WO2012149842A1 - 一种高温烘箱的废气处理系统 - Google Patents

一种高温烘箱的废气处理系统 Download PDF

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Publication number
WO2012149842A1
WO2012149842A1 PCT/CN2012/072763 CN2012072763W WO2012149842A1 WO 2012149842 A1 WO2012149842 A1 WO 2012149842A1 CN 2012072763 W CN2012072763 W CN 2012072763W WO 2012149842 A1 WO2012149842 A1 WO 2012149842A1
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Prior art keywords
oven
stage
outlet pipe
exhaust gas
intake pipe
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PCT/CN2012/072763
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English (en)
French (fr)
Inventor
李小红
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浙江永通纺织印染有限公司
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Publication of WO2012149842A1 publication Critical patent/WO2012149842A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure

Definitions

  • the invention relates to an exhaust gas treatment system of a high temperature oven, which is applied to a continuous drying device, such as a coating machine for textile finishing, a setting machine, a leather manufacturing, a wood drying and the like.
  • High-temperature ovens are commonly used drying equipment in this field.
  • the high-temperature oven uses hot air to dry and clean the material, and the exhaust gas contains a large amount of underutilized heat energy and a large amount of particulate matter such as dander, grease and the like.
  • the estimated input heat is More than 70% are discharged from the exhaust port, and the lost heat not only wastes energy but also causes environmental pollution. Therefore, it is imperative to recycle the exhaust gas.
  • an object of the present invention is to provide an exhaust gas treatment system capable of purifying exhaust gas and having a high heat recovery efficiency.
  • an exhaust gas treatment system of a high temperature oven comprising an oven, a first stage outlet pipe, a first stage intake pipe, a second stage outlet pipe, a second stage intake pipe, a third-stage outlet pipe and a third-stage intake pipe;
  • the first-stage outlet pipe is located at an front end of the oven, and the first exhaust fan is disposed thereon, and the first exhaust fan is connected to an air heat exchanger;
  • the outdoor air passes through the air heat exchanger, and is exchanged by the third-stage intake pipe into the oven after heat exchange;
  • the second-stage air outlet pipe is located in the middle of the oven, and the second exhaust fan is disposed on the second exhaust fan
  • Connected to a first combustion chamber the first combustion chamber is coupled to a first stage intake manifold that extends to a front portion of the oven;
  • the third stage outlet tube is located at a rear end of the oven,
  • the exhaust gas treatment system of the high temperature oven of the present invention is further configured to: the first stage air outlet pipe, the first exhaust air fan, and the third stage air intake pipe form a first cycle; the first stage air outlet pipe is located at the front end of the oven; The third stage intake pipe is located at the rear end of the oven, and may be located at any position or multiple positions of the oven.
  • the exhaust gas treatment system of the high temperature oven of the present invention is further provided with an exhaust gas purifying device provided on one side of the air heat exchanger.
  • the exhaust gas treatment system of the high temperature oven of the present invention is further configured to: the second stage air outlet pipe, the second exhaust air fan, the first combustion chamber, and the first stage intake pipe form a second cycle, wherein the first stage intake pipe is located The front end of the oven.
  • the exhaust gas treatment system of the high temperature oven of the present invention is further configured to: the third stage outlet pipe, the third exhaust fan, the second combustion chamber and the second stage intake pipe form a third cycle, the second stage intake pipe is located The middle of the oven.
  • the exhaust gas treatment system of the high temperature oven of the present invention is further configured such that a heat source heat sink is disposed in the oven.
  • the exhaust gas treatment system of the high temperature oven of the present invention is further configured to:
  • the combination of the air outlet pipe, the exhaust fan, the combustion chamber and the intake pipe has a plurality of settings, and the intake pipe and the outlet pipe are connected in parallel and pass through the combustion chamber.
  • the exhaust gas treatment system of the high temperature oven of the present invention may also be arranged such that the oven can be provided in one or more series.
  • the invention has the following beneficial effects: the high-temperature oven exhaust gas treatment of the invention feeds the exhaust gas into the oven for recycling, which is beneficial to improving the utilization rate of the heat energy, burning harmful particulate matter and reducing the harmfulness in the exhaust gas.
  • the hot and humid exhaust gas with low front end temperature is exchanged with the supplemental air through the air heat exchanger, and the clean hot air is replenished into the oven, which further improves the utilization of heat energy.
  • FIG. 1 is a schematic view of an exhaust gas treatment system of a high temperature oven of the present invention.
  • the present invention is an exhaust gas treatment system for a high temperature oven comprising an oven 1 and a first stage air outlet 21
  • the oven 1 is provided with a heat source radiator 11 for heating the oven 1 to reach the temperature.
  • the heat source radiator 11 Oil heating, combustion heating or other heating methods can be used.
  • the oven 1 may also be a plurality of series connected, so that a plurality of exhaust gas treatment circulation devices can be provided, and the exhaust gas can be treated more efficiently.
  • the first stage air outlet pipe 21 is located at the front end of the oven 1, and is provided with a first exhaust fan 23, and the first exhaust fan 23 Connected to an air heat exchanger 24 .
  • the outdoor air passes through the air heat exchanger 24, enters the third-stage intake pipe 42 after heat exchange, and enters the oven 1 Any location or multiple locations within.
  • the third stage intake pipe 41 is located at the rear end of the oven 1.
  • An exhaust gas purifying device with a discharge port 251 is installed at one side of the air heat exchanger 24 25, the exhaust gas after the heat exchange is processed and discharged through the exhaust gas purifying device 25.
  • the air heat exchanger 24 is provided with an air supply port 241 for air inlet, and an air and air heat exchanger 24 Heat exchange is performed and enters the oven through the tertiary intake manifold 42.
  • the first stage air outlet pipe 21, the first exhaust fan 23, the heat exchanger 24, and the third stage intake pipe 42 A first cycle is formed to discharge the hot and humid exhaust gas having a lower temperature at the front end of the oven 1 while the fresh air supplied is passed through the air heat exchanger 24 to replenish the clean hot air into the oven 1 The rear part, thereby increasing the thermal energy utilization of the exhaust gas.
  • the second stage air outlet pipe 31 is located in the middle of the oven 1, and is provided with a second exhaust fan 33, and the second exhaust fan 33 Connected to the first combustion chamber 34, the first combustion chamber 34 is coupled to the first stage intake manifold 22.
  • the first stage intake pipe 22 extends to the oven 1 Any location or multiple locations within. In the present embodiment, the first stage intake pipe 22 is located at the front end of the oven 1. Passing through the first combustion chamber 34 The combustion of the particulate matter such as soot and dander can be burned to a certain extent.
  • the third stage air outlet pipe 41 is located at the rear end of the oven 1, and is provided with a third exhaust fan 43 and the third exhaust fan 43 Connected to the second combustion chamber 44, the second combustion chamber 44 is connected to the second stage intake pipe 32.
  • the second stage intake pipe 32 extends to the oven 1 Any location or multiple locations within. In the present embodiment, the second stage intake pipe 32 is located in the middle of the oven 1.
  • the third stage air outlet pipe 41, the third exhaust air fan 43, and the second combustion chamber 44 And the second stage intake pipe 32 forms a third cycle, and the exhaust gas at the rear end of the oven 1 is circulated to the middle of the oven 1, thereby purifying the exhaust gas and recycling it again.
  • the exhaust gas treatment system of the high temperature oven of the present invention The combination of the air outlet pipe, the exhaust fan, the combustion chamber and the intake pipe has a plurality of settings, and the intake pipe and the outlet pipe are connected in series and pass through the combustion chamber. Therefore, the heat energy and the exhaust gas can be utilized more efficiently, and are not limited to the three cycles in the present embodiment.
  • the exhaust gas treatment system of the high temperature oven of the present invention passes through the combustion chamber during the transportation process by recycling the exhaust gas.
  • the flue gas and the dander in the exhaust gas are burned to purify the exhaust gas, wherein the combustion mode may be flame combustion, infrared combustion, electric combustion, or other combustion methods; meanwhile, since the temperature of the exhaust gas itself is high, the heat source dissipates heat.
  • Device 11 The required energy consumption is less, the oven 1
  • the gas inside is heated; furthermore, the supplemented fresh air exchanges heat with the waste heat to further improve the utilization of heat energy; the amount of exhaust gas vents is also reduced, and the fresh air is also reduced, thereby reducing the exhaust gas. emission.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Description

