CN201930701U - Online cyclone dust removal device by wet process - Google Patents
Online cyclone dust removal device by wet process Download PDFInfo
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Abstract
一种旋风湿法联机式除尘装置，涉及环保设备技术领域，具体涉及一种旋风湿法联机式除尘装置。它包含多管除尘器(1)、湿法脱硫除尘设备(2)、上水管路(3)、排污管路(4)、引风机(5)、烟囱(6)、渣浆潜水泵(7)、灰渣过滤装置(8)、沉淀器(9)、污水泵(10)/(12)、化浆器(11)、氧化装置(13)、石膏浓缩装置(14)、清水装置(15)、耐碱泵(16)和除污器(17)；它克服传统的单一机制的除尘和脱硫设备所具有的局限性和不足，提高设备的整体技术经济性能，更好地满足环保技术的需要。
A cyclone wet inline dust removal device relates to the field of environmental protection equipment technology, specifically to a cyclone wet inline dust removal device. It includes a multi-tube dust collector (1), a wet desulfurization and dust removal device (2), a water supply pipeline (3), a sewage discharge pipeline (4), an induced draft fan (5), a chimney (6), a slurry submersible pump (7), an ash filtration device (8), a sedimentation tank (9), a sewage pump (10)/(12), a slurry slurry generator (11), an oxidation device (13), a gypsum concentration device (14), a clean water device (15), an alkali-resistant pump (16), and a dirt separator (17). It overcomes the limitations and deficiencies of traditional single-mechanism dust removal and desulfurization equipment, improves the overall technical and economic performance of the equipment, and better meets the needs of environmental protection technology.
Description
技术领域：Technical field:
本实用新型涉及环保设备技术领域，具体涉及一种旋风湿法联机式除尘装置。The utility model relates to the technical field of environmental protection equipment, in particular to a cyclone wet online dust removal device.
背景技术：Background technique:
多管旋风除尘技术和湿法脱硫除尘技术是两项重要的防治和控制大气污染的环保技术，多管旋风除尘器和湿法脱硫除尘设备是两种常用的废气治理设备。现已广泛应用于各个工业领域的含尘废气治理、气固分离、气液吸收分离、粉状物料回收等。Multi-tube cyclone dust removal technology and wet desulfurization and dust removal technology are two important environmental protection technologies for the prevention and control of air pollution. Multi-tube cyclone dust collector and wet desulfurization and dust removal equipment are two commonly used waste gas treatment equipment. It has been widely used in dusty waste gas treatment, gas-solid separation, gas-liquid absorption separation, powder material recovery, etc. in various industrial fields.
多管旋风除尘器是利用含尘气流作旋转运动产生离心力作用使气体中固体粉尘分离的装置。典型的多管旋风除尘器主要由旋风筒(旋风子)、下灰斗和蜗壳(或上风帽)等组成。其基本工作原理是：含尘气体由入口处沿切线方向进入除尘器，通过气流分布器均匀进入各个旋风筒，然后气流在旋风筒内沿外壁由上而下作旋转运动，形成外旋涡，达到筒底部后，转而沿轴心向上旋转，形成内旋涡。内外旋涡旋转方向相同，气流中的尘粒在离心力的作用下被甩向简壁，由于重力和气流的带动作用，尘粒沿简壁旋转下落至底部灰斗，最后经锁气器定时将捕获的灰尘通过排灰管输送到灰库储藏待用，避免灰尘的二次飞扬。净化后的气体由排出管蜗壳(或上风帽)排放，从而使粉尘粒子与气流分离，达到去除大部分粉尘粒子的目的。The multi-tube cyclone dust collector is a device that uses the rotating motion of the dust-laden airflow to generate centrifugal force to separate the solid dust in the gas. A typical multi-tube cyclone dust collector is mainly composed of a cyclone tube (cyclone), a lower ash hopper and a volute (or upper wind cap). Its basic working principle is: the dust-laden gas enters the dust collector along the tangential direction from the entrance, and enters each cyclone evenly through the air distributor, and then the airflow rotates from top to bottom along the outer wall in the cyclone to form an outer vortex, reaching After reaching the bottom of the cylinder, it turns to rotate upward along the axis to form an inner vortex. The inner and outer vortexes rotate in the same direction, and the dust particles in the airflow are thrown to the wall under the action of centrifugal force. Due to the driving effect of gravity and airflow, the dust particles rotate along the wall and fall to the bottom ash hopper, and finally are captured by the air lock at regular intervals. The dust is transported to the ash store through the ash discharge pipe for storage to avoid secondary flying of dust. The purified gas is discharged from the volute (or upper wind cap) of the discharge pipe, so that the dust particles are separated from the air flow, and most of the dust particles are removed.
