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Integral type sealing box for reciprocating type plunger pump

A kind of integral and sealed box technology, which is applied in variable displacement pump components, pump components, liquid fuel engines, etc., to achieve the effects of compact and convenient structure, easy control of assembly precision, and improved service life

Active Publication Date: 2011-10-19
SHANGHAI DALONG MACHINE FACTORY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Therefore, under the working conditions of high temperature, high pressure and oil-coal slurry medium, the existing reciprocating coal slurry raw material pump is aimed at the high wear caused by the structure of the plunger and the plunger seal, and the thermal expansion and thermal stress caused by the high temperature working condition. The impact of parts positioning accuracy, etc., there are defects and deficiencies, which need improvement and innovation

Method used

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  • Integral type sealing box for reciprocating type plunger pump
  • Integral type sealing box for reciprocating type plunger pump
  • Integral type sealing box for reciprocating type plunger pump

Examples

Experimental program
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Effect test

Embodiment

[0030] Such as figure 2 As shown, a kind of integral sealing letter for reciprocating plunger pump is sleeved on the plunger 6, and the integral sealing letter includes the plunger 6, the main sealing box body 1, the auxiliary sealing box body 2, the front guide sleeve 3. The rear guide sleeve 4, the injection sleeve 5, etc., the main sealing body 1 is an integral sealing body, the auxiliary sealing body 2, the front guide sleeve 3, the rear guide sleeve 4 and the injection sleeve 5 are all It is arranged between the main sealing box body 1 and the plunger 6, the auxiliary sealing box body 2 is located at the rear end of the main sealing box body 1, and the rear guide sleeve 4 is located inside the auxiliary sealing box body 2. The front guide sleeve 3 is located in the middle of the main sealing box body 1, and the injection sleeve 5 is located between the front guide sleeve 3 and the rear guide sleeve 4, and the front guide sleeve 3 is closely connected with the injection s...

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Abstract

The invention relates to an integral type sealing box for a reciprocating type plunger pump, and the integral type sealing box comprises a plunger, a primary sealing box body, a secondary sealing box body, a front guide sleeve, a rear guide sleeve, an injection sleeve, a water-proof sleeve, a sealing ring and the like, wherein the primary sealing box body is an integral type sealing box body, thesecondary sealing box body, the front guide sleeve, the rear guide sleeve and the injection sleeve are all arranged between the primary sealing box body and the plunger, the secondary sealing box body is arranged on the rear end of the primary sealing box body, the rear guide sleeve is positioned in the secondary sealing box body, the front guide sleeve is positioned on the middle part of the primary sealing box body, the injection sleeve is arranged on between the front guide sleeve and the rear guide sleeve, and the front guide sleeve is tightly connected with the injection sleeve. Comparedwith the prior art, the integral type sealing box provided by the invention has a simple structure and can be suitable for the bad situations of high temperature, high pressure and particle media with high solid weight concentration ratio.

Description

technical field [0001] The invention relates to a reciprocating plunger pump, in particular to an integral sealing letter in a reciprocating coal slurry raw material pump suitable for high temperature, high pressure, and granular media with a high solid weight concentration ratio. Background technique [0002] When the coal slurry raw material pump is running, the working medium has three "states", that is, the coal slurry medium exists in three forms of liquid, gas and solid at the same time, and the operating conditions have three "high": high temperature (max290 ° C), high pressure (max20.1MPa) and coal Slurry medium solids weight concentration ratio (max52%), these harsh working conditions, no matter domestic or foreign, there is no precedent in the field of reciprocating plunger pump. [0003] The coal slurry raw material pump is generally a five-plunger structure, and its main working conditions are: the working medium is oil-coal slurry 52% + 48% liquid, the maximum m...

Claims

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Application Information

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IPC IPC(8): F04B53/02
Inventor 李君峰朱勇
Owner SHANGHAI DALONG MACHINE FACTORY CO LTD
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