CN216274448U - Chromium liquid evaporation concentration recovery device for electroplating line - Google Patents
Chromium liquid evaporation concentration recovery device for electroplating line Download PDFInfo
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- CN216274448U CN216274448U CN202122011879.8U CN202122011879U CN216274448U CN 216274448 U CN216274448 U CN 216274448U CN 202122011879 U CN202122011879 U CN 202122011879U CN 216274448 U CN216274448 U CN 216274448U
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Abstract
The utility model relates to the technical field of electroplating line expansion equipment, and discloses a chromium solution evaporation concentration recovery device for an electroplating line, which comprises: the box body is internally provided with a flow passage, the flow passage is provided with an air inlet and a discharge port, and the discharge port is provided with a corrugated plate demister; the spraying device is arranged in the box body and used for spraying a dilute chromic acid solution into the flow channel; the air deflector is arranged in the box body and is positioned in the flow channel; the air conveying piece is arranged on the box body and can convey the air at the air inlet to the exhaust port through the air deflector; the return pipe is arranged at the bottom of the box body; the recycling device is communicated with the return pipe. Spray set can spray the box with rare chromic acid solution in, send into the air mixture formation chromic acid fog in the box with the fan, intercept concentrated chromic acid liquid to the bottom half through the buckled plate defroster, flow back to recycle device through the back flow, realize the circulation recovery of chromium liquid and recycle.
Description
Technical Field
The utility model relates to the technical field of electroplating line expansion equipment, in particular to a chromium solution evaporation concentration recovery device for an electroplating line.
Background
Chromium is a slightly blue silvery white metal, is extremely easy to passivate in air, forms an extremely thin plating film on the surface, has high hardness, heat resistance and wear resistance, has good chemical stability, does not act in alkali, sulfide, nitric acid and most of organic acids, but can be dissolved in hydrochloric acid (such as hydrochloric acid) and hot sulfuric acid, so that the chromium plating process is widely applied to surface treatment and is used in various industries such as ABS plastic electroplating, and meanwhile, the application of the chromium plating process also brings various problems of chromium plating waste water, energy waste and the like.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and it is an object of the present invention to provide an evaporative concentration recovery apparatus for a chromium plating line, which can recycle and reuse chromium plating solution.
In order to achieve the above object, the present invention provides an apparatus for evaporating, concentrating and recovering a chromium solution for a plating line, comprising:
the device comprises a box body, wherein a flow passage is arranged in the box body, the flow passage is provided with an air inlet and a discharge port, and a corrugated plate demister is arranged at the discharge port;
the spraying device is arranged in the box body and used for spraying a dilute chromic acid solution into the flow channel;
the air deflector is arranged in the box body and is positioned in the flow channel;
the air conveying piece is arranged on the box body and can convey the air at the air inlet to the exhaust port through the air deflector;
the return pipe is arranged at the bottom of the box body;
a recycle device in communication with the return conduit.
According to the chromium solution evaporation concentration recovery device for the electroplating line, a first containing cavity and a second containing cavity are arranged in the box body, a partition plate is arranged between the first containing cavity and the second containing cavity, and a communicating gap is formed between the partition plate and the bottom of the box body.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the air deflector is connected with the bottom of the box body and is positioned on one side of the partition board close to the discharge port.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the air inlet is communicated with the first accommodating cavity and is positioned right above the first accommodating cavity; the discharge port is communicated with the second accommodating cavity and is positioned right above the second accommodating cavity.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the air conveying piece is a fan, and the fan is arranged at the air inlet and is positioned right above the air inlet.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the spraying device comprises a first nozzle and a second nozzle, the first nozzle is located in the first accommodating cavity, and the second nozzle is located in the second accommodating cavity.
According to the chromium solution evaporation concentration recovery device for the electroplating line, a communicating pipe is arranged between the first nozzle and the second nozzle.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the corrugated plate demister is arranged in the box body and is positioned right above the second nozzle.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the bottom of the box body is provided with the return port, and the return pipe is arranged at the return port.
According to the chromium solution evaporation concentration recovery device for the electroplating line, the recovery device comprises a storage tank and a chromium plating tank, a heating pipe is arranged in the storage tank, a spray pump is arranged between the storage tank and the spray device, and a liquid supplementing pump is arranged between the storage tank and the chromium plating tank.
The utility model has the following beneficial effects:
1. the spraying device can spray a dilute chromic acid solution into the box body, the dilute chromic acid solution is mixed with air sent into the box body by the fan to form chromic acid mist, and finally, a concentrated chromic acid solution is intercepted to the bottom of the box body through the corrugated plate demister and then flows back to the storage tank through the return pipe;
2. the air deflector can enable air flow to uniformly pass through the corrugated plate demister;
3. the buckled plate defroster is installed in drain outlet department, can ensure that the chromic acid fog in the box is discharged again after all passing through the holding back of buckled plate defroster.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the recycling apparatus shown in FIG. 1;
in the figure: 100. a box body; 110. an air inlet; 120. a discharge port; 130. a corrugated plate demister; 140. a partition plate; 200. a spraying device; 210. a first nozzle; 220. a second nozzle; 230. a communicating pipe; 300. an air deflector; 400. an air delivery member; 410. a fan; 500. a return pipe; 600. a recycling device; 610. a storage tank; 611. a heater; 612. a liquid level meter; 613. a temperature probe; 620. a chromium plating bath; 630. a recovery tank; 640. a spray pump; 650. and (5) a liquid supplementing pump.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in FIG. 1, an evaporative concentration recovery apparatus for a chromium plating line comprises:
the device comprises a box body 100, wherein a flow channel is arranged in the box body 100, the flow channel is provided with an air inlet 110 and a discharge port 120, a corrugated plate demister 130 is arranged at the discharge port 120, and the corrugated plate demister 130 can intercept concentrated chromic acid liquid in chromic acid mist so that the concentrated chromic acid liquid is intercepted to the bottom of the box body 100; the spraying device 200, the spraying device 200 is arranged in the box body 100 and is used for spraying dilute chromic acid solution into the flow channel; the air deflector 300 is arranged in the box body 100 and is positioned in the flow channel, the air deflector 300 can enable air flow to uniformly pass through the corrugated plate demister 130, the air speed is preferably 3-4 m/s at the moment, fog drops with the diameter larger than 15 micrometers are captured, chromic acid liquid is heavy and easy to intercept, and the capture efficiency is as high as 90-95%; the air conveying part 400 is arranged on the box body 100, the air at the air inlet 110 can be conveyed to the discharge outlet 120 through the air deflector 300, and the dilute chromic acid solution sprayed by the spraying device 200 can be mixed with the air conveyed into the box body 100 by the air conveyor to form chromic acid mist; a return pipe 500, the return pipe 500 is arranged at the bottom of the tank 100, the return pipe 500 is communicated with a flow channel in the tank 100, so that the concentrated chromic acid solution at the bottom of the tank 100 flows back for recycling; and the recycling device 600 is communicated with the return pipe 500 and is used for recycling the concentrated chromic acid liquid at the bottom of the box body 100. The dilute chromic acid solution sprayed into the box 100 by the spraying device 200 can be mixed with air conveyed into the box 100 by the air conveyor to form chromic acid mist, the concentrated chromic acid solution is intercepted to the bottom of the box 100 through the corrugated plate demister 130, and the concentrated chromic acid solution at the bottom of the box 100 can flow back to the recycling device 600 through the return pipe 500, so that the recycling of the chromium solution is realized.
Be equipped with first chamber and the second chamber that holds in the box 100, first chamber and the second of holding is equipped with baffle 140 between holding the chamber, is equipped with the intercommunication clearance between the bottom of baffle 140 and box 100, and the intercommunication clearance can communicate first chamber and the second chamber that holds for guarantee the unblocked of runner.
The air deflector 300 is connected to the bottom of the tank 100 and is located on one side of the partition plate 140 close to the discharge port 120, and the air deflector 300 enables air flow to uniformly pass through the corrugated plate demister 130, thereby improving the capturing efficiency of the concentrated chromic acid solution.
The air inlet 110 is communicated with the first accommodating cavity and is positioned right above the first accommodating cavity; the discharge port 120 is communicated with the second accommodating cavity and is positioned right above the second accommodating cavity, air enters the first accommodating cavity through the air inlet 110, chromic acid mist in the box body 100 is firstly intercepted through the corrugated plate demister 130, so that concentrated chromic acid liquid is intercepted to the bottom of the box body 100, and water vapor is discharged through the discharge port 120.
The air conveyance member 400 is provided as a fan 410, the fan 410 is provided at the air inlet 110 and positioned right above the air inlet 110, and the fan 410 can convey the air at the air inlet 110 to the discharge port 120.
The spray device 200 includes a first nozzle 210 and a second nozzle 220, the first nozzle 210 is located in the first receiving chamber, the second nozzle 220 is located in the second receiving chamber, the first nozzle 210 can spray the dilute chromic acid solution into the first receiving chamber, and the second nozzle 220 can spray the dilute chromic acid solution into the second receiving chamber.
A connection pipe 230 is provided between the first nozzle 210 and the second nozzle 220, and the arrangement of the connection pipe 230 can simplify the structure of the evaporation and concentration apparatus.
The corrugated plate mist eliminator 130 is disposed in the tank 100 and directly above the second nozzle 220, i.e., the corrugated plate mist eliminator 130 is installed at the discharge port 120, and it is possible to ensure that the chromic acid mist in the tank 100 is discharged after being intercepted by the corrugated plate mist eliminator 130.
The bottom of the tank 100 is provided with a return port, the return pipe 500 is arranged at the return port, and the return port is used for communicating the inside of the tank 100 with the return pipe 500.
The recycling device 600 comprises a storage tank 610 and a chromium plating tank 620, wherein a heating pipe is arranged in the storage tank 610 and used for heating chromic acid solution in the storage tank 610, a spray pump 640 is arranged between the storage tank 610 and the spray device 200, and a liquid supplementing pump 650 is arranged between the storage tank 610 and the chromium plating tank 620; the storage tank 610 is provided with a liquid level meter 612 and a temperature probe 613, the heater 611 can control the heating temperature at 50 ℃ through the temperature probe 613, the spray pump 640 can pump the heated dilute chromic acid solution to the spray device 200, the dilute chromic acid solution is sprayed into the box body 100 through the spray device 200 and is mixed with air sent into the box body 100 by the fan 410 to form chromic acid mist, wherein, water vapor can be discharged through the discharge port 120, the concentrated chromic acid solution is intercepted to the bottom of the box body 100 and flows back to the storage tank 610 through the return pipe 500, when the liquid level measured by the liquid level meter 612 reaches a set height, the liquid supplementing pump 650 pumps the chromic acid solution to the chromium plating tank 620, and therefore, the chromium solution is recycled.
In this embodiment, after the chrome plating of the workpiece, a reverse rinsing is performed through the plurality of recovery tanks 630, and the chromium-containing rinse water in the recovery tanks 630 may be passed to the holding tank 610.
The working principle of the evaporation concentration recycling device is as follows: the spraying pump 640 pumps the heated dilute chromic acid solution to the spraying device 200, sprays the dilute chromic acid solution into the box body 100 through the spraying device 200, and mixes the dilute chromic acid solution with air sent into the box body 100 by the fan 410 to form chromic acid mist; the bottom of box 100 is equipped with aviation baffle 300, can make even passing through buckled plate defroster 130 of air current, better efficiency of catching has, the chromic acid fog is when passing through buckled plate defroster 130, steam is discharged through discharge port 120 along with vapor, and concentrated chromic acid solution is held back to the bottom of box 100, in the holding tank 610 that flows back through back pipe 500, when the liquid level that the level gauge 612 was measured reachd the settlement height, fluid infusion pump 650 pumps chromic acid solution to chromium plating groove 620 in, thereby realize the circulation recovery of chromium solution and recycle.
The utility model provides a chromium solution evaporation concentration recovery device for an electroplating line, wherein a flow channel is arranged in a box body 100, the flow channel is provided with an air inlet 110 and a discharge outlet 120, a corrugated plate demister 130 is arranged at the discharge outlet, a spray device 200 and an air deflector 300 are arranged in the box body 100, the air deflector 300 can enable air flow to uniformly pass through the corrugated plate demister 130, the capture efficiency of concentrated chromium acid solution is improved, a return pipe 500 is arranged at the bottom of the box body 100, and the return pipe 500 is communicated with a storage tank 610; the spraying pump 640 pumps the heated dilute chromic acid solution to the spraying device 200, the dilute chromic acid solution is sprayed into the box body 100 through the spraying device 200 and is mixed with air sent into the box body 100 by the fan 410 to form chromic acid mist, the concentrated chromic acid solution is intercepted to the bottom of the box body 100 by the corrugated plate demister 130, the concentrated chromic acid solution at the bottom of the box body 100 can flow back to the storage tank 610 through the return pipe 500, when the liquid level measured by the liquid level meter 612 reaches a set height, the chromic acid solution is pumped to the chromium plating tank 620 by the liquid supplementing pump 650, and therefore the chromium solution is recycled.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (10)
1. A chromium solution evaporation concentration recovery device for an electroplating line is characterized by comprising:
the device comprises a box body, wherein a flow passage is arranged in the box body, the flow passage is provided with an air inlet and a discharge port, and a corrugated plate demister is arranged at the discharge port;
the spraying device is arranged in the box body and used for spraying a dilute chromic acid solution into the flow channel;
the air deflector is arranged in the box body and is positioned in the flow channel;
the air conveying piece is arranged on the box body and can convey the air at the air inlet to the exhaust port through the air deflector;
the return pipe is arranged at the bottom of the box body;
a recycle device in communication with the return conduit.
2. The chromium solution evaporation concentration recovery device for the electroplating line as claimed in claim 1, wherein a first containing cavity and a second containing cavity are arranged in the box body, a partition plate is arranged between the first containing cavity and the second containing cavity, and a communication gap is arranged between the partition plate and the bottom of the box body.
3. The chromium solution evaporation, concentration and recovery device for the electroplating line as claimed in claim 2, wherein the air deflector is connected with the bottom of the box body and is positioned on one side of the partition board close to the discharge port.
4. The chromium solution evaporation concentration recovery device for the electroplating line as claimed in claim 2, wherein the air inlet is communicated with the first accommodating cavity and is positioned right above the first accommodating cavity; the discharge port is communicated with the second accommodating cavity and is positioned right above the second accommodating cavity.
5. The chromium solution evaporative concentration recovery apparatus for a plating line as set forth in claim 2, wherein said air conveyance member is a fan provided at said air inlet and located directly above said air inlet.
6. The chromium solution evaporation concentration recovery device for the electroplating line as claimed in claim 2, wherein the spray device comprises a first nozzle and a second nozzle, the first nozzle is located in the first accommodating chamber, and the second nozzle is located in the second accommodating chamber.
7. The chromium solution evaporation, concentration and recovery device for the electroplating line as claimed in claim 6, wherein a communicating pipe is arranged between the first nozzle and the second nozzle.
8. The chromium solution evaporation concentration recovery device for the electroplating line according to claim 6, wherein the corrugated plate demister is arranged in the tank body and is positioned right above the second nozzle.
9. The chromium solution evaporation, concentration and recovery device for the electroplating line as claimed in claim 1, wherein a return port is formed at the bottom of the tank body, and the return pipe is arranged at the return port.
10. The chromium solution evaporation, concentration and recovery device for the electroplating line as claimed in claim 1, wherein the recovery device comprises a storage tank and a chromium plating tank, a heating pipe is arranged in the storage tank, a spray pump is arranged between the storage tank and the spray device, and a liquid replenishing pump is arranged between the storage tank and the chromium plating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122011879.8U CN216274448U (en) | 2021-08-25 | 2021-08-25 | Chromium liquid evaporation concentration recovery device for electroplating line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122011879.8U CN216274448U (en) | 2021-08-25 | 2021-08-25 | Chromium liquid evaporation concentration recovery device for electroplating line |
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| Publication Number | Publication Date |
|---|---|
| CN216274448U true CN216274448U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122011879.8U Active CN216274448U (en) | 2021-08-25 | 2021-08-25 | Chromium liquid evaporation concentration recovery device for electroplating line |
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| CN (1) | CN216274448U (en) |
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2021
- 2021-08-25 CN CN202122011879.8U patent/CN216274448U/en active Active
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