CN204365019U - Coating material production resin filtering device - Google Patents
Coating material production resin filtering device Download PDFInfo
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- CN204365019U CN204365019U CN201420809377.7U CN201420809377U CN204365019U CN 204365019 U CN204365019 U CN 204365019U CN 201420809377 U CN201420809377 U CN 201420809377U CN 204365019 U CN204365019 U CN 204365019U
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- filter
- secondary filter
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- gear pump
- compressor machine
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Abstract
The utility model relates to a kind of coating material production resin filtering device, comprises grade one filter, variable-frequency motor, gear pump, secondary filter and air compressor machine; Variable-frequency motor is connected with gear pump transmission; Grade one filter is connected with secondary filter by gear pump; Connected by air compression pipeline between secondary filter and air compressor machine; Air compression pipeline is provided with control valve; Secondary filter is provided with pressure transmitter; The switching signal of the signal output part of pressure transmitter, the VFC end of variable-frequency motor, air compressor machine is connected with PLC programmable logic controller (PLC) respectively with control valve control signal end.The utility model structure is simple, efficiency is high, for the resin filter in coating production process, farthest can reduce the waste of resin, reduces artificial labour intensity and reduces the waste of resin and change the convenience of filter bag.
Description
Technical field
The utility model relates to chemical technology field.Be specifically related to a kind of coating material production resin filtering device.
Background technology
The gear pump of existing resin filter is that fixed frequency motor drives, by increasing reflux line, splitter section resin realizes the control of pressure when bag filter filters, utilization rate is lower, whole filter process needs artificial substantial length of operation to monitor, and during each filter replacement filter bag, the model difference according to bag filter can cause 10---the resin of 30 kilogram weights is dropped in company with filter bag.Not only cause the waste in production but also pollution is defined to environment.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of coating material production resin filtering device, and this unit efficiency is high, and can reduce the labour intensity of operating personnel and operator and improve the convenience changing filter bag.
The technical scheme that the utility model provides is: a kind of coating material production resin filtering device, comprises grade one filter, variable-frequency motor, gear pump, secondary filter and air compressor machine; Variable-frequency motor is connected with gear pump transmission; Grade one filter is connected with secondary filter by gear pump; Connected by air compression pipeline between secondary filter and air compressor machine; Air compression pipeline is provided with control valve; Secondary filter is provided with pressure transmitter; The switching signal of the signal output part of pressure transmitter, the VFC end of variable-frequency motor, air compressor machine is connected with PLC programmable logic controller (PLC) respectively with control valve control signal end.
Described secondary filter is bag filter.
The utility model structure is simple, efficiency is high, for the resin filter in coating production process, farthest can reduce the waste of resin, reduces artificial labour intensity and reduces the waste of resin and change the convenience of filter bag.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model structure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model comprises: grade one filter 2, gear pump 3, pneumatic on-off valve 4, air compressor machine 5, secondary filter 6, pressure transmitter 8, relay 9, breaker 10, variable-frequency motor 11, PLC programmable logic controller (PLC) 13, start stop switch 14 and indicator lamp 12.
Variable-frequency motor 11 and gear pump 3 are in transmission connection; Grade one filter 2 passes through
gearpump 3 is connected with secondary filter 6, and gear pump 3 accepts PLC programmable logic controller (PLC) 13 by variable-frequency motor 11, breaker 10 and controls; Connected by air compression pipeline between secondary filter 6 and air compressor machine 5, air compression pipeline is provided with pneumatic on-off valve 4; Air compressor machine 5 is provided with relay 9 and accepts PLC programmable logic controller (PLC) 13 and control; ` secondary filter 6 is provided with pressure transmitter 8, and the signal output part of pressure transmitter 8 is connected with PLC programmable logic controller (PLC) 13.Indicator lamp 12 is connected with programmable logic controller (PLC) 13 with start stop switch 14.
Described grade one filter (coarse filter) and secondary filter all can adopt bag filter, and the pore size filter of secondary filter is less than grade one filter.
When the utility model uses, press start stop switch 14, the pneumatic operated valve 15 below letdown tank 1 is opened by PLC programmable logic controller (PLC) 13, resin flow is through grade one filter 2, by variable-frequency motor 11 driving gear pump 3, pressurization enters secondary filter, and resin after filtering, then is transported in corresponding finished pot 7 and completes.During filtration, on secondary filter, the gauge pressure of pressure transmitter 8 controls at≤0.40mpa, along with the increase filter pressure of filtration time can slowly rise, when pressure transmitter 8 pressure is greater than 0.40mpa, PLC programmable logic controller (PLC) 13 controls variable-frequency motor frequency conversion, reduce the revolution of pump, when ensureing to filter, pressure gauge pressure maintains≤0.40mpa, this time-division two kinds of situations:
1, along with the impurity in filtration time prolongation, filter bag can block filter opening gradually, cause the pressure increase in secondary filter, as the pressure >=0.50mpa of pressure transmitter 8, PLC programmable logic controller (PLC) 13 cuts out the motor of driving pump by relay 9, and open air compressor machine 5, and pneumatic on-off valve 4 blows the material in secondary filter.When PLC programmable logic controller (PLC) 13 detects that pressure transmitter 8 pressure≤0.1mpa outputs signal to the replacing that indicator lamp 12 alert carries out filter bag, and close air compressor machine 5 and pneumatic on-off valve 4.Aforesaid operations is being repeated after having changed filter bag.
2, when resin filter is complete, owing to there is no the resin that can carry in pump, pressure can not be provided for secondary filter, now in secondary filter 6, pressure can lower, when the pressure≤0.1mpa PLC programmable logic controller (PLC) 13 of pressure transmitter 8 to cut out the motor of driving pump by relay 9, and open air compressor machine 5, and pneumatic on-off valve 4 blows the material in secondary filter.When PLC programmable logic controller (PLC) 13 detects that pressure transmitter 8 pressure≤0.1mpa outputs signal to indicator lamp 12 alert and filters complete.
Claims (2)
1. a coating material production resin filtering device, is characterized in that: comprise grade one filter, variable-frequency motor, gear pump, secondary filter and air compressor machine; Variable-frequency motor is connected with gear pump transmission; Grade one filter is connected with secondary filter by gear pump; Connected by air compression pipeline between secondary filter and air compressor machine; Air compression pipeline is provided with control valve; Secondary filter is provided with pressure transmitter; The switching signal of the signal output part of pressure transmitter, the VFC end of variable-frequency motor, air compressor machine is connected with PLC programmable logic controller (PLC) respectively with control valve control signal end.
2. coating material production resin filtering device according to claim 1, is characterized in that: described secondary filter is bag filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420809377.7U CN204365019U (en) | 2014-12-20 | 2014-12-20 | Coating material production resin filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420809377.7U CN204365019U (en) | 2014-12-20 | 2014-12-20 | Coating material production resin filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204365019U true CN204365019U (en) | 2015-06-03 |
Family
ID=53321271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420809377.7U Active CN204365019U (en) | 2014-12-20 | 2014-12-20 | Coating material production resin filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204365019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473221A (en) * | 2020-11-06 | 2021-03-12 | 湖南圣人防水材料有限公司 | Coating production is with novel resin filter equipment |
-
2014
- 2014-12-20 CN CN201420809377.7U patent/CN204365019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473221A (en) * | 2020-11-06 | 2021-03-12 | 湖南圣人防水材料有限公司 | Coating production is with novel resin filter equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |