CN103486844B - An exhaust gas treatment apparatus and a hot air drying method and heat recovery system - Google Patents

An exhaust gas treatment apparatus and a hot air drying method and heat recovery system Download PDF

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CN103486844B
CN103486844B CN 201310398265 CN201310398265A CN103486844B CN 103486844 B CN103486844 B CN 103486844B CN 201310398265 CN201310398265 CN 201310398265 CN 201310398265 A CN201310398265 A CN 201310398265A CN 103486844 B CN103486844 B CN 103486844B
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hot air
exhaust gas
air drying
drying apparatus
temperature
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CN103486844A (en )
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张利华
朱政元
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张利华
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes
    • Y02P70/40Drying by removing liquid

Abstract

本发明公开一种用于热风烘干装置的废气处理和热量回收方法及其系统,热风烘干装置排出的含有酮苯类有机气体和水蒸气的废气,在恒温加热装置通过恒温加热提供内含酮苯类有机气体和水蒸气的废气生成羟基化合物所需的恒定温度,生成含有羟基化合物的废气;利用高温加热装置加热提供内含羟基化合物的废气进行羰基合成反应所需的温度,利用羰基合成反应生成醇和水蒸气的过程中的强放热加热新空气形成热风烘干装置所需的热风,最后把醇和水蒸气排放掉。 Exhaust gas containing one benzene organic gases and vapors and exhaust gas treatment method and a heat recovery system, hot air drying device of the present invention discloses a means for discharging hot air drying, the temperature in the thermostatic heating device heating provided by the contents one benzene exhaust organic gases and steam temperature required for generating a constant hydroxy compound to produce exhaust gas containing hydroxy compound; provided using a high temperature heating means for heating the exhaust gas containing hydroxy compound desired oxo reaction temperature by an oxo alcohol generated during the reaction of water vapor in the air to form new strong exothermic heat hot air drying devices necessary for the hot air, and finally discharged out the alcohol vapor. 本发明在对热风烘干装置排出的有机废气进行无害化处理的过程中,充分回收有机废气化学反应所释放的热能,可对热风烘干装置的废气进行无害化处理的同时又可实现综合利用。 In the process of the present invention of organic waste discharged from the hot air drying apparatus detoxifying treatment, full recovery of organic waste heat released by the chemical reaction, while sound processing of the exhaust gas while achieving a hot air drying apparatus utilization.

Description

用于热风烘干装置的废气处理和热量回收方法及其系统 An exhaust gas treatment apparatus and a hot air drying method and heat recovery system

技术领域 FIELD

[0001] 本发明涉及废气处理技术领域,尤其是涉及热风烘干装置所排放的废气处理。 [0001] The present invention relates to an exhaust gas processing technology, and more particularly to an exhaust gas treatment apparatus of the discharged hot air drying.

背景技术 Background technique

[0002] 在工业生产中,很多工业产品都要进行烘干处理,烘干在生产中所要用到的有机溶剂和水分。 [0002] In industrial production, we have many industrial products for drying, drying in the production of the organic solvent and water to use. 烘干装置常见的是热风烘干装置,利用热风在一定的空间内对工件进行烘干,常用的有烘道式和烘箱式。 Drying is hot air drying apparatus common means of hot air for drying the workpiece, commonly used type, and oven drying channel type in a certain space. 热风烘干装置在工作过程中会产生大量的有机废气和水蒸气,传统的热风烘干装置的有机废气是直接排放,造成大气污染,而且大多数的有机废气对人体有害。 Hot air drying apparatus during operation generates a large amount of water vapor and organic waste, organic waste conventional hot air drying means is discharged directly cause air pollution, and most of the organic waste harmful.

[0003] 为了降低有害有机废气的排放,规定相关行业要对废气进行处理。 [0003] In order to reduce harmful exhaust emissions of organic, provisions related to the exhaust gas processing industries. 目前,热风烘干装置的废气处理只能是做到简单的无害化处理,还不能实现废气处理过程中的综合利用。 Currently, the exhaust gas treatment is a hot air drying apparatus can be simple harmless treatment, exhaust gas treatment can not be achieved during the utilization. 有机废气中的化合物含有大量的化学能,目前的简单的有机废气无害化处理时不能对这种形式的能量实现回收的,因此,不能做到废气的充分综合利用。 The organic compounds in the exhaust gas contains a large amount of chemical energy, the recovery can not be achieved this form of energy present simple organic waste gas harmless treatment, therefore, can not achieve full utilization of the exhaust gas.

发明内容 SUMMARY

[0004] 本发明要解决的技术问题是提供一种可对热风烘干装置的废气进行无害化,同时又可实现综合利用的方法及其系统。 [0004] The present invention is to solve the technical problem is to provide a hot air drying apparatus for an exhaust gas harmless, while at the same implement the method and system utilization.

[0005] 为解决上述技术问题所采用的技术方案:一种用于热风烘干装置的废气处理和热量回收方法,包括以下步骤: [0005] In order to solve the above technical problem technical solution: an exhaust gas treatment method of hot air drying and the heat recovery device, comprising the steps of:

[0006] —、热风烘干装置对内含酮苯类有机溶剂的生产工件进行烘干,同时排出含有酮苯类有机气体和水蒸气的废气; [0006] -, contains one of the hot air drying apparatus benzene organic solvent drying production pieces, while the discharge gas containing one benzene organic gases and water vapor;

[0007] 二、恒温加热装置接收热风烘干装置所排出的废气,同时通过恒温加热提供内含酮苯类有机气体和水蒸气的废气生成羟基化合物所需的恒定温度,同时生成含有羟基化合物的废气; [0007] Second, the thermostatic heating device to receive exhaust gases discharged from the hot air drying apparatus, while heating the contents providing one benzene organic gases and water vapor through the exhaust gas temperature to produce the desired constant temperature hydroxy compound, while generating the hydroxyl group-containing compound exhaust gas;

[0008] 三、高温加热装置接收恒温加热装置所排出的废气,同时通过加热提供内含羟基化合物的废气进行羰基合成反应所需的温度,利用羰基合成反应生成醇和水蒸气的过程中的强放热加热新空气形成热风烘干装置所需的热风,最后把醇和水蒸气排放掉。 Strong discharge procedure [0008] Third, a high temperature heating means for receiving exhaust gas discharged from the thermostatic heating device, while providing an exhaust gas containing hydroxy compound desired oxo reaction temperature by heating using steam generating alcohol and oxo reaction in fresh air heated by the heat required to form a hot air drying apparatus hot air, and finally discharged out the alcohol vapor.

[0009] 在上述基础上,废气在输送到恒温加热装置之前采用过滤除尘装置对热风烘干装置排放出来的废气进行除尘过滤。 [0009] Based on the above, the exhaust gas supplied to the exhaust gas discharged from the hot air drying apparatus dust filter dust filtration means before thermostatic heating device.

[0010] 在上述基础上,利用热交换装置将高温加热装置排放的醇和水蒸气所含有的余热回收到过滤除尘装置和恒温加热装置之间的输送管道。 [0010] Based on the above, the heat exchange means to heat the high-temperature heating means for discharging water vapor contained in the recovered alcohol to the delivery conduit between the filter and the dust removing device thermostatic heating device.

[0011] 为解决上述技术问题所采用的又一技术方案:一种采用上述方法的用于热风烘干装置的废气处理和热量回收系统,包括有热风烘干装置、恒温加热装置以及高温加热装置,其特征在于:所述热风烘干装置、恒温加热装置以及高温加热装置通过输送管道依次连接成一循环系统。 [0011] Yet another aspect is to solve the above technical problem: the exhaust heat recovery system and the processing method described above for the hot air drying apparatus comprises a hot air drying apparatus, a high temperature thermostatic heating device and a heating device characterized in that: said hot air drying apparatus, a high temperature thermostatic heating device and a heating means in turn connected to a circulation system through pipes.

[0012] 在上述基础上,所述热风烘干装置和恒温加热装置之间连接有过滤除尘装置。 [0012] Based on the above, the hot air drying apparatus, and a filter constant heating device is connected between the dust removal device.

[0013] 在上述基础上,所述过滤除尘装置和恒温加热装置之间连接有热交换装置,高温加热装置的醇和水蒸气的排放管道作为热交换管套穿在热交换装置内。 [0013] Based on the above, the dust removal means is connected between the filter and the thermostatic heating device heat exchange means, alcohol vapor discharge pipe temperature heating apparatus as a heat exchange tubes within the heat exchanger pull means.

[0014] 采用本发明所带来的有益效果:本发明在对热风烘干装置排出的有机废气进行无害化处理的过程中,充分回收有机废气化学反应所释放的热能,可对热风烘干装置的废气进行无害化处理的同时又可实现综合利用,实现真正意义上的节能减排。 [0014] The present invention brings advantages: In the process of the present invention, organic waste gas discharged hot air drying apparatus performs sound processing, the full recovery of the thermal energy released by the chemical reaction of organic waste can be of hot air drying while the exhaust gas treatment apparatus is harmless while achieving utilization, to achieve energy saving in the true sense.

附图说明 BRIEF DESCRIPTION

[0015]图1为本发明用于热风烘干装置的废气处理和热量回收系统的结构示意图。 [0015] Figure 1 is a schematic structural diagram of the invention the exhaust gas treatment and the heat recovery system for the hot air drying apparatus.

具体实施方式 detailed description

[0016] 如图1所示,一种采用上述方法的用于热风烘干装置的废气处理和热量回收系统,包括有热风烘干装置1、恒温加热装置2以及高温加热装置3,所述热风烘干装置1、恒温加热装置2以及高温加热装置3通过输送管道4依次连接成一循环系统。 The exhaust gas treatment and the heat recovery system [0016] As shown in FIG A method of the above-described apparatus 1 for hot air drying, hot air drying apparatus 1 comprises, thermostatic heating device 2 and the high-temperature heating means 3, the hot air drying apparatus 1, 2 and 3 thermostatic heating device a high temperature heating apparatus of the circulatory system in turn connected via a supply line 4.

[0017] 热风烘干装置I对内含酮苯类有机溶剂的生产工件进行烘干,同时排出含有酮苯类有机气体和水蒸气的废气;恒温加热装置2接收热风烘干装置I所排出的废气,同时通过恒温加热提供内含酮苯类有机气体和水蒸气的废气生成羟基化合物所需的恒定温度,同时生成含有羟基化合物的废气;高温加热装置3接收恒温加热装置2所排出的废气,同时通过加热提供内含羟基化合物的废气进行羰基合成反应所需的温度,利用羰基合成反应生成醇和水蒸气的过程中的强放热加热新空气形成热风烘干装置I所需的热风,最后把醇和水蒸气排放掉。 [0017] The hot air drying apparatus I is an organic solvent of benzene containing one production drying the workpiece, while discharging exhaust gas containing one benzene organic gases and water vapor; thermostatic heating device 2 receives the hot air drying apparatus discharged I the exhaust gas, while heating the contents providing one benzene organic gases and water vapor through the exhaust gas temperature to produce the desired constant temperature hydroxy compound, while generating exhaust gas containing hydroxy compound; thermostat apparatus 3 receiving high temperature exhaust gas discharged from the heating device 2, while providing by heating the exhaust gas containing hydroxy compound desired oxo reaction temperature, use of alcohol and water vapor generated during the carbonylation reaction is strongly exothermic synthesis heated fresh air hot air drying apparatus forming the desired hot air I, and finally alcohol and water vapor drained.

[0018] 这里以有机废气丁酮为例:丁酮在恒温加热装置2经过250度恒温加热,生成2-甲基-2-羟基丁笨;生成物在高温加热装置3经过300-400度高温加热生成2-甲基-1-稀基丁笨、2-甲基-2稀基丁笨、2-乙基-2稀基丙笨等一系列过程产物,而最终产物是醇和水蒸气。 [0018] In this organic waste butanone example: 2-butanone via the thermostatic heating device 250 degree temperature heating to produce 2-methyl-2-hydroxybutyric stupid; product temperature at the heating device 3 through a high temperature 300-400 degrees methyl-1 generated heated lean stupid butyl, 2-methyl-2 stupid dilute butyl, 2-ethyl-2-yl propan-lean product stupid series of processes, the final product is an alcohol and water vapor. 丁酮在经过了一系列复杂的羰基合成反应后强放热并排出醇和水蒸气。 Butanone strongly exothermic and alcohol vapor is discharged after a series of complex oxo reaction.

[0019] 在恒温加热装置2中,可以用电热等恒温加热设备进行恒温加热,恒温的温度根据有机气体的化学成分来调节,不同的化学成分所需的温度不同,温度维持在可令废气充分反应生成羟基化合物。 [0019] In the thermostatic heating device 2, and the like can be performed with an electric heating device temperature heating thermostat, the thermostat to adjust the temperature according to the chemical composition of the organic gas, a different chemical composition required for different temperatures, so that the exhaust gas can be maintained at a temperature sufficiently reaction of the hydroxy compound.

[0020] 在高温加热装置3中,可用燃炉或电热炉等传统的加热设备来加热,提供含有羟基化合物的废气充分进行羰基合成反应所需的高温。 [0020] In the high temperature heating apparatus 3, by conventional burner or an electric heating device to heat the furnace, exhaust gas containing hydroxy compound to provide sufficiently high temperatures required for the oxo reaction.

[0021] 从热风烘干装置I排出的废气大都含有杂质,因此,可在热风烘干装置I和恒温加热装置2之间连接有过滤除尘装置5,利用过滤除尘装置5将废气中的杂质过滤出来。 [0021] Most of impurities from the exhaust gas discharged from the hot air drying apparatus I, therefore, may be in a hot air dryer I thermostatic heating device and a filter 2 is connected between the dust removal device 5, the dust removing device using a filter 5 to filter impurities in the exhaust gas come out.

[0022]由于从高温加热装置3排放出的醇和水蒸气含有大量的余热,因此,可在过滤除尘装置5和恒温加热装置2之间连接有热交换装置。 [0022] Since the high temperature heating apparatus 3 from the discharged water vapor containing a large amount of alcohol and heat, and therefore, the dust removing device may be a filter 5 and the thermostatic heating device is connected between the second heat exchange means. 具体的,可将高温加热装置3的醇和水蒸气的排放管道6作为热交换管直接套穿在过滤除尘装置5和恒温加热装置2之间的输送管道4内,套穿在一起的排放管道6输送管道4构成热交换装置。 Specifically, the alcohol can be vapor exhaust conduit means 3 as high-temperature heating heat exchanger tube 6 directly pull the filter dust removal device 5 and the thermostatic heating device 4 between the delivery conduit 2, pull together the discharge conduit 6 conveying pipe 4 constitutes a heat exchange means.

Claims (6)

  1. 1.一种用于热风烘干装置的废气处理和热量回收方法,包括以下步骤: 一、热风烘干装置对内含酮苯类有机溶剂的生产工件进行烘干,同时排出含有酮苯类有机气体和水蒸气的废气; 二、恒温加热装置接收热风烘干装置所排出的废气,同时通过恒温加热提供内含酮苯类有机气体和水蒸气的废气生成羟基化合物所需的恒定温度,同时生成含有羟基化合物的废气; 三、高温加热装置接收恒温加热装置所排出的废气,同时通过加热提供内含羟基化合物的废气进行羰基合成反应所需的温度,利用羰基合成反应生成醇和水蒸气的过程中的强放热加热新空气形成热风烘干装置所需的热风,最后把醇和水蒸气排放掉。 An exhaust gas treatment method of hot air drying and the heat recovery device, comprising the steps of: a, one hot air drying apparatus containing an organic solvent benzene production pieces drying, while withdrawing the organic-containing benzene-one exhaust gases and water vapor; two exhaust gas discharged from the thermostatic heating device receiving hot air drying apparatus, while heating the contents providing one benzene organic gas and steam generated by the exhaust gas temperature of the constant temperature desired hydroxy compound, while generating exhaust gas containing hydroxy compound; three processes, high-temperature heating means for receiving exhaust gases discharged from the thermostatic heating device, while providing an exhaust gas containing hydroxy compound desired oxo reaction temperature by heating the steam generated alcohol using the oxo reaction strong exothermic heat fresh air needed to form a hot air drying apparatus hot air, and finally discharged out the alcohol vapor.
  2. 2.根据权利要求1所述的用于热风烘干装置的废气处理和热量回收方法,其特征在于:废气在输送到恒温加热装置之前采用过滤除尘装置对热风烘干装置排放出来的废气进行除尘过滤。 The exhaust gas treatment method for heat recovery and hot air drying apparatus according to claim 1, wherein: the exhaust gas supplied to the dust removing device before filtration thermostatic heating device for an exhaust gas discharged from the hot air drying apparatus dusted filter.
  3. 3.根据权利要求2所述的用于热风烘干装置的废气处理和热量回收方法,其特征在于:利用热交换装置将高温加热装置排放的醇和水蒸气所含有的余热回收到过滤除尘装置和恒温加热装置之间的输送管道。 The exhaust gas treatment method for heat recovery and hot air drying apparatus according to claim 2, wherein: the heat exchange means to heat the high-temperature heating means for discharging water vapor contained in the recovered alcohol to the filter and the dust removing device pipeline between the constant temperature heating device.
  4. 4.一种采用权利要求1方法的用于热风烘干装置的废气处理和热量回收系统,包括有热风烘干装置、恒温加热装置以及高温加热装置,其特征在于:所述热风烘干装置、恒温加热装置以及高温加热装置通过输送管道依次连接成一循环系统。 The exhaust gas treatment and the heat recovery system for a hot air drying apparatus 1. 4. A method of using the claim, including hot air drying apparatus, a high temperature thermostatic heating device and a heating device, characterized in that: said hot air drying apparatus, thermostatic heating device and a high-temperature heating means sequentially connected to the circulation system via a pipeline.
  5. 5.根据权利要求4所述的用于热风烘干装置的废气处理和热量回收系统,其特征在于:所述热风烘干装置和恒温加热装置之间连接有过滤除尘装置。 The exhaust gas treatment and the heat recovery system for a hot air drying apparatus according to claim 4, wherein: a filter dedusting device is connected between the hot air drying apparatus and the thermostatic heating device.
  6. 6.根据权利要求5所述的用于热风烘干装置的废气处理和热量回收系统,其特征在于:所述过滤除尘装置和恒温加热装置之间连接有热交换装置,高温加热装置的醇和水蒸气的排放管道作为热交换管套穿在热交换装置内。 The exhaust gas treatment and the heat recovery system for a hot air drying apparatus according to claim 5, wherein: said filter means is connected between the dust and the thermostatic heating device heat exchange means, alcohol and water temperature of the heating device vapor discharge conduit sleeve through the heat exchange in the heat exchange means.
CN 201310398265 2013-09-04 2013-09-04 An exhaust gas treatment apparatus and a hot air drying method and heat recovery system CN103486844B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801264A (en) * 1972-04-24 1974-04-02 Heil Co Dehydrating system with exhaust gas recycling
CN101011692A (en) * 2006-12-08 2007-08-08 黄桂清 Environment friendly and energy saving method and device for coat dying of continuous paint baking
CN101745198A (en) * 2008-12-13 2010-06-23 王永 Treatment method of residue generated in purification of industrial pentachlorophenol
CN101774654A (en) * 2009-01-08 2010-07-14 重庆宁寰再生资源开发有限责任公司 Treatment device of waste liquid/slag
CN101881553A (en) * 2010-06-22 2010-11-10 上海联净环保科技有限公司 Catalytic combustion heat recovery system and method
CN203443311U (en) * 2013-09-04 2014-02-19 张利华 Waste gas treatment and heat recovery system for hot air drying device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801264A (en) * 1972-04-24 1974-04-02 Heil Co Dehydrating system with exhaust gas recycling
CN101011692A (en) * 2006-12-08 2007-08-08 黄桂清 Environment friendly and energy saving method and device for coat dying of continuous paint baking
CN101745198A (en) * 2008-12-13 2010-06-23 王永 Treatment method of residue generated in purification of industrial pentachlorophenol
CN101774654A (en) * 2009-01-08 2010-07-14 重庆宁寰再生资源开发有限责任公司 Treatment device of waste liquid/slag
CN101881553A (en) * 2010-06-22 2010-11-10 上海联净环保科技有限公司 Catalytic combustion heat recovery system and method
CN203443311U (en) * 2013-09-04 2014-02-19 张利华 Waste gas treatment and heat recovery system for hot air drying device

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