CN213387891U - Medical waste water device is handled to photocatalysis - Google Patents
Medical waste water device is handled to photocatalysis Download PDFInfo
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- CN213387891U CN213387891U CN202022151737.7U CN202022151737U CN213387891U CN 213387891 U CN213387891 U CN 213387891U CN 202022151737 U CN202022151737 U CN 202022151737U CN 213387891 U CN213387891 U CN 213387891U
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- photocatalyst
- degradation chamber
- photocatalytic
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Abstract
A photocatalytic medical wastewater treatment device belongs to the technical field of sewage treatment, and particularly relates to a photocatalytic medical wastewater treatment device. The utility model provides a medical waste water device is handled to photocatalysis. The utility model discloses a degradation chamber, its characterized in that degradation indoor is provided with photocatalyst attachment device 3 and light source, and the degradation chamber is provided with import and export.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to a medical effluent treatment plant of photocatalysis.
Background
The medical wastewater is refractory wastewater with high concentration and poor biodegradability. With the rapid development of the medical industry and the cleaning and crushing of medical instruments and disposable injection tools used in hospitals, a large amount of medical wastewater is generated. The residual medicine impurities in some waste water often pollute the environment, and the residual harmful substances can also go deep into the ground, so that the underground water is polluted, the daily drinking of people is influenced, and the serious threat is brought to the human health.
Medical wastewater has complex components, high concentrations of drugs, microorganisms and germs, and large salinity, chromaticity and toxicity, often contains a wide variety of organic pollutants, many of which are difficult to biodegrade and can be left in the environment for a long time.
Can degrade organic matters and germs by the photocatalyst. FIG. 3 is a schematic diagram of visible light catalysis. The main working principle of the photocatalyst is that semiconductor materials generate photo-generated electrons and holes under the irradiation of light, and then are converted into other forms of energy. The materials have the advantages of environmental friendliness, large redox window and good stability. As shown in FIG. 3b, the Z-type photocatalytic system is designed with reference to the mechanism of photosynthesis in nature, and generally comprises two "staggered energy level" semiconductor systems (PS-I, and PS-II). PS-I is illuminated and valence band (VB 1) electrons are excited to conduction band (CB 1) and then flow to PS-II's VB 2.
SUMMERY OF THE UTILITY MODEL
The utility model provides a photocatalysis treatment medical waste water device aiming at the problems.
In order to achieve the above object, the utility model adopts the following technical scheme, the utility model discloses a degradation chamber, its characterized in that degradation indoor is provided with photocatalyst attachment device 3 and light source, and the degradation chamber is provided with import and export.
As a preferred scheme, the degradation chamber of the utility model is a plurality of series connection.
As another preferred scheme, the degradation chamber of the utility model is three and establishes ties.
As another preferred scheme, the degradation chamber import links to each other with the export of elevator pump.
As another preferred scheme, the inside of the degradation chamber is provided with a cylindrical body with a bottom plate, an inlet is arranged in the middle of the cylindrical body, the upper end of the periphery of the cylindrical body is provided with a water passing hole, water flows into the outer side of the cylindrical body through the water passing hole, then flows downwards through an outlet cavity 7 at the lower part of the degradation chamber, and finally flows out from an outlet at the middle part of the lower end of the degradation chamber; the photocatalyst adhesion device 3 and the light source are disposed inside the cylindrical body.
As another preferred scheme, the cylindrical body of the utility model is provided with a plurality of vertical cylindrical walls from the middle part to the periphery, and the height of the vertical cylindrical walls is gradually increased from the middle part to the periphery; a photocatalyst attaching device 3 and a light source are arranged between the adjacent vertical cylinder walls.
As another preferred scheme, the utility model discloses the junction of vertical section of thick bamboo wall and bottom plate is fillet transition 13.
As another preferable mode, the photocatalyst attaching apparatus 3 of the present invention is a photocatalyst attaching apparatus 3 that can be taken out.
As another preferred scheme, the photocatalyst attachment device 3 of the present invention comprises a transparent photocatalyst attachment tube with a closed lower end, wherein the photocatalyst is attached to the outer wall of the photocatalyst attachment tube; the light source is a tubular body and is arranged in the photocatalyst attaching pipe.
As another preferred scheme, along the photocatalyst adhering to pipe of a plurality of siphonozooid light sources of circumference equipartition between the adjacent vertical section of thick bamboo wall.
