CN106693542A - Dedusting system and dedusting method for dust remover - Google Patents
Dedusting system and dedusting method for dust remover Download PDFInfo
- Publication number
- CN106693542A CN106693542A CN201710002065.3A CN201710002065A CN106693542A CN 106693542 A CN106693542 A CN 106693542A CN 201710002065 A CN201710002065 A CN 201710002065A CN 106693542 A CN106693542 A CN 106693542A
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- Prior art keywords
- electric capacity
- resistance
- controller
- differential pressure
- connection
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- 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
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dedusting system and a dedusting method for a dust remover. The dedusting system comprises a controller, a differential pressure transmitter and a pulse controller, both the differential pressure transmitter and the pulse controller are arranged in a filter bag, the controller is arranged outside the dust remover, both the differential pressure transmitter and the pulse controller are electrically connected with the controller, the differential pressure transmitter comprises a differential pressure sensor, a pressure sensor and a signal acquisition and amplification module, and the pulse controller comprises a pulse valve and a pulse control module. The adopted dedusting system is high in dust-cleaning efficiency, needless dust cleaning actions are avoided, a dust layer on the surface of the filter bag is protected, and the service life of the filter bag is prolonged.
Description
Technical field
The present invention relates to dedusting technology field, specially a kind of deduster dust pelletizing system and dust collection method.
Background technology
Sack cleaner deashing is entered inside filter bag using the blast injection of one very brief high pressure, and sends out filter bag
Change shape, Partial shrinkage air penetration filter bag, promotes dust layer of the absorption on filter bag surface peeling-off.The dust on filter bag surface
Layer has the effect for stopping ultrafine dust, therefore the effect of the thicker trapping ultrafine dust of dust layer is better, but SR can increase
Plus.Therefore deashing program how is designed particularly important to balance the relation of both dust emission and SR.The dedusting of science
While device dust-removing control system can ensure that SR is reasonable, it is to avoid unnecessary deashing action, so as to reduce to compression
The consumption of source of the gas, it is to avoid loss to filter bag, reduces the concentration of emission of ultrafine dust.Existing deduster dust pelletizing system is removed
Dirt efficiency is low, and automaticity is low.
The content of the invention
It is an object of the invention to provide a kind of deduster dust pelletizing system and dust collection method, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of deduster dust pelletizing system, including controller,
Differential pressure transmitter and impulse controller, the differential pressure transmitter and impulse controller are arranged in filter bag, and the controller sets
Put outside deduster, the differential pressure transmitter and impulse controller are electrically connected with controller, and the differential pressure transmitter includes
Differential pressure pick-up, pressure sensor, signal acquisition amplification module, the impulse controller include pulse valve and Pulse Width Control mould
Block；The differential pressure pick-up, pressure sensor connect controller, the controller difference by signal acquisition amplification module respectively
Connection pulse valve and pulse control module, the controller are also connected with alarm module and power module.
Preferably, the signal acquisition amplification module includes operational amplifier, two-stage field-effect broad band amplifier, the fortune
An input for calculating amplifier connects resistance B one end and electric capacity B one end, electric capacity B other ends ground connection, the resistance B other ends respectively
Respectively connect resistance A one end and electric capacity A one end, the output end of electric capacity A other end concatenation operation amplifiers, operational amplifier it is another
One input connects resistance C one end and resistance D one end respectively, and resistance C other ends connection electric capacity D one end is simultaneously grounded, and resistance D is another
End and the output end of electric capacity D other end concatenation operation amplifiers；The output end connection electricity of the two-stage field-effect broad band amplifier
Hold E one end, electric capacity E other ends connection resistance F one end, the negative pole of resistance F other ends connection two-stage field-effect broad band amplifier is defeated
Enter end, the negative input of two-stage field-effect broad band amplifier is also connected with resistance G and is grounded, two-stage field-effect broad band amplifier
Electrode input end connection resistance E one end, resistance E other end concatenation operation amplifier outs, also including electric capacity F, electric capacity G, electricity
Hold H, electric capacity F one end, electric capacity G one end, electric capacity H one end connect power end respectively, and the electric capacity F other ends, the electric capacity G other ends, electric capacity H are another
One end is grounded.
Preferably, base integration module, relay, transformer and IGCT when the pulse control module includes, when described
Base integration module connects diode A negative poles, resistance I one end, resistance J, electric capacity J one end, resistance K one end, electric capacity K one end respectively,
The diode A positive poles and the electric capacity I other ends, the electric capacity J other ends connect transformer secondary coil, the primary respectively
Coil accesses power end, and the resistance K other ends connect diode B negative poles, IGCT one end, and K is another for diode B positive poles connection electric capacity
End, IGCT one end are simultaneously grounded, and the IGCT other end connects relay.
Preferably, the differential pressure pick-up, pressure sensor are using compound micro- silicon solid state sensor.
Preferably, the dust pelletizing system dust collection method is comprised the following steps：
A, differential pressure pick-up and dust pressure in pressure sensor Real-time Collection filter bag, and signal acquisition amplification module is by pressure
Signal is sent to controller after amplifying；
B, controller carry out judgement treatment after receiving signal, if pressure is more than setting value, send a signal to Pulse Width Control mould
Block；
C, pulse control module control pulse valve are opened and carry out pulse dust cleaning treatment, until dust pressure is in normal model in filter bag
Enclose.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The dust pelletizing system cleaning efficiency that the present invention is used is high, and unnecessary deashing can be avoided to act, the powder on protection filter bag surface
Knoisphere, improves the service life of filter bag.
（2）The signal acquisition amplification module that the present invention is used can be amplified to small-signal, improve pressure signal
Efficiency of transmission, further increase efficiency of dust collection.
（3）The pulse control module that the present invention is used can quickly send pulse signal, improve cleaning efficiency.
Brief description of the drawings
Fig. 1 is control principle block diagram of the present invention；
Fig. 2 is signal acquisition amplification module schematic diagram of the invention；
Fig. 3 is pulse control module schematic diagram of the invention；
In figure：1st, controller；2nd, differential pressure transmitter；3rd, impulse controller；4th, differential pressure pick-up；5th, pressure sensor；6th, signal
Collection amplification module；7th, pulse valve；8th, pulse control module；9th, alarm module；10th, power module；11st, operational amplifier；12、
Two-stage field-effect broad band amplifier；Base integration module when the 13rd,；14th, relay；15th, transformer；16th, IGCT；1a, resistance A；
2a, resistance B；3a, resistance C；4a, resistance D；5a, resistance E；6a, resistance F；7a, resistance G；8a, resistance H；9a, resistance I；10a、
Resistance J；11a, resistance K；1b, electric capacity A；2b, electric capacity B；3b, electric capacity C；4b, electric capacity D；5b, electric capacity E；6b, electric capacity F；7b, electric capacity
G；8b, electric capacity H；9b, electric capacity I；10b, electric capacity J；11b, electric capacity K；1c, diode A；2c, diode B.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of deduster dust pelletizing system, including it is controller 1, poor
Pressure transmitter 2 and impulse controller 3, differential pressure transmitter 2 and impulse controller 3 are arranged in filter bag, and controller 1 is arranged on and removes
Outside dirt device, differential pressure transmitter 2 and impulse controller 3 are electrically connected with controller 1, and differential pressure transmitter 2 includes differential pressure pick-up
4th, pressure sensor 5, signal acquisition amplification module 6, differential pressure pick-up 4, pressure sensor 5 are using compound micro- silicon solid-state sensing
Device；Impulse controller 3 includes pulse valve 7 and pulse control module 8；Differential pressure pick-up 4, pressure sensor 5 pass through signal respectively
The collection connection controller 1 of amplification module 6, controller 1 connects pulse valve 7 and pulse control module 8 respectively, and controller 1 is also connected with
Alarm module 9 and power module 10.
In the present embodiment, signal acquisition amplification module 6 includes operational amplifier 11, two-stage field-effect broad band amplifier 12,
One input of the operational amplifier 11 connects resistance B 2a one end and electric capacity B 2b one end, the electric capacity B 2b other ends respectively
Ground connection, the resistance B 2a other ends connect resistance A 1a one end and electric capacity A 1b one end, electric capacity A 1b other end concatenation operations respectively
The output end of amplifier 11, another input of operational amplifier 11 connects resistance C 3a one end and resistance D 4a one end respectively,
The resistance C 3a other ends connect electric capacity D4b one end and are grounded, and the resistance D 4a other ends and the concatenation operation of the electric capacity D4b other ends are amplified
The output end of device 11；Output end connection electric capacity E 5b one end of the two-stage field-effect broad band amplifier 12, electric capacity E 5b are another
End connection resistance F 6a one end, the negative input of resistance F 6a other ends connection two-stage field-effect broad band amplifier 12, two-stage
The negative input of field-effect broad band amplifier 12 is also connected with resistance G7a and is grounded, and two-stage field-effect broad band amplifier 12 is just
Pole input connection resistance E5a one end, the output end of resistance E5a other end concatenation operations amplifier 11, also including electric capacity F 6b, electricity
Hold G 7b, electric capacity H 8b, electric capacity F 6b one end, electric capacity G 7b one end, electric capacity H 8b one end connect power end respectively, and electric capacity F 6b are another
One end, the electric capacity G 7b other ends, the electric capacity H 8b other ends are grounded, and operational amplifier 11 is processed signal, it is ensured that transmission
The quality of signal, and signal message is amplified 2 times by feedback principle, the two-stage field-effect broadband for then passing to again below is put
Big device 12 carries out secondary amplification to signal again, the signal acquisition amplification module energy for finally again using signal output, the present invention
It is enough that small-signal is amplified, the efficiency of transmission of pressure signal is improve, further increase efficiency of dust collection.
In the present embodiment, base integration module 13, relay 14, transformer 15 and IGCT when pulse control module 8 includes
16, when base integration module 13 connection diode A1c negative poles, resistance I9a one end, resistance J10a, electric capacity J10b one end, resistance respectively
K11a one end, electric capacity K11b one end, diode A1c positive poles and the electric capacity I9b other ends, the electric capacity J10b other ends connect transformation respectively
The secondary coil of device 15, the primary coil of transformer 15 accesses power end, resistance K11a other ends connection diode B2c negative poles, brilliant lock
The one end of pipe 16, the diode B2c positive poles connection electric capacity K11b other ends, the one end of IGCT 16 are simultaneously grounded, and the IGCT 16 is another
End connection relay 14, the pulse control module that the present invention is used can quickly send pulse signal, improve cleaning efficiency.
Dust pelletizing system dust collection method of the invention is comprised the following steps：
A, differential pressure pick-up and dust pressure in pressure sensor Real-time Collection filter bag, and signal acquisition amplification module is by pressure
Signal is sent to controller after amplifying；
B, controller carry out judgement treatment after receiving signal, if pressure is more than setting value, send a signal to Pulse Width Control mould
Block；
C, pulse control module control pulse valve are opened and carry out pulse dust cleaning treatment, until dust pressure is in normal model in filter bag
Enclose.
The dust pelletizing system cleaning efficiency that the present invention is used is high, and unnecessary deashing can be avoided to act, protection filter bag surface
Dust layer, improves the service life of filter bag.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of deduster dust pelletizing system, including controller（1）, differential pressure transmitter（2）And impulse controller（3）, its feature exists
In：The differential pressure transmitter（2）And impulse controller（3）It is arranged in filter bag, the controller（1）It is arranged on outside deduster
Portion, the differential pressure transmitter（2）And impulse controller（3）It is electrically connected with controller（1）, the differential pressure transmitter（2）Including
Differential pressure pick-up（4）, pressure sensor（5）, signal acquisition amplification module（6）, the impulse controller（3）Including pulse valve
（7）And pulse control module（8）；The differential pressure pick-up（4）, pressure sensor（5）Pass through signal acquisition amplification module respectively
（6）Connection controller（1）, the controller（1）Pulse valve is connected respectively（7）And pulse control module（8）, the controller
（1）It is also connected with alarm module（9）And power module（10）.
