CN211813897U - Laboratory wastewater treatment equipment for multipass oxidative decomposition and flat membrane separation - Google Patents
Laboratory wastewater treatment equipment for multipass oxidative decomposition and flat membrane separation Download PDFInfo
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- CN211813897U CN211813897U CN202022081374.4U CN202022081374U CN211813897U CN 211813897 U CN211813897 U CN 211813897U CN 202022081374 U CN202022081374 U CN 202022081374U CN 211813897 U CN211813897 U CN 211813897U
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Abstract
The utility model relates to a water treatment field, specific laboratory waste water treatment equipment of multipass oxidative decomposition and dull and stereotyped membrane separation that says so, including the little electrolytic bath of iron carbon, Fenton oxidation pond, electric catalytic oxidation pond and the dull and stereotyped membrane separation device that connect gradually. Be equipped with the baffle of a plurality of vertical settings in the little electrolytic cell of iron carbon, the baffle is fixed in the diapire and the upper wall of little electrolytic cell of iron carbon in turn, and the baffle height is less than the inside height of little electrolytic cell of iron carbon. And iron-carbon fillers are filled between the left side wall and the right side wall of the iron-carbon micro-electrolysis cell and the adjacent partition plates thereof as well as between the two adjacent partition plates. The middle position in the electrocatalytic oxidation tank is provided with a vertical anode column, and the side wall tightly attached to the electrocatalytic oxidation tank is uniformly provided with a plurality of vertically placed cathode columns. The utility model discloses can be at utmost carry out preliminary treatment to laboratory waste water, can guarantee to discharge at waste water through dull and stereotyped membrane separation device standard after handling, prolong dull and stereotyped membrane separation device's life.
Description
Technical Field
The utility model relates to a water treatment field, specific laboratory waste water treatment equipment of multipass oxidative decomposition and dull and stereotyped membrane separation that says so.
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 flat membrane separation technology has wide application prospect in the treatment of organic wastewater and produces better purification effect. However, the conventional pretreatment technology cannot finally achieve the standard-reaching discharge of organic matters, and the organic matters exceeding the standard enter the flat membrane separation device, so that the membrane system assembly is easily blocked, the water production rate and the wastewater reuse rate are influenced, the service life of the membrane system is also influenced, and the water treatment cost is increased.
Disclosure of Invention
The utility model discloses a laboratory waste water treatment equipment of multipass oxidative decomposition and dull and stereotyped membrane separation, the utility model discloses reentrant dull and stereotyped membrane separation device after multipass oxidative decomposition handles, can be at utmost carry out the preliminary treatment to laboratory waste water, guarantee to discharge at waste water through dull and stereotyped membrane separation device standard after handling, extension dull and stereotyped membrane separation device's life.
The utility model relates to a laboratory waste water treatment equipment of multipass oxidative decomposition and dull and stereotyped membrane separation, include the little electrolytic bath of iron carbon, Fenton oxidation pond, electrocatalytic oxidation pond and the dull and stereotyped membrane separation device that connect gradually from the left hand right side. The bottom of the left side wall of the iron-carbon micro-electrolysis cell is provided with a water inlet pipe, and the top of the flat plate membrane separation device is provided with a water outlet pipe.
The iron-carbon micro-electrolysis cell is internally provided with a plurality of vertically arranged partition plates from left to right, the partition plates are alternately fixed on the bottom wall and the upper wall of the iron-carbon micro-electrolysis cell, and the height of each partition plate is smaller than the height inside the iron-carbon micro-electrolysis cell. And iron-carbon fillers are filled between the left side wall and the right side wall of the iron-carbon micro-electrolysis cell and the adjacent partition plates and between the two adjacent partition plates, and an aeration device is arranged at the bottom of the iron-carbon micro-electrolysis cell. And a hydrogen peroxide water inlet pipe is arranged at the top of the Fenton oxidation pond. The middle position in the electrocatalytic oxidation tank is provided with a vertical anode column, and the vertical anode column is tightly attached to the side wall of the electrocatalytic oxidation tank and is evenly provided with a plurality of vertically placed cathode columns. And the anode column and the cathode column are connected with a power supply positioned outside the electrocatalytic oxidation tank. The flat membrane separation device is internally provided with a flat membrane component, the bottom of the flat membrane separation device is provided with a gas purging device and a flushing pipeline, and the flushing pipeline is also provided with a flushing nozzle.
