CN105698197A - Light component removal tower noncondensable gas recycling system and method - Google Patents

Light component removal tower noncondensable gas recycling system and method Download PDF

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Publication number
CN105698197A
CN105698197A CN201610089363.6A CN201610089363A CN105698197A CN 105698197 A CN105698197 A CN 105698197A CN 201610089363 A CN201610089363 A CN 201610089363A CN 105698197 A CN105698197 A CN 105698197A
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pressure
gas
air inlet
torch
surge tank
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CN105698197B (en
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魏家禄
季国宝
马潜飞
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Zhejiang Maidui Technology Co ltd
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Zhejiang Seg Energy Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/14Gaseous waste or fumes

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Incineration Of Waste (AREA)

Abstract

The invention discloses a light component removal tower noncondensable gas recycling system and method. The light component removal tower noncondensable gas recycling system comprises a light component removal tower noncondensable gas outlet, a fuel buffer tank, a waste acid incinerator gas inlet and a torch ever-burning lamp gas inlet, wherein the light component removal tower noncondensable gas outlet communicates with a gas inlet of the fuel buffer tank sequentially through an adjusting valve and a first valve; and the waste acid incinerator gas inlet and the torch ever-burning lamp gas inlet communicate with a gas outlet of the fuel buffer tank. Noncondensable gas generated in the sulfuric acid alkylation production process can be recycled, and compared with the traditional mode that noncondensable gas is directly exhausted into a torch gas header pipe and consumed through torch combustion, resource waste is avoided, and the economic benefits of an enterprise are improved.

Description

脱轻塔不凝气回收利用系统及其回收利用的方法Non-condensable gas recovery and utilization system of light removal tower and its recovery and utilization method

技术领域technical field

本发明属于不凝气回收利用系统技术领域,涉及一种脱轻塔不凝气回收利用系统及其回收利用的方法。The invention belongs to the technical field of non-condensable gas recovery and utilization systems, and relates to a non-condensable gas recovery and utilization system of a light removal tower and a recovery and utilization method thereof.

背景技术Background technique

硫酸烷基化是以异丁烷、丁烯为原料,浓硫酸(98%w)为催化剂来生产工业异辛烷。工艺流程包括原料预处理、反应压缩、精制、产品分馏等部分,生产过程中会产生有组织排放的不凝气,例如:脱轻塔不凝气。一般企业针对该不凝气的做法是直接排放至火炬气总管后,通过火炬燃烧来避免对环境的污染,不凝气中的主要成分有乙烷、乙烯、丙烷、异丁烷等,而乙烷、乙烯、丙烷、异丁烷都是非常好的燃料,如直接将其排放燃烧是十分可惜的,不仅造成了资源的浪费,且不利于企业经济效益的提升。Sulfuric acid alkylation uses isobutane and butene as raw materials and concentrated sulfuric acid (98%w) as a catalyst to produce industrial isooctane. The process includes raw material pretreatment, reaction compression, refining, product fractionation and other parts. During the production process, non-condensable gas will be discharged in an organized manner, such as non-condensable gas in the light removal tower. The common practice of enterprises for this non-condensable gas is to directly discharge it to the flare gas main pipe, and burn it through the torch to avoid environmental pollution. The main components of the non-condensable gas are ethane, ethylene, propane, isobutane, etc. Alkanes, ethylene, propane, and isobutane are all very good fuels. It would be a pity to burn them directly, which not only causes a waste of resources, but also is not conducive to the improvement of the economic benefits of enterprises.

发明内容Contents of the invention

针对上述问题,本发明要解决的技术问题是提供一种能够对不凝气进行回收利用,从而来避免资源浪费的脱轻塔不凝气回收利用系统及其回收利用的方法。In view of the above problems, the technical problem to be solved by the present invention is to provide a non-condensable gas recycling system and a recycling method thereof which can recycle the non-condensable gas to avoid waste of resources.

本发明的脱轻塔不凝气回收利用系统,包括脱轻塔不凝气出气口、燃料缓冲罐、废酸焚烧炉进气口、火炬长明灯进气口,所述脱轻塔不凝气出气口依次通过调节阀和第一阀门与燃料缓冲罐的进气口连通,所述废酸焚烧炉进气口和火炬长明灯进气口与燃料缓冲罐的出气口连通,它还包括火炬气总管进气口,所述火炬气总管进气口通过压力控制阀与燃料缓冲罐的进气口连通,所述燃料缓冲罐上连接有用于控制压力控制阀启闭的压力传感器;通过压力控制阀的设置,当燃料缓冲罐中的气压过高时,压力传感器能够开启压力控制阀,从而使得不凝气能够排放至火炬气总管进气口,进而能够避免因燃料缓冲罐中气压过大而出现燃料缓冲罐爆炸的现象,所述火炬长明灯进气口通过自力式调节阀连通有补充气罐;通过补充气罐和自力式调节阀的设置,当火炬长明灯中的气压不足时,自力式调节阀开启,补充气罐中的压缩空气能够补充到火炬长明灯中,从而能够避免火炬长明灯出现熄灭的现象,它还包括火炬气进气口,所述火炬气进气口通过第二阀门与调节阀和第一阀门之间的管道连通;通过火炬气进气口和第二阀门的设置,当燃料缓冲罐中的气压过高时,可通过手动开启第二阀门,将不凝气释放到火炬气燃烧装置中,能够避免因燃料缓冲罐中气压过大而出现燃料缓冲罐爆炸的现象。The non-condensable gas recovery and utilization system of the light removal tower of the present invention includes a non-condensable gas outlet of the light removal tower, a fuel buffer tank, an air inlet of a waste acid incinerator, and an air inlet of a torch lamp, and the non-condensable gas outlet of the light removal tower The gas port communicates with the air inlet of the fuel buffer tank through the regulating valve and the first valve in turn, and the air inlet of the waste acid incinerator and the torch light are connected with the gas outlet of the fuel buffer tank, and it also includes the inlet of the torch gas main pipe. Gas port, the air inlet of the flare gas main pipe communicates with the air inlet of the fuel buffer tank through the pressure control valve, and the fuel buffer tank is connected with a pressure sensor for controlling the opening and closing of the pressure control valve; through the setting of the pressure control valve , when the air pressure in the fuel buffer tank is too high, the pressure sensor can open the pressure control valve, so that the non-condensable gas can be discharged to the inlet of the flare gas main pipe, thereby avoiding fuel buffering due to excessive pressure in the fuel buffer tank tank explosion phenomenon, the air inlet of the torch lamp is connected with a supplementary gas tank through a self-operated regulating valve; through the setting of the supplementary gas tank and the self-operated regulating valve, when the air pressure in the torch permanent lamp is insufficient, the self-operated regulating valve opens, The compressed air in the supplementary air tank can be supplemented into the torch permanent light, so as to avoid the phenomenon that the torch permanent light goes out. The pipeline between the valves is connected; through the setting of the flare gas inlet and the second valve, when the air pressure in the fuel buffer tank is too high, the second valve can be manually opened to release the non-condensable gas into the flare gas combustion device , can avoid the phenomenon that the fuel buffer tank explodes due to the excessive pressure in the fuel buffer tank.

本发明的脱轻塔不凝气回收利用的方法,包括以下步骤:The method for recycling the non-condensable gas of the light removal tower of the present invention comprises the following steps:

(1)燃料缓冲罐首先对脱轻塔产生的不凝气进行收集,然后对收集到的不凝气进行缓冲;(1) The fuel buffer tank first collects the non-condensable gas generated by the light removal tower, and then buffers the collected non-condensable gas;

(2)燃料缓冲罐将收集到的不凝气输送到废酸焚烧炉和火炬长明灯中,以供废酸焚烧炉和火炬长明灯的燃烧使用;(2) The fuel buffer tank transports the collected non-condensable gas to the waste acid incinerator and the torch lamp for combustion of the waste acid incinerator and the torch lamp;

(3)当燃料缓冲罐中的不凝气压力超过压力传感器设定的压力时,压力传感器控制压力控制阀开启,燃料缓冲罐中的不凝气通过压力控制阀排放至火炬气总管进气口;(3) When the pressure of non-condensable gas in the fuel buffer tank exceeds the pressure set by the pressure sensor, the pressure sensor controls the pressure control valve to open, and the non-condensable gas in the fuel buffer tank is discharged to the inlet port of the flare gas main pipe through the pressure control valve ;

(4)当燃料缓冲罐中的不凝气压力低于压力传感器设定的压力时,压力传感器控制压力控制阀关闭。(4) When the non-condensable gas pressure in the fuel buffer tank is lower than the pressure set by the pressure sensor, the pressure sensor controls the pressure control valve to close.

(5)当火炬长明灯进气口的压力低于火炬长明灯燃烧需要的气压时,自力式调节阀开启,补充气罐中的压缩空气补充到火炬长明灯进气口中,实现对火炬长明灯进气口的压力的补充;(5) When the pressure of the air inlet of the torch light is lower than the air pressure required for the combustion of the torch light, the self-operated regulating valve is opened, and the compressed air in the supplementary gas tank is replenished into the air inlet of the torch light to realize the air inlet of the torch light pressure supplement;

(6)当火炬长明灯进气口的压力达到火炬长明灯燃烧需要的气压时,自力式调节阀关闭,补充气罐停止对火炬长明灯的压力补充。(6) When the pressure of the air inlet of the torch light reaches the air pressure required for the torch light to burn, the self-operated regulating valve is closed, and the supplementary gas tank stops the pressure supplement to the torch light.

(7)当燃料缓冲罐进气口处的压力超过燃料缓冲罐的额定压力时,可手动开启第二阀门将脱轻塔产生的不凝气直接排放至火炬气进气口;(7) When the pressure at the inlet of the fuel buffer tank exceeds the rated pressure of the fuel buffer tank, the second valve can be manually opened to directly discharge the non-condensable gas generated by the light removal tower to the flare gas inlet;

(8)当燃料缓冲罐进气口处的压力低于燃料缓冲罐的额定压力时,可手动关闭第二阀门,停止对脱轻塔产生的不凝气的排放。(8) When the pressure at the inlet of the fuel buffer tank is lower than the rated pressure of the fuel buffer tank, the second valve can be manually closed to stop the discharge of non-condensable gas generated by the light removal tower.

本发明有益效果:本发明能够将硫酸烷基化生产过程中产生的不凝气进行回收利用,与传统将不凝气直接排放至火炬气总管后,通过火炬燃烧来消耗不凝气的方式相比,避免了资源的浪费,提高了企业的经济效益。Beneficial effects of the present invention: the present invention can recycle the non-condensable gas produced in the sulfuric acid alkylation production process, which is comparable to the traditional method of consuming the non-condensable gas through torch combustion after the non-condensable gas is directly discharged to the flare gas main pipe It avoids the waste of resources and improves the economic benefits of the enterprise.

附图说明Description of drawings

为了易于说明,本发明由下述的具体实施及附图作以详细描述。For ease of illustration, the present invention is described in detail by the following specific implementations and accompanying drawings.

图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.

具体实施方式detailed description

如图1所示的脱轻塔不凝气回收利用系统,包括脱轻塔不凝气出气口1、燃料缓冲罐2、废酸焚烧炉进气口3、火炬长明灯进气口4,所述脱轻塔不凝气出气口1依次通过调节阀9和第一阀门10与燃料缓冲罐2的进气口连通,所述废酸焚烧炉进气口3和火炬长明灯进气口4与燃料缓冲罐2的出气口连通,它还包括火炬气总管进气口5,所述火炬气总管进气口5通过压力控制阀6与燃料缓冲罐2的进气口连通,所述燃料缓冲罐2上连接有用于控制压力控制阀6启闭的压力传感器61,所述火炬长明灯进气口4通过自力式调节阀7连通有补充气罐8,它还包括火炬气进气口11,所述火炬气进气口11通过第二阀门12与调节阀9和第一阀门10之间的管道连通。The non-condensable gas recovery and utilization system of the light removal tower as shown in Figure 1 includes a non-condensable gas outlet 1 of the light removal tower, a fuel buffer tank 2, an air inlet 3 of the waste acid incinerator, and an air inlet 4 of the torch lamp. The non-condensable gas outlet 1 of the light removal tower communicates with the air inlet of the fuel buffer tank 2 through the regulating valve 9 and the first valve 10 in turn, and the air inlet 3 of the waste acid incinerator and the air inlet 4 of the torch light are connected with the fuel buffer The gas outlet of tank 2 communicates, and it also comprises flare gas main pipe air inlet 5, and described flare gas main pipe air inlet 5 communicates with the air inlet of fuel buffer tank 2 through pressure control valve 6, and on described fuel buffer tank 2 A pressure sensor 61 for controlling the opening and closing of the pressure control valve 6 is connected, and the air inlet 4 of the torch light is communicated with a supplementary gas tank 8 through a self-operated regulating valve 7, and it also includes a torch gas air inlet 11, and the torch gas The air inlet 11 communicates with the pipeline between the regulating valve 9 and the first valve 10 through the second valve 12 .

本发明的脱轻塔不凝气回收利用的方法,包括以下步骤:The method for recycling the non-condensable gas of the light removal tower of the present invention comprises the following steps:

(1)燃料缓冲罐首先对脱轻塔产生的不凝气进行收集,然后对收集到的不凝气进行缓冲;(1) The fuel buffer tank first collects the non-condensable gas generated by the light removal tower, and then buffers the collected non-condensable gas;

(2)燃料缓冲罐将收集到的不凝气输送到废酸焚烧炉和火炬长明灯中,以供废酸焚烧炉和火炬长明灯的燃烧使用;(2) The fuel buffer tank transports the collected non-condensable gas to the waste acid incinerator and the torch lamp for combustion of the waste acid incinerator and the torch lamp;

(3)当燃料缓冲罐中的不凝气压力超过压力传感器设定的压力时,压力传感器控制压力控制阀开启,燃料缓冲罐中的不凝气通过压力控制阀排放至火炬气总管进气口;(3) When the pressure of non-condensable gas in the fuel buffer tank exceeds the pressure set by the pressure sensor, the pressure sensor controls the pressure control valve to open, and the non-condensable gas in the fuel buffer tank is discharged to the inlet port of the flare gas main pipe through the pressure control valve ;

(4)当燃料缓冲罐中的不凝气压力低于压力传感器设定的压力时,压力传感器控制压力控制阀关闭。(4) When the non-condensable gas pressure in the fuel buffer tank is lower than the pressure set by the pressure sensor, the pressure sensor controls the pressure control valve to close.

(5)当火炬长明灯进气口的压力低于火炬长明灯燃烧需要的气压时,自力式调节阀开启,补充气罐中的压缩空气补充到火炬长明灯进气口中,实现对火炬长明灯进气口的压力的补充;(5) When the pressure of the air inlet of the torch light is lower than the air pressure required for the combustion of the torch light, the self-operated regulating valve is opened, and the compressed air in the supplementary gas tank is replenished into the air inlet of the torch light to realize the air inlet of the torch light pressure supplement;

(6)当火炬长明灯进气口的压力达到火炬长明灯燃烧需要的气压时,自力式调节阀关闭,补充气罐停止对火炬长明灯的压力补充。(6) When the pressure of the air inlet of the torch light reaches the air pressure required for the torch light to burn, the self-operated regulating valve is closed, and the supplementary gas tank stops the pressure supplement to the torch light.

(7)当燃料缓冲罐进气口处的压力超过燃料缓冲罐的额定压力时,可手动开启第二阀门将脱轻塔产生的不凝气直接排放至火炬气进气口;(7) When the pressure at the inlet of the fuel buffer tank exceeds the rated pressure of the fuel buffer tank, the second valve can be manually opened to directly discharge the non-condensable gas generated by the light removal tower to the flare gas inlet;

(8)当燃料缓冲罐进气口处的压力低于燃料缓冲罐的额定压力时,可手动关闭第二阀门,停止对脱轻塔产生的不凝气的排放。(8) When the pressure at the inlet of the fuel buffer tank is lower than the rated pressure of the fuel buffer tank, the second valve can be manually closed to stop the discharge of non-condensable gas generated by the light removal tower.

上面所述的实施例仅仅是对本发明的优选实施方式进行描述,并非对本发明的构思和范围进行限定。在不脱离本发明设计构思的前提下,本领域普通人员对本发明的技术方案做出的各种变型和改进,均应落入到本发明的保护范围,本发明请求保护的技术内容,已经全部记载在权利要求书中。The above-mentioned embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solution of the present invention shall fall within the scope of protection of the present invention, and the technical content claimed in the present invention has been fully described in the claims.

Claims (4)

1. a lightness-removing column fixed gas recycling system, it is characterized in that: include lightness-removing column fixed gas gas outlet (1), fuel surge tank (2), spent acid incinerator air inlet (3), torch altar lamp which burns day and night air inlet (4), described lightness-removing column fixed gas gas outlet (1) passes sequentially through adjustment valve (9) and connects with the air inlet of the first valve (10) with fuel surge tank (2), described spent acid incinerator air inlet (3) connects with the gas outlet of torch altar lamp which burns day and night air inlet (4) with fuel surge tank (2), it also includes torch gas house steward's air inlet (5), described torch gas house steward's air inlet (5) is connected by the air inlet of pressure-control valve (6) with fuel surge tank (2), described fuel surge tank (2) is connected to for controlling the pressure transducer (61) that pressure-control valve (6) opens and closes, described torch altar lamp which burns day and night air inlet (4) is communicated with supplementary gas tank (8) by direct-operated regulator (7), it also includes torch gas air inlet (11), described torch gas air inlet (11) is by the pipeline communication between the second valve (12) and adjustment valve (9) and the first valve (10)。
2. the method that lightness-removing column fixed gas according to claim 1 is recycled, it is characterised in that comprise the following steps:
(1) fixed gas that first lightness-removing column is produced by fuel surge tank is collected, and then the fixed gas collected is cushioned;
(2) fixed gas collected is transported in spent acid incinerator and torch altar lamp which burns day and night by fuel surge tank, and the burning for spent acid incinerator and torch altar lamp which burns day and night uses;
(3) when the pressure of the fixed gas pressure overpressure sensor settings in fuel surge tank, pressure transducer controls pressure-control valve and opens, and the fixed gas in fuel surge tank is by pressure-control valve discharge to torch gas house steward's air inlet;
(4) when the pressure that the fixed gas pressure in fuel surge tank sets lower than pressure transducer, pressure transducer controls pressure-control valve and closes。
3. the method that lightness-removing column fixed gas according to claim 2 is recycled, it is characterised in that it is further comprising the steps of:
(5) when the air pressure that the pressure of torch altar lamp which burns day and night air inlet needs lower than torch altar lamp which burns day and night burning, direct-operated regulator is opened, and the compression air supplemented in gas tank adds in torch altar lamp which burns day and night air inlet, it is achieved to supplementing of the pressure of torch altar lamp which burns day and night air inlet;
(6) when the pressure of torch altar lamp which burns day and night air inlet reaches the air pressure that torch altar lamp which burns day and night burning needs, direct-operated regulator is closed, and supplements the gas tank stopping pressure to torch altar lamp which burns day and night and supplements。
4. the method that lightness-removing column fixed gas according to claim 3 is recycled, it is characterised in that it is further comprising the steps of:
(7) when the pressure at fuel surge tank air inlet place exceedes the rated pressure of fuel surge tank, manually opened second valve the fixed gas that lightness-removing column produces can be directly discharged to torch gas air inlet;
(8) when the pressure at fuel surge tank air inlet place is lower than the rated pressure of fuel surge tank, can manual-lock the second valve, stop the discharge of fixed gas that lightness-removing column is produced。
CN201610089363.6A 2016-02-17 2016-02-17 Lightness-removing column fixed gas recycling system and its method for recycling Active CN105698197B (en)

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CN107930345A (en) * 2017-11-21 2018-04-20 七台河宝泰隆圣迈煤化工有限责任公司 A kind of exhaust treatment system for exchanging altar lamp burning resolution gas and fuel gas
CN108488623A (en) * 2018-03-14 2018-09-04 北京沃太斯环保科技发展有限公司 A kind of desorption desorption Flash Gas Compression Skid System and method
CN109876636A (en) * 2019-04-24 2019-06-14 福建鼎信科技有限公司 Phenol pond emission-control equipment

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CN201476028U (en) * 2009-08-26 2010-05-19 江苏中圣高科技产业有限公司 Safe recycle and discharge system for torch gas
JP2011174852A (en) * 2010-02-25 2011-09-08 Nippon Instrument Kk Mercury atomic absorption spectrometer and mercury analyzing system
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CN107930345A (en) * 2017-11-21 2018-04-20 七台河宝泰隆圣迈煤化工有限责任公司 A kind of exhaust treatment system for exchanging altar lamp burning resolution gas and fuel gas
CN108488623A (en) * 2018-03-14 2018-09-04 北京沃太斯环保科技发展有限公司 A kind of desorption desorption Flash Gas Compression Skid System and method
CN109876636A (en) * 2019-04-24 2019-06-14 福建鼎信科技有限公司 Phenol pond emission-control equipment

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