CN104958965A - Air tank pulse dust collector and starting method thereof - Google Patents
Air tank pulse dust collector and starting method thereof Download PDFInfo
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- CN104958965A CN104958965A CN201510368925.6A CN201510368925A CN104958965A CN 104958965 A CN104958965 A CN 104958965A CN 201510368925 A CN201510368925 A CN 201510368925A CN 104958965 A CN104958965 A CN 104958965A
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- pulse valve
- precipitator
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Abstract
The invention relates to an air tank pulse dust collector and a starting method thereof. The air tank pulse dust collector comprises a draught fan and a tank body. The tank body is internally divided into a plurality of filtering bins through bin partitioning plates. A plurality of filtering bags are arranged in each filtering bin. A dusty gas inlet is formed in the side face of the lower portion of the tank body, the top of the tank body is communicated with the inlet end of the draught fan, and the air outlet end of the draught fan is a pure gas outlet. The top of each filtering bin is correspondingly provided with a pulse valve, one end of each pulse valve corresponds to the corresponding filtering bag, and the other end of the pulse valve is communicated with a high-pressure air source. The top of each filtering bin is further correspondingly provided with a lifting plate. When the lifting plates are opened, the corresponding filtering bins are communicated with the draught fan. When the lifting plates are closed, the corresponding filtering bins are not communicated with the draught fan. The fan, the pulse valves and the lifting plates are controlled by a PLC. According to the air tank pulse dust collector and the starting method thereof, the draught fan, the pulse valves and the lifting plates are controlled through the PLC at the same time, the draught fan is not communicated with the tank body, in other words, the draught fan is started in a non-load mode, an air door and an electric executing mechanism do not need to be used, the structure is simple, cost is low, and maintenance is easy.
Description
Technical field
The present invention relates to a kind of air box impulse dust-precipitator and starting method thereof.
Background technology
Existing air box impulse dust-precipitator can be divided into following 3 classes according to the Starting mode of blower fan, the first kind: directly start, equipment needed thereby is few, Starting mode is relatively simple, but owing to being bringing onto load startup, require that the capacity of circuit is greater than more than 5 times of the motor capacity of blower fan, impact large to electrical network and start-up time is long; Equations of The Second Kind: as auto-transformer reduced-voltage starting, star triangle start, frequency converter and soft start, the air box impulse dust-precipitator of this class, starting current is less, reduces the impact to electrical network, but increase equipment investment, and complex circuit, service technique requires also corresponding much higher; 3rd class: utilize air door to add the Starting mode of electric operator, when namely starting, utilize electric operator to control air door to close, thus the air intake passage of blower fan is closed, be equivalent to No Load Start, after fan starting completes, slowly open air door again, this air box impulse dust-precipitator also needs to increase air door and electric operator, and cost is still very high, safeguards also comparatively difficulty.
Summary of the invention
The invention provides a kind of air box impulse dust-precipitator and starting method thereof, to solve the above-mentioned technical problem of existing air box impulse dust-precipitator.
For solving the problems of the technologies described above, the invention provides a kind of air box impulse dust-precipitator, comprising blower fan and casing, be divided into several filtering cabins by partition panel in described casing, in each filtering cabin, be provided with some filter bags;
The lower side of described casing is provided with dusty gas entrance, and the top of described casing is communicated with the inlet end of described blower fan, and the outlet side of described blower fan is clean gas outlet;
Each filtering cabin top correspondence is provided with a pulse valve, and one end of described pulse valve is corresponding with described filter bag, and the other end is communicated with high-pressure air source;
Each filtering cabin top also correspondence is provided with a riser, and when described riser is opened, corresponding filtering cabin is communicated with described blower fan, and when described riser is closed, corresponding filtering cabin is not communicated with described blower fan;
Described blower fan, pulse valve and riser control by a PLC.
Preferably, the bottom of described casing is also provided with ash-discharging device.
Preferably, described ash-discharging device is infundibulate ash-discharging device.
Preferably, described filter bag is polyester knitting filter felt.
Preferably, one end that described pulse valve is corresponding with described filter bag is provided with nozzle.
Preferably, described pulse valve is controlled to open by a pulse control instrument, and described pulse control instrument is connected to the output of described PLC.
Preferably, each riser is controlled to open and close by a lifting cylinder respectively, and each lifting cylinder is connected to the output of described PLC.
