CN103091349B - 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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- CN103091349B CN103091349B CN201310015216.0A CN201310015216A CN103091349B CN 103091349 B CN103091349 B CN 103091349B CN 201310015216 A CN201310015216 A CN 201310015216A CN 103091349 B CN103091349 B CN 103091349B
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Abstract
The invention discloses a visualization experiment device for a dynamic process of interaction between water and a molten metal. The device comprises a heating water tank, a water injection pipe and a reaction container, wherein the heating water tank is used for storing experimental water and maintaining a required temperature of the experimental water; the water injection pipe is arranged at the lower end of the heating water tank and integrally connected with the heating water tank; the reaction container is arranged below the water injection pipe, is used for containing the molten metal and heating the molten metal and comprises a reaction container pedestal and a heating plate, the heating plate is arranged in the reaction container pedestal, and a reaction process visual window is arranged on the reaction container pedestal. According to the visualization experiment device, the water injection speed, the water injection rate and the change from water column injection to water drop injection of the experimental water can be adjusted, the experimental process is externally and directly photographed through the reaction process visual window, and the reaction processes of an upper liquid level and a lower liquid level of the non-transparent molten metal can be simultaneously observed in the interaction process of water and the molten metal, thereby being favorable for the researches on types and occurrence mechanisms of the interactions between the water and the molten metal.
Description
Technical field
The present invention relates to water and motlten metal interaction experiment and experimentation is carried out to simultaneous observation technical field, specifically a kind of water and motlten metal interaction dynamic process visual experimental apparatus.
Background technology
The phenomenon that the difficult volatility fused mass of high temperature and the interaction of low temperature effumability cooling medium produce explosive damage may occur in the serious core melt down accident of nuclear reactor, also may occur in metallurgical industry converter accident.Because interacting, fused mass and cooling medium may cause huge economic loss and environmental disruption, so this complicated physical phenomenon is an important research object in security study field in the world at present.
By water, inject the interaction visualized experiment of motlten metal, contribute to its interaction genesis mechanism and course of reaction to carry out more deep research.But due to the opacity of motlten metal, experimental provision in the past often can only observe interaction process more than motlten metal liquid level.This device is in water and motlten metal interaction process, can to opaque level of molten metal top and the course of reaction of liquid level below, observe simultaneously, and can adjust and maintenance water and molten metal temperature according to experiment demand, control water injection rate IR, change water rate of injection, contribute to water and motlten metal interaction type and genesis mechanism to study.
Summary of the invention
The present invention is directed to above shortcomings in prior art, a kind of water and motlten metal interaction dynamic process visual experimental apparatus are provided.
The present invention is achieved by the following technical solutions.
Water and a motlten metal interaction dynamic process visual experimental apparatus, comprise heating water tank, water injection pipe and reaction vessel, wherein:
-heating water tank, for the storage of experimental water and keep temperature required;
-water injection pipe, is arranged on heating water tank lower end, and is connected to an integral body with heating water tank; Be used for guiding water to inject reaction vessel, meanwhile, for regulating water injection rate IR and adjusting the diameter that injects continuous water column or single water droplet;
-reaction vessel, is arranged on the below of water injection pipe, for containing storage motlten metal and to its heating;
Described reaction vessel comprises reaction vessel pedestal and heating plate, and described heating plate is arranged on the inside of reaction vessel pedestal, and described reaction vessel pedestal is provided with course of reaction visual window.
The side inwall of described reaction vessel pedestal has some temperature detection hole; The side outer wall of described reaction vessel pedestal, is connected to hollow tubing conductor along each temperature detection eyelet welding, and described hollow tubing conductor and temperature detection hole form the passage running through; On described reaction vessel pedestal, be provided with reaction vessel inlet with water injection pipe corresponding section.
Described temperature detection is provided with armoured thermocouple in hole, and motlten metal cooled and solidified gradually in described hollow tubing conductor forms sealing automatically.
Described hollow tubing conductor length is 10cm to 15cm.
