CN102091489B - Blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer - Google Patents
Blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer Download PDFInfo
- Publication number
- CN102091489B CN102091489B CN2010105740803A CN201010574080A CN102091489B CN 102091489 B CN102091489 B CN 102091489B CN 2010105740803 A CN2010105740803 A CN 2010105740803A CN 201010574080 A CN201010574080 A CN 201010574080A CN 102091489 B CN102091489 B CN 102091489B
- Authority
- CN
- China
- Prior art keywords
- dust
- swing arm
- layer
- valve
- valve body
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer. The granular bed filter comprises a dust conveying pipe (3) and a moving dust hood (5), wherein the dust conveying pipe (3) is arranged at the other side in an outer shell (2); the moving dust hood (5) is arranged between the dust conveying pipe (3) and an inner shell (4); the moving dust hood (5) is connected with upper and lower transmission mechanisms and is positioned at a vent (7) on a corresponding filtering layer via the upper and lower transmission mechanisms; the dust conveying pipe (3) is vertically arranged and is connected with an external dust collector (14); the external dust collector (14) is provided with an extract opening (19); the dust conveying pipe (3) is provided with a plurality of connectors (20) from top to bottom; the number of the connectors (20) is equal to the number of the filtering layers; a changeover valve (6) is arranged on each connector (20); and the position of the changeover valve (6) corresponds to the position of the moving dust hood (5). The granular bed filter has the beneficial effects of effectively preventing the submicro dust from drifting several times among the filtering layers, greatly prolonging the backblowing period, shortening the backblowing time and reducing the electric power consumption of the backblowing motor by more than twice.
Description
Technical field
The present invention relates to a kind of dust arrester, especially relate to a kind of two filtering layer grain bed hot precipitators that in the smoke abatement technical process, the sub-micron soot dust granule carried out secondary filter, separation.
Background technology
In the high-temperature dust removal field, two filtering layer grain bed hot precipitators have original in style technical advantage, when dust removal by filtration; Multiple filtration bed formula inner housing is surrounded inner housing each several part, particularly air distribution plate by 400 ℃ ~ 1080 ℃ thermal current; Expand with heat and contract with cold evenly, the thermal deformation resistant performance is good, and it is air tight to make air distribution plate not leak sand; Make this place's dirt device can be used in high temperature and the changeable occasion of temperature, applied widely.Before the present invention made, the two filtering layer grain bed hot precipitators that generally adopt at present were when carrying out smoke abatement and dust control, and flue gas gets into the deduster inlet air plenum from the top; The dust that when the filter bed layer, is trapped accumulates in the casting bed surface, reaches a certain amount of back filtration resistance and rises, and boiling type fluidisation reverse gas cleaning is started working; The blowback air that high concentrate dust is carried in upper strata fluidisation blowback evenly drains into the bellows chamber, under the effect of gravity and velocity of flue gas to bottom ash bucket sedimentation, but since flue gas in be the soot dust granule of 0.1 ~ 1 μ m mostly; Have only minimum a part of flue dust can be deposited to the bottom ash bucket; Mostly flue dust gets into one deck down with flue gas, when multi-level reverse gas cleaning successively is decremented to basecoat, can be deposited to the bottom ash bucket and the flue dust that is collected still only accounts for sub-fraction, and most flue dust still swims in the inlet air plenum; When blowback finishes the back normal filtration; This part flue dust that swims in the inlet air plenum is got back on the filtration bed surface again, causes filtration resistance to go up rapidly, thereby exists the blowback cycle short; Shortcomings such as the blowback time is long, and the back blowing machine electric power consumption is big.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, providing a kind of can prolong the blowback cycle greatly, and the blowing and drawing type that shortens the blowback time and reduce the back blowing machine electric power consumption is the two filtering layer grain bed hot precipitators of deashing successively.
The objective of the invention is to realize like this: a kind of blowing and drawing type is the two filtering layer grain bed hot precipitators of deashing successively, and it comprises shell body, and the top of shell body is provided with air inlet; The bottom of shell body is provided with ash bucket, and the inner side of shell body is provided with the multilayer inner housing along short transverse, is set side by side with a plurality of independently inner housings on each layer; The bottom of each inner housing is provided with filter course, and filter course is made up of air distribution plate, uniform flow layer, filter bed of essence and coarse filtration layer, and inner housing and filter course are formed a filter chamber; Leave ventilating opening between two neighbouring filter chambers, inner housing is provided with ventilation duct, and ventilation duct is arranged on the below of air distribution plate and laterally passes the shell body separate connection has reversal valve; Reversal valve is connected with the blowback air house steward with the pure qi (oxygen) house steward respectively; It is characterized in that: it also comprises the portable dust shield of dust delivering tube, and dust delivering tube is arranged at the inner opposite side of shell body, and portable dust shield is arranged between dust delivering tube and the inner housing; Portable dust shield is connected with transmission mechanism up and down; Be positioned the ventilating opening place of corresponding filter course through transmission mechanism up and down, dust delivering tube vertically is provided with and is connected with outside dust collecter, and outside dust collecter is provided with bleeding point; Be provided with a plurality of interfaces on the dust delivering tube from top to bottom; Interface quantity is suitable with the filter course number of plies, and each interface is provided with transfer valve, and the transfer valve position is suitable with portable dust shield position.
The valve inner of said transfer valve is provided with rotating shaft I, and the valve body outer setting has mobile interface, is connected with down swing arm, weight arm and middle swing arm on the rotating shaft I; Move to be connected with on the interface and move the interface gusset piece; Following swing arm and weight arm are positioned at the outside side of valve body, and middle swing arm and mobile interface gusset piece are positioned at the valve inner centre position, and valve inner also is provided with top link; Top link one end is connected with mobile interface gusset piece; The other end and middle swing arm are hinged, and portable dust shield is outside to be provided with block with following swing arm respective side, and portable dust shield interface outer periphery is equipped with portable dust shield flange.
The valve inner of said transfer valve is provided with rotating shaft II and rotating shaft III; Be connected with swing arm and pivoted arm on the rotating shaft II, swing arm is positioned at the outside opposite side of valve body, and pivoted arm is positioned at the valve body centre position; Be connected with valve plate on the rotating shaft III; Valve plate bottom one side is provided with balancing weight, and valve inner is provided with interior half flange in both sides up and down, and portable dust shield is outside to be provided with block with the swing arm respective side.
Compared with prior art, the invention has the beneficial effects as follows:
Blowing and drawing type of the present invention is the two filtering layer grain bed hot precipitators of deashing successively, and its dust delivering tube and mechanical transmission mechanism all are arranged in the casing, have made full use of the space; Compact conformation; Blowback dirt gas connects guides to outside dust arrester installation, has effectively prevented the repeatedly drift between filter course of submicron order dust, greatly the prolongation blowback cycle; Shorten the blowback time, reduced the back blowing machine electric power consumption more than 1 times.
Description of drawings
Fig. 1 is the blowing and drawing type of the present invention structural representation of the two filtering layer grain bed hot precipitators of deashing successively.
Fig. 2 is the I enlarged drawing of Fig. 1.
Fig. 3 is the sketch map that is connected of mobile interface of the present invention, transfer valve and portable dust shield.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is a transfer valve of the present invention and the sketch map that is connected of portable dust shield.
Fig. 6 is the vertical view of Fig. 5.
