CN102600684A - Embedded type automatic blowback filter at top of catalyst tank - Google Patents
Embedded type automatic blowback filter at top of catalyst tank Download PDFInfo
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- CN102600684A CN102600684A CN2012100685438A CN201210068543A CN102600684A CN 102600684 A CN102600684 A CN 102600684A CN 2012100685438 A CN2012100685438 A CN 2012100685438A CN 201210068543 A CN201210068543 A CN 201210068543A CN 102600684 A CN102600684 A CN 102600684A
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- filter
- catalyst
- inlet
- catalyst tank
- shell
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to an embedded type automatic blowback filter at the top of a catalyst tank, comprising a shell body, wherein filter cores are arranged in the shell, a nozzle is relatively arranged above the top of each filter core and is connected with a medium blowback inlet through a pipe, a filter inlet is arranged at the bottom of the shell, a filter outlet is arranged at the top of the shell, the filter outlet is communicated with the filter inlet through the filter cores, the interior of the shell is partitioned by clapboards into a plurality of air filtering room units, and the filter cores are respectively arranged in the air filter room units. The embedded type automatic blowback filter overcomes the defects in the prior art that as gas exhausted by the catalyst canned in negative pressure contains catalyst particles with higher concentration, waste of the catalyst is resulted and the environment is polluted; through the design, the embedded type automatic blowback filter at the top of the catalyst tank, disclosed by the invention, has the advantages of compact structure, small volume, capability of effectively controlling pollution caused by raise dust exhaust of the catalyst, high recovery rate of the catalyst, and capability of continuously and stably running for a long term.
Description
Technical field
The present invention relates to a kind of built-in catalyst tank deck automatic back blow filter.
Background technology
Therefore the catalytic unit of oil plant is in running in the domestic petroleum chemical industry, and catalyst constantly consumes, and needs regularly make-up catalyst in the catalyst tank.Catalyst adopts the negative pressure tinning, generally adopts vacuum jet that top tank air is taken away and sends into atmosphere and cause negative pressure in the tank body.Take this part gas of sending into atmosphere away and contain the higher catalyst granules of concentration; Caused the waste of catalyst, and the particle diameter of above-mentioned catalyst is less, does not reach discharging standards with traditional cyclone separation method; Environment is polluted, and it is healthy to influence the employee simultaneously.
Summary of the invention
The gas of its discharging contains the higher catalyst granules of concentration when adopting the negative pressure tinning in order to overcome catalyst in the prior art; Not only cause the waste of catalyst; And problem of environment pollution caused; The present invention provides a kind of built-in catalyst tank deck automatic back blow filter, the dust pollution that this built-in catalyst tank deck automatic back blow structure of filter is compact, volume is little, can effectively control catalyst, high to the recovery utilization rate of catalyst.
The technical solution adopted for the present invention to solve the technical problems is: comprise housing; Filter core is housed in housing; The filter core over top is oppositely arranged nozzle; Nozzle connects medium blowback inlet through pipeline, and the bottom of housing is provided with filter inlet, the top is provided with filter outlet, and filter outlet is communicated with filter inlet through filter core.
The housing inner route clapboard is isolated into a plurality of filtration air chambers unit each other, and filter core is installed in each and filters in the air chamber unit.
On housing, be provided with the pressure difference transmitter interface.
In the pipeline that connects nozzle and medium blowback inlet, control valve is set.
The present invention in the built-in installation of catalyst tank deck, does not take other place through above-mentioned concrete design; The I&M operation is convenient and simple, and in the reverse gas cleaning process, the filter cake of cartridge surface directly drops in catalyst tank; Whole reverse gas cleaning process need not artificial the participation, does not have artificial ash discharge, saves human resources; Avoided again second environmental pollution; Be fit to contain the gas solid separation that particle diameter is minimum, dust concentration is bigger, its isolated by filtration efficient can reach more than 99%, but has the advantage of compact conformation, good filtration effect,, good reliability long period continous-stable operation high to the recovery utilization rate of catalyst.
