WO2023082120A1 - Horizontal exhaust gas purification tower - Google Patents

Horizontal exhaust gas purification tower Download PDF

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Publication number
WO2023082120A1
WO2023082120A1 PCT/CN2021/129953 CN2021129953W WO2023082120A1 WO 2023082120 A1 WO2023082120 A1 WO 2023082120A1 CN 2021129953 W CN2021129953 W CN 2021129953W WO 2023082120 A1 WO2023082120 A1 WO 2023082120A1
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WO
WIPO (PCT)
Prior art keywords
demister
baffle
exhaust gas
area
gas purification
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Ceased
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PCT/CN2021/129953
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French (fr)
Chinese (zh)
Inventor
匡优新
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Wuxi Xingyi Intelligent Environment Equipment Co Ltd
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Wuxi Xingyi Intelligent Environment Equipment Co Ltd
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Application filed by Wuxi Xingyi Intelligent Environment Equipment Co Ltd filed Critical Wuxi Xingyi Intelligent Environment Equipment Co Ltd
Priority to PCT/CN2021/129953 priority Critical patent/WO2023082120A1/en
Priority to CN202180004058.1A priority patent/CN114245756B/en
Publication of WO2023082120A1 publication Critical patent/WO2023082120A1/en
Anticipated expiration legal-status Critical
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    • 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
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • 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 present application relates to the technical field of exhaust gas treatment, for example, to a horizontal exhaust gas purification tower.
  • the gas-liquid two-phase contact mode is divided into down-flow contact (air flow direction is consistent with liquid flow direction), counter-current contact (air flow direction is opposite to liquid flow direction) and cross-flow contact (air flow direction is opposite to liquid flow direction). perpendicular to the flow direction).
  • air flow direction is consistent with liquid flow direction
  • counter-current contact air flow direction is opposite to liquid flow direction
  • cross-flow contact air flow direction is opposite to liquid flow direction. perpendicular to the flow direction.
  • the present application provides a horizontal exhaust gas purification tower to solve the problems of poor counterflow effect and non-contact area of gas and liquid in the horizontal exhaust gas purification tower.
  • the present application provides a horizontal exhaust gas purification tower, which includes: a tower body, a diversion baffle and a spraying device, and the diversion baffle separates the interior of the tower body into successively connected inlets and outlets.
  • Wind area, counter-current contact area, downstream contact area and wind outlet area, the counter-current contact area and the forward-flow contact area are arranged alternately, the two ends of the tower body are provided with air inlets and air outlets, and the air inlets It communicates with the air inlet area to transport gas, and the air outlet communicates with the air outlet area to discharge the gas.
  • Both the countercurrent contact area and the forward flow contact area are provided with spraying liquid In the spraying device, the gas contacts the liquid countercurrently in the countercurrent contact zone, and the gas contacts the liquid downstream in the cocurrent contact zone.
  • Fig. 1 is a schematic structural diagram of a horizontal exhaust gas purification tower provided in an embodiment of the present application.
  • the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer”, etc. indicate orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the application.
  • the terms “first” and “second” are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.
  • first position and second position are two different positions, and "above”, “above” and “above” the first feature on the second feature include that the first feature is on the second feature. Directly above and obliquely above, or simply means that the first feature level is higher than the second feature. "Below”, “beneath” and “under” the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components.
  • installation can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or
  • the common horizontal tower in the industry treats industrial waste gas by cross-flow contact between gas and liquid, that is, the direction of air flow is horizontal, and the direction of liquid flow is vertical from top to bottom.
  • the purification effect is not as good as that of the countercurrent contact method for exhaust gas purification.
  • the technical scheme of arranging the nozzles in the horizontal tower facing the direction of the airflow can make the gas and the liquid come into contact with the countercurrent, but due to the gravity of the liquid itself, when the liquid is sprayed out horizontally, it will fall in a parabolic form, and there is only a very small amount of gas and liquid.
  • a short period of counter-current contact, and then it becomes cross-flow contact, and there is still a gas-liquid non-contact area around the liquid parabola, and the exhaust gas treatment effect is not good.
  • this embodiment provides a horizontal exhaust gas purification tower 100, as shown in Figure 1, the horizontal exhaust gas purification tower 100 includes a tower body, a flow guide baffle and a spray device 7, the flow guide baffle
  • the interior of the tower body is divided into successively connected air inlet areas, countercurrent contact areas, downstream contact areas, and air outlet areas.
  • the interior of the tower body is separated into a countercurrent contact zone and a downstream contact zone by a diversion baffle, and the gas and liquid can achieve alternate contact between countercurrent contact and downstream contact in the tower body, and there is no non-contact zone between the gas and the liquid, and the liquid
  • the absorption effect is maximized, and the exhaust gas treatment effect is good.
  • the application provides a horizontal exhaust gas purification tower, which includes a tower body, a diversion baffle and a spraying device, and the diversion baffle separates the inside of the tower body into sequentially connected air inlet areas, countercurrent contact area, downstream contact area and air outlet area, countercurrent contact area and downstream contact area are arranged alternately, the two ends of the tower body are provided with air inlet and outlet, the gas enters from the air inlet, passes through the air inlet area, and countercurrent contact area in turn. area, downstream contact area, and air outlet area, and finally sent out from the air outlet. Both the counter-current contact area and the downstream contact area are equipped with spraying devices for spraying liquid. In the counter-current contact area, the gas and liquid contact countercurrently.
  • the gas contacts the liquid in parallel.
  • the absorption effect of the liquid is maximized by making the gas contact with the liquid in the two-phase countercurrent and forward flow alternately in the tower, and there is no non-contact zone between the gas and the liquid in the tower.
  • the flow guide baffle includes a plurality of upper flow guide baffles 2 and a plurality of lower flow guide baffles 3, the upper flow guide baffles 2 and the lower flow guide baffles 3 are solid baffles, and the upper flow guide The baffles 2 and the lower guide baffles 3 are arranged alternately in sequence, and the gas circulates in an S-shaped route in the tower body.
