Pressurizing device for pressurizing test of pump station pipeline

Abstract

The utility model belongs to the field of pressurizing devices, and particularly relates to a pressurizing device for a pressurizing test of a pump station pipeline, which comprises a main body, a multi-stage pressurizing assembly is arranged on one side of the main body, and the multi-stage pressurizing assembly comprises a pressurizing cooling piece and a pressurizing conveying piece; the pressurized cooling part comprises an access pipe mounted on one side of the main body, one end of the access pipe is connected with the output end of the medium-pressure pump, the other end of the access pipe is connected with the high-pressure pump, a connecting pipe is fixedly mounted at the other end of the access pipe, a control valve is fixedly mounted on one side of the connecting pipe, and one end of the connecting pipe is fixedly mounted on one side of the cooling bin; through combination of the medium-pressure pump, the high-pressure pump and the low-pressure pump, multi-gear pressure adjustment is achieved, different test requirements are met, the cooling water tank and the cooling bin form a circulating cooling system, the operation temperature of the high-pressure pump is reduced, the service life of equipment is prolonged, the function of graded pressurization cooling is achieved, and the problems of low pressurization efficiency and insufficient heat dissipation are solved; and the adaptability in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressurizing device field, concretely is a kind of pressurizing device for pump station pipeline pressure test. BACKGROUND

[0002] Pressurizing device is a kind of equipment that is lifted fluid (gas, liquid) pressure by mechanical, hydraulic, pneumatic or other ways, is widely used in industry, agriculture, medical treatment, transportation and other fields.

[0003] Chinese patent number CN202123225572.4 discloses a kind of pipeline pressurization testing device, including high-pressure water pump, sink, pressing device and sealing device, two workbenches are symmetrically provided at the both ends of sink, the upper side of two workbenches is provided with support;Pressing device is two groups, including upper pressing block, lower pressing block and lifting mechanism, upper pressing block is oppositely arranged with lower pressing block, lower pressing block is fixed on workbench, upper pressing block is fixed on the lower side of support by lifting mechanism;Sealing device is two groups, including first plug, second plug and telescopic device, first plug is fixed on workbench, second plug is oppositely arranged with first plug, second plug is fixed on workbench by telescopic device;The first plug of one group of sealing device is provided with water inlet, water inlet is communicated with high-pressure water pump;The first plug of another group of sealing device is provided with exhaust port, valve is provided at exhaust port.

[0004] From the above, the sealing of the two ends of pipeline is realized by telescopic device driving plug, and the pipeline is pressed by pressing device, so as to avoid pipeline bending under stress, ensure pipeline sealing, improve the convenience of pipeline loading and unloading, and improve production efficiency, but the case has the following deficiencies: the case uses single pressurizing pump for pressurization, so as to cause low pressurization efficiency, difficult to meet the test demand of different pressure grades, and lack of effective cooling system, in long-time pressurization process, equipment overheating is easy to affect pressurization effect and equipment life.

[0005] Therefore, a kind of pressurizing device for pump station pipeline pressure test is proposed for the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of prior art, low pressurization efficiency and insufficient heat dissipation, the utility model provides a kind of pressurizing device for pump station pipeline pressure test.

[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of pressurizing device for pump station pipeline pressure test, including main part, the multistage pressurizing assembly includes pressurizing cooling part and pressurizing conveying part;The pressurizing cooling part includes the access pipe of installation in the one side of main part, the output end of medium-pressure pump is connected in one end of access pipe, and the other end is connected high-pressure pump, and the other end of access pipe is fixedly installed with connecting pipe, one side of connecting pipe is fixedly installed with control valve, and one end of connecting pipe is fixedly installed in the one side of cooling bin.

[0008] Preferably, the main body includes a bearing plate, and the bearing plate has a connecting platform fixedly installed on the top of one side, and four universal wheels fixedly installed on the bottom.

[0009] Preferably, the pressurizing cooling part further includes a cooling water tank, and the cooling water tank has a water delivery pipe fixedly installed on the output end, and the water delivery pipe has a cooling bin fixedly installed on the top end, and the cooling bin has a water return pipe fixedly installed on the bottom, and the other end of the water return pipe is fixedly installed on the input end of the cooling water tank.

[0010] Preferably, the pressurizing conveying part includes a four-way valve and a low-pressure pump, and one side of the four-way valve is fixedly installed on the input end of the low-pressure pump.

[0011] Preferably, the pressurizing conveying part further includes a filter, and one side of the filter is fixedly installed with the four-way valve, and the other side of the filter is fixedly installed with a connecting flange pipe.