Description of drawings
Below in conjunction with accompanying drawing and embodiment detailed content of the present invention is described.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
As shown in the figure; The present invention includes housing 1; The a plurality of filtration air chambers unit 3 that is isolated each other by dividing plate 2 is set in housing 1; The 3 not connected designs of a plurality of filtration air chambers unit, purpose are for the dust of avoiding the blowback group to blow off falls to the filtration group that is filtering on the next door, make the dust filter cake that is blown off can successfully drop down onto a jar interior accumulation aspect.Filter in the air chamber unit 3 filter core 4 is housed, filter core can adopt metallic fiber sintered net filtration pipe, and this screen pipe filtering surface is formed through sintering by the multiple layer metal fiber, has very high filtering accuracy.Filter core 4 over top are oppositely arranged nozzle 5, and nozzle 5 adopts the supersonic speed driving nozzle.Nozzle 5 connects medium blowback inlet 7 through pipeline 6, and the bottom of housing 1 is provided with filter inlet 8, the top is provided with filter outlet 9, and filter outlet 9 is communicated with filter inlet 8 through filter core 4.Housing 1 is provided with pressure difference transmitter interface 10.In the pipeline 6 that connects nozzle 5 and medium blowback inlet 7, control valve 11 is set, control valve 11 can adopt two-way valve.In the catalyst tank 12 during make-up catalyst this filter put into operation; Exporting 9 places by vacuum jet at filter extracts; Cause gas flow, gases carry that granularity is minimum, concentration greater catalytic agent particle gets into from filter inlet 8 in the catalyst tank 12, from bottom to top through filtering the filter core 4 in the air chamber unit 3; Outer surface by filter core 4 is that catalyst intercepts with the solid particle in the medium, and clean gas is disposed in the atmosphere through filter outlet 9.Vacuum jet ceaselessly extracts, and makes the catalyst tank charging system keep negative pressure state always, and airborne dust leaks when avoiding operating with raw catelyst.Filter of the present invention and vacuum jet are synchronous, in the reinforced process of whole catalyst, keep the filtration state always.Along with the aggregation of holding back on the filter core 4 increases, the differential pressure between filter inlet 8 and the filter outlet 9 increases gradually, and when this differential pressure reached a certain setting value, filter got into the blowback duty.Blowback medium instrument wind flow direction of medium when filtering is done reverse flow, and the catalyst granules of piling up on filter element 4 outer surfaces is cleaned out, and falls back the catalyst tank bed of material.Blowback is undertaken by the chamber.Filter of the present invention can also be furnished with differential pressure transmitter and PLC; Differential pressure is delivered to differential pressure transmitter through pressure difference transmitter interface 10; When the fluid differential pressure of filter import and export reaches setting value; Differential pressure transmitter outputs signal to PLC, and PLC output signal can drive on-the-spot explosion-proof solenoid valve, and explosion-proof solenoid valve transfers gas signal starting executing agency to by the signal of telecommunication and switches wherein one group of control valve 11.Utilize assist gas instrument wind, adopt Supersonic injection automatic back blow mode to carry out blowback, after this group blowback was accomplished, control valve 11 resetted immediately, gets into the filtration state again.Behind the certain hour, the PLC follow procedure drives next unit filtration air chamber and carries out blowback at interval, and the rest may be inferred.After treating that the whole blowbacks of whole system finish, the differential pressure of system returns to normal operating conditions, and to signal arrival next time.Above-described embodiment describes the preferred implementation of the built-in catalyst tank deck of the present invention automatic back blow filter; Be not that the design and the scope of inventing limited; Under the prerequisite that does not break away from the present invention program; Various external form modification and improvement that those skilled in the art make technical scheme of the present invention all should fall into the protection domain of the built-in catalyst tank deck of the present invention automatic back blow filter.
Claims (5)
1. built-in catalyst tank deck automatic back blow filter; Comprise housing; It is characterized in that in housing (1), being equipped with filter core (4), filter core (4) over top is oppositely arranged nozzle (5), and nozzle (5) connects medium blowback inlet (7) through pipeline (6); The bottom of housing (1) is provided with filter inlet (8), the top is provided with filter outlet (9), and filter outlet (9) is communicated with filter inlet (8) through filter core (4).
2. built-in catalyst tank deck automatic back blow filter according to claim 1 is characterized in that housing (1) inner route clapboard (2) is isolated into a plurality of filtration air chambers unit (3) each other, and filter core (4) is installed in each and filters in the air chamber unit (3).
3. built-in catalyst tank deck automatic back blow filter according to claim 1 and 2 is characterized in that on housing (1), being provided with pressure difference transmitter interface (10).
4. built-in catalyst tank deck automatic back blow filter according to claim 1 and 2 is characterized in that in the pipeline (6) that connects nozzle (5) and medium blowback inlet (7), control valve (11) being set.
5. built-in catalyst tank deck automatic back blow filter according to claim 3 is characterized in that in the pipeline (6) that connects nozzle (5) and medium blowback inlet (7), control valve (11) being set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100685438A CN102600684A (en) | 2012-03-15 | 2012-03-15 | Embedded type automatic blowback filter at top of catalyst tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100685438A CN102600684A (en) | 2012-03-15 | 2012-03-15 | Embedded type automatic blowback filter at top of catalyst tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102600684A true CN102600684A (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100685438A Pending CN102600684A (en) | 2012-03-15 | 2012-03-15 | Embedded type automatic blowback filter at top of catalyst tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN102600684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973294A (en) * | 2021-02-23 | 2021-06-18 | 华能（天津）煤气化发电有限公司 | Device for preventing filter rod of pulverized coal gasification fly ash filtering system from being broken |
Citations (7)
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| EP0318934B1 (en) * | 1987-12-03 | 1992-07-29 | Norton Company | Bag for removal of solid material from gases and for treatment of said gases |
| WO1999010633A1 (en) * | 1997-08-29 | 1999-03-04 | Ceramem Corporation | Diesel exhaust aftertreatment system and process |
| DE502005002761D1 (en) * | 2004-04-07 | 2008-03-20 | Herbert Huettlin | PROCESS APPARATUS FOR TREATING PARTICULAR GUTS |
| CN201776042U (en) * | 2010-09-06 | 2011-03-30 | 刘尧 | Air dust removing device |
| CN201894892U (en) * | 2010-12-09 | 2011-07-13 | 柳州市奥凯工程机械有限公司 | Bag type dust remover |
| CN102258963A (en) * | 2010-05-27 | 2011-11-30 | 北京中天元环境工程有限责任公司 | Fluidized-bed reactor with built-in filtering device |
| CN202497783U (en) * | 2012-03-15 | 2012-10-24 | 温州菲德石化科技有限公司 | Automatic back flushing filter for built-in catalyst tank top |
-
2012
- 2012-03-15 CN CN2012100685438A patent/CN102600684A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0318934B1 (en) * | 1987-12-03 | 1992-07-29 | Norton Company | Bag for removal of solid material from gases and for treatment of said gases |
| WO1999010633A1 (en) * | 1997-08-29 | 1999-03-04 | Ceramem Corporation | Diesel exhaust aftertreatment system and process |
| DE502005002761D1 (en) * | 2004-04-07 | 2008-03-20 | Herbert Huettlin | PROCESS APPARATUS FOR TREATING PARTICULAR GUTS |
| CN102258963A (en) * | 2010-05-27 | 2011-11-30 | 北京中天元环境工程有限责任公司 | Fluidized-bed reactor with built-in filtering device |
| CN201776042U (en) * | 2010-09-06 | 2011-03-30 | 刘尧 | Air dust removing device |
| CN201894892U (en) * | 2010-12-09 | 2011-07-13 | 柳州市奥凯工程机械有限公司 | Bag type dust remover |
| CN202497783U (en) * | 2012-03-15 | 2012-10-24 | 温州菲德石化科技有限公司 | Automatic back flushing filter for built-in catalyst tank top |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973294A (en) * | 2021-02-23 | 2021-06-18 | 华能（天津）煤气化发电有限公司 | Device for preventing filter rod of pulverized coal gasification fly ash filtering system from being broken |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120725 |