CN211770756U

CN211770756U - Laboratory wastewater treatment equipment combining iron aeration and heterogeneous catalytic oxidation

Info

Publication number: CN211770756U
Application number: CN202021947592.5U
Authority: CN
Inventors: 陈晓伟
Original assignee: Shandong Aokunlai Intelligent Technology Co ltd
Current assignee: Shandong Aokunlai Intelligent Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-10-27
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a water treatment field, specific laboratory waste water treatment equipment that iron aeration and heterogeneous catalytic oxidation combine that says so, iron aeration reacting chamber and heterogeneous catalytic oxidation reacting chamber including the pipe connection. The pipeline is provided with a water quality monitoring device and a flow controller, and the water quality monitoring device and the flow controller are also connected through an external microprocessor. The middle of the top of the heterogeneous catalytic oxidation reaction chamber is provided with a water distribution pipe, a pipeline is connected with the upper end of the water distribution pipe, the lower end of the water distribution pipe is fixedly connected with a conical water distribution plate, the lower end of the water distribution plate extends to the middle of the heterogeneous catalytic oxidation reaction chamber, the side wall of the heterogeneous catalytic oxidation reaction chamber is provided with a catalyst coating, and the inside of the heterogeneous catalytic oxidation reaction chamber is provided with an ultraviolet lamp post. The utility model discloses the purification process of waste water is comparatively environmental protection, and waste water can be more thorough obtains purifying, makes waste water just can purify up to standard after a circulation.

Description

Laboratory wastewater treatment equipment combining iron aeration and heterogeneous catalytic oxidation

Technical Field

The utility model relates to the field of water treatment, in particular to a laboratory wastewater treatment device combining iron aeration and heterogeneous catalytic oxidation.

Background

Along with rapid development of scientific technology and continuous progress of education, the scale and the number of various laboratories are continuously increased, and meanwhile, the problem of laboratory pollution is highlighted, organic wastewater in the laboratories contains organic solvents, organic acids, ethers, organic phosphorus compounds, phenols, petroleum and oils, and in comparison, the organic wastewater has wider harm range and larger harm degree than inorganic wastewater. The iron aeration technology and the heterogeneous catalytic oxidation technology are efficient, safe and environment-friendly, and have wide application prospects in sewage treatment. However, in the prior art, the purification of the wastewater is not thorough, and the wastewater is usually difficult to discharge after reaching the standard through one cycle, and a circulating pipeline is required to be arranged, so that the wastewater can be discharged after reaching the standard after being purified for many times.

Disclosure of Invention

In order to solve the technical problems, the utility model discloses a laboratory wastewater treatment device combining iron aeration and heterogeneous catalytic oxidation, which combines iron aeration and heterogeneous catalytic oxidation, so that the wastewater purification process is more environment-friendly, and the wastewater can be more thoroughly purified; the water quality monitoring device and the microprocessor are used for controlling the flow of the wastewater, so that the wastewater can be purified and reach the standard after one circulation.

The utility model relates to a laboratory waste water treatment equipment that iron aeration and heterogeneous catalytic oxidation combine, including pipe connection's iron aeration reacting chamber and heterogeneous catalytic oxidation reacting chamber, waste water gets into heterogeneous catalytic oxidation reacting chamber through iron aeration reacting chamber. The pipeline is provided with a water quality monitoring device and a flow controller, and the water quality monitoring device and the flow controller are also connected through an external microprocessor. The iron aeration reaction chamber is cylindrical, a water inlet is formed in the upper portion of the iron aeration reaction chamber, a liquid level meter is installed on the side wall of the upper portion of the iron aeration reaction chamber, and iron carbon filler is arranged inside the iron aeration reaction chamber. And an aeration device is arranged below the iron-carbon filler, the aeration device is connected with an aeration controller, and aeration holes of the aeration controller are uniformly distributed on the circular cross section of the iron aeration reaction chamber.

The bottom of the iron aeration reaction chamber forms an inverted cone-shaped sludge collecting hopper, and the bottom of the sludge collecting hopper is connected with a sludge discharge pipe. The heterogeneous catalytic oxidation reaction chamber is cylindrical, a cylindrical water distribution pipe is arranged in the middle of the top of the heterogeneous catalytic oxidation reaction chamber, and the pipeline is connected to the upper end of the water distribution pipe. The lower end of the water distribution pipe is fixedly connected with a conical water distribution plate, the lower end of the water distribution plate extends to the middle part of the heterogeneous catalytic oxidation reaction chamber, and a gap is reserved between the lower end of the water distribution plate and the side wall of the heterogeneous catalytic oxidation reaction chamber. The heterogeneous catalytic oxidation reaction chamber is provided with a catalyst coating on the side wall of the heterogeneous catalytic oxidation reaction chamber, which is close to the lower part of the water distribution plate, an ultraviolet lamp post is arranged at the central axis of the heterogeneous catalytic oxidation reaction chamber and is positioned below the water distribution pipe, and a transparent lamp shade is arranged outside the ultraviolet lamp post.

Preferably, the part of the side edge of the heterogeneous catalytic oxidation reaction chamber, on which the catalyst coating is arranged, is inwardly contracted to form an inverted truncated cone shape.

Preferably, the surface of the catalyst coating layer is provided in a trapezoidal structure.

Preferably, a hydrogen peroxide water inlet pipe is connected above the water distribution pipe.

Preferably, the water distribution plate is made of transparent materials.

Preferably, a second flow controller is arranged on the hydrogen peroxide water inlet pipe and connected to the microprocessor.

Preferably, the heterogeneous catalytic oxidation reaction chamber is connected with a standing buffer zone through a water outlet pipe, and a water outlet is formed in the bottom of the standing buffer zone.

The utility model has the advantages that: the utility model discloses utilize water quality monitoring device and microprocessor control waste water flow, make waste water just can purify up to standard after a circulation. The iron aeration and the heterogeneous catalytic oxidation are combined, the purification process of the wastewater is relatively environment-friendly, and the wastewater can be more thoroughly purified. The arrangement of the hydrogen peroxide water inlet pipe enables the multiphase catalytic oxidation reaction chamber to generate Fenton reaction, so that the wastewater purification efficiency is higher.

Drawings

The invention will be further explained with reference to the accompanying drawings, which are simplified schematic drawings and which illustrate, by way of illustration only, the basic structure of the invention and do not constitute an undue limitation on the invention:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

in the figure: 11. the device comprises a water inlet, 12, a liquid level meter, 13, an iron-carbon filler, 14, an aeration device, 15, an aeration controller, 16, a sludge collecting hopper, 17, a sludge discharge pipe, 21, a water distribution pipe, 22, a water distribution plate, 23, a catalyst coating, 24, a gap, 25, an ultraviolet lamp column, 26, a lamp shade, 27, a hydrogen peroxide water inlet pipe, 28, a second flow controller, 29, a water outlet pipe, 3, a pipeline, 4, a water quality monitoring device, 5, a flow controller, 6, a microprocessor, 7, a standing buffer zone, 71 and a water outlet.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure, as the terms used are used to describe particular embodiments only, and are not intended to limit the exemplary embodiments based on the disclosure.

The first embodiment:

as shown in figure 1, the utility model relates to a laboratory wastewater treatment equipment combining iron aeration and heterogeneous catalytic oxidation, which comprises an iron aeration reaction chamber and a heterogeneous catalytic oxidation reaction chamber connected by a pipeline 3, wherein wastewater enters the heterogeneous catalytic oxidation reaction chamber through the iron aeration reaction chamber.

