CN103850933A - Sludge screw pump mechanical sealer cooling method - Google Patents
Sludge screw pump mechanical sealer cooling method Download PDFInfo
- Publication number
- CN103850933A CN103850933A CN201210500333.1A CN201210500333A CN103850933A CN 103850933 A CN103850933 A CN 103850933A CN 201210500333 A CN201210500333 A CN 201210500333A CN 103850933 A CN103850933 A CN 103850933A
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- screw pump
- pump mechanical
- plc
- machine envelope
- mud screw
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Abstract
The invention discloses a sludge screw pump mechanical sealer cooling method. A device of the sludge screw pump mechanical sealer cooling method comprises an analog quantity electric pressure regulating valve, a magnetic valve, a sludge screw pump mechanical sealer, a pressure transmitter, and a PLC; one end of the analog quantity electric pressure regulating valve is connected with an industrial water supply, and the other end is connected with one end of the magnetic valve; the other end of the magnetic valve is connected with the sludge screw pump mechanical sealer; cooling water is delivered into a ground pond via the sludge screw pump mechanical sealer; the input end of the PLC is connected with the pressure transmitter, and the output end of the PLC is connected with the analog quantity electric pressure regulating valve and the magnetic valve. The device is simple in structure, and is convenient for operation; automation and the sludge screw pump mechanical sealer cooling method are combined, so that workload of on-site staff is reduced, water consumption is reduced, and service life of the sludge screw pump mechanical sealer is prolonged.
Description
Technical field
The present invention relates to water treatment field, be specifically related to a kind of mud screw pump machine envelope cooling technology.
Background technique
The main directly water inlet refrigeration technique that adopts of current mud screw pump machine envelope both domestic and external; This method fine setting property is poor, causes intake pressure to exceed machine envelope and bears after pressure, and machine leak sealing water, affects machine and seal working life.And need field operator to check machine envelope runnability to scene, carry out manual tune.
Summary of the invention
Goal of the invention: the object of the invention is in order to solve the deficiencies in the prior art, a kind of mud screw pump machine envelope cooling technology is provided.
Technological scheme: a kind of mud screw pump machine envelope cooling technology, comprise analog amount electric pressure-regulating valve, solenoid valve, mud screw pump machine envelope, pressure transmitter and PLC, described analog amount electric pressure-regulating valve one end is connected with industrial tap water, the other end is connected with one end of solenoid valve, the other end of described solenoid valve is connected with mud screw pump machine envelope, cooling water enters melt pit by mud screw pump machine envelope, the input end of described PLC is connected with pressure transmitter, and PLC output terminal is connected with analog amount electric pressure-regulating valve and solenoid valve.
As preferably, the input end of described PLC can be accepted the mud screw pump operation frequency of mud screw pump machine envelope feedback.
Beneficial effect: a kind of mud screw pump machine envelope cooling technology of the present invention, simple in structure, easy to operate, automation is combined with mud screw pump machine envelope cooling technology, reduced field personnel's workload, improved the working life of mud screw pump machine envelope.
Accompanying drawing explanation
Fig. 1 is working principle block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described in detail.
As shown in Figure 1, a kind of mud screw pump machine envelope cooling technology, comprise analog amount electric pressure-regulating valve, solenoid valve, mud screw pump machine envelope, pressure transmitter and PLC, analog amount electric pressure-regulating valve one end is connected with industrial tap water, the other end is connected with one end of solenoid valve, the other end of solenoid valve is connected with mud screw pump machine envelope, cooling water enters melt pit by mud screw pump machine envelope, the input end of PLC is connected with pressure transmitter, PLC output terminal is connected with analog amount electric pressure-regulating valve and solenoid valve, the input end of PLC can be accepted the mud screw pump operation frequency of mud screw pump machine envelope feedback.
Pressure transmitter collects the real-time pipe network water pressure spreading out of after analog amount electric pressure-regulating valve connecting tube and real-time pipe network water pressure is fed back to PLC, mud screw pump operation frequency is fed back to PLC by mud screw pump, PLC is according to the aperture of mud screw pump operation frequency and the real-time electronic control simulation amount of pipe network water pressure electric pressure-regulating valve, and the break-make of solenoid valve.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a mud screw pump machine envelope cooling technology, comprise analog amount electric pressure-regulating valve, solenoid valve, mud screw pump machine envelope, pressure transmitter and PLC, it is characterized in that: described analog amount electric pressure-regulating valve one end is connected with industrial tap water, the other end is connected with one end of solenoid valve, the other end of described solenoid valve is connected with mud screw pump machine envelope, cooling water enters melt pit by mud screw pump machine envelope, the input end of described PLC is connected with pressure transmitter, and PLC output terminal is connected with analog amount electric pressure-regulating valve and solenoid valve.
2. a kind of mud screw pump machine envelope cooling technology according to claim 1, is characterized in that: the input end of described PLC can be accepted the mud screw pump operation frequency of mud screw pump machine envelope feedback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210500333.1A CN103850933A (en) | 2012-11-30 | 2012-11-30 | Sludge screw pump mechanical sealer cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210500333.1A CN103850933A (en) | 2012-11-30 | 2012-11-30 | Sludge screw pump mechanical sealer cooling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103850933A true CN103850933A (en) | 2014-06-11 |
Family
ID=50858969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210500333.1A Pending CN103850933A (en) | 2012-11-30 | 2012-11-30 | Sludge screw pump mechanical sealer cooling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103850933A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB941241A (en) * | 1962-02-12 | 1963-11-06 | Flexibox Ltd | Improvements relating to mechanical seals for rotating shafts |
| US3495840A (en) * | 1968-01-22 | 1970-02-17 | Borg Warner | Mechanical seal start-up lubricating arrangement |
| US3588124A (en) * | 1967-12-18 | 1971-06-28 | Guinard Pompes | Sealing device for pumps and other similar machines |
| JPH03233189A (en) * | 1990-02-09 | 1991-10-17 | Fuji Photo Film Co Ltd | Sealing device of slurry transportation pump |
| CN200949565Y (en) * | 2006-07-28 | 2007-09-19 | 上海开利泵业（集团）有限公司 | Externally circulating cooling device of pump |
| CN102562534A (en) * | 2012-01-16 | 2012-07-11 | 张家港市金腾化工机械制造有限公司 | Cooling system of refrigerator compressor |
-
2012
- 2012-11-30 CN CN201210500333.1A patent/CN103850933A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB941241A (en) * | 1962-02-12 | 1963-11-06 | Flexibox Ltd | Improvements relating to mechanical seals for rotating shafts |
| US3588124A (en) * | 1967-12-18 | 1971-06-28 | Guinard Pompes | Sealing device for pumps and other similar machines |
| US3495840A (en) * | 1968-01-22 | 1970-02-17 | Borg Warner | Mechanical seal start-up lubricating arrangement |
| JPH03233189A (en) * | 1990-02-09 | 1991-10-17 | Fuji Photo Film Co Ltd | Sealing device of slurry transportation pump |
| CN200949565Y (en) * | 2006-07-28 | 2007-09-19 | 上海开利泵业（集团）有限公司 | Externally circulating cooling device of pump |
| CN102562534A (en) * | 2012-01-16 | 2012-07-11 | 张家港市金腾化工机械制造有限公司 | Cooling system of refrigerator compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |