CN108751338A - Light catalytic waste water processing device and sewage water treatment method - Google Patents
Light catalytic waste water processing device and sewage water treatment method Download PDFInfo
- Publication number
- CN108751338A CN108751338A CN201810632037.4A CN201810632037A CN108751338A CN 108751338 A CN108751338 A CN 108751338A CN 201810632037 A CN201810632037 A CN 201810632037A CN 108751338 A CN108751338 A CN 108751338A
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- Prior art keywords
- sewage
- chamber body
- electromagnetic conversion
- waste water
- fixed
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- 239000010865 sewage Substances 0.000 title claims abstract description 49
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 19
- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 10
- 238000000034 method Methods 0.000 title abstract description 6
- 238000007146 photocatalysis Methods 0.000 claims abstract description 39
- 230000001699 photocatalysis Effects 0.000 claims abstract description 39
- 239000003054 catalyst Substances 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000011941 photocatalyst Substances 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 6
- 238000002407 reforming Methods 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000005273 aeration Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000006555 catalytic reaction Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005276 aerator Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000345998 Calamus manan Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Catalysts (AREA)
Abstract
The invention belongs to environmental technology fields, more particularly to a kind of light catalytic waste water processing device and sewage water treatment method, light catalytic waste water processing device, including photocatalysis chamber body, agitating device, electromagnetic conversion device, photochemical catalyst clean room, magnetic nanometer photocatalyst and ultraviolet lamp；Ring and movable rotating vane are disturbed by setting, it moves up and down under push-pull device at fixed effect, magnetic nanometer photocatalyst and sewage are sufficiently mixed, improve the efficiency of light-catalyzed reaction, and magnetic nanometer photocatalyst can quickly be recycled using electromagnetic conversion device, when magnetic nanometer photocatalyst adsorption pollutant reduces catalytic effect, it is collected rapidly using electromagnetic conversion device, recycling, and enters photochemical catalyst clean room and be cleaned by ultrasonic, after the completion of cleaning, photocatalysis chamber body is quickly entered using electromagnetic conversion device, continue photocatalysis sewage processing, realize automatic sewage processing, it is catalyst cleaning, improve convenience.
Description
Technical field
The invention belongs to environmental technology field, more particularly to a kind of light catalytic waste water processing device and sewage water treatment method.
Background technology
Photocatalysis, which is that rattan island is clear, teaches in primary experiment in 1967, is carried out to oxidation ti single crystal into the water ultraviolet
Light irradiation, as a result, it has been found that water has been broken down into oxygen and hydrogen and has found.Say that catalyst is exactly the meaning of catalyst, light on conversational implication
Catalyst is exactly as its name suggests photochemical catalyst.Catalyst is the chemical substance for accelerating chemical reaction, itself is simultaneously not involved in reaction.Light
Catalyst is exactly the general designation for the chemical substance that catalytic action can be played under the excitation of photon.
Photocatalysis technology has as a kind of environmentally friendly depollution of environment technology efficiently, safe in sewage disposal
Wide application prospect.In the prior art, in sewage disposal, nano-scale photocatalyst is difficult to recycle, the photocatalysis of fixed structure
Agent catalytic efficiency is relatively low, therefore limits development of the photocatalysis technology in sewage disposal.
Invention content
The present invention solves the above-mentioned technical problems in the prior art, provides a kind of light catalytic waste water processing device and dirt
Method for treating water.
