CN210030279U - Device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite - Google Patents
Device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite Download PDFInfo
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- CN210030279U CN210030279U CN201920118502.2U CN201920118502U CN210030279U CN 210030279 U CN210030279 U CN 210030279U CN 201920118502 U CN201920118502 U CN 201920118502U CN 210030279 U CN210030279 U CN 210030279U
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Abstract
The utility model relates to a device for treating coking wastewater by combining ultraviolet photocatalysis and expanded graphite, which belongs to the technical field of wastewater treatment and specifically comprises an inner tank body arranged inside an outer tank body, a wastewater inlet header pipe and a water inlet connecting pipe are arranged on a wastewater tank, the water inlet connecting pipe is connected with the outer tank body and a cavity between the inner tank body, a wastewater lifting pump, a water inlet control valve and a flowmeter are arranged on the water inlet connecting pipe, a filter element containing expanded graphite is arranged in the inner tank body, a plurality of submerged ultraviolet lamp tubes are arranged in the cavity between the outer tank body and the inner tank body, a cover plate is also arranged at the top of the outer tank body, the submerged ultraviolet lamp tubes are fixed on the cover plate, the inner wall of the outer tank body and the outer wall of the inner tank body are both coated with nano photocatalyst coatings, the bottom of the inner tank body is provided with a water outlet pipe connected, blow-down pipe is still installed to the bottom of the outer tank body, the utility model discloses area is little, and is pollution-free, and the running cost is low, and processing cycle is short.
Description
Technical Field
The utility model relates to a device for treating coking wastewater by combining ultraviolet photocatalysis with expanded graphite, which belongs to the technical field of wastewater treatment.
Background
With the development of the coal chemical industry, the wastewater produced by a coking plant has complex components and contains a large amount of refractory organic matters and toxic and harmful substances, and serious water and soil pollution can be caused if the wastewater cannot be effectively treated. The existing treatment method is biochemical treatment, and the treated wastewater hardly reaches the national industrial wastewater discharge standard, particularly the oily substances in the wastewater hardly reach the ideal treatment effect.
The expanded graphite is a simple substance material prepared from crystalline flake graphite, has good adsorbability, has strong adsorbability to heavy oil and other oil substances, can work under severe conditions of high temperature, high pressure, ultralow temperature, radiation and the like, and has good softness, lubricity and self-adhesiveness.
The photocatalytic degradation method is characterized in that the main component of the coated coating is titanium dioxide semiconductor material, the material is a good photocatalytic material, under the irradiation of ultraviolet light, basic state electrons absorb energy and transfer to a conduction band to form photoproduction holes and electrons with strong oxidizing property, and the photoproduction holes and the electrons can degrade organic matters into water and harmless substances, so that the efficiency is high, and no pollution is caused.
How to treat waste water by using a photocatalytic degradation method and expanded graphite is a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a small in floor area, pollution-free, the running cost is low, and processing cycle is short, and efficient ultraviolet catalysis combines together with expanded graphite handles coking wastewater's device.
In order to realize the purpose, the technical proposal adopted by the utility model is a device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite, which comprises an outer tank body, an inner tank body, a wastewater tank and an intermediate water tank, the inner tank body is arranged in the outer tank body, the waste water tank is provided with a waste water inlet main pipe and a water inlet connecting pipe, the water inlet connecting pipe is connected with a cavity between the outer tank body and the inner tank body, and the water inlet connecting pipe extends to the bottom of the outer tank body from top to bottom, a wastewater lifting pump, a water inlet control valve and a flowmeter are arranged on the water inlet connecting pipe, a filter element containing expanded graphite is arranged in the inner tank body, a plurality of submerged ultraviolet lamp tubes are arranged in a cavity between the outer tank body and the inner tank body, the top of the outer tank body is also provided with a cover plate, the submerged ultraviolet lamp tube is fixed on the cover plate, and the inner wall of the outer tank body and the outer wall of the inner tank body are coated with TiO-containing materials.2The nano photocatalyst coating comprises an inner tank body, wherein a water outlet pipe is arranged at the bottom of the inner tank body and connected with an intermediate water tank, a water outlet faucet is installed on the intermediate water tank, an emptying pipe is also installed at the bottom of the outer tank body, and an emptying control valve is installed on the emptying pipe.
Preferably, the submerged ultraviolet lamp tubes are uniformly arranged in a circular shape, the length of the submerged ultraviolet lamp tubes is 350mm, the power is 60W, the wave band is 185-295 nm, and a floating ball liquid level meter is further arranged in a cavity between the outer tank body and the inner tank body.
Preferably, the upper part of the inner tank body is provided with a water distribution plate, the water distribution plate is provided with a plurality of water distribution holes, and the top circumference of the inner tank body is provided with a water outlet weir plate.
Preferably, the filter element mainly comprises an expanded graphite layer, a filter material layer, a supporting layer and a supporting net, the supporting layer is arranged at the bottom of the inner tank body, the filter material layer is arranged at the top of the supporting layer, the supporting net is arranged at the bottom of the supporting layer, a grid plate is arranged at the top of the filter material layer, the expanded graphite layer is arranged at the top of the grid plate, and the water distribution plate is arranged at the top of the expanded graphite layer.
Preferably, the filter material layer is a quartz sand filter material, and the supporting layer is paved by massive cobblestones.
Preferably, the inner tank body and the outer tank body are both made of polypropylene resin materials.
Preferably, the intermediate tank is also connected to the waste tank by a return line.
Compared with the prior art, the utility model discloses following technological effect has: the utility model has simple structure, small investment, low operation cost and small occupied area, adopts the combination of ultraviolet irradiation photocatalytic degradation and expanded graphite filler adsorption, has no pollution and high efficiency in the photocatalytic degradation process, and can degrade organic matters into water and harmless substances; the surface and the inside of the expanded graphite are provided with rich hole structures, so that the expanded graphite has good rapid adsorption performance on oil substances, can be used as fuel after oil absorption, and has no secondary pollution; the whole device is reasonable in arrangement, good in treatment effect and free of secondary pollution.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle cover plate of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figure 1, the device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite comprises an outer tank body 23, an inner tank body 6, a wastewater tank 19 and an intermediate water tank 24, wherein the inner tank body 6 and the outer tank body 23 are made of polypropylene resin materials, the corrosion resistance is good, and the inner tank body 6 is arranged on the outer tank body23, a wastewater inlet main pipe 22 and a water inlet connecting pipe 3 are arranged on the wastewater tank 19, the water inlet connecting pipe 3 is connected with the cavities between the outer tank 23 and the inner tank 6, the water inlet connecting pipe 3 extends to the bottom of the outer tank 23 from top to bottom, a wastewater lifting pump 1, a water inlet control valve 2 and a flowmeter 4 are arranged on the water inlet connecting pipe 3, a filter element 7 containing expanded graphite is arranged in the inner tank 6, a plurality of submerged ultraviolet lamp tubes 8 are arranged in the cavity between the outer tank 23 and the inner tank 6, a cover plate 5 is also arranged at the top of the outer tank 23, the submerged ultraviolet lamp tubes 8 are fixed on the cover plate 5, and the inner walls of the outer tank 23 and the inner tank 6 are coated with a coating containing TiO2The nano photocatalyst coating is characterized in that a water outlet pipe 16 is arranged at the bottom of the inner tank body 6, the water outlet pipe 16 is connected with a middle water tank 24, a water outlet faucet 21 is installed on the middle water tank 24, an emptying pipe 17 is also installed at the bottom of the outer tank body 23, and an emptying control valve 18 is installed on the emptying pipe 17.
The utility model discloses well waste water tank 19 stores has waste water, and connecting pipe 3 of intaking is connected to 19 bottoms of waste water tank, and waste water promotes by waste water elevator pump 1, and the inlet tube part outside the jar is equipped with into water control valve 2 and flowmeter 4, and the lower part between the outer jar of body 23 of the other end direct outer jar of connecting pipe 3 of intaking and the inner tank body 6. The inner wall of the outer tank body and the inner wall of the inner tank body are coated with TiO-containing coating2The nano photocatalyst coating. The submerged ultraviolet lamp tube 8 can be connected with an external power supply, is suspended between two walls, is fixed in position by the aid of the cover plate 5, is uniformly arranged in a circumferential mode, ensures that ultraviolet light irradiates waste water for 360 degrees, has the length of 350mm and the power of 60W, has the wave band of 185-295 nm, and is also provided with a floating ball liquid level meter 25 in a cavity between the outer tank body 23 and the inner tank body 6. The upper part of the inner tank body is provided with a water outlet weir plate 9, which ensures that the water outlet is even. The water distribution plate 10 is arranged above the expanded graphite layer 11 to ensure uniform water distribution. The lower part of the expansion layer is provided with a filter material layer 13 and a supporting layer 14, a grid plate 12 is arranged between the expansion layer and the filter material layer, and the iron net 15 at the bottom of the filter material layer is provided with uniform holes with small apertures which are arranged in a starry sky, thereby not only being used as a support, but also being used for controlling water. The bottom of the inner tank body is directly connected with a water outlet pipe 16. The effluent flows into the intermediate water tank 24 and can be discharged through the water tap 21, and part of the water flows to the inlet water tank through the return pipe to realize the circular treatment. The outer tank body is provided with a large-caliber vent pipe 17, and a vent pipe ball valve 18 can be opened to empty the waste water in the tank when necessary.
The filter element 7 mainly comprises an expanded graphite layer 11, a filter material layer 13, a supporting layer 14 and a supporting net 15, the supporting layer 14 is arranged at the bottom of the inner tank body 6, the filter material layer 13 is arranged at the top of the supporting layer 14, the supporting net 15 is arranged between the filter material layer 13 and the supporting layer, a grid plate 12 is arranged at the top of the filter material layer 13, the expanded graphite layer 11 is arranged at the top of the grid plate 12, the water distribution plate 10 is arranged at the top of the expanded graphite layer 11, the filter material layer 13 is a quartz sand filter material, and the supporting layer is laid by large cobblestones. The water distribution plate is used for enabling waste water after photocatalysis to uniformly enter the expanded graphite layer in the inner tank body, the grid plate is used for preventing the expanded graphite from losing, and the iron net is provided with uniform small-caliber holes and is good in permeability.
The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a device that coking wastewater was handled with expanded graphite combination to ultraviolet catalysis, includes outer jar of body, inner tank body, waste water tank and middle water tank, its characterized in that: the utility model discloses a sewage treatment device, including inner tank body, waste water tank, inlet connecting pipe, waste water lift pump, water inlet control valve and flowmeter, the inner tank body is installed at the outer jar of internal portion, be provided with waste water inlet manifold and inlet connecting pipe on the waste water tank, inlet connecting pipe and the outer jar of internal portion cavity between body, the inner tank body is connected, and the inlet connecting pipe extends to the outer jar of body bottom from top to bottom, install waste water elevator pump, water inlet control valve and flowmeter on the inlet connecting pipe, the internal filter core that contains expanded graphite that is provided with of inner tank, install a plurality of submerged ultraviolet fluorescent tubes in the cavity between the outer jar of body and the inner tank body, the apron is still installed at the top of the outer jar of body, submerged ultraviolet fluorescent2The nano photocatalyst coating is characterized in that a water outlet pipe is arranged at the bottom of the inner tank body and connected with a middle water tank, a water outlet faucet is mounted on the middle water tank, and the outer tank isThe bottom of the body is also provided with a vent pipe, and the vent pipe is provided with a vent control valve.
2. The device for treating the coking wastewater by combining the ultraviolet light catalysis and the expanded graphite according to the claim 1, is characterized in that: the submerged ultraviolet lamp tubes are uniformly arranged in a circular shape, the length of each submerged ultraviolet lamp tube is 350mm, the power of each submerged ultraviolet lamp tube is 60W, the wave band of each submerged ultraviolet lamp tube is 185-295 nm, and a floating ball liquid level meter is further arranged in a cavity between the outer tank body and the inner tank body.
3. The device for treating the coking wastewater by combining the ultraviolet light catalysis and the expanded graphite according to the claim 1, is characterized in that: the upper part of the inner tank body is provided with a water distribution plate, the water distribution plate is provided with a plurality of water distribution holes, and the circumference of the top of the inner tank body is provided with a water outlet weir plate.
4. The device for treating the coking wastewater by combining the ultraviolet light catalysis and the expanded graphite according to the claim 3, is characterized in that: the filter element mainly comprises an expanded graphite layer, a filter material layer, a supporting layer and a supporting net, wherein the supporting layer is arranged at the bottom of the inner tank body, the filter material layer is arranged at the top of the supporting layer, the supporting net is arranged at the bottom of the supporting layer, a grid plate is arranged at the top of the filter material layer, the expanded graphite layer is arranged at the top of the grid plate, and the water distribution plate is arranged at the top of the expanded graphite layer.
5. The device for treating the coking wastewater by combining the ultraviolet light catalysis and the expanded graphite according to the claim 4, is characterized in that: the filter material layer is a quartz sand filter material, and the bearing layer is paved by massive cobblestones.
6. The device for treating the coking wastewater by combining the ultraviolet light catalysis and the expanded graphite according to the claim 1, is characterized in that: the inner tank body and the outer tank body are both made of polypropylene resin materials.
7. The device for treating the coking wastewater by combining the ultraviolet light catalysis and the expanded graphite according to the claim 1, is characterized in that: the intermediate water tank is also connected with the waste water tank through a return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118502.2U CN210030279U (en) | 2019-01-24 | 2019-01-24 | Device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118502.2U CN210030279U (en) | 2019-01-24 | 2019-01-24 | Device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210030279U true CN210030279U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920118502.2U Active CN210030279U (en) | 2019-01-24 | 2019-01-24 | Device for treating coking wastewater by combining ultraviolet light catalysis and expanded graphite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210030279U (en) |
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2019
- 2019-01-24 CN CN201920118502.2U patent/CN210030279U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 030024 No. 3, East First Lane, Houwang Street, Wanbailin District, Taiyuan City, Shanxi Province Patentee after: Shanghai Electric Group guokong Global Engineering Co.,Ltd. Address before: 030024 No. 3, East First Lane, Houwang Street, Wanbailin District, Taiyuan City, Shanxi Province Patentee before: SHANXI GUOKONG GLOBE ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |