CN221713965U - A SO2 scrubbing and absorption device for tail gas from aluminum fluoride production - Google Patents
A SO2 scrubbing and absorption device for tail gas from aluminum fluoride production Download PDFInfo
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- CN221713965U CN221713965U CN202323546429.4U CN202323546429U CN221713965U CN 221713965 U CN221713965 U CN 221713965U CN 202323546429 U CN202323546429 U CN 202323546429U CN 221713965 U CN221713965 U CN 221713965U
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- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 title claims abstract description 36
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000010521 absorption reaction Methods 0.000 title claims description 13
- 238000005201 scrubbing Methods 0.000 title claims description 13
- 239000007788 liquid Substances 0.000 claims abstract description 112
- 239000003513 alkali Substances 0.000 claims abstract description 55
- 238000005406 washing Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 abstract 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 30
- 239000012670 alkaline solution Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 1
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012719 wet electrostatic precipitator Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
技术领域Technical Field
本实用新型涉及尾气处理设备技术领域，特别是涉及一种用于氟化铝生产尾气的SO2洗涤吸收装置。The utility model relates to the technical field of tail gas treatment equipment, in particular to an SO2 washing and absorbing device for tail gas produced by aluminum fluoride production.
背景技术Background Art
目前，对于氟化铝生产尾气的处理，通常通过安装湿式电除尘器进行除尘处理，使得尾气中的粉尘颗粒物的排放达到了排放标准，但氟化铝生产尾气中的SO2仍然严重超标，对排放口附近的环境造成了污染，也威胁到了工作人员的身体健康。At present, the treatment of exhaust gas from aluminum fluoride production is usually carried out by installing a wet electrostatic precipitator to remove dust, so that the emission of dust particles in the exhaust gas meets the emission standards. However, the SO2 in the exhaust gas from aluminum fluoride production still seriously exceeds the standard, causing pollution to the environment near the emission port and threatening the health of the workers.
实用新型内容Utility Model Content
本实用新型的目的是提供一种用于氟化铝生产尾气的SO2洗涤吸收装置，以解决上述现有技术存在的问题，洗涤吸收氟化铝生产尾气中的SO2，从而改善氟化铝生产尾气排放口附近的环境，使得氟化铝生产尾气的排放达标。The purpose of the utility model is to provide a SO2 scrubbing and absorbing device for aluminum fluoride production tail gas to solve the problems existing in the above-mentioned prior art, scrub and absorb SO2 in aluminum fluoride production tail gas, thereby improving the environment near the aluminum fluoride production tail gas discharge port, so that the aluminum fluoride production tail gas discharge meets the standards.
为实现上述目的，本实用新型提供了如下方案：To achieve the above purpose, the utility model provides the following solutions:
本实用新型提供一种用于氟化铝生产尾气的SO2洗涤吸收装置，包括：The utility model provides a SO2 scrubbing and absorbing device for tail gas from aluminum fluoride production, comprising:
洗涤罐；Washing tank;
储液罐，所述储液罐用于储存液碱；A liquid storage tank, wherein the liquid storage tank is used to store liquid alkali;
液碱罐，所述液碱罐的底端高于所述洗涤罐的顶端，所述液碱罐底端的出液口与所述洗涤罐顶端的进液口连通；A liquid alkali tank, wherein the bottom end of the liquid alkali tank is higher than the top end of the washing tank, and the liquid outlet at the bottom end of the liquid alkali tank is connected to the liquid inlet at the top end of the washing tank;
液碱输送泵，所述液碱输送泵的进液口与所述储液罐连通，所述液碱输送泵的出液口与所述液碱罐连通；A liquid alkali delivery pump, wherein the liquid inlet of the liquid alkali delivery pump is connected to the liquid storage tank, and the liquid outlet of the liquid alkali delivery pump is connected to the liquid alkali tank;
储水罐，所述储水罐用于储存水；A water storage tank, wherein the water storage tank is used to store water;
输水泵，所述输水泵的进水口与所述储水罐连通，所述输水泵的储水口与所述洗涤罐顶端的进水口连通；A water delivery pump, wherein the water inlet of the water delivery pump is connected to the water storage tank, and the water storage port of the water delivery pump is connected to the water inlet at the top of the washing tank;
竖直设置的进气管，所述进气管的顶端与氟化铝生产尾气的排放口连通，所述进气管的底端与所述洗涤罐顶端的进气口连通；A vertically arranged air intake pipe, the top end of which is connected to the exhaust port of aluminum fluoride production tail gas, and the bottom end of which is connected to the air intake port at the top end of the washing tank;
设置在所述进气管的顶部且位于所述进气管内的第一喷头；A first nozzle disposed at the top of the air inlet pipe and located inside the air inlet pipe;
竖直设置的排气管，所述排气管的底端与所述洗涤罐顶端的排气口连通；A vertically arranged exhaust pipe, the bottom end of which is connected to the exhaust port at the top end of the washing tank;
设置在所述排气管的顶部且位于所述排气管内的第二喷头；a second nozzle disposed on the top of the exhaust pipe and located inside the exhaust pipe;
循环泵，所述循环泵的进液口与所述洗涤罐底部的出液口连通，所述第一喷头和所述第二喷头分别与所述循环泵的出液口连通。A circulation pump, wherein a liquid inlet of the circulation pump is connected to a liquid outlet at the bottom of the washing tank, and the first nozzle and the second nozzle are respectively connected to the liquid outlet of the circulation pump.
