CN111558266A - Automatic dust removal equipment for flue gas treatment - Google Patents
Automatic dust removal equipment for flue gas treatment Download PDFInfo
- Publication number
- CN111558266A CN111558266A CN202010551798.4A CN202010551798A CN111558266A CN 111558266 A CN111558266 A CN 111558266A CN 202010551798 A CN202010551798 A CN 202010551798A CN 111558266 A CN111558266 A CN 111558266A
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- dust removal
- dust
- cloth bag
- cavity
- cavities
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- 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
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- 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
- B01D46/90—Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses automatic dust removal equipment for flue gas treatment, which comprises a hollow shell, an air inlet pipe and an air outlet pipe, wherein the interior of the shell is divided into more than two dust removal cavities by a partition plate, the bottom of each dust removal cavity is respectively provided with a dust removal mechanism, the lower end of each dust removal cavity is provided with an ash removal channel, the air inlet pipe is respectively communicated with the bottoms of the dust removal cavities, the air outlet pipe is respectively communicated with the tops of the dust removal cavities, and one end of the air outlet pipe, which is far away from the dust removal cavities; the dust removal mechanism comprises a supporting plate, a dust removal cloth bag and a lifting support, the supporting plate is horizontally fixed at the bottom of the dust removal cavity, a plurality of rows of fixing columns for mounting the dust removal cloth bag are arranged on the upper surface of the supporting plate at intervals, the fixing columns are of hollow column structures, and central through holes of the fixing columns penetrate through the lower surface of the supporting plate; the lifting support is arranged above the supporting plate in a liftable mode, the lower end of the dust removal cloth bag is connected with the fixing column, the upper end of the dust removal cloth bag is fixedly connected with the lifting support, and the opening of the dust removal cloth bag faces downwards and is communicated with the central through hole of the fixing column.
Description
Technical Field
The invention relates to the technical field of smoke dust treatment equipment, in particular to automatic dust removal equipment for smoke treatment.
Background
A large amount of dust-containing waste gas is discharged from a boiler in the using process, the air pollution is caused by direct discharge, and the dust removal modes of the boiler waste gas mainly comprise water film dust removal, electrostatic dust removal and pulse dust removal at present; the water film dedusting is to filter smoke and dust by water mist atomization and stamping, but secondary water pollution can be caused in the using process; the electrostatic dust collection is divided into a dry type and a wet type: a. the dry electrostatic dust collection is to catch smoke and dust by a high-voltage cathode and anode, but in the using process, the cathode and anode catch dust, the smoke has certain pressure, and once the electrode is unstable and loses effect under super-negative pressure, secondary pollution can be caused to air; b. wet static electricity: the smoke and dust are captured by water mist atomization and a high-voltage cathode and anode, but the water mist atomization can cause secondary pollution in the using process; and pulse dust collecting equipment adopts the air exhauster to pump away the dust when the dust in the sack is clear away to needs, but because the dust is very light, the air exhauster is taken out dust absorption in-process dust and is raised easily and return to in the dust removal sack under the wind-force effect, therefore the deashing is unsatisfactory, and the deposition is serious, arouses to block up, leads to the air volume not enough, influences the deashing effect.
The existing flue gas dust removal equipment has unsatisfactory dust removal effect, and often needs to be shut down when dust accumulation in a cloth bag needs to be removed, and the boiler tail gas cannot be continuously subjected to dust removal and filtration treatment under the condition of only adopting one dust removal equipment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides automatic dust removal equipment for flue gas treatment.
The technical scheme of the invention is as follows:
the automatic dust removal equipment for flue gas treatment comprises a hollow shell, an air inlet pipe and an air outlet pipe, wherein the interior of the shell is divided into more than two dust removal cavities by a partition plate, the bottom of each dust removal cavity is respectively provided with a dust removal mechanism, the lower end of each dust removal cavity is provided with an ash removal channel, the air inlet pipe is respectively communicated with the bottoms of the dust removal cavities and is positioned below the dust removal mechanisms, the air outlet pipe is respectively communicated with the tops of the dust removal cavities, and one end, far away from the dust removal cavities, of the air outlet pipe is provided; the dust removal mechanism comprises a supporting plate, a dust removal cloth bag and a lifting support, the supporting plate is horizontally fixed at the bottom of the dust removal cavity, a plurality of rows of fixing columns for mounting the dust removal cloth bag are arranged on the upper surface of the supporting plate at intervals, the fixing columns are of hollow cylinder structures, and central through holes of the fixing columns penetrate through the lower surface of the supporting plate; the lifting support is arranged above the supporting plate in a liftable mode, the lower end of the dust removal cloth bag is connected with the fixing column, the upper end of the dust removal cloth bag is fixedly connected with the lifting support, and the opening of the dust removal cloth bag faces downwards and is communicated with the central hole of the fixing column.
The border of backup pad upper surface sets up many square pipes, square pipe and the inner wall connection of dust removal cavity in order to realize fixed to the backup pad.
The lifting support comprises a square frame, support bars and a lifting connecting plate, wherein the square frame corresponds to the fixed columns at the edge of the support plate, a support bar is arranged in the square frame corresponding to each row of the fixed columns, the lifting connecting plate is arranged above the central position of the square frame, the corners of the lifting connecting plate are fixedly connected with the square frame through connecting rods, the bottom surface of the lifting connecting plate is fixed through the support bars, the lifting connecting plate is connected with a lifting cylinder, and the lifting cylinder is arranged at the top of the dust removal cavity.
The dust removal cloth bag is detachably connected with the fixed column through a hoop.
The dust removal channel is of a conical structure with a large upper part and a small lower part, the bottom end of each dust removal channel is provided with a solenoid valve I, a solenoid valve II is arranged in an air inlet corresponding to each dust removal cavity, a solenoid valve III is arranged in an air outlet corresponding to each dust removal cavity, the air inlet pipe is communicated with the dust removal cavities through the air inlet, and the air outlet pipe is communicated with the dust removal cavities through the air outlet.
And the outer side wall of the dust removal cavity is provided with a vibration motor.
The invention has the beneficial effects that:
1. a plurality of dust removal cavities are separated into by the partition plates in the shell, when dust in one of the dust removal cavities needs to be removed, other dust removal cavities can continue to collect dust and exhaust, even if dust is required to be shaken for one of the dust removal cloth bags, the air inlet pipe does not need to be cut off, the dust removal fan does not need to be turned off, the dust collection cavities can collect dust and shake dust alternately, and the dust removal equipment can work continuously.
2. According to the dust removing device, the opening of the dust removing cloth bag faces downwards, when dust in the dust removing cloth bag needs to be removed, the air inlet and the air outlet of the corresponding dust removing cavity are closed, the dust in the dust removing cloth bag can freely fall into the dust removing channel under the action of gravity, the lifting support can lift up and down for several times, the dust shaking effect is generated when the dust removing cloth bag lifts and retracts, the dust removing cloth bag is compressed when the lifting support descends to generate the dust compressing effect, so that the dust in the dust removing cloth bag is cleaned more thoroughly, and the phenomenon that the dust accumulation of the dust removing cloth bag seriously affects the ventilation effect in the dust removing cavity is avoided.