  • two upper diversion baffles 2 and two lower diversion baffles 3 are taken as examples for illustration, and upper diversion baffles 2, lower diversion baffles 3, and upper diversion baffles are sequentially arranged inside the tower body.
  • the flow baffle 2 and the lower guide baffle 3 form a reverse flow contact zone, a forward flow contact zone, a reverse flow contact zone and a forward flow contact zone which are sequentially connected.
  • the number of the upper flow guide baffles 2 and the lower flow guide baffles 3 can be appropriately increased or decreased according to the effect of exhaust gas treatment, which is not limited in this embodiment.
  • the upper edge of the upper deflector baffle 2 is connected to the top of the inner wall of the tower body, the lower edge of the upper deflector baffle 2 and the bottom of the inner wall of the tower body form the first vent, and the lower deflector baffle 3
  • the lower edge of the lower edge is connected with the bottom of the inner wall of the tower body, the upper edge of the lower deflector baffle 3 and the top of the inner wall of the tower body form a second vent, and the adjacent upper deflector baffle 2 and the lower deflector baffle 3 And a counter-current contact zone or a downstream contact zone is formed between the tower bodies.
  • the gas After entering the air inlet 1, the gas enters the air inlet area, passes through the air inlet area and enters the first countercurrent contact area through the first ventilator, and enters the first downstream contact area through the second ventilator after passing through the countercurrent contact area.
  • the flow contact area and then enter the second counter-flow contact area through the next first vent, and enter the second downstream contact area through the next second vent after passing through the counter-flow contact area.
  • the upper deflector baffle 2 and the lower deflector baffle 3 can be connected with the inner wall of the tower body by welding.
  • the welding processing method is simple, and the fixing stability is good.
  • a packing support plate 4 is provided at the lower edge of the above-mentioned upper diversion baffle 2, and a packing pressing plate 5 is provided at the upper edge of the lower diversion baffle 3, and both the packing supporting plate 4 and the packing pressing plate 5 are hollow mesh plates.
  • the spraying device 7 is arranged above the packing platen 5, the liquid sprayed by the spraying device 7 and the gas passed through can flow through the meshes of the mesh plate, and the filler support plate 4 and the packing platen 5 are filled with fillers 6 .
  • the setting of the packing 6 can make the liquid sprayed by the spraying device 7 distribute more evenly, and at the same time, the surface of the packing 6 will absorb liquid droplets, which increases the contact area between the liquid and the gas, and the liquid absorption effect is better.
  • the filler 6 may be one of a Pall ring, a stepped ring, a Raschig ring, a Taylor rosette or a hollow balloon.
  • other types of fillers may also be selected, and the use is not limited to the above-mentioned several types of fillers, which is not limited in this embodiment.
  • Filling ports 12 can also be set on the tower body, and the packing ports 12 are configured to fill the above-mentioned packing 6 between the packing support plate 4 and the packing pressing plate 5, so as to facilitate the staff to replace the packing 6 or to carry out inspection and maintenance.
  • Filling port 12 can be equipped with a transparent observation plate, through which the staff can observe the internal working state of the tower body, if there is a problem in operation, it is convenient for the staff to find out the cause of the failure.
  • the filling port 12 can be installed on the tower body by means of bolt fixing.
  • the fixing method of the bolt connection is easy to disassemble, and the cost is low.
  • the horizontal waste gas purification tower 100 can also be provided with a defogging guide baffle 8, and the defogging guide baffle 8 is also a solid baffle, and the defogging guide baffle 8 and the tower body and adjacent
  • the upper deflector baffle 2 forms a demister area, and the demist area is arranged upstream of the air outlet area.
  • the lower edge of the defogging deflector baffle 8 is connected to the bottom of the inner wall of the tower body, and the upper edge of the defogging deflector baffle 8 and the top of the inner wall of the tower body form a third ventilation opening, and the third ventilation The mouth is connected with the air outlet area.
  • the demisting area can remove the liquid droplets and liquid foam entrained in the absorbed and treated gas, so that the discharged gas can meet the requirements.
  • the demister area can also be provided with a demister support plate 9 and a demister pressure plate 10, wherein the demister support plate 9 is arranged on the lower edge of the upper deflector 2 adjacent to the defogger 8 , the demister pressure plate 10 is arranged on the upper edge of the defogger deflector 8 , and the demister 11 is installed between the demister support plate 9 and the demister pressure plate 10 .
  • the demister 11 can be configured to remove liquid droplets or liquid mist entrained in the gas, so as to meet the requirements of producing the required gas.
  • the demister 11 can be one of the baffle plate demister 11 , flat plate demister 11 , fiber demister 11 or glass fiber demister 11 , which is not limited in this embodiment.
  • the lower deflecting baffle 3 is adjacent to the defogging deflecting baffle 8. At this time, the lower deflecting baffle 3, defogging The deflector baffle 8 and the tower body form a defogging area. Now, the upper edge of the defogging deflector baffle 8 is connected with the top of the inner wall of the tower body, and the lower edge of the defogging deflector baffle 8 forms a third vent with the bottom of the inner wall of the tower body, and the third vent communicates outwind area.
  • the lower edge of the mist deflector baffle 8 is provided with a demister support plate 9, and the upper edge of the lower deflector 3 adjacent to the defogger 8 is provided with a demister pressure plate 10.
  • a demister 11 is installed between the supporting plate 9 and the demister pressing plate 10 .
  • the defogging deflector baffle 8 in above-mentioned two kinds of embodiments all can be connected with the inner wall of tower body by the mode of welding.
  • the welding processing method is simple, and the fixing stability is good.
  • a demister port 13 may be provided on the tower body, and the demister port 13 is configured to install the above-mentioned demister 11 between the demister supporting plate 9 and the demister pressing plate 10 .
  • the setting of the mist eliminator port 13 facilitates the staff to replace the mist eliminator 11 and to inspect and maintain the mist eliminator 11 .
  • the demister port 13 can also be equipped with a transparent observation plate, through which the staff can observe the operating status of the demister 11 inside the tower body, if there is a problem in operation, it is convenient for the staff to find out the cause of the failure.
  • the demister port 13 can also be installed on the tower body by means of bolts.
  • the fixing method of the bolt connection is easy to disassemble, and the cost is low.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

A horizontal exhaust gas purification tower, comprising a tower body, flow guide baffles, and spraying devices (7), wherein the flow guide baffles divide the interior of the tower body into a gas intake area, counterflow contact areas, forward flow contact areas, and a gas output area which are in communication in sequence; the counterflow contact areas and the forward flow contact areas are alternately arranged; a gas inlet (1) and a gas outlet (14) are provided in two ends of the tower body respectively; gas enters from the gas inlet (1), passes through the gas intake area, the counterflow contact areas, the forward flow contact areas and the gas output area in sequence, and is finally sent out from the gas outlet (14); the spraying devices (7) for spraying liquid are arranged in the counterflow contact areas and the forward flow contact areas; in the counterflow contact areas, the gas is in counterflow contact with the liquid; and in the forward flow contact areas, the gas is in forward flow contact with the liquid. The gas and the liquid can achieve alternating contact of counterflow contact and forward flow contact in the tower body, and a non-contact area is not present between the gas and the liquid, so that an absorption effect of the liquid is maximized, and a good exhaust gas treatment effect is achieved.

Description

卧式废气净化塔Horizontal exhaust gas purification tower 技术领域technical field

本申请涉及废气处理技术领域，例如涉及一种卧式废气净化塔。The present application relates to the technical field of exhaust gas treatment, for example, to a horizontal exhaust gas purification tower.

背景技术Background technique

一般用于处理工业废气的吸收塔内，气液两相的接触方式分为顺流接触(气流方向与液流方向一致)、逆流接触(气流方向与液流方向相反)和错流接触(气流方向与液流方向垂直)。上述三种气液两相接触的效果相比较而言，逆流接触的废气处理效果最佳。Generally, in the absorption tower used to treat industrial waste gas, the gas-liquid two-phase contact mode is divided into down-flow contact (air flow direction is consistent with liquid flow direction), counter-current contact (air flow direction is opposite to liquid flow direction) and cross-flow contact (air flow direction is opposite to liquid flow direction). perpendicular to the flow direction). Compared with the above three kinds of gas-liquid two-phase contact effects, the exhaust gas treatment effect of countercurrent contact is the best.

而一般工业上采用卧式塔处理工业废气时，通常采用的是错流接触的方式，即气流方向为水平方向，液流方向为垂直从上往下的方向，然而这种错流接触的方式对废气的净化效果不如逆流接触的方式对废气净化的效果好。In general industry, when horizontal towers are used to treat industrial waste gas, the method of cross-flow contact is usually adopted, that is, the direction of air flow is horizontal, and the direction of liquid flow is vertical from top to bottom. However, this method of cross-flow contact The purification effect of exhaust gas is not as good as that of countercurrent contact.

发明内容Contents of the invention

本申请提供一种卧式废气净化塔，以解决卧式废气净化塔内逆流效果不佳以及存在气液未接触区的问题。The present application provides a horizontal exhaust gas purification tower to solve the problems of poor counterflow effect and non-contact area of gas and liquid in the horizontal exhaust gas purification tower.

本申请提供一种卧式废气净化塔，该卧式废气净化塔包括：塔身、导流挡板和喷淋装置，所述导流挡板将所述塔身的内部分隔出依次连通的进风区、逆流接触区、顺流接触区以及出风区，所述逆流接触区与所述顺流接触区交替布置，所述塔身的两端设有进风口和出风口，所述进风口与所述进风区连通以输送气体，所述出风口与所述出风区连通以排出所述气体，所述逆流接触区与所述顺流接触区均设置有设置为喷淋液体的所述喷淋装置，在所述逆流接触区内所述气体与所述液体逆流接触，在所述顺流接触区内所述气体与所述液体顺流接触。The present application provides a horizontal exhaust gas purification tower, which includes: a tower body, a diversion baffle and a spraying device, and the diversion baffle separates the interior of the tower body into successively connected inlets and outlets. Wind area, counter-current contact area, downstream contact area and wind outlet area, the counter-current contact area and the forward-flow contact area are arranged alternately, the two ends of the tower body are provided with air inlets and air outlets, and the air inlets It communicates with the air inlet area to transport gas, and the air outlet communicates with the air outlet area to discharge the gas. Both the countercurrent contact area and the forward flow contact area are provided with spraying liquid In the spraying device, the gas contacts the liquid countercurrently in the countercurrent contact zone, and the gas contacts the liquid downstream in the cocurrent contact zone.

附图说明Description of drawings

图1为本申请实施例中提供的卧式废气净化塔的结构示意图。Fig. 1 is a schematic structural diagram of a horizontal exhaust gas purification tower provided in an embodiment of the present application.

图中：In the picture:

100、卧式废气净化塔；100. Horizontal waste gas purification tower;

1、进风口；2、上导流挡板；3、下导流挡板；4、填料支撑板；5、填料压板；6、填料；7、喷淋装置；8、除雾导流挡板；9、除雾器支撑板；10、除雾 器压板；11、除雾器；12、填料口；13、除雾器口；14、出风口。1. Air inlet; 2. Upper guide baffle; 3. Lower guide baffle; 4. Packing support plate; 5. Packing pressure plate; 6. Packing; 7. Spray device; ; 9, demister support plate; 10, demister pressure plate; 11, demister; 12, filling port; 13, demister port; 14, air outlet.

具体实施方式Detailed ways

下面将结合附图对本申请的技术方案进行描述，所描述的实施例是本申请一部分实施例，而不是全部的实施例。The technical solutions of the present application will be described below in conjunction with the accompanying drawings, and the described embodiments are part of the embodiments of the present application, but not all of the embodiments.

在本申请的描述中，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”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申请和简化描述，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申请的限制。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。其中，术语“第一位置”和“第二位置”为两个不同的位置，而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。In the description of this application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Wherein, the terms "first position" and "second position" are two different positions, and "above", "above" and "above" the first feature on the second feature include that the first feature is on the second feature. Directly above and obliquely above, or simply means that the first feature level is higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

在本申请的描述中，除非另有规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；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。可以根据实际情况理解上述术语在本申请中的含义。In the description of this application, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. The meanings of the above terms in this application can be understood according to the actual situation.

下面描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。Embodiments of the present application are described below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, are only for explaining the present application, and should not be construed as limiting the present application.

工业上常见的卧式塔处理工业废气的方式为气体与液体错流接触，即气流方向为水平方向，液流方向为垂直从上往下的方向，然而这种错流接触的方式对废气的净化效果不如逆流接触的方式对废气净化的效果好。将卧式塔中的喷嘴迎着气流方向布置的技术方案，可以使气体与液体逆流接触，但由于液体的自身重力作用，当液体水平喷出之后会呈抛物线形式下落，气体与液体仅存在非常短暂的一段逆流接触，之后又变成错流接触，并且在液体抛物线的外围还存在气液未接触区，废气处理效果不佳。The common horizontal tower in the industry treats industrial waste gas by cross-flow contact between gas and liquid, that is, the direction of air flow is horizontal, and the direction of liquid flow is vertical from top to bottom. The purification effect is not as good as that of the countercurrent contact method for exhaust gas purification. The technical scheme of arranging the nozzles in the horizontal tower facing the direction of the airflow can make the gas and the liquid come into contact with the countercurrent, but due to the gravity of the liquid itself, when the liquid is sprayed out horizontally, it will fall in a parabolic form, and there is only a very small amount of gas and liquid. A short period of counter-current contact, and then it becomes cross-flow contact, and there is still a gas-liquid non-contact area around the liquid parabola, and the exhaust gas treatment effect is not good.

为了解决上述问题，本实施例提供了一种卧式废气净化塔100，如图1所示，该卧式废气净化塔100包括塔身、导流挡板和喷淋装置7，导流挡板将塔身的内部分隔出依次连通的进风区、逆流接触区、顺流接触区以及出风区，逆流接触 区与顺流接触区交替布置，塔身的两端设有进风口1和出风口14，进风口1与进风区连通以输送气体，出风口14与出风区连通以排出所述气体，逆流接触区与顺流接触区均设置有设置为喷淋液体的喷淋装置7，气体从进风口1进入，依次经过进风区、逆流接触区、顺流接触区、出风区，最终经出风口14排出气体，在逆流接触区内的气体与液体逆流接触，在顺流接触区内气体与液体顺流接触。通过导流挡板将塔身的内部分隔出逆流接触区和顺流接触区，气体和液体能够在塔身内实现逆流接触和顺流接触的交替接触，且气体与液体之间不存在无接触区，液体的吸收效果达到最大化，废气处理效果良好。In order to solve the above problems, this embodiment provides a horizontal exhaust gas purification tower 100, as shown in Figure 1, the horizontal exhaust gas purification tower 100 includes a tower body, a flow guide baffle and a spray device 7, the flow guide baffle The interior of the tower body is divided into successively connected air inlet areas, countercurrent contact areas, downstream contact areas, and air outlet areas. The air outlet 14, the air inlet 1 communicates with the air inlet area to transport gas, and the air outlet 14 communicates with the air outlet area to discharge the gas, and the countercurrent contact area and the downstream contact area are both provided with a spray device 7 set to spray liquid , the gas enters from the air inlet 1, passes through the air inlet area, the countercurrent contact area, the downstream contact area, and the air outlet area in sequence, and finally discharges the gas through the air outlet 14. In the contact zone, the gas contacts the liquid in parallel. The interior of the tower body is separated into a countercurrent contact zone and a downstream contact zone by a diversion baffle, and the gas and liquid can achieve alternate contact between countercurrent contact and downstream contact in the tower body, and there is no non-contact zone between the gas and the liquid, and the liquid The absorption effect is maximized, and the exhaust gas treatment effect is good.

本申请提供一种卧式废气净化塔，该卧式废气净化塔包括塔身、导流挡板和喷淋装置，导流挡板将塔身的内部隔出依次连通的进风区、逆流接触区、顺流接触区以及出风区，逆流接触区与顺流接触区交替布置，塔身的两端设有进风口和出风口，气体从进风口进入，依次穿过进风区、逆流接触区、顺流接触区以及出风区，最终从出风口送出，逆流接触区与顺流接触区均设置有喷淋液体的喷淋装置，在逆流接触区内气体与液体逆流接触，在顺流接触区内气体与液体顺流接触。通过使气体在塔内实现与液体的两相逆流、顺流交替接触，且塔内不存在气体和液体的无接触区，从而使得液体的吸收效果达到最大化。The application provides a horizontal exhaust gas purification tower, which includes a tower body, a diversion baffle and a spraying device, and the diversion baffle separates the inside of the tower body into sequentially connected air inlet areas, countercurrent contact area, downstream contact area and air outlet area, countercurrent contact area and downstream contact area are arranged alternately, the two ends of the tower body are provided with air inlet and outlet, the gas enters from the air inlet, passes through the air inlet area, and countercurrent contact area in turn. area, downstream contact area, and air outlet area, and finally sent out from the air outlet. Both the counter-current contact area and the downstream contact area are equipped with spraying devices for spraying liquid. In the counter-current contact area, the gas and liquid contact countercurrently. In the contact zone, the gas contacts the liquid in parallel. The absorption effect of the liquid is maximized by making the gas contact with the liquid in the two-phase countercurrent and forward flow alternately in the tower, and there is no non-contact zone between the gas and the liquid in the tower.

可选地，导流挡板包括多个上导流挡板2与多个下导流挡板3，上导流挡板2与下导流挡板3均为实心挡板，且上导流挡板2与下导流挡板3依次交替设置，气体在塔身内呈S型路线流通。本实施例中以两块上导流挡板2和两块下导流挡板3为例进行说明，在塔身的内部依次设置上导流挡板2、下导流挡板3、上导流挡板2和下导流挡板3，从而形成依次连通的逆流接触区、顺流接触区、逆流接触区和顺流接触区。在其他实施例中，根据废气处理的效果可以适当增加或减少上导流挡板2和下导流挡板3的设置个数，本实施例对此不做限制。Optionally, the flow guide baffle includes a plurality of upper flow guide baffles 2 and a plurality of lower flow guide baffles 3, the upper flow guide baffles 2 and the lower flow guide baffles 3 are solid baffles, and the upper flow guide The baffles 2 and the lower guide baffles 3 are arranged alternately in sequence, and the gas circulates in an S-shaped route in the tower body. In this embodiment, two upper diversion baffles 2 and two lower diversion baffles 3 are taken as examples for illustration, and upper diversion baffles 2, lower diversion baffles 3, and upper diversion baffles are sequentially arranged inside the tower body. The flow baffle 2 and the lower guide baffle 3 form a reverse flow contact zone, a forward flow contact zone, a reverse flow contact zone and a forward flow contact zone which are sequentially connected. In other embodiments, the number of the upper flow guide baffles 2 and the lower flow guide baffles 3 can be appropriately increased or decreased according to the effect of exhaust gas treatment, which is not limited in this embodiment.

本实施例中上导流挡板2的上沿与塔身的内壁的顶部连接，上导流挡板2的下沿与塔身的内壁的底部构成第一通风口，下导流挡板3的下沿与塔身的内壁的底部连接，下导流挡板3的上沿与塔身的内壁的顶部构成第二通风口，相邻的上导流挡板2和下导流挡板3以及塔身之间形成逆流接触区或顺流接触区。气体从进风口1进入后进入到进风区，穿过进风区后通过第一通风口进入到第一个逆流接触区，穿过逆流接触区后通过第二通风口进入到第一个顺流接触区，然后再通过下一个第一通风口进入到第二个逆流接触区，穿过逆流接触区后通过下一个第二通风口进入到第二个顺流接触区。In this embodiment, the upper edge of the upper deflector baffle 2 is connected to the top of the inner wall of the tower body, the lower edge of the upper deflector baffle 2 and the bottom of the inner wall of the tower body form the first vent, and the lower deflector baffle 3 The lower edge of the lower edge is connected with the bottom of the inner wall of the tower body, the upper edge of the lower deflector baffle 3 and the top of the inner wall of the tower body form a second vent, and the adjacent upper deflector baffle 2 and the lower deflector baffle 3 And a counter-current contact zone or a downstream contact zone is formed between the tower bodies. After entering the air inlet 1, the gas enters the air inlet area, passes through the air inlet area and enters the first countercurrent contact area through the first ventilator, and enters the first downstream contact area through the second ventilator after passing through the countercurrent contact area. The flow contact area, and then enter the second counter-flow contact area through the next first vent, and enter the second downstream contact area through the next second vent after passing through the counter-flow contact area.

上导流挡板2和下导流挡板3可以通过焊接的方式与塔身的内壁连接。焊接的加工方式简单，且固定的稳定性好。The upper deflector baffle 2 and the lower deflector baffle 3 can be connected with the inner wall of the tower body by welding. The welding processing method is simple, and the fixing stability is good.