Preferably, the partition plates positioned at the leftmost side and the rightmost side of the iron-carbon micro-electrolysis cell are fixed on the bottom wall of the iron-carbon micro-electrolysis cell, the lower right wall of the iron-carbon micro-electrolysis cell is communicated with the lower left wall of the Fenton oxidation cell, and the upper right wall of the Fenton oxidation cell is communicated with the upper left wall of the electrocatalytic oxidation cell.
Preferably, the electrocatalytic oxidation tank is connected with the flat-plate membrane separation device through a pipeline.
Preferably, the aeration devices are respectively arranged at the left side and the right side of the partition plate positioned at the bottom of the iron-carbon micro-electrolysis cell.
Preferably, an ultraviolet lamp post and a transparent lamp shade positioned on the outer side of the ultraviolet lamp post are arranged in the Fenton oxidation pond.
Preferably, the ultraviolet lamp post and the transparent lamp shade are arranged close to the side wall of the Fenton oxidation pond.
The utility model has the advantages that: the utility model is processed by the flat membrane separation device after multi-pass oxidative decomposition. The wastewater sequentially passes through the iron-carbon filler areas from left to right, so that the contact time of the wastewater and the iron-carbon fillers is prolonged, and the wastewater can be more fully purified; the arrangement of the ultraviolet lamp column in the Fenton oxidation pond can greatly accelerate the rate of generating hydroxyl radicals by hydrogen peroxide and promote the oxidation removal of organic matters; the middle position in the electrocatalytic oxidation tank is provided with the anode columns, the side wall tightly attached to the electrocatalytic oxidation tank is uniformly provided with the plurality of cathode columns, the electrocatalytic oxidation of the wastewater in the electrocatalytic oxidation tank can be carried out to the maximum extent, and the efficiency of the electrocatalytic oxidation is ensured. The utility model discloses can be at utmost carry out preliminary treatment to laboratory waste water, can guarantee to discharge at waste water through dull and stereotyped membrane separation device standard after handling, prolong dull and stereotyped membrane separation device's life.
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 the present invention;
in the figure: 1. the device comprises an iron-carbon micro-electrolysis cell, 11, iron-carbon fillers, 12, a partition board, 13, a water inlet pipe, 14, an aeration device, 2, a Fenton oxidation cell, 21, a hydrogen peroxide water inlet pipe, 22, an ultraviolet lamp column, 23, a transparent lamp shade, 3, an electrocatalytic oxidation cell, 31, a power supply, 32, an anode column, 33, a cathode column, 4, a flat membrane separation device, 41, a flat membrane assembly, 42, a gas purging device, 43, a flushing pipeline, 44, a flushing nozzle, 45 and a water outlet pipe.
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.
As shown in figure 1, the utility model relates to a laboratory wastewater treatment equipment with multi-pass oxidative decomposition and flat membrane separation, which comprises an iron-carbon micro-electrolysis cell 1, a Fenton oxidation cell 2, an electrocatalytic oxidation cell 3 and a flat membrane separation device 4 which are connected in turn from left to right.
The little electrolysis cell of iron carbon 1 is interior from the left hand right side to be equipped with the baffle 12 of a plurality of vertical settings, baffle 12 is fixed in turn on the diapire and the upper wall of little electrolysis cell of iron carbon 1, be located the most left side of little electrolysis cell of iron carbon 1 and the most right side baffle 12 all fixes on the diapire of little electrolysis cell of iron carbon 1, baffle 12 highly is less than the inside height of little electrolysis cell of iron carbon 1, consequently fix and form the space that supplies waste water to pass through between baffle 12 and the little electrolysis cell of iron carbon 1 upper wall of little electrolysis cell of iron carbon 1 diapire, fix and also form the space that supplies waste water to pass through between baffle 12 and the little electrolysis cell of iron carbon 1 diapire of iron carbon 1 upper wall side wall about little electrolysis cell of iron carbon 1 and rather than adjacent it has iron carbon filler 11 to fill between baffle 12 and between the double-phase adjacent baffle 12. The bottom of the left side wall of the iron-carbon micro-electrolysis cell 1 is provided with a water inlet pipe 13, the bottom of the iron-carbon micro-electrolysis cell 1 is provided with an aeration device 14, and the aeration devices 14 can be respectively arranged at the left side and the right side of the partition plate 12 at the bottom of the iron-carbon micro-electrolysis cell 1.
