CN111437683A - Industrial waste gas treatment method - Google Patents

Industrial waste gas treatment method Download PDF

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CN111437683A
CN111437683A CN202010092419.XA CN202010092419A CN111437683A CN 111437683 A CN111437683 A CN 111437683A CN 202010092419 A CN202010092419 A CN 202010092419A CN 111437683 A CN111437683 A CN 111437683A
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waste gas
solid
exhaust gas
drying
gas
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李�昊
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Liaoning Technical University
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Liaoning Technical University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20Combinations of devices covered by groups B01D45/00 and B01D46/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/07Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/14Gaseous waste or fumes

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  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

本发明公开了一种工业废气的处理方法,包括如下步骤:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理,将分离得到的气体导入燃烧室,燃烧室内的温度为400‑500℃,为并加入催化剂,经过燃烧后释放,将经过燃烧后的废气通过过滤网后导入换热器中,经换热后降低废气的温度释放,再将降温后的废气导入吸附液中,废气通过吸附液排放,废气通过废气吸附材料后,释放至空气中。本发明通过采用灰尘旋转分离器分离废气中的固体颗粒与废气,分别对固体与废气进行处理,废气通过燃烧处理,吸附液吸附,吸附材料吸附后,有效的降低了废气中的有害物质,极大的提高了废气的处理效果。The invention discloses a method for treating industrial waste gas, comprising the following steps: introducing the generated industrial waste gas into a dust rotary separator, realizing gas-solid separation after rotary separation treatment, collecting the obtained solid and treating the solid, and separating the obtained solid The gas in the combustion chamber is introduced into the combustion chamber, and the temperature in the combustion chamber is 400-500 ℃. For the purpose of adding catalyst, it is released after combustion. The exhaust gas after combustion is introduced into the heat exchanger through the filter screen, and the temperature of the exhaust gas is reduced after heat exchange. Then, the cooled exhaust gas is introduced into the adsorption liquid, the exhaust gas is discharged through the adsorption liquid, and the exhaust gas is released into the air after passing through the exhaust gas adsorption material. The invention separates the solid particles and the waste gas in the waste gas by adopting a dust rotary separator, and treats the solid and waste gas respectively. Greatly improve the treatment effect of exhaust gas.

Description

一种工业废气的处理方法A kind of treatment method of industrial waste gas

技术领域technical field

本发明涉及废气处理技术领域,尤其涉及一种工业废气的处理方法。The invention relates to the technical field of waste gas treatment, in particular to a treatment method of industrial waste gas.

背景技术Background technique

工业废气包括有机废气和无机废气,有机废气主要包括各种烃类、醇类、醛类、酸类、酮类和胺类等,无机废气主要包括硫氧化物、氮氧化物、碳氧化物、卤素及其化合物等。中国针对大气污染采取污染物排放控制制度。有机废气为主要的大气污染物之一,可通过呼吸道和皮肤进入人体,给人的呼吸、血液、肝脏等系统和器官造成暂时性和永久性病变。在工业废气排放时,需要对废气进行净化处理,现有的废气处理方法不能有效的去除废气中的有害物。Industrial waste gas includes organic waste gas and inorganic waste gas. Organic waste gas mainly includes various hydrocarbons, alcohols, aldehydes, acids, ketones and amines, etc. Inorganic waste gas mainly includes sulfur oxides, nitrogen oxides, carbon oxides, Halogens and their compounds, etc. China adopts a pollutant emission control system for air pollution. Organic waste gas is one of the main air pollutants, which can enter the human body through the respiratory tract and skin, causing temporary and permanent lesions to the human respiratory, blood, liver and other systems and organs. When industrial waste gas is discharged, it is necessary to purify the waste gas, and the existing waste gas treatment methods cannot effectively remove the harmful substances in the waste gas.

发明内容SUMMARY OF THE INVENTION

本发明提出了一种工业废气的处理方法,以解决上述背景技术中提出的不能有效的去除废气中的有害物的问题。The present invention proposes a method for treating industrial waste gas, so as to solve the problem that the harmful substances in the waste gas cannot be effectively removed in the above-mentioned background art.

