CN211601596U - A high temperature dust removal system for brown corundum high temperature smelting furnace - Google Patents
A high temperature dust removal system for brown corundum high temperature smelting furnace Download PDFInfo
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- CN211601596U CN211601596U CN201922388097.9U CN201922388097U CN211601596U CN 211601596 U CN211601596 U CN 211601596U CN 201922388097 U CN201922388097 U CN 201922388097U CN 211601596 U CN211601596 U CN 211601596U
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- 239000000428 dust Substances 0.000 title claims abstract description 63
- 238000003723 Smelting Methods 0.000 title claims abstract description 37
- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 16
- 239000010431 corundum Substances 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003546 flue gas Substances 0.000 claims abstract description 41
- 238000007664 blowing Methods 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 78
- 238000010586 diagram Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
Description
技术领域technical field
本实用新型涉及高温含尘烟气除尘技术领域,尤其涉及一种棕刚玉高温冶炼炉高温除尘系统。The utility model relates to the technical field of high-temperature dust-laden flue gas dedusting, in particular to a high-temperature dedusting system for a brown corundum high-temperature smelting furnace.
背景技术Background technique
过滤除尘式工业除尘的主要方法之一,现在市场上可见的只能解决冶炼过程烟气,不能进行全过程烟气收集,大部分采用的是布袋除尘器,制造成本高,占地面积大。One of the main methods of filtering and dust-removing industrial dust removal is currently available on the market, which can only solve the flue gas in the smelting process, and cannot collect the flue gas in the whole process.
实用新型内容Utility model content
(一)实用新型目的(1) Purpose of utility model
为解决背景技术中存在的技术问题,本实用新型提出一种棕刚玉高温冶炼炉高温除尘系统,具有过滤面积大,适用烟气温度高,且操作、维修方便,不仅能解决冶炼过程烟气净化还能实现倒包过程烟气净化,实现烟气超低排放,且整个过程智能化控制。In order to solve the technical problems existing in the background technology, the utility model proposes a high-temperature dust removal system for a brown corundum high-temperature smelting furnace, which has the advantages of large filtering area, high applicable flue gas temperature, convenient operation and maintenance, and can not only solve the problem of flue gas purification in the smelting process It can also realize the purification of flue gas in the process of dumping, realize ultra-low emission of flue gas, and intelligently control the whole process.
(二)技术方案(2) Technical solutions
本实用新型提出了一种棕刚玉高温冶炼炉高温除尘系统,包括倒包烟气收集罩、冶炼炉烟气收集罩、管道、机力降温装置、滤筒除尘器、第一风管、第二风管、引风机、烟囱和PLC控制系统;The utility model proposes a high-temperature dust removal system for a brown corundum high-temperature smelting furnace, which comprises an inverted bag flue gas collection hood, a smelting furnace flue gas collection hood, a pipeline, a mechanical cooling device, a filter cartridge dust collector, a first air duct, a second air duct and a second air duct. Air duct, induced draft fan, chimney and PLC control system;
倒包烟气收集罩和冶炼炉烟气收集罩与管道进气端连接,管道上设有通风蝶阀,通风蝶阀位于倒包烟气收集罩上方;管道出气端与机力降温装置连接;机力降温装置通过第一风管与滤筒除尘器连接;滤筒除尘器出气端通过第二风管与引风机进气端连接;引风机出气端与烟囱连接;The inverted bag fume collection hood and the smelting furnace flue gas collection hood are connected to the inlet end of the pipeline, and the pipeline is provided with a ventilation butterfly valve, which is located above the inverted bag fume collection hood; the outlet end of the pipeline is connected to the mechanical cooling device; The cooling device is connected to the filter cartridge dust collector through the first air duct; the air outlet end of the filter cartridge dust collector is connected to the intake end of the induced draft fan through the second air duct; the air outlet end of the induced draft fan is connected to the chimney;
机力降温装置包括不锈钢管和第一隔板;多列不锈钢管并排设置在机力降温装置内;第一隔板位于机力降温装置内,机力降温装置内形成位于第一隔板上方的烟气仓和位于第一隔板下方的冷却仓;机力降温装置下部设置储灰斗;储灰斗底部设置卸灰阀;The mechanical cooling device includes a stainless steel tube and a first partition; multiple rows of stainless steel tubes are arranged side by side in the mechanical cooling device; the first partition is located in the mechanical cooling device, and a mechanical cooling device is formed above the first partition. The flue gas silo and the cooling silo located under the first partition; the lower part of the mechanical cooling device is provided with an ash storage hopper; the bottom of the ash storage hopper is provided with an ash discharge valve;
滤筒除尘器包括多个以并联方式设置的除尘器单元,除尘器单元包括第二隔板、滤筒、花板、速降风道和喷吹管;第二隔板设置在滤筒除尘器内;滤筒除尘器内形成位于第二隔板上方的净气室和位于第二隔板下方的过滤室;滤筒位于过滤室内,滤筒底部封闭,滤筒上部与花板连接,滤筒通过花板开设的孔与净气室连通;速降风道位于过滤室底部;过滤室通过速降风道与第一风管连通,净气室侧壁上方设置出风口,净气室上方设有喷吹装置;出风口上设置有出风口蝶阀;喷吹装置通过喷吹管与净气室连接;滤筒除尘器底部设置集尘室;集尘室底部设置有出灰口;The filter cartridge dust collector includes a plurality of dust collector units arranged in parallel, and the dust collector unit includes a second partition plate, a filter cartridge, a pattern plate, a rapid drop air duct and a spray pipe; the second partition plate is arranged in the filter cartridge dust collector. The filter cartridge dust collector forms a clean air chamber located above the second partition plate and a filter chamber located below the second partition plate; the filter cartridge is located in the filter chamber, the bottom of the filter cartridge is closed, the upper part of the filter cartridge is connected to the flower plate, and the filter cartridge passes through The holes opened in the flower plate are communicated with the clean air chamber; the fast drop air duct is located at the bottom of the filter chamber; the filter chamber is communicated with the first air duct through the fast drop air duct, an air outlet is arranged above the side wall of the clean air chamber, and an A blowing device; an air outlet butterfly valve is arranged on the air outlet; the blowing device is connected to the clean air chamber through a blowing pipe; a dust collecting chamber is arranged at the bottom of the filter cartridge dust collector; and an ash outlet is arranged at the bottom of the dust collecting chamber;
PLC控制系统与冷风阀、引风机、出风口蝶阀、通风蝶阀、喷吹装置、卸灰阀均控制连接。The PLC control system is controlled and connected to the cold air valve, induced draft fan, air outlet butterfly valve, ventilation butterfly valve, blowing device and ash discharge valve.
优选的,不锈钢管外部设置有高压轴流风机。Preferably, a high-pressure axial flow fan is provided outside the stainless steel tube.
优选的,第一风管上设置有冷风管,冷风管上设置有冷风阀。Preferably, a cold air duct is provided on the first air duct, and a cold air valve is provided on the cold air duct.
优选的,引风机设置两组,冶炼炉工作的时候开启一组引风机,冶炼完成倒包的时候开启两组引风机。Preferably, two sets of induced draft fans are provided, one set of induced draft fans is turned on when the smelting furnace is working, and two sets of induced draft fans are turned on when the smelting is completed and the bales are poured.
本实用新型的上述技术方案具有如下有益的技术效果:当棕刚玉冶炼炉工作的时候高温含尘气流经冶炼炉烟气收集罩收集并由管道进入机力降温装置进行降温,当冶炼炉冶炼结束倒包的时候产生的高温烟气由倒包烟气收集罩收集并由管道进入机力降温装置进行降温。当烟气进入滤筒除尘器的降速风道后,气流被减速,并被均匀分布进入各个除尘单元的过滤室,此时较粗颗粒的粉尘脱离气流沉降到过滤室,而粒度较小的粉尘则随气流透过滤筒时被阻隔在滤筒的外表面,净化后的气体进入净气室后经由出风口排出;为清除滤筒表面的积聚粉尘,可通过PLC控制系统发出指令关闭出风口碟阀,同时开启喷吹装置,使压缩空气经由喷吹管高速喷出,同时带动数倍于喷射气量的周围空气进入滤筒空腔内,形成由内向外的高速气流,使积聚在滤筒外部的粉尘被高速气流吹落并沉降到过滤室内,最后通过出灰口放出。整个过程由PLC控制系统按照编排好的程序依次进行。The above-mentioned technical scheme of the present utility model has the following beneficial technical effects: when the brown corundum smelting furnace is working, the high-temperature dust-laden air flow is collected by the smelting furnace flue gas collecting hood and enters the mechanical cooling device through the pipeline for cooling, and when the smelting furnace smelting ends The high-temperature flue gas generated when the bag is poured is collected by the bag-inverting flue gas collection hood and enters the mechanical cooling device through the pipeline for cooling. When the flue gas enters the decelerating air duct of the filter cartridge dust collector, the air flow is decelerated and evenly distributed into the filter chambers of each dust removal unit. The dust is blocked on the outer surface of the filter cartridge when passing through the filter cartridge with the airflow, and the purified gas enters the clean air chamber and is discharged through the air outlet; in order to remove the accumulated dust on the surface of the filter cartridge, the PLC control system can issue an instruction to close the air outlet The butterfly valve opens the blowing device at the same time, so that the compressed air is sprayed out at a high speed through the blowing pipe, and at the same time drives the surrounding air several times the amount of the sprayed air into the cavity of the filter cartridge, forming a high-speed airflow from the inside to the outside, which accumulates on the outside of the filter cartridge. The dust is blown down by the high-speed airflow and settles into the filter chamber, and finally released through the ash outlet. The whole process is carried out in turn by the PLC control system according to the programmed program.
附图说明Description of drawings
图1为本实用新型提出的棕刚玉高温冶炼炉高温除尘系统的结构示意图。Fig. 1 is the structural schematic diagram of the high-temperature dust removal system of the brown corundum high-temperature smelting furnace proposed by the utility model.
图2为本实用新型提出的棕刚玉高温冶炼炉高温除尘系统中机力降温装置的结构示意图。2 is a schematic structural diagram of a mechanical cooling device in a high-temperature dust removal system of a brown corundum high-temperature smelting furnace proposed by the utility model.
图3为本实用新型提出的棕刚玉高温冶炼炉高温除尘系统中滤筒除尘器的结构示意图。3 is a schematic structural diagram of a filter cartridge dust collector in a high temperature dust removal system of a brown corundum high temperature smelting furnace proposed by the utility model.
图4为本实用新型提出的棕刚玉高温冶炼炉高温除尘系统中除尘器单元的结构示意图。4 is a schematic structural diagram of a dust collector unit in a high temperature dust removal system of a brown corundum high temperature smelting furnace proposed by the present invention.
附图标记:1、倒包烟气收集罩;11、通风蝶阀;2、冶炼炉烟气收集罩;3、管道;4、机力降温装置;41、不锈钢管;42、第一隔板;43、烟气仓;44、冷却仓;45、高压轴流风机;46、储灰斗;47、卸灰阀;5、冷风管;51、冷风阀;6、滤筒除尘器;61、第二隔板;62、净气室;63、过滤室;64、集尘室;65、出灰口;66、滤筒;67、花板;68、降速风道;69、进风口;610、出风口;611、出风口蝶阀;612、喷吹装置;613、喷吹管;71、第一风管;72、第二风管;8、引风机;9、烟囱;10、PLC控制系统。Reference signs: 1. Inverted bag flue gas collection hood; 11. Ventilation butterfly valve; 2. Smelting furnace flue gas collection hood; 3. Pipeline; 4. Mechanical cooling device; 41. Stainless steel pipe; 42. First partition; 43, flue gas bin; 44, cooling bin; 45, high pressure axial flow fan; 46, ash storage hopper; 47, ash discharge valve; 5, cold air duct; 51, cold air valve; 6, filter cartridge dust collector; 61, No. Second partition; 62, clean air chamber; 63, filter chamber; 64, dust collection chamber; 65, ash outlet; 66, filter cartridge; 67, flower plate; 68, speed reduction air duct; 69, air inlet; 610 , air outlet; 611, air outlet butterfly valve; 612, blowing device; 613, blowing pipe; 71, first air duct; 72, second air duct; 8, induced draft fan; 9, chimney; 10, PLC control system.
具体实施方式Detailed ways
为使本实用新型的目的、技术方案和优点更加清楚明了,下面结合具体实施方式并参照附图,对本实用新型进一步详细说明。应该理解,这些描述只是示例性的,而并非要限制本实用新型的范围。此外,在以下说明中,省略了对公知结构和技术的描述,以避免不必要地混淆本实用新型的概念。In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below in conjunction with the specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.
如图1-4所示,本实用新型提出的一种棕刚玉高温冶炼炉高温除尘系统,包括倒包烟气收集罩1、冶炼炉烟气收集罩2、管道3、机力降温装置4、滤筒除尘器6、第一风管71、第二风管72、引风机8、烟囱9和PLC控制系统10;As shown in Figures 1-4, a high-temperature dust removal system for a brown corundum high-temperature smelting furnace proposed by the present utility model includes an inverted bag flue gas collection hood 1, a smelting furnace flue gas collection hood 2, a pipeline 3, a mechanical cooling device 4, Filter cartridge dust collector 6, first air duct 71,
倒包烟气收集罩1和冶炼炉烟气收集罩2与管道3进气端连接,管道3上设有通风蝶阀11,通风蝶阀11位于倒包烟气收集罩1上方;管道3出气端与机力降温装置4连接;机力降温装置4通过第一风管71与滤筒除尘器6连接;滤筒除尘器6出气端通过第二风管72与引风机8进气端连接;引风机8出气端与烟囱9连接;The upside-down flue gas collection cover 1 and the smelting furnace flue gas collection cover 2 are connected to the inlet end of the pipe 3. The pipe 3 is provided with a ventilation butterfly valve 11, and the ventilation butterfly valve 11 is located above the upside-down flue gas collection cover 1; The mechanical cooling device 4 is connected; the mechanical cooling device 4 is connected with the filter cartridge dust collector 6 through the first air duct 71; the air outlet end of the filter cartridge dust collector 6 is connected with the intake end of the induced draft fan 8 through the
机力降温装置4包括不锈钢管41和第一隔板42;多列不锈钢管41并排设置在机力降温装置4内;第一隔板42位于机力降温装置4内,机力降温装置4内形成位于第一隔板42上方的烟气仓43和位于第一隔板42下方的冷却仓44;机力降温装置4下部设置储灰斗46;储灰斗46底部设置卸灰阀47;The mechanical cooling device 4 includes a
滤筒除尘器6包括多个以并联方式设置的除尘器单元,除尘器单元包括第二隔板61、滤筒66、花板67、降速风道68和喷吹管613;第二隔板61设置在滤筒除尘器6内;滤筒除尘器6内形成位于第二隔板61上方的净气室62和位于第二隔板61下方的过滤室63;滤筒66位于过滤室63内,滤筒66底部封闭,滤筒66上部与花板67连接,滤筒66通过花板67开设的孔与净气室62连通;降速风道68位于过滤室63底部;过滤室63通过降速风道68与第一风管71连通,净气室62侧壁上方设置出风口610,净气室62上方设有喷吹装置612;出风口610上设置有出风口蝶阀611;喷吹装置612通过喷吹管613与净气室62连接;滤筒除尘器6底部设置集尘室64;集尘室64底部设置有出灰口65;The filter cartridge dust collector 6 includes a plurality of dust collector units arranged in parallel. The dust collector unit includes a
PLC控制系统10与冷风阀51、引风机8、出风口蝶阀611、通风蝶阀11、喷吹装置612、卸灰阀47均控制连接。The
本实用新型中,当棕刚玉冶炼炉工作的时候高温含尘气流经冶炼炉烟气收集罩2收集并由管道3进入机力降温装置4进行降温,当冶炼炉冶炼结束倒包的时候产生的高温烟气由倒包烟气收集罩1收集并由管道3进入机力降温装置4进行降温。当烟气进入滤筒除尘器6的降速风道68后,气流被减速,并被均匀分布进入各个除尘单元的过滤室63,此时较粗颗粒的粉尘脱离气流沉降到过滤室63,而粒度较小的粉尘则随气流透过滤筒66时被阻隔在滤筒66的外表面,净化后的气体进入净气室62后经由出风口610排出;为清除滤筒66表面的积聚粉尘,可通过PLC控制系统10发出指令关闭出风口蝶阀611,同时开启喷吹装置,使压缩空气经由喷吹管613高速喷出,同时带动数倍于喷射气量的周围空气进入滤筒66空腔内,形成由内向外的高速气流,使积聚在滤筒66外部的粉尘被高速气流吹落并沉降到过滤室63内,最后通过出灰口65放出。整个过程由PLC控制系统10按照编排好的程序依次进行。In the utility model, when the brown corundum smelting furnace is working, the high temperature dust-laden air flow is collected by the smelting furnace flue gas collection cover 2 and enters the mechanical cooling device 4 through the pipeline 3 for cooling. The high-temperature flue gas is collected by the inverted bag flue gas collection cover 1 and enters the mechanical cooling device 4 through the pipeline 3 for cooling. When the flue gas enters the
在一个可选的实施例中,不锈钢管41外部设置有高压轴流风机45;用于冷却不锈钢管41。In an optional embodiment, a high-pressure
在一个可选的实施例中,第一风管71上设置有冷风管5,冷风管5上设置有冷风阀51;烟气温度波动过大导致进入滤筒除尘器6的烟气温度超温时,PLC控制系统10打开冷风阀51,以此来降低烟气温度。In an optional embodiment, the first air duct 71 is provided with a cold air duct 5, and the cold air duct 5 is provided with a cold air valve 51; the flue gas temperature fluctuating too much causes the temperature of the flue gas entering the filter cartridge dust collector 6 to overheat , the
在一个可选的实施例中,引风机8设置两组,冶炼炉工作的时候开启一组引风机8,冶炼完成倒包的时候开启两组引风机8;提高空气净化范围和净化速度。In an optional embodiment, two sets of induced draft fans 8 are provided, one set of induced draft fans 8 is turned on when the smelting furnace is working, and two sets of induced draft fans 8 are turned on when the smelting is completed and the bales are poured; the air purification range and purification speed are improved.
应当理解的是,本实用新型的上述具体实施方式仅仅用于示例性说明或解释本实用新型的原理,而不构成对本实用新型的限制。因此,在不偏离本实用新型的精神和范围的情况下所做的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。此外,本实用新型所附权利要求旨在涵盖落入所附权利要求范围和边界、或者这种范围和边界的等同形式内的全部变化和修改例。It should be understood that, the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, but not to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.
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