CN213950814U - Cadmium-containing electroplating wastewater treatment device - Google Patents

Cadmium-containing electroplating wastewater treatment device Download PDF

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Publication number
CN213950814U
CN213950814U CN202021983338.0U CN202021983338U CN213950814U CN 213950814 U CN213950814 U CN 213950814U CN 202021983338 U CN202021983338 U CN 202021983338U CN 213950814 U CN213950814 U CN 213950814U
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China
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tank
foam
cadmium
air
electroplating wastewater
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CN202021983338.0U
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Chinese (zh)
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李杨
段春梅
刘滔
韩艳来
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Shandong Jinyue Environmental Protection Equipment Co ltd
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Shandong Jinyue Environmental Protection Equipment Co ltd
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Abstract

The utility model discloses a cadmium-containing electroplating wastewater treatment device, which comprises: the box, the inside one side of box is the sedimentation tank, and the opposite side is the air supporting pond, install the water pump between sedimentation tank and the air supporting pond, foam cleaning device is installed to air supporting pond upper end, the side is equipped with the foam collecting pit before the air supporting pond, the side is equipped with pressure vessel jar behind the air supporting pond, pressure vessel jar passes through the pipeline and is connected with the relief pressure valve of below, the relief pressure valve passes through the tube coupling with the gas collection case of installing at foam collecting pit lower extreme, install a plurality of air outlet means on the gas collection case, air outlet means includes balancing weight, inner tube, snap ring and outer tube. The above embodiment of the utility model, solved and electroplated rinsing waste water and needed the loaded down with trivial details processing of a plurality of equipment, the volume of blowing is few in the air supporting pond, and the technical problem that the venthole blockked up easily has waste water integral type and handles the recovery, the excellent beneficial effect of treatment quality.

Description

Cadmium-containing electroplating wastewater treatment device
Technical Field
The utility model belongs to the technical field of waste water recovery processing, especially relate to a cadmium-containing electroplating wastewater processing apparatus.
Background
The cadmium-containing waste water is one of the most serious heavy metal waste water. Although cadmium metal has no pathological significance, cadmium compounds have high toxicity. The cadmium-containing waste water is extremely toxic, cadmium is easy to accumulate in organisms, and if the cadmium is directly discharged without treatment, the cadmium-containing waste water is easy to cause chronic poisoning of people and livestock and brings great harm to the environment.
The current common method is to discharge or recycle the wastewater after the wastewater reaches the standard through precipitation, neutralization and air flotation reaction.
But the treatment process needs more equipment and cannot be integrally treated; in the air flotation reaction process, the air flotation equipment is single, only the pressure container tank is used for air outlet, the air bubbles are less, and the air outlet holes are easily blocked by precipitated particles.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cadmium-containing electroplating wastewater treatment device to solve the unable integral type of cadmium-containing electroplating wastewater and handle, air supporting equipment is single, and the bubble is less, and the technical problem that the venthole blockked up easily.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a cadmium-containing electroplating wastewater treatment device comprises a box body, wherein one side in the box body is a precipitation reaction tank, the other side is an air flotation tank, a water pump is arranged between the precipitation reaction tank and the air flotation tank, a foam cleaning device is arranged at the upper end of the air flotation tank, a foam collecting tank is arranged at the front side end of the air flotation tank, a pressure container tank is arranged at the rear side end of the air flotation tank and is connected with a pressure reducing valve below the pressure container tank through a pipeline, the pressure reducing valve is connected with a gas collection box arranged at the lower end of the foam collecting tank through a pipeline, a plurality of gas outlet devices are arranged on the gas collection box and comprise a balancing weight, an inner pipe, a clamping ring and an outer pipe, the outer pipe is sealed and fixed on the gas collection box, a plurality of gas outlet holes are formed in the inner pipe, the inner pipe is sleeved in the outer pipe, the clamping ring at the lower end of the inner pipe is positioned below a trapezoidal groove in the outer pipe, the balancing weight is arranged on the inner ring, and the outer diameter of the balancing weight is larger than the diameter of the inner pipe.
The utility model discloses as foretell cadmium-containing electroplating effluent treatment plant, it is further, foam cleaning device is including scraping the foam board, scraping the foam transfer chain and scraping the foam motor, the foam transfer chain is scraped in the gear mounting through air supporting pond top both sides, it is equipped with the foam board to scrape the foam transfer chain outside, scrape foam motor drive end and scrape the meshing of foam transfer chain, it has certain angle to scrape the slope of foam board.
The utility model discloses as foretell cadmium-containing electroplating effluent treatment plant, it is further, the sediment conveying chain is scraped in the inside both sides of sedimentation reaction tank through the gear mounting, scrape and be equipped with the scum board between the sediment conveying chain, the scum board is hugged closely with sedimentation reaction tank bottom inner wall, scrape the sediment conveying chain and link to each other with the outside sediment motor drive end of scraping of box.
The utility model discloses as foretell cadmium-containing electroplating effluent treatment plant, it is further, open one side of precipitation reaction pond has the notch, there is the scarfing cinder baffle through pivot movable mounting on the notch.
The utility model discloses as foretell cadmium-containing electroplating effluent treatment plant, further, there is clearance door foam collecting pit bottom through pivot movable mounting.
The utility model discloses as foretell cadmium-containing electroplating effluent treatment plant, further, the inside vacuole formation of gas collection tank, and gas collection tank and air supporting pond lower extreme inner wall sealing connection.
The utility model discloses as foretell cadmium-containing electroplating effluent treatment plant, further, the sedimentation reaction pond side is equipped with the water inlet, air supporting pond side is equipped with the delivery port.
The utility model has the advantages that:
1. the cadmium-containing electroplating wastewater can be subjected to precipitation, neutralization and air flotation treatment by the aid of a precipitation reaction tank and an air flotation tank in cooperation with a water pump, and integrated treatment is further realized.
2. Through the pressure container tank, the pressure reducing valve, the gas collecting box and the gas outlet device, the bubbles can be uniformly sprayed out to the maximum extent, and the air floatation reaction can be carried out more fully.
3. Through balancing weight, inner tube, snap ring, outer tube and dovetail groove, can protect the venthole, the effectual venthole that prevents blocks up uses safe and reliable.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
FIG. 1 is a schematic view of a cadmium-containing electroplating wastewater treatment apparatus according to an embodiment of the present invention;
FIG. 2 is another schematic view of a cadmium-containing electroplating wastewater treatment apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of an apparatus for treating cadmium-containing electroplating wastewater according to an embodiment of the present invention;
fig. 4 is a schematic connection diagram of an air outlet device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the inner tube and the outer tube separated according to an embodiment of the present invention;
fig. 6 is a schematic closing view of an air outlet device according to an embodiment of the present invention;
fig. 7 is an opening schematic view of an air outlet device according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a box body; 2. a water inlet; 3. a slag removal baffle; 4. a precipitation reaction tank; 5. a foam collection tank; 6. a foam cleaning device; 61. a foam scraping plate; 62. a foam scraping conveyor chain; 63. a foam scraping motor; 7. an air floatation tank; 8. an air outlet device; 81. a balancing weight; 82. an air outlet; 83. an inner tube; 84. a snap ring; 85. an outer tube; 86. a trapezoidal groove; 9. a gas collection tank; 10. a pressure vessel tank; 11. a water outlet; 12. a pressure reducing valve; 13. a slag scraping motor; 14. a water pump; 15. a slag scraping plate; 16. a slag scraping conveying chain.
Detailed Description
Hereinafter, an embodiment of the cadmium-containing electroplating wastewater treatment apparatus of the present invention will be described with reference to the accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
FIGS. 1 to 7 show a cadmium-containing electroplating wastewater treatment apparatus according to an embodiment of the present invention, which includes: the device comprises a box body 1, wherein a precipitation reaction tank 4 is arranged on one side inside the box body 1, an air floatation tank 7 is arranged on the other side inside the box body 1, a water pump 14 is arranged between the precipitation reaction tank 4 and the air floatation tank 7, and wastewater in the precipitation reaction tank 4 can be sucked into the air floatation tank 7 through the water pump 14; the foam cleaning device is characterized in that a foam cleaning device 6 is installed at the upper end of the air floatation tank 7, a foam collecting tank 5 is arranged at the front end of the air floatation tank 7, a pressure container tank 10 is arranged at the rear end of the air floatation tank 7, the pressure container tank 10 is connected with a pressure reducing valve 12 below through a pipeline, the pressure reducing valve 12 is connected with a gas collecting tank 9 installed at the lower end of the foam collecting tank 5 through a pipeline, a plurality of gas outlet devices 8 are installed on the gas collecting tank 9, each gas outlet device 8 comprises a balancing weight 81, an inner pipe 83, a clamping ring 84 and an outer pipe 85, the outer pipe 85 is fixed on the gas collecting tank 9 in a sealing mode, a plurality of gas outlet holes 82 are formed in the inner pipe 83, the inner pipe 83 is sleeved in the outer pipe 85, the clamping ring 84 at the lower end of the inner pipe 83 is located below a trapezoidal groove 86 in the outer pipe 85, the balancing weight 81 is arranged on the inner ring, and when gas is discharged through the pressure container tank 10 and the pressure reducing valve 12, the balancing weight 81 can be jacked up, air is discharged through the air outlet hole 82; after the pressure vessel 10 and the pressure reducing valve 12 stop working, the weight 81 can make the inner tube 83 move down into the outer tube 85, thereby protecting the air outlet 82 from being blocked. And the external diameter of the counterweight 81 is larger than the diameter of the inner tube 83, preventing the inner tube 83 from sliding down below the outer tube 85.
In the above embodiment of the present invention, the foam cleaning device 6 includes a foam scraping plate 61, a foam scraping transmission chain 62 and a foam scraping motor 63, the foam scraping transmission chain 62 is installed on both sides above the air flotation tank 7 through gears, the foam scraping transmission chain 62 is provided with the foam scraping plate 61 on the outer side, the transmission end of the foam scraping motor 63 is meshed with the foam scraping transmission chain 62, the foam scraping transmission chain 62 and the foam scraping plate 61 are driven by the foam scraping motor 63, and the foam above the air flotation tank 7 is scraped into the foam collecting tank 5; the scraping plate 61 is inclined at a certain angle, so that foam can be better scraped into the foam collecting tank 5.
The utility model discloses in the above-mentioned embodiment, 4 inside both sides of sedimentation reaction tank are installed through the gear and are scraped sediment transfer chain 16, scrape and be equipped with scraper 15 between the sediment transfer chain 16, scraper 15 is hugged closely with 4 bottom inner walls of sedimentation reaction tank, it links to each other with 1 outside sediment motor 13 transmission end of scraping of box to scrape sediment transfer chain 16, can drive through scraping sediment motor 13 and scrape sediment transfer chain 16 and scraper 15, clears up the deposit of 15 inside sedimentation reaction tanks. A notch is formed in one side of the precipitation reaction tank 4, a slag removing baffle 3 is movably mounted on the notch through a rotating shaft, and the slag removing baffle 3 is opened to take out precipitates for treatment.
In the above embodiment of the present invention, the bottom of the foam collecting pool 5 is provided with a cleaning door through a rotating shaft. The floccules, particles and the like in the foam collecting tank 5 can be taken out for treatment by opening the cleaning bin door
In the above embodiment of the present invention, the gas collection tank 9 forms a cavity therein, and the gas collection tank 9 is connected to the inner wall of the air flotation tank 7 at the lower end in a sealing manner. The gas in the pressure vessel tank 10 and the pressure reducing valve 12 is conveyed into the gas outlet device 8 through the gas collecting box 9.
The utility model discloses in the above-mentioned embodiment, 4 sides of sedimentation reaction tank are equipped with water inlet 2, carry into waste water through water inlet 2, 7 sides of air supporting pond are equipped with delivery port 11, discharge or retrieve waste water through delivery port 11.
The use principle and the flow are as follows: cadmium-containing electroplating wastewater is added into a precipitation reaction tank 4 through a water inlet 2, the pH value is adjusted, particles after chemical reaction are precipitated, then a water pump 14 is started, water in the precipitation reaction tank 4 is conveyed into an air flotation tank 7, and gas in a pressure container tank 10 and a pressure reducing valve 12 is conveyed into an air outlet device 8 through a gas collection tank 9. Further jacking up the balancing weight 81 at the top end of the air outlet device 8, exhausting air through the air outlet hole 82, and cleaning foam at the upper end of the air floatation tank 7 into the foam collecting tank 5 by matching with the foam cleaning device 6; after the pressure vessel 10 and the pressure reducing valve 12 stop working, the weight block 81 can make the inner pipe 83 move downwards into the outer pipe 85, thereby protecting the air outlet 82 from being blocked, and then discharging or recycling the waste water through the water outlet 11.
Can drive through scraping sediment motor 13 and scrape sediment conveying chain 16 and scum board 15, clear up the inside precipitate of sedimentation reaction tank 4, open scarfing cinder baffle 3, can take out the precipitate and handle.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims (7)

1. A cadmium-containing electroplating wastewater treatment device is characterized by comprising: a tank body, wherein one side in the tank body is a sedimentation reaction tank, the other side is an air floatation tank, a water pump is arranged between the sedimentation reaction tank and the air floatation tank, a foam cleaning device is arranged at the upper end of the air floatation tank, a foam collecting tank is arranged at the front side end of the air floatation tank, a pressure container tank is arranged at the rear side end of the air floatation tank and is connected with a pressure reducing valve below through a pipeline, the pressure reducing valve is connected with a gas collecting tank arranged at the lower end of the foam collecting pool through a pipeline, a plurality of gas outlet devices are arranged on the gas collecting tank, the air outlet device comprises a balancing weight, an inner pipe, a snap ring and an outer pipe, the outer pipe is fixed on the air collection box in a sealing way, the inner pipe is sleeved in the outer pipe, a plurality of air outlet holes are formed in the inner pipe, and the snap ring of inner tube lower extreme is located the below of the inside dovetail groove of outer tube, be equipped with the balancing weight on the inner tube, and the balancing weight external diameter is greater than the inner tube diameter.
2. The cadmium-containing electroplating wastewater treatment device according to claim 1, wherein the foam cleaning device comprises a foam scraping plate, a foam scraping conveyor chain and a foam scraping motor, the foam scraping conveyor chain is installed on two sides above the air flotation tank through gears, the foam scraping plate is arranged on the outer side of the foam scraping conveyor chain, the transmission end of the foam scraping motor is meshed with the foam scraping conveyor chain, and the foam scraping plate is inclined at a certain angle.
3. The cadmium-containing electroplating wastewater treatment device according to claim 1, wherein two sides inside the precipitation reaction tank are provided with slag scraping transmission chains through gears, a slag scraping plate is arranged between the slag scraping transmission chains, the slag scraping plate is tightly attached to the inner wall of the bottom of the precipitation reaction tank, and the slag scraping transmission chains are connected with the driving end of a slag scraping motor outside the tank body.
4. The cadmium-containing electroplating wastewater treatment device according to claim 1, wherein a notch is formed in one side of the precipitation reaction tank, and a slag removal baffle is movably mounted on the notch through a rotating shaft.
5. The cadmium-containing electroplating wastewater treatment device according to claim 1, wherein a cleaning bin gate is movably mounted at the bottom of the foam collecting pool through a rotating shaft.
6. The cadmium-containing electroplating wastewater treatment device according to claim 1, wherein a cavity is formed inside the gas collection tank, and the gas collection tank is hermetically connected with the inner wall of the lower end of the floatation tank.
7. The apparatus for treating cadmium-containing electroplating wastewater as set forth in claim 1, wherein a water inlet is provided at a side end of the precipitation reaction tank, and a water outlet is provided at a side end of the flotation tank.
CN202021983338.0U 2020-09-11 2020-09-11 Cadmium-containing electroplating wastewater treatment device Active CN213950814U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021983338.0U CN213950814U (en) 2020-09-11 2020-09-11 Cadmium-containing electroplating wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021983338.0U CN213950814U (en) 2020-09-11 2020-09-11 Cadmium-containing electroplating wastewater treatment device

Publications (1)

Publication Number Publication Date
CN213950814U true CN213950814U (en) 2021-08-13

Family

ID=77201316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021983338.0U Active CN213950814U (en) 2020-09-11 2020-09-11 Cadmium-containing electroplating wastewater treatment device

Country Status (1)

Country Link
CN (1) CN213950814U (en)

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