CN105597490B - Organic waste gas adsorption, desorption, concentration and purification system and method thereof - Google Patents
Organic waste gas adsorption, desorption, concentration and purification system and method thereof Download PDFInfo
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Abstract
本发明是揭露一种有机废气吸脱附浓缩净化系统,在废气进入沸石转轮浓缩装置之前,利用回温控湿单元将焚化炉的废热引出并加热废气,使要进入沸石转轮浓缩装置的废气温度升温及相对湿度降低,可增进沸石转轮浓缩装置对废气中有机物质的吸附能力,进而提升废气中有机物质的去除效率。并且,本发明的有机废气吸脱附浓缩净化系统及其方法利用焚化炉的废热加热废气,并且依据废气的温度来控制引出的焚化炉的高温气体的流量,因此本发明无须额外加装用于加热的装置及/或管线,所以具有减少耗能的优点,此外,可减少系统管线中因外加组件造成的压损,并且可降低系统复杂度。
The present invention discloses an organic waste gas adsorption, desorption, concentration and purification system. Before the waste gas enters the zeolite rotor concentration device, the waste heat of the incinerator is extracted and heated by a temperature return and humidity control unit, so that the temperature of the waste gas to enter the zeolite rotor concentration device is increased and the relative humidity is reduced, which can enhance the adsorption capacity of the zeolite rotor concentration device for organic substances in the waste gas, thereby improving the removal efficiency of organic substances in the waste gas. In addition, the organic waste gas adsorption, desorption, concentration and purification system and method of the present invention utilize the waste heat of the incinerator to heat the waste gas, and control the flow rate of the high-temperature gas extracted from the incinerator according to the temperature of the waste gas. Therefore, the present invention does not need to install additional heating devices and/or pipelines, so it has the advantage of reducing energy consumption. In addition, it can reduce the pressure loss caused by the additional components in the system pipeline and reduce the complexity of the system.
Description
技术领域technical field
本发明涉及一种有机废气吸脱附浓缩净化系统及其方法,用于使废气中的有机物质减少或去除。The invention relates to an organic waste gas adsorption, desorption, concentration and purification system and a method thereof, which are used for reducing or removing organic substances in waste gas.
背景技术Background technique
许多制程中会产生含有机物质的废气,大部分的挥发性有机物质会对人体产生危害,因此,制程产生的废气需经净化处理并满足废气排放标准后,才能排放至外界环境中。现有的有机废气净化系统是采用沸石转轮浓缩装置及焚化炉,其中,该沸石转轮浓缩装置内部区隔有吸附区及脱附区并沸石转轮持续转动经过该吸附区与该脱附区,制程产生的废气引入该吸附区中,通过该沸石转轮吸附废气中的有机物质,转动至该脱附区中的沸石转轮,通过引入的脱附气流将吸附于沸石转轮上的有机物质脱附下来,而带有脱附下来的有机物质的脱附气流引入该焚化炉进行焚化处理。如此,通过沸石转轮的旋转运作,使沸石转轮不断的重复吸附及脱附的步骤,使通过该沸石转轮浓缩装置后的废气中所含的有机物质减少到排放标准后,才能排出至大气中。In many manufacturing processes, waste gas containing organic substances will be produced, and most of the volatile organic substances will cause harm to the human body. Therefore, the waste gas generated by the process must be purified and treated and meet the exhaust gas emission standards before it can be discharged into the external environment. The existing organic waste gas purification system adopts a zeolite runner concentration device and an incinerator, wherein, the zeolite runner concentration device is divided into an adsorption zone and a desorption zone, and the zeolite runner continuously rotates through the adsorption zone and the desorption zone. The waste gas generated by the process is introduced into the adsorption zone, and the organic substances in the waste gas are adsorbed by the zeolite runner, and then rotated to the zeolite runner in the desorption zone. The organic matter is desorbed, and the desorbed gas stream with the desorbed organic matter is introduced into the incinerator for incineration. In this way, through the rotating operation of the zeolite runner, the steps of adsorption and desorption are continuously repeated by the zeolite runner, so that the organic substances contained in the exhaust gas after passing through the zeolite runner concentration device can be reduced to the emission standard before they can be discharged to in the atmosphere.
在一些制程(例如喷涂制程)中,制程产生的废气内含有大量的粒状物,因此,在制程后端常采用洗涤塔或其他涤尘装置来洗涤废气,以减少废气中的粒状物,因此,最后排出的废气为低温且高湿度。In some processes (such as spraying process), the exhaust gas generated by the process contains a large amount of particulate matter. Therefore, scrubbers or other dust cleaning devices are often used at the back end of the process to wash the exhaust gas to reduce the particulate matter in the exhaust gas. Therefore, The final exhaust gas is low temperature and high humidity.
然而,低温且高湿度的废气不利于该沸石转轮浓缩装置中疏水性沸石对有机物质的去除效率,具体而言,以相对湿度及其他条件固定下,废气的温度越高,沸石转轮对废气中有机物质的去除效率越低,以异丙醇为例,废气达45℃以上时,沸石转轮对异丙醇的去除效率下降至92%以下,且去除效率随温度增加而急速降低;然而若废气温度过低(一般在20℃以下),可能致使沸石转轮轮面因低于脱附气体的露点温度而结露湿润,造成去除效率急速降低;以温度及其他条件固定下,废气的相对湿度越高,沸石转轮对废气中有机物质的去除效率越低,以异丙醇或丙酮为例,废气的相对湿度达85%以上时,沸石转轮对异丙醇或丙酮的去除效率急速下降至90%以下,且去除效率随相对湿度增加而急速降低。However, the low temperature and high humidity exhaust gas is not conducive to the removal efficiency of the hydrophobic zeolite for organic substances in the zeolite runner concentration device. Specifically, under the fixed relative humidity and other conditions, the higher the exhaust gas temperature The lower the removal efficiency of organic substances in the exhaust gas is, taking isopropanol as an example, when the exhaust gas reaches above 45°C, the removal efficiency of isopropanol by the zeolite runner drops to below 92%, and the removal efficiency decreases rapidly with the increase of temperature; However, if the temperature of the exhaust gas is too low (generally below 20°C), the surface of the zeolite runner may become wet due to the dew point temperature of the desorbed gas, resulting in a rapid reduction in the removal efficiency; under the fixed temperature and other conditions, the exhaust gas The higher the relative humidity, the lower the removal efficiency of zeolite runner for organic substances in waste gas. Taking isopropanol or acetone as an example, when the relative humidity of waste gas reaches more than 85%, the zeolite runner can remove isopropanol or acetone. Efficiency drops sharply below 90%, and removal efficiency drops sharply with increasing relative humidity.
据此,现有的有机废气净化系统应用于处理生低温且高湿度的废气时,其对有机物的去除效率不佳,且有耗能的缺点。Accordingly, when the existing organic waste gas purification system is applied to the treatment of waste gas with low temperature and high humidity, the removal efficiency of organic matter is not good, and there are disadvantages of energy consumption.
发明内容SUMMARY OF THE INVENTION
为解决上述现有的有机废气净化系统应用于处理生低温且高湿度的废气时对有机物的去除效率不佳的问题,本发明提出一种有机废气吸脱附浓缩净化系统及方法。In order to solve the problem of poor removal efficiency of organic matter when the existing organic waste gas purification system is applied to the treatment of low temperature and high humidity waste gas, the present invention proposes an organic waste gas adsorption, desorption, concentration and purification system and method.
为达上述目的及其他目的,本发明提供一种有机废气吸脱附浓缩净化系统,包含焚化炉、废热旁通热交换器、沸石转轮浓缩装置、温度传感器及回温控制单元;该废热旁通热交换器连接该燃烧室以将该燃烧室的高温气体引入以进行热交换;该沸石转轮浓缩装置具有吸附区、吹除区及脱附区,该吸附区的入口端连接废气进气管以及出口端连接至烟囱,该吹除区的入口端用于输入吹除气流以及出口端连接至该废热旁通热交换器,该吹除气流经过该废热旁通热交换器加热后作为脱附气流且输入至该脱附区的入口端,该脱附区的出口端连接至该焚化炉;该温度传感器设置于该废气进气管靠近该吸附区的入口端处,用于量测该废气进气管内温度;该回温控湿单元连接于该废气进气管,且该回温控湿单元由该焚化炉引出高温气体来加热该废气进气管内的废气,并依据该温度传感器量测的温度来控制引出的高温气体的流量。In order to achieve the above purpose and other purposes, the present invention provides an organic waste gas adsorption, desorption, concentration and purification system, comprising an incinerator, a waste heat bypass heat exchanger, a zeolite runner concentration device, a temperature sensor and a temperature return control unit; A heat exchanger is connected to the combustion chamber to introduce the high temperature gas in the combustion chamber for heat exchange; the zeolite runner concentration device has an adsorption zone, a blow-off zone and a desorption zone, and the inlet end of the adsorption zone is connected to the exhaust gas inlet pipe And the outlet end is connected to the chimney, the inlet end of the blow-off area is used for inputting the blow-off gas flow and the outlet end is connected to the waste heat bypass heat exchanger, and the blow-off gas flow is heated by the waste heat bypass heat exchanger as desorption. The airflow is input to the inlet end of the desorption zone, and the outlet end of the desorption zone is connected to the incinerator; the temperature sensor is arranged at the inlet end of the exhaust gas inlet pipe near the adsorption zone, and is used to measure the exhaust gas intake. The temperature in the gas pipe; the return temperature and humidity control unit is connected to the exhaust gas intake pipe, and the return temperature and humidity control unit draws high-temperature gas from the incinerator to heat the exhaust gas in the exhaust gas intake pipe, and the temperature measured by the temperature sensor is used. To control the flow rate of the extracted high temperature gas.
上述的吸脱附浓缩净化系统,其中该回温控湿单元包含回温热交换器、引流管线及循环风车,该回温热交换器连接该废热旁通热交换器,由该废热旁通热交换器出口的高温气体被引入并经过该回温热交换器后流至该烟囱;该引流管线具有引出管及回流管,该引出管两端连接于该吸附区的入口端及该回温热交换器,该回流管两端连接该回温热交换器及该废气进气管;循环风车,设置于该引流管在线并电性连接该温度传感器,该循环风车用于将该吸附区的入口端的废气抽送引出一部分经由该引出管至该回温交换器,以及将与高温气体热交换后的废气经由该回流管输送回到该废气进气管,并该循环风车依据该温度传感器量测的温度决定抽送的流量。The above-mentioned adsorption-desorption concentration and purification system, wherein the return temperature and humidity control unit comprises a return temperature heat exchanger, a drainage pipeline and a circulating windmill, the return temperature heat exchanger is connected to the waste heat bypass heat exchanger, and the waste heat bypass heat The high-temperature gas at the outlet of the exchanger is introduced and flows to the chimney after passing through the recuperation heat exchanger; the drainage pipeline has a lead-out pipe and a return pipe, and both ends of the lead-out pipe are connected to the inlet end of the adsorption zone and the return heat. The two ends of the return pipe are connected to the return temperature heat exchanger and the exhaust gas intake pipe; the circulating windmill is arranged on the line of the drainage pipe and is electrically connected to the temperature sensor, and the circulating windmill is used for the inlet end of the adsorption zone. Part of the exhaust gas is drawn out to the temperature return exchanger through the extraction pipe, and the exhaust gas after heat exchange with the high-temperature gas is transported back to the exhaust gas intake pipe through the return pipe, and the circulating windmill is determined according to the temperature measured by the temperature sensor. pumped traffic.
上述的有机废气吸脱附浓缩净化系统,其中该吸附区的入口端前设置有粒状物过滤器,用于过滤由该废气进气管输入的废气中的粒状物。In the above-mentioned organic waste gas adsorption, desorption, concentration and purification system, a particulate filter is arranged in front of the inlet end of the adsorption zone, which is used to filter the particulate matter in the exhaust gas input from the exhaust gas inlet pipe.
上述的有机废气吸脱附浓缩净化系统,其中该焚化炉为直燃式焚化炉,该焚化炉具有与该燃烧室连接的预热热交换器,且该脱附区的出口端连接至该预热热交换器,该脱附气流经由该预热热交换器被预热后流至该燃烧室,并经燃烧后形成高温气体进入该预热热交换器进行热交换,该废热旁通热交换器连接该预热热交换器,由该预热热交换器出口的高温气体经过该废热旁通热交换器与该回温热交换器进行热交换。The above-mentioned organic waste gas adsorption, desorption, concentration and purification system, wherein the incinerator is a direct-fired incinerator, the incinerator has a preheating heat exchanger connected to the combustion chamber, and the outlet end of the desorption zone is connected to the preheating. A heat exchanger, the desorbed gas stream is preheated through the preheating heat exchanger and then flows to the combustion chamber, and after combustion, a high temperature gas is formed into the preheating heat exchanger for heat exchange, and the waste heat bypasses heat exchange The device is connected to the preheating heat exchanger, and the high temperature gas from the outlet of the preheating heat exchanger conducts heat exchange with the recuperating heat exchanger through the waste heat bypass heat exchanger.
上述的有机废气吸脱附浓缩净化系统,其中该燃烧室的出口端设置有连通槽体,该预热热交换器、该废热旁通热交换器及该回温热交换器靠近设置于该连通槽体中。The above-mentioned organic waste gas adsorption, desorption, concentration and purification system, wherein the outlet end of the combustion chamber is provided with a communication tank, and the preheating heat exchanger, the waste heat bypass heat exchanger and the return heat exchanger are arranged close to the communication in the tank.
上述的有机废气吸脱附浓缩净化系统,其中该回温控湿单元包含尾气回收管线、比例式控制阀门及配重式逆止风门,该尾气回收管线的入口端及出口端分别连接于该焚化炉的排气管线及该废气进气管;该比例式控制阀门,设置于该尾气回收管在线,该比例式控制阀门依据该温度传感器感量测的温度而比例式地控制通过该尾气回收管线的流量;该配重式逆止风门,设置于该焚化炉的排气管在线并邻近于该尾气回收管线的入口端,该配重式逆止风门的开启大小依据该排气管线内的气压来决定。The above-mentioned organic waste gas adsorption, desorption, concentration and purification system, wherein the temperature and humidity control unit comprises a tail gas recovery line, a proportional control valve and a counterweight type check damper, and the inlet end and the outlet end of the tail gas recovery line are respectively connected to the incinerator The exhaust pipeline of the furnace and the exhaust gas intake pipe; the proportional control valve is arranged on the line of the exhaust gas recovery pipe, and the proportional control valve proportionally controls the flow rate of the exhaust gas through the exhaust gas recovery pipeline according to the temperature sensed by the temperature sensor. flow; the counterweight type back damper is arranged on the exhaust pipe line of the incinerator and is adjacent to the inlet end of the exhaust gas recovery line, and the opening size of the counterweight type back damper is based on the air pressure in the exhaust line. Decide.
