摘要：【中文】本发明公开了气化炉合成气冷却器，包括压力外壳单元和管式受热面内件单元；压力外壳单元包括上封头、中间直段筒体和下锥段，上封头上设置有合成气引入口且上封头的底部设置有伸入中间直段筒体的合成气通道底锥，合成气引入口与合成气通道底锥连通形成高温合成气通道；管式受热面内件单元包括包墙膜式壁受热面与蛇形管屏受热面，包墙膜式壁受热面中包墙膜式壁的顶部通过膨胀节单元与合成气通道底锥相连，包墙膜式壁与压力外壳单元的侧壁之间留有环形空间并且包墙膜式壁的筒体内从上到下布置有多级蛇形管屏受热面。本发明中结构简单、制作方便、造价低且易于运行维护，可设于气化炉辐射段或合成气水浴流程后端进行合成气的进一步冷却。 【EN】The invention discloses a gasifier synthetic gas cooler, which comprises a pressure shell unit and a tubular heating surface internal part unit; the pressure shell unit comprises an upper end enclosure, a middle straight section cylinder and a lower conical section, wherein a synthesis gas introduction port is formed in the upper end enclosure, a synthesis gas channel bottom cone extending into the middle straight section cylinder is arranged at the bottom of the upper end enclosure, and the synthesis gas introduction port is communicated with the synthesis gas channel bottom cone to form a high-temperature synthesis gas channel; the tubular heating surface internal part unit comprises a wall-wrapped film type wall heating surface and a serpentine tube panel heating surface, the top of the wall-wrapped film type wall in the wall-wrapped film type wall heating surface is connected with a bottom cone of a synthesis gas channel through an expansion joint unit, an annular space is reserved between the wall-wrapped film type wall and the side wall of the pressure shell unit, and the multistage serpentine tube panel heating surface is arranged in a barrel body of the wall-wrapped film type wall from top to bottom. The invention has simple structure, convenient manufacture, low cost and easy operation and maintenance, and can be arranged at the radiation section of the gasification furnace or the rear end of the water bath process of the synthesis gas for further cooling the synthesis gas.

摘要：【中文】本发明公开了热量传递系统及其调整控制方法，系统包括：热烟道单元，包括热烟道和布置在热烟道中的工质吸热器；冷烟道单元，包括冷烟道和布置在冷烟道中的工质放热器；热媒水单元，包括热媒水箱以及串联连通工质吸热器、热媒水箱和工质放热器的热媒水管道，热媒水箱的布置高度高于工质吸热器的布置高度和工质放热器的布置高度；热媒水单元还包括与工质放热器并联设置的调节旁路，调节旁路上设置有调节阀和热量调节换热器。方法为根据系统的运行负荷情况以及工质吸热器的吸热量与工质放热器的放热量之间的关系进行调整控制，使得系统适用于100～350℃烟气的余热回收。本发明可适应非常宽的烟气温度、工质温度范围。 【EN】The invention discloses a heat transfer system and an adjustment control method thereof, wherein the system comprises: the hot flue unit comprises a hot flue and a working medium heat absorber arranged in the hot flue; the cold flue unit comprises a cold flue and a working medium radiator arranged in the cold flue; the heat medium water unit comprises a heat medium water tank and a heat medium water pipeline which is communicated with the working medium heat absorber, the heat medium water tank and the working medium heat radiator in series, and the arrangement height of the heat medium water tank is higher than that of the working medium heat absorber and that of the working medium heat radiator; the heat medium water unit also comprises an adjusting bypass which is connected with the working medium radiator in parallel, and the adjusting bypass is provided with an adjusting valve and a heat adjusting heat exchanger. The method is characterized in that adjustment and control are carried out according to the operation load condition of the system and the relation between the heat absorption capacity of the working medium heat absorber and the heat release capacity of the working medium heat radiator, so that the system is suitable for recovering the waste heat of the flue gas at the temperature of 100-350 ℃. The invention can adapt to very wide range of flue gas temperature and working medium temperature.

摘要：【中文】本发明公开了一种高强度低合金钢埋弧焊焊缝盖面焊道焊接方法，包括以下步骤：1.采用常规埋弧焊焊接工艺填充坡口，直到剩下最后两层焊道未填充为止；2.对最后一层焊道施焊时，控制最后一层焊道两侧边缘均超出原坡口两侧边缘合适距离；3.完成最后一层焊道的填充后，再在最后一层焊道上加焊一层回火焊道；4.打磨清除回火焊道，使焊缝与母材齐平。本发明通过在最后一层盖面焊道上加焊回火焊道，从而细化最后一层盖面焊道产生的热影响区粗晶区晶粒，以及优化盖面焊道的组织性能，有效解决了采用常规埋弧焊焊由于接头表面热影响区粗晶区不能被后续焊道回火以细化晶粒及优化组织，从而导致接头表面热影响区粗晶区出现冷裂纹及再热裂纹等缺陷的问题。 【EN】The invention discloses a welding method of a weld bead cover surface of a high-strength low-alloy steel submerged-arc welding, which comprises the following steps: 1. filling the groove by adopting a conventional submerged-arc welding process until the last two layers of welding beads are left unfilled; 2. when the last layer of welding bead is welded, controlling the two side edges of the last layer of welding bead to exceed the two side edges of the original groove by a proper distance; 3. after the last welding pass is filled, a tempering welding pass is additionally welded on the last welding pass; 4. and polishing and removing the tempering welding bead to enable the welding seam to be flush with the base metal. According to the invention, the welding tempering welding bead is added on the last layer of cover surface welding bead, so that the heat affected zone coarse crystal area crystal grains generated by the last layer of cover surface welding bead are refined, the structure performance of the cover surface welding bead is optimized, and the problem that the conventional submerged arc welding has the defects that the joint surface heat affected zone coarse crystal area cannot be tempered by the subsequent welding bead to refine the crystal grains and optimize the structure, so that the joint surface heat affected zone coarse crystal area has cold cracks, reheating cracks and the like is effectively solved.

摘要：【中文】本发明公开了用于热电厂调峰供热的混凝土储换热系统及其运行方法，包括通过管路连接的混凝土储热单元、取热单元和蒸汽发生单元，混凝土储热单元的热源入口与热源供给单元相连且热源出口与热源回收单元相连；取热单元包括取热工质储罐和取热工质缓冲罐，取热工质储罐与混凝土储热单元的取热工质入口相连且混凝土储热单元的取热工质出口与取热工质缓冲罐相连；蒸汽发生单元的取热工质入口与取热工质缓冲罐相连且取热工质出口与取热工质储罐相连，蒸汽发生单元的给水入口与给水供给单元相连且蒸汽出口与用户端相连。运行方法包括预热步骤、稳定储热阶段和放热阶段。本发明较常规熔盐储换热系统更加简单，系统初投资、运维成本较熔盐系统更低。 【EN】The invention discloses a concrete heat storage and exchange system for peak regulation heat supply of a thermal power plant and an operation method thereof, wherein the concrete heat storage system comprises a concrete heat storage unit, a heat taking unit and a steam generation unit which are connected through pipelines, a heat source inlet of the concrete heat storage unit is connected with a heat source supply unit, and a heat source outlet is connected with a heat source recovery unit; the heat taking unit comprises a heat taking working medium storage tank and a heat taking working medium buffer tank, the heat taking working medium storage tank is connected with the heat taking working medium inlet of the concrete heat storage unit, and the heat taking working medium outlet of the concrete heat storage unit is connected with the heat taking working medium buffer tank; the steam generating unit is connected with the heat taking working medium buffer tank through a heat taking working medium inlet and connected with the heat taking working medium storage tank through a heat taking working medium outlet, and the steam generating unit is connected with the water supply unit through a water supply inlet and a steam outlet. The operation method comprises a preheating step, a stable heat storage stage and a heat release stage. Compared with the conventional molten salt heat storage and exchange system, the system is simpler, and the initial investment and operation and maintenance cost of the system are lower.