CN203409212U - Device for measuring heat exchange coefficient of secondary cooling area in casting process - Google Patents
Device for measuring heat exchange coefficient of secondary cooling area in casting process Download PDFInfo
- Publication number
- CN203409212U CN203409212U CN201320397325.9U CN201320397325U CN203409212U CN 203409212 U CN203409212 U CN 203409212U CN 201320397325 U CN201320397325 U CN 201320397325U CN 203409212 U CN203409212 U CN 203409212U
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- cooling water
- water system
- casting process
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- ingot casting
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Abstract
The utility model relates to a device for measuring a heat exchange coefficient of a secondary cooling area in a casting process. The device comprises a base for placing an ingot, a lifting platform, a cooling water system and thermo-couple wire pairs, wherein the lifting platform is arranged beside a station for placing the ingot on the base and is provided with a perpendicular guide groove; a guide pillar of the cooling water system is arranged in the guide groove; a driving device and a lifter are arranged on the lifting platform and are in transmission connection; the lifter is in drive connection with the cooling water system to drive the cooling water system to move up and down; a plurality of rows of thermo-couple wire pairs in the ingot are connected to a temperature recorder. According to the device, the cooling water system is driven by the driving device to move up and down, and has angle, water flow and pressure adjustment functions, so that the influence of cooling water on the temperature of the ingot under different conditions in an aluminum alloy casting process is measured; the device is high in mechanical automation control level, and convenient and safe in measurement and operation.
Description
Technical field
The utility model relates to tube heat transfer coefficient measuring device between a kind of aluminum alloy semi-continuous casting process ingot casting and cooling water, belongs to fluid heat transferring technical field.
Background technology
In aluminum alloy semi-continuous casting process, cooling water not only affects top layer and the internal soundness of ingot casting on the cooling effect of ingot casting, also be the important factor in order that the casting flaws such as crackle and the wide facial disfigurement of slab produce, therefore determining rational cooling water system and strengthening is the emphasis that aluminum alloy semi-continuous casting process is studied concern always to the control of intensity of cooling.
In aluminum alloy semi-continuous casting process, the coefficient of heat transfer is the parameter that characterizes intensity of cooling, heat-exchange system generally accurately obtains the nearly surface temperature of ingot casting by test, a kind of can continuous mechanical automatic control device, the variation that can effectively measure ingot casting temperature in cooling water splash process.
Utility model content
The purpose of this utility model is to provide tube heat transfer coefficient measuring device between a kind of aluminum alloy semi-continuous casting process ingot casting and cooling water, can realize rate of heat exchange, strength control between casting process cooling water and ingot casting.
The purpose of this utility model is achieved through the following technical solutions:
For casting process two cooling zone tube heat transfer coefficient measuring devices, feature is: comprise that base, hoistable platform, cooling water system for the placing ingot casting thermometric line of unifying is even, on base, place the other hoistable platform that is provided with of station of ingot casting, hoistable platform is provided with vertically to gathering sill, the lead of cooling water system is placed in gathering sill, drive unit and lift are installed on hoistable platform, drive unit and lift are in transmission connection, lift drives to be connected with cooling water system and drives it to move up and down, for being placed on the coupled moisture recorder that is connected to of many rows thermometric line in ingot casting.
Further, above-mentioned for casting process two cooling zone tube heat transfer coefficient measuring devices, wherein, described cooling water system is provided with row's adjustable-angle nozzle.
Further, above-mentioned for casting process two cooling zone tube heat transfer coefficient measuring devices, wherein, on described cooling water system, travel switch is set.
Again further, above-mentioned for casting process two cooling zone tube heat transfer coefficient measuring devices, wherein, the inlet pipeline of described cooling water system is provided with water ga(u)ge and Pressure gauge.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progressive being mainly reflected in:
The utility model cooling water system drives it to move up and down by drive unit, and cooling water system has, and angle is adjustable, discharge and pressure adjusting function, realizing cooling water under aluminium alloy casting process different condition measures the impact of ingot casting temperature, this device for mechanical automatic control level is high, measures and easy to operate and safety.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: the utility model device master looks schematic diagram;
Fig. 2: the utility model device schematic side view;
The A-A cross-sectional schematic of Fig. 3: Fig. 1.
The specific embodiment
As Fig. 1, shown in Fig. 2, for casting process two cooling zone tube heat transfer coefficient measuring devices, comprise for placing the base 2 of ingot casting 1, hoistable platform 5, cooling water system 6 and thermometric line are even, on base 2, place the other hoistable platform 5 that is provided with of station of ingot casting, hoistable platform 5 is provided with vertically to gathering sill, as shown in Figure 3, the lead 7 of cooling water system 6 is placed in gathering sill, drive unit 3 and lift 4 are installed on hoistable platform 5, drive unit 3 is in transmission connection with lift 4, lift 4 drives to be connected with cooling water system 6 and drives it to move up and down, for being placed on the coupled moisture recorder that is connected to of many rows thermometric line of 1 li, ingot casting, thermometric line is even measures and obtains casting process in real time through water cooling ingot surface temperature, realize the temperature data record of the interior point for measuring temperature of ingot casting in ingot casting sample heating and cooling water system water spray process.Heat exchange between simulation cooling water and ingot casting.Drive unit regulates cooling water system to move up and down speed by frequency converter, meets casting process speed and controls requirement.
