CN209603227U - A kind of water supply device rinsing water system for novel pneumatic mechanical seal of feed pump - Google Patents
A kind of water supply device rinsing water system for novel pneumatic mechanical seal of feed pump Download PDFInfo
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- CN209603227U CN209603227U CN201822168425.XU CN201822168425U CN209603227U CN 209603227 U CN209603227 U CN 209603227U CN 201822168425 U CN201822168425 U CN 201822168425U CN 209603227 U CN209603227 U CN 209603227U
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Abstract
The utility model provides a kind of water supply device that water system is rinsed for novel pneumatic mechanical seal of feed pump, including condensate tank, condensate tank water supply module, condensate tank moisturizing module and control module；The condensate tank is for keeping in condensed water；Condensate tank water supply module includes water supply line and water supply pump；Condensate tank moisturizing module includes for being connected to condensate tank and condensing the moisturizing pipeline of water out main pipe；Control module includes water-level gauge and controller；Water-level gauge is arranged in condensate tank, and water-level gauge is electrically connected with the controller, and the control terminal of water supply pump is electrically connected with the controller；The utility model can will condense water out main pipe outflow condensed water by moisturizing pipeline be sent into condensate tank, recycle water supply pump be pneumatic mechanical seal of feed pump rinse water system supply condensed water, water supply pump can converting operation, saved the energy.
Description
Technical Field
The utility model relates to a pneumatic water feed pump mechanical seal structure water supply field among the thermal power industry especially relates to a water supply installation that is used for novel pneumatic water feed pump mechanical seal flushing water system.
Background
A shaft end sealing mechanism of a 1000MW pneumatic water feeding pump in the thermal power generation industry adopts a mechanical seal produced by German Bogman company, a flushing water system is arranged on the mechanical seal, the flushing water system is provided with a filter, a cooler and the like, and the flushing water system has the main function of taking away heat generated in the operation process of the mechanical seal; secondly, the washing function is to take away carbon powder and the like generated by dynamic and static friction of mechanical seal and filter the carbon powder and the like through an external magnetic filter screen; according to the water supply characteristic of the supercritical unit and the limitation of the rotation speed of the mechanical seal, the flushing water system adopts a mode of injecting condensed water into the mechanical seal, and the service life of the mechanical seal is prolonged.
However, the condensate water supply of the existing pneumatic water-feeding pump mechanical seal flushing water system is supplied by a condensate outlet main pipe, the pressure requirement of the water supply of the water source is 0.05MPa greater than the pressure of the outlet of the pneumatic water-feeding pump, and the requirement can be met only when the water-feeding pump needs to run close to the power frequency, so that the water-feeding pump cannot run in a frequency conversion mode, and the power consumption is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water supply installation that is used for novel pneumatic water feed pump mechanical seal wash water system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water supply device for a novel pneumatic water supply pump mechanical seal flushing water system comprises a condensation water tank, a condensation water tank water supply module, a condensation water tank water supplement module and a control module; wherein,
the condensation water tank is used for temporarily storing condensation water, a water supply hole is formed in the lower portion of the condensation water tank, and a water replenishing hole is formed in the upper portion of the condensation water tank;
the condensed water tank water supply module comprises a water supply pipeline and a water supply pump, the water supply pipeline is used for communicating the condensed water tank with the pneumatic water supply pump mechanical seal flushing system through a water supply hole, and the water supply pump is arranged on the water supply pipeline and is used for providing power for the condensed water flowing from the condensed water tank to the pneumatic water supply pump mechanical seal flushing system;
the condensed water tank water supplementing module comprises a water supplementing pipeline for communicating the condensed water tank with the condensed water outlet main pipe;
the control module comprises a water level meter and a controller; the water level meter is arranged in the condensed water tank and electrically connected with the controller, and the control end of the water supply pump is electrically connected with the controller.
Still be provided with filter module in the condensate tank, filter module adopts the magnetism filter screen, and the moisturizing pipeline is used for communicateing the female pipe of magnetism filter screen and condensate outlet.
And the upper end of the condensation water tank is also provided with an overflow hole.
The water level meter adopts a floating ball liquid level sensor, the controller adopts an industrial personal computer, and the floating ball liquid level sensor is electrically connected with the controller.
The water supply pump includes first water supply pump and second water supply pump, the water supply pipe includes first water supply pipe, second water supply pipe and main water supply pipeline, the water supply hole includes first water supply hole and second water supply hole, and first water supply pipe is used for feeding through first water supply hole intercommunication condensate tank and main water supply pipeline, and first water supply pump sets up on first water supply pipe, and the second water supply pipe is used for feeding through second water supply hole intercommunication condensate tank and main water supply pipeline, and the second water supply pump sets up on the second water supply pipe, main water supply pipeline and pneumatic feed pump mechanical seal sparge water system intercommunication.
The first water supply pipeline is provided with a first electromagnetic valve, a first safety valve and a first pressure gauge, the second water supply pipeline is provided with a second electromagnetic valve, a second safety valve and a second pressure gauge, and the control ends of the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller.
The main water supply pipeline is provided with a main pipeline pressure gauge and a main pipeline pressure sensor, and the main pipeline pressure sensor is electrically connected with the controller.
And a water replenishing electromagnetic valve is arranged on the water replenishing pipeline, and the control end of the water replenishing electromagnetic valve is electrically connected with the controller.
A respirator is also arranged on the condensation water tank.
The utility model has the advantages that:
the utility model discloses a water supply installation for novel pneumatic water feed pump mechanical seal sparge water system, can send the condensate water that condensate water outlet main pipe flows into the condensate tank through moisturizing pipeline, recycle the water supply pump and supply the condensate water for pneumatic water feed pump mechanical seal sparge water system, the water supply pump can the variable frequency operation, has practiced thrift the energy; meanwhile, the controller can control the water supply pump to be switched on and off according to water level information in the condensed water tank collected by the water level meter, convenience and practicability are achieved, and continuity of condensed water supply in a pneumatic water supply pump mechanical seal flushing water system is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1: the utility model relates to a water supply device for a novel pneumatic water supply pump mechanical seal flushing water system, which comprises a condensation water tank 1, a condensation water tank water supply module, a condensation water tank water supplement module and a control module; the condensation water tank 1 is used for temporarily storing condensation water, a water supply hole is formed in the lower portion of the condensation water tank 1, and a water replenishing hole is formed in the upper portion of the condensation water tank 1; the condensed water tank water supply module comprises a water supply pipeline and a water supply pump, the water supply pipeline is used for communicating the condensed water tank 1 and the pneumatic water supply pump mechanical seal flushing system through a water supply hole, and the water supply pump is arranged on the water supply pipeline and used for providing power for the condensed water flowing from the condensed water tank 1 to the pneumatic water supply pump mechanical seal flushing system; the condensed water tank water supplementing module comprises a water supplementing pipeline 2 for communicating the condensed water tank with a condensed water outlet main pipe, the condensed water outlet main pipe is used for supplying condensed water for other associated equipment of the thermal power plant, namely the condensed water outlet main pipe is provided with a power system; the control module comprises a water level meter 5 and a controller; the water level gauge 5 is arranged in the condensation water tank 1, the water level gauge 5 is electrically connected with the controller, and the control end of the water supply water pump is electrically connected with the controller.
The utility model discloses a water supply installation for novel pneumatic water feed pump mechanical seal sparge water system, can send the condensate water that condensate water outlet main pipe flows out into condensate tank 1 through moisturizing pipeline 2, recycle water supply pump and supply the condensate water for pneumatic water feed pump mechanical seal sparge water system, water supply pump can the variable frequency operation, has practiced thrift the energy; simultaneously, the controller can also control the switching of moisturizing pipeline 2 and water supply pump according to the water level information control in the condensate tank 1 that fluviograph 5 gathered, convenient and practical guarantees the continuity of condensate supply among the pneumatic feed pump mechanical seal sparge water system.
The preferred scheme is as follows: a filtering module is further arranged in the condensed water tank 1, the filtering module adopts a magnetic filter screen 6, and the water replenishing pipeline 2 is used for communicating the magnetic filter screen 6 with a condensed water outlet main pipe; because the condensed water flowing out of the condensed water outlet main pipe contains carbon powder generated by dynamic and static friction of mechanical seal, the magnetic filter screen 6 can adsorb the carbon powder, the carbon powder is prevented from circularly entering the mechanical seal structure of the pneumatic water feeding pump, and the mechanical seal of the pneumatic water feeding pump is further protected.
The preferred scheme is as follows: the upper end of the condensation water tank 1 is also provided with an overflow hole 7; in the utility model, the volume of the condensate tank 1 is 1250L, the effective volume is 1000L, and the overflow hole 7 is arranged at the height of the condensate tank 1 with the volume of 1000L, so that the condensate water supply module can continuously supply water for 20 minutes when the condensate tank water replenishing module stops running; furthermore, the water pressure in the condensate tank 1 can be automatically adjusted due to the arrangement of the overflow holes 7, when the water replenishing module of the condensate tank continuously operates due to faults, redundant condensate can be discharged through the overflow holes 7, and the situation that the pressure in the condensate tank 1 continuously rises is prevented.
The preferred scheme is as follows: the water level meter 5 adopts a floating ball liquid level sensor, the controller adopts an industrial personal computer, and the floating ball liquid level sensor is electrically connected with the controller; the floating ball liquid level sensor can collect liquid level information in the condensation water tank 1 in real time, and provides reliable basis for the action of the controller.
The preferred scheme is as follows: the water supply pump comprises a first water supply pump 15 and a second water supply pump 19, the water supply pipelines comprise a first water supply pipeline 14, a second water supply pipeline 20 and a main water supply pipeline 3, the water supply holes comprise a first water supply hole and a second water supply hole, the first water supply pipeline 14 is used for communicating the condensed water tank 1 and the main water supply pipeline 3 through the first water supply hole, the first water supply pump 15 is arranged on the first water supply pipeline 14, the second water supply pipeline 20 is used for communicating the condensed water tank 1 and the main water supply pipeline 3 through the second water supply hole, the second water supply pump 19 is arranged on the second water supply pipeline 20, and the main water supply pipeline 3 is communicated with a mechanical seal washing water system of the pneumatic water supply pump; a main pipe pressure gauge 9 and a main pipe pressure sensor 10 are arranged on the main water supply pipe 3, and the main pipe pressure sensor 10 is electrically connected with the controller; when the controller judges that the pressure in the main water supply pipeline 3 is too low through the pressure sensor 10 arranged on the main water supply pipeline 3, the first water supply pump 15 and the second water supply pump 19 can be controlled to operate simultaneously, and the water supply pressure of the condensed water is ensured to meet the requirement; when the controller judges that the pressure in the main water supply pipeline 3 is normal through the pressure sensor 10 arranged on the main water supply pipeline 3, the first water supply pump 15 or the second water supply pump 19 can be controlled to operate independently, and electric power energy is saved; further, the staff still can follow the pressure of the audio-visual judgement main water supply pipe 3 of the manometer 9 that sets up on the main water supply pipe 3 at the scene, when preventing the pressure sensor 10 trouble on the main water supply pipe 3, the condition that can't accurately judge 3 actual pressure of main water supply pipe takes place, and is further, still provides the foundation for the staff judges whether pressure sensor 10 on the main water supply pipe 3 damages.
The preferred scheme is as follows: a first electromagnetic valve 11, a first safety valve 13 and a first pressure gauge 12 are arranged on the first water supply pipeline 14, a second electromagnetic valve 16, a second safety valve 18 and a second pressure gauge 17 are arranged on the second water supply pipeline 20, and the control ends of the first electromagnetic valve 11 and the second electromagnetic valve 16 are electrically connected with a controller; taking the first solenoid valve 11, the first safety valve 13 and the first pressure gauge 12 as an example: when the controller detects that the water level in the condensate tank 1 is not lower than the minimum value specified by the industry through the water level gauge 5 arranged in the condensate tank 1, the controller controls the first electromagnetic valve 11 to be opened, namely, the first water supply pipeline 14 is ensured to be smooth, and the first water supply pump 15 can send condensate water into the pneumatic water supply pump for mechanical sealing when acting, namely, the first electromagnetic valve 11 can provide safety protection for the condensate water supply, so that the first water supply pump 15 is prevented from idling when the condensate water level in the condensate tank 1 is too low; further, when the pressure in the first water supply pipeline 14 is too high, the first safety valve 13 can automatically discharge water to adjust the pressure in the first water supply pipeline 14; further, the pressure of the first water supply pipeline 14 can be visually judged by the staff on the spot from a first pressure gauge 12 arranged on the first water supply pipeline 14.
