CN202786326U - Molten steel temperature measuring mechanism - Google Patents
Molten steel temperature measuring mechanism Download PDFInfo
- Publication number
- CN202786326U CN202786326U CN201220420086.XU CN201220420086U CN202786326U CN 202786326 U CN202786326 U CN 202786326U CN 201220420086 U CN201220420086 U CN 201220420086U CN 202786326 U CN202786326 U CN 202786326U
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- thermometric
- temperature measuring
- thermocouple
- valve
- vacuum
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Abstract
A molten steel temperature measuring mechanism belongs to the technical field of vacuum furnaces, and includes a vacuum ball valve, an auxiliary temperature measuring chamber, a thermocouple assembly, a temperature measuring shaft assembly and a temperature measuring shaft driving device, wherein the auxiliary temperature measuring chamber includes a main body, a door, a vacuum exhaust valve, an inflation protection valve, a deflation valve, a vacuum manometer and a pirani gage; the thermocouple assembly includes a quick response thermocouple, a compensating lead wire, a thermocouple US connector and a temperature display instrument; the temperature measuring shaft assembly includes a temperature measuring rod and a shaft-used seal box with the lubricating function; the temperature measuring shaft driving device includes a reducing motor, a pulley assembly, a temperature measuring drive shaft clamping block, a rail, a protective cover and a limit switch; and the pulley assembly includes a pulley, a guide rail and a chain. Compared with the prior art, the molten steel temperature measuring mechanism has the benefits that semicontinuous temperature measurement is realized, the thermocouple can be replaced quickly, the response time of the thermocouple is fast (within 5 seconds), and the temperature measurement is accurate.
Description
Technical field
The utility model belongs to the vacuum oven technical field, particularly a kind of molten steel temperature measuring mechanism.
Background technology
At present, the thermometric mode that the molten steel thermometric is commonly used, a kind of is thermometric outside stove.Namely can select optical pyrometer, infrared thermometer by vision slit, the temperature of metal melting liquid level in the indirect measurement stove.This kind thermometric mode be subjected to furnace inner environment (such as the glass material of vision slit, adhere to dirt, the volatile matter dust during fusing, the condition influence such as the molten state of liquid level, the resultant error of measuring is larger, often needs that it is carried out the modes such as temperature compensation and remedies.
Another kind is thermometric under vacuum state.It directly measures and is melted the metallic solution temperature by the Special temperature measurement device.When damaging, this thermometric mode thermopair can not change the thermopair time of response slow (more than 15 seconds).
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, and a kind of thermometric that can realize semi continuous is provided, the thermopair fast changeable, and the thermopair time of response is fast, and thermometric is temperature measuring mechanism accurately.
The technical solution adopted in the utility model comprises Vacuum ball valve, thermometric ancillary chamber, thermocouple assembly, thermometric shaft assembly and thermometric axial brake device;
The thermometric ancillary chamber comprises body, door, vacuum exhaust valve, gas-filled protective valve, venting valve, vacuum pressure gauge and Pirani gauge;
Thermocouple assembly comprises quick response thermopair, compensating lead wire, thermopair US joint and temperature display meter;
The thermometric shaft assembly comprises the thermometric bar and with the axle watertight chest of lubricating function;
The thermometric axial brake device comprises reducing motor, pulley assembly, thermometric drive shaft fixture block, track, shield cap and limit switch;
Pulley assembly comprises pulley, guide rail and chain;
Wherein, thermometric ancillary chamber body is fixing in orbit; Vacuum ball valve is installed in the lower end of thermometric ancillary chamber body; on the thermometric ancillary chamber body door is installed; the vacuum exhaust valve; the gas-filled protective valve; the venting valve; vacuum pressure gauge and Pirani gauge; the thermometric bar is inserted in the thermometric ancillary chamber body with watertight chest by the axle with lubricating function; thermopair is installed in the lower end of thermometric bar; thermopair is drawn thermometric ancillary chamber body by compensating lead wire; and by being installed in the thermopair US joint connection temperature display meter on the thermometric bar; the upper end of thermometric bar is installed on the thermometric drive shaft fixture block; thermometric drive shaft fixture block is installed on the pulley of pulley assembly, reducing motor; shield cap and limit switch are installed in orbit.
The utility model compared with prior art beneficial effect is: can realize the thermometric of semi continuous, and the thermopair fast changeable, the thermopair time of response fast (in 5 seconds), thermometric is accurate.
Description of drawings
Fig. 1 is the utility model structural representation;
Among the figure 1, Vacuum ball valve, 2, the thermometric ancillary chamber, 3, thermocouple assembly, 4, the thermometric shaft assembly, 5, the thermometric axial brake device;
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, this mechanism comprises Vacuum ball valve 1, thermometric ancillary chamber 2, thermocouple assembly 3, thermometric shaft assembly 4 and thermometric axial brake device 5;
The thermometric ancillary chamber comprises body, door, vacuum exhaust valve, gas-filled protective valve, venting valve, vacuum pressure gauge and Pirani gauge;
Thermocouple assembly comprises quick response thermopair, compensating lead wire, thermopair US joint and temperature display meter;
The thermometric shaft assembly comprises the thermometric bar and with the axle watertight chest of lubricating function;
The thermometric axial brake device comprises reducing motor, pulley assembly, the thermometric drive shaft fixture block with the band brake of Frequency Converter Control, track, shield cap and limit switch;
Pulley assembly comprises pulley, guide rail and chain;
Wherein, track is fixed on the tested container; thermometric ancillary chamber body is fixing in orbit; Vacuum ball valve 1 is installed in the lower end of thermometric ancillary chamber body; on the thermometric ancillary chamber body door is installed; the vacuum exhaust valve; the gas-filled protective valve; the venting valve; vacuum pressure gauge and Pirani gauge; the thermometric bar is inserted in the thermometric ancillary chamber body with watertight chest by the axle with lubricating function; thermopair is installed in the lower end of thermometric bar; thermopair is drawn thermometric ancillary chamber body by compensating lead wire; and by being installed in the thermopair US joint connection temperature display meter on the thermometric bar; the upper end of thermometric bar is installed on the thermometric drive shaft fixture block; thermometric drive shaft fixture block is installed on the pulley of pulley assembly, reducing motor; shield cap and limit switch are installed in orbit.
Working process of the present utility model: in the melting material, the thermometric ancillary chamber body of finding time.The thermometric ancillary chamber is below the pressure of regulation, after material in the crucible melts also refining end fully, prepare thermometric, at first reach identical with working chamber's pressure to thermometric ancillary chamber applying argon gas, open Vacuum ball valve, by decline pushbutton enable reducing motor, by pulley assembly, the thermometric bar drops to the speed reducing switch position and automatically stops, automatically transfer crawl control to, continue by the decline button, thermopair arrives molten steel top, release button, treat after several seconds that melting thermometer displays temperature reaches about 500 ℃, continue by the decline button, until thermocouple head inserts in the molten steel fully, observe temperature display meter Temperature numerical stable rear (about 3～5 seconds of time), by rising pushbutton enable reducing motor and pulley assembly, automatically stop behind lifting position-limit, close Vacuum ball valve, thermometric finishes.Melt the liquid temp value and both can read by the registering instrument on main control panel, also can read by near the temperature display meter temperature measuring mechanism simultaneously.
If dissatisfied to primary temperature-measuring results, can carry out the second time by said sequence, for the third time ... thermometric.Until reach processing requirement.
If the quick response thermopair in the thermometric process in the thermocouple assembly damages or comes off, can close Vacuum ball valve, open the venting valve of thermometric ancillary chamber, destroy vacuum, open the door of thermometric ancillary chamber, change or reinstall the quick response thermopair in the thermocouple assembly, close the door of thermometric ancillary chamber, the pressure of the thermometric ancillary chamber arrival regulation of finding time repeats said sequence and carries out the thermometric operation.
Claims (1)
1. a molten steel temperature measuring mechanism comprises Vacuum ball valve, thermometric ancillary chamber, thermocouple assembly, thermometric shaft assembly and thermometric axial brake device;
The thermometric ancillary chamber comprises body, door, vacuum exhaust valve, gas-filled protective valve, venting valve, vacuum pressure gauge and Pirani gauge;
Thermocouple assembly comprises quick response thermopair, compensating lead wire, thermopair US joint and temperature display meter;
The thermometric shaft assembly comprises the thermometric bar and with the axle watertight chest of lubricating function;
The thermometric axial brake device comprises reducing motor, pulley assembly, thermometric drive shaft fixture block, track, shield cap and limit switch;
Pulley assembly comprises pulley, guide rail and chain;
Wherein, thermometric ancillary chamber body is fixing in orbit; Vacuum ball valve is installed in the lower end of thermometric ancillary chamber body; on the thermometric ancillary chamber body door is installed; the vacuum exhaust valve; the gas-filled protective valve; the venting valve; vacuum pressure gauge and Pirani gauge; the thermometric bar is inserted in the thermometric ancillary chamber body with watertight chest by the axle with lubricating function; thermopair is installed in the lower end of thermometric bar; thermopair is drawn thermometric ancillary chamber body by compensating lead wire; and by being installed in the thermopair US joint connection temperature display meter on the thermometric bar; the upper end of thermometric bar is installed on the thermometric drive shaft fixture block; thermometric drive shaft fixture block is installed on the pulley of pulley assembly, reducing motor; shield cap and limit switch are installed in orbit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220420086.XU CN202786326U (en) | 2012-08-23 | 2012-08-23 | Molten steel temperature measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220420086.XU CN202786326U (en) | 2012-08-23 | 2012-08-23 | Molten steel temperature measuring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786326U true CN202786326U (en) | 2013-03-13 |
Family
ID=47813629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220420086.XU Expired - Fee Related CN202786326U (en) | 2012-08-23 | 2012-08-23 | Molten steel temperature measuring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202786326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917980A (en) * | 2018-05-09 | 2018-11-30 | 海尔优家智能科技（北京）有限公司 | A kind of micro-wave temperature detection method, device, medium and computer equipment |
| CN110487433A (en) * | 2019-09-04 | 2019-11-22 | 东北大学 | A kind of vacuum oil quenching workpiece temperature on-line measurement system |
-
2012
- 2012-08-23 CN CN201220420086.XU patent/CN202786326U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917980A (en) * | 2018-05-09 | 2018-11-30 | 海尔优家智能科技（北京）有限公司 | A kind of micro-wave temperature detection method, device, medium and computer equipment |
| CN110487433A (en) * | 2019-09-04 | 2019-11-22 | 东北大学 | A kind of vacuum oil quenching workpiece temperature on-line measurement system |
| CN110487433B (en) * | 2019-09-04 | 2024-04-09 | 东北大学 | Vacuum oil quenching workpiece temperature on-line measuring system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170823 |