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HEMS深井降温系统

深井热害特点
 
           随着深部矿产资源的开发，采掘深度的不断增加，地温随之升高，加上其他热源的放热作用，不但使气温升高，也使得空气湿度增大，严重恶化了矿内的作业环境，形成了被人们称为采矿6大灾害之一的矿内热害。20世纪50～60年代，国内外一些深部矿井已显现出较为严重的热害问题，到了20世纪70年代矿井热害更加突出，从局部现象发展成为普遍现象的趋势。据初步统计，在国外，南非西部矿井在深度3300M处气温达到50℃；日本丰羽铅锡矿由于受热水影响，在深度500M处气温高达80℃.
 
         到2000年，中国有煤矿的平均采深达650M左右，生产水平的平均原始岩温为35.9℃～36.8℃，而采深超过1000M的矿井，其原岩温高达40℃～50℃，工作面温度达34℃～36℃，大部分矿井将进入一、二级热害区。这种高温环境使得井下作业人员体能下降、工作效率严重降低，易产生高温中暑、热晕并诱发其他疾病以及神经中枢系统失调，从而造成职工防护能力降低，严重影响生产安全。
 
深井高温热害控制HEMS工艺
 
◆    技术原理
        HEMS技术（High tenmperature Exchange Machinary System）  利用矿井各水平现有涌水，通过能量提取系统从中提取冷量，然后运用提取的冷量，然后运用提取出的冷量与工作面高温空气进行换热作用，降低工作面得环境温度及湿度，同时置换出的热量作为地面供热及洗浴的热源。
◆    技术特点

◆    HEMS系统结构


深井降温技术国内外对比
         HEMS降温技术（矿井水冷式）与国内外技术相比，无论是在获取能量能力、降温供风方式还是在降温效果，均达到了国际领先水平。同时，该项技术单个工作面投资低于现有降温技术投资，特别是运行成本远远低于现有降温技术。

 

 

技术类型

技术来源及应及时间

冷源

取冷模式

获取能量能力

耗电

主机工作环境

管道系统

供风方式

降温效果

降湿效果

单面平均投资/千万元

效果

 

集中空调式

前苏联1929德国1985

闭路循环水

对闭路循环水喷淋冷却

△     T=

2~3oC

高

高温区或地表

短/长

混风

2~3oC

<3%

2.5~3.0

热排放困难，制冷效果差

 

冰冷式

南非1986

冰水相变

用水制冰融冰相变

相变温差大

高

地表

长

喷雾

3~7oC

增湿

2.0~2.5

降湿较好增加湿度

矿井水冷式

中国2006

矿井涌水（开放循环）

天然水体温差，大流量循环

△     T=

8~13oC

220m3/h

低

低温区

中

纯风

4~6oC

5~15%

1.8

降温降湿效果好，利用天然水体，能耗小

关键词：

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HEMS深井降温系统

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HEMS深井降温系统

图文详情

深井热害特点
 
           随着深部矿产资源的开发，采掘深度的不断增加，地温随之升高，加上其他热源的放热作用，不但使气温升高，也使得空气湿度增大，严重恶化了矿内的作业环境，形成了被人们称为采矿6大灾害之一的矿内热害。20世纪50～60年代，国内外一些深部矿井已显现出较为严重的热害问题，到了20世纪70年代矿井热害更加突出，从局部现象发展成为普遍现象的趋势。据初步统计，在国外，南非西部矿井在深度3300M处气温达到50℃；日本丰羽铅锡矿由于受热水影响，在深度500M处气温高达80℃.
 
         到2000年，中国有煤矿的平均采深达650M左右，生产水平的平均原始岩温为35.9℃～36.8℃，而采深超过1000M的矿井，其原岩温高达40℃～50℃，工作面温度达34℃～36℃，大部分矿井将进入一、二级热害区。这种高温环境使得井下作业人员体能下降、工作效率严重降低，易产生高温中暑、热晕并诱发其他疾病以及神经中枢系统失调，从而造成职工防护能力降低，严重影响生产安全。
 
深井高温热害控制HEMS工艺
 
◆    技术原理
        HEMS技术（High tenmperature Exchange Machinary System）  利用矿井各水平现有涌水，通过能量提取系统从中提取冷量，然后运用提取的冷量，然后运用提取出的冷量与工作面高温空气进行换热作用，降低工作面得环境温度及湿度，同时置换出的热量作为地面供热及洗浴的热源。
◆    技术特点

◆    HEMS系统结构


深井降温技术国内外对比
         HEMS降温技术（矿井水冷式）与国内外技术相比，无论是在获取能量能力、降温供风方式还是在降温效果，均达到了国际领先水平。同时，该项技术单个工作面投资低于现有降温技术投资，特别是运行成本远远低于现有降温技术。

 

 

技术类型

技术来源及应及时间

冷源

取冷模式

获取能量能力

耗电

主机工作环境

管道系统

供风方式

降温效果

降湿效果

单面平均投资/千万元

效果

 

集中空调式

前苏联1929德国1985

闭路循环水

对闭路循环水喷淋冷却

△     T=

2~3oC

高

高温区或地表

短/长

混风

2~3oC

<3%

2.5~3.0

热排放困难，制冷效果差

 

冰冷式

南非1986

冰水相变

用水制冰融冰相变

相变温差大

高

地表

长

喷雾

3~7oC

增湿

2.0~2.5

降湿较好增加湿度

矿井水冷式

中国2006

矿井涌水（开放循环）

天然水体温差，大流量循环

△     T=

8~13oC

220m3/h

低

低温区

中

纯风

4~6oC

5~15%

1.8

降温降湿效果好，利用天然水体，能耗小

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网站制作：中企动力 长沙 SEO

网站制作：中企动力 长沙 SEO

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网站制作：中企动力 长沙 SEO

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网站制作：中企动力 长沙 SEO

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