The right lower wall of the iron-carbon micro-electrolysis cell 1 is communicated with the left lower wall of the Fenton oxidation cell 2. And a hydrogen peroxide water inlet pipe 21 is arranged at the top of the Fenton oxidation pond 2. An ultraviolet lamp post 22 and a transparent lampshade 23 positioned on the outer side of the ultraviolet lamp post 22 are arranged in the Fenton oxidation pond 2. The ultraviolet lamp post 22 and the transparent lamp cover 23 are preferably arranged to be close to the side wall of the Fenton oxidation pond 2, and can provide sufficient ultraviolet light for Fenton reaction in the Fenton oxidation pond 2.
The upper right wall of the Fenton oxidation pond 2 is communicated with the upper left wall of the electrocatalytic oxidation pond 3. The intermediate position is equipped with vertical positive pole post 32 in the electric catalytic oxidation pond 3, hugs closely the lateral wall of electric catalytic oxidation pond 3 evenly is equipped with a plurality of vertical negative pole posts 33 of placing, positive pole post 32 with negative pole post 33 is connected and is located the outside power 31 of electric catalytic oxidation pond 3.
The electrocatalytic oxidation tank 3 is connected with the flat membrane separation device 4 through a pipeline. The flat membrane separation device 4 is internally provided with a flat membrane component 41, the bottom of the flat membrane separation device is provided with a gas purging device 42 and a flushing pipeline 43, the flushing pipeline 43 is also provided with a flushing nozzle 44, and the top of the flat membrane separation device 4 is provided with a water outlet pipe 45.
The wastewater enters the iron-carbon micro-electrolysis cell 1 through a water inlet pipe 13 and firstly passes through an iron-carbon filler 11 positioned between the left side wall of the iron-carbon micro-electrolysis cell 1 and a partition plate 12 positioned at the leftmost end; then enters between the first partition plate 12 and the second partition plate 12 at the left end through a gap formed between the partition plate 12 at the leftmost end and the upper wall of the iron-carbon micro-electrolysis cell 1 and flows through the iron-carbon filler 11 between the first partition plate 12 and the second partition plate 12; then enters between the second and third partition plates 12 through a gap formed between the second partition plate 12 at the left end and the bottom wall of the iron-carbon micro-electrolysis cell 1 and flows through the iron-carbon filler 11 between the second and third partition plates 12 at the left end. And circulating until the wastewater enters the Fenton oxidation pond 2 through the right lower wall of the iron-carbon micro-electrolysis pond 1 to carry out Fenton oxidation reaction. Waste water passes through each iron carbon filler 11 region from left to right in proper order, increases waste water and iron carbon filler 11's contact time, purification waste water that can be more abundant. The arrangement of the ultraviolet lamp post 22 in the Fenton oxidation pond 2 can greatly accelerate the speed of generating hydroxyl radicals by hydrogen peroxide, and promote the oxidation removal of organic matters. After the wastewater is subjected to the Fenton oxidation reaction, the wastewater enters the electrocatalytic oxidation pond 3 from the upper right wall of the Fenton oxidation pond 2 to be subjected to electrocatalytic oxidation decomposition, the anode posts 32 are arranged at the middle positions in the electrocatalytic oxidation pond 3, the side wall tightly attached to the electrocatalytic oxidation pond 3 is uniformly provided with the cathode posts 33, the wastewater in the electrocatalytic oxidation pond 3 can be subjected to electrocatalytic oxidation to the greatest extent, and the efficiency of the electrocatalytic oxidation is ensured. The pretreated wastewater enters the flat membrane separation device 4 for treatment and is finally discharged through the water outlet pipe 45.
In the description of the present invention, terms describing directions such as "left" and "right" are all based on the positional relationship shown in the drawings, and are only for simplifying the description of the present invention, and are not to be construed as limitations of the present invention.
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 (6)
1. The utility model provides a laboratory waste water treatment equipment of multipass oxidative decomposition and dull and stereotyped membrane separation which characterized in that: comprises an iron-carbon micro-electrolysis cell, a Fenton oxidation cell, an electrocatalytic oxidation cell and a flat membrane separation device which are sequentially connected from left to right, wherein a water inlet pipe is arranged at the bottom of the left side wall of the iron-carbon micro-electrolysis cell, a water outlet pipe is arranged at the top of the flat membrane separation device,
the iron-carbon micro-electrolysis cell is internally provided with a plurality of vertically arranged clapboards from left to right, the clapboards are alternately fixed on the bottom wall and the upper wall of the iron-carbon micro-electrolysis cell, the height of the clapboard is less than that of the inside of the iron-carbon micro-electrolysis cell, iron-carbon fillers are filled between the left side wall and the right side wall of the iron-carbon micro-electrolysis cell and between the adjacent clapboards, the bottom of the iron-carbon micro-electrolysis cell is provided with an aeration device, the top of the Fenton oxidation cell is provided with a hydrogen peroxide inlet pipe, the middle position in the electro-catalytic oxidation cell is provided with a vertical anode column, the side wall of the electro-catalytic oxidation cell is tightly attached with a plurality of vertically placed cathode columns, the anode columns and the cathode columns are connected with a power supply outside the electro-catalytic oxidation cell, a flat membrane component is arranged in the flat membrane separation device, and the bottom of the flat membrane separation, and a flushing nozzle is also arranged on the flushing pipeline.
2. The laboratory wastewater treatment equipment for multi-pass oxidative decomposition and flat sheet membrane separation according to claim 1, wherein: the baffles are positioned at the leftmost side and the rightmost side of the iron-carbon micro-electrolysis cell and are fixed on the bottom wall of the iron-carbon micro-electrolysis cell, the lower right wall of the iron-carbon micro-electrolysis cell is communicated with the lower left wall of the Fenton oxidation cell, and the upper right wall of the Fenton oxidation cell is communicated with the upper left wall of the electrocatalytic oxidation cell.
3. The laboratory wastewater treatment equipment for multi-pass oxidative decomposition and flat sheet membrane separation according to claim 2, wherein: the electrocatalytic oxidation tank is connected with the flat membrane separation device through a pipeline.
4. The laboratory wastewater treatment equipment for multi-pass oxidative decomposition and flat sheet membrane separation according to claim 2, wherein: the aeration devices are respectively arranged at the left side and the right side of the clapboard positioned at the bottom of the iron-carbon micro-electrolysis cell.
5. Laboratory wastewater treatment plant for multipass oxidative decomposition with flat sheet membrane separation according to any of claims 1 to 4, characterized in that: and an ultraviolet lamp post and a transparent lamp shade positioned on the outer side of the ultraviolet lamp post are arranged in the Fenton oxidation pond.
6. The laboratory wastewater treatment equipment for multi-pass oxidative decomposition and flat sheet membrane separation according to claim 5, wherein: the ultraviolet lamp post and the transparent lamp shade are arranged close to the side wall of the Fenton oxidation pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022081374.4U CN211813897U (en) | 2020-09-22 | 2020-09-22 | Laboratory wastewater treatment equipment for multipass oxidative decomposition and flat membrane separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022081374.4U CN211813897U (en) | 2020-09-22 | 2020-09-22 | Laboratory wastewater treatment equipment for multipass oxidative decomposition and flat membrane separation |
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| Publication Number | Publication Date |
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| CN211813897U true CN211813897U (en) | 2020-10-30 |
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| CN202022081374.4U Active CN211813897U (en) | 2020-09-22 | 2020-09-22 | Laboratory wastewater treatment equipment for multipass oxidative decomposition and flat membrane separation |
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| CN (1) | CN211813897U (en) |
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- 2020-09-22 CN CN202022081374.4U patent/CN211813897U/en active Active
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