技术要求 Technical requirements 1.本设备蒸汽聚集器按GB150-98《钢制压力容器》进行设计、制造、验收。 1. This equipment of steam accumulator is designed, manufactured and accepted according to GB150-98 Steel Pressure Vessels. 2.软水蒸发段的上升/下降循环管道与蒸汽聚集器在安装现场连接,焊接方法:手工电弧焊,焊条牌号J422。 2. The connection between the rising/descending circulating piping of soft water evaporation section and the steam accumulator should be done on site; the welding method is manual electric arc welding and the welding rod trademark is J422. 3.蒸汽过热器与水管蒸发器的烟气进出接口在安装现场实施内保温,软水预热器及其烟气进出接口蒸汽聚集器,循环管道在安装现场实施外保温。 3. The flue gas entrance and exit interface of the steam superheater and the tube evaporator should carry out inner thermal insulation on site; the soft-water preheater and its flue gas entrance and exit interface, the steam accumulator and the circulation piping should carry out outer thermal insulation on the installation site. 4.本设备过热段,蒸发段,软水段分段制造,安装现场连接。 4. The superheat section, evaporation section and soft water section of this equipment should be manufactured by section and connected on the installation site. 5.软水经预热器加热后进行蒸汽聚集器补水。 5. After the soft water is heated by the preheater, the steam accumulator compensates water. 6.设备的油漆、包装、运输按JB/T4709-2003《压力容器涂敷与运输包装》的有关规定执行。 6. The painting, package and transportation of the equipment should be done in accordance with pertinent regulation of JB/T4709-2003 Coatings and Transportation Packages for Pressure Vessels. 7.该设备运行时严禁缺水(缺汽)。设备在0℃以下停车时,要将水放净,以防冻坏热管。 7. During the device operation, forbid the shortage of water (vapor). When the equipment stops at the temperature below 0℃, it is required to discharge the water completely to avoid freezing the heat pipe. 8.烟气连接件与水管蒸发器法兰连接。 8. The flue gas connection piece and the tube evaporator are connected with the flange. 技术特性表 Table for Technical Characteristics 序号 Number 名称 Name 单位 Unit 指标 Index 烟气侧 Flue gas side 过热蒸汽侧 Superheat steam side 蒸发侧 Evaporation side 软水侧 Soft water side 工作压力 Working pressure 入口温度 Entrance temperature 出口温度 Exit temperature 流量 Flow amount 介质 Medium 热负荷 Heat load 阻力降 Resistance drop 烟气 Flue gas 过热蒸汽 Superheat steam 蒸汽 Steam 软水 Soft water 管口表 List of nozzles 连接尺寸 Connection size 连接形式 Connection form 焊接 Welding 用途 Purpose 法兰 Flange 烟气进口 Flue gas entrance 烟气出口 Flue gas exit 过热蒸汽入口 Superheat steam entrance 过热蒸汽出口 Superheat steam exit 软水入口 Soft water entrance 软水出口 Soft water exit 排污口 Sewage outlet 测温口 Mouth for measuring temperature 总装图 General assembly drawing 组合件 Subassembly 烟气连接件 Flue gas connection piece
华译网上海翻译公司曾经翻译过大量有关钢制压力容器资料文件,Beijing Chinese Subtitling Translation Service Agency has translated many technical documents about Steel Pressure Vessels. 1、焊接采用电弧焊,碳钢之间焊条型号J422,碳钢与不锈钢之间为A302,不锈钢之间焊条为A132,管与弯头连接采用氩弧焊。 1. The welding adopts electric arc welding, the welding rob model between carbon steels is J422, that between the carbon steel and the stainless steel is A302, that between stainless steels is A132. The connection of the pipe and the elbow adopts argon arc welding. 2、焊接接头形式及尺寸除图中注明外按HG20583中规定进行,角焊缝的焊接尺寸按较薄板的厚度,法兰的焊接按相应的法兰标准规定进行。 2. The form and size of the welding joints shall be done according to the regulation in the HG20583, except the indication in the drawings. The welding size of filet weld is the thickness of the thinner sheet; the flange welding shall be done according to the corresponding flange standard. 3、所有水管及集箱管焊接采用氩弧焊,进行100%探伤。 3. The welding of all tubes and headers adopts argon arc welding and conducts 100% fault detection. 4、设备制造完毕后以3.75MPa表压进行水压试验。 4. After the equipment is manufactured, conduct the hydraulic pressure test at the 3.75MPa gauge pressure. 5、预热器钢结构及壳体内外表面要求进行喷砂、除锈,底漆:两遍环氧聚酰胺树脂漆,每遍100微米。面漆:环氧聚氨酯釉面漆,喷涂一遍漆膜厚度50微米。面漆颜色为菘蓝绿色(代码:RAL 6019)。 5. The preheater steel structure and the inner and outer surfaces of the shell are required to conduct sand blasting and rust removal. The priming paint applies two times of epoxy- polyamide resin paint and 100 micrometers for each time. Top-coat paint adopts epoxy polyurethane, spray one layer of paint film 50 micrometers thick. The color of top-coat paint is the woaded blue green (code: RAL 6019). 6、轻质浇注料用不锈钢拉锚固定。 6. Light-weight castable is fastened with stainless steel cat anchor. 换热面积 Heat exchange area 骨架 Framework 预埋件 Embedded part 管板合 Tube plate 换热管 Heat exchange pipe 蒸汽出口集箱管 Steam exit header 弯头 Elbow 蒸汽进口集箱管 Steam entrance header 密封合 Seal 见本图 See this drawing 保温 Insulation 岩棉 Rockwool 吊耳组件 Lifting lug assembly 烟气出口法兰 Flue gas exit flange 轻质耐火浇注料 Light weight refractory castable 下封板 Lower seal plate 保温厚度为150mm The insulation thickness is 150mm. 锚固钉祥图 Detailed diagram of anchor bolt 锚固钉布置图 Arrangement diagram of anchor bolt 数量 Amount 材料 Material 单件 Single piece 总计 Total 重量 Weight 备注 Remarks 标准化 Standardization 阶段标记 Phase mark 比例 Scale 设计 Designed by 制图 Drawn by 审核 Audited by 工艺 Technique by 校对 Checked by 批准 Approved by 设计压力 Design pressure |