As another preferred scheme, the upper end of the degradation chamber of the utility model is provided with a support cover 2; the upper end of the photocatalyst attaching pipe is in threaded connection with the support cover 2.
As another preferred scheme, hold in the palm lid 2 by the middle part to periphery risees gradually, hold in the palm 2 upper ends of lid and be provided with and cover 1, the import setting of degradation chamber is covering 1 middle part, holds in the palm 2 middle parts of lid and is provided with the through-hole.
As another preferred scheme, the import and the department of passing through of degradation room all are provided with the valve.
As another preferred scheme, the light source of the present invention comprises visible light with wavelength of 360nm, 420nm and 560 nm.
As another preferred scheme, the utility model discloses the photocatalyst adopts Z type photocatalytic material.
Secondly, the cross-section of exit cavity 7 is for falling trapezoidal.
Additionally, the degradation chamber exit is provided with the sample three-way valve.
The utility model has the advantages of.
The utility model discloses a mode that sets up photocatalyst, to organic matter and germ degradation, waste water treatment is effectual, and the energy consumption is low.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the serial connection structure of the degradation chambers of the present invention.
Fig. 3 is a schematic diagram of a photocatalyst.
FIG. 4 is a CdS/BiVO4 structure diagram and an electron transfer mechanism diagram (a), a photodegradation Escherichia coli concentration variation with time diagram (b) and an Escherichia coli protein flight mass spectrum diagram (c) at different times
In the figure, 1-cover; 2-upper tray; 3-a photocatalyst attachment device; 4-vertical cylinder wall; 5-a bottom plate; 6-a degradation chamber; 7-outlet chamber; 8-a pillar; 9-a buffer region; 10-a through port; 11-an outlet; 12-a cylindrical body; 13-fillet transition; 15-lift pump.
Detailed Description
As shown in the figure, the utility model discloses a degradation room is provided with photocatalyst attachment device 3 and light source in, and the degradation room is provided with import and export.
The degradation chamber is in a plurality of series connection. The outlet of the preceding stage degradation chamber can be connected with the inlet of the subsequent stage degradation chamber through a hose.
And the inlet of the degradation chamber is connected with the outlet of the lift pump.
A cylindrical body with a bottom plate (the bottom plate is fixed with the main body of the degradation chamber) is arranged in the degradation chamber, an inlet is arranged in the middle of the cylindrical body, the upper end of the periphery of the cylindrical body is provided with a water passing hole, water flows into the outer side of the cylindrical body through the water passing hole, then flows downwards through an outlet chamber 7 at the lower part of the degradation chamber and finally flows out from an outlet at the middle part of the lower end of the degradation chamber; the photocatalyst adhesion device 3 and the light source are disposed inside the cylindrical body.
The cylindrical body is provided with a plurality of vertical cylindrical walls from the middle part to the periphery, and the height of the vertical cylindrical walls is gradually increased from the middle part to the periphery; a photocatalyst attaching device 3 and a light source are arranged between the adjacent vertical cylinder walls. After entering the degradation chamber, the liquid fills the area surrounded by the vertical cylinder wall in the middle, then flows out from the upper end opening to fill the area surrounded by the adjacent vertical cylinder wall outside, the liquid is in a Z-shaped flow mode, and finally flows into the outlet chamber 7 from the upper end of the cylindrical body outwards and downwards, so that the reaction is more sufficient, and the wastewater treatment degree is improved.
The junction of the vertical cylinder wall and the bottom plate is in fillet transition. The fillet transition can reduce the backward flow of waste liquid, reduces frictional resistance.
The photocatalyst adhesion device 3 is a removable photocatalyst adhesion device.
The photocatalyst attaching device 3 comprises a transparent photocatalyst attaching tube with a closed lower end, and the photocatalyst is attached to the outer wall of the photocatalyst attaching tube; the light source is a tubular body and is arranged in the photocatalyst attaching pipe.
The photocatalyst may be coated on the outer wall of the photocatalyst-attached tube.
And a plurality of photocatalyst attaching tubes of tubular light sources are uniformly distributed between the adjacent vertical tube walls along the circumferential direction.
The upper end of the degradation chamber is provided with a support cover 2 (the support cover 2 is connected with the upper end of the degradation chamber through a clamping groove); the upper end of the photocatalyst attaching pipe is in threaded connection with the support cover 2; the replacement is convenient.
The support cover 2 is gradually lifted from the middle part to the periphery, the upper end of the support cover 2 is provided with a cover 1 (the cover 1 is connected with the support cover 2 through a clamping groove), the inlet of the degradation chamber is arranged in the middle of the cover 1, and the middle of the support cover 2 is provided with a through hole. The supporting cover 2 gradually rises from the middle part to the periphery to form a buffer area.
And valves are arranged at the inlet and the through hole of the degradation chamber.
The light source comprises visible light in the wavelength bands of 360nm, 420nm and 560 nm. The wavelength can be set by conventional means of adding a filter plate. The three degradation chambers are connected in series, the light source of the first degradation chamber can adopt visible light with a wave band of 360nm, the light source of the second degradation chamber can adopt visible light with a wave band of 420nm, and the light source of the third degradation chamber can adopt visible light with a wave band of 560 nm.
The photocatalyst adopts Z-type photocatalytic material. The kind and density of the catalyst can be adjusted according to different components and concentrations of the wastewater.
The cross section of the outlet chamber 7 is inverted trapezoid.
And a sampling three-way valve is arranged at the outlet of the degradation chamber.
The lower end of the degradation chamber can be provided with a pillar 8.
The inner wall of the cylindrical body, the vertical cylindrical wall and the inner wall of the support cover 2 are coated with a reflective layer, so that the light utilization rate is increased.
The side wall of the degradation chamber can be provided with a window for observing the liquid level in the degradation chamber.
The outlet of the degradation chamber can be provided with a flowmeter.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (8)
1. A photocatalytic medical wastewater treatment device comprises a degradation chamber, and is characterized in that a photocatalyst attachment device (3) and a light source are arranged in the degradation chamber, and the degradation chamber is provided with an inlet and an outlet;
a cylindrical body with a bottom plate is arranged in the degradation chamber, an inlet is arranged in the middle of the cylindrical body, the upper end of the periphery of the cylindrical body is provided with a water passing hole, water flows into the outer side of the cylindrical body through the water passing hole, then flows downwards through an outlet chamber (7) at the lower part of the degradation chamber and finally flows out from an outlet at the middle of the lower end of the degradation chamber; the photocatalyst attachment device (3) and the light source are disposed inside the cylindrical body.
2. The device for photocatalytic treatment of medical wastewater according to claim 1, wherein the cylindrical body is provided with a plurality of vertical cylindrical walls from the middle part to the periphery, and the height of the vertical cylindrical walls is gradually increased from the middle part to the periphery; a photocatalyst attachment device (3) and a light source are arranged between the adjacent vertical cylinder walls.
3. The device for photocatalytic treatment of medical wastewater according to claim 2, characterized in that the junction between the vertical cylinder wall and the bottom plate is a rounded transition (13).
4. The device for photocatalytic treatment of medical wastewater according to claim 1, wherein the photocatalyst attachment device (3) comprises a transparent photocatalyst attachment tube closed at the lower end, and the photocatalyst is attached to the outer wall of the photocatalyst attachment tube; the light source is a tubular body and is arranged in the photocatalyst attaching pipe.
5. The device for photocatalytic treatment of medical wastewater according to claim 2, characterized in that a plurality of photocatalyst attachment tubes of tubular light sources are uniformly distributed between the adjacent vertical cylinder walls along the circumferential direction.
6. A photocatalytic medical waste water treatment device according to claim 5, characterized in that the upper end of the degradation chamber is provided with a support cover (2); the upper end of the photocatalyst attaching pipe is in threaded connection with the support cover (2).
7. The device for photocatalytic treatment of medical wastewater according to claim 6, characterized in that the supporting cover (2) gradually rises from the middle to the periphery, the cover (1) is arranged at the upper end of the supporting cover (2), the inlet of the degradation chamber is arranged at the middle of the cover (1), and the through opening is arranged at the middle of the supporting cover (2).
8. A photocatalytic medical waste water treatment device according to claim 1, characterized in that the cross section of the outlet chamber (7) is inverted trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151737.7U CN213387891U (en) | 2020-09-27 | 2020-09-27 | Medical waste water device is handled to photocatalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151737.7U CN213387891U (en) | 2020-09-27 | 2020-09-27 | Medical waste water device is handled to photocatalysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213387891U true CN213387891U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022151737.7U Active CN213387891U (en) | 2020-09-27 | 2020-09-27 | Medical waste water device is handled to photocatalysis |
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| Country | Link |
|---|---|
| CN (1) | CN213387891U (en) |
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2020
- 2020-09-27 CN CN202022151737.7U patent/CN213387891U/en active Active
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