Wherein:
The specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of blowing and drawing type that the present invention relates to is the two filtering layer grain bed hot precipitators of deashing successively, comprise shell body 2; The top of shell body 2 is provided with air inlet 1, and the bottom of shell body 2 is provided with ash bucket 9, and ash bucket 9 bottoms are provided with dust outlet 10; Shell body 2 inner sides are provided with multilayer inner housing 4 along short transverse, are set side by side with a plurality of independently inner housings 4 on each layer, and shell body 2 inner opposite sides are provided with dust delivering tube 3; Be provided with portable dust shield 5 between dust delivering tube 3 and the inner housing 4, portable dust shield 5 is connected with transmission mechanism up and down, and the bottom of each inner housing 4 is provided with filter course; Filter course is made up of air distribution plate 15, uniform flow layer 16, filter bed of essence 17 and coarse filtration layer 18; Inner housing 4 is formed a filter chamber with filter course, leaves ventilating opening 7 between two neighbouring filter chambers, and inner housing 4 is provided with ventilation duct 8; Ventilation duct 8 is arranged on the below of air distribution plate 15 and laterally passes shell body 2 separate connection has reversal valve 13; Reversal valve 13 is connected with blowback air house steward 12 with pure qi (oxygen) house steward 11 respectively, and dust delivering tube 3 vertically is provided with and is connected with outside dust collecter 14, and outside dust collecter 14 is provided with bleeding point 19; Be provided with a plurality of interfaces 20 on the dust delivering tube 3 from top to bottom; Interface 20 quantity are suitable with the filter course number of plies, and each interface 20 place is provided with transfer valve 6, and transfer valve 6 positions are suitable with portable dust shield 5 positions.
Referring to Fig. 2; During use, it is inner that dusty gas gets into deduster through air inlet 1, and part meal dirt and reunion powder and flow separation directly drop to ash bucket; All the other lighter dusts with air-flow by uniform distribution to each filter chamber; Dust is filtered layer and stops and be adsorbed in the filter course that clean gas after filtering imports pure qi (oxygen) house stewards 11 through ventilation duct 8, directly enters atmosphere through pure qi (oxygen) house steward 11 in the time of will be through each filter course.Along with the continuous use of dust pelletizing system, the filter course dust is cumulative, and working resistance increases thereupon, normally moves for guaranteeing system, and the resistance of deduster should be controlled between 1200 ~ 1600Pa, as surpassing this value scope, should carry out reverse gas cleaning this moment and handle.During reverse gas cleaning; Clean gas is passed through filter course from bottom to top through blowback air house steward 12 ventilation duct 8 of flowing through; Make filter bed of essence 17 and coarse filtration layer 18 be in fluidized state; Dust in the particle is taken out of by the blowback air-flow, and the blowback air-flow that carries dust is discharged from ventilating opening 7, and portable dust shield 5 is positioned ventilating opening 7 places of corresponding filter chamber through transmission mechanism up and down; Make dust-contained airflow can evenly import portable dust shield 5, dust-contained airflow gets into outside dust collecter 14 through transfer valve 6 and dust delivering tube 3 under the pressure-vaccum effect of blowback air house steward 12 and bleeding point 19.
Referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, valve body 21 set inside of transfer valve 6 have rotating shaft I 23, and valve body 21 outer setting have mobile interface 22; Be connected with down swing arm 25, weight arm 26 and middle swing arm 29 on the rotating shaft I 23; Move to be connected with on the interface 22 and move interface gusset piece 27, following swing arm 25 is positioned at valve body 21 outside sides with weight arm 26, and middle swing arm 29 is positioned at valve body 21 bosom positions with mobile interface gusset piece 27; Valve body 21 inside also are provided with top link 28; Top link 28 1 ends are connected with mobile interface gusset piece 27, and the other end and middle swing arm 29 are hinged, and a linkage is formed in top link 28, middle swing arm 29 and following swing arm 25.Portable dust shield 5 outsides are provided with block 24 with following swing arm 25 respective side, and portable dust shield 5 interface outer periphery are equipped with portable dust shield flange 37.When dust removal machine carries out successively reverse gas cleaning; Portable dust shield 5 is down in the motion process; Block 24 is stirred down swing arm 25 rotates rotating shaft 23, thereby drives whole linkage, and mobile interface 22 is closed tightly with portable dust shield flange 37; Under portable dust shield 5 completion deashing work get into, behind one deck, drive whole linkage at weight arm 26 and make mobile interface 22 homings.
Claims (3)
1. a blowing and drawing type two filtering layer grain bed hot precipitators of deashing successively, it comprises shell body (2), the top of shell body (2) is provided with air inlet (1); The bottom of shell body (2) is provided with ash bucket (9), and the inner side of shell body (2) is provided with multilayer inner housing (4) along short transverse, is set side by side with a plurality of independently inner housings (4) on each layer; The bottom of each inner housing (4) is provided with filter course, and filter course is made up of air distribution plate (15), uniform flow layer (16), filter bed of essence (17) and coarse filtration layer (18), and inner housing (4) is formed a filter chamber with filter course; Leave ventilating opening (7) between two neighbouring filter chambers; Inner housing (4) is provided with ventilation duct (8), and ventilation duct (8) is arranged on the below of air distribution plate (15) and laterally passes shell body (2), and said ventilation duct (8) is gone up separate connection has reversal valve (13); Reversal valve (13) is connected with blowback air house steward (12) with pure qi (oxygen) house steward (11) respectively; It is characterized in that: it also comprises dust delivering tube (3) and portable dust shield (5), and dust delivering tube (3) is arranged at the inner opposite side of shell body (2), and portable dust shield (5) is arranged between dust delivering tube (3) and the inner housing (4); Portable dust shield (5) is connected with transmission mechanism up and down; The ventilating opening (7) that is positioned corresponding filter course through transmission mechanism is up and down located, and dust delivering tube (3) vertically is provided with and is connected with outside dust collecter (14), and outside dust collecter (14) is provided with bleeding point (19); Be provided with a plurality of interfaces (20) on the dust delivering tube (3) from top to bottom; Interface (20) quantity is suitable with the filter course number of plies, and each interface (20) locates to be provided with transfer valve (6), and transfer valve (6) position is suitable with portable dust shield (5) position.
2. a kind of blowing and drawing type according to claim 1 is the two filtering layer grain bed hot precipitators of deashing successively; It is characterized in that: valve body (21) set inside of said transfer valve (6) has rotating shaft I (23); Valve body (21) outer setting has mobile interface (22); Be connected with down swing arm (25), weight arm (26) and middle swing arm (29) on the rotating shaft I (23), move to be connected with on the interface (22) and move interface gusset piece (27), following swing arm (25) and weight arm (26) are positioned at the outside side of valve body (21); Middle swing arm (29) and mobile interface gusset piece (27) are positioned at valve body (21) bosom position; Valve body (21) inside also is provided with top link (28), and top link (28) one ends are connected with mobile interface gusset piece (27), and the other end and middle swing arm (29) are hinged; Portable dust shield (5) is outside to be provided with block (24) with following swing arm (25) respective side, and portable dust shield (5) interface outer periphery is equipped with portable dust shield flange (37).
3. a kind of blowing and drawing type according to claim 1 and 2 is the two filtering layer grain bed hot precipitators of deashing successively; It is characterized in that: valve body (21) set inside of said transfer valve (6) has rotating shaft II (30) and rotating shaft III (31); Be connected with swing arm (33) and pivoted arm (34) on the rotating shaft II (30), swing arm (33) is positioned at the outside opposite side of valve body (21), and pivoted arm (34) is positioned at valve body (21) centre position; Be connected with valve plate (35) on the rotating shaft III (31); Valve plate (35) bottom one side is provided with balancing weight (36), and the inner both sides up and down of valve body (21) are provided with interior half flange (38), and portable dust shield (5) is outside to be provided with block (32) with swing arm (33) respective side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105740803A CN102091489B (en) | 2010-12-06 | 2010-12-06 | Blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105740803A CN102091489B (en) | 2010-12-06 | 2010-12-06 | Blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102091489A CN102091489A (en) | 2011-06-15 |
| CN102091489B true CN102091489B (en) | 2012-11-21 |
Family
