CN201470241U - Dedusting device for sonic-wave cloth bag - Google Patents
Dedusting device for sonic-wave cloth bag Download PDFInfo
- Publication number
- CN201470241U CN201470241U CN2009201964333U CN200920196433U CN201470241U CN 201470241 U CN201470241 U CN 201470241U CN 2009201964333 U CN2009201964333 U CN 2009201964333U CN 200920196433 U CN200920196433 U CN 200920196433U CN 201470241 U CN201470241 U CN 201470241U
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- Prior art keywords
- air
- sound
- sack cleaner
- type dust
- bag
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- Expired - Lifetime
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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
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
- B01D46/762—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations involving sonic or ultrasonic waves
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A dedusting device for a sonic-wave cloth bag comprises bag-type dust removers with sonic-wave ash removers, wherein the sonic-wave ash removers are arranged on the top part and four side surfaces of the bag-type dust remover, and adjacent sides thereof are arranged at intervals to form a spiral vibration sonic wave; the bag-type dust removers are symmetrically arranged at the left side and the right side of a bypass valve respectively, the upper part of a valve plug of the bypass valve is communicated with an air inlet, and the lower part thereof is communicated with an air outlet; when the valve plug moves, a channel between the air inlet and the air outlet can be closed or communicated; an upper channel of the air inlet is provided with an air inlet control valve, and a lower channel thereof is provided with an air outlet control valve; and the air inlet control valve and the air outlet control valve are respectively provided with a pressure difference transmitter and a temperature sensor and connected with a PLC control system. The dedusting device has the advantages of good cleaning effect for dust gathered on a cloth bag, and simultaneously good use reliability, safety and economic life.
Description
Technical field
The utility model relates to a kind of fume dust remover technical field, relates in particular to a kind of sound-wave bag-type dust removal device.
Background technology
At present, be extensive use of the sound-wave bag-type dust removal device of multiple pattern both at home and abroad.For example China Patent No. 200820109478.8 discloses a kind of " sound wave ashing sack cleaner " utility model patent, and it is a kind of sound wave ashing sack cleaner that utilizes sound wave ash cleaner, air quantity control butterfly valve and dust-removal cloth-bag that moisture height, viscosity dust big, fine size are gathered dust.The structure of this sound wave ashing sack cleaner comprises acoustic wave soot blower, cloth bag and cloth bag framework, deduster air outlet, deduster casing, star-like unloading valve, receipts ash ash bucket, described acoustic wave soot blower is positioned at the top of described deduster casing, described air inlet is connected with described receipts ash bucket, and described deduster air outlet is connected with described deduster casing cloth bag top.This China Patent No. 200820109478.8 " sound wave ashing sack cleaner " is simple in structure, easy to use.
Yet, the weak point of above-mentioned China Patent No. 200820109478.8 " sound wave ashing sack cleaner " utility model patent is that a described acoustic wave soot blower in top that is positioned at described deduster casing only is set, the effect that influence is cleared up the dust that is amassed on the cloth bag; Next is can not effectively protect the damage of sack cleaner being filtered cloth bag when too high or filtration pressure difference is excessive when flue-gas temperature, thereby dependability and security are relatively poor.
The utility model content
Technical problem to be solved in the utility model is the situation at prior art, provide a kind of system layout rationally, the good sound-wave bag-type dust removal device that has good dependability, security and economic life again of cloth bag dust cleaning effect.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of sound-wave bag-type dust removal device, comprise sack cleaner with a plurality of cloth bags, this sack cleaner is provided with acoustic wave soot blower, this sack cleaner bottom is provided with the receipts ash ash bucket of band unloading valve, this sack cleaner is provided with flue gas air inlet and air outlet, this air outlet with dedusting after flue gas discharge through chimney by an air-introduced machine;
It is characterized in that: described acoustic wave soot blower is set to a plurality of acoustic wave soot blowers, and they are separately positioned on the top and four sides of described sack cleaner.
Preferably, described acoustic wave soot blower is arranged on 4 at the top, four sides of described sack cleaner that longitudinal separation ground is provided with each 3 or 4 respectively between every sides adjacent, and the fore-and-aft distance of this adjacent spaces is approximately 300～400 millimeters; On four sides between the sides adjacent compartment of terrain be provided with 14 acoustic wave soot blowers altogether; Its effect is to form helical form vibration sound wave, produces the effect of greatly dust that is amassed on the cloth bag being cleared up; Soot particle and flue gas move to ash bucket in the same way simultaneously, can the reentrainment soot particle.
Described sack cleaner is symmetricly set on the and arranged on left and right sides of a by-passing valve respectively, constitutes one group of sound-wave bag-type dust removal device; The spool top of described by-passing valve is connected with the deduster air inlet of described and arranged on left and right sides, and the spool bottom of described by-passing valve is connected with the deduster air outlet of described and arranged on left and right sides; The passage between described and arranged on left and right sides deduster air inlet and the air outlet can be closed or be communicated with to described spool upwards or when mobile down.
The utility model by-passing valve function is can send the described by-passing valve of signal manipulation automatically when too high or pressure reduction is excessive when flue-gas temperature to open automatically, makes its ash-laden gas without filtering cloth bag, discharges and directly enter chimney by air outlet; Like this, but the filtration cloth bag of protecting cloth bag dust collector be not damaged; Dependability and security have been improved widely; Simultaneously, described by-passing valve is provided with the described sound-wave bag-type dust removal device of many groups; Should the same described by-passing valves of many group shared connections of sound-wave bag-type dust removal device, to realize the effect of the most effective control.
Described flue gas air inlet can be connected with the upper channel of described sack cleaner, is provided with the air intake control valve between this upper channel and the described flue gas air inlet; Described deduster air outlet can be connected with the lower channel of described sack cleaner, is provided with the air-out control valve between this lower channel and the described air outlet.Described air intake control valve is in order to isolated flue gas or regulate the distribution of flue gas in sack cleaner; The air-out control valve in order to isolated flue gas or after regulating dedusting flue gas by air-introduced machine from the chimney discharge rate; Its effect is by the control to air intake control valve and air-out control valve, to realize that cloth bag is online or to shut down the purpose of deashing operation down.
Preferably, described flue gas air inlet can place described air outlet top, can make full use of flue gas precipitation under low speed, to improve dust removing effects.
Described upper channel can be provided with the inlet pressure sensing head of pressure difference transmitter; Described lower channel can be provided with the outlet pressure sensing head of pressure difference transmitter; The inlet pressure sensing head of described pressure difference transmitter, outlet pressure sensing head can be connected with the PLC control system.This inlet pressure sensing head and this outlet pressure sensing head are in order to the pressure difference between online detection gas approach and the outlet, in order to realize regulating according to described pressure difference the deashing frequency and the duration of acoustic wave soot blower.
Described air inlet is provided with an EAT sensor, and described air outlet is provided with a leaving air temp sensor, and described EAT sensor, described leaving air temp sensor are connected with described PLC control system.
Described acoustic wave soot blower can be connected with a sound wave solenoid control; This magnetic valve is connected with described PLC control system.Its effect is when deduster drops to the pressure difference of certain setting, this closed electromagnetic valve, and acoustic wave soot blower quits work, and deduster works on, circulation is carried out.
Described acoustic wave soot blower can be connected with an air accumulator by the compressed air piping of porch, and it provides the kinetic energy of described acoustic wave soot blower.
Described air accumulator is provided with Pressure gauge and pressure regulator, and this pressure regulator is connected with described PLC control system, with the rated operating pressure of control compressed air piping.
The utility model is owing to adopt a plurality of acoustic wave soot blowers, they are separately positioned on the top and four sides of described sack cleaner, and the compartment of terrain is provided with respectively between every sides adjacent, thereby forms helical form vibration sound wave, produces the effect of greatly dust that is amassed on the cloth bag being cleared up; Simultaneously soot particle and flue gas move to ash bucket in the same way, can the reentrainment soot particle;
Compared with prior art, its advantage is to have good cloth bag dust cleaning effect, has desirable operational reliability, security and economic life simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the configuration mode schematic diagram that the utlity model has many group sound-wave bag-type dust removal devices;
Fig. 3 is four side expanded views of the utility model sack cleaner, and acoustic wave soot blower shown in it is longitudinally proceeding row row mode on four sides;
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, comprise the sack cleaner 1 of being with cloth bag 11, this sack cleaner is provided with a plurality of acoustic wave soot blowers 15, the advantage of acoustic wave soot blower in deashing work, can not bring air and moisture content into cloth bag, and variation that can formation temperature during deashing.There is band unloading valve 14 the sack cleaner bottom and receives ash bucket 4.
This sack cleaner 1 is provided with flue gas air inlet 2 and air outlet 3, air outlet with dedusting after flue gas discharge from chimney 22 by air-introduced machine 21; Flue gas air inlet 2 places air outlet 3 tops, can make full use of flue gas precipitation under low speed, to improve dust removing effects.
The utility model sack cleaner 1 is symmetricly set on the and arranged on left and right sides of by-passing valve 9 respectively, constitutes one group of sound-wave bag-type dust removal device.Spool 91 tops of by-passing valve are connected with the deduster air inlet 2 of and arranged on left and right sides, and this spool bottom is connected with the deduster air outlet 3 of and arranged on left and right sides; Upper and lower when mobile when spool, promptly close or get through the air inlet of and arranged on left and right sides deduster and the passage between the air outlet, as shown in Figure 1.
Air inlet 2 is connected with the upper channel 13 of sack cleaner, is provided with air intake control valve 7 between this upper channel and the air inlet, the distribution in sack cleaner with isolated cigarette or adjusting flue gas; Air outlet is connected with the lower channel 5 of sack cleaner, is provided with air-out control valve 8 between this lower channel and the air outlet; Discharge from chimney 22 by air-introduced machine 21 with flue gas after isolated cigarette or the adjusting dedusting.By control, to realize that cloth bag is online or to shut down deashing down to air intake control valve 7 and air-out control valve 8.
Air intake control valve 7 can adopt electronic or pneumatic control with air-out control valve 8.
The upper channel place is provided with the inlet pressure sensing head of pressure difference transmitter 18; Lower channel is provided with the outlet pressure sensing head of pressure difference transmitter 18; Above inlet pressure sensing head and outlet pressure sensing head be in order to the pressure difference between online detection gas approach and the outlet, and connect control by the PLC control system.In order to realize regulating the deashing frequency and the duration of acoustic wave soot blower according to described pressure difference.
Air inlet also is provided with EAT sensor 26, and air outlet also is provided with a leaving air temp sensor 27, and above EAT sensor, leaving air temp sensor connect control by described PLC control system.
Each sack cleaner of the utility model is set to 18 acoustic wave soot blowers 15, they are separately positioned on 4 at the top, four sides of sack cleaner, and longitudinal separation ground is provided with 3 or 4 respectively between every sides adjacent, this adjacent longitudinal separation distance L=300～400 millimeters, as shown in Figure 3; Like this, on four sides between the sides adjacent compartment of terrain be provided with 14 acoustic wave soot blowers altogether, the compartment of terrain is provided with and forms helical form vibration sound wave between the sides adjacent, produces the effect of greatly dust that is amassed on the cloth bag being cleared up; Soot particle and flue gas move to ash bucket in the same way simultaneously, can the reentrainment soot particle.
Acoustic wave soot blower 15 is provided with sound wave generation magnetic valve; This magnetic valve and described PLC control system control connection.Acoustic wave soot blower is connected with an air accumulator 17 by the compressed air piping of porch, and it provides the kinetic energy of acoustic wave soot blower.Compressed air makes 15 vibrations of mechanical type acoustic wave soot blower send sound wave, public address tube through acoustic wave soot blower amplifies again, form low frequency high energy vibration ripple, the dust that is amassed on the cloth bag is cleared up, when deduster dropped to the pressure difference of certain setting, control sound wave generation magnetic valve 10 cut out, and acoustic wave soot blower 15 quits work, and deduster works on, and circulation is carried out.
Air accumulator is provided with Pressure gauge 12 and pressure regulator 16, and this pressure regulator is connected with described PLC control system.This pressure regulator produces continuous work sound wave to guarantee acoustic wave soot blower 15.Pressure regulator is regulated the compressed air pressure scope between 0.5MPa～0.7MPa.
The utility model is provided with three groups of described sound-wave bag-type dust removal devices; These three groups of same by-passing valves of the shared connection of sound-wave bag-type dust removal device, as shown in Figure 2.
The course of work of this sound-wave bag-type dust removal device is such:
Ash-laden gas in the boiler is to enter filtration cloth bag 11 by card hole, cloth bag upper end by top air inlet 2 again by the upper channel 13 that air intake control valve 7 enters sack cleaner 1, this ash-laden gas is purified after filtering in filtering cloth bag 11, dust in flue gas is delayed on the inner surface that filters cloth bag 11 and low speed precipitates down, because under the self gravitation effect of described dust, heavier or bigger dust granules then directly falls into ash bucket 4.
This ash-laden gas behind cloth bag 11 filtration, purifications, is discharged from lower air outlet 3 by the lower channel 5 of sack cleaner 1 after filtration.
Described boiler is continuing under the operating mode, increasing dust in flue gas can be delayed at the inner surface of the filtration cloth bag 11 of sack cleaner, thereby cause flue gas circulating resistance (being pressure difference) to increase, when this ash-laden gas circulating resistance reaches setting value, the PLC control system is sent control signal, makes acoustic wave soot blower 15 start working; At first, the PLC control system is sent control signal and is opened to trigger sound wave generation magnetic valve 10, then compressed air enters acoustic wave soot blower 15 through pipeline 6 by magnetic valve 10, this acoustic wave soot blower 15 sends frequency of sound wave, carry out rapping to filtering the dust that adheres on the cloth bag, this dust falls into the deduster bottom and enters ash bucket 4 by cloth bag bottom orifice plate 23, by conveying equipment the dust that falls into is transported again.Simultaneously, the clean flue gas after the filtration enters lower channel 5, and enters air-introduced machine 21 again through chimney 22 discharges by air outlet 3.
After the acoustic wave soot blower dedusting, when ash-laden gas circulating resistance (being pressure difference) reduced to setting, the PLC control system is sent control signal closed magnetic valve 10, and acoustic wave soot blower 15 quits work, and sack cleaner 1 recovers original state work.
When the utility model is closed when by-passing valve 9, ash-laden gas is to enter filtration cloth bag 11 by top air inlet 2 by the upper channel 13 that air intake control valve 7 enters sack cleaner 1, and the air-out control valve 8 by lower channel 5 after filtering enters air-introduced machine 21 again through chimney 22 discharges by air outlet 3.
When by-passing valve 9 was opened, ash-laden gas needn't enter sack cleaner 1, was connected between air inlet 2 and the air outlet 3, and ash-laden gas directly enters air-introduced machine 21 again through chimney 22 discharges by air outlet 3.
The utility model by-passing valve function is when flue-gas temperature too high (greater than 280 ℃), pressure reduction excessive (greater than 2000Pa) and when the outlet temperature sensor 27 of the wind-warm syndrome degree sensor 26 of top air inlet and lower air outlet 3 sends signal, described by-passing valve 9 is promptly opened automatically, make its ash-laden gas without filtering cloth bag, discharge and directly enter chimney by air outlet; Like this, but the filtration cloth bag of protecting cloth bag dust collector be not damaged.
Air intake control valve 7 is the usefulness that is used to realize off-line ash-clearing and on-bne repair with air-out control valve 8.
According to the scale of dust constaining tolerance, this uses the configuration mode of three groups of sound-wave bag-type dust removal devices, and these three groups of same by-passing valves 9 of the shared connection of sound-wave bag-type dust removal device are to realize the effect of the most effective control.
Claims (9)
1. sound-wave bag-type dust removal device, comprise sack cleaner (1) with a plurality of cloth bags (11), this sack cleaner (1) is provided with acoustic wave soot blower, this sack cleaner (1) bottom is provided with the receipts ash ash bucket (4) of band unloading valve (14), this sack cleaner (1) is provided with flue gas air inlet (2) and air outlet (3), this air outlet (3) is discharged by air-introduced machine (21) clean flue gas after the dedusting through chimney (22), it is characterized in that: described acoustic wave soot blower is set to a plurality of acoustic wave soot blowers (15), and these a plurality of acoustic wave soot blowers (15) are arranged on the top and four sides of described sack cleaner (1).
2. sound-wave bag-type dust removal device according to claim 1, it is characterized in that: described a plurality of acoustic wave soot blowers (15) are separately positioned on four sides of 4 at the top of described sack cleaner (1), described sack cleaner (1) respectively that longitudinal separation ground respectively is provided with 3 or 4 between sides adjacent, and this adjacent longitudinal separation distance is 300～400 millimeters; This acoustic wave soot blower (15) thus the compartment of terrain is provided with and forms helical form vibration sound wave between the sides adjacent.
3. sound-wave bag-type dust removal device according to claim 1, it is characterized in that: described deduster air inlet (2) is connected with the upper channel (13) of described sack cleaner (1), is provided with air intake control valve (7) between this upper channel (13) and the described deduster air inlet (2); Described deduster air outlet (3) is connected with the lower channel (5) of described sack cleaner (1), is provided with air-out control valve (8) between this lower channel (5) and the described air outlet (3).
4. sound-wave bag-type dust removal device according to claim 3 is characterized in that: described upper channel (13) is provided with pressure difference transmitter (18) inlet pressure sensing head; Described lower channel (5) is provided with pressure difference transmitter (18) outlet pressure sensing head; The inlet pressure sensing head of described pressure difference transmitter (18) is connected with the PLC control system with the outlet pressure sensing head.
5. sound-wave bag-type dust removal device according to claim 3, it is characterized in that: described air inlet (2) is provided with an EAT sensor (26), described air outlet (3) is provided with a leaving air temp sensor (27), and described EAT sensor (26), described leaving air temp sensor (27) are connected with described PLC control system.
6. sound-wave bag-type dust removal device according to claim 3 is characterized in that: described sack cleaner (1) is symmetricly set on the and arranged on left and right sides of a by-passing valve (9) respectively, constitutes one group of sound-wave bag-type dust removal device; Spool (91) top of described by-passing valve (9) is connected with the air inlet (2) of described and arranged on left and right sides deduster, and spool (91) bottom of described by-passing valve (9) is connected with the air outlet (3) of described and arranged on left and right sides deduster; The air inlet (2) of described and arranged on left and right sides deduster and the passage between the air outlet (3) can be closed or be communicated with to described spool (91) upwards or when mobile down.
7. according to claim 2 or 4 described sound-wave bag-type dust removal devices, it is characterized in that: described acoustic wave soot blower (15) connects a sound wave magnetic valve (10); This magnetic valve (10) is connected with described PLC control system.
8. sound-wave bag-type dust removal device according to claim 7 is characterized in that: described acoustic wave soot blower (15) is connected with an air accumulator (17) by the compressed air piping (6) of porch, and it provides the kinetic energy of described acoustic wave soot blower (15).
9. according to claim 4 or 8 described sound-wave bag-type dust removal devices, it is characterized in that: described air accumulator (17) is provided with Pressure gauge (12) and pressure regulator (16), and this pressure regulator (16) is connected with described PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201964333U CN201470241U (en) | 2009-09-09 | 2009-09-09 | Dedusting device for sonic-wave cloth bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201964333U CN201470241U (en) | 2009-09-09 | 2009-09-09 | Dedusting device for sonic-wave cloth bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201470241U true CN201470241U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201964333U Expired - Lifetime CN201470241U (en) | 2009-09-09 | 2009-09-09 | Dedusting device for sonic-wave cloth bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201470241U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2581125A1 (en) * | 2011-10-14 | 2013-04-17 | General Electric Company | Device and method for cleaning baghouse filters |
| CN106621601A (en) * | 2016-12-10 | 2017-05-10 | 三汽车制造有限公司 | Dust remover, dust-removing system and asphalt station |
| CN110523172A (en) * | 2019-08-27 | 2019-12-03 | 贵州大学 | A kind of source PM2.5 particlate trap system and its tele-control system |
| CN110523173A (en) * | 2019-08-27 | 2019-12-03 | 贵州大学 | A kind of source PM2.5 particlate trap system redundancy structure and control system |
-
2009
- 2009-09-09 CN CN2009201964333U patent/CN201470241U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2581125A1 (en) * | 2011-10-14 | 2013-04-17 | General Electric Company | Device and method for cleaning baghouse filters |
| CN106621601A (en) * | 2016-12-10 | 2017-05-10 | 三汽车制造有限公司 | Dust remover, dust-removing system and asphalt station |
| CN110523172A (en) * | 2019-08-27 | 2019-12-03 | 贵州大学 | A kind of source PM2.5 particlate trap system and its tele-control system |
| CN110523173A (en) * | 2019-08-27 | 2019-12-03 | 贵州大学 | A kind of source PM2.5 particlate trap system redundancy structure and control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090909 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090909 |