优选的，所述洗涤罐的底端还设置有排液罐，所述排液罐上设置有阀门。Preferably, a drain tank is also provided at the bottom end of the washing tank, and a valve is provided on the drain tank.
优选的，还包括控制单元，所述控制单元包括控制器、设置在所述洗涤罐中的pH计和设置在所述液碱罐底端的出液口上的电动阀门，所述pH计和所述电动阀门分别与所述控制器信号连接。Preferably, it also includes a control unit, which includes a controller, a pH meter arranged in the washing tank and an electric valve arranged on the liquid outlet at the bottom end of the liquid alkali tank, and the pH meter and the electric valve are respectively connected to the controller signal.
优选的，所述控制单元还包括设置在所述液碱罐中的液位计，所述液位计用于检测所述液碱罐中的液位，所述液位计和所述液碱输送泵分别与所述控制器信号连接。Preferably, the control unit further comprises a liquid level meter arranged in the liquid alkali tank, the liquid level meter is used to detect the liquid level in the liquid alkali tank, and the liquid level meter and the liquid alkali delivery pump are respectively connected to the controller signal.
本实用新型相对于现有技术取得了以下技术效果：Compared with the prior art, the utility model has achieved the following technical effects:
本实用新型用于氟化铝生产尾气的SO2洗涤吸收装置通过在洗涤罐中形成碱性溶液，并通过循环泵使得碱性溶液经第一喷头和第二喷头喷淋，从而对进气管和排气管中的氟化铝生产尾气进行洗涤，在洗涤的过程中将氟化铝生产尾气中的SO2充分吸收，从而使得氟化铝生产尾气满足了环保排放要求，并使现场环境得到了有效改善。The utility model is used for the SO2 washing and absorption device of the tail gas of aluminum fluoride production. By forming an alkaline solution in a washing tank, and spraying the alkaline solution through a first nozzle and a second nozzle through a circulating pump, the tail gas of aluminum fluoride production in an air intake pipe and an exhaust pipe is washed. In the washing process, the SO2 in the tail gas of aluminum fluoride production is fully absorbed, so that the tail gas of aluminum fluoride production meets the environmental emission requirements and the on-site environment is effectively improved.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
图1为本实用新型用于氟化铝生产尾气的SO2洗涤吸收装置的结构示意图；FIG1 is a schematic structural diagram of a SO 2 scrubbing and absorption device for tail gas from aluminum fluoride production according to the utility model;
其中，100、用于氟化铝生产尾气的SO2洗涤吸收装置；2、储液罐；3、液碱输送泵；4、液碱罐；5、储水罐；6、输水泵；7、循环泵；8、进气管；9、排气管；10、pH计；11、液位计；12、排液管。Among them, 100, SO2 washing and absorption device for tail gas from aluminum fluoride production; 2, liquid storage tank; 3, liquid alkali delivery pump; 4, liquid alkali tank; 5, water storage tank; 6, water delivery pump; 7, circulation pump; 8, air inlet pipe; 9, exhaust pipe; 10, pH meter; 11, liquid level meter; 12, drain pipe.