在上述的上导流挡板2的下沿处设置有填料支撑板4，下导流挡板3的上沿 处设有填料压板5，填料支撑板4和填料压板5均为镂空的网板，喷淋装置7设置于填料压板5的上方，喷淋装置7所喷洒的液体以及通入的气体能够穿过网板的网孔流动，填料支撑板4与填料压板5之间填充有填料6。填料6的设置能够使喷淋装置7所喷洒的液体分布更加均匀，同时填料6的表面会吸附有液滴，增加了液体与气体的接触面积，液体的吸收效果更好。示例性的，填料6可以为鲍尔环、阶梯环、拉西环、泰勒花环或空心分水球中的一种。在其他实施例中，也可以选用其他类型的填料，并不限于仅使用上述几种类型的填料，本实施例对此不做限制。A packing support plate 4 is provided at the lower edge of the above-mentioned upper diversion baffle 2, and a packing pressing plate 5 is provided at the upper edge of the lower diversion baffle 3, and both the packing supporting plate 4 and the packing pressing plate 5 are hollow mesh plates. , the spraying device 7 is arranged above the packing platen 5, the liquid sprayed by the spraying device 7 and the gas passed through can flow through the meshes of the mesh plate, and the filler support plate 4 and the packing platen 5 are filled with fillers 6 . The setting of the packing 6 can make the liquid sprayed by the spraying device 7 distribute more evenly, and at the same time, the surface of the packing 6 will absorb liquid droplets, which increases the contact area between the liquid and the gas, and the liquid absorption effect is better. Exemplarily, the filler 6 may be one of a Pall ring, a stepped ring, a Raschig ring, a Taylor rosette or a hollow balloon. In other embodiments, other types of fillers may also be selected, and the use is not limited to the above-mentioned several types of fillers, which is not limited in this embodiment.

塔身上还可以设置填料口12，填料口12设置为向填料支撑板4和填料压板5之间装填上述填料6，从而方便工作人员更换填料6或进行检查、维修。填料口12可以安装透明观察板，通过透明观察板，工作人员可以观察塔身的内部的工作状态，若运行出现问题，方便工作人员找出故障原因。Filling ports 12 can also be set on the tower body, and the packing ports 12 are configured to fill the above-mentioned packing 6 between the packing support plate 4 and the packing pressing plate 5, so as to facilitate the staff to replace the packing 6 or to carry out inspection and maintenance. Filling port 12 can be equipped with a transparent observation plate, through which the staff can observe the internal working state of the tower body, if there is a problem in operation, it is convenient for the staff to find out the cause of the failure.

填料口12可以通过螺栓固定方式安装到塔身上。螺栓连接的固定方式拆卸方便，且成本较低。The filling port 12 can be installed on the tower body by means of bolt fixing. The fixing method of the bolt connection is easy to disassemble, and the cost is low.

作为一种实施方案，卧式废气净化塔100还可以设置除雾导流挡板8，除雾导流挡板8也为实心挡板，除雾导流挡板8与塔身以及相邻的上导流挡板2形成除雾区，除雾区设置于出风区的上游。可选地，除雾导流挡板8的下沿与塔身的内壁的底部连接，且除雾导流挡板8的上沿与塔身的内壁的顶部构成第三通风口，第三通风口与出风区连通。除雾区可以去掉吸收处理完毕的气体中夹带的液滴和液沫，以使排出的气体满足要求。除雾区还可以设置有除雾器支撑板9和除雾器压板10，其中，除雾器支撑板9设置在与除雾导流挡板8相邻的上导流挡板2的下沿处，除雾器压板10设置在除雾导流挡板8的上沿处，除雾器支撑板9与除雾器压板10之间安装有除雾器11。除雾器11可设置为除去气体中夹带的液滴或液沫，以满足生产所需气体的要求。除雾器11可以采用折流板除雾器11、平板式除雾器11、纤维除雾器11或玻璃纤维除雾器11中的一种，本实施例对此不做限制。As an embodiment, the horizontal waste gas purification tower 100 can also be provided with a defogging guide baffle 8, and the defogging guide baffle 8 is also a solid baffle, and the defogging guide baffle 8 and the tower body and adjacent The upper deflector baffle 2 forms a demister area, and the demist area is arranged upstream of the air outlet area. Optionally, the lower edge of the defogging deflector baffle 8 is connected to the bottom of the inner wall of the tower body, and the upper edge of the defogging deflector baffle 8 and the top of the inner wall of the tower body form a third ventilation opening, and the third ventilation The mouth is connected with the air outlet area. The demisting area can remove the liquid droplets and liquid foam entrained in the absorbed and treated gas, so that the discharged gas can meet the requirements. The demister area can also be provided with a demister support plate 9 and a demister pressure plate 10, wherein the demister support plate 9 is arranged on the lower edge of the upper deflector 2 adjacent to the defogger 8 , the demister pressure plate 10 is arranged on the upper edge of the defogger deflector 8 , and the demister 11 is installed between the demister support plate 9 and the demister pressure plate 10 . The demister 11 can be configured to remove liquid droplets or liquid mist entrained in the gas, so as to meet the requirements of producing the required gas. The demister 11 can be one of the baffle plate demister 11 , flat plate demister 11 , fiber demister 11 or glass fiber demister 11 , which is not limited in this embodiment.

