CN203116547U - Hydrogen saving device for sintering molypiece - Google Patents
Hydrogen saving device for sintering molypiece Download PDFInfo
- Publication number
- CN203116547U CN203116547U CN 201220723193 CN201220723193U CN203116547U CN 203116547 U CN203116547 U CN 203116547U CN 201220723193 CN201220723193 CN 201220723193 CN 201220723193 U CN201220723193 U CN 201220723193U CN 203116547 U CN203116547 U CN 203116547U
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- hydrogen
- sintering
- control valve
- temperature
- temperature sensor
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Abstract
The utility model discloses a hydrogen saving device for sintering a molypiece. The hydrogen saving device comprises a sintering furnace body and a hydrogen inlet pipe which is communicated with the sintering furnace body, wherein a cavity of the sintering furnace body is internally provided with a temperature sensor, the hydrogen inlet pipe is connected with an air inlet control valve in series, the air inlet control valve and the temperature sensor are both electrically connected with a computer controller, the temperature sensor is a temperature thermocouple type sensor, and the air inlet control valve is an electromagnetic flow control valve. According to the hydrogen saving device disclosed by the utility model, the control for the inlet amount of hydrogen along with sintering temperature can be realized, and thus the using cost of the hydrogen is greatly saved.
Description
Technical field
The utility model relates to a kind of intermediate frequency sintering furnace for molybdenum bar sintering, relates in particular to the device of the saving protectiveness hydrogen of intermediate frequency sintering furnace.
Technical background
The intermediate frequency sintering furnace is to utilize the principle of Frequency Induction Heating that material is heated, its homogeneous heating, and the material core table temperature difference is minimum, uses the computer temperature control system and can realize accuracy control over temperature, thereby improve the quality of products effectively and qualification rate.The intermediate frequency sintering furnace is as a kind of high efficiency molybdenum bar high-temperature sintering apparatus, and sintering efficient is very high.
In order to guarantee molybdenum bar purity, reduce thermal losses, and the protection body of heater, all in stove, feed hydrogen in the overall process of sintering molybdenum bar.Because the single sintering time is generally about 48 hours, and maximum temperature is up to 2000 ℃, and its heat-agglomerating process is divided into slow intensification, insulation and temperature-fall period.But its hydrogen feeding amount is all calculated hydrogen feeding amount with maximum temperature in the prior art, this constant hydrogen feeding amount, though better satisfied the amounts of hydrogen of hot stage, at the intensification temperature-fall period, more having more than needed appears in its hydrogen quantity delivered, forms bigger sources of hydrogen waste.In general the hot stage hydrogen flowing quantity need reach 6 cubic meters/hours, and whole process is calculated like this, and sintering once needs to consume 288 cubes of hydrogen.Under the overall background of energy-saving and emission-reduction, improve the utilization rate of hydrogen, reducing cost is that those skilled in the art make great efforts the problem thought deeply always.
The utility model content
At the above-mentioned deficiency of existing in prior technology, technical problem to be solved in the utility model provides a kind ofly can regulate the molybdenum bar sintering joint hydrogen production device of hydrogen feeding amount with the sintering furnace heating-up temperature.
In order to solve the problems of the technologies described above, molybdenum bar sintering joint hydrogen production device of the present utility model, comprise the sintering body of heater, and be communicated in hydrogen air inlet pipe on the sintering body of heater, in the chamber of described sintering body of heater, be provided with temperature sensor, be serially connected with air intake control valve in described hydrogen air inlet pipe, this air intake control valve and temperature sensor all are electrically connected with computer controller.
Described temperature sensor is temperature thermocouple formula sensor.Described air intake control valve is the Electromagnetic Flow control valve.
