CN102755791A - Large stepping type rotating pulse desuter - Google Patents
Large stepping type rotating pulse desuter Download PDFInfo
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- CN102755791A CN102755791A CN2012102672042A CN201210267204A CN102755791A CN 102755791 A CN102755791 A CN 102755791A CN 2012102672042 A CN2012102672042 A CN 2012102672042A CN 201210267204 A CN201210267204 A CN 201210267204A CN 102755791 A CN102755791 A CN 102755791A
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Abstract
A large stepping type rotating pulse desuter is composed of an upper barrel (with an air outlet), a volute, a middle barrel, an ash hopper, a support, a top guardrail, a compressed air inlet pipe, an air bag, a pulse valve, a stepping motor, a speed shifting mechanism, spray-blow pipes, a top cover, a tube nest, a filter bag assembly, a guide grid and an ash discharging valve. The large stepping type rotating pulse desuter is of a round structure and is simple in structure, convenient to construct and high in compression strength. A filter bag is a round special denting-preventing device. The tube nest is specially arranged. Filter area of one deduster reaches 2540 square meters, and one deduster is only provided with one pulse valve, two to three spray-blow pipes and one air bag arranged in an air purifying chamber and rotating to be balanced. An air inlet is arranged on the upper portion of the middle barrel and is a tangential cyclone inlet. A module type structure is adopted so that processing and transporting are facilitated. A plurality of large stepping type rotating pulse desuters can form a super large pulse desuter which has the advantages of being low in investment and operation expanse and wide in adaptive range.
Description
Technical field
The invention belongs to environmental protection technical field, especially belong to a kind of large-scale step-by-step movement rotary pulse deduster, be mainly used in station boiler, cement rotary kiln, large-scale iron alloy electric furnace, smoke gas treatments such as furnace of calcium carbide.
Background technology:
Adjustment in China along with scientific and technological progress and national industrial policies, various industrial furnaces develop to maximization, modernized direction, and the discharge capacity of high temperature dust flue gas is increasing, and smoke dust-removing equipment is also to maximization, automation direction development.Be meeting the market requirement, China has introduced state-of-the-art in the world at present low pressure rotary pulse sack cleaner from French Lurgi company.Each filter bag bundle can be arranged 1156 filter bags, length 8m, maximum filtering area 3700m
2. at present in China's successful Application.But because filter bag that this equipment adopted is for oblate, so must join oblate filter bag bag cage, the pulse valve that is adopted is 8 cun a large-scale pulse valve, domesticly still can not produce, and needs import.And cost an arm and a leg, be difficult to realize domesticizing.According to the market demand, in conjunction with the characteristics and the deficiency of the low pressure rotary pulse sack cleaner of French Lurgi company with international most advanced level.My company analyzes and researches, and designs patent of the present invention voluntarily.
Summary of the invention:
The step-by-step movement huge revolving pulse dust collector that the purpose of this invention is to provide the shrinking-proof ring device of a kind of rounded pocket that is used for large electric power plant station boiler, rotary kiln, iron alloy electric furnace, furnace of calcium carbide etc. and rounded pocket; Its structure comprises upper box, spiral case, middle casing, ash bucket, support, top guardrail, compressed air inlet pipe, gas bag, pulse valve, stepper motor and gear, winding-up pipe, top cover, card, filter bay assembly, guide grids, the ash-removing valve of taking the air port out of; On middle casing, be provided with the spiral case that is connected with the air intake reducer pipe; Middle casing upper end is provided with the upper box of taking the air port out of; The top guardrail is established on the upper box top; Gas bag is located at the center of taking the air port upper box out of, and the gas bag top is provided with the compressed air inlet pipe, is connected with reducer shell on the cover plate of gas bag; Be provided with gear wheel and pinion in this housing, pinion and stepper motor engagement; Pulse valve is located at the top of the center vertical tube of winding-up pipe; Between the center vertical tube circumference of winding-up pipe and gas bag, be provided with bearing and bearing block, winding-up pipe rotation under the drive of decelerator, level is managed to being provided with two to three winding-ups; Every winding-up pipe below is provided with nozzle; Aim at different card filter bag holes respectively, on two winding-up pipes electronic pipeline valve is installed, realize opening and closing.
