Water pump test circulating water supply system

Abstract

The utility model relates to a circulating water supply system for a water pump test, which comprises a fluid recovery device, a water inlet pipeline, a water inlet pressure equalizing device, a water outlet pipeline and a water outlet pressure equalizing device, the water inlet pipeline is connected with the water outlet pipeline, and the water inlet pressure equalizing device and the water outlet pressure equalizing device are respectively arranged on the water inlet pipeline and the water outlet pipeline. The water inlet pressure equalizing device and the water outlet pressure equalizing device are respectively connected with one end of the fluid recovery device through pipelines, and the other end of the fluid recovery device is connected to the water inlet end of the water inlet pipeline to form a circulating loop for collecting residual water; the fluid recovery device comprises a water storage tank, a main water return pipeline and a supply pipeline, one end of the main water return pipeline is connected with the water inlet pressure equalizing device and the water outlet pressure equalizing device, and the other end of the main water return pipeline is connected with a water return port of the water storage tank. According to the utility model, the residual water after the pump test is completed can be recycled for the second time, the data of the test pump is more accurate, and the device can be suitable for different environments and working conditions.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to water pump test technical field, concretely is a kind of water pump test circulating water supply system. [BACKGROUND]

[0002] The test of water pump generally wastes part water resource, especially after the test of large water pump is finished, how to recycle the residual water after test to carry out secondary utilization becomes the technical problem to be solved urgently.

[0003] Therefore, if a water pump test circulating water supply system can be provided, which recycles residual water through devices at the front and rear ends of the test pump for secondary utilization, it will be of great significance. [UTILITY MODEL CONTENTS]

[0004] The utility model discloses a water pump test circulating water supply system, which can realize secondary recovery and reuse of residual water after the test of the test pump, make the data of the test pump more accurate, be applicable to different environments and working conditions, and has simple structure and convenient assembly.

[0005] To achieve the above-mentioned purpose, a water pump test circulating water supply system is designed, which includes a fluid recovery device, an inlet pipe, an inlet pressure equalizing device, an outlet pipe and an outlet pressure equalizing device. The inlet pipe is connected to the outlet pipe. The inlet pipe is provided with an inlet pressure equalizing device. The outlet pipe is provided with an outlet pressure equalizing device. The inlet pressure equalizing device is connected to the inlet side of the test pump 115 of the outlet pipe. The outlet pressure equalizing device is connected to the outlet side of the test pump 115. The inlet pressure equalizing device and the outlet pressure equalizing device are respectively connected to one end of the fluid recovery device through a pipeline. The other end of the fluid recovery device is connected to the inlet end of the inlet pipe through a pipeline to form a circulating loop for collecting residual water. The fluid recovery device includes a storage tank 107, a total return water pipe 109 and a supply pipe 106. One end of the total return water pipe 109 is connected to the inlet pressure equalizing device and the outlet pressure equalizing device through a pipeline. The other end of the total return water pipe 109 is connected to the return water inlet of the storage tank 107. One end of the supply pipe 106 is connected to the water supply inlet of the storage tank 107. The other end of the supply pipe 106 is connected to the total inlet pipe 101 of the inlet pipe.

[0006] Further, the fluid recovery device further comprises an inlet water recovery butterfly valve 114, an outlet water recovery butterfly valve 116 and a pump group 111, one end of the inlet water recovery butterfly valve 114 and the outlet water recovery butterfly valve 116 is connected to the inlet pressure equalizing device and the outlet pressure equalizing device respectively, the other end of the inlet water recovery butterfly valve 114 and the outlet water recovery butterfly valve 116 is connected to the three-way pipe 113 through the pipeline respectively, the third port of the three-way pipe 113 is connected to the total inlet water pipeline 112, the other end of the total inlet water pipeline 112 is connected to the pump group 111, the other end of the pump group 111 is connected to the total outlet water pipeline 109 through the three-way valve 110, the other end of the total outlet water pipeline 109 is connected to the outlet of the storage water tank 107 through the total outlet water butterfly valve 108, and the supply pipeline 106 is provided with a supply butterfly valve 105.

