CN112337210A - Bag collector with from deashing function - Google Patents
Bag collector with from deashing function Download PDFInfo
- Publication number
- CN112337210A CN112337210A CN202011230124.0A CN202011230124A CN112337210A CN 112337210 A CN112337210 A CN 112337210A CN 202011230124 A CN202011230124 A CN 202011230124A CN 112337210 A CN112337210 A CN 112337210A
- Authority
- CN
- China
- Prior art keywords
- box body
- dust
- bag
- communicated
- dust removal
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims abstract description 139
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 239000004071 soot Substances 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 15
- 238000004887 air purification Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003546 flue gas Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4254—Allowing or improving visual supervision, e.g. lamps, transparent parts, windows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a bag type dust collector with a self-dust-cleaning function, which comprises a dust collection box body, a gas purification box body and a dust container, an air inlet flue, an outlet flue, a dust blowing device, a plurality of filtering assemblies and a blowing assembly, wherein the dust collection box body, the gas purification box body and the dust container are sequentially arranged from top to bottom; the bottom of the dust removal box body is simultaneously communicated with the air purification box body and the dust container, and the air purification box body and the dust container are mutually independent and are not communicated; the air inlet flue is communicated with the dust removal box body; the outlet flue is simultaneously communicated with the gas purifying box body and the dust container; the soot blower is communicated with the dust removal box body; the filter assembly is arranged at the communication part of the dust removal box body and the gas purification box body and comprises a framework and a filter bag sleeved outside the framework, and the filter bag is positioned in the dust removal box body; the blowing component comprises an air bag, a pulse valve and a blowing pipe which are arranged from outside to inside in sequence, and the blowing pipe is communicated to the purified air box body. The invention realizes that the bag type dust collector utilizes the airflow to clean the dust on the surface of the filter bag while filtering the flue gas, so that the bag type dust collector can stably run for a long time with low resistance.
Description
Technical Field
The invention relates to the technical field of dust removing equipment, in particular to a bag type dust remover with a self-dust removing function.
Background
With the development of socioeconomic of China, the continuous progress of industry brings about more serious ecological environment pollution. In order to improve the ecological environment and improve the life quality of people, and simultaneously, in order to actively respond the national requirements of energy conservation, emission reduction and sustainable development, the dust of industrial enterprises needs to be strictly controlled. The bag type dust collector is used as a common purification device for treating particulate matters in industrial waste gas, and is widely applied to the fields of metallurgy, chemical industry, electric power, building materials, mines and the like. The working process of a common bag type dust collector is divided into two parts of gas dust collection and filter bag dust removal, when smoke passes through a filter bag, particulate matters are intercepted on the surface of the filter bag to form a powder cake layer, when the powder cake layer reaches certain resistance, pulse dust removal in a mode of going out of the bag from the inside of the bag needs to be carried out, the difference between the pressure inside and outside the filter bag is eliminated, and the system is enabled to operate stably.
The existing bag type dust collector has the problems of unobvious dust cleaning effect, short dust cleaning period, high difficulty in maintenance work, high energy consumption of an air source and the like. In response to these difficulties, the prior patents propose corresponding solutions, such as:
patent number CN110787550A proposes a bag type dust collector which can simultaneously carry out dust removal and dust removal, thereby avoiding the mutual influence between the dust removal and improving the dust removal efficiency and the dust removal effect; secondly, a novel bag-type dust collector is provided by a patent number CN108854295A, so that the problem that a primary dust layer cannot be effectively protected during dust removal is solved; patent No. CN111068424A proposes a pulse bag-type dust collector, which can conveniently disassemble the dust-collecting bag; patent No. CN111298534A proposes a bag collector blowback deashing device, can strengthen the blowback deashing effect of the device; the patent No. CN201921668548.8 proposes a cloth bag type pulse dust collector, which solves the problem that a large amount of dust is gathered together and is not easy to treat in the prior art, and reduces the operation difficulty of operators; the patent number CN201911334966.8 provides a nozzle structure and an ash removal system for a pulse ash removal system of a bag type dust collector, which can effectively control the direction of blowing air flow at a nozzle, thereby obtaining more uniform blowing ash removal effect and reducing the damage to a filter bag.
Although the above patent can achieve certain effect on the dust cleaning and maintenance work of the bag type dust collector, the problem that a part of complex structures are connected for improving the dust cleaning effect also exists, the occurrence points of faults are naturally increased, and the difficulty of maintenance is improved; in addition, due to the thinking and definition, the traditional filter bag generally considers that the surface resistance of the filter bag is increased when the traditional filter bag filters industrial flue gas, and the ash removal effect cannot be achieved.
Disclosure of Invention
The invention aims to provide a bag type dust collector with a self-dust-cleaning function, which realizes that the bag type dust collector utilizes airflow to clean the dust on the surface of a filter bag while filtering smoke, so that the bag type dust collector can stably run for a long time with low resistance.
In order to achieve the above purpose, the solution of the invention is:
a bag type dust collector with a self-dust-cleaning function comprises a dust collection box body, a gas purification box body and a dust container which are sequentially arranged from top to bottom, an air inlet flue, an outlet flue, a dust blowing device, a plurality of filtering assemblies and a blowing assembly; the bottom of the dust removal box body is simultaneously communicated with the air purification box body and the dust container, and the air purification box body and the dust container are mutually independent and are not communicated; the air inlet flue is communicated with the top of the dust removal box body; the outlet flue is simultaneously communicated with the gas purifying box body and the dust container; the soot blower is communicated with the bottom of the dust removal box body; the filter assembly is arranged at the communication position of the dust removal box body and the gas purification box body, and comprises a framework and a filter bag sleeved outside the framework, and the filter bag is positioned in the dust removal box body; the blowing assembly comprises an air bag, a pulse valve and a blowing pipe which are sequentially connected with the purified gas box body from outside to inside, and the blowing pipe is communicated to the purified gas box body.
The bottom of the dust removal box body is provided with a pattern plate, the pattern plate is horizontally arranged, a plurality of mounting holes and dust outlets are formed in the pattern plate, the mounting holes are communicated with the gas purification box body, the framework is mounted in the mounting holes, and the dust outlets are communicated with the dust container.
The area of the ash holes accounts for 30-60% of the total area of the pattern plate.
The dust removal box body is provided with an observation window.
The dust removal box body is provided with an access door, the access door is in pivot joint fit with the dust removal box body through a rotating shaft, and a handle is arranged on the outer surface of the access door.
The height of the access door is 20% -70% of the length of the filter bag.
The air inlet end of the soot blower is communicated with the outlet flue, the air outlet end of the soot blower is communicated with the dust removal box body, and an intelligent valve is arranged between the soot blower and the outlet flue.
The soot blowing frequency of the soot blower is set to 1 time/day to 24 times/day.
The filter bag is a chemical fiber filter bag, a rigid metal filter bag or a ceramic fiber filter tube.
After the technical scheme is adopted, the external structure of the dust removal box changes the mode that the traditional gas purification box body is positioned at the upper part of the dust removal box body, and the pulse type spraying component is arranged for a standby dust removal state, so that the energy consumption of a dust removal gas source is low, and the maintenance difficulty is reduced; structurally, the filter bag is installed in the dust removal box in handstand to the mode of going into down to go out is adopted to the air current direction, reselects with reasonable ash area and soot blower, makes the filter bag carry out the self-cleaning while filtering the flue gas, and the bottom dust of dust removal box is not remained, and the dust subsides effectually, and the deashing effect is showing and is improving, has guaranteed that bag collector can be long-time low resistance steady operation.
Drawings
FIG. 1 is a schematic external view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of a dust hole according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second embodiment of a dust hole according to an embodiment of the present invention;
the reference numbers illustrate: a dust removal box body 1; an observation window 11; an access door 12; a rotating shaft 13; a handle 14; a gas purification box body 2; a dust container 3; an air intake flue 4; an outlet flue 5; a soot blower 6; a filter assembly 7; a skeleton 71; a filter bag 72; a blowing assembly 8; a gas bag 81; a pulse valve 82; an injection pipe 83; a pattern plate 9; a mounting hole 91; an ash hole 92; a smart valve 10.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
The invention relates to a bag type dust collector with a self-dust-cleaning function, which comprises a dust collection box body 1, a gas purification box body 2 and a dust container 3, an air inlet flue 4, an outlet flue 5, a dust blowing device 6, a plurality of filtering assemblies 7 and a blowing assembly 8 which are arranged from top to bottom in sequence.
The bottom of the dust removal box body 1 is simultaneously communicated with the air purification box body 2 and the dust container 3, and the air purification box body 2 and the dust container 3 are mutually independent and not communicated;
the air inlet flue 4 is communicated with the top of the dedusting box body 1;
the outlet flue 5 is simultaneously communicated with the gas purifying box body 2 and the dust container 3;
the soot blower 6 is communicated with the bottom of the dust removal box body 1;
the filtering component 7 is arranged at the communication part of the dust removal box body 1 and the gas purification box body 2, and comprises a framework 71 and a filter bag 72 sleeved outside the framework 71, wherein the filter bag 72 is positioned in the dust removal box body 1;
the blowing component 8 comprises an air bag 81, a pulse valve 82 and a blowing pipe 83 which are sequentially connected with the clean air box body 2 from outside to inside, and the blowing pipe 83 is communicated to the clean air box body 2.