On circular card, be provided with card filter bag hole; Each below, filter bag hole is installed in filter bag on the fixed support in the guide grid through upper press ring, chassis and middle shrinking-proof ring; The filter bag center is provided with central tube, and the two ends of central tube are provided with shunting guiding awl, are filled with concrete in the central tube.Upper press ring, shrinking-proof ring, chassis, branch flow cone, guiding awl are by the engineering plastics compression molding, and central tube adopts stainless steel, filling concrete.The last flow cone that divides plays the filter pocket mouths venturi action, and following guiding awl is convenient to the filter bag installation, prevents the filter bag swing.
The design of card, the filter bag installing hole on the card guarantees the minimum spacing 180mm of filter bag according to concentric circles with 2 ° 30 of center of circle corner ' arrange with 5 ° center line intersection point.
Adopt stepper motor to drive the step-by-step movement slew gear of speed changer.1.8 ° of the step angles of stepper motor, the gear ratio of speed changer are 1:1.44.
Gas bag is installed in and is fixed in the upper shell on the roof frame, and compressed air inlet pipe, decelerator, pulse valve, stepper motor and winding-up pipe are installed on gas bag.
Winding-up Guan Weisan root, the established angle of three pipes be 2 ° 30 ', 117 ° 30 ', 232 ° 30 '.The different filter bag hole of nozzle alignment that three winding-ups are managed, when the winding-up slew gear turned over 360 °, each filter bag was jetted once.On b, the c winding-up pipe electronic pipeline valve is installed in three winding-up pipes, realizes revolution moving 2 ° of 30 ' times, a, b number winding-up pipe winding-up are closed for c number, during a, c number winding-up pipe winding-up, close for b number.
To super-huge boiler rotary kiln; The air intake reducer pipe that adopts many step-by-step movement rotary pulse deduster parallel connections and be located at the top; Set up the coarse granule in the import of tangential whirlwind, the flue gas directly to get into ash bucket through pneumatic air intake valve and middle cylinder body top respectively, flue gas flow direction is consistent with the dust falling direction, reduces the second adsorption of dust; Reduce the filter bag load, prolong life of bag filter.
Adopt the beneficial effect of patent of the present invention to be:
Adopt cylinder type, simple in structure, easy construction, compressive resistance is high, air leak rate of air curtain is low, can adopt the steel manufacturing, also can adopt the composite manufacturing.Adopt composite to process partitioned organization, batch production production, convenient transportation, assembled on site.Can shorten the site operation cycle, cylindrical shell has heat-insulation and heat-preservation, and is corrosion-resistant, reaches service life more than 15 years.
Adopt rounded pocket and shrinking-proof ring device, make things convenient for manufacturing, transportation, installation, maintenance, reduction manufacturing cost, reduce the filter bag collision.
Adopt three winding-up pipes, electronic pipeline valve is installed on two, when thoroughly having solved slew gear and turning over 360 °, filter bag repeats winding-up, the problem that causes life of bag filter not wait.And the filter bag number of once winding-up is no more than 16, so only need to adopt the pulse valve of 3 ~ 4 〞, avoided adopting 8 〞 pulses to need the difficult problem of expensive expense import, quickens the production domesticization of the large-scale step-by-step movement rotary pulse sack cleaner of realization.
This large-scale step-by-step movement rotary pulse deduster can adopt modular structure according to handling air quantity, filter area, being designed to the product of seriation, can form super-huge step-by-step movement rotary pulse deduster.
Description of drawings:
Fig. 1 a, 1b are a kind of structure charts of large-scale step-by-step movement rotary pulse deduster.
Fig. 2 a, b, c are the large-scale step-by-step movement revolution arteries and veins deduster sketch mapes that six parallel connections are used;
Fig. 3 a is the spraying and blowing organ sectional structure chart of large-scale step-by-step movement rotary pulse deduster;
Fig. 3 b is the card structure chart of large-scale step-by-step movement rotary pulse deduster;
Fig. 4 a is the filter bag shelf structure figure of large-scale step-by-step movement rotary pulse deduster;
Fig. 4 b is the local amplification assumption diagram of the shunting guiding awl of Fig. 4 a;
Fig. 4 c is the upper press ring plan structure figure of Fig. 4 a;
Fig. 5 a, b, c are the layout drawings of the card filter bag installing hole of three kinds of different sizes.
Among Fig. 1 a, the 1b: 1-takes the air port upper box out of, 2-spiral case, casing among the 3-, 4-ash bucket; The 5-support, 6-top guardrail, 7-compressed air inlet pipe, 8-gas bag; 9-pulse valve, 10-stepper motor and gear, the 11-pipe of jetting, the 12-top cover; The 13-card, 14-filter bay assembly, 15-guide grids, 16-ash-removing valve;
Among Fig. 2 a, b, the c: 2.1-band whirlwind import step-by-step movement rotary pulse deduster, 2.2-air intake reducer pipe, the pneumatic air intake valve of 2.3-, 2.4-air-out reducer pipe, 2.5-Pneumatic ash conveying pipe, 2.6-Pneumatic ash conveying blower fan;
Among Fig. 3 a, the 3b: 8.1-gas bag tube, 8.2-cover plate, 8.3-reducer shell, 8.4-gear wheel; 8.5-pinion, 8.6-bearing block, 8.7-bearing; The 9-pulse valve, 10-stepper motor, 11.1-winding-up pipe a; 11.2-winding-up pipe b, 11.3-winding-up pipe c, the electronic pipeline valve of 11.4 HTHPs;
Among Fig. 4 a, 4b, the 4c: 14.1-filter bag, 14.2-upper press ring, 14.3-card, 14.4-shunting guiding awl, 14.5-central tube, 14.6-shrinking-proof ring, 14.7-chassis, 14.8-locating support, 14.9-concrete.
The specific embodiment:
A kind of large-scale step-by-step movement rotary pulse deduster of the present invention can adopt steel construction, also can adopt the composite manufacturing.And adopt the composite manufacturing more to help realizing batch production production, process modular structure in factory, assembled on site.
According to handling air quantity, filter area, the filter area of separate unit, filter bag quantity can adjust, and when a filter bag number was less than 414, the winding-up pipe was only established each other 175 ° two and is got final product.
Super-huge step-by-step movement rotary pulse deduster is a kind of modular structure, only needs configuration air intake reducer pipe 2.2, and air-out reducer pipe 2.4 and strength ash-transmission system use many step-by-step movement rotary pulse deduster parallel connections.
Contrast accompanying drawing at present the present invention is done further narration; Its structure mainly comprises: take upper box 1, the spiral case 2 in air port out of, middle casing 3, ash bucket 4, support 5, top guardrail 6, compressed air inlet pipe 7, gas bag 8, pulse valve 9, stepper motor and gear 10, winding-up pipe 11, top cover 12, card 13, filter bay assembly 14, guide grids 15, ash-removing valve 16 are provided with the spiral case 2 that is connected with the air intake reducer pipe on middle casing 3; Middle casing 3 upper ends are provided with the upper box 1 of taking the air port out of; Top guardrail 6 is established on upper box 1 top, gas bag 8 is located at the center of taking air port upper box 1 out of, and gas bag 8 tops are provided with compressed air inlet pipe 7, are connected with reducer shell 8.3 on the cover plate 8.2 of gas bag 8; Be provided with gear wheel 8.4 and pinion 8.5 in this housing; Pinion 8.5 is connected with stepper motor 10, and pulse valve 9 is located at the top of winding-up pipe 11 center vertical tubes, is provided with metal (upper 8.7 and bearing block 8.6 between winding-up pipe 11 center vertical tube circumference and the gas bag 8 under the drive of decelerator; The rotation of winding-up pipe; Horizontal direction is provided with two to three winding-up pipes 11, and every winding-up pipe below is provided with nozzle, aims at different card filter bag installing holes respectively; On two winding-up pipes electronic pipeline valve is installed, realizes opening and closing.
On circular card, be provided with card filter bag installing hole, the below in this hole is a Filter-bag carcass, and each filter bag installing hole is installed in filter bag on the fixed support 14.8 in the guide grid 15 through upper press ring 14.2, chassis 14.7 and middle shrinking-proof ring 14.6; Filter bag 14.1 centers are provided with central tube 14.5, and the two ends of central tube are provided with shunting guiding awl 14.4, are filled with concrete 14.9 in the central tube; To super-huge boiler, revolution stove; Adopt many air intake reducer pipes 2.2 of being with whirlwind import step-by-step movements revolution arteries and veins dedusters 2.1 and being located at the top, be connected to the import of tangential whirlwind through pneumatic air intake valve 2.3 with middle casing 3 scroll casing type air inlets respectively, the coarse granule in the flue gas directly gets into ash bucket; Flue gas flow direction is consistent with the dust falling direction; Reduce the second adsorption of dust, reduce the filter bag load, prolong life of bag filter.