Drawings
FIG. 1 is an assembly view of the interior of a housing of a dust removing device according to the present invention;
FIG. 2 is a schematic structural view of the orientation of the air inlet pipe of the dust removing device of the present invention;
FIG. 3 is a schematic view of the structure of the outlet pipe of the dust removing device of the present invention;
FIG. 4 is a schematic view of the assembly of the housing of the dust removing device and the ash removal channel of the present invention with the air inlet facing;
FIG. 5 is a schematic view of the housing of the dust removing device and the ash removal channel of the present invention assembled with the outlet facing;
FIG. 6 is a schematic structural view of a supporting plate of the dust removing device of the present invention;
FIG. 7 is a schematic structural view of a lifting bracket of the dust removing device of the present invention;
FIG. 8 is a schematic view showing the assembly of the support plate, the dust collecting bag and the lifting bracket of the dust collecting apparatus according to the present invention;
FIG. 9 is a schematic view of the housing of the dust removing device of the present invention viewed from the bottom;
the numbers and corresponding structure names in the figure are as follows:
1-shell, 2-air inlet pipe, 3-air outlet pipe, 4-clapboard, 5-dedusting cavity, 6-deashing channel, 7-exhaust fan, 8-support plate, 9-dedusting cloth bag, 10-lifting support, 11-fixed column, 12-central through hole, 13-square pipe, 14-square frame, 15-support strip, 16-lifting connecting plate, 17-connecting rod, 18-support rod, 19-lifting cylinder, 20-clamp, 21-vibrating motor, 22-air inlet, 23-air outlet.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The automatic dust removing equipment for flue gas treatment shown in fig. 1-9 comprises a hollow shell 1, an air inlet pipe 2 and an air outlet pipe 3, wherein the interior of the shell is divided into more than two dust removing cavities 5 by a partition plate 4, the bottom of each dust removing cavity 5 is respectively provided with a dust removing mechanism, the lower end of each dust removing cavity is provided with an ash cleaning channel 6, the air inlet pipe 2 is respectively communicated with the bottoms of the dust removing cavities 5, the air inlet pipe is positioned below the dust removing mechanisms, the air outlet pipe 3 is respectively communicated with the tops of the dust removing cavities 5, and one end of the air outlet pipe 3, which is far away from the dust; the dust removal mechanism comprises a supporting plate 8, a dust removal cloth bag 9 and a lifting support 10, wherein the supporting plate 8 is horizontally fixed at the bottom of a dust removal cavity, a plurality of rows of fixing columns 11 for mounting the dust removal cloth bag are arranged on the upper surface of the supporting plate 8 at intervals, the fixing columns are of hollow column structures, and central through holes 12 of the fixing columns penetrate through the lower surface of the supporting plate 8; the lifting support 10 is arranged above the supporting plate 8 in a lifting manner, the lower end of the dust removal cloth bag 9 is connected with the fixed column 11, the upper end of the dust removal cloth bag is fixedly connected with the lifting support 10, and the opening of the dust removal cloth bag 9 is communicated with the central through hole of the fixed column 11 downwards.
The border of 8 upper surfaces of backup pad sets up many square pipes 13, and square pipe 13 is connected in order to realize fixing the backup pad with the inner wall of dust removal cavity 5.
The dust removal cloth bag 9 is detachably connected with the fixed column through the hoop 20, so that the dust removal cloth bag is convenient to mount and dismount.
The dust cleaning channel 6 is of a conical structure with a large upper part and a small lower part, the bottom end of each dust cleaning channel 6 is provided with a solenoid valve I, a solenoid valve II is arranged in an air inlet 22 corresponding to each dust cleaning cavity, a solenoid valve III is arranged in an air outlet 23 corresponding to each dust cleaning cavity, an air inlet pipe is communicated with the dust cleaning cavities through the air inlet, and an air outlet pipe is communicated with the dust cleaning cavities through the air outlet.
The lateral wall of the dust removal cavity 5 is provided with a vibration motor 21 which is electrically connected with the system controller, the vibration time interval of the vibration motor is set, and in the working process, the vibration motor regularly vibrates to enable the lateral wall of the dust removal cavity to vibrate, the lateral wall of the dust removal cavity drives a supporting plate fixedly connected with the lateral wall of the dust removal cavity to vibrate, the vibration of the supporting plate achieves the effect of shaking the dust removal cloth bag, the dust is prevented from being fixedly adsorbed on the dust removal cloth bag to influence the exhaust effect of the dust removal cloth bag, and the exhaust in the dust removal process.
