CN103091349A - Visualization experiment device for dynamic process of interaction between water and molten metal - Google Patents
Visualization experiment device for dynamic process of interaction between water and molten metal Download PDFInfo
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Abstract
本发明公开了一种水与熔融金属相互作用动态过程可视化实验装置，包括：加热水箱，用于实验用水的存储以及保持所需温度；注水管，设置在加热水箱下端，并与加热水箱连接为一整体；反应容器，设置在注水管的下方，用于盛储熔融金属并对其加热；反应容器包括反应容器基座及加热板，加热板设置在反应容器基座的内部，反应容器基座上设有反应过程可视窗。本发明可以调节实验所需水注入速度、水注入量以及水柱注入到水滴注入的转变，通过反应过程可视窗从外部对实验过程直接进行拍摄，在水与熔融金属相互作用过程中，可以同时对不透明的熔融金属液位上方与液位下方的反应过程进行观测，有助于对水与熔融金属相互作用类型和发生机理进行研究。
The invention discloses a visual experiment device for the dynamic process of interaction between water and molten metal, which comprises: a heating water tank for storing experimental water and maintaining the required temperature; a water injection pipe arranged at the lower end of the heating water tank and connected with the heating water tank as A whole; the reaction vessel is arranged under the water injection pipe for storing molten metal and heating it; the reaction vessel includes a reaction vessel base and a heating plate, the heating plate is arranged inside the reaction vessel base, and the reaction vessel base There is a visual window for the reaction process. The invention can adjust the water injection speed, water injection amount and the transition from water column injection to water drop injection required by the experiment, and directly shoot the experiment process from the outside through the visible window of the reaction process. During the interaction process between water and molten metal, it can simultaneously Observation of the reaction process above and below the opaque molten metal level helps to study the type and mechanism of interaction between water and molten metal.
Description
技术领域technical field
本发明涉及水与熔融金属相互作用实验并对实验过程进行同步观测技术领域，具体是一种水与熔融金属相互作用动态过程可视化实验装置。The invention relates to the technical field of the interaction experiment between water and molten metal and the simultaneous observation of the experimental process, in particular to a visualization experiment device for the dynamic process of interaction between water and molten metal.
背景技术Background technique
高温难挥发性熔融物与低温易挥发性冷却剂相互作用产生爆炸破坏的现象可能发生在核反应堆严重堆芯熔化事故中、也可能发生在冶金工业炼钢炉事故中。由于熔融物与冷却剂相互作用可能引起巨大的经济损失和环境破坏，所以这一复杂的物理现象是目前国际上安全研究领域里的一个重要研究对象。The phenomenon of explosive damage caused by the interaction of high-temperature low-volatile melts and low-temperature volatile coolants may occur in severe core melting accidents in nuclear reactors, and may also occur in steelmaking furnace accidents in metallurgical industries. Since the interaction between melt and coolant may cause huge economic loss and environmental damage, this complex physical phenomenon is an important research object in the field of international safety research.
通过水注入熔融金属的相互作用可视化实验，有助于对其相互作用发生机理和反应过程进行更深入的研究。但是由于熔融金属的不透明性，以往的实验装置往往只能观测到熔融金属液面以上的相互作用过程。本装置在水与熔融金属相互作用过程中，可以同时对不透明的熔融金属液位上方与液位下方的反应过程进行观测，并可根据实验需求调整和保持水与熔融金属温度，控制水注入量，改变水注入速率，有助于对水与熔融金属相互作用类型和发生机理进行研究。The interaction visualization experiment by injecting water into the molten metal is helpful to conduct a more in-depth study of the interaction mechanism and reaction process. However, due to the opacity of molten metal, previous experimental devices can only observe the interaction process above the molten metal surface. During the interaction between water and molten metal, this device can simultaneously observe the reaction process above and below the opaque molten metal liquid level, and can adjust and maintain the temperature of water and molten metal according to the experimental requirements, and control the amount of water injection , changing the water injection rate helps to study the type and mechanism of interaction between water and molten metal.
发明内容Contents of the invention
本发明针对现有技术中存在的上述不足，提供了一种水与熔融金属相互作用动态过程可视化实验装置。Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a visual experiment device for the dynamic process of interaction between water and molten metal.
本发明是通过以下技术方案实现的。The present invention is achieved through the following technical solutions.
一种水与熔融金属相互作用动态过程可视化实验装置，包括加热水箱、注水管以及反应容器，其中：A visualization experimental device for the dynamic process of interaction between water and molten metal, including a heating water tank, a water injection pipe and a reaction vessel, wherein:
-加热水箱，用于实验用水的存储以及保持所需温度；- Heating water tank for storage of experimental water and maintaining the desired temperature;
-注水管，设置在加热水箱下端，并与加热水箱连接为一整体；用于引导水注入反应容器，同时，用于调节水注入量和调整注入连续水柱或单个水滴的直径；- The water injection pipe is arranged at the lower end of the heating water tank and is connected with the heating water tank as a whole; it is used to guide water into the reaction vessel, and at the same time, it is used to adjust the water injection volume and adjust the diameter of the continuous water column or single water drop;
-反应容器，设置在注水管的下方，用于盛储熔融金属并对其加热；- The reaction vessel is arranged below the water injection pipe and is used to store molten metal and heat it;
所述反应容器包括反应容器基座及加热板，所述加热板设置在反应容器基座的内部，所述反应容器基座上设有反应过程可视窗。The reaction vessel includes a reaction vessel base and a heating plate, the heating plate is arranged inside the reaction vessel base, and a reaction process viewing window is provided on the reaction vessel base.
所述反应容器基座的侧内壁开有若干温度检测孔；所述反应容器基座的侧外壁，顺着每个温度检测孔焊接有空心导管，所述空心导管与温度检测孔形成贯穿的通道；所述反应容器基座上与注水管相对应处设有反应容器注入口。The side inner wall of the reaction vessel base is provided with a number of temperature detection holes; the side outer wall of the reaction vessel base is welded with a hollow conduit along each temperature detection hole, and the hollow conduit forms a through channel with the temperature detection hole ; The base of the reaction vessel is provided with a reaction vessel inlet corresponding to the water injection pipe.
所述温度检测孔内设有铠装热电偶，熔融金属在所述空心导管内逐渐冷却凝固，自动形成密封。The temperature detection hole is provided with an armored thermocouple, and the molten metal is gradually cooled and solidified in the hollow conduit to automatically form a seal.
所述空心导管长度为10cm至15cm。The length of the hollow conduit is 10cm to 15cm.
所述反应过程可视窗前端设有玻璃盖板，所述玻璃盖板与反应容器基座固定连接，玻璃盖板与反应过程可视窗之间加装有石墨垫片。The front end of the reaction process viewing window is provided with a glass cover plate, which is fixedly connected to the base of the reaction vessel, and a graphite gasket is installed between the glass cover plate and the reaction process viewing window.
所述反应过程可视窗为石英玻璃材料，所述石英玻璃材料由15mm厚的石英玻璃板在900℃经过退火处理得到。The visible window of the reaction process is made of quartz glass material, which is obtained by annealing a 15mm thick quartz glass plate at 900°C.
所述反应容器基座的后部为加热板盖板，反应容器基座内部形成腔体，加热板位于该腔体中；所述加热板与反应容器基座之间的缝隙内填充有导热胶。导热胶确保加热板向熔融金属传热良好。The rear part of the reaction vessel base is a heating plate cover, and a cavity is formed inside the reaction vessel base, and the heating plate is located in the cavity; the gap between the heating plate and the reaction vessel base is filled with thermally conductive glue . Thermally conductive adhesive ensures good heat transfer from the heating plate to the molten metal.
所述加热板采用电加热，其加热功率可调节。The heating plate adopts electric heating, and its heating power can be adjusted.