Adopt rounded pocket and shrinking-proof ring device, convenient manufacturing transportation, installation, maintenance, reduction manufacturing cost, the collision of minimizing filter bag.
Each ash bucket valve 16 place, pulse dust collector lower end links to each other with Pneumatic ash conveying pipe 2.5 respectively, and the air intake of Pneumatic ash conveying pipe 2.5 is provided with Pneumatic ash conveying blower fan 2.6.
Card filter bag installing hole is pressed concentric circles and with 2 ° 30 of center of circle corner ' be provided with 5 ° center line intersection point, is made the minimum spacing 180mm of filter bag; Ring-type card filter bag hole is by 2 ° 30 ' setting, and the aperture is φ 104-130, R587-R2700; Ring-type card filter bag hole by 2 ° 30 of center of circle corner ' the aperture be φ 137-173, R587-R3450.
14 ring card filter bag holes are φ 69-130 by the aperture of 5 ° of center of circle corners, R587-R2250.
The gear ratio of 1.8 ° of the step angles of stepper motor, speed changer is 1:44; Comprehensive the above: large-scale step-by-step movement rotary pulse deduster; This deduster casing is made as circular configuration, on upper shell, is provided with the contraction type air outlet, is provided with tangential scroll casing type air inlet on middle cylinder body top.Gas bag 8 is installed in the cylindrical shell of taking air port casing 1 out of; A deduster is only established a pulse valve; Three winding-up pipes of a stepper motor gear band horizontal plane; Three winding-up pipes install the angle be 2 ° 30 ', 117 ° 30 ', 232 ° 30 ', every corresponding different card and filter bag of nozzle that the winding-up pipe is set down, and on two winding-up pipes, be provided with the electronic pipeline valve 11.4 of HTHP.
Claims (4)
1. one kind large-scale step-by-step movement rotary pulse deduster; It is characterized in that: structure mainly comprises takes air port upper box (1), spiral case (2), middle casing (3), ash bucket (4), support (5), top guardrail (6), compressed air inlet pipe (7), gas bag (8), pulse valve (9), stepper motor and gear (10), winding-up pipe (11), top cover (12), card (13), filter bay assembly (14), guide grid (15), ash-removing valve (16) out of; The deduster casing is a circular configuration; Be provided with the contraction type air outlet at upper shell; Be provided with tangential scroll casing type air inlet on middle cylinder body top, adopt rounded pocket (14.1) on middle casing (3), to be provided with the spiral case (2) that is connected with the air intake reducer pipe with the rounded pocket installing hole with shrinking-proof ring (14.6) device, middle casing (3) upper end is provided with the upper box (1) of taking the air port out of; Top guardrail (6) is established on upper box (1) top, gas bag (8) is located at the center of taking air port upper box (1) out of; Gas bag (8) top is provided with compressed air inlet pipe (7), is connected with reducer shell (8.3) on the cover plate (8.2) of gas bag (8), is provided with gear wheel (8.4) and pinion (8.5) in this housing; Pinion (8.5) is connected with stepper motor (10); Pulse valve (9) is located at the top of winding-up pipe (11) center vertical tube, is provided with metal (upper (8.7) and bearing block (8.6) between winding-up pipe (11) center vertical tube circumference and the gas bag (8) under the drive of decelerator, the rotation of winding-up pipe; Horizontal direction is provided with two to three winding-up pipes (11); Every winding-up pipe below is provided with nozzle, aims at different card filter bag installing holes respectively, on two winding-up pipes electronic pipeline valve is installed; Realization is opened and is closed; On circular card, be provided with card filter bag installing hole, the below in this hole is a Filter-bag carcass, and each filter bag installing hole is installed in filter bag and Filter-bag carcass on the fixed support (14.8) in the guide grid (15) through upper press ring (14.2), chassis (14.7) and middle shrinking-proof ring (14.6); A deduster is only established a pulse valve, and a stepper motor gear is established two to three winding-up pipes.
2. large-scale step-by-step movement rotary pulse deduster according to claim 1; It is characterized in that: card (13) is made up of six identical card unit; On every card according to concentric circles and with 2 ° 30 at central angle ' or 5 ° center line intersection point arrange the filter bag installing hole; The filter bag installing hole is circular, filter bag installing hole minimum spacing 180mm.
3. large-scale step-by-step movement rotary pulse deduster according to claim 1; It is characterized in that: Filter-bag carcass is filled with concrete (14.9) and a plurality of shrinking-proof rings (14.6) is installed on central tube in it with a central tube (14.5); Insert in guide grid (15) hole central tube (14.5) lower end, and central tube (14.5) two ends also are provided with shunting guiding awl (14.4).