ID=44124864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105740803A Expired - Fee Related CN102091489B (en) | 2010-12-06 | 2010-12-06 | Blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102091489B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580972A (en) * | 2012-01-18 | 2012-07-18 | 李�杰 | Multi-station top-suction type exhaust and dust processing device with function of automatic station conversion |
| CN106362504A (en) * | 2016-08-31 | 2017-02-01 | 浙江瑞德华环保设备有限公司 | Gas filtration and dust removal device |
| CN106178722A (en) * | 2016-08-31 | 2016-12-07 | 浙江瑞德华环保设备有限公司 | A kind of gas filtration dust arrester |
| CN107019975B (en) * | 2017-04-08 | 2023-07-21 | 安徽盛运重工机械有限责任公司 | Double-filter-layer high-temperature particle dust remover |
| CN107321090A (en) * | 2017-08-21 | 2017-11-07 | 江阴远帆环保科技有限公司 | Hot precipitator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328411Y (en) * | 1996-07-08 | 1999-07-14 | 涂前文 | Full functional circular plate type high efficiency dust-removing machine |
| JP2007252704A (en) * | 2006-03-24 | 2007-10-04 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| CN201404749Y (en) * | 2009-05-21 | 2010-02-17 | 上海宝钢工程技术有限公司 | High temperature-resistant dust cleaner |
| CN201862339U (en) * | 2010-12-06 | 2011-06-15 | 江阴市百顺科技有限公司 | Blowing and sucking type high-temperature deduster with double filtering layers granular bed capable of stepwise cleaning dust |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3188408B2 (en) * | 1997-06-13 | 2001-07-16 | 川崎重工業株式会社 | Mist removal device in gas |
-
2010
- 2010-12-06 CN CN2010105740803A patent/CN102091489B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328411Y (en) * | 1996-07-08 | 1999-07-14 | 涂前文 | Full functional circular plate type high efficiency dust-removing machine |
| JP2007252704A (en) * | 2006-03-24 | 2007-10-04 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| CN201404749Y (en) * | 2009-05-21 | 2010-02-17 | 上海宝钢工程技术有限公司 | High temperature-resistant dust cleaner |
| CN201862339U (en) * | 2010-12-06 | 2011-06-15 | 江阴市百顺科技有限公司 | Blowing and sucking type high-temperature deduster with double filtering layers granular bed capable of stepwise cleaning dust |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102091489A (en) | 2011-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102091489B (en) | Blowing and sucking type dual-layer high-temperature granular bed filter for removing dust layer by layer | |
| CN201862339U (en) | Blowing and sucking type high-temperature deduster with double filtering layers granular bed capable of stepwise cleaning dust | |
| CN208340408U (en) | A kind of dedicated bag-type dust collecting equipment of Large Electric Furnace smoke gas treatment | |
| CN203518640U (en) | Smoke collection and prevention and dust removal device for AOD smelting furnace and medium frequency smelting furnace | |
| CN104226070B (en) | Immobilized particles layer deduster | |
| CN108826493A (en) | A kind of air cleaning facility using electrostatic precipitation | |
| CN203421982U (en) | Waste heat recovery and dust-removing device of industrial furnace | |
| CN202460393U (en) | Cooling positive-pressure back-suction big cloth bag dust removal device for submerged arc furnace | |
| CN102580417A (en) | High-temperature smoke bag type dust remover of submerged arc furnace, dust removing process and dust removing system | |
| CN107051029A (en) | Brick mix structure glass-fiber bagged dust collector and its ash removal method | |
| CN204107267U (en) | Immobilized particles layer deduster | |
| CN207576043U (en) | Calcination, fluidization stove dust-extraction unit | |
| CN115355725B (en) | Sintering machine tail flue gas treatment system | |
| CN201149423Y (en) | Apparatus for purifying flue gas and reusing waste heat of alader electric furnace | |
| CN206809936U (en) | A kind of air box impulse bag-type dust remover | |
| CN1214847C (en) | Rotary type fluidized bed back blow particle layer dust removing apparatus | |
| CN109078409A (en) | Modularization exhaust apparatus and modularization duster system | |
| CN206131158U (en) | Modular air handler | |
| CN201292341Y (en) | Coal-charging, coal-discharging two-in-one smoke collection purifier of coke burner | |
| CN209092924U (en) | Modularization exhaust apparatus and modularization duster system | |
| CN206746225U (en) | A kind of Novel dust collection device | |
| CN113058346A (en) | Flue gas purification treatment system and method for intelligent thermal power plant | |
| CN206131198U (en) | Vertical combination formula air handler | |
| CN205461469U (en) | Strain locellus blowback bag collector in inertia | |
| CN213286188U (en) | Granular layer dust remover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20131206 |