上述的有机废气吸脱附浓缩净化系统,其中该吸附区的入口端前设置有粒状物过滤器,用于过滤由该废气进气管输入的废气中的粒状物。In the above-mentioned organic waste gas adsorption, desorption, concentration and purification system, a particulate filter is arranged in front of the inlet end of the adsorption zone, which is used to filter the particulate matter in the exhaust gas input from the exhaust gas inlet pipe.
为达成上述目的及其他目的,本发明还提供一种有机废气吸脱附浓缩净化方法,用于处理含有机物质的废气,该有机废气吸脱附浓缩净化法包含下列步骤:a将该废气经由废气进气管引入沸石转轮浓缩装置,其中该沸石转轮浓缩装置至少具有吸附区及脱附区,该吸附区的入口端连接废气进气管及出口端连接至烟囱,该脱附区的入口端输入脱附气流及出口端连接至焚化炉,该焚化炉用于焚化处理来自该脱附区的脱附气流;b引出该焚化炉的高温气体至该废气进气管,并加热该废气进气管内的废气;c量测该废气进气管内的温度;d依据量测到的温度来控制由该焚化炉引出的高温气体的流量。借此,使该沸石转轮浓缩装置的吸附区的入口端的废气升温且除湿,以增进该沸石转轮浓缩装置对有机物质的吸附能力。In order to achieve the above object and other objects, the present invention also provides a method for the adsorption, desorption, concentration and purification of organic waste gas for processing waste gas containing organic substances, and the method for adsorption, desorption, concentration and purification of organic waste gas comprises the following steps: a. The exhaust gas inlet pipe is introduced into the zeolite runner concentration device, wherein the zeolite runner concentration device has at least an adsorption zone and a desorption zone, the inlet end of the adsorption zone is connected to the exhaust gas inlet pipe and the outlet end is connected to the chimney, and the inlet end of the desorption zone is connected to the chimney. The input desorption gas flow and the outlet end are connected to the incinerator, and the incinerator is used to incinerate the desorption gas flow from the desorption zone; b draw out the high temperature gas of the incinerator to the exhaust gas intake pipe, and heat the exhaust gas intake pipe The exhaust gas; c measure the temperature in the exhaust gas inlet pipe; d control the flow rate of the high temperature gas drawn from the incinerator according to the measured temperature. Thereby, the exhaust gas at the inlet end of the adsorption zone of the zeolite runner concentration device is heated up and dehumidified, so as to improve the adsorption capacity of the zeolite runner concentration device for organic substances.
上述的有机废气吸脱附浓缩净化方法,其中重复步骤b至d,使该废气进气管内的废气的温度升温至20-40℃及相对湿度低于80%。The above-mentioned organic waste gas adsorption, desorption, concentration and purification method, wherein steps b to d are repeated, so that the temperature of the waste gas in the waste gas inlet pipe is raised to 20-40° C. and the relative humidity is lower than 80%.
上述的有机废气吸脱附浓缩净化方法,其中该步骤b中,该高温气体由该焚化炉的燃烧室引出,或者,该高温气体为该焚化炉的出口端的尾气。The above-mentioned organic waste gas adsorption, desorption, concentration and purification method, wherein in the step b, the high temperature gas is drawn from the combustion chamber of the incinerator, or the high temperature gas is the tail gas at the outlet end of the incinerator.
据此,本发明的有机废气吸脱附浓缩净化系统及其方法在废气进入该沸石转轮浓缩装置之前,使该废气进气管内的废气温度升温及相对湿度降低,而可增进该沸石转轮浓缩装置对废气中有机物质的吸附能力,而提升废气中有机物质的去除效率。并且,本发明的有机废气吸脱附浓缩净化系统利用焚化炉的废热加热该废气进气管内的废气,而无须额外加装加热装置及/或管线,故具有减少耗能的优点,此外,可减少系统管线中因外加组件造成的压损,且可降低系统复杂度。Accordingly, the organic waste gas adsorption, desorption, concentration and purification system and method of the present invention can increase the temperature of the exhaust gas and reduce the relative humidity in the exhaust gas inlet pipe before the exhaust gas enters the zeolite runner concentration device, so that the zeolite runner can be improved. The adsorption capacity of the concentration device to the organic substances in the exhaust gas improves the removal efficiency of the organic substances in the exhaust gas. In addition, the organic waste gas adsorption, desorption, concentration and purification system of the present invention utilizes the waste heat of the incinerator to heat the waste gas in the waste gas inlet pipe without additional heating devices and/or pipelines, so it has the advantage of reducing energy consumption. Reduce the pressure loss caused by external components in the system pipeline, and can reduce the system complexity.
附图说明Description of drawings
图1为本发明第一实施例的有机废气吸脱附浓缩净化系统的配置示意图。FIG. 1 is a schematic diagram of the configuration of the organic waste gas adsorption, desorption, concentration and purification system according to the first embodiment of the present invention.
图2为本发明第一实施例的有机废气吸脱附浓缩净化系统中不包含粒状物过滤器的配置示意图。FIG. 2 is a schematic diagram of the configuration of the organic waste gas adsorption, desorption, concentration and purification system according to the first embodiment of the present invention, which does not include a particulate filter.
图3为本发明第二实施例的有机废气吸脱附浓缩净化系统的配置示意图。FIG. 3 is a schematic diagram of the configuration of the organic waste gas adsorption, desorption, concentration and purification system according to the second embodiment of the present invention.
图4为本发明第三实施例的有机废气吸脱附浓缩净化系统的配置示意图。FIG. 4 is a schematic diagram of the configuration of the organic waste gas adsorption, desorption, concentration and purification system according to the third embodiment of the present invention.
【符号说明】【Symbol Description】
1 有机废气吸脱附浓缩净化系统1 Organic waste gas adsorption, desorption, concentration and purification system
110 焚化炉110 Incinerators
111 燃烧室111 Combustion chamber
112,113 蓄热室112,113 Regenerators
114 提升阀114 Poppet valve
120 废热旁通热交换器120 Waste heat bypass heat exchanger
130 沸石转轮浓缩装置130 Zeolite Wheel Concentrator
131 吸附区131 Adsorption zone
132 吹除区132 Blowout Zone
133 脱附区133 Desorption zone
134 沸石转轮134 Zeolite runner
140 温度传感器140 Temperature sensor
150 回温控湿单元150 return temperature and humidity control unit
151 回温热交换器151 Return heat exchanger
152 引流管线152 Drainage line
152a 引出管152a outlet tube
152b 回流管152b return line
153 循环风车153 Circulating windmill
160 废气进气管160 Exhaust intake pipe
170 烟囱170 Chimney
180 粒状物过滤器180 Particulate Filter
2 有机废气吸脱附浓缩净化系统2 Organic waste gas adsorption, desorption, concentration and purification system
210 焚化炉210 Incinerators
211 燃烧室211 Combustion chamber
212 预热热交换器212 Preheat heat exchanger
215 连通槽体215 Connecting groove
220 废热旁通热交换器220 Waste heat bypass heat exchanger
250 回温控湿单元250 return temperature and humidity control unit
251 回温热交换器251 return heat exchanger
252 引流管线252 Drainage line
252a 引出管252a outlet tube
252b 回流管252b return line
253 循环风车253 Circulating windmill
310 焚化炉310 Incinerators
311 燃烧室311 Combustion chamber
312 排气管线312 Exhaust line
314 提升阀314 Poppet Valve
350 回温控湿单元350 return temperature and humidity control unit
351 尾气回收管线351 Exhaust gas recovery line
352 比例式控制阀门352 Proportional Control Valve
353 配重式逆止风门353 Counterweight Backstop Damper
360 缓冲气流管线360 Buffer Air Line
361 控制阀361 Control Valve
362 缓冲槽362 Buffer slot
具体实施方式Detailed ways
为充分了解本发明的目的、特征和效果,现通过下述具体的实施例,并配合附图,对本发明做进一步详细说明,说明如下:In order to fully understand the purpose, features and effects of the present invention, now through the following specific embodiments, and in conjunction with the accompanying drawings, the present invention is described in further detail, and the description is as follows:
本发明的有机废气吸脱附浓缩净化系统及方法用于处理制程后端排放的废气,尤其,一些制程(例如喷涂制程等)于排放废气前将废气通过洗涤塔来进行涤尘处理,以去除废气中大部分的粒状物,而经过该洗涤塔的废气的温度会下降至20-30℃且湿度会上升至100%。本发明的有机废气吸脱附浓缩净化法包含下列步骤:a将该废气经由废气进气管引入沸石转轮浓缩装置,其中该沸石转轮浓缩装置至少具有吸附区及脱附区,该吸附区的入口端连接废气进气管及出口端连接至烟囱,该脱附区的入口端输入脱附气流及出口端连接至焚化炉,该焚化炉用于焚化处理来自该脱附区的脱附气流;b引出该焚化炉的高温气体至该废气进气管,并加热该废气进气管内的废气;c量测该废气进气管内的温度;d依据量测到的温度来控制由该焚化炉引出的高温气体的流量。借此,使该沸石转轮浓缩装置的吸附区的入口端的废气升温且除湿,以增进该沸石转轮浓缩装置对有机物质的吸附能力。The organic waste gas adsorption, desorption, concentration and purification system and method of the present invention are used to treat the waste gas discharged from the back end of the process. In particular, some processes (such as spraying process, etc.) Most of the particulate matter in the waste gas, and the temperature of the waste gas passing through the scrubber will drop to 20-30°C and the humidity will rise to 100%. The organic waste gas adsorption-desorption concentration purification method of the present invention comprises the following steps: a. the waste gas is introduced into a zeolite runner concentration device through an exhaust gas inlet pipe, wherein the zeolite runner concentration device has at least an adsorption zone and a desorption zone, and the adsorption zone is The inlet end is connected to the exhaust gas intake pipe and the outlet end is connected to the chimney, the inlet end of the desorption zone inputs the desorption gas stream and the outlet end is connected to the incinerator, the incinerator is used for incinerating the desorption gas stream from the desorption zone; b Lead out the high temperature gas of the incinerator to the exhaust gas intake pipe, and heat the exhaust gas in the exhaust gas intake pipe; c measure the temperature in the exhaust gas intake pipe; d control the high temperature drawn from the incinerator according to the measured temperature flow of gas. Thereby, the exhaust gas at the inlet end of the adsorption zone of the zeolite runner concentration device is heated up and dehumidified, so as to improve the adsorption capacity of the zeolite runner concentration device for organic substances.
如图1所示,本发明第一实施例的有机废气吸脱附浓缩净化系统1用于处理制程后产生的有机废气,包含焚化炉110、废热旁通热交换器120、沸石转轮浓缩装置130、温度传感器140及回温控湿单元150。As shown in FIG. 1 , the organic waste gas adsorption, desorption, concentration and
该焚化炉110具有燃烧室111,该燃烧室111中设置有炉头或电热式加热器,以使进入的气体被燃烧处理。The
该废热旁通热交换器120连接该燃烧室111,以将该燃烧室111的高温气体引入以进行热交换,其中,由该燃烧室111引入的高温气体作为加热源。The waste heat
该沸石转轮浓缩装置130具有吸附区131、吹除区132及脱附区133,其中,该吸附区131、该吹除区132及该脱附区133于槽体中区隔形成的隔间,沸石转轮134设置于该槽体中并可转动而依序经过该吸附区131、该脱附区133及该吹除区132,在该吸附区131中,该沸石转轮134吸附废气中的有机物质,在该脱附区33中,通过脱附气流将吸附于沸石转轮134上的有机物质脱附下来,在该吹除区132中,通过吹除气流将脱附后的沸石转轮134冷却并除湿。The zeolite
其中,该吸附区131的入口端连接废气进气管160及出口端连接至烟囱170,废气经过该吸附区131被吸附处理后通往该烟囱170排放;该吹除区132的入口端用于输入低温的吹除气流及出口端连接至该废热旁通热交换器120,低温的吹除气流经该废热旁通热交换器120加热后做为脱附气流且输入至该脱附区133的入口端,该脱附区133的出口端连接至该焚化炉110,含有有机物质的脱附气流引入该焚化炉110焚化处理。The inlet end of the
该温度传感器140设置于该废气进气管160靠近该吸附区131的入口端处,用于量测该废气进气管160内温度。The
该回温控湿单元150连接于该废气进气管160,且该回温控湿单元150由该焚化炉110引出高温气体来加热该废气进气管160内的废气,并依据该温度传感器量测140的温度来控制引出的高温气体的流量。由该焚化炉110引出的高温气体与该废气进气管160内的废气混合而加热废气,而使废气进入该沸石转轮浓缩装置130的吸附区131前,该废气的温度升温至20-40℃及相对湿度低于80%。The return temperature and
本实施例中,该回温控湿单元150包含回温热交换器151、引流管线152及循环风车153,该回温热交换器151连接该废热旁通热交换器120,由该废热旁通热交换器120出口的高温气体被引入并经过该回温热交换器151后流至该烟囱170;该引流管线152具有引出管152a及回流管152b,该引出管152a两端连接于该吸附区131的入口端及该回温热交换器151,该回流管152b两端连接该回温热交换器151及该废气进气管160;该循环风车153设置于该引流管线152上并电性连接该温度传感器140,该循环风车153用于将该吸附区131的入口端的废气抽送引出一部分经由该引出管152a至该回温交换器151,以及将与高温气体热交换后的废气经由该回流管152b输送回到该废气进气管160,并该循环风车153依据该温度传感器140量测的温度决定抽送的流量。In this embodiment, the return temperature and
举例而言,当该温度量测器140量测的温度低于预定值(例如20℃)时,该循环风车153增加循环的风量,使被抽送至该回温热交换器151的废气流量增加,进而增加热交换后的较高温并经由该回流管152b输送回到该废气进气管160的废气流量。而当该温度量测器140量测的温度高于预定值(例如40℃)时,该循环风车153降低循环的风量,使被抽送至该回温热交换器151的废气流量降低,进而降低热交换后的较高温并经由该回流管152b输送回到该废气进气管160的废气流量。For example, when the temperature measured by the
本实施例中,该焚化炉110示例为双槽型蓄热式焚化炉,在该燃烧室111的两侧连通两蓄热室112,113,该焚化炉110的进气与排气可通过提升阀114或其他阀组来开关。其中,该焚化炉110的种类及进排气的相关管线配置不限于本实施例及附图,该焚化炉110也可为三槽型蓄热式焚化炉或旋转型蓄热式焚化炉。In this embodiment, the
据此,本发明第一实施例的有机废气吸脱附浓缩净化系统1通过该回温控湿单元150,在废气进入该沸石转轮浓缩装置130之前,使该废气进气管160内的废气温度升温及相对湿度降低,可增进该沸石转轮浓缩装置130对废气中有机物质的吸附能力,进而提升废气中有机物质的去除效率。并且,本发明第一实施例的有机废气吸脱附浓缩净化系统1利用焚化炉110的燃烧室111旁通引出的高温气体加热该吹除气流以作为高温的脱附气流,同时再引出该高温气体来加热该回温热交换器151中循环的废气,加热后的废气经该引流管线152流至该废气进气管160而使该废气进气管160内的废气温度上升,而无须额外加装加热装置及/或管线,所以具有减少耗能的优点,此外,可减少系统管线中因外加组件造成的压损,并且可降低系统复杂度。Accordingly, the organic waste gas adsorption, desorption, concentration and
如图2所示,本发明第一实施例的有机废气吸脱附浓缩净化系统1可进一步包含粒状物过滤器180,该粒状物过滤气180设置于该吸附区131的入口端前,用于过滤由该废气进气管160输入的废气中的粒状物,以减少废气中的粒状物阻塞管线、沸石转轮134及其他废气会通过的组件。As shown in FIG. 2 , the organic waste gas adsorption, desorption, concentration and
如图3所示,为本发明第二实施例的机废气吸脱附浓缩净化系统2的配置示意图。本发明第二实施例与第一实施例主要不同之处在于焚化炉、废热旁通热交换器及回温控湿单元的结构及配置。此外,本实施例的附图中与该第一实施例作用及功能相同的组件是沿用相同的组件符号。As shown in FIG. 3 , it is a schematic configuration diagram of the exhaust gas adsorption, desorption, concentration and
本发明第二实施例中,该焚化炉210实施为一直燃式焚化炉,该焚化炉210具有与该燃烧室211连接的预热热交换器212,且该脱附区133的出口端连接至该预热热交换器212,含有机物质的脱附气流经过该预热热交换器212被预热后流至该燃烧室211,并经燃烧后形成高温气体进入该预热热交换器进行热交换,即该高温气体与后续进入该预热热交换器212的脱附气流,使该脱附气流被预热。In the second embodiment of the present invention, the
本实施例中,该废热旁通热交换器220连接该焚化炉210的预热热交换器212,由该预热热交换器212流出的高温气体做为热交换的加热源,使进入该废热旁通热交换器220中的脱附气流与高温气体进行热交换。In this embodiment, the waste heat
本实施例的回温控湿单元250的回温热交换器251连接该废热旁通热交换器220,由该废热旁通热交换器220出口的高温气体被引入并经过该回温热交换器251后流至该烟囱170。The
具体而言,该预热热交换器212、该废热旁通热交换器220及该回温热交换器251相邻设置且相连通,而使经该燃烧室211燃烧后形成的高温气体依序通过该预热热交换器212、该废热旁通热交换器220及该回温热交换器251。如图所示,该燃烧室211的出口端可设置有连通槽体215,该预热热交换器212、该废热旁通热交换器220及该回温热交换器251相邻设置于该连通槽体215中。Specifically, the preheating
本实施例的回温控湿单元250的引流管线252,具有引出管252a及回流管252b,该引出管252a两端连接于该吸附区131的入口端及该回温热交换器251,该回流管252b两端连接该回温热交换器251及该废气进气管160。The
本实施例的回温控湿单元250的循环风车253,设置于该引流管线252上并电性连接该温度传感器140,该循环风车253用于将该吸附区131的入口端的废气抽送引出一部分经由该引出管252b至该回温交换器251,以及将与高温气体热交换后的废气经由该回流管252b输送回到该废气进气管160,并该循环风车253依据该温度传感器140量测的温度决定抽送的流量。The circulating
本实施例中,相同于第一实施例,该有机废气吸脱附浓缩净化系统2可包含粒状物过滤器180,该粒状物过滤气180设置于该吸附区131的入口端前,用于过滤由该废气进气管160输入的废气中的粒状物,以减少废气中的粒状物阻塞管线、沸石转轮134及其他废气会通过的组件。In this embodiment, the same as the first embodiment, the organic waste gas adsorption, desorption, concentration and
据此,本发明第二实施例的有机废气吸脱附浓缩净化系统2通过该回温控湿单元250,在废气进入该沸石转轮浓缩装置130之前,使该废气进气管160内的废气温度升温及相对湿度降低,可增进该沸石转轮浓缩装置130对废气中有机物质的吸附能力,进而提升废气中有机物质的去除效率。并且,本发明第二实施例的有机废气吸脱附浓缩净化系统2使焚化炉210的燃烧室211燃烧后的高温气体流经该预热热交换器212、该废热旁通热交换器220及该回温热交换器251,以通过该燃烧室211燃烧后的高温气体加热该吹除气流以做为高温的脱附气流,并加热该引流管线252的废气,加热后的废气经该引流管线252流回该废气进气管160而使该废气进气管160内的废气温度上升,而无须额外加装加热装置及/或管线,所以具有减少耗能的优点,此外,可减少系统管线中因外加组件造成的压损,且可降低系统复杂度。Accordingly, the organic waste gas adsorption, desorption, concentration and
如图4所示,其示为本发明第三实施例的有机废气吸脱附浓缩净化系统3的配置示意图。本发明第三实施例与第一实施例主要不同之处在于回温控湿单元的结构及配置,此外,本实施例的附图中与该第一实施例作用及功能相同的组件沿用相同的组件符号。As shown in FIG. 4 , which is a schematic configuration diagram of the organic waste gas adsorption, desorption, concentration and
本发明第三实施例中,该有机废气吸脱附浓缩净化系统3的回温控湿单元350包含尾气回收管线351、比例式控制阀门352及配重式逆止风门353。In the third embodiment of the present invention, the temperature return and
该尾气回收管线351的入口端及出口端分别连接于该焚化炉310的排气管线312及该废气进气管160,其中,该排气管线312用于将焚化炉310燃烧处理后的气体排放至烟囱170。The inlet end and the outlet end of the exhaust
该比例式控制阀门352设置于该尾气回收管线351上,该比例式控制阀门352依据该温度传感器140感量测的温度而通过阀门的开启大小来比例式地控制通过该尾气回收管线351的流量;举例而言,当该温度量测器140量测的温度低于预定值(例如20℃)时,该比例式控制阀门352还打开以增加通过该尾气回收管线351的燃烧处理后的高温气体的流量。而当该温度量测器140量测的温度高于预定值(例如40℃)时,该比例式控制阀门352关小以降低通过该尾气回收管线351的燃烧处理后的高温气体的流量。The
该配重式逆止风门353设置于该焚化炉310的排气管线312上并靠近于该尾气回收管线351的入口端,该配重式逆止风门353具有与管内气压相关联的配重连动结构(图中未示),该配重式逆止风门353的开启大小依据该排气管线312内的气压来决定。The counterweight type back
具体而言,当该比例式控制阀门352开启时,该排气管线312内的气流流至该尾气回收管线351,该配重式逆止风门353因该排气管线312内的气压下降而关小或全关;当该比例式控制阀门352关闭时,该排气管线312内的气流流向该配重式逆止风门242,该配重式逆止风门353因该排气管线312内的气压不变而维持开启状态,使该排气管线312内的气流通过该配重式逆止风门353而流至该烟囱170。Specifically, when the
本实施例中,相同于第一实施例,该有机废气吸脱附浓缩净化系统3可包含粒状物过滤器180,该粒状物过滤气180设置于该吸附区131的入口端前,用于过滤由该废气进气管160输入的废气中的粒状物,以减少废气中的粒状物阻塞管线、沸石转轮134及其他废气会通过的组件。In this embodiment, the same as the first embodiment, the organic waste gas adsorption, desorption, concentration and
此外,本实施例中,该尾气回收管线351可连接缓冲气流管线360,该缓冲气流管线360上设有控制阀361及缓冲槽362,当焚化炉的提升阀314切换流向时,该控制阀361开启,此时该焚化炉310的尾气引入该缓冲槽362,以使可能含有机物的尾气被送至该沸石转轮浓缩装置130进行处理。In addition, in this embodiment, the exhaust
据此,本发明第三实施例的有机废气吸脱附浓缩净化系统3通过该回温控湿单元350,在废气进入该沸石转轮浓缩装置130之前,使该废气进气管160内的废气温度升温及相对湿度降低,可增进该沸石转轮浓缩装置130对废气中有机物质的吸附能力,进而提升废气中有机物质的去除效率。并且,本发明第三实施例的有机废气吸脱附浓缩净化系统3利用焚化炉出口的尾气的废热加热该废气进气管160内的废气,而无须额外加装加热装置及/或管线,所以具有减少耗能的优点,此外,可减少系统管线中因外加组件造成的压损,并可降低系统复杂度。Accordingly, the organic waste gas adsorption, desorption, concentration and
本发明在上文中已通过较佳实施例揭露,然而本领域技术人员应理解的是,该实施例仅用于描绘本发明,而不应解读为限制本发明的范围。应注意的是,凡是与该实施例等效的变化与置换,均应设为涵盖于本发明的范畴内。因此,本发明的保护范围应当以权利要求所界定的范围为准。The present invention has been disclosed above through preferred embodiments, however, those skilled in the art should understand that the embodiments are only used to describe the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to this embodiment should be set to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims.
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