CN208791268U - A kind of reflow type composite catalytic oxidation reaction unit - Google Patents
A kind of reflow type composite catalytic oxidation reaction unit Download PDFInfo
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- CN208791268U CN208791268U CN201821265103.0U CN201821265103U CN208791268U CN 208791268 U CN208791268 U CN 208791268U CN 201821265103 U CN201821265103 U CN 201821265103U CN 208791268 U CN208791268 U CN 208791268U
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Abstract
The utility model discloses a kind of reflow type composite catalytic oxidation reaction unit, is related to technical field of water treatment equipment；The reaction unit bottom opens up water inlet, reaction unit inner wall connects vertical ultraviolet lamp tube, close to dog-ear reflecting plate above each ultraviolet lamp tube, for the dog-ear of dog-ear reflecting plate towards reaction unit inner cavity, reaction unit inner top connects column, and column bottom is socketed annular partition, and partition is tilted down from inner circle edge to outer circular edge, reaction unit inner wall is located at partition top position and opens up water outlet, and return flow line is connected between water outlet and water inlet, and return flow line top opens up H2O2It adds mouth and connects metering pump, and valve is installed in water outlet and water inlet respectively in return flow line, controls water (flow) direction.
Description
Technical field
The utility model discloses a kind of reflow type composite catalytic oxidation reaction unit, is related to technical field of water treatment equipment.
Background technique
In recent years, as economic society develops rapidly, world population remains the growth rate of annual 0.8 %, increasingly
High population pressure, so that many countries all suffer from the serious bring puzzlement of shortage of water resources, water pollution.China is tight in the world
One of weight water shortage country, per capita water resource total amount is only the 1/4 of world average level.Under this baptism, advanced water
Processing method is increasingly by the common concern of people.
High-level oxidation technology (AOPs) is also known as advanced oxidation processes, and in waste water and drinking water treatment field, there are many fortune
With.UV/H2O2The one kind of oxidation technology as AOPs technology, has that oxidability is strong, selectivity is small, reaction speed is fast, and reacts
The advantages that mild condition, obtains good effect in terms of hardly degraded organic substance in processing water.But it during its long-term practice, grinds
Study carefully personnel and finds this technology there are still energy consumptions a series of problems such as high, ultraviolet emission lamp tube service life is short, reaction efficiency is low.
For this purpose, researcher is in UV/H2O2In system introduce heterogeneous solid catalyst, it is desirable to by synergistic effect, with into
One step improves photocatalytic degradation reaction efficiency.But it has been found that there are ultraviolet emission surface of the light tube scale formation is serious, H2O2Effect
Effect is general, and there are still sedimentation basin removal residual catalyst is set after need, and catalyst loss is serious, organic matter degradation
Efficiency is also subject to certain restrictions, and influences UV/H2O2The application process of heterogeneous catalytic oxidation technique.In order to overcome existing UV/
H2O2The deficiency of reaction unit, the utility model provide a kind of reflow type composite catalytic oxidation reaction unit, can not only overcome tradition
Technique consumables cost is high, the easy fouling of fluorescent tube deficiency, and adds reflux unit, so that H2O2Mixing completely, is effectively sent out in water
Function and effect are waved, effluent quality is improved.
Utility model content
The utility model provides a kind of reflow type composite catalytic oxidation reaction unit, used technical solution are as follows:
A kind of reflow type composite catalytic oxidation reaction unit, the reaction unit bottom open up water inlet, in reaction unit
Wall connects vertical ultraviolet lamp tube, and each ultraviolet lamp tube top is close to dog-ear reflecting plate, and the dog-ear of dog-ear reflecting plate is towards instead
Device inner cavity is answered, reaction unit inner top connects column, and column bottom is socketed annular partition, and partition is from inner circle edge to outer circle
Edge tilts down, and reaction unit inner wall is located at partition top position and opens up water outlet, connects back between water outlet and water inlet
Circulation road, return flow line top open up H2O2It adds mouth and connects metering pump, and return flow line is respectively in water outlet and water inlet
Valve is installed, water (flow) direction is controlled.
The reaction unit inner wall uniformly connects vertical ultraviolet lamp tube, and each ultraviolet lamp tube top is anti-close to dog-ear
Penetrate plate.
Water outlet installs filter screen in the reaction unit.
Partition periphery product is the 3/4-4/5 of reaction unit cross-sectional area in the reaction unit.
