Device for treating tail gas generated in production of white carbon black by gas phase method

Abstract

The utility model relates to the technical field of white carbon black production, and discloses a gas phase method white carbon black production tail gas treatment device which comprises a rotary separator, a cleaning mechanism is detachably installed at the top end of the rotary separator and comprises a sealing ring, the top end of the sealing ring is fixedly connected with a positioning ring, and the positioning ring is fixedly connected with the rotary separator. A rotating ring is rotatably connected to the inner wall of the positioning ring, a second bevel gear is fixedly connected to the inner wall of the rotating ring, a motor is fixedly connected to the right side of the positioning ring, a first bevel gear is fixedly connected to the output end of the motor, a water spraying assembly is arranged on the inner wall of the left side of the positioning ring, and a dismounting mechanism is arranged on the outer wall of the sealing ring. According to the rotary separator, when the inner wall of the rotary separator is cleaned, the sealing ring is mounted on the rotary separator at the moment, then the motor is started to promote the bevel gear I to drive the bevel gear II to rotate, so that the scraping plate and the water outlet pipe rotate, spraying cleaning is carried out, and manual cleaning is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to white carbon black production technical field especially relates to a treatment device of tail gas of fumed white carbon black production. BACKGROUND

[0002] White carbon black production refers to the process that through specific technology and method, the raw material containing silicon is changed physically and chemically in a series, and finally the white powder or granular product with amorphous silicon dioxide as the main component is prepared, which generally uses gas phase method or precipitation method for production.

[0003] The gas phase method generally uses silicon tetrachloride, oxygen (or air) and hydrogen as raw materials, under high temperature conditions, silicon tetrachloride reacts with hydrogen and oxygen, silicon tetrachloride is reduced to silicon by hydrogen, and silicon reacts with oxygen to generate silicon dioxide, the generated silicon dioxide exists in the form of gas phase, and then through the process steps of aggregation, cooling and collection, the fumed white carbon black product is finally obtained, and the method will produce tail gas.

[0004] When the tail gas is treated, the rotating separator is used, the gas outlet pipe is connected with the rotating separator, and then the work is carried out, however, the tail gas contains dust and other solid particles and a small amount of white carbon black particles, the particles will gradually accumulate on the inner wall of the rotating separator, change the shape and size of the flow channel inside the separator, make the airflow distribution uneven, affect the effect of centrifugal force, cause the separation efficiency of the rotating separator to solid particles and gas in the tail gas to decrease, and affect the subsequent tail gas treatment effect, at this time, manual wiping treatment is needed, the small rotating separator is small in size, narrow in internal space, and the operation space of the operator is very limited, the hands and tools of the operator are difficult to move freely, and manual cleaning is troublesome, therefore, the treatment device of tail gas of fumed white carbon black production is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a treatment device of tail gas of fumed white carbon black production, which aims at improving the problem that manual cleaning of small rotating separator is troublesome in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a treatment device of tail gas of fumed white carbon black production, including rotating separator, the top end of rotating separator is detachably installed with cleaning mechanism,

[0007] The cleaning mechanism comprises a sealing ring, a positioning ring fixedly connected to the top end of the sealing ring, a rotating ring rotatably connected to the inner wall of the positioning ring, a bevel gear two fixedly connected to the inner wall of the rotating ring, a motor fixedly connected to the right side of the positioning ring, a bevel gear one fixedly connected to the output end of the motor, a scraper fixedly connected to the bottom end of the rotating ring, a water spraying assembly arranged on the left side inner wall of the positioning ring, and a dismounting mechanism arranged on the outer wall of the sealing ring.

[0008] As a further description of the above technical solution:

[0009] The water spraying assembly comprises a connecting pipe fixedly connected to the left side inner wall of the positioning ring, and a water outlet pipe rotatably connected to the bottom end of the connecting pipe.

[0010] As a further description of the above technical solution:

[0011] The positioning ring is fixedly connected with a protective block at the upper portion, and the inner wall of the protective block is hollow.

[0012] As a further description of the above technical solution:

[0013] The output end of the motor is rotatably connected to the inner wall of the positioning ring, and the bottom end of the bevel gear one is engaged with the top end of the bevel gear two.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the scraper is in contact with the inner wall of the rotating separator, and the bottom end of the sealing ring is in contact with the top end of the rotating separator.

[0016] As a further description of the above technical solution:

[0017] The dismounting mechanism comprises a fixed block fixedly connected to the outer arc surface of the sealing ring, an insertion plate elastically connected to the inner wall of the fixed block through a connecting spring, a connecting block fixedly connected to the outer wall of the rotating separator, and the bottom end of the insertion plate is inserted into the inner wall of the connecting block.

[0018] As a further description of the above technical solution:

[0019] One end of the connecting spring is fixedly connected to the outer wall of the insertion plate, the other end of the connecting spring is fixedly connected to the inner wall of the fixed block, and the outer wall of the insertion plate penetrates and slidably connects to the inner wall of the fixed block.

[0020] As a further description of the above technical solution:

[0021] The insertion plate is provided with two groups, and the two groups of insertion plates are arranged in a staggered manner.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, through the cooperation between the rotating separator and the cleaning mechanism, when it is necessary to clean the inner wall of the rotating separator, the sealing ring is installed on the rotating separator, and then the motor is started to drive the first bevel gear to rotate, thereby causing the scraper and the water outlet pipe to rotate, so as to spray and clean without manual cleaning.

[0024] 2. In this utility model, through the cooperation between the disassembly mechanism and other structures, when the cleaning mechanism needs to be installed, the two sets of plug-in plates are moved inward, and then the sealing ring can be installed on the top of the rotary separator. Then the plug-in plates are loosened, and the plug-in plates are plugged into the connecting blocks to complete the fixation. The operation is simple and convenient. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a device for treating tail gas from the production of fumed silica proposed in this utility model.

[0026] Figure 2 This is a three-dimensional schematic diagram of the connecting block of a treatment device for tail gas from fumed silica production proposed in this utility model.

[0027] Figure 3 This is a three-dimensional schematic diagram of the motor section of a treatment device for tail gas from fumed silica production, as proposed in this utility model.

[0028] Figure 4 A cross-sectional internal schematic diagram of the rotary separator of a gas phase silica production tail gas treatment device proposed in this utility model.

[0029] Figure 5 A schematic diagram showing the disassembled sealing ring and positioning ring of a device for treating tail gas from fumed silica production, as proposed in this utility model.

[0030] Figure 6 This is a schematic diagram of the internal cross-section of the positioning ring of a device for treating tail gas from fumed silica production, as proposed in this utility model.

[0031] Legend:

[0032] 1. Rotary separator; 2. Cleaning mechanism; 201. Sealing ring; 202. Positioning ring; 203. Protective block; 204. Motor; 205. Connecting pipe; 206. Scraper; 207. Rotating ring; 208. Water outlet pipe; 209. Bevel gear one; 210. Bevel gear two; 3. Disassembly mechanism; 301. Fixing block; 302. Connecting spring; 303. Insertion plate; 304. Connecting block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] With reference to Figure 1 - Figure 3 An embodiment provided by the utility model: a kind of fumed silica production tail gas processing device, including rotary separator 1, the top of rotary separator 1 can be detachably installed with cleaning mechanism 2, by the setting of cleaning mechanism 2 to be able to clean the inner wall of rotary separator 1.

[0035] With reference to Figure 4 - Figure 6 , cleaning mechanism 2 includes sealing ring 201, the top of sealing ring 201 can be connected with air pipe, sealing ring 201 top is fixedly connected with positioning ring 202, both fixed to form inverted T shape, so as to play sealing effect, the inner wall of positioning ring 202 is rotatably connected with rotary ring 207, the inner wall of rotary ring 207 is fixedly connected with bevel gear two 210, by the rotation of bevel gear two 210 to drive rotary ring 207 to rotate, the right side of positioning ring 202 is fixedly connected with motor 204, the output end of motor 204 is fixedly connected with bevel gear one 209, by the rotation of the output end of motor 204 to drive bevel gear one 209 to rotate, the bottom of rotary ring 207 is fixedly connected with scraper 206, scraper 206 is provided with two groups, by the rotation of rotary ring 207 to drive scraper 206 to rotate, so as to clean, the left side inner wall of positioning ring 202 is provided with water spraying assembly, by the setting of the setting of water spraying assembly to make cleaning effect better, the outer wall of sealing ring 201 is provided with dismounting mechanism 3, the setting of dismounting mechanism 3 facilitates the installation of cleaning mechanism 2.

[0036] With reference to Figure 4 - Figure 6 , water spraying assembly includes connecting pipe 205, the left side of connecting pipe 205 is fixedly connected on the left side inner wall of positioning ring 202, the left side of connecting pipe 205 can be connected with water pipe, the bottom of connecting pipe 205 is rotatably connected with water outlet pipe 208, rotatably set to increase the water spraying range of water outlet pipe 208, the outer wall of scraper 206 is in contact with the outer wall of water outlet pipe 208, both contact to drive water outlet pipe 208 to rotate by the rotation of scraper 206, and water outlet pipe 208 is concave as a whole.

[0037] With reference to Figure 4 -Figure 6 The upper part of the positioning ring 202 is fixedly connected with a protection block 203, the inner wall of the protection block 203 is hollow, the protection block 203 can protect the bevel gear 1 209, the output end of the motor 204 is rotationally connected to the inner wall of the positioning ring 202, the bottom end of the bevel gear 1 209 is engaged with the top end of the bevel gear 2 210, the rotation of the output end drives the bevel gear 1 209 to rotate, thereby driving the bevel gear 2 210 to rotate, the outer wall of the scraper 206 contacts the inner wall of the rotary separator 1, the contact can clean the inner wall of the rotary separator 1, and the bottom end of the sealing ring 201 contacts the top end of the rotary separator 1, the contact can support the sealing ring 201.

[0038] Referring to Figure 1 - Figure 3 The dismounting mechanism 3 comprises a fixed block 301, the outer wall of the fixed block 301 is fixedly connected to the outer arc surface of the sealing ring 201, the sealing ring 201 is dismounted by dismounting the fixed block 301, the inner wall of the fixed block 301 is elastically connected with an insertion plate 303 through a connecting spring 302, the insertion plate 303 is provided in an L shape, the outer wall of the rotary separator 1 is fixedly connected with a connecting block 304, the two are fixed to support the connecting block 304, the bottom end of the insertion plate 303 protrudes and is inserted into the inner wall of the connecting block 304, the insertion is provided to achieve the purpose of quick installation, one end of the connecting spring 302 is fixedly connected to the outer wall of the insertion plate 303, the other end of the connecting spring 302 is fixedly connected to the inner wall of the fixed block 301, the outer wall of the insertion plate 303 penetrates and is slidingly connected to the inner wall of the fixed block 301, the insertion plate 303 has the functions of resetting and limiting through the elasticity of the connecting spring 302, the insertion plate 303 is provided in two groups, the two groups of insertion plates 303 are provided in a staggered manner, and the staggered arrangement saves the horizontal distance of the connecting block 304.

[0039] Working principle: when the cleaning mechanism 2 needs to be installed, the sealing ring 201 is placed against the top end of the rotary separator 1, the bottom end of the sealing ring 201 contacts the top end of the rotary separator 1 to provide preliminary support. The insertion plate 303 is pinched towards the middle, the L-shaped insertion plate 303 slides into the fixed block 301 under the extrusion and overcomes the elastic force of the connecting spring 302. When the insertion plate 303 is aligned with the insertion position on the connecting block 304, the insertion plate 303 rapidly pops out under the elastic action of the connecting spring 302, the bottom end of the insertion plate 303 is inserted into the inner wall of the connecting block 304, and the quick installation of the cleaning mechanism 2 is completed. When dismounting, the insertion plate 303 is pressed into the fixed block 301, so that it retracts against the elastic force of the connecting spring 302. When the bottom end of the insertion plate 303 is completely separated from the inner wall of the connecting block 304, the sealing ring 201 and the entire cleaning mechanism 2 can be removed from the rotary separator 1, achieving convenient dismounting.

[0040] When cleaning, the motor 204 is started, the output end of the motor 204 rotates, and drives the bevel gear I 209 fixedly connected thereto to rotate. Since the bottom end of the bevel gear I 209 is engaged with the top end of the bevel gear II 210, the rotation of the bevel gear I 209 drives the bevel gear II 210 to rotate. Since the bevel gear II 210 is fixed on the inner wall of the rotating ring 207, the rotation of the bevel gear II 210 drives the rotating ring 207 to rotate on the inner wall of the positioning ring 202, and the scraper 206 fixedly connected to the bottom end of the rotating ring 207 rotates with the rotating ring 207, the outer wall of the scraper 206 is in contact with the inner wall of the rotating separator 1, and the inner wall of the rotating separator 1 is scraped in the rotating process, and the impurities attached to the inner wall are scraped off, so that the basic cleaning operation is realized. The left side of the connecting pipe 205 is connected with a water pipe, and water flows in through the connecting pipe 205. Since the water outlet pipe 208 is rotatably connected to the bottom end of the connecting pipe 205, and the outer wall of the scraper 206 is in contact with the outer wall of the water outlet pipe 208, when the scraper 206 rotates, the water outlet pipe 208 will rotate around the bottom end of the connecting pipe 205. The water outlet pipe 208 is concave as a whole, and the water sprayed from the water outlet pipe 208 can increase the spraying range in the rotating process, and the inner wall of the rotating separator 1 is washed, which further improves the cleaning effect in cooperation with the scraping of the scraper 206.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A device for treating fumes from the production of fumed silica by the vapour phase process, comprising a rotating separator (1), characterised in that: The top end of the rotary separator (1) is detachably provided with a cleaning mechanism (2), The cleaning mechanism (2) comprises a sealing ring (201), the top end of the sealing ring (201) is fixedly connected with a positioning ring (202), the inner wall of the positioning ring (202) is rotatably connected with a rotating ring (207), the inner wall of the rotating ring (207) is fixedly connected with a bevel gear two (210), the right side of the positioning ring (202) is fixedly connected with a motor (204), the output end of the motor (204) is fixedly connected with a bevel gear one (209), the bottom end of the rotating ring (207) is fixedly connected with a scraper (206), the left side inner wall of the positioning ring (202) is provided with a water spraying assembly, and the outer wall of the sealing ring (201) is provided with a dismounting mechanism (3).

2. The device for treating the tail gas of fumed white carbon black production according to claim 1, characterized in that: The water spraying assembly comprises a connecting pipe (205), the left side of the connecting pipe (205) is fixedly connected to the left side inner wall of the positioning ring (202), and the bottom end of the connecting pipe (205) is rotatably connected with a water outlet pipe (208); the outer wall of the scraper (206) is in contact with the outer wall of the water outlet pipe (208).

3. The device for treating the tail gas of fumed white carbon black production according to claim 1, characterized in that: The upper portion of the positioning ring (202) is fixedly connected with a protection block (203), and the inner wall of the protection block (203) is hollow.

4. The device for treating the tail gas of fumed white carbon black production according to claim 1, characterized in that: The output end of the motor (204) is rotatably connected to the inner wall of the positioning ring (202), and the bottom end of the bevel gear one (209) is engaged on the top end of the bevel gear two (210).

5. The device for treating the tail gas of fumed white carbon black production according to claim 1, characterized in that: The outer wall of the scraper (206) is in contact with the inner wall of the rotary separator (1), and the bottom end of the sealing ring (201) is in contact with the top end of the rotary separator (1).

6. The device for treating the tail gas of fumed white carbon black production according to claim 1, characterized in that: The dismounting mechanism (3) comprises a fixed block (301), the outer wall of the fixed block (301) is fixedly connected to the outer arc surface of the sealing ring (201), the inner wall of the fixed block (301) is elastically connected with a plug-in plate (303) through a connecting spring (302), the outer wall of the rotary separator (1) is fixedly connected with a connecting block (304), and the bottom end of the plug-in plate (303) is inserted into the inner wall of the connecting block (304).

7. The device for treating the tail gas of fumed silica production according to claim 6, characterized in that: One end of the connecting spring (302) is fixedly connected to the outer wall of the plug-in plate (303), the other end of the connecting spring (302) is fixedly connected to the inner wall of the fixed block (301), and the outer wall of the plug-in plate (303) penetrates and slidably connects the inner wall of the fixed block (301).

8. The device for treating the tail gas of fumed silica production according to claim 6, characterized in that: The plug-in plate (303) is provided with two groups, and the two groups of plug-in plates (303) are staggered.

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