CN106237744B - A kind of matrix form dust cleaning control method of more warehouse bag filters - Google Patents
A kind of matrix form dust cleaning control method of more warehouse bag filters Download PDFInfo
- Publication number
- CN106237744B CN106237744B CN201610696337.XA CN201610696337A CN106237744B CN 106237744 B CN106237744 B CN 106237744B CN 201610696337 A CN201610696337 A CN 201610696337A CN 106237744 B CN106237744 B CN 106237744B
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- intermediate relay
- normally opened
- opened contact
- warehouse
- deashing
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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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
A kind of matrix form dust cleaning control method of more warehouse bag filters, belongs to Technology of Fabric Filter field.Contain following steps：Selection needs the warehouse of deashing, and PLC deashing output points triggering intermediate relay acts successively, and then controls exhanst gas outlet cylinder, and soot cleaning valve, air bubble acts in order, completes the deashing action of this warehouse；Then this flow is repeated, the deashing action of next warehouse is completed, when warehouse is overhauled, skips the deashing of this warehouse in program automatically, carries out the deashing action of next warehouse.The present invention controls flue gas flow direction using the exhanst gas outlet cylinder, realizes that off-line ash-clearing, control loop use matrix type structure, cost is saved, it is easy to operation, using modular control thinking, clear logic, and fully consider the continuous operation feasibility in the case of environment division trouble hunting.
Description
Technical field
The present invention relates to a kind of matrix form dust cleaning control methods of more warehouse bag filters, belong to Technology of Fabric Filter
Field.
Background technology
In smoke and dust treatment field, bag-type dusting will not cause secondary pollution due to high dust collection efficiency, convenient for recycling siccative etc.
Performance, application at home and abroad is more and more wider, and accounting is very high in cleaner.
Bag filter structure is mainly by upper box body, middle part babinet, lower part box (ash bucket), soot cleaning system and ash ejector
The part such as structure forms.The quality of bag filter performance, other than correctly selecting filter pocket material, soot cleaning system is to bag filter
Play conclusive effect.For this purpose, ash removal method is to discriminate between one of characteristic of bag filter and During Operation of Bag Dust Filter
An important ring.
Since bag filter warehouse is more, existing control loop is more complex, safeguards and maintenance is inconvenient, electrical equipment
Using more, the cost needed is larger.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of matrix form dust-removing control of more warehouse bag filters
Method.
A kind of matrix form dust cleaning control method of more warehouse bag filters, contains following steps：Selection needs deashing
Warehouse, PLC deashing output points triggering intermediate relay acts successively, and then controls exhanst gas outlet cylinder, and soot cleaning valve, air bubble is pressed
Sequentially-operating completes the deashing action of this warehouse.Then this flow is repeated, the deashing action of next warehouse, warehouse maintenance are completed
When, the deashing of this warehouse is skipped in program automatically, carries out the deashing action of next warehouse.
Contain following steps：Signal comes from PLC output points, and the 3rd PLC output points control the tenth intermediate relay and are attracted, the
The normally opened contacts of ten intermediate relays is connected, and the 4th PLC output points control the 11st intermediate relay and are attracted, among the 11st after
The normally opened contact of electric appliance is connected, and so that the exhanst gas outlet cylinder solenoid valve action of No. 1 warehouse, cylinder is declined, the 2nd PLC output point controls
The actuation of the first intermediate relay is made, the normally opened contact of the first intermediate relay is connected, and third deashing solenoid valve 15 is made to act,
Similarly other eight PLC output points control successively the second intermediate relay, third intermediate relay, among the 4th after
Electric appliance, the 5th intermediate relay, the 6th intermediate relay, the 7th intermediate relay, among the 8th intermediate relay and the 9th after
Electric appliance is attracted, and is connected with triggering the normally opened contact of the second intermediate relay of No. 1 warehouse, the normally opened contact of third intermediate relay
It connects, the normally opened contact of the 4th intermediate relay is connected, the normally opened contact of the 5th intermediate relay is connected, the 6th intermediate relay
Normally opened contact connect, the normally opened contact of the 7th intermediate relay is connected, the normally opened contact of the 8th intermediate relay is connected and the
The normally opened contact of nine intermediate relays is connected so that and corresponding deashing solenoid valve acts successively,
5th PLC output points control the 12nd intermediate relay and are attracted, and the normally opened contact of the 12nd intermediate relay is connected,
Air bubble electromagnetism valve events, No. 1 warehouse deashing action are made to complete；
Similarly, the 6th PLC output points control the 14th intermediate relay and are attracted, the normally opened contact of the 14th intermediate relay
It connects, the 7th PLC output points control the 15th intermediate relay and are attracted, and the normally opened contact of the 15th intermediate relay is connected, and makes 2
The action of number warehouse exhanst gas outlet cylinder solenoid valve, cylinder decline,
2nd PLC output points control the first intermediate relay and are attracted, another normally opened contact that the first intermediate relay is attracted
Connect, make deashing electromagnetism valve events, similarly other eight PLC output points control successively the second intermediate relay, among third after
Electric appliance, the 4th intermediate relay, the 5th intermediate relay, the 6th intermediate relay, the 7th intermediate relay, the 8th intermediate relay
Device and the 9th intermediate relay are attracted,
With trigger No. 2 warehouses the second intermediate relay normally opened contact connect, third intermediate relay it is another normally opened
Contacting, the 4th intermediate relay another normally opened contact connect, another normally opened contact of the 5th intermediate relay is connected, the
Another normally opened contact of six intermediate relays is connected, another normally opened contact of the 7th intermediate relay is connected, the 8th intermediate relay
Another normally opened contact of device is connected and another normally opened contact of the 9th intermediate relay is connected so that corresponding deashing solenoid valve according to
Secondary action,
8th PLC output points control the 16th intermediate relay and are attracted, and the normally opened contact of the 16th intermediate relay is connected,
Make air bubble electromagnetism valve events, in this way, No. 2 warehouse deashing actions are completed.
Increased warehouse will realize that deashing acts, and only need to increase control loop identical with intermediate relay, and will correspond to
Intermediate relay normally opened contact connected respectively with not used one group of opened point of intermediate relay, you can realize deashing control
System.
A kind of matrix form dust-removing control system of more warehouse bag filters, mainly include PLC control system, power control cabinet,
Exhanst gas outlet cylinder, air bubble, soot cleaning valve.
The beneficial effect comprise that：
Reduce PLC points, is effectively saved cost, clear logic also simplifies while ensuring compliance with technological requirement
The operability of system.
The present invention includes PLC control system, power control cabinet, exhanst gas outlet cylinder, air bubble, deashing solenoid valve.PLC controls system
Bulk cargo has PLC, and element movement in power control cabinet is controlled by PLC output points.Intermediate relay is housed in power control cabinet, PLC is received and refers to
It enables, and controls exhanst gas outlet cylinder, air bubble, deashing electromagnetism valve events.PLC control system and power control cabinet, power control cabinet and flue gas
Cylinder, air bubble are exported, deashing solenoid valve passes through cable connection respectively.The operating mode of bag filter flying dust not easy-clear uses
The exhanst gas outlet cylinder controls flue gas flow direction, realizes that off-line ash-clearing, control loop use matrix type structure, saves cost,
It is easy to operation, using modular control thinking, clear logic, and fully considers and continue in the case of environment division trouble hunting
Operation feasibility.
The present invention has the advantage that as follows：
1, it is light-weight to be directed to flying dust in bag filter application scenario, easily the characteristics of adhering on cloth bag, present invention use
The mode of off-line ash-clearing considerably increases the deashing and service efficiency of bag filter.
2, it is every warehouse deashing pulse valve quantity (the n)=m*n of warehouse quantity (m) * that traditional control method, which needs PLC points,
The circuit structure design that matrix form is used in the present invention, the PLC points needed are m+n, considerably reduce module points and electricity
Gas number of elements.
3, maintenance option is increased using the independent control mode of each warehouse for the feature more than cloth bag warehouse, program is automatic
The warehouse for needing to overhaul is skipped, system on-line maintenance is facilitated.
4, present invention produces positive effects.
Description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, can more completely more fully understand the present invention with
And be easy to learn the advantage that many of which is adjoint, but attached drawing described herein is used to provide further understanding of the present invention,
The part of the present invention is constituted, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute to this hair
Bright improper restriction, such as figure are wherein：
Fig. 1 is the control loop schematic diagram of the present invention.
Fig. 2 is the operation instruction schematic diagram of the present invention.
Present invention will be further explained below with reference to the attached drawings and examples.
Specific implementation mode
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect range.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a " and "the" may also comprise plural form.It is to be further understood that wording " the packet used in the specification of the present invention
Include " refer to existing characteristics, integer, step, operation, element and/or component, but it is not excluded that presence or addition is one or more
Other features, integer, step, operation, element, component and/or their group.It should be understood that when claiming element, component to be " connected "
When to another element, component, it can be directly connected to other elements either component or there may also be intermediary element or
Component.Wording "and/or" used herein includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
For ease of the understanding to the embodiment of the present invention, illustrate below in conjunction with being further explained, and each embodiment
The restriction to the embodiment of the present invention is not constituted.
Embodiment 1：As shown in Figure 1,
A kind of matrix form dust cleaning control method of more warehouse bag filters, contains following steps：Signal in box 1 comes
From PLC output points, the tenth intermediate relay SKA11 of the 3rd PLC output points 3 control is attracted, and the tenth intermediate relay SKA11's is normal
Contact SKA111 connections are opened, the 11st intermediate relay SKA12 of the 4th PLC output points 4 control is attracted, the 11st intermediate relay
The normally opened contact SKA112 of SKA12 is connected, and the exhanst gas outlet cylinder solenoid valve 10 of No. 1 warehouse is made to act, and cylinder declines, and second
The first intermediate relay of control of PLC output points 2 QKA1 is attracted, and the normally opened contact QKA11 of the first intermediate relay QKA1 is connected, and is made
Third deashing solenoid valve 15 acts, and similarly other eight PLC output points control the second intermediate relay QKA2, among third successively
Relay QKA3, the 4th intermediate relay QKA4, the 5th intermediate relay QKA5, the 6th intermediate relay QKA6, among the 7th
Relay QKA7, the 8th intermediate relay QKA8 and the 9th intermediate relay QKA9 are attracted,
To trigger normally opened contact QKA12 connections, the third intermediate relay of the second intermediate relay QKA2 of No. 1 warehouse
The normally opened contact QKA13 of QKA3 is connected, the normally opened contact QKA14 of the 4th intermediate relay QKA4 is connected, the 5th intermediate relay
The normally opened contact QKA15 of QKA5 is connected, the normally opened contact QKA16 of the 6th intermediate relay QKA6 is connected, the 7th intermediate relay
The normally opened contact QKA17 of QKA7 is connected, the normally opened contact QKA18 of the 8th intermediate relay QKA8 is connected and the 9th intermediate relay
The normally opened contact QKA19 of QKA9 is connected so that and corresponding deashing solenoid valve acts successively,
The 12nd intermediate relay SKA13 of 5th PLC output points 5 control is attracted, and the 12nd intermediate relay SKA13's is normal
Contact SKA113 connections are opened, air bubble solenoid valve 12 is made to act, No. 1 warehouse deashing action is completed.
Similarly, the 14th intermediate relay SKA21 of the 6th PLC output points 6 control is attracted, the 14th intermediate relay
The normally opened contact SKA121 of SKA21 is connected, and the 15th intermediate relay SKA22 of the 7th PLC output points 7 control is attracted, and the 15th
The normally opened contact SKA122 of intermediate relay SKA22 is connected, and No. 2 warehouse exhanst gas outlet cylinder solenoid valves 17 is made to act, under cylinder
Drop,
2nd PLC output points 2 the first intermediate relay of control QKA1 is attracted, and the first intermediate relay QKA1 is attracted another
Normally opened contact QKA21 is connected, and deashing solenoid valve 22 is made to act, similarly other eight PLC output points control successively among second after
Electric appliance QKA2, third intermediate relay QKA3, the 4th intermediate relay QKA, the 5th intermediate relay QKA5, the 6th intermediate relay
Device QKA6, the 7th intermediate relay QKA7, the 8th intermediate relay QKA8 and the 9th intermediate relay QKA9 are attracted,
To trigger normally opened contact QKA22 connections, the third intermediate relay of the second intermediate relay QKA2 of No. 2 warehouses
Another normally opened contact QKA23 of QKA3 is connected, another normally opened contact QKA24 of the 4th intermediate relay QKA4 is connected, in the 5th
Between relay QKA5 another normally opened contact QKA25 connect, another normally opened contact QKA26 of the 6th intermediate relay QKA6 connects
Lead to, another normally opened contact QKA27 of the 7th intermediate relay QKA7 is connected, another normally opened contact of the 8th intermediate relay QKA8
QKA28 is connected and another normally opened contact QKA29 of the 9th intermediate relay QKA9 is connected so that corresponding deashing solenoid valve is successively
Action,
The 16th intermediate relay SKA23 of 8th PLC output points 8 control is attracted, and the 16th intermediate relay SKA23's is normal
Contact SKA123 connections are opened, air bubble solenoid valve 19 is made to act,
In this way, No. 2 warehouse deashing actions are completed.
Similarly, remaining warehouse will realize that deashing acts, and need to only increase and intermediate relay SKA1~intermediate relay SKA3
Identical control loop, and by corresponding intermediate relay normally opened contact respectively with intermediate relay QKA1~intermediate relay
Not used one group of opened point of QKA9 is connected, you can realizes dust-removing control.
Embodiment 2：As shown in Figure 1 and Figure 2,
A kind of matrix form dust-removing control system of more warehouse bag filters includes mainly the control points PLC, intermediate relay
Device, solenoid valve etc..The control points PLC, intermediate relay are placed in switch board, are connected with solenoid valve by cable.It is controlled by PLC
Intermediate relay processed is attracted, and then controls electromagnetism valve events.PLC and intermediate relay use the wiring of matrix form before, significantly
Reduce the points of PLC.The cloth bag control device that the present invention uses has the characteristics that strong operability, maintainability are strong, economical and practical,
And produce positive effect in actual items application.
Embodiment 3：As shown in Fig. 2, a kind of matrix form dust cleaning control method of more warehouse bag filters, contains following step
Suddenly：By taking No. 1 warehouse as an example, instruction 101 is allowed to light, No. 1 warehouse prepares to start deashing；First, exhanst gas outlet cylinder declines, under
After the completion of drop, declines instruction 102 and light；Then, No. 1 deashing pulse valve starts to be attracted, and is attracted instruction and 103 lights, and then 2~9
Number deashing pulse valve is attracted successively, corresponding to be attracted instruction and light successively；Air bubble solenoid valve is attracted, and is attracted instruction 105 and is lighted；Cigarette
Gas exports cylinder and rises, and after the completion of rising, rises instruction 104 and lights；So far No. 1 warehouse deashing action finishes, and stops instruction 106
It lights, the deashing of next warehouse can be carried out, deashing flow is identical with No. 1 warehouse.If a certain warehouse is being overhauled, point
Bright maintenance instruction 107, can skip this warehouse automatically, carry out next warehouse deashing work.
As above, the embodiment of the present invention is explained in detail, as long as but essentially without the disengaging present invention's
Inventive point and effect can have many deformations, this will be readily apparent to persons skilled in the art.Therefore, such
Variation is also integrally incorporated within protection scope of the present invention.
Claims (2)
1. a kind of matrix form dust cleaning control method of more warehouse bag filters, it is characterised in that contain following steps：Selection needs
The warehouse of deashing is wanted, PLC deashing output points triggering intermediate relay acts successively, and then controls exhanst gas outlet cylinder, soot cleaning valve,
Air bubble acts in order, completes the deashing action of this warehouse；Then this flow is repeated, the deashing action of next warehouse is completed,
When warehouse is overhauled, the deashing of this warehouse is skipped in program automatically, carries out the deashing action of next warehouse；
Also contain following steps：Signal comes from PLC output points, and the 3rd PLC output points control the tenth intermediate relay and are attracted, and the tenth
The normally opened contact of intermediate relay is connected, and the 4th PLC output points control the 11st intermediate relay and are attracted, the 11st intermediate relay
The normally opened contact of device is connected, and so that the exhanst gas outlet cylinder solenoid valve action of No. 1 warehouse, cylinder is declined, the control of the 2nd PLC output points
First intermediate relay is attracted, and the normally opened contact of the first intermediate relay is connected, and third deashing solenoid valve 15 is made to act,
Similarly other eight PLC output points control the second intermediate relay, third intermediate relay, the 4th intermediate relay successively
Device, the 5th intermediate relay, the 6th intermediate relay, the 7th intermediate relay, the 8th intermediate relay and the 9th intermediate relay
Device is attracted, and to trigger, the normally opened contact of the second intermediate relay of No. 1 warehouse is connected, the normally opened contact of third intermediate relay connects
Logical, the 4th intermediate relay normally opened contact is connected, the normally opened contact of the 5th intermediate relay is connected, the 6th intermediate relay
Normally opened contact is connected, the normally opened contact of the 7th intermediate relay is connected, the normally opened contact of the 8th intermediate relay connection and the 9th