2. a kind of deduster dust pelletizing system according to claim 1, it is characterised in that：The signal acquisition amplification module
（6）Including operational amplifier（11）, two-stage field-effect broad band amplifier（12）, the operational amplifier（11）An input
Resistance B (2a) one end and electric capacity B (2b) one end, electric capacity B (2b) other end ground connection, resistance B (2a) other end difference are connected respectively
Connection resistance A (1a) one end and electric capacity A (1b) one end, the output end of electric capacity A (1b) other end concatenation operation amplifier (11), fortune
Another input for calculating amplifier (11) connects resistance C (3a) one end and resistance D (4a) one end, resistance C (3a) other end respectively
Connection electric capacity D (4b) one end is simultaneously grounded, resistance D (4a) other ends and electric capacity D (4b) other end concatenation operation amplifier (11)
Output end；Output end connection electric capacity E (5b) one end of the two-stage field-effect broad band amplifier (12), electric capacity E (5b) other end
Connection resistance F (6a) one end, the negative input of resistance F (6a) other end connection two-stage field-effect broad band amplifier (12), two
The negative input of level field-effect broad band amplifier (12) is also connected with resistance G (7a) and is grounded, two-stage field-effect broad band amplifier
(12) electrode input end connection resistance E (5a) one end, resistance E (5a) other end concatenation operation amplifier (11) output end, also
Including electric capacity F (6b), electric capacity G (7b), electric capacity H (8b), electric capacity F (6b) one end, electric capacity G (7b) one end, electric capacity H (8b) one end
Power end is connect respectively, and electric capacity F (6b) other end, electric capacity G (7b) other end, electric capacity H (8b) other end are grounded.
3. a kind of deduster dust pelletizing system according to claim 1, it is characterised in that：The pulse control module（8）Bag
Base integration module when including（13）, relay（14）, transformer（15）And IGCT（16）, base integration module when described（13）Respectively
Connection diode A (1c) negative pole, resistance I (9a) one end, resistance J (10a), electric capacity J (10b) one end, resistance K (11a) one end, electricity
Hold K (11b) one end, diode A (1c) positive poles and electric capacity I (9b) other end, electric capacity J (10b) other end connect change respectively
Depressor (15) secondary coil, transformer (15) primary coil accesses power end, resistance K (11a) other end connection diode B
(2c) negative pole, IGCT (16) one end, diode B (2c) positive pole connection electric capacity K (11b) other end, IGCT (16) one end are simultaneously
Ground connection, IGCT (16) other end connects relay (14).
4. a kind of deduster dust pelletizing system according to claim 1, it is characterised in that：The differential pressure pick-up（4）, pressure
Sensor（5）Using compound micro- silicon solid state sensor.
5. a kind of deduster dust pelletizing system according to claim 1, it is characterised in that：The dust pelletizing system dust collection method bag
Include following steps：
A, differential pressure pick-up and dust pressure in pressure sensor Real-time Collection filter bag, and signal acquisition amplification module is by pressure
Signal is sent to controller after amplifying；
B, controller carry out judgement treatment after receiving signal, if pressure is more than setting value, send a signal to Pulse Width Control mould
Block；
C, pulse control module control pulse valve are opened and carry out pulse dust cleaning treatment, until dust pressure is in normal model in filter bag
Enclose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002065.3A CN106693542A (en) | 2017-01-03 | 2017-01-03 | Dedusting system and dedusting method for dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002065.3A CN106693542A (en) | 2017-01-03 | 2017-01-03 | Dedusting system and dedusting method for dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106693542A true CN106693542A (en) | 2017-05-24 |
Family
ID=58905847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710002065.3A Pending CN106693542A (en) | 2017-01-03 | 2017-01-03 | Dedusting system and dedusting method for dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693542A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187208A (en) * | 2017-07-07 | 2017-09-22 | 上海罗威电子科技有限公司 | A kind of blood sampling test tube stamp labels all-in-one |
| CN110917750A (en) * | 2019-12-05 | 2020-03-27 | 华北电力科学研究院有限责任公司 | Bag-type dust removing method and device of bag-type dust remover |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169828A (en) * | 2015-08-26 | 2015-12-23 | 邯郸新兴特种管材有限公司 | WINCC-based bag filter control system and control method |
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2017
- 2017-01-03 CN CN201710002065.3A patent/CN106693542A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169828A (en) * | 2015-08-26 | 2015-12-23 | 邯郸新兴特种管材有限公司 | WINCC-based bag filter control system and control method |
Non-Patent Citations (4)
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|---|
| 凌艺春: "《电工电子技术》", 31 August 2014, 北京理工大学出版社 * |
| 刘全忠: "《电子技术电工学II第二版》", 30 September 1999, 高等教育出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187208A (en) * | 2017-07-07 | 2017-09-22 | 上海罗威电子科技有限公司 | A kind of blood sampling test tube stamp labels all-in-one |
| CN110917750A (en) * | 2019-12-05 | 2020-03-27 | 华北电力科学研究院有限责任公司 | Bag-type dust removing method and device of bag-type dust remover |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |