CN105709513A - Dust filtering system for mixed gas in coal chemical process - Google Patents
Dust filtering system for mixed gas in coal chemical process Download PDFInfo
- Publication number
- CN105709513A CN105709513A CN201610074654.8A CN201610074654A CN105709513A CN 105709513 A CN105709513 A CN 105709513A CN 201610074654 A CN201610074654 A CN 201610074654A CN 105709513 A CN105709513 A CN 105709513A
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- Prior art keywords
- gas
- filter
- disengagement chamber
- admission line
- discharge duct
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/448—Auxiliary equipment or operation thereof controlling filtration by temperature measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/80—Chemical processes for the removal of the retained particles, e.g. by burning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust filtering system for mixed gas in the coal chemical process.The dust filtering system comprises closed separation cavities communicated with a gas feeding pipe and a gas discharging pipe.A large number of filtering mechanisms are arranged in the closed separation cavities, the outer surfaces of all the filtering mechanisms are communicated with the gas feeding pipe, and the inner surfaces of all the filtering mechanisms are communicated with the gas discharging pipe; carbon-contained easy-to-separate substances include tar coke substances and asphalt-similar substances; filter body regeneration mechanisms are arranged in the dust filtering system, the multiple closed separation cavities are arranged between the gas feeding pipe and the gas discharging pipe, communicated with the gas feeding pipe through branch gas feeding pipes and communicated with the gas discharging pipe through branch gas discharging pipes, valves are arranged in the branch gas feeding pipes, temperature monitoring parts are arranged in the branch gas feeding pipes and the branch gas discharging pipes, and the filter body regeneration mechanisms are physical contact brushing parts.According to the dust filtering system, as the filter body regeneration mechanisms works, filter bodies are recovered to be in the due level, the investment of the filter bodies is directly decreased through recycling, and the service life of the filter bodies is also greatly prolonged.
Description
Technical field
The invention belongs to the dedusting technical field in Coal Chemical Industry process, be specifically related in a kind of Coal Chemical Industry process the filtering dust system of gaseous mixture.
Background technology
High-temperature dusty gas is often produced in industries such as chemical industry, oil, metallurgy, particularly generate coal tar oil gas, decomposition gas to improve in the process of Coal Quality in low-order coal pyrolysis, coal material stirs to roll and rises, in the admixture of gas resulted in, coal dust content is very high, and mix and gas easily precipitates out containing carbons material such as tar is burnt, class bituminous material only can exist with gaseous state in the environment of high temperature, temperature is slightly too low or environment is once change, is easy for slowly precipitating out from gaseous mixture.Material such as tar Jiao, class bituminous material richness in filtering bodies pore and filter cake is easily precipitated out long-pending containing carbons, appropriate filter cake can allow the filter effect filtering gas better, but once the easy precipitate containing carbons gathered is too much, the pore of filtering bodies can be blocked on the one hand, filter cake can be made to thicken gradually on the one hand, and then forfeiture filtering function, make production to continue.Even when filter cavity continuous high temperature, the too high admixture of gas of dustiness is in filter process, because molecule liquefies, solidification and contact environment, relation between variations in temperature, with filtering bodies physical contact position frequently, still can engender containing carbons easy precipitate such as tar burnt, the phenomenon that class bituminous material precipitates out from gaseous mixture, it is enriched in filtering bodies pore, and make filter cake thicken gradually, lose filtering function, and the replacing of filtering bodies, stopping production problem will necessarily be brought, large chemical equipment for working continuously is said, stop production to overhaul will necessarily bring huge economic loss.For a long time, no matter it is domestic or external, high-temperature oil gas, steam, gaseous mixture containing the easy precipitate of carbons dust removal by filtration problem, particularly the mixed oil and gas dust removal problem of high Dust Capacity fails effectively to be solved all the time, industrialized production can not be formed, directly affecting the overall Coal Industrial general layout of our times, the low-order coal of staggering amount can not rapidly and efficiently be utilized.
Summary of the invention
The present invention solves Problems existing in above-mentioned technique, it is proposed that the filtering dust system of gaseous mixture in a kind of simple in construction, remarkably productive Coal Chemical Industry process.
The filtering dust system of gaseous mixture in a kind of Coal Chemical Industry process, airtight disengagement chamber including connection admission line and discharge duct, described gaseous mixture is high-temperature oil gas, steam, gaseous mixture containing the easy precipitate of carbons, in described airtight disengagement chamber, a large amount of filter mechanism is set, the outer surface of each described filter mechanism connects with admission line, inner surface connects with discharge duct, the described easy precipitate containing carbons is that tar is burnt, class bituminous material, in described filtering dust system, filter regeneration mechanism is set, airtight disengagement chamber between described admission line and described discharge duct is multiple, being connected with described admission line by air intake branch of the plurality of airtight disengagement chamber, connected with described discharge duct by exhaust branch pipe, in described air intake branch, valve is set, temperature monitoring parts are set in described air intake branch and aerofluxus, described filter regeneration mechanism is that physical contact cleans parts with water.
Described filter regeneration mechanism is that physical contact cleans parts with water and regeneration gas enters row and controls the combination of parts.
The present invention passes through to arrange filter regeneration mechanism in the airtight disengagement chamber including connecting admission line and discharge duct, can after filtering bodies works a period of time, filtering bodies filter capacity declines to a great extent because of the tar coal ash attachment in surface and pore when can not meet normal operation, by filter regeneration, mechanism works, due level is returned to up by important for filtering bodies, repeated regeneration directly decreases the input of filtering bodies, also substantially increases the service life of filtering bodies.Filter regeneration material enters row and controls in the process that parts slow transit through fertile absorber in airtight disengagement chamber, tar coal ash attachment under high temperature contacts with a small amount of oxygen, carbon dioxide or steam, there is chemical reaction, with unburnt form, the attachment that Main Ingredients and Appearance is carbon is digested for a long time, product is entered row's control component controls by fertile absorber and leaves in filtering bodies surface and pore, it is achieved the regeneration of its filter capacity.Airtight disengagement chamber between described admission line and described discharge duct is multiple, in one side gaseous mixture scale of construction in admission line is big, multiple airtight disengagement chamber parallel operations, improve the speed that solid and gas separates.After reproducer terminates in the airtight disengagement chamber that filter capacity reduces, then it is incorporated to dedusting work system.In described air intake branch, valve is set, it is possible to switch any one airtight disengagement chamber duty and reproduced state easily.Whole solid and gas piece-rate system is allowed to be in normal operation and the recurrent state of the regeneration that do not stop production all the time.Described air intake branch and described aerofluxus tracheal strips arrange temperature monitoring parts.When temperature raises, the excessive velocities of the fertile absorber passed into being described, response speed is fast, it should reduce content and the flow velocity of fertile absorber；When the temperature decreases, illustrate that the speed passing into fertile absorber is excessively slow, it should improve content and the flow velocity of fertile absorber.By temperature monitoring parts, it is achieved the control to regenerative process.Described filter regeneration mechanism is that physical contact cleans parts with water, is namely arranged on the filtering bodies surface cleaning agency in filter cavity and can more quickly brush off the thick filter cake excessively of filter surfaces, recovers filter capacity rapidly.Described filter regeneration mechanism is that physical contact cleans parts with water and regeneration gas enters row and controls the combination of parts, the combination of this combination can be cleaned parts such as cleaning brush removing top layer with water with physical contact and cross thick filter cake, and the tamper in filtering bodies surface and pore can be removed by chemical reaction, both combineds effect not only reduce the recovery time, and it is greatly improved its regeneration level, make filtering bodies surface and pore attachment remove more thorough.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation of the embodiment of the present invention two；
Fig. 3 is the structural representation of the embodiment of the present invention three；
Fig. 4 is the structural representation of the embodiment of the present invention four.
Detailed description of the invention:
Embodiment one
As shown in Figure 1: a kind of high-temperature oil gas, steam, filtering dust system containing the gaseous mixture of the easy precipitate of carbons, airtight disengagement chamber 3 including connection admission line 2 and discharge duct 1, substantial amounts of filter mechanism 4 is set in described airtight disengagement chamber 3, the outer surface of described filter mechanism 4 connects with admission line 2, inner surface connects with discharge duct 1, in described airtight disengagement chamber 3, filter regeneration mechanism 5 is set, described filter regeneration mechanism is that filter regeneration material enters row's control parts, parts are controlled as controlled oxygen-containing gas air intake-exhaust, or carbonated, the air intake-exhaust of the gaseous mixture of water vapor gas or a few person controls the gas after component combust, controlling available gas content is three to ten one percent.Include connection admission line 2 and discharge duct 1 airtight disengagement chamber 3 in filter regeneration mechanism 5 is set, can after filtering bodies works a period of time, filtering bodies 4 filter capacity declines to a great extent because of the tar coal ash attachment in surface and pore when can not meet normal operation, worked by regeneration sector, due level is returned to up by important for filtering bodies, repeated regeneration directly decreases the input of filtering bodies, also substantially increases the service life of filtering bodies.Regeneration sector filter regeneration material enters row's control parts 5 and is slowly introducing in the process of regeneration gas in airtight disengagement chamber, tar coal ash attachment under high temperature and a small amount of fertile absorber such as oxygen, carbon dioxide exposure, there is chemical reaction, with unburnt form, the attachment that Main Ingredients and Appearance is carbon is digested for a long time, become the gases such as carbon monoxide to leave in filtering bodies surface and pore, it is achieved the regeneration of its filter capacity.
Embodiment two
As shown in Figure 2: a kind of high-temperature oil gas, steam, filtering dust system containing the gaseous mixture of the easy precipitate of carbons, airtight disengagement chamber 3 including connection admission line 2 and discharge duct 1, substantial amounts of filter mechanism 4 is set in described airtight disengagement chamber 3, the outer surface of described filter mechanism 4 connects with admission line 2, inner surface connects with discharge duct 1, in described airtight disengagement chamber 3, filter regeneration mechanism 5 is set, described filter regeneration mechanism is that filter regeneration material enters row's control parts, parts are controlled as controlled oxygen-containing gas air intake-exhaust, or carbonated, the air intake-exhaust of the gaseous mixture of water vapor gas or a few person controls the gas after component combust, controlling available gas content is three to ten one percent.Airtight disengagement chamber 3 between described admission line 2 and described discharge duct 1 is multiple, being connected with described admission line 2 by air intake branch 6 of the plurality of airtight disengagement chamber 3, is connected with described discharge duct 1 by exhaust branch pipe 7.In described air intake branch, temperature control unit is set.Being connected with described admission line by air intake branch of the plurality of airtight disengagement chamber, is connected with described discharge duct by exhaust branch pipe.In one side mixed gas flow in admission line is big, multiple airtight disengagement chamber parallel operations, improve the speed that solid and gas separates, the multiple airtight disengagement chamber of what is more important is deposited in case jointly, when filtering bodies ventilation capacity in some airtight disengagement chamber declines, total system need not quit work, and airtight disengagement chamber when allowing filtering bodies ventilation capacity drop to a certain scope quits work entrance reproducer, after reproducer terminates, then it is incorporated to mask work system.
Embodiment three
As shown in Figure 3: a kind of high-temperature oil gas, steam, filtering dust system containing the gaseous mixture of the easy precipitate of carbons, airtight disengagement chamber 3 including connection admission line 2 and discharge duct 1, substantial amounts of filter mechanism 4 is set in described airtight disengagement chamber 3, the outer surface of described filter mechanism 4 connects with admission line 2, inner surface connects with discharge duct 1, in described airtight disengagement chamber 3, filter regeneration mechanism 5 is set, described filter regeneration mechanism is that filter regeneration material enters row's control parts, parts are controlled as controlled carbonated and water vapor gas air intake-exhaust, controlling available gas content is five to ten one percent.Airtight disengagement chamber 3 between described admission line 2 and described discharge duct 1 is multiple, being connected with described admission line 2 by air intake branch 6 of the plurality of airtight disengagement chamber 3, is connected with described discharge duct 1 by exhaust branch pipe 7.Valve 8 is set in described air intake branch.In described air intake branch 6, valve 8 is set, it is possible to realize any one airtight disengagement chamber 3 duty and reproduced state easily, allows whole solid and gas piece-rate system be in normal operation and the recurrent state of the regeneration that do not stop production all the time.
Embodiment four
As shown in Figure 3: a kind of high-temperature oil gas, steam, filtering dust system containing the gaseous mixture of the easy precipitate of carbons, airtight disengagement chamber 3 including connection admission line 2 and discharge duct 1, substantial amounts of filter mechanism 4 is set in described airtight disengagement chamber 3, the outer surface of described filter mechanism 4 connects with admission line 2, inner surface connects with discharge duct 1, in described airtight disengagement chamber 3, filter regeneration mechanism 5 is set, described filter regeneration mechanism is that filter regeneration material enters row's control parts, parts are controlled as controlled oxygen-containing gas air intake-exhaust, controlling oxygen content is three to five percent.Airtight disengagement chamber 3 between described admission line 2 and described discharge duct 1 is multiple, being connected with described admission line 2 by air intake branch 6 of the plurality of airtight disengagement chamber 3, is connected with described discharge duct 1 by exhaust branch pipe 7.In described air intake branch 6, valve 8 is set.
Embodiment five
As shown in Figure 3: a kind of high-temperature oil gas, steam, gaseous mixture containing the easy precipitate of carbons filtering dust system, airtight disengagement chamber 3 including connection admission line 2 and discharge duct 1, substantial amounts of filter mechanism 4 is set in described airtight disengagement chamber 3, the outer surface of described filter mechanism 4 connects with admission line 2, inner surface connects with discharge duct 1, in described airtight disengagement chamber 3, filter regeneration mechanism 5 is set, described filter regeneration mechanism is that physical contact cleans parts with water, the automatic ash removing brush that the high temperature resistant bristle as being preset in filtering bodies is made.
Embodiment six
As shown in Figure 3: a kind of high-temperature oil gas, steam, filtering dust system containing the gaseous mixture of the easy precipitate of carbons, airtight disengagement chamber 3 including connection admission line 2 and discharge duct 1, substantial amounts of filter mechanism 4 is set in described airtight disengagement chamber 3, the outer surface of described filter mechanism 4 connects with admission line 2, inner surface connects with discharge duct 1, in described airtight disengagement chamber 3, filter regeneration mechanism 5 is set, described filter regeneration mechanism is that physical contact cleans parts with water, automatic ash removing brush and regeneration gas that high temperature resistant bristle as being preset in filtering bodies is made enter row and control the combination of parts, physical contact is cleaned parts such as cleaning brush with water and is first worked after disconnecting dedusting gas, remove filtering bodies top layer and cross thick filter cake, removing action quits work after continuing for some time, then start regeneration gas and enter row's control parts, control oxygen-containing gas air intake-exhaust in embodiment one to four controls parts, or carbonated, the air intake-exhaust of the gaseous mixture of water vapor gas or a few person controls the gas after component combust, controlling available gas content is three to ten one percent, tamper in filtering bodies surface and pore can be removed by chemical reaction, both combineds effect not only reduce the recovery time, and it is greatly improved its regeneration level, filtering bodies surface and pore attachment is made to remove more thorough.
Claims (2)
1. the filtering dust system of gaseous mixture in a Coal Chemical Industry process, airtight disengagement chamber including connection admission line and discharge duct, it is characterized in that: described gaseous mixture is high-temperature oil gas, steam, gaseous mixture containing the easy precipitate of carbons, in described airtight disengagement chamber, a large amount of filter mechanism is set, the outer surface of each described filter mechanism connects with admission line, inner surface connects with discharge duct, the described easy precipitate containing carbons is that tar is burnt, class bituminous material, in described filtering dust system, filter regeneration mechanism is set, airtight disengagement chamber between described admission line and described discharge duct is multiple, being connected with described admission line by air intake branch of the plurality of airtight disengagement chamber, connected with described discharge duct by exhaust branch pipe, in described air intake branch, valve is set, temperature monitoring parts are set in described air intake branch and aerofluxus, described filter regeneration mechanism is that physical contact cleans parts with water.
2. the filtering dust system of gaseous mixture in Coal Chemical Industry process as claimed in claim 1, it is characterised in that: described filter regeneration mechanism is that physical contact cleans parts with water and regeneration gas enters row and controls the combination of parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074654.8A CN105709513A (en) | 2014-08-14 | 2014-08-14 | Dust filtering system for mixed gas in coal chemical process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074654.8A CN105709513A (en) | 2014-08-14 | 2014-08-14 | Dust filtering system for mixed gas in coal chemical process |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398944.9A Division CN104147862B (en) | 2014-08-14 | 2014-08-14 | The filtering dust system of the gaseous mixture of high-temperature oil gas, steam, the easy precipitate of carbon containing class |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105709513A true CN105709513A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610074654.8A Pending CN105709513A (en) | 2014-08-14 | 2014-08-14 | Dust filtering system for mixed gas in coal chemical process |
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| CN (1) | CN105709513A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138479A (en) * | 2020-09-30 | 2020-12-29 | 泰州市顺和机械制造有限公司 | Variable air duct dust remover convenient to maintain |
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| US4427418A (en) * | 1981-03-16 | 1984-01-24 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Device for collecting particulates in exhaust gases |
| US4502874A (en) * | 1982-10-08 | 1985-03-05 | Pneumafil Corporation | Continuous filtration |
| CN1267562A (en) * | 1999-03-18 | 2000-09-27 | 麦克德莫技术股份有限公司 | Method and apparatus for filter synthetic gas |
| EP1273772A1 (en) * | 2000-03-15 | 2003-01-08 | Ibiden Co., Ltd. | Method and device for reforming exhaust filter |
| CN103644014A (en) * | 2013-12-23 | 2014-03-19 | 苏州中宝复合材料有限公司 | Regenerative aluminum-containing silicon carbide fibrofelt microparticle catcher and manufacturing method thereof |
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2014
- 2014-08-14 CN CN201610074654.8A patent/CN105709513A/en active Pending
Patent Citations (5)
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| US4427418A (en) * | 1981-03-16 | 1984-01-24 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Device for collecting particulates in exhaust gases |
| US4502874A (en) * | 1982-10-08 | 1985-03-05 | Pneumafil Corporation | Continuous filtration |
| CN1267562A (en) * | 1999-03-18 | 2000-09-27 | 麦克德莫技术股份有限公司 | Method and apparatus for filter synthetic gas |
| EP1273772A1 (en) * | 2000-03-15 | 2003-01-08 | Ibiden Co., Ltd. | Method and device for reforming exhaust filter |
| CN103644014A (en) * | 2013-12-23 | 2014-03-19 | 苏州中宝复合材料有限公司 | Regenerative aluminum-containing silicon carbide fibrofelt microparticle catcher and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138479A (en) * | 2020-09-30 | 2020-12-29 | 泰州市顺和机械制造有限公司 | Variable air duct dust remover convenient to maintain |
| CN112138479B (en) * | 2020-09-30 | 2022-04-01 | 格鼎机电有限公司 | Variable air duct dust remover convenient to maintain |
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Application publication date: 20160629 |