CN202909569U - Multifunctional impulse jetting soot cleaning control device - Google Patents
Multifunctional impulse jetting soot cleaning control device Download PDFInfo
- Publication number
- CN202909569U CN202909569U CN 201220551544 CN201220551544U CN202909569U CN 202909569 U CN202909569 U CN 202909569U CN 201220551544 CN201220551544 CN 201220551544 CN 201220551544 U CN201220551544 U CN 201220551544U CN 202909569 U CN202909569 U CN 202909569U
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- deashing
- control
- pulse valve
- chamber
- soot cleaning
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Abstract
A multifunctional impulse jetting control device solves the problems of cost increase, large construction amount and the like, caused by the reason that different soot cleaning methods require different control modes in the prior art. The multifunctional impulse jetting control device comprises a pulse valve, an air cylinder valve plate and a control loop consisting of both a control switch and a button, and adopts the technical points that a three-position change-over switch with three normally open contacts is adopted as the same select switch of offline, online and manual soot cleaning modes in a soot cleaning chamber; an instantaneous button is adopted as a manual soot cleaning button of the pulse valve also in the soot cleaning chamber; unidirectional conductivity of diodes is utilized to form a matrix connection to control the all pulse valves; and the other ends of pulse valve coils with the same serial numbers in each soot cleaning chamber are connected to the negative pole of a 24V DC power supply by unidirectional conductive diodes. The control device is simple in structural design, can realize simultaneous selection of requirements of the soot cleaning chamber, as well as the offline, online and manual soot cleaning and the like by using the same control mode, obviously reduces costs and decreases on-site construction amount.
Description
Technical field
The utility model relates to a kind of deduster dust disposing device, particularly a kind ofly utilizes same control loop to realize selected deashing chamber and off-line ash-clearing, online ash removal, the manual multifunctional pulse winding-up control device selected simultaneously of the demand such as deashing.Mainly be applicable to the dust disposing device of the Low-Pressure Pulse Bag Filter used in the places such as metallurgy, oil, chemical industry, power plant, belong to the environmental protection equipment field.
Background technology
The large and medium-sized Low-Pressure Pulse Bag Filter that the places such as existing metallurgy, oil, chemical industry, power plant are used, its purge mode totally is divided into two kinds: off-line ash-clearing and online ash removal.So-called off-line ash-clearing namely is that each deashing chamber adopts air cylinder valve plate to close after the blocking-up air-flow, carries out the Compressed Gas reverse gas cleaning by a plurality of pulse valves; So-called online ash removal is not then closed for air cylinder valve plate, directly utilizes a plurality of pulse valves to carry out the Compressed Gas reverse gas cleaning.During deashing work, usually do not allow a plurality of air cylinder valve plates and a plurality of pulse valve to work simultaneously.And generally speaking, all needing equipment to have on the spot can manually operated function, so that overhaul of the equipments or when breaking down can be adopted manual control operation.At present, existing Low-Pressure Pulse Bag Filter control mode mainly contains following three kinds:
One, pulsation blowing control instrument control, adopt fixing integrated control module special to control the scope of application: the quantity that namely adopts deashing chamber and pulse valve is few small-size dust remover all.Its control characteristics are that investment is little, but mode of operation fixes, and uses to be restricted, and this control mode is for the deduster that a plurality of deashing chambers are arranged, and the control difficulty of getting up is very large, and can not realize the microcomputer automatic monitoring, also can't realize manual control.
Two, distributed deashing controller control consists of the scope of application by deashing controller, network management machine, communication module, hot standby distribution box: in, large-scale sack cleaner.The quantity that its control characteristics are deashing chamber and pulse valve is all many, and installation and debugging are comparatively loaded down with trivial details, and one-time investment is excessive, the monitored picture manufacture difficulty greatly, troublesome poeration when manually controlling.
Three, the point-to-point control of PLC control module, each pulse valve connects with three core control lines, and each pulse valve takies control point of PLC control module.The scope of application: Large-sized Low Pressure Diaphragm sack cleaner.Its control characteristics: greatly increased count quantity with three core control lines of PLC control module, thereby increased cost, also greatly increased programming, the workload of configuration picture and the workload of site operation.And be unfavorable for realizing off-line, online, manual purge mode are selected simultaneously.
The utility model content
The purpose of this utility model provides a kind of multifunctional pulse winding-up control device, what solved that pulse jet control device in the existing low pressure pulse bag filter exists needs different control models, increases cost and the problem such as great in constructing amount different purge modes, its structural design is simple, utilize same control model can realize deashing chamber and off-line ash-clearing, online ash removal, manually select when the demand such as deashing, be significantly reduced to this and reduce the site operation amount.
The technical scheme that the utility model adopts is: this multifunctional pulse winding-up control device comprises pulse valve and air cylinder valve plate and the gauge tap for the deashing chamber reverse gas cleaning, the control loop that button consists of, its technical essential is: described gauge tap adopts the three-postion switch with three normally open contacts, be all the off-line ash-clearing of deashing chamber, online ash removal, the purge mode selector switch of manual deashing, employing wink ejector half button is all the manual deashing button of pulse valve of deashing chamber, and utilize the unidirectional general character formation matrix connection of diode to control each pulse valve, the common port of each pulse valve coil of each deashing chamber is connected to the positive pole of direct current 24V power supply by three selector switches and the auxiliary reclay of the institute deashing chamber of controlling selection, selectes deashing chamber and purge mode; The other end of the pulse valve coil of the same serial number in each deashing chamber is connected to the negative pole of direct current 24V power supply by the one-way conduction diode, and be in parallel with auxiliary reclay and the manual deashing button of pulse valve of institute control impuls valve, select the pulse valve of working in the deashing chamber.
Advantage and the good effect that the utlity model has are: because the utility model adopts three-postion switch, wink the auxiliary reclay selected with the control deashing chamber respectively of ejector half button and the control loop of the same pattern that consists of of the auxiliary reclay of control impuls valve, programme-control by the PLC control module, the unidirectional general character of recycling diode forms the matrix connection and selects to control selected deashing chamber, purge mode and pulse valve, can realize respectively selectively the off-line ash-clearing of selected deashing chamber, online ash removal, the operations such as manual deashing, its structural design is simple, utilize this same control model can realize selected deashing chamber and off-line ash-clearing, online ash removal, select in the time of the demands such as manual deashing, respectively selected deashing chamber or selected purge mode are carried out operation, be significantly reduced to this and reduce the site operation amount.
In sum, the utility model compared with prior art, can save a lot of hardware investments for this type of engineering, and greatly reduce the electrical installation work amount, especially more aobvious advantage in the many situations of deashing chamber and pulse valve quantity, and can be by same line design and the operator scheme changed, unilateral conduction and the ingenious combined characteristic of utilizing the three-postion switch contact according to diode satisfy the service requirement of different deashing chambers or the job requirements of different deashing types with the design design of uniqueness.Therefore, the utility model solved that pulse jet control device in the existing low pressure pulse bag filter exists to different deashing chambers or different purge mode need different control models, hardware cost is high and the problem such as great in constructing amount.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the control principle drawing of a deashing chamber of the present utility model and a pulse valve;
Fig. 2 is a kind of connecting point position figure of selector switch among Fig. 1;
Fig. 3 is a kind of pulse valve matrix wiring diagram of the present utility model.
Sequence number explanation among the figure: the auxiliary reclay of SA1-SA18 purge mode selector switch, auxiliary reclay that KAQ1-KAQ18 control deashing chamber is selected, KAM1-KAM12 control impuls valve, 1QG-18QG air cylinder valve plate coil, MF11-MF1812 pulse valve coil, the manual deashing button of SB1-SB12 pulse valve ,+KM direct current 24V positive source ,-KM direct current 24V power cathode.
The specific embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1-3.This multifunctional pulse winding-up control device comprises the control loop for parts formations such as the pulse valve of deashing chamber reverse gas cleaning and air cylinder valve plate and gauge tap, buttons.Wherein gauge tap adopts the three-postion switch with three normally open contacts, is all the off-line ash-clearing, online ash removal of deashing chamber, the manual purge mode selector switch SA1-SA18 of deashing.Employing wink ejector half button is all the manual deashing button of the pulse valve SB1-SB12 of deashing chamber, and utilize the unidirectional general character formation matrix connection of diode D to control each pulse valve, the common port of each pulse valve coil MF11-MF1812 of each deashing chamber is selected deashing chamber and purge mode by positive pole+KM that three selector switches and the auxiliary reclay KAQ1-KAQ18 of the institute deashing chamber of controlling selection are connected to direct current 24V power supply; The other end of the pulse valve coil MF11-MF1812 of the same serial number in each deashing chamber is connected to the negative pole-KM of direct current 24V power supply by one-way conduction diode D, and be in parallel with auxiliary reclay KAM1-KAM12 and the manual deashing button of the pulse valve SB1-SB12 of institute control impuls valve, select the pulse valve of working in the deashing chamber.
