CN104436810B - Catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device - Google Patents
Catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device Download PDFInfo
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- CN104436810B CN104436810B CN201410832073.7A CN201410832073A CN104436810B CN 104436810 B CN104436810 B CN 104436810B CN 201410832073 A CN201410832073 A CN 201410832073A CN 104436810 B CN104436810 B CN 104436810B
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- gyroaxis
- valve
- filter cloth
- superfine powder
- knockout drum
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- 239000000843 powder Substances 0.000 title claims abstract description 29
- 238000004523 catalytic cracking Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000004744 fabric Substances 0.000 claims abstract description 35
- 238000011010 flushing procedure Methods 0.000 claims description 33
- 238000010992 reflux Methods 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 13
- 230000018044 dehydration Effects 0.000 abstract description 7
- 238000006297 dehydration reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000003054 catalyst Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 230000003009 desulfurizing effect Effects 0.000 abstract description 3
- 230000008520 organization Effects 0.000 abstract description 2
- 238000000967 suction filtration Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of use in field of Environment Protection desulphurization system isolated by filtration dewater unit is carried out to superfine powder, particularly relate to the catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device that the superfine powder produced catalyst in catalytic cracking wet desulphurization carries out isolated by filtration dehydration.Described equipment comprises housing, gyroaxis, ultra-fine filter cloth, distributes spindle nose, agitating device, knockout drum, vavuum pump etc.In the middle of current catalytic cracking unit wet desulfurizing process at home, superfine powder cannot reasonably be separated, and the present invention can solve this industry difficult problem.Vavuum pump is utilized to produce negative pressure, carry out suction filtration to liquid, the dust in liquid is trapped in surface by filter cloth, is filtered by the partitioned organization of uniqueness, is separated, dewaters the mud cake after filtration, lower moisture content can be had, directly can transport.
Description
Technical field
The present invention relates to a kind of use in field of Environment Protection desulphurization system isolated by filtration dewater unit is carried out to superfine powder, particularly relate to the catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device that the superfine powder produced catalyst in catalytic cracking wet desulphurization carries out isolated by filtration dehydration.
Background technology
Along with the development of petroleum refining industry, catalytic cracking unit becomes the important means of oil deep processing, occupy very important status in petroleum refining industry, fuel oil (comprising gasoline, diesel oil, aviation kerosine etc.) daily contacted in life all needs to extract through catalytic cracking reaction to form.Need in catalytic cracking reaction process to add catalyst to ensure the effect of reacting, catalyst is finally along with the generation of flue gas enters in the middle of the system of smoke-gas wet desulfurization.And these particle diameter is mostly between 2 ~ 15 microns, because being referred to as superfine powder in the industry.Along with country strengthens day by day to the management of PM2.5, these superfine powders just must be desulfurized system acquires and get off, because these superfine powder particle diameters are less, there is certain viscosity, corrosivity and toxicity, and easily fouling, so conventional equipment cannot realize the reasonable separation to these superfine powders, cause these superfine powders along with process pipe enters into each equipment intrasystem, the a large amount of deposition of device interior is got off, and usually causes paralysis and the great dynamics maintenance of desulphurization system after long-play.Because the particle diameter of superfine powder is tiny especially, the feature such as comparatively large, the complicated component of use amount, in the middle of catalytic cracking unit wet desulfurizing process at home, this superfine powder to be reasonably separated at present, one of difficult problem becoming industry.
Summary of the invention
For the problems referred to above, the invention provides and a kind ofly can carry out isolated by filtration to the superfine powder in liquid, and dewater simultaneously, the catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device that the mud cake after enabling it filter directly transports.
Solving the problems of the technologies described above taked concrete technical measures is:
A kind of catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device, it is characterized in that: inlet 1 is connected with liquid feed valve 5, liquid feed valve 5 is connected with upper shell 3, upper shell 3 covers on gyroaxis 4, gyroaxis 4 is arranged on lower house 15, in the middle of gyroaxis 4 with the space of lower house 15, agitating device 7 is installed, agitating device 7 is connected with mixer drive 8, lower house 15 is provided with air inlet 10 and flushing water import 11, flushing water import 11 is connected with flushing valve in filter cloth 13 and the outer flushing valve 14 of filter cloth, air inlet 10 is connected with blanking air-blowing valve 12, body liquid level gauge 17 is arranged on the side of lower house 15, scraper plate 6 is arranged on the side of gyroaxis 4, bucket 9 is placed on below scraper plate 6, ultra-fine filter cloth 2 is arranged on the outer surface of gyroaxis 4, distributing spindle nose 16 is close in the axial end of gyroaxis 4 side, the side distributing spindle nose 16 connects blanking air-blowing valve 12, flushing valve 13 and tube connector 18 in filter cloth, distribute spindle nose 16 to be connected with knockout drum 19 by tube connector 18, knockout drum liquid level gauge 21 is arranged on the side of knockout drum 19, the top of knockout drum 19 is connected with vavuum pump 22, the bottom of knockout drum 19 is connected with clean liquid reflux pump 24 and atmospheric valve 20, vavuum pump 22 is connected with exhaust outlet 23, clean liquid reflux pump 24 is connected with clean liquid refluxing opening 25, liquid feed valve 5, blanking air-blowing valve 12, flushing valve 13 in filter cloth, the outer flushing valve 14 of filter cloth, body liquid level gauge 17, atmospheric valve 20 is connected with PLC 27 respectively by cable 26 with the terminal box arranged in knockout drum liquid level gauge 21, gyroaxis 4, mixer drive 8, vavuum pump 22 are connected with PLC 27 respectively by cable 26 with the motor arranged in clean liquid reflux pump 24, the inside of gyroaxis 4 makes the inside of gyroaxis 4 form several not connected separate space 41 by the welding of steel plate, each separate space 41 forms several circular holes 42 by pipeline communication to the shaft end side of gyroaxis 4, the corresponding separate space 41 of each circular hole 42.
beneficial effect of the present invention: the present invention mainly solves superfine powder in catalytic cracking unit wet desulphurization and deposits in systems in which and cause systemic breakdown and large-area maintenance, indirectly ensures the normally orderly operation of catalytic cracking unit.Because the particle diameter of this superfine powder is tiny especially, the feature such as comparatively large, the complicated component of use amount, in the middle of catalytic cracking unit wet desulfurizing process at home, this superfine powder to be reasonably separated at present, and the present invention can solve this industry difficult problem.Vavuum pump is utilized to produce negative pressure, carry out suction filtration to liquid, the dust in liquid is trapped in surface by filter cloth, is filtered by the partitioned organization of uniqueness, is separated, dewaters the mud cake after filtration, lower moisture content can be had, directly can transport.Whole device in use, sets operational factor before activation, has device itself to control, reduce artificial manual operation during operation, automatically carry out filtering, dewaters, blanking flushing, solves the waste of human resources, reaches unmanned.Avoid human body and superfine powder directly to contact and poisoning, solve dust deposit, prevent equipment from paralysing and large area maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is process chart of the present invention;
Fig. 3 is the structural representation of gyroaxis in the present invention;
In figure: 1 is inlet, 2 is ultra-fine filter cloth, 3 is upper shell, 4 is gyroaxis, 41 is separate space, 42 is circular hole, 5 is liquid feed valve, 6 is scraper plate, 7 is agitating device, 8 is mixer drive, 9 is bucket, 10 is air inlet, 11 is flushing water import, 12 is blanking air-blowing valve, 13 is flushing valve in filter cloth, 14 is the outer flushing valve of filter cloth, 15 is lower house, 16 for distributing spindle nose, 17 is body liquid level gauge, 18 is tube connector, 19 is knockout drum, 20 is atmospheric valve, 21 is knockout drum liquid level gauge, 22 is vavuum pump, 23 is exhaust outlet, 24 is clean liquid reflux pump, 25 is clean liquid refluxing opening, 26 is cable, 27 is PLC automatic controller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device, is applicable to carry out isolated by filtration dehydration to the superfine powder that catalyst produces in catalytic cracking unit wet desulphurization.Its concrete structure as shown in figures 1 and 3, inlet 1 is connected with liquid feed valve 5, liquid feed valve 5 is connected with upper shell 3, upper shell 3 covers on gyroaxis 4, gyroaxis 4 is arranged on lower house 15, in the middle of gyroaxis 4 with the space of lower house 15, agitating device 7 is installed, agitating device 7 is connected with mixer drive 8, lower house 15 is provided with air inlet 10 and flushing water import 11, flushing water import 11 is connected with flushing valve in filter cloth 13 and the outer flushing valve 14 of filter cloth, air inlet 10 is connected with blanking air-blowing valve 12, body liquid level gauge 17 is arranged on the side of lower house 15, scraper plate 6 is arranged on the side of gyroaxis 4, bucket 9 is placed on below scraper plate 6, ultra-fine filter cloth 2 is arranged on the outer surface of gyroaxis 4, distributing spindle nose 16 is close in the axial end of gyroaxis 4 side, the side distributing spindle nose 16 connects blanking air-blowing valve 12, flushing valve 13 and tube connector 18 in filter cloth, distribute spindle nose 16 to be connected with knockout drum 19 by tube connector 18, knockout drum liquid level gauge 21 is arranged on the side of knockout drum 19, the top of knockout drum 19 is connected with vavuum pump 22, the bottom of knockout drum 19 is connected with clean liquid reflux pump 24 and atmospheric valve 20, vavuum pump 22 is connected with exhaust outlet 23, clean liquid reflux pump 24 is connected with clean liquid refluxing opening 25, liquid feed valve 5, blanking air-blowing valve 12, flushing valve 13 in filter cloth, the outer flushing valve 14 of filter cloth, body liquid level gauge 17, atmospheric valve 20 is connected with PLC 27 respectively by cable 26 with the terminal box arranged in knockout drum liquid level gauge 21, gyroaxis 4, mixer drive 8, vavuum pump 22 are connected with PLC 27 respectively by cable 26 with the motor arranged in clean liquid reflux pump 24, the inside of gyroaxis 4 makes the inside of gyroaxis 4 form several not connected separate space 41 by the welding of steel plate, each separate space 41 forms several circular holes 42 by pipeline communication to the shaft end side of gyroaxis 4, the corresponding separate space 41 of each circular hole 42.
The course of work of the present invention is as shown in Figure 2: first, then check each valve switch state, check errorless after get final product starting drive.During the work of this device, liquid being filtered enters in inlet 1 through piping, enter in lower house 15 by the control of liquid feed valve 5, body liquid level gauge 17 detects the height of liquid level in lower house 15, makes it keep balancing with the chain liquid level jointly controlled in lower house 15 of liquid feed valve 5.There is provided stirring power by mixer drive 8 for agitating device 7, agitating device 7 is swung in lower house 15, prevents from being filtered liquid deposition, make it be forced to flowing.Gyroaxis 4 is arranged on lower house 15, gyroaxis 4 outer cover has ultra-fine filter cloth 2, ultra-fine filter cloth 2 is made up of the ultra-fine material of polymer composite, the lower part of gyroaxis 4 is steeped inside liquid, the side of gyroaxis 4 is installed and is distributed spindle nose 16, be connected to knockout drum 19 by tube connector 18, be connected with knockout drum 19.Negative-pressure vacuum suction force is produced by vavuum pump 22, it is inner that negative-pressure sucking enters into gyroaxis 4 through knockout drum 19, tube connector 18 and distribution spindle nose 16, the liquid of gyroaxis 4 outside is sucked into rotating shaft 4 inside under the effect of negative pressure, and the superfine powder in liquid is trapped in surface by ultra-fine filter cloth 2, the gas taken away and liquid enter into knockout drum 19, liquid is retained down, and gas is taken away by vavuum pump 22, is discharged in the middle of air through exhaust outlet 23.Liquid in knockout drum 19 is when reaching certain volume, and clean liquid reflux pump 24 starts, and the liquid in knockout drum 19 is delivered to the storage location of specifying by clean liquid refluxing opening 25.The inside of gyroaxis 4 makes the inside of gyroaxis 4 form several separate space 41 by the welding of steel plate, not connected between each separate space 41, each separate space 41 forms several circular holes 42 by pipeline communication to the shaft end side of gyroaxis 4, the corresponding independently space 41 of each circular hole 42.Distributing spindle nose 16 is close in the axial end of gyroaxis 4 side, distribute spindle nose 16 side and connect blanking air-blowing valve 12, flushing valve 13 and tube connector 18 in filter cloth, when the work of this device runs, gyroaxis 4 rotates, distribute spindle nose 16 static, when the circular hole 42 of gyroaxis 4 side forwards the position of blanking air-blowing valve 12 to, blanking effect is played in the space 41 of this circular hole 42 correspondence, when forwarding the position of flushing valve 13 in filter cloth to, inner counter flushing action is played in the space 41 of this circular hole 42 correspondence, when forwarding the position of tube connector 18 to, filtering means dehydration effect is played in the space 41 of this circular hole 42 correspondence, so continuous rotation runs, the separate space 41 of gyroaxis 4 inside is made to realize different process functions continuously, gyroaxis 4 is made to form filtration in rotation process, dehydration, blanking, backwash four kinds of functions are in one.Superfine powder in liquid is flowed by the gas of negative pressure after being trapped in surface by ultra-fine filter cloth 2, and carry out gas flowing dehydration to mud cake, the moisture content of the cake after dehydration is lower can directly be transported.Mud cake is when rotating to scraper plate 6 and carrying out blanking, blanking air-blowing valve 12 is opened, compressed air is passed into the blanking region of gyroaxis 4, gas is blown from gyroaxis 4 interior, come off from ultra-fine filter cloth 2 surface under the effect that mud cake flows at gas, scraped by scraper plate 6 again, store after being entered into bucket 9 by the mud cake that scraper plate 6 scrapes, wait to be transported.
After this device busy certain hour, filtration treatment amount may weaken, backwash can be carried out as required to this device, backwash utilizes compressed air to connect flushing water import 11, open flushing valve 13 and the outer flushing valve 14 of filter cloth in filter cloth, can also can rinse the ultra-fine filter cloth 2 outside gyroaxis 4 respectively simultaneously, flushing water is entered into by pipeline and distributes spindle nose 16, distribute spindle nose 16 static, gyroaxis 4 rotates and only carries out backwash to a region, like this, outer flushing can be rinsed the ultra-fine filter cloth 2 in a region simultaneously, along with the rotation of gyroaxis 4, continuously inside and outside backwash is carried out continuously to regional, such backwash effect is more thorough, prevent the performance of filter medium weak.
Whole device in use, sets operational factor before activation, is controlled during operation by device itself, and this device adopts the conventional centralized control of PLC, and all modes of connection all operate by operation instructions.After device start, automatically controlled by PLC.The S7-200 series of products of what PLC selected is Siemens Company, this type product of Siemens Company is one of model the most frequently used in industrial market, and product technology is ripe, and stable work in work is product the most frequently used in market.The terminal box arranged in all controlled parts in equipment or motor are connected to PLC respectively by cable, execution instruction is sent after the comparison and calculating of CPU in PLC, the instruction that all controlled parts are all sent by PLC controls, make equipment reliable, reduce artificial manual operation, automatically carry out filtering, dewater, blanking rinses, solve the waste of human resources, reach unmanned.Avoid human body and superfine powder directly to contact and poisoning, solve dust deposit, prevent equipment from paralysing and large area maintenance.
Claims (1)
1. a catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device, it is characterized in that: inlet (1) is connected with liquid feed valve (5), liquid feed valve (5) is connected with upper shell (3), upper shell (3) covers on gyroaxis (4), gyroaxis (4) is arranged on lower house (15), in the middle of gyroaxis (4) with the space of lower house (15), agitating device (7) is installed, agitating device (7) is connected with mixer drive (8), lower house (15) is provided with air inlet (10) and flushing water import (11), flushing water import (11) is connected with flushing valve in filter cloth (13) and the outer flushing valve (14) of filter cloth, air inlet (10) is connected with blanking air-blowing valve (12), body liquid level gauge (17) is arranged on the side of lower house (15), scraper plate (6) is arranged on the side of gyroaxis (4), bucket (9) is placed on below scraper plate (6), ultra-fine filter cloth (2) is arranged on the outer surface of gyroaxis (4), distributing spindle nose (16) is close in the axial end of gyroaxis (4) side, the side distributing spindle nose (16) connects blanking air-blowing valve (12), flushing valve in filter cloth (13) and tube connector (18), distribute spindle nose (16) to be connected with knockout drum (19) by tube connector (18), knockout drum liquid level gauge (21) is arranged on the side of knockout drum (19), the top of knockout drum (19) is connected with vavuum pump (22), the bottom of knockout drum (19) is connected with clean liquid reflux pump (24) and atmospheric valve (20), vavuum pump (22) is connected with exhaust outlet (23), clean liquid reflux pump (24) is connected with clean liquid refluxing opening (25), liquid feed valve (5), blanking air-blowing valve (12), flushing valve in filter cloth (13), the outer flushing valve (14) of filter cloth, body liquid level gauge (17), atmospheric valve (20) is connected with PLC (27) respectively by cable (26) with the terminal box arranged in knockout drum liquid level gauge (21), gyroaxis (4), mixer drive (8), vavuum pump (22) are connected with PLC (27) respectively by cable (26) with the motor arranged in clean liquid reflux pump (24), the inside of gyroaxis (4) makes the inside of gyroaxis (4) form several not connected separate space (41) by the welding of steel plate, each separate space (41) forms several circular holes (42) by pipeline communication to the shaft end side of gyroaxis (4), the corresponding separate space (41) of each circular hole (42).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832073.7A CN104436810B (en) | 2014-12-29 | 2014-12-29 | Catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832073.7A CN104436810B (en) | 2014-12-29 | 2014-12-29 | Catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device |
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| CN104436810A CN104436810A (en) | 2015-03-25 |
| CN104436810B true CN104436810B (en) | 2016-03-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107281800A (en) * | 2017-06-29 | 2017-10-24 | 无锡市京锡冶金液压机电有限公司 | A kind of ceramic filter |
| CN110860197A (en) * | 2019-10-23 | 2020-03-06 | 航天环境工程有限公司 | Desulfurization, dedusting and purification system and method for flue gas generated after combustion of oil-containing fuel and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6063294A (en) * | 1996-10-15 | 2000-05-16 | Baker Hughes Incorporated | Uniform area shower for disc filter |
| CN102350117A (en) * | 2011-08-05 | 2012-02-15 | 云南大红山管道有限公司 | Device for preventing blocking of ceramic filter feed opening |
| CN202212050U (en) * | 2010-12-22 | 2012-05-09 | 吴伯明 | Improved filter |
| CN204428947U (en) * | 2014-12-29 | 2015-07-01 | 丹东东方机电工程有限公司 | Catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140124461A1 (en) * | 2012-11-07 | 2014-05-08 | Veolia Water Solutions & Technologies Support | Process for Inhibiting Biological Growth On a Gravity Fed Disc Filter |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6063294A (en) * | 1996-10-15 | 2000-05-16 | Baker Hughes Incorporated | Uniform area shower for disc filter |
| CN202212050U (en) * | 2010-12-22 | 2012-05-09 | 吴伯明 | Improved filter |
| CN102350117A (en) * | 2011-08-05 | 2012-02-15 | 云南大红山管道有限公司 | Device for preventing blocking of ceramic filter feed opening |
| CN204428947U (en) * | 2014-12-29 | 2015-07-01 | 丹东东方机电工程有限公司 | Catalytic cracking wet desulphurization superfine powder separate vacuum rotary dewatering device |
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Application publication date: 20150325 Assignee: Dandong China Environmental Protection Technology Co., Ltd. Assignor: DANDONG DONGFANG ELECTROMECHANICAL ENGINEERING CO.,LTD. Contract record no.: 2017990000130 Denomination of invention: Vacuum rotary dehydration device for separating ultrafine powder in catalytic cracking wet desulfurization Granted publication date: 20160302 License type: Common License Record date: 20170411 |
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