本发明提出了一种工业废气的处理方法,包括如下步骤:The present invention proposes a method for treating industrial waste gas, comprising the following steps:

S1:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理;S1: The generated industrial waste gas is introduced into the dust rotary separator, and the gas-solid separation is realized after the rotary separation treatment, and the obtained solid is collected and processed;

S2:将分离得到的气体导入燃烧室,燃烧室内的温度为400-500℃,为并加入催化剂,经过燃烧后释放;S2: introduce the separated gas into the combustion chamber, the temperature in the combustion chamber is 400-500 ℃, and the catalyst is added and released after combustion;

S3:将经过燃烧后的废气通过过滤网后导入换热器中,经换热后降低废气的温度释放;S3: The exhaust gas after combustion is introduced into the heat exchanger after passing through the filter screen, and the temperature of the exhaust gas is reduced and released after heat exchange;

S4:再将降温后的废气导入吸附液中,废气通过吸附液排放;S4: The cooled exhaust gas is then introduced into the adsorption liquid, and the exhaust gas is discharged through the adsorption liquid;

S5:废气通过废气吸附材料后,释放至空气中。S5: After the exhaust gas passes through the exhaust gas adsorption material, it is released into the air.

优选的,所述S2中的催化剂为五氧化二钒和蔬水型高硅。Preferably, the catalyst in S2 is vanadium pentoxide and vegetable water type high silicon.

优选的,所述S4中吸附液的制备步骤:Preferably, the preparation steps of the adsorption liquid in the S4:

a、将氯化镁固体与氯化钙固体倒入温水中,经搅拌机构搅拌后,直到氯化镁固体与氯化钙固体完全溶解;A, pour magnesium chloride solid and calcium chloride solid into warm water, after stirring by stirring mechanism, until magnesium chloride solid and calcium chloride solid dissolve completely;

b、再向混合溶液中加入稀盐酸,并再次搅拌,稀盐酸与溶液混合;b. Add dilute hydrochloric acid to the mixed solution, stir again, and mix dilute hydrochloric acid with the solution;

c、使用PH检测器检测混合溶液的酸碱度,持续加入稀盐酸,使得混合溶液呈酸性,即得到废气吸附液。c. Use a pH detector to detect the acidity and alkalinity of the mixed solution, and continue to add dilute hydrochloric acid to make the mixed solution acidic, that is, to obtain the waste gas adsorption liquid.

优选的,所述氯化镁固体与氯化钙固体的质量比为1:1。Preferably, the mass ratio of the magnesium chloride solid to the calcium chloride solid is 1:1.

优选的,所述S5中废气吸附材料的制备步骤:Preferably, the preparation steps of the exhaust gas adsorption material in the S5:

(1)含硅铝质材料与碱性激发剂置于磨合装置中制备得到聚合物浆料,聚合物浆料中加入发泡剂和稳泡剂,经搅拌后得到聚合材料;(1) The silicon-containing aluminum material and the alkaline activator are placed in a running-in device to prepare a polymer slurry, and a foaming agent and a foam stabilizer are added to the polymer slurry, and a polymer material is obtained after stirring;

(2)取可溶性金属盐溶于溶剂中,搅拌至溶解,转移至不锈钢的密封反应釜中,80-160℃下反应15-20h后冷却,经过洗涤烘干后,得到材料骨架;(2) Dissolve the soluble metal salt in the solvent, stir until dissolved, transfer to a stainless steel sealed reaction kettle, react at 80-160 ° C for 15-20 h, then cool down, wash and dry to obtain a material skeleton;

(3)将聚合材料涂覆在材料骨架上,放入烘干箱中进行烘干处理,烘干后得到气体吸附材料。(3) Coating the polymeric material on the material skeleton, putting it into a drying box for drying treatment, and drying to obtain a gas adsorption material.

优选的,所述烘干处理步骤:Preferably, the drying treatment step:

(1)将涂覆的材料骨架放入烘干箱中,调节烘干箱的温度为70-80℃,烘干时间为40-50min;(1) put the coated material skeleton into the drying box, adjust the temperature of the drying box to be 70-80°C, and the drying time is 40-50min;

(2)调节烘干箱的温度为50-60℃,烘干时间为30-40min;(2) Adjust the temperature of the drying box to be 50-60°C, and the drying time to be 30-40min;

(3)调节烘干箱的温度为30-40℃,烘干时间为1-2h。(3) Adjust the temperature of the drying box to 30-40°C and the drying time to 1-2h.

本发明提出的一种工业废气的处理方法,有益效果在于:A method for treating industrial waste gas proposed by the present invention has beneficial effects as follows:

通过采用灰尘旋转分离器分离废气中的固体颗粒与废气,分别对固体与废气进行处理,废气通过燃烧处理,有害气体充分氧化,吸附液吸附,沉降去除有害物,吸附材料吸附后,有效的降低了废气中的有害物质,极大的提高了废气的处理效果,废气排放不会污染空气。The solid particles and waste gas in the waste gas are separated by a dust rotary separator, and the solid and waste gas are treated separately. The waste gas is processed by combustion, the harmful gas is fully oxidized, the adsorption liquid is adsorbed, and the harmful substances are removed by sedimentation. After the adsorption material, the effective reduction of The harmful substances in the exhaust gas are eliminated, the treatment effect of the exhaust gas is greatly improved, and the exhaust gas emission will not pollute the air.

具体实施方式Detailed ways

下面结合具体实施例来对本发明做进一步说明。The present invention will be further described below in conjunction with specific embodiments.

实施例1Example 1

本发明提出了一种工业废气的处理方法,包括如下步骤:The present invention proposes a method for treating industrial waste gas, comprising the following steps:

S1:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理;S1: The generated industrial waste gas is introduced into the dust rotary separator, and the gas-solid separation is realized after the rotary separation treatment, and the obtained solid is collected and processed;

S2:将分离得到的气体导入燃烧室,燃烧室内的温度为400℃,为并加入催化剂,加快废气的反应速度,催化剂为五氧化二钒和蔬水型高硅,经过燃烧后释放;S2: introduce the separated gas into the combustion chamber, the temperature in the combustion chamber is 400 ℃, in order to add a catalyst to speed up the reaction speed of the exhaust gas, the catalyst is vanadium pentoxide and vegetable water type high silicon, which is released after combustion;

S3:将经过燃烧后的废气通过过滤网后导入换热器中,提高热量的利用率,经换热后降低废气的温度释放;S3: The exhaust gas after combustion is introduced into the heat exchanger through the filter screen to improve the utilization rate of heat, and the temperature release of the exhaust gas is reduced after heat exchange;

S4:再将降温后的废气导入吸附液中,废气通过吸附液排放,废气与吸附液反应,去除有害物,吸附液的制备步骤:S4: The cooled waste gas is then introduced into the adsorption liquid, the waste gas is discharged through the adsorption liquid, and the waste gas reacts with the adsorption liquid to remove harmful substances. The preparation steps of the adsorption liquid:

a、将氯化镁固体与氯化钙固体倒入温水中,氯化镁固体与氯化钙固体的质量比为1:1,经搅拌机构搅拌后,直到氯化镁固体与氯化钙固体完全溶解;A, pour magnesium chloride solid and calcium chloride solid into warm water, the mass ratio of magnesium chloride solid and calcium chloride solid is 1:1, after stirring by stirring mechanism, until magnesium chloride solid and calcium chloride solid dissolve completely;

b、再向混合溶液中加入稀盐酸,并再次搅拌,稀盐酸与溶液混合;b. Add dilute hydrochloric acid to the mixed solution, stir again, and mix dilute hydrochloric acid with the solution;

c、使用PH检测器检测混合溶液的酸碱度,持续加入稀盐酸,使得混合溶液呈酸性,即得到废气吸附液;c. Use a pH detector to detect the acidity and alkalinity of the mixed solution, and continue to add dilute hydrochloric acid to make the mixed solution acidic, that is, to obtain the waste gas adsorption liquid;

S5:废气通过废气吸附材料后,释放至空气中,废气吸附材料的制备步骤:S5: After the exhaust gas passes through the exhaust gas adsorption material, it is released into the air. The preparation steps of the exhaust gas adsorption material:

(1)含硅铝质材料与碱性激发剂置于磨合装置中制备得到聚合物浆料,聚合物浆料中加入发泡剂和稳泡剂,经搅拌后得到聚合材料;(1) The silicon-containing aluminum material and the alkaline activator are placed in a running-in device to prepare a polymer slurry, and a foaming agent and a foam stabilizer are added to the polymer slurry, and a polymer material is obtained after stirring;

(2)取可溶性金属盐溶于溶剂中,搅拌至溶解,转移至不锈钢的密封反应釜中,80℃下反应15h后冷却,经过洗涤烘干后,得到材料骨架;(2) Dissolve the soluble metal salt in the solvent, stir until dissolved, transfer to a stainless steel sealed reaction kettle, react at 80°C for 15 hours, cool down, wash and dry to obtain a material skeleton;

