High-efficiency and low-resistance dust remover for gas separation and purification

A technology of gas separation and dust collector, applied in the direction of separation method, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of large energy loss, large pressure drop, complex structure, etc., and achieve reduced energy consumption and small pressure drop , the effect of high separation efficiency

Active Publication Date: 2013-09-11
JIANGSU NANFANG COATING & ENVIRONMENT PROTECTION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The CYBAG filter invented by Chinese patent CN98114710.0 is to install a bag filter on the top of the cyclone separator. It needs to add a Venturi tube to increase the speed. The efficiency is high, but the structure is complicated and the pressure drop is large.
The obvious disadvantage of this cyclone separator is that its energy loss is large, the pressure drop is large, and the pressure drop combined with the filter is also large

Method used

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  • High-efficiency and low-resistance dust remover for gas separation and purification
  • High-efficiency and low-resistance dust remover for gas separation and purification

Examples

Experimental program
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Effect test

Embodiment 1

[0027] like figure 1 Shown: when the dust collector of the present invention is in use, the gas containing dust particles enters the tangential inlet 1 of the DC cyclone separator, and the dust particles are thrown to the wall of the device under the action of centrifugal force, move spirally along the cyclone separation wall, and finally It falls into the ash hopper 7 below and is discharged from the discharge port 8; at the same time, the gas separated by the cyclone moves downward along the center of the cavity of the DC cyclone and enters the exhaust pipe 5, and the gas is installed through the upper end of the exhaust pipe 5 The filter element 4 enters into 5 to further purify the gas. When pulse recoil is used, the dust deposited on the filter element 4 will also fall into the ash hopper 7 below and be discharged from the discharge port 8 . At the same time, in order to facilitate disassembly and replacement of the filter element 4, the cylindrical body 2 of the DC cycl...

Embodiment 2

[0029] like figure 2 Shown: when the dust collector of the present invention is in use, the gas containing dust particles enters the tangential inlet 1 of the DC cyclone separator, and the dust particles are thrown to the wall of the device under the action of centrifugal force, move spirally along the cyclone separation wall, and finally It is discharged from the discharge port 8; at the same time, the gas separated by the cyclone moves horizontally along the center of the cavity of the DC cyclone into the exhaust pipe 5, and the gas enters into the exhaust pipe 5 through the filter element 4 installed at the inlet end of the exhaust pipe 5, and further Purified gas. When pulse recoil is used, the dust deposited on the filter element 4 will also be discharged from the discharge port 8 . In order to facilitate disassembly and replacement of the filter element 4 , the cylindrical body 2 of the DC cyclone separator is designed as a detachable connection structure between the f...

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Abstract

The invention discloses a high-efficiency and low-resistance dust remover for gas separation and purification. The high-efficiency and low-resistance dust remover comprises a direct current type cyclone separator, and is characterized in that a filter element (4) is arranged at an inlet of a gas exhaust pipe (5) of the direct current type cyclone separator and is made of a low-resistance and high-efficiency ultramicropore paper filter barrel. According to the high-efficiency and low-resistance dust remover, the filter element is arranged in the direct current type cyclone separator, so that the characteristics of the separator and the characteristics of the filter are organically combined; the higher separation efficiency can be guaranteed, the total pressure drop can be reduced, and the energy consumption and the cost are reduced; moreover, the pressure drop of the selected direct current type cyclone separator is smaller, and the low-resistance and high-efficiency filter element made of the ultramicropore paper filter barrel is low in initial filter resistance which is less than 200 Pa and high in purification efficiency; for micro dust particles of which the particle size is more than 0.5 microns, the purification efficiency is up to 99.9 percent; and the filter element which is convenient to mount, dismount, replace and clean and the detachably connected direct current type cyclone separator are more suitable for drilling work with higher flowability.

Description

technical field [0001] The invention relates to gas purification and dust removal equipment in the field of gas purification, in particular to a high-efficiency and low-resistance dust collector with low pressure reduction, high separation precision, low filtration resistance and small volume for gas separation and purification. Background technique [0002] Dust collectors are widely used and can be applied to many industrial productions to accomplish different process purposes, such as: purifying dispersion media, recovering dispersed materials, purifying exhaust gas, and protecting subsequent equipment. There are also many types of dust collectors, which can be divided into: inertial force (gravity) dust collectors, centrifugal force dust collectors, electrostatic force dust collectors and filters according to the separation efficiency from low to high. To ensure high separation accuracy, filters must be used. Although the separation accuracy of the filter is very high, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00
Inventor 张志强付双成
Owner JIANGSU NANFANG COATING & ENVIRONMENT PROTECTION EQUIP
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