湿法脱硫除尘设备是利用碱性液体与含尘气体在文丘里管内运动所产生紊流效应，气液相互接触，通过惯性碰撞及混合凝聚实现捕集粉尘粒子和反应吸收SO2及利用离心力实现气液分离脱水的装置。典型的湿法脱硫除尘设备主要由文丘里管、喷淋装置、捕滴分离器、旋流装置、溢流装置、供水系统、脱水装置及出烟管等组成。其基本工作原理是：含尘气体进入湿法脱硫除尘设备，当气流高速通过文丘里管时，其烟气遇到含[Ca(OH)2碱性水]的雾化液体，产生气、液、固的相互碰撞接触并充分混合。小液滴捕集小尘粒凝聚成大颗粒，形成灰水滴。通过混合的烟气流沿蜗线方向被甩至旋流装置及多级混合分离器内，沿旋流板在离心筒柱之间螺旋上升。此时，从溢流装置中形成的水膜体从分离器内壁沿隙线下降，混合烟气流与水膜体形成对流，尘粒与污水滴在惯性力、重力和离心力的作用下向外测分离，遇到水膜随流向将灰水滴抛入旋流板夹隙被截流捕集，一起沉降至水封排出。从而达到气液分离和进一步除尘的目的。在上述过程中，同时伴随着碱液吸收SO2的反应过程。净化后的烟气经引风机引至烟囱排出，其含沉渣污水经水循环系统处理后循环使用。Wet desulfurization and dust removal equipment utilizes the turbulence effect produced by the movement of alkaline liquid and dust-laden gas in the Venturi tube, the gas and liquid contact each other, capture dust particles and react and absorb SO 2 through inertial collision and mixing and agglomeration, and use centrifugal force to achieve A device for gas-liquid separation and dehydration. A typical wet desulfurization and dust removal equipment is mainly composed of a venturi tube, a spray device, a droplet separator, a cyclone device, an overflow device, a water supply system, a dehydration device and a smoke outlet pipe. Its basic working principle is: the dust-laden gas enters the wet desulfurization and dust removal equipment. When the airflow passes through the Venturi tube at high speed, the flue gas encounters the atomized liquid containing [Ca(OH) 2 alkaline water], generating gas and liquid. , solid collision contact with each other and fully mixed. Small droplets trap small dust particles and agglomerate into large particles, forming gray water droplets. The mixed flue gas flow is thrown into the cyclone device and the multi-stage mixing separator along the spiral direction, and spirally rises between the centrifugal columns along the swirl plate. At this time, the water film formed from the overflow device descends from the inner wall of the separator along the gap line, the mixed flue gas flow and the water film form convection, and the dust particles and sewage droplets flow outward under the action of inertial force, gravity and centrifugal force. When encountering the water film and following the flow direction, the gray water droplets are thrown into the gap of the swirl plate to be intercepted and captured, and they settle together to the water seal to be discharged. So as to achieve the purpose of gas-liquid separation and further dust removal. In the above-mentioned process, it is accompanied by the reaction process that the lye absorbs SO 2 at the same time. The purified flue gas is led to the chimney by the induced draft fan and discharged, and the sewage containing sediment is treated by the water circulation system and then recycled.
多管旋风除尘器和湿法脱硫除尘设备虽然是目前国内应用较多的除尘和脱硫设备，且各自都有多种结构形式和显著的优点。如多管旋风除尘器就具有能处理高含尘、大流量的气体和具有腐蚀性的高温气体；设备结构简单，造价低，使用寿命长；运行管理方便，适应性强；可干法清灰，回收有用粉尘；气流分布均匀，不串流，无二次扬尘等一系列优点。本系统所用湿法脱硫除尘设备则更是获得三项国家发明专利的产品，其不仅具有一般湿法脱硫除尘器可以处理浓度高、湿度大、高比阻、带粘性或有毒有害的粉尘及废气，同时脱硫除尘效率高、设备造价低、使用寿命长等优点外，更主要的是本系统在设备取材、结构设计和水闭路循环处理原理上具有能保证设备耐腐蚀、系统不结垢不堵塞、引风机不带水不积灰、没有废水排放，脱硫除尘产物高效处理回收形成产业化、无二次污染的突出特点。但是，作为单一机制的除尘和脱硫设备，无论是多管旋风除尘器还是湿法脱硫除尘设备，其本身都具有不可克服的局限性和不足。如多管旋风除尘器不适宜净化带粘性或纤维性含尘气体，对粉尘粒径过细的烟气除尘效率不高等。又如湿法脱硫除尘设备系统阻力大、设备能耗高，不适宜直接净化含有憎水性和水硬性粉尘烟气等。随着工业废气的种类和初始量日益增加，粉尘排放量控制进一步严格的情况下，单一机制的除尘和脱硫设备已难满足现行法规的要求。Although multi-tube cyclone dust collector and wet desulfurization and dust removal equipment are currently widely used dust removal and desulfurization equipment in China, each has a variety of structural forms and significant advantages. For example, the multi-tube cyclone dust collector can handle high-dust, large-flow gas and corrosive high-temperature gas; the equipment structure is simple, the cost is low, and the service life is long; the operation and management are convenient and adaptable; it can be cleaned by dry method , Recovery of useful dust; uniform air distribution, no cross-flow, no secondary dust and a series of advantages. The wet desulfurization and dust removal equipment used in this system is a product that has obtained three national invention patents. It not only has the general wet desulfurization dust collector, but also can handle high concentration, high humidity, high specific resistance, viscous or toxic and harmful dust and waste gas. At the same time, in addition to the advantages of high desulfurization and dust removal efficiency, low equipment cost, and long service life, the more important thing is that this system has the advantages of equipment material selection, structural design and water closed circuit treatment principle, which can ensure equipment corrosion resistance, and the system will not be scaled or blocked. , The induced draft fan has no water, no dust, no waste water discharge, and the efficient treatment and recycling of desulfurization and dust removal products form the outstanding characteristics of industrialization and no secondary pollution. However, as a single-mechanism dust removal and desulfurization equipment, whether it is a multi-cyclone dust collector or a wet desulfurization dust removal equipment, it has insurmountable limitations and deficiencies. For example, the multi-tube cyclone dust collector is not suitable for purifying viscous or fibrous dust-laden gas, and the efficiency of dust removal for flue gas with too fine dust particle size is not high. Another example is the wet desulfurization and dust removal equipment, which has large system resistance and high energy consumption, and is not suitable for directly purifying flue gas containing hydrophobic and hydraulic dust. With the increasing types and initial volume of industrial waste gas and stricter dust emission control, it is difficult for a single mechanism of dust removal and desulfurization equipment to meet the requirements of current regulations.
实用新型内容：Utility model content:
本实用新型的目的是提供一种旋风湿法联机式除尘装置，它利用多种机制的联合作用，以便于克服传统的单一机制的除尘和脱硫设备所具有的局限性和不足，提高设备的整体技术经济性能，更好地满足环保技术的需要。The purpose of this utility model is to provide a cyclone wet on-line dedusting device, which utilizes the joint action of various mechanisms to overcome the limitations and deficiencies of the traditional single-mechanism dedusting and desulfurization equipment, and improve the overall performance of the equipment. Technical and economic performance, to better meet the needs of environmental protection technology.
为了解决背景技术所存在的问题，本实用新型是采用以下技术方案：它包含多管除尘器1、湿法脱硫除尘设备2、上水管路3、排污管路4、引风机5、烟囱6、渣浆潜水泵7、灰渣过滤装置8、沉淀器9、污水泵10/12、化浆器11、氧化装置13、石膏浓缩装置14、清水装置15、耐碱泵16和除污器17；多管除尘器1与湿法脱硫除尘设备2连接，湿法脱硫除尘设备2上方设置有上水管路3，湿法脱硫除尘设备2通过引风机5与烟囱6连接，湿法脱硫除尘设备2底部设置有排污管路4，排污管路4与沉淀器9连接，沉淀器9上方设置有渣浆潜水泵7、灰渣过滤装置8、污水泵10/12和化浆器11，渣浆潜水泵7连接在沉淀器9与灰渣过滤装置8之间，污水泵10连接在沉淀器9与化浆器11之间，污水泵12连接在沉淀器9和氧化装置13之间，氧化装置13与石膏浓缩装置14连接，石膏浓缩装置14下方设置有清水装置15，清水装置15通过耐碱泵16和除污器17与上水管路3连接。In order to solve the existing problems in the background technology, the utility model adopts the following technical solutions: it includes a multi-pipe dust collector 1, wet desulfurization and dust removal equipment 2, water supply pipeline 3, sewage pipeline 4, induced draft fan 5, chimney 6, Slurry submersible pump 7, ash filter device 8, precipitator 9, sewage pump 10/12, pulper 11, oxidation device 13, gypsum concentration device 14, water purification device 15, alkali-resistant pump 16 and decontamination device 17; The multi-pipe dust collector 1 is connected to the wet desulfurization and dust removal equipment 2, and the water supply pipeline 3 is arranged above the wet desulfurization and dust removal equipment 2, and the wet desulfurization and dust removal equipment 2 is connected to the chimney 6 through the induced draft fan 5, and the bottom of the wet desulfurization and dust removal equipment 2 A sewage pipeline 4 is provided, and the sewage pipeline 4 is connected to the precipitator 9. Above the precipitator 9, a slurry submersible pump 7, ash filter device 8, sewage pump 10/12, a pulper 11, and a slurry submersible pump are arranged. 7 is connected between the precipitator 9 and the ash filtering device 8, the sewage pump 10 is connected between the precipitator 9 and the pulper 11, the sewage pump 12 is connected between the precipitator 9 and the oxidation device 13, and the oxidation device 13 and The gypsum concentrating device 14 is connected, and a clean water device 15 is arranged below the gypsum concentrating device 14, and the clean water device 15 is connected with the upper water pipeline 3 through an alkali-resistant pump 16 and a decontamination device 17.
本实用新型利用多种机制的联合作用，以便于克服传统的单一机制的除尘和脱硫设备所具有的局限性和不足，提高设备的整体技术经济性能，更好地满足环保技术的需要。The utility model utilizes the joint effect of multiple mechanisms to overcome the limitations and deficiencies of the traditional single-mechanism dust removal and desulfurization equipment, improve the overall technical and economic performance of the equipment, and better meet the needs of environmental protection technology.
附图说明：Description of drawings:
图1是本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
具体实施方式：Detailed ways:
参看图1，本具体实施方式是采用以下技术方案：它包含多管除尘器1、湿法脱硫除尘设备2、上水管路3、排污管路4、引风机5、烟囱6、渣浆潜水泵7、灰渣过滤装置8、沉淀器9、污水泵10/12、化浆器11、氧化装置13、石膏浓缩装置14、清水装置15、耐碱泵16和除污器17；多管除尘器1与湿法脱硫除尘设备2连接，湿法脱硫除尘设备2上方设置有上水管路3，湿法脱硫除尘设备2通过引风机5与烟囱6连接，湿法脱硫除尘设备2底部设置有排污管路4，排污管路4与沉淀器9连接，沉淀器9上方设置有渣浆潜水泵7、灰渣过滤装置8、污水泵10/12和化浆器11，渣浆潜水泵7连接在沉淀器9与灰渣过滤装置8之间，污水泵10连接在沉淀器9与化浆器11之间，污水泵12连接在沉淀器9和氧化装置13之间，氧化装置13与石膏浓缩装置14连接，石膏浓缩装置14下方设置有清水装置15，清水装置15通过耐碱泵16和除污器17与上水管路3连接。Referring to Fig. 1, this specific embodiment adopts the following technical scheme: it includes multi-tube dust collector 1, wet desulfurization and dust removal equipment 2, water supply pipeline 3, sewage pipeline 4, induced draft fan 5, chimney 6, and slurry submersible pump 7. Ash filter device 8, precipitator 9, sewage pump 10/12, pulper 11, oxidation device 13, gypsum concentration device 14, water purification device 15, alkali-resistant pump 16 and decontamination device 17; multi-pipe dust collector 1 is connected to the wet desulfurization and dust removal equipment 2, and the upper part of the wet desulfurization and dust removal equipment 2 is provided with a water supply pipeline 3, and the wet desulfurization and dust removal equipment 2 is connected to the chimney 6 through the induced draft fan 5, and the bottom of the wet desulfurization and dust removal equipment 2 is provided with a sewage pipe Road 4, the sewage pipeline 4 is connected to the precipitator 9, and above the precipitator 9, a slurry submersible pump 7, ash filter device 8, sewage pump 10/12 and pulper 11 are arranged, and the slurry submersible pump 7 is connected to the sedimentation Between the filter 9 and the ash filtering device 8, the sewage pump 10 is connected between the precipitator 9 and the pulper 11, the sewage pump 12 is connected between the precipitator 9 and the oxidation device 13, the oxidation device 13 and the gypsum concentration device 14 Connected, a clean water device 15 is arranged below the gypsum concentration device 14, and the clean water device 15 is connected to the upper water pipeline 3 through an alkali-resistant pump 16 and a decontamination device 17.
