CN202834766U - Diaphragm pump test run pipe network - Google Patents
Diaphragm pump test run pipe network Download PDFInfo
- Publication number
- CN202834766U CN202834766U CN 201220473104 CN201220473104U CN202834766U CN 202834766 U CN202834766 U CN 202834766U CN 201220473104 CN201220473104 CN 201220473104 CN 201220473104 U CN201220473104 U CN 201220473104U CN 202834766 U CN202834766 U CN 202834766U
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- China
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- water tank
- test run
- diaphragm pump
- water
- pump test
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- Expired - Fee Related
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Abstract
Provided is a diaphragm pump test run pipe network. The diaphragm pump test run pipe network relates to a structure improvement of the diaphragm pump test run pipe network. The diaphragm pump test run pipe network provides a continuously reduced test run feed pressure and can make sure necessary net positive suction head. The diaphragm pump test run pipe network comprises a first water tank with a first water supply pipe and a first water return pipe. The structural feature of the diaphragm pump test run pipe network is that the first water return pipe through a first conversion valve is connected to return water gap of cavitation experiment water tank of continuously drain water reduce head. Water outlet of the cavitation experiment water tank is connected to the first water supply pipe.
Description
Technical field
The utility model relates to a kind of improvement of diaphragm pump test run pipe-line system structure.
Background technique
Existing diaphragm pump test run system is fixed because of its structure, and have following shortcoming: 1, test run feeding pressure can't reduce continuously, does not possess the function of definite " necessary net positive suction head ".
2, can't satisfy the test run condition of different flow and different feeding pressure diaphragm pumps.
3, be difficult to guarantee the precision of low-capacity pump flux test.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of test run feeding pressure to reduce continuously, can determine the diaphragm pump test run pipe-line system of " necessary net positive suction head ".
For reaching above-mentioned purpose of the present utility model, the utility model adopts following technological scheme, the utility model comprises the first water tank with the first supply channel and first water return pipeline, and the backwater mouth of the cavitation erosion Experimental Water Tank that reduces pressure head by the first switching valve with discharging water continuously on its structure outline first water return pipeline links to each other; The water outlet of cavitation erosion Experimental Water Tank links to each other with the first supply channel.
As a kind of preferred version of the present utility model, be provided with the second water tank with the first water tank parallel connection on described the first supply channel and the first water return pipeline, the second water tank is different from the volume of the first water tank.
As another kind of preferred version of the present utility model, be provided with the first little latus rectum flowmeter on described the first water return pipeline.
The beneficial effects of the utility model: 1, function is many, easy to use: the utility model is by the first water tank and the test run of the second water tank energy to satisfy effectively different model diaphragm pump; Can satisfy the needs of cavitation erosion experiment by the cavitation erosion Experimental Water Tank.Function is many, and is easy to use.
2, cheap: the utility model will cavitate in the Experimental Water Tank access diaphragm pump test run pipe-line system; Avoided the repeated construction of " cavitation experiment " pipeline and reduced the factory building occupation of land, reduced production costs in a large number.
3, be applicable to other reciprocating pump test run demand: the utility model applicability is stronger, also is suitable for the test run demand such as the reciprocating pump of oil drilling pump etc., has certain promotion value.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of the utility model supply channel.
Fig. 3 is the schematic diagram of the utility model water return pipeline.
1 is the second water return pipeline in the accompanying drawing, 2 is the second supply channel, 3 is the first water return pipeline, 4 is the first little latus rectum flowmeter, 5 is flowmeter, 6 is the first variable flow centrifugal pump, 7 are the maintenance gate valve, 8 is the first water tank, 9 are the cavitation erosion Experimental Water Tank, 10 is the second water tank, 11 is the second variable flow centrifugal pump, 12 is the second switching valve, 13 is the second tee ball valve, 14 is the first tee ball valve, 15 is the 3rd tee ball valve, 16 is connecting head, 17 is the first supply channel, 18 is the first switching valve.
Embodiment
The utility model comprises that the backwater mouth of the cavitation erosion Experimental Water Tank 9 that reduces pressure head by the first switching valve 18 with discharging water continuously on the first water tank 8, the first water return pipelines 3 with the first supply channel 17 and first water return pipeline 3 links to each other; The water outlet of cavitation erosion Experimental Water Tank 9 links to each other with the first supply channel 17.
Be provided with the first variable flow centrifugal pump 6 of the first water tank 8 on described the first supply channel 17 by the first tee ball valve 14.According to the difference of the required feeding pressure of tested diaphragm pump, can control the first variable flow centrifugal pump 6 by the first tee ball valve 14 and whether access in the first supply channel 17.
As a kind of preferred version of the present utility model, be provided with the second water tank 10, the second water tanks 10 of the first water tank 8 parallel connections different from the volume of the first water tank 8 on described the first supply channel 17 and the first water return pipeline 3.
As another kind of preferred version of the present utility model, be provided with the first little latus rectum flowmeter 4 on described the first water return pipeline 3.
Described the second water tank 10 is with linking to each other with the second water return pipeline 1 with the second supply channel 2 of the first supply channel 17 and 3 parallel connections of the first water return pipeline; Can carry out simultaneously test run to many groups diaphragm pump simultaneously by the second supply channel 2 and the second water return pipeline 1.
Be provided with the second little latus rectum flowmeter on described the second water return pipeline 1.
Be provided with the second variable flow centrifugal pump 11 of the second water tank 10 on described the second supply channel 2 by the second tee ball valve 13.
Be provided with the second switching valve 12 on described the second water return pipeline 1; The backwater mouth of described cavitation erosion Experimental Water Tank 9 links to each other with the second switching valve 12 on the second water return pipeline 1 with the first switching valve 18 on the first water return pipeline 3 respectively.
