CN209576297U - Multifunctional garbage incineration tail gas purifies unit - Google Patents
Multifunctional garbage incineration tail gas purifies unit Download PDFInfo
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- 239000000428 dust Substances 0.000 claims abstract description 82
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 10
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 10
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 10
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 238000004056 waste incineration Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000010791 domestic waste Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 231100000357 carcinogen Toxicity 0.000 description 2
- 239000003183 carcinogenic agent Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Treating Waste Gases (AREA)
Abstract
一种多功能垃圾焚烧尾气净化机组，其特征是由进出口压差系统、检修电动葫芦、喷吹装置、净气室、中箱体、除尘器进口阀门、活性炭喷入口、消石灰喷入口、进口测温元件、除尘器进口管道、布袋及框架、圈梁支座、灰斗、空气炮、卸灰阀、刮板输灰机、热循环风机、加热器、循环加热出口管道阀门、灰斗伴热系统、循环加热出口管道、循环加热进口管道、循环加热进口管道阀门、除尘器出口管道、出口测温元件、除尘器出口阀门、除尘风机、烟囱组成。
A multi-functional garbage incineration tail gas purification unit, characterized by an inlet and outlet pressure difference system, an electric hoist for maintenance, a blowing device, a clean air chamber, a middle box, a dust collector inlet valve, an activated carbon injection inlet, a slaked lime injection inlet, an inlet Temperature measuring element, dust collector inlet pipe, cloth bag and frame, ring beam support, ash hopper, air cannon, ash unloading valve, scraper ash conveyor, heat circulation fan, heater, circulation heating outlet pipe valve, ash hopper companion Thermal system, circulation heating outlet pipeline, circulation heating inlet pipeline, circulation heating inlet pipeline valve, dust collector outlet pipeline, outlet temperature measuring element, dust collector outlet valve, dust removal fan, and chimney.
Description
技术领域technical field
本实用新型涉及除尘设备技术领域，尤其是多功能垃圾焚烧尾气净化机组。The utility model relates to the technical field of dust removal equipment, in particular to a multifunctional waste incineration tail gas purification unit.
背景技术Background technique
由于生活垃圾焚烧产生的烟尘具有如下特点:The smoke and dust produced by domestic waste incineration have the following characteristics:
1. 烟气含湿量大。这是因为生活垃圾中原本的含水量就大，而且在燃烧中一些碳氢化合物也生成水汽。一般含湿量在23～30%。1. The flue gas has a high moisture content. This is because the original water content in domestic waste is large, and some hydrocarbons also generate water vapor during combustion. Generally, the moisture content is 23-30%.
2. 因垃圾成分复杂，燃烧后产生的烟尘中有毒、有害成分也复杂，其中包括一些微量的金属，如汞、镉、铅、钼、铬、镍、铜……。而且产生的颗粒物的粒度也较细，粘度还高。2. Due to the complex composition of garbage, the toxic and harmful components in the smoke generated after combustion are also complex, including some trace metals, such as mercury, cadmium, lead, molybdenum, chromium, nickel, copper... Moreover, the particle size of the produced particles is also relatively fine, and the viscosity is also high.
3. 烟气成分也复杂。与燃煤锅炉不同，它不但含有O2、SOx、CO2、NOx等外，还有HCl、HF等酸性气体，水蒸汽，总烃(THC)。3. The composition of flue gas is also complex. Different from coal-fired boilers, it not only contains O2, SOx, CO2, NOx, etc., but also acid gases such as HCl, HF, water vapor, and total hydrocarbons (THC).
4. 由于燃烧中还可能产生二恶英和呋喃等致癌物质，对人体极其有害。一般都在袋式除尘器前喷入活性炭来吸附，这也要注意。4. Because carcinogens such as dioxin and furan may be produced during combustion, they are extremely harmful to the human body. Generally, activated carbon is sprayed in front of the bag filter for adsorption, which should also be paid attention to.
从以上特点可以看出，生活垃圾焚烧烟气净化和除尘既具有相当大的难度，而目前的常规垃圾焚烧烟气净化和除尘器无法满足垃圾焚烧烟气的工况要求。此问题一直没有好的解决方案。From the above characteristics, it can be seen that the purification and dust removal of domestic waste incineration flue gas are quite difficult, and the current conventional waste incineration flue gas purification and dust collectors cannot meet the working conditions of waste incineration flue gas. There has been no good solution to this problem.
发明内容Contents of the invention
针对目前生活垃圾焚烧产生的烟尘烟气含湿量大；燃烧后产生的烟尘中有毒、有害成分也复杂，其中包括一些微量的金属，如汞、镉、铅、钼、铬、镍、铜……。而且产生的颗粒物的粒度也较细，粘度还高；烟气成分也复杂；燃烧中还可能产生二恶英和呋喃等致癌物质，对人体极其有害的特点。常规尾气净化设备无法满足其工况且对尾气的净化处理效果差，除尘效率低，尾气排放达不到现行的环保要求标准的问题，公开一种多功能垃圾焚烧尾气净化机组。In view of the high moisture content of the flue gas generated by the current domestic waste incineration; the toxic and harmful components in the smoke generated after combustion are also complex, including some trace metals, such as mercury, cadmium, lead, molybdenum, chromium, nickel, copper... … Moreover, the particle size of the generated particles is also relatively fine, and the viscosity is still high; the composition of the smoke is also complex; carcinogens such as dioxins and furans may also be produced during combustion, which is extremely harmful to the human body. Conventional exhaust gas purification equipment cannot meet its working conditions and has poor purification treatment effect on exhaust gas, low dust removal efficiency, and exhaust gas emissions that cannot meet the current environmental protection requirements. A multifunctional garbage incineration exhaust gas purification unit is disclosed.
一种多功能垃圾焚烧尾气净化机组，其特征是由进出口压差系统（1）、检修电动葫芦（2）、喷吹装置（3）、净气室（4）、中箱体（5）、除尘器进口阀门（6）、活性炭喷入口（7）、消石灰喷入口（8）、进口测温元件（9）、除尘器进口管道（10）、布袋及框架（11）、圈梁支座（12）、灰斗（13）、空气炮（14）、卸灰阀（15）、刮板输灰机（16）、热循环风机（17）、加热器（18）、循环加热出口管道阀门（19）、灰斗伴热系统（20）、循环加热出口管道（21）、循环加热进口管道（22）、循环加热进口管道阀门（23）、除尘器出口管道（24）、出口测温元件（25）、除尘器出口阀门（26）、除尘风机（27）、烟囱（28）组成；进出口压差系统（1）与除尘器进口管道（10）及除尘器出口管道（24）连接；除尘器进口管道（10）上设有除尘器进口阀门（6）、活性炭喷入口（7）、消石灰喷入口（8）、进口测温元件（9）；除尘器出口管道（24）上设有出口测温元件（25）、除尘器出口阀门（26）；除尘器出口管道（24）与除尘风机（27）连接；除尘风机（27）与烟囱（28）连接；循环加热进口管道（22）与除尘器出口管道（24）连通经热循环风机（17）、加热器（18）进入灰斗（13）；加热器（18）后端设有循环加热出口管道阀门（19）；热循环风机（17）前端设有循环加热进口管道阀门（23）；灰斗（13）上设有空气炮（14）、灰斗伴热系统（20）；灰斗（13）底部与卸灰阀（15）连接；卸灰阀（15）与刮板输灰机（16）连接；灰斗（13）与圈梁支座（12）连接；圈梁支座（12）与中箱体（5）连接；中箱体（5）内安装有布袋及框架（11）；中箱体（5）上顶与净气室（4）连接；净气室（4）上设有喷吹装置（3）、检修电动葫芦（2）。A multi-functional garbage incineration exhaust gas purification unit, characterized by an inlet and outlet pressure difference system (1), an electric hoist for maintenance (2), a blowing device (3), a clean air chamber (4), and a middle box (5) , Dust collector inlet valve (6), activated carbon injection inlet (7), slaked lime injection inlet (8), inlet temperature measuring element (9), dust collector inlet pipe (10), cloth bag and frame (11), ring beam support (12), ash hopper (13), air cannon (14), ash discharge valve (15), scraper ash conveyor (16), heat circulation fan (17), heater (18), circulation heating outlet pipe valve (19), ash hopper heating system (20), circulating heating outlet pipe (21), circulating heating inlet pipe (22), circulating heating inlet pipe valve (23), dust collector outlet pipe (24), outlet temperature measuring element (25), the dust collector outlet valve (26), the dust removal fan (27), and the chimney (28); the inlet and outlet pressure difference system (1) is connected to the dust collector inlet pipe (10) and the dust collector outlet pipe (24); The dust collector inlet pipe (10) is provided with a dust collector inlet valve (6), an activated carbon injection inlet (7), a slaked lime injection inlet (8), and an inlet temperature measuring element (9); the dust collector outlet pipe (24) is provided with Outlet temperature measuring element (25), dust collector outlet valve (26); dust collector outlet pipe (24) is connected to dust removal fan (27); dust removal fan (27) is connected to chimney (28); circulation heating inlet pipe (22) It is connected with the dust collector outlet pipe (24) and enters the ash hopper (13) through the heat circulation fan (17) and the heater (18); the heater (18) is equipped with a circulating heating outlet pipe valve (19); (17) The front end is equipped with a circulating heating inlet pipeline valve (23); the ash hopper (13) is equipped with an air cannon (14) and ash hopper heating system (20); the bottom of the ash hopper (13) is connected with the ash discharge valve (15) ) connection; the ash discharge valve (15) is connected with the scraper ash conveyor (16); the ash hopper (13) is connected with the ring beam support (12); the ring beam support (12) is connected with the middle box (5) ; The middle box (5) is equipped with a cloth bag and a frame (11); the top of the middle box (5) is connected with the clean air chamber (4); the clean air chamber (4) is provided with a blowing device (3), Overhaul electric hoist (2).
一种多功能垃圾焚烧尾气净化机组的工作原理：含尘烟气从除尘器进口管道进入中箱体内，并在导流装置的导流下，颗粒的粉尘被分离，直接落入灰斗。随着过滤工况的进行，滤袋上的粉尘越积越多，当设备阻力达到限定的阻力值（设定为1500Pa 可调）时，进行停风喷吹，让空气进入喷吹管，然后通过喷吹管上的喷吹孔射入滤袋袋笼内，在高速气流及成倍的诱导气流的作用下，滤袋迅速向外膨胀，接着又吸瘪，致使加速的粉尘尘块与滤袋分离。被分离的粉尘由排灰机构排出。中体箱布置在中间的形式，既满足了场地布置，而且使气流分布更为均匀，从而使清灰更为彻底；方便用户今后的维护及延长设备的使用寿命。The working principle of a multi-functional garbage incineration exhaust gas purification unit: the dust-laden flue gas enters the middle box from the inlet pipe of the dust collector, and under the diversion of the diversion device, the dust of the particles is separated and directly falls into the ash hopper. As the filtering process progresses, the dust on the filter bag accumulates more and more. When the resistance of the equipment reaches the limited resistance value (adjustable at 1500Pa), stop the air blowing, let the air enter the blowing pipe, and then pass through the The injection hole on the injection pipe is injected into the filter bag cage, and under the action of high-speed airflow and double induced airflow, the filter bag rapidly expands outwards, and then sucks and deflates, causing the accelerated dust lumps to separate from the filter bag . The separated dust is discharged by the ash discharge mechanism. The middle body box is arranged in the middle, which not only satisfies the site layout, but also makes the air flow distribution more uniform, so that the dust cleaning is more thorough; it is convenient for users to maintain in the future and prolong the service life of the equipment.
除尘器入口设有活性炭及消石灰喷入口，以中和酸性气体，其按除尘器设计风量的80%，投粉量按设计风量计≮4g/m³，粉尘的粒径应分布均匀，中位径在8~·10μm。The inlet of the dust collector is equipped with activated carbon and slaked lime injection inlet to neutralize the acid gas. It is 80% of the design air volume of the dust collector, and the powder feeding volume is ≮4g/m³ according to the design air volume. The particle size of the dust should be evenly distributed. In 8~·10μm.
灰斗设有伴热系统，通过设置在灰斗上测温热电阻，根据设定的温度上（140℃）、下限（110℃），对灰斗加热器进行自动控制，当低于下限值时加热，高于上限值时停止加热，上、下限温度值可调。防止灰斗内落灰结块，结露。The ash hopper is equipped with a heat tracing system. By setting the temperature measuring thermal resistance on the ash hopper, the ash hopper heater is automatically controlled according to the set temperature upper limit (140°C) and lower limit (110°C). Heating when the temperature is higher than the upper limit, and stop heating when it is higher than the upper limit. The upper and lower limit temperature values are adjustable. Prevent ash agglomeration and condensation in the ash hopper.
对于长期停炉，及首次烘炉，设有再循环加热系统，当中体箱室内温度达到140℃（或是达到粉尘露点温度以上，温度可调）时停止加温。For long-term furnace shutdown and first-time furnace, there is a recirculation heating system, and the heating will stop when the temperature in the middle chamber reaches 140°C (or above the dust dew point temperature, the temperature is adjustable).
一种多功能垃圾焚烧尾气净化机组的有益效果是：1.袋除尘器的高温耐久性的提高;2.袋除尘器的集尘性能极高，对控制在灰尘中含有的二恶英排出很有效;3.对亚微米粒子的捕集性能显著提高。The beneficial effects of a multi-functional garbage incineration exhaust gas purification unit are: 1. The high-temperature durability of the bag filter is improved; 2. The dust collection performance of the bag filter is extremely high, and it is very good for controlling the discharge of dioxin contained in the dust Effective; 3. The capture performance of submicron particles is significantly improved.
附图说明Description of drawings
图1是一种多功能垃圾焚烧尾气净化机组的结构示意图。Fig. 1 is a structural schematic diagram of a multifunctional garbage incineration tail gas purification unit.
图中，（1）、进出口压差系统；（2）、检修电动葫芦；（3）、喷吹装置；（4）、净气室；（5）、中箱体；（6）、除尘器进口阀门；（7）、活性炭喷入口；（8）、消石灰喷入口；（9）、进口测温元件；（10）、除尘器进口管道；（11）、布袋及框架；（12）、圈梁支座；（13）、灰斗；（14）、空气炮；（15）、卸灰阀；（16）、刮板输灰机；（17）、热循环风机；（18）、加热器；（19）、循环加热出口管道阀门；（20）、灰斗伴热系统；（21）、循环加热出口管道；（22）、循环加热进口管道；（23）、循环加热进口管道阀门；（24）、除尘器出口管道；（25）、出口测温元件；（26）、除尘器出口阀门；（27）、除尘风机；（28）、烟囱。In the figure, (1), inlet and outlet pressure difference system; (2), maintenance electric hoist; (3), injection device; (4), clean air chamber; (5), middle box; (6), dust removal (7), activated carbon injection inlet; (8), slaked lime injection inlet; (9), imported temperature measuring element; (10), dust collector inlet pipe; (11), cloth bag and frame; (12), Ring beam support; (13), ash hopper; (14), air cannon; (15), ash unloading valve; (16), scraper conveyor; (17), thermal circulation fan; (18), heating (19), circulation heating outlet pipeline valve; (20), ash hopper heating system; (21), circulation heating outlet pipeline; (22), circulation heating inlet pipeline; (23), circulation heating inlet pipeline valve; (24), dust collector outlet pipe; (25), outlet temperature measuring element; (26), dust collector outlet valve; (27), dust removal fan; (28), chimney.
具体实施方式Detailed ways
下面结合附图和具体实施例对本实用新型作进一步详细说明。Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.
