CN104826417B - A kind of sack cleaner - Google Patents
A kind of sack cleaner Download PDFInfo
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- CN104826417B CN104826417B CN201510234615.5A CN201510234615A CN104826417B CN 104826417 B CN104826417 B CN 104826417B CN 201510234615 A CN201510234615 A CN 201510234615A CN 104826417 B CN104826417 B CN 104826417B
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Abstract
The present invention relates to a kind of sack cleaner, comprise plate (8), gas panel lower plate (9), pneumatic head (10), gas-filled valve (11), filter bag (12) on fly-ash separator entrance (1), fly-ash separator outlet (13), air distribution plate (6), gas panel. The many gas-filled valves (11) that length is equal are sealedly connected in inflation mouth (21), and equally distributed gas-filled valve (11) constitutes a bag cage; Bag cage overcoat has filter bag. Apparatus of the present invention structure is simple, avoids the grey clearly shock action to filter bag of pulse gas in prior art, extends the life-span of filter bag.
Description
Technical field
The present invention relates to a kind of gas dust-removing device. The present invention be more particularly directed to a kind of sack cleaner.
Background technology
Sack cleaner is widely used in the dusty gas that the industries such as purification metallurgy, mine, chemical industry, cement, generating, grain processing produce. The principle of work of sack cleaner dusty gas is introduced fly-ash separator and makes it pass through the filter bag being located in fly-ash separator, and namely grit is blocked stays filter bag surface, forms a dust layer. Uncontaminated air then discharges fly-ash separator subsequently by filter bag.
After running for some time, the dust layer that bag-type duster filtering bag meets the accumulation of dirt surface is more and more thicker, and the drag losses of fly-ash separator is increased, and seriously affects the efficiency of dust collection of fly-ash separator. Therefore, after sack cleaner runs for some time, it is necessary to carry out ashman's sequence.
Common purge mode comprises pulse jetting deashing. Pulse jetting deashing mode is that at a high speed high-pressure air is blown into filter bag in the of short duration time, produces the purge gas reverse with filtering gas, makes to produce impulsive inflation shake in filter bag, thus shakes off dust. The utility model patent that such as Authorization Notice No. is CN2402921Y discloses a kind of chamber pulsating back-blowing glass fibre sack cleaner, fly-ash separator comprises flutter valve, in order to manufacture the pulsating back-blowing gas of high frequency, and when needing grey clearly, the pulsating back-blowing gas of this high frequency is sprayed in filter bag, the sticking power destroying between dust layer and filter bag is shaken by a small margin, it is achieved ash clearly by the high frequency of filter bag. But due to frequent pulse backblowing, high wind speed makes the fibre gap of filter bag frequently by power, thus increases filter bag and damage and more also rate, and dust removing effects is also undesirable, and operating environment is seriously polluted.
Common purge mode also comprises the clear ash of shake. Shaking clear ash is utilize the vibrations of the jittering device being connected with filter bag thus drive filter bag to shake, and makes the dust of attachment depart from filter bag by the regular shake of filter bag, it is achieved ash clearly. Such as publication No. CN102728171A discloses a kind of shake deashing device, wherein the top of dust-removing box comprises revolving bar, cloth bag group is connected with revolving bar, rocking bar vertically it is provided with outside dust-removing box, described rocking bar is connected with revolving bar, rotating rocker so that revolving bar rotates, thus reach the object that shake cloth bag group makes the particle being adsorbed on its surface and dust fall. But this kind of mode physical construction is comparatively complicated, during actual use, failure rate is higher.
Visible, need a kind of more efficient, stable sack cleaner of exploitation at present badly.
Summary of the invention
It is an object of the invention to provide a kind of sack cleaner. This fly-ash separator is by replacing the bag cage for inflating by the bag cage of traditional rigidity, and during fly-ash separator normal operation, the inner aerification of air bag cage, the bag cage of inflation is supported the dust removal by filtration that filter bag realizes gas. When the clear ash of needs, in an intermittent fashion to the inflation of air bag cage, bag cage is able to interval and shakes, it is achieved the clear ash dedusting of filter bag. When the method can effectively avoid conventional pulse dust cleaning, pulse gas is directly to the shock action of filter bag, and structure is simple, can effectively improve the work-ing life of cleaning efficiency and filter bag.
For achieving the above object, the sack cleaner of the present invention comprises fly-ash separator entrance (1), fly-ash separator outlet (13), air distribution plate (6), plate (8) on gas panel, gas panel lower plate (9), pneumatic head (10), gas-filled valve (11), filter bag (12), it is characterized in that: inflation mouths (21) sealing that two on same pneumatic head (10) are relative respectively of the two ends of gas-filled valve (11) is connected, pneumatic head (10) is by outer wall (16), inwall (17) and top board (20) composition, the top of outer wall, the top of inwall is connected with inner ring respectively with the outer shroud of the top board of annular, outer wall (16), inwall (17) and top board (20) constitute the inflation fluid-space, top board is evenly distributed with even number inflation mouth (21) facing each other, the many gas-filled valves (11) that length is equal are sealedly connected in inflation mouth (21), equally distributed gas-filled valve (11) constitutes a bag cage, bag cage overcoat has filter bag,
Pneumatic head outer wall (16) lower end and pneumatic head inwall (17) lower end are respectively equipped with the first screw thread (18) and the 2nd screw thread (19), first screw thread (18) is connected with plate on gas panel (8) through hole helixseal, and the 2nd screw thread (19) connects with the through hole helixseal in gas panel lower plate (9);
On gas panel, plate (8), gas panel lower plate (9) together constitute gas panel. The airtight plenum space that on gas panel, plate (8), gas panel lower plate (9), pneumatic head (10), gas-filled valve (11) are formed jointly, on gas panel, shell of dust remover between plate (8) and gas panel lower plate (9) is had a short break between being provided with entrance (7), between have a short break entrance (7) with between supply source of having a short break be connected, supply source of having a short break is inflated to plenum space by entrance (7) of having a short break;
It is cone-shaped body 4 below fly-ash separator entrance 1, it is hopper bottom cone-shaped body 4, be provided with air distribution plate 6 at fly-ash separator entrance 1 and gas panel lower plate 9.
Wherein the quantity of gas-filled valve (11) is 28.
Wherein gas-filled valve (11) is selected from silicone tube, pvc pipe, polyfluortetraethylene pipe or metallic hose.
Wherein fly-ash separator entrance mounting temperature sensor (2) and cold gas entrance (3).
Wherein the inside of pneumatic head is provided with pressure transmitter (14).
The present invention compared with prior art has following outstanding advantage:
1, have a short break to gas-filled valve air feed between employing, cause the interval of gas-filled valve to shake, and then the clear ash of drive filter bag shake, avoid employing pulse gas and filter bag is directly sprayed destruction that is grey clearly and that may produce;
2, apparatus of the present invention structure is simple, and only gas-filled valve is movable parts, and cost of manufacture is low, and operation and maintenance cost is lower;
3, the gas-filled valve of the present invention is that changeable type is connected on gas panel together with pneumatic head, coordinates pressure transmitter, can accurately locate damaged gas-filled valve and repair and replacement rapidly.
Accompanying drawing explanation
Fig. 1 is the front view of fly-ash separator of the present invention.
Fig. 2 is the three-dimensional perspective of pneumatic head under non-inflation situation.
Fig. 3 is the three-dimensional perspective of pneumatic head under inflation situation.
Fig. 4 is the three-dimensional perspective of the coated pneumatic head of filter cloth under inflation situation.
Fig. 5 is the vertical view of gas panel.
Wherein, 1 fly-ash separator entrance, 2 temperature sensors, 3 cold gas entrances, 4 cone-shaped bodys, 5 ash buckets, 6 air distribution plates, entrance of having a short break between 7, plate on 8 gas panels, 9 gas panel lower plates, 10 pneumatic heads, 11 gas-filled valves, 12 filter bags, 13 fly-ash separator outlets, 14 pressure transmitters, 15 housings, 16 outer walls, 17 inwalls, 18 outer wall threads, 19 inner threads, 20 top boards, 21 inflation mouths.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1, dusty gas is entered by fly-ash separator entrance 1, after entrance, the gas of horizontal flow turns into rotary gas in cone-shaped body 4, and it will rotate around fly-ash separator limit wall and move downward, under the influence of centrifugal force, macrobead in gas can be separated, and falls into ash bucket 5; The arranging of cone-shaped body effectively alleviates particle in gas and the abrasion of gas-filled valve 11 and filter bag 12 is impacted. And particle that cannot be separated can continue motion with gas, gas constantly moves to cone-shaped body 4 center and lower end simultaneously, can transfer upwards motion when gas reaches cone-shaped body 4 times ends and become inward turning gas. Inward turning gas rotates from cone-shaped body 4 center and upwards moves. The gas upwards moved is after air distribution plate 6, upwards enter within filter bag 12 with lower flow velocity, more uniform gas form through the through hole of gas panel, particle in gas is trapped by filter bag 12, and purified gas 13 leaves fly-ash separator by the fly-ash separator outlet of filter bag 12 above fly-ash separator. During filtering, being filled with gas in gas-filled valve 11, the gas-filled valve of aerification keeps standing upright state, and many gas-filled valves together constitute a bag cage, the bag cage stood upright supports filter bag to complete filter progress, and filter bag adopts technique of the prior art to be fixed on pneumatic head 10.
With further reference to Fig. 1,2,5. The two ends of gas-filled valve 11 seal with the inflation mouth 21 that two on pneumatic head 10 are relative respectively and are connected. Pneumatic head 10 is made up of outer wall 16, inwall 17 and top board 20, and the top of outer wall, the top of inwall are connected with inner ring respectively with the outer shroud of the top board of annular, and outer wall 16, inwall 17 and top board 20 constitute the inflation fluid-space. Top board is evenly distributed with even number inflation mouth 21 facing each other, the many gas-filled valves 11 that length is equal are sealedly connected on inflation mouth 21, equally distributed gas-filled valve 11 constitutes a bag cage, selecting to adopt 4 gas-filled valve composition bag cages, all the other inflation mouths not inserting gas-filled valve can adopt suitable plug seal.
Pneumatic head 10 is sealably coupled on gas panel, and gas panel periphery is tightly connected with shell of dust remover. Gas panel comprises plate 8 and gas panel lower plate 9 on gas panel, and on gas panel, plate 8 and gas panel lower plate 9 constitute plenum space, gas panel is respectively equipped with corresponding through hole in plate 8 and gas panel lower plate 9, for installing pneumatic head. Pneumatic head outer wall 16 times ends and pneumatic head inwall 17 times ends are respectively equipped with the first screw thread 18 and the 2nd screw thread 19, first screw thread 18 is connected with plate on gas panel 8 through hole helixseal, and the 2nd screw thread 19 connects with the through hole helixseal in gas panel lower plate 9. When sack cleaner carries out dedusting work, between have a short break entrance 7 close, like this, on gas panel, plate 8, gas panel lower plate 9, pneumatic head, gas-filled valve together constitute a relatively airtight plenum space, wherein being filled with gas, therefore gas-filled valve can keep the state of standing upright.
Certainly, the mode of connection of pneumatic head and gas panel can also adopt other modes, injects the means such as buckle-type, is equipped with corresponding sealing element, can both be applied among the present invention to replace the connection of screw-type.
Fly-ash separator works to be needed to carry out ashman's work after for some time, when ashman does, between entrance 7 of having a short break open, with between supply source (not shown) of having a short break be connected, supply source of having a short break is had a short break between being supplied to the relatively airtight plenum space that plate on gas panel 8, gas panel lower plate 9, pneumatic head, gas-filled valve are formed jointly by entrance 7 of having a short break. When air feed, aerification in gas-filled valve, gas-filled valve keeps standing upright state (Fig. 3), when non-air feed, gas-filled valve keeps relative relaxation state (Fig. 2), gas-filled valve keeps the interval deformed state inflate-do not inflated-inflate under an effect having a short break, the interval deformation of gas-filled valve also makes its filter bag supported that interval deformation occurs equally, interval deformation fast causes the shake of filter bag, under this shake effect, on filter bag, the particle of attachment is shaken de-attached, falls into the ash bucket below sack cleaner, and filter bag completes ash clearly. Clear ash completes inflate in backward plenum space and entrance 7 of having a short break between closing, and gas-filled valve 11 enters the state of standing upright, and to support, filter bag completes filtration.
It is provided with pressure transmitter 14 in the inside of each pneumatic head, it can pressure condition in each pneumatic head of Real-Time Monitoring, just can determine that fault have occurred in corresponding pneumatic head and gas-filled valve when the reading of certain pressure transmitter occurs abnormal, just can locate fault pneumatic head rapidly to change.
The material of gas-filled valve 11 is silicone tube, naturally it is also possible to select the material that pvc pipe, polyfluortetraethylene pipe, metallic hose etc. are high temperature resistant, corrosion-resistant, can have certain deformation.
Certainly, in order to protect gas-filled valve further, can at fly-ash separator entrance mounting temperature sensor 2; when the temperature detecting ash-laden gas is higher than the tolerable temperature of gas-filled valve 11; the cold gas entrance 3 of ingress can be opened, lead to into cold gas in dusty gas, reduce gas temperature.
Although describe the technical scheme of the present invention above in conjunction with specific embodiment, but the present invention is not limited to this embodiment, when the principle and the instruction that do not change the present invention, those skilled in the art can make multiple remodeling and modification within the scope of the invention.
Claims (5)
1. a sack cleaner, comprise fly-ash separator entrance (1), fly-ash separator outlet (13), air distribution plate (6), plate (8) on gas panel, gas panel lower plate (9), pneumatic head (10), gas-filled valve (11), filter bag (12), it is characterized in that: inflation mouths (21) sealing that two on same pneumatic head (10) are relative respectively of the two ends of gas-filled valve (11) is connected, pneumatic head (10) is by outer wall (16), inwall (17) and top board (20) composition, the top of outer wall, the top of inwall is connected with inner ring respectively with the outer shroud of the top board of annular, outer wall (16), inwall (17) and top board (20) constitute the inflation fluid-space, top board is evenly distributed with even number inflation mouth (21) facing each other, the many gas-filled valves (11) that length is equal are sealedly connected in inflation mouth (21), equally distributed gas-filled valve (11) constitutes a bag cage, bag cage overcoat has filter bag, pneumatic head outer wall (16) lower end and pneumatic head inwall (17) lower end are respectively equipped with the first screw thread (18) and the 2nd screw thread (19), first screw thread (18) is connected with plate on gas panel (8) through hole helixseal, and the 2nd screw thread (19) connects with the through hole helixseal in gas panel lower plate (9),
The airtight plenum space that on gas panel, plate (8), gas panel lower plate (9), pneumatic head (10), gas-filled valve (11) are formed jointly, on gas panel, shell of dust remover between plate (8) and gas panel lower plate (9) is had a short break between being provided with entrance (7), between have a short break entrance (7) with between supply source of having a short break be connected, supply source of having a short break is inflated to plenum space by entrance (7) of having a short break;
Fly-ash separator entrance (1) lower section is cone-shaped body (4), and cone-shaped body (4) bottom is hopper, is provided with air distribution plate (6) at fly-ash separator entrance (1) and gas panel lower plate (9).
2. sack cleaner according to claim 1, wherein the quantity of gas-filled valve (11) is 28.
3. sack cleaner according to claim 1, wherein gas-filled valve (11) is selected from silicone tube, pvc pipe, polyfluortetraethylene pipe or metallic hose.
4. sack cleaner according to claim 1, wherein fly-ash separator entrance mounting temperature sensor (2) and cold gas entrance (3).
5. sack cleaner according to claim 1, wherein the inside of pneumatic head is provided with pressure transmitter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234615.5A CN104826417B (en) | 2015-05-11 | 2015-05-11 | A kind of sack cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234615.5A CN104826417B (en) | 2015-05-11 | 2015-05-11 | A kind of sack cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104826417A CN104826417A (en) | 2015-08-12 |
| CN104826417B true CN104826417B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510234615.5A Expired - Fee Related CN104826417B (en) | 2015-05-11 | 2015-05-11 | A kind of sack cleaner |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801122A (en) * | 2015-05-12 | 2015-07-29 | 北京化工大学常州先进材料研究院 | Dust cleaning method of bag type dust remover |
| CN104826418A (en) * | 2015-05-13 | 2015-08-12 | 北京化工大学常州先进材料研究院 | Using method for bag type dust collector |
| CN106621656A (en) * | 2016-11-22 | 2017-05-10 | 郑州经度知识产权代理服务有限公司 | Dissolved gas water curtain type bag-type dust collector |
| CN108079682A (en) * | 2017-12-25 | 2018-05-29 | 安徽威达环保科技股份有限公司 | The offline calcium carbide burner gas dry-dedusting system of valveless |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4356011A (en) * | 1981-05-26 | 1982-10-26 | Allis-Chalmers Corporation | Pocket filter assembly |
| CN202387321U (en) * | 2011-12-15 | 2012-08-22 | 上海城建物资有限公司 | Gas box pulse bag type dust collector |
| CN104069696A (en) * | 2014-07-23 | 2014-10-01 | 江苏宝华环保科技有限公司 | Bag-type dust collector with bag-type dust collecting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008093644A (en) * | 2006-10-10 | 2008-04-24 | Koumura Techno:Kk | Bag filter |
| JP2009022892A (en) * | 2007-07-20 | 2009-02-05 | Nippon Pure Tec Kk | Air filter unit |
-
2015
- 2015-05-11 CN CN201510234615.5A patent/CN104826417B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4356011A (en) * | 1981-05-26 | 1982-10-26 | Allis-Chalmers Corporation | Pocket filter assembly |
| CN202387321U (en) * | 2011-12-15 | 2012-08-22 | 上海城建物资有限公司 | Gas box pulse bag type dust collector |
| CN104069696A (en) * | 2014-07-23 | 2014-10-01 | 江苏宝华环保科技有限公司 | Bag-type dust collector with bag-type dust collecting device |
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| CN104826417A (en) | 2015-08-12 |
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Granted publication date: 20160601 |