The water outlet of described cavitation erosion Experimental Water Tank 9 links to each other with the second supply channel 2 with the first supply channel 17 respectively by the 3rd tee ball valve 15.
Described the first water tank 8, the second water tank 10 and cavitation erosion Experimental Water Tank 9 water outlets are provided with maintenance gate valve 7.
Be provided with flowmeter 5 on described the first water return pipeline 3 and the second water return pipeline 1.
At least two connecting heads 16 that link to each other with the tested pump housing all are set on described the first supply channel 17, the second supply channel 2, the first water return pipeline 3 and the second water return pipeline 1.
Below in conjunction with description of drawings course of action of the present utility model: with " diaphragm pump test run " and " cavitation experiment " process on station in diaphragm pump test run district of the first water tank 8 using process of the present utility model is described: 1. diaphragm pump test run: the water in the first water tank 8 is by maintenance gate valve 7, adjust the first tee ball valve 14 according to this pump feeding pressure again, adjust the first variable flow centrifugal pump 6 and whether access pipeline; Then be connected with the membrane pump feeding pipe through the first water supply line, the Experimental Water Tank 9 of must guaranteeing to cavitate is simultaneously closed; Regulate the 3rd tee ball valve 15, so that the first supply channel 17 and the second supply channel 2 disconnect; Diaphragm pump discharge nozzle backwater links to each other with the first water return pipeline 3 by pressure reducing orifice group device, regulate the switching of the first little latus rectum flowmeter 4 on the first water return pipeline 3 and select whether in the first water return pipeline 3, to be connected into the first little latus rectum flowmeter 4, pass through again flowmeter 5, enter at last the first water tank 8, finish the test run of diaphragm pump.
2. cavitation experiment: 1. the maintenance gate valve 7 of the first water tank 8 is closed in the diaphragm pump commissioning process, and cavitation erosion Experimental Water Tank 9 is opened, and the 3rd tee ball valve 15 turns to, and the blocking-up backwater enters the first water tank 8 or the second water tank 10 gets final product.
Be understandable that, more than about specific descriptions of the present utility model, only for the utility model being described and being not to be subject to the described technological scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (10)
1. diaphragm pump test run pipe-line system, comprise the first water tank (8) with the first supply channel (17) and first water return pipeline (3), it is characterized in that: the first water return pipeline (3) is upper to link to each other by the backwater mouth of the first switching valve (18) with the cavitation erosion Experimental Water Tank (9) of the reduction pressure head that can discharge water continuously; The water outlet of cavitation erosion Experimental Water Tank (9) links to each other with the first supply channel (17).
2. diaphragm pump test run pipe-line system according to claim 1 is characterized in that: upper the first variable flow centrifugal pump (6) that is provided with the first water tank (8) by the first tee ball valve (14) of described the first supply channel (17).
3. diaphragm pump test run pipe-line system according to claim 1, it is characterized in that: be provided with on described the first supply channel (17) and the first water return pipeline (3) with the first water tank (8) the second water tank (10) in parallel, the second water tank (10) is different from the volume of the first water tank (8).
4. diaphragm pump test run pipe-line system according to claim 1 is characterized in that: be provided with the first little latus rectum flowmeter (4) on described the first water return pipeline (3).
5. diaphragm pump test run pipe-line system according to claim 3 is characterized in that: described the second water tank (10) links to each other with the second water return pipeline (1) with the second supply channel (2) with the first supply channel (17) and the first water return pipeline (3) parallel connection.
6. diaphragm pump test run pipe-line system according to claim 5 is characterized in that: upper the second variable flow centrifugal pump (11) that is provided with the second water tank (10) by the second tee ball valve (13) of described the second supply channel (2).
7. diaphragm pump test run pipe-line system according to claim 5 is characterized in that: be provided with the second switching valve (12) on described the second water return pipeline (1); The backwater mouth of described cavitation erosion Experimental Water Tank (9) links to each other with the second switching valve (12) on the second water return pipeline (1) with the first switching valve (18) on the first water return pipeline (3) respectively.
8. diaphragm pump test run pipe-line system according to claim 5 is characterized in that: the water outlet of described cavitation erosion Experimental Water Tank (9) links to each other with the second supply channel (2) with the first supply channel (17) respectively by the 3rd tee ball valve (15).
9. diaphragm pump test run pipe-line system according to claim 5 is characterized in that: described the first water tank (8), the second water tank (10) and cavitation erosion Experimental Water Tank (9) water outlet are provided with maintenance gate valve (7).
10. diaphragm pump test run pipe-line system according to claim 5 is characterized in that: be provided with flowmeter (5) on described the first water return pipeline (3) and the second water return pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220473104 CN202834766U (en) | 2012-09-18 | 2012-09-18 | Diaphragm pump test run pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220473104 CN202834766U (en) | 2012-09-18 | 2012-09-18 | Diaphragm pump test run pipe network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834766U true CN202834766U (en) | 2013-03-27 |
Family
ID=47946471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220473104 Expired - Fee Related CN202834766U (en) | 2012-09-18 | 2012-09-18 | Diaphragm pump test run pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090004A (en) * | 2015-08-20 | 2015-11-25 | 中国有色(沈阳)泵业有限公司 | Diaphragm pump test-run system |
-
2012
- 2012-09-18 CN CN 201220473104 patent/CN202834766U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090004A (en) * | 2015-08-20 | 2015-11-25 | 中国有色(沈阳)泵业有限公司 | Diaphragm pump test-run system |
| CN105090004B (en) * | 2015-08-20 | 2017-09-05 | 中国有色(沈阳)泵业有限公司 | A kind of membrane pump test run 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: 20130327 Termination date: 20180918 |