CN110975504A - Drum formula whirlwind sack cleaner - Google Patents
Drum formula whirlwind sack cleaner Download PDFInfo
- Publication number
- CN110975504A CN110975504A CN202010133434.4A CN202010133434A CN110975504A CN 110975504 A CN110975504 A CN 110975504A CN 202010133434 A CN202010133434 A CN 202010133434A CN 110975504 A CN110975504 A CN 110975504A
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- dust collector
- dust
- box body
- fan
- air outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Abstract
The invention discloses a cylindrical cyclone bag-type dust collector, which mainly relates to the technical field of dust collecting equipment and comprises an overhaul sealing cover, a box body and an ash bucket, wherein the box body is provided with a dust collector air inlet and a dust collector air outlet, a fan air inlet is arranged in the box body and opposite to the dust collector air outlet, the top of the overhaul sealing cover is provided with a fan air outlet, the fan air outlet and the fan air inlet are connected with a fan, the lower part of the dust collector air outlet in the box body is provided with a pore plate, a bag cage is arranged on the pore plate and is externally provided with a plurality of filter bags, the inner wall of the box body is provided with a spiral dust baffle plate, the bag cage passes through the spiral dust baffle plate and extends to the middle position of the dust collector air inlet, the fan air outlet is connected with a blowing main pipe, the blowing branch pipe connects the blowing main pipe to the interior of each filter, can treat high-concentration dusty gas, and the desorption is efficient, and the system operation is stable.
Description
Technical Field
The invention mainly relates to the technical field of dust removing equipment, in particular to a cylindrical cyclone bag-type dust remover.
Background
For the treatment of particulate matter, the treatment techniques currently prevailing in the art include: bag dust collector, electrostatic precipitator, wet electrostatic precipitator, cyclone dust collector, water film dust collector. The bag-type dust collector is suitable for small, medium and large power plants, various boilers, tunnel kilns and the like, when dust-containing gas with large particle size is received, the bag is easy to wear, the pressure drop loss of flue gas is large, and the basic pressure loss is 1200 pa. The electrostatic dust collector is greatly influenced by the operation conditions such as gas temperature and the like, is not suitable for the flue gas with the temperature of 140-. The wet electrostatic precipitator is suitable for a wet method and has certain electric quantity loss. The dust removal efficiency of the cyclone dust collector and the water film dust collector is low, generally 60-80%, and the ultra-low emission standard cannot be reached.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide the cylindrical cyclone bag-type dust collector which is high in particulate matter removal efficiency and stable in operation and aims at treating small smoke gas quantity of a small-load boiler.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a drum formula cyclone sack cleaner, is including overhauing closing cap, box, ash bucket, its characterized in that: the dust collector comprises a box body, and is characterized in that a dust collector air inlet is arranged on the side face of the lower portion of the box body, a dust collector air outlet is arranged on the other side face of the upper portion of the box body, a fan air inlet is arranged in the box body and is arranged right opposite to the dust collector air outlet, a fan air outlet is arranged at the top of an overhauling sealing cover, the fan air outlet and the fan air inlet are connected with a fan, a hole plate is arranged in the box body and on the lower portion of the dust collector air outlet, a bag cage is mounted on the hole plate, a plurality of filter bags are arranged outside the hole plate, a spiral dust guard plate is arranged on the inner wall of the box body, the bag cage penetrates through the spiral dust guard plate to extend to the middle position of the dust collector air inlet, a blowing main pipe is connected with.
As a further improvement of the invention, the blowing main pipe and the blowing branch pipe are connected by a flange, and the blowing branch pipe and the blowing small branch pipe are connected by threads.
As a further improvement of the invention, the cross section of the spiral dust baffle adopts a triangular design, the upper part adjusts dust-containing airflow, and the lower part can complement and collect particles to assist the particles to fall.
As a further improvement of the invention, the fan adopts a high-pressure centrifugal fan,
as a further improvement of the invention, a filter screen is arranged at the air inlet of the fan.
As a further improvement of the invention, the flow guiding device is arranged spirally, so that the airflow rotates in the cylinder section.
As a further improvement of the invention, the maintenance cover covers are arranged above the box body and are uniformly distributed according to angles, and six maintenance cover covers are arranged.
As a further improvement of the invention, the middle joint position of the box body and the ash bucket is supported by an upright post.
As a further improvement of the invention, a manhole is arranged on the side wall of the ash bucket, and a star-shaped discharger is arranged below the ash bucket.
Compared with the prior art, the invention has the beneficial effects that:
(1) the cylindrical cyclone bag-type dust collector provided by the invention can be suitable for treating particulate matters in smoke at the temperature of 140-200 ℃ under various working conditions, and is high in dust removal efficiency and stable in system operation.
(2) The cylindrical cyclone bag-type dust collector provided by the invention can remove dust-containing gas in a targeted manner when a boiler is started under the conditions of low load, normal load and full load, avoids the conditions of pressure holding, under-pressure and the like, can treat smoke from starting to full load operation, and realizes efficient dust collection.
(3) The cylindrical cyclone bag-type dust collector provided by the invention can reduce the consumption of electric quantity in the operation process, prolong the service life of the filter bag, operate stably, and effectively avoid the exceeding of particulate matters, wherein the air leakage rate of the body is less than or equal to 1%.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a cylindrical cyclone bag-type dust collector of the present invention;
FIG. 2 is a schematic diagram of the construction of an orifice plate according to the present invention;
in the figure: 1, air outlet of a fan; 2, a fan; 3, an air inlet of a fan; 4, blowing and pipe distribution; 5 blowing the small branch pipe; 6, a bag cage; 7, filtering bags; 8, an air inlet of a dust remover; 9, overhauling the sealing cover; 10 blowing the mother pipe; 11 air outlet of dust remover; 12 spiral dust board; 13, a box body; 14 ash buckets; 15 air cannon mounting support; 16 upright posts; 17 a flow guide device; 18 manholes; 19 a star discharger; 20-hole plate; 21 nozzle.
Detailed Description
For better understanding of the technical solutions and advantages of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and specific embodiments, it should be understood that the specific embodiments described herein are only for the understanding of the present invention and are not intended to limit the present invention, and all other embodiments obtained by those of ordinary skill in the art without any inventive work are within the scope of the present invention.
Fig. 1 and 2 show an embodiment of the present invention, and a cylindrical cyclone bag-type dust collector includes an inspection cover 9, a box 13, and an ash bucket 14, and is characterized in that: a dust collector air inlet 8 is arranged on the side surface of the lower part of the box body 13, a dust collector air outlet 11 is arranged on the other side surface of the upper part of the box body 13, a fan air inlet 3 is arranged in the box body 13 and opposite to the dust collector air outlet 11, a fan air outlet 1 is arranged at the top of the maintenance sealing cover 9, the fan air outlet 1 and the fan air inlet 3 are connected with a fan 2, a pore plate 20 is arranged in the box body 13 and at the lower part of the dust collector air outlet 11, a bag cage 6 is mounted on the pore plate 20 and externally provided with a plurality of filter bags 7, a spiral dust baffle plate 12 is arranged on the inner wall of the box body 13, the cross section of the spiral dust baffle plate 12 is designed in a triangular shape, dust-containing air flow is adjusted at the upper part, particulate matters can be supplemented at the lower part, auxiliary particulate matters fall down, the bag cage 6 passes through the spiral dust baffle plate 12 and extends to the middle position, the main blowing pipe 10 and the branch blowing pipe 4 are connected through flanges, the branch blowing pipe 4 and the small blowing branch pipe 5 are connected through threads, a nozzle 21 is arranged on the small blowing branch pipe 5, a flow guide device 17 is arranged in the ash bucket 14, the flow guide device 17 is arranged in a spiral mode, air flow rotates in a cylinder section, an air cannon mounting support 15 is mounted on the side wall of the ash bucket 14, a manhole 18 is mounted on the side wall of the ash bucket 14, and a star-shaped discharger 19 is mounted below the ash bucket 14.
The box body 13 and the ash bucket 14 are supported by a vertical column 16 at the middle joint position.
The dust remover inlet 8 adopts a tangential air inlet mode, original flue gas can be formed into rotary airflow, an air inlet adopts tangential entry, airflow tangential velocity is high, and particulate matters can be separated.
The outlet 11 of the dust remover adopts a tangential outlet mode, so that the tangential speed of the clean flue gas can be increased, the clean flue gas can be discharged in time, and certain resistance is avoided.
The air inlet 8 of the dust collector is original smoke, the air outlet 11 of the dust collector is clean smoke, the dust collector is used for separating, dedusting and filtering dust by the bag cage 6, the filter bag 7, the dust baffle 7 and the like, the filter bag 7 of the bag cage 6 is arranged on the pore plate 20, the bag cage 6 and the filter bag 7 are designed conventionally by adopting a bag-type dust collector without special ordering, the size of the filter bag 7 is matched with that of the bag cage 6, namely, the size of the bag cage 6 is slightly smaller than that of the filter bag 7, and the filter bag 7 is sleeved outside the bag cage and then hung on the pore plate 20. The blower 2, the blowing main pipe 10, the blowing branch pipe 4 and the blowing small branch pipe 5 are blowing systems, the source of smoke is filtered clean smoke, a filter screen and other protection measures are additionally arranged at an air inlet 3 of the blower, and ash hoppers 14, a flow guide device 17, a star-shaped discharger 19 and other devices are ash discharging devices.
The inner wall of the box body is provided with a spiral dust-blocking plate 12, the design is carried out according to the direction of flue gas flow and the characteristics of flue gas components, the cross section of the spiral dust-blocking plate 12 is triangular, the dust-containing air flow is adjusted above the spiral dust-blocking plate, particulate matters can be supplemented and collected below the spiral dust-blocking plate, the falling of the particulate matters is assisted, when the dust-containing air enters the inlet of the dust remover and passes through the spiral dust-blocking plate 12, the dust-containing air flow is changed into rotary motion in a linear operation mode, dust particles are separated from the air flow and collected on the wall of the box body by.
The blowing mode adopts a fan 2 for blowing, the fan 2 is an important matched device of the dust remover, a high-pressure centrifugal fan is selected, the technical characteristics of low air quantity, high air pressure and compact structure are utilized, the dust remover is suitable for blowing and dust removing, and the blowing air quantity accounts for about 15-20% of the processing air quantity.
The fan air outlet 1 and the pipeline are arranged above the pore plate by 20, each filter bag 7 is corresponding, each small blowing branch pipe is provided with 15-20 blowing nozzles 21, each filter bag 7 can be blown, and the filter bags 7 are vibrated to shake off filter cakes.
The maintenance closing cap 9 is arranged above the dust remover and used for installing the filter bag and maintaining the dust remover, and 6 maintenance closing caps are arranged according to the uniform distribution of the angles.
The dust removal mode utilizes the filter bag for filtration, utilizes the centrifugal force of original flue gas for dust removal, and is effectively combined, the original flue gas temperature during low-load operation when the boiler is started is 140-200 ℃, the original concentration of particulate matters is lower, the content of particulate matters in dust-containing gas is lower, cyclone dust removal can not play a significant role, the cyclone dust removal process is less, and the bag dust removal process plays a greater role at the moment, so that the particulate matters are treated. After the dust-containing gas enters the air inlet 11 of the dust remover, the particles attached to the spiral dust baffle plate 12 are less, the fine dust rises and diffuses along with the air flow, fine filtration is carried out through the filter bag 7, the dust is blocked at the outer side of the filter bag 7, and the purified smoke passes through the inner cavity of the filter bag 7, enters the upper purification chamber and is discharged from the outlet of the dust remover.
When the boiler reaches normal load and full load operation, the original smoke temperature is 140-. The dust-containing gas enters the air inlet of the dust remover and tangentially enters the box body, the linear motion of the dust-containing gas flow is converted into circular motion, the change of the gas flow direction can cause dust collision, dust particles with the density larger than that of the gas collide with the dust blocking block and the inner wall of the box body, the dust particles lose the inertia force and fall along the wall surface and the dust blocking block, the dust particles rotate to enter the dust hopper, the dust hopper 14 comprises a flow guide device 17 which guides and isolates the dust to avoid the blockage phenomenon, the dust hopper 14 is a cone, the cone is circular and gradually shrinks, when the gas flow reaches a certain part of the dust hopper, the gas flow continuously rotates in the same rotating direction from bottom to top until the dust-containing gas flow is purified, but the finer dust cannot be purified, wherein the finer dust rises and diffuses along with the gas flow, and is finely filtered by the filter bag 7, and the dust is blocked outside the filter bag 7, the clean flue gas passes through the inner cavity of the filter bag, enters the upper purifying chamber and is discharged from the outlet of the dust remover. However, the resistance of the dust collector is correspondingly increased along with the accumulation of the dust layer by layer on the outer side of the filter bag 7, and the filter bag 7 is blown to vibrate to shake off the filter cake.
The dust removal, the ash removal and the pressure drop are linked, in the operation process of the dust remover, a dust layer can be accumulated on the outer side of the filter bag, when the resistance reaches a set value, the blowing fan 2 is automatically started, the filter bag 7 vibrates, and a filter cake shakes off; when the resistance of the filter bag 7 is reduced to a set lower limit, the blowing fan 2 stops working, and dust removal, ash removal and dust receiving of the dust remover are realized.
The invention also provides a bag dust removal and cyclone dust removal combined dust removal process, which comprises the following processing steps:
a. the cyclone dust removal process is less in utilization when the boiler is started and runs at a low load (the original smoke temperature is 140-.
b. When the boiler operates under normal load (the original flue gas temperature is 140-.
c. When the boiler is operated at full load (the original smoke temperature is 140-200 ℃, and the original concentration of particulate matters is higher), most of dust removal treatment is carried out by cyclone dust removal, and then cloth bag dust removal is carried out.
The gas flow linear motion of the dust-containing gas is changed into circular motion by utilizing centrifugal force, and the smoke dust losing the inertia force falls down along the box body; filtering the dust-containing gas by using a filter bag, wherein the dust is retained on the surface of the filter bag, and the clean air is discharged through gaps of the filter material; the ash removal mode adopts a blowing fan and a blowing pipeline for blowing; the dust removal characteristics of the bag-type dust remover and the cyclone dust remover are combined, so that the particles are filtered quickly, and the particle removal rate is high.
The cylindrical cyclone bag-type dust collector can be automatically controlled through a PLC/DCS according to the pressure value.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention. Therefore, the scope of the invention should not be limited by the above description, but should be determined by the following claims and their equivalents.
Claims (9)
1. The utility model provides a drum formula cyclone sack cleaner, includes maintenance closing cap (9), box (13), ash bucket (14), its characterized in that: the dust collector is characterized in that a dust collector air inlet (8) is arranged on the side face of the lower portion of the box body (13), a dust collector air outlet (11) is arranged on the other side face of the upper portion of the box body (13), a fan air inlet (3) is arranged in the box body (13) and in the front face of the dust collector air outlet (11), a fan air outlet (1) is arranged at the top of the maintenance sealing cover (9), the fan air outlet (1) and the fan air inlet (3) are connected with a fan (2), a pore plate (20) is arranged in the box body (13) and on the lower portion of the dust collector air outlet (11), a bag cage (6) is installed on the pore plate (20), a plurality of filter bags (7) are externally arranged, a spiral dust blocking plate (12) is arranged on the inner wall of the box body (13), the bag cage (6) penetrates through the spiral dust blocking plate (12) to extend to the middle position of the dust collector air inlet (8), the fan air outlet (1) is The device comprises a small blowing branch pipe (5), a nozzle (21), a flow guide device (17) arranged in an ash bucket (14), and an air cannon mounting support (15) arranged on the side wall of the ash bucket (14).
2. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: the blowing main pipe (10) is connected with the blowing branch pipe (4) by a flange, and the blowing branch pipe (4) is connected with the blowing small branch pipe (5) by a thread.
3. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: the cross section of the spiral dust guard (12) is designed to be triangular, dust-containing airflow is adjusted above the spiral dust guard, and particulate matters can be collected and assisted to fall below the spiral dust guard.
4. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: the fan (2) adopts a high-pressure centrifugal fan.
5. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: and a filter screen is arranged at the air inlet (3) of the fan.
6. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: the flow guiding device (17) is arranged spirally, so that the airflow rotates in the cylinder section.
7. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: the maintenance closing cap (9) is arranged above the box body (13) and is provided with six parts according to the uniform distribution of angles.
8. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: the middle joint position of the box body (13) and the ash bucket (14) is supported by an upright post (16).
9. The cylindrical cyclone bag-type dust collector according to claim 1, wherein: a manhole (18) is arranged on the side wall of the ash hopper (14), and a star-shaped discharger (19) is arranged below the ash hopper (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133434.4A CN110975504A (en) | 2020-03-02 | 2020-03-02 | Drum formula whirlwind sack cleaner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133434.4A CN110975504A (en) | 2020-03-02 | 2020-03-02 | Drum formula whirlwind sack cleaner |
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| Publication Number | Publication Date |
|---|---|
| CN110975504A true CN110975504A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010133434.4A Pending CN110975504A (en) | 2020-03-02 | 2020-03-02 | Drum formula whirlwind sack cleaner |
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| CN (1) | CN110975504A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888848A (en) * | 2020-09-03 | 2020-11-06 | 清华大学 | Coated particle preparation production line and gas-solid separation device thereof |
| CN112337244A (en) * | 2020-10-25 | 2021-02-09 | 山东天智信息科技有限公司 | Dust-containing waste gas degradation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110106966A (en) * | 2010-03-24 | 2011-09-30 | 한국에너지기술연구원 | Cyclone-bag house equipped with filter protection guide |
| CN201997218U (en) * | 2011-01-17 | 2011-10-05 | 南通市煌埔机械制造有限公司 | Double-effect long-service-life type dust remover |
| CN204093257U (en) * | 2014-09-26 | 2015-01-14 | 无锡七点建材有限公司 | Coating raw material powder collecting device |
| CN207591503U (en) * | 2017-10-17 | 2018-07-10 | 郑州鼎力新能源技术有限公司 | A kind of New trunk deduster |
| CN108465337A (en) * | 2018-07-02 | 2018-08-31 | 武汉中智德远科技开发有限公司 | A kind of double vertical channel formula ash-laden gas washing controlling device |
| CN208244363U (en) * | 2018-03-13 | 2018-12-18 | 云南吴觉农茶业有限公司 | A kind of tea processing workshop dust separation system |
| CN208742192U (en) * | 2018-06-14 | 2019-04-16 | 肇庆乐华陶瓷洁具有限公司 | A kind of cyclone dust collector |
| CN209405964U (en) * | 2018-12-30 | 2019-09-20 | 江苏云净环保设备有限公司 | Bag filter |
-
2020
- 2020-03-02 CN CN202010133434.4A patent/CN110975504A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110106966A (en) * | 2010-03-24 | 2011-09-30 | 한국에너지기술연구원 | Cyclone-bag house equipped with filter protection guide |
| CN201997218U (en) * | 2011-01-17 | 2011-10-05 | 南通市煌埔机械制造有限公司 | Double-effect long-service-life type dust remover |
| CN204093257U (en) * | 2014-09-26 | 2015-01-14 | 无锡七点建材有限公司 | Coating raw material powder collecting device |
| CN207591503U (en) * | 2017-10-17 | 2018-07-10 | 郑州鼎力新能源技术有限公司 | A kind of New trunk deduster |
| CN208244363U (en) * | 2018-03-13 | 2018-12-18 | 云南吴觉农茶业有限公司 | A kind of tea processing workshop dust separation system |
| CN208742192U (en) * | 2018-06-14 | 2019-04-16 | 肇庆乐华陶瓷洁具有限公司 | A kind of cyclone dust collector |
| CN108465337A (en) * | 2018-07-02 | 2018-08-31 | 武汉中智德远科技开发有限公司 | A kind of double vertical channel formula ash-laden gas washing controlling device |
| CN209405964U (en) * | 2018-12-30 | 2019-09-20 | 江苏云净环保设备有限公司 | Bag filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888848A (en) * | 2020-09-03 | 2020-11-06 | 清华大学 | Coated particle preparation production line and gas-solid separation device thereof |
| CN112337244A (en) * | 2020-10-25 | 2021-02-09 | 山东天智信息科技有限公司 | Dust-containing waste gas degradation device |
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Application publication date: 20200410 |