[0007] Further, the inlet water pipeline comprises a total inlet water pipe 101, a support 102, a total inlet butterfly valve 103 and a variable diameter 104, the total inlet water pipe 101 is connected to the variable diameter 104, the other end of the variable diameter 104 is connected to the inlet pressure equalizing device, the other end of the inlet pressure equalizing device is connected to the test pump 115, the support 102 is used to support the total inlet water pipe 101, the total inlet water pipe 101 is provided with the total inlet butterfly valve 103, and the total inlet butterfly valve 103 is used to close the supply of fluid at the front end after the test pump is tested.

[0008] Further, the inlet pressure equalizing device comprises a flange 130, an exhaust valve 131, an inlet hole 132, a flange 133, an inlet sensor 134, an inlet drain hole 135 and an inlet pressure equalizing cavity 136, the flange 130 is connected to the variable diameter 104, the flange 133 is connected to the test pump 115, the pipeline between the flange 130 and the flange 133 is provided with the inlet pressure equalizing cavity 136, the inlet pressure equalizing cavity 136 is provided with the exhaust valve 131, fluid enters the inlet pressure equalizing cavity 136 through the inlet hole 132 when passing through the inlet pressure equalizing device, the exhaust valve 131 is used to exhaust the gas in the inlet pressure equalizing cavity 136 to the outside of the cavity, and the inlet pressure equalizing cavity 136 is welded with the inlet sensor 134 and the inlet drain hole 135.

[0009] Further, the water outlet pressure equalizing device comprises a flange three 140, an exhaust valve two 141, a water inlet hole two 142, a flange four 143, an outlet sensor 144, an outlet drain hole 145 and an outlet pressure equalizing cavity 146, the flange three 140 is connected with the test pump 115, the flange four 143 is connected with the flexible connection 117, the outlet pressure equalizing cavity 146 is arranged on the pipeline between the flange three 140 and the flange four 143, the outlet pressure equalizing cavity 146 is provided with the exhaust valve two 141, fluid enters the outlet pressure equalizing cavity 146 through the water inlet hole two 142 when passing through the water outlet pressure equalizing device, the exhaust valve two 141 is used for exhausting the gas in the outlet pressure equalizing cavity 146 to the outside of the cavity, and the outlet sensor 144 and the outlet drain hole 145 are welded on the outlet pressure equalizing cavity 146.

[0010] Further, the water outlet pipeline comprises a test pump 115, a flexible connection 117, a short connection one 118, an electromagnetic flowmeter 119, a short connection two 120, an electric butterfly valve 121, a support two 122 and a total water outlet pipe 123, one end of the water outlet pressure equalizing device is connected with the test pump 115, the other end of the water outlet pressure equalizing device is connected with the flexible connection 117, the other end of the flexible connection 117 is connected with the short connection one 118, the other end of the short connection one 118 is connected with the short connection two 120, the electromagnetic flowmeter 119 is arranged between the short connection one 118 and the short connection two 120, the other end of the short connection two 120 is connected with the total water outlet pipe 123, the electric butterfly valve 121 is arranged between the short connection two 120 and the total water outlet pipe 123, and the support two 122 is used for supporting the total water outlet pipe 123.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] (1) the utility model discloses a residual water recovery mode, and the test inlet and outlet water pipeline of large -scale pump has a large amount of residual water, and the secondary use of the test fluid is improved through the residual water recovery device, and the water resource waste of test system is reduced.

[0013] (2) the utility model discloses a pressure equalizing cavity structure mode, and the precision of the pressure sensor feedback value on the inlet and outlet water pipeline is improved.

[0014] (3) the utility model discloses a residual water recovery device before and after the test pump, and the residual water is used twice, and the pressure data precision of the inlet and outlet of the water pump is improved through the pressure equalizing cavity structure.

[0015] In conclusion, the utility model discloses a product according to the prior art, and the data of the test pump is more accurate, and the residual water after the test of the large -scale pump is recovered and used again, can be applicable to different environments and working conditions, and the structure is simple, convenient to assemble, and is worth promoting and applying. [DETAILED DESCRIPTION]

[0016] Figure 1 is a structural schematic view of the utility model;

[0017] Figure 2 is Figure 1 is a partial enlarged view of A in the middle;

[0018] Figure 3 is Figure 1 is a partial enlarged view of B in the middle;

[0019] In the figure: 105, make up butterfly valve; 106, make up pipeline; 107, store water tank; 108, total backwater butterfly valve; 109, total backwater pipeline; 110, three-way valve; 111, pump group; 112, backwater total inlet pipeline; 113, three-way pipe; 114, inlet water recovery butterfly valve; 116, outlet water recovery butterfly valve; 101, total inlet pipe; 102, support one; 103, total inlet butterfly valve; 104, reducing; 130, flange one; 131, exhaust valve one; 132, water inlet hole one; 133, flange two; 134, inlet sensor; 135, inlet drain hole; 136, inlet pressure equalizing chamber; 115, test pump; 117, soft connection; 118, short connection one; 119, electromagnetic flowmeter; 120, short connection two; 121, electric butterfly valve; 122, support two; 123, total outlet pipe; 140, flange three; 141, exhaust valve two; 142, water inlet hole two; 143, flange four; 144, outlet sensor; 145, outlet drain hole; 146, outlet pressure equalizing chamber. [DETAILED DESCRIPTION]

[0020] As attached Figure 1 to attached Figure 3The utility model provides a kind of water pump test circulation water supply system, including fluid recovery device, water inlet pipeline, water inlet pressure equalizing device, water outlet pipeline and water outlet pressure equalizing device, water inlet pipeline connects water outlet pipeline, water inlet pipeline is provided with water inlet pressure equalizing device, water outlet pipeline is provided with water outlet pressure equalizing device, water inlet pressure equalizing device is connected in the water inlet side of the test pump 115 of water outlet pipeline, water outlet pressure equalizing device is connected in the water outlet side of test pump 115, water inlet pressure equalizing device, water outlet pressure equalizing device respectively connect the one end of fluid recovery device by pipeline, the other end of fluid recovery device is connected to the water inlet end of water inlet pipeline by pipeline to form the circulation loop of residual water collection;Fluid recovery device includes storage water tank 107, total backwater pipeline 109 and supply pipeline 106, one end of total backwater pipeline 109 is connected water inlet pressure equalizing device, water outlet pressure equalizing device respectively by pipeline, the other end of total backwater pipeline 109 is connected the backwater port of storage water tank 107, one end of supply pipeline 106 is connected the make-up water port of storage water tank 107, the other end of supply pipeline 106 is connected with the total water inlet pipe 101 of water inlet pipeline;Fluid recovery device further includes water inlet recovery butterfly valve 114, water outlet recovery butterfly valve 116 and pump group 111, one end of water inlet recovery butterfly valve 114, water outlet recovery butterfly valve 116 is connected water inlet pressure equalizing device, water outlet pressure equalizing device respectively, the other end of water inlet recovery butterfly valve 114, water outlet recovery butterfly valve 116 is connected three-way pipe 113 by pipeline respectively, the third port of three-way pipe 113 is connected backwater total water inlet pipeline 112, the other end of backwater total water inlet pipeline 112 is connected pump group 111, the other end of pump group 111 is connected total backwater pipeline 109 by three-way valve 110, the other end of total backwater pipeline 109 is connected the backwater port of storage water tank 107 by total backwater butterfly valve 108, supply butterfly valve 105 is installed on supply pipeline 106.

