CN201057499Y - 熔盐余热两用炉 - Google Patents

熔盐余热两用炉 Download PDF

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Publication number
CN201057499Y
CN201057499Y CNU2007200189038U CN200720018903U CN201057499Y CN 201057499 Y CN201057499 Y CN 201057499Y CN U2007200189038 U CNU2007200189038 U CN U2007200189038U CN 200720018903 U CN200720018903 U CN 200720018903U CN 201057499 Y CN201057499 Y CN 201057499Y
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fused salt
coil pipe
furnace
molten salt
collecting chamber
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CNU2007200189038U
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Inventor
胡宪锐
李飞
李动振
吕春香
刘晓飞
张文玉
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Prettech Machinery Making Co ltd
Tai'an Prettech Machinery Ltd By Share Ltd
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TAISHAN GROUP TAI'AN PRETTECH MACHINERY MAKING CO Ltd
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Abstract

本实用新型公开一种熔盐余热两用炉,包括熔盐盘管(2)和保温炉墙(4),在熔盐盘管(2)和保温炉墙(4)之间设有膜式水冷壁(3),膜式水冷壁(3)下部与下集箱(1)连接,其上部与上集箱(5)连接,上集箱(5)通过汽水混合物引出管(6)与气包(7)连接。该加热炉集熔盐加热炉与余热锅炉为一体,既提高了熔盐加热炉的热效率,又简化了炉墙保温结构,具有结构紧凑,投资低的特点。

Description

熔盐余热两用炉
技术领域
本实用新型涉及一种熔盐加热炉与余热锅炉一体化的新型特种锅炉。
背景技术
熔盐加热炉是一种以无机熔盐为热载体的特种锅炉,具有低压高温的工作特性,一般运行压力不高于1.0Mpa,而其供热温度可达450℃(液相)。常规熔盐加热炉主要由炉本体和燃烧系统两大部分组成。炉本体由盘管、内壳、保温炉墙等部件组成。燃烧系统由炉排、燃烧室、通风装置、给煤机、出渣机构、烟囱等组成。燃料在燃烧室内经过燃烧产生高温烟气进入炉本体,通过以辐射和对流为主要的传热方式与盘管内的熔盐换热。熔盐加热系统内由循环泵实现闭路强制循环,在炉本体内获得热量的熔盐作为热源供至用热设备,从而使熔盐加热炉实现对系统供热。
但熔盐加热炉在运行中存在排烟温度高于500℃以上的缺点,这导致排烟损失很高,进而使整个锅炉的热效率很低,大大浪费了能源。
发明内容
为解决现有熔盐加热炉热效率低的问题,本实用新型提供了一种熔盐加热炉与余热锅炉一体化的新型特种锅炉。
本实用新型所采取的技术方案为:该特种锅炉包括熔盐盘管2和保温炉墙4,在熔盐盘管2和保温炉墙4之间设有膜式水冷壁3,膜式水冷壁3下部与下集箱1连接,其上部与上集箱5连接,上集箱5通过汽水混合物引出管6与气包7连接。
熔盐盘管2由外盘管和内盘管组成,膜式水冷壁3位于外盘管和保温炉墙4之间。
气包7位于熔盐盘管2上方,为圆柱形。
利用加热完熔盐仍有较高温度的烟气以对流方式加热膜式水冷壁3内的水,水吸热变成蒸汽。采用此结构后既有效的提高了熔盐加热炉的热效率,又可以简化炉墙保温结构,有效解决了常规熔盐加热炉存在热效率很低的问题。
本实用新型的优点在于:1、降低了排烟温度;2、大幅度提高了锅炉热效率,节约能源;3、结构紧凑,节约原材料,造价低,投资省。
附图说明
图1为本实用新型的结构示意图。
具体实施方式
下面结合附图对本实用新型做进一步描述:
如图1所示,在常规熔盐加热炉熔盐盘管2与保温炉墙4之间加膜式水冷壁3,膜式水冷壁3下部与下集箱1连接,其上部与上集箱5连接,上集箱5通过汽水混合物引出管6与炉本体上部的圆柱形气包7连接。
烟气流程:高温烟气由炉本体底部进入内盘管;然后由内盘管上部进入内、外盘管组成的空间,向下流动;再进入外盘管与膜式水冷壁3组成的空间,向上流动;最后由外盘管与膜式水冷壁3组成的空间上部汇集后,最后流出炉本体。
熔盐流程:内、外盘管并联,熔盐由盘管底部进入炉本体,最后由盘管上部流出炉本体。
蒸汽流程:经过处理合格的水先进入下集箱1,再进入膜式水冷壁3;水在膜式水冷壁3中受热变为饱和蒸汽进入上集箱5,再经汽水混合物引出管6进入气包7;气包7向外输送一定压力的蒸汽。

Claims (3)

1.一种熔盐余热两用炉,包括熔盐盘管(2)和保温炉墙(4),其特征是,在熔盐盘管(2)和保温炉墙(4)之间设有膜式水冷壁(3),膜式水冷壁(3)下部与下集箱(1)连接,其上部与上集箱(5)连接,上集箱(5)通过汽水混合物引出管(6)与气包(7)连接。
2.根据权利要求1所述的熔盐余热两用炉,其特征是,熔盐盘管(2)由外盘管和内盘管组成,膜式水冷壁(3)位于外盘管和保温炉墙(4)之间。
3.根据权利要求1或2所述的熔盐余热两用炉,其特征是,位于熔盐盘管(2)上方的气包(7)为圆柱形。
CNU2007200189038U 2007-02-14 2007-02-14 熔盐余热两用炉 Expired - Fee Related CN201057499Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390846A (zh) * 2011-08-11 2012-03-28 唐山亚捷机械有限公司 余热盐水分离装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390846A (zh) * 2011-08-11 2012-03-28 唐山亚捷机械有限公司 余热盐水分离装置

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C56 Change in the name or address of the patentee

Owner name: TAIAN PRETTECH MACHINERY MAKING CO., LTD.

Free format text: FORMER NAME: TAISHAN GROUP TAI AN PRETTECH MACHINERY MAKING CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 271000 Shandong province Tai'an city Taishan District South Gate Road No. 16

Patentee after: PRETTECH MACHINERY MAKING Co.,Ltd.

Address before: 271000 Shandong province Tai'an city Taishan District South Gate Road No. 16

Patentee before: Tai'an prettech machinery Limited by Share Ltd.

CP03 Change of name, title or address

Address after: 271000 Shandong province Tai'an city Taishan District South Gate Road No. 16

Patentee after: Tai'an prettech machinery Limited by Share Ltd.

Address before: 271000 No. 16 South Gate Road, Tai'an, Shandong

Patentee before: Taishan Group Tai'an Purui Te Machinery Manufacturing Co.,Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080507

Termination date: 20140214