Carry out the two cold-zone coefficients of heat transfer while measuring test, by being positioned over fast on base 2 with thermometric line idol the ingot casting 1 that is heated to uniform temperature, by base guide groove and three direction locating pieces of ingot casting, the distance of ingot casting sample and water spout is definite.
Open cooling water water intaking valve, and start drive unit 3, by adapter sleeve, drive lift 4, lift 4 drives cooling water system 6 to move up and down along gathering sill, cooling water system is sprayed onto ingot casting 1 surface from jet hole by cooling water according to the water yield, the angle that regulate, and cooling water system 6 runs to lower working position from upper working position, under the effect of lower stroke switch limit protection, in lower working position standard, stop, measuring process finishes; Otherwise close cooling water water intaking valve, reverse starting drive unit, cooling water system 6 is climbed to upper working position from lower working position, under upper stroke switch limit protection, in upper working position standard, stops, and finish a measuring period.So repeatedly, constantly regulating the speed of service, water spray angle, injection flow rate, water spray distance etc. to carry out repeatedly the coefficient of heat transfer between ingot casting and cooling water measures.
For cooling water in guarantee test is with certain flow, certain angle splash is to ingot casting 1 surface, accurately heat exchange between ingot casting and cooling water in simulation D.C.casting process, water injector water spray right-hand member square toes by cooling water system 6 rotate, and regulate nozzle and the ingot casting angle on water pistol according to being arranged on dial above combined isolator, when spraying water, angular adjustment is good, by lock-screw fixed angle position, need again adjusting angle to unclamp screw, continue rotary water jet right-hand member head square toes, the satisfied test needs angle of spraying water, in spray chamber water inlet, be provided with flowmeter and Pressure gauge, the convenient cooling water of controlling, waste water is collected and is discharged by water tank.
Many row's thermometric lines are even to be placed in ingot casting and to be connected to moisture recorder, records at any time and shows that process of the test is sprayed onto ingot surface temperature from cooling water system and changes, and by data processing, measuring the coefficient of heat transfer calculating between ingot casting and cooling water.
In sum, two cold-zone tube heat transfer coefficient measuring device overall structures are compact, connection and reasonable arrangement, and simple in structure, automaticity is high, measures easy to operate; Frequency-changing speed regulation driver, guide post setting realize measuring process mechanical automation and any adjusting of speed is controlled, guaranteed water injector flexible movements, steadily lifting; Water injector nozzle, angle regulator can be realized different cooling waters to the requirement of ingot casting intensity of cooling; Ingot casting temperature measuring equipment facilitates temperature measurement data online acquisition, processing and record, is a kind of practical device that between semi-continuous casting process ingot casting and cooling water, heat exchange is measured that effectively carries out.
It is to be understood that: the above is only preferred embodiment of the present utility model; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. for casting process two cooling zone tube heat transfer coefficient measuring devices, it is characterized in that: comprise the base (2) for placing ingot casting, hoistable platform (5), cooling water system (6) and thermometric line are even, the upper other hoistable platform (5) that is provided with of station of placing ingot casting of base (2), hoistable platform (5) is provided with vertically to gathering sill, the lead (7) of cooling water system (6) is placed in gathering sill, drive unit (3) and lift (4) are installed on hoistable platform (5), drive unit (3) is in transmission connection with lift (4), lift (4) drives to be connected with cooling water system (6) and drives it to move up and down, for being placed on the coupled moisture recorder that is connected to of many rows thermometric line in ingot casting.
2. according to claim 1 for casting process two cooling zone tube heat transfer coefficient measuring devices, it is characterized in that: described cooling water system (6) is provided with row's adjustable-angle nozzle.
3. according to claim 1 for casting process two cooling zone tube heat transfer coefficient measuring devices, it is characterized in that: described cooling water system arranges travel switch on (6).
4. according to claim 1 for casting process two cooling zone tube heat transfer coefficient measuring devices, it is characterized in that: the inlet pipeline of described cooling water system (6) is provided with water ga(u)ge and Pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397325.9U CN203409212U (en) | 2013-07-05 | 2013-07-05 | Device for measuring heat exchange coefficient of secondary cooling area in casting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397325.9U CN203409212U (en) | 2013-07-05 | 2013-07-05 | Device for measuring heat exchange coefficient of secondary cooling area in casting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203409212U true CN203409212U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320397325.9U Expired - Fee Related CN203409212U (en) | 2013-07-05 | 2013-07-05 | Device for measuring heat exchange coefficient of secondary cooling area in casting process |
Country Status (1)
| Country | Link |
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| CN (1) | CN203409212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357834A (en) * | 2013-07-05 | 2013-10-23 | 苏州有色金属研究院有限公司 | Dual-cooling-space heat exchange coefficient measurement device used in casting process |
-
2013
- 2013-07-05 CN CN201320397325.9U patent/CN203409212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357834A (en) * | 2013-07-05 | 2013-10-23 | 苏州有色金属研究院有限公司 | Dual-cooling-space heat exchange coefficient measurement device used in casting process |
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Legal Events
| 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 |
Granted publication date: 20140129 Termination date: 20180705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |