CN217928731U - Condensate pump anti-cavitation water supply system - Google Patents
Condensate pump anti-cavitation water supply system Download PDFInfo
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- CN217928731U CN217928731U CN202222025109.3U CN202222025109U CN217928731U CN 217928731 U CN217928731 U CN 217928731U CN 202222025109 U CN202222025109 U CN 202222025109U CN 217928731 U CN217928731 U CN 217928731U
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Abstract
The utility model provides a condensate pump anti-cavitation water supply system, which comprises a condensate water tank, a condensate pump, a water tank outlet pipeline, a water pump inlet pipeline, a water pump outlet pipeline, an ejector, a diversion pipeline and a return pipeline; the ejector and the water diversion pipeline are arranged, condensed water flowing into the condensed water pump is pressurized through the ejector, and even if the installation height difference between the condensed water tank and the condensed water pump does not meet the installation requirement, the pressure at the inlet of the condensed water pump can be ensured to be always greater than the cavitation pressure at the current water temperature, so that the cavitation phenomenon in the condensed water pump caused by vaporization of the condensed water is avoided, and the condensed water pump is prevented from being damaged; the check valve is arranged on the outlet pipeline of the water pump, and when the condensate pump stops running, the check valve can effectively prevent high-pressure condensate from flowing back into the condensate pump to damage the condensate pump; the backflow pipeline is arranged, so that the minimum flow of the condensate pump is guaranteed, and the condensate pump can be effectively prevented from being damaged by pressure build-up.
Description
Technical Field
The utility model relates to a water pump technical field especially relates to a condensate pump anti-cavitation water supply system.
Background
Most petrochemical plants adopt a limestone-gypsum flue gas desulfurization system to eliminate sulfur dioxide in flue gas, and in order to reduce the discharge amount of desulfurization wastewater and improve the utilization rate of the desulfurization wastewater, a desulfurization wastewater treatment device is required to treat the desulfurization wastewater into condensate water which can be recycled.
Most storage of comdenstion water is in the comdenstion water jar, send to other water points of using outward through the condensate water pump pressurization when using, in order to prevent the emergence of cavitation phenomenon, generally install the condensation water pitcher in the top of condensate water pump, and the difference in mounting height between condensation water pitcher and the condensate water pump is no less than three meters, present common mounting structure is the layering installation, be about to condensation water pitcher and condensate water pump set up the upper and lower two-layer at the factory building respectively, however such mounting structure is limited in the number of piles and the floor height of factory building, when the number of piles and the floor height of factory building can't satisfy the installation requirement of condensation water pitcher and condensate water pump, the pressure of condensate water pump import department can be less than the cavitation pressure under the current temperature, the comdenstion water vaporization, the cavitation phenomenon takes place in the condensate water pump, the cavitation phenomenon not only can reduce the flow of condensate water pump, lift and work efficiency, but also can produce a large amount of noise, make the condensate water pump take place to damage.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a condensate pump anti-cavitation water supply system even the unsatisfactory installation requirement of mounting height difference between condensate water pitcher and the condensate pump, also can avoid leading to the condensate pump in to take place the cavitation phenomenon because the comdenstion water vaporization, has prevented that the condensate pump from taking place to damage.
The technical scheme of the utility model is realized like this: the utility model provides a condensed water pump anti-cavitation water supply system, which comprises a condensed water tank, a condensed water pump, a water tank outlet pipeline, a water pump inlet pipeline and a water pump outlet pipeline, wherein,
the outlet of the condensed water tank is communicated with the inlet of the outlet pipeline of the water tank.
The inlet of the condensed water pump is communicated with the outlet of the water pump inlet pipeline, and the outlet is communicated with the inlet of the water pump outlet pipeline.
Also comprises a jet device and a water diversion pipeline, wherein,
the ejector comprises a water inlet, a water outlet and a water diversion port, wherein,
the water inlet is communicated with the outlet of the water tank outlet pipeline.
The water outlet is communicated with the inlet of the water pump inlet pipeline.
The water diversion port is communicated with the outlet of the water diversion pipeline.
The inlet of the water conduit line is communicated with the outlet of the outlet pipeline of the water pump.
On the basis of the technical scheme, preferably, a first pressure gauge is arranged on the condensed water tank.
On the basis of the above technical scheme, preferably, a first gate valve is arranged between the outlet pipeline and the water inlet of the water tank.
On the basis of the above technical scheme, preferably, a second gate valve is arranged between the water pump inlet pipeline and the water outlet.
Still further preferably, a filter assembly is arranged on the inlet pipeline of the water pump.
On the basis of the technical scheme, preferably, a second pressure gauge is arranged on an outlet pipeline of the water pump.
Still further preferably, a third gate valve is provided between the penstock line and the penstock.
On the basis of the above technical solution, preferably, a check valve is arranged on the outlet pipeline of the water pump.
Still further preferably, a drain valve is further arranged on the outlet pipeline of the water pump, and the drain valve is positioned at the outlet of the check valve.
On the basis of the technical scheme, the condenser further comprises a return pipeline, wherein the inlet of the return pipeline is communicated with the outlet of the outlet pipeline of the water pump, and the outlet of the return pipeline is communicated with the inlet of the condensed water tank.
The utility model discloses following beneficial effect has for prior art:
(1) The ejector and the water diversion pipeline are arranged, condensed water flowing into the condensed water pump is pressurized through the ejector, and even if the installation height difference between the condensed water tank and the condensed water pump does not meet the installation requirement, the pressure at the inlet of the condensed water pump can be ensured to be always greater than the cavitation pressure at the current water temperature, so that the cavitation phenomenon in the condensed water pump caused by vaporization of the condensed water is avoided, and the condensed water pump is prevented from being damaged;
(2) The check valve is arranged on the outlet pipeline of the water pump, and when the condensate pump stops running, the check valve can effectively prevent high-pressure condensate from flowing back into the condensate pump to damage the condensate pump;
(3) Set up the return line, in water supply system's working process, the return line is in the on-state all the time, has guaranteed condensate pump's minimum flow, can prevent effectively that the suppressing pressure from causing the damage to condensate pump.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 view of an anti-cavitation water supply system of a condensate pump of the present invention;
fig. 2 is a schematic structural diagram of the ejector of the present invention.
In the figure: 1. a condensate tank; 11. a first pressure gauge; 2. a condensate pump; 3. a water tank outlet line; 31. a first gate valve; 4. a water pump inlet line; 41. a second gate valve; 42. a filter assembly; 5. a water pump outlet line; 51. a second pressure gauge; 52. a check valve; 53. a drain valve; 6. an ejector; 61. a water inlet; 62. a water outlet; 63. a water diversion port; 7. a water conducting pipeline; 71. a third gate valve; 8. a return line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the utility model discloses a condensate pump anti-cavitation water supply system, including condensate water pitcher 1, condensate pump 2, water pitcher outlet pipeline 3, water pump inlet pipeline 4, water pump outlet pipeline 5, ejector 6, leading water pipeline 7 and backflow pipeline 8.
Condensate water pitcher 1 is as the storage container of comdenstion water, and for the convenience of operating personnel acquires the pressure information of comdenstion water in condensate water pitcher 1, and is concrete, be equipped with first manometer 11 on the condensate water pitcher 1, operating personnel can acquire the pressure information of comdenstion water through observing the measured value on the first manometer 11.
Here, in order to ensure that the liquid level of the condensed water in the condensed water tank 1 is always kept at a certain height, specifically, a liquid level sensor is arranged on the condensed water tank 1, the liquid level sensor is used for feeding back the liquid level information of the condensed water in the condensed water tank 1 to a controller, and when the liquid level of the condensed water is lower than a set value, the controller controls a liquid supplementing tank to supplement the condensed water into the condensed water tank 1.
The condensate pump 2 is used for pressurizing the condensate and sending the condensate to other water consumption points. Before the condensate pump 2 is started, an operator needs to fill condensate into the condensate pump 2, and the condensate pump 2 can not be started until the condensate pump 2 is filled.
The water tank outlet pipeline 3 is used for communicating the condensed water tank 1 and the ejector 6, the inlet of the water tank outlet pipeline 3 is communicated with the outlet of the condensed water tank 1, the outlet of the water tank outlet pipeline 3 is communicated with the water inlet 61 of the ejector 6, and specifically, the first gate valve 31 is arranged between the water tank outlet pipeline 3 and the water inlet 61 of the ejector 6. When the level of the condensed water in the condensed water tank 1 is low, the operator can prevent the water supply system from operating in a low pressure state by closing the first gate valve 31.
