Efficient circulating and filtering device for chemical experiments

A circulating filtration and chemical experiment technology, applied in the direction of filtration circuit, filtration separation, membrane filter, etc., can solve the problems of poor filtration effect and low efficiency, and achieve the effect of easy entry, promotion of solid precipitation, and promotion of water circulation

Inactive Publication Date: 2016-06-08
HUANGHE S & T COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a filter that can achieve internal circulation to improve the filtering effect in view of the problems of poor filtering effect and low efficiency in the existing chemical industry or pharmaceutical production process

Method used

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  • Efficient circulating and filtering device for chemical experiments
  • Efficient circulating and filtering device for chemical experiments
  • Efficient circulating and filtering device for chemical experiments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: the first kind of high-efficiency circulation filter device for chemical experiment see figure 1 and figure 2 , the main pipe 1 is obliquely connected with the vertical sedimentation pipe 2 and keeps the vertical sedimentation pipe 2 vertically downward, and the water inlet of the main pipe 1 is lower than the water outlet, and the communication port 1 is between the main pipe 1 and the vertical sedimentation pipe 2; There is a return pipe 5 connected between the deposition pipe 2 and the main pipe 1, and the communication port 2 is between the return pipe 5 and the main pipe 1, and the communication port 2 is lower than the communication port 1; the communication port is between the return pipe 5 and the vertical deposition pipe 2 three.

[0015] A main filter screen 6 is provided at the downstream position of the communication port 1, and a secondary filter screen 7 is provided at the downstream position of the communication port 3. A material storage...

Embodiment 2

[0017] Embodiment 2: the second kind of high-efficiency circulation filter device for chemical experiment see figure 1 and figure 2 , On the basis of Embodiment 1, the main pipe 1 is located at the position of the communication port 2 and the converging section 4 is set. The purpose of the convergence section 4 is to promote the internal circulation by means of the negative pressure of the water flow of the main pipe 1, and increase the circulation power for the internal circulation.

Embodiment 3

[0018] Embodiment 3: the third kind of high-efficiency circulation filter device for chemical experiment see figure 1 and image 3 , the vertical sedimentation tube is provided with a guide inclined plate 8, the upper end of the guide inclined plate 8 is away from the secondary filter screen but the lower end is close to the secondary filter screen. Subsidence. A self-adjusting flip plate 9 is arranged at the bottom of the downflow port, and the self-adjusting flip plate 9 is hinged to the back of the sloping guide plate 8 through a pin shaft 13 .

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PUM

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Abstract

The invention discloses an efficient circulating and filtering device for chemical experiments. The efficient circulating and filtering device comprises a main tube and a vertical precipitation tube, the main tube is obliquely communicated with the vertical precipitation tube which is kept downward vertically, a water inlet of the main tube is lower than a water outlet thereof, and a first communication port is formed between the main tube and the vertical precipitation tube. A backflow tube is communicated between the vertical precipitation tube and the main tube, a second communicated port is formed between the backflow tube and the main tube and is lower than the first communication port, a third communication port is formed between the backflow tube and the vertical precipitation tube, a main filter screen is arranged at a downflow position of the first communication port, and an auxiliary filter screen is arranged at a downflow position of the third communication port. The efficient circulating and filtering device for the chemical experiments has the advantages that the backflow tube is arranged between the main tube and the vertical precipitation tube, so that solid precipitation is promoted, and most of solids are blocked on the lower side of the main filter screen; during circulation, filtering effects can be further improved through the auxiliary filter screen, so that the solids can fall into the vertical precipitation tube.

Description

technical field [0001] The invention belongs to a filter device used in the technical field of agriculture and forestry irrigation, and in particular relates to a high-efficiency circulation filter device for chemical experiments. Background technique [0002] Manufacturing processes, whether chemical drugs or biopharmaceuticals, often include filtering out products that are in the form of solid substances in suspension. Due to the high standards of product quality and purity, as well as the cleaning possibilities and inspection possibilities of the filter units, discontinuous batches of filter treatments are often used in experimental or production processes. In this regard, however, the disadvantage of low productivity may arise, for example, due to a low ratio of productive periods to non-productive periods. A commonly used filtering device includes a top cover and a body. The top cover is provided with a feed port, the lower part of the main body is provided with a liqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D36/04B01D29/50
CPCB01D29/50B01D36/04B01D2201/206B01D2221/10
Inventor 侯巧芝周芳吴建丽信建豪张守仁郝红英
Owner HUANGHE S & T COLLEGE
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