WO2024007354A1 - Environmentally friendly system for recovering waste gas generated during heating of emulsified asphalt - Google Patents

Environmentally friendly system for recovering waste gas generated during heating of emulsified asphalt Download PDF

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Publication number
WO2024007354A1
WO2024007354A1 PCT/CN2022/105258 CN2022105258W WO2024007354A1 WO 2024007354 A1 WO2024007354 A1 WO 2024007354A1 CN 2022105258 W CN2022105258 W CN 2022105258W WO 2024007354 A1 WO2024007354 A1 WO 2024007354A1
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WIPO (PCT)
Prior art keywords
exhaust gas
waste gas
transmission pipe
emulsified asphalt
output end
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PCT/CN2022/105258
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French (fr)
Chinese (zh)
Inventor
虞将苗
叶心成
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华运通达(广东)道路科技有限公司
华运通达(广东)路桥建设有限公司
华运通达(广东)环保路面技术开发有限公司
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Publication of WO2024007354A1 publication Critical patent/WO2024007354A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the utility model relates to emulsified asphalt heating exhaust gas recovery technology, specifically an environmental protection system for emulsified asphalt heating exhaust gas recovery.
  • Asphalt is a dark-brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a type of high-viscosity organic liquid. It is liquid and has a black surface. It is soluble in carbon disulfide, asphalt heating and asphalt-containing substances. Aerosols and vapors produced by combustion. The volatile compounds in the exhaust gas generated by asphalt heating are discharged into the atmosphere and become one of the atmospheric pollutants. The components of exhaust gas are extremely complex and vary depending on the source of asphalt. The exhaust gas contains both solid and liquid particles condensed from the volatile components of asphalt, as well as organic matter in the vapor state.
  • the equipment that produces asphalt waste gas must be airtightly ventilated, and then discharged after purification, which can effectively prevent and control asphalt waste gas pollution.
  • the current emulsified asphalt heating test device has the disadvantage of not processing the asphalt exhaust gas, which causes physical harm to test personnel.
  • the present utility model proposes an environmentally friendly system for recovering emulsified asphalt heating exhaust gas.
  • the purpose is to solve the problem of insufficient treatment of asphalt exhaust gas by current emulsified asphalt heating test devices and physical damage to test personnel.
  • An environmental protection system for recovering waste gas from heating emulsified asphalt including a waste gas collection cover, a ventilation device, a waste gas treatment device, a waste gas detection device, a transmission pipe and an exhaust pipe; the waste gas collection cover, the ventilation device and the waste gas treatment device It is connected with the exhaust gas detection device through the transmission pipe in turn, and the exhaust pipe is connected with the output end of the exhaust gas detection device.
  • the transmission pipe includes a first transmission pipe, a second transmission pipe and a third transmission pipe;
  • the output end of the exhaust gas collection cover is connected to the input end of the first transmission pipe, the input end of the ventilation device is connected to the output end of the first transmission pipe, and the output end of the ventilation device is connected to The input end of the second transmission pipe, the input end of the exhaust gas treatment device is connected to the output end of the second transmission pipe, and the output end of the exhaust gas treatment device is connected to the input end of the third transmission pipe,
  • the input end of the exhaust gas detection device is connected to the output end of the third transmission pipe, and the output end of the exhaust gas detection device is connected to the input end of the exhaust pipe.
  • the exhaust gas collection cover is a hemispherical plastic cover with an open top.
  • the ventilation device is a smoking exhaust fan.
  • the exhaust gas treatment device is a plastic tank.
  • the exhaust gas treatment device is divided into three layers from top to bottom.
  • the first layer is an activated carbon absorption layer for absorbing particulate matter in the exhaust gas;
  • the second layer is an alkaline solution.
  • the first layer is used to absorb sulfur dioxide in the exhaust gas;
  • the third layer is the air purification layer, which is used to purify the treated exhaust gas.
  • the exhaust gas detection device is a transparent plastic tank, and a potassium permanganate solution is contained in the exhaust gas detection device for detecting the content of sulfur dioxide in the exhaust gas.
  • the first transmission pipe, the second transmission pipe and the third transmission pipe are all retractable plastic hoses.
  • the exhaust pipe is a plastic hose.
  • This solution sequentially passes the exhaust gas generated by heating the asphalt through the exhaust gas collection cover, ventilation device, exhaust gas treatment device and exhaust gas detection device to obtain the treated exhaust gas, which reduces the physical damage of the asphalt exhaust gas to the test personnel.
  • the system has a simple structure, is easy to operate, can adjust the distance between each device, and has strong adaptability.
  • Figure 1 is a schematic structural diagram of an environmental protection system for emulsified asphalt heating waste gas recovery
  • Figure 2 is a schematic structural diagram of an embodiment.
  • Exhaust gas collection cover 2. Ventilation device; 3. Exhaust gas treatment device; 4. Exhaust gas detection device; 5. Transmission pipe assembly; 6. Exhaust pipe; 10. The output end of the exhaust gas collection cover; 21. Ventilation device The input end; 22. The output end of the ventilation device; 31. The input end of the exhaust gas treatment device; 32. The output end of the exhaust gas treatment device; 41. The input end of the exhaust gas detection device; 42. The output end of the exhaust gas detection device; 51. The first transmission pipe; 52. The second transmission pipe; 53. The third transmission pipe; 61. The input end of the exhaust pipe; 511. The input end of the first transmission pipe; 512. The output end of the first transmission pipe; 521. The input end of the second transmission tube; 522, the output end of the second transmission tube; 531, the input end of the third transmission tube; 532, the output end of the third transmission tube.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise stated, the meaning of "plurality” is two or more.
  • An environmentally friendly system for recovering waste gas from heating emulsified asphalt including a waste gas collection cover 1, a ventilation device 2, a waste gas treatment device 3, a waste gas detection device 4, a transmission pipe 5 and an exhaust pipe 6; the waste gas collection cover 1 and the ventilation device 2
  • the exhaust gas treatment device 3 and the exhaust gas detection device 4 are connected through the transmission pipe 5 in turn, and the exhaust pipe 6 is connected to the output end 42 of the exhaust gas detection device 4 .
  • FIG. 1 An environmentally friendly system for recovering waste gas from heating emulsified asphalt in this solution is shown in Figure 1.
  • the waste gas generated when the asphalt is heated is gathered in the waste gas collection hood 1, and the power generated by the ventilation device 2 moves the waste gas through the exhaust gas collection hood 1.
  • the transmission pipe 5 is transported to the exhaust gas treatment device 3.
  • the exhaust gas passes through the activated carbon adsorption layer, the alkaline solution layer and the air purification layer of the exhaust gas treatment device 3 from top to bottom under the action of air pressure, and the particulate matter contained therein and After the sulfur dioxide is absorbed and processed, it enters the exhaust gas detection device 4 through the transmission pipe 5.
  • the sulfur dioxide content in the treated exhaust gas is detected in real time through the change in color of the potassium permanganate solution in the exhaust gas detection device 4. , when the color of the potassium permanganate solution changes, immediately replace the alkaline solution in the exhaust gas treatment device 4 to prevent incomplete sulfur dioxide treatment, and the exhaust gas after treatment is discharged through the exhaust pipe 6 .
  • This solution sequentially passes the exhaust gas generated by heating the asphalt through the exhaust gas collection cover 1, ventilation device 2, exhaust gas treatment device 3 and exhaust gas detection device 4 to obtain the treated exhaust gas, which reduces the physical damage of the asphalt exhaust gas to the test personnel.
  • the system has a simple structure, is easy to operate, can adjust the distance between each device, and has strong adaptability.
  • the transmission pipe 5 includes a first transmission pipe 51, a second transmission pipe 52 and a third transmission pipe 53; the output end 10 of the exhaust gas collection cover 1 is connected to the input end 511 of the first transmission pipe 51.
  • the input end 21 of the ventilation device 2 is connected to the output end 512 of the first transmission pipe 51
  • the output end 22 of the ventilation device 2 is connected to the input end 521 of the second transmission pipe 52
  • the input end 31 of the exhaust gas treatment device 3 is connected to the output end 522 of the second transmission pipe 52
  • the output end 32 of the exhaust gas treatment device 3 is connected to the input end 531 of the third transmission pipe 53.
  • the exhaust gas The input end 41 of the detection device 4 is connected to the output end 532 of the third transmission pipe 53
  • the output end 42 of the exhaust gas detection device 4 is connected to the input end 61 of the exhaust pipe 6 .
  • the transmission pipe 5 includes a first transmission pipe 51, a second transmission pipe 52 and a third transmission pipe 53.
  • first transmission pipe 51, the second transmission pipe 52 and the third transmission pipe 53 effectively connecting the exhaust gas collection cover 1, the ventilation device 2, the exhaust gas treatment device 3 and the exhaust gas detection device 4, and better distributing the asphalt exhaust gas in each device. Process and drain.
  • the exhaust gas collection cover 1 is a hemispherical plastic cover with an open top. Specifically, the top of the exhaust gas collection cover 1 is provided with an opening, which can better communicate with the transmission pipe 5. Since the exhaust gas collection cover 1 is a hemispherical plastic cover with a top opening, the asphalt exhaust gas is limited to escape when the asphalt is heated. Disperse the external environment and accelerate the absorption of exhaust gas.
  • the ventilation device 2 is a smoking exhaust fan. Specifically, since the ventilation device 2 is a smoking exhaust fan, it is convenient to transport the exhaust gas collected by the exhaust gas collection cover 1 to other devices as quickly as possible.
  • the ventilation device 2 can adjust the wind power according to the heating rate and the exhaust gas generation speed.
  • the exhaust gas treatment device 3 is a plastic tank.
  • the exhaust gas treatment device 3 is divided into three layers from top to bottom.
  • the first layer is an activated carbon absorption layer for absorbing particulate matter in the exhaust gas;
  • the second layer is an alkali layer.
  • the liquid solution layer is used to absorb sulfur dioxide in the exhaust gas;
  • the third layer is the air purification layer, which is used to purify the treated exhaust gas.
  • the asphalt waste gas passes through the activated carbon absorption layer, the alkaline solution layer and the air purification layer from top to bottom in the waste gas treatment device 3 under the action of air pressure.
  • the treatment time is long, ensuring excellent treatment effects.
  • the exhaust gas detection device 4 is a transparent plastic tank, and the exhaust gas detection device 3 is filled with potassium permanganate solution for detecting the content of sulfur dioxide in the exhaust gas.
  • the exhaust gas detection device 4 is a transparent plastic tank, it is convenient to observe the change in the color of the potassium permanganate solution in the tank. If the color of the potassium permanganate solution gradually becomes lighter from purple-red, it means that there is still presence in the exhaust gas. Sulfur dioxide component. In one embodiment, when the color of the potassium permanganate solution does not change, it means that the sulfur dioxide in the exhaust gas has been completely treated.
  • the first transmission pipe 51 , the second transmission pipe 52 and the third transmission pipe 53 are all retractable plastic hoses. Specifically, since the first transmission pipe 51 , the second transmission pipe 52 and the third transmission pipe 53 are all telescopic plastic hoses, the first transmission pipe 51 and the third transmission pipe 51 can be adjusted by telescopic adjustment. The lengths of the second transmission pipe 52 and the third transmission pipe 53 can adjust the distance between each device.
  • the exhaust pipe 6 is a plastic hose.
  • the exhaust pipe 6 is conducive to discharging the treated exhaust gas, and the use of plastic hoses is low-cost and easy to purchase.
  • the exhaust pipe 6 is a transparent plastic hose.
  • the exhaust pipe 6 is an opaque plastic hose.

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  • Engineering & Computer Science (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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Abstract

An environmentally friendly system for recovering waste gas generated during heating of emulsified asphalt, the system comprising a waste gas collection cover (1), a ventilation device (2), a waste gas treatment device (3), a waste gas detection device (4), conveying pipes (51, 52, 53), and a gas outlet pipe (6), wherein the waste gas collection cover (1), the ventilation device (2), the waste gas treatment device (3) and the waste gas detection device (4) sequentially communicate with each other by means of the conveying pipes (51, 52, 53); and the gas outlet pipe (6) communicates with an output end (42) of the waste gas detection device. The environmentally friendly system solves the problem that the current emulsified asphalt heating test unit cannot achieve insufficient treatment of asphalt waste gas, causing physical damage to test personnel.

Description

一种乳化沥青加热废气回收的环保系统An environmentally friendly system for recycling emulsified asphalt heating exhaust gas 技术领域Technical field
本实用新型涉及乳化沥青加热废气回收技术，具体是一种乳化沥青加热废气回收的环保系统。The utility model relates to emulsified asphalt heating exhaust gas recovery technology, specifically an environmental protection system for emulsified asphalt heating exhaust gas recovery.
背景技术Background technique
沥青是由不同分子量的碳氢化合物及其非金属衍生物组成的黑褐色复杂混合物，是高黏度有机液体的一种，呈液态，表面呈黑色，可溶于二硫化碳，沥青加热和含沥青物质的燃烧产生的气溶胶和蒸气。沥青加热产生的废气中的挥发物排放到大气中，便成为大气污染物之一。废气组分极为复杂，随沥青来源不同而异。废气中既有沥青挥发组分凝结成的固体和液体微粒，又有蒸气状态的有机物。对产生沥青废气的设备进行密闭抽风，然后经净化后排放，可以有力地防治沥青废气污染。但目前乳化沥青加热试验装置未对沥青废气进行处理的不足，沥青废气对试验人员造成身体的危害。Asphalt is a dark-brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a type of high-viscosity organic liquid. It is liquid and has a black surface. It is soluble in carbon disulfide, asphalt heating and asphalt-containing substances. Aerosols and vapors produced by combustion. The volatile compounds in the exhaust gas generated by asphalt heating are discharged into the atmosphere and become one of the atmospheric pollutants. The components of exhaust gas are extremely complex and vary depending on the source of asphalt. The exhaust gas contains both solid and liquid particles condensed from the volatile components of asphalt, as well as organic matter in the vapor state. The equipment that produces asphalt waste gas must be airtightly ventilated, and then discharged after purification, which can effectively prevent and control asphalt waste gas pollution. However, the current emulsified asphalt heating test device has the disadvantage of not processing the asphalt exhaust gas, which causes physical harm to test personnel.
实用新型内容Utility model content
针对上述缺陷，本实用新型提出了一种乳化沥青加热废气回收的环保系统，目的在于解决了目前乳化沥青加热试验装置对沥青废气处理不足对试验人员造成身体损害的问题。In view of the above defects, the present utility model proposes an environmentally friendly system for recovering emulsified asphalt heating exhaust gas. The purpose is to solve the problem of insufficient treatment of asphalt exhaust gas by current emulsified asphalt heating test devices and physical damage to test personnel.
为达此目的，本实用新型采用以下技术方案：To achieve this purpose, the utility model adopts the following technical solutions:
一种乳化沥青加热废气回收的环保系统，包括废气收集罩、通风装置、废气处理装置、废气检测装置、传输管以及排气管；所述废气收集罩、所述通风装置、所述废气处理装置和所述废气检测装置依次通过所述传输管连通，所述排气管连通于所述废气检测装置的输出端。An environmental protection system for recovering waste gas from heating emulsified asphalt, including a waste gas collection cover, a ventilation device, a waste gas treatment device, a waste gas detection device, a transmission pipe and an exhaust pipe; the waste gas collection cover, the ventilation device and the waste gas treatment device It is connected with the exhaust gas detection device through the transmission pipe in turn, and the exhaust pipe is connected with the output end of the exhaust gas detection device.
优选地，所述传输管包括第一传输管、第二传输管和第三传输管；Preferably, the transmission pipe includes a first transmission pipe, a second transmission pipe and a third transmission pipe;
所述废气收集罩的输出端连通于所述第一传输管的输入端，所述通风装置的输入端连通于所述第一传输管的输出端，所述所述通风装置的输出端连通于所述第二传输管的输入端，所述废气处理装置的输入端连通于所述第二传输管的输出端，所述废气处理装置的输出端连通于所述第三传输管的输入端，所述废气检测装置的输入端连通于所述第三传输管的输出端，所述废气检测装置的输出端与所述排气管的输入端相连通。The output end of the exhaust gas collection cover is connected to the input end of the first transmission pipe, the input end of the ventilation device is connected to the output end of the first transmission pipe, and the output end of the ventilation device is connected to The input end of the second transmission pipe, the input end of the exhaust gas treatment device is connected to the output end of the second transmission pipe, and the output end of the exhaust gas treatment device is connected to the input end of the third transmission pipe, The input end of the exhaust gas detection device is connected to the output end of the third transmission pipe, and the output end of the exhaust gas detection device is connected to the input end of the exhaust pipe.
优选地，所述废气收集罩为顶部开口的半球型塑料罩。Preferably, the exhaust gas collection cover is a hemispherical plastic cover with an open top.
优选地，所述通风装置为吸烟排风扇。Preferably, the ventilation device is a smoking exhaust fan.
优选地，所述废气处理装置为塑料罐，所述废气处理装置自上而下分为三层，第一层为活性碳吸收层，用于吸收废气中的颗粒物；第二层为碱性溶液层，用于吸收废气中的二氧化硫；第三层为空气净化层，用于净化处理后的废气。Preferably, the exhaust gas treatment device is a plastic tank. The exhaust gas treatment device is divided into three layers from top to bottom. The first layer is an activated carbon absorption layer for absorbing particulate matter in the exhaust gas; the second layer is an alkaline solution. The first layer is used to absorb sulfur dioxide in the exhaust gas; the third layer is the air purification layer, which is used to purify the treated exhaust gas.
优选地，所述废气检测装置为透明的塑料罐，所述废气检测装置内装有高锰酸钾溶液，用于检测废气中二氧化硫的含量。Preferably, the exhaust gas detection device is a transparent plastic tank, and a potassium permanganate solution is contained in the exhaust gas detection device for detecting the content of sulfur dioxide in the exhaust gas.
更优地，所述第一传输管、所述第二传输管和所述第三传输管均是可伸缩的塑料软管。More preferably, the first transmission pipe, the second transmission pipe and the third transmission pipe are all retractable plastic hoses.
优选地，所述排气管为塑料软管。Preferably, the exhaust pipe is a plastic hose.
本申请实施例提供的技术方案可以包括以下有益效果：The technical solutions provided by the embodiments of this application may include the following beneficial effects:
本方案通过将沥青加热产生的废气依次经过废气收集罩、通风装置、废气处理装置和废气检测装置，得到处理后的废气，减小了沥青废气对试验人员的身体损害。此外，本系统的构造简单、易于操作，可调节各装置的间距，适应性强。This solution sequentially passes the exhaust gas generated by heating the asphalt through the exhaust gas collection cover, ventilation device, exhaust gas treatment device and exhaust gas detection device to obtain the treated exhaust gas, which reduces the physical damage of the asphalt exhaust gas to the test personnel. In addition, the system has a simple structure, is easy to operate, can adjust the distance between each device, and has strong adaptability.
附图说明Description of the drawings
图1是一种乳化沥青加热废气回收的环保系统的结构示意图；Figure 1 is a schematic structural diagram of an environmental protection system for emulsified asphalt heating waste gas recovery;
图2是一实施例的结构示意图。Figure 2 is a schematic structural diagram of an embodiment.
其中，1、废气收集罩；2、通风装置；3、废气处理装置；4、废气检测装置；5、传输管组件；6、排气管；10、废气收集罩的输出端；21、通风装置的输入端；22、通风装置的输出端；31、废气处理装置的输入端；32、废气处理装置的输出端；41、废气检测装置的输入端；42、废气检测装置的输出端；51、第一传输管；52、第二传输管；53、第三传输管；61、排气管的输入端；511、第一传输管的输入端；512、第一传输管的输出端；521、第二传输管的输入端；522、第二传输管的输出端；531、第三传输管的输入端；532、第三传输管的输出端。Among them, 1. Exhaust gas collection cover; 2. Ventilation device; 3. Exhaust gas treatment device; 4. Exhaust gas detection device; 5. Transmission pipe assembly; 6. Exhaust pipe; 10. The output end of the exhaust gas collection cover; 21. Ventilation device The input end; 22. The output end of the ventilation device; 31. The input end of the exhaust gas treatment device; 32. The output end of the exhaust gas treatment device; 41. The input end of the exhaust gas detection device; 42. The output end of the exhaust gas detection device; 51. The first transmission pipe; 52. The second transmission pipe; 53. The third transmission pipe; 61. The input end of the exhaust pipe; 511. The input end of the first transmission pipe; 512. The output end of the first transmission pipe; 521. The input end of the second transmission tube; 522, the output end of the second transmission tube; 531, the input end of the third transmission tube; 532, the output end of the third transmission tube.
具体实施方式Detailed ways
下面结合附图并通过具体实施方式来进一步说明本实用新型的技术方案。The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementations.
在本实用新型的描述中，需要理解的是，术语“长度”、“中”、“上”、“下”、“左”、“右”、“顶”、“底”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。In the description of the present invention, it should be understood that the terms "length", "middle", "upper", "lower", "left", "right", "top", "bottom", etc. indicate the orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. , therefore cannot be understood as a limitation of the present invention.
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或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中，除非另有说明，“多个”的含义是两个以上。In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more.
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“拼接”、“连通”应做广义理解，例如，可以是固定连通，也 可以是可拆卸连通，或一体地连通；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "splicing" and "connection" should be understood in a broad sense. For example, they can be fixed connections or removable connections. Disassembled connection, or integrated connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
一种乳化沥青加热废气回收的环保系统，包括废气收集罩1、通风装置2、废气处理装置3、废气检测装置4、传输管5以及排气管6；所述废气收集罩1、通风装置2、所述废气处理装置3和所述废气检测装置4依次通过所述传输管5连通，所述排气管6连通于所述废气检测装置4的输出端42。An environmentally friendly system for recovering waste gas from heating emulsified asphalt, including a waste gas collection cover 1, a ventilation device 2, a waste gas treatment device 3, a waste gas detection device 4, a transmission pipe 5 and an exhaust pipe 6; the waste gas collection cover 1 and the ventilation device 2 The exhaust gas treatment device 3 and the exhaust gas detection device 4 are connected through the transmission pipe 5 in turn, and the exhaust pipe 6 is connected to the output end 42 of the exhaust gas detection device 4 .
本方案中的一种乳化沥青加热废气回收的环保系统，如图1所示，沥青加热时产生的废气聚集在所述废气收集罩1中，通过所述通风装置2产生的动力将废气通过所述传输管5输送至所述废气处理装置3，废气在气压作用下自上而下先后经过所述废气处理装置3的活性碳吸附层、碱性溶液层及空气净化层，其中含有的颗粒物和二氧化硫被吸收处理后，再通过所述传输管5进入所述废气检测装置4，通过所述废气检测装置4内的高锰酸钾溶液颜色的变化对处理后的废气中的二氧化硫含量进行实时检测，当高锰酸钾溶液颜色发生变化后，立即更换所述废气处理装置4中的碱性溶液，防止二氧化硫处理不完全，处理完成后的废气通过所述排气管6排出。An environmentally friendly system for recovering waste gas from heating emulsified asphalt in this solution is shown in Figure 1. The waste gas generated when the asphalt is heated is gathered in the waste gas collection hood 1, and the power generated by the ventilation device 2 moves the waste gas through the exhaust gas collection hood 1. The transmission pipe 5 is transported to the exhaust gas treatment device 3. The exhaust gas passes through the activated carbon adsorption layer, the alkaline solution layer and the air purification layer of the exhaust gas treatment device 3 from top to bottom under the action of air pressure, and the particulate matter contained therein and After the sulfur dioxide is absorbed and processed, it enters the exhaust gas detection device 4 through the transmission pipe 5. The sulfur dioxide content in the treated exhaust gas is detected in real time through the change in color of the potassium permanganate solution in the exhaust gas detection device 4. , when the color of the potassium permanganate solution changes, immediately replace the alkaline solution in the exhaust gas treatment device 4 to prevent incomplete sulfur dioxide treatment, and the exhaust gas after treatment is discharged through the exhaust pipe 6 .
本方案通过将沥青加热产生的废气依次经过废气收集罩1、通风装置2、废气处理装置3和废气检测装置4，得到处理后的废气，减小了沥青废气对试验人员的身体损害。此外，本系统的构造简单、易于操作，可调节各装置的间距，适应性强。This solution sequentially passes the exhaust gas generated by heating the asphalt through the exhaust gas collection cover 1, ventilation device 2, exhaust gas treatment device 3 and exhaust gas detection device 4 to obtain the treated exhaust gas, which reduces the physical damage of the asphalt exhaust gas to the test personnel. In addition, the system has a simple structure, is easy to operate, can adjust the distance between each device, and has strong adaptability.
优选的，所述传输管5包括第一传输管51、第二传输管52和第三传输管53；所述废气收集罩1的输出端10连通于所述第一传输管51的输入端511，所述通风装置2的输入端21连通于所述第一传输管51的输出端512，所述所 述通风装置2的输出端22连通于所述第二传输管52的输入端521，所述废气处理装置3的输入端31连通于所述第二传输管52的输出端522，所述废气处理装置3的输出端32连通于所述第三传输管53的输入端531，所述废气检测装置4的输入端41连通于所述第三传输管53的输出端532，所述废气检测装置4的输出端42与所述排气管6的输入端61相连通。Preferably, the transmission pipe 5 includes a first transmission pipe 51, a second transmission pipe 52 and a third transmission pipe 53; the output end 10 of the exhaust gas collection cover 1 is connected to the input end 511 of the first transmission pipe 51. , the input end 21 of the ventilation device 2 is connected to the output end 512 of the first transmission pipe 51, and the output end 22 of the ventilation device 2 is connected to the input end 521 of the second transmission pipe 52, so The input end 31 of the exhaust gas treatment device 3 is connected to the output end 522 of the second transmission pipe 52, and the output end 32 of the exhaust gas treatment device 3 is connected to the input end 531 of the third transmission pipe 53. The exhaust gas The input end 41 of the detection device 4 is connected to the output end 532 of the third transmission pipe 53 , and the output end 42 of the exhaust gas detection device 4 is connected to the input end 61 of the exhaust pipe 6 .
本实施例中，如图2所示，所述传输管5包括第一传输管51、第二传输管52和第三传输管53，通过所述第一传输管51、所述第二传输管52和所述第三传输管53，有效地将所述废气收集罩1、所述通风装置2、所述废气处理装置3和所废气检测装置4连通起来，更好地将沥青废气在各个装置中处理并排出。In this embodiment, as shown in Figure 2, the transmission pipe 5 includes a first transmission pipe 51, a second transmission pipe 52 and a third transmission pipe 53. Through the first transmission pipe 51, the second transmission pipe 52 and the third transmission pipe 53, effectively connecting the exhaust gas collection cover 1, the ventilation device 2, the exhaust gas treatment device 3 and the exhaust gas detection device 4, and better distributing the asphalt exhaust gas in each device. Process and drain.
优选的，所述废气收集罩1为顶部开口的半球型塑料罩。具体地，所述废气收集罩1的顶部设有开口，能够更好地与所传输管5连通，由于所述废气收集罩1为顶部开口的半球型塑料罩，沥青加热时限制了沥青废气逸散出外部环境并加速了废气的吸收。Preferably, the exhaust gas collection cover 1 is a hemispherical plastic cover with an open top. Specifically, the top of the exhaust gas collection cover 1 is provided with an opening, which can better communicate with the transmission pipe 5. Since the exhaust gas collection cover 1 is a hemispherical plastic cover with a top opening, the asphalt exhaust gas is limited to escape when the asphalt is heated. Disperse the external environment and accelerate the absorption of exhaust gas.
优选的，所述通风装置2为吸烟排风扇。具体地，由于所述通风装置2为吸烟排风扇，便于将所述废气收集罩1收集到的废气尽快输送至其他装置，所述通风装置2可根据加热速率及废气产生速度调节风力大小。Preferably, the ventilation device 2 is a smoking exhaust fan. Specifically, since the ventilation device 2 is a smoking exhaust fan, it is convenient to transport the exhaust gas collected by the exhaust gas collection cover 1 to other devices as quickly as possible. The ventilation device 2 can adjust the wind power according to the heating rate and the exhaust gas generation speed.
优选的，所述废气处理装置3为塑料罐，所述废气处理装置3自上而下分为三层，第一层为活性碳吸收层，用于吸收废气中的颗粒物；第二层为碱性溶液层，用于吸收废气中的二氧化硫；第三层为空气净化层，用于净化处理后的废气。具体地，沥青废气在气压作用下在所述废气处理装置3至上而下先后经过活性碳吸收层、碱性溶液层以及空气净化层，处理时间较长，确保了处理效果优良。Preferably, the exhaust gas treatment device 3 is a plastic tank. The exhaust gas treatment device 3 is divided into three layers from top to bottom. The first layer is an activated carbon absorption layer for absorbing particulate matter in the exhaust gas; the second layer is an alkali layer. The liquid solution layer is used to absorb sulfur dioxide in the exhaust gas; the third layer is the air purification layer, which is used to purify the treated exhaust gas. Specifically, the asphalt waste gas passes through the activated carbon absorption layer, the alkaline solution layer and the air purification layer from top to bottom in the waste gas treatment device 3 under the action of air pressure. The treatment time is long, ensuring excellent treatment effects.
优选的，所述废气检测装置4为透明的塑料罐，所述废气检测装置3内装 有高锰酸钾溶液，用于检测废气中二氧化硫的含量。具体地，由于所述废气检测装置4为一个透明的塑料罐，便于观察罐内高锰酸钾溶液颜色的变化，若高锰酸钾溶液的颜色由紫红色逐渐变浅，说明废气内仍存在二氧化硫成分。一种实施例中，当高锰酸钾溶液的颜色不发生变化时，说明废气内的二氧化硫已全部处理完。Preferably, the exhaust gas detection device 4 is a transparent plastic tank, and the exhaust gas detection device 3 is filled with potassium permanganate solution for detecting the content of sulfur dioxide in the exhaust gas. Specifically, since the exhaust gas detection device 4 is a transparent plastic tank, it is convenient to observe the change in the color of the potassium permanganate solution in the tank. If the color of the potassium permanganate solution gradually becomes lighter from purple-red, it means that there is still presence in the exhaust gas. Sulfur dioxide component. In one embodiment, when the color of the potassium permanganate solution does not change, it means that the sulfur dioxide in the exhaust gas has been completely treated.
更优的，所述第一传输管51、所述第二传输管52和所述第三传输管53均是可伸缩的塑料软管。具体地，由于所述第一传输管51、所述第二传输管52和所述第三传输管53均是可伸缩的塑料软管，通过伸缩调整所述第一传输管51、所述第二传输管52和所述第三传输管53的长度，可调节各个装置之间的距离。More preferably, the first transmission pipe 51 , the second transmission pipe 52 and the third transmission pipe 53 are all retractable plastic hoses. Specifically, since the first transmission pipe 51 , the second transmission pipe 52 and the third transmission pipe 53 are all telescopic plastic hoses, the first transmission pipe 51 and the third transmission pipe 51 can be adjusted by telescopic adjustment. The lengths of the second transmission pipe 52 and the third transmission pipe 53 can adjust the distance between each device.
优选的，所述排气管6为塑料软管。具体地，所述排气管6有利于将处理好的废气排出，采用塑料软管成本较低，容易购买。在本实施例中，所述排气管6为透明的塑料软管，在其他实施例中，所述排气管6为不透明的塑料软管。Preferably, the exhaust pipe 6 is a plastic hose. Specifically, the exhaust pipe 6 is conducive to discharging the treated exhaust gas, and the use of plastic hoses is low-cost and easy to purchase. In this embodiment, the exhaust pipe 6 is a transparent plastic hose. In other embodiments, the exhaust pipe 6 is an opaque plastic hose.
以上结合具体实施例描述了本实用新型的技术原理。这些描述只是为了解释本实用新型的原理，而不能以任何方式解释为对本实用新型保护范围的限制。基于此处的解释，本领域的技术人员不需要付出创造性的劳动即可联想到本实用新型的其它具体实施方式，这些方式都将落入本实用新型的保护范围之内。The technical principles of the present invention are described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present invention and cannot be construed as limiting the scope of the present invention in any way. Based on the explanations here, those skilled in the art can think of other specific embodiments of the present invention without any creative effort, and these methods will all fall within the protection scope of the present invention.

Claims (8)

  1. 一种乳化沥青加热废气回收的环保系统，其特征在于：包括废气收集罩、通风装置、废气处理装置、废气检测装置、传输管以及排气管；所述废气收集罩、所述通风装置、所述废气处理装置和所述废气检测装置依次通过所述传输管连通，所述排气管连通于所述废气检测装置的输出端。An environmental protection system for recovering emulsified asphalt heating waste gas, characterized by: including a waste gas collection cover, a ventilation device, a waste gas treatment device, a waste gas detection device, a transmission pipe and an exhaust pipe; the waste gas collection cover, the ventilation device, the The exhaust gas treatment device and the exhaust gas detection device are connected through the transmission pipe in turn, and the exhaust pipe is connected to the output end of the exhaust gas detection device.
  2. 根据权利要求1所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述传输管包括第一传输管、第二传输管和第三传输管；An environmental protection system for recovering emulsified asphalt heating exhaust gas according to claim 1, characterized in that: the transmission pipe includes a first transmission pipe, a second transmission pipe and a third transmission pipe;
    所述废气收集罩的输出端连通于所述第一传输管的输入端，所述通风装置的输入端连通于所述第一传输管的输出端，所述所述通风装置的输出端连通于所述第二传输管的输入端，所述废气处理装置的输入端连通于所述第二传输管的输出端，所述废气处理装置的输出端连通于所述第三传输管的输入端，所述废气检测装置的输入端连通于所述第三传输管的输出端，所述废气检测装置的输出端与所述排气管的输入端相连通。The output end of the exhaust gas collection cover is connected to the input end of the first transmission pipe, the input end of the ventilation device is connected to the output end of the first transmission pipe, and the output end of the ventilation device is connected to The input end of the second transmission pipe, the input end of the exhaust gas treatment device is connected to the output end of the second transmission pipe, and the output end of the exhaust gas treatment device is connected to the input end of the third transmission pipe, The input end of the exhaust gas detection device is connected to the output end of the third transmission pipe, and the output end of the exhaust gas detection device is connected to the input end of the exhaust pipe.
  3. 根据权利要求1所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述废气收集罩为顶部开口的半球型塑料罩。An environmental protection system for recovering emulsified asphalt heating exhaust gas according to claim 1, characterized in that the exhaust gas collection cover is a hemispherical plastic cover with an open top.
  4. 根据权利要求1所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述通风装置为吸烟排风扇。An environmental protection system for recovering emulsified asphalt heating exhaust gas according to claim 1, characterized in that the ventilation device is a smoking exhaust fan.
  5. 根据权利要求1所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述废气处理装置为塑料罐，所述废气处理装置自上而下分为三层，第一层为活性碳吸收层，用于吸收废气中的颗粒物；第二层为碱性溶液层，用于吸收废气中的二氧化硫；第三层为空气净化层，用于净化处理后的废气。An environmental protection system for recovering emulsified asphalt heating waste gas according to claim 1, characterized in that: the waste gas treatment device is a plastic tank, and the waste gas treatment device is divided into three layers from top to bottom, the first layer is active The carbon absorption layer is used to absorb particulate matter in the exhaust gas; the second layer is the alkaline solution layer, used to absorb sulfur dioxide in the exhaust gas; the third layer is the air purification layer, used to purify the treated exhaust gas.
  6. 根据权利要求1所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述废气检测装置为透明的塑料罐，所述废气检测装置内装有高锰酸钾溶液，用于检测废气中二氧化硫的含量。An environmental protection system for recovering waste gas from heating emulsified asphalt according to claim 1, characterized in that: the waste gas detection device is a transparent plastic tank, and a potassium permanganate solution is installed in the waste gas detection device for detecting waste gas. content of sulfur dioxide.
  7. 根据权利要求2所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述第一传输管、所述第二传输管和所述第三传输管均是可伸缩的塑料软管。An environmental protection system for recovering emulsified asphalt heated exhaust gas according to claim 2, characterized in that: the first transmission pipe, the second transmission pipe and the third transmission pipe are all retractable plastic hoses. .
  8. 根据权利要求1所述的一种乳化沥青加热废气回收的环保系统，其特征在于：所述排气管为塑料软管。An environmental protection system for recovering emulsified asphalt heated exhaust gas according to claim 1, characterized in that: the exhaust pipe is a plastic hose.
PCT/CN2022/105258 2022-07-05 2022-07-12 Environmentally friendly system for recovering waste gas generated during heating of emulsified asphalt WO2024007354A1 (en)

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CN208672586U (en) * 2018-09-14 2019-03-29 孙志斌 A kind of fireworks and firecrackers production quality safety detection device
CN109569234A (en) * 2018-11-09 2019-04-05 河北东华冀衡化工有限公司 A method of removing monoxone sulfur dioxide in tail gas
CN216386745U (en) * 2021-08-30 2022-04-26 济南崇华信息技术有限公司 Exhaust-gas treatment equipment with harmful substance detection function

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