To solve the above problems, technical scheme is as follows：
Light catalytic waste water processing device, including the purification of photocatalysis chamber body, agitating device, electromagnetic conversion device, photochemical catalyst
Room, magnetic nanometer photocatalyst and ultraviolet lamp；
Sewage inlet is set at the top of the photocatalysis chamber body, and bottom is arranged outlet of sewer, and there are two be oppositely arranged side wall
Cavity, the electromagnetic conversion device are placed in the cavity；Setting hollow quartzy glass in center in the photocatalysis chamber body
Glass cylinder；
The agitating device includes push-pull device at fixed, fixed link and disturbance ring, and the push-pull device at fixed includes hydraulic pump and hydraulic pressure
Cylinder, the hydraulic pump driving hydraulic cylinder move reciprocatingly, and the fixed link is two groups, vertically, is relatively fixed in hydraulic cylinder piston
Club head, the disturbance ring are annulus shape, and Zhi Ding is equal at a distance from two groups of fixed links, and the disturbance ring is fixed on two groups and consolidates
The bottom end of fixed pole, the planar annular for disturbing ring are vertical with the fixed link；Movable rotating vane is set in the fixed link；
The ultraviolet lamp is arranged inside the hollow quartz-glass cylinder；
The magnetic nanometer photocatalyst is placed in photocatalysis chamber body；
The electromagnetic conversion device includes iron core and the conducting wire that is wrapped on iron core, setting power supply and is opened on the conducting wire
It closes, when the switch is closed, forms closed circuit；
The photochemical catalyst clean room is arranged below photocatalysis chamber body, and the photochemical catalyst purifier includes shell,
Ultrasonic cleaning equipment, housing tip setting opening is arranged in enclosure interior, and valve is arranged in the opening, and the opening is located at described
The underface of photocatalysis chamber body cavity madial wall；The housing sidewall setting cleanser entrance and cleanser outlet.
As an improvement of the present invention, setting protrusion outside the annulus of the disturbance ring.Enhancing annulus is up and down reciprocatingly transported
It is fully dispersed to the disturbance effect of Catalyst sewage system when dynamic.
As an improvement of the present invention, the movable rotating vane includes circular rings and the leaf that is fixed in circular rings
Piece, the circular rings pass through fixed link, upper limit ring are arranged above the circular rings, and lower limit ring is arranged in lower section.Movable rotation
Rotating vane piece with fixed link when pumping, rotation, improves the disturbance effect to Catalyst sewage system, fully dispersed.
As an improvement of the present invention, aerator is set in the photocatalysis chamber body.Improve catalysis reaction efficiency.
As an improvement of the present invention, flow control valve is arranged in the sewage inlet and outlet of sewer.It is dirty convenient for control
The treatment effect and rate of water.
As an improvement of the present invention, the power supply of the ultraviolet lamp is arranged in hollow quartz-glass cylinder
Portion.
Photocatalysis sewage processing method, includes the following steps：
Sewage is imported into photocatalysis chamber body from sewage inlet, ultraviolet lamp is opened, opens agitating device, disturb ring and movable
Rotating vane moves up and down under push-pull device at fixed effect, and magnetic nanometer photocatalyst and sewage are sufficiently mixed, are uniformly dispersed, and breaks
Electromagnetic conversion device switch is opened, organic sewage photocatalytically decomposes；
After the completion of sewage disposal, closed electromagnetic reforming unit switch, after continuing stirring 10-20 minutes, by sewage from sewage
Outlet discharge；
Cleanser is injected into photochemical catalyst clean room, is opened photochemical catalyst clean room valve, is disconnected electromagnetic conversion device
Switch, magnetic nanometer photocatalyst are fallen into photochemical catalyst clean room, are closed valve, are opened ultrasonic cleaning equipment；
After the completion of magnetic nanometer photocatalyst cleaning, cleanser is discharged, opens photochemical catalyst clean room valve, opens electromagnetism
Reforming unit switchs, and magnetic nanometer photocatalyst enters photocatalysis chamber body under magnetic action, closes valve, can proceed with dirt
Water process.
Compared with the existing technology, advantages of the present invention is as follows,
The light catalytic waste water processing device of the present invention disturbs ring and movable rotating vane, in push-pull device at fixed by setting
Effect is lower to move up and down, and magnetic nanometer photocatalyst is sufficiently mixed with sewage, improves the efficiency of light-catalyzed reaction, and magnetism is received
Rice photochemical catalyst can quickly be recycled using electromagnetic conversion device, and magnetic nanometer photocatalyst adsorption pollutant reduces catalysis effect
It when fruit, collects rapidly, recycle using electromagnetic conversion device, and enter photochemical catalyst clean room and be cleaned by ultrasonic, cleaned
Cheng Hou quickly enters photocatalysis chamber body using electromagnetic conversion device, continues photocatalysis sewage processing, realizes automatic sewage
Processing, catalyst cleaning, raising convenience.
Description of the drawings
Fig. 1 is light catalytic waste water processing device schematic diagram；
Fig. 2 is disturbance ring schematic diagram；
Fig. 3 is movable rotating vane schematic diagram；
In figure：1 it is photocatalysis chamber body, 11 be sewage inlet, 12 be outlet of sewer, 13 be cavity, 14 is hollow quartzy glass
Glass cylinder, 15 be cavity madial wall, 2 be agitating device, 21 be push-pull device at fixed, 22 be fixed link, 23 be disturbance ring, 231 be
Protrusion, 24 be hydraulic pump, 25 be hydraulic cylinder, 26 be movable rotating vane, 261 be circular rings, 262 be blade, 263 be on
Spacing ring, 264 be lower limit ring, 3 be electromagnetic conversion device, 31 be iron core, 32 be conducting wire, 33 be power supply, 34 be switch, 4 be
Photochemical catalyst clean room, 41 be shell, 42 be ultrasonic cleaning equipment, 43 be opening, 44 be valve, 45 be cleanser entrance, 46
Be cleanser outlet, 5 be magnetic nanometer photocatalyst, 6 be ultraviolet lamp, 7 be ultraviolet lamp power supply.
Specific implementation mode
Embodiment 1：
Referring to Fig. 1-3, light catalytic waste water processing device, including photocatalysis chamber body 1, agitating device 2, electromagnetic conversion device 3,
Photochemical catalyst clean room 4, magnetic nanometer photocatalyst 5 and ultraviolet lamp 6；
Sewage inlet 11 is arranged in 1 top of the photocatalysis chamber body, and outlet of sewer 12 is arranged in bottom, and side wall is set there are two opposite
The cavity 13 set, the electromagnetic conversion device 3 are placed in the cavity 13；Center is arranged in the photocatalysis chamber body 1
Hollow quartz-glass cylinder 14；
The agitating device 2 includes push-pull device at fixed 21, fixed link 22 and disturbance ring 23, and the push-pull device at fixed 21 includes hydraulic pressure
Pump 24 and hydraulic cylinder 25,24 driving hydraulic cylinder 25 of the hydraulic pump move reciprocatingly, and the fixed link 22 is two groups, vertical, phase
To being fixed on 25 piston rod head of hydraulic cylinder, the disturbance ring 23 is annulus shape, Zhi Ding phases at a distance from two groups of fixed links 22
Deng the disturbance ring 23 is fixed on the bottom ends of two groups of fixed links 22, and the planar annular and the fixed link 22 for disturbing ring 23 hang down
Directly；Movable rotating vane 26 is set in the fixed link 22；
The ultraviolet lamp 6 is arranged inside the hollow quartz-glass cylinder 14；
The magnetic nanometer photocatalyst 5 is placed in photocatalysis chamber body 1；
The electromagnetic conversion device 3 includes iron core 31 and the conducting wire 32 being wrapped on iron core 31, is arranged on the conducting wire 32
Power supply 33 and switch 34 when the switch 34 is closed, form closed circuit；
The photochemical catalyst clean room 4 is arranged below photocatalysis chamber body 1, and the photochemical catalyst purifier includes shell
41, ultrasonic cleaning equipment 42 is arranged in 41 inside of shell, and 41 top of shell is arranged opening 43, valve 44 is arranged at the opening 43,
The opening 43 is located at the underface of 1 cavity madial wall 15 of the photocatalysis chamber body；41 side wall of shell setting cleanser enters
Mouth 45 and cleanser outlet 46.
