CN217119859U

CN217119859U - Flue gas purification device for preparing acid from acid-containing waste liquid

Info

Publication number: CN217119859U
Application number: CN202220938131.4U
Authority: CN
Inventors: 朱步海; 周永余; 周永权
Original assignee: Jiangsu Shunke Environmental Engineering Co ltd
Current assignee: Jiangsu Shunke Environmental Engineering Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-05
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of the sour equipment technique of system and specifically relates to indicate a contain sour flue gas purification device for sour system of sour waste liquid, including the discharge hood, the right-hand member fixedly connected with casing of connecting pipe, the right-hand member fixedly connected with water tank of casing, the inside fixedly connected with shower nozzle of casing, and shower nozzle and water tank intercommunication, the right-hand member of water tank is provided with first inlet tube, and first inlet tube and water piping connection, the top fixedly connected with syringe of water tank, the right-hand member fixedly connected with second inlet tube of syringe, and second inlet tube and water tank intercommunication, the rear end fixedly connected with third inlet tube of syringe, and the third inlet tube is connected with alkaline solution pond, the left end of syringe is provided with advancing mechanism. The utility model discloses, connect water tank and alkaline solution pond through the syringe, alkaline solution in the syringe extraction alkaline solution pond adds alkaline solution to the water tank in, and the work efficiency has been improved greatly in the circulation operation.

Description

Flue gas purification device for preparing acid from acid-containing waste liquid

Technical Field

The utility model relates to an acid making equipment technical field especially relates to a flue gas purification device for sour system of sour waste liquid contains acid.

Background

In the acid making and acid using processes of chemical plants, chemical fiber plants, metal surface treatment industries, electroplating industries and the like, a large amount of acid waste water can be discharged, if the industrial acid waste water is directly discharged, pipelines can be corroded, crops can be damaged, aquatic organisms such as fishes can be injured, the ecological environment can be damaged, the human health can be harmed, and the acid making by using the acid-containing waste liquid is an effective means for treating the acid waste water.

When acid is prepared by using acid-containing waste liquid, acidic flue gas overflows, and the acidic flue gas is discharged into the air to cause air pollution, so that the flue gas is generally collected by arranging a channel and then is treated in a centralized manner, the acidic flue gas is generally neutralized by using an alkaline solution, but in the existing purification device, the alkaline solution needs to be prepared in advance, and after the alkaline solution is used up, the device needs to be stopped, and the alkaline solution needs to be filled again, so that the working efficiency of the purification device is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flue gas purification device for preparing acid from acid-containing waste liquid.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a flue gas purification device for preparing acid from acid-containing waste liquid comprises a gas collecting hood, wherein a connecting pipe is fixedly connected to the top end of the gas collecting hood, a shell is fixedly connected to the right end of the connecting pipe, a water tank is fixedly connected to the right end of the shell, a spray head is fixedly connected to the interior of the shell and communicated with the water tank, a first water inlet pipe is arranged at the right end of the water tank and connected with a tap water pipe, an injector is fixedly connected to the top end of the water tank, a second water inlet pipe is fixedly connected to the right end of the injector and communicated with the water tank, a third water inlet pipe is fixedly connected to the rear end of the injector and connected with an alkaline solution pool, a propelling mechanism is arranged at the left end of the injector, the gas collecting hood is connected with an acid preparing device, when the acid preparing device works, flue gas is generated, and enters the connecting pipe through the gas collecting hood, then the high-concentration alkaline solution enters the shell, the pushing mechanism works to enable the injector to work, the high-concentration alkaline solution in the injector enters the water tank through the second water inlet pipe, the tap water pipe supplies clean water to the water tank through the first water inlet pipe, the clean water dilutes the high-concentration alkaline solution and then sprays the diluted high-concentration alkaline solution through the spray head to neutralize smoke entering the shell, after the high-concentration alkaline solution in the injector is used up, the pushing mechanism retreats to enable the injector to extract the high-concentration alkaline solution from the alkaline solution tank through the third water inlet pipe, the alkaline solution tank is arranged on the ground and is convenient to feed, the phenomenon that the alkaline solution needs to be added when the device works is avoided, and the working efficiency is greatly improved.

As a further description of the above technical solution:

the inside of second inlet tube is provided with first check valve, the inside of third inlet tube is provided with the second check valve, sets up first check valve and second check valve, avoids the syringe when injection alkaline solution, and alkaline solution discharges from the third inlet tube, and the syringe is when extraction alkaline solution, and the air gets into the syringe from the second inlet tube.

As a further description of the above technical solution:

advancing mechanism includes the telescopic link, the left end fixedly connected with connecting plate of telescopic link, and the front end and the syringe fixed connection of connecting plate, telescopic link position electric telescopic handle, automatic operation, the telescopic link is flexible to be passed through the connecting plate and is driven the syringe operation.

As a further description of the above technical solution:

the bottom of gas collecting channel is provided with the curb plate, and the bottom of curb plate is provided with the sealing washer, and the gas collecting channel passes through the curb plate to be connected with the system acid equipment, and the sealing washer setting increases its leakproofness between curb plate and system acid equipment, avoids the flue gas excessive.

As a further description of the above technical solution:

the inside of casing is provided with the vacuum pump, and vacuum pump and external intercommunication, and the air in the vacuum pump work is taken out the casing, reduces the atmospheric pressure in the casing, makes in the flue gas inflow casing to the surface of vacuum pump sets up filtration membrane, avoids the flue gas to be arranged to the atmosphere through the vacuum pump, and the position in the casing is confirmed according to actual conditions to the vacuum pump, avoids liquid to wrap up the vacuum pump.

As a further description of the above technical solution:

the inside fixedly connected with motor of casing, the bottom fixedly connected with gear of motor, the inside of casing rotates and is connected with the ring gear, and the ring gear is connected with gear engagement, the bottom fixedly connected with scraper blade of ring gear, motor work drive gear revolve, and gear revolve drives the ring gear and rotates in the casing, and then makes the scraper blade clear up the inner wall of casing, and motor position bidirectional motor can bidirectional rotation, avoids scraper blade and shower nozzle to take place to interfere.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this a flue gas purification device for sour system acid of sour waste liquid that contains acid, make the syringe work through advancing mechanism, the alkaline solution of high concentration in the syringe passes through in the second inlet tube gets into the water tank, the water supply pipe provides the clear water in to the water tank through first inlet tube, the clear water dilutes the alkaline solution of high concentration then through the shower nozzle blowout, carry out the neutralization to the flue gas that gets into in the casing, after the high concentration alkaline solution in the syringe exhausts, advancing mechanism retreats and makes the syringe pass through the alkaline solution of third inlet tube extraction high concentration in the alkaline solution pond, the circulation is reciprocal, work efficiency has been improved greatly.

2. Compared with the prior art, this a flue gas purification device for sour acid preparation of containing sour waste liquid drives gear revolve through motor work, and gear revolve drives the ring gear and rotates in the casing, and then makes the scraper blade clear up the inner wall of casing, avoids the flue gas granule to be stained with and attaches at shells inner wall.

Drawings

FIG. 1 is a perspective view of a flue gas purification device for producing acid from acid-containing waste liquid;

fig. 2 is an enlarged view of a position a in fig. 1 of the flue gas purification device for preparing acid from acid-containing waste liquid provided by the utility model;

fig. 3 is a sectional view of a flue gas purification device for producing acid from acid-containing waste liquid provided by the utility model;

fig. 4 is the enlarged view of B in fig. 3 of a flue gas purification device for preparing acid from acid-containing waste liquid provided by the utility model.

Illustration of the drawings:

1. a gas-collecting hood; 2. a side plate; 3. a connecting pipe; 4. a housing; 5. a spray head; 6. a first water inlet pipe; 7. a water tank; 8. an injector; 9. a second water inlet pipe; 10. a first check valve; 11. a third water inlet pipe; 12. a second one-way valve; 13. a connecting plate; 14. a telescopic rod; 15. a vacuum pump; 16. an electric motor; 17. a gear; 18. a toothed ring; 19. a scraper.

Detailed Description

Referring to fig. 1-4, the utility model provides a pair of contain sour waste liquid flue gas purification device for making acid: comprises a gas collecting hood 1, a side plate 2 is arranged at the bottom end of the gas collecting hood 1, a sealing ring is arranged at the bottom end of the side plate 2, the gas collecting hood 1 is connected with an acid making device through the side plate 2, the sealing ring is arranged between the side plate 2 and the acid making device to increase the sealing performance and avoid the overflow of smoke, a connecting pipe 3 is fixedly connected at the top end of the gas collecting hood 1, a shell 4 is fixedly connected at the right end of the connecting pipe 3, a vacuum pump 15 is arranged inside the shell 4, the vacuum pump 15 is communicated with the outside, the vacuum pump 15 works to pump out air in the shell 4 and reduce the air pressure in the shell 4, so that the smoke flows into the shell 4, a filtering membrane is arranged on the outer surface of the vacuum pump 15 to avoid the smoke being discharged into the atmosphere through the vacuum pump 15, the vacuum pump 15 determines the position in the shell 4 according to actual conditions, so as to avoid the liquid from wrapping the vacuum pump 15, and a water tank 7 is fixedly connected at the right end of the shell 4, the inside of the shell 4 is fixedly connected with a spray head 5, the spray head 5 is communicated with a water tank 7, the right end of the water tank 7 is provided with a first water inlet pipe 6, the first water inlet pipe 6 is connected with a tap water pipe, the top end of the water tank 7 is fixedly connected with an injector 8, the right end of the injector 8 is fixedly connected with a second water inlet pipe 9, the second water inlet pipe 9 is communicated with the water tank 7, the rear end of the injector 8 is fixedly connected with a third water inlet pipe 11, the third water inlet pipe 11 is connected with an alkaline solution pool, the left end of the injector 8 is provided with a propulsion mechanism, the propulsion mechanism comprises a telescopic rod 14, the left end of the telescopic rod 14 is fixedly connected with a connecting plate 13, the front end of the connecting plate 13 is fixedly connected with the injector 8, the telescopic rod is 14-position electric telescopic rod, the automatic operation is realized, the telescopic rod 14 is stretched to drive the injector 8 to operate through the connecting plate 13, the inside of the second water inlet pipe 9 is provided with a first one-way valve 10, the second one-way valve 12 is arranged inside the third water inlet pipe 11, the first one-way valve 10 and the second one-way valve 12 are arranged, so that the situation that when the injector 8 injects alkaline solution, the alkaline solution is discharged from the third water inlet pipe 11 is avoided, when the injector 8 extracts the alkaline solution, air enters the injector 8 from the second water inlet pipe 9, the gas collecting hood 1 is connected with acid making equipment, when the acid making equipment works, smoke is generated, the smoke enters the connecting pipe 3 through the gas collecting hood 1 and then enters the shell 4, the pushing mechanism works to enable the injector 8 to work, high-concentration alkaline solution in the injector 8 enters the water tank 7 through the second water inlet pipe 9, the tap water pipe provides clean water into the water tank 7 through the first water inlet pipe 6, the clean water dilutes the high-concentration alkaline solution and then is sprayed out through the spray nozzle 5 to neutralize the smoke entering the shell 4, when the high-concentration alkaline solution in the injector 8 is used up, advancing mechanism retreats and makes syringe 8 extract the alkaline solution of high concentration in from the alkaline solution pond through third inlet tube 11, and the alkaline solution pond sets up subaerial, is convenient for feed in raw material, has avoided needing stop device work to add alkaline solution, has improved work efficiency greatly.

The inside fixedly connected with motor 16 of casing 4, the bottom fixedly connected with gear 17 of motor 16, the inside rotation of casing 4 is connected with ring gear 18, and ring gear 18 is connected with the meshing of gear 17, the bottom fixedly connected with scraper blade 19 of ring gear 18, motor 16 work drives gear 17 and rotates, gear 17 rotates and drives ring gear 18 at the internal rotation of casing 4, and then make scraper blade 19 clear up the inner wall of

casing

4, 16 two-way motor of motor, can two-way rotation, avoid scraper blade 19 and shower nozzle 5 to take place to interfere.

The working principle is as follows: the gas collecting hood 1 is connected with an acid making device through a side plate 2, smoke is generated during operation of the acid making device, a vacuum pump 15 works to make a shell 4 into a low-pressure environment, the smoke enters the gas collecting hood 1 and then enters the shell 4 through a connecting pipe 3, a tap water pipe injects clean water into a water tank 7 through a first water inlet pipe 6, a telescopic rod 14 works to enable an injector 8 to work through a connecting plate 13, the injector 8 injects high-concentration alkaline solution into the water tank 7 through a second water inlet pipe 9, the alkaline solution is sprayed out through a spray head 5 after being diluted to neutralize the smoke entering the shell 4, when the alkaline solution in the injector 8 is used up, the telescopic rod 14 extends, the injector 8 extracts the high-concentration alkaline solution from the alkaline solution tank through a third water inlet pipe 11 to realize the circulating operation of the injector 8, a motor 16 works to drive a gear 17 to rotate, the gear 17 drives a scraper 19 to move along the inner wall of the shell 4 through a toothed ring 18, the scraper 19 scrapes off the smoke particles on the inner wall of the shell 4, and keeps the inner wall of the shell 4 clean.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a flue gas purification device for sour system of sour waste liquid that contains, includes gas collecting channel (1), its characterized in that: the top end of the gas-collecting hood (1) is fixedly connected with a connecting pipe (3), the right end of the connecting pipe (3) is fixedly connected with a shell (4), the right end of the shell (4) is fixedly connected with a water tank (7), the interior of the shell (4) is fixedly connected with a spray head (5), the spray head (5) is communicated with the water tank (7), the right end of the water tank (7) is provided with a first water inlet pipe (6), the first water inlet pipe (6) is connected with a tap water pipe, the top end of the water tank (7) is fixedly connected with an injector (8), the right end of the injector (8) is fixedly connected with a second water inlet pipe (9), the second water inlet pipe (9) is communicated with the water tank (7), the rear end of the injector (8) is fixedly connected with a third water inlet pipe (11), and the third water inlet pipe (11) is connected with the alkaline solution pool, and the left end of the injector (8) is provided with a propelling mechanism.

2. The flue gas purification device for preparing acid from acid-containing waste liquid according to claim 1, characterized in that: the inside of second inlet tube (9) is provided with first check valve (10), the inside of third inlet tube (11) is provided with second check valve (12).

3. The flue gas purification device for preparing acid from acid-containing waste liquid according to claim 1, characterized in that: the propelling mechanism comprises a telescopic rod (14), a connecting plate (13) is fixedly connected to the left end of the telescopic rod (14), and the front end of the connecting plate (13) is fixedly connected with the injector (8).

4. The flue gas purification device for preparing acid from acid-containing waste liquid according to claim 1, characterized in that: the bottom of the gas-collecting hood (1) is provided with a side plate (2), and the bottom of the side plate (2) is provided with a sealing ring.

5. The flue gas purification device for preparing acid from acid-containing waste liquid according to claim 1, characterized in that: the vacuum pump (15) is arranged inside the shell (4), and the vacuum pump (15) is communicated with the outside.

6. The flue gas purification device for preparing acid from acid-containing waste liquid according to claim 1, characterized in that: the inside fixedly connected with motor (16) of casing (4), the bottom fixedly connected with gear (17) of motor (16), the inside rotation of casing (4) is connected with ring gear (18), and ring gear (18) and gear (17) meshing are connected, the bottom fixedly connected with scraper blade (19) of ring gear (18).