CN204239216U - With the transfer pump of mechanical seal leakage detection device - Google Patents
With the transfer pump of mechanical seal leakage detection device Download PDFInfo
- Publication number
- CN204239216U CN204239216U CN201420672831.9U CN201420672831U CN204239216U CN 204239216 U CN204239216 U CN 204239216U CN 201420672831 U CN201420672831 U CN 201420672831U CN 204239216 U CN204239216 U CN 204239216U
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- China
- Prior art keywords
- mechanical seal
- transfer pump
- fuel tank
- hydraulic line
- detection device
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- Expired - Fee Related
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Abstract
The utility model provides a kind of transfer pump with mechanical seal leakage detection device, it is characterized in that, it is provided with mechanical seal leakage detection device on transfer pump body, and this device is made up of two connecting heads, fuel tank, oil hydraulic pump unit, relief valve, liquid level sensor, pressure transducer, control panel and hydraulic line; Its effect is: the generation of the accident such as leakage waste, environmental pollution, fire, blast that 1, can prevent transfer pump from bringing because of mechanical seal leakage when carrying flammable and combustible liquids; 2, can improve the working environment of mechanical seal, prolonged mechanical seals working life; 3, the reliability of transfer pump work can being improved, guarantee safe production, economize on resources, reducing the pollution because leaking environment.
Description
Technical field: the utility model relates to a kind of transfer pump mainly for delivery of flammable and combustible liquids of improvement, particularly a kind of transfer pump with mechanical seal leakage detection device.
Background technique: in the industries such as existing oil, chemical industry, various inflammable and explosive liquid material all adopts transfer pump to carry.Existing conveying pump structure is see accompanying drawing 1, and primarily of the pump housing 1, main shaft 2, mechanical seal, on the pressure side assembly 3, mechanical seal 4, mechanical seal atmospheric side assembly 5, bearing 6 form for it.The deficiency that this kind of transfer pump in use exists is: 1, have potential safety hazard, be subject to fire, explosive accident; 2, easily there is environmental pollution; 3, easily there is waste, cause cost of production high.The existence of this series of problems, its main cause is, whether the existing transfer pump neither one that is in operation exists its mechanical seal and leak the device of monitoring; Because mechanical seal relies on dynamic and static ring friction pair to carry out dynamic seal (packing), and easily go wrong in long-term operation between friction pair; So, once the mechanical seal of transfer pump goes wrong and leaks, then its medium carried can be made to leak in a large number, not only cause waste, but also befouling environment, serious then breaking out of fire, explosive accident, cause serious security threat to the life and health of production and operator.In addition, existing transfer pump is not when the material carried possesses lubricity and operating mode is severe, and its working life can shorten greatly.
Summary of the invention: the purpose of this utility model is, for existing for carrying the transfer pump in use above shortcomings of flammable and combustible liquids, and a kind of transfer pump with mechanical seal leakage detection device is proposed, it can carry out Real-Time Monitoring to the mechanical seal of transfer pump, once there is the situation of leaking in mechanical seal, get final product and alarm, thus the problem avoiding fed sheet of a media to leak in a large number produces, thus also prevent the generation of the accidents such as waste, environmental pollution, fire, blast.
The purpose of this utility model can be realized by following technical proposals, a kind of transfer pump with mechanical seal leakage detection device, comprise transfer pump body, it is characterized in that, also comprise mechanical seal leakage detection device, it is made up of two connecting heads, fuel tank, oil hydraulic pump unit, relief valve, liquid level sensor, pressure transducer, control panel and hydraulic line; Two connecting heads respectively correspondence are located at transfer pump bulk mechanical Seal cage place, a connecting head is connected with oil hydraulic pump unit by hydraulic line, in this section of hydraulic line, be provided with pressure transducer, oil hydraulic pump unit is connected with fuel tank by hydraulic line, is provided with liquid level sensor in fuel tank; Another connecting head is connected with relief valve by hydraulic line, and relief valve is connected with fuel tank by hydraulic line; Pressure transducer and liquid level sensor are all electrically connected with control panel, and being provided with in control panel reports to the police is arranged.
For making grasp when patrolling and examining the liquid level of auxiliary seal liquid and the situation of pressure in fuel tank, in fuel tank, be provided with level meter; Pressure gauge is provided with in the hydraulic line being provided with pressure transducer.
Run under optimum working temperature to make detection device, temperature transducer, thermometer, duct thermostat is provided with in fuel tank, in the hydraulic line that relief valve is connected with fuel tank, be provided with duct thermostat, temperature transducer and duct thermostat are electrically connected with control panel.
For preventing having impurity to damage mechanical seal in oil, in the hydraulic line that oil hydraulic pump unit is connected with fuel tank, be provided with filter.
Effect of the present utility model is: the generation of the accident such as leakage waste, environmental pollution, fire, blast that 1, can prevent transfer pump from bringing because of mechanical seal leakage when carrying flammable and combustible liquids; This is to be provided with mechanical seal leakage detection device in this device, and it can the working state of Real-Time Monitoring mechanical seal, once there is the situation of mechanical seal leakage, it can and alarm, teaching process personnel go process; 2, can improve the working environment of mechanical seal, prolonged mechanical seals working life, because auxiliary seal liquid is the liquid having good lubricating properties, the attrition surface of the dynamic and static ring of mechanical seal forms lubricating liquid film, reduces the wearing and tearing of dynamic and static ring; 3, the reliability of transfer pump work can being improved, guarantee safe production, economize on resources, reducing the pollution because leaking environment.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation (broken section) of existing transfer pump.
Accompanying drawing 2 is structural representation of the present utility model (broken section).
Below in conjunction with embodiment and accompanying drawing, the utility model is set forth further:
Embodiment:
Embodiment: see accompanying drawing 2, a kind of transfer pump with mechanical seal leakage detection device, it is made up of transfer pump body and mechanical seal leakage detection device.By the pump housing 1, main shaft 2, mechanical seal, on the pressure side assembly 3, mechanical seal 4, mechanical seal atmospheric side assembly 5, bearing 6 form transfer pump body; Mechanical seal leakage detection device, is made up of two connecting heads 7, fuel tank 8, oil hydraulic pump unit 9, relief valve 10, liquid level sensor 11, pressure transducer 12, control panel (not shown) and hydraulic line 13, level meter 14, pressure gauge 15, temperature transducer 16, thermometer 17, duct thermostat 18, filter 19; Two connecting heads 7 respectively correspondence are located at transfer pump bulk mechanical Seal cage place, a connecting head 7 is connected with oil hydraulic pump unit 9 by hydraulic line 13, pressure transducer 12 is provided with in this section of hydraulic line 13, oil hydraulic pump unit 9 is connected with fuel tank 8 by hydraulic line 13, is provided with liquid level sensor 11 in fuel tank 8; Another connecting head 7 is connected with relief valve 10 by hydraulic line 13, and relief valve 10 is connected with fuel tank 8 by hydraulic line 13; Pressure transducer 12 and liquid level sensor equal 11 are electrically connected with control panel, and being provided with in control panel reports to the police is arranged, and the electric signal that control panel has liquid level sensor 11, pressure transducer 12 and temperature transducer 16 transmit carries out process and warning function.For making grasp when patrolling and examining the liquid level of auxiliary seal liquid and the situation of pressure in fuel tank 8, in fuel tank 8, be provided with level meter 14; Pressure gauge 15 is provided with in the hydraulic line 13 being provided with pressure transducer 12.Run under optimum working temperature to make detection device, temperature transducer 16 and thermometer 17 is provided with in fuel tank 8, in the hydraulic line 13 that relief valve 10 is connected with fuel tank 8, be provided with duct thermostat 18, temperature transducer 16 and duct thermostat 18 are electrically connected with control panel.For preventing having impurity to damage mechanical seal in auxiliary seal liquid, in the hydraulic line 13 that oil hydraulic pump unit 9 is connected with fuel tank 8, be provided with filter 19.
Operation procedure and the setting of this device are: when conveying has a good lubricating properties liquid material, lubricant oil (auxiliary seal liquid) is injected in fuel tank 8, injecting oil mass is the high liquid level of level meter 14 and the neutral position of low liquid level, and the high liquid level warning of liquid level sensor 11 and low liquid level warning height set and be consistent with the high and low liquid level of level meter; When mechanical seal 4 leakage failure, have following 3 kinds may: (1), auxiliary seal liquid from mechanical seal on the pressure side assembly 3 bleed in transfer pump, in fuel tank 8 liquid level decline, when liquid level is down to low liquid level alarm, detect that mechanical seal 4 is leaked; (2), auxiliary seal liquid to bleed atmospheric side from mechanical seal atmospheric side assembly 5, and in fuel tank 8, liquid level declines, and when liquid level is down to low liquid level alarm, detects that mechanical seal 4 is leaked; (3), in pump delivering liquid material from mechanical seal on the pressure side assembly 3 bleed in mechanical seal active chamber, to enter in fuel tank 8, cause liquid level in fuel tank 8 to rise, when liquid level rises to high liquid level alarm, detect that mechanical seal 4 is leaked.(under nominal operating condition, the working pressure of auxiliary seal liquid is higher than pump chamber pressure, and auxiliary seal liquid may bleed in pump, but in pump, material can not bleed Seal cage).The effect of relief valve (also can be back pressure valve) 10 is working pressures of setting auxiliary seal liquid, the working pressure setting value of auxiliary seal liquid is: >=transfer pump working pressure 0.15 ~ 0.3MPa, makes the pressure of a little higher than transfer pump of Seal cage pressure on the pressure side (pump inner chamber); The pressure alarm setting value of pressure transducer is: >=transfer pump working pressure 0.10MPa; shutdown setting value is: >=transfer pump working pressure 0.05MPa; such as: the rated working pressure 1.0MPa of transfer pump; the delivery pressure of Lubricating-oil Station auxiliary seal liquid is set as 1.15 ~ 1.3MPa; when Lubricating-oil Station delivery pressure is lower than 1.1MPa, pressure signal is reported to the police, when Lubricating-oil Station delivery pressure is lower than 1.05MPa; pressure signal is reported to the police, transfer pump autostop.When carrying the inflammable and explosive liquid material of unlubricated property, the sealing auxiliary liquid of fuel tank 8 selects the lubricating liquid compatible mutually with pumping material, and pumping material can be diluted, although the bleed possibility in mechanical seal chamber of material is low in pump, if material in pump is once the mechanical seal active chamber that bleeds, also diluted by sealing auxiliary liquid, reduce the volatilization of inflammable gas, reach fire preventing accident and occur.
Claims (4)
1. the transfer pump with mechanical seal leakage detection device, comprise transfer pump body, it is characterized in that, also comprise mechanical seal leakage detection device, it is made up of two connecting heads, fuel tank, oil hydraulic pump unit, relief valve, liquid level sensor, pressure transducer, control panel and hydraulic line; Two connecting heads respectively correspondence are located at transfer pump bulk mechanical Seal cage place, a connecting head is connected with oil hydraulic pump unit by hydraulic line, in this section of hydraulic line, be provided with pressure transducer, oil hydraulic pump unit is connected with fuel tank by hydraulic line, is provided with liquid level sensor in fuel tank; Another connecting head is connected with relief valve by hydraulic line, and relief valve is connected with fuel tank by hydraulic line; Pressure transducer and liquid level sensor are all electrically connected with control panel, and being provided with in control panel reports to the police is arranged.
2., by the transfer pump of band mechanical seal leakage detection device according to claim 1, it is characterized in that, in fuel tank, be provided with level meter; Pressure gauge is provided with in the hydraulic line being provided with pressure transducer.
3. by the transfer pump of band mechanical seal leakage detection device according to claim 1, it is characterized in that, temperature transducer, thermometer, duct thermostat is provided with in fuel tank, in the hydraulic line that relief valve is connected with fuel tank, be provided with duct thermostat, temperature transducer and duct thermostat are electrically connected with control panel.
4. press the transfer pump of claim 1 or the band mechanical seal leakage detection device described in 2 or 3, it is characterized in that, in the hydraulic line that oil hydraulic pump unit is connected with fuel tank, be provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672831.9U CN204239216U (en) | 2014-10-23 | 2014-10-23 | With the transfer pump of mechanical seal leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672831.9U CN204239216U (en) | 2014-10-23 | 2014-10-23 | With the transfer pump of mechanical seal leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239216U true CN204239216U (en) | 2015-04-01 |
Family
ID=52768721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420672831.9U Expired - Fee Related CN204239216U (en) | 2014-10-23 | 2014-10-23 | With the transfer pump of mechanical seal leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454482A (en) * | 2014-10-23 | 2015-03-25 | 江西新德工业泵有限责任公司 | Conveying pump provided with mechanical seal leakage detection device |
| CN106224227A (en) * | 2016-08-31 | 2016-12-14 | 高松标 | Warning system is revealed in a kind of oil transfer pump mechanical seal |
-
2014
- 2014-10-23 CN CN201420672831.9U patent/CN204239216U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454482A (en) * | 2014-10-23 | 2015-03-25 | 江西新德工业泵有限责任公司 | Conveying pump provided with mechanical seal leakage detection device |
| CN106224227A (en) * | 2016-08-31 | 2016-12-14 | 高松标 | Warning system is revealed in a kind of oil transfer pump mechanical seal |
| CN106224227B (en) * | 2016-08-31 | 2018-10-23 | 高松标 | A kind of oil transportation pump mechanical sealing leakage alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20181023 |