CN203886391U - System for treating tail gas generated in production of white carbon black by adopting gas phase method - Google Patents
System for treating tail gas generated in production of white carbon black by adopting gas phase method Download PDFInfo
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- CN203886391U CN203886391U CN201420032741.3U CN201420032741U CN203886391U CN 203886391 U CN203886391 U CN 203886391U CN 201420032741 U CN201420032741 U CN 201420032741U CN 203886391 U CN203886391 U CN 203886391U
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- tower
- outlet
- hydrochloric acid
- scrubbing tower
- falling
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 15
- 239000006229 carbon black Substances 0.000 title abstract description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 239000011552 falling film Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims abstract description 22
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 14
- 239000006227 byproduct Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000005201 scrubbing Methods 0.000 claims description 78
- 239000007921 spray Substances 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000010408 film Substances 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 18
- 235000021110 pickles Nutrition 0.000 claims description 18
- 239000003518 caustics Substances 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 12
- 239000012808 vapor phase Substances 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 239000008246 gaseous mixture Substances 0.000 claims description 4
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 235000012255 calcium oxide Nutrition 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 28
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- 239000001110 calcium chloride Substances 0.000 description 4
- 229910001628 calcium chloride Inorganic materials 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a system for treating tail gas generated in production of white carbon black by adopting a gas phase method. The system comprises a washing tower, a falling-film tower, a first hydrochloric acid washing tower, a second hydrochloric acid washing tower, an alkaline washing tower, an acidifying tower, a neutralizing tower and a fluidized bed dryer. A white carbon black powder byproduct mixed gas inlet is formed in the lower part of the washing tower; a washing and spraying device is arranged inside the washing tower; a washing liquid outlet is formed in the bottom of the washing tower; a washing liquid inlet is formed in the upper part of the washing tower; a washing tower gas outlet is formed in the top of the washing tower; the washing liquid outlet is connected and provided with a first circulating water pump which is connected to the washing liquid inlet. The system disclosed by the utility model is used for solving the problem of increment of system resistance caused because equipment is blocked by the white carbon black during a white carbon black tail gas treatment process. The temperature of tail gas entering the falling-film tower is greatly reduced (lower than 50 DEG C), and the influences of high temperature to the falling-film tower are avoided. The system disclosed by the utility model has the advantages of improving the absorption efficiency, reducing loss of materials and guaranteeing standardized emission of the tail gas.
Description
Technical field
The utility model relates to a kind of vapor phase method and produces white carbon exhaust treatment system.
Background technology
Aerosil is commonly called as fume colloidal silica, particle diameter small (7 ~ 40nm), the large (50-400m of specific area
2/ g), the high (SiO of product purity
2>=99.8%), be divided into hydrophilic and hydrophobic type product.As a kind of important nano grade inorganic chemical raw material, this product has superior surface chemistry performance and good physiology inertia, be widely used in the fields such as silicon rubber, adhesive, paint, coating, ink, paper, cosmetics, medicine, food, playing the effects such as reinforcement, thickening, thixotroping, delustring, is the requisite raw material of high-tech sector and national defense industry.Its average growth rate per annum is up to tens percent, and product is had a bright future, and belongs to Chaoyang industry.
The tail gas producing in the production process of gas-phase silica (main component is hydrogen chloride, chlorine and white carbon dust), traditional technique is that the method that adopts falling-film tower absorbing hydrogen chloride to make hydrochloric acid recycles.The method is the maturation process with hydrogen chloride production hydrochloric acid, but in reclaiming tail gas in production of gas-phase silica, but has following problem:
1, the white carbon in tail gas easily stops up the tubulation of falling-film tower, and white carbon that can not sedimentation in tubulation enters absorption tower, easily causes stuffing hole to stop up, and makes to produce and can not move continuously for a long time;
2, the exhaust temperature of gas-phase silica higher (generally more than 200 ℃), directly enters falling-film tower, not only affects the absorption of hydrogen chloride, and can affect the service life of falling-film tower.
Patent of invention (the application number: 200910096249.6 applyings date: the recovery method that 2009-03-02) discloses tail gas in production of gas-phase silica of applicant's application, the method comprises the treatment step of HCl recovery step and waste gas, wherein: HCl recovery step adopts Venturi tube, by white carbon black production tail gas, directly pass into Venturi tube, by reclaiming hydrochloric acid after water or salt acid elution white carbon black production tail gas.This invention also discloses the special equipment that adopts said method.Adopt scheme of the present utility model, solved white carbon occluding device in white carbon tail gas treatment process, the problem that SR is increased.Meanwhile, owing to having increased Venturi tube washing, the exhaust temperature that enters absorption tower is declined (<50 ℃) greatly, improved absorption efficiency, reduced material loss, guaranteed the qualified discharge of tail gas.But because Venturi tube maintenance cost is higher, be unfavorable for reducing production costs.In addition, although realized and having recycled for the hydrochloric acid of producing, the final processing of hydrochloric acid does not also effectively solve.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of vapor phase method and produces white carbon exhaust treatment system, this system has realized recycling of material, reduced production cost, can effectively process vapor phase method and produce white carbon tail gas, again the hydrochloric acid of production is utilized, for the production of calcium chloride product simultaneously.
In order to realize above-mentioned object, the utility model has adopted following technical scheme:
Vapor phase method is produced a white carbon exhaust treatment system, and this system comprises scrubbing tower, falling-film tower, the first hydrochloric acid scrubbing tower, the second hydrochloric acid scrubbing tower, caustic wash tower, acidifying tower, neutralizing tower and fluidized bed dryer.The bottom of described scrubbing tower is provided with the entrance of white carbon powder by-product gaseous mixture, showering washing device is set in scrubbing tower, the bottom of scrubbing tower is provided with cleaning solution outlet, the top of scrubbing tower is provided with cleaning solution import, the top of scrubbing tower arranges scrubbing tower gas outlet, and cleaning solution outlet is connected with the first water circulating pump and is connected to cleaning solution import.Described scrubbing tower gas outlet is connected to the top air inlet of falling-film tower by pipeline is set, the top of falling-film tower arranges the import of falling liquid film liquid, bottom is provided with the outlet of falling liquid film liquid, and falling-film tower outlet is set in the bottom of falling-film tower, the outlet of falling liquid film liquid is connected with the second water circulating pump and is connected to the import of falling liquid film liquid.Described falling-film tower outlet is connected to the air inlet of the first hydrochloric acid scrubbing tower bottom by pipeline is set, in the first hydrochloric acid scrubbing tower, be provided with filler, the top of filler arranges the first spray equipment, the bottom of the first hydrochloric acid scrubbing tower arranges the first pickle outlet, the top of the first hydrochloric acid scrubbing tower is provided with the first hydrochloric acid scrubbing tower gas outlet, and the first pickle outlet is connected with the 3rd water circulating pump and is connected to the first spray equipment.The first described hydrochloric acid scrubbing tower gas outlet is connected to the air inlet of the second hydrochloric acid scrubbing tower bottom by pipeline is set, in the second hydrochloric acid scrubbing tower, be provided with filler, the top of filler arranges the second spray equipment, the bottom of the second hydrochloric acid scrubbing tower arranges the second pickle outlet, the top of the second hydrochloric acid scrubbing tower is provided with the second hydrochloric acid scrubbing tower gas outlet, and the second pickle outlet is connected with the 4th water circulating pump and is connected to the second spray equipment.The second described hydrochloric acid scrubbing tower gas outlet is connected to the bottom air inlet of caustic wash tower by pipeline is set, be provided with alkali lye spray equipment in caustic wash tower, and caustic wash tower top is provided with caustic wash tower gas outlet and connects extraneous.The second described spray equipment is also connected with supplementary water inlet, the second pickle outlet is connected to the first spray equipment by being connected with the first return line after the 4th water circulating pump, the first described pickle outlet is connected to the import of falling liquid film liquid by being connected with the second return line after the 3rd water circulating pump, described falling liquid film liquid outlet is connected to cleaning solution import by being connected with the 3rd return line after the 3rd water circulating pump, described cleaning solution outlet is connected to acidifying tower by pipeline is set, acidifying tower is provided with lime stone and adds mouth, the liquid outlet of acidifying tower is connected to neutralizing tower, neutralizing tower is provided with quick lime and adds mouth, the liquid outlet of neutralizing tower is connected to fluidized bed dryer.The first described return line, the second return line and the 3rd return line are respectively arranged with valve.
As preferably, the inside of described scrubbing tower is provided with the showering washing device described in two covers from top to bottom.
As preferably, two-layer alkali lye spray equipment is from top to bottom set in described caustic wash tower, alkali lye adopts the sodium hydroxide solution of 10 ~ 30% mass percent concentrations.
The utility model, owing to having adopted above-mentioned technical scheme, has increased scrubbing tower, has solved white carbon occluding device in white carbon tail gas treatment process, the problem that SR is increased.The exhaust temperature that enters falling-film tower is declined (50 ℃ of <) greatly, avoided the impact on falling-film tower on high temperature, scrubbing tower is convenient to safeguard in addition, has reduced production cost.In addition, the utility model utilizes the hydrochloric acid of production again, for the production of calcium chloride product.The utility model has improved absorption efficiency, has reduced material loss, has guaranteed the qualified discharge of tail gas.
Accompanying drawing explanation
Fig. 1 equipment structure chart of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is made a detailed explanation.
A kind of vapor phase method is as shown in Figure 1 produced white carbon exhaust treatment system, and this system comprises scrubbing tower 1, falling-film tower 2, the first hydrochloric acid scrubbing tower 3, the second hydrochloric acid scrubbing tower 4, caustic wash tower 5, acidifying tower 6, neutralizing tower 7 and fluidized bed dryer 8.The bottom of described scrubbing tower 1 is provided with the entrance 11 of white carbon powder by-product gaseous mixture, the inside of scrubbing tower 1 is provided with the showering washing device 14 described in two covers from top to bottom, the bottom of scrubbing tower 1 is provided with cleaning solution outlet 13, the top of scrubbing tower 1 is provided with cleaning solution import 15, the top of scrubbing tower 1 arranges scrubbing tower gas outlet 12, and cleaning solution outlet 13 is connected with the first water circulating pump 16 and is connected to cleaning solution import 15.Described scrubbing tower gas outlet 12 is connected to the top air inlet of falling-film tower 2 by pipeline is set, the top of falling-film tower 2 arranges falling liquid film liquid import 25, bottom is provided with falling liquid film liquid outlet 23, and falling-film tower outlet 24 is set in the bottom of falling-film tower 2, falling liquid film liquid outlet 23 is connected with the second water circulating pump 26 and is connected to falling liquid film liquid import 25.Described falling-film tower outlet 24 is connected to the air inlet 31 of the first hydrochloric acid scrubbing tower 3 bottoms by pipeline is set, in the first hydrochloric acid scrubbing tower 3, be provided with filler 35, the top of filler 35 arranges the first spray equipment 32, the bottom of the first hydrochloric acid scrubbing tower 3 arranges the first pickle outlet 33, the top of the first hydrochloric acid scrubbing tower 3 is provided with the first hydrochloric acid scrubbing tower gas outlet 34, the first pickles outlets 34 and is connected with the 3rd water circulating pump 36 and is connected to the first spray equipment 32.The first described hydrochloric acid scrubbing tower gas outlet 34 is connected to the air inlet 41 of the second hydrochloric acid scrubbing tower 4 bottoms by pipeline is set, in the second hydrochloric acid scrubbing tower 4, be provided with filler 45, the top of filler 45 arranges the second spray equipment 42, the bottom of the second hydrochloric acid scrubbing tower 4 arranges the second pickle outlet 43, the top of the second hydrochloric acid scrubbing tower 4 is provided with the second hydrochloric acid scrubbing tower gas outlet 44, the second pickles outlets 43 and is connected with the 4th water circulating pump 46 and is connected to the second spray equipment 42.The second described hydrochloric acid scrubbing tower 4 gas outlets are connected to the bottom air inlet 51 of caustic wash tower 5 by pipeline is set, two-layer alkali lye spray equipment 52 is from top to bottom set in caustic wash tower 5, alkali lye adopts the sodium hydroxide solution of 10 ~ 30% mass percent concentrations, and caustic wash tower 5 tops are provided with caustic wash tower gas outlet 53 and connect extraneous.
As shown in Figure 1, the second described spray equipment 42 is also connected with and supplements water inlet 47, the second pickle outlet 43 is connected to the first spray equipment 32 by being connected with the first return line 47 after the 4th water circulating pump 46, the first described pickle outlet 33 is connected to falling liquid film liquid import 25 by being connected with the second return line 37 after the 3rd water circulating pump 36, described falling liquid film liquid outlet 23 is connected to cleaning solution import 15 by being connected with the 3rd return line 27 after the 3rd water circulating pump 26, described cleaning solution outlet 13 is connected to acidifying tower 6 by pipeline is set, acidifying tower 6 is provided with lime stone and adds mouth 61, the liquid outlet of acidifying tower 6 is connected to neutralizing tower 7, neutralizing tower 7 is provided with quick lime and adds mouth 71, the liquid outlet of neutralizing tower 7 is connected to fluidized bed dryer 8.Described the first return line 47, the second return line 37 and the 3rd return line 27 are respectively arranged with valve.
White carbon powder by-product gaseous mixture of the present utility model enters scrubbing tower 1 by entrance 11, by scrubbing tower 1 washing, remove most of white carbon, tail gas is made hydrochloric acid through falling-film tower 2 absorbing hydrogen chlorides again, falling-film tower 2 tail gas is out through the first hydrochloric acid scrubbing tower 3 and the second hydrochloric acid scrubbing tower 4, finally, by caustic wash tower 5, guaranteed the qualified discharge of tail gas.For Matter Transfer, only need in the spray equipment of the second hydrochloric acid scrubbing tower 4, add water, then pass through circulated sprinkling, part diluted acid in circulating is as the shower water of the first hydrochloric acid scrubbing tower 3 again, the first hydrochloric acid scrubbing tower 3 passes through circulated sprinkling, part concentrated acid in circulating is as the falling liquid film liquid of falling-film tower 2 again, falling-film tower 2 passes through circulated sprinkling, cleaning solution using the part falling liquid film liquid in circulation as scrubbing tower 1 is used, by how not recycle, saved material, last cleaning solution is removed white carbon by acidifying tower 6, by neutralizing tower 7, prepare calcium chloride again, calcium chloride is finally dried by fluidized bed dryer 8.
Claims (2)
1. vapor phase method is produced a white carbon exhaust treatment system, it is characterized in that: this system comprises scrubbing tower (1), falling-film tower (2), the first hydrochloric acid scrubbing tower (3), the second hydrochloric acid scrubbing tower (4), caustic wash tower (5), acidifying tower (6), neutralizing tower (7) and fluidized bed dryer (8), the bottom of described scrubbing tower (1) is provided with the entrance (11) of white carbon powder by-product gaseous mixture, showering washing device (14) is set in scrubbing tower (1), the bottom of scrubbing tower (1) is provided with cleaning solution outlet (13), the top of scrubbing tower (1) is provided with cleaning solution import (15), the top of scrubbing tower (1) arranges scrubbing tower gas outlet (12), and cleaning solution outlet (13) is connected with the first water circulating pump (16) and is connected to cleaning solution import (15), described scrubbing tower gas outlet (12) is connected to the top air inlet of falling-film tower (2) by pipeline is set, the top of falling-film tower (2) arranges falling liquid film liquid import (25), bottom is provided with falling liquid film liquid outlet (23), and falling-film tower outlet (24) is set in the bottom of falling-film tower (2), falling liquid film liquid outlet (23) is connected with the second water circulating pump (26) and is connected to falling liquid film liquid import (25), described falling-film tower outlet (24) is connected to the air inlet (31) of the first hydrochloric acid scrubbing tower (3) bottom by pipeline is set, in the first hydrochloric acid scrubbing tower (3), be provided with filler (35), the top of filler (35) arranges the first spray equipment (32), the bottom of the first hydrochloric acid scrubbing tower (3) arranges the first pickle outlet (33), the top of the first hydrochloric acid scrubbing tower (3) is provided with the first hydrochloric acid scrubbing tower gas outlet (34), and the first pickle outlet (34) is connected with the 3rd water circulating pump (36) and is connected to the first spray equipment (32), the first described hydrochloric acid scrubbing tower gas outlet (34) is connected to the air inlet (41) of the second hydrochloric acid scrubbing tower (4) bottom by pipeline is set, in the second hydrochloric acid scrubbing tower (4), be provided with filler (45), the top of filler (45) arranges the second spray equipment (42), the bottom of the second hydrochloric acid scrubbing tower (4) arranges the second pickle outlet (43), the top of the second hydrochloric acid scrubbing tower (4) is provided with the second hydrochloric acid scrubbing tower gas outlet (44), and the second pickle outlet (43) is connected with the 4th water circulating pump (46) and is connected to the second spray equipment (42), the second described hydrochloric acid scrubbing tower (4) gas outlet is connected to the bottom air inlet (51) of caustic wash tower (5) by pipeline is set, in caustic wash tower (5), be provided with alkali lye spray equipment (52), caustic wash tower (5) top is provided with caustic wash tower gas outlet (53) and connects extraneous, described the second spray equipment (42) is also connected with supplementary water inlet (47), the second pickle outlet (43) is connected with the first return line (47) after by the 4th water circulating pump (46) and is connected to the first spray equipment (32), described the first pickle outlet (33) is connected with the second return line (37) after by the 3rd water circulating pump (36) and is connected to falling liquid film liquid import (25), described falling liquid film liquid outlet (23) is connected with the 3rd return line (27) after by the 3rd water circulating pump (26) and is connected to cleaning solution import (15), described cleaning solution outlet (13) is connected to acidifying tower (6) by pipeline is set, acidifying tower (6) is provided with lime stone and adds mouthful (61), the liquid outlet of acidifying tower (6) is connected to neutralizing tower (7), neutralizing tower (7) is provided with quick lime and adds mouthful (71), the liquid outlet of neutralizing tower (7) is connected to fluidized bed dryer (8), described the first return line (47), the second return line (37) and the 3rd return line (27) are respectively arranged with valve.
2. a kind of vapor phase method according to claim 1 is produced white carbon exhaust treatment system, it is characterized in that: the inside of scrubbing tower (1) is provided with the showering washing device (14) described in two covers from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032741.3U CN203886391U (en) | 2014-01-20 | 2014-01-20 | System for treating tail gas generated in production of white carbon black by adopting gas phase method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032741.3U CN203886391U (en) | 2014-01-20 | 2014-01-20 | System for treating tail gas generated in production of white carbon black by adopting gas phase method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203886391U true CN203886391U (en) | 2014-10-22 |
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ID=51712842
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032741.3U Expired - Lifetime CN203886391U (en) | 2014-01-20 | 2014-01-20 | System for treating tail gas generated in production of white carbon black by adopting gas phase method |
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| Country | Link |
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| CN (1) | CN203886391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752136A (en) * | 2014-01-20 | 2014-04-30 | 浙江富士特集团有限公司 | System for treating tail gas produced by white carbon black production by gas phase method |
| CN115888287A (en) * | 2022-11-17 | 2023-04-04 | 中国成达工程有限公司 | Hydrogen chloride and magnesium chloride dust tail gas treatment method |
| CN116159410A (en) * | 2022-12-30 | 2023-05-26 | 浙江工程设计有限公司 | Gas-phase white carbon black tail gas treatment device and method |
-
2014
- 2014-01-20 CN CN201420032741.3U patent/CN203886391U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752136A (en) * | 2014-01-20 | 2014-04-30 | 浙江富士特集团有限公司 | System for treating tail gas produced by white carbon black production by gas phase method |
| CN115888287A (en) * | 2022-11-17 | 2023-04-04 | 中国成达工程有限公司 | Hydrogen chloride and magnesium chloride dust tail gas treatment method |
| CN116159410A (en) * | 2022-12-30 | 2023-05-26 | 浙江工程设计有限公司 | Gas-phase white carbon black tail gas treatment device and method |
| CN116159410B (en) * | 2022-12-30 | 2024-04-30 | 浙江工程设计有限公司 | Gas-phase white carbon black tail gas treatment device and method |
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Granted publication date: 20141022 |
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