CN217809812U - Carbon fiber is with pre-oxidation stove waste gas dust collector - Google Patents
Carbon fiber is with pre-oxidation stove waste gas dust collector Download PDFInfo
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- CN217809812U CN217809812U CN202220617034.5U CN202220617034U CN217809812U CN 217809812 U CN217809812 U CN 217809812U CN 202220617034 U CN202220617034 U CN 202220617034U CN 217809812 U CN217809812 U CN 217809812U
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- oxidation furnace
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Abstract
The utility model discloses a carbon fiber pre-oxidation furnace waste gas dust removal device, which comprises a draught fan, an air pipe system, a re-spraying device, a re-blocking device and a water circulation system; the inlet of the air pipe system is provided with an induced draft fan, the air pipe system is sequentially connected with a re-spraying device and a re-blocking device through air pipes, the re-spraying device is connected with a centrifugal pump through a water circulation system, the centrifugal pump is connected with a water storage tank, and the re-blocking device is connected with the water storage tank. The utility model discloses can effectively get rid of the dust granule in the pre-oxidation waste gas, the dust in the pre-oxidation waste gas gets rid of efficiency and can reach 99%, and then realizes improving the cycle of carbon fiber production facility operation.
Description
Technical Field
The utility model belongs to the technical field of carbon fiber production facility technique and specifically relates to a preoxidation furnace waste gas dust collector for carbon fiber.
Background
The carbon fiber is an inorganic polymer fiber with carbon content higher than 92%, is a high-temperature resistant fiber with high strength and modulus, and is a high-end variety of chemical fiber. The carbon fiber composite engineering material is superior to metal material, and has tensile strength 3-4 times higher than that of steel, fatigue resistance 2 times higher, weight 3-4 times lighter than that of steel and heat expansion 4-5 times smaller than that of steel. The carbon fiber has the characteristics of high hardness, high strength, light weight, high chemical resistance, high temperature resistance and low thermal expansion, and is widely applied to the fields of aerospace, high-speed rail traffic, sports goods, chemical machinery, electric power facilities, textile machinery and the like.
In the pre-oxidation process of the carbon fiber industrial production, one of the key devices which can influence the carbonization treatment effect and performance of the carbon fiber is a pre-oxidation furnace, and the post-treatment device of the pre-oxidation waste gas has obvious influence on the continuous production of the carbon fiber. The effective treatment of dust in the post-treatment of the waste gas of the pre-oxidation furnace is a core technology for improving the continuous production of the carbon fiber, so that the efficiency of the pre-oxidation furnace waste gas dust removal device for the carbon fiber directly influences the operation period of the carbon fiber industrial production equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to improve the defect of current device or technique, effectively optimize carbon fiber industrial production equipment operating cycle, provide a preoxidation furnace waste gas dust collector for carbon fiber.
The purpose of the utility model is realized through the following technical scheme:
a set of pre-oxidation furnace waste gas dust removal device is added before the pre-oxidation furnace waste gas enters the waste gas absorption tower.
A carbon fiber pre-oxidation furnace waste gas dust removal device comprises a draught fan a, an air pipe system b, a re-spraying device c, a re-blocking device d and a water circulation system h; an induced draft fan a is arranged at the inlet of the air pipe system b, the air pipe system b is sequentially connected with a re-spraying device c and a re-blocking device d through air pipes, the re-spraying device c is connected with a centrifugal pump p through a water circulation system h, the centrifugal pump p is connected with a water storage tank e, and the re-blocking device d is connected with the water storage tank e.
Furthermore, multiple groups of re-spraying devices are arranged.
Furthermore, multiple groups of gear resetting devices d are arranged.
Furthermore, the air volume of the induced draft fan a is 10000-20000 m 3 /h。
Furthermore, the diameter of the air pipe b is 0.8-1.2 m.
Furthermore, the compound spraying device c is provided with a plurality of atomizing spray heads q, and the spray heads of the compound spraying device c are in a cross shape or a star shape.
Furthermore, the number of the baffle plates for the secondary baffle d is 1-6 layers; the diameter of the secondary gear is 1-2.5 m.
Furthermore, the outlet pressure of the centrifugal pump p is 0.3-0.5 Mpa, and the filtering precision of the filtering layer g is 0.1-10 mu m.
Compared with the prior art, the utility model has the positive effects that:
the utility model discloses an effectively get rid of the dust granule in the pre-oxidation waste gas, the dust removal efficiency in the pre-oxidation waste gas can reach 99%, and then realizes improving carbon fiber production equipment operating cycle's necessary technological improvement.
Drawings
FIG. 1 is a schematic diagram of a dedusting structure of exhaust gas.
Fig. 2 is a schematic diagram of the reverse gear device.
Fig. 3 is a schematic view of the re-spraying device.
In the drawings, wherein the reference numerals: a. an induced draft fan; b. an air duct system; c. a re-spraying device; d. a gear resetting device; d 1-3, a baffle; e. a water storage tank; g. a filter layer; p. centrifugal pump; h. a water circulation system; f 1-3, pre-oxidizing the waste gas; and q, atomizing spray heads.
C1. A re-spraying cross structure; c2 multiple spray star structure.
Detailed Description
The following provides a specific embodiment of the exhaust gas dust removing apparatus for a pre-oxidation furnace for carbon fibers of the present invention. The description will be made with reference to fig. 1, 2, and 3.
The utility model discloses an effectively get rid of the dust granule in the pre-oxidation waste gas, the dust in the pre-oxidation waste gas gets rid of efficiency and can reach 99%, and then realizes improving carbon fiber production equipment operating cycle's necessary technological improvement.
Therefore, the dust removal efficiency in the pre-oxidation waste gas is improved, and the performance index of the carbon fiber industrial production and the necessary technical improvement of the equipment operation period are effectively optimized.
A carbon fiber pre-oxidation furnace waste gas dust removal device comprises a draught fan a, an air pipe system b, a re-spraying device c, a re-blocking device d and a water circulation system h; an induced draft fan a is arranged at the inlet of the air pipe system b, the air pipe system b is sequentially connected with a re-spraying device c and a re-blocking device d through air pipes, the re-spraying device c is connected with a centrifugal pump p through a water circulation system h, the centrifugal pump p is connected with a water storage tank e, and the re-blocking device d is connected with the water storage tank e.
Introducing waste gas f1 of the carbon fiber production pre-oxidation furnace into an air pipe system b by a draught fan a; the air quantity of the induced draft fan a is 10000-20000 m 3 H is used as the reference value. The diameter of the air pipe b is 0.8-1.2 m.
The waste gas passes through the air pipe and the secondary spraying device c to combine liquid drops with dust in the waste gas, and the dust in the waste gas is washed; the spray head of the re-spraying device c is in a cross c1, star c2 and other structures, the liquid flow rate is 12-35 m/s, and the gas flow rate is 8-30 m/s; the re-spraying device c is provided with a plurality of atomizing spray heads.
Waste gas enters the secondary blocking device d through the air pipe, dust particles form a parabolic motion track through tangential and radial motions, collide with the baffles d1, d2 and d3 in the secondary blocking device and fall into the water storage tank e along the baffle wall; the quantity of the baffles d1, d2 and d3 in the secondary gear is increased, and the dust removal efficiency in the waste gas can reach 99%; the number of the baffles is 1-6 layers; the diameter of the secondary gear is 1-2.5 m.
Water in the water storage tank e passes through the water circulation system h, is output by the centrifugal pump p, enters the re-spraying device c to be sprayed out to wash dust in the waste gas, and enters the re-blocking device d through the air pipe; the water flows back to the water storage tank e and enters the water circulation system h again through the filter layer g; the pressure of the p outlet of the centrifugal pump is 0.3-0.5 MPa, and the filtering precision of the filter layer g is 0.1-10 mu m.
And (4) the waste gas f3 passes through the re-blocking device and enters a post-treatment process of a waste gas absorption tower.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as within the protection scope of the present invention.
Claims (9)
1. A carbon fiber pre-oxidation furnace waste gas dust removal device is characterized by comprising a draught fan a, an air pipe system b, a re-spraying device c, a re-blocking device d and a water circulation system h; an induced draft fan a is arranged at the inlet of the air pipe system b, the air pipe system b is sequentially connected with a re-spraying device c and a re-blocking device d through air pipes, the re-spraying device c is connected with a centrifugal pump p through a water circulation system h, the centrifugal pump p is connected with a water storage tank e, and the re-blocking device d is connected with the water storage tank e.
2. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace as set forth in claim 1, wherein the re-spraying means c is provided in plural sets.
3. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace according to claim 1, wherein the plurality of sets of the re-baffle means d are provided.
4. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace as claimed in claim 1, wherein an air volume of the induced draft fan a is 10000 to 20000m 3 /h。
5. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace as set forth in claim 1, wherein the diameter of the air pipe b is 0.8 to 1.2m.
6. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace as set forth in claim 1, wherein the re-spraying means c is provided with a plurality of atomizing spray heads.
7. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace as set forth in claim 6, wherein the spraying nozzle of the re-spraying means c is in the form of a cross or a star.
8. The carbon fiber pre-oxidation furnace exhaust gas dust removing device according to claim 6, wherein the number of the baffle plates of the re-baffle device d is 1 to 6; the baffle diameter of the re-blocking device is 1-2.5 m.
9. The exhaust gas dust removing apparatus for a carbon fiber pre-oxidation furnace as set forth in claim 6, wherein the centrifugal pump has a p outlet pressure of 0.3 to 0.5Mpa, and the filtration layer has a g filtration accuracy of 0.1 to 10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220617034.5U CN217809812U (en) | 2022-03-21 | 2022-03-21 | Carbon fiber is with pre-oxidation stove waste gas dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220617034.5U CN217809812U (en) | 2022-03-21 | 2022-03-21 | Carbon fiber is with pre-oxidation stove waste gas dust collector |
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| CN217809812U true CN217809812U (en) | 2022-11-15 |
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| CN202220617034.5U Active CN217809812U (en) | 2022-03-21 | 2022-03-21 | Carbon fiber is with pre-oxidation stove waste gas dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531603A (en) * | 2024-01-09 | 2024-02-09 | 中复神鹰碳纤维股份有限公司 | Carbon fiber composite material processing dust collector |
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2022
- 2022-03-21 CN CN202220617034.5U patent/CN217809812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531603A (en) * | 2024-01-09 | 2024-02-09 | 中复神鹰碳纤维股份有限公司 | Carbon fiber composite material processing dust collector |
| CN117531603B (en) * | 2024-01-09 | 2024-04-12 | 中复神鹰碳纤维股份有限公司 | Carbon fiber composite material processing dust collector |
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