The working principle of the automatic dust removing equipment is as follows: the air inlet pipe 2 is connected with an exhaust passage of a boiler which can generate smoke dust, when the dust cleaning and removing work is to be carried out, the lifting cylinder 19 drives the lifting support 10 to lift upwards until the dust removing cloth bag 9 is straightened upwards, then the electromagnetic valve II of the air inlet 22 and the electromagnetic valve III of the air outlet 23 are opened, the electromagnetic valve I at the bottom end of the dust cleaning passage is closed, the exhaust fan 7 is opened, smoke enters the dust removing cloth bag 9 from the lower part of the support plate 8 through the central through hole 12 of the fixed column, dust particles are intercepted in the dust removing cloth bag, gas escapes from the dust removing cloth bag and is exhausted from the air outlet pipe 3 under the action of the exhaust fan 7, the electromagnetic valve I, the electromagnetic valve II and the electromagnetic valve III are electrically connected with a system controller, when dust in the dust removing cloth bag of a certain dust removing cavity needs to be removed, the electromagnetic valve II of, meanwhile, an electromagnetic valve I at the lower end of the dust removal channel below the dust removal cavity is opened, then a lifting cylinder 19 corresponding to the top of the dust removal cavity is started, the lifting cylinder drives a dust removal cloth bag 9 to descend downwards, dust in the dust removal cloth bag 9 loses the wind force of an exhaust fan 7 and then freely falls into the dust removal channel under the action of gravity, the dust is discharged from a dust removal channel 6, the lifting cylinder can repeatedly ascend and descend for several times, the dust in the dust removal cloth bag is cleared away as far as possible, then the electromagnetic valve I below the dust removal cavity is closed again, an electromagnetic valve II, an electromagnetic valve III and a dust removal fan are started, and the next round of dust removal operation is. When the dust in the dust removal cloth bag 9 is removed, the dust removal cylinder drives the dust removal cloth bag to repeatedly lift for several times to achieve the effect of shaking the dust, so that the dust in the dust removal cloth bag can be shaken off as much as possible, and the dust removal effect of the next round is smoother. After the dust removal of the dust removal cloth bag is finished, the electromagnetic valve I is closed again, so that falling dust can be prevented from being lifted upwards and entering the dust removal cloth bag.
Can set up the time interval of trembling the ash according to the dust concentration that the boiler produced, set up the time interval of trembling the ash after, system controller automatic control solenoid valve I, solenoid valve II and solenoid valve III's the frequency of starting and closing to realize automatic dust removal trembles the purpose of ash.
The shell is internally divided into a plurality of dust removal cavities by the partition boards, when dust in one of the dust removal cavities needs to be removed, the other dust removal cavity can continue to collect dust and exhaust, so that even if dust is required to be shaken for one of the dust removal cloth bags, the air inlet pipe does not need to be cut off and the dust removal fan does not need to be closed, the dust removal cavities can collect dust and shake dust alternately, and the dust removal equipment can work continuously.
According to the dust removing device, the opening of the dust removing cloth bag faces downwards, when dust in the dust removing cloth bag needs to be removed, the air inlet and the air outlet of the corresponding dust removing cavity are closed, the dust in the dust removing cloth bag can freely fall into the dust removing channel under the action of gravity, the lifting support can lift up and down for several times, the dust shaking effect is generated when the dust removing cloth bag lifts and retracts, the dust removing cloth bag is compressed when the lifting support descends to generate the dust compressing effect, so that the dust in the dust removing cloth bag is cleaned more thoroughly, and the phenomenon that the dust accumulation of the dust removing cloth bag seriously affects the ventilation effect in the dust removing cavity is avoided.
When the dust in the dust removal cloth bag is removed, the dust falls freely under the action of gravity, and the dust removal channel is closed after dust removal is finished, so that the problem that the dust flies up and returns to the dust removal cloth bag again due to air draft dust removal is solved.
Claims (6)
1. A automatic dust collecting equipment for flue gas is handled which characterized in that: the dust removal device comprises a hollow shell (1), an air inlet pipe (2) and an air outlet pipe (3), wherein the interior of the shell is divided into more than two dust removal cavities (5) by a partition plate (4), the bottom of each dust removal cavity (5) is provided with a dust removal mechanism, the lower end of each dust removal cavity is provided with an ash removal channel (6), the air inlet pipe (2) is communicated with the bottoms of the dust removal cavities (5) respectively, the air inlet pipe is positioned below the dust removal mechanisms, the air outlet pipe (3) is communicated with the tops of the dust removal cavities (5) respectively, and one end, far away from the dust removal cavities, of the air outlet pipe; the dust removal mechanism comprises a supporting plate (8), a dust removal cloth bag (9) and a lifting support (10), the supporting plate (8) is horizontally fixed at the bottom of the dust removal cavity, a plurality of rows of fixing columns (11) for mounting the dust removal cloth bag are arranged on the upper surface of the supporting plate (8) at intervals, the fixing columns are of hollow column structures, and central through holes (12) of the fixing columns penetrate through the lower surface of the supporting plate (8); the lifting support (10) is arranged above the supporting plate (8) in a lifting manner, the lower end of the dust removal cloth bag (9) is connected with the fixed column (11), the upper end of the dust removal cloth bag is fixedly connected with the lifting support (10), and the opening of the dust removal cloth bag (9) is communicated with the central through hole of the fixed column (11) downwards.
