WO2014079172A1 - Exhaust gas treatment system - Google Patents

Exhaust gas treatment system Download PDF

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Publication number
WO2014079172A1
WO2014079172A1 PCT/CN2013/071235 CN2013071235W WO2014079172A1 WO 2014079172 A1 WO2014079172 A1 WO 2014079172A1 CN 2013071235 W CN2013071235 W CN 2013071235W WO 2014079172 A1 WO2014079172 A1 WO 2014079172A1
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WIPO (PCT)
Prior art keywords
exhaust gas
water
gas treatment
flue gas
treatment system
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PCT/CN2013/071235
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French (fr)
Chinese (zh)
Inventor
许文姬
李国声
李汉声
李振声
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华南再生资源（中山）有限公司
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Publication of WO2014079172A1 publication Critical patent/WO2014079172A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
    • C10L1/026—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only for compression ignition
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Definitions

  • the invention discloses a tail gas centralized processing device suitable for multiple different pressures and different temperatures, and more particularly relates to an exhaust gas treatment system in the process of comprehensive processing of the kitchen waste resource.
  • the science and technology of waste resource utilization after a long period of application, has proved that if the waste recycling technology is applied in a single application, the consequences will bring greater crisis to the human living environment, especially The serious problem of secondary pollution is difficult to control, so the comprehensive treatment of waste has become the current development trend.
  • the composition of kitchen waste is extremely complicated, including sewage, plastic bags, plastic bottles, waste cloth strips, spoilage organic matter, paper, metal bottles, broken glass, broken ceramic sheets, animal fats, vegetable oils, primary bacteria and other substances. .
  • the kitchen waste resource treatment technology has presented a “hundred flowers” situation in the domestic and foreign methods and processes, but basically it is a simple single item treatment, and there is no international environmental treatment that shifts from simple treatment to comprehensive treatment, utilization and disposal.
  • the trend and direction may cause the inevitable attachments in the kitchen waste to be transferred and randomly filled, causing water and soil pollution, or transfer, not only blocking the city's sewer pipes, but also emitting a foul smell and causing serious secondary pollution.
  • the single treatment process of kitchen waste is feasible from the perspective of resource utilization value.
  • people's livability and protection of the atmospheric environment it may still do more harm than good.
  • some tail gas will be generated, including boiler heat source exhaust gas, drying equipment exhaust gas, biochemical equipment warm tail gas, hot dust tail gas produced by feed, etc. These exhaust gases will pollute the environment.
  • the present invention provides a new exhaust gas treatment system, which adopts a preliminary purification device, a water-solid mixer, The twin-tower rotary sprinkler system, cooling tower and flue gas discharge equipment work together to achieve complete treatment of the kitchen waste.
  • an exhaust gas treatment system the system includes a preliminary purification device, a water-solid mixer, a double-tower rotary spray system and a flue gas discharge device
  • the preliminary purification device includes air
  • the buffer and the primary flue gas treatment pipeline the exhaust gas is introduced into the air buffer, is input into the primary flue gas treatment pipeline through the air buffer, is discharged into the water-solid mixer through the primary flue gas treatment pipeline, and the water-solid mixer outlet It is passed into the double-tower rotary sprinkler system, processed into the flue gas discharge equipment after being treated by the double-tower rotary sprinkler system, and then discharged after being treated by the flue gas discharge equipment.
  • the exhaust gas discharged is basically dust-free, odorless and non-exhaustive. The effect of black smoke and room temperature emissions.
  • the air buffer comprises a cylindrical outer casing, and more than one water curtain ejection opening is arranged on the upper side of the outer casing, and a sewage outlet is arranged at the bottom of the outer casing, and more than one exhaust air inlet is opened in the middle of the outer casing.
  • the buffer tank is further provided with a circulating water tank.
  • the circulating water tank has a pipe connecting the sewage outlet at the bottom of the casing, and the other pipe is connected to the upper part of the casing through the water pump and enters the buffer chamber, and the bottom side of the circulating water tank is equipped with a sewage outlet. , connected to the sedimentation tank through a pipe.
  • An on-line level monitor for detecting the liquid level inside the air buffer is also mounted above the air damper.
  • the primary flue gas treatment pipeline is provided with more than one negative ion-charged ceramic, and each negative ion-charged ceramic rear end is correspondingly equipped with a high-speed water mist zone nozzle.
  • a baffle is mounted on the rear end of each of the high-speed water mist nozzles.
  • the deflector adopts a concave obtuse angle deflector.
  • the negative ion-charged ceramic is mounted on the left, right, and upper sides of the primary flue gas treatment pipe.
  • the system also includes a cooling tower that cools the hot water within the heat exchanger in the flue gas exhaust device.
  • the invention has the beneficial effects that: according to the invention content of the announcement authorized by CN101816874A, the invention can adapt to the different pressures, different temperatures, different components of smoke and heat generated in the various processes of the comprehensive processing of the kitchen waste resource. Flue gas, dust, pumping air, etc. are concentrated to ensure that there is no irritating odor emission, no harmful toxic gas emissions, no odorous gas emissions, no micro-particle emissions, no room temperature discharge.
  • the invention can desulfurize the exhaust gas and reduce the carbon dioxide emission, and can also remove the carbon dust particles contained in the exhaust gas, thereby realizing no pollution and almost no white smoke emission, and effectively changing the exhaust gas exhaust process in the past.
  • the weak acid corrosion pipeline produced causes defects in the pipeline to be easily damaged, and the service life of the system is guaranteed.
  • the present invention is also capable of reducing the temperature of the exhaust gas to substantially the same level as the atmosphere, thereby also ensuring the service life of the system.
  • FIG. 1 is a schematic view of an exhaust gas treatment system of the present invention.
  • FIG. 2 is a schematic view showing the structure of an exhaust gas buffer in the present invention.
  • Figure 3 is a schematic view showing the construction of a primary flue gas treatment pipeline of the present invention.
  • Figure 4 is a schematic view of the flue gas exhaust system and its internal structure in the present invention.
  • Figure 5 is a schematic view showing the construction of a primary flue gas treatment pipeline of the present invention.
  • 1-air buffer, 1A air inlet, 2-water seal interface, 3-sewage outlet, 4-water valve, 5-line liquid level monitor, 6-automatic circulation water pump, 7-primary smoke Gas treatment pipeline, 8-negative ion-charged ceramic, 9-high speed water mist nozzle, 10- concave obtuse deflector, 11-gas, water, solid separator, 12-circulating water tank, 13-double tower rotary spray System, 14-rotating high pressure nozzle, 15-water outlet, 16-winding equipment, 17-water, gas mixing pipeline, 18-flue gas discharge equipment, 19-tank, 20-heat exchanger, 21-gas discharge pipeline , 22 - water outlet, 23 - cooling tower, 24 - sediment pool, 25 - carbon slag filter, 26 - water curtain jet.
  • This embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the present embodiment, and are all within the scope of the present invention.
  • the invention is mainly used for centralized treatment of flue gas, hot flue gas, dust, extraction air and the like generated in various processes of the kitchen waste recycling treatment, ensuring that the air discharge port has no irritating odor emission and no harmful toxic gas. Emissions, no odorous gas emissions, no particulate emissions, no room temperature emissions, etc.
  • the present invention includes an exhaust gas buffer device, an air inlet, a primary gas, a water, a solid separator 11, a primary purification pipe 7, a twin-tower rotary sprinkler system 13, a cooling tower 23, and a flue gas discharge.
  • the exhaust gas buffer 1 is further provided with a plurality of air inlets 2, the air buffer chamber is filled with water body, and the top end surface formed by the water body is the water body interface 2A, and the bottom of the air buffer 1 is the outer shell
  • the sewage outlet 3 is provided for sewage discharge, and the sewage outlet 3 is connected to the inside of the circulating water tank 12 through a pipe section, and the circulating water tank is connected with a water circulation pipe 4, which acts on the water body inside the buffer to ensure the interface position of the water body and The water body cools down.
  • an in-line liquid level monitor 5 is also installed in the air buffer 1 for real-time monitoring of the water body interface height inside the air buffer 1.
  • a circulating water tank 12 is arranged outside the exhaust gas buffer 1, and the sewage outlet 3 is connected to the sediment pool 24 through the pipe section.
  • the upper part of the circulating water tank 12 is connected through the pipe section 4, and the water pipe 4A is arranged on the pipe section, and the outlet pipe section of the circulating water tank 12 and the automatic circulation water supply.
  • the pump 6 is connected, and the water outlet of the automatic circulation water pump 6 is connected to the middle portion of the exhaust gas buffer 1 through the pipe 4 for discharging the circulating water through the water curtain shower nozzle 26 in the exhaust gas buffer and discharging into the exhaust gas buffer 1.
  • the upper side of the exhaust gas buffer 1 is provided with a primary flue gas treatment pipe 7.
  • the upper, the left and the right sides of the primary flue gas treatment pipe 7 are misplaced with a plurality of negative ion-charged ceramics 8, which are negative ions.
  • the charged ceramic does not need to be powered to start, and can naturally release negative ions.
  • each negative ion-charged ceramic 8 is equipped with a high-speed water mist nozzle 9 and an obtuse angle deflector 10, and a high-speed water mist nozzle 9 at the back end of the negative ion-charged ceramic 8
  • the multi-layer water curtain is formed as a negative ion high-speed water mist zone, and the obtuse angle baffle acts on the instantaneous airflow trajectory direction of the high-speed flue gas, so that the moving direction of the dense dust particle does not flow along the gas direction.
  • the primary flue gas treatment pipe 7 is inclined, the front end of the primary flue gas treatment pipe 7 is connected to the air buffer 1, and the gas, water and solid separator 11 is connected to the rear end of the primary flue gas treatment pipe 7, gas, Below the water and solids separator 11, a carbon residue filter 25 is provided for filtering the carbon residue in the sediment in the water-solid separator 11.
  • the water-solid mixer 11 is connected to the twin-tower rotary sprinkler system 13 through a water-gas mixing pipe.
  • the twin-tower rotary sprinkler system 13 comprises two vertical processing towers arranged side by side. After the flue gas first enters one of the processing towers, the gas flows from top to bottom into the lower part of the other tower body. After that, the gas is further operated from bottom to top in the lower part of the tower, and at the same time, the rotating high-pressure nozzle 14 installed around the periphery of the double tower sprays water on the gas, and the gas is smoothly cleaned, and the bottom of each tower is provided with a water outlet 15, And the water outlet 15 flows into the water and gas mixing pipe 17, and the heated hot flue gas has been formed into the water and gas mixing pipe 17 by the air introducing device 16 installed outside the tower.
  • the water and gas mixing pipe 17 is installed in a horizontally inclined manner to connect the air guiding device, and the water and gas mixing pipe 17 is slightly higher at one end and slightly lower at the other end, and is connected by the water outlet of the lower portion of the double tower rotary sprinkler system 13.
  • the discharged water body and the hot gas derived from the draft fan directly enter the water and gas mixing pipe 17, and flow to the slightly lower end and enter the flue gas discharge device 18.
  • the flue gas discharge device 18 includes three parts, the lower part is a tank body 19, and the heat exchanger 20 is connected to the top of the tank body 19.
  • the upper part of the heat exchanger is a gas discharge pipe 21, wherein the lower tank 19 is connected to the water outlet of the water and gas mixing pipe 17, and the wet slag discharge port and the water outlet 22 are provided on one side of the lower tank 19. Further, the circulating water in the heat exchanger 20 is supplied from the cooling tower 23, and the cooling tower 23 sucks the water in the sedimentation tank 24 through the pump and conveys it to the heat exchanger 20 through the pipe, and the hot water in the heat exchanger 20 The gas is cooled. When the hot water enters the heat exchanger 20, the steam is cooled and liquefied into a water body to fall into the lower tank 19, and discharged through the water outlet 22, and the dry gas that cannot be liquefied is discharged from the discharge port.
  • the gas discharge temperature is not higher than 38 °C.
  • the main point of the present invention is to add a preliminary purification device to the front end of the exhaust gas treatment system, and its structural design.
  • the application number is 201010168879.2
  • the publication number is CN101816874A.
  • the structure is substantially the same as in the present invention.
  • the invention can centrally treat the flue gas, the hot flue gas, the dust, the exhaust air and the like generated in the various processes of the kitchen waste resource treatment, and ensure that the air discharge port has no irritating odor emission, no harmful toxic gas discharge, no Odorous gas emissions, no particulate matter emissions, no room temperature emissions, etc.
  • the invention can desulfurize the exhaust gas and reduce the carbon dioxide emission, and can also remove the carbon dust particles contained in the exhaust gas, thereby realizing no pollution and almost no white smoke emission, and effectively changing the exhaust gas exhaust process in the past.
  • the weak acid corrosion pipeline produced causes defects in the pipeline to be easily damaged, and the service life of the system is guaranteed.
  • the present invention is also capable of reducing the temperature of the exhaust gas to substantially the same level as the atmosphere, thereby also ensuring the service life of the system.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Drying Of Solid Materials (AREA)
  • Fats And Perfumes (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Treating Waste Gases (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Treatment Of Sludge (AREA)
  • Catalysts (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

An exhaust gas treatment system comprising an exhaust gas buffering apparatus (1), a water-solid separator (11), a twin-tower rotating sprinkler system (13), a flue gas discharge apparatus (18), and a primary flue gas treatment conduit (7). Upon being introduced into an exhaust gas buffer, an exhaust gas is inputted into the primary flue gas treatment conduit (7) via the exhaust gas buffering apparatus (1), discharged into the water-solid separator (11) via the primary flue gas treatment conduit (7), introduced into the twin-tower rotary sprinkler system (13) via an outlet of the water-solid separator (11), inputted into the flue gas discharge apparatus (18) after being treated by the twin-tower rotary sprinkler system (13), and then discharged after being treated by the flue gas discharge apparatus (18). After being treated by the exhaust gas treatment system, the exhaust gas discharged basically achieves the effects of being dustless, odorless, free of black smoke, and discharged at room temperature.

Description

尾气处理系统  Exhaust gas treatment system 技术领域  Technical field
本发明公开一种适用于多股不同压力、不同温度的尾气集中处理装置，更具体涉及餐厨垃圾资源化综合处理过程中的尾气处理系统。 The invention discloses a tail gas centralized processing device suitable for multiple different pressures and different temperatures, and more particularly relates to an exhaust gas treatment system in the process of comprehensive processing of the kitchen waste resource.
背景技术Background technique
废弃物资源化利用的科学技术，经过长时间的应用，已证明了一个道理，就是如果废弃物的资源化处理技术单一应用，其后果将会对人类生存环境带来更大的危机，尤其是产生二次污染的严重问题难以控制，所以废弃物的综合处理已经成为当前发展的趋势。餐厨垃圾的组成极其复杂，其中包含污水、塑料袋、塑料瓶、废布条、腐败性有机物、纸张、金属瓶罐、破碎玻璃、破碎陶瓷片、动物油脂、植物油脂、原生细菌体等物质。目前餐厨垃圾资源化处理技术在国内外的方法和工艺中已呈现“百花齐放”局面，但是基本都是单纯的单项处理，没有走向从单纯的处理转向综合处理、利用与处置的国际性环保处理趋势和方向，可能会造成餐厨垃圾中的必然附着物进行转移及乱填乱放，造成水土污染，或转移，不仅堵塞城市下水管道，散发恶臭气味，造成严重的二次污染。餐厨垃圾的单一处理工艺从资源化利用价值考虑是可行的，但从长期保护地球环境、人民宜居、保护大气环境的综合性角度来考虑，还是可能弊大于利。在餐厨垃圾资源化综合处理过程中，必然产生一些尾气，其中包括锅炉热源尾气、干燥设备尾气、生化设备温热尾气、饲料制造的热尘尾气等，这些尾气会对环境造成污染。目前，各式各样的尾气处理装置和尾气处理技术应有尽有，但是餐厨垃圾处理过程中产生的尾气中，其温差较大、成份复杂，现有技术中的尾气处理设备对其处理不够彻底，仍然存在着对大气的污染气体等。The science and technology of waste resource utilization, after a long period of application, has proved that if the waste recycling technology is applied in a single application, the consequences will bring greater crisis to the human living environment, especially The serious problem of secondary pollution is difficult to control, so the comprehensive treatment of waste has become the current development trend. The composition of kitchen waste is extremely complicated, including sewage, plastic bags, plastic bottles, waste cloth strips, spoilage organic matter, paper, metal bottles, broken glass, broken ceramic sheets, animal fats, vegetable oils, primary bacteria and other substances. . At present, the kitchen waste resource treatment technology has presented a “hundred flowers” situation in the domestic and foreign methods and processes, but basically it is a simple single item treatment, and there is no international environmental treatment that shifts from simple treatment to comprehensive treatment, utilization and disposal. The trend and direction may cause the inevitable attachments in the kitchen waste to be transferred and randomly filled, causing water and soil pollution, or transfer, not only blocking the city's sewer pipes, but also emitting a foul smell and causing serious secondary pollution. The single treatment process of kitchen waste is feasible from the perspective of resource utilization value. However, considering the comprehensive protection of the global environment, people's livability and protection of the atmospheric environment, it may still do more harm than good. In the process of comprehensive processing of kitchen waste resources, some tail gas will be generated, including boiler heat source exhaust gas, drying equipment exhaust gas, biochemical equipment warm tail gas, hot dust tail gas produced by feed, etc. These exhaust gases will pollute the environment. At present, a wide variety of exhaust gas treatment devices and exhaust gas treatment technologies are available, but the exhaust gas generated during the process of kitchen waste disposal has a large temperature difference and complex components, and the exhaust gas treatment equipment in the prior art is not sufficiently processed. There are still polluting gases to the atmosphere.
