CN212334663U

CN212334663U - Photocatalytic reaction device for degrading pharmaceutical wastewater

Info

Publication number: CN212334663U
Application number: CN202020661347.1U
Authority: CN
Inventors: 马允
Original assignee: Anqing Medical College
Current assignee: Anqing Medical College
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-12
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a photocatalytic reaction device for degrading pharmaceutical wastewater, which comprises a catalytic box, a stirring part and a light source, wherein the stirring part consists of a motor, a stirring shaft and a rotary blade, the top end of the stirring shaft is connected with the motor and then vertically penetrates into the catalytic box, and the rotary blade is arranged at the bottom of the stirring shaft; the top of the catalytic box is provided with a catalyst feeding part for dispersedly feeding materials into the catalytic box. Has the advantages that: the stirring structure consisting of the stirring shaft and the rotary vane is arranged in the catalysis box, so that a rotational flow can be formed in the photocatalytic reaction process, the contact efficiency of a photocatalyst and a reactant is improved, the efficiency of the photocatalytic reaction is improved, and the uniformity of the photocatalytic reaction is improved; the material portion is thrown to catalyst through setting up the even material of throwing, can be when wanting the inside photocatalyst that drops into of catalysis incasement, through the reposition of redundant personnel, makes photocatalyst at the inside homodisperse of catalysis incasement, improves the degree of consistency that photocatalyst thrown the material, further improves the efficiency and the degree of consistency of photocatalytic reaction.

Description

Photocatalytic reaction device for degrading pharmaceutical wastewater

Technical Field

The utility model relates to a photocatalysis technical field, concretely relates to degradation pharmacy waste water photocatalysis reaction unit.

Background

The photocatalytic oxidation method is characterized in that a photocatalyst is used for absorbing light with a certain wavelength, and an oxidation active substance is generated after excitation to degrade antibiotics, so that organic pollutants can be degraded into inorganic micromolecular substances such as CO2, H2O, halogen ions and the like in a mild environment. In practical application, the photocatalyst TiO2 is directly added into the reaction to automatically generate catalytic effect, and the photocatalyst is in a fixed state in liquid and has small contact area with the liquid, so that the photocatalytic reaction is slow and uneven.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a degradation pharmacy waste water photocatalysis reaction unit just in order to solve above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: through set up agitating unit inside the catalysis incasement portion, form the whirl in the catalytic reaction in-process to improve technical effect such as efficiency and the degree of consistency of photocatalytic reaction, see the explanation below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a photocatalytic reaction device for degrading pharmaceutical wastewater, which comprises a catalytic box, a stirring part and a light source, wherein the stirring part consists of a motor, a stirring shaft and a rotary blade, the motor is installed in the middle of the top of the catalytic box, the top end of the stirring shaft is connected with the motor and then vertically penetrates into the catalytic box, the rotary blade is installed at the bottom of the stirring shaft, a plurality of light sources are installed at the top of the catalytic box, and the top of the catalytic box is provided with a feeding pipe and a sampling port;

the top of the catalytic box is provided with a catalyst feeding part for dispersedly feeding materials into the catalytic box.

Preferably, the catalyst feeding part comprises a funnel, a plurality of transition pipes and feeding nozzles arranged corresponding to the transition pipes; the feeding nozzle is arranged at the top of the catalysis box and penetrates into the catalysis box, the upper end of the transition pipe is connected with the funnel, and the lower end of the transition pipe is connected with the feeding nozzle.

Preferably, the four feeding nozzles are uniformly distributed on the top of the catalytic box.

Preferably, the funnel is disposed directly above the motor.

Preferably, the rotary vane is of a screw conveyer structure.

Preferably, the number of the light sources is two, and the light sources are symmetrically distributed on two sides of the motor.

Preferably, the bottom of the catalysis box is of a convex arc structure, and the bottom surface inside the catalysis box is a concave arc surface.

To sum up, the utility model has the advantages that: 1. the stirring structure consisting of the stirring shaft and the rotary vane is arranged in the catalysis box, so that a rotational flow can be formed in the photocatalytic reaction process, the contact efficiency of a photocatalyst and a reactant is improved, the efficiency of the photocatalytic reaction is improved, and the uniformity of the photocatalytic reaction is improved;

2. the material portion is thrown to catalyst through setting up the even material of throwing, can be when wanting the inside photocatalyst that drops into of catalysis incasement, through the reposition of redundant personnel, makes photocatalyst at the inside homodisperse of catalysis incasement, improves the degree of consistency that photocatalyst thrown the material, further improves the efficiency and the degree of consistency of photocatalytic reaction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

FIG. 3 is a schematic view of the internal structure of FIG. 1;

fig. 4 is a schematic structural diagram of the catalyst feeding portion of the present invention.

The reference numerals are explained below:

1. a catalyst box; 2. a feed pipe; 3. a light source; 4. a catalyst charging section; 41. a funnel; 42. a transition duct; 43. a feeding pipe; 5. a motor; 6. a sampling port; 7. a stirring shaft; 8. and (5) rotating the leaves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a photocatalytic reaction device for degrading pharmaceutical wastewater, which comprises a catalytic box 1, a stirring part and a light source 3, wherein the stirring part comprises a motor 5, a stirring shaft 7 and a rotary vane 8, the motor 5 is arranged in the middle of the top of the catalytic box 1, the top end of the stirring shaft 7 is connected with the motor 5 and then vertically penetrates into the catalytic box 1, the rotary vane 8 is arranged at the bottom of the stirring shaft 7, the top of the catalytic box 1 is provided with a plurality of light sources 3, and the top of the catalytic box 1 is provided with a feeding pipe 2 and a sampling port 6; the top of the catalytic box 1 is provided with a catalyst feeding part 4 for dispersedly feeding materials into the catalytic box, and the catalyst feeding part 4 comprises a funnel 41, a plurality of transition pipes 42 and feeding nozzles 43 arranged corresponding to the transition pipes 42; the feeding nozzle 43 is arranged at the top of the catalytic box 1 and penetrates into the catalytic box 1, the upper end of the transition pipe 42 is connected with the funnel 41, and the lower end of the transition pipe is connected with the feeding nozzle 43; four feeding nozzles 43 are arranged and are uniformly distributed on the top of the catalytic box 1; funnel 41 sets up directly over motor 5, sets up funnel 41 directly over motor 5, will throw the material mouth 43 equipartition simultaneously in catalysis case 1 top, funnel 41 with throw between the material mouth 43 apart from unanimous, can guarantee that the inside photocatalyst of carrying of every transition pipe 42 is unanimous roughly when throwing the material to improve the mixing efficiency of photocatalyst and liquid of waiting to react.

As an optional implementation manner, the rotary vane 8 is a screw-auger-shaped structure or a fan-blade-shaped structure, and after the rotary vane 8 rotates, the liquid to be reacted inside the catalysis box 1 can be driven to flow, so as to form a rotational flow as shown in fig. 3, and in the liquid flowing process, the photocatalyst entering the catalysis box 1 can be uniformly dispersed and can be uniformly contacted with the light emitted by the light source 3, so that the photocatalytic efficiency and uniformity are improved;

the two light sources 3 are symmetrically distributed on two sides of the motor 5, the two light sources 3 are arranged, the uniformity of illumination inside the catalysis box 1 can be improved, and more light sources 3 can be arranged, so that the illumination inside the catalysis box 1 is more uniform;

the bottom of the catalysis box 1 is of a convex arc structure, the bottom surface inside the catalysis box 1 is a concave arc surface, and when the bottom surface inside the catalysis box 1 is a concave arc surface, the rotary vane 8 rotates to drive liquid to flow, so that the flowing resistance of the liquid can be reduced, the flowing speed of the liquid is improved, and bubbles are reduced.

The stirring structure consisting of the stirring shaft 7 and the rotary vane 8 is arranged in the catalysis box 1, so that a rotational flow can be formed in the photocatalytic reaction process, the contact efficiency of a photocatalyst and a reactant is improved, the photocatalytic reaction efficiency is improved, and the photocatalytic reaction uniformity is improved;

through setting up the catalyst of evenly throwing the material and throwing material portion 4, can be when wanting that catalysis case 1 is inside to throw photocatalyst, through the reposition of redundant personnel, make photocatalyst at the inside homodisperse of catalysis case 1, improve the degree of consistency that photocatalyst thrown the material, further improve photocatalytic reaction's efficiency and degree of consistency.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The photocatalytic reaction device for degrading pharmaceutical wastewater is characterized by comprising a catalytic box (1), a stirring part and light sources (3), wherein the stirring part consists of a motor (5), a stirring shaft (7) and rotary vanes (8), the motor (5) is installed in the middle of the top of the catalytic box (1), the top end of the stirring shaft (7) is connected with the motor (5) and then vertically penetrates into the catalytic box (1), the rotary vanes (8) are installed at the bottom of the stirring shaft (7), the plurality of light sources (3) are installed at the top of the catalytic box (1), and a feeding pipe (2) and a sampling port (6) are arranged at the top of the catalytic box (1);

the top of the catalytic box (1) is provided with a catalyst feeding part (4) for dispersedly feeding materials into the catalytic box.

2. The photocatalytic reaction device for degrading pharmaceutical wastewater according to claim 1, characterized in that: the catalyst feeding part (4) comprises a funnel (41), a plurality of transition pipes (42) and feeding nozzles (43) arranged corresponding to the transition pipes (42); the feeding nozzle (43) is arranged at the top of the catalytic box (1) and penetrates into the catalytic box (1), the upper end of the transition pipe (42) is connected with the funnel (41), and the lower end of the transition pipe is connected with the feeding nozzle (43).

3. The photocatalytic reaction device for degrading pharmaceutical wastewater according to claim 2, characterized in that: the four feeding nozzles (43) are uniformly distributed at the top of the catalytic box (1).

4. The photocatalytic reaction device for degrading pharmaceutical wastewater according to claim 2, characterized in that: the funnel (41) is arranged right above the motor (5).

5. The photocatalytic reaction device for degrading pharmaceutical wastewater according to claim 1, characterized in that: the rotary vane (8) is of a screw conveyer structure.

6. The photocatalytic reaction device for degrading pharmaceutical wastewater according to claim 1, characterized in that: the number of the light sources (3) is two, and the two light sources are symmetrically distributed on two sides of the motor (5).

7. The photocatalytic reaction device for degrading pharmaceutical wastewater according to claim 1, characterized in that: the bottom of the catalysis box (1) is of a convex arc structure, and the bottom surface inside the catalysis box (1) is a concave arc surface.