The dog-ear angle of dog-ear reflecting plate is 30-90 ° in the reaction unit.
Ultraviolet lamp tube outer cover quartz protecting tube in the reaction unit.
The utility model has the following beneficial effects:
The utility model provides a kind of reflow type composite catalytic oxidation reaction unit, in use, intakes from bottom
Water is sent in mouth pressurization, and water outlet and water inlet valve are openable in return flow line, add H by metering pump2O2, make H2O2In advance
It is sufficiently mixed in return flow line with water, in reaction unit under ultraviolet light irradiation, ascending current and catalyst in reaction unit
Sufficiently reaction, and reflecting plate effectively avoids the catalyst to fall in surface of the light tube attachment, fouling, and catalyst rises with water flow
To partition, reaction unit bottom is dropped back under the partition gradient, avoids catalyst loss.Therefore not only using the utility model
The deficiencies of easy fouling of traditional handicraft catalyst loss, ultraviolet lamp tube can be overcome, and make H in return flow line2O2In water completely
Mixing, ensure that reagent utilization rate, while improving effluent quality.
Detailed description of the invention
Fig. 1 the utility model front schematic internal view.
Appended drawing reference: 1, water inlet, 2, ultraviolet lamp tube, 3, dog-ear reflecting plate, 4, return flow line, 5, metering pump, 6, H2O2
Add mouth, 7, partition, 8, water outlet, 9, column.
Specific embodiment
The utility model is made the following instructions referring to Figure of description:
Embodiment 1
A kind of reflow type composite catalytic oxidation reaction unit reacts wherein cylindrical reaction unit bottom opens up water inlet 1
Device inner wall uniformly connects 2 vertical ultraviolet lamp tubes 2,2 outer cover quartz protecting tube of ultraviolet lamp tube, each 2 top of ultraviolet lamp tube
Close to dog-ear reflecting plate 3, the dog-ear of dog-ear reflecting plate 3 is towards reaction unit inner cavity, and the dog-ear angle of dog-ear reflecting plate 3 is
75 °, reaction unit inner top welds column 9, and 9 bottom of column is socketed annular partition 7, and partition 7 is from inner circle edge to outer circumferential edge
Edge tilts down, and 7 outer circle area of partition is the 3/4 of reaction unit cross-sectional area, and reaction unit inner wall is located at 7 top position of partition
Water outlet 8 is opened up, water outlet installs filter screen, connection return flow line 4 between water outlet 8 and water inlet 1, on return flow line 4
Portion opens up H2O2It adds mouth 6 and connects metering pump 5, and valve, control are installed in return flow line 4 at water outlet 8 and water inlet 1 respectively
Water (flow) direction processed.
Embodiment 2
A kind of reflow type composite catalytic oxidation reaction unit reacts wherein cylindrical reaction unit bottom opens up water inlet 1
Device inner wall uniformly connects 4 vertical ultraviolet lamp tubes 2,2 outer cover quartz protecting tube of ultraviolet lamp tube, each 2 top of ultraviolet lamp tube
Close to dog-ear reflecting plate 3, the dog-ear of dog-ear reflecting plate 3 is towards reaction unit inner cavity, and the dog-ear angle of dog-ear reflecting plate 3 is
30 °, reaction unit inner top welds column 9, and 9 bottom of column is socketed annular partition 7, and partition 7 is from inner circle edge to outer circumferential edge
Edge tilts down, and 7 outer circle area of partition is the 31/40 of reaction unit cross-sectional area, and reaction unit inner wall is located at 7 upper position of partition
It sets and opens up water outlet 8, return flow line 4 is connected between water outlet 8 and water inlet 1,4 top of return flow line opens up H2O2Add mouth 6 simultaneously
Metering pump 5 is connected, and valve is installed in return flow line 4 at water outlet 8 and water inlet 1 respectively, controls water (flow) direction.
Embodiment 3
A kind of reflow type composite catalytic oxidation reaction unit reacts wherein cylindrical reaction unit bottom opens up water inlet 1
Device inner wall uniformly connects 6 vertical ultraviolet lamp tubes 2,2 outer cover quartz protecting tube of ultraviolet lamp tube, each 2 top of ultraviolet lamp tube
Close to dog-ear reflecting plate 3, the dog-ear of dog-ear reflecting plate 3 is towards reaction unit inner cavity, and the dog-ear angle of dog-ear reflecting plate 3
90 °, reaction unit inner top welds column 9, and 9 bottom of column is socketed annular partition 7, and partition 7 is from inner circle edge to outer circumferential edge
Edge tilts down, and 7 outer circle area of partition is the 4/5 of reaction unit cross-sectional area, and reaction unit inner wall is located at 7 top position of partition
Water outlet 8 is opened up, return flow line 4 is connected between water outlet 8 and water inlet 1,4 top of return flow line opens up H2O2It adds mouth 6 and connects
Metering pump 5 is connect, and valve is installed in return flow line 4 at water outlet 8 and water inlet 1 respectively, controls water (flow) direction.
The utility model can select manufactured size, and positioning each section installation site according to the actual situation, and connection type is not
It is limited to detachably installation or non-dismountable installation, for example ultraviolet lamp tube 2 is consolidated using the bracket being welded on reaction unit inner wall
It is fixed, can also be fixed etc. by common fixing piece at the top of column 9 and reaction unit, as long as the existing mode that is fixedly connected all may be used
To be not repeated.
The utility model send water in use, from the pressurization of bottom water inlet, water outlet and water inlet in return flow line 4
It is openable to locate valve, while temporarily control outlet pipe is not discharged, and adds H by metering pump 52O2, make H2O2In advance in return flow line
It is sufficiently mixed in 4 with water, in reaction unit under the irradiation of ultraviolet lamp tube 2, ascending current and catalyst are sufficiently anti-in reaction unit
Answer, wait react after a certain period of time, water quality is purified, can closing volume channel 4 in the valve of water outlet, while allowing outlet pipe
Water outlet.
Claims (6)
1. a kind of reflow type composite catalytic oxidation reaction unit, it is characterized in that the reaction unit bottom opens up water inlet, reaction
Device inner wall connects vertical ultraviolet lamp tube, and each ultraviolet lamp tube top is close to dog-ear reflecting plate, the dog-ear of dog-ear reflecting plate
Towards reaction unit inner cavity, reaction unit inner top connects column, column bottom socket annular partition, and partition from inner circle edge
It is tilted down to outer circular edge, reaction unit inner wall is located at partition top position and opens up water outlet, between water outlet and water inlet
Return flow line is connected, return flow line top opens up H2O2Add mouth and connect metering pump, and return flow line respectively water outlet with into
Valve is installed at the mouth of a river, controls water (flow) direction.
2. reaction unit according to claim 1, it is characterized in that reaction unit inner wall uniformly connects vertical ultraviolet lamp tube.
3. reaction unit according to claim 1 or 2, it is characterized in that water outlet installs filter screen.
4. reaction unit according to claim 3, it is characterized in that partition outer circle area is the 3/ of reaction unit cross-sectional area
4-4/5。
5. reaction unit according to claim 4, it is characterized in that the dog-ear angle of dog-ear reflecting plate is 30-90 °.
6. reaction unit according to claim 5, it is characterized in that ultraviolet lamp tube outer cover quartz protecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821265103.0U CN208791268U (en) | 2018-08-07 | 2018-08-07 | A kind of reflow type composite catalytic oxidation reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821265103.0U CN208791268U (en) | 2018-08-07 | 2018-08-07 | A kind of reflow type composite catalytic oxidation reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208791268U true CN208791268U (en) | 2019-04-26 |
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ID=66204820
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821265103.0U Active CN208791268U (en) | 2018-08-07 | 2018-08-07 | A kind of reflow type composite catalytic oxidation reaction unit |
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| Country | Link |
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| CN (1) | CN208791268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620801A (en) * | 2022-03-29 | 2022-06-14 | 北京安力斯环境科技股份有限公司 | Photocatalytic reflux synergistic oxidation system for treatment of difficult-to-degrade sewage |
-
2018
- 2018-08-07 CN CN201821265103.0U patent/CN208791268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620801A (en) * | 2022-03-29 | 2022-06-14 | 北京安力斯环境科技股份有限公司 | Photocatalytic reflux synergistic oxidation system for treatment of difficult-to-degrade sewage |
| CN114620801B (en) * | 2022-03-29 | 2022-11-25 | 北京安力斯环境科技股份有限公司 | Photocatalytic reflux synergistic oxidation system for treatment of difficult-to-degrade sewage |
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