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深圳钻通实战样板|乌鲁木齐50m铸铁管置换PE管

  • 2026-07-19 16:03:24
深圳钻通实战样板|乌鲁木齐50m铸铁管置换PE管

西北城市老旧铸铁管网锈蚀渗漏、爆管频发,大面积开挖施工又会破坏道路、干扰居民出行、耗费大量土方工期。

本次乌鲁木齐 50m 铸铁管道整体置换项目,全套搭载深圳钻通定向钻机 + 裂管胀管成套装备,采用非开挖碎管置换工艺,仅开挖两处小型工作井,全程不破主干道,一次性完成旧铸铁管破碎、新 HDPE 管同步牵引铺设,打造西北市政供水 / 排水管网更新标准化样板工程。

一、项目基础概况

1. 项目区位

新疆乌鲁木齐城区市政老旧管网改造段,沿线为城市主干道,车流密集、地下管线交织(供水、通信、电力管线交错),周边居民小区密集,严禁全线大面积开挖。

2. 核心施工参数

改造总长:50 米老旧铸铁主管

原管材:灰口铸铁管,管龄超 20 年,管壁锈蚀、多处渗漏、内壁结垢严重,输水效率大幅下降,存在持续爆管安全隐患

置换新管:全新 HDPE100 级 PE 置换短管,承插密封结构,耐腐蚀、内壁光滑无结垢

核心设备:深圳钻通 ZT 系列定向钻机 + 专用液压裂管胀管头、牵引成套系统

施工工艺:非开挖裂管置换(胀管碎管同步拉管一体化工法)

3. 施工核心难点

· 乌鲁木齐昼夜温差大、地下粉质砂土夹杂卵石,地质软硬不均,传统开挖易塌方;

· 主干道交通流量大,全线开挖将造成长时间封路、居民断水;

· 地下管线排布复杂,人工开挖极易损伤既有线缆、管线;

· 老旧铸铁管脆性大,破碎力度需精准控制,避免周边土层大面积扰动。

二、深圳钻通成套设备施工全流程

步骤 1:前期勘测与井位施工

使用管道 CCTV 内窥检测铸铁管破损点位,精准定位管线走向;仅在管线首尾开挖小型工作井、接收井(单坑尺寸远小于全线开挖),做好井壁支护,规避土方大面积开挖。

步骤 2:深圳钻通钻机就位调试

钻通设备进场平整摆放,校准钻机水平、钻进角度,连接液压牵引系统、裂管胀帽;依托钻通设备大扭矩、稳定回拉力优势,适配西北卵石复杂地层,拉力可控防卡管。

步骤 3:钻杆贯通、前置清管

钻杆从工作井穿入原有铸铁管直达接收井,前置清管头清理管内淤泥、锈蚀残渣,保证后续裂管、拉管顺畅。

步骤 4:裂管破碎 + PE 管同步置换

· 更换深圳钻通专用复合胀管碎管头,钻机回拉牵引:

· 胀管头将老旧铸铁管纵向破碎,碎块均匀挤压至管道两侧土层,无需外运大量建筑垃圾;

· 胀管头后端同步拖拽分段 PE 置换管,逐段承插拼接、橡胶圈密封;

· 50 米管线一次性连续牵引成型,中途无需二次停工接驳,全程同步完成碎旧管、铺新管两道工序。

步骤 5:管道连通、试压与路面恢复

管线贯通后做水压密封性测试,无渗漏合格后,回填检查井、快速恢复人行道 / 车道路面,当天恢复正常交通与供水。

三、项目核心优势

1. 施工扰动大幅降低

仅 2 处小型作业坑,路面开挖面积减少 70%,无需全幅封路,交通、居民生活干扰降到最低;无大量土方外运,扬尘、噪音污染显著减少。

2. 工期效率翻倍

50 米管道完整置换整体施工周期仅 3 天,传统开槽开挖至少 7-10 天,工期缩短超 40%。

3. 管材性能长效升级

PE 管耐腐蚀,彻底解决铸铁管锈蚀渗漏难题,使用寿命提升至 50 年以上;

内壁光滑,输水过流能力提升 15%-20%,杜绝水质二次污染;

同口径完整置换,不像内衬修复会缩小管道通径,供水排水流量不受损耗。

4. 深圳钻通设备适配西北地质

钻机动力稳定、回拉扭矩可控,面对乌鲁木齐砂土、卵石地层不易卡钻、崩管;设备整机紧凑,城市狭小井场、道路均可灵活进场作业,适配西北多城市老旧管网改造。

5. 综合成本更优

土方、路面修复、交通疏导费用大幅削减,整体综合造价较明挖降低 30% 左右,长期运维成本几乎归零。

四、项目落地成效与示范价值

· 民生保障:改造完成后彻底消除路段铸铁管爆管、渗漏隐患,小区稳定供水,居民零投诉;

· 城市运维:主干道快速恢复通行,无长期交通拥堵,道路完整度不受破坏;

· 技术样板:验证深圳钻通非开挖裂管置换工艺在西北温差大、砂卵石复杂地质的落地可行性,为乌鲁木齐及新疆各地州市老旧铸铁管网更新提供标准化可复制方案;

· 行业参考:兼顾市政效率、民生影响、长期管网安全,是北方城市老旧给排水管网改造标杆案例。

五、文末行业结语

全国大量城市建成超 20 年铸铁供排水管网进入集中更换周期,大面积明挖施工已无法适配现代化城市精细化治理需求。

深圳钻通深耕非开挖定向钻进、裂管置换装备研发多年,成套设备覆盖南北各类复杂地层(软土、卵石、风化岩、高寒地区),可针对不同管径、不同长度老旧管道提供一站式置换解决方案。

本次乌鲁木齐 50 米铸铁管置换项目,充分展现国产非开挖设备在西北市政工程中的稳定性能,用低扰动、高效率、长效耐用的施工方案,助力各地城市管网安全焕新升级。

企业介绍

钻通(Drillto)品牌创立于 2000 年,是国家级专精特新小巨人企业,由国内较早从事非开挖研究的一批专家组成,专注研发和生产水平定向钻机及配套钻杆钻具,为客户提供一站式服务。目前出口 41 个国家,累计申请专利 258项(授权发明专利 38 项)。26 年来钻通在深圳、无锡、上海、惠州设立工厂,公司自 2010 年起陆续被评为国家高新技术企业,江苏省和广东省工程技术研究中心,荣获“国土资源科学技术一等奖”,通过 CE 认证、SGS 认证和 ISO 多体系认证,通过安全标准化、五星上云、知识产权体系贯标,和江苏省绿色工厂等多项重要认定。

钻通 26 年来专注于水平定向钻机及配套钻杆钻具领域。集团的总非开挖产品款式高达 248 款,擅长根据客户工程需求定制化开发。目前产品涵盖:ZT 水平定向钻机系列,从 6 吨到 1200 吨,AT 岩石钻机系列从 20 吨到 150 吨,ZTSPZ水平螺旋钻机系列从 110 吨到 300 吨,ZTTG 推管机系列从 300 吨到 750 吨,ZTJN坑道钻机系列从 6 吨到 80 吨,同时配套生产整体锻造钻杆、钻具和提供泥浆设备。

产品介绍【ZTJN系列坑道钻机】
产品介绍【SPZ系列水半螺旋钻机】
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  1. CONNECT:[ UseTime:0.000593s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000920s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000392s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000395s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000624s ]
  6. SELECT * FROM `set` [ RunTime:0.000262s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000802s ]
  8. SELECT * FROM `article` WHERE `id` = 632365 LIMIT 1 [ RunTime:0.000529s ]
  9. UPDATE `article` SET `lasttime` = 1784738520 WHERE `id` = 632365 [ RunTime:0.007593s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000409s ]
  11. SELECT * FROM `article` WHERE `id` < 632365 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000725s ]
  12. SELECT * FROM `article` WHERE `id` > 632365 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000675s ]
  13. SELECT * FROM `article` WHERE `id` < 632365 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001345s ]
  14. SELECT * FROM `article` WHERE `id` < 632365 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001495s ]
  15. SELECT * FROM `article` WHERE `id` < 632365 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.014004s ]
0.161643s