技术规范标准-燃煤电站项目刮板给煤机技术规范(doc 104页)

赞 比 亚 马 安 巴 2150MW 燃 煤 电 站 项 目埋 刮 板 给 煤 机 设 备 供 货 合 同附 件 一 技 术 协 议 书买 方 ： 山 东 电 力 基 本 建 设 总 公 司卖 方 ： 青 岛 达 能 环 保 设 备 有 限 公 司设 计 院 ： 山 东 电 力 工 程 咨 询 院 有 限 公 司2012 年 6 月赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 1 页 共 103 页 合同编号：MTP/SBCG-5004-032目 录附件 1 技术协议 2附件 2 供货范围 34附件 3 技术资料和交付进度 39附件 4 交货进度 44附件 5 监造、检验和性 能 验收试验 45附件 6 技术服务联络 .51附件 7 分包与外购 .61附件 8 大件部件情况 附件 63附录 A 电动机、电缆、控制箱技术规范 .63赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 2 页 共 103 页 合同编号：MTP/SBCG-5004-032附件 1 技术协议1. 总 则1.1 本技术协议书适用于赞比亚马安巴 2150MW 燃煤电站项目的 24 台刮板给煤机。它包括给煤机本体及其驱动装置、调节装置、辅助设备的功能设计、结构、性能、安装和试验等方面的技术要求。1.2 本技术协议书提出的是最低限度的技术要求，并未对一切技术细节做出规定，也未充分引述有关标准和规范的条文。卖方应保证提供符合本技术协议书和现行工业标准的优质产品。1.3 如果卖方没有以书面方式对本技术协议书的条文提出异议，那么买方将认为卖方提出的产品完全符合本技术协议书的要求。1.4 在签订合同之后，到卖方开始制造之日的这段时间内，买方有权提出因规范、标准和规程发生变化而发生的一些补充修改要求，卖方应遵守这个要求，具体款项内容由买方和卖方双方共同商定。1.5 本技术协议为订货合同的附件，与合同正文具有同等效力。1.6 本工程采用 KKS 编码，具体要求在设计联络会上确定。卖方根据设计院提供的KKS 编制原则完成供货设备及附件的 KKS 编号并在铭牌上表示。1.7 本技术协议书所引用的标准如遇与卖方所执行的标准发生矛盾时，按较高标准执行。2. 设备运行环境条件2.1. 概述300MW(2150MW)Coal Fired Power Plant at Maamba, Zambia 安装两台 510t/h超高压参数自然循环流化床汽包炉、单炉膛、一次中间再热、尾部双烟道、悬吊结构、固态排渣、全钢构架，配两台 150MW 凝汽式汽轮发电机组。锅炉采用露天布置。2.2. 气象特征和环境条件厂址：Maamba Collieries Maamba, Sinazongwe Zambia电厂海拔： 600m累年平均气温 20-25最高干球气温 42最低干球气温 10赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 3 页 共 103 页 合同编号：MTP/SBCG-5004-032最大相对湿度 84%最低相对湿度 60%累年平均降水量 935mm基础风速 50m/s地震烈度： VII 度2.3. 燃煤特性EPC 合同提供的燃料如下，该项目设计采用赞比亚当地煤。煤质分析如下：Coal AnalysisDescription Range of Coal Analysis Performance WorstProximate Analysis (ADB)Ash % 45.3 to 53.27 48.3 53.27Volatile Matter (ADB) % 19.6 to 18.05 18.8 18.08Fixed Carbon (ADB) % 33.7 to 27.47 31.55 27.44Inherent Moisture (ADB) % 1.4 to 1.21 1.35 1.21Total Moisture % 1.9 to 2.1 1.9 2.1Normal Heating Value Kcal/kg 4059 to 2990 3500 3110Ultimate Analysis(as received basis)Carbon (C) % 42.8 to 37.06 39.73 36.06Hydrogen (H2 ) %n 2.81 to 2.33 2.55 2.33Nitrogen (N2) % 0.93 to 0.72 0.85 0.72Oxygen (O2) % 6.45 to 6.08 6.20 3.84Sulphur (S) % 1.0 to 2.0 1.7* 1.7*Moisture (H2O) % 1.43 to 1.24 1.90 2.1Ash % 45.3 to 53.25 48.0 53.25Gross calorific value (as received basis) Kcal/kg 4039 to 3191 3580 3191Hard grove index HGI 59 59 59Ash Analysis Silica (SiO2) % 61.7 to 61.13 61.08 61.13Alumina (A12O3 ) % 31.0. to 30.89 30.52 30.89Iron Oxide (Fe2O3) % 4.8 to 3.63 4.10 3.63 Titanio (TiO2) % 3.00 to 3.44 3.1 3.44Phosphoric Anhydride (P2O5)% 0.50 to 0.37 0.43 0.37赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 4 页 共 103 页 合同编号：MTP/SBCG-5004-032* The Sulfer content shall be considered as 3% for the design purpose ii) Connecting the thermocouple extension cable at the JB end to temperature transmitter, which shall be convert the thermocouple signal to a standard current signal for transmission to the control and monitoring system. Local Control Panels a. Local control panels and power distribution boards shall be furnished as specified herein. The panel general arrangement and fabrication drawings shall be finalized and approved by the Owner during detailed engineering stage. All panels shall be furnished as per final Owner approved drawings releasing the panels for construction and meeting the requirements of this specification.b. The panels and equipment furnished shall fully conform to all applicable codes, Zambian and International Standards.c. All work related to manufacture and assembly of panels including panel fabrication painting, wiring, tubing, installation of all specified 赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 24 页 共 103 页 合同编号：MTP/SBCG-5004-032panel mounted accessories shall be completed and the panels shall be fully tested prior to shipment to the project site. The manufacture and testing of panels as stated above shall be done in the manufacturing works of a qualified manufacturer acceptable to the Owner.d. All panels shall fully conform to design and construction requirements stipulated in this section.e. All necessary accessory items and electrical materials shall be installed in the control panels as required for completeness of the panels by the Contractor. These will include but not be limited to the following:i) Terminal blocks with identification tags.ii) Wire, shielded single conductor and multi conductor cable.iii) Terminal lugs and wire markers at both ends of all wires.iv) Wire supports, wiring trays and