WO2021195996A1 - 一种热处理车间废气等离子体净化装置及净化方法 - Google Patents

一种热处理车间废气等离子体净化装置及净化方法 Download PDF

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WO2021195996A1
WO2021195996A1 PCT/CN2020/082532 CN2020082532W WO2021195996A1 WO 2021195996 A1 WO2021195996 A1 WO 2021195996A1 CN 2020082532 W CN2020082532 W CN 2020082532W WO 2021195996 A1 WO2021195996 A1 WO 2021195996A1
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module
plasma
exhaust gas
purification
gas
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PCT/CN2020/082532
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English (en)
French (fr)
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张波
张晔
骆敏
朱理瀚
虞文武
金旭栋
高之涵
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常州机电职业技术学院
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Priority to PCT/CN2020/082532 priority Critical patent/WO2021195996A1/zh
Publication of WO2021195996A1 publication Critical patent/WO2021195996A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes

Definitions

  • the invention belongs to the technical field of exhaust gas treatment, and particularly relates to a plasma purification device and a purification method for exhaust gas in a heat treatment workshop.
  • the present invention proposes a plasma purification device and a purification method for exhaust gas in a heat treatment workshop.
  • a heat treatment workshop exhaust gas plasma purification device which includes a mechanical dust removal module, an exhaust gas washing module, a plasma primary purification module, and a plasma secondary purification module arranged in series in a horizontal sequence
  • the mechanical dust removal module performs mechanical dust removal and separation of particulate smoke and dust in the exhaust gas
  • the exhaust gas washing module purifies and separates water-soluble pollutants in the exhaust gas
  • the plasma primary purification module includes a first gas A distribution plate, a dielectric barrier discharge assembly and a photocatalytic plate
  • the first gas distribution plate is located in front of the dielectric barrier discharge assembly, the number of the dielectric barrier discharge assembly is multiple, and the photocatalytic plate is placed between adjacent dielectric barrier discharge assemblies
  • the dielectric barrier discharge assembly includes a hollow cylindrical test tube structure and a rod-shaped electrode, the hollow cylindrical test tube structure is a dielectric barrier layer, the rod-shaped electrode is fixed in the center of the hollow cylindrical test tube structure to form a single electrode, and the number
  • the second gas distribution plate is located in front of the needle-net discharge assembly, and the activated carbon fiber filter is located behind the needle-net discharge assembly.
  • the net discharge assembly adopts a single needle as the electrode of the pulse power source, and the net electrode is grounded to realize the needle tip corona discharge.
  • the plasma secondary purification module is connected to the exhaust tower to discharge the treated gas.
  • the purification device further includes a main control module which is respectively connected to the mechanical dust removal module, the exhaust gas washing module, the plasma primary purification module and the plasma secondary purification module.
  • the main control module is respectively connected with the gas detection module and the power system module.
  • the photolysis catalyst plate is a honeycomb aluminum base, and the surface is coated with a nano photolysis catalyst.
  • the hollow cylindrical test tube structure is made of ceramic or quartz material.
  • the rod-shaped electrode is made of stainless steel.
  • the mechanical dust removal module includes a centrifugal separator, an electrostatic adsorption assembly, and a mechanical filter element filter screen.
  • the centrifugal separator, the electrostatic adsorption assembly, and the mechanical filter element filter screen are connected in sequence, and a dust accumulation is provided under the mechanical dust removal module. Hopper.
  • the exhaust gas scrubbing module includes a scrubbing tower and a gas drying component, and the scrubbing tower is connected to the gas drying component.
  • a traction fan is provided in the exhaust tower.
  • the invention also includes a plasma purification method for exhaust gas in a heat treatment workshop, which includes the following steps:
  • Step 1 The exhaust gas generated in the heat treatment process first enters the mechanical dust removal module.
  • the exhaust gas passes through the centrifugal separator, the electrostatic adsorption component and the mechanical filter element filter to remove the particulate smoke and dust.
  • the separated smoke and dust fall into the dust hopper.