2. The automatic dust removal device for flue gas treatment according to claim 1, wherein: the border of backup pad (8) upper surface sets up many with square pipe (13), and square pipe (13) are connected in order to realize fixing the backup pad with the inner wall of dust removal cavity (5).
3. The automatic dust removal device for flue gas treatment according to claim 1, wherein: lifting support (10) including square frame (14), support bar (15) and lift connecting plate (16), square frame corresponds to the fixed column at backup pad (8) border, it sets up a support bar (15) to correspond to each row of fixed column (11) in square frame, central point at square frame (14) puts the top and sets up lift connecting plate (16), connecting rod (17) and square frame fixed connection are passed through to the corner of lift connecting plate (16), the bottom surface of lift connecting plate (16) supports through bracing piece (18), lift connecting plate (16) are connected with lift cylinder (19), the top at dust removal cavity (5) is installed in lift cylinder (19).
4. The automatic dust removal device for flue gas treatment according to claim 1, wherein: the dust removal cloth bag (9) is detachably connected with the fixed column through a hoop (20).
5. The automatic dust removal device for flue gas treatment according to claim 1, wherein: the dust cleaning channel (6) is of a conical structure with a large top and a small bottom, the bottom end of each dust cleaning channel (6) is provided with a solenoid valve I, an electromagnetic valve II is arranged in an air inlet (22) corresponding to each dust cleaning cavity, an electromagnetic valve III is arranged in an air outlet (23) corresponding to each dust cleaning cavity, an air inlet pipe is communicated with the dust cleaning cavities through the air inlet, and an air outlet pipe is communicated with the dust cleaning cavities through the air outlet.
6. The automatic dust removal device for flue gas treatment according to claim 1, wherein: and the outer side wall of the dust removal cavity (5) is provided with a vibration motor (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551798.4A CN111558266A (en) | 2020-06-17 | 2020-06-17 | Automatic dust removal equipment for flue gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551798.4A CN111558266A (en) | 2020-06-17 | 2020-06-17 | Automatic dust removal equipment for flue gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111558266A true CN111558266A (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010551798.4A Pending CN111558266A (en) | 2020-06-17 | 2020-06-17 | Automatic dust removal equipment for flue gas treatment |
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| Country | Link |
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| CN (1) | CN111558266A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112316583A (en) * | 2020-10-14 | 2021-02-05 | 涂永永 | Workshop ash removal device |
| CN114797304A (en) * | 2022-04-14 | 2022-07-29 | 高创建工股份有限公司 | Dust collector for construction |
| CN117205689A (en) * | 2023-10-31 | 2023-12-12 | 腾跃环保设备(泗县)有限责任公司 | Cloth bag dust remover |
-
2020
- 2020-06-17 CN CN202010551798.4A patent/CN111558266A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112316583A (en) * | 2020-10-14 | 2021-02-05 | 涂永永 | Workshop ash removal device |
| CN114797304A (en) * | 2022-04-14 | 2022-07-29 | 高创建工股份有限公司 | Dust collector for construction |
| CN114797304B (en) * | 2022-04-14 | 2024-04-26 | 高创建工股份有限公司 | Dust collector for construction |
| CN117205689A (en) * | 2023-10-31 | 2023-12-12 | 腾跃环保设备(泗县)有限责任公司 | Cloth bag dust remover |
| CN117205689B (en) * | 2023-10-31 | 2024-05-07 | 腾跃环保设备(泗县)有限责任公司 | Cloth bag dust remover |
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