The normally opened contact of intermediate relay is connected so that and corresponding deashing solenoid valve acts successively,
5th PLC output points control the 12nd intermediate relay and are attracted, and the normally opened contact of the 12nd intermediate relay is connected, and sky is made
Gas big gun electromagnetism valve events, No. 1 warehouse deashing action are completed；
Similarly, the 6th PLC output points control the 14th intermediate relay and are attracted, and the normally opened contact of the 14th intermediate relay connects
Logical, the 7th PLC output points control the 15th intermediate relay and are attracted, and the normally opened contact of the 15th intermediate relay is connected, and makes No. 2
Warehouse exhanst gas outlet cylinder solenoid valve acts, and cylinder declines,
2nd PLC output points control the first intermediate relay and are attracted, and another normally opened contact that the first intermediate relay is attracted is connected,
Make deashing electromagnetism valve events, similarly other eight PLC output points control successively the second intermediate relay, third intermediate relay,
4th intermediate relay, the 5th intermediate relay, the 6th intermediate relay, the 7th intermediate relay, the 8th intermediate relay and
9th intermediate relay is attracted,
To trigger the normally opened contact connection of the second intermediate relay of No. 2 warehouses, another normally opened contact of third intermediate relay
It connects, another normally opened contact of the 4th intermediate relay is connected, another normally opened contact of the 5th intermediate relay is connected, in the 6th
Between relay another normally opened contact connect, another normally opened contact of the 7th intermediate relay connects, the 8th intermediate relay
Another normally opened contact is connected and another normally opened contact of the 9th intermediate relay is connected so that corresponding deashing solenoid valve moves successively
Make,
8th PLC output points control the 16th intermediate relay and are attracted, and the normally opened contact of the 16th intermediate relay is connected, and sky is made
Gas big gun electromagnetism valve events, in this way, No. 2 warehouse deashing actions are completed.
2. a kind of matrix form dust cleaning control method of more warehouse bag filters according to claim 1, it is characterised in that
Increased warehouse will realize that deashing acts, and only need to increase control loop identical with intermediate relay, and by corresponding centre after
Electric appliance normally opened contact is connected with not used one group of opened point of intermediate relay respectively, you can realizes dust-removing control.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696337.XA CN106237744B (en) | 2016-08-19 | 2016-08-19 | A kind of matrix form dust cleaning control method of more warehouse bag filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696337.XA CN106237744B (en) | 2016-08-19 | 2016-08-19 | A kind of matrix form dust cleaning control method of more warehouse bag filters |
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| Publication Number | Publication Date |
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| CN106237744A CN106237744A (en) | 2016-12-21 |
| CN106237744B true CN106237744B (en) | 2018-11-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636622A (en) * | 2004-11-22 | 2005-07-13 | 中天仕名科技集团有限公司 | Dust removing control device and method for multiple-chamber multiple-pulse valve dust collector |
| CN102363090A (en) * | 2011-09-16 | 2012-02-29 | 中冶南方工程技术有限公司 | Automatic control method for small-sized bag type dust remover |
| CN202909569U (en) * | 2012-10-26 | 2013-05-01 | 沈阳远大环境工程有限公司 | Multifunctional impulse jetting soot cleaning control device |
| CN203244861U (en) * | 2013-04-25 | 2013-10-23 | 济南伊斯达自控工程有限公司 | Control system of blowback pulse valve used in blast furnace bag-type dust collector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2831239B2 (en) * | 1993-08-06 | 1998-12-02 | 水谷 和夫 | Cleaning control method for bag type dust collector |
-
2016
- 2016-08-19 CN CN201610696337.XA patent/CN106237744B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636622A (en) * | 2004-11-22 | 2005-07-13 | 中天仕名科技集团有限公司 | Dust removing control device and method for multiple-chamber multiple-pulse valve dust collector |
| CN102363090A (en) * | 2011-09-16 | 2012-02-29 | 中冶南方工程技术有限公司 | Automatic control method for small-sized bag type dust remover |
| CN202909569U (en) * | 2012-10-26 | 2013-05-01 | 沈阳远大环境工程有限公司 | Multifunctional impulse jetting soot cleaning control device |
| CN203244861U (en) * | 2013-04-25 | 2013-10-23 | 济南伊斯达自控工程有限公司 | Control system of blowback pulse valve used in blast furnace bag-type dust collector |
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| CN106237744A (en) | 2016-12-21 |
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