | 2021-09-10 | 南京环保产业创新中心有限公司 | iron-series-Fenton degradation-resistant wastewater treatment reactor and method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |