Multi-medium filter coupling ozone catalytic oxidation device

Abstract

The utility model relates to a multi-media filter coupling ozone catalytic oxidation device, which comprises an ozone catalytic tower and a multi-media filter, a tail gas collecting port is arranged at the top of the ozone catalytic tower, a first water inlet pipe of the multi-media filter is connected with a gas dissolver, and the tail gas collecting port is connected with a gas inlet of the first gas dissolver; according to the coupling ozone catalytic oxidation device for the multi-medium filter, ozone tail gas is introduced into the multi-medium filter for use, so that the problem of tail gas treatment of the ozone catalytic tower is solved, the breeding of algae in the multi-medium filter is inhibited, and the service time is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the sewage treatment technical field, concretely is a kind of multi-medium filter coupling ozone catalytic oxidation device. BACKGROUND

[0002] Multi-medium filter is a kind of equipment widely used in water treatment field, through the combination and stratified filtration of different filter materials, can effectively remove suspended impurities, colloid, organic matter, micro-particle and bacteria in water, so as to obtain clear water quality.Multi-medium filter is continuously operated for a long time, if not enough maintenance and cleaning, a large amount of organic matter and impurities will be accumulated in filter material surface and pore, which can cause algae breeding.Algae grow and reproduce on filter material surface, which can block the pore of filter material, hinder the normal passage of water, cause corrosion and erosion to filter material, accelerate the aging and damage of filter material, and reduce the treatment effect of multi-medium filter.

[0003] Ozone catalytic oxidation is a kind of widely used advanced oxidation technology in water treatment field, ozone is decomposed to produce hydroxyl radical (·OH) under the action of catalyst, and hydroxyl radical has strong oxidizing property, which can oxidize and decompose refractory pollutants in sewage into small molecular substances such as carbon dioxide and water.In ozone catalytic oxidation, a part of ozone is inevitably not completely consumed, and this part of ozone is discharged together with tail gas, and the existing technology usually uses a specific tail gas treatment device to treat tail gas, consume residual ozone in reaction, or recycle the treated tail gas back to the front end of ozone generator, which is difficult to be directly used, on the other hand, algae breed seriously in multi-medium filter, and the equipment needs to be cleaned regularly. CONTENT OF UTILITY MODEL

[0004] The utility model aims at dissolving the ozone-containing tail gas remaining in ozone catalytic oxidation tower into the water inlet of multi-medium filter, so as to curb the breeding of algae in multi-medium filter, ensure the long-term stable operation of filter, and solve the problem of ozone catalytic tower tail gas treatment.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of multi-medium filter coupling ozone catalytic oxidation device, comprising,

[0006] Ozone catalytic tower and multi-medium filter, the top of the ozone catalytic tower is provided with tail gas collecting port, the first water inlet pipe of the multi-medium filter is connected with gas dissolver, and the tail gas collecting port is connected with the gas inlet of first gas dissolver.

[0007] As a preferred technical scheme of a kind of multi-medium filter coupling ozone catalytic oxidation device, the second water inlet pipe is arranged in the bottom of the side of the ozone catalytic tower, and the first water outlet pipe of the multi-medium filter is connected with the second water inlet pipe.

[0008] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the lower water drain pipe is extended from the bottom of the multi-medium filter, and the upper water inlet pipe is extended from the top of the multi-medium filter.

[0009] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the first water inlet pipe is connected with the upper water inlet pipe, and the upper water inlet pipe is also connected with the backwashing water drain pipe.

[0010] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the first water outlet pipe is connected with the lower water drain pipe, and the first air inlet pipe, the positive water drain pipe and the backwashing water inlet pipe are also connected with the lower water drain pipe.

[0011] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the exhaust pipe is arranged at the top of the multi-medium filter.

[0012] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the ozone catalytic tower is arranged at the bottom of the multi-medium filter, and the ozone catalytic tower is arranged at the top of the multi-medium filter.

[0013] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the ozone catalytic tower is arranged at the bottom of the multi-medium filter, and the ozone catalytic tower is arranged at the top of the multi-medium filter.

[0014] As a kind of preferred technical scheme of the multi-medium filter coupling ozone catalytic oxidation device, the ozone catalytic tower is arranged at the bottom of the multi-medium filter, and the ozone catalytic tower is arranged at the top of the multi-medium filter.

[0015] The multi-medium filter coupling ozone catalytic oxidation device of the utility model has the advantages that ozone tail gas is connected into the multi-medium filter for use, which solves the problem of ozone catalytic tower tail gas treatment, and inhibits the breeding of algae in the multi-medium filter, thereby prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the drawings for the ordinary skilled in the art without the creative labor. Among them:

[0017] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0018] Fig. 2 This is a schematic diagram of the ozone catalytic tower in this utility model;

[0019] Fig. 3 This is a schematic diagram of the structure of the multi-media filter in this utility model.

[0020] Reference numerals: dissolved air reactor 202, exhaust gas collection port 101, second water inlet pipe 102, first water inlet pipe 201, upper water inlet pipe 205, backwash drain pipe 206, first water outlet pipe 203, lower drain pipe 204, first air inlet pipe 207, forward drain pipe 208, backwash water inlet pipe 209, multi-media filter 200, exhaust pipe 210, return water port 104, dissolved air pump 105, second dissolved air reactor 106, dissolved air water inlet 103, product water port 107, backwash outlet 108, vent outlet 109, ozone catalytic tower 100, backwash inlet 110, two-way safety breather valve 111. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0024] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0025] Example 1

[0026] Reference Figs. 1-3This embodiment provides a multi-media filter coupled ozone catalytic oxidation device, including an ozone catalytic tower 100 and a multi-media filter 200. The ozone catalytic tower 100 is provided with a tail gas collection port 101 at the top. The multi-media filter 200 is connected to a dissolved air device 202 at the first water inlet pipe 201. The tail gas collection port 101 is connected to the air inlet of the first dissolved air device 202.