  • Step 2 The exhaust gas after mechanical dust removal enters the exhaust gas washing module, the water-soluble pollutants in the exhaust gas are purified and separated by the washing tower, and then the gas is dried by the gas drying component;
  • Step 3 The exhaust gas after the exhaust gas washing enters the plasma primary purification module and the plasma secondary purification module in sequence, and undergoes plasma discharge and photocatalytic purification to achieve the purification of oil fume and odor;
  • Step 4 The gas after plasma purification is discharged through the exhaust tower under the action of the traction fan and the collection and monitoring of the gas detection module.
  • the present invention Compared with the prior art, the present invention has the beneficial effects that: the present invention solves the problems of low exhaust gas treatment in the existing heat treatment workshops, poor exhaust gas selectivity, and process conditions that do not meet the characteristics of the industry.
  • the invention can efficiently purify various types of smoke, dust, oil fume, hydrocarbons and other harmful gases on the basis of the selection of the purification module according to the actual situation of heat treatment processing.
  • the invention is environmentally friendly, has a reasonable and compact device structure, convenient maintenance and installation, stable performance, good purification effect, high purification efficiency, strong pertinence and practicability, and overcomes the small scope of application, high investment, and insufficient purification of the current purification device Wait for insufficient.
  • Fig. 1 is a schematic diagram of the structure of a plasma purification device for exhaust gas in a heat treatment workshop according to the present invention.
  • 1-Mechanical dust removal module 2-Waste gas washing module, 3-Plasma primary purification module, 4-Plasma secondary purification module, 5-Main control module, 6-Centrifugal separator, 7-Electrostatic adsorption component, 8- Mechanical filter element filter screen, 9-dust hopper, 10-washing tower, 11-gas drying component, 12-first gas distribution plate, 13-dielectric barrier discharge assembly, 14-photolysis catalytic plate, 15-second gas Distribution plate, 16-needle net discharge assembly, 17-activated carbon fiber filter, 18-traction fan, 19-exhaust tower, 20-gas detection module, 21-power system module.
  • an exhaust gas plasma purification device of a heat treatment workshop which includes a mechanical dust removal module 1, an exhaust gas washing module 2, a plasma primary purification module 3, and a plasma secondary purification module 4 arranged in series in a transverse direction.
  • the mechanical dust removal module 1 mechanically removes and separates particulate smoke and dust in the exhaust gas
  • the exhaust gas washing module 2 purifies and separates water-soluble pollutants in the exhaust gas
  • the plasma primary purification module 3 includes The first gas distribution plate 12, the dielectric barrier discharge assembly 13, and the photolysis catalytic plate 14, the first gas distribution plate 12 is located in front of the dielectric barrier discharge assembly 13, the number of the dielectric barrier discharge assembly 13 is multiple, and the adjacent dielectric barrier A photocatalytic plate 14 is placed between the discharge assembly 13.
  • the dielectric barrier discharge assembly 13 includes a hollow cylindrical test tube structure and a rod-shaped electrode.
  • the hollow cylindrical test tube structure is a dielectric barrier layer, and the rod-shaped electrode is fixed on the hollow cylindrical test tube structure.
  • a single electrode is formed in the center, and the number of the single electrodes is multiple.
  • the multiple single electrodes are arranged in an array structure.
  • Two single electrodes form a counter electrode, and two or more rows of counter electrodes form a dielectric barrier discharge assembly 13.
  • the plasma secondary purification module 4 includes a second gas distribution plate 15, a needle-net discharge assembly 16, and an activated carbon fiber filter screen 17, and the second gas distribution plate 15 is located in the needle-net discharge assembly.
  • the activated carbon fiber filter 17 is located behind the needle net discharge assembly 16.
  • the needle net discharge assembly 16 uses a single needle as the electrode of the pulse power source, and the net electrode is grounded to realize the needle tip corona discharge.
  • the stage purification module 4 is connected to the exhaust tower 19 to discharge the treated gas.
  • the overall installation or module selection can be performed according to the actual situation of the heat treatment process.
  • the modules are arranged in series in a horizontal direction.
  • the mechanical dust removal module 1 includes a centrifugal separator 6, an electrostatic adsorption assembly 7 and a mechanical filter element filter screen 8.