[0021] Wherein, water inlet pipeline includes total water inlet pipe 101, support one 102, total inlet butterfly valve 103 and variable diameter 104, total water inlet pipe 101 is connected with variable diameter 104, the other end of variable diameter 104 is connected water inlet pressure equalizing device, the other end of water inlet pressure equalizing device is connected with test pump 115, support one 102 is used to support total water inlet pipe 101, total water inlet pipe 101 is installed with total inlet butterfly valve 103, total inlet butterfly valve 103 is used to close the supply of front-end fluid after pump test is completed. Water outlet pipeline includes test pump 115, soft connection 117, short connection one 118, electromagnetic flowmeter 119, short connection two 120, electric butterfly valve 121, support two 122 and total water outlet pipe 123, one end of water outlet pressure equalizing device is connected with test pump 115, the other end of water outlet pressure equalizing device is connected with soft connection 117, the other end of soft connection 117 is connected short connection one 118, the other end of short connection one 118 is connected with short connection two 120, electromagnetic flowmeter 119 is installed between short connection one 118 and short connection two 120, the other end of short connection two 120 is connected total water outlet pipe 123, electric butterfly valve 121 is installed between short connection two 120 and total water outlet pipe 123, support two 122 is used to support total water outlet pipe 123.

[0022] As shown in the accompanying drawings Figure 2 The water inlet pressure equalizing device includes flange one 130, exhaust valve one 131, water inlet hole one 132, flange two 133, inlet sensor 134, inlet drain hole 135 and inlet pressure equalizing cavity 136, the flange one 130 is connected with the reducing 104, the flange two 133 is connected with the test pump 115, the pipeline between the flange one 130 and the flange two 133 is provided with the inlet pressure equalizing cavity 136, the inlet pressure equalizing cavity 136 is provided with the exhaust valve one 131, fluid enters the inlet pressure equalizing cavity 136 along the water inlet hole one 132 when passing through the water inlet pressure equalizing device, the exhaust valve one 131 is used to exhaust the gas inside the inlet pressure equalizing cavity 136 to the outside of the cavity, the inlet pressure equalizing cavity 136 is welded with the inlet sensor 134 and the inlet drain hole 135.

[0023] As shown in the accompanying drawings Figure 3 The water outlet pressure equalizing device includes flange three 140, exhaust valve two 141, water inlet hole two 142, flange four 143, outlet sensor 144, outlet drain hole 145 and outlet pressure equalizing cavity 146, the flange three 140 is connected with the test pump 115, the flange four 143 is connected with the flexible connection 117, the pipeline between the flange three 140 and the flange four 143 is provided with the outlet pressure equalizing cavity 146, the outlet pressure equalizing cavity 146 is provided with the exhaust valve two 141, fluid enters the outlet pressure equalizing cavity 146 along the water inlet hole two 142 when passing through the water outlet pressure equalizing device, the exhaust valve two 141 is used to exhaust the gas inside the outlet pressure equalizing cavity 146 to the outside of the cavity, the outlet pressure equalizing cavity 146 is welded with the outlet sensor 144 and the outlet drain hole 145.

[0024] The utility model will be further described below in combination with the drawings and specific embodiments:

[0025] A water pump test circulating water supply system, including fluid recovery device, water inlet pipeline, water inlet pressure equalizing device, water outlet pipeline and water outlet pressure equalizing device, each part is introduced as follows:

[0026] The fluid recovery device comprises a supply butterfly valve 105, a supply pipeline 106, a storage water tank 107, a total water return butterfly valve 108, a total water return pipeline 109, a three-way valve 110, a pump set 111, a total water inlet pipeline 112, a three-way pipe 113, a water inlet recovery butterfly valve 114 and a water outlet recovery butterfly valve 116; in the fluid recovery device, the storage water tank 107 is welded with an inlet pipeline for recovering residual water after testing, the supply pipeline 106 is used for supplementing fluid to the water inlet pipeline before testing; residual water recovery, after the large pump is tested, there is a certain residual water in the water inlet and outlet pipelines; the water inlet recovery butterfly valve 114 and the water outlet recovery butterfly valve 116 are opened to collect the residual water to the three-way pipe 113, the residual water flows to the three-way valve 110 through the pump set 111 after being pressurized, the fluid in the three-way valve 110 reaches the total water return butterfly valve 108 along the pipe wall of the total water return pipeline 109 and then flows into the storage water tank 107, and when the pump set is tested next time, the supply butterfly valve 105 is opened to supplement water, so that a circulating water supply system for residual water collection is formed, and the waste of water resources is reduced.

[0027] The water inlet pipeline comprises a total water inlet pipe 101, a support one 102, a total inlet butterfly valve 103 and a variable diameter 104; in the water inlet pipeline, when the pipeline needs to be supplemented with fluid, the supply butterfly valve 105 is opened to supplement water, and when the pump set is large, more fluid needs to be supplemented, the fluid is transported to the variable diameter 104 along the inner wall of the pipeline after passing through the total water inlet pipe 101 and reaches the water inlet pressure equalizing device, the other end of the water inlet pressure equalizing device is flange-connected with the test pump set; wherein the support one 102 is used for supporting the total water inlet pipe 101, and the total inlet butterfly valve 103 is used for closing the fluid supply at the front end after the pump is tested.

[0028] The water inlet pressure equalizing device comprises a flange one 130, an exhaust valve 1131, a water inlet hole one 132, a flange two 133, an inlet sensor 134, an inlet drain hole 135 and an inlet pressure equalizing cavity 136; in the water inlet pressure equalizing device, the flange one 130 is connected with the variable diameter 104 and the flange two 133 is connected with the test pump 115, when the fluid passes through the water inlet pressure equalizing device, the fluid in the pipeline is extruded and enters the pressure equalizing cavity 136 along the water inlet hole one 132, and the exhaust valve 1131 is opened to exhaust the gas in the cavity to the outside of the cavity; wherein, the inlet pressure equalizing cavity is welded with the inlet sensor 134 and the inlet drain hole 135, which are used for installing the sensor and recovering residual water; the accuracy of the pressure data of the water inlet pipeline is improved.

[0029] The water outlet pipeline comprises a test pump 115, a flexible connection 117, a short connection 118, an electromagnetic flowmeter 119, a short connection 120, an electric butterfly valve 121, a bracket 122 and a total water outlet pipe 123.

[0030] The water outlet pressure equalizing device comprises a flange 140, an exhaust valve 141, a water inlet hole 142, a flange 143, an outlet sensor 144, an outlet drain hole 145 and an outlet pressure equalizing cavity 146.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, the standard parts used can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

[0032] The utility model is not limited by the above-mentioned embodiment, other changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the utility model, all should be equivalent replacement methods, and all are included in the protection scope of the utility model.

Claims

1. A water pump test circulation water supply system characterized by: The fluid recovery device, the water inlet pipeline, the water inlet pressure equalizing device, the water outlet pipeline and the water outlet pressure equalizing device are connected, the water inlet pipeline is connected to the water outlet pipeline, the water inlet pipeline is provided with the water inlet pressure equalizing device, the water outlet pipeline is provided with the water outlet pressure equalizing device, the water inlet pressure equalizing device is connected to the water inlet side of the test pump (115) of the water outlet pipeline, the water outlet pressure equalizing device is connected to the water outlet side of the test pump (115), the water inlet pressure equalizing device and the water outlet pressure equalizing device are respectively connected to one end of the fluid recovery device through pipelines, and the other end of the fluid recovery device is connected to the water inlet end of the water inlet pipeline through a pipeline to form a circulating loop for collecting residual water; the fluid recovery device comprises a storage water tank (107), a total water return pipeline (109) and a supply pipeline (106), one end of the total water return pipeline (109) is connected to the water inlet pressure equalizing device and the water outlet pressure equalizing device through pipelines respectively, the other end of the total water return pipeline (109) is connected to the water return port of the storage water tank (107), one end of the supply pipeline (106) is connected to the water supply port of the storage water tank (107), and the other end of the supply pipeline (106) is connected to the total water inlet pipe (101) of the water inlet pipeline.

2. The water pump test circulation water supply system of claim 1, wherein: The fluid recovery device further comprises a water inlet recovery butterfly valve (114), a water outlet recovery butterfly valve (116) and a pump group (111), one end of the water inlet recovery butterfly valve (114) and the water outlet recovery butterfly valve (116) is connected to the water inlet pressure equalizing device and the water outlet pressure equalizing device respectively, the other end of the water inlet recovery butterfly valve (114) and the water outlet recovery butterfly valve (116) is connected to a three-way pipe (113) through a pipeline respectively, the third port of the three-way pipe (113) is connected to a water return total water inlet pipeline (112), the other end of the water return total water inlet pipeline (112) is connected to the pump group (111), the other end of the pump group (111) is connected to the total water return pipeline (109) through a three-way valve (110), the other end of the total water return pipeline (109) is connected to the water return port of the storage water tank (107) through a total water return butterfly valve (108), and the supply pipeline (106) is provided with a supply butterfly valve (105).

3. The water pump test circulation water supply system according to claim 1 or 2, characterized by: The water inlet pipeline comprises a total water inlet pipe (101), a support one (102), a total inlet butterfly valve (103) and a variable diameter (104), the total water inlet pipe (101) is connected to the variable diameter (104), the other end of the variable diameter (104) is connected to the water inlet pressure equalizing device, the other end of the water inlet pressure equalizing device is connected to the test pump (115), the support one (102) is used for supporting the total water inlet pipe (101), the total water inlet pipe (101) is provided with the total inlet butterfly valve (103), and the total inlet butterfly valve (103) is used for closing the supply of fluid at the front end after the pump test is completed.

4. The water pump test circulation water supply system of claim 1 or 2, wherein: The water inlet pressure equalizing device comprises a flange one (130), an exhaust valve one (131), a water inlet hole one (132), a flange two (133), an inlet sensor (134), an inlet drain hole (135) and an inlet pressure equalizing cavity (136), the flange one (130) is connected with the reducing (104), the flange two (133) is connected with the test pump (115), the pipeline between the flange one (130) and the flange two (133) is provided with the inlet pressure equalizing cavity (136), the inlet pressure equalizing cavity (136) is provided with the exhaust valve one (131), fluid enters the inlet pressure equalizing cavity (136) through the water inlet hole one (132) when passing through the water inlet pressure equalizing device, the exhaust valve one (131) is used for discharging the gas in the inlet pressure equalizing cavity (136) to the outside of the cavity, the inlet pressure equalizing cavity (136) is welded with the inlet sensor (134) and the inlet drain hole (135).

5. The water pump test circulation water supply system of claim 1 or 2, wherein: The water outlet pressure equalizing device comprises a flange three (140), an exhaust valve two (141), a water inlet hole two (142), a flange four (143), an outlet sensor (144), an outlet drain hole (145) and an outlet pressure equalizing cavity (146), the flange three (140) is connected with the test pump (115), the flange four (143) is connected with the flexible connection (117), the pipeline between the flange three (140) and the flange four (143) is provided with the outlet pressure equalizing cavity (146), the outlet pressure equalizing cavity (146) is provided with the exhaust valve two (141), fluid enters the outlet pressure equalizing cavity (146) through the water inlet hole two (142) when passing through the water outlet pressure equalizing device, the exhaust valve two (141) is used for discharging the gas in the outlet pressure equalizing cavity (146) to the outside of the cavity, the outlet pressure equalizing cavity (146) is welded with the outlet sensor (144) and the outlet drain hole (145).

6. The water pump test circulation water supply system of claim 1 or 2, wherein: The water outlet pipeline comprises a test pump (115), a flexible connection (117), a short connection one (118), an electromagnetic flowmeter (119), a short connection two (120), an electric butterfly valve (121), a support two (122) and a total water outlet pipe (123), one end of the water outlet pressure equalizing device is connected with the test pump (115), the other end of the water outlet pressure equalizing device is connected with the flexible connection (117), the other end of the flexible connection (117) is connected with the short connection one (118), the other end of the short connection one (118) is connected with the short connection two (120), the electromagnetic flowmeter (119) is arranged between the short connection one (118) and the short connection two (120), the other end of the short connection two (120) is connected with the total water outlet pipe (123), the electric butterfly valve (121) is arranged between the short connection two (120) and the total water outlet pipe (123), the support two (122) is used for supporting the total water outlet pipe (123).

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