Photocatalysis sewage processing method, includes the following steps：
Sewage is imported into photocatalysis chamber body 1 from sewage inlet 11, ultraviolet lamp 6 is opened, opens agitating device 2, disturb ring 23
It moves up and down under the effect of push-pull device at fixed 21 with movable rotating vane 26, magnetic nanometer photocatalyst 5 and sewage is fully mixed
It closes, is uniformly dispersed, disconnect 3 switch 34 of electromagnetic conversion device, organic sewage photocatalytically decomposes；
After the completion of sewage disposal, 3 switch 34 of closed electromagnetic reforming unit, after continuing stirring 10-20 minutes, by sewage from dirt
Water out 12 is discharged；
Cleanser is injected into photochemical catalyst clean room 4, is opened 4 valve 44 of photochemical catalyst clean room, is disconnected electromagnetic conversion
3 switch 34 of device, magnetic nanometer photocatalyst 5 are fallen into photochemical catalyst clean room 4, are closed valve 44, are opened and be cleaned by ultrasonic dress
Set 42；
After the completion of magnetic nanometer photocatalyst 5 cleans, cleanser is discharged, opens 4 valve 44 of photochemical catalyst clean room, opens
3 switch 34 of electromagnetic conversion device, magnetic nanometer photocatalyst 5 enter photocatalysis chamber body 1 under magnetic action, close valve 44,
It can proceed with sewage disposal.
Embodiment 2：
Referring to Fig. 1-3, as an improvement of the present invention, setting protrusion 231 outside the annulus of the disturbance ring 23.Enhancing
It is fully dispersed to the disturbance effect of Catalyst sewage system when annulus pumps.
Embodiment 3：
Referring to Fig. 1-3, as an improvement of the present invention, the movable rotating vane 26 is including circular rings 261 and admittedly
The blade 262 being scheduled in circular rings 261, the circular rings 261 pass through fixed link 22,261 top of the circular rings that the upper limit is arranged
Lower limit ring 264 is arranged in position ring 263, lower section.Movable rotating vane 26 with fixed link 22 when pumping, rotation,
The disturbance effect to Catalyst sewage system is improved, it is fully dispersed.
Embodiment 4：
Referring to Fig. 1-3, as an improvement of the present invention, aerator is set in the photocatalysis chamber body 1.Improve catalysis
Reaction efficiency.
Embodiment 5：
Referring to Fig. 1-3, as an improvement of the present invention, flow-rate adjustment is arranged in the sewage inlet 11 and outlet of sewer 12
Valve.Convenient for controlling the treatment effect and rate of sewage.
Embodiment 6：
Referring to Fig. 1-3, as an improvement of the present invention, the setting of power supply 7 of the ultraviolet lamp 6 is in hollow quartzy glass
Inside glass cylinder 14.
At least one of embodiment 2,3,4,5,6 technical characteristics can also be combined shape by the present invention with embodiment 1
The embodiment of Cheng Xin.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, there is no for the purpose of limiting the invention
Protection domain, the equivalent replacement or replacement made on the basis of the above all belong to the scope of protection of the present invention.
Claims (7)
1. light catalytic waste water processing device, which is characterized in that urged including photocatalysis chamber body, agitating device, electromagnetic conversion device, light
Agent clean room, magnetic nanometer photocatalyst and ultraviolet lamp；
Setting sewage inlet at the top of the photocatalysis chamber body, bottom setting outlet of sewer, the cavity that there are two side walls is oppositely arranged,
The electromagnetic conversion device is placed in the cavity；Hollow quartz-glass cylinder is arranged in center in the photocatalysis chamber body
Body；The agitating device includes push-pull device at fixed, fixed link and disturbance ring, and the push-pull device at fixed includes hydraulic pump and hydraulic cylinder, institute
It states hydraulic pump driving hydraulic cylinder to move reciprocatingly, the fixed link is two groups, vertically, is relatively fixed in hydraulic cylinder piston head
Portion, the disturbance ring are annulus shape, and Zhi Ding is equal at a distance from two groups of fixed links, and the disturbance ring is fixed on two groups of fixed links
Bottom end, the planar annular for disturbing ring is vertical with the fixed link；Movable rotating vane is set in the fixed link；
The ultraviolet lamp is arranged inside the hollow quartz-glass cylinder；
The magnetic nanometer photocatalyst is placed in photocatalysis chamber body；
The electromagnetic conversion device includes iron core and the conducting wire that is wrapped on iron core, setting power supply and switch, institute on the conducting wire
When stating switch closure, closed circuit is formed；
The photochemical catalyst clean room is arranged below photocatalysis chamber body, and the photochemical catalyst purifier includes shell, shell
Valve is arranged in inside setting ultrasonic cleaning equipment, housing tip setting opening, the opening, and the opening is urged positioned at the light
Change the underface of chamber body cavity madial wall；The housing sidewall setting cleanser entrance and cleanser outlet.