4. large-scale step-by-step movement rotary pulse deduster according to claim 1; It is characterized in that: described three the winding-up tube angulations be 2 ° 30 ', 117 ° 30 ', 232 ° 30 '; The corresponding different filter bag installing hole of nozzle that every winding-up is managed, and on two winding-up pipes, be provided with the electronic pipeline valve of HTHP (11.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102672042A CN102755791A (en) | 2012-07-31 | 2012-07-31 | Large stepping type rotating pulse desuter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102672042A CN102755791A (en) | 2012-07-31 | 2012-07-31 | Large stepping type rotating pulse desuter |
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| CN102755791A true CN102755791A (en) | 2012-10-31 |
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| CN2012102672042A Pending CN102755791A (en) | 2012-07-31 | 2012-07-31 | Large stepping type rotating pulse desuter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709514A (en) * | 2016-03-07 | 2016-06-29 | 苏州保酚环境科技有限公司 | Multifunctional dust removal device |
| CN106237736A (en) * | 2016-09-09 | 2016-12-21 | 新疆广汇中化能源技术开发有限公司 | Dust arrester |
| CN106310832A (en) * | 2016-10-19 | 2017-01-11 | 烟台三立彩钢结构有限公司 | Novel dedusting cabinet |
| WO2017107092A1 (en) * | 2015-12-23 | 2017-06-29 | Shell Internationale Research Maatschappij B.V. | System and method for filtering a gas-solids mixture |
| CN107149814A (en) * | 2016-03-04 | 2017-09-12 | 通用电气公司 | Shunt pulsing jet cleaning device and system |
| CN110478997A (en) * | 2019-09-11 | 2019-11-22 | 孙信 | A kind of industrial dust collector |
| CN112604406A (en) * | 2020-12-07 | 2021-04-06 | 中钢集团天澄环保科技股份有限公司 | Rotary blowing device for bag type dust collector |
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| CN201719933U (en) * | 2009-12-18 | 2011-01-26 | 遵义市中德环保有限公司 | Stepping type rotary pulse bag dust remover |
| CN202036900U (en) * | 2011-04-29 | 2011-11-16 | 江苏康洁环境工程有限公司 | Air whirl blowback bag type dust remover |
| CN202700260U (en) * | 2012-07-31 | 2013-01-30 | 遵义市贵科科技有限公司 | Large step type rotary pulse dust collector |
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| CN1537665A (en) * | 2003-04-15 | 2004-10-20 | 沈继平 | Rotary pulse bag type dust collector |
| CN201719933U (en) * | 2009-12-18 | 2011-01-26 | 遵义市中德环保有限公司 | Stepping type rotary pulse bag dust remover |
| CN202036900U (en) * | 2011-04-29 | 2011-11-16 | 江苏康洁环境工程有限公司 | Air whirl blowback bag type dust remover |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107092A1 (en) * | 2015-12-23 | 2017-06-29 | Shell Internationale Research Maatschappij B.V. | System and method for filtering a gas-solids mixture |
| US10293295B2 (en) | 2015-12-23 | 2019-05-21 | Air Products And Chemicals, Inc. | System and method for filtering a gas-solids mixture |
| CN107149814A (en) * | 2016-03-04 | 2017-09-12 | 通用电气公司 | Shunt pulsing jet cleaning device and system |
| CN107149814B (en) * | 2016-03-04 | 2021-04-27 | 通用电气公司 | Split-flow pulse jet cleaning device and system |
| CN105709514A (en) * | 2016-03-07 | 2016-06-29 | 苏州保酚环境科技有限公司 | Multifunctional dust removal device |
| CN106237736A (en) * | 2016-09-09 | 2016-12-21 | 新疆广汇中化能源技术开发有限公司 | Dust arrester |
| CN106310832A (en) * | 2016-10-19 | 2017-01-11 | 烟台三立彩钢结构有限公司 | Novel dedusting cabinet |
| CN110478997A (en) * | 2019-09-11 | 2019-11-22 | 孙信 | A kind of industrial dust collector |
| CN112604406A (en) * | 2020-12-07 | 2021-04-06 | 中钢集团天澄环保科技股份有限公司 | Rotary blowing device for bag type dust collector |
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Application publication date: 20121031 |