CN203011868U - Experimental apparatus used for determining heat exchange coefficient of water cooling cast mould - Google Patents
Experimental apparatus used for determining heat exchange coefficient of water cooling cast mould Download PDFInfo
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- CN203011868U CN203011868U CN 201220555577 CN201220555577U CN203011868U CN 203011868 U CN203011868 U CN 203011868U CN 201220555577 CN201220555577 CN 201220555577 CN 201220555577 U CN201220555577 U CN 201220555577U CN 203011868 U CN203011868 U CN 203011868U
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Abstract
The utility model discloses an experimental apparatus used for determining the heat exchange coefficient of a water cooling cast mould. The experimental apparatus comprises a cast mould, a cast ingot, a cooling system, a temperature acquiring system, a heating device and a computer. The experimental device is characterized in that an input end of the temperature acquiring system is connected with the cooling system, the cast mould and the cast ingot respectively, an output end of the temperature acquiring system is connected with the computer, the cast mould and the cast ingot are contacted with each other, and the cast ingot and the heating device are contacted with each other; and simultaneously, the cooling intensity in the device can be controlled by a flowmeter in the cooling system, and the temperature acquiring system is used for acquiring temperatures at different positions of the cooling system, the cast mould and the cast ingot in real time. The experimental apparatus not only can simulate the cooling process of the cast mould and determine the temperature at the fixed point, but also has the characteristics of being simple in structure, convenient to operate and high in accuracy.
Description
Technical field
The utility model belongs to the measurement mechanism design field, particularly a kind of experimental provision for measuring the junker mold coefficient of heat transfer.
Background technology
At present, it has been the main flow technique of steel and iron industry that continuous casting is produced steel billet, but at special steel, shaped blank, the production fields such as the generous slab of super large adopt mold production still in the highest flight.The cooling of tradition mold is naturally cooling by cross-ventilation, and cool time is long, and mold is subjected to high-temperature time long, causes to require highly to the material of traditional mold is heat-resisting, and volume requirement is large.Owing to bearing for a long time high temperature, mold is short serviceable life, and cost is high.And new-type junker mold, its cooling is to adopt Forced water cooling, has greatly shortened cool time, and the temperature that mold bears is low, requires lowly to material is heat-resisting, and volume is little, long service life, cost is low.If but the cooling velocity of junker mold is too fast, easily make ingot solidification too fast, produce stress and concentrate, cause the casting flaws such as ingot casting crackle and distortion, the heat transfer process of therefore effectively controlling between ingot casting and mold is the core technology that junker mold is produced.Mold interior metal process of setting very complicated adopts that directly to measure in its process of setting the coefficient of heat transfer between ingot casting and mold more difficult, based on the coefficient of heat transfer between easy empirical model reverse ingot casting and mold just show significant.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of can in the junker mold technological process, the simulation mold cooling procedure, measure the experimental provision of set point temperature, and have characteristics simple in structure, easy to operate, that accuracy is high.
For solving the problems of the technologies described above; the utility model provides a kind of experimental provision for measuring the junker mold coefficient of heat transfer; comprise mold; ingot casting; cooling system; be used for the temperature of described cooling system, described mold, described ingot casting three diverse location is carried out the temperature acquisition system of Real-time Collection, be used for heating arrangement and computing machine that described ingot casting is heated.The input end of described temperature acquisition system is connected with described cooling system, described mold, described ingot casting respectively; The output terminal of described temperature acquisition system is connected with described computing machine; Described heating arrangement contacts with described ingot casting.
Further, described cooling system comprises: cooling water pipe, be used for controlling the control device of described cooling system intensity of cooling.Described mold is arranged on the middle part of described cooling water pipe, and the mold inner chamber contacts with described cooling water pipe outer wall; Described control device is arranged between the water inlet and described mold of described cooling water pipe; The water inlet of described cooling water pipe is connected with described temperature acquisition system input end by the first temperature element; The water delivering orifice of described cooling water pipe is connected with described temperature acquisition system input end by the second temperature element; Described mold is connected with described temperature acquisition system input end by the 3rd temperature element.
Further, described control device for the Controlled cooling system intensity of cooling is flowmeter.
Further, described the first temperature element, described the second temperature element and described the 3rd temperature element are thermopairs.
Further, described heating arrangement comprises: the refractory brick heating plate; Described refractory brick heating plate contacts with described ingot casting.
Further, the utility model also comprises: heat-insulation system; Described chilled water system, described mold, described ingot casting and described heating arrangement are placed in described heat-insulation system.
Further, described heat-insulation system comprises: rustless steel container and high-temperature refractory; Described chilled water system, described mold, described ingot casting and described heating arrangement three are placed in described rustless steel container, and described high-temperature refractory is placed in described rustless steel container inwall place and is used for insulation.
Further, described high-temperature refractory is refractory fiber cotton.
A kind of experimental provision for measuring the junker mold coefficient of heat transfer that the utility model provides comprises mold, ingot casting, cooling system, temperature acquisition system, heating arrangement and computing machine.The utility model is connected with cooling system, mold, ingot casting respectively by the input end with temperature acquisition system, and output terminal is connected with computing machine, and mold and ingot casting are in contact with one another, and ingot casting and heating arrangement are in contact with one another; Simultaneously, flowmeter is set in cooling system intensity of cooling in device is controlled, and adopt temperature acquisition system to carry out Real-time Collection to the temperature of cooling system, mold and ingot casting diverse location.The utility model not only can the physical simulation production run in the contact process of mold 2 and ingot casting 3, and adopt the remote digital temperature acquisition system to the temperature of ingot casting 3 and mold 2 zoness of different carry out online in real time, fixed point gathers.Simultaneously, the utility model also has simple in structure, and is easy to operate, and the high characteristics of accuracy.
Description of drawings
The workflow schematic diagram of a kind of experimental provision for measuring the junker mold coefficient of heat transfer that Fig. 1 provides for the utility model embodiment.
The principle of work schematic diagram of a kind of experimental provision for measuring the junker mold coefficient of heat transfer that Fig. 2 provides for the utility model embodiment.
Wherein, 1-cooling water pipe, 2-mold, 3-ingot casting, 4-refractory brick heating plate, 5-cooling water pipe water inlet, 6-cooling water pipe water delivering orifice, 7-flowmeter.
Embodiment
Below in conjunction with accompanying drawing, the embodiment that the utility model is provided is described in further detail.
Referring to Fig. 1,2, a kind of experimental provision for measuring the junker mold coefficient of heat transfer that the utility model embodiment provides comprises mold 2, ingot casting 3; Mold 2 is in contact with one another with ingot casting 3.Simultaneously, also comprise: cooling system, be used for the temperature of cooling system, mold 2, ingot casting 3 three's diverse locations is carried out the temperature acquisition system of Real-time Collection, be used for heating arrangement and computing machine that ingot casting 3 is heated.Wherein, the input end of temperature acquisition system is connected with cooling system, mold 2 and ingot casting 3 threes respectively.The output terminal of temperature acquisition system is connected with computing machine.Heating arrangement contacts with ingot casting 3.
In the present embodiment, chilled water system comprises cooling water pipe 1 and is used for the control device of Controlled cooling system intensity of cooling.Wherein, mold 2 is arranged on the middle part of cooling water pipe 1, and mold 2 inner chambers contact with cooling water pipe 1 outer wall.Control device is arranged between cooling water pipe water inlet 5 and mold 2.Simultaneously, cooling water pipe water inlet 5 is connected with the temperature acquisition system input end by the first temperature element.Cooling water pipe water delivering orifice 6 is connected with the temperature acquisition system input end by the second temperature element.Mold 2 is connected with the temperature acquisition system input end by the 3rd temperature element.Wherein, the 3rd temperature element can carry out the thermometric operation to mold 2 many places diverse locations.
Preferably, the control device for the Controlled cooling system intensity of cooling is flowmeter.
Preferably, above-mentioned the first temperature element, the second temperature element and the 3rd temperature element are thermopairs.
Simultaneously, a kind of experimental provision for measuring the junker mold coefficient of heat transfer of providing of the utility model embodiment also comprises heat-insulation system.Wherein, heat-insulation system comprises a rustless steel container and high-temperature refractory.In the present embodiment, heating arrangement, cooling system, mold 2 and ingot casting 3 are placed in rustless steel container, and fill at the rustless steel container inwall purpose that high-temperature refractory has reached insulation.Preferably, high-temperature refractory is refractory fiber cotton.
The utility model is synchronizeed with computing machine by temperature acquisition system and is connected in the practical operation engineering.At first control the intensity of cooling of chilled water system by flowmeter 7, then adopt refractory brick heating plate 4 that ingot casting 3 is heated to uniform temperature.Simultaneously, utilize temperature acquisition system, the first temperature element, the second temperature element, the 3rd temperature element to carry out Real-time Collection to the temperature of cooling water pipe water inlet 5, cooling water pipe water delivering orifice 6 and mold 2 inner chamber diverse locations, in the situation that different chilled water flow velocity is completed many group tests.The heat that enters mold 2 during according to steady state heat transfer equates with the heat that chilled water is taken away, and calculates the coefficient of heat transfer of diverse location under different intensities of cooling.
A kind of experimental provision for measuring the junker mold coefficient of heat transfer that the utility model provides comprises mold 2, ingot casting 3, cooling system, temperature acquisition system, heating arrangement and computing machine.The utility model is connected with cooling system, mold 2, ingot casting 3 respectively by the input end with temperature acquisition system, and output terminal is connected with computing machine, and mold 2 and ingot casting 3 are in contact with one another, and ingot casting 3 and heating arrangement are in contact with one another; Simultaneously, intensity of cooling is set in cooling system in 7 pairs of devices of flowmeter is controlled, and adopt temperature acquisition system to carry out Real-time Collection to the temperature of cooling system, mold 2 and ingot casting 3 diverse locations.In actual applications, the utility model adopts 4 pairs of ingot castings 3 of refractory brick heating plate to heat, utilize the mold water-cooling system to carry out cooling, the contact process of mold 2 and ingot casting 3 in not only can the physical simulation production run, whole heating arrangement and cooling system are fixed in a rustless steel container, the material of filling in some high-temperature flame-proof faces on every side to be reaching the purpose of insulation, and adopt the remote digital temperature acquisition system to the temperature of ingot casting 3 and mold 2 zoness of different carry out online in real time, fixed point gathers.Simultaneously, the utility model also has simple in structure, and is easy to operate, and the high characteristics of accuracy.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement this practical new technical scheme, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. an experimental provision that is used for measuring the junker mold coefficient of heat transfer, comprise mold (2), ingot casting (3), and described mold (2) is in contact with one another with described ingot casting (3); It is characterized in that, also comprise:
Cooling system is used for the temperature of described cooling system, described mold (2), described ingot casting (3) three's diverse location is carried out the temperature acquisition system of Real-time Collection, is used for heating arrangement and computing machine that described ingot casting (3) is heated; The input end of described temperature acquisition system is connected with described cooling system, described mold (2), described ingot casting (3) respectively;
The output terminal of described temperature acquisition system is connected with described computing machine;
Described heating arrangement contacts with described ingot casting (3).
2. be used for to measure according to claim 1 the experimental provision of the junker mold coefficient of heat transfer, it is characterized in that, described cooling system comprises: cooling water pipe (1), be used for controlling the control device of described cooling system intensity of cooling;
Described mold (2) is arranged on the middle part of described cooling water pipe (1), and mold (2) inner chamber contacts with described cooling water pipe (1) outer wall;
Described control device is arranged between the water inlet (5) and described mold (2) of described cooling water pipe (1);
The water inlet (5) of described cooling water pipe (1) is connected with described temperature acquisition system input end by the first temperature element;
The water delivering orifice (6) of described cooling water pipe (1) is connected with described temperature acquisition system input end by the second temperature element;
Described mold (2) is connected with described temperature acquisition system input end by the 3rd temperature element.
3. be used for measuring according to claim 2 the experimental provision of the junker mold coefficient of heat transfer, it is characterized in that:
Described control device for the Controlled cooling system intensity of cooling is flowmeter (7).
4. be used for measuring according to claim 3 the experimental provision of the junker mold coefficient of heat transfer, it is characterized in that:
Described the first temperature element, described the second temperature element and described the 3rd temperature element are thermopairs.
5. be used for measuring according to claim 4 the experimental provision of the junker mold coefficient of heat transfer, it is characterized in that, described heating arrangement comprises: refractory brick heating plate (4); Described refractory brick heating plate (4) contacts with described ingot casting (3).
6. the described experimental provision for measuring the junker mold coefficient of heat transfer of according to claim 1-5 any one, is characterized in that, also comprises: heat-insulation system; Described chilled water system, described mold (2), described ingot casting (3) and described heating arrangement are placed in described heat-insulation system.
7. be used for measuring according to claim 6 the experimental provision of the junker mold coefficient of heat transfer, it is characterized in that, described heat-insulation system comprises: rustless steel container and high-temperature refractory;
Described chilled water system, described mold (2), described ingot casting (3) and described heating arrangement three are placed in described rustless steel container, and described high-temperature refractory is placed in described rustless steel container inwall place and is used for insulation.
8. be used for measuring according to claim 7 the experimental provision of the junker mold coefficient of heat transfer, it is characterized in that: described high-temperature refractory is refractory fiber cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555577 CN203011868U (en) | 2012-10-26 | 2012-10-26 | Experimental apparatus used for determining heat exchange coefficient of water cooling cast mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555577 CN203011868U (en) | 2012-10-26 | 2012-10-26 | Experimental apparatus used for determining heat exchange coefficient of water cooling cast mould |
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| Publication Number | Publication Date |
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| CN203011868U true CN203011868U (en) | 2013-06-19 |
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| CN 201220555577 Expired - Fee Related CN203011868U (en) | 2012-10-26 | 2012-10-26 | Experimental apparatus used for determining heat exchange coefficient of water cooling cast mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928461A (en) * | 2012-10-26 | 2013-02-13 | 中冶南方工程技术有限公司 | Experiment device for detecting heat exchange coefficient of water cooling mould |
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2012
- 2012-10-26 CN CN 201220555577 patent/CN203011868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928461A (en) * | 2012-10-26 | 2013-02-13 | 中冶南方工程技术有限公司 | Experiment device for detecting heat exchange coefficient of water cooling mould |
| CN102928461B (en) * | 2012-10-26 | 2015-11-11 | 中冶南方工程技术有限公司 | For measuring the experimental provision of the junker mold coefficient of heat transfer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181026 |