一种高温烘箱的废气处理系统 技术领域
本发明涉及一种高温烘箱的废气处理系统，其应用于连续式烘干设备，如纺织品后整理的涂层机、定型机、皮革制造、木材烘干等设备。
背景技术
我国是纺织印染、皮革制造的大国，高温烘箱是该领域常用的烘干常用设备。高温烘箱利用热空气对材料进行干燥和整理，其排出的废气中含有大量未充分利用的热能以及大量的颗粒物，如毛屑、油脂等。经估算输入的热量有 70% 以上由排气口排出，散失的热量不仅浪费能源而且造成环境污染，因此，对废气的回收利用势在必行。
为解决上述技术问题，确有必要提供一种高温烘箱的废气处理系统，以克服现有技术中的所述缺陷。
发明内容
为解决上述问题，本发明的目的在于提供一种能净化废气且热能回收利用率高的高温烘箱的废气处理系统。
为实现上述目的，本发明采取的技术方案为：一种高温烘箱的废气处理系统，其包括烘箱、第一级出气管、第一级进气管、第二级出气管、第二级进气管、第三级出气管以及第三级进气管；所述第一级出气管位于烘箱前端，其上设有第一排风风机，该第一排风风机连接到一空气换热器上；所述室外空气经过所述空气换热器，换热后由第三级进气管进入烘箱内；所述第二级出气管位于烘箱中部，其上设有第二排风风机，该第二排风风机连接到第一燃烧室上，所述第一燃烧室与第一级进气管连接，该第一级进气管延伸到烘箱内的前部；所述第三级出气管位于烘箱的后端，其上设有第三排风风机，该第三排风风机连接到第二燃烧室上，该第二燃烧室与第二级进气管连接，该第二级进气管延伸到烘箱内的任一位置或多个位置。
本发明的高温烘箱的废气处理系统进一步设置为：所述第一级出气管、第一排风风机、第三级进气管形成第一循环；所述第一级出气管位于烘箱的前端；所述第三级进气管位于烘箱的后端，也可以位于烘箱的任一位置或多个位置。
本发明的高温烘箱的废气处理系统进一步设置为：于所述空气换热器一侧设有废气净化装置。
本发明的高温烘箱的废气处理系统进一步设置为：所述第二级出气管、第二排风风机、第一燃烧室以及第一级进气管形成第二循环，所述第一级进气管位于烘箱的前端。
本发明的高温烘箱的废气处理系统进一步设置为：所述第三级出气管、第三排风风机、第二燃烧室以及第二级进气管形成第三循环，所述第二级进气管位于烘箱的中部。
本发明的高温烘箱的废气处理系统进一步设置为：所述烘箱内设置有热源散热器。
本发明的高温烘箱的废气处理系统进一步设置为： 所述出气管、排风风机、燃烧室以及进气管的组合有多个设置，进气管、出气管并连设置且均经过燃烧室。
本发明的高温烘箱的废气处理系统还可设置为：所述烘箱能设置一个或多个串联。
与现有技术相比，本发明具有如下有益效果：本发明的高温烘箱废气处理将废气燃烧后送入烘箱循环利用，有利于提高热能的利用率，并燃烧掉有害颗粒物，减少了废气中有害物质排放；同时，将前端温度较低的湿热废气通过空气换热器与补充的空气热交换后，将干净热空气补充入烘箱，再次提高了热能的利用率。
附图说明
图 1 是本发明的高温烘箱的废气处理系统的原理图。
具体实施方式
请参阅说明书附图 1 所示，本发明为一种高温烘箱的废气处理系统，其包括烘箱 1 、第一级出气管 21 、第一级进气管 22 、第二级出气管 31 、第二级进气管 32 、第三级出气管 41 以及第三级进气管 42 。
其中，所述烘箱 1 内设置有热源散热器 11 ，用于加热烘箱 1 ，使其达到温度。所述热源散热器 11 可以采用油加热、燃烧加热或者其他加热方式。 所述 烘箱 1 也可为多个串联，从而能设置多个废气处理循环装置，能更加有效的处理废气。
所述第一级出气管 21 位于烘箱 1 前端，其上设有第一排风风机 23 ，该第一排风风机 23 连接到一空气换热器 24 上。所述室外空气经过所述空气换热器 24 ，换热后进入第三级进气管 42 而进入烘箱 1 内的任一位置或多个位置。在本实施方式中，所述第三级进气管 41 位于烘箱 1 的后端。于所述空气换热器 24 的一侧安装有一带排放口 251 的废气净化装置 25 ，通过废气净化装置 25 将换热后的废气进行处理并排放。所述空气换热器 24 底部开设有供空气进入的空气补充口 241 ，空气与空气换热器 24 进行热交换并通过第三级进气管 42 进入烘箱。
所述第一级出气管 21 、第一排风风机 23 、换热器 24 以及第三级进气管 42 形成第一循环，从而将烘箱 1 前端温度较低的湿热废气排出，同时，补充的新鲜空气在空气换热器 24 内通过，将干净热空气补充入烘箱 1 的后部，从而提高了废气的热能利用率。
所述第二级出气管 31 位于烘箱 1 中部，其上设有第二排风风机 33 ，该第二排风风机 33 连接到第一燃烧室 34 上，所述第一燃烧室 34 与第一级进气管 22 连接。该第一级进气管 22 延伸到烘箱 1 内的任一位置或多个位置。在本实施方式中，所述第一级进气管 22 位于烘箱 1 的前端。通过第一燃烧室 34 的燃烧，可将带油烟和毛屑等颗粒物的废气燃烧后进行一定程度的净化。所述第二级出气管 31 、第二排风风机 33 、第一燃烧室 34 以及第一级进气管 22 形成第二循环，将烘箱 1 中部的废气循环到烘箱 1 的前端，从而将废气净化后进行循环利用。
所述第三级出气管 41 位于烘箱 1 的后端，其上设有第三排风风机 43 ，该第三排风风机 43 连接到第二燃烧室 44 上，该第二燃烧室 44 与第二级进气管 32 连接。该第二级进气管 32 延伸到烘箱 1 内的任一位置或多个位置。在本实施方式中，所述第二级进气管 32 位于烘箱 1 的中部。所述第三级出气管 41 、第三排风风机 43 、第二燃烧室 44 以及第二级进气管 32 形成第三循环，将烘箱 1 后端的废气循环到烘箱 1 的中部，从而将废气净化后再次进行循环利用。
当然，本发明的高温烘箱的废气处理系统的 出气管、排风风机、燃烧室以及进气管的组合有多个设置，进气管、出气管并连设置且均经过燃烧室 ，从而能更有效的利用热能和处理废气，而不仅限于本实施列中的三个循环。
本发明的高温烘箱的废气处理系统通过将废气进行循环利用，在输送过程中通过燃烧室 44 将废气中的油烟和毛屑进行燃烧，从而净化了废气，其中，燃烧方式可以为火焰燃烧、红外线燃烧，电燃烧，或者其他燃烧方式；同时，由于废气本身的温度较高，因此，热源散热器 11 所需的能耗较少即可将烘箱 1 内的气体加热；再有，补充的新鲜空气通过与废气余热进行换热，进一步提高了热能的利用率；废气排放口的数量也随之减少，补充的新鲜空气也减少，从而降低了废气的排放。
以上的具体实施方式仅为本创作的较佳实施例，并不用以限制本创作，凡在本创作的精神及原则之内所做的任何修改、等同替换、改进等，均应包含在本创作的保护范围之内。

Claims (8)

1. 一种高温烘箱的废气处理系统，其特征在于：包括烘箱、第一级出气管、第一级进气管、第二级出气管、第二级进气管、第三级出气管以及第三级进气管；所述第一级出气管位于烘箱前端，其上设有第一排风风机，该第一排风风机连接到一空气换热器上；所述室外空气经过所述空气换热器，换热后由第三级进气管进入烘箱内；所述第二级出气管位于烘箱中部，其上设有第二排风风机，该第二排风风机连接到一第一燃烧室上，所述第一燃烧室与第一级进气管连接，该第一级进气管延伸到烘箱内的前部；所述第三级出气管位于烘箱的后端，其上设有第三排风风机，该第三排风风机连接到第二燃烧室上，该第二燃烧室与第二级进气管连接，该第二级进气管延伸到烘箱内的任一位置或多个位置。
2. 如权利要求 1 所述的高温烘箱的废气处理系统，其特征在于：所述第一级出气管、第一排风风机、第三级进气管形成第一循环；所述第一级出气管位于烘箱的前端；所述第三级进气管位于烘箱的后端，也可以位于烘箱的任一位置或多个位置。
3. 如权利要求 2 所述的高温烘箱的废气处理系统，其特征在于：于所述空气换热器一侧设有废气净化装置。
4. 如权利要求 1 所述的高温烘箱的废气处理系统，其特征在于：所述第二级出气管、第二排风风机、第一燃烧室以及第一级进气管形成第二循环，所述第一级进气管位于烘箱的前端。
5. 如权利要求 1 所述的高温烘箱的废气处理系统，其特征在于：所述第三级出气管、第三排风风机、第二燃烧室以及第二级进气管形成第三循环，所述第二级进气管位于烘箱的中部。
6. 如权利要求 1 所述的高温烘箱的废气处理系统，其特征在于：所述烘箱内设置有热源散热器。
7. 如权利要求 1 所述的高温烘箱的废气处理系统，其特征在于：所述出气管、排风风机、燃烧室以及进气管的组合能有多个设置，进气管、出气管能并连设置且均经过燃烧室。
8.如权利要求 1 所述的高温烘箱的废气处理系统，其特征在于：所述烘箱能设置一个或多个串联。
PCT/CN2012/072763 2011-05-05 2012-03-22 一种高温烘箱的废气处理系统 WO2012149842A1 (zh)

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CN107475969A (zh) * 2017-07-18 2017-12-15 响水文昊纺织品有限公司 一种纺织实用型定向机
CN108277654A (zh) * 2018-04-13 2018-07-13 广州市浩燃机电设备有限公司 一种合成革生产用燃气直接式自冷却的管式加热设备

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