CN206688468U - A kind of organic waste gas concentrating processing unit - Google Patents
A kind of organic waste gas concentrating processing unit Download PDFInfo
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 74
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- 238000003795 desorption Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000002912 waste gas Substances 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 238000010926 purge Methods 0.000 claims description 10
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
本实用新型公开了一种有机废气浓缩处理装置，包括吸附转轮、废气风机和催化燃烧反应器，其特征在于：通过第一皮带轮与第二皮带轮连接转轮和活塞式空气压缩机，还设置有冷却支管和换热气支管，吸附转轮解吸区和冷却区的吹扫方向与进气管对吸附转轮吸附区的吹扫方向相反。本实用新型相比现有技术具有以下优点：通过利用吸附转轮的动能让常温空气压缩为高温高压空气，为催化燃烧的有机废气预热升温，无需点燃装置，同时催化燃烧的部分气体对催化燃烧器进行预热，实现了自维持燃烧，达到能量的循环利用，减少了投资。该吸附转轮为连续运转，可以保证后续催化燃烧更为有效地进行，提高了处理效率。
The utility model discloses an organic waste gas concentration treatment device, which comprises an adsorption runner, a waste gas fan and a catalytic combustion reactor, and is characterized in that the runner and the piston air compressor are connected through the first pulley and the second pulley, and a There are cooling branch pipes and heat exchange gas branch pipes, and the blowing direction of the desorption zone and cooling zone of the adsorption runner is opposite to that of the intake pipe for the adsorption zone of the adsorption runner. Compared with the prior art, the utility model has the following advantages: by using the kinetic energy of the adsorption runner, the air at normal temperature can be compressed into high-temperature and high-pressure air, which can preheat and raise the temperature of organic waste gas for catalytic combustion, without the need for an ignition device, and at the same time, part of the gas in catalytic combustion has a great impact on catalytic combustion. The burner is preheated to realize self-sustaining combustion, achieve energy recycling, and reduce investment. The adsorption runner operates continuously, which can ensure more effective subsequent catalytic combustion and improve the treatment efficiency.
Description
技术领域technical field
本实用新型涉及环保设备技术领域，尤其涉及的是一种有机废气浓缩处理装置。The utility model relates to the technical field of environmental protection equipment, in particular to an organic waste gas concentration treatment device.
背景技术Background technique
工业固定源挥发性有机物(VOCS)排放所涉及的行业众多，具有排放强度大、浓度高、污染物种类多、持续排放时间长等特点，对局部空气质量的影响显著，是雾霾天气的主要成因之一。其中大多数的喷涂工艺和印刷工艺产生的废气具有高通量、低浓度的特点，针对低浓度(<1g/cm3)、高通量(>10000m3/h)VOCs的处理，应用最广泛的技术是活性炭吸附工艺和催化燃烧工艺或直接燃烧工艺，然而上述两者存在缺点，前者存在二次污染，后者存在催化剂价格昂贵、易中毒、能量损失、适用于中高浓度VOCs处理的弊端。Volatile organic compounds (VOCS) emissions from industrial stationary sources involve many industries, and have the characteristics of high emission intensity, high concentration, many types of pollutants, and long continuous emission time. They have a significant impact on local air quality and are the main cause of haze weather. One of the causes. Most of the waste gas produced by the spraying process and printing process has the characteristics of high flux and low concentration. It is the most widely used technology for the treatment of VOCs with low concentration (<1g/cm3) and high flux (>10000m3/h). It is activated carbon adsorption process and catalytic combustion process or direct combustion process. However, the above two have disadvantages. The former has secondary pollution, and the latter has the disadvantages of expensive catalyst, easy poisoning, energy loss, and suitable for medium and high concentration VOCs treatment.
CN101972602A公开了一种吸附-催还燃烧处理有机废气的系统，包括连通吸入有机废气的预处理过滤器、主固定吸附床、辅助吸附床、催化床、排风机及相关的管路组成，该实用新型主要实现了交替吸附工艺，并通过自动化控制替换人工操作，具有较高的可靠性。但该有机废气处理方法在实际运行中耗资较大，且有较多的燃烧余热未被有效利用，能量损失严重。CN101972602A discloses a system for treating organic waste gas by adsorption-recall combustion, which consists of a pretreatment filter connected to inhale organic waste gas, a main fixed adsorption bed, an auxiliary adsorption bed, a catalytic bed, an exhaust fan and related pipelines. The new type mainly realizes the alternate adsorption process, and replaces manual operation through automatic control, which has high reliability. However, this organic waste gas treatment method costs a lot in actual operation, and a lot of combustion waste heat is not effectively utilized, resulting in serious energy loss.
CN205850524U公开了一种种废气吸附浓缩后催化燃烧装置，整个装置由通过管路依次连接的前过滤器、沸石分子筛机构、蓄热氧化炉和烟囱组成，该工艺能够解决目前针对大风量、低浓度有机废气，现有的工艺存在设备庞大、运行费用高的问题，但该工艺能耗较大，且有较多能量浪费。CN205850524U discloses a catalytic combustion device after exhaust gas adsorption and concentration. The whole device is composed of a pre-filter, a zeolite molecular sieve mechanism, a thermal storage oxidation furnace and a chimney connected in sequence through pipelines. Exhaust gas, the existing process has the problems of huge equipment and high operating costs, but the process consumes a lot of energy and has a lot of energy waste.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术的不足，提供了一种有机废气浓缩处理装置。The purpose of the utility model is to overcome the deficiencies of the prior art and provide an organic waste gas concentration treatment device.
本实用新型是通过以下技术方案实现的：一种有机废气浓缩处理装置，包括吸附转轮、废气风机和催化燃烧反应器，所述废气风机连接吸附转轮的吸附区进气管路，其特征在于：在吸附转轮的旋转中心处设置有第一皮带轮，还包括活塞式空气压缩机，所述活塞式空气压缩机包括缸体、活塞滑块和曲柄，所述曲柄的顶部与活塞滑块连接，曲柄的底部与设置于缸体下方的轮盘的边缘连接，随着轮盘的转动推动曲柄带动活塞滑块在缸体内往复运动，向催化燃烧反应器内提供压缩空气，在轮盘的中心设置有第二皮带轮，第一皮带轮与第二皮带轮之间通过传动皮带连接。The utility model is realized through the following technical solutions: an organic waste gas concentration treatment device, comprising an adsorption runner, a waste gas fan and a catalytic combustion reactor, the waste gas fan is connected to the intake pipeline of the adsorption area of the adsorption runner, and is characterized in that : a first pulley is arranged at the rotation center of the adsorption runner, and a piston air compressor is also included, the piston air compressor includes a cylinder block, a piston slider and a crank, and the top of the crank is connected with the piston slider , the bottom of the crank is connected to the edge of the wheel set under the cylinder, with the rotation of the wheel, the crank is driven to drive the piston slider to reciprocate in the cylinder, and compressed air is supplied to the catalytic combustion reactor. A second pulley is arranged in the center, and the first pulley is connected with the second pulley through a transmission belt.
作为对上述方案的进一步改进，吸附转轮的吸附区出口管路上设置有冷却支管，冷却支管与吸附转轮的冷却区连接，所述冷却支管的对吸附转轮的吹扫方向与进气管对吸附转轮吸附区的吹扫方向相反。As a further improvement to the above scheme, a cooling branch pipe is provided on the outlet pipeline of the adsorption region of the adsorption runner, and the cooling branch pipe is connected with the cooling region of the adsorption runner. The direction of purge in the adsorption area of the adsorption wheel is reversed.
作为对上述方案的进一步改进，吸附转轮吸附区进气管上设置有换热气支管，所述换热气支管通过烟气换热器后与吸附转轮的解吸区连接，解吸区的出口通过管道与所述催化燃烧反应器连接，催化燃烧反应器的出口设置烟气管道，所述烟气管道通过烟气换热器后排空。As a further improvement to the above scheme, a heat exchange branch pipe is provided on the intake pipe of the adsorption area of the adsorption runner, and the heat exchange branch pipe is connected to the desorption area of the adsorption wheel after passing through the flue gas heat exchanger, and the outlet of the desorption area passes through The pipeline is connected with the catalytic combustion reactor, and the outlet of the catalytic combustion reactor is provided with a flue gas pipeline, and the flue gas pipeline is emptied after passing through the flue gas heat exchanger.
作为对上述方案的进一步改进，所述换热器支管对吸附转轮解吸区的吹扫方向与进气管对吸附转轮吸附区的吹扫方向相反。As a further improvement to the above solution, the purging direction of the branch pipe of the heat exchanger to the desorption area of the adsorption runner is opposite to that of the inlet pipe to the adsorption area of the adsorption runner.
作为对上述方案的进一步改进，所述废气风机的入口通过干式除尘过滤器与集气罩连接。As a further improvement to the above solution, the inlet of the exhaust fan is connected to the gas collecting hood through a dry dust filter.
本实用新型相比现有技术具有以下优点：通过利用吸附转轮的动能让常温空气压缩为高温高压空气，为催化燃烧的有机废气预热升温，无需点燃装置，同时催化燃烧的部分气体对催化燃烧器进行预热，实现了自维持燃烧，达到能量的循环利用，减少了投资。该吸附转轮为连续运转，可以保证后续催化燃烧更为有效地进行，提高了处理效率。Compared with the prior art, the utility model has the following advantages: by using the kinetic energy of the adsorption runner, the air at normal temperature can be compressed into high-temperature and high-pressure air, which can preheat and raise the temperature of organic waste gas for catalytic combustion, without the need for an ignition device, and at the same time, part of the gas in catalytic combustion has a great impact on catalytic combustion. The burner is preheated to realize self-sustaining combustion, achieve energy recycling, and reduce investment. The adsorption runner operates continuously, which can ensure more effective subsequent catalytic combustion and improve the treatment efficiency.
附图说明Description of drawings
图1是本实用新型结构示意图。Fig. 1 is the structural representation of the utility model.
图2是活塞式空气压缩机结构示意图。Figure 2 is a schematic diagram of the structure of a piston air compressor.
具体实施方式detailed description
下面对本实用新型的实施例作详细说明，本实施例在以本实用新型技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本实用新型的保护范围不限于下述的实施例。The following is a detailed description of the embodiments of the present utility model. This embodiment is implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present utility model is not limited to the following the described embodiment.
一种有机废气浓缩处理装置，包括吸附转轮2、废气风机1和催化燃烧反应器5，所述废气风机1连接吸附转轮2的吸附区21进气管3路，其特征在于：在吸附转轮2的旋转中心处设置有第一皮带轮24，还包括活塞式空气压缩机8，所述活塞式空气压缩机8包括缸体81、活塞滑块82和曲柄83，所述曲柄83的顶部与活塞滑块82连接，曲柄83的底部与设置于缸体81下方的轮盘9的边缘连接，随着轮盘9的转动推动曲柄83带动活塞滑块82在缸体81内往复运动，向催化燃烧反应器5内提供压缩空气，在轮盘9的中心设置有第二皮带轮91，第一皮带轮24与第二皮带轮91之间通过传动皮带10连接。通过传动皮带10将吸附转轮2的驱动力传递至活塞式空气压缩机8，只需要提供一套动力来源就能够实现正常运转，节约能源的同时，降低了故障发生概率。同时吸附转轮2与活塞式空气压缩机8联动，在使得压缩空气的提供量与转轮的转速直接关联，即实现了废气处理量与压缩空气提供量之间的关联，催化燃烧需要的空气能够随着转轮的转速自动响应，使得催化燃烧进行的更加彻底，保证处理效果。废气在风机作用下进入吸附转轮2，所述吸附转轮2填充蜂窝活性炭，能与被处理废气充分接触，吸附效率高，风阻系数小。所述吸附转轮2采用转盘式结构，包括吸附区21、冷却区23、解吸区22。在吸附浓缩操作过程中，吸附转轮2在驱动装置带动下缓慢转动，吸附转轮2在吸附区21吸附苯、甲苯、二甲苯、酚类等有机气体和恶臭味气体，对有机废气进行净化处理，转入解吸区22，由催化燃烧的高温尾气进行吹扫再生，后再转入冷却区23，再生后活性炭在转轮的缓慢转动中进行闲置降温，以保证后续的吸附效率，这一过程不断周而复始地进行。An organic waste gas concentration treatment device, comprising an adsorption rotor 2, an exhaust gas fan 1 and a catalytic combustion reactor 5, the exhaust gas fan 1 is connected to the adsorption area 21 of the adsorption rotor 2, and the intake pipe 3 is characterized in that: in the adsorption rotor The center of rotation of the wheel 2 is provided with a first pulley 24, and also includes a piston air compressor 8, and the piston air compressor 8 includes a cylinder block 81, a piston slider 82 and a crank 83, and the top of the crank 83 is connected to the crank 83. The piston slider 82 is connected, and the bottom of the crank 83 is connected with the edge of the wheel disc 9 arranged below the cylinder body 81. With the rotation of the wheel disc 9, the crank 83 drives the piston slider 82 to reciprocate in the cylinder body 81 to catalyze Compressed air is provided in the combustion reactor 5 , and a second pulley 91 is arranged at the center of the wheel disc 9 , and the first pulley 24 and the second pulley 91 are connected by a transmission belt 10 . The driving force of the adsorption runner 2 is transmitted to the piston air compressor 8 through the transmission belt 10, and only one set of power sources is required to realize normal operation, which saves energy and reduces the probability of failure. At the same time, the adsorption runner 2 is linked with the piston air compressor 8, so that the supply of compressed air is directly related to the rotation speed of the runner, that is, the correlation between the amount of exhaust gas treatment and the supply of compressed air is realized, and the air required for catalytic combustion It can automatically respond with the speed of the runner, making the catalytic combustion more thorough and ensuring the treatment effect. The exhaust gas enters the adsorption runner 2 under the action of the fan, and the adsorption runner 2 is filled with honeycomb activated carbon, which can fully contact with the exhaust gas to be treated, with high adsorption efficiency and small drag coefficient. The adsorption runner 2 adopts a turntable structure, including an adsorption zone 21 , a cooling zone 23 and a desorption zone 22 . During the adsorption concentration operation, the adsorption runner 2 rotates slowly under the drive of the driving device, and the adsorption runner 2 adsorbs benzene, toluene, xylene, phenols and other organic gases and malodorous gases in the adsorption zone 21, and the organic waste gas is treated. Purification treatment, transfer to the desorption zone 22, purging and regeneration by the high-temperature tail gas of catalytic combustion, and then transfer to the cooling zone 23, after regeneration, the activated carbon is idle and cooled in the slow rotation of the runner to ensure the subsequent adsorption efficiency. A process is carried out repeatedly.
吸附转轮2的吸附区21出口管路上设置有冷却支管32，冷却支管32与吸附转轮2的冷却区23连接，所述冷却支管32的对吸附转轮2的吹扫方向与进气管3对吸附转轮2吸附区21的吹扫方向相反。使用处理过的部分废气来冷却吸附转盘，合理利用气源，同时吹扫过程中不会带入杂质，使得整个处理过程更加绿色环保；冷却支管32反向吹扫能够将吸附介质疏松，避免长期单方向吹扫引起的吸附材料风阻提高的问题。A cooling branch pipe 32 is arranged on the outlet pipeline of the adsorption region 21 of the adsorption runner 2, and the cooling branch pipe 32 is connected with the cooling region 23 of the adsorption runner 2. The direction of sweeping to the adsorption zone 21 of the adsorption rotor 2 is reversed. Part of the treated waste gas is used to cool the adsorption turntable, and the gas source is used reasonably. At the same time, no impurities are brought in during the purging process, making the whole process more green and environmentally friendly; the reverse purging of the cooling branch pipe 32 can loosen the adsorption medium and avoid long-term The problem of increased air resistance of the adsorbent material caused by unidirectional purging.
吸附转轮2吸附区21进气管3上设置有换热气支管31，所述换热气支管31通过烟气换热器4后与吸附转轮2的解吸区22连接，解吸区22的出口通过管道与所述催化燃烧反应器5连接，催化燃烧反应器5的出口设置烟气管道51，所述烟气管道51通过烟气换热器4后排空。通过烟气换热器4将一部分的废气与催化燃烧反应器5的烟气进行换热，对解吸区22进行解吸吹扫，使被吸附的物质解吸，此时进入催化燃烧反应器5的废气浓度极大的提高，能够保持催化燃烧反应器5的连续工作，无需点火装置即可持续维持连续不断的催化燃烧反应。高温烟气中含有的热能经过换热后再次返回解吸区22和催化燃烧反应器5，整个过程连续进行，能源消耗极少，节能效果优异。Adsorption runner 2 adsorption zone 21 intake pipe 3 is provided with heat exchange gas branch pipe 31, said heat exchange gas branch pipe 31 is connected with desorption zone 22 of adsorption runner 2 after passing through flue gas heat exchanger 4, and the outlet of desorption zone 22 The catalytic combustion reactor 5 is connected with the catalytic combustion reactor 5 through a pipeline, and the outlet of the catalytic combustion reactor 5 is provided with a flue gas pipeline 51 , and the flue gas pipeline 51 is emptied after passing through the flue gas heat exchanger 4 . Through the flue gas heat exchanger 4, a part of the exhaust gas is exchanged with the flue gas of the catalytic combustion reactor 5, and the desorption zone 22 is desorbed and purged to desorb the adsorbed substances. At this time, the exhaust gas entering the catalytic combustion reactor 5 The concentration is greatly increased, and the continuous operation of the catalytic combustion reactor 5 can be maintained, and the continuous catalytic combustion reaction can be continuously maintained without an ignition device. The thermal energy contained in the high-temperature flue gas returns to the desorption zone 22 and the catalytic combustion reactor 5 after heat exchange, and the whole process is carried out continuously, with very little energy consumption and excellent energy-saving effect.
所述换热器支管对吸附转轮2解吸区22的吹扫方向与进气管3对吸附转轮2吸附区21的吹扫方向相反。反向吹扫解吸一方面能够使吸附介质得到疏松降低气阻，另一方面还能够加快解吸速度，使装置的工作效率得到提高。The purging direction of the heat exchanger branch pipe to the desorption area 22 of the adsorption runner 2 is opposite to that of the air inlet pipe 3 to the adsorption area 21 of the adsorption runner 2 . On the one hand, reverse purge desorption can loosen the adsorption medium and reduce air resistance, on the other hand, it can also speed up the desorption speed and improve the working efficiency of the device.
所述废气风机1的入口通过干式除尘过滤器6与集气罩7连接。由于受工艺条件限制，一般产生有机废气的车间无法进行密闭，且喷气车间室内横向气流干扰较小，集气罩的使用能够将有机废气导入净化系统，同时防止污染物向生产车间及大气扩散。在整个预处理过程中，大量扩散的有机废气被集中吸入集气罩7中，通过管道进入干式除尘过滤器6，去除颗粒物质、漆雾和水分，以免粉尘堵塞活性炭微孔，使活性炭失效。The inlet of the exhaust fan 1 is connected with the air collecting hood 7 through the dry dust filter 6 . Due to the limitation of process conditions, the workshops that generally produce organic waste gas cannot be sealed, and the horizontal airflow in the jet workshop has little interference. The use of the gas collection hood can lead the organic waste gas into the purification system, and at the same time prevent pollutants from diffusing to the production workshop and the atmosphere. During the entire pretreatment process, a large amount of diffused organic waste gas is sucked into the gas collecting hood 7 and enters the dry dust filter 6 through the pipeline to remove particulate matter, paint mist and moisture, so as to prevent the dust from clogging the micropores of the activated carbon and making the activated carbon ineffective. .
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.
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| CN106621702A (en) * | 2017-03-23 | 2017-05-10 | 合肥工业大学 | Organic exhaust gas concentration treatment device |
| CN108679631A (en) * | 2018-04-23 | 2018-10-19 | 李凤春 | Environmentally friendly and energy-saving industrial waste gas combustion treatment device |
| CN110026049A (en) * | 2019-03-26 | 2019-07-19 | 合肥工业大学 | A kind of organic exhaust gas adsorption desorption catalyzing combustion testing platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106621702A (en) * | 2017-03-23 | 2017-05-10 | 合肥工业大学 | Organic exhaust gas concentration treatment device |
| CN108679631A (en) * | 2018-04-23 | 2018-10-19 | 李凤春 | Environmentally friendly and energy-saving industrial waste gas combustion treatment device |
| CN108679631B (en) * | 2018-04-23 | 2019-06-25 | 成都之和环保科技有限公司 | Environmental protection and energy saving industrial waste gas combustion treatment device |
| CN110026049A (en) * | 2019-03-26 | 2019-07-19 | 合肥工业大学 | A kind of organic exhaust gas adsorption desorption catalyzing combustion testing platform |
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