CN210729096U - Pickling waste gas recovery processing device - Google Patents
Pickling waste gas recovery processing device Download PDFInfo
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- CN210729096U CN210729096U CN201921541181.3U CN201921541181U CN210729096U CN 210729096 U CN210729096 U CN 210729096U CN 201921541181 U CN201921541181 U CN 201921541181U CN 210729096 U CN210729096 U CN 210729096U
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- acid
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- recovery
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Abstract
The utility model discloses the device discloses a pickling waste gas recovery processing apparatus, this device is provided with waste gas recovery tower and waste liquid acid-base neutralization pond, be provided with gas mixing chamber and set up the shower device in gas mixing chamber top in the recovery tower, the shower device sets up two high pressure shower nozzles, two high pressure shower nozzle belows are provided with first packing layer and second packing layer respectively, still be provided with the blast pipe on the recovery tower, the blast pipe below is provided with the layer that absorbs water, gas mixing chamber bottom is provided with the delivery port, the delivery port is connected with the pond through connecting water pipe and acid-base neutralization pond, wherein is provided with the water pump on connecting the water pipe, acid-base neutralization pond is connected with the alkali lye pond, still be provided with the stirring seat in the acid-base neutralization pond, the utility model discloses the device has with low costs and the extravagant less advantage of alkali.
Description
Technical Field
The utility model relates to a waste gas recovery technical field, concretely relates to pickling waste gas recovery processing apparatus.
Background
In the hot galvanizing process of the workpiece, the scale and grease on the surface of the steel strip need to be removed through an acid washing process. Through the investigation of a working site, the temperature of the wastewater after the final washing in the pickling line is about 50-60 ℃, the wastewater flows back to the recovery collecting tank for treatment, and partial gas is discharged due to the temperature in the process, so that the method is unfavorable for workers and the environment on the site. The traditional treatment method of acid washing waste gas is to pump the waste gas into a waste water tank through a fan, adsorb acid mist in the waste gas by using water, naturally neutralize acid in the waste water tank by adding a large amount of alkali (such as NaOH) into the waste water tank, and finally discharge the waste water reaching the standard in the treated waste water tank. Because the alkali in the wastewater tank and the acid in the tank naturally react, the reaction is insufficient, so that a large amount of alkali is wasted, and the production cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art, have the extravagant of alkali to produce and the high technical problem of manufacturing cost among the pickling waste gas recovery, the utility model provides a less pickling waste gas recovery processing apparatus with low costs and alkali waste.
The utility model provides a technical scheme that its technical problem adopted is: the acid pickling waste gas recovery and treatment device comprises a recovery tower and an acid-base neutralization tank, wherein a sprinkling device is arranged in the recovery tower, one end of the recovery tower is connected with a sealing cover, the sealing cover is arranged on the acid pickling tank, the sealing cover is connected with a recovery fan through an air pipe, the recovery fan discharges acid mist into the recovery tower, an air mixing cavity and a sprinkling device arranged above the air mixing cavity are arranged in the recovery tower, the sprinkling device is provided with two high-pressure sprinkling nozzles, a first packing layer and a second packing layer are respectively arranged below the two high-pressure sprinkling nozzles, an exhaust pipe is further arranged on the recovery tower, a water absorbing layer is arranged below the exhaust pipe, a water outlet is arranged at the bottom of the air mixing cavity and is connected with the acid-base neutralization tank through a connecting water pipe, a water pump is arranged on the connecting water pipe, the acid-base neutralization tank is connected with an alkali liquor tank, and a stirring seat is also arranged in the acid-base neutralization tank.
Preferably, the high-pressure shower nozzle is connected with an external water tank through a water pump.
Preferably, a sealing cover is arranged on the acid pickling neutralization tank, the sealing cover is hinged with the neutralization tank, and the stirring seat is connected with a motor arranged on the sealing cover.
Preferably, still be provided with the PH meter on the pickling neutralization pond sealed cover and place the hole, it is provided with PH measuring machine fixing base to place the hole top, the fixing base is rubber fixing base, and the PH measuring machine card is established in rubber fixing base.
Preferably, a wastewater discharge port is further arranged on the acid washing neutralization tank, and an electromagnetic valve is arranged on the discharge port.
The utility model has the advantages that: the utility model discloses pickling waste gas recovery device separates the recovery of acid mist with the waste liquid acid-base neutralization of recovery, the recovery of acid mist is gone on in the recovery tower, set up two high pressure shower nozzles and first second packing layer in the recovery tower, the waste liquid that forms behind water and the acid mist gets into the hybrid chamber, the gas after the processing discharges the recovery tower behind the layer that absorbs water, be provided with the delivery port under the hybrid chamber, the waste liquid pump after the water pump will mix is gone into in the acid salt with the pond, add alkali lye cooperation stirring seat in the acid-base with the pond again and reach the purpose of intensive mixing, secondly put into the PH test meter in the acid-base with the pond, the discharge port in the acid-base neutralization pond sets up the solenoid valve, the solenoid valve is opened and is carried out the blowdown when the PH.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In figure 1, a sealing cover; 2. a recovery fan; 3. a first filler layer; 4. a second packing layer; 5. a second shower head; 6. an exhaust pipe; 7. a water-absorbing layer; 8. a first shower head; 9. a mixing chamber; 10. a pool; 11. an alkaline solution pool; 12. an electric motor; 13. a stirring seat; 14. a discharge port; 15. an electromagnetic valve; 16. a PH meter placing hole; 17. a sealing cover; 18. rubber fixing seat.
Detailed Description
The following description of the present invention is made in conjunction with the accompanying drawings, and the pickling waste gas recovery processing device shown in fig. 1 is provided with a recovery fan 2 for collecting gas on the connected air pipe, wherein the recovery tower is a recovery tower for recovering acid mist, and the other part is a waste liquid neutralization device, wherein the recovery tower is connected to a sealing cover 1 through an air pipe, the sealing cover 1 is used for connecting the acid mist generated in the pickling tank, and the recovery tower is provided with a shower device and a second packing layer 4 for absorbing the acid mist.
Further, in first packing layer 3 in the recovery tower, second packing layer 4 preferably adopts columnar activated carbon and plastics pall ring, all is provided with first shower nozzle 8 and second shower nozzle 5 in first packing layer 3 and 4 tops of second packing layer, first shower nozzle 8 and second shower nozzle 5 through water piping connection to pond 10, carry out the pump water through the water pump on the water pipe of connection, the high-pressure water smoke that is formed through two-layer high-pressure shower nozzle by inspiratory acid mist fuses with acid mist and forms acidic waste liquid, acidic waste liquid drops in hybrid chamber 9, and gas after spraying and two-layer packing layer are handled is got rid of through blast pipe 6 behind the layer 7 absorption of water vapor.
Furthermore, a water outlet is arranged in the mixing cavity 9, the water outlet is connected with an acid-base neutralization tank through a water pipe, a water pump is arranged on the connected water pipe, the water pump pumps the acid waste liquid into the acid-base neutralization tank, a water pipe connected with an alkali liquid tank 11 is also arranged in the acid-base neutralization tank and is connected with the water pump, when the acid waste liquid is continuously pumped, the alkali liquid tank 11 is also continuously pumped through the water pump, a sealing cover 17 is arranged above the acid-base neutralization tank, a motor 12 is arranged on the sealing cover 17, the motor 12 is connected with an internal rotating shaft through a coupler, the rotating shaft is connected with a stirring seat 13, the stirring seat 13 can continuously stir to enable the acid-base liquid to continuously react, wherein the stirring seat 13 is a ceramic anti-corrosion stirring seat 13, the sealing cover 17 is fixed on the acid-base neutralization tank in a hinged mode, and can be conveniently, still be provided with the PH meter on sealed lid 17 and place hole 16, place the hole 16 top at the PH meter and set up rubber fixing base 18, the PH tester places the hole through the PH tester and puts into acid-base neutralization pond in, the PH tester card is established on rubber fixing base 18, a PH value for detect neutralization liquid, still be provided with the outlet in acid-base neutralization pond, still be provided with solenoid valve 15 in the outlet, solenoid valve 15 can receive the numerical value that the PH tester sent, solenoid valve 15 is opened and is discharged when the PH value of middle and back liquid reaches neutral value, can operate in succession automatically, more high-efficient convenience.
The above description is made in detail with reference to the embodiments of the present invention, and the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art according to the technical solution of the present invention are considered as the protection scope of the present invention without departing from the concept of the present invention.
Claims (5)
1. Acid pickling waste gas recovery processing apparatus, including recovery tower and acid-base neutralization pond, set up the shower device in the recovery tower, its characterized in that: recovery tower one end is connected with the sealed cowling, the sealed cowling sets up on the pickling bath, the sealed cowling passes through the trachea and connects the recovery fan, and the recovery fan is arranged acid mist to the recovery tower in, be provided with gas mixing chamber and set up the shower device in gas mixing chamber top in the recovery tower, the shower device sets up two high pressure showers shower nozzle, two high pressure showers shower nozzle below are provided with first packing layer and second packing layer respectively, still be provided with the blast pipe on the recovery tower, the blast pipe below is provided with the layer that absorbs water, gas mixing chamber bottom is provided with the delivery port, the delivery port is connected through connecting water pipe and acid-base neutralization pond, is provided with the water pump on the connecting water pipe wherein, acid-base neutralization pond is connected with the alkali lye pond, still be provided with the stirring seat in the acid-base neutralization pond.
2. The pickling exhaust gas recovery processing device according to claim 1, characterized in that: the high-pressure sprinkling nozzle is connected with an external water tank through a water pump.
3. The pickling exhaust gas recovery processing device according to claim 1, characterized in that: the pickling neutralization tank is provided with a sealing cover, the sealing cover is hinged with the neutralization tank, and the stirring seat is connected with a motor arranged on the sealing cover.
4. The pickling exhaust gas recovery processing device according to claim 3, characterized in that: still be provided with the PH meter on the pickling neutralization pond sealed cover and place the hole, it is provided with PH measuring machine fixing base to place the hole top, the fixing base is rubber fixing base, and the PH measuring machine card is established in rubber fixing base.
5. The pickling exhaust gas recovery processing device according to claim 1, characterized in that: and a wastewater discharge port is also arranged on the acid pickling neutralization tank, and an electromagnetic valve is arranged on the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541181.3U CN210729096U (en) | 2019-09-17 | 2019-09-17 | Pickling waste gas recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541181.3U CN210729096U (en) | 2019-09-17 | 2019-09-17 | Pickling waste gas recovery processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210729096U true CN210729096U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921541181.3U Active CN210729096U (en) | 2019-09-17 | 2019-09-17 | Pickling waste gas recovery processing device |
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| Country | Link |
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| CN (1) | CN210729096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642280A (en) * | 2020-12-17 | 2021-04-13 | 中航沈飞民用飞机有限责任公司 | Automatic monitorable waste gas capture system of aluminum alloy oxidation production line |
-
2019
- 2019-09-17 CN CN201921541181.3U patent/CN210729096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642280A (en) * | 2020-12-17 | 2021-04-13 | 中航沈飞民用飞机有限责任公司 | Automatic monitorable waste gas capture system of aluminum alloy oxidation production line |
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