CN201135836Y - Acoustic wave ash, coal gas removing bag type dust remover - Google Patents
Acoustic wave ash, coal gas removing bag type dust remover Download PDFInfo
- Publication number
- CN201135836Y CN201135836Y CN 200720138277 CN200720138277U CN201135836Y CN 201135836 Y CN201135836 Y CN 201135836Y CN 200720138277 CN200720138277 CN 200720138277 CN 200720138277 U CN200720138277 U CN 200720138277U CN 201135836 Y CN201135836 Y CN 201135836Y
- Authority
- CN
- China
- Prior art keywords
- valve
- sound wave
- deduster
- dust collector
- filter bag
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/24—Making use of acoustic waves, e.g. for measurements
Abstract
The utility model relates to a gas bag type acoustic wave deashing dust collector. A filter bag is installed on the baffle plate in the box body of the dust collector, an ash valve is installed on an ash discharging mouth at the bottom part of the box body, and the signal wires of pressure sensors in the inlet and the outlet openings of the box body are connected with a differential pressure controller; a sound wave guide tube is connected at the opening on the side wall of the box body in a sealing way, the other end of the sound wave guide tube is connected with a sound wave generator through a pneumatic ball valve, a normally closed solenoid valve is connected on the air inlet opening of the sound wave generator, an inlet valve is connected on the inlet opening of the dust collector, the working motor of the sound wave generator, the differential pressure controller and the inlet valve of the dust collector, the pneumatic ball valve, and the electronic control wire of the normally closed solenoid valve are all connected on the control mechanism. The dust collector has the advantages that the deashing effect is good, no damage is caused to the filter bag, the service life of the filter bag and the dust removal equipment can be prolonged, the maintenance and the repair are simple and convenient, the running cost is low, and the dust collector is harmless to the environment and the human body.
Description
Technical field
The utility model relates to a kind of industrial sack cleaner, specifically a kind of sound wave ashing coal gas bag-type dust remover.
Background technology
At present dust-laden coal gas being carried out the used equipment of purifying and dedusting mainly is sack cleaner.The structure of sack cleaner is that dividing plate is housed in casing, be lifted with some filter bags below the dividing plate, the ash discharging hole of bottom half is equipped with ash-valve, in the import of wall box and outlet pressure sensor is housed respectively, and the holding wire of two sensors is connected on the differential pressure controller.Sack cleaner is to the dust-laden coal gas that enters after filtration after the bag filtration, will adhere to dust on the filter bag surface and is on the increase, and filter capacity is constantly descended, and filtration resistance constantly rises, and has influenced the dedusting work of deduster.Therefore various sack cleaners all must be equipped with deashing device, in time to clean out the dust that sticks on the filter bag, make deduster recover normal dust collection capacity.
The purge mode that is adopted on sack cleaner mainly includes two types of anti-blow cleaning dust and pulse dust cleanings.The anti-blow cleaning dust mode all can produce certain influence to operate as normal, purified gas content, life-span of the filter bag, filtration load and the environmental pollution of deduster, and has the short defective of life of bag filter.The pulse dust cleaning mode is little to the float force that filter bag produced, and ash-removal effect is just undesirable.And the auxiliary equipment more complicated of these two kinds of soot cleaning systems, acquisition cost is all relative with operating cost higher.
The utility model content
The purpose of this utility model just provides a kind of low-frequency sound wave that utilizes coal gas bag-type dust remover is carried out the sound wave ashing coal gas bag-type dust remover of deashing, to overcome the deficiency that existing soot cleaning system exists, improves the ash-removal effect and the operating efficiency of coal gas bag-type dust remover.
The utility model is achieved in that a kind of sound wave ashing coal gas bag-type dust remover, in the casing of deduster, dividing plate is housed, be lifted with some filter bags below the dividing plate, on the ash discharging hole of bottom half, ash-valve is installed, in the import of wall box and outlet pressure sensor is housed respectively, the holding wire of two sensors is connected to differential pressure controller; Lower sidewall at casing is provided with opening, and at the opening part acoustic waveguide tube that is tightly connected, the other end of acoustic waveguide tube connects sonic generator through pneumatic ball valve, is connected to normally closed solenoid valve on the air inlet of sonic generator; In the import of deduster, be connected to the deduster imported valve; The electrical control lines of the work drive motor of sonic generator, differential pressure controller and deduster imported valve, pneumatic ball valve and normally closed solenoid valve all is connected on the controlling organization.