Present invention also offers the starting method of above-mentioned air box impulse dust-precipitator, comprise the steps:
S1: described PLC controls all risers and is in closed condition; Control all pulse valves to close simultaneously;
S2: described PLC controls fan starting;
S3: after described fan starting, described PLC control described riser and open one by one, and described pulse valve enters normal burst state.
Preferably, described pulse valve enters normal burst state and is: each pulse valve time opening, in the filtering cabin of described correspondence, pass into compressed air.
Preferably, after described pulse valve enters normal burst state, when certain pulse valve is opened, to should the riser at filtering cabin top close in advance, be closed to from riser the time difference that pulse valve opens and controlled by described PLC.
Compared with prior art, a kind of air box impulse dust-precipitator provided by the invention and starting method tool thereof have the following advantages:
1, controlled blower fan, pulse valve and riser by PLC, before unlatching blower fan, cut out blower fan is communicated with casing, realizes blower fan No Load Start, reduces the impact to electrical network simultaneously;
2, without the need to using air door and electric operator, reducing parts cost of investment, simplifying overall structure;
3, easily, operating cost is low in maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the air box impulse dust-precipitator of the present invention one specific embodiment mode;
Fig. 2 is the side view of casing in the air box impulse dust-precipitator of the present invention one specific embodiment mode.
In figure: the outlet of 10-blower fan, 11-clean gas, 20-casing, 21-partition panel, 22-filtering cabin, 23-filter bag, 24-dusty gas entrance, 30-pulse valve, 31-nozzle, 40-riser, 41-lifting cylinder, 50-ash-discharging device.
Detailed description of the invention
In order to the technical scheme of more detailed statement foregoing invention, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.
A kind of air box impulse dust-precipitator provided by the invention, please refer to Fig. 1 and Fig. 2, comprises blower fan 10 and casing 20, is divided into several filtering cabins 22, is provided with some filter bags 23 in each filtering cabin 22 in described casing 20 by partition panel 21;
The lower side of described casing 20 is provided with dusty gas entrance 24, and the top of described casing 20 is communicated with the inlet end of described blower fan 10, and the outlet side of described blower fan 10 is clean gas outlet 11;
Particularly, it is inner that dusty gas enters casing 20 from dusty gas entrance 24, filtered by filter bag 23, dust and air separation, the air after purification exported 11 discharged to air by blower fan 10 from clean gas, thus realizes purification of air.
Each filtering cabin 22 top correspondence is provided with a pulse valve 30, and one end of described pulse valve 30 is corresponding with described filter bag 23, and the other end is communicated with high-pressure air source (not shown); Each filtering cabin 22 top also correspondence is provided with a riser 40, and when described riser 40 is opened, corresponding filtering cabin 22 is communicated with described blower fan 10, state of namely normally gathering dust.After the dust sticking to filter bag 23 outer surface progressively forms bisque, described riser 40 is closed, and corresponding filtering cabin 22 is not communicated with described blower fan 10; Pulse valve 30 is opened and moment closes automatically, and high-pressure air source passes into Compressed Gas to filtering cabin 22, makes filter bag 23 instantaneous expansion that the bisque on filter bag 23 surface is shaken, namely enters deashing state.After time delay certain hour, after the dust that waiting shakes falls falls ash-discharging device 50, riser 40 reopens, and enters state of normally gathering dust, and makes air box impulse dust-precipitator resistance keep stable;
Described blower fan 10, pulse valve 30 control by a PLC (not shown) with riser 40.
The present invention is controlled blower fan 10, pulse valve 30 and riser 40 by PLC simultaneously, closes being communicated with of blower fan 10 and casing 20, is equivalent to blower fan 10 No Load Start, and need not uses air door and electric operator, structure is simple, cost is low, easy-maintaining.
Preferably, please continue to refer to Fig. 1 and Fig. 2, the bottom of described casing 20 is also provided with ash-discharging device 50, in the present embodiment, described ash-discharging device 50 is infundibulate ash-discharging device, is directly fallen in infundibulate ash-discharging device, realize automatic ash-discharging from filter bag 23 by the bisque blown off, reduce labour intensity, increase work efficiency.
Preferably, described filter bag 23 is polyester knitting filter felt, has waterproof, grease proofing, antistatic, resistant to elevated temperatures advantage.
Preferably, ask emphasis with reference to figure 1, one end that described pulse valve 30 is corresponding with described filter bag 23 is provided with nozzle 31, concentrates blowing force, improves compressed-air actuated utilization rate.
Preferably, please continue to refer to Fig. 1 and Fig. 2, described pulse valve 30 is controlled to open by a pulse control instrument (not shown), and automatically close after certain hour, described pulse control instrument is connected to the output of described PLC; Each riser 40 is controlled to open and close by a lifting cylinder 41 respectively, and each lifting cylinder 41 is connected to the output of described PLC, particularly, please be in closed condition by emphasis with reference to the riser 40 of solid line in figure 2, figure; The riser 40 of dotted line is in open mode, thus realizes the control of PLC paired pulses valve 30 and riser 40.
Please continue to refer to Fig. 1 and Fig. 2, present invention also offers the starting method of above-mentioned air box impulse dust-precipitator, comprise the steps:
S1: described PLC controls all risers 40 is in closed condition; Control all pulse valves 30 to close simultaneously; Blower fan 10 is made to be in Light Condition.
S2: described PLC controls blower fan 10 starts;
S3: after described blower fan 10 starts, described PLC controls described riser 40 and opens one by one, increases the load of blower fan 10 gradually; Described pulse valve 30 enters normal burst state, for the cleaning of follow-up filter bag 23 is prepared.
Preferably, described pulse valve 30 enters normal burst state: each pulse valve 30 time opening, compressed air is passed in the filtering cabin 22 of described correspondence, certainly, after described pulse valve 30 enters normal burst state, when certain pulse valve 30 is opened, to should the riser 40 at filtering cabin 22 top close in advance, the time difference being closed to pulse valve 30 unlatching from riser 40 is controlled by described PLC, thus realizes the deashing to filter bag 23.
In sum, a kind of air box impulse dust-precipitator provided by the invention and starting method thereof, the structure of described air box impulse dust-precipitator comprises blower fan 10 and casing 20, is divided into several filtering cabins 22, is provided with some filter bags 23 in each filtering cabin 22 in described casing 20 by partition panel 21; The lower side of described casing 20 is provided with dusty gas entrance 24, and the top of described casing 20 is communicated with the inlet end of blower fan 10, and the outlet side of blower fan 10 is clean gas outlet 11; Each filtering cabin 22 top correspondence is provided with a pulse valve 30, and one end of described pulse valve 30 is corresponding with filter bag 23, and the other end is communicated with high-pressure air source; Each filtering cabin 22 top also correspondence is provided with a riser 40, and when described riser 40 is opened, corresponding filtering cabin 22 is communicated with blower fan 10, and when riser 40 is closed, corresponding filtering cabin 22 is not communicated with blower fan 10; Described blower fan 10, pulse valve 30 control by a PLC with riser 40.The present invention is controlled blower fan 10, pulse valve 30 and riser 40 by PLC simultaneously, closes being communicated with of blower fan 10 and casing 20, is equivalent to blower fan 10 No Load Start, and need not uses air door and electric operator, structure is simple, cost is low, easy-maintaining.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an air box impulse dust-precipitator, comprises blower fan and casing, it is characterized in that, is divided into several filtering cabins, is provided with some filter bags in each filtering cabin in described casing by partition panel;
The lower side of described casing is provided with dusty gas entrance, and the top of described casing is communicated with the inlet end of described blower fan, and the outlet side of described blower fan is clean gas outlet;
Each filtering cabin top correspondence is provided with a pulse valve, and one end of described pulse valve is corresponding with described filter bag, and the other end is communicated with high-pressure air source;
Each filtering cabin top also correspondence is provided with a riser, and when described riser is opened, corresponding filtering cabin is communicated with described blower fan, and when described riser is closed, corresponding filtering cabin is not communicated with described blower fan;
Described blower fan, pulse valve and riser control by a PLC.
2. air box impulse dust-precipitator as claimed in claim 1, it is characterized in that, the bottom of described casing is also provided with ash-discharging device.
3. air box impulse dust-precipitator as claimed in claim 2, it is characterized in that, described ash-discharging device is infundibulate ash-discharging device.
4. air box impulse dust-precipitator as claimed in claim 1, it is characterized in that, described filter bag is polyester knitting filter felt.
5. air box impulse dust-precipitator as claimed in claim 1, it is characterized in that, one end that described pulse valve is corresponding with described filter bag is provided with nozzle.
6. air box impulse dust-precipitator as claimed in claim 1, is characterized in that, described pulse valve is controlled to open by a pulse control instrument, and described pulse control instrument is connected to the output of described PLC.
7. air box impulse dust-precipitator as claimed in claim 1, is characterized in that, each riser is controlled to open and close by a lifting cylinder respectively, and each lifting cylinder is connected to the output of described PLC.
8., as the starting method of the air box impulse dust-precipitator in claim 1-7 as described in any one, it is characterized in that, comprise the steps:
S1: described PLC controls all risers and is in closed condition; Control all pulse valves to close simultaneously;
S2: described PLC controls fan starting;
S3: after described fan starting, described PLC control described riser and open one by one, and described pulse valve enters normal burst state.
9. the starting method of air box impulse dust-precipitator as claimed in claim 8, it is characterized in that, described pulse valve enters normal burst state and is: each pulse valve time opening, in the filtering cabin of described correspondence, pass into compressed air.
10. the starting method of air box impulse dust-precipitator as claimed in claim 9, it is characterized in that, after described pulse valve enters normal burst state, when certain pulse valve is opened, to should the riser at filtering cabin top close in advance, be closed to from riser the time difference that pulse valve opens and controlled by described PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368925.6A CN104958965B (en) | 2015-06-29 | 2015-06-29 | A kind of startup method of air box impulse dust-precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368925.6A CN104958965B (en) | 2015-06-29 | 2015-06-29 | A kind of startup method of air box impulse dust-precipitator |
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| Publication Number | Publication Date |
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| CN104958965A true CN104958965A (en) | 2015-10-07 |
| CN104958965B CN104958965B (en) | 2017-04-05 |
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| CN201510368925.6A Active CN104958965B (en) | 2015-06-29 | 2015-06-29 | A kind of startup method of air box impulse dust-precipitator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498746A (en) * | 2017-08-28 | 2017-12-22 | 芜湖悠派护理用品科技股份有限公司 | A kind of pulsed macromolecule Material sucking machine and its application method |
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|---|---|---|---|---|
| DE3022203A1 (en) * | 1980-06-13 | 1981-12-24 | Mikropul Gesellschaft für Mahl- und Staubtechnik mbH, 5000 Köln | Gas filter bags cleaned while still in casing - by external liquid sprays in upper zone and internal gas pressure pulses |
| CN201263934Y (en) * | 2008-09-03 | 2009-07-01 | 四川天环科技环保有限公司 | Pulse adverse current bag-type dust remover |
| CN201441865U (en) * | 2009-06-04 | 2010-04-28 | 潍坊华星铸造机械有限公司 | Bag-type pulse dust collector |
| CN202343045U (en) * | 2011-09-28 | 2012-07-25 | 湖北中烟工业有限责任公司 | PLC (programmable logic controller)-based differential pressure control system for bag type pulsing dust removing device |
| CN203355500U (en) * | 2013-07-29 | 2013-12-25 | 江苏绿叶机械有限公司 | Novel chamber-type dust remover |
| CN204735046U (en) * | 2015-06-29 | 2015-11-04 | 吴江市明港道桥工程有限公司 | Gas tank pulsating collection ware |
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2015
- 2015-06-29 CN CN201510368925.6A patent/CN104958965B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3022203A1 (en) * | 1980-06-13 | 1981-12-24 | Mikropul Gesellschaft für Mahl- und Staubtechnik mbH, 5000 Köln | Gas filter bags cleaned while still in casing - by external liquid sprays in upper zone and internal gas pressure pulses |
| CN201263934Y (en) * | 2008-09-03 | 2009-07-01 | 四川天环科技环保有限公司 | Pulse adverse current bag-type dust remover |
| CN201441865U (en) * | 2009-06-04 | 2010-04-28 | 潍坊华星铸造机械有限公司 | Bag-type pulse dust collector |
| CN202343045U (en) * | 2011-09-28 | 2012-07-25 | 湖北中烟工业有限责任公司 | PLC (programmable logic controller)-based differential pressure control system for bag type pulsing dust removing device |
| CN203355500U (en) * | 2013-07-29 | 2013-12-25 | 江苏绿叶机械有限公司 | Novel chamber-type dust remover |
| CN204735046U (en) * | 2015-06-29 | 2015-11-04 | 吴江市明港道桥工程有限公司 | Gas tank pulsating collection ware |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498746A (en) * | 2017-08-28 | 2017-12-22 | 芜湖悠派护理用品科技股份有限公司 | A kind of pulsed macromolecule Material sucking machine and its application method |
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| CN104958965B (en) | 2017-04-05 |
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