WO2021000796A1 - Flue gas treatment apparatus for treating co, dioxin, and white smoke plume - Google Patents

Flue gas treatment apparatus for treating co, dioxin, and white smoke plume Download PDF

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Publication number
WO2021000796A1
WO2021000796A1 PCT/CN2020/098489 CN2020098489W WO2021000796A1 WO 2021000796 A1 WO2021000796 A1 WO 2021000796A1 CN 2020098489 W CN2020098489 W CN 2020098489W WO 2021000796 A1 WO2021000796 A1 WO 2021000796A1
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Prior art keywords
flue gas
heating
heating zone
gas purification
purification
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PCT/CN2020/098489
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French (fr)
Chinese (zh)
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高彦
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秦皇岛新特科技有限公司
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    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • B01D53/70—Organic halogen compounds
    • 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
    • B01D53/75—Multi-step processes
    • 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
    • B01D53/81—Solid phase processes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area

Definitions

  • the utility model relates to the technical field of clinker production technology and equipment, in particular to a flue gas processing equipment for processing CO, dioxin and white plume.
  • the CO and dioxins in the sintering flue gas are toxic substances.
  • the removal of CO and dioxins in the flue gas has become the top priority of the environmental management of steel enterprises.
  • the sintering flue gas contains a large amount of dioxins, CO, SO 2 and NOx.
  • dioxins CO, SO 2 and NOx.
  • desulfurization, denitrification and removal of dioxins are required.
  • the utility model discloses a flue gas processing equipment for processing CO, dioxin and white plume, which solves the problem that the exhaust gas generated in the existing sintering production process cannot be processed.
  • a flue gas treatment equipment including: a clinker production device, the clinker production device has a flue gas outlet; a flue gas purification pipeline, the flue gas purification pipeline includes a corresponding A flue gas purification inlet and a flue gas purification outlet are provided, the flue gas outlet is connected to the flue gas purification inlet through a pipeline; a flue gas purification device, the flue gas purification device is used to purify the flue gas, the flue gas The purification device is arranged between the flue gas purification inlet and the flue gas purification outlet.
  • the flue gas purification device is provided with a reaction part and a heating part, the reaction part is located inside the heating part, and the heating part is used to
  • the clinker production device generates flue gas for heating; the reaction part is used to react with the heated flue gas to purify the flue gas.
  • the reaction part includes: a carbon monoxide purification device, and an oxidant is arranged in the carbon monoxide purification device, and the oxidant is used for redox reaction with carbon monoxide.
  • the oxidant includes alkaline mineral material.
  • the flue gas purification inlet is located below the heating part, and the flue gas purification outlet is located above the heating part.
  • the heating part includes a heating zone, and a heating device is arranged in the heating zone, and the heating device is used to heat the temperature of the flue gas in the heating zone to more than 350°C, so that the dioxin in the flue gas is decomposed by high temperature. .
  • the heating part includes a plurality of heating zones, the plurality of heating zones are arranged at intervals, and each heating zone is provided with a heating device.
  • the heating part includes: a first heating zone and a second heating zone arranged adjacently, the temperature of the second heating zone is greater than the temperature of the first heating zone; the flue gas purification inlet is at least one At least one flue gas purification inlet is arranged below the first heating zone, and one flue gas purification inlet may also be arranged below the second heating zone. All the flue gas purification inlets are connected to all the flue gas purification inlets. The flue gas outlet is connected.
  • the heating part includes: a first heating zone and a second heating zone arranged adjacently, the temperature of the second heating zone is greater than the temperature of the first heating zone;
  • the flue gas purification pipeline further includes A secondary purification pipeline, the secondary purification pipeline includes a secondary purification inlet and a secondary purification outlet, the secondary purification inlet is located above the first heating zone, and the secondary purification outlet is located on the second heating zone.
  • the flue gas purification inlet is located below the first heating zone, and the flue gas purification outlet is located above the second heating zone.
  • the purification device further includes: a first heating device, the first heating device is arranged in the first heating zone, and the first heating device is used to treat the flue gas in the first heating zone Preheating is performed so that the flue gas temperature is greater than the dew point temperature; a second heating device, the second heating device is arranged in the second heating zone, and the second heating device is used to heat the second heating zone
  • the temperature of the flue gas is heated to more than 350°C, so that the dioxin in the flue gas is decomposed by high temperature.
  • the flue gas purification device is a vertical cooler
  • the vertical cooler includes a shell and a clinker adding device
  • the lower part of the shell is provided with a discharge port and the flue gas purification inlet
  • the upper part of the shell is provided with a feed inlet and the flue gas purification outlet.
  • the flue gas processing equipment of the utility model is provided with flue gas purification pipelines, so that after the clinker flue gas is guided by the flue gas purification pipeline, it is heated by the heating part and reacted by the reaction part, so that the flue gas is purified, thereby avoiding Environmental pollution.
  • Figure 1 is a schematic diagram of the structure of a flue gas treatment device according to an embodiment of the present invention
  • the utility model discloses a flue gas processing equipment, including: a clinker production device 10, a flue gas purification pipeline 20 and a flue gas purification device 30, the clinker production device 10 has a flue gas outlet 11;
  • the flue gas purification pipeline 20 includes correspondingly arranged flue gas purification inlets 21 and flue gas purification outlets 22.
  • the flue gas outlet 11 is connected to the flue gas purification inlet 21 through the pipeline; the flue gas purification device 30 is used to purify the flue gas and the flue gas
  • the purification device 30 is arranged between the flue gas purification inlet 21 and the flue gas purification outlet 22.
  • the flue gas purification device 30 is provided with a reaction part and a heating part 31.
  • the reaction part is located inside the heating part 31.
  • the heating part 31 is used to treat the clinker
  • the production device 10 generates flue gas for heating; the reaction part is used to react with the heated flue gas to purify the flue gas.
  • the flue gas processing equipment of the present invention is provided with a flue gas purification pipeline 20, so that the clinker flue gas is guided by the flue gas purification pipeline 20, and is heated by the heating part 31 and reacted by the reaction part, so that the flue gas is purified. , So as to avoid environmental pollution.