Described course of reaction visual window front end is provided with glass cover-plate, and described glass cover-plate is fixedly connected with reaction vessel pedestal, between glass cover-plate and course of reaction visual window, adds Graphite pad.
Described course of reaction visual window is silica glass material, and described silica glass material is obtained 900 ℃ of annealed processing by the thick quartz glass plate of 15mm.
The rear portion of described reaction vessel pedestal is heating plate cover plate, and reaction vessel base interior forms cavity, and heating plate is arranged in this cavity; In gap between described heating plate and reaction vessel pedestal, be filled with heat-conducting glue.It is good that heat-conducting glue guarantees that heating plate conducts heat to motlten metal.
Described heating plate adopts electrical heating, and its heating power is adjustable.
Described heating water tank top cover place is provided with water filling port, and the side inwall of described heating water tank is provided with temperature detection hole, and described temperature detection is provided with thermopair in hole, and described thermopair adopts sealant sealing in temperature detection hole; In described heating water tank, be provided with heating arrangement, described heating arrangement is heating arrangement, and is connected to water tank side wall surface; Described heating arrangement power is adjustable.Described water filling port, for to water tank water filling, keeps water tank to communicate with atmosphere simultaneously and maintains water tank normal pressure.
The water delivering orifice ozzle of described water injection pipe is flexibly connected with rising pipe bottom, and the bottom water outlet of described water injection pipe is Height Adjustable apart from reaction vessel; Described water injection pipe is provided with valve, and described valve opening is adjustable.Valve is used for regulating water injection rate IR, can realize from a large amount of water columns continuously and be injected into the transformation that single water droplet injects; Water injection pipe water delivering orifice ozzle is flexibly connected with rising pipe bottom, and replaceable nozzle diameter dimension is to change water column or drop diameter; By regulating water injection pipe bottom water outlet can change water rate of injection apart from reaction vessel height.
The water providing of the present invention and motlten metal interaction dynamic process visual experimental apparatus, its parts mainly adopt stainless steel material.The present invention is in water and motlten metal interaction process, the experimental provision that can simultaneously observe opaque level of molten metal top and the course of reaction of liquid level below, in addition, can also adjust and maintenance water and molten metal temperature according to experiment demand, control water injection rate IR, realization is injected into from a large amount of water columns continuously the transformation that single water droplet injects, and changes water rate of injection, thereby better understands water and motlten metal interaction rule.
Accompanying drawing explanation
Fig. 1 is the overall schematic of this experimental provision, wherein, (a) is front elevation, is (b) side view;
Fig. 2 is reaction vessel pedestal, wherein, (a) is front elevation, is (b) cut-open view, is (c) side view;
In figure: 1 is water filling port, 2 for water tank temperature detects hole, and 3 is heating water tank, 4 is valve, and 5 is water injection pipe ozzle, and 6 is water injection pipe, 7 is reaction vessel, and 8 is glass cover-plate, and 9 is course of reaction visual window, 10 is reaction vessel pedestal, and 11 is Graphite pad, and 12 is heating plate, 13 is heating plate cover plate, and 14 is reaction vessel inlet, and 15 is heating device of water tank, 16 is hollow tubing conductor, and 17 is reaction vessel temperature detection hole.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the present embodiment comprises heating water tank 3, water injection pipe 6 and reaction vessel 7, wherein:
-heating water tank 3, for the storage of experimental water and keep temperature required;
-water injection pipe 6, is arranged on heating water tank 3 lower ends, and is connected to an integral body with heating water tank 3; Be used for guiding water to inject reaction vessel 7, meanwhile, for regulating water injection rate IR and adjusting the diameter that injects continuous water column or single water droplet;
-reaction vessel 7, is arranged on the below of water injection pipe 6, for containing storage motlten metal and to its heating;
As shown in Figure 2, reaction vessel 7 comprises reaction vessel pedestal 10 and heating plate 12, and heating plate 12 is arranged on the inside of reaction vessel pedestal 10, and reaction vessel pedestal 10 is provided with course of reaction visual window 9.
Further, the side inwall of reaction vessel pedestal 10 has some reaction vessel temperature detection hole 17; The side outer wall of reaction vessel pedestal 10, is welded with hollow tubing conductor 16 along each reaction vessel temperature detection hole 17, and hollow tubing conductor 16 forms with reaction vessel temperature detection hole 17 passage running through; On reaction vessel pedestal 10, be provided with reaction vessel inlet 14 with water injection pipe 6 corresponding sections.
Further, in reaction vessel temperature detection hole 17, be provided with armoured thermocouple, motlten metal cooled and solidified gradually in hollow tubing conductor 16, forms sealing automatically.
Further, hollow tubing conductor 16 length are 10cm to 15cm.
Further, course of reaction visual window 9 front ends are provided with glass cover-plate 8, and glass cover-plate 8 is screwed and is connected with reaction vessel pedestal 10, also can be fixedly connected with by other means, between glass cover-plate 8 and course of reaction visual window 9, add Graphite pad 11.
Further, course of reaction visual window 9 is silica glass material, and silica glass material is obtained 900 ℃ of annealed processing by the thick quartz glass plate of 15mm.
Further, in the gap between heating plate 12 and reaction vessel pedestal 10, be filled with heat-conducting glue.It is good that heat-conducting glue guarantees that heating plate 12 conducts heat to motlten metal.
Further, heating plate 12 adopts electrical heating, and its heating power is adjustable.
Further, the rear portion of reaction vessel pedestal 10 is made as heating plate cover plate 13, makes the inner cavity that forms of reaction vessel pedestal 10, and heating plate 12 is arranged in this cavity.Heating plate cover plate 13 is screwed in the base wall that is connected to reaction vessel pedestal 10.
Further, heating water tank 3 top cover places are provided with water filling port 1, and the side inwall of heating water tank 3 is provided with water tank temperature and detects hole 2, and water tank temperature detects in hole 2 and is provided with thermopair, and thermopair adopts sealant sealing in water tank temperature detects hole 2; In heating water tank 3, be provided with heating arrangement 15, heating arrangement 15 is electric heater, and is connected to heating water tank 3 side wall surfaces; Heating arrangement power is adjustable.Water filling port 1, for to heating water tank 3 water fillings, keeps heating water tank 3 to communicate with atmosphere simultaneously and maintains water tank normal pressure.
Further, the water delivering orifice ozzle of water injection pipe 6 is flexibly connected with rising pipe bottom, and the bottom water outlet of water injection pipe 6 is Height Adjustable apart from reaction vessel 7; Water injection pipe 6 is provided with valve 4, and valve 4 apertures are adjustable.Valve 4, for regulating water injection rate IR, can be realized from a large amount of water columns continuously and be injected into the transformation that single water droplet injects; Water injection pipe 6 water delivering orifice ozzles are flexibly connected with rising pipe bottom, and replaceable nozzle diameter dimension is to change water column or drop diameter; By regulating water injection pipe bottom water outlet can change water rate of injection apart from reaction vessel height.
The water filling port 1 of the present embodiment by heating water tank top cover place be to water tank water filling, and keep water tank to communicate with atmosphere maintaining water tank normal pressure.The heating arrangement 15 of water tank is for heating water tank experimental water, and keeps experimental water temperature required.Water tank sidewall has water tank temperature and detects hole 2, for thermopair is installed, and experimental water temperature in Real-Time Monitoring water tank.
When experimental water reach temperature required and stable after, by water injection pipe, inject reaction vessel inlet 14, water injection rate IR is controlled by the adjustable valve 4 of aperture, can carry out a large amount of water columns continuously and inject and the injection of single water droplet.Water column or drop diameter can be adjusted by water injection pipe ozzle 5, and water injection pipe ozzle is detachably changed.
Water reacts in reaction vessel 7 with motlten metal, and course of reaction sees through course of reaction visual window 9 and carries out observational record, and motlten metal heats by electric boiling plate 12, and it is temperature required to maintain experiment.The madial wall of reaction vessel pedestal 10 has reaction vessel temperature detection hole 17, for armoured thermocouple is installed, and Real-Time Monitoring molten metal temperature.At the hollow tubing conductor 16 of reaction vessel side outer wall and temperature detection hole, form the passage running through, motlten metal cooled and solidified gradually in conduit, forms sealing automatically.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. water and a motlten metal interaction dynamic process visual experimental apparatus, is characterized in that, comprises heating water tank, water injection pipe and reaction vessel, wherein:
-heating water tank, for the storage of experimental water and keep temperature required;
-water injection pipe, is arranged on heating water tank lower end, and is connected to an integral body with heating water tank;
-reaction vessel, is arranged on the below of water injection pipe, for containing storage motlten metal and to its heating;
Described reaction vessel comprises reaction vessel pedestal and heating plate, and described heating plate is arranged on the inside of reaction vessel pedestal, and described reaction vessel pedestal is provided with course of reaction visual window.
2. water according to claim 1 and motlten metal interaction dynamic process visual experimental apparatus, is characterized in that, the side inwall of described reaction vessel pedestal has some temperature detection hole; The side outer wall of described reaction vessel pedestal, is connected to hollow tubing conductor along each temperature detection eyelet welding, and described hollow tubing conductor and temperature detection hole form the passage running through; On described reaction vessel pedestal, be provided with reaction vessel inlet with water injection pipe corresponding section.
3. water according to claim 2 and motlten metal interaction dynamic process visual experimental apparatus, it is characterized in that, described reaction vessel temperature detection is provided with armoured thermocouple in hole, and motlten metal cooled and solidified gradually in hollow tubing conductor forms sealing automatically.
4. water according to claim 2 and motlten metal interaction dynamic process visual experimental apparatus, is characterized in that, described hollow tubing conductor length is 10cm to 15cm.
5. according to the water described in any one in claim 1 to 4 and motlten metal interaction dynamic process visual experimental apparatus, it is characterized in that, described course of reaction visual window front end is provided with glass cover-plate, described glass cover-plate is fixedly connected with reaction vessel pedestal, between described glass cover-plate and course of reaction visual window, adds Graphite pad.
6. water according to claim 5 and motlten metal interaction dynamic process visual experimental apparatus, it is characterized in that, described course of reaction visual window is silica glass material, and described silica glass material is obtained 900 ℃ of annealed processing by the thick quartz glass plate of 15mm.
7. according to the water described in any one in claim 1 to 4 and motlten metal interaction dynamic process visual experimental apparatus, it is characterized in that, the rear portion of described reaction vessel pedestal is heating plate cover plate, and reaction vessel base interior forms cavity, and heating plate is arranged in this cavity; In gap between described heating plate and reaction vessel pedestal, be filled with heat-conducting glue.
8. water according to claim 7 and motlten metal interaction dynamic process visual experimental apparatus, is characterized in that, described heating plate adopts electrical heating, and its heating power is adjustable.
9. water according to claim 1 and motlten metal interaction dynamic process visual experimental apparatus, it is characterized in that, described heating water tank top cover place is provided with water filling port, the side inwall of described heating water tank is provided with water tank temperature and detects hole, described water tank temperature detects in hole and is provided with thermopair, and described thermopair adopts sealant sealing in water tank temperature detects hole; In described heating water tank, be provided with heating arrangement, described heating arrangement is connected to water tank side wall surface; Described heating arrangement power is adjustable.
10. water according to claim 1 and motlten metal interaction dynamic process visual experimental apparatus, it is characterized in that, the water injection pipe ozzle of described water injection pipe is flexibly connected with water injection pipe bottom, and the bottom water outlet of described water injection pipe is Height Adjustable apart from reaction vessel; Described water injection pipe is provided with valve, and described valve opening is adjustable.
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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 |
| 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 |
| 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 |
| CN107421983B (en) * | 2017-06-15 | 2020-01-07 | 上海交通大学 | Thermal hydraulic experiment system related to interaction of melt and coolant |
| CN110146416A (en) * | 2019-05-15 | 2019-08-20 | 合肥工业大学 | A kind of experimental provision for simulating molten metal drop and water phase interaction |
| 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 | Visualization device for graphite catheter for molten metal |
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