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高炉检修吊盘Blast Furnace Maintenance Working Platform

安全可靠 · 快速装卸 · 承重量大 · 变径快捷。安装和拆卸总耗时 24 小时内、承重 10-30 吨,机动伸缩变径,平台上可集成专用或自动设备。 Safe, quick to handle, high in load capacity and rapid to adjust. Assembly and dismantling take under 24 hours in total, capacity is 10–30 t, the diameter adjusts under power, and dedicated or automated equipment can be mounted on the deck.

检修难题The Challenge

搭了用、用了拆,成本都在工期里Erect it, use it, tear it down — the cost hides in the schedule

高炉是价值达数亿至数十亿元的重资产装备,停运损失巨大;炉体封闭性强且炉腔空间大,检修条件差、配件器具重、检修时间紧、危险性高。 A blast furnace is a capital-intensive asset worth hundreds of millions to billions of RMB, so any outage is enormously costly. Its shell is sealed and its interior large: access is poor, parts and tooling are heavy, the turnaround is tight and the work is hazardous.

传统的现场搭了用、用了拆的简易检修平台,无法同时满足安全、优质、快捷和低成本这四项要求。 Conventional makeshift platforms — erected on site, used, then dismantled — cannot deliver maintenance that is safe, sound, fast and low-cost all at once.

传统简易平台的五个问题Five problems with makeshift platforms
  • 炉内悬空搭建,施工危险性大 Erecting in mid-air inside the furnace is highly hazardous
  • 现场搭建难以保证施工品质 Field erection can hardly guarantee workmanship
  • 承载能力有限,施工难以全面展开,检修效率低、耗时长 Limited load capacity keeps work from spreading across the full area, so maintenance is slow
  • 调整不灵活,变径操作困难、措施费高,占用更长的施工周期 Inflexible to adjust: diameter changes are hard, temporary works costly and the outage longer
  • 拆卸组装耗时长,占工期,搭建成本高 Slow to erect and dismantle, sitting on the critical path and driving up cost
高炉检修作业现场
高炉检修作业现场:空间大、器具重、时间紧Blast furnace maintenance in progress: large space, heavy tooling, tight schedule
结构组成Structure

中心伸缩盘 + 变径盘 + 盖板Telescopic centre deck, diameter-adapting ring and deck plates

我公司独创的专用检修吊盘,具有安全可靠、快速装卸、承重量大、变径快捷等功能,方便人员和设备在炉内安全作业。 Our proprietary maintenance platform is safe and reliable, quick to handle, high in capacity and rapid to adjust, letting crews and equipment work safely inside the furnace.

吊盘结构三维图
吊盘结构:中心伸缩盘、变径盘与盖板Platform structure: telescopic centre deck, diameter ring and deck plates
1

中心伸缩盘Telescopic centre deck

中心盘采用铰链结构,收拢时呈球状;展开时采用电动 / 液压推杆伸缩扩大吊盘骨架,以适应炉膛直径及其变化。 The centre deck is of hinged construction, forming a sphere when retracted. On deployment, electric or hydraulic rams extend the frame to suit the hearth diameter and its variation.

2

变径盘组件可拆卸拼接Detachable diameter-adapting components

多个组件依次可拆卸拼接,无需焊接,组装快、成本低、可重复利用。 Several components splice together in sequence without welding — quick to assemble, low in cost and reusable.

发明专利Patent
ZL 202110883281.X 用于炉体施工的变径盘及变径盘的组装方法Variable-diameter plate for furnace construction and its assembly method
发明专利Patent
ZL 202110883379.5 用于炉体施工的变径盘及变径盘的组装方法Variable-diameter plate for furnace construction and its assembly method
展开与安装Deployment

四步展开,全程无焊接无切割Four steps to deploy, with no welding or cutting

图1:收缩状态的中心盘
图 1 · 中心盘收缩铰链结构,收拢时呈球状 Fig. 1 · Centre deck retractedHinged construction, spherical when folded
图2:中心盘展开
图 2 · 中心盘展开电动 / 液压推杆伸缩扩大骨架 Fig. 2 · Centre deck deployedElectric or hydraulic rams extend the frame
图3:变径盘安装
图 3 · 变径盘安装经法兰螺栓与中心盘骨架相联 Fig. 3 · Diameter ring installedBolted to the centre deck frame through flanges
图4:吊盘展开
图 4 · 吊盘展开适应炉膛直径及其变化 Fig. 4 · Platform deployedSuits the hearth diameter and its variation

承重 10-30 吨,作业面可以全面展开10–30 t capacity lets the work spread across the full area

承载能力决定了能同时开几个作业面。传统平台承载有限,施工只能局部推进;吊盘承重 10-30 吨,人员与设备可直接入炉作业,配件器具也能放在平台上。 Capacity decides how many work faces can run at once. A makeshift platform's limited capacity confines work to sections; at 10–30 t, crews and equipment can enter the furnace directly and parts and tooling can sit on the deck.