The preferred scheme is as follows: the water replenishing pipeline 2 is provided with a water replenishing electromagnetic valve 4, and the control end of the water replenishing electromagnetic valve 4 is electrically connected with the controller; when the controller detects through the water level gauge 5 that sets up in condensate tank 1 that the water level in the condensate tank 1 is higher than the maximum value of trade regulation, controller control moisturizing solenoid valve 4 closes, blocks moisturizing pipeline 2 promptly, avoids when damaging because of condensate tank moisturizing module, and the condition that condensate outlet main pipe lasts for 1 moisturizing of condensate tank takes place.
The preferred scheme is as follows: the condensation water tank 1 is also provided with a breather 8, so that the pressure in the condensation water tank 1 can be adjusted independently.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a water supply installation that is used for novel pneumatic feed pump mechanical seal wash water system which characterized in that: the system comprises a condensation water tank, a condensation water tank water supply module and a control module; wherein,
the condensation water tank is used for temporarily storing condensation water, a water supply hole is formed in the lower portion of the condensation water tank, and a water replenishing hole is formed in the upper portion of the condensation water tank;
the condensed water tank water supply module comprises a water supply pipeline and a water supply pump, the water supply pipeline is used for communicating the condensed water tank with the pneumatic water supply pump mechanical seal flushing system through a water supply hole, and the water supply pump is arranged on the water supply pipeline and is used for providing power for the condensed water flowing from the condensed water tank to the pneumatic water supply pump mechanical seal flushing system;
the condensed water tank water supplementing module comprises a water supplementing pipeline for communicating the condensed water tank with the condensed water outlet main pipe;
the control module comprises a water level meter and a controller; the water level meter is arranged in the condensed water tank and electrically connected with the controller, and the control end of the water supply pump is electrically connected with the controller.
2. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 1, is characterized in that: still be provided with filter module in the condensate tank, filter module adopts the magnetism filter screen, and the moisturizing pipeline is used for communicateing the female pipe of magnetism filter screen and condensate outlet.
3. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 2, is characterized in that: and the upper end of the condensation water tank is also provided with an overflow hole.
4. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 1, is characterized in that: the water level meter adopts a floating ball liquid level sensor, the controller adopts an industrial personal computer, and the floating ball liquid level sensor is electrically connected with the controller.
5. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 1, is characterized in that: the water supply pump includes first water supply pump and second water supply pump, the water supply pipe includes first water supply pipe, second water supply pipe and main water supply pipeline, the water supply hole includes first water supply hole and second water supply hole, and first water supply pipe is used for feeding through first water supply hole intercommunication condensate tank and main water supply pipeline, and first water supply pump sets up on first water supply pipe, and the second water supply pipe is used for feeding through second water supply hole intercommunication condensate tank and main water supply pipeline, and the second water supply pump sets up on the second water supply pipe, main water supply pipeline and pneumatic feed pump mechanical seal sparge water system intercommunication.
6. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 5, is characterized in that: the first water supply pipeline is provided with a first electromagnetic valve, a first safety valve and a first pressure gauge, the second water supply pipeline is provided with a second electromagnetic valve, a second safety valve and a second pressure gauge, and the control ends of the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller.
7. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 5, is characterized in that: the main water supply pipeline is provided with a main pipeline pressure gauge and a main pipeline pressure sensor, and the main pipeline pressure sensor is electrically connected with the controller.
8. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 1, is characterized in that: and a water replenishing electromagnetic valve is arranged on the water replenishing pipeline, and the control end of the water replenishing electromagnetic valve is electrically connected with the controller.
9. The water supply device for the novel pneumatic water feed pump mechanical seal flushing water system according to claim 1, is characterized in that: a respirator is also arranged on the condensation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822168425.XU CN209603227U (en) | 2018-12-24 | 2018-12-24 | A kind of water supply device rinsing water system for novel pneumatic mechanical seal of feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822168425.XU CN209603227U (en) | 2018-12-24 | 2018-12-24 | A kind of water supply device rinsing water system for novel pneumatic mechanical seal of feed pump |
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| Publication Number | Publication Date |
|---|---|
| CN209603227U true CN209603227U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822168425.XU Active CN209603227U (en) | 2018-12-24 | 2018-12-24 | A kind of water supply device rinsing water system for novel pneumatic mechanical seal of feed pump |
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| Country | Link |
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| CN (1) | CN209603227U (en) |
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- 2018-12-24 CN CN201822168425.XU patent/CN209603227U/en active Active
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