  • the reaction part includes: a carbon monoxide purification device, and an oxidant is provided in the carbon monoxide purification device, and the oxidant is used for redox reaction with carbon monoxide.
  • a carbon monoxide purification device is arranged in the flue gas purification device 30, and an oxidant is arranged in the carbon monoxide purification device, so that the oxidant and the carbon monoxide in the flue gas undergo an oxidation-reduction reaction to convert the carbon monoxide into carbon dioxide, thereby Effectively remove carbon monoxide in sintering flue gas.
  • the oxidant includes alkaline mineral materials, such as copper oxide, iron oxide, ferrous oxide, etc., zinc oxide.
  • copper oxide reacts with carbon monoxide to produce copper metal and carbon dioxide (CO+CuO ⁇ CO 2 +Cu)
  • iron oxide reacts with carbon monoxide to produce metallic iron and carbon dioxide (CO+Fe 2 O 3 ⁇ CO 2 +Fe)
  • ferrous oxide reacts with carbon monoxide to produce metallic iron and carbon dioxide (CO+FeO ⁇ CO 2 +Fe)
  • Zinc oxide reacts with carbon monoxide to produce metallic zinc and carbon dioxide, thereby converting carbon monoxide into carbon dioxide, effectively removing carbon monoxide in the sintering flue gas.
  • nitrogen oxides in the flue gas or oxygen in the air can also be used as oxidants to react with carbon monoxide.
  • carbon monoxide and nitrogen oxides react with a catalyst to form nitrogen and carbon dioxide ( CO+NO X ⁇ N 2 +CO 2 ), carbon monoxide reacts with oxygen to generate carbon dioxide (CO+O 2 ⁇ CO 2 ), so as to achieve simultaneous denitrification and carbon monoxide removal.
  • the reaction temperature can be changed according to the actual situation, the reaction temperature in this embodiment is 350°C or more
  • the flue gas purification inlet 21 is located below the heating part 31 and the flue gas purification outlet 22 is located above the heating part 31.
  • the flue gas purification inlet 21 and the flue gas purification outlet 22 are respectively arranged above and below the heating part 31.
  • the flue gas can pass through after entering the heating part 31
  • the heating part 31 is fully heated and purified by the reaction part, and after the heated flue gas rises, it can be directly discharged through the flue gas purification outlet 22 above the heating part 31. Therefore, a good reaction temperature can be ensured and the flue gas efficiency can be improved. Purifying effect.
  • the heating part 31 includes a heating zone, and a heating device is arranged in the heating zone.
  • the heating device is used to heat the temperature of the flue gas in the heating zone to more than 350°C, so that the dioxins in the flue gas are heated.
  • British high temperature decomposition In the flue gas processing equipment of the present invention, a heating zone is provided in the heating part 31, and a heating device is arranged in the heating zone. The temperature of the material added in the heating device is greater than 600°C.
  • dioxin After being decomposed by high temperature, carbon monoxide is oxidized. After the flue gas temperature rises to the dew point temperature, the white plume disappears, thereby achieving the effects of carbon monoxide removal, dioxin removal and whitening.
  • the heating part 31 includes a plurality of heating zones, the plurality of heating zones are arranged at intervals, and each heating zone is provided with a heating device.
  • a plurality of heating zones are arranged at intervals in the heating part 31, and a heating device is arranged in each heating zone.
  • Each heating device is equipped with a high-temperature material layer for heating. The temperature of the high-temperature material layer is greater than 600°C.
  • the dioxin passes through the material layer greater than 600°C, it is decomposed by the high temperature of the material layer, and at the same time, carbon monoxide
  • the temperature of the flue gas is heated by the high-temperature material layer to above the dew point temperature, causing the white plume to disappear.
  • the heating efficiency and reaction area can be improved, so that when the flue gas passes through the heating zone, more dioxins are decomposed by high temperature, more carbon monoxide is oxidized, and the flue gas temperature can rise more quickly.
  • the white plume disappears, thereby achieving the effect of removing carbon monoxide, dioxin and whitening.
  • the heating part 31 includes: a first heating zone 311 and a second heating zone 312 adjacently arranged, the temperature of the second heating zone 312 is greater than the temperature of the first heating zone 311; flue gas There is at least one purification inlet 21, at least one flue gas purification inlet 21 is provided under the first heating zone 311, and a flue gas purification inlet 21 can also be provided under the second heating zone 312. All flue gas purification inlets 21 are connected to The flue gas outlet 11 is connected.
  • the flue gas can be distributed and transported to different positions of the heating part 31, so that the flue gas and the heating part 31 can fully exchange heat, and the heating efficiency and heating effect can be improved , So that the flue gas is at a suitable reaction temperature, so that the flue gas can fully react and purify with the reaction part, thereby achieving the effect of purifying the flue gas.
  • the heating part 31 includes: a first heating zone 311 and a second heating zone 312 adjacently arranged, the temperature of the second heating zone 312 is greater than the temperature of the first heating zone 311; flue gas purification
  • the pipeline 20 also includes a secondary purification pipeline 23.
  • the secondary purification pipeline 23 includes a secondary purification inlet 231 and a secondary purification outlet 232.
  • the secondary purification inlet 231 is located above the first heating zone 311 and the secondary purification outlet 232 It is located below the second heating zone 312; the flue gas purification inlet 21 is located below the first heating zone 311, and the flue gas purification outlet 22 is located above the second heating zone 312.
  • the heating part 31 includes a first heating zone 311 and a second heating zone 312 adjacently arranged, and the temperature of the second heating zone 312 is greater than the temperature of the first heating zone 311 to heat the flue gas
  • the flue gas is preheated and initially purified through the first heating zone 311 with a lower temperature, and then the preheated and initially purified flue gas is transported to the first heating zone 311 with a higher temperature by setting the secondary purification pipeline 23.
  • the second heating zone 312 performs secondary heating and secondary purification. Through the secondary heating and secondary purification, the heat exchange efficiency and purification effect are effectively improved, and the de-whitening effect of the flue gas is ensured.
  • the temperature of the flue gas can reach the reaction temperature. Temperature, thereby ensuring the effect of removing carbon monoxide.
  • the purification device further includes: a first heating device and a second heating device.
  • the first heating device is arranged in the first heating zone 311, and the first heating device is used to treat the flue gas in the first heating zone 311. Perform preheating so that the flue gas temperature is greater than the dew point temperature; the second heating device is arranged in the second heating zone 312, and the second heating device is used to heat the flue gas temperature in the second heating zone 312 to more than 350°C, so that Dioxins in the flue gas are decomposed at high temperature.
  • the flue gas purification device 30 is a vertical cooler, which includes a shell and a clinker adding device.
  • the lower part of the shell is provided with a discharge port and a flue gas purification inlet 21.
  • the upper part of the shell A feed inlet and a flue gas purification outlet 22 are provided.
  • the flue gas processing equipment of the utility model is equipped with a vertical cooler, which can heat the flue gas and react with the flue gas while cooling the clinker, so that the clinker itself reacts with the flue gas while cooling the clinker , To purify carbon monoxide, which can avoid adding separate purification equipment and reduce production costs.
  • the vertical cooler can evenly add clinker to improve the purification effect.
  • a method for processing clinker flue gas is also disclosed, which is used in the above-mentioned flue gas treatment equipment and includes the following steps: S10: venting the clinker flue gas generated by the clinker production device 10 To the flue gas purification pipeline 20, the clinker flue gas is heated by the flue gas purification device 30 to make the flue gas temperature greater than the dew point temperature to eliminate the white plume; S20: the heated clinker flue gas continues to be heated to make the cooked The temperature of the flue gas is greater than 350°C.
  • the flue gas processing equipment of the present invention guides the flue gas to the flue gas purification device 30 for heating, so that the flue gas temperature is greater than the dew point temperature and effectively eliminates the white plume. After heating continues, the flue gas is heated to 350°C or higher, The dioxin in the flue gas is decomposed by high temperature, so as to achieve the purpose of removing dioxin and purifying carbon monoxide.

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  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
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Abstract

In the present utility application, a flue gas treatment apparatus for treating CO, dioxin and white smoke plume is disclosed. The flue gas treatment apparatus comprises: a clinker production device having a flue gas outlet; a flue gas purification pipeline comprising a flue gas purification inlet, and a flue gas purification outlet disposed correspondingly and in communication with the flue gas purification inlet by means of pipelines; and a flue gas purification device for purifying the flue gas and is disposed between the flue gas purification inlet and the flue gas purification outlet. A reaction portion and a heating portion are provided in the flue gas purification device. The reaction portion is located in the heating portion. The heating portion is used to heat the flue gas generated in the clinker production device. The reaction portion is used to react the heated flue gas. In the flue gas treatment apparatus of the present utility application, the flue gas from the clinker is heated by the heating portion and reacted and purified by the reaction portion, thereby avoiding environmental pollution.

Description

处理CO、二噁英及白色烟羽的烟气处理设备Flue gas treatment equipment for CO, dioxin and white plume 技术领域Technical field
本实用新型涉及熟料生产工艺及设备技术领域，特别是一种处理CO、二噁英及白色烟羽的烟气处理设备。The utility model relates to the technical field of clinker production technology and equipment, in particular to a flue gas processing equipment for processing CO, dioxin and white plume.
背景技术Background technique
烧结烟气中的CO和二噁英是有毒物质，脱出烟气中的CO和二噁英成为钢铁企业环境治理的重中之重。The CO and dioxins in the sintering flue gas are toxic substances. The removal of CO and dioxins in the flue gas has become the top priority of the environmental management of steel enterprises.
在烧结生产过程中，烧结烟气中含有大量二噁英、CO、SO 2和NOx，为减少外排量，都需要进行脱硫脱硝脱白脱二噁英处理,现阶段还没有有效措施脱除烧结烟气中的CO。 In the sintering production process, the sintering flue gas contains a large amount of dioxins, CO, SO 2 and NOx. In order to reduce the external emission, desulfurization, denitrification and removal of dioxins are required. At this stage, there is no effective measure to remove them. CO in sintering flue gas.
实用新型内容Utility model content
本实用新型公开了一种处理CO、二噁英及白色烟羽的烟气处理设备，解决了现有烧结生产过程中产生的尾气无法处理的问题。The utility model discloses a flue gas processing equipment for processing CO, dioxin and white plume, which solves the problem that the exhaust gas generated in the existing sintering production process cannot be processed.
根据本实用新型的一个方面，公开了一种烟气处理设备，包括：熟料生产装置，所述熟料生产装置具有烟气出口；烟气净化管路，所述烟气净化管路包括对应设置的烟气净化入口和烟气净化出口，所述烟气出口通过管路与所述烟气净化入口连通；烟气净化装置，所述烟气净化装置用于净化烟气，所述烟气净化装置设置在烟气净化入口和烟气净化出口之间，所述烟气净化装置内设置有反应部和加热部，所述反应部位于所述加热部内部，所述加热部用于对所述熟料生产装置产生烟气进行加热；所述反应部用于与加热后的烟气进行反应，以净化烟气。According to one aspect of the present invention, a flue gas treatment equipment is disclosed, including: a clinker production device, the clinker production device has a flue gas outlet; a flue gas purification pipeline, the flue gas purification pipeline includes a corresponding A flue gas purification inlet and a flue gas purification outlet are provided, the flue gas outlet is connected to the flue gas purification inlet through a pipeline; a flue gas purification device, the flue gas purification device is used to purify the flue gas, the flue gas The purification device is arranged between the flue gas purification inlet and the flue gas purification outlet. The flue gas purification device is provided with a reaction part and a heating part, the reaction part is located inside the heating part, and the heating part is used to The clinker production device generates flue gas for heating; the reaction part is used to react with the heated flue gas to purify the flue gas.
进一步地，所述反应部包括：一氧化碳净化装置，所述一氧化碳净化装置内设置有氧化剂，所述氧化剂用于与一氧化碳发生氧化还原反应。Further, the reaction part includes: a carbon monoxide purification device, and an oxidant is arranged in the carbon monoxide purification device, and the oxidant is used for redox reaction with carbon monoxide.
进一步地，所述氧化剂包括碱性矿料。Further, the oxidant includes alkaline mineral material.
进一步地，所述烟气净化入口位于所述加热部的下方，所述烟气净化出口位于所述加热部的上方。Further, the flue gas purification inlet is located below the heating part, and the flue gas purification outlet is located above the heating part.
进一步地，所述加热部包括加热区，所述加热区内设置有加热装 置，加热装置用于将加热区内烟气的温度加热大于350℃，以使烟气中的二噁英被高温分解。Further, the heating part includes a heating zone, and a heating device is arranged in the heating zone, and the heating device is used to heat the temperature of the flue gas in the heating zone to more than 350°C, so that the dioxin in the flue gas is decomposed by high temperature. .
进一步地，所述加热部包括多个加热区，多个所述加热区间隔设置，每一个所述加热区内均设置有一个加热装置。Further, the heating part includes a plurality of heating zones, the plurality of heating zones are arranged at intervals, and each heating zone is provided with a heating device.
进一步地，所述加热部包括：相邻设置的第一加热区和第二加热区，所述第二加热区的温度大于所述第一加热区的温度；所述烟气净化入口为至少一个，所述第一加热区的下方至少设置有一个所述烟气净化入口，所述第二加热区的下方也可设置有一个所述烟气净化入口，所有所述烟气净化入口均与所述烟气出口连通。Further, the heating part includes: a first heating zone and a second heating zone arranged adjacently, the temperature of the second heating zone is greater than the temperature of the first heating zone; the flue gas purification inlet is at least one At least one flue gas purification inlet is arranged below the first heating zone, and one flue gas purification inlet may also be arranged below the second heating zone. All the flue gas purification inlets are connected to all the flue gas purification inlets. The flue gas outlet is connected.
进一步地，所述加热部包括：相邻设置的第一加热区和第二加热区，所述第二加热区的温度大于所述第一加热区的温度；所述烟气净化管路还包括二次净化管路，所述二次净化管路包括二次净化入口和二次净化出口，所述二次净化入口位于第一加热区的上方，所述二次净化出口位于所述第二加热区的下方；所述烟气净化入口位于所述第一加热区的下方，所述烟气净化出口位于所述第二加热区的上方。Further, the heating part includes: a first heating zone and a second heating zone arranged adjacently, the temperature of the second heating zone is greater than the temperature of the first heating zone; the flue gas purification pipeline further includes A secondary purification pipeline, the secondary purification pipeline includes a secondary purification inlet and a secondary purification outlet, the secondary purification inlet is located above the first heating zone, and the secondary purification outlet is located on the second heating zone. The flue gas purification inlet is located below the first heating zone, and the flue gas purification outlet is located above the second heating zone.
进一步地，所述净化装置还包括：第一加热装置，所述第一加热装置设置在所述第一加热区内，所述第一加热装置用于对所述第一加热区内的烟气进行预热，以使烟气温度大于露点温度；第二加热装置，所述第二加热装置设置在所述第二加热区内，所述第二加热装置用于将所述第二加热区内烟气的温度加热大于350℃，以使烟气中的二噁英被高温分解。Further, the purification device further includes: a first heating device, the first heating device is arranged in the first heating zone, and the first heating device is used to treat the flue gas in the first heating zone Preheating is performed so that the flue gas temperature is greater than the dew point temperature; a second heating device, the second heating device is arranged in the second heating zone, and the second heating device is used to heat the second heating zone The temperature of the flue gas is heated to more than 350°C, so that the dioxin in the flue gas is decomposed by high temperature.
进一步地，所述烟气净化装置为立式冷却机，所述立式冷却机包括壳体和熟料添加装置，所述壳体的下部设置有出料口和所述烟气净化入口，所述壳体的上部设置有进料口和所述烟气净化出口。Further, the flue gas purification device is a vertical cooler, the vertical cooler includes a shell and a clinker adding device, the lower part of the shell is provided with a discharge port and the flue gas purification inlet, so The upper part of the shell is provided with a feed inlet and the flue gas purification outlet.
本实用新型的烟气处理设备通过设置烟气净化管路，使熟料烟气经过烟气净化管路的引导后，通过加热部加热和反应部进行反应，使烟气进行净化处理，从而避免环境污染。The flue gas processing equipment of the utility model is provided with flue gas purification pipelines, so that after the clinker flue gas is guided by the flue gas purification pipeline, it is heated by the heating part and reacted by the reaction part, so that the flue gas is purified, thereby avoiding Environmental pollution.
附图说明Description of the drawings
图1是本实用新型实施例的烟气处理设备的结构示意图；Figure 1 is a schematic diagram of the structure of a flue gas treatment device according to an embodiment of the present invention;
图例：10、熟料生产装置；11、烟气出口；20、烟气净化管路；21、烟气净化入口；22、烟气净化出口；23、二次净化管路；231、二 次净化入口；232、二次净化出口；30、烟气净化装置；31、加热部；311、第一加热区；312、第二加热区。Legend: 10. Clinker production device; 11. Flue gas outlet; 20. Flue gas purification pipeline; 21. Flue gas purification inlet; 22. Flue gas purification outlet; 23. Secondary purification pipeline; 231. Secondary purification Inlet; 232, secondary purification outlet; 30, flue gas purification device; 31, heating part; 311, first heating zone; 312, second heating zone.
具体实施方式Detailed ways
下面结合实施例对本实用新型做进一步说明，但不局限于说明书上的内容。In the following, the present utility model will be further described in conjunction with the embodiments, but it is not limited to the content of the description.
如图1所示，本实用新型公开了一种烟气处理设备，包括：熟料生产装置10、烟气净化管路20和烟气净化装置30，熟料生产装置10具有烟气出口11；烟气净化管路20包括对应设置的烟气净化入口21和烟气净化出口22，烟气出口11通过管路与烟气净化入口21连通；烟气净化装置30用于净化烟气，烟气净化装置30设置在烟气净化入口21和烟气净化出口22之间，烟气净化装置30内设置有反应部和加热部31，反应部位于加热部31内部，加热部31用于对熟料生产装置10产生烟气进行加热；反应部用于与加热后的烟气进行反应，以净化烟气。本实用新型的烟气处理设备通过设置烟气净化管路20，使熟料烟气经过烟气净化管路20的引导后，通过加热部31加热和反应部进行反应，使烟气进行净化处理，从而避免环境污染。As shown in Figure 1, the utility model discloses a flue gas processing equipment, including: a clinker production device 10, a flue gas purification pipeline 20 and a flue gas purification device 30, the clinker production device 10 has a flue gas outlet 11; The flue gas purification pipeline 20 includes correspondingly arranged flue gas purification inlets 21 and flue gas purification outlets 22. The flue gas outlet 11 is connected to the flue gas purification inlet 21 through the pipeline; the flue gas purification device 30 is used to purify the flue gas and the flue gas The purification device 30 is arranged between the flue gas purification inlet 21 and the flue gas purification outlet 22. The flue gas purification device 30 is provided with a reaction part and a heating part 31. The reaction part is located inside the heating part 31. The heating part 31 is used to treat the clinker The production device 10 generates flue gas for heating; the reaction part is used to react with the heated flue gas to purify the flue gas. The flue gas processing equipment of the present invention is provided with a flue gas purification pipeline 20, so that the clinker flue gas is guided by the flue gas purification pipeline 20, and is heated by the heating part 31 and reacted by the reaction part, so that the flue gas is purified. , So as to avoid environmental pollution.
在上述实施例中，反应部包括：一氧化碳净化装置，一氧化碳净化装置内设置有氧化剂，氧化剂用于与一氧化碳发生氧化还原反应。本实用新型的烟气处理设备通过在烟气净化装置30内设置一氧化碳净化装置，并在一氧化碳净化装置内设置氧化剂，使氧化剂与烟气中的一氧化碳发生氧化还原反应，将一氧化碳转化为二氧化碳，从而有效脱除烧结烟气中的一氧化碳。In the above embodiment, the reaction part includes: a carbon monoxide purification device, and an oxidant is provided in the carbon monoxide purification device, and the oxidant is used for redox reaction with carbon monoxide. In the flue gas treatment equipment of the present invention, a carbon monoxide purification device is arranged in the flue gas purification device 30, and an oxidant is arranged in the carbon monoxide purification device, so that the oxidant and the carbon monoxide in the flue gas undergo an oxidation-reduction reaction to convert the carbon monoxide into carbon dioxide, thereby Effectively remove carbon monoxide in sintering flue gas.
在上述实施例中，氧化剂包括碱性矿料，例如：氧化铜、氧化铁、氧化亚铁等、氧化锌，在一定温度下，氧化铜与一氧化碳反应生成金属铜与二氧化碳(CO+CuO→CO 2+Cu)，氧化铁与一氧化碳反应生成金属铁与二氧化碳(CO+Fe 2O 3→CO 2+Fe)，氧化亚铁与一氧化碳反应生成金属铁与二氧化碳(CO+FeO→CO 2+Fe)，氧化锌与一氧化碳反应生成金属锌与二氧化碳，从而将一氧化碳转化为二氧化碳，有效脱除烧结烟气中的一氧化碳。另外，烟气中自带的氮氧化物或空气中的氧气也可以作为氧化剂与一氧化碳发生反应，在经过加热部31加热后，一氧化碳与氮氧化物在有催化剂的情况下反应生成氮气和二氧化碳 (CO+NO X→N 2+CO 2)，一氧化碳与氧气反应生成二氧化碳(CO+O 2→CO 2)，从而实现同时脱硝脱一氧化碳，一举多得。其中，反应温度可以根据实际情况改变，本实施例中的反应温度为350℃以上 In the above embodiment, the oxidant includes alkaline mineral materials, such as copper oxide, iron oxide, ferrous oxide, etc., zinc oxide. At a certain temperature, copper oxide reacts with carbon monoxide to produce copper metal and carbon dioxide (CO+CuO→CO 2 +Cu), iron oxide reacts with carbon monoxide to produce metallic iron and carbon dioxide (CO+Fe 2 O 3 →CO 2 +Fe), ferrous oxide reacts with carbon monoxide to produce metallic iron and carbon dioxide (CO+FeO→CO 2 +Fe) , Zinc oxide reacts with carbon monoxide to produce metallic zinc and carbon dioxide, thereby converting carbon monoxide into carbon dioxide, effectively removing carbon monoxide in the sintering flue gas. In addition, nitrogen oxides in the flue gas or oxygen in the air can also be used as oxidants to react with carbon monoxide. After being heated by the heating unit 31, carbon monoxide and nitrogen oxides react with a catalyst to form nitrogen and carbon dioxide ( CO+NO X →N 2 +CO 2 ), carbon monoxide reacts with oxygen to generate carbon dioxide (CO+O 2 →CO 2 ), so as to achieve simultaneous denitrification and carbon monoxide removal. Among them, the reaction temperature can be changed according to the actual situation, the reaction temperature in this embodiment is 350°C or more
在上述实施例中，烟气净化入口21位于加热部31的下方，烟气净化出口22位于加热部31的上方。本实用新型的烟气处理设备，通过将烟气净化入口21和烟气净化出口22分别设置在加热部31的上方和下方，由于烟气加热后自然上升，烟气进入加热部31后可以通过加热部31充分的进行加热并通过反应部净化，而且加热后的烟气上升后，可以直接通过加热部31上方的烟气净化出口22排出，因此，可以保证良好的反应温度，提高烟气的净化效果。In the above embodiment, the flue gas purification inlet 21 is located below the heating part 31 and the flue gas purification outlet 22 is located above the heating part 31. In the flue gas processing equipment of the present invention, the flue gas purification inlet 21 and the flue gas purification outlet 22 are respectively arranged above and below the heating part 31. As the flue gas rises naturally after heating, the flue gas can pass through after entering the heating part 31 The heating part 31 is fully heated and purified by the reaction part, and after the heated flue gas rises, it can be directly discharged through the flue gas purification outlet 22 above the heating part 31. Therefore, a good reaction temperature can be ensured and the flue gas efficiency can be improved. Purifying effect.
