Shaft-seal-free high-inlet-pressure-resistant water pressure plunger pump equipment
A technology without shaft seal and hydraulic column, which is applied in mechanical equipment, components of pumping devices for elastic fluids, pumps, etc. problems, to achieve the effect of convenient selection, improved service life, and improved convenience
Active Publication Date: 2021-08-10
XUZHOU XINDALONG CHEM PUMP MFG CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a hydraulic plunger pump equipment without a shaft seal that can withstand high inlet pressure, which solves the problem of shortening the service life of the submersible motor and the problem of the prior art when the submersible motor and the plunger pump are in a high-pressure environment. Submersible motors have high water resistance requirements and are inconvenient to choose
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0022] see Figure 1-3 , the present invention provides a technical solution: a hydraulic plunger pump device without a shaft seal that can withstand high inlet pressure, including a mounting base 1, a submersible motor 2, an extension shaft 3, a plunger 13, a pump 4, and a pressure-bearing cylinder 5. The surface of the installation bottom plate 1 is provided with a submersible motor 2 and a plunger 13 pump 4 in sequence from left to right, and an extension shaft 3 is fixedly connected between the submersible motor 2 and the plunger 13 pump 4, and the extension shaft 3 is located between the submersible motor 2 and the plunger 13 pump 4, and the submersible motor 2 and the plunger 13 pump 4 are fixedly connected at both ends, and the surface of the plunger 13 pump 4 is fixedl...
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The invention discloses shaft-seal-free high-inlet-pressure-resistant water pressure plunger pump equipment which comprises a mounting bottom plate, a submersible motor, an extension shaft, a plunger pump and a pressure bearing cylinder, wherein the submersible motor and the plunger pump are sequentially arranged on the surface of the mounting bottom plate from left to right, and the extension shaft is fixedly connected between the submersible motor and the plunger pump; a pressure-bearing cylinder is fixedly connected to the surface of the plunger pump and comprises a water inlet end, a cylinder body and an end cover, the water inlet end is connected with one end of the cylinder body in a welded mode, the end cover is located at the other end of the cylinder body and detachably connected with the cylinder body, a partition plate is fixedly connected to the interior of the water inlet end, and the plunger pump comprises a shell, a transmission shaft, a return disc, a plunger, a rotary body, an oil distribution disc and a rear cover. The structural design without a shaft seal is adopted, and the pressure-bearing barrels made of stainless steel are fixedly connected to the outer side of the plunger body, so that the convenience and safety during maintenance of the plunger pump are greatly reduced, and the pressure-bearing barrels with different thicknesses are utilized to more conveniently improve the pressure tolerance of the plunger pump.
Description
technical field [0001] The invention relates to the technical field of plunger pumps, in particular to hydraulic plunger pump equipment without a shaft seal and capable of withstanding high inlet pressure. Background technique [0002] With the continuous development of economy and society, hydraulic drive technology has become a new type of drive technology that people pay close attention to because of its outstanding advantages such as environmental protection, energy saving, and safety. Hydraulic plunger pumps are self-lubricating with flowing water medium, have high working pressure, high efficiency and low power consumption, and are widely used in water treatment fields such as seawater desalination, landfill leachate treatment and zero discharge of industrial wastewater. The hydraulic plunger pump is a positive displacement water pump, relying on the volume change produced by the reciprocating motion of the plunger against the surface of the swash plate along the axial...
Claims
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IPC IPC(8): F04B17/03F04B53/00F04B53/16
CPCF04B17/03F04B53/16F04B53/00
Inventor 李政伦
Owner XUZHOU XINDALONG CHEM PUMP MFG CO LTD