CN216863701U

CN216863701U - Photocatalysis sewage treatment plant

Info

Publication number: CN216863701U
Application number: CN202220585655.XU
Authority: CN
Inventors: 方铮; 王海龙; 陈建忠; 陈志椅
Original assignee: Foshan Huashengwei Technology Co ltd
Current assignee: Foshan Huashengwei Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-01
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a photocatalytic sewage treatment device, which relates to the technical field of sewage treatment equipment and comprises a reaction tank body, wherein a photocatalytic reaction unit and a filtering and purifying chamber are arranged in the reaction tank body, a plurality of filter screens are arranged in the filtering and purifying chamber from low to high, and after sewage flows through the photocatalytic reaction unit, the sewage enters the bottom of the filtering and purifying chamber and passes through the filter screens from bottom to top so as to filter impurities in the sewage and improve the purification effect when the sewage is discharged. A small amount of photocatalyst leaked in the intercepted sewage is filtered through the filtering and purifying chamber, and the blockage problem of the sewage treatment device is effectively avoided. In addition, the spiral-rising-shaped guide plate is arranged, so that the problem of low mass transfer efficiency in the process of photocatalytic degradation of pollutants is solved, and the normal and efficient operation of the sewage treatment device is ensured.

Description

Photocatalysis sewage treatment plant

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a photocatalytic sewage treatment device.

Background

The photocatalysis principle is based on the oxidation-reduction capability of the photocatalyst under the condition of illumination, so that the aims of purifying pollutants, synthesizing and converting substances and the like can be fulfilled. In general, a photocatalytic oxidation reaction uses a semiconductor as a catalyst and light as energy to degrade organic substances into carbon dioxide and water. Therefore, the photocatalytic sewage treatment is an efficient and safe environment-friendly environmental purification technology. In the technology of treating sewage by utilizing light pollution, a mesh bag is generally used for loading a photocatalyst, and sewage flows through the mesh bag and contacts with the photocatalyst and reacts under the action of an ultraviolet lamp. However, after sewage flows through the mesh bag, a small amount of photocatalyst can be brought out under the action of water flow, so that a small amount of photocatalyst is leaked, the technical problem of blocking a sewage treatment device exists, the treatment efficiency of a sewage treatment system is reduced, and the normal operation of the sewage treatment system is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photocatalytic sewage treatment device to solve the technical problem that a sewage treatment system is influenced by the fact that a photocatalyst leaks under the action of water flow to block the sewage treatment device.

In order to solve the technical problems, the utility model discloses: a photocatalysis sewage treatment device comprises a reaction tank body, wherein a photocatalysis reaction unit and a filtering and purifying chamber are arranged in the reaction tank body;

the photocatalytic reaction unit comprises a reaction outer tube, a quartz inner tube, an ultraviolet lamp tube and catalyst mesh bags, the quartz inner tube is coaxially fixed inside the reaction outer tube, the ultraviolet lamp tube is installed inside the quartz inner tube, the reaction outer tube is provided with a spiral ascending guide plate taking the quartz inner tube as a shaft, and the catalyst mesh bags are hung on the back of the guide plate; the water inlet of the reaction outer pipe is arranged at the bottom of the reaction outer pipe, and the water outlet of the reaction outer pipe is arranged at the top of the reaction outer pipe;

the filtering and purifying chamber is provided with a plurality of filtering nets from low to high, and a water inlet of the filtering and purifying chamber is arranged at the bottom of the filtering and purifying chamber and is communicated with a water outlet of the reaction outer pipe; the water outlet of the filtering and purifying chamber is arranged at the top of the reaction tank and is communicated with the interior of the reaction tank body; the water outlet of the reaction tank body is arranged at the top of the reaction tank body.

As an optional implementation mode, the filtering purification chamber is arranged in the middle of the reaction tank body, and the photocatalytic reaction units are distributed at intervals on the periphery of the filtering purification chamber.

As an optional implementation manner, a sewage main pipe is arranged at the bottom of the reaction tank body, the sewage main pipe is provided with a plurality of sewage outlets, and each sewage outlet is communicated with the water inlet of the reaction outer pipe in a one-to-one manner.

As an optional implementation mode, a sewage draining outlet is formed in the bottom of the filtering and purifying chamber, and penetrates through the outer side of the bottom of the reaction tank body.

As an optional implementation manner, an adsorption mesh bag is hung on the filter screen, and the adsorption mesh bag is filled with activated carbon.

As an optional embodiment, the inner wall of the reaction outer tube is provided with an aluminum foil reflecting layer.

As an optional implementation mode, the catalyst mesh bag is provided with a hook, and the back of the guide plate is provided with a hanging ring, and the hook is hung on the hanging ring.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the utility model, the filtering and purifying chamber is arranged to filter and retain a small amount of the photocatalyst leaked from the sewage, so that the leaked photocatalyst is stagnated in the filtering and purifying chamber, the sewage after photocatalytic reaction flows out of the filtering and purifying chamber along with the rise of the water level and is discharged from the water outlet at the top of the reaction tank along with the rise of the water level, the photocatalyst contained in the sewage is reduced when the sewage is discharged, and the problem of blockage of a sewage treatment system is effectively avoided.

It is worth to be noted that the sewage is introduced into the photocatalytic reaction unit, and rises from the bottom of the reaction outer tube along the guide plate in a rotating manner, and in the process of rising, the sewage contacts with the catalyst in the catalyst mesh bag and reacts under the irradiation of the ultraviolet lamp tube. Utilize the guide plate to guide sewage spiral rising ground to pass the reaction outer tube, the route of extension sewage flow through the reaction outer tube, thereby it is long when the improvement sewage is shone by ultraviolet tube, and hang a plurality of catalyst pocket and establish the back at the guide plate, make sewage pass through a plurality of catalyst pocket in proper order at the in-process that flows, greatly increased the contact number of times of sewage and catalyst pocket, make sewage fully react, improve sewage reaction efficiency and reaction effect, solve the problem that photocatalytic degradation pollutant in-process mass transfer efficiency is low, in order to ensure that sewage treatment plant normally high-efficient function, effectively degrade the organic matter in the sewage.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a photocatalytic reaction unit according to one embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another embodiment of the present invention;

in the drawings: 1-a reaction tank body, 11-a sewage header pipe, 2-a photocatalytic reaction unit, 21-a reaction outer pipe, 211-a guide plate, 212-a hanging ring, 22-a quartz inner pipe, 23-an ultraviolet lamp tube, 24-a catalyst mesh bag, 241-a hook, 3-a filtering and purifying chamber, 31-a filter screen, 32-a sewage outlet and 33-an adsorption mesh bag.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

The following describes a photocatalytic sewage treatment device according to an embodiment of the present invention with reference to fig. 1 to 3, including a reaction tank 1, wherein a photocatalytic reaction unit 2 and a filtration purification chamber 3 are disposed in the reaction tank 1; the photocatalytic reaction unit 2 comprises a reaction outer tube 21, a quartz inner tube 22, an ultraviolet lamp tube 23 and catalyst mesh bags 24, wherein the quartz inner tube 22 is coaxially fixed inside the reaction outer tube 21, the ultraviolet lamp tube 23 is installed inside the quartz inner tube 22, the reaction outer tube 21 is provided with a spiral ascending guide plate 211 taking the quartz inner tube 22 as an axis, and the catalyst mesh bags 24 are hung on the back of the guide plate 211; the catalyst mesh bag 24 is filled with a catalyst, a water inlet of the reaction outer tube 21 is arranged at the bottom of the catalyst mesh bag, and a water outlet of the reaction outer tube 21 is arranged at the top of the reaction outer tube; the filtering and purifying chamber 3 is provided with a plurality of filtering screens 31 from low to high, a water inlet of the filtering and purifying chamber 3 is arranged at the bottom of the filtering and purifying chamber and is communicated with a water outlet of the reaction outer pipe 21, and specifically, the water outlet of the reaction outer pipe is communicated with the water inlet of the filtering and purifying chamber 3 through a pipeline; the water outlet of the filtering and purifying chamber 3 is arranged at the top of the reaction tank body and is communicated with the interior of the reaction tank body 1; the water outlet of the reaction tank body 1 is arranged at the top of the reaction tank body.

According to the utility model, the filtering and purifying chamber 3 is arranged to filter and retain a small amount of the photocatalyst leaked from the sewage, so that the leaked photocatalyst is stagnated in the filtering and purifying chamber 3, the sewage after photocatalytic reaction rises with the water level and flows out of the filtering and purifying chamber 3, and then is discharged from the water outlet at the top of the reaction tank body 1, so that the photocatalyst contained in the sewage during discharge is reduced, and the problem of blockage of a sewage treatment system is effectively avoided.

It should be further noted that the wastewater is introduced into the photocatalytic reaction unit 2, and rises from the bottom of the reaction outer tube 21 along the flow guide plate 211 in a rotating manner, and in the process of rising, the wastewater contacts the catalyst in the catalyst mesh bag 24 and reacts under the irradiation of the ultraviolet lamp 23. Utilize guide plate 211 to guide sewage spiral-up ground to pass reaction outer tube 21, the route of extension sewage flow through reaction outer tube 21, thereby it is long when the improvement sewage is shone by ultraviolet tube 23, and hang a plurality of catalyst pocket 24 and establish the back at guide plate 211, make sewage pass through a plurality of catalyst pocket 24 in proper order at the flow in-process, greatly increased sewage and catalyst pocket 24's contact number of times, make sewage fully react, improve sewage reaction efficiency and reaction effect, solve the problem that photocatalysis degradation pollutant in-process mass transfer efficiency is low, with ensure that sewage treatment plant normally operates with high efficiency, effectively degrade the organic matter in the sewage.

As a preferred embodiment, the filtering purification chamber 3 is disposed in the middle of the reaction tank 1, and the photocatalytic reaction units 2 are spaced around the filtering purification chamber 3. Specifically, a plurality of photocatalytic reaction units 2 are distributed at intervals on the periphery of the filtering and purifying chamber 3, so that the filtering and purifying chamber 3 is conveniently connected with the photocatalytic reaction units 2 through pipelines, and the filtering and purifying chamber 3 can collect sewage discharged by each photocatalytic reaction unit 2. Wherein, carry out the photocatalytic reaction through setting up a plurality of photocatalytic reaction unit 2 to sewage, further ensure sewage treatment plant's treatment effeciency.

As a preferred embodiment, the bottom of the reaction tank body 1 is provided with a main sewage pipe 11, the main sewage pipe 11 is provided with a plurality of sewage outlets, and each sewage outlet is communicated with the water inlet of the reaction outer pipe 21 one by one. In this embodiment, introduce sewage through sewage house steward 11, in each sewage export dispersion entering to each photocatalytic reaction unit 2 of rethread, realize concentrating introduction sewage, in the dispersion lets in each photocatalytic reaction unit 2, reduce the sewage water inlet quantity of the retort body 1, further make things convenient for sewage treatment plant's piping arrangement.

As a preferable embodiment, the bottom of the filtering and purifying chamber 3 is provided with a sewage draining outlet 32, and the sewage draining outlet 32 penetrates through the outside of the bottom of the reaction tank body 1. Specifically, as shown in fig. 1, the drain outlet 32 is normally closed by a lid or a switch valve. The bottom of the filtering and purifying chamber 3 is provided with the drain outlet 32 so as to conveniently discharge and collect the photocatalyst settled at the bottom of the filtering and purifying chamber 3, and the photocatalyst is recycled.

As a preferred embodiment, the filter screen 31 is hung with an adsorption mesh bag 33, and the adsorption mesh bag 33 is filled with activated carbon. Specifically, as shown in fig. 3, in one embodiment, an adsorption mesh bag 33 is tied on the filter screen 31, and the adsorption mesh bag 33 filled with activated carbon is suspended in the filtration purification chamber 3 due to buoyancy, so that the activated carbon is fully contacted with the sewage, and the adsorption purification effect on the sewage is improved.

In a preferred embodiment, the inner wall of the reaction outer tube 21 is provided with an aluminum foil reflecting layer. Specifically, in this embodiment, the aluminum foil is wrapped on the outer wall of the reaction outer tube 21, so that the light of the ultraviolet lamp 23 is reflected back to the inside of the reaction outer tube 21, thereby reducing the light loss, improving the illumination intensity, and further improving the sewage reaction efficiency.

As a preferred embodiment, the catalyst mesh bag 24 is provided with a hook 241, the back of the deflector 211 is provided with a hanging ring 212, and the hook 241 is hung on the hanging ring 212. In this embodiment, the catalyst mesh bag 24 is detachably fixed by the hooks 241, so that the catalyst mesh bag 24 can be conveniently disassembled and assembled, and the catalyst can be conveniently recovered and installed.

Other configurations and operations of a photocatalytic sewage treatment apparatus according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a photocatalysis sewage treatment plant which characterized in that: the device comprises a reaction tank body, wherein a photocatalytic reaction unit and a filtering and purifying chamber are arranged in the reaction tank body;

the filtering and purifying chamber is provided with a plurality of filtering nets from low to high, and a water inlet of the filtering and purifying chamber is arranged at the bottom of the filtering and purifying chamber and is communicated with a water outlet of the reaction outer pipe; the water outlet of the filtering and purifying chamber is arranged at the top of the reaction tank and is communicated with the inside of the reaction tank body; the water outlet of the reaction tank body is arranged at the top of the reaction tank body.

2. The photocatalytic sewage treatment device according to claim 1, characterized in that: the filtering and purifying chamber is arranged in the middle of the reaction tank body, and the photocatalytic reaction units are distributed at the periphery of the filtering and purifying chamber at intervals.

3. The photocatalytic sewage treatment device according to claim 2, characterized in that: the bottom of the reaction tank body is provided with a main sewage pipe, the main sewage pipe is provided with a plurality of sewage outlets, and the sewage outlets are communicated with the water inlet of the reaction outer pipe one by one.

4. The photocatalytic sewage treatment device according to claim 1, characterized in that: the bottom of the filtering and purifying chamber is provided with a drain outlet which penetrates to the outer side of the bottom of the reaction tank body.

5. The photocatalytic sewage treatment device according to claim 1, characterized in that: the filter screen is hung with an adsorption mesh bag, and the adsorption mesh bag is filled with activated carbon.

6. The photocatalytic sewage treatment device according to claim 1, characterized in that: and an aluminum foil reflecting layer is arranged on the inner wall of the reaction outer tube.

7. The photocatalytic sewage treatment device according to claim 1, wherein: the catalyst mesh bag is provided with a hook, the back of the guide plate is provided with a hanging ring, and the hanging ring is hung on the hanging ring.