In above-mentioned molybdenum bar sintering joint hydrogen production device, owing to be provided with temperature sensor in the sintering furnace fluid chamber, be serially connected with air intake control valve on the hydrogen air inlet pipe, and both all are electrically connected with computer controller, in the sintering process of molybdenum bar, the furnace chamber temperature that computer controller just can record according to temperature sensor, and the valve opening of definite air intake control valve, in the process that sintering furnace has just begun slowly to heat up, progressively improve hydrogen flowing quantity according to temperature, in the soaking period, increase the certain high value of hydrogen flowing quantity, as 6 cubic meters/hours, at temperature-fall period, according to the flow that progressively reduces hydrogen of temperature.Computer controller can reach the purpose that reduces half hydrogen use amount according to the programed temperature of setting and the matching relationship of hydrogen flowing quantity in the whole process.Thereby very accurately realize regulating with the sintering furnace heating-up temperature feeding amount of hydrogen, reduced the hydrogen use amount effectively, reduce the hydrogen loss.
Description of drawings
Below in conjunction with accompanying drawing and concrete enforcement the utility model molybdenum bar sintering joint hydrogen production device is described in further detail.
Fig. 1 is the structural representation of the utility model molybdenum bar sintering joint hydrogen production device.
Among the figure, 1-sintering body of heater, 2-temperature sensor, 3-hydrogen blast pipe, 4-hydrogen release firearm, 5-hydrogen air inlet pipe, 6-hydrogen flowmeter, 7-air intake control valve, 8-sources of hydrogen pipeline, 9-computer controller.
The specific embodiment
In molybdenum bar sintering joint hydrogen production device shown in Figure 1, be provided with temperature sensor 2 in the furnace chamber chamber of sintering body of heater 1, this temperature sensor 2 is temperature thermocouple formula sensor.Bottom position at sintering body of heater 1 is communicated with hydrogen release firearm 4 by hydrogen blast pipe 3.Sources of hydrogen pipeline 8 connects in the chamber of sintering body of heater 1 through air intake control valve 7, hydrogen flowmeter 6 and hydrogen air inlet pipe 5 successively.Air intake control valve 7 is selected common Electromagnetic Flow control valve for use.This air intake control valve 7 and temperature sensor 2 all are electrically connected with computer controller 9.
During molybdenum bar sintering, preestablish a temperature program(me) at first for computer controller 9, and the hydrogen flowing quantity of each temperature correspondence, the temperature signal that temperature sensor 2 records induction is passed to computer controller 9, computer controller 9 is according to the temperature valve opening size of regulating air intake control valve 7 in good time in the program of setting and the body of heater, makes it the hydrogen flowing quantity that reaches predetermined, and the single sintering measures the hydrogen flowing quantity situation and shows after 48 hours, consumption is about 150 cubic metres, saves cost greatly.
Claims (3)
1. a molybdenum bar sintering saves hydrogen production device, comprise sintering body of heater (1), and be communicated in hydrogen air inlet pipe (5) on the sintering body of heater (1), it is characterized in that: in the chamber of described sintering body of heater (1), be provided with temperature sensor (2), be serially connected with air intake control valve (7) in described hydrogen air inlet pipe (5), this air intake control valve (7) and temperature sensor (2) all are electrically connected with computer controller (9).
2. molybdenum bar sintering according to claim 1 saves hydrogen production device, and it is characterized in that: described temperature sensor (2) is temperature thermocouple formula sensor.
3. molybdenum bar sintering according to claim 1 saves hydrogen production device, and it is characterized in that: described air intake control valve (7) is the Electromagnetic Flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723193 CN203116547U (en) | 2012-12-25 | 2012-12-25 | Hydrogen saving device for sintering molypiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723193 CN203116547U (en) | 2012-12-25 | 2012-12-25 | Hydrogen saving device for sintering molypiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116547U true CN203116547U (en) | 2013-08-07 |
Family
ID=48896883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220723193 Expired - Fee Related CN203116547U (en) | 2012-12-25 | 2012-12-25 | Hydrogen saving device for sintering molypiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116547U (en) |
-
2012
- 2012-12-25 CN CN 201220723193 patent/CN203116547U/en not_active Expired - Fee Related
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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: 20130807 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |