CN104929949A - Evacuating device for centrifugal drainage pump and evacuating method - Google Patents
Evacuating device for centrifugal drainage pump and evacuating method Download PDFInfo
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- CN104929949A CN104929949A CN201510306783.0A CN201510306783A CN104929949A CN 104929949 A CN104929949 A CN 104929949A CN 201510306783 A CN201510306783 A CN 201510306783A CN 104929949 A CN104929949 A CN 104929949A
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- pump
- vacuum
- water discharge
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- centrifugal water
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Abstract
The invention discloses an evacuating device for a centrifugal drainage pump and an evacuating method. The evacuating device comprises a water ring vacuum pump connected with the centrifugal drainage pump. According to the evacuating method of the centrifugal drainage pump, the evacuating device is used for evacuating the centrifugal drainage pump. By the aid of the water ring vacuum pump, evacuating only needs four minutes, evacuating speed is doubled, the evacuating requirement of the centrifugal drainage pump can be met, the vacuum degree of the centrifugal drainage pump completely meets pumping requirements, the problems of cavitation and incapability of starting the pump due to water shortage are thoroughly solved, the service life of the pump is prolonged, and the maintenance cost of each pump can be saved by 20%.
Description
Technical field
The present invention relates to large centrifugal draining pump and centrifugal water discharge pump vacuum pumping technology field, underground mine down-hole, be specifically related to a kind of vacuum pumping device and vacuum pumping method of centrifugal water discharge pump.
Background technique
Large centrifugal draining pump and underground mine down-hole centrifugal water discharge pump need to vacuumize before draining, to prevent vacuum pump generation cavitation phenomenon, and then directly affect startup and the damage of pump.
Vacuum pumping before centrifugal water discharge pump draining, adopts jet pump to vacuumize in prior art; Jet pump vacuumizes needs 10 minutes, and not only the pumpdown time is longer, its poor effect vacuumized, and can not meet the use of centrifugal pump; Cause degree of vacuum sometimes not reach and require to produce cavitation phenomenon, directly affect the startup of pump and cause the wearing and tearing of impeller and stator, affecting the working life of pump.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of vacuum pumping rate fast, degree of vacuum can reach requirement, solves cavitation erosion problem, and effectively extends vacuum pumping device and the vacuum pumping method of the centrifugal water discharge pump in the working life of pump.
To achieve these goals, the technical solution used in the present invention is:
The vacuum pumping device of this kind of centrifugal water discharge pump, described vacuum pumping device comprises the Nash hytor be connected with described centrifugal water discharge pump.
Described vacuum pumping device also comprises the jet pump be connected on described centrifugal water discharge pump; Described jet pump and the parallel connection of described Nash hytor.
Described Nash hytor comprises vacuum pump and water tank, the suction tude of described vacuum pump is connected with described centrifugal water discharge pump, the outlet pipe of described vacuum pump is connected with water tank upper end, and described water tank lower end is connected with described vacuum pump water intake, and described vacuum pump is connected with motor.
Described suction tude is provided with air intake control valve.
Described water tank upper end is connected with water tank outlet pipe.
Described vacuum pump has two, and two vacuum pumps are connected with water tank and centrifugal pump respectively.
Described water tank and vacuum pump are all located in frame.
Described centrifugal water discharge pump is located in the ground mine down-hole or is arranged in pump house.
The vacuum pumping method of this kind of centrifugal water discharge pump, utilizes above-mentioned vacuum pumping device to realize, and specific operation process is as follows:
Before centrifugal water discharge pump work, open vacuum pump, open suction tude control valve, vacuum pump by suction tude by after gas suction vacuum pump in centrifugal water discharge pump, discharge from the outlet pipe vacuum pump and enter water tank, discharge after laggard row relax discharged by the water tank outlet pipe of water tank again, realize the rapid vacuumizing of centrifugal water discharge pump.
The invention has the advantages that: the vacuum pumping device of this kind of centrifugal water discharge pump and vacuum pumping method, adopt Nash hytor, vacuumize only need minute, vacuum pumping rate doubles, and what can meet centrifugal water discharge pump vacuumizes demand; The degree of vacuum of centrifugal water discharge pump meets turn on pump requirement completely, thoroughly solves the problem cavitating and cannot start because of lack of water pump; Solve cavitation erosion problem, extend the working life of pump, every platform pump can save 20% maintenance cost simultaneously.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of specification of the present invention below and figure is briefly described:
Fig. 1 is the structural representation of the vacuum pumping device of centrifugal water discharge pump of the present invention.
Mark in above-mentioned figure is:
1, vacuum pump, 2, centrifugal water discharge pump, 3, suction tude, 4, outlet pipe, 5, motor, 6, water tank, 7, outlet pipe, 8, air intake control valve, 9, water tank outlet pipe.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the vacuum pumping device of this kind of centrifugal water discharge pump, vacuum pumping device comprises the Nash hytor be connected with centrifugal water discharge pump 2.Adopt Nash hytor, vacuumize and only need about 4 minutes, vacuum pumping rate doubles, and what can meet centrifugal water discharge pump 2 vacuumizes demand; The degree of vacuum of centrifugal water discharge pump 2 meets turn on pump requirement completely, thoroughly solves the problem cavitating and cannot start because of lack of water pump; Solve cavitation erosion problem, extend the working life of pump, every platform pump can save 20% maintenance cost simultaneously.
Vacuum pumping device also comprises the jet pump be connected on centrifugal water discharge pump 2; Jet pump and Nash hytor parallel connection; Nash hytor uses by pipeline reasonable combination is in parallel with former jet pump, and retain jet pump, jet pump also can come into operation, with conservative control cost.
Nash hytor comprises vacuum pump 1 and water tank 6, the suction tude 3 of vacuum pump 1 is connected with centrifugal water discharge pump 2, and the outlet pipe 4 of vacuum pump 1 is connected with water tank 6 upper end, and water tank 6 lower end is connected with vacuum pump 1 water intake, vacuum pump 1 is connected with motor 5, the power source that motor 5 provides vacuum pump 1 to work.The disposable topped up with water of water tank 6 can be recycled, to ensure the normal operation of vacuum pump 1.
Suction tude 3 is provided with air intake control valve 8.When centrifugal water discharge pump 2 vacuumizes, open air intake control valve 8, after centrifugal water discharge pump 2 has vacuumized, close air intake control valve 8, enter normal working to make centrifugal water discharge pump 2.
Water tank 6 upper end is connected with water tank outlet pipe 9.The gas that water tank outlet pipe 9 is bled for discharging vacuum pump 1.
Vacuum pump 1 has two, and two vacuum pumps 1 are connected with water tank 6 and centrifugal water discharge pump 2 respectively, and two vacuum pumps 1 exchange and use, and ensure the functional reliability of Nash hytor.
Water tank 6 and vacuum pump 1 are all located in frame.Water tank 6 and vacuum pump 1 are arranged on the position of needs by frame, for water tank 6 and vacuum pump 1 provide protective action.
Centrifugal water discharge pump 2 is located in the ground, mine or down-hole or be arranged in pump house.Centrifugal water discharge pump is used for the local drainage works such as underground, mine, down-hole.
The vacuum pumping method of this kind of centrifugal water discharge pump, utilizes above-mentioned vacuum pumping device to realize, and specific operation process is as follows:
Before centrifugal water discharge pump 2 works, open vacuum pump 1, open suction tude control valve 8, vacuum pump 1 passes through suction tude 3 by after gas suction vacuum pump 1 in centrifugal water discharge pump 2, discharge from the outlet pipe 4 vacuum pump 1 and enter water tank 6, discharge after laggard row relax discharged by the water tank outlet pipe 9 of water tank 6 again, realize the rapid vacuumizing of centrifugal water discharge pump.
The vacuum pumping device of this kind of centrifugal water discharge pump and vacuum pumping method, use Nash hytor, the disposable topped up with water of water tank 6 can be recycled; Vacuumize and only need about 4 minutes, vacuum pumping rate doubles, and every platform pump can save 20% maintenance cost, and operation is relatively more directly perceived, sees water tank 6 overflow; Degree of vacuum meets turn on pump requirement completely, thoroughly solves the problem cavitating and cannot start because of lack of water pump; Use and so far any fault does not occur, downhole drainage pump Nash hytor replaces jet pump, and functional reliability is good.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out, all within protection scope of the present invention.
Claims (9)
1. a vacuum pumping device for centrifugal water discharge pump, is characterized in that: described vacuum pumping device comprises the Nash hytor be connected with described centrifugal water discharge pump.
2. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 1, is characterized in that: described vacuum pumping device also comprises the jet pump be connected on described centrifugal water discharge pump; Described jet pump and the parallel connection of described Nash hytor.
3. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 1 or 2, it is characterized in that: described Nash hytor comprises vacuum pump and water tank, the suction tude of described vacuum pump is connected with described centrifugal water discharge pump, the outlet pipe of described vacuum pump is connected with water tank upper end, described water tank lower end is connected with described vacuum pump water intake, and described vacuum pump is connected with motor.
4. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 3, is characterized in that: described suction tude is provided with air intake control valve.
5. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 3, is characterized in that: described water tank upper end is connected with water tank outlet pipe.
6. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 5, it is characterized in that: described vacuum pump has two, two vacuum pumps are connected with water tank and centrifugal pump respectively.
7. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 6, is characterized in that: described water tank and vacuum pump are all located in frame.
8. the vacuum pumping device of centrifugal water discharge pump as claimed in claim 7, is characterized in that: described centrifugal water discharge pump is located in the ground mine down-hole or is arranged in pump house.
9. a vacuum pumping method for centrifugal water discharge pump, utilizes the vacuum pumping device described in any one of claim 1-8 to realize, and it is characterized in that: specific operation process is as follows:
Before centrifugal water discharge pump work, open vacuum pump, open suction tude control valve, vacuum pump by suction tude by after gas suction vacuum pump in centrifugal water discharge pump, discharge from the outlet pipe vacuum pump and enter water tank, discharge after laggard row relax discharged by the water tank outlet pipe of water tank again, realize the rapid vacuumizing of centrifugal water discharge pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306783.0A CN104929949A (en) | 2015-06-04 | 2015-06-04 | Evacuating device for centrifugal drainage pump and evacuating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306783.0A CN104929949A (en) | 2015-06-04 | 2015-06-04 | Evacuating device for centrifugal drainage pump and evacuating method |
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| CN104929949A true CN104929949A (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510306783.0A Pending CN104929949A (en) | 2015-06-04 | 2015-06-04 | Evacuating device for centrifugal drainage pump and evacuating method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253474A (en) * | 2020-09-23 | 2021-01-22 | 辽宁三三工业有限公司 | Pipeline countercurrent automatic blocking device for centrifugal pump system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2040538A1 (en) * | 1970-08-14 | 1972-02-17 | Fass Werner | Suction device for centrifugal pumps |
| CN2608726Y (en) * | 2003-03-09 | 2004-03-31 | 张人典 | Water-ring vacuum self-absorption centrifugal pump |
| CN2789466Y (en) * | 2005-01-10 | 2006-06-21 | 沈阳市耐蚀合金泵厂 | Vacuum exhaust and suction pump |
| CN201363291Y (en) * | 2009-03-13 | 2009-12-16 | 上海水务建设工程有限公司 | High-power pull-type electric-shaft water pump station |
| CN203796630U (en) * | 2014-01-23 | 2014-08-27 | 江阴市宇洁环保科技有限公司 | Water-ring vacuum pump |
| CN204239281U (en) * | 2014-10-11 | 2015-04-01 | 南京梅山冶金发展有限公司 | A kind of high-lift multi-stage centrifugal pump water supply installation |
| CN104652573A (en) * | 2013-11-18 | 2015-05-27 | 中国科学院生态环境研究中心 | Vacuum drainage system technology and device used for collecting municipal wastewater |
-
2015
- 2015-06-04 CN CN201510306783.0A patent/CN104929949A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2040538A1 (en) * | 1970-08-14 | 1972-02-17 | Fass Werner | Suction device for centrifugal pumps |
| CN2608726Y (en) * | 2003-03-09 | 2004-03-31 | 张人典 | Water-ring vacuum self-absorption centrifugal pump |
| CN2789466Y (en) * | 2005-01-10 | 2006-06-21 | 沈阳市耐蚀合金泵厂 | Vacuum exhaust and suction pump |
| CN201363291Y (en) * | 2009-03-13 | 2009-12-16 | 上海水务建设工程有限公司 | High-power pull-type electric-shaft water pump station |
| CN104652573A (en) * | 2013-11-18 | 2015-05-27 | 中国科学院生态环境研究中心 | Vacuum drainage system technology and device used for collecting municipal wastewater |
| CN203796630U (en) * | 2014-01-23 | 2014-08-27 | 江阴市宇洁环保科技有限公司 | Water-ring vacuum pump |
| CN204239281U (en) * | 2014-10-11 | 2015-04-01 | 南京梅山冶金发展有限公司 | A kind of high-lift multi-stage centrifugal pump water supply installation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253474A (en) * | 2020-09-23 | 2021-01-22 | 辽宁三三工业有限公司 | Pipeline countercurrent automatic blocking device for centrifugal pump system |
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Application publication date: 20150923 |