如图1所示，一种多功能垃圾焚烧尾气净化机组，其特征是由进出口压差系统（1）、检修电动葫芦（2）、喷吹装置（3）、净气室（4）、中箱体（5）、除尘器进口阀门（6）、活性炭喷入口（7）、消石灰喷入口（8）、进口测温元件（9）、除尘器进口管道（10）、布袋及框架（11）、圈梁支座（12）、灰斗（13）、空气炮（14）、卸灰阀（15）、刮板输灰机（16）、热循环风机（17）、加热器（18）、循环加热出口管道阀门（19）、灰斗伴热系统（20）、循环加热出口管道（21）、循环加热进口管道（22）、循环加热进口管道阀门（23）、除尘器出口管道（24）、出口测温元件（25）、除尘器出口阀门（26）、除尘风机（27）、烟囱（28）组成；进出口压差系统（1）与除尘器进口管道（10）及除尘器出口管道（24）连接；除尘器进口管道（10）上设有除尘器进口阀门（6）、活性炭喷入口（7）、消石灰喷入口（8）、进口测温元件（9）；除尘器出口管道（24）上设有出口测温元件（25）、除尘器出口阀门（26）；除尘器出口管道（24）与除尘风机（27）连接；除尘风机（27）与烟囱（28）连接；循环加热进口管道（22）与除尘器出口管道（24）连通经热循环风机（17）、加热器（18）进入灰斗（13）；加热器（18）后端设有循环加热出口管道阀门（19）；热循环风机（17）前端设有循环加热进口管道阀门（23）；灰斗（13）上设有空气炮（14）、灰斗伴热系统（20）；灰斗（13）底部与卸灰阀（15）连接；卸灰阀（15）与刮板输灰机（16）连接；灰斗（13）与圈梁支座（12）连接；圈梁支座（12）与中箱体（5）连接；中箱体（5）内安装有布袋及框架（11）；中箱体（5）上顶与净气室（4）连接；净气室（4）上设有喷吹装置（3）、检修电动葫芦（2）。As shown in Figure 1, a multifunctional garbage incineration exhaust gas purification unit is characterized by an inlet and outlet pressure difference system (1), an electric hoist for maintenance (2), a blowing device (3), a clean air chamber (4), Middle box (5), dust collector inlet valve (6), activated carbon injection inlet (7), slaked lime injection inlet (8), inlet temperature measuring element (9), dust collector inlet pipe (10), cloth bag and frame (11 ), ring beam support (12), ash hopper (13), air cannon (14), ash unloading valve (15), scraper conveyor (16), thermal circulation fan (17), heater (18) , circulation heating outlet pipeline valve (19), ash hopper heating system (20), circulation heating outlet pipeline (21), circulation heating inlet pipeline (22), circulation heating inlet pipeline valve (23), dust collector outlet pipeline (24 ), the outlet temperature measuring element (25), the dust collector outlet valve (26), the dust removal fan (27), and the chimney (28); the inlet and outlet pressure difference system (1) and the dust collector inlet pipe (10) and the dust collector outlet The pipe (24) is connected; the dust collector inlet pipe (10) is provided with a dust collector inlet valve (6), an activated carbon injection inlet (7), a slaked lime injection inlet (8), and an inlet temperature measuring element (9); the dust collector outlet pipe (24) is equipped with an outlet temperature measuring element (25) and a dust collector outlet valve (26); the dust collector outlet pipe (24) is connected to the dust removal fan (27); the dust removal fan (27) is connected to the chimney (28); the circulation The heating inlet pipe (22) communicates with the dust collector outlet pipe (24) and enters the ash hopper (13) through the heat circulation fan (17) and the heater (18); the heater (18) has a circular heating outlet pipe valve ( 19); the front end of the heat circulation fan (17) is equipped with a circulating heating inlet pipeline valve (23); the ash hopper (13) is equipped with an air cannon (14) and an ash hopper heating system (20); the bottom of the ash hopper (13) It is connected with the ash discharge valve (15); the ash discharge valve (15) is connected with the scraper ash conveyor (16); the ash hopper (13) is connected with the ring beam support (12); the ring beam support (12) is connected with the middle The box body (5) is connected; the middle box body (5) is equipped with a cloth bag and a frame (11); the top of the middle box body (5) is connected with the clean air chamber (4); Blowing device (3), maintenance electric hoist (2).
一种多功能垃圾焚烧尾气净化机组的工作原理：含尘烟气从除尘器进口管道进入中箱体内，并在导流装置的导流下，颗粒的粉尘被分离，直接落入灰斗。随着过滤工况的进行，滤袋上的粉尘越积越多，当设备阻力达到限定的阻力值（设定为1500Pa 可调）时，进行停风喷吹，让空气进入喷吹管，然后通过喷吹管上的喷吹孔射入滤袋袋笼内，在高速气流及成倍的诱导气流的作用下，滤袋迅速向外膨胀，接着又吸瘪，致使加速的粉尘尘块与滤袋分离。被分离的粉尘由排灰机构排出。中体箱布置在中间的形式，既满足了场地布置，而且使气流分布更为均匀，从而使清灰更为彻底；方便用户今后的维护及延长设备的使用寿命。The working principle of a multi-functional garbage incineration exhaust gas purification unit: the dust-laden flue gas enters the middle box from the inlet pipe of the dust collector, and under the diversion of the diversion device, the dust of the particles is separated and directly falls into the ash hopper. As the filtering process progresses, the dust on the filter bag accumulates more and more. When the resistance of the equipment reaches the limited resistance value (adjustable at 1500Pa), stop the air blowing, let the air enter the blowing pipe, and then pass through the The injection hole on the injection pipe is injected into the filter bag cage, and under the action of high-speed airflow and double induced airflow, the filter bag rapidly expands outwards, and then sucks and deflates, causing the accelerated dust lumps to separate from the filter bag . The separated dust is discharged by the ash discharge mechanism. The middle body box is arranged in the middle, which not only satisfies the site layout, but also makes the air flow distribution more uniform, so that the dust cleaning is more thorough; it is convenient for users to maintain in the future and prolong the service life of the equipment.
除尘器入口设有活性炭及消石灰喷入口，以中和酸性气体，其按除尘器设计风量的80%，投粉量按设计风量计≮4g/m³，粉尘的粒径应分布均匀，中位径在8~·10μm。The inlet of the dust collector is equipped with activated carbon and slaked lime injection inlet to neutralize the acid gas. It is 80% of the design air volume of the dust collector, and the powder feeding volume is ≮4g/m³ according to the design air volume. The particle size of the dust should be evenly distributed. In 8~·10μm.
灰斗设有伴热系统，通过设置在灰斗上测温热电阻，根据设定的温度上（140℃）、下限（110℃），对灰斗加热器进行自动控制，当低于下限值时加热，高于上限值时停止加热，上、下限温度值可调。防止灰斗内落灰结块，结露。The ash hopper is equipped with a heat tracing system. By setting the temperature measuring thermal resistance on the ash hopper, the ash hopper heater is automatically controlled according to the set temperature upper limit (140°C) and lower limit (110°C). Heating when the temperature is higher than the upper limit, and stop heating when it is higher than the upper limit. The upper and lower limit temperature values are adjustable. Prevent ash agglomeration and condensation in the ash hopper.
对于长期停炉，及首次烘炉，设有再循环加热系统，当中体箱室内温度达到140℃（或是达到粉尘露点温度以上，温度可调）时停止加温。For long-term furnace shutdown and first-time furnace, there is a recirculation heating system, and the heating will stop when the temperature in the middle chamber reaches 140°C (or above the dust dew point temperature, the temperature is adjustable).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109603510A (en) * | 2019-01-15 | 2019-04-12 | 湖北江环环保科技有限公司 | Multifunctional waste incineration tail gas purification unit |
| CN110860150A (en) * | 2019-11-13 | 2020-03-06 | 瀚蓝绿电固废处理(佛山)有限公司 | A bag filter ash hopper heating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109603510A (en) * | 2019-01-15 | 2019-04-12 | 湖北江环环保科技有限公司 | Multifunctional waste incineration tail gas purification unit |
| CN110860150A (en) * | 2019-11-13 | 2020-03-06 | 瀚蓝绿电固废处理(佛山)有限公司 | A bag filter ash hopper heating device |
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