发明内容Summary of the invention
针对上述提到的现有技术中的尾气处理设备对多股不同成份的尾气进行集中处理不够彻底的缺点，本发明提供一种新的尾气处理系统，其采用初步净化装置、水固混合器、双塔式旋转喷淋系统、冷却塔和烟气排放设备等配合工作，达到对餐厨垃圾尾气的彻底处理。In view of the above-mentioned prior art exhaust gas treatment equipment, the centralized treatment of a plurality of different components of exhaust gas is not thorough enough, the present invention provides a new exhaust gas treatment system, which adopts a preliminary purification device, a water-solid mixer, The twin-tower rotary sprinkler system, cooling tower and flue gas discharge equipment work together to achieve complete treatment of the kitchen waste.
本发明解决其技术问题采用的技术方案是：一种尾气处理系统，系统包括初步净化装置、水固混合器、双塔式旋转喷淋系统和烟气排放设备，所述的初步净化装置包括空气缓冲器和初级烟气处理管道，尾气通入空气缓冲器内，通过空气缓冲器输入到初级烟气处理管道内，经初级烟气处理管道排入至水固混合器内，水固混合器出口通入双塔式旋转喷淋系统内，经双塔式旋转喷淋系统处理后输入至烟气排放设备内，再经烟气排放设备处理后排出，排出的尾气基本达到无尘、无味、无黑烟及常温排放的成效。The technical solution adopted by the present invention to solve the technical problem is: an exhaust gas treatment system, the system includes a preliminary purification device, a water-solid mixer, a double-tower rotary spray system and a flue gas discharge device, and the preliminary purification device includes air The buffer and the primary flue gas treatment pipeline, the exhaust gas is introduced into the air buffer, is input into the primary flue gas treatment pipeline through the air buffer, is discharged into the water-solid mixer through the primary flue gas treatment pipeline, and the water-solid mixer outlet It is passed into the double-tower rotary sprinkler system, processed into the flue gas discharge equipment after being treated by the double-tower rotary sprinkler system, and then discharged after being treated by the flue gas discharge equipment. The exhaust gas discharged is basically dust-free, odorless and non-exhaustive. The effect of black smoke and room temperature emissions.
本发明解决其技术问题采用的技术方案进一步还包括：The technical solution adopted by the present invention to solve the technical problem thereof further includes:
所述的空气缓冲器包括圆筒形外壳，外壳内上方设有一个以上的水帘喷射口，外壳底部装有排污口，外壳中部周边开有一个以上的尾气进气口。The air buffer comprises a cylindrical outer casing, and more than one water curtain ejection opening is arranged on the upper side of the outer casing, and a sewage outlet is arranged at the bottom of the outer casing, and more than one exhaust air inlet is opened in the middle of the outer casing.
所述的缓冲器外还配有循环水箱，循环水箱有一管道连接外壳底部的排污口，另一管道通过水泵连接于外壳上部一侧且进入缓冲室内部，循环水箱的底部一侧装有排污口，通过管道连接至沉淀池内。The buffer tank is further provided with a circulating water tank. The circulating water tank has a pipe connecting the sewage outlet at the bottom of the casing, and the other pipe is connected to the upper part of the casing through the water pump and enters the buffer chamber, and the bottom side of the circulating water tank is equipped with a sewage outlet. , connected to the sedimentation tank through a pipe.
所述的空气缓冲器内部上方还安装有用于检测空气缓冲器内部液面高度的在线液面监控器。An on-line level monitor for detecting the liquid level inside the air buffer is also mounted above the air damper.
所述的初级烟气处理管道内设有一个以上的负离子荷电陶瓷，每个负离子荷电陶瓷后端对应安装有一个高速水雾区喷头。The primary flue gas treatment pipeline is provided with more than one negative ion-charged ceramic, and each negative ion-charged ceramic rear end is correspondingly equipped with a high-speed water mist zone nozzle.
所述的每个高速水雾区喷头后端安装有一个导流板。A baffle is mounted on the rear end of each of the high-speed water mist nozzles.
所述的导流板采用凹钝角导流板。The deflector adopts a concave obtuse angle deflector.
所述的负离子荷电陶瓷安装在初级烟气处理管道内的左、右、上三面上。The negative ion-charged ceramic is mounted on the left, right, and upper sides of the primary flue gas treatment pipe.
所述的系统还包括冷却塔，冷却塔对烟气排放设备中的热交换器内的热水气进行冷却。The system also includes a cooling tower that cools the hot water within the heat exchanger in the flue gas exhaust device.
本发明的有益效果是：本发明根据CN101816874A所授权公告的发明内容的基础上，能够适应对餐厨垃圾资源化综合处理的各个工序中所产生不同压力、不同温度、不同成份的烟气、热烟气、粉尘、抽排口空气等集中处理，确保空气排放口无刺激气味排放、无有害有毒气体排放、无恶臭气体排放、无微颗粒物排放、无室温排放等。通过本发明能够对尾气进行脱硫、减轻二氧化碳排放的同时，还能将尾气中含有的碳尘粒进行清除，实现无污染几乎无白烟排放，有效的改变了以往燃气炉尾因尾气排放过程中所产生的弱酸腐蚀管道引起管道容易破损的缺陷，保障系统的使用寿命。本发明还能够将尾气的温度降低到与大气基本相同排放，从而同样保障了系统的使用寿命。The invention has the beneficial effects that: according to the invention content of the announcement authorized by CN101816874A, the invention can adapt to the different pressures, different temperatures, different components of smoke and heat generated in the various processes of the comprehensive processing of the kitchen waste resource. Flue gas, dust, pumping air, etc. are concentrated to ensure that there is no irritating odor emission, no harmful toxic gas emissions, no odorous gas emissions, no micro-particle emissions, no room temperature discharge. The invention can desulfurize the exhaust gas and reduce the carbon dioxide emission, and can also remove the carbon dust particles contained in the exhaust gas, thereby realizing no pollution and almost no white smoke emission, and effectively changing the exhaust gas exhaust process in the past. The weak acid corrosion pipeline produced causes defects in the pipeline to be easily damaged, and the service life of the system is guaranteed. The present invention is also capable of reducing the temperature of the exhaust gas to substantially the same level as the atmosphere, thereby also ensuring the service life of the system.
下面将结合附图和具体实施方式对本发明做进一步说明。The invention will be further described with reference to the drawings and specific embodiments.
附图说明DRAWINGS
图1为本发明尾气处理系统的示意图。1 is a schematic view of an exhaust gas treatment system of the present invention.
图2为本发明中的尾气缓冲器构造示意图。2 is a schematic view showing the structure of an exhaust gas buffer in the present invention.
图3为本发明初级烟气处理管道构造示意图。Figure 3 is a schematic view showing the construction of a primary flue gas treatment pipeline of the present invention.
图4为本发明中烟气排放系统及其内部构造示意图。Figure 4 is a schematic view of the flue gas exhaust system and its internal structure in the present invention.
图5为本发明初级烟气处理管道构造示意图。Figure 5 is a schematic view showing the construction of a primary flue gas treatment pipeline of the present invention.
图中，1-空气缓冲器，1A、进气口，2-水封界面，3-排污口，4-水阀，5-在线液面监控器，6-自动循环补水泵，7-初级烟气处理管道，8-负离子荷电陶瓷，9-高速水雾区喷头，10-凹钝角导流板，11-气、水、固分离器，12-循环水箱，13-双塔式旋转喷淋系统，14-旋转高压喷嘴，15-出水口，16-引风设备，17-水、气混合管道，18-烟气排放设备，19-罐体，20-热交换器，21-气体排放管道，22-出水口，23-冷却塔，24-沉渣池，25-碳渣过滤器，26-水帘喷射口。In the figure, 1-air buffer, 1A, air inlet, 2-water seal interface, 3-sewage outlet, 4-water valve, 5-line liquid level monitor, 6-automatic circulation water pump, 7-primary smoke Gas treatment pipeline, 8-negative ion-charged ceramic, 9-high speed water mist nozzle, 10- concave obtuse deflector, 11-gas, water, solid separator, 12-circulating water tank, 13-double tower rotary spray System, 14-rotating high pressure nozzle, 15-water outlet, 16-winding equipment, 17-water, gas mixing pipeline, 18-flue gas discharge equipment, 19-tank, 20-heat exchanger, 21-gas discharge pipeline , 22 - water outlet, 23 - cooling tower, 24 - sediment pool, 25 - carbon slag filter, 26 - water curtain jet.
具体实施方式detailed description
本实施例为本发明优选实施方式，其他凡其原理和基本结构与本实施例相同或近似的，均在本发明保护范围之内。This embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the present embodiment, and are all within the scope of the present invention.
本发明主要是用于对餐厨垃圾资源化处理的各个工序中所产生的烟气、热烟气、粉尘、抽排口空气等集中处理，确保空气排放口无刺激气味排放、无有害有毒气体排放、无恶臭气体排放、无微颗粒物排放、无室温排放等。The invention is mainly used for centralized treatment of flue gas, hot flue gas, dust, extraction air and the like generated in various processes of the kitchen waste recycling treatment, ensuring that the air discharge port has no irritating odor emission and no harmful toxic gas. Emissions, no odorous gas emissions, no particulate emissions, no room temperature emissions, etc.
请参看附图1，本发明中包括有尾气缓冲装置、进气口、初级气、水、固分离器11、初级净化管道7、双塔式旋转喷淋系统13、冷却塔23和烟气排放设备18，本实施例中，整套系统的起点为尾气缓冲器1，尾气缓冲器1外壳呈圆筒状，底部为圆锥形，尾气缓冲器1外壳内上方设有多个水帘喷射口26，用于向尾气缓冲器1内喷撒水雾，尾气缓冲器1还设有多个进气口2，空气缓冲室内装有水体，且水体形成的顶部端面为水体界面2A，空气缓冲器1外壳底部装有排污口3，用于污水排出，排污口3通过管段连通至循环水箱12内部，循环水箱连接有水体循环管道4，作用于对缓冲器内部的水体补充，确保水体设定的界面位置和水体降温。本实施例中，空气缓冲器1内还安装在线液面监控器5，用于实时监控空气缓冲器1内部的水体界面高度。尾气缓冲器1外侧设有循环水箱12，排污口3通过管段连通至沉渣池24内，循环水箱12上部通过管段4连通，管段上设有水阀4A，循环水箱12出水管段与自动循环补水泵6连接，自动循环补水泵6出水口通过管道4连接至尾气缓冲器1内的中部，用于将循环水通过尾气缓冲器内的水帘喷淋嘴26后排入尾气缓冲器1内。尾气缓冲器1上部侧面装有初级烟气处理管道7，本实施例中，初级烟气处理管道7内的上、左、右三个面上错位装有若干个负离子荷电陶瓷8，该负离子荷电陶瓷无须电源启动、能自然释放负离子，在每个负离子荷电陶瓷8后面装有高速水雾区喷头9和钝角导流板10，高速水雾区喷头9在负离子荷电陶瓷8后端形成多层水帘，为负离子高速水雾区，而钝角导流板作用于对高速烟气产生瞬间气流轨迹方向改变，使密度大的尘粒运动方向不随气体方向流动。本实施例中，初级烟气处理管道7倾斜设置，初级烟气处理管道7前端连接在空气缓冲器1上，初级烟气处理管道7后端连接有气、水、固分离器11，气、水、固分离器11下方设有碳渣过滤器25，用于滤除水固分离器11中沉淀物里面的碳渣。水固混合器11通过水气混合管道连接至双塔式旋转喷淋系统13内。当烟气通过进气口1A进入空气缓冲器1内时，直接通过管道通入至水封界面2下方10cm——15cm处，并由于进气口的正压作用，烟气再跃出水封界面2后进入初级烟气处理管道7内。当热气流夹带着碳微粒或其他固态微粒高速撞向负离子高速水雾区时，在钝角导流板10的作用下产生瞬间气流轨迹方向改变，尤其是利用负电离子与碳尘所带的阳离子中和以及高速水雾喷淋的冷水扰动，且尘粒具有密度大的特征，并不随气体方向流动，而是进入水固分离器11，再将带有碳微粒和其它固体微粒的水体送入下一级的水气混合管道，但气体由引风机设备被导入双塔式旋转喷淋系统13。本实施例中，双塔式旋转喷淋系统13包括两个并排设置的立式处理塔，烟气首先进入其中一个处理塔后，气体的走向为从上至下进入到另一个塔体的下部后，气体再于此塔下部从下至上的运行，同时设于双塔内围绕周边安装的旋转高压喷嘴14对气体喷水，对气体进行顺逆清洗，双塔底部均设有出水口15，并由此出水口15流入水、气混合管道17，而经过清洗的热烟气已形成热水气由安装于塔外的引风设备16作用下引入水、气混合管道17中，本实施例中，水、气混合管道17以卧式微倾斜安装，连接引风设备，水、气混合管道17一端稍高，而另一端稍低，由双塔式旋转喷淋系统13下部的出水口所排出的水体和由引风机导出的热气直接进入水、气混合管道17，且流向稍低的一端并进入烟气排放设备18内。请结合参看附图3，本实施例中，烟气排放设备18包括三部分，下部为罐体19，与罐体19顶部相连接的为热交换器20 ，设于热交换器上部的为气体排放管道21，其中下部罐体19与水、气混合管道17的出水口相连接，下罐体19的一侧设置湿渣排出口及出水口22。另外，热交换器20中的循环水由冷却塔23提供，冷却塔23通过泵具吸取沉渣池24内的水，并通过管道输送至热交换器20内，对热交换器20内的热水气进行冷却，当热水气进入热交换器20后，蒸汽被冷却液化为水体落下，进入下部罐体19，并经出水口22排出，不能液化的干洁气体由排放口排出，这时的气体排出温度不高于38℃。Referring to Figure 1, the present invention includes an exhaust gas buffer device, an air inlet, a primary gas, a water, a solid separator 11, a primary purification pipe 7, a twin-tower rotary sprinkler system 13, a cooling tower 23, and a flue gas discharge. The device 18, in this embodiment, the starting point of the whole system is the exhaust gas buffer 1, the outer casing of the exhaust gas buffer 1 has a cylindrical shape, and the bottom portion has a conical shape, and a plurality of water curtain ejection openings 26 are disposed above the outer casing of the exhaust gas buffer 1 . It is used for spraying water mist into the exhaust gas buffer 1, and the exhaust gas buffer 1 is further provided with a plurality of air inlets 2, the air buffer chamber is filled with water body, and the top end surface formed by the water body is the water body interface 2A, and the bottom of the air buffer 1 is the outer shell The sewage outlet 3 is provided for sewage discharge, and the sewage outlet 3 is connected to the inside of the circulating water tank 12 through a pipe section, and the circulating water tank is connected with a water circulation pipe 4, which acts on the water body inside the buffer to ensure the interface position of the water body and The water body cools down. In this embodiment, an in-line liquid level monitor 5 is also installed in the air buffer 1 for real-time monitoring of the water body interface height inside the air buffer 1. A circulating water tank 12 is arranged outside the exhaust gas buffer 1, and the sewage outlet 3 is connected to the sediment pool 24 through the pipe section. The upper part of the circulating water tank 12 is connected through the pipe section 4, and the water pipe 4A is arranged on the pipe section, and the outlet pipe section of the circulating water tank 12 and the automatic circulation water supply. The pump 6 is connected, and the water outlet of the automatic circulation water pump 6 is connected to the middle portion of the exhaust gas buffer 1 through the pipe 4 for discharging the circulating water through the water curtain shower nozzle 26 in the exhaust gas buffer and discharging into the exhaust gas buffer 1. The upper side of the exhaust gas buffer 1 is provided with a primary flue gas treatment pipe 7. In this embodiment, the upper, the left and the right sides of the primary flue gas treatment pipe 7 are misplaced with a plurality of negative ion-charged ceramics 8, which are negative ions. The charged ceramic does not need to be powered to start, and can naturally release negative ions. After each negative ion-charged ceramic 8 is equipped with a high-speed water mist nozzle 9 and an obtuse angle deflector 10, and a high-speed water mist nozzle 9 at the back end of the negative ion-charged ceramic 8 The multi-layer water curtain is formed as a negative ion high-speed water mist zone, and the obtuse angle baffle acts on the instantaneous airflow trajectory direction of the high-speed flue gas, so that the moving direction of the dense dust particle does not flow along the gas direction. In this embodiment, the primary flue gas treatment pipe 7 is inclined, the front end of the primary flue gas treatment pipe 7 is connected to the air buffer 1, and the gas, water and solid separator 11 is connected to the rear end of the primary flue gas treatment pipe 7, gas, Below the water and solids separator 11, a carbon residue filter 25 is provided for filtering the carbon residue in the sediment in the water-solid separator 11. The water-solid mixer 11 is connected to the twin-tower rotary sprinkler system 13 through a water-gas mixing pipe. When the flue gas enters the air buffer 1 through the air inlet 1A, it directly passes through the pipeline to the lower 10cm-15cm below the water seal interface 2, and the flue gas jumps out of the water seal interface due to the positive pressure of the air inlet. After 2, it enters the primary flue gas treatment pipeline 7. When the hot gas stream is entrained with carbon particles or other solid particles to hit the negative ion high-speed water mist zone at high speed, the direction of the instantaneous airflow path changes under the action of the obtuse angle baffle 10, especially in the cations carried by the negative ions and carbon dust. And the cold water disturbance of the high-speed water spray, and the dust particles have the characteristics of high density, do not flow with the gas direction, but enter the water-solid separator 11, and then send the water with carbon particles and other solid particles into the lower The first stage water and gas mixing pipe, but the gas is introduced into the twin tower rotary sprinkler system 13 by the draft fan device. In this embodiment, the twin-tower rotary sprinkler system 13 comprises two vertical processing towers arranged side by side. After the flue gas first enters one of the processing towers, the gas flows from top to bottom into the lower part of the other tower body. After that, the gas is further operated from bottom to top in the lower part of the tower, and at the same time, the rotating high-pressure nozzle 14 installed around the periphery of the double tower sprays water on the gas, and the gas is smoothly cleaned, and the bottom of each tower is provided with a water outlet 15, And the water outlet 15 flows into the water and gas mixing pipe 17, and the heated hot flue gas has been formed into the water and gas mixing pipe 17 by the air introducing device 16 installed outside the tower. The water and gas mixing pipe 17 is installed in a horizontally inclined manner to connect the air guiding device, and the water and gas mixing pipe 17 is slightly higher at one end and slightly lower at the other end, and is connected by the water outlet of the lower portion of the double tower rotary sprinkler system 13. The discharged water body and the hot gas derived from the draft fan directly enter the water and gas mixing pipe 17, and flow to the slightly lower end and enter the flue gas discharge device 18. Referring to FIG. 3 in combination, in the present embodiment, the flue gas discharge device 18 includes three parts, the lower part is a tank body 19, and the heat exchanger 20 is connected to the top of the tank body 19. The upper part of the heat exchanger is a gas discharge pipe 21, wherein the lower tank 19 is connected to the water outlet of the water and gas mixing pipe 17, and the wet slag discharge port and the water outlet 22 are provided on one side of the lower tank 19. Further, the circulating water in the heat exchanger 20 is supplied from the cooling tower 23, and the cooling tower 23 sucks the water in the sedimentation tank 24 through the pump and conveys it to the heat exchanger 20 through the pipe, and the hot water in the heat exchanger 20 The gas is cooled. When the hot water enters the heat exchanger 20, the steam is cooled and liquefied into a water body to fall into the lower tank 19, and discharged through the water outlet 22, and the dry gas that cannot be liquefied is discharged from the discharge port. The gas discharge temperature is not higher than 38 °C.
本发明主要点在于在尾气处理系统前端加入了初步净化装置，及其结构设计，本发明中其他部分的结构可参看申请的在先中国专利，申请号为201010168879.2，公开号为CN101816874A，其专利的结构与本发明中的大体相同。The main point of the present invention is to add a preliminary purification device to the front end of the exhaust gas treatment system, and its structural design. For the structure of other parts of the present invention, reference may be made to the prior Chinese patent application, the application number is 201010168879.2, and the publication number is CN101816874A. The structure is substantially the same as in the present invention.
本发明能够对餐厨垃圾资源化处理的各个工序中所产生的烟气、热烟气、粉尘、抽排口空气等集中处理，确保空气排放口无刺激气味排放、无有害有毒气体排放、无恶臭气体排放、无微颗粒物排放、无室温排放等。通过本发明能够对尾气进行脱硫、减轻二氧化碳排放的同时，还能将尾气中含有的碳尘粒进行清除，实现无污染几乎无白烟排放，有效的改变了以往燃气炉尾因尾气排放过程中所产生的弱酸腐蚀管道引起管道容易破损的缺陷，保障系统的使用寿命。本发明还能够将尾气的温度降低到与大气基本相同排放，从而同样保障了系统的使用寿命。The invention can centrally treat the flue gas, the hot flue gas, the dust, the exhaust air and the like generated in the various processes of the kitchen waste resource treatment, and ensure that the air discharge port has no irritating odor emission, no harmful toxic gas discharge, no Odorous gas emissions, no particulate matter emissions, no room temperature emissions, etc. The invention can desulfurize the exhaust gas and reduce the carbon dioxide emission, and can also remove the carbon dust particles contained in the exhaust gas, thereby realizing no pollution and almost no white smoke emission, and effectively changing the exhaust gas exhaust process in the past. The weak acid corrosion pipeline produced causes defects in the pipeline to be easily damaged, and the service life of the system is guaranteed. The present invention is also capable of reducing the temperature of the exhaust gas to substantially the same level as the atmosphere, thereby also ensuring the service life of the system.

Claims (11)

  1. 一种尾气处理系统，其特征是：所述的系统包括尾气缓冲装置、水固分离器（11）、双塔式旋转喷淋系统（13）和烟气排放设备（18），所述的空气缓冲器（1）和初级烟气处理管道（7），尾气通入空气缓冲器（1）内，通过空气缓冲器（1）输入到初级烟气处理管道（7）内，经初级烟气处理管道（7）排入至水固分离器（11）内，水固分离器（11）出口通入双塔式旋转喷淋系统（13）内，经双塔式旋转喷淋系统（13）处理后输入至烟气排放设备（18）内，再经烟气排放设备（18）处理后排出。 An exhaust gas treatment system, characterized in that: the system comprises an exhaust gas buffer device, a water-solid separator (11), a twin-tower rotary sprinkler system (13) and a flue gas discharge device (18), the air The damper (1) and the primary flue gas treatment pipe (7), the exhaust gas is introduced into the air damper (1), is input into the primary flue gas treatment pipe (7) through the air damper (1), and is treated by the primary flue gas. The pipe (7) is discharged into the water-solid separator (11), and the outlet of the water-solid separator (11) is passed into a double-tower rotary sprinkler system (13) and treated by a twin-tower rotary sprinkler system (13). It is then input into the flue gas discharge device (18), and then discharged through the flue gas discharge device (18).
  2. 根据权利要求1所述的尾气处理系统，其特征是：所述的尾气缓冲装置（1）包括圆筒形外壳，外壳内上方设有一个以上的水帘喷射口（26），外壳底部装有排污口（3）。The exhaust gas treatment system according to claim 1, wherein said exhaust gas buffering device (1) comprises a cylindrical outer casing, and more than one water curtain ejection opening (26) is disposed above the outer casing, and the outer casing is provided with a bottom portion. Sewage outlet (3).
  3. 根据权利要求1所述的尾气处理系统，其特征是：所述的尾气缓冲装置（1）外壳周边开有一个以上的尾气进气口（1A）。The exhaust gas treatment system according to claim 1, wherein said exhaust gas buffering means (1) has more than one exhaust gas inlet (1A) in the periphery of the casing.
  4. 根据权利要求2所述的尾气处理系统，其特征是：所述的尾气缓冲装置还包括有储水箱（12），排污口（3）通过管段（4）连接至储水箱（12）内。The exhaust gas treatment system according to claim 2, wherein said exhaust gas buffering device further comprises a water storage tank (12), and the sewage outlet (3) is connected to the water storage tank (12) through the pipe section (4).
  5. 根据权利要求3所述的尾气处理系统，其特征是：所述的循环水管段（4）通过水阀（4A）连接至储水箱（12）上部，储水箱（12）中、下部通过泵具和管段连接至空气缓冲器（1）内的水帘喷淋器（26）。The exhaust gas treatment system according to claim 3, characterized in that: the circulating water pipe section (4) is connected to the upper part of the water storage tank (12) through a water valve (4A), and the middle and lower parts of the water storage tank (12) pass the pump And the pipe section is connected to the water curtain shower (26) in the air damper (1).
  6. 根据权利要求2或3或4所述的尾气处理系统，其特征是：所述的空气缓冲器（1）内部上方还安装有用于检测空气缓冲器（1）内部液面高度的在线液面监控器（5）。The exhaust gas treatment system according to claim 2 or 3 or 4, characterized in that the air buffer (1) is further provided with an on-line liquid level monitoring for detecting the internal liquid level of the air buffer (1). (5).
  7. 根据权利要求1至4中任意一项所述的尾气处理系统，其特征是：所述的初级烟气处理管道（7）内设有一个以上的负离子荷电陶瓷（8）件，该陶瓷件无须电源，能自然释放负离子，每个负离子荷电陶瓷（8）后端对应安装有一个高速水雾区喷头（9）。The exhaust gas treatment system according to any one of claims 1 to 4, characterized in that: the primary flue gas treatment pipe (7) is provided with more than one negative ion-charged ceramic (8) member, the ceramic member No negative power is required to discharge the negative ions, and a high-speed water mist nozzle (9) is installed at the rear end of each negative ion-charged ceramic (8).
  8. 根据权利要求6所述的尾气处理系统，其特征是：所述的每个高速水雾区喷头（9）后端安装有一个导流板（10）。The exhaust gas treatment system according to claim 6, characterized in that: a baffle (10) is mounted at the rear end of each of the high-speed water mist zone nozzles (9).
  9. 根据权利要求7所述的尾气处理系统，其特征是：所述的导流板（10）采用钝角导流板。The exhaust gas treatment system according to claim 7, wherein said deflector (10) employs an obtuse angle deflector.
  10. 根据权利要求6所述的尾气处理系统，其特征是：所述的负离子荷电陶瓷（8）安装在初级烟气处理管道（7）内的左、右、上三面上。The exhaust gas treatment system according to claim 6, characterized in that said negative ion-charged ceramic (8) is mounted on the left, right and upper faces in the primary flue gas treatment pipe (7).
  11. 根据权利要求1至4中任意一项所述的尾气处理系统，其特征是：所述的系统还包括冷却塔（23），冷却塔（23）对烟气排放设备（18）中的热交换器（20）内的热水气进行冷却。An exhaust gas treatment system according to any one of claims 1 to 4, wherein said system further comprises a cooling tower (23) for heat exchange in the flue gas discharge device (18) The hot water in the device (20) is cooled.
PCT/CN2013/071235 2012-11-23 2013-01-31 Exhaust gas treatment system WO2014079172A1 (en)

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