Quantitative liquid injection device for dosing of chemical engineering liquid raw materials

A technology for chemical liquids and injectors, which is applied in the directions of distribution devices, packaging, transportation and packaging to achieve the effect of easy connection
CN103449044AInactive Publication Date: 2013-12-18冯顺强
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
冯顺强
Publication Date
2013-12-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a quantitative liquid injection device for dosing of chemical engineering liquid raw materials. The quantitative liquid injection device is composed of a liquid injection barrel, a connecting block, a liquid injection head and a piston rod. A liquid injection hole is formed in the inner side of the lower end of the liquid injection barrel, a rubber plug is arranged at the lower end of the piston rod and connected with the upper end of the liquid injection hole, and the piston rod moves up and down to be in linkage with the rubber plug to enable the rubber plug to be connected with the upper end of the liquid injection hole in contact and sealing mode or separated from the upper end of the liquid injection hole. The upper end of the piston rod is provided with a connecting handle, the connecting block is provided with connecting block threads connected with the liquid injection barrel, the connecting block threads are connected with the threads at the upper end of the liquid injection barrel, the middle of the connecting block is provided with a piston rod connecting hole, and the piston rod is connected with the piston rod connecting hole through a spring. A liquid injection pipe is arranged on one side of the liquid injection barrel which is communicated with the inner cavity of the liquid injection barrel. The quantitative liquid injection device can be connected with an automatic control device conveniently and can control liquid injection precision precisely.
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Description

technical field

[0001] The invention relates to a chemical raw material compounding device, in particular to a quantitative liquid injector for chemical liquid raw material compounding. Background technique

[0002] The ingredients of chemical products require accurate metering. At present, metering pumps are commonly used, but for relatively small metering, it is often difficult for metering pumps to control the amount of liquid injection; some use manual liquid injection, but the work efficiency is too low. Contents of the invention

[0003] The object of the present invention is to provide a quantitative liquid injector for chemical liquid raw material batching, which has precise liquid injection volume and is convenient for automatic operation. Contents of the invention

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A quantitative liquid injector for chemical liquid raw material ingredients, which is co...

Claims

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