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Hydraulic faucet type slurry pump control valve

A slurry pump and control valve technology, which is applied in the field of control valves, can solve the problems of small-diameter pipes and valves that are easy to be blocked, cannot use the slurry system, does not have the ability to prevent backflow, and automatically control the pump without load, so as to prevent Backflow, reducing the effect of water hammer

Inactive Publication Date: 2007-12-12
ZHONGYE VALVE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the strong abrasiveness of the slurry system, and easy to block small-diameter pipes and valves, none of the existing pump control valves can be used in the slurry system
The current slurry pump control valve does not have the functions of preventing backflow, starting the pump without load, reducing water hammer, automatic control, etc., and cannot effectively protect the safety of water pumps and pipe network equipment

Method used

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  • Hydraulic faucet type slurry pump control valve

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Embodiment Construction

[0011] Referring to Fig. 1 and Fig. 2, the valve body 3 is fixed on the base 9 by bolts 18; the rear end cover 15 is fixed on the rear side of the valve body 3 by bolts 14, and the front end cover 16 is fixed on the front side of the valve body 3 by bolts 18; the valve core 4. The valve shaft 17 is set in the shaft holes of the front end cover 16 and the rear end cover 15, and can rotate freely; the oil cylinder 6 is hinged with the support 8 on the base 9 and can rotate freely; the weight 1 is fixed on the left end of the lever 2, and the lever The right end of 2 is fixedly connected with the valve shaft 17, the middle part of the lever 2 is hinged with the piston rod 7 in the oil cylinder 6 through the pin shaft 5, and can rotate freely; after the normally open solenoid valve 11 and the one-way valve 12 are connected in parallel, one end passes through the oil pipe 10 and the oil cylinder The lower cavity of 6 communicates, and the other end communicates with hydraulic statio...

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Abstract

The invention discloses a hydraulic plug-type slag slurry pump control valve, it includes the valve body (3) and its base (9), the valve spool (4) installed in the valve body (3) through the valve axle (17), said valve axle (17) is connected with one end of the lever (2), another end of said valve axle (17) is equipped with a heavy hammer (1), the lower end of hydraulic cylinder (6) is hinged on said base (9), said lever (2) is hinged with the piston bar (7) in said hydraulic cylinder (6), the normal open magnetic valve (11) is parallel connected with the one-way valve (12) and then one end of them is connected with the lower cavity of said hydraulic cylinder (6), and another end is connected with the hydraulic station (13) through said oil pipes (10). The invention is a safe hydraulic plug-type slag slurry pump control valve which is mainly used for slag slurry pump outlet and has the functions of preventing inverse flow, starting pump in no-load, releasing water hammer and automatic control, and it can protect the water pump and pipe net equipments effectively.

Description

technical field [0001] The invention relates to a valve, in particular to a control valve. Background technique [0002] Existing water pump control valves have many types, but all can only be used for clean water and non-abrasive sewage system. Because the abrasiveness of the slurry system is very strong, and it is easy to block small-diameter pipes and valves, therefore, none of the existing water pump control valves can be used in the slurry system. The current slurry pump control valve does not have the functions of preventing backflow, starting the pump without load, reducing water hammer, automatic control, etc., and cannot effectively protect the safety of water pumps and pipe network equipment. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a hydraulic cock type mainly used for the outlet of the slurry pump, which has the functions of preventing backflow, starting the pump without load, reducing water h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K15/18
Inventor 邵建农
Owner ZHONGYE VALVE GRP
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