CN202994319U - 锅炉热电偶测温装置 - Google Patents
锅炉热电偶测温装置 Download PDFInfo
- Publication number
- CN202994319U CN202994319U CN 201220689572 CN201220689572U CN202994319U CN 202994319 U CN202994319 U CN 202994319U CN 201220689572 CN201220689572 CN 201220689572 CN 201220689572 U CN201220689572 U CN 201220689572U CN 202994319 U CN202994319 U CN 202994319U
- Authority
- CN
- China
- Prior art keywords
- boiler
- thermocouple
- temperature measuring
- core
- protective casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000001681 protective Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003628 erosive Effects 0.000 abstract description 3
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 3
- 238000005296 abrasive Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本实用新型涉及一种锅炉热电偶测温装置，其特征是：包括安装在锅炉炉墙孔洞内的子弹头套管，所述子弹头套管是由采用修炉专用浇注料将一端封堵的热电偶芯保护套管及无缝钢管焊接而成，在该子弹头套管内安装有热电偶芯。本实用新型的锅炉热电偶测温装置耐冲刷、耐磨能力强，可有效提高热电偶使用寿命，降低生产成本，并能保证锅炉温度测点的准确性，提高锅炉的安全运行。
Description
锅炉热电偶测温装置
技术领域
[0001] 本实用新型涉及工业锅炉应用技术领域，特别是涉及一种锅炉热电偶测温装置。背景技术
[0002] 在锅炉设备的运行中，需要时刻对锅炉燃烧系统、汽水系统及风烟系统等部位的温度进行监视，让运行人员根据温度情况做到及时调整，以保证锅炉的安全运行。一般锅炉使用的测温元件多为热电偶、热电阻，根据它们材质性能的不同在锅炉中低温区较为适用，但在燃烧室、返料室等温度较高区(最高点达到1100°C)，由于这些部位工作温度较高，加之硬度较大的烟尘颗粒在高速流化风的强烈冲刷下，使得热电偶套管及芯部易磨损，运行期间极易造成热电偶套管及芯部发生烧坏断裂或芯部炭化现象，从而使得热电偶温度传输数据失真，测温装置失去了对该部位的温度的有效监测，倘若更换不及时将会影响锅炉的正常调整，严重时将会造成停炉事故。在锅炉运行期间因热偶芯烧断或其它原因更换不方便，只能等到停炉更换，这样就影响锅炉的正常监视调整，增加了锅炉的不安全运行几率，在停炉时频繁更换热电偶，由于锅炉内部空间大，温度测点非常多，仅在炉膛内高温区域装设的热电偶测温装置就达到10个以上，加之热电偶测温装置单支成本较高，更换成本较大使得生产成本支出增加，同时增加了劳动力支出。
发明内容
[0003] 本实用新型的目的在于克服上述现有技术的缺陷，提供一种耐冲刷能力强，不易磨损，降低烧损几率，提高使用寿命，降低生产成本，且结构简单，实用性强的锅炉热电偶测
温装置。
[0004] 本实用新型是通过如下技术方案实现的:
[0005] 一种锅炉热电偶测温装置，其特征是:包括安装在锅炉炉墙孔洞内的子弹头套管，所述子弹头套管是由采用修炉专用浇注料将一端封堵的热电偶芯保护套管及无缝钢管焊接而成，在该子弹头套管内安装有热电偶芯。
[0006] 所述无缝钢管外径与热电偶保护套管内径相同。
[0007] 所述热电偶芯保护套管采用高烙、耐磨、耐高温材质制作。
[0008] 本实用新型的锅炉热电偶测温装置耐冲刷、耐磨能力强，可有效提高热电偶使用寿命，降低生产成本，并能保证锅炉温度测点的准确性，提高锅炉的安全运行。
[0009] 本实用新型适用于工业蒸汽锅炉所有需要温度监测的区域，对温度较高部位极为适用，特别适合于工矿企业，中温中压自然循环流化床锅炉炉膛内料层、返料器等高温需要监测温度的技术领域。
附图说明
[0010] 图1为现有技术中热电偶测温装置的结构示意简图；
[0011] 图2为本实用新型锅炉热电偶测温装置的结构示意简图。具体实施方式
[0012] 如图1所示，现有技术中热电偶测温装置，是在锅炉炉墙I所设的孔洞中安装一热电偶套管3，然后将热电偶3装在该热电偶套管3中，此设计中热电偶3伸出套管后端部处于锅炉炉体内，容易造成磨损。
[0013] 本实用新型的锅炉热电偶测温装置是在锅炉炉墙I孔洞内安装一子弹头套管，该子弹头套管是由采用修炉专用浇注料8将一端封堵的热电偶芯保护套管7及无缝钢管4焊接而成，其中无缝钢管4的外径与热电偶保护套管7内径相同，热电偶芯4安装在子弹头套管内。热电偶芯保护套管采用高烙、耐磨、耐高温材质制作。
[0014] 锅炉在停运检修或备用期间，先将锅炉高温区域如炉膛燃烧室、返料器等温度测点处制做的热电偶保护套管7，放入原装设热电偶套管的孔洞内，再将热电偶保护套管7与无缝钢管4进行焊接，然后用修炉专用浇注料在炉膛内壁将该热电偶保护套管7进行堵塞，起到密封同时支撑套管重量的作用。最后将无缝钢管4焊接在炉膛外墙护板3 (如图2所示，锅炉炉墙I与炉膛外墙护板3之间为保温层2，6为焊接点)，最后将热电偶芯5放入套管内部，接线调试完工。
Claims (3)
1.一种锅炉热电偶测温装置，其特征是:包括安装在锅炉炉墙(I)孔洞内的子弹头套管，所述子弹头套管是由采用修炉专用浇注料(8)将一端封堵的热电偶芯保护套管(7)及无缝钢管(4)焊接而成，在该子弹头套管内安装有热电偶芯(5)。
2.按照权利要求1所述的锅炉热电偶测温装置，其特征是:所述无缝钢管(4)外径与热电偶保护套管(7)内径相同。
3.按照权利要求1所述的锅炉热电偶测温装置，其特征是:所述热电偶芯保护套管(7)采用高烙、耐磨、耐高温材质制作。
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