The below is to have 18 deashing operating rooms, and every chamber is that the Low-Pressure Pulse Bag Filter of 12 pulse valves is that example is elaborated, and other by that analogy.Shown in Figure 1 only is the control principle drawing of a deashing chamber and a pulse valve, and all the other 17 deashing chambers and all the other 11 pulse valve control principles herewith just change the label 1 among the figure into 2,3 ... 18.1QG-18QG represents air cylinder valve plate coil (direct current 24V power supply), totally 18 among the figure; SA1-SA18 represents the purge mode selector switch, and totally 18, be the three-postion switch with three normally open contacts, be installed in the on-the-spot deashing control cabinet, be used for selecting purge mode; The auxiliary reclay that KAQ1-KAQ18 representative control deashing chamber is selected, totally 18, controlled by the PLC control module, respectively take a bit; KAM1-KAM12 represents the auxiliary reclay of control impuls valve, and totally 12, controlled by the PLC control module, respectively take a bit.The shared PLC control module of deashing control section is counted in the present embodiment: 18(deashing chamber quantity)+and 12(pulse valve quantity)=30 points, auxiliary reclay 18(deashing chamber quantity)+12(pulse valve quantity)=30; If count with common way PLC control module: 18(deashing chamber quantity) X12(pulse valve quantity)=216 points, auxiliary reclay 18(deashing chamber quantity) X12(pulse valve quantity)=216.
MF11-MF1812 represents on-the-spot deashing pulse valve coil among Fig. 3, amounts to 216 (18X12=216); SB1-SB12 is the manual deashing button of wink ejector half pulse valve, totally 12, is installed in the on-the-spot deashing control cabinet; Diode D is totally 216 among the figure, and model is IN4007, IF=1A, VR=1000V plays single-phase conducting effect, prevent a plurality of pulse valves simultaneously electric and impact normal operation, diode is installed near the interior pulse valve of deashing chamber, also can require supply of material producer to be integrated in the valve head when cylinder is ordered goods.The operation of on-site manual deashing can be carried out by SA1-SA18 and SB1-SB12, and purge mode can be selected.
Operation principle: as shown in Figure 2, when three-postion switch SA1 is transformed into 45 ° on the left side, connect 1-2,3-4 contact according to switch period table, be manual deashing operation this moment, air cylinder valve plate coil 1QG gets electric and closes, cut off simultaneously the 5-6 contact and break away from automatic control, and wire size is that the direct current 24V of S1 place positive source is connected.
As shown in Figure 3, the public S1 of the 1-12 pulse valve of 1# deashing chamber end band direct current 24V positive supply, but this moment crawl pulse valve deashing button SB1-SB12, which pulse valve of which button 1# deashing chamber of crawl will manually be jetted, the rest may be inferred for the manual deashing in other chamber.
All disconnect according to switch period table contact when three-postion switch SA1 is transformed into middle 0 position, be online ash removal control this moment, and cylinder coil 1QG does not participate in deashing control because the SA1 contact all disconnects dead electricity and is in open mode.This moment, online ash removal was controlled by the PLC control module: the PLC control module makes its closing of contact to auxiliary reclay KAQ1 action command when the deashing of 1# chamber, the public S1 end band direct current 24V positive supply of the 1-12 pulse valve of 1# deashing chamber, the PLC control module moves signal according to the time sequencing that sets to the wink of a 0.05-0.5S of auxiliary reclay KAM1-KAM12, just finished the on-line automatic deashing control of this chamber, 2-18# chamber automatic on-line deashing operation principle herewith.
When three-postion switch SA1 is transformed into 45 ° of positions, the right side, connect the 5-6 contact according to switch period table, disconnect 1-2,3-4 contact, be off-line ash-clearing control this moment.This moment, off-line ash-clearing was controlled by the PLC control module: when the deashing of 1# chamber, the PLC control module makes its closing of contact to auxiliary reclay KAQ1 action command, because of the 5-6 contacting so that the 1# cylinder gets electric closing, meanwhile the public S1 end of the 1-12 pulse valve of 1# deashing chamber is with direct current 24V positive supply, the PLC control module moves signal according to the time sequencing that sets to the wink of a 0.05-0.5S of auxiliary reclay KAM1-KAM12, just having finished the deashing off-line of this chamber controls automatically, namely finish anti-jetting deashing work under the closed condition of cylinder, 2-18# chamber operation principle herewith.
Like this, under a kind of line mode, can finish three kinds of mode of operations, when all three selector switch SA1-SA18 are transformed into 45 ° of positions, the right side, can realize the automatic off-line ash-clearing of deduster; When being transformed into middle 0 position, can realize all three selector switch SA1-SA18 the automatic on-line deashing of deduster; When being transformed into 45 ° of positions, the left side, can realize by one of them three selector switch the manual deashing of single chamber of deduster.
During wiring, must near pulse valve coil MF11-MF1812, require series diode D according to diagram, and notice that direction does not connect instead, otherwise cisco unity malfunction.Be disposed to all deashing chambers if on-the-spot deashing chamber is row, only need 19 cores and 14 cores, totally two control cables get final product; Arrange that if on-the-spot deashing chamber is two row 9 deashing chambers of every row only need 10 cores and 14 cores to each row deashing chamber, totally two control cables get final product.And conventional method connects this pulse valve and gets 216 2 core control lines, with the long 50 meters calculating of average every cable, has as seen saved a lot of investments.
Concrete operation step is as follows:
One, according to deashing control loop shown in Figure 1, design the control loop of each deashing unit (deashing chamber), wherein KAQ1-KAQ18 and KAM1-KAM12 are subjected to PLC control module output control, specific design is determined according to selected PLC control module model, and is made PLC control module switch board (switch board places in the Central Control Room).
Two, make deashing field control case: purge mode selector switch SA1-SA18, the manual deashing button of pulse valve SB1-SB12 are installed in the deashing field control case, by Fig. 1 wiring and carry out terminal row.
Three, connect diode D by Fig. 3, be connected to the control line of each deashing chamber pulse valve and air cylinder valve plate by the wire size of control cables.
Four, the complete inspection of wiring just can normally put into operation after accurate.
Claims (1)
1. multifunctional pulse winding-up control device, comprise for the pulse valve of deashing chamber reverse gas cleaning and the control loop of air cylinder valve plate and gauge tap formation, it is characterized in that: described gauge tap adopts the three-postion switch with three normally open contacts, be all the off-line ash-clearing of deashing chamber, online ash removal, the purge mode selector switch of manual deashing, employing wink ejector half button is all the manual deashing button of pulse valve of deashing chamber, and utilize the unidirectional general character formation matrix connection of diode to control each pulse valve, the common port of each pulse valve coil of each deashing chamber is connected to the positive pole of direct current 24V power supply by three selector switches and the auxiliary reclay of the institute deashing chamber of controlling selection, selectes deashing chamber and purge mode; The other end of the pulse valve coil of the same serial number in each deashing chamber is connected to the negative pole of direct current 24V power supply by the one-way conduction diode, and be in parallel with auxiliary reclay and the manual deashing button of pulse valve of institute control impuls valve, select the pulse valve of working in the deashing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551544 CN202909569U (en) | 2012-10-26 | 2012-10-26 | Multifunctional impulse jetting soot cleaning control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551544 CN202909569U (en) | 2012-10-26 | 2012-10-26 | Multifunctional impulse jetting soot cleaning control device |
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| Publication Number | Publication Date |
|---|---|
| CN202909569U true CN202909569U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220551544 Withdrawn - After Issue CN202909569U (en) | 2012-10-26 | 2012-10-26 | Multifunctional impulse jetting soot cleaning control device |
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| CN (1) | CN202909569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908835A (en) * | 2012-10-26 | 2013-02-06 | 沈阳远大环境工程有限公司 | Multi-functional pulse-jet ash removal control device |
| CN106237744A (en) * | 2016-08-19 | 2016-12-21 | 北京京城环保股份有限公司 | A kind of matrix form dust cleaning control method of many bins sack cleaner |
| CN109351072A (en) * | 2018-11-13 | 2019-02-19 | 大亚木业（茂名）有限公司 | A kind of sack cleaner control device |
-
2012
- 2012-10-26 CN CN 201220551544 patent/CN202909569U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908835A (en) * | 2012-10-26 | 2013-02-06 | 沈阳远大环境工程有限公司 | Multi-functional pulse-jet ash removal control device |
| CN102908835B (en) * | 2012-10-26 | 2014-07-30 | 沈阳远大环境工程有限公司 | Multi-functional pulse-jet ash removal control device |
| CN106237744A (en) * | 2016-08-19 | 2016-12-21 | 北京京城环保股份有限公司 | A kind of matrix form dust cleaning control method of many bins sack cleaner |
| CN106237744B (en) * | 2016-08-19 | 2018-11-06 | 北京京城环保股份有限公司 | A kind of matrix form dust cleaning control method of more warehouse bag filters |
| CN109351072A (en) * | 2018-11-13 | 2019-02-19 | 大亚木业（茂名）有限公司 | A kind of sack cleaner control device |
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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: 20130501 Effective date of abandoning: 20140730 |
|
| RGAV | Abandon patent right to avoid regrant |