  • the centrifugal separator 6, the electrostatic adsorption assembly 7 and the mechanical filter element filter screen 8 are connected in sequence to separate the particulate smoke and dust in the exhaust gas. Clean up regularly.
  • the exhaust gas scrubbing module 2 includes a scrubbing tower 10 and a gas drying component 11, and the scrubbing tower 10 is connected to the gas drying component 11 to purify and separate water-soluble pollutants in the exhaust gas, and then perform gas drying.
  • the function of the first gas distribution plate 12 and the second gas distribution plate 15 is to evenly arrange the gas, which is conducive to the subsequent plasma purification.
  • the hollow cylindrical test tube structure is made of ceramic or quartz material, the rod-shaped electrode is made of stainless steel, and the dielectric barrier High-frequency and high-voltage power supply is used for discharge, and the power supply is connected in parallel with a single electrode.
  • the photolysis catalytic plate 14 is made of honeycomb aluminum base, and the surface is coated with nano-photolysis catalyst.
  • the plasma primary purification module 3 is mainly used for gaseous fume such as oil fume. Purification.
  • the needle-net discharge assembly 16 uses a single needle as the electrode of the high-voltage pulse power source, and the mesh electrode is grounded to realize the needle tip corona discharge.
  • the rear activated carbon fiber filter 17 mainly uses activated carbon fiber for the final adsorption and filtration, and the plasma secondary purification module 4 Mainly realize the purification of smell and so on.
  • the purification device also includes a main control module 5, which is connected to the mechanical dust removal module 1, the exhaust gas washing module 2, the plasma primary purification module 3, and the plasma secondary purification module 4, respectively.
  • the main control module 5 is connected to the gas detection module.
  • the module 20 is connected to the power system module 21.
  • the exhaust tower 19 is provided with a traction fan 18.
  • the gas passing through the plasma secondary purification module 4 passes through the exhaust tower under the action of the traction fan 18 19 to discharge, through the gas detection module 20, the composition and pressure of each process gas can be collected and analyzed in real time, and the working status of each module can be monitored in the whole process and the process can be guided.
  • the invention also includes a plasma purification method for exhaust gas in a heat treatment workshop, which includes the following steps:
  • Step 1 Exhaust gas generated in the heat treatment process first enters the mechanical dust removal module 1.
  • the exhaust gas passes through the centrifugal separator 6, the electrostatic adsorption assembly 7 and the mechanical filter element filter 8 in order to remove the particulate smoke and dust, and the separated smoke and dust fall into the product. Dust hopper, follow-up cleaning;
  • Step 2 The exhaust gas after mechanical dust removal enters the exhaust gas washing module 2, the water-soluble pollutants in the exhaust gas are purified and separated by the washing tower 10, and then the gas is dried by the gas drying component 11;
  • Step 3 The exhaust gas after the exhaust gas washing enters the plasma primary purification module 3 and the plasma secondary purification module 4 in sequence, and undergoes plasma discharge and photocatalytic purification to achieve the purification of oil fume and odor;
  • Step 4 The gas after plasma purification is discharged through the exhaust tower 19 under the action of the traction fan 18 and the collection and monitoring of the gas detection module 20.

Abstract

一种热处理车间废气等离子体净化装置及其净化方法。装置包括横向依次串联排列的机械除尘模块（1）、废气洗涤模块（2）、等离子体一级净化模块（3）和等离子体二级净化模块（4），机械除尘模块（1）对废气中的颗粒状烟尘和粉尘进行机械式除尘分离，废气洗涤模块（2）对废气中的水溶性污染物进行净化分离，等离子体一级净化模块（3）包括第一气体分布板（12）、介质阻挡放电组件（13）和光解催化板（14），等离子体二级净化模块（4）包括第二气体分布板（15）、针网放电组件（16）和活性炭纤维滤网（17）。

Description

一种热处理车间废气等离子体净化装置及净化方法 技术领域
本发明属于废气处理技术领域，特别是涉及一种热处理车间废气等离子体净化装置及净化方法。
背景技术
基础材料及其性能一直制约着中国的经济社会发展，金属材料的热处理是其重要环节，热处理加工过程中产生的废气对环境污染也日益突出。热处理由于设备和工艺的不同，废气污染物也不同，包含各类烟尘、粉尘、油烟、碳氢化合物和其它有害气体等。等离子体技术作为物质第四态，已广泛应用于材料表面处理、气体净化等领域。目前国家倡导绿色制造，号召关停转产、污染整治、技术改造等方式实现热处理行业的转型升级，但热处理行业多数为中小企业，受限于经营和管理现状，综合应用等离子体等技术实现热处理车间废气高效净化，是热处理车间废气净化管理的迫切需求。目前主要利用化学中和等方法净化热处理车间废气，但存在需要针对性不强、二次污染等问题，现有等离子体放电处理等技术和装备，但存在效果不高、废气选择性、工艺条件不符合行业特点等问题，热处理行业应用市场上急需一种能实现热处理车间废气等离子体净化装置及净化方法。
发明内容
本发明为了解决现有技术中的问题，提出一种热处理车间废气等离子体净化装置及净化方法。
为实现上述目的，本发明采用以下技术方案：一种热处理车间废气等离子体净化装置，它包括横向依次串联排列的机械除尘模块、废气洗涤模块、等离子体一级净化模块和等离子体二级净化模块，所述机械除尘模块对废气中的颗粒状烟尘和粉尘进行机械式除尘分离，所述废气洗涤模块对废气中的水溶性污染物进行净化分离，所述等离子体一级净化模块包括第一气体分布板、介质阻挡放电组件和光解催化板，所述第一气体分布板位于介质阻挡放电组件前方，所述介质阻挡放电组件数量为多个，相邻介质阻挡放电组件之间放置光解催化板，所述介质阻挡放电组件包括空心圆柱试管结构和棒状电极，所述空心圆柱试管结构为介质阻挡层，所述棒状电极固定在空心圆柱试管结构的中心形成单电极，所述单电极的数量为多个，多个单电极采用阵列结构排列，两个单电极组成一个对电极，两列以上的对电极组成介质阻挡放电组件，所述单电极采用并联的方式与电源相连，所述等离子体二级净化模块包括第二气体分布板、针网放电组件和活性炭纤维滤网，所述第二气体分布板位于针网放电组件前方，所述活性炭纤维滤网位于针网放电组件后方，所述针网放电 组件采用单针作为脉冲电源的电极，网状电极接地，实现针尖电晕放电，所述等离子体二级净化模块与排气塔相连，排放处理后的气体。
更进一步的，所述净化装置还包括主控模块，所述主控模块与机械除尘模块、废气洗涤模块、等离子体一级净化模块和等离子体二级净化模块分别相连。
更进一步的，所述主控模块分别与气体检测模块和动力系统模块相连。
更进一步的，所述光解催化板为蜂窝状铝基，表面涂敷纳米光解催化剂。
更进一步的，所述空心圆柱试管结构为陶瓷或石英材料。
更进一步的，所述棒状电极为不锈钢材料。
更进一步的，所述机械除尘模块包括离心分离机、静电吸附组件和机械滤芯过滤网，所述离心分离机、静电吸附组件和机械滤芯过滤网依次相连，所述机械除尘模块下方设置有积尘灰斗。
更进一步的，所述废气洗涤模块包括洗涤塔和气体干燥部件，所述洗涤塔和气体干燥部件相连。
更进一步的，所述排气塔内设置有牵引风机。
本发明还包括一种热处理车间废气等离子体净化方法，它包括以下步骤：
步骤一：热处理过程产生的废气，首先进入机械除尘模块，废气依次通过离心分离机、静电吸附组件和机械滤芯过滤网，去除粒状烟尘和粉尘，分离出的烟尘和粉尘落入积尘灰斗，后续进行清理；
步骤二：进行机械除尘后的废气进入废气洗涤模块，通过洗涤塔对废气中水溶性污染物进行净化分离，之后通过气体干燥部件进行气体干燥；
步骤三：进行废气洗涤后的废气依次进入等离子体一级净化模块和等离子体二级净化模块，进行等离子体放电和光解催化净化，实现油烟和气味的净化；
步骤四：经过等离子体净化后的气体在牵引风机的作用下，在气体检测模块的采集和监测下，经过排气塔进行排放。
与现有技术相比，本发明的有益效果是：本发明解决了现有热处理车间废气处理存在效果不高、废气选择性差、工艺条件不符合行业特点的问题。
本发明可根据热处理加工实际情况，在净化模块选择的基础上，可对各类烟尘、粉尘、油烟、碳氢化合物和其它有害气体等实现高效净化。本发明绿色环保，装置结构合理紧凑、维护安装方便、性能稳定、净化效果好、净化效率高，具有很强的针对性和实用性，克服了现在净化装置适用范围小、投资高、净化不充分等不足。
附图说明
图1为本发明所述的一种热处理车间废气等离子体净化装置结构示意图。
1-机械除尘模块，2-废气洗涤模块，3-等离子体一级净化模块，4-等离子体二级净化模块，5-主控模块，6-离心分离机，7-静电吸附组件，8-机械滤芯过滤网，9-积尘灰斗，10-洗涤塔，11-气体干燥部件，12-第一气体分布板，13-介质阻挡放电组件，14-光解催化板，15-第二气体分布板，16-针网放电组件，17-活性炭纤维滤网，18-牵引风机，19-排气塔，20-气体检测模块，21-动力系统模块。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地阐述。
参见图1说明本实施方式，一种热处理车间废气等离子体净化装置，它包括横向依次串联排列的机械除尘模块1、废气洗涤模块2、等离子体一级净化模块3和等离子体二级净化模块4，所述机械除尘模块1对废气中的颗粒状烟尘和粉尘进行机械式除尘分离，所述废气洗涤模块2对废气中的水溶性污染物进行净化分离，所述等离子体一级净化模块3包括第一气体分布板12、介质阻挡放电组件13和光解催化板14，所述第一气体分布板12位于介质阻挡放电组件13前方，所述介质阻挡放电组件13数量为多个，相邻介质阻挡放电组件13之间放置光解催化板14，所述介质阻挡放电组件13包括空心圆柱试管结构和棒状电极，所述空心圆柱试管结构为介质阻挡层，所述棒状电极固定在空心圆柱试管结构的中心形成单电极，所述单电极的数量为多个，多个单电极采用阵列结构排列，两个单电极组成一个对电极，两列以上的对电极组成介质阻挡放电组件13，所述单电极采用并联的方式与电源相连，所述等离子体二级净化模块4包括第二气体分布板15、针网放电组件16和活性炭纤维滤网17，所述第二气体分布板15位于针网放电组件16前方，所述活性炭纤维滤网17位于针网放电组件16后方，所述针网放电组件16采用单针作为脉冲电源的电极，网状电极接地，实现针尖电晕放电，所述等离子体二级净化模块4与排气塔19相连，排放处理后的气体。
本实施例可根据热处理工艺实际情况进行整体安装或模块选装，装置整体结构上，各模块采用横向串联排列，机械除尘模块1包括离心分离机6、静电吸附组件7和机械滤芯过滤网8，离心分离机6、静电吸附组件7和机械滤芯过滤网8依次相连，可以将废气内的颗粒状烟尘、粉尘等进行机械式除尘分离，机械除尘模块1下方设置有积尘灰斗9，可进行定期清理。废气洗涤模块2包括洗涤塔10和气体干燥部件11，洗涤塔10和气体干 燥部件11相连，可对废气中水溶性污染物进行净化分离，之后进行气体干燥。第一气体分布板12和第二气体分布板15的作用在于可对气体进行均匀排布，利于后续进行的等离子体净化，空心圆柱试管结构为陶瓷或石英材料，棒状电极为不锈钢材料，介质阻挡放电采用高频高压电源，电源采用并联方式与单电极相连接，光解催化板14为蜂窝状铝基，表面涂敷纳米光解催化剂，等离子体一级净化模块3主要用于油烟等气体的净化。针网放电组件16采用单针作为高压脉冲电源的电极，网状电极接地，实现针尖电晕放电，后置活性炭纤维滤网17主要利用活性碳纤维进行最后的吸附过滤，等离子体二级净化模块4主要实现气味等净化。净化装置还包括主控模块5，主控模块5与机械除尘模块1、废气洗涤模块2、等离子体一级净化模块3和等离子体二级净化模块4分别相连，主控模块5分别与气体检测模块20和动力系统模块21相连，排气塔19内设置有牵引风机18，在动力系统模块21的作用下经过等离子体二级净化模块4的气体在牵引风机18的作用下，经过排气塔19进行排放，通过气体检测模块20可对各过程气体的成分和气压进行实时采集分析，全过程监测各模块的工作状态和指导工艺过程。
本发明还包括一种热处理车间废气等离子体净化方法，它包括以下步骤：
步骤一：热处理过程产生的废气，首先进入机械除尘模块1，废气依次通过离心分离机6、静电吸附组件7和机械滤芯过滤网8，去除粒状烟尘和粉尘，分离出的烟尘和粉尘落入积尘灰斗，后续进行清理；
步骤二：进行机械除尘后的废气进入废气洗涤模块2，通过洗涤塔10对废气中水溶性污染物进行净化分离，之后通过气体干燥部件11进行气体干燥；
步骤三：进行废气洗涤后的废气依次进入等离子体一级净化模块3和等离子体二级净化模块4，进行等离子体放电和光解催化净化，实现油烟和气味的净化；
步骤四：经过等离子体净化后的气体在牵引风机18的作用下，在气体检测模块20的采集和监测下，经过排气塔19进行排放。
以上对本发明所提供的一种热处理车间废气等离子体净化装置及净化方法，进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (10)

  1. 一种热处理车间废气等离子体净化装置，其特征在于：它包括横向依次串联排列的机械除尘模块(1)、废气洗涤模块(2)、等离子体一级净化模块(3)和等离子体二级净化模块(4)，所述机械除尘模块(1)对废气中的颗粒状烟尘和粉尘进行机械式除尘分离，所述废气洗涤模块(2)对废气中的水溶性污染物进行净化分离，所述等离子体一级净化模块(3)包括第一气体分布板(12)、介质阻挡放电组件(13)和光解催化板(14)，所述第一气体分布板(12)位于介质阻挡放电组件(13)前方，所述介质阻挡放电组件(13)数量为多个，相邻介质阻挡放电组件(13)之间放置光解催化板(14)，所述介质阻挡放电组件(13)包括空心圆柱试管结构和棒状电极，所述空心圆柱试管结构为介质阻挡层，所述棒状电极固定在空心圆柱试管结构的中心形成单电极，所述单电极的数量为多个，多个单电极采用阵列结构排列，两个单电极组成一个对电极，两列以上的对电极组成介质阻挡放电组件(13)，所述单电极采用并联的方式与电源相连，所述等离子体二级净化模块(4)包括第二气体分布板(15)、针网放电组件(16)和活性炭纤维滤网(17)，所述第二气体分布板(15)位于针网放电组件(16)前方，所述活性炭纤维滤网(17)位于针网放电组件(16)后方，所述针网放电组件(16)采用单针作为脉冲电源的电极，网状电极接地，实现针尖电晕放电，所述等离子体二级净化模块(4)与排气塔(19)相连，排放处理后的气体。
  2. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述净化装置还包括主控模块(5)，所述主控模块(5)与机械除尘模块(1)、废气洗涤模块(2)、等离子体一级净化模块(3)和等离子体二级净化模块(4)分别相连。
  3. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述主控模块(5)分别与气体检测模块(20)和动力系统模块(21)相连。
  4. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述光解催化板(14)为蜂窝状铝基，表面涂敷纳米光解催化剂。
  5. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述空心圆柱试管结构为陶瓷或石英材料。
  6. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述棒状电极为不锈钢材料。
  7. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述机械除尘模块(1)包括离心分离机(6)、静电吸附组件(7)和机械滤芯过滤网(8)，所述离心分离机(6)、静电吸附组件(7)和机械滤芯过滤网(8)依次相连，所述机械除尘 模块(1)下方设置有积尘灰斗(9)。
  8. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述废气洗涤模块(2)包括洗涤塔(10)和气体干燥部件(11)，所述洗涤塔(10)和气体干燥部件(11)相连。
  9. 根据权利要求1所述的一种热处理车间废气等离子体净化装置，其特征在于：所述排气塔(19)内设置有牵引风机(18)。
  10. 一种如权利要求1所述的热处理车间废气等离子体净化装置的净化方法，其特征在于：它包括以下步骤：
    步骤一：热处理过程产生的废气，首先进入机械除尘模块(1)，废气依次通过离心分离机(6)、静电吸附组件(7)和机械滤芯过滤网(8)，去除粒状烟尘和粉尘，分离出的烟尘和粉尘落入积尘灰斗，后续进行清理；
    步骤二：进行机械除尘后的废气进入废气洗涤模块(2)，通过洗涤塔(10)对废气中水溶性污染物进行净化分离，之后通过气体干燥部件(11)进行气体干燥；
    步骤三：进行废气洗涤后的废气依次进入等离子体一级净化模块(3)和等离子体二级净化模块(4)，进行等离子体放电和光解催化净化，实现油烟和气味的净化；
    步骤四：经过等离子体净化后的气体在牵引风机(18)的作用下，在气体检测模块(20)的采集和监测下，经过排气塔(19)进行排放。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114025460A (zh) * 2021-10-25 2022-02-08 广州大学 一种等离子体射流装置
CN116966731A (zh) * 2023-09-22 2023-10-31 离享未来(德州)等离子科技有限公司 一种低温等离子井下瓦斯处理装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101716451A (zh) * 2009-12-29 2010-06-02 北京航空航天大学 放电等离子体与吸收相结合脱除烟气中多种污染物的方法
WO2014055922A1 (en) * 2012-10-04 2014-04-10 Fipak Research And Development Company Method and apparatus for purging unwanted substances from air
CN104492231A (zh) * 2014-12-15 2015-04-08 山东派力迪环保工程有限公司 组合式等离子设备
CN205055775U (zh) * 2015-10-15 2016-03-02 山东昊威环保科技有限公司 低温等离子除味设备
US20170007958A1 (en) * 2015-07-10 2017-01-12 Kabushiki Kaisha Toshiba Gas Processing Apparatus
CN107051198A (zh) * 2017-03-21 2017-08-18 复旦大学 阵列式等离子体‑催化剂协同作用的废气处理装置
CN108786394A (zh) * 2018-06-20 2018-11-13 中钢集团马鞍山矿山研究院有限公司 介质阻挡低温等离子体光催化一体式有机废气净化装置
CN110772981A (zh) * 2019-09-30 2020-02-11 广州紫科环保科技股份有限公司 橡胶轮胎废气净化系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101716451A (zh) * 2009-12-29 2010-06-02 北京航空航天大学 放电等离子体与吸收相结合脱除烟气中多种污染物的方法
WO2014055922A1 (en) * 2012-10-04 2014-04-10 Fipak Research And Development Company Method and apparatus for purging unwanted substances from air
CN104492231A (zh) * 2014-12-15 2015-04-08 山东派力迪环保工程有限公司 组合式等离子设备
US20170007958A1 (en) * 2015-07-10 2017-01-12 Kabushiki Kaisha Toshiba Gas Processing Apparatus
CN205055775U (zh) * 2015-10-15 2016-03-02 山东昊威环保科技有限公司 低温等离子除味设备
CN107051198A (zh) * 2017-03-21 2017-08-18 复旦大学 阵列式等离子体‑催化剂协同作用的废气处理装置
CN108786394A (zh) * 2018-06-20 2018-11-13 中钢集团马鞍山矿山研究院有限公司 介质阻挡低温等离子体光催化一体式有机废气净化装置
CN110772981A (zh) * 2019-09-30 2020-02-11 广州紫科环保科技股份有限公司 橡胶轮胎废气净化系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114025460A (zh) * 2021-10-25 2022-02-08 广州大学 一种等离子体射流装置
CN116966731A (zh) * 2023-09-22 2023-10-31 离享未来(德州)等离子科技有限公司 一种低温等离子井下瓦斯处理装置
CN116966731B (zh) * 2023-09-22 2024-01-02 离享未来(德州)等离子科技有限公司 一种低温等离子井下瓦斯处理装置

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