在其他实施例中，若除雾区的上游为逆流接触区时，则与除雾导流挡板8相邻的为下导流挡板3，此时该下导流挡板3、除雾导流挡板8以及塔身形成除雾区。此时，除雾导流挡板8的上沿与塔身的内壁的顶部连接，除雾导流挡板8的下沿与塔身的内壁的底部构成第三通风口，第三通风口连通出风区。除雾导流挡板8的下沿处设置除雾器支撑板9，与除雾导流挡板8相邻的下导流挡板3的上沿处设置除雾器压板10，除雾器支撑板9与除雾器压板10之间安装除雾器11。In other embodiments, if the upstream of the defogging zone is a counterflow contact zone, then the lower deflecting baffle 3 is adjacent to the defogging deflecting baffle 8. At this time, the lower deflecting baffle 3, defogging The deflector baffle 8 and the tower body form a defogging area. Now, the upper edge of the defogging deflector baffle 8 is connected with the top of the inner wall of the tower body, and the lower edge of the defogging deflector baffle 8 forms a third vent with the bottom of the inner wall of the tower body, and the third vent communicates outwind area. The lower edge of the mist deflector baffle 8 is provided with a demister support plate 9, and the upper edge of the lower deflector 3 adjacent to the defogger 8 is provided with a demister pressure plate 10. A demister 11 is installed between the supporting plate 9 and the demister pressing plate 10 .

上述两种实施方案中的除雾导流挡板8均可以通过焊接的方式与塔身的内 壁连接。焊接的加工方式简单，且固定的稳定性好。The defogging deflector baffle 8 in above-mentioned two kinds of embodiments all can be connected with the inner wall of tower body by the mode of welding. The welding processing method is simple, and the fixing stability is good.

塔身上可以设置有除雾器口13，除雾器口13设置为在除雾器支撑板9与除雾器压板10之间安装上述除雾器11。除雾器口13的设置方便了工作人员更换除雾器11以及对除雾器11进行检查、维修。除雾器口13也可以安装透明观察板，通过透明观察板，工作人员可以观察塔身的内部中除雾器11的运行状态，若运行出现问题，方便工作人员找出故障原因。A demister port 13 may be provided on the tower body, and the demister port 13 is configured to install the above-mentioned demister 11 between the demister supporting plate 9 and the demister pressing plate 10 . The setting of the mist eliminator port 13 facilitates the staff to replace the mist eliminator 11 and to inspect and maintain the mist eliminator 11 . The demister port 13 can also be equipped with a transparent observation plate, through which the staff can observe the operating status of the demister 11 inside the tower body, if there is a problem in operation, it is convenient for the staff to find out the cause of the failure.

除雾器口13也可以通过螺栓固定方式安装到塔身上。螺栓连接的固定方式拆卸方便，且成本较低。The demister port 13 can also be installed on the tower body by means of bolts. The fixing method of the bolt connection is easy to disassemble, and the cost is low.

Claims (10)

一种卧式废气净化塔，所述卧式废气净化塔(100)包括塔身、导流挡板和喷淋装置(7)，所述导流挡板将所述塔身的内部分隔出依次连通的进风区、逆流接触区、顺流接触区以及出风区，所述逆流接触区与所述顺流接触区交替布置，所述塔身的两端设有进风口(1)和出风口(14)，所述进风口(1)与所述进风区连通以输送气体，所述出风口(14)与所述出风区连通以排出所述气体，所述逆流接触区与所述顺流接触区均设置有设置为喷淋液体的所述喷淋装置(7)，在所述逆流接触区内所述气体与所述液体逆流接触，在所述顺流接触区内所述气体与所述液体顺流接触。A horizontal exhaust gas purification tower, the horizontal exhaust gas purification tower (100) includes a tower body, a diversion baffle and a spray device (7), and the diversion baffle separates the interior of the tower body into successively Connected air inlet area, countercurrent contact area, downstream contact area and air outlet area, the countercurrent contact area and the forward flow contact area are arranged alternately, and the two ends of the tower body are provided with air inlet (1) and outlet An air outlet (14), the air inlet (1) communicates with the air inlet area to transport gas, the air outlet (14) communicates with the air outlet area to discharge the gas, and the counterflow contact area communicates with the air outlet The downstream contact zone is provided with the spray device (7) configured to spray liquid, in the countercurrent contact zone the gas contacts the liquid countercurrently, in the downstream contact zone the The gas contacts the liquid co-currently. 根据权利要求1所述的卧式废气净化塔，其中，所述导流挡板包括多个上导流挡板(2)与多个下导流挡板(3)，所述多个上导流挡板(2)与所述多个下导流挡板(3)依次交替设置，所述上导流挡板(2)的上沿与所述塔身的内壁的顶部连接，所述上导流挡板(2)的下沿与所述塔身的内壁的底部构成第一通风口，所述下导流挡板(3)的下沿与所述塔身的内壁的底部连接，所述下导流挡板(3)的上沿与所述塔身的内壁的顶部构成第二通风口，相邻的上导流挡板(2)和下导流挡板(3)以及所述塔身之间形成所述逆流接触区或所述顺流接触区。The horizontal exhaust gas purification tower according to claim 1, wherein the guide baffles include a plurality of upper guide baffles (2) and a plurality of lower guide baffles (3), and the plurality of upper guide baffles The flow baffles (2) and the plurality of lower flow guide baffles (3) are arranged alternately in sequence, the upper edge of the upper flow guide baffles (2) is connected to the top of the inner wall of the tower body, and the upper edge The lower edge of the diversion baffle (2) forms the first vent with the bottom of the inner wall of the tower body, and the lower edge of the lower diversion baffle (3) is connected with the bottom of the inner wall of the tower body, so The upper edge of the lower diversion baffle (3) and the top of the inner wall of the tower constitute a second vent, the adjacent upper diversion baffle (2) and the lower diversion baffle (3) and the The counter-current contact zone or the co-current contact zone is formed between tower bodies. 根据权利要求2所述的卧式废气净化塔，其中，所述上导流挡板(2)的下沿处设置有填料支撑板(4)，所述下导流挡板(3)的上沿处设有填料压板(5)，所述喷淋装置(7)设置于所述填料压板(5)的上方，所述填料支撑板(4)与所述填料压板(5)之间填充有填料(6)。The horizontal exhaust gas purification tower according to claim 2, wherein a filler support plate (4) is provided at the lower edge of the upper diversion baffle (2), and the upper part of the lower diversion baffle (3) A packing pressing plate (5) is provided along the edge, the spray device (7) is arranged above the packing pressing plate (5), and the packing support plate (4) and the packing pressing plate (5) are filled with stuffing (6). 根据权利要求3所述的卧式废气净化塔，其中，所述填料(6)为鲍尔环、阶梯环、拉西环、泰勒花环或空心分水球中的一种。The horizontal exhaust gas purification tower according to claim 3, wherein the filler (6) is one of Pall rings, stepped rings, Raschig rings, Taylor rosettes or hollow water separators. 根据权利要求4所述的卧式废气净化塔，其中，所述塔身上设置有填料口(12)，所述填料口(12)设置为向所述填料支撑板(4)和所述填料压板(5)之间装填所述填料(6)。The horizontal exhaust gas purification tower according to claim 4, wherein a packing port (12) is arranged on the tower body, and the packing port (12) is set to the packing support plate (4) and the packing pressing plate The filler (6) is filled between (5). 根据权利要求2-5中任一项所述的卧式废气净化塔，其中，所述卧式废气净化塔还包括除雾导流挡板(8)，所述除雾导流挡板(8)与所述塔身以及相邻的上导流挡板(2)或相邻的下导流挡板(3)形成除雾区，所述除雾区设置于所述出风区的上游。The horizontal exhaust gas purification tower according to any one of claims 2-5, wherein the horizontal exhaust gas purification tower further comprises a demisting guide baffle (8), and the demisting guide baffle (8 ) and the tower body and the adjacent upper deflector baffle (2) or the adjacent lower deflector baffle (3) form a defogging area, and the defogging area is arranged upstream of the wind outlet area. 根据权利要求6所述的卧式废气净化塔，其中，所述除雾导流挡板(8)的上沿与所述塔身的内壁的顶部连接，所述除雾导流挡板(8)的下沿与所述塔身的内壁的底部构成第三通风口，所述第三通风口连通所述出风区；The horizontal exhaust gas purification tower according to claim 6, wherein the upper edge of the defogging deflector (8) is connected to the top of the inner wall of the tower body, and the defogging deflector (8 ) and the bottom of the inner wall of the tower form a third vent, and the third vent communicates with the air outlet area; 或者，所述除雾导流挡板(8)的下沿与所述塔身的内壁的底部连接，所述 除雾导流挡板(8)的上沿与所述塔身的内壁的顶部构成所述第三通风口，所述第三通风口连通所述出风区。Or, the lower edge of the defogging baffle (8) is connected to the bottom of the inner wall of the tower, and the upper edge of the defogging baffle (8) is connected to the top of the inner wall of the tower. The third vent is formed, and the third vent communicates with the air outlet area. 根据权利要求7所述的卧式废气净化塔，其中，所述除雾区包括除雾器支撑板(9)和除雾器压板(10)，与所述除雾导流挡板(8)相邻的上导流挡板(2)的下沿处设置所述除雾器支撑板(9)，所述除雾导流挡板(8)的上沿处设置所述除雾器压板(10)，所述除雾器支撑板(9)与所述除雾器压板(10)之间安装有除雾器(11)；The horizontal exhaust gas purification tower according to claim 7, wherein the mist removal area includes a mist eliminator support plate (9) and a mist eliminator pressure plate (10), and the mist removal deflector baffle (8) The lower edge of the adjacent upper deflector (2) is provided with the demister support plate (9), and the upper edge of the defogger (8) is provided with the demister pressure plate ( 10), a demister (11) is installed between the demister supporting plate (9) and the demister pressing plate (10); 或者，所述除雾导流挡板(8)的下沿处设置所述除雾器支撑板(9)，与所述除雾导流挡板(8)相邻的下导流挡板(3)的上沿处设置所述除雾器压板(10)，所述除雾器支撑板(9)与所述除雾器压板(10)之间安装有所述除雾器(11)。Alternatively, the demister support plate (9) is provided at the lower edge of the defogging deflector (8), and the lower deflector adjacent to the defogging deflector (8) ( 3) The demister press plate (10) is arranged at the upper edge, and the demister (11) is installed between the demister support plate (9) and the demister press plate (10). 根据权利要求8所述的卧式废气净化塔，其中，所述除雾器(11)采用折流板除雾器、平板式除雾器、纤维除雾器或玻璃纤维除雾器中的一种。The horizontal exhaust gas purification tower according to claim 8, wherein the demister (11) is one of a baffle demister, a flat plate demister, a fiber demister or a glass fiber demister kind. 根据权利要求9所述的卧式废气净化塔，其中，所述塔身上设置有除雾器口(13)，所述除雾器口(13)设置为在所述除雾器支撑板(9)与所述除雾器压板(10)之间安装所述除雾器(11)。The horizontal exhaust gas purification tower according to claim 9, wherein a demister port (13) is provided on the tower body, and the demister port (13) is arranged on the support plate (9) of the demister ) and the demister plate (10) are installed between the demister (11).
PCT/CN2021/129953 2021-11-11 2021-11-11 Horizontal exhaust gas purification tower Ceased WO2023082120A1 (en)

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