具体实施方式DETAILED DESCRIPTION
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
本实用新型的目的是提供一种用于氟化铝生产尾气的SO2洗涤吸收装置，以解决上述现有技术存在的问题，洗涤吸收氟化铝生产尾气中的SO2，从而改善氟化铝生产尾气排放口附近的环境，使得氟化铝生产尾气的排放达标。The purpose of the utility model is to provide a SO2 scrubbing and absorbing device for aluminum fluoride production tail gas to solve the problems existing in the above-mentioned prior art, scrub and absorb SO2 in aluminum fluoride production tail gas, thereby improving the environment near the aluminum fluoride production tail gas discharge port, so that the aluminum fluoride production tail gas discharge meets the standards.
为使本实用新型的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本实用新型作进一步详细的说明。In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
如图1所示，本实施例提供一种用于氟化铝生产尾气的SO2洗涤吸收装置100，包括：As shown in FIG. 1 , this embodiment provides a SO 2 scrubbing and absorption device 100 for tail gas from aluminum fluoride production, comprising:
洗涤罐；Washing tank;
储液罐2，储液罐2用于储存液碱；Liquid storage tank 2, liquid storage tank 2 is used to store liquid alkali;
液碱罐4，液碱罐4的底端高于洗涤罐的顶端，液碱罐4底端的出液口与洗涤罐顶端的进液口连通；A liquid alkali tank 4, wherein the bottom end of the liquid alkali tank 4 is higher than the top end of the washing tank, and the liquid outlet at the bottom end of the liquid alkali tank 4 is connected to the liquid inlet at the top end of the washing tank;
液碱输送泵3，液碱输送泵3的进液口与储液罐2连通，液碱输送泵3的出液口与液碱罐4连通；A liquid alkali delivery pump 3, wherein a liquid inlet of the liquid alkali delivery pump 3 is connected to the liquid storage tank 2, and a liquid outlet of the liquid alkali delivery pump 3 is connected to the liquid alkali tank 4;
储水罐5，储水罐5用于储存水；A water storage tank 5, the water storage tank 5 is used to store water;
输水泵6，输水泵6的进水口与储水罐5连通，输水泵6的储水口与洗涤罐顶端的进水口连通；A water delivery pump 6, the water inlet of the water delivery pump 6 is connected to the water storage tank 5, and the water storage port of the water delivery pump 6 is connected to the water inlet at the top of the washing tank;
竖直设置的进气管8，进气管8的顶端与氟化铝生产尾气的排放口连通，进气管8的底端与洗涤罐顶端的进气口连通；A vertically arranged air intake pipe 8, the top end of which is connected to the exhaust port of aluminum fluoride production tail gas, and the bottom end of which is connected to the air intake port at the top of the washing tank;
设置在进气管8的顶部且位于进气管8内的第一喷头；A first nozzle disposed at the top of the air inlet pipe 8 and located inside the air inlet pipe 8;
竖直设置的排气管9，排气管9的底端与洗涤罐顶端的排气口连通；A vertically arranged exhaust pipe 9, the bottom end of which is connected to the exhaust port at the top of the washing tank;
设置在排气管9的顶部且位于排气管9内的第二喷头；A second nozzle disposed on the top of the exhaust pipe 9 and located inside the exhaust pipe 9;
循环泵7，循环泵7的进液口与洗涤罐底部的出液口连通，第一喷头和第二喷头分别与循环泵7的出液口连通。A circulation pump 7, wherein a liquid inlet of the circulation pump 7 is connected to a liquid outlet at the bottom of the washing tank, and a first nozzle and a second nozzle are respectively connected to the liquid outlet of the circulation pump 7.
于本实施例中，洗涤罐的底端还设置有排液罐，排液罐上设置有阀门。In this embodiment, a drain tank is further provided at the bottom end of the washing tank, and a valve is provided on the drain tank.
于本实施例中，还包括控制单元，控制单元包括控制器、设置在洗涤罐中的pH计10和设置在液碱罐4底端的出液口上的电动阀门，pH计10和电动阀门分别与控制器信号连接；控制器具体可以采用可编程控制器，控制器能够根据pH计10所检测到的洗涤罐中的碱性溶液的pH值来控制液碱罐4底端的出液口上的电动阀门的启闭及输水泵6的启闭，以控制洗涤罐中的碱性溶液的pH值维持在设定范围内。In this embodiment, a control unit is also included, which includes a controller, a pH meter 10 arranged in the washing tank, and an electric valve arranged on the liquid outlet at the bottom of the liquid alkali tank 4. The pH meter 10 and the electric valve are respectively connected to the controller signal; the controller can specifically adopt a programmable controller, and the controller can control the opening and closing of the electric valve on the liquid outlet at the bottom of the liquid alkali tank 4 and the opening and closing of the water delivery pump 6 according to the pH value of the alkaline solution in the washing tank detected by the pH meter 10, so as to control the pH value of the alkaline solution in the washing tank to be maintained within a set range.
在本实施例可选的方案中，较为优选的，控制单元还包括设置在液碱罐4中的液位计11，液位计11用于检测液碱罐4中的液位，液位计11和液碱输送泵3分别与控制器信号连接；控制器能够根据液位计11检测到的液碱罐4中的液碱的液位，来控制液碱输送泵3的启闭，以确保制液碱罐4中的液碱的储量。In the optional scheme of this embodiment, it is more preferred that the control unit also includes a liquid level meter 11 arranged in the liquid alkali tank 4, and the liquid level meter 11 is used to detect the liquid level in the liquid alkali tank 4, and the liquid level meter 11 and the liquid alkali delivery pump 3 are respectively connected to the controller signal; the controller can control the opening and closing of the liquid alkali delivery pump 3 according to the liquid level of the liquid alkali in the liquid alkali tank 4 detected by the liquid level meter 11, so as to ensure the storage amount of liquid alkali in the liquid alkali tank 4.
本实施例用于氟化铝生产尾气的SO2洗涤吸收装置100的具体工作原理如下：The specific working principle of the SO2 scrubbing and absorption device 100 for tail gas from aluminum fluoride production in this embodiment is as follows:
首先，利用液碱输送泵3将储液罐2内的液碱输送至液碱罐4，液碱罐4中的液碱流入洗涤罐中，用输水泵6将储水罐5中的水输送至洗涤罐中，在洗涤罐中液碱与水混合后形成碱性溶液洗涤吸收二氧化硫。First, the liquid alkali in the liquid storage tank 2 is transported to the liquid alkali tank 4 by the liquid alkali delivery pump 3, and the liquid alkali in the liquid alkali tank 4 flows into the washing tank. The water in the water storage tank 5 is transported to the washing tank by the water delivery pump 6. In the washing tank, the liquid alkali is mixed with water to form an alkaline solution to wash and absorb sulfur dioxide.
洗涤吸收原理：氟化铝生产尾气通过进气罐通入洗涤罐中，由循环泵7洗涤罐中的输送碱性溶液，循环泵7泵送的碱性溶液经过位于进气管8中的第一喷头和位于排气管9中的第二喷头喷淋，氟化铝生产尾气在经过进气管8和排气管9的过程中，经过第一喷头和第二喷头喷出的碱性溶液的洗涤，碱性溶液不断循环洗涤吸收氟化铝生产尾气中的SO2，经过SO2洗涤吸收后的氟化铝生产尾气径排气管9顶端的排气口排出。Washing and absorption principle: the tail gas from aluminum fluoride production is introduced into the washing tank through the air intake tank, and the alkaline solution in the washing tank is transported by the circulating pump 7. The alkaline solution pumped by the circulating pump 7 is sprayed through the first nozzle located in the air intake pipe 8 and the second nozzle located in the exhaust pipe 9. In the process of passing through the air intake pipe 8 and the exhaust pipe 9, the tail gas from aluminum fluoride production is washed by the alkaline solution sprayed from the first nozzle and the second nozzle. The alkaline solution continuously circulates to wash and absorb SO2 in the tail gas from aluminum fluoride production. The tail gas from aluminum fluoride production after SO2 washing and absorption is discharged from the exhaust port at the top of the exhaust pipe 9.
利用输水泵6实现洗涤罐的补水，定期通过排液管12排出洗涤罐中的碱性溶液，经过洗涤吸收装置后氟化铝生产尾气中的二氧化硫得到充分吸收，满足了环保排放要求，使现场环境得到了有效改善。The washing tank is replenished with water using a water delivery pump 6, and the alkaline solution in the washing tank is regularly discharged through a drain pipe 12. After passing through the washing absorption device, the sulfur dioxide in the exhaust gas of aluminum fluoride production is fully absorbed, meeting the environmental emission requirements and effectively improving the on-site environment.
在本实用新型的描述中，需要说明的是，术语“顶”、“底”“竖直”、“内”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the present invention, it should be noted that the terms "top", "bottom", "vertical", "inside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
本实用新型中应用了具体个例对本实用新型的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本实用新型的方法及其核心思想；同时，对于本领域的一般技术人员，依据本实用新型的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本实用新型的限制。The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.
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