A high-cold type plunger type mud pump injection equipment

Abstract

The utility model relates to pump injection equipment technical field especially discloses a kind of high-cold type plunger type mud injection equipment, including distribution pry, electric drive plunger mud pump pry and power cable component, distribution pry is reduced and rectified filter after industrial power grid power supply, and whole equipment is provided with power, electric drive plunger mud pump pry completes pumping work, electric drive plunger mud pump pry includes motor, pry frame, transmission device, motor gear pump, plunger pump, suction manifold, discharge manifold, radiator, power end lubricating system, hydraulic end lubricating system, electrical system, instrument and control box, power cable component auxiliary distribution pry and electric drive plunger mud pump pry work together. The utility model whole adopts pry structure, compact structure, it is convenient to integrated installation and transfer, the collaborative work of each system is completed pumping function.

Description

Technical Field

[0001] This utility model relates to the field of pumping equipment technology, and in particular to a high-altitude, cold-weather plunger-type mud pumping equipment. Background Technology

[0002] Currently, the mud pumps commonly used are piston pumps, which are complex in structure, heavy and large in size, have poor self-priming ability, high operating costs, and the mud pumping equipment is heavy and lacks insulation measures, making it unsuitable for use in high-altitude and cold regions.

[0003] The trend towards lightweight mud pumps is evident in the well workover market, particularly in the development of supporting equipment for well workover operations. Plunger-type mud pumps are small in size, lightweight, and easy to move, and have lower operating costs compared to traditional mud pumps. Therefore, utilizing lightweight plunger-type mud pump equipment, combined with insulation measures, enables stable operation in cold regions. To address these challenges, we propose a cold-weather-friendly plunger-type mud pump equipment. Utility Model Content

[0004] The purpose of this invention is to solve the problems in the prior art and provide a high-altitude, cold-weather plunger-type mud pumping device.

[0005] The technical solution of this utility model is:

[0006] A high-altitude, cold-weather plunger-type mud pumping equipment adopts a skid-mounted structure, including a power distribution skid, an electric-driven plunger mud pump skid, and a power cable assembly. The power distribution skid steps down and rectifies the industrial power grid to provide power to the entire equipment. The electric-driven plunger mud pump skid performs the pumping operation. The electric-driven plunger mud pump skid includes a motor, skid frame, transmission device, electric gear pump, plunger pump, suction manifold, discharge manifold, radiator, lubrication system, electrical system, instruments, and control box. The power cable assembly assists the power distribution skid and the electric-driven plunger mud pump skid in working together.

[0007] To facilitate safe electricity use, the power distribution skid includes a disconnect switch cabinet, auxiliary transformer cabinet, vacuum circuit breaker cabinet, low-voltage control cabinet, buffer and phase-shifting transformer, frequency converter cabinet, and cooling system. The power distribution skid has a container structure and can be placed on the outdoor ground.

[0008] To facilitate hoisting, the center of gravity of the power distribution skid is located at its geometric center of gravity. An insulating pad is laid at the bottom of the power distribution skid, and climbing ladders are attached to the outside of the power distribution skid. It is hoisted from the top of the four corners.

[0009] For overall electrical layout and maintenance of each cabinet, the inside of the distribution skid is equipped with a lighting system, smoke alarm device and electric heater. The side of the distribution skid is equipped with a door for direct maintenance of the isolating switch cabinet. The vacuum circuit breaker cabinet adopts a handcart-type vacuum circuit breaker. The buffer and phase shifting transformer and frequency converter cabinet are placed directly in the middle of the distribution skid. The cooling system is integrated and placed on the side of the distribution skid.

[0010] For insulation, the electric plunger mud pump skid also includes an insulation chamber, which is detachably mounted on the skid frame. The insulation chamber can cover the various components of the electric plunger mud pump skid and provide insulation.

[0011] To achieve constant temperature control of the entire equipment, the electric-driven plunger mud pump skid also includes an electric heating system. The electric heating system works in conjunction with the insulation chamber to achieve constant temperature control of the entire equipment. The electric heating system is equipped with an electric hot air fan to preheat the plunger pump in a low-temperature environment.

[0012] To ensure safe operation and ease of maintenance, the electric plunger mud pump skid also includes a fire extinguisher and a toolbox for storing tools.

[0013] To reduce maintenance and replacement costs, the plunger pump includes a plunger, a pump head body, a packing box, a packing gland, two discharge glands, and multiple suction glands. One end of the plunger passes through the packing box and is inserted into the pump head body. The portion of the plunger located inside the packing box is sequentially fitted with a packing ring, a packing assembly, and a packing gasket. The packing box is detachably pressed onto the pump head body by the packing glands. Both the suction glands and discharge glands are detachably mounted on the pump head body, and a detachable discharge flange is connected to the discharge gland.

[0014] To enhance sealing and facilitate disassembly, O-ring 1 and a suction support ring are fitted at the contact points between the suction gland and the pump head body, while O-ring 2 and a discharge support ring are fitted at the contact points between the discharge gland and the pump head body.

[0015] The present invention adopts the above structure and has the following advantages:

[0016] 1. The whole adopts a skid-mounted structure, which is compact and easy to integrate, install and transport, and facilitates the coordinated work of various systems to complete the pumping function;

[0017] 2. The packing box and pump head body are made detachable, thereby reducing the volume of the pump head body. At the same time, the packing box is replaceable, allowing for the replacement of plungers of different sizes. The suction gland and discharge gland are changed from the original union structure to a flange and sealing ring structure, further reducing the volume of the pump head body.

[0018] 3. The electric-driven plunger mud pump skid is equipped with an electric heating system that works in conjunction with the insulation chamber to achieve constant temperature control for the entire equipment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of the electric-driven plunger mud pump skid of this utility model.

[0020] Figure 2 This is a rear view schematic diagram of the electric-driven plunger mud pump skid of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the insulated chamber of this utility model;

[0022] Figure 4 This is a schematic diagram of the main structure of the plunger pump of this utility model;

[0023] Figure 5 for Figure 4 A schematic diagram of the AA cross-sectional structure.

[0024] In the diagram, 1. Electric motor; 2. Skid; 3. Fire extinguisher; 4. Transmission device; 5. Electric gear pump; 6. Grease system; 7. Plunger pump; 8. Suction manifold; 9. Toolbox; 10. Discharge manifold; 11. Electric hot air blower; 12. Control box; 13. Radiator; 14. Lubricating oil tank; 15. Insulation chamber; 16. Plunger; 17. Packing gland; 18. Oil scraper ring; 19. Packing box; 20. Packing pressure ring; 21. Packing packing assembly; 22. Packing gasket; 23. Pump head body; 24. O-ring one; 25. Suction gland; 26. Suction support ring; 27. O-ring two; 28. Discharge gland; 29. ​​Discharge support ring; 30. Discharge flange. Detailed Implementation

[0025] To make the technical means, technical features, utility model purpose and technical effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0026] A high-altitude, cold-weather-resistant plunger-type mud pump injection device adopts a skid-mounted structure, including a power distribution skid, an electrically driven plunger mud pump skid, and power cable components, wherein:

[0027] (i) The power distribution skid steps down and rectifies the industrial power grid to provide power to the entire equipment. The power distribution skid includes a disconnect switch cabinet, auxiliary transformer cabinet, vacuum circuit breaker cabinet, low-voltage control cabinet, buffer and phase-shifting transformer, frequency converter cabinet and cooling system. The power distribution skid has a container structure and can be placed on the outdoor ground. The center of gravity of the power distribution skid is located at its geometric center of gravity, which is conducive to overall stability. The bottom of the power distribution skid is covered with an insulating mat. The outside of the power distribution skid is equipped with a climbing ladder and adopts a four-corner top hoisting method. The interior of the power distribution skid is equipped with a lighting system, smoke alarm device and electric heater. The electrical layout inside the power distribution skid fully considers the maintenance of each cabinet. The side of the power distribution skid is provided with a door for direct maintenance of the disconnect switch cabinet. The vacuum circuit breaker cabinet adopts a handcart drawer-type vacuum circuit breaker. The frequency converter cabinet is equipped with a frequency converter. The buffer and phase-shifting transformer and the frequency converter cabinet are placed directly in the middle of the power distribution skid to ensure sufficient aisle space. Both adopt a front and rear door method. The cooling system is integrated and placed on the side of the power distribution skid.

