CN204752941U - Carbide furnace protective gas automatic control device - Google Patents
Carbide furnace protective gas automatic control device Download PDFInfo
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- CN204752941U CN204752941U CN201520413566.7U CN201520413566U CN204752941U CN 204752941 U CN204752941 U CN 204752941U CN 201520413566 U CN201520413566 U CN 201520413566U CN 204752941 U CN204752941 U CN 204752941U
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- protective gas
- carbide furnace
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Abstract
The utility model relates to a carbide furnace protective gas automatic control device belongs to the apparatus for producing field of carbon fiber. The delivery outlet of liquid nitrogen storage tank connects the protective gas transfer valve, the protective gas transfer valve is through protective gas output pipe connector protective gas flow control valve, the gas transmission mouth of pipe connector carbide furnace is carried to the shielding gas flow governing valve through protective gas, the input hole of pipe connector incinerator is exported to the waste gas delivery outlet of carbide furnace through waste gas, the smoke discharge hole of incinerator is through the system fan, flue gas discharge pipe connector chimney, be equipped with protective gas temperature sensor and protective gas pressure sensor in the protective gas output tube, be equipped with the protective gas flow sensor in the protective gas conveyer pipe, be equipped with waste gas pressure sensor in the waste gas output tube, be equipped with waste gas temperature sensor in the flue gas discharge pipe, install carbide furnace protective gas pressure sensor in the carbide furnace, oxygen analysis appearance is installed to the carbide furnace dew point position of carbide furnace.
Description
Technical field
The utility model relates to the process units field of carbon fiber, is a kind of carbide furnace protective gas automaton in detail.
Background technology
As everyone knows, carbon fiber is fibrous Carbon Materials, there is high specific strength, high ratio modulus, high temperature resistant, resistance to ablation, endurance, a series of excellent properties such as the low and thermal coefficient of expansion of creep resistant, conduction, heat conduction, density is little, has a wide range of applications in the high-tech such as Aeronautics and Astronautics, satellite, military project.
The suitability for industrialized production of high-performance carbon fibre the country forming series of products is Japan and the U.S..The output of toray company (Toray) graphite fibre occupies first place in the world, and represents the highest level of PAN base carbon fibre.The current high performance graphite fiber of China is still in the development stage, and level has a long way to go compared with abroad.
At present, carbonization technique equipment crucial in the production of carbon fiber is carbide furnace, and carbide furnace comprises: low temperature oven (maximum operating temperature reaches 900 DEG C), and (maximum operating temperature reaches carbide furnace, 1800 DEG C), super carbide furnace (maximum operating temperature reaches 3000 DEG C).The insulation material of carbide furnace mainly adopts the materials such as ceramic fibre, graphite carbon felt (comprising hard felt and soft felt), graphite to make, and the oxidation threshold values of carbon and graphite material is approximately respectively 350 DEG C and 450 DEG C.During higher than this temperature, these materials become and are easy to oxidation.Therefore, carbon and graphite material must run all the time in non-oxidizing atmosphere.If carbon fiber can cause the phenomenon of fracture of wire or hydraulic performance decline in carbonisation in conjunction with oxygen in addition.Therefore protective gas is stable, reliable, not only affects the service life that product quality also can affect equipment.Realize stablizing by full automatic control system, reliably, the air feed of safety, serialization.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of carbide furnace protective gas automaton, and protective gas administration measure, air supply system are adjustable, controlled, and carbide furnace use gas is stable, reliable.
The utility model solves the technical scheme that its technical problem adopts: a kind of carbide furnace protective gas automaton, be provided with nitrogen purification devices processed, nitrogen purification devices processed is connected with liquid nitrogen storage tank, it is characterized in that, the delivery outlet of liquid nitrogen storage tank connects protective gas transfer valve, protective gas transfer valve connects shield gas flow rate control valve through protective gas efferent duct, shield gas flow rate control valve connects the blowing mouth of carbide furnace through protective gas carrier pipe, the waste gas delivery outlet of carbide furnace connects the input hole of incinerator through exhaust output tube, the exhaust smoke hole of incinerator is through system fan, smoke discharge tube connects chimney, protective gas temperature sensor and protective gas pressure sensor is provided with in protective gas efferent duct, shield gas flow rate sensor is provided with in protective gas carrier pipe, PFE Exhaust Pressure Transducer is provided with in exhaust output tube, exhaust gas temperature sensor is provided with in smoke discharge tube, carbide furnace protective gas pressure sensor is installed in carbide furnace, the carbide furnace dew point position of carbide furnace is provided with oxygen analyser, protective gas temperature sensor, protective gas pressure sensor, shield gas flow rate sensor, carbide furnace protective gas pressure sensor, oxygen analyser, PFE Exhaust Pressure Transducer, exhaust gas temperature sensor connects the data input pin of DCS control system, the data output end of DCS control system connects protective gas transfer valve, shield gas flow rate control valve, the control circuit of system fan and alarm.
