Plunger assembly structure with cooling function for plunger pump
A component structure, the technology of the plunger pump, which is applied to the parts of the pumping device for elastic fluid, the pump element, the variable capacity pump parts, etc. good effect
Pending Publication Date: 2020-08-25
阿奥艾斯能源科技成都有限公司 +1
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Problems solved by technology
[0003] In shale gas exploration projects, plunger pumps are widely used to transport oil, and for some high-temperature oil, because the hydraulic end of the traditional plunger pump is directly connected to the power end, its high temperature is easily transferred from the hydraulic end to the power end. Adverse effects on the power end
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[0028] The present invention will be further described below in conjunction with embodiment and accompanying drawing.
[0029] Such as Figure 1-7 As shown, a plunger assembly structure for a plunger pump with a cooling function includes a plunger 1 and a stuffing box 2 set on the plunger 1, and a filler is provided between the stuffing box 2 and the plunger 1 Seal assembly 3, the outer end of the packing seal assembly 3 is pressed by the packing gland 4. When in use, the stuffing box 2 is fixedly installed on the hydraulic end cylinder 23 of the plunger pump, and is transported by the reciprocating motion of the plunger 1 High temperature oil.
[0030] The outer side of the stuffing box 2 is sleeved with a first cooling box 5 and a second cooling box 6 along its axial direction, wherein the first cooling box 5 is close to the liquid end of the plunger pump, and the second cooling box The body 6 is close to the power end of the plunger pump, and the middle part of the stuffi...
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The invention discloses a plunger assembly structure with the cooling function for a plunger pump. The plunger assembly structure comprises a plunger and a stuffing box arranged on the plunger in a sleeving mode, a stuffing sealing assembly is arranged between the stuffing box and the plunger, the outer end of a stuffing seal is pressed by a stuffing gland, the outer side of the stuffing box is sleeved with a first cooling box body and a second cooling box body in the axial direction of the stuffing box, a first cooling annular cavity is formed between the first cooling box body and the stuffing box, and a second cooling annular cavity is formed between the second cooling box body and the stuffing box. According to the plunger assembly structure, different cooling media are injected into the two cooling annular cavities, so that different positions of the plunger can be cooled; after entering the corresponding annular cavities, the injected-in cooling media can flow out of the annularcavities only after flowing through the whole annular cavities, the flow path of the cooling media is longest, the cooling effect is the best, high temperature of the fluid end can be effectively prevented from being transmitted to the power end through the plunger, and the power end is well protected.
Description
technical field [0001] The invention relates to the technical field of plunger pumps, in particular to a plunger assembly structure for a plunger pump with a cooling function. Background technique [0002] The plunger pump is an important device of the hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder to change the volume of the sealed working chamber to realize oil suction and pressure. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow adjustment, and is widely used in high pressure, large flow and flow adjustment occasions, such as hydraulic presses, engineering machinery and ships. [0003] In shale gas exploration projects, plunger pumps are widely used to transport oil, and for some high-temperature oil, because the hydraulic end of the traditional plunger pump is directly connected to the power end, its high temperature is easily transferred from the hydraulic end to...
Claims
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IPC IPC(8): F04B53/08F04B53/02F04B53/14F04B53/18
CPCF04B53/08F04B53/02F04B53/14F04B53/18
Inventor 聂鹏龚超柳进乔汉杰任龙
Owner 阿奥艾斯能源科技成都有限公司