conduits.v) Incoming isolating switch fuse and distribution fuse boards. vi) Nameplates and mimic buses for instruments and devices mounted on the front of the control boardsvii) Piping, tubing, fittings and accessoriesviii) Supports for mounting of equipment in panels/ enclosures.ix) Panel hardware including vibration isolating devicesx) Grounding busAll spare contacts of control switches, push buttons, indication lamps shall be wired upto respective panel terminal blocks. Termination Cabinets/Marshalling CabinetsTermination cabinets shall be supplied for terminating all cables originating from the field and for distributing the signals to different functional panels and cubicles. The cabinet shall have internal illumination lighting fixtures. The plug socket shall be mounted on hinged plates to provide an access to the 赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 25 页 共 103 页 合同编号：MTP/SBCG-5004-032rear pins of the plugs.Incoming cables from the field shall be terminated in suitable terminal blocks in logical sequence. Prefabricated cables with plug in connectors at both ends shall be used for extending the signals to the functional panels. Matching plug sockets shall be provided in the termination cabinets for terminating the plugs.Terminal blocks shall be located inside the cabinets on support wings fabricated of metal plates. General features of termination cabinets and accessories shall conform to the general design and construction specification of panels. Construction of Panels, Cubicles & EnclosuresAll panels, cubicles, consoles and enclosures furnished as per this specification shall be of free standing type and shall be constructed of specified gauge of steel plates. The panel sheet thickness shall be not less than 3 mm unless otherwise specified herein.The panels, consoles/desks shall be reinforced as required to ensure true surfaces and adequate support for instruments mounted thereon. All instrument cutouts, mounting studs, and support brackets shall be accurately located. All welds on the exposed panel surfaces shall be ground smooth. Finished panel surfaces shall be free from waves, bellies, or other imperfections. Unless specified, otherwise, panel doors shall be hinged and shall have turned back edges and additional bracing where required to ensure rigidity. Door hinges shall be of the concealed type. Door latches shall be of the three point type to ensure tight closing. Door locks shall be furnished which will allow actuation of all locks by a single master key. All panels shall have removable lifting eye bolts for safe lifting from top during storage and installation handling.All panels shall be mounted on vibration pads which are secured to channels (50x50 mm C channel) mounted on the floor. The channels shall be field welded to steel plates set into the concrete flooring. The steel plates shall be 赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 26 页 共 103 页 合同编号：MTP/SBCG-5004-032located such as to approximate the outline of panel bases. The exact mounting details shall be as approved by the owner during detailed Engineering stage. All panels shall be provided with adequate ventilation and packaging density of components shall be restricted so as to limit the temperature rise above ambient to 10C under the worst conditions. All panels shall have auto on/off switch for internal lighting. Surface Preparation and PaintingAll panel exterior steel surfaces shall be sand blasted, ground smooth, and painted as specified below.Suitable filler shall be applied to all pits, blemishes and voids in the surfaces. The filler shall be sand blasted so that surfaces are level and flat, corners are smooth and even. Exposed raw metal edges shall be ground burr free. The entire panel surface shall be sand blasted to remove rust and scale and all other residue due to the fabrication operation. Oil grease and salts etc. shall be removed from the panels by one or more solvent cleaning methods.Two spray coats of inhibitive epoxy primer - surface shall be applied to all exterior and interior surfaces, each coat of primer surface shall be of dry film thickness of 1.5 mil. A minimum of two spray coats of final finish colour (Catalyzed epoxy finish) shall be applied to all surfaces of dry film thickness 2.0 mil. The finish colours for exterior and interior surfaces shall conform to the following shades:a) Exterior- RAL-7035 Semi-glossyb) Interior - Brilliant white two coats with fire resistant paint glossyFinal colour shall be subject to Owners approval and will be decided during detailed engineering stage.Paint films which show sags, checks, blisters, teardrops, fat edges or other painting imperfections shall not be acceptable and if any such defects appear, they shall be repaired by and at the expenses of the Contractor. Panel Wiringa) Interconnecting wiring shall be provided between all electrical devices 赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 27 页 共 103 页 合同编号：MTP/SBCG-5004-032mounted in the panels, and between the devices and terminal blocks if the devices are to be connected to equipment outside the panels. The Contractor shall install jumpers between terminal blocks. All alarm contacts located within a panel shall be wired to terminal blocks. Thermocouple and other special circuits shall be field wires direct to instrument terminal blocks without the use of panel wiring.b) All control and instrument wiring used within the panels shall conform to NEC and NEMA standards and shall be factory installed and tested at the works of a qualified manufacturer. All interior wiring shall be installed neatly and carefully, and shall be terminated at suitable terminal blocks. Sufficient clearance shall be provided for all control and instrumentation leads, and all incoming and outgoing leads shall be connected to terminal blocks suitably located for connecting external circuits. The arrangements for circuits and terminal blocks shall agree with schematic diagrams furnished by the Owner/Technical Specialist. All panel wiring shall have appropriate ferruling for clear identification. Interior wiring shall be so arranged that the external connections can be made with only one wire per terminal point. Any common connections shall be made internal side of the terminal blocks. Common connections shall be limited to two wires per terminal . Instrumentation cable shield wires shall be connected to separate terminal at the terminal block. c) Signal circuit shields shall be grounded at the power supply end only or as recommended by manufacturer.d) All internal wiring (except low level instrument wiring) shall be National Electric Code Type SIS, Polymeric/Elastomeric insulated, tinned copper stranded conductor, switchboard wire, or Owner approved equal.e) Panel wiring shall have a flame resistant insulation with adequately 赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 28 页 共 103 页 合同编号：MTP/SBCG-5004-032sized copper conductor based on current carrying capacities as set forth by the National Electric Code.f) Wire sizes shall be as specified herein and suitable for intended applications. Wiring to door mounted devices shall be provided with (49 strand minimum) adequate loop lengths of hinge wire so that multiple door openings will not cause fatigue braking of the conductor.g) Wiring shall be arranged to enable instruments or devices to be removed and/or serviced without unduly disturbing the wiring. No wire shall be routed cross the face or rear of any device in a manner which will impede the opening of covers or obstruct access to leads, terminals or devices.h) Panel wires shall be identified with wire number and each termination by means of Action craft products split sleeve or Borden Chemical Co. indelible tubing markers or Owner approved equal. Corrections and modifications of all panel wiring shall be Contractors sole responsibility. Any corrections/ modifications required at site for successful commissioning, shall be done by the Contractor without any additional costs. Terminal lugs furnished must be of the compression, insulated sleeve, half ring tongue type. Open-ended terminal lugs will not be accepted. Wires shall not be looped around the terminal screws or studs.i) Wires shall not be tapped or spliced between terminal points.j) Panels, Cabinets, Consoles/desks will be provided with removable, gasketed cable gland plates and cable glands, for all floor slots used for cable entrance. Split type grommets shall be used for prefab cables.k) Internal wiring in factory prewired electronic systems cabinets may be installed according to the Contractors standard as to wire size, 赞比亚马安巴 2150MW 燃煤电站项目埋刮板给煤机设备 供货合同附件一山东电力基本建设总公司 第 29 页 共