CN215893978U - Closed test device for vertical condensate pump - Google Patents
Closed test device for vertical condensate pump Download PDFInfo
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- CN215893978U CN215893978U CN202121197000.7U CN202121197000U CN215893978U CN 215893978 U CN215893978 U CN 215893978U CN 202121197000 U CN202121197000 U CN 202121197000U CN 215893978 U CN215893978 U CN 215893978U
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Abstract
The utility model provides a closed test device of a vertical condensate pump, which has the advantages of small occupied area, high adjustment precision and stable test state. The test cylinder is connected with the vacuum water storage tank; an outlet valve and a flow meter of the pump are arranged on a measuring pipeline, and the measuring pipeline is connected with a vacuum water storage tank; the vacuum pump and the electromagnetic vacuum valve are arranged on the vacuum pumping pipeline; the compressed air inlet pipeline is connected with the pressure stabilizing tank, and the second electromagnetic vacuum valve is arranged on the compressed air inlet pipeline; the compressed air outlet pipeline is connected with the pressure stabilizing tank; the emptying pipeline is connected with the pressure stabilizing tank, and the first electromagnetic vacuum valve is arranged on the emptying pipeline; one end of the air main pipe is connected with the vacuumizing pipeline and the compressed air outlet pipeline, and the other end of the air main pipe is connected with the vacuum water storage tank and the test cylinder; the cooling water pipeline is connected with the water tank and the vacuum water storage tank; the cooling water pump is arranged on the cooling water pipeline; the cooling tower is connected with the water tank; one end of the water pumping pipe is connected with the vacuum water storage tank, and the other end of the water pumping pipe is connected with the water tank; the water pump is arranged on the water pumping pipe.
Description
Technical Field
The utility model relates to a closed test device for a vertical condensate pump, which is used for testing the performance of the vertical condensate pump and is particularly suitable for delivery inspection and type inspection of the vertical condensate pump.
Background
A pump is a machine that delivers or pressurizes a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. The pump is applied to various aspects such as industry, agriculture, municipal administration and the like, China is a large country for manufacturing the pump, and the market scale of the pump industry reaches several billion yuan every year. With the development of society, higher requirements are put forward on the quality, energy conservation and the like of pump products. The testing device is an important device in the production of the pump, and the high-precision testing device is the key for controlling the quality of pump products.
The vertical condensate pump is vertically installed, the water inlet of the pump is vertically downward, the water outlet is in the horizontal direction above the water surface, the water inlet is submerged below the water surface, and the inlet is not provided with a valve, so that the pressure at the inlet of the pump cannot be adjusted by the valve. The vertical condensate pump has the advantages that the inlet of the vertical condensate pump has no connecting pipeline, the vertical installation and the inlet negative pressure requirement, the test of other pumps is more troublesome compared, the tested pump is generally fixed in the test cylinder at present, the lower part of the test cylinder is submerged under the liquid level of a large-scale water pool, the test cylinder is externally connected with a pipeline valve, and the pressure in the test cylinder is adjusted through the valve. The defects are large occupied area, small adjusting precision and unstable test state.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the vertical condensate pump closed test device which is reasonable in structural design, small in occupied area, high in adjustment precision and stable in test state.
The technical scheme adopted by the utility model for solving the problems is as follows: a closed test device for a vertical condensate pump comprises a test cylinder; the method is characterized in that: the system also comprises a vacuum water storage tank, a main loop system, a vacuum pumping system, a pressurizing and emptying system, a cooling water station, an air main pipe and a pumping system; the water inlet of the test cylinder is connected with the water outlet of the vacuum water storage tank; the main loop system comprises an outlet valve, a measuring pipeline and a flow meter, wherein the outlet valve and the flow meter are arranged on the measuring pipeline, and the measuring pipeline is connected with a water inlet of the vacuum water storage tank; the vacuum pumping system comprises a vacuum pump, an electromagnetic vacuum valve and a vacuum pumping pipeline; the vacuum pump and the electromagnetic vacuum valve are arranged on the vacuum pumping pipeline; the pressurizing and emptying system comprises a compressed air outlet pipeline, a compressed air inlet pipeline, an emptying pipeline, a pressure stabilizing tank, a first electromagnetic vacuum valve and a second electromagnetic vacuum valve; the compressed air inlet pipeline is connected with an inlet of the pressure stabilizing tank, and the second electromagnetic vacuum valve is arranged on the compressed air inlet pipeline; the compressed air outlet pipeline is connected with an outlet of the pressure stabilizing tank; the emptying pipeline is connected with an emptying port of the pressure stabilizing tank, and the first electromagnetic vacuum valve is installed on the emptying pipeline; one end of the air main pipe is connected with the vacuumizing pipeline and the compressed air outlet pipeline, and the other end of the air main pipe is connected with the vacuum water storage tank and the test cylinder; the cooling water station comprises a cooling tower, a water tank, a cooling water pump, a circulating pump, a cooling water pipeline and a circulating pipeline; one end of the cooling water pipeline is connected with the water tank, and the other end of the cooling water pipeline is connected with a water inlet of the vacuum water storage tank; the cooling water pump is arranged on the cooling water pipeline; the water outlet of the cooling tower is connected with the water tank; the water pumping system comprises a water pumping pipe and a water pumping pump; one end of the water pumping pipe is connected with the vacuum water storage tank, and the other end of the water pumping pipe is connected with the water tank; the water pump is arranged on the water pumping pipe.
The utility model also comprises a balance pipe, wherein one end of the balance pipe is connected with the vacuum water storage tank, and the other end of the balance pipe is connected with the test cylinder.
The measuring pipeline comprises a water inlet pipe, a connecting pipe, a measuring pipe and a water outlet pipe, wherein the water inlet pipe, the connecting pipe, the measuring pipe and the water outlet pipe are sequentially connected, and the water outlet pipe is connected with a water inlet of the vacuum water storage tank; an outlet valve of the pump is arranged on the water inlet pipe; the measuring tube is provided with a flowmeter.
The number of the water inlet pipes is at least two, and each water inlet pipe is provided with an outlet valve.
The utility model has at least two measuring tubes, and each measuring tube is provided with a flowmeter.
The vacuum-pumping system also comprises a gas-liquid separator, and the vacuum pump, the gas-liquid separator and the electromagnetic vacuum valve are sequentially arranged on the vacuum-pumping pipeline.
The cooling water station also comprises a circulating pipeline and a circulating pump, wherein one end of the circulating pipeline is connected with the water tank, and the other end of the circulating pipeline is connected with a water inlet of the cooling tower; the circulating pump is arranged on the circulating pipeline.
Compared with the prior art, the utility model has the following advantages and effects: the utility model does not need a large-scale water tank, has small floor area and is convenient for test and installation. The pressure in the test cylinder can be adjusted by two methods of vacuum pumping and liquid level change of the vacuum pump, the adjustment precision is high, the test state is stable, and the test precision of the pump is improved. In addition, the test cylinder can realize a positive pressure working condition besides a negative pressure working condition, and can meet the test requirements of other vertical pumps.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
The embodiment of the utility model comprises a vacuum water storage tank 1, a test cylinder 2, a main loop system, a vacuum pumping system, a pressurization and emptying system, a cooling water station, an air header 22, a balance pipe 23 and a water pumping system.
The water inlet of the test cylinder 2 is connected with the water outlet of the vacuum water storage tank 1. The number of the test cylinders 2 is at least two, and each test cylinder 2 is provided with a tested pump A.
The main loop system is used as a main test pipeline for testing pump flow, lift and the like, and comprises an outlet valve 3, a measurement pipeline 4 and a flowmeter 5, wherein the outlet valve 3 and the flowmeter 5 are installed on the measurement pipeline 4, and the measurement pipeline 4 is connected with a water inlet of the vacuum water storage tank 1. The measuring pipeline 4 comprises a water inlet pipe 41, a connecting pipe 42, a measuring pipe 43 and a water outlet pipe 44, the water inlet pipe 41, the connecting pipe 42, the measuring pipe 43 and the water outlet pipe 44 are sequentially connected, and the water outlet pipe 44 is connected with a water inlet of the vacuum water storage tank 1; the number of the water inlet pipes 41 is at least two, each water inlet pipe 41 is provided with an outlet valve 3, each water inlet pipe 41 is connected with a tested pump A, and the vertical condensate pumps with various specifications can be tested; the number of the measuring tubes 43 is at least two, and each measuring tube 43 is provided with a flow meter 5.
The vacuum-pumping system comprises a vacuum pump 6, a gas-liquid separator 7, an electromagnetic vacuum valve 8 and a vacuum-pumping pipeline 9. The vacuum pump 6, the gas-liquid separator 7 and the electromagnetic vacuum valve 8 are sequentially arranged on the vacuum pumping pipeline 9.
The pressurizing and venting system comprises a compressed air outlet pipeline 10, a compressed air inlet pipeline 11, a venting pipeline 12, a surge tank 13, a first electromagnetic vacuum valve 14 and a second electromagnetic vacuum valve 15.
The compressed air inlet pipeline 11 is connected with an inlet of the pressure stabilizing tank 13, and the second electromagnetic vacuum valve 15 is arranged on the compressed air inlet pipeline 11; the compressed air outlet pipeline 10 is connected with the outlet of the surge tank 13; the vent pipeline 12 is connected with a vent port of the surge tank 13, and the first electromagnetic vacuum valve 14 is installed on the vent pipeline 12.
One end of the air main pipe 22 is connected with the vacuumizing pipeline 9 and the compressed air outlet pipeline 10, and the other end is connected with the air port of the vacuum water storage tank 1 and the air port of the test tube 2.
The cooling water station includes a cooling tower 16, a water tank 17, a cooling water pump 18, a circulation pump 19, a cooling water line 20, and a circulation line 21. One end of the cooling water pipeline 20 is connected with the water tank 17, and the other end is connected with the water inlet of the vacuum water storage tank 1; the cooling water pump 18 is installed on the cooling water line 20; the water outlet of the cooling tower 16 is connected with a water tank 17; one end of the circulating pipeline 21 is connected with the water tank 17, and the other end is connected with a water inlet of the cooling tower 16; the circulation pump 19 is installed on the circulation line 21.
One end of the balance pipe 23 is connected with the upper part of the vacuum water storage tank 1, and the other end is connected with the upper part of the test tube 2 for balancing the gas pressure on the two sides.
The water pumping system comprises a water pumping pipe 24 and a water pumping pump 25; one end of a water pumping pipe 24 is connected with the vacuum water storage tank 1, and the other end is connected with the water tank 17; a suction pump 25 is mounted on the suction pipe 24.
During the pump test, the tested pump A is installed on the test cylinder 2, and the pump outlet of the tested pump A is connected with the water inlet pipe 41. Water flows into the test cylinder 2 from the vacuum water storage tank 1, after the tested pump A sucks water from the test cylinder 2, the water flows back to the vacuum water storage tank 1 from the pump outlet through the measuring pipeline 4, and the water flow is measured by the flowmeter 5 in the process.
The liquid level of the vacuum water storage tank 1 is adjusted by a water pump 25, and when the liquid level is too high, water is pumped back into the water tank 17 by the water pump 25.
And when the pressure is required to be increased under the positive pressure working condition, the first electromagnetic vacuum valve 14 is closed, and compressed air enters the vacuum water storage tank 1 and the test cylinder 2 through the electromagnetic vacuum valve 15 and the pressure stabilizing tank 13. When the air is discharged, the electromagnetic vacuum valve 15 is closed, high-pressure air enters the pressure stabilizing tank 13 from the vacuum water storage tank 1 and the test cylinder 2 through pipelines, and the electromagnetic vacuum valve 14 is adjusted and discharged into the atmosphere.
And when the working condition of negative pressure is needed, the vacuum pump 6 and the electromagnetic vacuum valve 8 are started to vacuumize the vacuum water storage tank 1 and the test cylinder 2.
The cooling water station and the vacuum water storage tank 1 can exchange cooling water to take away heat in the vacuum water storage tank 1 during the test.
The main parameters of the utility model are shown in the following table:
in addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. A closed test device for a vertical condensate pump comprises a test cylinder; the method is characterized in that: the system also comprises a vacuum water storage tank, a main loop system, a vacuum pumping system, a pressurizing and emptying system, a cooling water station, an air main pipe and a pumping system; the water inlet of the test cylinder is connected with the water outlet of the vacuum water storage tank; the main loop system comprises an outlet valve, a measuring pipeline and a flow meter, wherein the outlet valve and the flow meter are arranged on the measuring pipeline, and the measuring pipeline is connected with a water inlet of the vacuum water storage tank; the vacuum pumping system comprises a vacuum pump, an electromagnetic vacuum valve and a vacuum pumping pipeline; the vacuum pump and the electromagnetic vacuum valve are arranged on the vacuum pumping pipeline; the pressurizing and emptying system comprises a compressed air outlet pipeline, a compressed air inlet pipeline, an emptying pipeline, a pressure stabilizing tank, a first electromagnetic vacuum valve and a second electromagnetic vacuum valve; the compressed air inlet pipeline is connected with an inlet of the pressure stabilizing tank, and the second electromagnetic vacuum valve is arranged on the compressed air inlet pipeline; the compressed air outlet pipeline is connected with an outlet of the pressure stabilizing tank; the emptying pipeline is connected with an emptying port of the pressure stabilizing tank, and the first electromagnetic vacuum valve is installed on the emptying pipeline; one end of the air main pipe is connected with the vacuumizing pipeline and the compressed air outlet pipeline, and the other end of the air main pipe is connected with the vacuum water storage tank and the test cylinder; the cooling water station comprises a cooling tower, a water tank, a cooling water pump, a circulating pump, a cooling water pipeline and a circulating pipeline; one end of the cooling water pipeline is connected with the water tank, and the other end of the cooling water pipeline is connected with a water inlet of the vacuum water storage tank; the cooling water pump is arranged on the cooling water pipeline; the water outlet of the cooling tower is connected with the water tank; the water pumping system comprises a water pumping pipe and a water pumping pump; one end of the water pumping pipe is connected with the vacuum water storage tank, and the other end of the water pumping pipe is connected with the water tank; the water pump is arranged on the water pumping pipe.
2. The vertical condensate pump closed test device of claim 1, wherein: still include the balance tube, balance tube one end is connected with the vacuum water storage tank, and the other end is connected with the test section of thick bamboo.
3. The vertical condensate pump closed test device of claim 1, wherein: the measuring pipeline comprises a water inlet pipe, a connecting pipe, a measuring pipe and a water outlet pipe, the water inlet pipe, the connecting pipe, the measuring pipe and the water outlet pipe are sequentially connected, and the water outlet pipe is connected with a water inlet of the vacuum water storage tank; an outlet valve of the pump is arranged on the water inlet pipe; the measuring tube is provided with a flowmeter.
4. The vertical condensate pump closed test device of claim 3, wherein: the inlet tube be two at least, every inlet tube all is last to install pump export valve.
5. The vertical condensate pump closed test device of claim 1, wherein: the survey buret be two at least, every survey buret all is last to install the flowmeter.
6. The vertical condensate pump closed test device of claim 1, wherein: the vacuum-pumping system also comprises a gas-liquid separator, and the vacuum pump, the gas-liquid separator and the electromagnetic vacuum valve are sequentially arranged on the vacuum-pumping pipeline.
7. The vertical condensate pump closed test device of claim 1, wherein: the cooling water station also comprises a circulating pipeline and a circulating pump, wherein one end of the circulating pipeline is connected with the water tank, and the other end of the circulating pipeline is connected with a water inlet of the cooling tower; the circulating pump is arranged on the circulating pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197000.7U CN215893978U (en) | 2021-05-31 | 2021-05-31 | Closed test device for vertical condensate pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197000.7U CN215893978U (en) | 2021-05-31 | 2021-05-31 | Closed test device for vertical condensate pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215893978U true CN215893978U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121197000.7U Active CN215893978U (en) | 2021-05-31 | 2021-05-31 | Closed test device for vertical condensate pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215893978U (en) |
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2021
- 2021-05-31 CN CN202121197000.7U patent/CN215893978U/en active Active
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