[0012] Preferably, one side of the four-way valve is fixedly installed with a flow sensor, and one end of the four-way valve is fixedly installed on one side of the cooling bin, and the inner cavity of the cooling bin is attached to the outer surface of the connecting pipe, and one end of the connecting pipe is fixedly installed on one end of the four-way valve.

[0013] The utility model discloses the advantages are in at:

[0014] 1. The utility model discloses the structural design of pressurizing cooling part, through the combination of medium-pressure pump, high-pressure pump and low-pressure pump, realizes multi-gear pressure regulation, satisfies different test demand, and cooling water tank and cooling bin constitute circulating cooling system, reduces high-pressure pump operating temperature, prolongs equipment life, realizes the function of graded pressurization cooling, solves the problem of low pressurization efficiency and insufficient heat dissipation, improves adaptability in use;

[0015] 2. The utility model discloses the structural design of pressurizing conveying part, and filter removes liquid impurities, avoids pipeline blockage;Flow sensor real-time feedback data, and the flow precision regulation is realized in combination with control valve, and test precision is improved. DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 It is a whole structure schematic diagram of the present application;

[0018] Figure 2 It is a whole structure explosion schematic diagram of the present application;

[0019] Figure 3 It is a multistage pressurizing assembly structure schematic diagram of the present application;

[0020] Figure 4 It is a multistage pressurizing assembly structure schematic diagram of the present application; Figure 3

[0021] Figure 5 It is a main body structure explosion schematic diagram of the present application.

[0022] In the figure: 1, main body; 2, multistage pressurizing assembly; 3, pressurizing cooling piece; 4, pressurizing conveying piece; 11, bearing plate; 12, connecting platform; 13, universal wheel; 21, medium pressure pump; 22, high pressure pump; 23, access pipe; 24, connecting pipe; 25, control valve; 26, cooling bin; 27, water conveying pipe; 28, cooling water tank; 29, backwater pipe; 31, four-way; 32, low pressure pump; 33, flow sensor; 34, filter; 35, connecting flange pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] Please refer to Figures 1-5 ​As shown, a kind of pressurizing device for pump station pipeline pressure test, including main body 1, the side of main body 1 is provided with multistage pressurizing assembly 2, multistage pressurizing assembly 2 includes pressurizing cooling piece 3 and pressurizing conveying piece 4;Pressurizing cooling piece 3 includes the access pipe 23 installed on the side of main body 1, the output end of medium-pressure pump 21 is connected to one end of access pipe 23, the other end is connected to high-pressure pump 22, the other end of access pipe 23 is fixedly installed with connecting pipe 24, one side of connecting pipe 24 is fixedly installed with control valve 25, one end of connecting pipe 24 is fixedly installed on the side of cooling bin 26;

[0025] When working, the liquid is first pressurized by medium-pressure pump 21 and high-pressure pump 22, the high-pressure liquid output by medium-pressure pump 21 and high-pressure pump 22 enters cooling bin 26 through access pipe 23 and connecting pipe 24, and the flow and flow direction of the liquid can be controlled by control valve 25.

[0026] Further, the main body 1 includes a bearing plate 11, and the top of one side of the bearing plate 11 is fixedly installed with a connecting platform 12, and the bottom of the bearing plate 11 is fixedly installed with four universal wheels 13.

[0027] When working, the bearing plate 11 and the connecting platform 12 can be used to bear the weight of the entire device through the installation of the bearing plate 11 and the connecting platform 12, and the universal wheels 13 enable the device to move flexibly on the ground.

[0028] Further, the pressurizing cooling piece 3 further includes a cooling water tank 28, the output end of the cooling water tank 28 is fixedly installed with a water delivery pipe 27, the top end of the water delivery pipe 27 is fixedly installed with the cooling bin 26, the bottom of the cooling bin 26 is fixedly installed with a water return pipe 29, and the other end of the water return pipe 29 is fixedly installed on the input end of the cooling water tank 28.

[0029] When working, the cooling water in the cooling water tank 28 is delivered to the cooling bin 26 through the water delivery pipe 27 to cool the high-pressure liquid entering the cooling bin 26, and the cooling water after absorbing heat flows back to the cooling water tank 28 through the water return pipe 29, realizing the recycling of the cooling water and effectively reducing the operating temperature of the equipment.

[0030] Further, the pressurizing conveying piece 4 includes a four-way valve 31 and a low-pressure pump 32, and one side of the four-way valve 31 is fixedly installed on the input end of the low-pressure pump 32.

[0031] When working, in a normal state, when the required liquid pressure is low, the liquid can be pressurized by the low-pressure pump 32 in priority, and the low-pressure pump 32 delivers the liquid to the four-way valve 31 for delivery.

[0032] Further, the pressurizing conveying piece 4 further includes a filter 34, one side of the filter 34 is fixedly installed with the four-way valve 31, and the other side of the filter 34 is fixedly installed with a connecting flange pipe 35.

[0033] In operation, the liquid passes through the filter 34 before entering the four-way valve 31, which filters out impurities in the liquid to prevent the impurities from entering the pipeline and causing blockage or damage, and the connecting flange pipe 35 facilitates connection with external pipelines.

[0034] Further, the four-way valve 31 is fixedly installed on one side of the flow sensor 33, and one end of the four-way valve 31 is fixedly installed on one side of the cooling bin 26, the inner cavity of the cooling bin 26 is attached to the outer surface of the connecting pipe 24, and one end of the connecting pipe 24 is fixedly installed on one end of the four-way valve 31.

[0035] In operation, the flow sensor 33 monitors the liquid flow through the four-way valve 31 in real time and transmits data to the control system, so that the operator can adjust the working state of the pressurizing pump as needed to ensure the stability and accuracy of the pressurizing process.

[0036] Working principle: when the test pressure requirement is low, start the low-pressure pump 32, the liquid enters the four-way valve 31 through the connecting flange pipe 35 and the filter 34, and is directly delivered to the test pipeline after being monitored by the flow sensor 33, when medium and high pressure is required, start the medium-pressure pump 21 and the high-pressure pump 22 at the same time, the liquid is sequentially pressurized by the medium-pressure pump and the high-pressure pump, then enters the cooling bin 26 through the connecting pipe 24 and the connecting pipe 23, the cooling water in the cooling water tank 28 flows into the cooling bin through the water delivery pipe 27 to cool the high-pressure liquid, the cooled water is returned to the water tank through the return water pipe 29 for circulation, the liquid always passes through the filter 34 to remove particulate impurities, the flow sensor 33 monitors the data in real time and feeds back to the control system, and the liquid flow and pressure are controlled by adjusting the opening of the control valve 25.

[0037] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A pressurizing device for pump station pipe pressure test, comprising a main body (1), characterized in that: The side of the main body (1) is provided with a multi-stage pressurizing assembly (2), which comprises a pressurizing cooling piece (3) and a pressurizing conveying piece (4); the pressurizing cooling piece (3) comprises an access pipe (23) installed on one side of the main body (1), one end of the access pipe (23) is connected with the output end of a medium-pressure pump (21), the other end is connected with a high-pressure pump (22), the other end of the access pipe (23) is fixedly installed with a connecting pipe (24), one side of the connecting pipe (24) is fixedly installed with a control valve (25), one end of the connecting pipe (24) is fixedly installed on one side of a cooling bin (26).

2. The pressurizing device for a pump station pipe pressure test according to claim 1, characterized in that: The main body (1) comprises a bearing plate (11), one side of the top of the bearing plate (11) is fixedly installed with a connecting platform (12), the bottom of the bearing plate (11) is fixedly installed with four universal wheels (13).

3. The pressurizing device for testing a pipe of a pump station according to claim 1, characterized in that: The pressurizing cooling piece (3) further comprises a cooling water tank (28), the output end of the cooling water tank (28) is fixedly installed with a water delivery pipe (27), the top end of the water delivery pipe (27) is fixedly installed with a cooling bin (26), the bottom of the cooling bin (26) is fixedly installed with a water return pipe (29), the other end of the water return pipe (29) is fixedly installed on the input end of the cooling water tank (28).

4. The pressurizing device for testing a pipe of a pump station according to claim 1, characterized in that: The pressurizing conveying piece (4) comprises a four-way pipe (31) and a low-pressure pump (32), one side of the four-way pipe (31) is fixedly installed on the input end of the low-pressure pump (32).

5. The pressurizing device for a pump station pipe pressure test according to claim 4, characterized in that: The pressurizing conveying piece (4) further comprises a filter (34), one side of the filter (34) is fixedly installed with a four-way pipe (31), the other side of the filter (34) is fixedly installed with a connecting flange pipe (35).

6. The pressurizing device for a pump station pipe pressure test according to claim 5, characterized in that: One side of the four-way pipe (31) is fixedly installed with a flow sensor (33), one end of the four-way pipe (31) is fixedly installed on one side of the cooling bin (26), the inner cavity of the cooling bin (26) is combined with the outer surface of the connecting pipe (24), and one end of the connecting pipe (24) is fixedly installed on one end of the four-way pipe (31).

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