CN105251275A - Displacement type dust removing bag filter and control device - Google Patents
Displacement type dust removing bag filter and control device Download PDFInfo
- Publication number
- CN105251275A CN105251275A CN201510645456.8A CN201510645456A CN105251275A CN 105251275 A CN105251275 A CN 105251275A CN 201510645456 A CN201510645456 A CN 201510645456A CN 105251275 A CN105251275 A CN 105251275A
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- China
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- contactor
- injection tube
- control device
- bag filter
- case body
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Abstract
The invention discloses a displacement type dust removing bag filter and control device. A dust removing box is arranged on a collecting box. One side wall of the dust removing box is provided with an air inlet. The other side wall of the dust removing box is provided with an air outlet. A plurality of independent box units are arranged in the dust removing box. A plurality of rows of filtering bags are arranged in each independent box. Corresponding flues are arranged on the upper portions of the independent box units and all provided with off-line valves. A spraying and blowing system is arranged above each row of filtering bags and comprises a spraying and blowing pipe and a plurality of spraying and blowing ports formed in the side wall of the spraying and blowing pipe. A pulse valve is arranged at one end of each spraying and blowing pipe. The two ends of each spraying and blowing pipe are movably connected to the corresponding independent box unit. A linear driver and a controller are further included. The output end of the linear driver is connected with the spraying and blowing pipes, and the controller is electrically connected with the linear driver. The displacement type dust removing bag filter and control device can move to remove dust.
Description
Technical field
The present invention relates to powder collection device field, particularly relate to displacement-type ash eliminating bag filter and control device.
Background technology
Fume gases is filtered by sack cleaner, forms dust just dirt on filter bag surface, and in dust removal process afterwards, dust just dirt just becomes the main filtration layer of filter bag.Along with the corresponding increase of dust resistance, the pressure reduction when filter bag both sides is increased to a timing, the fine dust be attached on filter bag layer can be squeezed away, efficiency of dust collection is obviously declined.Therefore, when dust remover resistance is wanting timely deashing after certain value.
Publication number be the bag hose of CN204275687U for Chalk-dust filtering, when needing deashing, then the Off-line valve on bag hose is closed, air-flow in bag hose casing is not circulated, then pulse valve is opened, carry out deashing to bag hose box house, entered rapidly in bag hose casing produce gas expansion by compressed air, filter bag shake reaches the object of deashing.Although existing bag hose casing correspondence is provided with multiple pulse valve of jetting to filter bag, but due to higher from pulse valve blowing gas pressure out, each pulse valve forms fixed-point type ground and jets to filter bag, most dust can be cleaned out like this, but owing to there is spacing between adjacent two pulse valves, therefore, filter bag still has interior part cannot obtain winding-up active force, causes ash-removal effect undesirable.
Summary of the invention
The present invention, in order to overcome the deficiency of above-mentioned technical problem, provides and a kind ofly can realize the bag hose that deashing is carried out in displacement.
The technical scheme solved the problems of the technologies described above is as follows:
Displacement-type ash eliminating bag filter and control device, comprise dust-removing box and collection tank, described dust-removing box is arranged in collection tank, described dust-removing box one sidewall is provided with air inlet, another sidewall is provided with air outlet, multiple independent case body unit is set in described dust-removing box, arrange in each independent case body unit and arrange filter bag more, described independent case body unit top arranges corresponding flue, described flue is equipped with Off-line valve, the top of often arranging filter bag all arranges an injection system, described injection system comprises injection tube and is arranged on the several winding-up mouths on injection tube sidewall, one end of described injection tube is provided with pulse valve, the two ends of described injection tube are movably connected on independent case body unit, also comprise a linear actuator and controller, the output of this linear actuator is connected with injection tube, controller is electrically connected with linear actuator.
Preferably, the winding-up mouth place of described injection tube is also provided with appendix, and the sectional area of the gas outlet of this appendix is greater than the sectional area of air inlet.
Preferably, described linear actuator comprises motor, bearing, screw body and sleeve, described bearing is fixed on independent case body unit, motor is fixed on bearing, the output of motor is connected with the screw mandrel of screw body, and the nut thread of screw body is connected on screw mandrel, and sleeve empty set is on screw mandrel, one end of sleeve is connected with nut, and the other end of sleeve is connected with injection tube.
Preferably, described linear actuator comprises bearing and linear electric motors, and described bearing is fixed on independent case body unit, and linear electric motors are slidably fitted on bearing, and the output of linear electric motors is connected with injection tube.
Described controller comprises CPU, amplifier, relay, and the output of CPU is connected with amplifier, and the output of amplifier is connected with relay;
Described controller also comprises stop button switch, start key switch, first A.C. contactor, second A.C. contactor, one end of stop button switch is connected with positive source, the other end of stop button switch successively with the change-over switch of relay, the coil of normally closed interlock first A.C. contactor of the second A.C. contactor is connected with power cathode, first normally open contact of the first A.C. contactor is parallel to the two ends of starting key switch, first normally open contact of the second A.C. contactor is parallel to the two ends of starting key switch, one end of the normally closed interlock of the first A.C. contactor is connected with power cathode by the coil of the second A.C. contactor, the other end of the normally closed interlock of the first A.C. contactor is the link for subsequent use with the change-over switch of relay, second normally open contact of the first A.C. contactor is connected between power supply and load, second normally open contact of the second A.C. contactor is parallel to the two ends of the second normally open contact of the first A.C. contactor.
Have employed such scheme, after compressed air enters into appendix, gas outlet due to appendix is that flat has little time to discharge, compressed air is squeezed at the middle part of appendix, be stressed to obtain and improve, on the other hand, the sectional area of the gas outlet of appendix is greater than the sectional area of air inlet, the gas outlet of adjacent two appendixs can be made adjacent, the blind area of giving vent to anger between two gas outlets is made to reduce widely like this, increase purging area, the gas exported from appendix is blown into filter bag, motor carries out the work rotated and reverse, thus transfer torque on the screw mandrel of screw body, screw mandrel rotates, nut is driven to carry out rectilinear motion, nut band moving sleeve rectilinear motion, thus make injection tube transversely displacement back and forth, and then drive appendix displacement back and forth, thus the gas be blown in filter bag is purged back and forth to filter bag.Therefore, after the present invention adopts back and forth the Purge methods of displacement-type, filter bag is formed without dead angle cleaning, improves cleaning effect.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is the schematic diagram that linear actuator of the present invention is connected with injection tube;
Fig. 3 is the schematic diagram of controller;
In accompanying drawing, 1 is dust-removing box, and 2 is collection tank, and 3 is air inlet, and 4 is air outlet, 5 is independent case body unit, and 6 is Off-line valve, and 7 is injection system, and 8 is injection tube, and 9 is appendix, 10 is pulse valve, and 11 is motor, and 12 is bearing, and 13 is silk mechanism machine, and 14 is sleeve.
Detailed description of the invention
Displacement-type ash eliminating bag filter and control device, comprise dust-removing box 1 and collection tank 2, described dust-removing box 1 is arranged in collection tank 2, described dust-removing box 1 one sidewall is provided with air inlet 3, another sidewall is provided with air outlet 4, in described dust-removing box 1, multiple independent case body unit 5 is set, arrange in each independent case body unit 5 and arrange filter bag more, described independent case body unit 5 top arranges corresponding flue, described flue is equipped with Off-line valve 6, the top of often arranging filter bag all arranges an injection system 7, described injection system 7 comprises injection tube 8 and is arranged on the several winding-up mouths on injection tube 8 sidewall, the winding-up mouth place of described injection tube is also provided with appendix 9, the sectional area of the gas outlet of this appendix 9 is greater than the sectional area of air inlet, preferably, the escape pipe of appendix 9 is set to taper, and gas outlet is flat, to improve the pressure of giving vent to anger.After compressed air enters into appendix 9, gas outlet due to appendix is that flat has little time to discharge, compressed air is squeezed at the middle part of appendix 9, be stressed to obtain and improve, on the other hand, the sectional area of the gas outlet of appendix 9 is greater than the sectional area of air inlet, the gas outlet of adjacent two appendixs 9 can be made adjacent, make the blind area of giving vent to anger between two gas outlets reduce widely like this, increase purging area, the gas exported from appendix 9 is blown into filter bag.One end of described injection tube 8 is provided with pulse valve 10.The two ends of described injection tube 8 are movably connected on independent case body unit 5, and also comprise a linear actuator, the output of this linear actuator is connected with injection tube.Preferably, described linear actuator comprises motor 11, bearing 12, screw body 13 and sleeve 14, described bearing 12 is fixed on independent case body unit, motor 11 is fixed on bearing 12, the output of motor 11 is connected with the screw mandrel of screw body 13, and the nut thread of screw body 13 is connected on screw mandrel, and sleeve 14 empty set is on screw mandrel, one end of sleeve 14 is connected with nut, and the other end of sleeve 14 is connected with injection tube.
As shown in Figure 3, also comprise a controller, controller is electrically connected with linear actuator.Described controller comprises CPU U1, amplifier Q1, relay S.CPU U1 is PLC, also can adopt the controllable type devices such as single-chip microcomputer, and the output of CPU U1 is connected with amplifier Q1, and the output of amplifier Q1 is connected with relay S.Controller also comprises stop button switch S B1, start key switch SB2, first A.C. contactor, second A.C. contactor and change-over switch SA, one end of stop button switch S B1 is connected with positive source, the other end of stop button switch S B1 successively with change-over switch SA, the coil KM1 of normally closed interlock KM21 first A.C. contactor of the second A.C. contactor is connected with power cathode, first normally open contact KM11 of the first A.C. contactor is parallel to the two ends of starting key switch SB2, first normally open contact KM22 of the second A.C. contactor is parallel to the two ends of starting key switch SB2, one end of the normally closed interlock KM12 of the first A.C. contactor is connected with power cathode by the coil KM2 of the second A.C. contactor, the other end of the normally closed interlock KM12 of the first A.C. contactor is the link for subsequent use with change-over switch SA, second normally open contact KM13 of the first A.C. contactor is connected between power supply and load, second normally open contact KM23 of the second A.C. contactor is parallel to the two ends of the second normally open contact KM13 of the first A.C. contactor.Also comprise an electrothermal relay, the heater element FR of this electrothermal relay is connected between the second normally open contact KM13 of the first A.C. contactor and load, and the normally closed interlock FR1 of electrothermal relay is connected between the coil KM1 of the first A.C. contactor and the negative pole of power supply.
In the control program that CPU U1 is built-in, be provided with the time of the first pulse control signal and the output of the second pulse control signal.Under normality, when change-over switch SA is positioned at position shown in Fig. 3 (left position), press and start key switch SB2, the coil KM1 of the first A.C. contactor obtains electric, second normally open contact KM13 of the first A.C. contactor closes, and motor 11 obtains electric rotating forward starting operation.When the first arteries and veins portion control signal signal then, CPU U1 stops output first pulse control signal, motor 11 rotates forward and stops, CPU U1 exports the second pulse control signal that motor 11 is reversed, under the effect of relay S, make change-over switch SA automatically be placed in right end position, the coil KM2 of the second A.C. contactor obtains electric, and the second normally open contact KM23 of the second A.C. contactor closes, and motor 11 obtains electric reversion and runs.Motor 11 carries out the work rotated and reverse, thus transfer torque on the screw mandrel of screw body 13, screw mandrel rotates, nut is driven to carry out rectilinear motion, nut band moving sleeve 14 rectilinear motion, make injection tube 8 transversely displacement back and forth, and then drive appendix 9 displacement back and forth, thus the gas be blown in filter bag is purged back and forth to filter bag.
The present invention is except aforesaid way, and described linear drives can also adopt linear electric motors, and these linear electric motors are slidably fitted on the first support, and the output of linear electric motors is directly connected with discharge pipe.
Claims (5)
1. displacement-type ash eliminating bag filter and control device, comprise dust-removing box and collection tank, described dust-removing box is arranged in collection tank, described dust-removing box one sidewall is provided with air inlet, another sidewall is provided with air outlet, multiple independent case body unit is set in described dust-removing box, arrange in each independent case body unit and arrange filter bag more, described independent case body unit top arranges corresponding flue, described flue is equipped with Off-line valve, the top of often arranging filter bag all arranges an injection system, described injection system comprises injection tube and is arranged on the several winding-up mouths on injection tube sidewall, one end of described injection tube is provided with pulse valve, it is characterized in that, the two ends of described injection tube are movably connected on independent case body unit, also comprise a linear actuator and controller, the output of this linear actuator is connected with injection tube, controller is electrically connected with linear actuator.
2. displacement-type ash eliminating bag filter according to claim 1 and control device, is characterized in that, the winding-up mouth place of described injection tube is also provided with appendix, and the sectional area of the gas outlet of this appendix is greater than the sectional area of air inlet.
3. displacement-type ash eliminating bag filter according to claim 1 and control device, it is characterized in that, described linear actuator comprises motor, bearing, screw body and sleeve, described bearing is fixed on independent case body unit, and motor is fixed on bearing, and the output of motor is connected with the screw mandrel of screw body, the nut thread of screw body is connected on screw mandrel, sleeve empty set is on screw mandrel, and one end of sleeve is connected with nut, and the other end of sleeve is connected with injection tube.
4. displacement-type ash eliminating bag filter according to claim 1 and control device, it is characterized in that, described linear actuator comprises bearing and linear electric motors, described bearing is fixed on independent case body unit, linear electric motors are slidably fitted on bearing, and the output of linear electric motors is connected with injection tube.
5. displacement-type ash eliminating bag filter according to claim 1 and control device, it is characterized in that, described controller comprises CPU, amplifier, relay, and the output of CPU is connected with amplifier, and the output of amplifier is connected with relay;
Described controller also comprises stop button switch (SB1), start key switch (SB2), first A.C. contactor, second A.C. contactor, one end of stop button switch (SB1) is connected with positive source, the other end of stop button switch (SB1) successively with the change-over switch (SA) of relay, the coil (KM1) of normally closed interlock (KM21) first A.C. contactor of the second A.C. contactor is connected with power cathode, first normally open contact (KM11) of the first A.C. contactor is parallel to the two ends of starting key switch (SB2), first normally open contact (KM22) of the second A.C. contactor is parallel to the two ends of starting key switch (SB2), one end of the normally closed interlock (KM12) of the first A.C. contactor is connected with power cathode by the coil (KM2) of the second A.C. contactor, the other end of the normally closed interlock (KM12) of the first A.C. contactor is the link for subsequent use with the change-over switch of relay (SA), second normally open contact (KM13) of the first A.C. contactor is connected between power supply and load, second normally open contact (KM23) of the second A.C. contactor is parallel to the two ends of second normally open contact (KM13) of the first A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510645456.8A CN105251275A (en) | 2015-10-08 | 2015-10-08 | Displacement type dust removing bag filter and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510645456.8A CN105251275A (en) | 2015-10-08 | 2015-10-08 | Displacement type dust removing bag filter and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105251275A true CN105251275A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510645456.8A Pending CN105251275A (en) | 2015-10-08 | 2015-10-08 | Displacement type dust removing bag filter and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105251275A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110786A (en) * | 2016-08-22 | 2016-11-16 | 中材装备集团有限公司 | Winding-up experiment tube in pulse jetting deashing sack cleaner experimental system |
-
2015
- 2015-10-08 CN CN201510645456.8A patent/CN105251275A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110786A (en) * | 2016-08-22 | 2016-11-16 | 中材装备集团有限公司 | Winding-up experiment tube in pulse jetting deashing sack cleaner experimental system |
| CN106110786B (en) * | 2016-08-22 | 2018-05-04 | 中材装备集团有限公司 | For the injection experiment tube in pulse jetting deashing sack cleaner experimental system |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160120 |
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| WD01 | Invention patent application deemed withdrawn after publication |