The water pump inlet pipeline 4 is used for communicating the condensate pump 2 and the ejector 6, the inlet of the water pump inlet pipeline 4 is communicated with the water outlet 62 of the ejector 6, the outlet of the water pump inlet pipeline 4 is communicated with the inlet of the condensate pump 2, and specifically, the water pump inlet pipeline 4 is provided with the second gate valve 41 and the filtering component 42.
The second gate valve 41 is located between the inlet of the water pump inlet pipeline 4 and the water outlet 62 of the ejector 6, and the filter assembly 42 is used for filtering out impurities in the condensed water, specifically, the filter assembly 42 is located at the outlet of the second gate valve 41, and when the filter assembly 42 needs to be cleaned, repaired or replaced, an operator can disconnect the communication state of the filter assembly 42 by closing the second gate valve 41.
The filter assembly 42 may be composed of a single filter or a plurality of filters connected in parallel, and the plurality of filters may improve the usability of the filter assembly 42 compared to a single filter, such as: (1) the plurality of filters can be combined to form a plurality of filtering structures, the filtering component 42 can filter a plurality of impurities with different particle sizes, and the filtering performance of the filtering component 42 is improved; (2) the multiple filters can be divided into a main filter and a backup filter, and when the main filter in the filter assembly 42 needs to be cleaned, maintained or replaced, an operator can switch the backup filter to continue filtering, thereby improving the practicability of the filter assembly 42.
The water pump outlet pipeline 5 supplies the condensate pump 2 to outwards convey the condensate water, the inlet of the water pump outlet pipeline 5 is communicated with the outlet of the condensate pump 2, so that pressure information of the condensate water in the water pump outlet pipeline 5 is obtained for an operator conveniently, specifically, the second pressure gauge 51 is arranged on the water pump outlet pipeline 5, and the operator can obtain the pressure information of the condensate water by observing a measured value on the second pressure gauge 51.
Still be equipped with check valve 52 and flowing back valve 53 on water pump outlet pipe line 5, check valve 52 is used for preventing that highly compressed comdenstion water from flowing back to causing the damage of condensate pump 2 in the condensate pump 2, flowing back valve 53 locates the exit of check valve 52, and when condensate pump 2 stopped operation, because check valve 52's existence, highly compressed comdenstion water can flow back to the exit of check valve 52, and operating personnel can discharge the comdenstion water in check valve 52 exit through opening flowing back valve 53 this moment.
The ejector 6 is used for pressurizing the condensed water flowing into the condensed water pump 2, the ejector 6 comprises a water inlet 61, a water outlet 62 and a water diversion port 63, the water inlet 61 is communicated with an outlet of the water tank outlet pipeline 3, the water outlet 62 is communicated with an inlet of the water pump inlet pipeline 4, the water diversion port 63 is communicated with an outlet of the water diversion pipeline 7, and in order to guarantee the sealing performance of the water inlet 61 of the ejector 6, specifically, the water inlet 61 of the ejector 6 is provided with an annular sealing element.
When the device is used, condensed water with certain pressure flows in from the water inlet 61 of the ejector 6 at a low speed and flows out from the water outlet 62 of the ejector 6 at a high speed, the pressure energy of the condensed water is converted into speed energy, the water inlet 63 forms vacuum, the water conduit line 7 sucks the condensed water in the water pump outlet pipeline 5 into the ejector 6, two strands of condensed water are mixed and exchanged with energy in the ejector 6, the speed energy of the condensed water is reduced into the pressure energy, and the condensed water flows out from the water outlet 62 of the ejector 6 in a high-pressure state, so that the pressurizing function is realized.
The water diversion pipeline 7 is used for communicating the water pump outlet pipeline 5 and the ejector 6, the inlet of the water diversion pipeline 7 is communicated with the outlet of the water pump outlet pipeline 5, the outlet of the water diversion pipeline 7 is communicated with the water diversion port 63 of the ejector 6, and specifically, a third gate valve 71 is arranged between the water diversion pipeline 7 and the water diversion port 63. The operator can control the third gate valve 71 to close or open depending on the pressure of the condensed water in the water pump outlet line 5: when the pressure of the condensed water in the water pump outlet pipeline 5 is enough, the third gate valve 71 is closed, and the ejector 6 is in a normal conduction state; when the pressure of the condensed water in the water pump outlet line 5 is insufficient, the third gate valve 71 is opened, the ejector 6 is in a pressurized state, and the condensed water flowing into the condensed water pump 2 is pressurized.
The return pipeline 8 is used for communicating the condensed water tank 1 with the water pump outlet pipeline 5 and is used as a minimum flow pipeline of the condensed water pump 2, an inlet of the return pipeline 8 is communicated with an outlet of the water pump outlet pipeline 5, and an outlet of the return pipeline 8 is communicated with an inlet of the condensed water tank 1. In the working process of the water supply system, the return pipeline 8 is always in a conducting state, the minimum flow of the condensate pump 2 is ensured, and the condensate pump 2 can be effectively prevented from being damaged by pressure build-up.
The working principle is as follows: as shown in fig. 1 and 2, firstly, the liquid level of the condensed water in the condensed water tank 1 is maintained at a certain height, then the condensed water is filled into the condensed water pump 2 until the condensed water pump 2 is filled, then the condensed water pump 2 is started, after the condensed water pump 2 normally operates, the first gate valve 31, the second gate valve 41 and the third gate valve 71 are opened, at this time, the ejector 6 is in a pressurized state, and the condensed water flowing into the condensed water pump 2 is pressurized.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A condensed water pump anti-cavitation water supply system comprises a condensed water tank (1), a condensed water pump (2), a water tank outlet pipeline (3), a water pump inlet pipeline (4) and a water pump outlet pipeline (5), wherein,
the outlet of the condensed water tank (1) is communicated with the inlet of the water tank outlet pipeline (3);
the inlet of the condensate pump (2) is communicated with the outlet of the water pump inlet pipeline (4), and the outlet is communicated with the inlet of the water pump outlet pipeline (5);
the method is characterized in that: also comprises an ejector (6) and a water conduit pipe (7), wherein,
the ejector (6) comprises a water inlet (61), a water outlet (62) and a water diversion port (63), wherein,
the water inlet (61) is communicated with the outlet of the water tank outlet pipeline (3);
the water outlet (62) is communicated with the inlet of the water pump inlet pipeline (4);
the water diversion port (63) is communicated with the outlet of the water diversion pipeline (7);
the inlet of the water conduit (7) is communicated with the outlet of the outlet pipeline (5) of the water pump.
2. The condensate pump anti-cavitation water supply system as claimed in claim 1, wherein: and a first pressure gauge (11) is arranged on the condensed water tank (1).
3. The condensate pump anti-cavitation water supply system as claimed in claim 1, wherein: a first gate valve (31) is arranged between the water tank outlet pipeline (3) and the water inlet (61).
4. The condensate pump anti-cavitation water supply system as claimed in claim 1, wherein: and a second gate valve (41) is arranged between the water pump inlet pipeline (4) and the water outlet (62).
5. The condensate pump anti-cavitation water supply system as claimed in claim 1 or 4, wherein: and a filtering component (42) is arranged on the water pump inlet pipeline (4).
6. The condensate pump anti-cavitation water supply system as claimed in claim 1, wherein: and a second pressure gauge (51) is arranged on the water pump outlet pipeline (5).
7. The condensate pump anti-cavitation water supply system as claimed in claim 1 or 6, wherein: and a third gate valve (71) is arranged between the water diversion pipeline (7) and the water diversion port (63).
8. The condensate pump anti-cavitation water supply system as claimed in claim 1, wherein: and a check valve (52) is arranged on the water pump outlet pipeline (5).
9. The condensate pump anti-cavitation water supply system of claim 8, wherein: a drain valve (53) is arranged on the outlet pipeline (5) of the water pump, and the drain valve (53) is positioned at the outlet of the check valve (52).
10. The condensate pump anti-cavitation water supply system as claimed in claim 1, wherein: the condenser is characterized by further comprising a return pipeline (8), wherein an inlet of the return pipeline (8) is communicated with an outlet of the water pump outlet pipeline (5), and an outlet of the return pipeline is communicated with an inlet of the condensed water tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222025109.3U CN217928731U (en) | 2022-08-02 | 2022-08-02 | Condensate pump anti-cavitation water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222025109.3U CN217928731U (en) | 2022-08-02 | 2022-08-02 | Condensate pump anti-cavitation water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217928731U true CN217928731U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222025109.3U Active CN217928731U (en) | 2022-08-02 | 2022-08-02 | Condensate pump anti-cavitation water supply system |
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| CN (1) | CN217928731U (en) |
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- 2022-08-02 CN CN202222025109.3U patent/CN217928731U/en active Active
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