[0028] (ii) The electrically driven plunger mud pump skid completes the pumping operation, such as Figure 1 and Figure 2 As shown, the electric-driven plunger mud pump skid includes an electric motor 1, a skid frame 2, a transmission device 4, an electric gear pump 5, a plunger pump 7, a suction manifold 8, a discharge manifold 10, a radiator 13, a grease system 6, an electrical system, instruments, and a control box 12. The electric motor 1 provides power to the plunger pump 7. The skid frame 2 is used to install and fix the various components. The electric gear pump 5 provides circulating power to the power-end lubrication system. The grease system 6 provides grease to the plunger pump 7. The grease system 6 includes a power-end lubrication system and a hydraulic-end lubrication system. The plunger pump 7 works in conjunction with the suction manifold 8 and the discharge manifold 10 to achieve low-pressure suction and high-pressure discharge of mud. The radiator 13 adopts a top-mounted horizontal structure and is installed above the transmission device 4. The power-end lubrication system is equipped with a lubricating oil tank 14. The radiator 13 is used to cool the lubricating oil tank 14. The lubricating oil tank 14 is installed on one side of the transmission device 4 to provide lubricating oil to the plunger pump 7. The control box 12 is used to display and control the operation of the electric-driven plunger mud pump skid.

[0029] The electrically driven plunger mud pump skid also includes an insulated chamber 15, which is detachably mounted on the skid frame 2. Figure 3 As shown, the insulation chamber 15 can cover all the components of the electric-driven plunger mud pump skid and provide insulation; the electric-driven plunger mud pump skid also includes an electric heating system, which works in conjunction with the insulation chamber 15 to achieve constant temperature control of the entire equipment; the electric heating system is equipped with an electric hot air blower 11 for preheating the plunger pump 7 in a low-temperature environment; the electric-driven plunger mud pump skid also includes a fire extinguisher 3 and a toolbox 9 for storing tools;

[0030] like Figure 4 and Figure 5As shown, the plunger pump 7 includes a plunger 16, a pump head body 23, a packing box 19, a packing gland 17, two discharge glands 28, and multiple suction glands 25. One end of the plunger 16 passes through the packing box 19 and is inserted into the pump head body 23. The portion of the plunger 16 located inside the packing box 19 is sequentially fitted with a packing ring 20, a packing assembly 21, and a packing gasket 22. To prevent the plunger 16 from carrying lubricating grease out during movement, an oil scraper ring 18 is also fitted on the plunger 16. The packing box 19 is detachably pressed onto the pump head body 23 by the packing gland 17. The suction glands 25 and discharge glands 28 are detachably mounted on the pump head body 23. A detachable discharge flange 30 is connected to the discharge gland 28. An O-ring 24 and a suction support ring 26 are fitted at the contact position between the suction gland 25 and the pump head body 23. An O-ring 27 and a discharge support ring 29 are fitted at the contact position between the discharge gland 28 and the pump head body 23.

[0031] The plunger pump 7 can be equipped with plungers 16, packing glands 17, oil scraper rings 18, packing boxes 19, packing rings 20, packing assemblies 21, and packing gaskets 22 of different sizes according to the pressure and displacement requirements of the entire equipment, without having to replace the pump head body 23. This makes disassembly convenient and reduces costs. The other components of the plunger pump 7 are existing structures and are not described in detail in this utility model. In addition, the working principle of the plunger pump 7 is an application of existing technology and will not be elaborated here.

[0032] (iii) The power cable components work in coordination with the power distribution skid and the electric-driven plunger mud pump skid;

[0033] Before starting the electric plunger mud pump skid, the electric hot air blower 11 needs to be turned on first to work with the insulation chamber 15 to raise the temperature inside the chamber and preheat the components inside the chamber; once the temperature inside the chamber is constant within the required temperature range, the electric hot air blower 11 is turned off, and then the motor 1 is started.

[0034] Working principle: The grid power supply is connected to the distribution skid through the grid cable. The buffer and phase-shifting transformer in the distribution skid converts the grid voltage into the voltage required by the frequency converter. After rectification and filtering by the frequency converter, the voltage provides power to the motor 1 of the electric plunger mud pump skid. The motor 1 drives the plunger pump 7 through the transmission device 4. The cement slurry is drawn in at low pressure by the plunger pump 7 through the suction manifold 8, and after being pressurized, it is discharged at high pressure through the discharge manifold 10 and injected into the well for operation.

[0035] The entire structure adopts a skid-mounted design, which facilitates integration, installation, and transportation.

[0036] It should be noted that the components and equipment mentioned above are all applications of existing technology.

[0037] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

[0038] All equivalent changes and modifications made to the scope of this utility model patent application shall fall within the technical scope of this utility model.

Claims

1. A high-altitude, cold-weather plunger-type mud pumping device, characterized in that: The equipment adopts a skid-mounted structure, including a power distribution skid, an electric-driven plunger mud pump skid, and a power cable assembly. The power distribution skid steps down and rectifies the industrial power grid to provide power to the entire equipment. The electric-driven plunger mud pump skid performs the pumping operation. The electric-driven plunger mud pump skid includes a motor (1), a skid frame (2), a transmission device (4), an electric gear pump (5), a plunger pump (7), a suction manifold (8), a discharge manifold (10), a radiator (13), a grease system (6), an electrical system, instruments, and a control box (12). The power cable assembly assists the power distribution skid and the electric-driven plunger mud pump skid in working together.

2. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 1, characterized in that: The power distribution skid includes a disconnect switch cabinet, an auxiliary transformer cabinet, a vacuum circuit breaker cabinet, a low-voltage control cabinet, a buffer and phase-shifting transformer, a frequency converter cabinet, and a cooling system. The power distribution skid has a container structure and can be placed on the outdoor ground.

3. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 2, characterized in that: The center of gravity of the power distribution skid is located at its geometric center of gravity. An insulating mat is laid at the bottom of the power distribution skid. A climbing ladder is attached to the outside of the power distribution skid, and it is suspended from the top of the four corners.

4. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 3, characterized in that: The interior of the power distribution skid is equipped with a lighting system, a smoke alarm device, and an electric heater. The side of the power distribution skid has a door for direct maintenance of the isolating switch cabinet. The vacuum circuit breaker cabinet is a handcart-type vacuum circuit breaker. The buffer and phase-shifting transformer and frequency converter cabinet are placed directly in the middle of the power distribution skid. The cooling system is integrated and placed on the side of the power distribution skid.

5. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 4, characterized in that: The electric-driven plunger mud pump skid also includes an insulation chamber (15), which is detachably mounted on the skid frame (2). The insulation chamber (15) can cover the various components of the electric-driven plunger mud pump skid and provide insulation.

6. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 5, characterized in that: The electric-driven plunger mud pump skid also includes an electric heating system, which works in conjunction with the insulation chamber (15) to achieve constant temperature control of the entire equipment. The electric heating system is equipped with an electric hot air blower (11) for preheating the plunger pump (7) in a low-temperature environment.

7. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 6, characterized in that: The electric plunger mud pump skid also includes a fire extinguisher (3) and a toolbox (9) for storing tools.

8. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 7, characterized in that: The plunger pump (7) includes a plunger (16), a pump head body (23), a packing box (19), a packing gland (17), two discharge glands (28), and multiple suction glands (25). One end of the plunger (16) passes through the packing box (19) and is inserted into the pump head body (23). The portion of the plunger (16) located inside the packing box (19) is sequentially fitted with a packing ring (20), a packing assembly (21), and a packing gasket (22). The packing box (19) is detachably pressed onto the pump head body (23) by the packing gland (17). The suction glands (25) and discharge glands (28) are detachably mounted on the pump head body (23). A detachable discharge flange (30) is connected to the discharge gland (28).

9. The high-altitude cold-weather plunger-type mud pumping equipment according to claim 8, characterized in that: The contact position between the suction cap (25) and the pump head body (23) is fitted with an O-ring one (24) and a suction support ring (26), and the contact position between the discharge cap (28) and the pump head body (23) is fitted with an O-ring two (27) and a discharge support ring (29).

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