Pressure tapping and plugging device assembly for pump system pipeline

Abstract

The utility model relates to a pump system pipeline under-pressure trepanning and plugging device assembly which comprises a first fixing assembly, a second fixing assembly, a drilling assembly and a plugging assembly, the first fixing assembly and the second fixing assembly are both welded to a circulating pump inlet pipeline, the drilling assembly is inserted into the first fixing assembly, and the plugging assembly is inserted into the second fixing assembly. A plugging assembly is inserted into the second fixing assembly and comprises a round rod, an inflation inlet, an air bag, a supporting rod and an air outlet, the inflation inlet is formed in one end of the round rod, an inflation channel is formed in the round rod, and the other end of the round rod is connected with the air bag and the supporting rod. The supporting rod is arranged in the air bag, an air outlet and an inflation inlet are formed in the supporting rod, the air outlet is communicated with the inflation channel, and the air outlet is communicated with an inner cavity of the air bag; compared with the prior art, in the implementation of an energy-saving technical improvement project of the circulating pump, the pressure tapping plugging operation is simple, the installation time is saved, and the installation cost is reduced.

Description

[Technical field]

[0001] The utility model relates to the field of energy saving of circulating pumps, in particular to a pressure-opening and blocking device component for a pipeline of a pump system. [Background Technology]

[0002] During the implementation of energy-saving retrofit projects for existing circulating pumps, there are sometimes instances of backflow into the existing pump system being retrofitted, with the inlet service valve not properly closed or missing. If an energy-saving pump is installed directly, the pump room will be flooded during installation, which violates safety regulations. Installation must be permitted only after ensuring that the pump room is not flooded.

[0003] During the shutdown and maintenance period, the water in the pool can be drained below the installation required water level line, the valve can be replaced or installed first, and then the energy-saving pump can be installed. However, users cannot shut down production at will, and the construction period may be delayed for more than one year.

[0004] Alternatively, pressure tapping and sealing can be used. Currently, pressure tapping and sealing equipment on the market is designed for high-pressure pipelines like those used in oil and gas pipelines and municipal pipelines. These devices are complex, large, and heavy, typically requiring only one set for each pipe size. This makes tapping and sealing labor intensive and expensive, with installation costs increasing several times over. The inlet pressure of a circulating pump is typically only 0.01-0.03 MPa, lower than that of oil and gas pipelines and municipal pipelines. [Utility Model Content]

[0005] The purpose of the present invention is to solve the above-mentioned deficiencies and provide a pump system pipeline pressure opening and plugging device assembly, which can simplify the pressure opening and plugging operation during the implementation of the circulating pump energy-saving technical transformation project, save installation time and reduce installation costs.

[0006] In order to achieve the above purpose, a pump system pipeline pressure opening and plugging device assembly is designed, including a fixing assembly 1, a fixing assembly 2, a drilling assembly and a plugging assembly. The fixing assembly 1 and the fixing assembly 2 are both welded to the circulation pump inlet pipe 1. The fixing assembly 1 and the fixing assembly 2 are respectively inserted with a drilling assembly, and the drilling assembly is used to drill holes on the upper wall of the circulation pump inlet pipe 1 at the corresponding position. The plugging assembly is inserted into the fixing assembly 2. The plugging assembly includes a round rod 11-1, an inflation port 11-2, an air bag 11- 3. Support rod 11-4 and air outlet 11-5. An inflation port 11-2 is provided at one end of the round rod 11-1, and an inflation channel is provided inside the round rod 11-1. The other end of the round rod 11-1 is connected to the airbag 11-3 and the support rod 11-4. The support rod 11-4 is provided inside the airbag 11-3, and an air outlet 11-5 is provided on the support rod 11-4. The inflation port 11-2 and the air outlet 11-5 are both connected to the inflation channel, and the air outlet 11-5 is connected to the inner cavity of the airbag 11-3.

[0007] Furthermore, the fixing component 1 includes a conversion joint 2, a ball valve 3, a conversion joint 2 4 and a pressure gauge 5. One end of the conversion joint 2 is welded to the circulation pump inlet pipe 1, and the other end of the conversion joint 2 has an external thread and is connected to one end of the ball valve 3 through the external thread. One end of the conversion joint 2 4 has an external thread and is connected to the other end of the ball valve 3 through the external thread. The other end of the conversion joint 2 4 has an internal thread and is connected to the pressure gauge 5 through the internal thread.

[0008] Furthermore, the fixing component 2 includes a conversion joint 3 6, a ball valve 2 7 and a conversion joint 4 8. One end of the conversion joint 3 6 is welded to the circulation pump inlet pipe 1, and the other end of the conversion joint 3 6 has an external thread. One end of the conversion joint 4 8 has an external thread. The ball valve 2 7 is installed between the conversion joint 3 6 and the conversion joint 4 8 through the external thread. The other end of the conversion joint 4 8 is equipped with a rubber sealing sleeve 9, and the rubber sealing sleeve 9 is fastened by a pressure cover 10.

[0009] Furthermore, the drilling assembly includes a drill bit 12, one end of which is mounted on a pistol drill.

[0010] Furthermore, the sizes of the airbag 11-3 and the support rod 11-4 are compatible with the size of the circulation pump inlet pipe 1. The head of the support rod 11-4 is designed to be spherical to avoid piercing the airbag 11-3. The airbag 11-3 is made of high-elastic rubber.

[0011] Furthermore, the round rod 11-1 of the sealing component is interference fit with the rubber sealing sleeve 9, and the airbag 11-3 and the support rod 11-4 are both in contact and connected with the lower part of the inner wall of the circulation pump inlet pipe 1. The sealing component is completed by inflating the airbag 11-3 along the inflation port 11-2, and the airbag 11-3 is in complete contact with the inner wall of the circulation pump inlet pipe 1 when the pressure gauge 5 reading returns to zero.

[0012] Compared with the existing technology, the utility model provides a simple pressure hole plugging equipment component for the implementation of this type of circulation pump energy-saving technical transformation project. During the implementation of the circulation pump energy-saving technical transformation project, the pressure hole plugging operation is simple, installation time is saved, installation costs are reduced, and construction delays caused by shutdowns and maintenance are avoided. It solves the problems of pressure hole plugging equipment currently on the market, such as complex equipment, large and bulky equipment, large hole plugging construction volume, high cost, and doubled installation costs. [Brief Description of the Drawings]

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 yes Figure 1A partial enlarged view of the middle A;

[0015] Figure 3 This is a schematic diagram of the utility model's drill bit connected to a pistol drill;

[0016] Figure 4 yes Figure 1 Schematic diagram of a local enlarged structure;

[0017] In the figure: 1. Circulation pump inlet pipe 2. Adapter 1 3. Ball valve 1 4. Adapter 2 5. Pressure gauge 6. Adapter 3 7. Ball valve 2 8. Adapter 4 9. Rubber sealing sleeve 10. Gland 11-1 11-2 11-3 11-4 11-5 12-13 11-5 12-14 11-6 12-15 13-16 13-17 13-18 13-19 14-20 15-21 16-22 17-23 18-24 19-25 19-26 19-27 19-28 19-29 20-30 21-31 22-32 23-33 24-34 25-35 26-36 27-37 28-38 29-39 30-40 31-41 32-33 33-35 34-35 35-36 36-37 37-38 38-39 [Specific implementation method]

[0018] As attached Figure 1 To the attached Figure 4 As shown, the utility model provides a pump system pipeline pressure opening plugging device assembly, including a fixing assembly, a fixing assembly, a drilling assembly and a plugging assembly. The fixing assembly and the fixing assembly are welded to the circulation pump inlet pipe 1. The fixing assembly and the fixing assembly are respectively inserted into the drilling assembly, and the drilling assembly is used to drill holes on the upper wall of the circulation pump inlet pipe 1 at the corresponding position. The plugging assembly is inserted into the fixing assembly 2. The plugging assembly includes a round rod 11-1, an air inlet 11-2, an air inlet The round rod 11-1 is provided with an inflation port 11-2 at one end, and an inflation channel is provided inside the round rod 11-1. The other end of the round rod 11-1 is connected to the airbag 11-3 and the support rod 11-4. The support rod 11-4 is provided inside the airbag 11-3, and an air outlet 11-5 is provided on the support rod 11-4. The inflation port 11-2 and the air outlet 11-5 are both connected to the inflation channel, and the air outlet 11-5 is connected to the inner cavity of the airbag 11-3.

[0019] Among them, the sizes of the airbag 11-3 and the support rod 11-4 are adapted to the size of the circulation pump inlet pipe 1. The head of the support rod 11-4 is designed to be spherical to avoid piercing the airbag 11-3. The airbag 11-3 is made of high-elastic rubber; the round rod 11-1 of the sealing component is interference fit with the rubber sealing sleeve 9, and the airbag 11-3 and the support rod 11-4 are both in contact with the lower part of the inner wall of the circulation pump inlet pipe 1. The sealing component inflates the airbag 11-3 along the inflation port 11-2, and when the pressure gauge 5 reading returns to zero, the airbag 11-3 is in complete contact with the inner wall of the circulation pump inlet pipe 1, and the sealing is completed.

[0020] Fixed component 1 includes conversion joint 1 2, ball valve 1 3, conversion joint 2 4 and pressure gauge 5. One end of conversion joint 1 2 is welded to the circulation pump inlet pipe 1, and the other end of conversion joint 1 2 has an external thread and is connected to one end of ball valve 1 3 through the external thread. One end of conversion joint 2 4 has an external thread and is connected to the other end of ball valve 3 through the external thread. The other end of conversion joint 2 4 has an internal thread and is connected to the pressure gauge 5 through the internal thread.

[0021] Fixed component two includes conversion joint three 6, ball valve two 7 and conversion joint four 8. One end of conversion joint three 6 is welded to the circulation pump inlet pipe 1, and the other end of conversion joint three 6 has an external thread. One end of conversion joint four 8 has an external thread. Ball valve two 7 is installed between conversion joint three 6 and conversion joint four 8 through the external thread. The other end of conversion joint four 8 is equipped with a rubber sealing sleeve 9, which is fastened by a pressure cover 10.

[0022] The drilling assembly includes a drill bit 12 , one end of which is mounted on a pistol drill.

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] A circulating pump system pipeline pressure opening and plugging device assembly comprises a first fixing assembly, a second fixing assembly, a drilling assembly and a plugging assembly.

[0025] Fixed component 1: includes conversion joint 1-2, one end of which is used to be welded to the circulation pump inlet pipe 1 (before the inlet inspection valve), and the other end has a G1 external thread to connect to the ball valve 1-3; conversion joint 2-4, one end of which has a G1 external thread to connect to the ball valve 1-3, and the other end has an M20×1.5 internal thread to connect to the pressure gauge 5; the pressure gauge 5 has a range of 0-0,06MPa, which matches the static pressure of the pool.

[0026] Fixed component two: includes conversion joint three 6, one end of which is used to be welded to the circulation pump inlet pipe 1 (before fixed component one), and the other end has a G1 external thread; conversion joint four 8, one end of which has a G1 external thread and the other end is equipped with a rubber sealing sleeve 9, which is fastened with a pressure cap 10; a ball valve two 7 is installed between conversion joint three 6 and conversion joint four 8.

[0027] Drilling assembly: drill bit 12, one end connected to a pistol drill.

[0028] The plugging assembly consists of a round rod 11-1, one end of which is an inflation port 11-2. The other end is connected to the airbag 11-3 and a support rod 11-4. The support rod 11-4 is located inside the airbag 11-3 and has an outlet 11-5. Only the airbag 11-3 and support rod 11-4 are manufactured to the same specifications as the circulation pump inlet pipe 1; the rest of the components are universal and have the same specifications. The head of the support rod 11-4 is spherical and polished to prevent puncture of the airbag 11-3. The airbag 11-3 has a large expansion capacity and is made of highly elastic rubber to ensure reliable performance.

[0029] If there is no inspection valve at the original pump inlet, the welding position of fixing component 1 and fixing component 2 on the inlet circulation pump inlet pipe 1 needs to reserve space for installing a new inspection valve.

[0030] The operation process of this utility model is:

[0031] 1. Weld one end of conversion joint 1 (2) to a suitable position on the circulation pump inlet pipe (1) and install ball valve 1 (3); weld one end of conversion joint 3 (6) to a suitable position on the circulation pump inlet pipe (1) and install ball valve 2 (7).

[0032] 2. Install the drill bit 13 on the pistol drill, insert it into adapter 1 2, turn on the power, and begin drilling. Drill through the upper wall of the circulation pump inlet pipe 1 completely, and a small amount of water will spray out. At this point, one person slowly removes the drill bit while the other person closes ball valve 1 3, installs adapter 2 4, and then inserts adapter 3 6 into the drill hole. Once the same operation is complete, close ball valve 2 7 and install adapter 4 8.

[0033] 3. Install pressure gauge 5 on conversion joint 2 4, open ball valve 1 3, and pressure will be displayed on pressure gauge 5.

[0034] 4. Assemble the sealing assembly and insert it fully into adapter connector 4 8. Install rubber sealing sleeve 9 and secure with gland 10. The sealing assembly's round rod 11-1 will now have an interference fit with the rubber sealing sleeve 9, preventing water from escaping from the top of fixing assembly 2 during subsequent operations. Open ball valve 2 7 and continue inserting the sealing assembly downward until the airbag 11-3 and support rod 11-4 contact the lower inner wall of the circulating pump inlet pipe 1.

[0035] 5. Slowly inflate the air bag 11-3 along the inflation port 11-2, and observe the reading of the pressure gauge 5 at the same time. When the reading returns to zero, it means that the air bag 11-3 has completely contacted with the inner wall of the circulation pump inlet pipe 1, and the sealing work is completed.

[0036] 6. After the plugging is completed, you can replace or install the valve, remove the plugging assembly, close the ball valve 27, and then install the energy-saving pump.

[0037] The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field. The standard parts used can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connections adopt conventional connection methods in the existing technology, which will not be described in detail here.

[0038] The present invention is not limited to the above-mentioned embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A pump system pipeline pressure opening and sealing device assembly, characterized by: The invention comprises a fixing component 1, a fixing component 2, a drilling component and a blocking component. The fixing component 1 and the fixing component 2 are both welded to the circulation pump inlet pipe (1). The fixing component 1 and the fixing component 2 are respectively inserted with drilling components, and holes are drilled on the upper wall of the circulation pump inlet pipe (1) at corresponding positions by using the drilling components. The blocking component is inserted into the fixing component 2. The blocking component comprises a round rod (11-1), an inflation port (11-2), an air bag (11-3), a support rod (11-4) and an air outlet (11-5). An inflation port (11-2) is provided at one end of the round rod (11-1), an inflation channel is provided inside the round rod (11-1), the other end of the round rod (11-1) is connected to the airbag (11-3) and the support rod (11-4), the support rod (11-4) is provided inside the airbag (11-3), an air outlet (11-5) is provided on the support rod (11-4), the inflation port (11-2) and the air outlet (11-5) are both in communication with the inflation channel, and the air outlet (11-5) is in communication with the inner cavity of the airbag (11-3).

2. The pump system pipeline pressure opening and sealing device assembly according to claim 1, characterized in that: The fixing assembly 1 comprises a conversion joint 1 (2), a ball valve 1 (3), a conversion joint 2 (4) and a pressure gauge (5); one end of the conversion joint 1 (2) is welded to the circulation pump inlet pipe (1); the other end of the conversion joint 1 (2) has an external thread and is connected to one end of the ball valve 1 (3) through the external thread; one end of the conversion joint 2 (4) has an external thread and is connected to the other end of the ball valve 1 (3) through the external thread; the other end of the conversion joint 2 (4) has an internal thread and is connected to the pressure gauge (5) through the internal thread.

3. The pump system pipeline pressure opening and sealing device assembly according to claim 1, characterized in that: The fixing assembly 2 includes a conversion joint 3 (6), a ball valve 2 (7) and a conversion joint 4 (8). One end of the conversion joint 3 (6) is welded to the circulation pump inlet pipe (1), the other end of the conversion joint 3 (6) has an external thread, and one end of the conversion joint 4 (8) has an external thread. The ball valve 2 (7) is installed between the conversion joint 3 (6) and the conversion joint 4 (8) through the external thread. The other end of the conversion joint 4 (8) is equipped with a rubber sealing sleeve (9), and the rubber sealing sleeve (9) is fastened by a pressure cover (10).

4. The pump system pipeline pressure opening and sealing device assembly according to claim 1, characterized in that: The drilling assembly comprises a drill bit (12), one end of which is mounted on a pistol drill.

5. The pump system pipeline pressure opening and sealing device assembly according to any one of claims 1 to 4, characterized in that: The sizes of the airbag (11-3) and the support rod (11-4) are both compatible with the size of the circulation pump inlet pipe (1); the head of the support rod 11-4 is designed to be spherical to avoid piercing the airbag (11-3); and the airbag (11-3) is made of high-elastic rubber.

6. The pump system pipeline pressure opening and sealing device assembly according to claim 5, characterized in that: The round rod (11-1) of the blocking component is interference-fitted with the rubber sealing sleeve (9); the airbag (11-3) and the support rod (11-4) are both in contact with and connected to the lower portion of the inner wall of the circulation pump inlet pipe (1); the blocking component is inflated into the airbag (11-3) along the inflation port (11-2); and when the pressure gauge (5) reading returns to zero, the airbag (11-3) is in complete contact with the inner wall of the circulation pump inlet pipe (1), and the blocking is completed.

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