The iron aeration reaction chamber is cylindrical, the upper part of the iron aeration reaction chamber is provided with a water inlet 11, and wastewater enters the iron aeration reaction chamber through the water inlet 11. The liquid level meter 12 is arranged on the side wall of the upper part of the iron aeration reaction chamber, so that the water level in the iron aeration reaction chamber can be always kept within a certain range, and the iron carbon filler 13 is prevented from being exposed in the air due to the reduction of the water level and being oxidized by the air to further influence the use. The iron carbon filler 13 is arranged in the iron aeration reaction chamber, an aeration device 14 is arranged below the iron carbon filler 13, and the aeration device 14 is connected with an aeration controller 15 for controlling proper aeration amount. The aeration holes are uniformly distributed on the circular cross section of the iron aeration reaction chamber, so that the aeration in the iron aeration reaction chamber is more uniform. The bottom of the iron aeration reaction chamber is provided with an inverted cone-shaped sludge collecting hopper 16, the bottom of the sludge collecting hopper 16 is connected with a sludge discharge pipe 17, so that sludge generated by reaction can be collected in the sludge collecting hopper 16 and then discharged from the sludge discharge pipe 17, and the iron aeration reaction chamber is convenient to clean.

The pipeline 3 is provided with a water quality monitoring device 4 and a flow controller 5, and the water quality monitoring device 4 and the flow controller 5 are also connected through an external microprocessor 6. The water quality monitoring device 4 is used for monitoring the quality of wastewater flowing through the pipeline 3, then reflects the water quality condition of the wastewater to the microprocessor 6, and the microprocessor 6 performs calculation and analysis according to preset data, transmits a signal to the flow controller 5 to control the flow rate of the flowing water, thereby ensuring that the wastewater flowing into the multiphase catalytic oxidation reaction chamber can be thoroughly purified.

The heterogeneous catalytic oxidation reaction chamber is cylindrical, a cylindrical water distribution pipe 21 is arranged in the middle of the top of the heterogeneous catalytic oxidation reaction chamber, and the pipeline 3 is connected to the upper end of the water distribution pipe 21. The lower end of the water distribution pipe 21 is fixedly connected with a conical water distribution plate 22, and the material of the water distribution plate 22 is preferably transparent, so that ultraviolet light emitted by the ultraviolet lamp post 25 can pass through the water distribution plate 22 and irradiate on waste water flowing through the outer surface of the ultraviolet lamp post. The lower end of the water distribution plate 22 extends to the middle of the heterogeneous catalytic oxidation reaction chamber, and a gap 24 is reserved between the lower end of the water distribution plate 22 and the side wall of the heterogeneous catalytic oxidation reaction chamber. The wastewater falling from the water distribution pipe 21 flows down from the gap 24 through the uniform diversion of the water distribution plate 22. A catalyst coating 23 is arranged on the sidewall of the heterogeneous catalytic oxidation reaction chamber which is close to the lower part of the water distribution plate 22, an ultraviolet lamp post 25 which is positioned below the water distribution pipe 21 is arranged at the central axis position of the heterogeneous catalytic oxidation reaction chamber, and a transparent lampshade 26 is also arranged at the outer side of the ultraviolet lamp post 25. The wastewater flowing down from the gap 24 passes through the catalyst coating 23, and is subjected to catalytic oxidation reaction under the irradiation of the ultraviolet lamp, thereby purifying the wastewater.

The top of water distributor 21 is connected with hydrogen peroxide solution inlet tube 27, also can be provided with second flow controller 28 on the hydrogen peroxide solution inlet tube 27, second flow controller 28 with microprocessor 6 is connected, makes microprocessor 6 is when receiving the waste water quality signal of flowing through water quality monitoring device 4, and microprocessor 6 carries out computational analysis according to predetermined data, gives flow controller 5 and second flow controller 28 signal transmission and then controls the water flow of flow controller 5 and the hydrogen peroxide solution flow of second flow controller 28 of flowing through. Hydrogen peroxide is quantitatively added into the multi-phase catalytic oxidation reaction chamber, so that Fenton reaction is generated in the multi-phase catalytic oxidation reaction chamber, and the wastewater treatment is more thorough and efficient; the synergistic effect exists between the ultraviolet light and the iron ions generated by the ultraviolet lamp post 25 arranged in the heterogeneous catalytic oxidation reaction chamber, so that the rate of generating free radicals by hydrogen peroxide is greatly accelerated, and the oxidation removal of organic matters can be promoted. The heterogeneous catalytic oxidation reaction chamber is connected with the standing buffer zone 7 through a water outlet pipe 29, a water outlet 71 is arranged at the bottom of the standing buffer zone 7, wastewater enters the standing buffer zone 7 to be naturally separated and attenuated, and the wastewater is discharged through the water outlet 71 after a certain time.