[0027] The filter inlet is supplied by the filter water pump first air-dissolver 202, and the outlet of air-dissolver 202 is connected to the first water inlet pipe 201.

[0028] The ozone catalytic tower 100 has a second water inlet pipe 102 at the bottom side, and the first water outlet pipe 203 of the multi-media filter 200 is connected to the second water inlet pipe 102.

[0029] A lower drain pipe 204 extends from the bottom of the multi-media filter 200, and an upper inlet pipe 205 extends from the top of the multi-media filter 200.

[0030] The first water inlet pipe 201 is connected to the upper water inlet pipe 205, and the upper water inlet pipe 205 is also connected to the backwash drain pipe 206.

[0031] The first water outlet pipe 203 is connected to the lower drain pipe 204. The lower drain pipe 204 is also connected to the first air inlet pipe 207, the forward drain pipe 208, and the backwash water inlet pipe 209. The backwash water inlet pipe 209 is connected to the backwash water self-filter backwash water pump. The first air inlet pipe 207 is connected to the backwash air self-compressed air storage tank. The forward drain pipe 208 and the backwash drain pipe 206 are connected to the drain ditch.

[0032] The multi-media filter 200 is provided with an exhaust pipe 210 at the top.

[0033] The exhaust pipe 210 is connected to the drain.

[0034] The ozone catalytic tower 100 has a dissolved air water inlet 103 on the bottom side and a return water inlet 104 on the top side. The return water inlet 104 is connected to the inlet of the second dissolved air device 106 through a dissolved air water pump 105. The outlet of the second dissolved air device 106 is connected to the dissolved air water inlet 103.

[0035] The ozone catalytic tower 100 has a water production port 107 and a backwash outlet 108 on its top side, and an vent outlet 109 on its bottom side.

[0036] The water outlet 107 directs the ozone catalytic tower outlet water to the water production tank, while the backwash outlet 108 and the vent outlet 109 are connected to the drainage tank.

[0037] The ozone catalytic tower 100 is also equipped with a backwash inlet 110 on its side.

[0038] The backwash inlet 110 is connected to the backwash air intake self-compressed air storage tank.

[0039] It should be noted that valves are installed on each pipeline.

[0040] The air inlet of the second dissolved air device 106 is connected to the ozone generator.

[0041] The top of the ozone catalytic tower 100 is equipped with a two-way safety breather valve 111.

[0042] The ozone catalytic tower 100 also has a catalyst packing layer inside.

[0043] This invention utilizes the ozone-containing exhaust gas remaining from the ozone catalytic oxidation tower reaction to dissolve into the inlet water of a multi-media filter, thereby inhibiting the growth of algae in the multi-media filter and ensuring the long-term stable operation of the filter.

[0044] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A multi-media filter coupled ozone catalytic oxidation device, characterized in that: include, An ozone catalytic tower (100) and a multi-media filter (200) are provided. The ozone catalytic tower (100) is provided with a tail gas collection port (101) at the top. A dissolved air device (202) is connected to the first water inlet pipe (201) of the multi-media filter (200). The tail gas collection port (101) is connected to the air inlet of the first dissolved air device (202).

2. The multi-media filter coupled ozone catalytic oxidation device according to claim 1, characterized in that: The ozone catalytic tower (100) has a second water inlet pipe (102) at the bottom of its side, and the first water outlet pipe (203) of the multi-media filter (200) is connected to the second water inlet pipe (102).

3. The multi-media filter coupled ozone catalytic oxidation device according to claim 2, characterized in that: The bottom of the multi-media filter (200) extends into a lower drain pipe (204), and the top of the multi-media filter (200) extends into an upper inlet pipe (205).

4. The multi-media filter coupled ozone catalytic oxidation device according to claim 3, characterized in that: The first water inlet pipe (201) is connected to the upper water inlet pipe (205), and the upper water inlet pipe (205) is also connected to the backwash drain pipe (206).

5. The multi-media filter coupled ozone catalytic oxidation device according to claim 4, characterized in that: The first water outlet pipe (203) is connected to the lower drain pipe (204), and the lower drain pipe (204) is also connected to the first air inlet pipe (207), the forward drain pipe (208) and the backwash water inlet pipe (209).

6. The multi-media filter coupled ozone catalytic oxidation device according to claim 5, characterized in that: The multi-media filter (200) is provided with an exhaust pipe (210) on top.

7. The multi-media filter coupled ozone catalytic oxidation device according to claim 6, characterized in that: The ozone catalytic tower (100) has a dissolved air water inlet (103) on its bottom side and a return water inlet (104) on its top side. The return water inlet (104) is connected to the inlet of the second dissolved air device (106) via a dissolved air water pump (105). The outlet of the second dissolved air device (106) is connected to the dissolved air water inlet (103).

8. The multi-media filter coupled ozone catalytic oxidation device according to claim 7, characterized in that: The ozone catalytic tower (100) is provided with a water production port (107) and a backwash outlet (108) on the top side, and an vent outlet (109) is provided on the bottom side.

9. The multi-media filter coupled ozone catalytic oxidation device according to claim 8, characterized in that: The ozone catalytic tower (100) is also equipped with a backwash inlet (110) on its side.

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