工作原理：含尘和SO2的烟气由锅炉(窑炉)出口烟道首先进入多管除尘器1，利用离心力作用清除气体中大部分固体粉尘粒子，灰尘通过气力输送技术输送到灰库储藏待用。经多管旋风分离净化后的烟气然后进入湿法脱硫除尘设备2，与含有Ca(OH)2的碱性水雾发生紊流接触碰撞混合凝聚同时吸收SO2的反应过程，再经气液分离脱水，从而达到进一步除尘和脱硫的目的。其净化处理后的烟气由引风机5送入烟囱6向高空排放。设备排出的含沉渣污水由排污管路4进入灰渣多级沉淀器9，沉渣在池底层采用渣浆潜水泵7外抽至灰渣过滤装置8滤水处理，其滤水回至沉淀器9内，灰渣外运。经过多级沉淀流至沉淀器尾部清水池，其上方设有石灰化浆器11，石灰输送器将石灰输送到化浆器11中，由搅拌器将其与补充水及化浆水(由污水泵10送入)一起化成浆液经流量阀控制回入沉淀器尾部清水池，以确保循环水的PH值符合要求。混合后的碱性液由污水泵12打入氧化装置13，脱硫反应生成的亚硫酸钙沉淀经氧化装置13氧化后生成二水硫酸钙石膏，再经石膏浓缩装置14脱水后生成高浓度高纯度的石膏回收利用。石膏浓缩时所脱出的碱性水进入清水装置15，耐碱泵16将清水装置15中的净化水液经由上水管路3打回系统循环使用。Working principle: The flue gas containing dust and SO2 enters the multi-tube dust collector 1 first from the outlet flue of the boiler (kiln), and uses the centrifugal force to remove most of the solid dust particles in the gas, and the dust is transported to the ash storage by pneumatic conveying technology stand-by. The flue gas separated and purified by the multi-tube cyclone then enters the wet desulfurization and dust removal equipment 2, and has a turbulent contact with the alkaline water mist containing Ca(OH) 2 . Separation and dehydration, so as to achieve the purpose of further dust removal and desulfurization. The flue gas after the purification treatment is sent into the chimney 6 by the induced draft fan 5 and discharged to high altitude. The sediment-containing sewage discharged from the equipment enters the ash-slag multi-stage precipitator 9 through the sewage discharge pipeline 4, and the sediment is pumped out from the bottom of the pool by the slurry submersible pump 7 to the ash-slag filter device 8 for filtration and treatment, and the filtered water is returned to the sedimentation device 9 Inside, the ashes are shipped outside. After multi-stage sedimentation, it flows to the clear water tank at the tail of the settler, and a lime slurryer 11 is arranged above it. The lime conveyor transports the lime to the slurryer 11, and the agitator mixes it with supplementary water and slurry water (from sewage) The pump 10 is sent into) together into a slurry, which is controlled by a flow valve and returned to the clear water tank at the end of the settler to ensure that the pH value of the circulating water meets the requirements. The mixed alkaline liquid is pumped into the oxidation device 13 by the sewage pump 12, and the calcium sulfite precipitate generated by the desulfurization reaction is oxidized by the oxidation device 13 to form calcium sulfate dihydrate gypsum, and then dehydrated by the gypsum concentration device 14 to form high-concentration and high-purity gypsum. gypsum recycling. The alkaline water released when the gypsum is concentrated enters the water purification device 15, and the alkali-resistant pump 16 returns the purified water in the water purification device 15 to the system for recycling through the water supply pipeline 3.
与传统的单一机制的除尘和脱硫设备相比，本具体实施方式采用多种机制的联合作用，实现了多管旋风除尘和湿法脱硫除尘两种优质工艺的有机结合。烟尘及固体物的分离捕集主要是在多管旋风除尘器中进行，SO2的反应吸收主要是在湿法脱硫除尘设备中进行，该设备同时对粉尘进行二次分离捕集。因此这种湿法脱硫除尘系统兼具多管和湿法两者的长处而弥补其不足，具有明显的综合经济技术优越性。Compared with the traditional single-mechanism dust removal and desulfurization equipment, this specific embodiment adopts the combined effect of multiple mechanisms to realize the organic combination of two high-quality processes of multi-tube cyclone dust removal and wet desulfurization and dust removal. The separation and capture of smoke dust and solid matter is mainly carried out in the multi-tube cyclone dust collector, and the reaction and absorption of SO 2 is mainly carried out in the wet desulfurization and dust removal equipment, which simultaneously separates and captures the dust for the second time. Therefore, this kind of wet desulfurization and dust removal system has the advantages of both multi-tube and wet methods to make up for its shortcomings, and has obvious comprehensive economic and technical advantages.
首先，旋风湿法联机式除尘装置通过合理组合多管旋风和湿法两者的除尘效率，实现结构上的优化设计。既确保获得很高的除尘效率，又能降低系统的阻力和设备的能耗，减少设备投资，降低运行成本，同时合理利用场地，从而获得更好的综合技术性能。其次，本系统实现了多管旋风除尘和湿法脱硫及除尘在功能上的优化组合，极大地强化了系统的整体功能，提高了系统的整体适用性。First of all, the cyclone wet on-line dust removal device realizes the optimal design of the structure by reasonably combining the dust removal efficiency of the multi-tube cyclone and the wet method. It not only ensures high dust removal efficiency, but also reduces system resistance and equipment energy consumption, reduces equipment investment, reduces operating costs, and at the same time makes rational use of the site to obtain better comprehensive technical performance. Secondly, this system realizes the optimal combination of multi-tube cyclone dust removal, wet desulfurization and dust removal, which greatly strengthens the overall function of the system and improves the overall applicability of the system.
本具体实施方式与传统技术相比具有下列显著效果：Compared with the conventional technology, this specific embodiment has the following remarkable effects:
既具备多管旋风除尘器能处理高含尘、大流量的气体和具有腐蚀性的高温含尘烟气的优势，又避免了多管旋风除尘器不适宜净化纤维性含尘气体的不足。It not only has the advantages of multi-tube cyclone dust collectors that can handle high-dust, large-flow gas and corrosive high-temperature dust-laden flue gas, but also avoids the disadvantage that multi-tube cyclone dust collectors are not suitable for purifying fibrous dust-containing gases.
既具备多管旋风除尘器除尘效率高的优点，又避免了多管旋风除尘器对粉尘粒径细的烟气除尘效率不高的不足。It not only has the advantage of high dust removal efficiency of multi-tube cyclone dust collector, but also avoids the disadvantage of low dust removal efficiency of multi-tube cyclone dust collector for flue gas with fine dust particle size.
既避免了湿法脱硫除尘设备不适宣直接净化含有憎水性和水硬性粉尘烟气的不足，又具有湿法脱硫除尘设备可以处理浓度高、湿度大、高比阻、带粘性或有毒有害的粉尘及废气的优点。It not only avoids the disadvantage that the wet desulfurization and dust removal equipment is not suitable for directly purifying the flue gas containing hydrophobic and hydraulic dust, but also has the wet desulfurization and dust removal equipment that can deal with high concentration, high humidity, high specific resistance, viscous or toxic and harmful dust And the advantages of exhaust gas.
既避免了湿法脱硫除尘设备能耗较大的不足，又具有湿法脱硫除尘设备在去除含尘气体中粉尘粒子的同时，通过碱性液体的混合洗涤吸收和脱水除雾作用脱除气体中的液体、SO2及有毒有害的气态污染物的优点。It not only avoids the shortage of large energy consumption of wet desulfurization and dust removal equipment, but also has the function of removing dust particles in the dust-containing gas by wet desulfurization and dust removal equipment through the mixed washing and absorption of alkaline liquid and dehydration and defogging. Advantages of liquid, SO 2 and toxic and harmful gaseous pollutants.
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