在未示出的一个实施例中，加热部31包括加热区，加热区内设置有加热装置，加热装置用于将加热区内烟气的温度加热大于350℃，以使烟气中的二噁英高温分解。本实用新型的烟气处理设备，通过在加热部31内设置加热区，并在加热区内设置加热装置，加热装置内部加装的物质温度大于600℃，烟气穿越加热区时，二噁英被高温分解，一氧化碳被氧化，烟气温度升高到露点温度后，白色烟羽消失，从而实现脱一氧化碳、脱二噁英及脱白的效果。In an embodiment not shown, the heating part 31 includes a heating zone, and a heating device is arranged in the heating zone. The heating device is used to heat the temperature of the flue gas in the heating zone to more than 350°C, so that the dioxins in the flue gas are heated. British high temperature decomposition. In the flue gas processing equipment of the present invention, a heating zone is provided in the heating part 31, and a heating device is arranged in the heating zone. The temperature of the material added in the heating device is greater than 600°C. When the flue gas passes through the heating zone, dioxin After being decomposed by high temperature, carbon monoxide is oxidized. After the flue gas temperature rises to the dew point temperature, the white plume disappears, thereby achieving the effects of carbon monoxide removal, dioxin removal and whitening.
在未示出的另一个实施例中，加热部31包括多个加热区，多个加热区间隔设置，每一个加热区内均设置有一个加热装置。本实用新型的烟气处理设备，通过在加热部31内间隔设置多个加热区，并在每一个加热区内均设置有一个加热装置。每一个加热装置内部加装有用于加温的高温物料层，该高温物料层温度大于600℃，二噁英在穿过大于600℃的物料层时，被物料层的高温分解，同时，使一氧化碳被氧化，烟气温度通过高温物料层加热升高到露点温度以上，使白色烟羽消失。通过设置多个加热装置，可以提高加热效率和反应面积，从而使烟气穿越加热区时，使更多的二噁英被高温分解，更多的一氧化碳被氧化，烟气温度可以更快速地升高到露点温度以上，使白色烟羽消失，从而实现脱一氧化碳、脱二噁英及脱白的效果。In another embodiment not shown, the heating part 31 includes a plurality of heating zones, the plurality of heating zones are arranged at intervals, and each heating zone is provided with a heating device. In the flue gas processing equipment of the present invention, a plurality of heating zones are arranged at intervals in the heating part 31, and a heating device is arranged in each heating zone. Each heating device is equipped with a high-temperature material layer for heating. The temperature of the high-temperature material layer is greater than 600°C. When the dioxin passes through the material layer greater than 600°C, it is decomposed by the high temperature of the material layer, and at the same time, carbon monoxide After being oxidized, the temperature of the flue gas is heated by the high-temperature material layer to above the dew point temperature, causing the white plume to disappear. By installing multiple heating devices, the heating efficiency and reaction area can be improved, so that when the flue gas passes through the heating zone, more dioxins are decomposed by high temperature, more carbon monoxide is oxidized, and the flue gas temperature can rise more quickly. When the temperature is higher than the dew point, the white plume disappears, thereby achieving the effect of removing carbon monoxide, dioxin and whitening.
在未示出的另一个实施例中，加热部31包括：相邻设置的第一加热区311和第二加热区312，第二加热区312的温度大于第一加热区311的温度；烟气净化入口21为至少一个，第一加热区311的下方至 少设置有一个烟气净化入口21，第二加热区312的下方也可设置有一个烟气净化入口21，所有烟气净化入口21均与烟气出口11连通。本实用新型的烟气处理设备，通过将设置烟气净化入口21，可以通过将烟气分布输送至加热部31的不同位置，使烟气与加热部31充分换热，提高加热效率和加热效果，从而使烟气在适合的反应温度，使烟气可以与反应部充分反应净化，从而达到净化烟气的效果。In another embodiment not shown, the heating part 31 includes: a first heating zone 311 and a second heating zone 312 adjacently arranged, the temperature of the second heating zone 312 is greater than the temperature of the first heating zone 311; flue gas There is at least one purification inlet 21, at least one flue gas purification inlet 21 is provided under the first heating zone 311, and a flue gas purification inlet 21 can also be provided under the second heating zone 312. All flue gas purification inlets 21 are connected to The flue gas outlet 11 is connected. In the flue gas processing equipment of the present invention, by setting the flue gas purification inlet 21, the flue gas can be distributed and transported to different positions of the heating part 31, so that the flue gas and the heating part 31 can fully exchange heat, and the heating efficiency and heating effect can be improved , So that the flue gas is at a suitable reaction temperature, so that the flue gas can fully react and purify with the reaction part, thereby achieving the effect of purifying the flue gas.
在图1所示的实施例中，加热部31包括：相邻设置的第一加热区311和第二加热区312，第二加热区312的温度大于第一加热区311的温度；烟气净化管路20还包括二次净化管路23，二次净化管路23包括二次净化入口231和二次净化出口232，二次净化入口231位于第一加热区311的上方，二次净化出口232位于第二加热区312的下方；烟气净化入口21位于第一加热区311的下方，烟气净化出口22位于第二加热区312的上方。本实用新型的烟气处理设备，其加热部31包括相邻设置的第一加热区311和第二加热区312，且第二加热区312的温度大于第一加热区311的温度，加热烟气时，将烟气首先通过温度较低的第一加热区311进行预热和初步净化，再通过设置二次净化管路23，将预热和初步净化后的烟气输送至温度较高的第二加热区312进行二次加热和二次净化，通过二次加热和二次净化，有效提高换热效率和净化效果，保证烟气的脱白效果，同时保证烟气的温度能够达到发生反应的温度，进而保证脱除一氧化碳的效果。In the embodiment shown in FIG. 1, the heating part 31 includes: a first heating zone 311 and a second heating zone 312 adjacently arranged, the temperature of the second heating zone 312 is greater than the temperature of the first heating zone 311; flue gas purification The pipeline 20 also includes a secondary purification pipeline 23. The secondary purification pipeline 23 includes a secondary purification inlet 231 and a secondary purification outlet 232. The secondary purification inlet 231 is located above the first heating zone 311 and the secondary purification outlet 232 It is located below the second heating zone 312; the flue gas purification inlet 21 is located below the first heating zone 311, and the flue gas purification outlet 22 is located above the second heating zone 312. In the flue gas processing equipment of the present invention, the heating part 31 includes a first heating zone 311 and a second heating zone 312 adjacently arranged, and the temperature of the second heating zone 312 is greater than the temperature of the first heating zone 311 to heat the flue gas At this time, the flue gas is preheated and initially purified through the first heating zone 311 with a lower temperature, and then the preheated and initially purified flue gas is transported to the first heating zone 311 with a higher temperature by setting the secondary purification pipeline 23. The second heating zone 312 performs secondary heating and secondary purification. Through the secondary heating and secondary purification, the heat exchange efficiency and purification effect are effectively improved, and the de-whitening effect of the flue gas is ensured. At the same time, the temperature of the flue gas can reach the reaction temperature. Temperature, thereby ensuring the effect of removing carbon monoxide.
在上述实施例中，净化装置还包括：第一加热装置和第二加热装置，第一加热装置设置在第一加热区311内，第一加热装置用于对第一加热区311内的烟气进行预热，以使烟气温度大于露点温度；第二加热装置设置在第二加热区312内，第二加热装置用于将第二加热区312内烟气的温度加热大于350℃，以使烟气中的二噁英高温分解。In the above embodiment, the purification device further includes: a first heating device and a second heating device. The first heating device is arranged in the first heating zone 311, and the first heating device is used to treat the flue gas in the first heating zone 311. Perform preheating so that the flue gas temperature is greater than the dew point temperature; the second heating device is arranged in the second heating zone 312, and the second heating device is used to heat the flue gas temperature in the second heating zone 312 to more than 350°C, so that Dioxins in the flue gas are decomposed at high temperature.
在上述实施例中，烟气净化装置30为立式冷却机，立式冷却机包括壳体和熟料添加装置，壳体的下部设置有出料口和烟气净化入口21，壳体的上部设置有进料口和烟气净化出口22。本实用新型的烟气处理设备，通过设置立式冷却机，可以使冷却熟料的同时，加热烟气并与烟气反应，从而在冷却熟料的同时，使熟料本身与烟气发生反应，净化一氧化碳，从而可以避免增加单独的净化设备，降低生产成本，另 外，立式冷却机可以使熟料均匀的添加，从而提高净化效果。In the above embodiment, the flue gas purification device 30 is a vertical cooler, which includes a shell and a clinker adding device. The lower part of the shell is provided with a discharge port and a flue gas purification inlet 21. The upper part of the shell A feed inlet and a flue gas purification outlet 22 are provided. The flue gas processing equipment of the utility model is equipped with a vertical cooler, which can heat the flue gas and react with the flue gas while cooling the clinker, so that the clinker itself reacts with the flue gas while cooling the clinker , To purify carbon monoxide, which can avoid adding separate purification equipment and reduce production costs. In addition, the vertical cooler can evenly add clinker to improve the purification effect.
根据本实用新型的另一个方面，还公开了一种熟料烟气的处理方法，用于上述的烟气处理设备，包括以下步骤：S10：将熟料生产装置10产生的熟料烟气通至烟气净化管路20，通过烟气净化装置30对熟料烟气进行加热，使烟气温度大于露点温度，以消除白色烟羽；S20：经过加热的熟料烟气继续加热，使熟料烟气温度大于350℃。本实用新型的烟气处理设备，通过将烟气引导至烟气净化装置30加热，从而使烟气温度大于露点温度，有效消除白色烟羽，继续加热后，将烟气加热至350℃以上，使烟气中的二噁英被高温分解，从而达到脱白脱二噁英以及净化一氧化碳的目的。According to another aspect of the present invention, a method for processing clinker flue gas is also disclosed, which is used in the above-mentioned flue gas treatment equipment and includes the following steps: S10: venting the clinker flue gas generated by the clinker production device 10 To the flue gas purification pipeline 20, the clinker flue gas is heated by the flue gas purification device 30 to make the flue gas temperature greater than the dew point temperature to eliminate the white plume; S20: the heated clinker flue gas continues to be heated to make the cooked The temperature of the flue gas is greater than 350°C. The flue gas processing equipment of the present invention guides the flue gas to the flue gas purification device 30 for heating, so that the flue gas temperature is greater than the dew point temperature and effectively eliminates the white plume. After heating continues, the flue gas is heated to 350°C or higher, The dioxin in the flue gas is decomposed by high temperature, so as to achieve the purpose of removing dioxin and purifying carbon monoxide.
显然，本实用新型的上述实施方式仅仅是为清楚地说明本实用新型所作的举例，而并非是对本实用新型的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无法对所有的实施方式予以穷举。凡是属于本实用新型的技术方案所引伸出的显而易见的变化或变动仍处于本实用新型的保护范围之列。Obviously, the above-mentioned embodiments of the present invention are merely examples to clearly illustrate the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not possible to give an exhaustive list of all implementation methods. Any obvious changes or changes derived from the technical solutions of the present utility model are still within the scope of protection of the present utility model.

Claims (10)

  1. 一种烟气处理设备，其特征在于，包括：A flue gas treatment equipment, characterized in that it comprises:
    熟料生产装置(10)，所述熟料生产装置(10)具有烟气出口(11)；A clinker production device (10), the clinker production device (10) has a flue gas outlet (11);
    烟气净化管路(20)，所述烟气净化管路(20)包括对应设置的烟气净化入口(21)和烟气净化出口(22)，所述烟气出口(11)通过管路与所述烟气净化入口(21)连通；A flue gas purification pipeline (20), the flue gas purification pipeline (20) includes a flue gas purification inlet (21) and a flue gas purification outlet (22) provided correspondingly, and the flue gas outlet (11) passes through the pipeline Communicate with the flue gas purification inlet (21);
    烟气净化装置(30)，所述烟气净化装置(30)用于净化烟气，所述烟气净化装置(30)设置在烟气净化入口(21)和烟气净化出口(22)之间，所述烟气净化装置(30)内设置有反应部和加热部(31)，所述反应部位于所述加热部(31)内部，所述加热部(31)用于对所述熟料生产装置(10)产生烟气进行加热；所述反应部用于与加热后的烟气进行反应，以净化烟气。A flue gas purification device (30), the flue gas purification device (30) is used to purify flue gas, and the flue gas purification device (30) is arranged between the flue gas purification inlet (21) and the flue gas purification outlet (22) In the meantime, the flue gas purification device (30) is provided with a reaction part and a heating part (31), the reaction part is located inside the heating part (31), and the heating part (31) is used to treat the cooked The material production device (10) generates flue gas for heating; the reaction part is used to react with the heated flue gas to purify the flue gas.
  2. 根据权利要求1所述的烟气处理设备，其特征在于，所述反应部包括：The flue gas treatment equipment according to claim 1, wherein the reaction part comprises:
    一氧化碳净化装置，所述一氧化碳净化装置内设置有氧化剂，所述氧化剂用于与一氧化碳发生氧化还原反应。The carbon monoxide purification device is provided with an oxidant, and the oxidant is used for redox reaction with carbon monoxide.
  3. 根据权利要求2所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 2, wherein:
    所述氧化剂包括碱性矿料。The oxidizer includes alkaline mineral materials.
  4. 根据权利要求1所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 1, wherein:
    所述烟气净化入口(21)位于所述加热部(31)的下方，所述烟气净化出口(22)位于所述加热部(31)的上方。The flue gas purification inlet (21) is located below the heating part (31), and the flue gas purification outlet (22) is located above the heating part (31).
  5. 根据权利要求2所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 2, wherein:
    所述加热部(31)包括加热区，所述加热区内设置有加热装置，加热装置用于将加热区内烟气的温度加热大于350℃，以使烟气中的二噁英被高温分解。The heating part (31) includes a heating zone, and a heating device is arranged in the heating zone. The heating device is used to heat the temperature of the flue gas in the heating zone to more than 350°C, so that the dioxin in the flue gas is decomposed by high temperature .
  6. 根据权利要求3所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 3, characterized in that:
    所述加热部(31)包括多个加热区，多个所述加热区间隔设置，每一个所述加热区内均设置有一个加热装置。The heating part (31) includes a plurality of heating zones, the plurality of heating zones are arranged at intervals, and each heating zone is provided with a heating device.
  7. 根据权利要求2所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 2, wherein:
    所述加热部(31)包括：相邻设置的第一加热区(311)和第二加热区(312)，所述第二加热区(312)的温度大于所述第一加热区(311)的温度；The heating part (31) includes: a first heating zone (311) and a second heating zone (312) arranged adjacently, and the temperature of the second heating zone (312) is greater than that of the first heating zone (311) temperature;
    所述烟气净化入口(21)为至少一个，所述第一加热区(311)的下方至少设置有一个所述烟气净化入口(21)，所述第二加热区(312)的下方也可设置有一个所述烟气净化入口(21)，所有所述烟气净化入口(21)均与所述烟气出口(11)连通。The flue gas purification inlet (21) is at least one, at least one flue gas purification inlet (21) is provided below the first heating zone (311), and the second heating zone (312) is also One said flue gas purification inlet (21) may be provided, and all said flue gas purification inlets (21) are in communication with said flue gas outlet (11).
  8. 根据权利要求2所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 2, wherein:
    所述加热部(31)包括：相邻设置的第一加热区(311)和第二加热区(312)，所述第二加热区(312)的温度大于所述第一加热区(311)的温度；The heating part (31) includes: a first heating zone (311) and a second heating zone (312) arranged adjacently, and the temperature of the second heating zone (312) is greater than that of the first heating zone (311) temperature;
    所述烟气净化管路(20)还包括二次净化管路(23)，所述二次净化管路(23)包括二次净化入口(231)和二次净化出口(232)，所述二次净化入口(231)位于第一加热区(311)的上方，所述二次净化出口(232)位于所述第二加热区(312)的下方；The flue gas purification pipeline (20) further includes a secondary purification pipeline (23), and the secondary purification pipeline (23) includes a secondary purification inlet (231) and a secondary purification outlet (232). The secondary purification inlet (231) is located above the first heating zone (311), and the secondary purification outlet (232) is located below the second heating zone (312);
    所述烟气净化入口(21)位于所述第一加热区(311)的下方，所述烟气净化出口(22)位于所述第二加热区(312)的上方。The flue gas purification inlet (21) is located below the first heating zone (311), and the flue gas purification outlet (22) is located above the second heating zone (312).
  9. 根据权利要求7或8所述的烟气处理设备，其特征在于，所述净化装置还包括：The flue gas treatment equipment according to claim 7 or 8, wherein the purification device further comprises:
    第一加热装置，所述第一加热装置设置在所述第一加热区(311)内，所述第一加热装置用于对所述第一加热区(311)内的烟气进行预热，以使烟气温度大于露点温度；A first heating device, the first heating device is arranged in the first heating zone (311), and the first heating device is used to preheat the flue gas in the first heating zone (311), To make the flue gas temperature greater than the dew point temperature;
    第二加热装置，所述第二加热装置设置在所述第二加热区(312)内，所述第二加热装置用于将所述第二加热区(312)内烟气的温度加热大于350℃，以使烟气中的二噁英被高温分解。The second heating device, the second heating device is arranged in the second heating zone (312), and the second heating device is used to heat the temperature of the flue gas in the second heating zone (312) to more than 350 ℃, so that the dioxin in the flue gas is decomposed by high temperature.
  10. 根据权利要求1所述的烟气处理设备，其特征在于，The flue gas treatment equipment according to claim 1, wherein:
    所述烟气净化装置(30)为立式冷却机，所述立式冷却机包括壳体和熟料添加装置，所述壳体的下部设置有出料口和所述烟气净化入口(21)，所述壳体的上部设置有进料口和所述烟气净化出口(22)。The flue gas purification device (30) is a vertical cooler, and the vertical cooler includes a shell and a clinker adding device. The lower part of the shell is provided with a discharge port and the flue gas purification inlet (21 ), the upper part of the shell is provided with a feed inlet and the flue gas purification outlet (22).
PCT/CN2020/098489 2019-07-02 2020-06-28 Flue gas treatment apparatus for treating co, dioxin, and white smoke plume WO2021000796A1 (en)

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CN114383428A (en) * 2020-10-22 2022-04-22 南京华电节能环保股份有限公司 Energy-saving and environment-friendly treatment process for carbon flue gas
CN113332841B (en) * 2021-05-20 2022-02-08 华北理工大学 Carbon monoxide treatment process
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