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Jiangxi Province Cooling Water Tower Maintenance Company Cooling Water Tower Reinforcement Manufacturer Cooling Water Tower Anti-Corrosion Unit

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锦峰高空
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JiangsuYancheng City
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Product Details
 江西省凉水塔维修公司凉水塔加固厂家凉水塔防腐单位

双曲线砼冷却塔维修堵漏防腐施工单位厂家及施工方案

江西省南昌热电厂自然通风双曲线砼冷却塔维修抚州九江堵漏防腐施工公司, 赣州宜春发电厂自然通风双曲线混泥土冷却塔维修景德镇萍乡堵漏防腐施工单位, 吉安上饶电力自然通风双曲线钢筋混凝土冷却塔维修新余鹰潭堵漏防腐施工厂家

发电厂自然通风冷却塔维修堵漏施工单位:

江苏锦峰高空工程有限公司

技术咨询:183 0510 2533

网 址:www.gksg.com

邮 箱: 18305102533@163.com

5500m2自然通风冷却塔

1 概述

    我公司1台300MW机组配l座淋水面积为5500m的冷却塔,塔高为115m。夏季频率10%气象条件下冷却塔的出水温度为30.68 ºC。 由于循环水的补给水为中水,水质较差,为便于清理,冷却塔采用槽式配水系统。

2 原理

高温水通过竖井到主水槽,分配到分水槽、配水槽,再由喷嘴喷洒,向下喷洒的高温水与向上流动低温空气相接触,产生接触传热,同时,还会因为水的蒸发产生蒸发传热,热水表面的水分子不断转化为水蒸气,在该过程中,从热水中吸收热量,使水得到冷却。填料的作用是增大水与空气的接触面积,增长接触时间,故要求填料的亲水性强,通风阻力小。除水器的作用是分离排出水滴,减少水量损失,消除飘滴对周围环境的影响。

3配水布置

配水系统由主水槽、分水槽、配水槽组成,根据全塔均匀布水、尽量增大冷却塔有效冷却面积的原则,冷却塔设中央竖井1座、8条主水槽,其中4条向内围配水,另4条主水槽担负冷却塔外围配水,主水槽成放射状布置。填料为PVC塑料,喷嘴采用反射Ⅲ型Φ30mmABS塑料喷溅装置,除水器采用波160-45型PVC除水器。

冷却塔的两根DNl800mm压力进水钢管分别向设于塔中央的复合竖井的内、外层供水,冷却塔配水系统为内、外围分区布置,内、外围面积各占冷却塔淋水面积的50%,内层

竖井向内围供水,外层竖井向外围供水。夏季一座塔负担l台机组的水量,冬季配水系统内围停止运行,水量均进入外围配水系统,以加大外围的淋水密度,防止冷却塔冬季结冰。冷却塔内外围配水由塔外循环水管道上的阀门控制。在冷却塔进水管上设有旁路管系统,当冬季启动机组、热负荷较小时,将循环水由旁路管直接排入水池,以防止淋水装置结冰。

4 设备技术规范见表:

300MW机组自然塔设备规范(表11-01)

水塔型式

自然通风逆流式冷却塔

淋水面积

5500m2

水塔高度

115m

进风口高度

7.83 m

设计循环水量

34000 m3(单塔)

集水池深度

2.3m

集水池储水量

15200m3

蒸发损失(夏季供热/冬季纯凝)

476/210 m3/h(单塔)

风吹损失(夏季供热/冬季纯凝)

34/21 m3/h(单塔)

淋水高度

9.75 m

喷嘴数量

3636个

塔池直径

98.374m

喉部直径

49.3m

塔顶直径

51.734

竖井高度

14.25m

内外竖井直径

3.5m/5m

主水槽顶标高

11.920m

设计进出水温度

夏季频率10%气象条件下,水塔出水温度为30.68℃

配水方式

槽式

填料型式

S波

填料材质

PVC填料

填料层高

1.0 m

除水器型式

BO-45/160

除水器材质

PVC除水器

喷嘴数量

3636个

喷嘴型式

反射Ⅲ型

喷嘴直径

Φ32mm

喷嘴材质

A.B.S工程塑料

 

5 质量标准

5.1 主、分配水槽应完好无断裂,槽内清洁无淤泥、微生物、杂物,槽上盖板应齐全、无缺损。

5.2 喷嘴在水槽内安装牢固,清洁、畅通、无老化、断裂、脱落或掉蝶现象,透水率100%。

5.3 填料应摆放整齐、完好无缺损,其上的结垢物、微生物、杂物要及时清除。

5.4 除水器应清洁、完整、无松散、折断或掉落,且在塔内布满,出现的缝隙不大于10mm。除水器吊钩应牢固,无腐蚀、断裂。

5.5 钢爬梯、步道及所有栏杆应无锈蚀、断裂。

5.6 贮水池内清洁、无污泥、杂物。

5.7 各上水门、旁路门等应开关灵活、瓦口严密、指示清晰、准确。修后表面刷漆防腐,各结合面、盘根处无渗漏现象,门坑清洁。

5.8 各上水管、旁路管应畅通、无锈蚀、泄漏,支架牢固、滚针齐全,伸缩节焊口牢固无开裂。

5.9 塔筒内壁防腐层完好,表面无厚积的青苔,塔顶栏杆完好无锈蚀断裂,避雷设备接地良好有效,各支柱、塔筒无裂纹,表皮水泥无剥落。

5.10水塔出口一道网蓖无腐蚀、变形、开裂等缺陷;网眼通畅无堵塞;电动葫芦升降灵活,刹车可靠。

 发电厂自然通风冷却塔维修堵漏施工单位:

江苏锦峰高空工程有限公司

技术咨询:183 0510 2533

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