吊盘平台上还可按需集成专用或自动设备,更好辅助工人作业,进一步压缩高炉大修时间。 Dedicated or automated equipment can also be mounted on the deck to support the crew and compress overhaul time further.

  • 装拆总时长Assembly + dismantling24 小时内within 24 h
  • 承重能力Load capacity10-30 t
  • 变径方式Diameter adjustment机动伸缩,轻快Powered, quick and light
  • 现场连接Site connection螺栓联接,无焊接无切割Bolted, no welding or cutting
  • 可集成设备Equipment mounting专用或自动设备Dedicated or automated
安全保障措施Safety Provisions

四道保障,从设计到使用Four provisions, from design through to use

1

设计可靠Sound design

安全系数按货运电梯标准选取,模块化结构简洁可靠。 Safety factors are taken to goods-lift standard, with simple and reliable modular construction.

2

制作精良Quality manufacture

在机械加工车间内进行,严格控制焊接、加工、组装质量。 Built in the machine shop under strict welding, machining and assembly control.

3

装卸快捷Rapid handling

采用螺栓联接,现场装拆无焊接无切割,劳动强度低。 Bolted connections mean no welding or cutting on site and low physical effort.

4

使用方便Ease of use

适应炉内不同直径冷却壁等的装拆作业,机动伸缩变径轻快。 Suits removal and fitting of stave coolers of differing diameters, with quick, light powered adjustment.

首次应用 · 包钢 6# 高炉First Application · Baotou Steel No. 6

工期从 80 天减到 70 天The schedule fell from 80 days to 70

本吊盘于 2021 年 1 月首次应用于包钢 6# 高炉(2500m³)中修,取得工期、安全、成本三方面的效果。 The platform was first applied in January 2021 on the mid-campaign reline of Baotou Steel's No. 6 blast furnace (2,500 m³), delivering results on schedule, safety and cost.

工期SCHEDULE

提前 10 天完成Ten days early

工期从 80 天减少到 70 天,提前 10 天完成检修任务。施工队按每提前一天 10 万元的标准获得奖励 100 万元。 The schedule fell from 80 days to 70, finishing ten days early. At the agreed rate of RMB 100,000 per day saved, the contractor earned a bonus of RMB 1 million.

奖励 100 万元RMB 1 million bonus
安全SAFETY

全程零事故No incident throughout

检修全过程没有任何人员、设备设施安全问题发生,业主及施工单位专门书面感谢。 No incident involving personnel, plant or equipment occurred at any point, and both the owner and the contractor sent written appreciation.

收到书面感谢Written appreciation received
成本COST

与传统方案折旧相当On par with the conventional cost

6# 高炉传统检修装置的材料、制作、安装和拆除费用约 60 万元,与吊盘本次使用的折旧费相当。也可以租赁方式使用,节约变径措施费。 Material, fabrication, erection and removal of the conventional arrangement on No. 6 cost about RMB 600,000 — comparable to the depreciation charged for this use of the platform. Leasing is also possible, saving the cost of diameter-change works.

传统方案约 60 万元Conventional: about RMB 600k
包钢感谢信
包钢感谢信业主及施工单位书面致谢 Letter of appreciation, Baotou SteelFrom both the owner and the contractor
工作中的吊盘
工作中的吊盘承重 10-30 吨,作业面全面展开 Platform in operation10–30 t capacity, work across the full area
10 天10 days

高炉停运一天的损失远高于检修装置本身的费用。吊盘的价值不在设备单价,而在把工期、安全和措施费一起压下来。 A day of lost production costs far more than the maintenance equipment itself. The platform's value lies not in its unit price but in bringing schedule, safety and temporary-works cost down together.

下次大修想省几天工期?How many days do you want to save next overhaul?

给出高炉容积、炉膛直径及变化范围、检修内容与计划工期,我们会给出吊盘配置方案,购置与租赁两种方式都可以谈。 Send us the furnace volume, hearth diameter and its range, the scope of work and the planned schedule. We will propose a platform configuration, available for purchase or lease.

索取吊盘配置方案Request a platform proposal
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