Second embodiment:

the utility model discloses the structure of first embodiment is basically the same with the second embodiment, and the difference only lies in: as shown in fig. 2, in the second embodiment, the portion of the side of the heterogeneous catalytic oxidation reaction chamber where the catalyst coating 23 is disposed is recessed inward to form an inverted truncated cone shape, and the surface of the catalyst coating 23 is disposed to be a trapezoidal structure. The inverted conical side wall arrangement enables the falling speed of the wastewater falling through the gap 24 to be slow, the distance to be increased, the contact time of the wastewater and the catalyst coating 23 is increased, and the purification efficiency of the wastewater is improved; the trapezoidal structure further slows down the speed that waste water flows down, has increased the contact time of waste water and catalyst coating 23, further improves the purification efficiency of waste water.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an iron aeration and heterogeneous catalytic oxidation's laboratory effluent treatment plant that combines, includes pipe connection's iron aeration reacting chamber and heterogeneous catalytic oxidation reacting chamber, and waste water gets into heterogeneous catalytic oxidation reacting chamber through iron aeration reacting chamber be equipped with water quality monitoring device and flow controller on the pipeline, water quality monitoring device and flow controller still are connected through external microprocessor, iron aeration reacting chamber is cylindrical, and upper portion is equipped with the water inlet, installs the level gauge on the upper portion lateral wall, and inside is equipped with the iron carbon filler, the below of iron carbon filler is equipped with aeration equipment, aeration equipment is connected with aeration controller, and its aeration hole is in evenly distributed on the circular cross section of iron aeration reacting chamber, its characterized in that:

iron aeration reacting chamber bottom forms obconic collection hopper, the collection hopper bottom is connected with the mud pipe, heterogeneous catalytic oxidation reacting chamber is cylindrical, is equipped with cylindrical water distributor in the middle of its top, the pipe connection is in the upper end of water distributor, the conical water distributor of lower extreme fixedly connected with of water distributor, the lower extreme of water distributor extends to heterogeneous catalytic oxidation reacting chamber's middle part, the lower extreme of water distributor with leave the space between heterogeneous catalytic oxidation reacting chamber's the lateral wall, it is immediately adjacent the water distributor below be equipped with the catalyst coating on heterogeneous catalytic oxidation reacting chamber lateral wall, heterogeneous catalytic oxidation reacting chamber's axis position is equipped with and is located the ultraviolet lamp post of water distributor below, the ultraviolet lamp post outside still is equipped with transparent lamp shade.

2. The laboratory wastewater treatment facility combining iron aeration with heterogeneous catalytic oxidation according to claim 1, wherein: the part of the side edge of the heterogeneous catalytic oxidation reaction chamber, which is provided with the catalyst coating, is inwards retracted to form an inverted truncated cone shape.

3. The laboratory wastewater treatment facility combining iron aeration with heterogeneous catalytic oxidation according to claim 2, wherein: the surface of the catalyst coating is arranged to be a trapezoidal structure.

4. A laboratory wastewater treatment plant combining iron aeration with heterogeneous catalytic oxidation according to any of claims 1 to 3, characterized in that: a hydrogen peroxide inlet pipe is connected above the water distribution pipe.

5. The laboratory wastewater treatment facility combining iron aeration with heterogeneous catalytic oxidation according to claim 4, wherein: the water distribution plate is made of transparent materials.

6. The laboratory wastewater treatment facility combining iron aeration with heterogeneous catalytic oxidation according to claim 4, wherein: and a second flow controller is arranged on the hydrogen peroxide inlet pipe and connected to the microprocessor.

7. The laboratory wastewater treatment facility combining iron aeration with heterogeneous catalytic oxidation according to claim 4, wherein: the heterogeneous catalytic oxidation reaction chamber is connected with a standing buffer zone through a water outlet pipe, and a water outlet is formed in the bottom of the standing buffer zone.