所述加热水箱顶盖处设有注水口，所述加热水箱的侧内壁设有温度检测孔，所述温度检测孔内设有热电偶，所述热电偶采用密封胶密封在温度检测孔内；所述加热水箱内设有加热装置，所述加热装置为加热装置，并连接在水箱侧壁面；所述加热装置功率可调节。所述注水口用于向水箱注水，同时保持水箱与大气相通维持水箱常压。The top cover of the heating water tank is provided with a water injection port, the side inner wall of the heating water tank is provided with a temperature detection hole, and a thermocouple is arranged in the temperature detection hole, and the thermocouple is sealed in the temperature detection hole with a sealant; A heating device is provided in the heating water tank, and the heating device is a heating device connected to the side wall of the water tank; the power of the heating device can be adjusted. The water injection port is used for injecting water into the water tank, while keeping the water tank communicated with the atmosphere to maintain the normal pressure of the water tank.
所述注水管的出水口管嘴与出水管底端活动连接，所述注水管的底端出水口处距离反应容器的高度可调节；所述注水管上设有阀门，所述阀门开度可调节。阀门用于调节水注入量，可实现从大量连续水柱注入到单个水滴注入的转变；注水管出水口管嘴与出水管底端活动连接，可更换管嘴直径尺寸以改变水柱或水滴直径；通过调节注水管底端出水口处距离反应容器高度可以改变水注入速率。The water outlet nozzle of the water injection pipe is flexibly connected to the bottom end of the water outlet pipe, and the height of the water outlet at the bottom end of the water injection pipe from the reaction vessel can be adjusted; the water injection pipe is provided with a valve, and the opening of the valve can be adjusted. adjust. The valve is used to adjust the water injection volume, which can realize the transformation from a large amount of continuous water column injection to a single water droplet injection; the outlet nozzle of the water injection pipe is movably connected with the bottom of the outlet pipe, and the diameter of the nozzle can be changed to change the diameter of the water column or water droplet; through The water injection rate can be changed by adjusting the height of the water outlet at the bottom of the water injection pipe from the reaction vessel.
本发明的提供的水与熔融金属相互作用动态过程可视化实验装置，其部件主要采用不锈钢材料。本发明在水与熔融金属相互作用过程中，可以同时对不透明的熔融金属液位上方与液位下方的反应过程进行观测的实验装置，另外，还可以根据实验需求调整和保持水与熔融金属温度，控制水注入量，实现从大量连续水柱注入到单个水滴注入的转变，改变水注入速率，从而更好的理解水与熔融金属相互作用规律。The present invention provides a visualization experiment device for the dynamic process of interaction between water and molten metal, and its components are mainly made of stainless steel. The present invention is an experimental device that can simultaneously observe the reaction process above and below the opaque molten metal liquid level during the interaction process between water and molten metal. In addition, it can also adjust and maintain the temperature of water and molten metal according to experimental requirements. , control the amount of water injection, realize the transformation from a large number of continuous water column injection to single water droplet injection, and change the water injection rate, so as to better understand the interaction law between water and molten metal.
附图说明Description of drawings
图1为本实验装置的整体示意图，其中，(a)为正视图，(b)为侧视图；Fig. 1 is the overall schematic diagram of this experimental device, wherein, (a) is a front view, (b) is a side view;
图2为反应容器基座，其中，(a)为正视图，(b)为剖视图，(c)为侧视图；Fig. 2 is a reaction vessel base, wherein, (a) is a front view, (b) is a sectional view, and (c) is a side view;
图中：1为注水口，2为水箱温度检测孔，3为加热水箱，4为阀门，5为注水管管嘴，6为注水管，7为反应容器，8为玻璃盖板，9为反应过程可视窗，10为反应容器基座，11为石墨垫片，12为加热板，13为加热板盖板，14为反应容器注入口，15为水箱加热装置，16为空心导管，17为反应容器温度检测孔。In the figure: 1 is the water injection port, 2 is the temperature detection hole of the water tank, 3 is the heating water tank, 4 is the valve, 5 is the nozzle of the water injection pipe, 6 is the water injection pipe, 7 is the reaction vessel, 8 is the glass cover, 9 is the reaction Process viewing window, 10 is the base of the reaction vessel, 11 is the graphite gasket, 12 is the heating plate, 13 is the cover plate of the heating plate, 14 is the inlet of the reaction vessel, 15 is the water tank heating device, 16 is the hollow conduit, 17 is the reaction Container temperature detection hole.
具体实施方式Detailed ways
下面对本发明的实施例作详细说明：本实施例在以本发明技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述的实施例。The embodiments of the present invention are described in detail below: the present embodiment is implemented under the premise of the technical solution of the present invention, and detailed implementation and specific operation process are provided, but the protection scope of the present invention is not limited to the following implementation example.
如图1所示，本实施例包括加热水箱3、注水管6以及反应容器7，其中：As shown in Figure 1, the present embodiment comprises
-加热水箱3，用于实验用水的存储以及保持所需温度；- Heating
-注水管6，设置在加热水箱3下端，并与加热水箱3连接为一整体；用于引导水注入反应容器7，同时，用于调节水注入量和调整注入连续水柱或单个水滴的直径；-The
-反应容器7，设置在注水管6的下方，用于盛储熔融金属并对其加热；- The
如图2所示，反应容器7包括反应容器基座10及加热板12，加热板12设置在反应容器基座10的内部，反应容器基座10上设有反应过程可视窗9。As shown in FIG. 2 , the
进一步地，反应容器基座10的侧内壁开有若干反应容器温度检测孔17；反应容器基座10的侧外壁，顺着每个反应容器温度检测孔17焊接有空心导管16，空心导管16与反应容器温度检测孔17形成贯穿的通道；反应容器基座10上与注水管6相对应处设有反应容器注入口14。Further, the side inner wall of the
进一步地，反应容器温度检测孔17内设有铠装热电偶，熔融金属在空心导管16内逐渐冷却凝固，自动形成密封。Further, the
进一步地，空心导管16长度为10cm至15cm。Further, the length of the
进一步地，反应过程可视窗9前端设有玻璃盖板8，玻璃盖板8与反应容器基座10通过螺丝固定连接，也可以通过其他方式固定连接，玻璃盖板8与反应过程可视窗9之间加装有石墨垫片11。Further, the front end of the reaction
进一步地，反应过程可视窗9为石英玻璃材料，石英玻璃材料由15mm厚的石英玻璃板在900℃经过退火处理得到。Further, the reaction
进一步地，加热板12与反应容器基座10之间的缝隙内填充有导热胶。导热胶确保加热板12向熔融金属传热良好。Further, the gap between the
进一步地，加热板12采用电加热，其加热功率可调节。Further, the
进一步地，反应容器基座10的后部设为加热板盖板13，使反应容器基座10内部形成腔体，加热板12位于该腔体中。加热板盖板13通过螺丝固定连接在反应容器基座10的基座壁上。Further, the rear part of the
进一步地，加热水箱3顶盖处设有注水口1，加热水箱3的侧内壁设有水箱温度检测孔2，水箱温度检测孔2内设有热电偶，热电偶采用密封胶密封在水箱温度检测孔2内；加热水箱3内设有加热装置15，加热装置15为电加热器，并连接在加热水箱3侧壁面；加热装置功率可调节。注水口1用于向加热水箱3注水，同时保持加热水箱3与大气相通维持水箱常压。Further, the top cover of the
进一步地，注水管6的出水口管嘴与出水管底端活动连接，注水管6的底端出水口处距离反应容器7的高度可调节；注水管6上设有阀门4，阀门4开度可调节。阀门4用于调节水注入量，可实现从大量连续水柱注入到单个水滴注入的转变；注水管6出水口管嘴与出水管底端活动连接，可更换管嘴直径尺寸以改变水柱或水滴直径；通过调节注水管底端出水口处距离反应容器高度可以改变水注入速率。Further, the water outlet nozzle of the
本实施例通过加热水箱顶盖处的注水口1向水箱注水，并保持水箱与大气相通维持水箱常压。水箱的加热装置15用于加热水箱中实验用水，并保持实验用水所需温度。水箱侧壁开有水箱温度检测孔2，用于安装热电偶，实时监测水箱中实验用水温度。In this embodiment, water is injected into the water tank through the
当实验用水达到所需温度并稳定后，通过注水管注入反应容器注入口14，水注入量通过开度可调的阀门4进行控制，可进行大量连续水柱注入和单个水滴注入。水柱或水滴直径可由注水管管嘴5进行调整，注水管管嘴可拆卸更换。When the experimental water reaches the required temperature and is stable, it is injected into the
水与熔融金属在反应容器7中进行反应，反应过程透过反应过程可视窗9进行观测记录，熔融金属通过电加热板12进行加热，并维持实验所需温度。反应容器基座10的内侧壁开有反应容器温度检测孔17，用于安装铠装热电偶，实时监测熔融金属温度。在反应容器侧外壁的空心导管16和温度检测孔形成贯穿的通道，熔融金属在导管内逐渐冷却凝固，自动形成密封。Water and molten metal react in the
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.
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Cited By (8)
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| CN103913544A (en) * | 2014-03-18 | 2014-07-09 | 上海交通大学 | Melts and coolant interacting relative thermal-hydraulic research experiment water tank |
| CN104006675A (en) * | 2014-05-27 | 2014-08-27 | 上海交通大学 | Remote control pneumatic sealing valve device at bottom of high temperature furnace |
| CN104569028A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学 | Experimental device applied to interaction of large-scale liquid lithium and coolant |
| CN106409349A (en) * | 2016-09-30 | 2017-02-15 | 中山大学 | Experimental system for forming characteristic of sodium-cooled fast reactor debris bed |
| CN107421983A (en) * | 2017-06-15 | 2017-12-01 | 上海交通大学 | Fused mass thermal-hydraulic experiment system related to cooling agent interaction |
| CN110146416A (en) * | 2019-05-15 | 2019-08-20 | 合肥工业大学 | An experimental setup for simulating the interaction between molten metal droplets and water |
| CN110274473A (en) * | 2019-06-24 | 2019-09-24 | 合肥工业大学 | A kind of visualization Si-Mo rod firing space device for molten metal and water Effect study |
| CN111131677A (en) * | 2019-12-30 | 2020-05-08 | 安徽鼎恒再制造产业技术研究院有限公司 | A visualization device for graphite conduits of molten metal |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913544A (en) * | 2014-03-18 | 2014-07-09 | 上海交通大学 | Melts and coolant interacting relative thermal-hydraulic research experiment water tank |
| CN104006675A (en) * | 2014-05-27 | 2014-08-27 | 上海交通大学 | Remote control pneumatic sealing valve device at bottom of high temperature furnace |
| CN104006675B (en) * | 2014-05-27 | 2016-02-10 | 上海交通大学 | Remote control pneumatic sealed valve device bottom high temperature furnace |
| CN104569028A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学 | Experimental device applied to interaction of large-scale liquid lithium and coolant |
| CN106409349A (en) * | 2016-09-30 | 2017-02-15 | 中山大学 | Experimental system for forming characteristic of sodium-cooled fast reactor debris bed |
| CN106409349B (en) * | 2016-09-30 | 2018-02-13 | 中山大学 | A kind of experimental system of sodium-cooled fast reactor fragment bed Formation and characteristics |
| CN107421983A (en) * | 2017-06-15 | 2017-12-01 | 上海交通大学 | Fused mass thermal-hydraulic experiment system related to cooling agent interaction |
| CN110146416A (en) * | 2019-05-15 | 2019-08-20 | 合肥工业大学 | An experimental setup for simulating the interaction between molten metal droplets and water |
| CN110274473A (en) * | 2019-06-24 | 2019-09-24 | 合肥工业大学 | A kind of visualization Si-Mo rod firing space device for molten metal and water Effect study |
| CN110274473B (en) * | 2019-06-24 | 2024-05-24 | 合肥工业大学 | Visual silicon-molybdenum rod hearth device for researching action of molten metal and water |
| CN111131677A (en) * | 2019-12-30 | 2020-05-08 | 安徽鼎恒再制造产业技术研究院有限公司 | A visualization device for graphite conduits of molten metal |
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| CN103091349B (en) | 2014-11-19 |
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