Operation principle of the present utility model is: send low-frequency sound wave by sonic generator, this low-frequency sound wave imports by acoustic waveguide tube in the casing of deduster, forms the high strength sound field.Under the large amplitude oscillation action of this high strength sound field, the interfibrous adhesion of adhesion, dust particle and filter bag in the filter bag dust stratification layer between dust particle and the surface tension of dust stratification layer etc. all can decrease.Afterwards, " acoustic fatigue " phenomenon will occur in the effect regular hour (Millisecond is to a second level), make the grey piece fragmentation on the filter bag dust stratification layer, and peel off mutually with the filter bag fiber.In addition, because the radial dimension of filter bag is much smaller than the wavelength of low-frequency sound wave, so the fluctuation of filter bag in this high strength sound field, just be similar to the fluctuation of a kind of " extension ripple " of sugarcoated haws shape, the filter bag surface will produce along the moving of axial crest of filter bag and trough, and forms filter bag " heaving " and " contraction " repeatedly.This motion mode not only has been subjected to as the shake active force of trembling cloth bag the dust stratification layer on the filter bag, but also is subjected to a kind of alternating action power of pushing and stretching that the filter bag bag gives.Under the synergy of these two kinds of active forces, fragmentation will appear in the dust stratification layer on the bag, and " being trembled " fallen.Filter bag, dust stratification layer and dust particle owing to there are differences on the physical characteristics such as composition, structure, density and tension force, under the effect of this low-frequency sound wave high strength sound field, also can produce relative displacement, make the dust stratification layer on the filter bag be easy to fragmentation and be stripped from.
The purpose of the one end configuration pneumatic ball valve of the acoustic waveguide tube in the utility model, mainly be to prevent that the coal gas in the deduster casing from flowing in the sonic generator by acoustic waveguide tube, this is the necessary means that ensures the sonic generator operate as normal, do not produce accidental explosion, is to guarantee that the utility model is able to a requisite measure of operate as normal.
Ash-removal effect of the present utility model is better than anti-blow cleaning dust sack cleaner and pulse dust cleaning sack cleaner, to the filter bag not damaged, can prolong the operation service life of filter bag and cleaner significantly, deashing device is externally installed, Automatic Control, reliable, operating cost is low, maintenance and repair is easy, to environment and body harmless.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
The utility model sound wave ashing coal gas bag-type dust remover, horizontal dividing plate 3 is equipped with on the top in the casing 5 of deduster, on dividing plate 3 plurality of opening is arranged, and connects filter bag 4 of lifting below each tapping, and filter bag is sagging, and the lower end can be fixed on the relevant position.The lower end of deduster casing 5 is an ash bucket, is provided with ash hole at the ash bucket lowest part, and ash-valve 8 is housed on the ash hole, and the dust that accumulates in the ash bucket can be discharged by ash-valve 8.Be provided with import 7 and outlet 2 on casing 5 sidewalls, in import 7 and outlet 2 pressure sensor be housed respectively, the holding wire of two sensors is connected to differential pressure controller 1.Sidewall at casing 5 also is provided with an opening, and at the opening part acoustic waveguide tube 10 that is tightly connected, the another port of acoustic waveguide tube 10 connects sonic generator 12 through pneumatic ball valve 11.Be connected to normally closed solenoid valve 13 on the air inlet 14 of sonic generator 12, its outside can connect the high pressure nitrogen source of the gas.In the import 7 of deduster, be connected to deduster imported valve 6.The electrical control lines of the work drive motor of sonic generator 12, differential pressure controller 1 and electric cleaner imported valve 6, pneumatic ball valve 11 and normally closed solenoid valve 13 all is connected on the controlling organization 15.Controlling organization 15 can adopt cyclelog or have the intelligence control circuit of computer chip (as single-chip microcomputer).Controlling organization 15 can be installed in the rack, constitutes switch board.
The course of work of the present utility model is:
After the surface adhesion of deduster work a period of time, filter bag 4 has more dust, deduster import 7 and the differential pressure that exports between 2 increase thereupon, when this differential pressure reaches certain numerical value, differential pressure controller 1 action, to signal of telecommunication of controlling organization 15 outputs, start the deashing operation sequence, controlling organization 15 begins to control associated components according to the working procedure of setting and carries out deashing.
At first, controlling organization 15 sends the signal of telecommunication, closes deduster imported valve 6, makes dust-laden coal gas no longer enter deduster casing 5; Then starting the work drive motor of sonic generator 12, open normally closed solenoid valve 13, make pressure nitrogen gas enter sonic generator 12, carry out gas by sonic generator--sound is changed, and is modulated to the low frequency large amplitude sound wave of CF.
Then, controlling organization 15 sends the signal of telecommunication, opens pneumatic ball valve 11.This moment, the low-frequency sound wave of sonic generator 12 generations entered in the casing 5 by pneumatic ball valve 11 and acoustic waveguide tube 10, formed the high strength sound field, and all filter bags 4 are carried out sound wave ashing.The deashing time generally continues 5-20 second, and the concrete time can be adjusted according to different situations.
After the time that arrives the deashing end, controlling organization 15 sends the signal of telecommunication successively, the work drive motor of orderly close-down pneumatic ball valve 11, magnetic valve 13 and sonic generator 12, stop sound wave ashing, and after keeping a period of time, waiting for that the basic sedimentation of falling clearly of dust finishes, controlling organization 15 sends the signal of telecommunication, opens deduster imported valve 6, makes dust-laden coal gas reenter deduster.This moment, a complete deashing course of work finished, and deduster recovers normal dedusting work.
Because sound wave ashing is to carry out in the deduster that dust coal gas is filtered, so must consider explosion-proof problem.Its major measure is: 1, the work drive motor of deduster imported valve 6, pneumatic ball valve 11, normally closed solenoid valve 13 and sonic generator 12 etc. all should be to adopt the explosion-proof type structure; 2, some related components on the sonic generator 12 also will be taked explosion precaution.The switch board of differential pressure controller 1 and controlling organization 15 is if be placed on centralized control room and away from the deduster scene, then can not take explosion precaution; If place, then also should take explosion precaution on-the-spot installation of deduster.The pressed gas that sound wave ashing uses should adopt nitrogen or other inert gases.
The utility model low-frequency sound wave ashing coal gas bag-type dust remover also is applicable to the dedusting of other dusty gases.
Claims (1)
1, a kind of sound wave ashing coal gas bag-type dust remover, in the casing (5) of deduster, dividing plate (3) is housed, be lifted with some filter bags (4) below the dividing plate (3), on the ash discharging hole of casing (5) bottom, ash-valve (8) is installed, in the import (7) of casing (5) sidewall and outlet (2), pressure sensor is housed respectively, the holding wire of two sensors is connected to differential pressure controller (1), it is characterized in that being provided with opening in the lower sidewall of casing (5), at the opening part acoustic waveguide tube (10) that is tightly connected, the other end of acoustic waveguide tube connects sonic generator (12) through pneumatic ball valve (11), is connected to normally closed solenoid valve (13) on the air inlet (14) of sonic generator (12); In the import (7) of deduster, be connected to deduster imported valve (6); The electrical control lines of the work drive motor of sonic generator (12), differential pressure controller (1) and deduster imported valve (6), pneumatic ball valve (11) and normally closed solenoid valve (13) all is connected on the controlling organization (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720138277 CN201135836Y (en) | 2007-12-18 | 2007-12-18 | Acoustic wave ash, coal gas removing bag type dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720138277 CN201135836Y (en) | 2007-12-18 | 2007-12-18 | Acoustic wave ash, coal gas removing bag type dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201135836Y true CN201135836Y (en) | 2008-10-22 |
Family
ID=40036524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720138277 Expired - Lifetime CN201135836Y (en) | 2007-12-18 | 2007-12-18 | Acoustic wave ash, coal gas removing bag type dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201135836Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105473205A (en) * | 2013-07-17 | 2016-04-06 | 首要金属科技奥地利有限责任公司 | Detecting a cleaning process in a plant having filters arranged spatially offset from one another |
| 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 |
-
2007
- 2007-12-18 CN CN 200720138277 patent/CN201135836Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105473205A (en) * | 2013-07-17 | 2016-04-06 | 首要金属科技奥地利有限责任公司 | Detecting a cleaning process in a plant having filters arranged spatially offset from one another |
| CN105473205B (en) * | 2013-07-17 | 2017-07-11 | 首要金属科技奥地利有限责任公司 | Cleaning process in the equipment of filter of the detection with the arrangement that spatially offsets with respect to each |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100558444C (en) | Sound wave ashing coal gas bag-type dust remover | |
| CN201632155U (en) | Long-bag low-pressure bag type dust remover | |
| CN103691242A (en) | Central dust removal device and dust removal method | |
| CN104083974B (en) | Filter element type deduster and control method thereof | |
| CN103239955A (en) | Integrated controller for optimizing pulse dust removal | |
| CN104548784A (en) | Inner-filtering inner-blowing type bag type dust collector and ash removal method thereof | |
| CN209221708U (en) | Deashing device and modularization deduster | |
| CN201135836Y (en) | Acoustic wave ash, coal gas removing bag type dust remover | |
| CN202555099U (en) | Bag-type dust collector with vibrating ash removers | |
| CN200961246Y (en) | Dust remover of road sweeping lorry | |
| CN110116051A (en) | A kind of air cleaning method and dust-extraction unit based on piezoelectric property | |
| CN202427696U (en) | Accumulated dust removing device and dust removing equipment for air pipe | |
| CN111603854B (en) | Bag type dust collector for cement plant warehouse top | |
| CN103909016A (en) | Acoustic deashing and dedusting device | |
| CN201899959U (en) | Integrated cyclone electric bag flue gas dedusting device | |
| CN201470241U (en) | Dedusting device for sonic-wave cloth bag | |
| CN203030135U (en) | High-temperature metal tube dust remover capable of achieving sound wave deashing | |
| CN206809936U (en) | A kind of air box impulse bag-type dust remover | |
| CN202060721U (en) | Vacuum dust-collecting device | |
| CN114984687A (en) | High-efficient filter bag dust removal purification equipment with high-efficient low power consumption dust removal effect | |
| CN205164415U (en) | Integrated dust remover device | |
| CN210543817U (en) | Self-adjusting pulse dust collector | |
| CN202893095U (en) | Pulse-jet bag dust remover device | |
| CN206935011U (en) | A kind of pulsed dust-removing device | |
| CN109173470A (en) | Deashing device and modularization deduster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071218 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |