Quartz ceramic crucible capable of being rapidly cooled

Abstract

The utility model relates to the technical field of crucibles, in particular to a fast-cooling quartz ceramic crucible which comprises a crucible body, the crucible body comprises a crucible bottom with the oval bottom and a crucible barrel connected with the crucible bottom, a sleeve is coaxially arranged outside the crucible barrel, positioning plates are evenly distributed between the crucible barrel and the sleeve, a sealing ring plate is arranged at the bottom of the sleeve, and the sealing ring plate is connected with the crucible barrel. The inner ring of the sealing ring plate and the outer wall of the sleeve are sealed, a crucible flange is arranged at the top of the sleeve, and a closed cooling cavity is formed between the crucible barrel and the sleeve; cooling medium cooling and gas cooling are achieved through gas inlet circulation and liquid inlet circulation, and the cooling speed is flexibly controlled by adjusting the liquid inlet flow and the gas inlet flow. And the cooling rate is adjusted according to different experiment requirements, so that the treatment requirements of different materials are met. Cooling liquid flows around the crucible and continuously circulates to rapidly take away heat. Heat dissipation is accelerated through gas flowing, and the cooling efficiency is improved through the dual cooling mode of the cooling medium and the gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crucible technical field, concretely to a quartz ceramic crucible of quick cooling. BACKGROUND

[0002] In the laboratory, quartz ceramic crucible is widely used in high temperature experiment, in the occasion needing quick cooling, such as metal smelting, chemical reaction, material synthesis etc. Quartz ceramic crucible has higher temperature resistance, chemical stability and good thermal conductivity, can bear extreme operating conditions under high temperature environment. However, the application of quick cooling technology becomes an important link of improving experimental efficiency and safety.

[0003] The demand of quick cooling technology in some experimental processes, researchers need to quickly complete the processing of matter under high temperature, such as metal smelting needs to be cooled quickly, or in some chemical reactions, the cooling speed directly influences the result of reaction. And the cooling process of traditional quartz ceramic crucible often needs to be exposed to gas cooling for a long time.

[0004] The existing quartz ceramic crucible is cooled effectively by external cooling equipment, and the cooling system cannot guarantee that the temperature is uniformly reduced during the cooling process of the crucible, thereby reducing the cracking or damage caused by temperature difference. Too fast cooling speed can cause thermal stress of crucible material, thereby cracking, and too slow cooling speed can not meet the time requirement of experiment. SUMMARY

[0005] In view of the deficiency of prior art, in order to solve the problems in the background art, the technical problem to be solved by the utility model is to provide a quartz ceramic crucible of quick cooling which does not damage the structure of the crucible and can realize controllable cooling rate and temperature reduction.

[0006] The technical problem to be solved by the utility model is realized through the following technical scheme, a quartz ceramic crucible of quick cooling, including crucible body, the crucible body includes the bottom oval shaped bottom, and the crucible cylinder is connected with the bottom, the outer coaxial sleeve is arranged in the crucible cylinder, the positioning plate is arranged between the crucible cylinder and the sleeve, the sealing ring plate is arranged at the bottom of the sleeve, the inner ring of the sealing ring plate is sealingly arranged with the outer wall of the sleeve, the crucible flange is arranged at the top of the sleeve, and the closed cooling cavity is formed between the crucible cylinder and the sleeve.

[0007] The sleeve is provided with a liquid inlet, the sealing ring plate is provided with a liquid outlet communicated with the cooling cavity, and the liquid inlet and the liquid outlet are connected by a pipeline with a temperature control liquid storage tank, cooling liquid is input into the cooling cavity along the liquid inlet pipeline, and after heat exchange with the crucible cylinder, the cooling liquid is discharged along the liquid outlet, the sleeve is provided with an air inlet, and the surface of the crucible flange is provided with an air outlet communicated with the cooling cavity. The cooling medium cooling and the gas cooling mode are realized through air circulation and liquid circulation, the cooling speed is flexibly controlled by adjusting the liquid flow and the air flow, the cooling rate is adjusted according to different experimental requirements, the processing requirements of different materials are met, the cooling liquid flows around the crucible, the cooling liquid is continuously circulated to quickly take away heat, the uneven cooling or insufficient cooling liquid storage is avoided, and the cooling efficiency is improved. The gas flow accelerates heat dissipation, and the double cooling mode of the cooling medium and the gas further improves the cooling efficiency.

[0008] The flow rates of the cooling liquid and the gas are accurately controlled through the pipeline system, and the temperature distribution in the cooling process provides a more uniform temperature control environment. The problem of thermal stress concentration caused by excessive temperature difference in the traditional cooling mode is effectively avoided.

[0009] The positioning plate is arranged between the crucible cylinder and the sleeve, and functions to support and limit on the one hand, and reduce deformation or cracks caused by uneven stress changes on the other hand.

[0010] As a further scheme of the utility model, the sleeve upper surface and the crucible flange lower ring surface are arranged in abutment, and the crucible flange inner ring diameter is consistent with the crucible cylinder inner diameter.

[0011] As a further scheme of the utility model, the sealing ring plate outer ring lower surface is uniformly provided with a plurality of supporting legs along the ring plate circumference. The supporting legs are uniformly distributed on the sealing ring plate outer ring lower surface, effectively disperse the external force borne by the sealing ring plate, and improve the overall supporting capacity.

[0012] As a further scheme of the utility model, the temperature control liquid storage tank and the liquid inlet are provided with a liquid inlet pipeline, the liquid inlet pipeline is sequentially provided with a liquid inlet valve and a liquid inlet pump along the cooling medium flow direction, the temperature control liquid storage tank and the liquid outlet are provided with a liquid return pipeline, the liquid return pipeline is provided with a liquid return valve, and the temperature control liquid storage tank is provided with a thermometer. The liquid inlet valve and the liquid return valve accurately control the liquid inlet flow and the liquid return flow respectively. The liquid inlet amount and the liquid return amount are adjusted according to actual requirements, and the stable supply and return of the cooling medium in the system are ensured. The liquid inlet pump can stably send the cooling medium from the temperature control liquid storage tank into the cooling cavity, and realize efficient cooling.

[0013] As a further scheme of the utility model, the temperature control liquid storage tank is provided with a liquid return outlet at the bottom, the liquid return outlet is connected with the liquid return pipeline, and the temperature control liquid storage tank is provided with a plurality of uniformly distributed supporting legs below. The cooling liquid is recycled in the temperature control liquid storage tank and the cooling cavity, energy is saved, and resource waste is reduced.

[0014] As a further scheme of the utility model, the air inlet pipe is arranged on the sleeve, the air inlet pipe is connected with the gas storage tank, and the air inlet valve is arranged on the air inlet pipe.

[0015] As a further scheme of the utility model, the air outlet pipe is arranged on the air outlet pipe, and the air outlet valve is arranged on the air outlet pipe.

[0016] Compared with the prior art, the utility model has the advantages that the quartz ceramic crucible comprises a crucible body, the crucible body comprises an elliptical bottom, a crucible barrel connected with the bottom, a sleeve coaxially arranged outside the crucible barrel, positioning plates arranged between the crucible barrel and the sleeve, a sealing ring plate arranged at the bottom of the sleeve, the inner ring of the sealing ring plate being sealingly arranged on the outer wall of the sleeve, a crucible flange arranged at the top of the sleeve, and a closed cooling cavity formed between the crucible barrel and the sleeve.

[0017] The sleeve is provided with a liquid inlet pipe, the sealing ring plate is provided with a liquid outlet pipe communicating with the cooling cavity, a temperature control liquid storage tank is connected between the liquid inlet pipe and the liquid outlet pipe through a pipeline, the cooling liquid is input into the cooling cavity through the liquid inlet pipe, and then is discharged through the liquid outlet pipe after heat exchange with the crucible barrel, the sleeve is provided with an air inlet pipe, and the surface of the crucible flange is provided with an air outlet pipe communicating with the cooling cavity.

[0018] The positioning plates are arranged between the crucible barrel and the sleeve, which can support and limit, and reduce the stress caused by the deformation or cracks due to the change of temperature difference.

[0019] The flow rates of the cooling liquid and the gas are accurately controlled through the pipeline system, and the temperature distribution in the cooling process provides a more uniform temperature control environment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model discloses a whole structure schematic diagram Figure One ;

[0021] Figure 2The whole structure of the utility model Figure Two ;

[0022] Figure 3 The whole structure of the utility model Figure Three .

[0023] In the figure: 1 - gas storage tank, 101 - air inlet pipeline, 111 - air inlet valve, 2 - crucible body, 201 - liquid inlet pipeline, 211 - liquid inlet valve, 212 - liquid inlet pump, 202 - liquid return pipeline, 221 - liquid return valve, 203 - gas outlet pipeline, 231 - gas outlet valve, 204 - sleeve, 205 - crucible barrel, 3 - crucible flange, 4 - temperature control liquid storage tank, 401 - thermometer, 402 - leg, 5 - sealing ring plate, 6 - positioning plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0025] The serial numbers of components in this paper, such as "first", "second" and the like, are only used to distinguish the described objects, and do not have any order or technical meaning.

[0026] Unless otherwise specified, all the connections (connections) include direct and indirect connections. In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] "Vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] "Vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] In the utility model, unless another definite provision and limitation, first feature is on second feature "on" or "under", first and second features directly contact, or first and second features indirectly contact through intermediate medium.Moreover, first feature is "on", "above" and "on" second feature, first feature can be directly above or obliquely above second feature, or only indicate that first feature horizontal height is higher than second feature.First feature is "under", "below" and "under" second feature, first feature is directly below or obliquely below second feature, or only indicate that first feature horizontal height is less than second feature.

[0030] Embodiment 1

[0031] As shown in the accompanying drawings Figure 1 - the accompanying drawings Figure 3 As shown in the accompanying drawings, a quartz ceramic crucible of rapid cooling includes a crucible body 2, the crucible body includes an elliptical bottom, and a crucible barrel 205 connected with the bottom, a sleeve 204 is coaxially arranged outside the crucible barrel, the upper surface of the sleeve is in abutment with the lower ring surface of the crucible flange, and the inner diameter of the inner ring of the crucible flange 3 is consistent with the inner diameter of the crucible barrel.

[0032] Positioning plates 6 are uniformly arranged between the crucible barrel and the sleeve, the positioning plates are arranged at the upper part of the sleeve, the crucible barrel and the sleeve are fixed in the circumferential direction through the positioning plates, so that the crucible barrel and the sleeve are always arranged at equal intervals.

[0033] The bottom of the sleeve is provided with a sealing ring plate 5, the inner ring of the sealing ring plate is sealingly arranged with the outer wall of the sleeve, the top of the sleeve is provided with a crucible flange 3, and a closed cooling cavity is formed between the crucible barrel and the sleeve; the cooling medium entering the cooling cavity directly contacts the crucible barrel 205, and the cooling of the crucible barrel 205 is effectively completed.

[0034] The sleeve 204 is provided with a liquid inlet pipe, a liquid inlet pipeline 201 is arranged between the temperature control liquid storage tank 4 and the liquid inlet pipe, the liquid inlet pipeline is sequentially provided with a liquid inlet valve 211 and a liquid inlet pump 212 along the flow direction of the cooling medium, the liquid inlet pump 212 is started, and the liquid inlet valve 211 is opened, the opening degree of the liquid inlet valve is adjusted according to actual requirements, the water inflow is different, the water inflow per unit time is different, and the cooling rate is different.

[0035] According to the time regulation of the crucible cooling during the experiment, the top of the temperature control liquid storage tank 4 is provided with a thermometer 401, which monitors the temperature of the cooling medium in the temperature control liquid storage tank 4 in real time. The temperature of the cooling medium is controlled at a preset cooling temperature value. The cooling medium cannot be too low in temperature to contact the crucible under high temperature, so that the crucible is instantaneously cooled and causes the crucible to burst. The cooling medium with a suitable temperature slowly enters the cooling cavity and contacts the outer wall of the crucible barrel 205. As the temperature of the crucible barrel 205 continues to drop, the liquid level of the cooling medium continues to rise and continues to exchange heat with the crucible barrel. The cooling medium fills the cooling cavity for a period of time.

[0036] The sealing ring plate 5 is provided with a liquid discharge port communicated with the cooling cavity. The liquid inlet port and the liquid discharge port are connected by a pipeline, and the temperature control liquid storage tank 4 is connected by the pipeline. The cooling liquid is input into the temperature control liquid storage tank 4 along the liquid inlet pipeline 201, and is discharged along the liquid discharge port after heat exchange with the crucible barrel 205.

[0037] The temperature control liquid storage tank 4 and the liquid discharge port are provided with a liquid return pipeline 202, and the liquid return pipeline is provided with a liquid return valve 221. The bottom of the temperature control liquid storage tank is provided with a liquid return port, the liquid return port is connected with the liquid return pipeline, and the temperature control liquid storage tank is provided with a plurality of evenly distributed supporting legs 402.

[0038] The liquid return valve 221 is opened, the cooling medium flows back to the temperature control liquid storage tank along the liquid return pipeline, and then the cooling medium circulation is formed. Until the crucible is cooled to the preset temperature. The liquid inlet valve and the liquid inlet pump are closed, and the supply of cooling medium for heat exchange is stopped. The liquid return valve is in an open state, and the cooling cavity is emptied of the cooling medium.

[0039] Example 2

[0040] The sleeve is provided with an air inlet port. The sleeve is provided with an air inlet pipeline 101 at the air inlet port. The air inlet pipeline is connected with a gas storage tank 1. The gas storage tank stores compressed air. The air inlet pipeline is provided with an air inlet valve 111.

[0041] The surface of the crucible flange is provided with an air outlet port communicated with the cooling cavity. The air outlet port is provided with an air outlet pipeline 203, and the air outlet pipeline is provided with an air outlet valve 231.

[0042] When the liquid inlet valve 211 and the liquid inlet pump 212 are opened and the cooling liquid circulates, the air inlet valve 111 and the air outlet valve 231 are in a closed state.

[0043] After the cooling medium is emptied, the air inlet valve 111 is opened, and the compressed air enters the cooling cavity for a certain period of time to blow and discharge the liquid in the cooling cavity.

[0044] Example 3

[0045] Different from the embodiment 1, the air cooling mode is adopted when the cooling medium is not needed, and the inlet valve 211 and the inlet pump 212 are in the closed state.

[0046] The inlet valve 111 is opened, the compressed gas in the gas tank is input into the cooling cavity along the inlet pipeline, the space in the cooling cavity is instantaneously enlarged, the pressure is reduced, and the heat is absorbed at the same time, the crucible barrel is cooled, the inlet valve 111 has different opening degrees, the inlet amount is different, and the cooling rate is different.

[0047] The outlet valve 231 is opened, the air heated by heat exchange is discharged along the outlet pipeline, the compressed air continuously exchanges heat with the crucible barrel, and the cooling is performed until the specified temperature is reached.

[0048] During the whole cooling process, the bottom is heated with the crucible barrel and exposed to the air for air cooling, so that the rapid cooling is achieved.

[0049] In the description of the present application, the terms "connection", "installation", "fixation", "setting" and the like are understood in a broad sense, for example, "connection" is fixed connection or indirectly through intermediate components without affecting the relationship between the components and the technical effects, and is also integrated connection or partial connection, as the case may be for those skilled in the art, the specific meaning of the above terms in the present application or application can be understood according to the specific circumstances. The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A rapidly cooled quartz ceramic crucible, characterized by: The utility model provides a kind of cooling device of crucible, including crucible body (2), crucible body includes bottom elliptical bottom, and with bottom crucible barrel (205) is connected, crucible barrel is provided with sleeve (204) coaxially outside, positioning plate (6) is evenly arranged between crucible barrel and sleeve, sleeve bottom is equipped with sealing ring plate (5), sealing ring plate inner circle is sealed with sleeve outer wall, sleeve top is equipped with crucible flange (3), and closed cooling cavity is formed between crucible barrel (205) and sleeve (204); Sleeve (204) is equipped with liquid inlet, and sealing ring plate is equipped with liquid outlet that communicates with cooling cavity, and temperature control liquid storage tank (4) is connected by pipeline between liquid inlet and liquid outlet, cooling liquid is input into cooling cavity along liquid inlet pipeline (201), and after heat exchange with crucible barrel (205), it is discharged along liquid outlet, and sleeve is equipped with gas inlet, and the surface of crucible flange is equipped with gas outlet that communicates with cooling cavity.

2. A rapidly cooled quartz ceramic crucible according to claim 1, characterized in that: The upper surface of sleeve and the lower ring surface of crucible flange are butt joint, and the inner diameter of crucible flange is consistent with the inner diameter of crucible barrel.

3. A rapidly cooled quartz ceramic crucible according to claim 1, characterized in that: The outer ring lower surface of sealing ring plate (5) is equipped with a plurality of supporting legs along the circumferential direction of ring plate.

4. A rapidly cooled quartz ceramic crucible according to claim 2, characterized in that: Temperature control liquid storage tank (4) is equipped with liquid inlet pipeline (201) between liquid inlet, and liquid inlet pipeline is equipped with liquid inlet valve (211) and liquid inlet pump (212) in sequence along the flow direction of cooling medium, and temperature control liquid storage tank is equipped with liquid return pipeline (202) between liquid outlet, and liquid return pipeline is equipped with liquid return valve (221), and temperature control liquid storage tank is equipped with thermometer (401) on top.

5. A rapidly cooled quartz ceramic crucible according to claim 3, characterized in that: The bottom of temperature control liquid storage tank (4) is equipped with liquid outlet, and liquid outlet is connected with liquid return pipeline, and temperature control liquid storage tank is equipped with a plurality of supporting legs arranged uniformly below.

6. A rapidly cooled quartz ceramic crucible according to claim 2, characterized in that: The gas inlet of sleeve is equipped with gas inlet pipeline (101), and gas inlet pipeline is connected with gas storage tank (1), and gas inlet pipeline is equipped with gas inlet valve (111).

7. A rapidly cooled quartz ceramic crucible according to claim 2, characterized in that: The gas outlet is equipped with gas outlet pipeline (203), and gas outlet pipeline is equipped with gas outlet valve (231).

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