(3)将聚合材料涂覆在材料骨架上,放入烘干箱中进行烘干处理,烘干后得到气体吸附材料,烘干处理步骤:(3) Coating the polymer material on the material skeleton, putting it into a drying box for drying treatment, obtaining gas adsorption material after drying, drying treatment steps:

(1)将涂覆的材料骨架放入烘干箱中,调节烘干箱的温度为70℃,烘干时间为40min;(1) put the coated material skeleton into the drying box, adjust the temperature of the drying box to be 70°C, and the drying time is 40min;

(2)调节烘干箱的温度为50℃,烘干时间为30min;(2) adjusting the temperature of the drying box to be 50°C, and the drying time to be 30min;

(3)调节烘干箱的温度为30℃,烘干时间为1h。(3) Adjust the temperature of the drying box to 30°C and the drying time to 1h.

实施例2Example 2

本发明提出了一种工业废气的处理方法,包括如下步骤:The present invention proposes a method for treating industrial waste gas, comprising the following steps:

S1:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理;S1: The generated industrial waste gas is introduced into the dust rotary separator, and the gas-solid separation is realized after the rotary separation treatment, and the obtained solid is collected and processed;

S2:将分离得到的气体导入燃烧室,燃烧室内的温度为420℃,为并加入催化剂,加快废气的反应速度,催化剂为五氧化二钒和蔬水型高硅,经过燃烧后释放;S2: introduce the separated gas into the combustion chamber, the temperature in the combustion chamber is 420 ℃, in order to add a catalyst to speed up the reaction speed of the exhaust gas, the catalyst is vanadium pentoxide and vegetable water type high silicon, which is released after combustion;

S3:将经过燃烧后的废气通过过滤网后导入换热器中,提高热量的利用率,经换热后降低废气的温度释放;S3: The exhaust gas after combustion is introduced into the heat exchanger through the filter screen to improve the utilization rate of heat, and the temperature release of the exhaust gas is reduced after heat exchange;

S4:再将降温后的废气导入吸附液中,废气通过吸附液排放,废气与吸附液反应,去除有害物,吸附液的制备步骤:S4: The cooled waste gas is then introduced into the adsorption liquid, the waste gas is discharged through the adsorption liquid, and the waste gas reacts with the adsorption liquid to remove harmful substances. The preparation steps of the adsorption liquid:

a、将氯化镁固体与氯化钙固体倒入温水中,氯化镁固体与氯化钙固体的质量比为1:1,经搅拌机构搅拌后,直到氯化镁固体与氯化钙固体完全溶解;A, pour magnesium chloride solid and calcium chloride solid into warm water, the mass ratio of magnesium chloride solid and calcium chloride solid is 1:1, after stirring by stirring mechanism, until magnesium chloride solid and calcium chloride solid dissolve completely;

b、再向混合溶液中加入稀盐酸,并再次搅拌,稀盐酸与溶液混合;b. Add dilute hydrochloric acid to the mixed solution, stir again, and mix dilute hydrochloric acid with the solution;

c、使用PH检测器检测混合溶液的酸碱度,持续加入稀盐酸,使得混合溶液呈酸性,即得到废气吸附液;c. Use a pH detector to detect the acidity and alkalinity of the mixed solution, and continue to add dilute hydrochloric acid to make the mixed solution acidic, that is, to obtain the waste gas adsorption liquid;

S5:废气通过废气吸附材料后,释放至空气中,废气吸附材料的制备步骤:S5: After the exhaust gas passes through the exhaust gas adsorption material, it is released into the air. The preparation steps of the exhaust gas adsorption material:

(1)含硅铝质材料与碱性激发剂置于磨合装置中制备得到聚合物浆料,聚合物浆料中加入发泡剂和稳泡剂,经搅拌后得到聚合材料;(1) The silicon-containing aluminum material and the alkaline activator are placed in a running-in device to prepare a polymer slurry, and a foaming agent and a foam stabilizer are added to the polymer slurry, and a polymer material is obtained after stirring;

(2)取可溶性金属盐溶于溶剂中,搅拌至溶解,转移至不锈钢的密封反应釜中,100℃下反应16h后冷却,经过洗涤烘干后,得到材料骨架;(2) Dissolve the soluble metal salt in the solvent, stir until dissolved, transfer to a stainless steel sealed reaction kettle, react at 100 ° C for 16 hours, cool down, wash and dry to obtain a material skeleton;

(3)将聚合材料涂覆在材料骨架上,放入烘干箱中进行烘干处理,烘干后得到气体吸附材料,烘干处理步骤:(3) Coating the polymer material on the material skeleton, putting it into a drying box for drying treatment, obtaining gas adsorption material after drying, drying treatment steps:

(1)将涂覆的材料骨架放入烘干箱中,调节烘干箱的温度为72℃,烘干时间为42min;(1) put the coated material skeleton into the drying box, adjust the temperature of the drying box to be 72°C, and the drying time is 42min;

(2)调节烘干箱的温度为52℃,烘干时间为32min;(2) the temperature that regulates the drying box is 52 ℃, and the drying time is 32min;

(3)调节烘干箱的温度为32℃,烘干时间为1.2h。(3) Adjust the temperature of the drying box to 32°C and the drying time to 1.2h.

实施例3Example 3

本发明提出了一种工业废气的处理方法,包括如下步骤:The present invention proposes a method for treating industrial waste gas, comprising the following steps:

S1:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理;S1: The generated industrial waste gas is introduced into the dust rotary separator, and the gas-solid separation is realized after the rotary separation treatment, and the obtained solid is collected and processed;

S2:将分离得到的气体导入燃烧室,燃烧室内的温度为440℃,为并加入催化剂,加快废气的反应速度,催化剂为五氧化二钒和蔬水型高硅,经过燃烧后释放;S2: introduce the separated gas into the combustion chamber, the temperature in the combustion chamber is 440 ℃, in order to add a catalyst to speed up the reaction speed of the exhaust gas, the catalyst is vanadium pentoxide and vegetable water type high silicon, which is released after combustion;

S3:将经过燃烧后的废气通过过滤网后导入换热器中,提高热量的利用率,经换热后降低废气的温度释放;S3: The exhaust gas after combustion is introduced into the heat exchanger through the filter screen to improve the utilization rate of heat, and the temperature release of the exhaust gas is reduced after heat exchange;

S4:再将降温后的废气导入吸附液中,废气通过吸附液排放,废气与吸附液反应,去除有害物,吸附液的制备步骤:S4: The cooled waste gas is then introduced into the adsorption liquid, the waste gas is discharged through the adsorption liquid, and the waste gas reacts with the adsorption liquid to remove harmful substances. The preparation steps of the adsorption liquid:

a、将氯化镁固体与氯化钙固体倒入温水中,氯化镁固体与氯化钙固体的质量比为1:1,经搅拌机构搅拌后,直到氯化镁固体与氯化钙固体完全溶解;A, pour magnesium chloride solid and calcium chloride solid into warm water, the mass ratio of magnesium chloride solid and calcium chloride solid is 1:1, after stirring by stirring mechanism, until magnesium chloride solid and calcium chloride solid dissolve completely;

b、再向混合溶液中加入稀盐酸,并再次搅拌,稀盐酸与溶液混合;b. Add dilute hydrochloric acid to the mixed solution, stir again, and mix dilute hydrochloric acid with the solution;

c、使用PH检测器检测混合溶液的酸碱度,持续加入稀盐酸,使得混合溶液呈酸性,即得到废气吸附液;c. Use a pH detector to detect the acidity and alkalinity of the mixed solution, and continue to add dilute hydrochloric acid to make the mixed solution acidic, that is, to obtain the waste gas adsorption liquid;

S5:废气通过废气吸附材料后,释放至空气中,废气吸附材料的制备步骤:S5: After the exhaust gas passes through the exhaust gas adsorption material, it is released into the air. The preparation steps of the exhaust gas adsorption material:

(1)含硅铝质材料与碱性激发剂置于磨合装置中制备得到聚合物浆料,聚合物浆料中加入发泡剂和稳泡剂,经搅拌后得到聚合材料;(1) The silicon-containing aluminum material and the alkaline activator are placed in a running-in device to prepare a polymer slurry, and a foaming agent and a foam stabilizer are added to the polymer slurry, and a polymer material is obtained after stirring;

(2)取可溶性金属盐溶于溶剂中,搅拌至溶解,转移至不锈钢的密封反应釜中,120℃下反应17h后冷却,经过洗涤烘干后,得到材料骨架;(2) Dissolve the soluble metal salt in the solvent, stir until dissolved, transfer to a stainless steel sealed reaction kettle, react at 120 ° C for 17 hours, cool down, wash and dry to obtain a material skeleton;

(3)将聚合材料涂覆在材料骨架上,放入烘干箱中进行烘干处理,烘干后得到气体吸附材料,烘干处理步骤:(3) Coating the polymer material on the material skeleton, putting it into a drying box for drying treatment, obtaining gas adsorption material after drying, drying treatment steps:

(1)将涂覆的材料骨架放入烘干箱中,调节烘干箱的温度为74℃,烘干时间为44min;(1) put the coated material skeleton into the drying box, adjust the temperature of the drying box to be 74°C, and the drying time is 44min;

(2)调节烘干箱的温度为54℃,烘干时间为34min;(2) the temperature that regulates the drying box is 54 ℃, and the drying time is 34min;

(3)调节烘干箱的温度为44℃,烘干时间为1.4h。(3) Adjust the temperature of the drying box to 44°C and the drying time to 1.4h.

实施例4Example 4

本发明提出了一种工业废气的处理方法,包括如下步骤:The present invention proposes a method for treating industrial waste gas, comprising the following steps:

S1:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理;S1: The generated industrial waste gas is introduced into the dust rotary separator, and the gas-solid separation is realized after the rotary separation treatment, and the obtained solid is collected and processed;

S2:将分离得到的气体导入燃烧室,燃烧室内的温度为470℃,为并加入催化剂,加快废气的反应速度,催化剂为五氧化二钒和蔬水型高硅,经过燃烧后释放;S2: introduce the separated gas into the combustion chamber, the temperature in the combustion chamber is 470 ℃, in order to add a catalyst to speed up the reaction speed of the exhaust gas, the catalyst is vanadium pentoxide and vegetable water type high silicon, which is released after combustion;

S3:将经过燃烧后的废气通过过滤网后导入换热器中,提高热量的利用率,经换热后降低废气的温度释放;S3: The exhaust gas after combustion is introduced into the heat exchanger through the filter screen to improve the utilization rate of heat, and the temperature release of the exhaust gas is reduced after heat exchange;

S4:再将降温后的废气导入吸附液中,废气通过吸附液排放,废气与吸附液反应,去除有害物,吸附液的制备步骤:S4: The cooled waste gas is then introduced into the adsorption liquid, the waste gas is discharged through the adsorption liquid, and the waste gas reacts with the adsorption liquid to remove harmful substances. The preparation steps of the adsorption liquid:

a、将氯化镁固体与氯化钙固体倒入温水中,氯化镁固体与氯化钙固体的质量比为1:1,经搅拌机构搅拌后,直到氯化镁固体与氯化钙固体完全溶解;A, pour magnesium chloride solid and calcium chloride solid into warm water, the mass ratio of magnesium chloride solid and calcium chloride solid is 1:1, after stirring by stirring mechanism, until magnesium chloride solid and calcium chloride solid dissolve completely;

b、再向混合溶液中加入稀盐酸,并再次搅拌,稀盐酸与溶液混合;b. Add dilute hydrochloric acid to the mixed solution, stir again, and mix dilute hydrochloric acid with the solution;

c、使用PH检测器检测混合溶液的酸碱度,持续加入稀盐酸,使得混合溶液呈酸性,即得到废气吸附液;c. Use a pH detector to detect the acidity and alkalinity of the mixed solution, and continue to add dilute hydrochloric acid to make the mixed solution acidic, that is, to obtain the waste gas adsorption liquid;

S5:废气通过废气吸附材料后,释放至空气中,废气吸附材料的制备步骤:S5: After the exhaust gas passes through the exhaust gas adsorption material, it is released into the air. The preparation steps of the exhaust gas adsorption material:

(1)含硅铝质材料与碱性激发剂置于磨合装置中制备得到聚合物浆料,聚合物浆料中加入发泡剂和稳泡剂,经搅拌后得到聚合材料;(1) The silicon-containing aluminum material and the alkaline activator are placed in a running-in device to prepare a polymer slurry, and a foaming agent and a foam stabilizer are added to the polymer slurry, and a polymer material is obtained after stirring;

(2)取可溶性金属盐溶于溶剂中,搅拌至溶解,转移至不锈钢的密封反应釜中,140℃下反应18h后冷却,经过洗涤烘干后,得到材料骨架;(2) Dissolve the soluble metal salt in the solvent, stir until dissolved, transfer to a stainless steel sealed reaction kettle, react at 140 ° C for 18 hours, cool down, wash and dry to obtain a material skeleton;

(3)将聚合材料涂覆在材料骨架上,放入烘干箱中进行烘干处理,烘干后得到气体吸附材料,烘干处理步骤:(3) Coating the polymer material on the material skeleton, putting it into a drying box for drying treatment, obtaining gas adsorption material after drying, drying treatment steps:

(1)将涂覆的材料骨架放入烘干箱中,调节烘干箱的温度为77℃,烘干时间为47min;(1) put the coated material skeleton into the drying box, adjust the temperature of the drying box to be 77°C, and the drying time is 47min;

(2)调节烘干箱的温度为57℃,烘干时间为37min;(2) the temperature that regulates the drying box is 57 ℃, and the drying time is 37min;

(3)调节烘干箱的温度为37℃,烘干时间为1.7h。(3) Adjust the temperature of the drying box to 37°C and the drying time to 1.7h.

实施例5Example 5

本发明提出了一种工业废气的处理方法,包括如下步骤:The present invention proposes a method for treating industrial waste gas, comprising the following steps:

S1:将产生的工业废气导入灰尘旋转分离器中,旋转分离处理后实现气固分离,收集得到的固体并对固体进行处理;S1: The generated industrial waste gas is introduced into the dust rotary separator, and the gas-solid separation is realized after the rotary separation treatment, and the obtained solid is collected and processed;

S2:将分离得到的气体导入燃烧室,燃烧室内的温度为500℃,为并加入催化剂,加快废气的反应速度,催化剂为五氧化二钒和蔬水型高硅,经过燃烧后释放;S2: introduce the separated gas into the combustion chamber, the temperature in the combustion chamber is 500 ℃, in order to add a catalyst to speed up the reaction speed of the exhaust gas, the catalyst is vanadium pentoxide and vegetable water type high silicon, which is released after combustion;

S3:将经过燃烧后的废气通过过滤网后导入换热器中,提高热量的利用率,经换热后降低废气的温度释放;S3: The exhaust gas after combustion is introduced into the heat exchanger through the filter screen to improve the utilization rate of heat, and the temperature release of the exhaust gas is reduced after heat exchange;

S4:再将降温后的废气导入吸附液中,废气通过吸附液排放,废气与吸附液反应,去除有害物,吸附液的制备步骤:S4: The cooled waste gas is then introduced into the adsorption liquid, the waste gas is discharged through the adsorption liquid, and the waste gas reacts with the adsorption liquid to remove harmful substances. The preparation steps of the adsorption liquid:

a、将氯化镁固体与氯化钙固体倒入温水中,氯化镁固体与氯化钙固体的质量比为1:1,经搅拌机构搅拌后,直到氯化镁固体与氯化钙固体完全溶解;A, pour magnesium chloride solid and calcium chloride solid into warm water, the mass ratio of magnesium chloride solid and calcium chloride solid is 1:1, after stirring by stirring mechanism, until magnesium chloride solid and calcium chloride solid dissolve completely;

b、再向混合溶液中加入稀盐酸,并再次搅拌,稀盐酸与溶液混合;b. Add dilute hydrochloric acid to the mixed solution, stir again, and mix dilute hydrochloric acid with the solution;

c、使用PH检测器检测混合溶液的酸碱度,持续加入稀盐酸,使得混合溶液呈酸性,即得到废气吸附液;c. Use a pH detector to detect the acidity and alkalinity of the mixed solution, and continue to add dilute hydrochloric acid to make the mixed solution acidic, that is, to obtain the waste gas adsorption liquid;

S5:废气通过废气吸附材料后,释放至空气中,废气吸附材料的制备步骤:S5: After the exhaust gas passes through the exhaust gas adsorption material, it is released into the air. The preparation steps of the exhaust gas adsorption material:

(1)含硅铝质材料与碱性激发剂置于磨合装置中制备得到聚合物浆料,聚合物浆料中加入发泡剂和稳泡剂,经搅拌后得到聚合材料;(1) The silicon-containing aluminum material and the alkaline activator are placed in a running-in device to prepare a polymer slurry, and a foaming agent and a foam stabilizer are added to the polymer slurry, and a polymer material is obtained after stirring;

(2)取可溶性金属盐溶于溶剂中,搅拌至溶解,转移至不锈钢的密封反应釜中,160℃下反应20h后冷却,经过洗涤烘干后,得到材料骨架;(2) Dissolve the soluble metal salt in the solvent, stir until dissolved, transfer to a stainless steel sealed reaction kettle, react at 160° C. for 20 hours, cool down, wash and dry to obtain a material skeleton;

(3)将聚合材料涂覆在材料骨架上,放入烘干箱中进行烘干处理,烘干后得到气体吸附材料,烘干处理步骤:(3) Coating the polymer material on the material skeleton, putting it into a drying box for drying treatment, obtaining gas adsorption material after drying, drying treatment steps:

(1)将涂覆的材料骨架放入烘干箱中,调节烘干箱的温度为80℃,烘干时间为50min;(1) put the coated material skeleton into the drying box, adjust the temperature of the drying box to be 80°C, and the drying time is 50min;

(2)调节烘干箱的温度为60℃,烘干时间为40min;(2) adjust the temperature of drying box to be 60 ℃, and drying time is 40min;

(3)调节烘干箱的温度为40℃,烘干时间为2h。(3) Adjust the temperature of the drying box to 40°C and the drying time to 2h.

以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (6)

1. A method for treating industrial waste gas is characterized by comprising the following steps:
s1: introducing the generated industrial waste gas into a dust rotary separator, performing rotary separation treatment to realize gas-solid separation, collecting the obtained solid and treating the solid;
s2: introducing the separated gas into a combustion chamber, wherein the temperature in the combustion chamber is 400-500 ℃, adding a catalyst, and releasing after combustion;
s3: introducing the combusted waste gas into a heat exchanger after passing through a filter screen, and reducing the temperature release of the waste gas after heat exchange;
s4: then introducing the cooled waste gas into an adsorption liquid, and discharging the waste gas through the adsorption liquid;
s5: the exhaust gas is released into the air after passing through the exhaust gas adsorbing material.
2. The method for treating industrial waste gas according to claim 1, wherein the catalyst in S2 is vanadium pentoxide and vegetable water type high silicon.
3. The method for treating industrial waste gas according to claim 1, wherein the step of preparing the adsorption solution in S4 comprises:
a. pouring the magnesium chloride solid and the calcium chloride solid into warm water, and stirring by a stirring mechanism until the magnesium chloride solid and the calcium chloride solid are completely dissolved;
b. adding dilute hydrochloric acid into the mixed solution, stirring again, and mixing the dilute hydrochloric acid with the solution;
c. and detecting the pH value of the mixed solution by using a pH detector, and continuously adding dilute hydrochloric acid to make the mixed solution acidic, thereby obtaining the waste gas adsorption solution.
4. The method for treating industrial waste gas according to claim 3, wherein the mass ratio of the magnesium chloride solid to the calcium chloride solid is 1: 1.
5. The method for treating industrial waste gas according to claim 1, wherein the step of preparing the waste gas adsorbing material in S5 comprises:
(1) placing a silicon-containing aluminum material and an alkaline activator in a running-in device to prepare polymer slurry, adding a foaming agent and a foam stabilizer into the polymer slurry, and stirring to obtain a polymeric material;
(2) dissolving soluble metal salt in a solvent, stirring until the soluble metal salt is dissolved, transferring the solution to a stainless steel sealed reaction kettle, reacting for 15-20h at the temperature of 80-160 ℃, cooling, washing and drying to obtain a material framework;
(3) and coating the polymeric material on the material framework, putting the material framework into a drying box for drying treatment, and drying to obtain the gas adsorption material.
6. The method for treating industrial waste gas according to claim 5, wherein the drying treatment step comprises:
(1) putting the coated material framework into a drying box, and adjusting the temperature of the drying box to be 70-80 ℃ and the drying time to be 40-50 min;
(2) adjusting the temperature of the drying box to 50-60 ℃ and the drying time to 30-40 min;
(3) the temperature of the drying box is adjusted to be 30-40 ℃, and the drying time is 1-2 h.
CN202010092419.XA 2020-02-14 2020-02-14 Industrial waste gas treatment method Pending CN111437683A (en)

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