CN102462974A - 一种废气处理设备、装置及方法 - Google Patents
一种废气处理设备、装置及方法 Download PDFInfo
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- CN102462974A CN102462974A CN2010105381923A CN201010538192A CN102462974A CN 102462974 A CN102462974 A CN 102462974A CN 2010105381923 A CN2010105381923 A CN 2010105381923A CN 201010538192 A CN201010538192 A CN 201010538192A CN 102462974 A CN102462974 A CN 102462974A
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- Prior art keywords
- liquid
- waste gas
- liquid coolant
- gas
- absorber
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- 239000002912 waste gases Substances 0.000 title claims abstract description 110
- 280000197275 Treatment Facility companies 0.000 title abstract 2
- 239000007788 liquids Substances 0.000 claims abstract description 155
- 239000002826 coolants Substances 0.000 claims abstract description 75
- 239000007789 gases Substances 0.000 claims abstract description 34
- 239000006096 absorbing agents Substances 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000000034 methods Methods 0.000 claims description 17
- 229940108066 Coal Tar Drugs 0.000 claims description 12
- 239000011280 coal tar Substances 0.000 claims description 12
- 239000003570 air Substances 0.000 claims description 10
- 238000006297 dehydration reactions Methods 0.000 claims description 10
- 229910000497 Amalgams Inorganic materials 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000003921 oils Substances 0.000 abstract description 50
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene Chemical compound 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C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 abstract description 23
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol Chemical compound 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OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002351 wastewater Substances 0.000 abstract description 12
- 229930012076 Naphthalene Natural products 0.000 abstract 1
- 239000000126 substances Substances 0.000 abstract 1
- 239000000463 materials Substances 0.000 description 17
- 239000011901 water Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
Description
一种废气处理设备、装置及方法
【技术领域】
[0001] 本发明属于废气处理技术领域,尤其涉及一种废气处理设备、装置及方法。 【背景技术】
[0002] 随着人们环保意识的不断增强,各个国家和地区对环境质量的要求也越来越高, 尤其是在废气和废水的排放方面,都有着严格的限定。
[0003] 在炭黑的生产过程中,需要将原料煤焦油进行脱水配方处理,对煤焦油脱水配方处理时往往会由于温度过高,造成轻油和萘油等物质的蒸发,产生大量的含轻油和萘油的废气和含酚废水。
[0004] 现有技术中,通常是采用文氏管水洗装置将炭黑生产过程中产生的废气进行水洗冷凝处理,在实际应用过程中,往往仍有轻油和萘油挥发并随废气外排到空气中,产生较强的刺激性气味,会对环境造成严重的污染,同时,经水洗冷凝处理后产生的含酚废水也不能得到充分的利用,造成资源的浪费。
[0005] 如何更好的实现对炭黑生产过程中产生的废气中的轻油和萘油等物质的充分回收,不仅是炭黑生产领域需要解决的问题之一,也是废气处理技术领域的研究方向之一。
【发明内容】
[0006] 本发明所解决的技术问题是提供一种废气处理装置,以更好的实现对炭黑生产过程中产生的废气中轻油和萘油等物质的充分回收。
[0007] 本发明为解决技术问题而采用的技术方案是提供一种废气处理装置,废气为气体和液体的混合体,液体包括第一液体和第二液体,装置包括过滤设备,过滤设备的底侧设置废气入口端,顶端设置气体出口端,
[0008] 废气通过废气入口端进入过滤设备,第一液态冷却剂通过气体出口端进入过滤设备,其中,第一液态冷却剂与废气接触后,第一液态冷却剂融合废气中的液体,经第一液态冷却剂融合后剩余的废气经由气体出口端排出;
[0009] 过滤设备还包括用于增加第一液态冷却剂与废气的接触面积的吸附器,吸附器还用于获取第一液态冷却剂和融合后的液体;
[0010] 装置还包括分离设备,分离设备连接过滤设备的吸附器,用于将吸附器获取的第一液态冷却剂和融合后的液体进行分离,获取废气中的第一液体。
[0011] 根据本发明一优选实施例,吸附器内部为垂直筛板结构。
[0012] 根据本发明一优选实施例,装置还包括鼓风机、冷凝器、第一液体收集槽以及产生废气的煤焦油脱水配方罐,
[0013] 其中,鼓风机将煤焦油脱水配方罐产生的废气进行吹扫;
[0014] 冷凝器用于将鼓风机吹扫来的废气进行冷凝处理,获取废气中的第一液体;
[0015] 第一液体收集槽存储冷凝器获取的第一液体。
[0016] 根据本发明一优选实施例,装置还包括循环槽,循环槽连接分离设备,用于对经分离设备处理后的第二液态冷却剂进行收集,其中,第二液态冷却剂中含有未被分离设备分离掉的第二液体。
[0017] 根据本发明一优选实施例,装置还包括一急冷泵以及与急冷泵连接的炭黑反应炉,急冷泵连接循环槽,用于将循环槽内的第二液态冷却剂导入炭黑反应炉。
[0018] 本发明为解决技术问题而采用的技术方案是提供一种废气过滤设备,废气为气体和液体的混合体,液体包括第一液体和第二液体,设备的底侧设置废气入口端,顶端设置气体出口端,
[0019] 废气通过废气入口端进入废气过滤设备,第一液态冷却剂通过气体出口端进入废气过滤设备,其中,第一液态冷却剂与废气接触后,第一液态冷却剂融合废气中的液体,经第一液态冷却剂融合后剩余的废气经由气体出口端排出;
[0020] 设备还包括用于增加第一液态冷却剂与废气的接触面积吸的附器,吸附器用于获取第一液态冷却剂和第一液态冷却剂融合的废气中的液体。
[0021] 根据本发明一优选实施例,吸附器内部为垂直筛板结构。
[0022] 本发明为解决技术问题而采用的技术方案是提供一种废气过滤方法,所述方法包括以下步骤:
[0023] 通过过滤设备底侧的废气入口端将废气导入所述过滤设备;其中,废气为气体和液体的混合体,液体包括第一液体和第二液体;
[0024] 通过过滤设备顶端的气体出口端将第一液态冷却剂导入过滤设备;
[0025] 第一液态冷却剂通过过滤设备内的吸附器与废气接触,第一液态冷却剂融合废气中的液体;经第一液态冷却剂融合后剩余的废气经由气体出口端排出;
[0026] 分离设备将吸附器获取的第一液态冷却剂和融合后的液体进行分离,获取废气中的第一液体。
[0027] 根据本发明一优选实施例,所述方法还包括以下步骤:
[0028] 通过循环槽对经分离设备处理后的第二液态冷却剂进行收集,其中,第二液态冷却剂中含有未被分离设备分离掉的第二液体。
[0029] 根据本发明一优选实施例,所述方法还包括以下步骤:
[0030] 通过急冷泵将所述循环槽内的第二液态冷却剂导入炭黑反应炉。
[0031] 通过上述方式,本发明实施例不仅能够对炭黑生产过程中产生的废气中轻油和萘油等物质进行充分回收,还能够对含酚废水进行重新利用。
【附图说明】
[0032] 图1是本发明实施例提供的废气处理装置的示意结构图;
[0033] 图2是本发明实施例提供的废气处理设备的示意结构图;
[0034] 图3是本发明实施例提供的废气处理方法的示意流程图。
【具体实施方式】
[0035] 下面结合附图和实施例对本发明进行详细说明。
[0036] 请参阅图1,图1为本发明实施例提供的废气处理装置的结构。
[0037] 废气处理装置包括鼓风机11、煤焦油脱水配方罐12、冷凝器13、萘油收集槽14、轻油收集槽15、过滤设备16、分离设备17、循环槽18、循环水泵19、废水槽20、冷水泵21、炭黑反应炉22以及地下油槽23。
[0038] 其中,煤焦油脱水配方罐12用于提炼煤焦油,提炼过程中,产生大量的废气,废气为气体和液体的混合体,液体包括第一液体和第二液体,在本发明实施中,第一液体为萘油、轻油等可利用物质;第二液体为酚等物质。
[0039] 鼓风机11和冷凝器13均连接煤焦油脱水配方罐12。
[0040] 废气处理装置还包括第一液体收集槽,本发明实施例中,第一液体收集槽包括萘油收集槽14、轻油收集槽15。
[0041] 过滤设备16连接轻油收集槽15,还连接分离设备17,更具体的,请参阅图2,图2 示出了本发明实施例提供的过滤设备16的结构。
[0042] 过滤设备16的底侧设置废气入口端161,顶端设置气体出口端162,内部设置吸附器163,其中,吸附器163内部为垂直筛板结构,采用波纹状的不锈钢材料,当然也可以是其它的能够能加吸附面积的材料,此处不一一列举。在具体实施过程中,分离设备17连接过滤设备16的吸附器163。
[0043] 循环槽18连接分离设备17 ;循环水泵19分别连接循环槽18和急冷泵20 ;急冷泵 21还连接废水槽20以及炭黑反应炉22。
[0044] 地下油槽23连接分离设备17、萘油收集槽14和轻油收集槽15。
[0045] 本发明实施例的废气处理装置工作过程大致如下:
[0046] 煤焦油脱水配方罐12炼油过程中产生大量的废气,废气包括第一液体,譬如萘油、轻油,还包括第二液体,譬如酚等物质;
[0047] 鼓风机11将煤焦油脱水配方罐12产生的大量废气吹扫至冷凝器13,冷凝器13对废气进行冷凝处理,获取废气中的萘油、轻油等第一液体;
[0048] 萘油收集槽14和轻油收集槽15将冷凝器13处理后的萘油、轻油分别进行收集后排入地下油槽23 ;
[0049] 之后,请参阅图2,依次经萘油收集槽14和轻油收集槽15脱水处理后的废气温度一般在90C至100C之间,为高温废气,高温废气通过过滤设备16的废气入口端161进入过滤设备16 ;同时,废水槽20将第一液态冷却剂通过气体出口端162导入过滤设备16,为便于描述,本发明以第一液态冷却剂为常温下的水为例进行说明,当然也可以是其它的冷却齐U,此处不一一列举;
[0050] 常温下的水与高温废气在吸附器163接触,本发明实施例中的吸附器163内部为垂直筛板结构,采用波纹状的不锈钢材料,使得常温下的水与高温废气的接触面积增大;
[0051] 常温下的水与高温废气在过滤设备16内反复进行汽化冷凝,含萘油、轻油以及酚的高温废气往上走,而常温下的水往下走,形成逆流,由于萘油、轻油等物质具有可冷凝性, 废气中的气体不可冷凝,因此,高温废气中的萘油、轻油等将被晰出,酚也融合在常温下的水中,不可冷凝的气体通过气体出口端162排出。
[0052] 常温下的水融合萘油、轻油以及酚等物质后,被吸附器163获取,分离设备17将吸附器163获取的常温下的水和被常温下的水融合的萘油、轻油以及酚等物质进行分离,将第一液体分离出,分离后的第一液体-萘油、轻油等物质被直接排送至地下油槽23 ;剩余的为第二液态冷却剂,即为水和第二液体的混合物,剩余的第二液态冷却剂进入循环槽18。CN 102462974 A 说明书 4/4 页
[0053] 循环水泵19将循环槽18内的第二液态冷却剂导入急冷泵21,急冷泵21将第二液态冷却剂作为废水,按照需求导入废水槽20,或者导入炭黑反应炉22。
[0054] 本发明实施例还提供一种废气处理设备,关于该废气处理设备的详细描述及工作过程请参阅图2以及上文对该设备的描述,此处不再赘述。
[0055] 图3示出了本发明实施例提供的废气过滤方法的流程。
[0056] 在步骤S301中,通过过滤设备底侧的废气入口端将废气导入过滤设备。
[0057] 其中,废气为气体和液体的混合体,液体包括第一液体和第二液体。在本发明实施中,第一液体为萘油、轻油等可利用物质;第二液体为酚等物质。
[0058] 在步骤S302中,通过过滤设备顶端的气体出口端将第一液态冷却剂导入过滤设备。
[0059] 在步骤S303中,第一液态冷却剂通过过滤设备内的吸附器与废气接触,第一液态冷却剂融合废气中的液体。
[0060] 在具体实施过程中,经第一液态冷却剂融合后剩余的废气经由气体出口端排出。
[0061] 在步骤S304中,分离设备将吸附器获取的第一液态冷却剂和融合后的液体进行分离,获取所述废气中的第一液体。
[0062] 在步骤S305中,通过循环槽对经分离设备处理后的第二液态冷却剂进行收集。
[0063] 其中,第二液态冷却剂为第一液态冷却剂以及被第一液态冷却剂融合的第二液体-酚。
[0064] 在步骤S306中,通过急冷泵将循环槽内的第二液态冷却剂导入炭黑反应炉。
[0065] 在具体实施过程中,急冷泵也可将第二液态冷却剂导入废水槽。
[0066] 关于废气过滤方法其他详细描述请参阅上文针对废气过滤装置的描述,此处不再赘述。
[0067] 本发明不仅能够对炭黑生产过程中产生的废气中轻油和萘油等物质进行充分回收,还能够对含酚废水进行重新利用。
[0068] 在上述实施例中,仅对本发明进行了示范性描述,但是本领域技术人员在阅读本专利申请后可以在不脱离本发明的精神和范围的情况下对本发明进行各种修改。
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