WO2019047609A1 - 一种用于锅炉节能减排的喷雾设备 - Google Patents

一种用于锅炉节能减排的喷雾设备 Download PDF

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Publication number
WO2019047609A1
WO2019047609A1 PCT/CN2018/094602 CN2018094602W WO2019047609A1 WO 2019047609 A1 WO2019047609 A1 WO 2019047609A1 CN 2018094602 W CN2018094602 W CN 2018094602W WO 2019047609 A1 WO2019047609 A1 WO 2019047609A1
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nozzle
synthetic agent
emission reduction
siphon
energy saving
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PCT/CN2018/094602
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English (en)
French (fr)
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田晋升
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田晋升
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • 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
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors 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
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact

Definitions

  • the utility model belongs to an environmental protection facility applied on a boiler, in particular to a spray device for energy saving and emission reduction.
  • Boiler combustion produces exhaust gases and fumes, which are an important source of atmospheric pollutants.
  • a large amount of exhaust gas and flue gas will be discharged into the atmosphere if they are not treated, which will inevitably degrade the quality of the atmospheric environment.
  • Common exhaust gases contain a lot of particulate matter, smoke, etc.
  • the toxic and harmful substances in the exhaust gas can enter the human body through the respiratory tract and skin. Long-term low concentration or short-term high-concentration contact can cause temporary and permanent respiratory and blood, liver and other systems and organs. Sexual lesions, seriously polluting the environment and affecting human health, cause serious harm to human life and cause huge losses to the national economy.
  • the treatment device for the exhaust gas and the flue gas of the boiler can have a good effect, the processing equipment is complicated and cumbersome, and the processing cost is high. Therefore, it is necessary to actively improve the existing processing equipment to make the exhausted flue gas cleaner, clean and environmentally friendly, and to save energy.
  • the object of the present invention is to propose a device for energy saving and emission reduction applied on a boiler, which makes up for the shortcomings of the existing boiler emission reduction facilities.
  • a spray device for energy saving and emission reduction of a boiler is integrally enclosed in a casing composed of a casing of the device, and a supporting partition plate and a nozzle supporting partitioning plate are respectively erected on both sides of the casing, and are supported between the upper and lower casings.
  • a lower space between the support spacer and the nozzle support spacer forms a synthetic agent storage chamber, which is separated by the support spacer and the nozzle support spacer;
  • the synthetic agent storage chamber is filled with a chemical synthetic agent; and the nozzle supports the inside of the spacer
  • a synthetic agent siphon chamber is arranged at the lower part;
  • a high-pressure gas pipeline is arranged on the nozzle supporting partition plate, the outer end of the high-pressure gas pipeline is connected to the air compressor, the inner end is connected to the inner side of the nozzle supporting partition plate, and is connected to the siphon provided in the synthetic agent a nozzle above the chamber;
  • a siphon device having a lower end inserted in the synthesizer siphon chamber, a liquid outlet of the siphon device disposed in the space of the upper portion of the synthesizer siphon chamber, and a nozzle forming a spray device;
  • the other side of the spray device is provided with a return flow guiding tube, the return flow guiding tube is connected with an atom
  • Vent holes are designed on the nozzle support spacer.
  • the synthetic agent siphon chamber is provided with a small hole or a small opening, and the synthetic agent siphon inner wall is provided with a filter mesh of 80 mesh to 600 mesh.
  • the spray device as a whole utilizes a nozzle to support the separator as a support.
  • a synthetic filter device is provided at the bottom of the siphon facility.
  • the return flow conduit passes through the support spacer and is supported by the support spacer.
  • a replenisher replenishing valve is attached to the upper portion between the support spacer and the nozzle support spacer.
  • a sprayer cover is placed on top of the device housing.
  • the spray equipment is simple in process and easy to operate, and is suitable for various tonnage boilers, hot rolling furnaces, gas generators, etc., and all boilers need to be used. It can be used in thermal power plants, glass factories, ceramic factories, food factories, paper mills, cement plants, coking plants, brick factories, various smelters, hot rolling mills, galvanizing plants, domestic heating and other industries. In short, everything There are boilers that need to be used.
  • the spray equipment is safe and practical, low in cost, easy to install and maintain, can reduce pollution by more than 80%, and save about 10% of energy.
  • Figure 1 is a schematic view of the structure of the present invention.
  • the spray device for energy saving and emission reduction of the boiler is designed according to the "atomization" mode required for chemical synthesis agent and energy combustion.
  • the chemical synthetic agent must adapt to the molecular structure of energy such as coal, heavy oil (including light oil), natural gas, biomass, etc., it is necessary to make the synthetic agent particles reach or close to the nanometer level, and the atomization effect is good, so that it can be combined with various energy sources at high temperatures.
  • a "polymerization reaction” is produced to achieve the purpose of reducing emissions and saving energy.
  • a spray device for energy saving and emission reduction of a boiler which is integrally enclosed in a casing composed of the device casing 1.
  • a support spacer 2 and a nozzle support spacer 11 are respectively stood up and supported between the upper and lower housings.
  • the lower space between the support spacer 2 and the nozzle support spacer 11 forms a synthetic agent storage chamber 3, which is isolated by the support spacer 2 and the nozzle support spacer 11.
  • the synthetic agent storage chamber 3 contains a chemical synthetic agent.
  • a vent hole is formed in the nozzle supporting partition plate 11, and a synthetic agent syphon chamber 12 is disposed on the inner lower portion thereof, and is in close contact with the nozzle supporting partitioning plate 11.
  • the synthetic syphon chamber 12 is provided with a small hole or a small opening around it to facilitate the entry of the synthetic liquid.
  • the inner wall of the synthetic syphon chamber 12 is provided with a filter mesh of 80 mesh to 600 mesh to ensure that other foreign matter does not enter.
  • a high pressure gas pipe 6 is provided between the nozzle supporting partitioning plate 11 and the side wall of the apparatus casing 1.
  • the outer end of the high-pressure gas pipe 6 leads to the outside of the equipment casing 1, is connected to the air compressor 15, and the inner end opens to the inside of the nozzle supporting partition 11 and is connected to the nozzle 5 provided above the synthesizing siphon chamber 12.
  • the air compressor 15 supplies a stable, continuous high pressure gas to the nozzle 5, requiring an air pressure in the range of 0.1 kg/cm2 to 12 kg/cm2.
  • a siphon tube assembly 14 having a lower end inserted in the synthesizer siphon chamber 12, the liquid outlet of the siphon tube assembly 14 is disposed in the space of the upper portion of the synthesizer siphon chamber 12, and the nozzle 5 constitutes a spray device.
  • the spray device as a whole uses a nozzle to support the separator 11 as a support.
  • a synthetic filter device 4 is provided at the bottom of the siphon facility 14 to ensure that debris does not enter it.
  • the spray device converts the synthetic agent liquid into “fog” of various particle sizes and sprays it into the return flow guiding tube 9 on the support spacer 2.
  • the "fog” particles have diameters ranging from 20 microns to nanometers.
  • a return flow guiding tube 8 is provided on the other side of the spraying device.
  • the return flow guiding tube 8 passes through the supporting partitioning plate 2 and is supported by the supporting partitioning plate 2, and the returning guiding tube 8 and an atomizing diversion tube
  • the tube 9 is connected, and the atomizing draft tube 9 is connected to the outside of the equipment casing 1, and is connected to the blower inlet of the boiler, and the atomizer is input into the boiler combustion chamber through the blower.
  • the function of the return flow guiding tube 8 is that the high pressure spray has a large amount of large liquid liquid, which is filtered by the return flow guiding tube 8 to form a liquid and returned to the synthetic agent storage chamber 3 of the casing, and the small particle mist directly enters the atomizing diversion flow.
  • Tube 9. The atomizing draft tube 9 leads to the air inlet of the blower, and the small particle mist is sent to the blower. In the atomizing draft tube 9, there is still a large amount of mist that will condense into a liquid and flow back into the casing through the pipe.
  • a synthetic agent replenishing valve 10 is attached to the upper portion between the supporting partitioning plate 2 and the nozzle supporting partitioning plate 11 to add the chemical synthetic agent to the synthetic agent storage chamber 3.
  • the synthetic agent liquid is continuously consumed.
  • the synthetic agent replenishing valve 10 automatically opens the replenishing synthetic liquid, and when the synthetic liquid reaches the prescribed height, the valve automatically closes. This repeatedly guarantees that the device operates normally and stably.
  • a sprayer cover 7 is provided on the top of the equipment casing 1 for installation, commissioning, observation and isolation of debris entry.
  • Four sprayer footings 13 are attached to the bottom of the device housing 1.
  • Equipment casing 1 A, the shape is square, rectangular, barrel, round or rectangular; B, the material is ordinary steel, stainless steel, alloy, etc., surface spray paint, PU, PE, PV, PG or PVC and other materials.
  • Supporting insulation board 2 The material is ordinary steel, stainless steel or alloy, etc., surface spray paint, PU, PE, PV, PG or PVC.
  • Synthetic agent storage chamber 3 The material is metal, non-metal or alloy.
  • Nozzle 5 A, the material is stainless steel or alloy; B, the flow nozzle can be adjusted behind the nozzle, and the flow rate can be fixed through the nozzle diameter.
  • High-pressure gas pipeline 6 The material is metal pipeline or non-metal pipeline such as PU, PE, PV, PG and other pipelines.
  • Sprayer cover 7 The material is stainless steel, ordinary steel, alloy or non-metal.
  • Reflux draft tube 8 The material is metal or non-metal PVC, PU, PV, PG, etc.
  • Atomization guide tube 9 The material is metal or non-metal PVC, PU, PV, PG, and the like.
  • the nozzle supports the separator 11: the material is metal, alloy or non-metal.
  • Synthetic siphon chamber 12 (equivalent to watering can): The material is metal, alloy or non-metal.
  • Sprayer footing 13 The footing is a fixed base foot or a height-adjustable fixing foot.
  • the device changes the chemical synthesizer liquid of the synthetic agent storage chamber 3 into a gas, and requires the "atomized” particles to reach a nanometer level, and the atomized synthetic agent passes through the air inlet of the boiler blower directly from the atomizing draft tube 9. Enter the boiler combustion chamber to achieve the task of energy saving and emission reduction.

Abstract

一种用于锅炉节能减排的喷雾设备，整体包封在由设备外壳组成的机箱中，在机箱内两侧，分别竖立一块支撑隔离板和一块喷嘴支撑隔离板，它们的下部空间形成合成剂储藏室。在机箱中设有一个合成剂虹吸室；合成剂虹吸室上方的喷嘴与虹吸管设施组成喷雾装置。本申请的回流导流管、雾化导流管与锅炉的鼓风机进风口相接。本喷雾设备工艺简单，便于操作，适合各种吨位锅炉、热轧炉、煤气发生炉等的应用。本喷雾设备安全实用，成本低廉，便于安装和维护，可以减少80％以上的污染，节约10％左右的能源。

Description

一种用于锅炉节能减排的喷雾设备 技术领域
本实用新型属于锅炉上应用的环保设施，具体是一种节能减排的喷雾设备。
背景技术
锅炉燃烧会产生废气和烟气，它是大气污染物的重要来源之一。大量废气和烟气如果未经处理达标后排入大气，必然使大气环境质量下降。常见的废气中含有大量的颗粒物、烟尘等，废气中有毒有害物质可通过呼吸道和皮肤进入人体，长期低浓度或短期高浓度接触可造成人体的呼吸、血液、肝脏等系统和器官暂时性和永久性病变，严重污染环境和影响人体健康，给人类生活带来严重危害，给国民经济造成巨大损失。目前，对于锅炉的废气和烟气的处理装置虽能起到较好的效果，但处理设备都较复杂笨重，处理成本较高。因此，需要积极改进现有处理装置，使排放的烟气更加干净、清洁和环保，而且能起到节能作用。
发明内容
有鉴于此，本实用新型的目的是提出一种锅炉上应用的节能减排的设备，它弥补了现有的锅炉减排设施的缺点。
本实用新型的技术方案是：
一种用于锅炉节能减排的喷雾设备，整体包封在由设备外壳组成的机箱中，在机箱内两侧，分别竖立一块支撑隔离板和一块喷嘴支撑隔离板，支撑在上下壳体之间；支撑隔离板和喷嘴支撑隔离板之间的下部空间形成合成剂储藏室，由支撑隔离板和喷嘴支撑隔离板隔离在其中；合成剂储藏室中装有化学合成剂；在喷嘴支撑隔离板内侧下部设有一个合成剂虹吸室；在喷嘴支撑隔离板上设有一高压气管道，高压气管道外端连接至空气压缩机，内端通入到喷嘴支撑隔离板的内侧，连接到设于合成剂虹吸室上方的喷嘴；在喷嘴下面设有一下端插入在合成剂虹吸室中的虹吸管设施，虹吸管设施的出液口设置在合成剂虹吸室上部的机箱空间中，和喷嘴组成喷雾装置；在所述的喷雾装置的另一侧，设有一回流导流管，回流导流管与一雾化导流管连通，雾化导流管与设备外壳外部的锅炉的鼓风机进风口相接。
在喷嘴支撑隔离板上设计有通气孔。
合成剂虹吸室周围均设有小孔或小口，合成剂虹吸室内壁设有80目至600目的 过滤纱网。
喷雾装置整体利用喷嘴支撑隔离板作为支撑。
虹吸管设施底部设有合成剂过滤装置。
回流导流管穿过支撑隔离板，并由支撑隔离板支撑。
在支撑隔离板和喷嘴支撑隔离板之间的上部安有合成剂补充阀。
在设备外壳顶部设置有喷雾机盖板。
在设备外壳底部安有四个喷雾机基脚。
本喷雾设备工艺简单，便于操作，适合各种吨位锅炉、热轧炉、煤气发生炉等的应用，凡是有锅炉的都需要使用。它可使用在热电厂、玻璃厂、陶瓷厂、食品厂、纸厂、水泥厂、焦化厂、砖瓦厂、各种冶炼厂、热轧厂、镀锌厂、生活供暖等工业上,总之，凡是有锅炉的都需要使用。本喷雾设备安全实用，成本低廉，便于安装和维护，可以减少80％以上的污染，节约10％左右的能源。
附图说明
图1是本实用新型的结构示意图。
图中：1.设备外壳，2.支撑隔离板，3.合成剂储藏室，4.合成剂过滤装置，5.喷嘴，6.高压气管道，7.喷雾机盖板，8.回流导流管，9.雾化导流管，10.合成剂补充阀，11.喷嘴支撑隔离板，12.合成剂虹吸室，13.喷雾机基脚，14.虹吸管设施，15.空气压缩机。
具体实施方式
本实用新型一种用于锅炉节能减排的喷雾设备是按照化学合成剂与能源燃烧所需要的“雾化”模式而设计的。考虑到化学合成剂必须适应煤炭、重油(含轻质油)、天然气、生物质等能源的分子结构，必须使合成剂颗粒达到或接近纳米级，雾化效果好，才能与各种能源在高温的条件下，产生“聚合反应”，从而达到减排和节能的目的。
本实用新型的结构可参见图1：一种用于锅炉节能减排的喷雾设备，整体包封在由设备外壳1组成的机箱中。在机箱内两侧，分别竖立一块支撑隔离板2和一块喷嘴支撑隔离板11，支撑在上下壳体之间。支撑隔离板2和喷嘴支撑隔离板11之间的下部空间形成合成剂储藏室3，由支撑隔离板2和喷嘴支撑隔离板11隔离在其中。合成剂储藏室3中装有化学合成剂。在喷嘴支撑隔离板11上设计有通气孔，其内侧下部设有一个合成剂虹吸室12，紧贴在喷嘴支撑隔离板11上。合成剂虹吸室12周围均设 有小孔或小口，便于合成剂液体的进入。合成剂虹吸室12内壁设有80目至600目的过滤纱网，以保证其他杂物不会进入其中。在喷嘴支撑隔离板11的外侧，位于喷嘴支撑隔离板11和设备外壳1的侧壁之间设有一高压气管道6。高压气管道6外端通向设备外壳1外，连接至空气压缩机15，内端通入到喷嘴支撑隔离板11的内侧，连接到设于合成剂虹吸室12上方的喷嘴5。空气压缩机15给喷嘴5提供稳定的、连续不断的高压气体，要求空气压力在0.1公斤/cm2至12公斤/cm2范围。在喷嘴5下面设有一下端插入在合成剂虹吸室12中的虹吸管设施14，虹吸管设施14的出液口设置在合成剂虹吸室12上部的机箱空间中，和喷嘴5组成喷雾装置。喷雾装置整体利用喷嘴支撑隔离板11作为支撑。虹吸管设施14底部设有合成剂过滤装置4，以保证杂物不会进入其中。当空气压缩机15将高压气体输入到喷嘴5，喷雾装置将合成剂液体转化为各种粒径的“雾”喷入到支撑隔离板2上的回流导流管9中。该“雾”的颗粒直径在20微米至纳米级。在所述的喷雾装置的另一侧，设有一回流导流管8，回流导流管8穿过支撑隔离板2，并由支撑隔离板2支撑，回流导流管8与一雾化导流管9连通，雾化导流管9通到设备外壳1的外部，与锅炉的鼓风机进风口相接，将雾化器通过鼓风机输入到锅炉燃烧室中。回流导流管8的作用是：高压喷雾会有很多大颗粒液体，通过回流导流管8过滤后形成液体重新回到机箱的合成剂储藏室3内，小颗粒的雾直接进入雾化导流管9。雾化导流管9通往鼓风机的进风口，则将小颗粒的雾送入鼓风机。在雾化导流管9中仍然不断有大颗粒雾会凌结成液体，通过该管道回流到机箱内。由于合成剂雾化形成后，会有20％左右的大颗粒，这些大颗粒必须回流到合成剂储藏室3能够循环雾化，因而设计了雾化回流导流管8和雾化导流管9。在支撑隔离板2和喷嘴支撑隔离板11之间的上部安有合成剂补充阀10，以将化学合成剂添补到合成剂储藏室3中。当喷雾设备开始工作后，会不断消耗合成剂液体，当液体下降到规定的位置时，合成剂补充阀10会自动打开补充合成剂液体，当合成剂液体达到规定高度时，该阀门会自动关闭，如此反复保证该设备正常稳定运行。在设备外壳1顶部设置有喷雾机盖板7，用于安装、调试、观察及隔离杂物进入等。在设备外壳1底部安有四个喷雾机基脚13。
本节能减排的喷雾设备的相关指标为：
设备外壳1：A、形状为方形、长方形、桶形、圆形或矩形等；B、材料为普通钢、不锈钢、合金等，表面喷涂漆、PU、PE、PV、PG或PVC等材料。
支撑隔离板2：材料为普通钢材、不锈钢或合金等，表面喷涂漆、PU、PE、PV、 PG或PVC等材料。
合成剂储藏室3：材料为金属、非金属或合金等。
喷嘴5：A、材料为不锈钢或合金等；B、喷嘴后面可带有流量调节旋钮，也可通过喷嘴直径固定流量。
高压气管道6：材料为金属管道或非金属管道如PU、PE、PV、PG等管道。
喷雾机盖板7：材料为不锈钢、普通钢、合金或非金属等。
回流导流管8：材料为金属或非金属PVC、PU、PV、PG等。
雾化导流管9：材料为金属或非金属PVC、PU、PV、PG等。
喷嘴支撑隔离板11：材料为金属、合金或非金属等。
合成剂虹吸室12(相当于喷壶)：材料为金属、合金或非金属等。
喷雾机基脚13：基脚为可调节高度基脚或不可调节高度的固定基脚。
本设备是将合成剂储藏室3的化学合成剂液体改变为气体，并要求“雾化”颗粒达到接近纳米级，雾化后的合成剂，由雾化导流管9直接通过锅炉鼓风机进风口进入锅炉燃烧室，实现节能减排的任务。

Claims (9)

  1. 一种用于锅炉节能减排的喷雾设备，整体包封在由设备外壳组成的机箱中，其特征在于：在机箱内两侧，分别竖立一块支撑隔离板和一块喷嘴支撑隔离板，支撑在上下壳体之间；支撑隔离板和喷嘴支撑隔离板之间的下部空间形成合成剂储藏室，由支撑隔离板和喷嘴支撑隔离板隔离在其中；合成剂储藏室中装有化学合成剂；在喷嘴支撑隔离板内侧下部设有一个合成剂虹吸室；在喷嘴支撑隔离板上设有一高压气管道，高压气管道外端连接至空气压缩机，内端通入到喷嘴支撑隔离板的内侧，连接到设于合成剂虹吸室上方的喷嘴；在喷嘴下面设有一下端插入在合成剂虹吸室中的虹吸管设施，虹吸管设施的出液口设置在合成剂虹吸室上部的机箱空间中，和喷嘴组成喷雾装置；在所述的喷雾装置的另一侧，设有一回流导流管，回流导流管与一雾化导流管连通，雾化导流管与设备外壳外部的锅炉的鼓风机进风口相接。
  2. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：在喷嘴支撑隔离板上设计有通气孔。
  3. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：合成剂虹吸室周围均设有小孔或小口，合成剂虹吸室内壁设有80目至600目的过滤纱网。
  4. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：喷雾装置整体利用喷嘴支撑隔离板作为支撑。
  5. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：虹吸管设施底部设有合成剂过滤装置。
  6. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：回流导流管穿过支撑隔离板，并由支撑隔离板支撑。
  7. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：在支撑隔离板和喷嘴支撑隔离板之间的上部安有合成剂补充阀。
  8. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：在设备外壳顶部设置有喷雾机盖板。
  9. 根据权利要求1所述的用于锅炉节能减排的喷雾设备，其特征在于：在设备外壳底部安有四个喷雾机基脚。
PCT/CN2018/094602 2017-09-07 2018-07-05 一种用于锅炉节能减排的喷雾设备 WO2019047609A1 (zh)

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