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Pre-pump filter

A filter device and a technology in front of the pump, applied in the direction of filter separation, filter circuit, pumping device components for elastic fluid, etc., can solve the problems that the packing cannot be cleaned in time, the liquid flow rate is reduced, and the sewage discharge capacity is poor, etc., to achieve structural Reasonable, strong sewage discharge capacity, not easy to clog the effect

Active Publication Date: 2019-02-19
ZHEJIANG WEIGUANG VALVE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the Lanshi filter is generally used, but the existing Lanshi filter has a large volume, poor sewage discharge capacity, and the collected filler cannot be cleaned in time, resulting in a decrease in the liquid flow rate, easy to block, and complicated operation during cleaning. inconvenient

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment

[0015] Embodiment: the pre-pump filter device of the present invention, as attached figure 1 , attached figure 2 , attached image 3 , attached Figure 4 As shown, it includes a collection tank 3, the middle part of the collection tank 3 is provided with a filter screen 5, the upper part is provided with an inlet pipe 1, the side part is provided with an outlet pipe 2, and the bottom is provided with a sewage pipe 4. The inlet pipe 1 is an elbow, and the center of the two ports is Lines cross diagonally or vertically. A sight glass 7 is provided on the side wall of the collecting tank 3 . The bottom of the collection tank 3 is provided with several sub-supports 6; the support 6 has a flat bottom plate, and two vertical plates are erected on the bottom plate, the two vertical plates are arranged in parallel, the upper side walls of the two vertical plates extend laterally, and the extension ends are welded to the collecting Tank 3 is the outer wall of the tank body.

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PUM

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Abstract

The invention relates to a pre-pump filtering device. The filtering device comprises a collecting tank; a filter screen is arranged at the middle part of the collecting tank, an inlet pipe is arranged at the upper part, an outlet pipe is arranged at the side part, and a drain pipe is arranged at the bottom; and the inlet pipe is a bent pipe. The structure disclosed by the invention is capable of separating the solid from the liquid through an isolated shunting technology; the inlet pipe has a baffle plate effect by adopting a bend; the fixed particles in the liquid automatically pass through a middle channel of the filter screen and automatically settle in the collecting tank so as to be easily collected. Debris can automatically drop down by only needing to dismount a block at the drain pipe position when the debris needs to be cleaned.

Description

technical field [0001] The invention relates to a filtering device, in particular to a pre-pump filtering device for filtering sulfuric acid or ceramic filler fragments discharged from a strong acid absorption packing tower. Background technique [0002] There are some ceramic packing fragments in the outlet pipeline of sulfuric acid or some strong acid absorption packing towers, which are easy to cause scratches or damage to lining equipment, pipelines, pumps, and valves, causing corrosion and leakage of the shell; if a collection device is added at the outlet pipeline of the tower, Collect these damaged fillers, then the subsequent equipment will not be damaged by these ceramic scratches. In the prior art, the Lanshi filter is generally used, but the existing Lanshi filter has a large volume, poor sewage discharge capacity, and the collected filler cannot be cleaned in time, resulting in a decrease in the liquid flow rate, easy to block, and complicated operation during cl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D36/04B01D29/11B01D35/02F04B53/20
CPCB01D29/11B01D35/02B01D36/04F04B53/20
Inventor 张士来蔡景兴陈身方
Owner ZHEJIANG WEIGUANG VALVE MFG