Air wall sealing type double positive pressure purification workbench

A hermetically sealed, bench-top technology for chemical instruments and methods, laboratory benches/benches, enclosures or chambers, which can solve problems such as maintaining positive pressure, discharge to operators, large dust particles, etc. To achieve the effect of reducing dust particles and easy adjustment

Inactive Publication Date: 2010-05-26
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are some defects in the currently used purification workbench. Generally speaking, the work area of ​​the purification workbench maintains a positive pressure on the atmosphere, so that during the work process, if there are volatile substances in the work area, they will be directly discharged

Method used

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  • Air wall sealing type double positive pressure purification workbench
  • Air wall sealing type double positive pressure purification workbench

Examples

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Example Embodiment

[0011] An air-wall sealed double positive pressure purification workbench, comprising an air intake system 1, a diversion partial pressure zone 2 is arranged below the intake system, a diffuser 4 is provided at the bottom of the diversion partial pressure zone, and a working cavity is arranged under the diffuser Body 5, the working chamber is connected to the pumping system 6, the height H of the diversion partial pressure zone is 40-60mm, the diversion partial pressure plate 3 is arranged in the diversion partial pressure zone, and the diversion partial pressure plate is arranged obliquely in the guide In the flow partial pressure zone, the diversion partial pressure zone is divided into two front and rear sections with trapezoidal cross-sections, and the front (that is, the side near the operator) has a trapezoidal section with a large inlet end and a small outlet end. , The rear side (that is, the side away from the operator) a trapezoidal cross-section area is in the form of...

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Abstract

The invention discloses an air wall sealing type double positive pressure purification workbench which comprises an air inlet system, and a flow guide and pressure division area is arranged below the air inlet system, wherein the bottom of the flow guide and pressure division area is provided with a flow diffusion plate, and a working cavity is arranged below the flow diffusion plate and communicated with an air suction system; the height of the flow guide and pressure division area is 40-60mm, and a flow guide and pressure division plate is arranged in the flow guide and pressure division area; the flow guide and pressure division plate is obliquely arranged in the flow guide and pressure division area and divides the flow guide and pressure division area into a front area and a rear area with trapezoidal cross sections; the front area with the trapezoidal cross section is in a form that an air inlet end is large, and an air outlet end is small, and the rear area with the trapezoidal cross section is in a form that the air inlet end is small, and the air outlet end is large. The workbench has reasonable structure and can effectively guarantee the clean class of the working cavity and the safety of operating personnel.

Description

Technical field: [0001] The invention relates to a purification workbench. Background technique: [0002] In industrial production and scientific research, a dust-free and clean working environment is required in many places. The clean bench can provide an effective working environment for these purposes and improve the efficiency of production and scientific research. However, there are some defects in the currently used purification workbench. Generally speaking, the work area of ​​the purification workbench maintains a positive pressure on the atmosphere, so that during the work process, if there are volatile substances in the work area, they will be directly discharged to the operator. body. This has seriously affected the health of operators. At the same time, during the operation, when the hands and other parts of the operator enter the clean work area, a large amount of dust particles will also be brought in, which will affect the cleanliness of the clean work area...

Claims

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Application Information

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IPC IPC(8): B01L9/02B01L1/00
Inventor 花国然王强戴丽娟龚晓燕施敏
Owner NANTONG UNIVERSITY
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