The beneficial effects of the utility model are, protective gas administration measure, air supply system are adjustable, controlled, and carbide furnace use gas is stable, reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
1. nitrogen purification devices processed in figure, 2. liquid nitrogen storage tank, 3. protective gas transfer valve, 4. protective gas temperature sensor, 5. protective gas pressure sensor, 6. shield gas flow rate control valve, 7. shield gas flow rate sensor, 8. carbide furnace, 9. carbide furnace protective gas pressure sensor, 10. oxygen analyser, 11. PFE Exhaust Pressure Transducers, 12. incinerators, 13. system fans, 14. exhaust gas temperature sensors, 15. chimneys, 16.DCS control system, 17. alarms, 18. protective gas efferent ducts, 19. protective gas carrier pipes, 20. exhaust output tubes, 21. smoke discharge tubes.
Detailed description of the invention
In FIG, the utility model is provided with nitrogen purification devices 1 processed, nitrogen purification devices 1 processed is connected with liquid nitrogen storage tank 2, the delivery outlet of liquid nitrogen storage tank 2 connects protective gas transfer valve 3, protective gas transfer valve 3 connects shield gas flow rate control valve 6 through protective gas efferent duct 18, shield gas flow rate control valve 6 connects the blowing mouth of carbide furnace 8 through protective gas carrier pipe 19, the waste gas delivery outlet of carbide furnace 8 connects the input hole of incinerator 12 through exhaust output tube 20, the exhaust smoke hole of incinerator 12 is through system fan 13, smoke discharge tube 21 connects chimney 15, protective gas temperature sensor 4 and protective gas pressure sensor 5 is provided with in protective gas efferent duct 18, shield gas flow rate sensor 7 is provided with in protective gas carrier pipe 19, PFE Exhaust Pressure Transducer 11 is provided with in exhaust output tube 20, exhaust gas temperature sensor 14 is provided with in smoke discharge tube 21, carbide furnace protective gas pressure sensor 9 is installed in carbide furnace 8, the carbide furnace dew point position of carbide furnace 8 is provided with oxygen analyser 10, protective gas temperature sensor 4, protective gas pressure sensor 5, shield gas flow rate sensor 7, carbide furnace protective gas pressure sensor 9, oxygen analyser 10, PFE Exhaust Pressure Transducer 11, exhaust gas temperature sensor 14 connects the data input pin of DCS control system 16, the data output end of DCS control system 16 connects protective gas transfer valve 3, shield gas flow rate control valve 6, the control circuit of system fan 13 and alarm 17.
The utility model is automatically controlled by DCS control system 16 and monitors parameters; comprising the purity, flow, pressure etc. of protective gas manufacture process; the temperature, pressure etc. of protective gas course of conveying; the purity that protective gas uses online, flow, pressure, dew point etc.; the various process parameters such as temperature, flow, pressure of incinerator exhaust treatment system, thus the object ensureing the stable operation of whole system long-term safety.
Claims (1)
1. a carbide furnace protective gas automaton, be provided with nitrogen purification devices processed, nitrogen purification devices processed is connected with liquid nitrogen storage tank, it is characterized in that: the delivery outlet of liquid nitrogen storage tank connects protective gas transfer valve, protective gas transfer valve connects shield gas flow rate control valve through protective gas efferent duct, shield gas flow rate control valve connects the blowing mouth of carbide furnace through protective gas carrier pipe, the waste gas delivery outlet of carbide furnace connects the input hole of incinerator through exhaust output tube, the exhaust smoke hole of incinerator is through system fan, smoke discharge tube connects chimney, protective gas temperature sensor and protective gas pressure sensor is provided with in protective gas efferent duct, shield gas flow rate sensor is provided with in protective gas carrier pipe, PFE Exhaust Pressure Transducer is provided with in exhaust output tube, exhaust gas temperature sensor is provided with in smoke discharge tube, carbide furnace protective gas pressure sensor is installed in carbide furnace, the carbide furnace dew point position of carbide furnace is provided with oxygen analyser, protective gas temperature sensor, protective gas pressure sensor, shield gas flow rate sensor, carbide furnace protective gas pressure sensor, oxygen analyser, PFE Exhaust Pressure Transducer, exhaust gas temperature sensor connects the data input pin of DCS control system, the data output end of DCS control system connects protective gas transfer valve, shield gas flow rate control valve, the control circuit of system fan and alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413566.7U CN204752941U (en) | 2015-06-16 | 2015-06-16 | Carbide furnace protective gas automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413566.7U CN204752941U (en) | 2015-06-16 | 2015-06-16 | Carbide furnace protective gas automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204752941U true CN204752941U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520413566.7U Active CN204752941U (en) | 2015-06-16 | 2015-06-16 | Carbide furnace protective gas automatic control device |
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| CN (1) | CN204752941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967504A (en) * | 2016-02-03 | 2016-09-28 | 蚌埠凯盛工程技术有限公司 | Ultra-thin float glass production line tin bath protective gas intelligent control system |
| CN107938029A (en) * | 2017-12-22 | 2018-04-20 | 江苏民和机械制造有限公司 | Carbide furnace protective gas automaton |
-
2015
- 2015-06-16 CN CN201520413566.7U patent/CN204752941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967504A (en) * | 2016-02-03 | 2016-09-28 | 蚌埠凯盛工程技术有限公司 | Ultra-thin float glass production line tin bath protective gas intelligent control system |
| CN107938029A (en) * | 2017-12-22 | 2018-04-20 | 江苏民和机械制造有限公司 | Carbide furnace protective gas automaton |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |