CN202898370U - 碎煤加压气化粗煤气余热回收装置 - Google Patents

碎煤加压气化粗煤气余热回收装置 Download PDF

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CN202898370U
CN202898370U CN2012205644285U CN201220564428U CN202898370U CN 202898370 U CN202898370 U CN 202898370U CN 2012205644285 U CN2012205644285 U CN 2012205644285U CN 201220564428 U CN201220564428 U CN 201220564428U CN 202898370 U CN202898370 U CN 202898370U
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waste heat
raw gas
pressure
recovery device
heat recovery
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王汉杰
贺同强
姚云
杨同莲
杨秀会
张湘凤
宋立敏
唐文骞
于晓辉
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China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
CNOOC Petrochemical Engineering Co Ltd
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China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
CNOOC Shandong Chemical Engineering Co Ltd
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    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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Abstract

本实用新型公开了一种碎煤加压气化粗煤气余热回收装置，属于煤化工节能环保设备领域，其结构包括粗煤气除尘器、中压废热锅炉和洗涤冷却器，中压废热锅炉的管程进口通过管道与粗煤气除尘器连通，中压废热锅炉的管程出口通过管道与洗涤冷却器连通。本实用新型的碎煤加压气化粗煤气余热回收装置和现有技术相比，具有能够有效利用余热产生中压蒸汽、减少煤气洗涤污水排放、节能环保、经济效益显著等特点。

Description

碎煤加压气化粗煤气余热回收装置
技术领域
本实用新型涉及煤化工节能环保设备领域，具体地说是碎煤加压气化粗煤气余热回收装置。
背景技术
鲁奇碎煤加压气化工艺开发之初主要是用于加工气化褐煤。由于褐煤的含水量一般较高，气化炉出口粗煤气温度只有220～250℃，所以通常采用低压废锅流程回收煤气热量产生低压蒸汽，随着气化原料的不断拓展，长焰煤、弱粘结性的烟煤、气煤、贫瘦煤等煤种现已经被应用于碎煤加压气化，气化炉出口的煤气温度可高达500～600℃，能产生价值更高的中压蒸汽，但目前仍然采用低压废锅流程，仅副产低压蒸汽，部分热量被煤气洗涤水带走，加大了煤气水的产生量，增大了废水处理量。
发明内容
本实用新型的技术任务是针对以上不足之处，提供一种热量利用效果好、设备投资低、安装使用方便的碎煤加压气化粗煤气余热回收装置。
本实用新型解决其技术问题所采用的技术方案是：该粗煤气余热回收装置包括粗煤气除尘器、中压废热锅炉和洗涤冷却器，中压废热锅炉的管程进口通过管道与粗煤气除尘器连通，中压废热锅炉的管程出口通过管道与洗涤冷却器连通。
本实用新型的碎煤加压气化粗煤气余热回收装置和现有技术相比，具有能够有效利用余热产生中压蒸汽、减少煤气洗涤污水排放、节能环保、经济效益显著等特点。采用中压废锅装置后，可将原有低压废锅工艺中的40％-50％的低压蒸汽转化为中压蒸汽，同时减少了约40％煤气洗涤水量，产生的中压蒸汽较现有工艺品位高，可以回用到碎煤加压气化及工厂中压管网，较低压废锅工艺提高了5-10％的热量利用。
附图说明
下面结合附图对本实用新型进一步说明。
附图为碎煤加压气化粗煤气余热回收装置的结构示意图。
图中：1、粗煤气除尘器，2、中压废热锅炉，3、洗涤冷却器。
具体实施方式
下面结合附图和具体实施例对本实用新型作进一步说明。
本实用新型的碎煤加压气化粗煤气余热回收装置，其结构包括粗煤气除尘器1、中压废热锅炉2和洗涤冷却器3，中压废热锅炉2的管程进口通过管道与粗煤气除尘器1连通，中压废热锅炉2的管程出口通过管道与洗涤冷却器3连通。
工艺流程：鲁奇炉出口的粗煤气进入粗煤气除尘器1，分离出粗煤气中的大部分煤尘，除尘后的粗煤气进入中压废热锅炉2换热，产生中压蒸汽，换热后的粗煤气进入洗涤冷却器3，用洗涤水洗涤，除去析出的焦油，并进一步除去粗煤气中剩余的灰尘。
本实用新型的碎煤加压气化粗煤气余热回收装置其加工制作非常简单方便，按说明书附图所示加工制作即可。
除说明书所述的技术特征外，均为本专业技术人员的已知技术。

Claims (1)

1.碎煤加压气化粗煤气余热回收装置，其特征在于包括粗煤气除尘器、中压废热锅炉和洗涤冷却器，中压废热锅炉的管程进口通过管道与粗煤气除尘器连通，中压废热锅炉的管程出口通过管道与洗涤冷却器连通。
CN2012205644285U 2012-10-31 2012-10-31 碎煤加压气化粗煤气余热回收装置 Expired - Lifetime CN202898370U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103320170A (zh) * 2013-07-05 2013-09-25 青岛科技大学 一种低阶煤气化方法
CN106281474A (zh) * 2016-08-30 2017-01-04 河北美邦工程科技股份有限公司 一种加压移动床煤气化炉高温煤气除尘和余热回收装置及其方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103320170A (zh) * 2013-07-05 2013-09-25 青岛科技大学 一种低阶煤气化方法
CN106281474A (zh) * 2016-08-30 2017-01-04 河北美邦工程科技股份有限公司 一种加压移动床煤气化炉高温煤气除尘和余热回收装置及其方法
CN106281474B (zh) * 2016-08-30 2019-08-20 河北美邦工程科技股份有限公司 一种加压移动床煤气化炉高温煤气除尘和余热回收装置及其方法

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Address after: 100010 Beijing City, Dongcheng District Chaoyangmen North Street, No. 25 building, Chinese CNOOC Offshore Oil Corporation, the Ministry of science and technology

Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd.

Patentee after: CHINA NATIONAL OFFSHORE OIL Corp.

Co-patentee after: CNOOC PETROCHEMICAL ENGINEERING Co.,Ltd.

Address before: 100010 Beijing City, Dongcheng District Chaoyangmen North Street, No. 25 building, Chinese CNOOC Offshore Oil Corporation, the Ministry of science and technology

Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd.

Patentee before: CHINA NATIONAL OFFSHORE OIL Corp.

Co-patentee before: CNOOC SHANDONG CHEMICAL ENGINEERING CO.,LTD.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130424