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Double-tank double-pump front mixed abrasive jet continuous working system

A pre-mixed abrasive, working system technology, applied in abrasive jet machine tools, abrasives, abrasive feeding devices, etc., can solve the problems of uneven abrasive mixing, inability to work stably, abrasive supply interruption, etc., to promote full mixing, reduce The effect of equipment fatigue and improved service life

Active Publication Date: 2018-04-24
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It overcomes the defects of the traditional double-tank front mixing abrasive jet system, which has abrasive supply interruption and cannot work stably, and can solve the problems of uneven abrasive mixing and equipment fatigue caused by long-term high-pressure work of the pump group

Method used

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  • Double-tank double-pump front mixed abrasive jet continuous working system

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Embodiment Construction

[0026] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

[0027] A double-tank double-pump type pre-mixed abrasive jet continuous working system, including: water tank 1, two sets of water pumps 2A, 2B, two sets of high-pressure abrasive tanks 3A, 3B, jet pump 4, sand adding funnel 6, pre-boosting device 5 , ultrasonic abrasive monitoring system 12, nozzle 7, tee pipe 9A, 9B, pressure gauge 17, accumulator 16, DC motor 15, one-way valve 13, one-way throttle valve 11, overflow valve 8A, 8B, two Position two-way electromagnetic reversing valve 10A, 10B, 10C, 10D; pre-boost device 5 includes: high-pressure housing 51, electromagnet 52, movable valve core 53A, 53B, 54A, 54B, T-shaped valve head 55, fixed iron Block 56, rigid spring 57, magnetic isolation plate 58, mixing chamber 59.

[0028] The water pumps 2A, 2B and the pre-boosting device 5 are equipped with overflow valves 8A, 8B and a one-way va...

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Abstract

The invention discloses a double-tank double-pump front mixed abrasive jet continuous working system. The system comprises two high-pressure abrasive tanks for alternately feeding a pre-booster device. The pre-booster device includes two groups of sand inlets and water inlets, the two groups of sand inlets and water inlets are connected to the two high-pressure abrasive tanks and water pumps corresponding to the abrasive tanks respectively, the two groups of sand inlets and water inlets are respectively provided with electromagnetic valves, the effective contact areas of the electromagnetic valves on both sides of the sand inlets and the water inlets are the same, the valves are opened and closed by a direct current motor, and the direct current motor is also provided with an energy accumulator for voltage regulation. The outlet of the pre-booster device is connected to a nozzle through a pipeline. The system aims at the problems that the switching of the abrasive tanks in the existingabrasive jet interrupts the sand supply and affects the cutting quality, and the pressure pulsation generated in the boost waiting and switching process is eliminated through the pre-booster device,thereby achieving the continuous work of the front mixed abrasive jet in a true sense.

Description

technical field [0001] The invention relates to the field of abrasive jet processing, in particular to a double-tank double-pump front-mixing abrasive jet continuous working system. Background technique [0002] Water jet technology is a new technology developed in the past 20 years, and its application is becoming more and more extensive, mainly used to cut, crush and clean materials. [0003] Due to the high pressure required for pure water jets to cut hard metals and rocks, generally 300-1000 MPa, it is difficult to widely popularize and apply them, so abrasive jets appear. Abrasive jet is a liquid-solid two-phase medium jet formed by abrasive and high-speed flowing water, in which abrasive plays the main cutting role. Abrasive jets are further divided into pre-mixed abrasive jets and post-mixed abrasive jets. Due to the uneven mixing of the post-mixed abrasive jet, it is difficult for the abrasive to enter the center of the jet to accelerate fully, and most of the abra...

Claims

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Application Information

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IPC IPC(8): B24C7/00B24C3/04B24C9/00
CPCB24C3/04B24C7/0023B24C9/00
Inventor 李登范奇康勇王晓亮汪祖安韩向东袁淼
Owner WUHAN UNIV
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