Referring to fig. 1-4, a specific embodiment of the present invention is shown.
The dust removal box body 1 is in a square, a cuboid or an irregular shape, the bottom of the dust removal box body is provided with the pattern plate 9, the pattern plate 9 is horizontally arranged, a plurality of mounting holes 91 and dust outlets 92 are formed in the pattern plate 9, the mounting holes 91 are communicated to the air purification box body 2, the framework 71 is mounted in the mounting holes 91, and the dust outlets 92 are communicated to the dust container 3. Referring to fig. 3 and 4, the ash discharging holes 92 may be formed in a regular shape such as a circular shape or a rectangular shape, or in an irregular shape, so that the ash discharging manner has higher practicability and operability, the ash discharging efficiency is improved, the number of complicated devices is reduced, and the ash removing effect is remarkable.
The area of the dust outlet holes 92 accounts for 30 to 60 percent of the total area of the pattern plate 9.
The dust removal box body 1 is provided with an observation window 11 so as to observe the internal condition of the dust removal box body 1 on site and deal with the treatment of emergency events.
The dust removing box body 1 is provided with an access door 12, the access door 12 is in pivot joint with the dust removing box body 1 through a rotating shaft 13, and the outer surface of the access door is provided with a handle 14. The height of the access door 12 can be reasonably selected according to the length of the filter bag 72, so that the filter bag 72 can be conveniently replaced or other maintenance work can be conveniently carried out, the efficiency of replacing the filter bag 72 is improved, and the maintenance difficulty is reduced.
The height of the access door 12 is 20-70% of the length of the filter bag 72.
The gas purifying box 2 is composed of laminates, is connected to the lower part of the mounting hole 91 and is communicated to the outlet flue 5 by the combination flue.
The air inlet end of the soot blower 6 is communicated with the outlet flue 5, the air outlet end of the soot blower is communicated with the dust removal box body 1, and an intelligent valve 10 is arranged between the soot blower 6 and the outlet flue 5. In this embodiment, the soot blowing frequency of the soot blower 6 is set to 1 time/day to 24 times/day, and is set according to the dust concentration of the industrial flue gas to be filtered.
The filter bag 72 is a chemical fiber filter bag, a rigid metal filter bag or a ceramic fiber filter tube to adapt to different complex working conditions.
Through the scheme, the external structure of the dust removal box changes the mode that the traditional gas purification box body 2 is positioned at the upper part of the dust removal box body 1, and the pulse type injection assembly 8 is arranged for a standby dust removal state, so that the energy consumption of a dust removal gas source is low, and the maintenance difficulty is reduced; structurally, the filter bag 72 is installed in the dust removal box 1 in an inverted mode, the airflow direction adopts the mode of going into down and going out, and the reselect is with reasonable ash area and soot blower 6, so that the filter bag 72 carries out self-cleaning while filtering flue gas, the bottom dust of the dust removal box 1 is not remained, the dust subsides effectually, the soot cleaning effect is showing and is improving, and the bag type dust remover can be long-time low resistance steady operation guaranteed.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (9)
1. The utility model provides a bag collector with from deashing function which characterized in that: the device comprises a dust removal box body, a gas purification box body and a dust container which are sequentially arranged from top to bottom, as well as an air inlet flue, an outlet flue, a soot blower, a plurality of filtering assemblies and a blowing assembly;
the bottom of the dust removal box body is simultaneously communicated with the air purification box body and the dust container, and the air purification box body and the dust container are mutually independent and are not communicated;
the air inlet flue is communicated with the top of the dust removal box body;
the outlet flue is simultaneously communicated with the gas purifying box body and the dust container;
the soot blower is communicated with the bottom of the dust removal box body;
the filter assembly is arranged at the communication position of the dust removal box body and the gas purification box body, and comprises a framework and a filter bag sleeved outside the framework, and the filter bag is positioned in the dust removal box body;
the blowing assembly comprises an air bag, a pulse valve and a blowing pipe which are sequentially connected with the purified gas box body from outside to inside, and the blowing pipe is communicated to the purified gas box body.
2. The bag-type dust collector with self-cleaning function as claimed in claim 1, wherein:
the bottom of the dust removal box body is provided with a pattern plate, the pattern plate is horizontally arranged, a plurality of mounting holes and dust outlets are formed in the pattern plate, the mounting holes are communicated with the gas purification box body, the framework is mounted in the mounting holes, and the dust outlets are communicated with the dust container.
3. The bag-type dust collector with self-cleaning function as claimed in claim 2, wherein:
the area of the ash holes accounts for 30-60% of the total area of the pattern plate.
4. The bag-type dust collector with self-cleaning function as claimed in claim 1, wherein:
the dust removal box body is provided with an observation window.
5. The bag-type dust collector with self-cleaning function as claimed in claim 1, wherein:
the dust removal box body is provided with an access door, the access door is in pivot joint fit with the dust removal box body through a rotating shaft, and a handle is arranged on the outer surface of the access door.
6. The bag-type dust collector with self-cleaning function as claimed in claim 5, wherein:
the height of the access door is 20% -70% of the length of the filter bag.
7. The bag-type dust collector with self-cleaning function as claimed in claim 1, wherein:
the air inlet end of the soot blower is communicated with the outlet flue, the air outlet end of the soot blower is communicated with the dust removal box body, and an intelligent valve is arranged between the soot blower and the outlet flue.
8. The bag-type dust collector with self-cleaning function as claimed in claim 7, wherein:
the soot blowing frequency of the soot blower is set to 1 time/day to 24 times/day.
9. The bag-type dust collector with self-cleaning function as claimed in claim 1, wherein:
the filter bag is a chemical fiber filter bag, a rigid metal filter bag or a ceramic fiber filter tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230124.0A CN112337210A (en) | 2020-11-06 | 2020-11-06 | Bag collector with from deashing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230124.0A CN112337210A (en) | 2020-11-06 | 2020-11-06 | Bag collector with from deashing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112337210A true CN112337210A (en) | 2021-02-09 |
Family
ID=74428513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011230124.0A Pending CN112337210A (en) | 2020-11-06 | 2020-11-06 | Bag collector with from deashing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112337210A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115531998A (en) * | 2022-09-27 | 2022-12-30 | 安徽华塑股份有限公司 | Special ceramic fiber pipe of carbide stove tail gas treatment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006119680A1 (en) * | 2005-05-08 | 2006-11-16 | Metallurgical Design Institute Of Shandong Province | Composite bag ash removal device |
| CN101716444A (en) * | 2009-12-12 | 2010-06-02 | 枣庄市邦众环保设备有限公司 | Compartmental static normal-pressure type pulse bag type dust remover |
| CN102657982A (en) * | 2012-05-04 | 2012-09-12 | 李鑫 | Positioning and back-blowing low-voltage pulse bag type dust remover and dust removing method thereof |
| CN103055617A (en) * | 2012-12-27 | 2013-04-24 | 东北大学 | Compartment stepping washing self-deashing bag-type dust remover and dust removing method |
| CN104208955A (en) * | 2013-05-29 | 2014-12-17 | 安徽威达环保科技股份有限公司 | Deduster provided with underlying blowing system and capable of clearing away ashes offline without offline valve |
| CN205042271U (en) * | 2015-09-08 | 2016-02-24 | 浙江吉天环保科技有限公司 | Self -cleaning dust collector |
| CN213995171U (en) * | 2020-11-06 | 2021-08-20 | 福州大学 | Bag collector with from deashing function |
-
2020
- 2020-11-06 CN CN202011230124.0A patent/CN112337210A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006119680A1 (en) * | 2005-05-08 | 2006-11-16 | Metallurgical Design Institute Of Shandong Province | Composite bag ash removal device |
| CN101716444A (en) * | 2009-12-12 | 2010-06-02 | 枣庄市邦众环保设备有限公司 | Compartmental static normal-pressure type pulse bag type dust remover |
| CN102657982A (en) * | 2012-05-04 | 2012-09-12 | 李鑫 | Positioning and back-blowing low-voltage pulse bag type dust remover and dust removing method thereof |
| CN103055617A (en) * | 2012-12-27 | 2013-04-24 | 东北大学 | Compartment stepping washing self-deashing bag-type dust remover and dust removing method |
| CN104208955A (en) * | 2013-05-29 | 2014-12-17 | 安徽威达环保科技股份有限公司 | Deduster provided with underlying blowing system and capable of clearing away ashes offline without offline valve |
| CN205042271U (en) * | 2015-09-08 | 2016-02-24 | 浙江吉天环保科技有限公司 | Self -cleaning dust collector |
| CN213995171U (en) * | 2020-11-06 | 2021-08-20 | 福州大学 | Bag collector with from deashing function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115531998A (en) * | 2022-09-27 | 2022-12-30 | 安徽华塑股份有限公司 | Special ceramic fiber pipe of carbide stove tail gas treatment |
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