2. light catalytic waste water processing device as described in claim 1, which is characterized in that setting outside the annulus of the disturbance ring
Protrusion.
3. light catalytic waste water processing device as described in claim 1, which is characterized in that the movable rotating vane includes circle
Shape ring and the blade being fixed in circular rings, the circular rings pass through fixed link, upper limit ring are arranged above the circular rings, under
Side's setting lower limit ring.
4. light catalytic waste water processing device as described in claim 1, which is characterized in that setting aeration in the photocatalysis chamber body
Device.
5. light catalytic waste water processing device as described in claim 1, which is characterized in that the sewage inlet and outlet of sewer are set
Set flow control valve.
6. light catalytic waste water processing device as described in claim 1, which is characterized in that the power supply of the ultraviolet lamp is arranged
Inside hollow quartz-glass cylinder.
7. photocatalysis sewage processing method, which is characterized in that include the following steps：
Sewage is imported into photocatalysis chamber body from sewage inlet, ultraviolet lamp is opened, opens agitating device, disturb ring and movable rotation
Blade moves up and down under push-pull device at fixed effect, and magnetic nanometer photocatalyst and sewage are sufficiently mixed, are uniformly dispersed, and disconnects electricity
Magnetic reforming unit switchs, and organic sewage photocatalytically decomposes；
After the completion of sewage disposal, closed electromagnetic reforming unit switch, after continuing stirring 10-20 minutes, by sewage from outlet of sewer
Discharge；
Cleanser is injected into photochemical catalyst clean room, opens photochemical catalyst clean room valve, disconnects electromagnetic conversion device switch,
Magnetic nanometer photocatalyst is fallen into photochemical catalyst clean room, closes valve, opens ultrasonic cleaning equipment；
After the completion of magnetic nanometer photocatalyst cleaning, cleanser is discharged, opens photochemical catalyst clean room valve, opens electromagnetic conversion
Device switchs, and magnetic nanometer photocatalyst enters photocatalysis chamber body under magnetic action, closes valve, can proceed at sewage
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810632037.4A CN108751338A (en) | 2018-06-19 | 2018-06-19 | Light catalytic waste water processing device and sewage water treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810632037.4A CN108751338A (en) | 2018-06-19 | 2018-06-19 | Light catalytic waste water processing device and sewage water treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108751338A true CN108751338A (en) | 2018-11-06 |
Family
ID=63978903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810632037.4A Pending CN108751338A (en) | 2018-06-19 | 2018-06-19 | Light catalytic waste water processing device and sewage water treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108751338A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592777A (en) * | 2018-12-28 | 2019-04-09 | 杭州汉山环境工程技术有限公司 | A kind of sewage oxidation processing equipment |
-
2018
- 2018-06-19 CN CN201810632037.4A patent/CN108751338A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592777A (en) * | 2018-12-28 | 2019-04-09 | 杭州汉山环境工程技术有限公司 | A kind of sewage oxidation processing equipment |
| CN109592777B (en) * | 2018-12-28 | 2022-08-09 | 杭州汉山环境工程技术有限公司 | Sewage oxidation treatment equipment |
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Application publication date: 20181106 |