Tail gas treatment equipment for sulfur black production

Abstract

The utility model discloses tail gas treatment equipment for sulfur black production. The tail gas treatment equipment comprises a header pipe, a temperature sensor, a pressure monitor and a water seal, according to the device disclosed by the utility model, the first alkali absorption tower and the second alkali absorption tower are matched for use, so that hydrogen sulfide generated during sulfur black production can be in full contact with caustic soda in a dual spraying manner, and waste gas absorption treatment is carried out on the hydrogen sulfide. The effect of absorbing the hydrogen sulfide waste gas is improved. According to the ammonia gas waste gas absorption device, the first ammonia gas absorption tower and the second ammonia gas absorption tower are matched for use, ammonia gas generated during sulfur black production can be in full contact with water, and then waste gas absorption treatment is performed on the ammonia gas, so that the absorption effect of the ammonia gas waste gas is improved by using the device disclosed by the utility model.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely is a tail gas treatment equipment for vulcan black production. BACKGROUND

[0002] Vulcan black is black phosphorus flaky solid, is mainly used for cotton textile dyeing, and tail gas is produced in the process of processing vulcan black, at this moment needs to use tail gas absorption device to handle, although the variety of tail gas absorption device has a lot, but still cannot satisfy the demand of the user. The prior art tail gas absorption device cannot absorb and cool the heat in the tail gas, cannot absorb and settle the fine particulate impurities mixed in the tail gas to the bottom of the spray tower, and is usually single adsorption, so that the absorption effect is poor.

[0003] The device in the above-mentioned publication "CN218530254U" is named "Tail gas absorption device for vulcan black processing process". Although the device in the above-mentioned publication solves the above-mentioned problems, the device cannot selectively absorb and treat hydrogen sulfide and ammonia gas produced in the vulcan black production process, thereby reducing the tail gas absorption treatment effect. Based on this, the utility model designs a tail gas treatment equipment for vulcan black production to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a tail gas treatment equipment for vulcan black production to solve the problems in the above-mentioned background technology.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A tail gas treatment equipment for vulcanized black production, including main pipe, temperature sensor, pressure monitor and water seal, the temperature sensor is fixed in the left side of the inside of main pipe, the pressure monitor is fixedly penetrated in the left side of the top of main pipe, the water seal is fixedly penetrated in the left side of the top of main pipe, the outside of main pipe is equipped with waste gas treatment assembly, the waste gas treatment assembly includes the first alkali absorption tower of fixedly sleeved in the right side of the bottom of main pipe, the second alkali absorption tower of the right side of first alkali absorption tower is connected with first alkali absorption tower through pipeline, the rear end of the outside of first alkali absorption tower and second alkali absorption tower is provided with tank, the inside upper end of first alkali absorption tower and second alkali absorption tower is fixedly provided with spray pipe, the top of tank is fixedly provided with water pump, the top of water pump is fixedly provided with Y type pipe, and the other two ends of Y type pipe are fixedly penetrated in first alkali absorption tower and second alkali absorption tower in proper order, the two ends of Y type pipe away from water pump are fixedly penetrated in spray pipe, the right side of second alkali absorption tower is fixedly provided with frequency pump, the right side of frequency pump is fixedly provided with flash tower, the inside of flash tower is fixedly provided with vacuum generator, the top of flash tower is fixedly provided with first cooling pump, and first cooling pump right side is connected with the setting of washing defoaming ware through pipeline, the right side of washing defoaming ware is connected with the setting of vulcanized alkali storage tank through pipeline, the front end of the outside of flash tower is fixedly provided with first circulating pump, and first circulating pump is connected with second alkali absorption tower through pipeline.

[0006] Further, the front end of the main pipe is provided with a connecting pipe, the right side of the connecting pipe is fixedly provided with a second ammonia gas absorption tower, and the outside of the first alkali absorption tower is fixedly provided with a controller.

[0007] Further, the right side of the second ammonia gas absorption tower is fixedly provided with an exhaust pipe, the middle end of the exhaust pipe is fixedly provided with a fan, and the outside of the exhaust pipe is fixedly penetrated with an ammonia leakage alarm instrument.

[0008] Further, the right side of the exhaust pipe is fixedly provided with a first ammonia gas absorption tower, and the inside of the first ammonia gas absorption tower is fixedly provided with a hydrometer.

[0009] Further, the second ammonia gas absorption tower and the first ammonia gas absorption tower are in a parallel design state, and the top of the second ammonia gas absorption tower is fixedly provided with a second circulating pump.

[0010] Further, the top of the first ammonia gas absorption tower is fixedly provided with a second cooling pump, and the right side of the first ammonia gas absorption tower is provided with an ammonia water tank.

[0011] Further, the ammonia water tank and the first ammonia gas absorption tower are communicated through a mounting pipe, and the inside of the mounting pipe is fixedly provided with an electromagnetic valve.

[0012] Further, the outer wall of the first alkali absorption tower is fixedly provided with a third circulating pump, the outer part of the third circulating pump is fixedly provided with a special-shaped pipe, and the other two ends of the special-shaped pipe are fixedly penetrated into the first ammonia gas absorption tower and the second ammonia gas absorption tower.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The first alkali absorption tower and the second alkali absorption tower are used in cooperation, hydrogen sulfide generated in the production of sulfuration black is fully contacted with caustic soda in a double spraying mode, and the hydrogen sulfide is treated by waste gas absorption, so that the hydrogen sulfide waste gas absorption effect is improved by using the device.

[0015] 2. The first ammonia gas absorption tower and the second ammonia gas absorption tower are used in cooperation, ammonia generated in the production of sulfuration black is fully contacted with water, and the ammonia is treated by waste gas absorption, so that the ammonia waste gas absorption effect is improved by using the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used for the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is a perspective view of the tail gas treatment equipment for sulfuration black production of the utility model;

[0018] Figure 2 It is the internal perspective view of the first alkali absorption tower and the second alkali absorption tower;

[0019] Figure 3 It is the top view of the first circulating pump and the third circulating pump;

[0020] Figure 4 It is the internal perspective view of the total pipe;

[0021] Figure 5 It is the internal perspective view of the first ammonia gas absorption tower and the second ammonia gas absorption tower.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] Main pipe, 2-temperature sensor, 3-pressure monitor, 4-water seal, 5-waste gas treatment assembly, 501-first alkali absorption tower, 502-second alkali absorption tower, 503-tank body, 504-spraying pipe, 505-water pump, 506-Y-shaped pipe, 507-frequency pump, 508-flash tower, 509-vacuum generator, 510-first cooling pump, 511-washing demister, 512-sulfurized alkali storage tank, 513-first circulating pump, 6-connection pipe, 7-second ammonia gas absorption tower, 8-controller, 9-exhaust pipe, 10-fan, 11-ammonia leakage alarm instrument, 12-first ammonia gas absorption tower, 13-specific gravity meter, 14-second circulating pump, 15-second cooling pump, 16-ammonia water tank, 17-mounting pipe, 18-solenoid valve, 19-third circulating pump, 20-irregular pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment 1

[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the device comprises a main pipe 1, a temperature sensor 2, a pressure monitor 3 and a water seal 4, the temperature sensor 2 is fixedly arranged inside the left side of the main pipe 1, the pressure monitor 3 is fixedly arranged through the top left side of the main pipe 1, the water seal 4 is fixedly arranged through the top left side of the main pipe 1, the main pipe 1 is externally sleeved with a waste gas treatment assembly 5, the waste gas treatment assembly 5 comprises a first alkali absorption tower 501 fixedly sleeved on the bottom right side of the main pipe 1, a second alkali absorption tower 502 arranged on the right side of the first alkali absorption tower 501 and connected with the first alkali absorption tower 501 through a pipeline, a tank 503 arranged at the rear end outside the first alkali absorption tower 501 and the second alkali absorption tower 502, a spraying pipe 504 fixedly arranged at the inner upper end of the first alkali absorption tower 501 and the second alkali absorption tower 502, a water pump 505 fixedly arranged on the top of the tank 503, a Y-shaped pipe 506 fixedly arranged on the top of the water pump 505, and the other two ends of the Y-shaped pipe 506 are fixedly arranged through the first alkali absorption tower 501 and the second alkali absorption tower 502 in sequence, the two ends of the Y-shaped pipe 506 away from the water pump 505 are fixedly arranged through the spraying pipe 504, a frequency pump 507 is fixedly arranged on the right side of the second alkali absorption tower 502, a flash tower 508 is fixedly arranged on the right side of the frequency pump 507, a vacuum generator 509 is fixedly arranged inside the flash tower 508, a first cooling pump 510 is fixedly arranged on the top of the flash tower 508, and a washing defoamer 511 is connected and arranged on the right side of the first cooling pump 510 through a pipeline, a sulfurized alkali storage tank 512 is connected and arranged on the right side of the washing defoamer 511 through a pipeline, a first circulating pump 513 is fixedly arranged at the front end outside the flash tower 508, and the first circulating pump 513 is connected with the second alkali absorption tower 502 through a pipeline.

[0026] First, the left end of the main pipe 1 is connected with the tail end of the sulfurizing pot exhaust tail gas, the hydrogen sulfide generated in the production of sulfur black is discharged into the first alkali absorption tower 501 by the main pipe 1, and the temperature sensor 2 detects the temperature of the tail gas, at the same time, the pressure monitor 3 detects the pressure of the tail gas discharge, when the main pipe 1 is blocked or the first alkali absorption tower liquid level is too high, causing the tail gas to be blocked, and preventing the tail gas from returning to the sulfurizing pot to cause serious risk, the water seal 4 plays an emergency pressure relief role, 50% concentration of caustic soda is placed in the first alkali absorption tower 501, the water pump 505 is opened, the water pump 505 discharges the liquid in the tank body 503 from the Y-shaped pipe 506 through the spray pipe 504, so as to spray the hydrogen sulfide and caustic soda in the first alkali absorption tower 501, that is, to absorb the hydrogen sulfide once, at the same time, the hydrogen sulfide is discharged into the second alkali absorption tower 502, so that the liquid sprays and absorbs the hydrogen sulfide in the second alkali absorption tower 502 twice, the frequency pump 507 is opened, the frequency pump 507 delivers the treated liquid in the second alkali absorption tower 502 to the flash tower 508, the vacuum generator 509 forms negative pressure in the flash tower 508, which plays a role in concentrating sodium sulfide solution, the first circulating pump 513 delivers the liquid in the flash tower 508 to the second alkali absorption tower 302, which plays a role in balancing circulation, the first cooling pump 510 cools the water vapor discharged from the flash tower 508, at the same time, the scrubber 511 can prevent the steam from carrying the sulfurized alkali liquid in the flash tower 508, and finally the liquid in the flash tower 508 is discharged into the sulfurized alkali storage tank 512. Example 2

[0027] As shown in Figure 1 , Figure 3 , Figure 5 , the front end of the main pipe 1 is provided with a connecting pipe 6 in parallel, the right side of the connecting pipe 6 is fixedly provided with a second ammonia gas absorption tower 7, the outside of the first alkali absorption tower 501 is fixedly provided with a controller 8, the right side of the second ammonia gas absorption tower 7 is fixedly provided with an exhaust pipe 9, the middle end of the exhaust pipe 9 is fixedly provided with a fan 10, the outside of the exhaust pipe 9 is fixedly penetrated by an ammonia leakage alarm instrument 11, the right side of the exhaust pipe 9 is fixedly provided with a first ammonia gas absorption tower 12, the inside of the first ammonia gas absorption tower 12 is fixedly provided with a specific gravity meter 13, the second ammonia gas absorption tower 7 and the first ammonia gas absorption tower 12 are in parallel design, the top of the second ammonia gas absorption tower 7 is fixedly provided with a second circulating pump 14, the top of the first ammonia gas absorption tower 12 is fixedly provided with a second cooling pump 15, the right side of the first ammonia gas absorption tower 12 is provided with an ammonia water tank 16, the ammonia water tank 16 and the first ammonia gas absorption tower 12 are communicated through a mounting pipe 17, the inside of the mounting pipe 17 is fixedly provided with an electromagnetic valve 18, the outer wall of the first alkali absorption tower 501 is fixedly provided with a third circulating pump 19, the outside of the third circulating pump 19 is fixedly provided with a special-shaped pipe 20, the other two ends of the special-shaped pipe 20 are respectively fixedly penetrated in the first ammonia gas absorption tower 12 and the second ammonia gas absorption tower 7.

[0028] The worker connects the connecting pipe 6 with the tail end of the sulfurizing pot exhaust tail gas, so that the exhaust gas is discharged into the second ammonia gas absorption tower 7 through the connecting pipe 6, and water is arranged in the second ammonia gas absorption tower 7 to absorb the residual ammonia gas in the exhaust gas. Through the use of the second circulating pump 14, the water in the second ammonia gas absorption tower 7 is in a self-circulating manner to fully contact with the ammonia gas. At the same time, the ammonia leakage alarm instrument 11 monitors the ammonia discharge amount to ensure that all the ammonia gas in the exhaust gas is absorbed. The fan 10 is opened, and the fan 10 introduces the ammonia gas in the exhaust gas into the first ammonia gas absorption tower 12. Water is arranged in the first ammonia gas absorption tower 12 to fully absorb the ammonia gas. In addition, the hydrometer 13 monitors the liquid concentration in the first ammonia gas absorption tower 12. If the concentration reaches the value set by the controller 8, the electromagnetic valve 18 is opened, and the liquid is discharged into the ammonia water tank 16 through the installation pipe 17. The second cooling pump 15 cools the ammonia gas and water vapor in the exhaust gas. Through the self-circulating action of the second cooling pump 15, the ammonia gas is fully absorbed. When the liquid level of the first ammonia gas absorption tower 12 and the second ammonia gas absorption tower 7 is high and the concentration is low, the third circulating pump 19 is opened, so that the liquid is transported into the first alkali absorption tower 501 through the special-shaped pipe 20 for spraying. The first ammonia gas absorption tower 12 continues to absorb the ammonia gas to achieve the purpose of fully absorbing the ammonia gas and improving the concentration of ammonia water.

Claims

1. A tail gas treatment equipment for sulfur black production, comprising a main pipe (1), a temperature sensor (2), a pressure monitor (3) and a water seal (4), characterized in that: The temperature sensor (2) is fixed inside the left side of the total pipe (1), the pressure monitor (3) is fixed through the left side of the top of the total pipe (1), the water seal (4) is fixed through the left side of the top of the total pipe (1), the total pipe (1) is externally provided with a waste gas treatment assembly (5), the waste gas treatment assembly (5) comprises a first alkali absorption tower (501) fixedly sleeved on the right side of the bottom of the total pipe (1), a second alkali absorption tower (502) provided on the right side of the first alkali absorption tower (501) is connected with the first alkali absorption tower (501) through a pipeline, tank bodies (503) are arranged at the outer rear ends of the first alkali absorption tower (501) and the second alkali absorption tower (502), spraying pipes (504) are fixedly arranged at the inner upper ends of the first alkali absorption tower (501) and the second alkali absorption tower (502), water pumps (505) are fixedly arranged at the tops of the tank bodies (503), Y-shaped pipes (506) are fixedly arranged at the tops of the water pumps (505), and the other two ends of the Y-shaped pipes (506) are fixedly penetrated into the first alkali absorption tower (501) and the second alkali absorption tower (502) in sequence, the two ends, away from the water pumps (505), of the Y-shaped pipes (506) are fixedly penetrated into the spraying pipes (504), frequency pumps (507) are fixedly arranged at the right sides of the second alkali absorption towers (502), flash towers (508) are fixedly arranged at the right sides of the frequency pumps (507), vacuum generators (509) are fixedly arranged in the flash towers (508), first cooling pumps (510) are fixedly arranged at the tops of the flash towers (508), and scrubbing demisters (511) are connected and arranged at the right sides of the first cooling pumps (510) through pipelines, sulfide alkali storage tanks (512) are connected and arranged at the right sides of the scrubbing demisters (511) through pipelines, and first circulating pumps (513) are fixedly arranged at the outer front ends of the flash towers (508).

2. The tail gas treatment equipment for producing sulfur black according to claim 1, characterized in that: The total pipe (1) is provided with a connecting pipe (6) parallel to the front end, a second ammonia gas absorption tower (7) is fixedly arranged at the right side of the connecting pipe (6), and a controller (8) is fixedly arranged at the outside of the first alkali absorption tower (501).

3. The tail gas treatment equipment for producing sulfur black according to claim 2, characterized in that: An exhaust pipe (9) is fixedly arranged at the right side of the second ammonia gas absorption tower (7), a fan (10) is fixedly arranged at the middle end of the exhaust pipe (9), and an ammonia leakage alarm instrument (11) is fixedly penetrated into the outside of the exhaust pipe (9).

4. The tail gas treatment equipment for producing sulfur black according to claim 3, characterized in that: A first ammonia gas absorption tower (12) is fixedly arranged at the right side of the exhaust pipe (9), and a specific gravity meter (13) is fixedly arranged in the first ammonia gas absorption tower (12).

5. The tail gas treatment equipment for producing sulfur black according to claim 2, characterized in that: The second ammonia gas absorption tower (7) and the first ammonia gas absorption tower (12) are in a parallel design state, and a second circulating pump (14) is fixedly arranged at the top of the second ammonia gas absorption tower (7).

6. The tail gas treatment apparatus for producing sulfur black according to claim 5, characterized by: A second cooling pump (15) is fixedly arranged at the top of the first ammonia gas absorption tower (12), and an ammonia water tank (16) is arranged at the right side of the first ammonia gas absorption tower (12).

7. The tail gas treatment apparatus for producing sulfur black according to claim 6, characterized by: The ammonia water tank (16) and the first ammonia gas absorption tower (12) are communicated through a mounting pipe (17), and an electromagnetic valve (18) is fixedly arranged in the mounting pipe (17).

8. The tail gas treatment equipment for producing sulfur black according to claim 1, characterized in that: The outer wall of the first alkali absorption tower (501) is fixed with a third circulating pump (19), the outer part of the third circulating pump (19) is fixed with a special-shaped pipe (20), and the other two ends of the special-shaped pipe (20) are respectively fixed and penetrated into the first ammonia gas absorption tower (12) and the second ammonia gas absorption tower (7).

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