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Device with stepping type short tubes for removing inhalable particulates by thermophoresis

A remover and step-by-step technology, which is applied to the field of step-by-step short-tube inhalable particulate matter thermophoresis removers, can solve the problems of complex methods and difficult to apply engineering practice, and achieves simple control, reliable performance, and easy marketability. The effect of promoting the application

Inactive Publication Date: 2005-09-07
TSINGHUA UNIV
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Problems solved by technology

At the same time, they used the inertial collision and thermophoretic deposition of the particles on the cold copper plate, and coated the copper plate with butter to bond the particles, so that the total deposition efficiency reached more than 50%, but this method is very complicated and difficult to apply to engineering. actual

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  • Device with stepping type short tubes for removing inhalable particulates by thermophoresis
  • Device with stepping type short tubes for removing inhalable particulates by thermophoresis
  • Device with stepping type short tubes for removing inhalable particulates by thermophoresis

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Embodiment Construction

[0011] The specific structure, working process and best implementation mode of the present invention will be further described below in conjunction with the accompanying drawings.

[0012] Fig. 1 is a schematic structural diagram of a straight channel stepping short tube inhalable particle thermophoresis remover, which is straight in shape and includes a thermophoresis working section 3, a transition flow section 5, an inlet valve 2, an outlet valve 13 and a The dust cleaning bypass system between the inlet valve and the outlet valve; the thermophoresis working section and the transition flow section are arranged alternately, and the two are connected by a flange 4; the thermophoresis working section adopts a water inlet 11 and a water outlet The annular bushing of the water cooling system of hole 12, annular bushing is made of interior pipe 9 and outer casing 10 (as image 3 , 4), the length of the annular casing is generally 0.1 to 2.0m, preferably 0.5 to 1.2m, and the inner...

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Abstract

The invention discloses a step short-tube thermal pour deprivator absorbing grains and relates to the short-tube combination dedusting system through cooling water in the short bushing ring-clapping layer, and belongs to the field of dedusting or environmental protection technology. The deprivator comprises thermal pour working section, transitional flowing section, inlet valve, outlet valve and dedusting by-pass system. The thermal pour section adopts the ring short bushing with water cooling system. The transitional flowing section adopts the single short tube. The thermal pour and the transitional flowing sections are collocated alternatively and connected by flanges. The invention makes use of short tube and non-sufficient flowing effect to increase the thermal depositing efficiency in every tache under thermal pour effect and finally it arrives relatively high gross depositing efficiency. The invention has low manufacturing and transporting costs, simple implementing and operating methods. The deprivator has two basic types of direct channel combination and square combination, which can effectively deprivate the grains being absorbed.

Description

technical field [0001] The invention relates to a device for removing inhalable particulate matter, in particular to a short-pipe combined dedusting system in which cooling water is passed through the interlayer of a short casing ring, that is, in a gas-solid two-phase fluid flow containing inhalable particulate matter When the tube is too short, the thermophoretic effect of inhalable particles under the action of temperature difference is used to deposit the particles on the cold wall surface to realize the removal of inhalable particles, which belongs to the technical field of dust removal or environmental protection. Background technique [0002] The inhalable particulate matter (PM2.5) contained in the airflow will move in the direction of temperature decrease under the effect of the temperature difference between the higher airflow temperature and the colder wall surface, and deposit on the cold wall surface, which is called the thermophoretic effect. The thermophoretic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D49/02
Inventor 周涛杨瑞昌赵磊刘若雷
Owner TSINGHUA UNIV
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