Flow regulating device under solid-liquid conveying environment
A technology of conveying device and environment, applied in the direction of valve operation/release device, valve device, valve details, etc., can solve the problem of low applicability of flow control valve, and achieve the effect of avoiding pipeline blockage
Pending Publication Date: 2017-07-14
ZHEJIANG UNIV OF TECH
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Problems solved by technology
[0003] In order to improve the problem of poor applicability of traditional flow regulating valves when transporting solid-liquid two-phase materials in chemical equipment, the present invention provides a pneumatic hose flow regulating device, which changes the flow rate of the hose by adjusting the external pressure at a point on the outer wall of the hose. The flow area makes it possible to regulate the flow in the solid-liquid transfer pipeline to the greatest extent, thus preventing the phenomenon of pipeline clogging
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[0012] Combine below Figure 1-4 The present invention will be described in detail.
[0013] figure 1 Among them, each component is: 1 leather pipe connector; 2 hose; 3 tight tube; 4 nut; 5 gas delivery device;
[0014] The hose 2 is a silicone hose with an outer diameter of 21mm and an inner diameter of 16mm; the leather pipe joint 1 is a solid steel pipe with an outer diameter of 25mm, and the solid steel pipe is processed into a figure 2 The size; choose a seamless steel pipe with an outer diameter of 38mm and a thickness of 8.5mm, and use a lathe to process the seamless steel pipe into image 3 The size of the compression tube 3 and the tee 6 are welded together by welding, and the other end of the tee 6 is welded with the gas delivery device 5; the hose 2 is inserted into the compression tube 3, and then the soft The two ends of the tube 2 are inserted into the leather tube joint 1, and the hose 2 is compressed by the parallel tapered surface of the leather tube joint...
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The invention discloses a flow regulating device under solid-liquid conveying environment. The flow regulating device comprises a leather tube used for conveying liquid containing solid, wherein a compacting tube sleeves the outer part of the leather tube; each end of the compacting tube presents a conical surface shape, and the end of each leather tube connector presents a conical surface shape; the shape of each end of the compacting tube is matched with the shape of the end of the corresponding leather tube connector; each of two ends of the leather tube is compacted between the conical surface of the corresponding end of the compacting tube and the conical surface of the end of the corresponding leather tube connector; a thread is formed in the outer side surface of the compacting tube, and the compacting tube is connected with nuts; each nut is matched with the corresponding leather tube connector through a shaft shoulder; a closed cavity is formed between the leather tube and the compacting tube, and is connected with a gas conveying device through a through hole in the compacting tube; the gas conveying device comprises a compressor which is capable of conveying high-pressure gas into the closed cavity, a signal processing device, and an electromagnetic valve; the input end of the signal processing device is connected with the output end of a flow meter used for measuring the flow the leather tube; the output end of the signal processing device is connected with the electromagnetic valve; and the opening or the closure of a conveying pipeline of the gas conveying device is controlled by the electromagnetic valve.
Description
technical field [0001] The patent of the invention relates to the field of pipeline flow control, in particular to a device for regulating the flow of a hose channel by using air pressure. Background technique [0002] In the medium and small flow fluid transportation process of the whole set of chemical equipment, manual control valves or electric control valves are mainly used to adjust the delivery flow of pipelines. The existing regulating valve is mainly composed of valve body, sleeve, valve disc, valve stem and other parts. The sleeve and valve disc are all provided with throttle holes, and the valve disc rotates in the valve seat to change the flow area and adjust The flow rate of the pipeline, this adjustment method is widely used in the pure liquid material transportation pipeline, but in the solid-liquid two-phase transportation pipeline system, because the solid material is easy to form accumulation near the inlet of the regulating valve pipeline, resulting in pip...
Claims
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IPC IPC(8): F16K7/07F16K31/126F16L19/025
CPCF16K7/07F16K31/126F16L19/025
Inventor 张玮张孝杨陈冰冰项敬来郑三龙
Owner ZHEJIANG UNIV OF TECH