CN204237567U - A kind of efficient super thick tungsten carbide powder production carbide furnace - Google Patents
A kind of efficient super thick tungsten carbide powder production carbide furnace Download PDFInfo
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- CN204237567U CN204237567U CN201420751464.1U CN201420751464U CN204237567U CN 204237567 U CN204237567 U CN 204237567U CN 201420751464 U CN201420751464 U CN 201420751464U CN 204237567 U CN204237567 U CN 204237567U
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Abstract
The utility model relates to a kind of carbide furnace, is specifically related to a kind of efficient super thick tungsten carbide powder production carbide furnace, includes carbonized furnace device, tungsten powder device, carbon powder device and PLC control system.Described carbonized furnace device includes carbide furnace (11), temperature sensor (10), heated base (15), valve III (17), gas blow pipe (12), air suction pipe (14), recirculation blower (13) and filtering membrane (19), temperature sensor (10) is provided with in carbide furnace (11), the bottom of carbide furnace (11) is provided with heated base (15) and discharge port (16), discharge port (16) is provided with valve III (17), recirculation blower (13) is connected by the bottom of gas blow pipe (12) with carbide furnace (11) right side wall, the utility model adopts the mode of pneumatic blending, make tungsten carbon mix become evenly, process automation, step is simple, consuming time short, and do not pollute by introduced contaminants.
Description
Technical field
The utility model relates to a kind of carbide furnace, is specifically related to a kind of efficient super thick tungsten carbide powder production carbide furnace.
Background technology
The super thick tungsten carbide powder of high-quality is often made into super thick tungsten base cemented carbide, and this kind of alloy has the advantages such as good intensity and toughness, be widely used in petroleum drilling and mining, the fields such as miner's tool, press tool, hard material.
Domestic traditional super thick tungsten carbide powder preparation method is: with smart tungsten powder and carbon black for raw material, be dry mixed with ball mill, and fully extrusion forming after mixing, then puts into carbide furnace and carry out high temperature cabonization, carry out ball milling again and sieve after carbonization.This technology production process relative complex, length consuming time, easily be mixed into impurity, and primary ball milling join in carbon easily occur tungsten carbon mixing uneven, cause in carbonization process, occurring segregation, the phenomenon that carbon black is impermeable, carbon content is low, carry out ball milling again if follow-up and join carbon, the Fisher particle size of super thick tungsten carbide powder can be reduced, do not reach the standard of super thick tungsten carbide powder.
Utility model content
(1) technical problem that will solve
The utility model in order to overcome prior art length consuming time, have impurity, tungsten carbon mixes uneven shortcoming, the technical problems to be solved in the utility model is to provide the efficient super thick tungsten carbide powder production carbide furnace that a kind of short, inclusion-free, tungsten carbon consuming time mix.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of so efficient super thick tungsten carbide powder production carbide furnace, includes carbonized furnace device, tungsten powder device and carbon powder device;
Described carbonized furnace device includes carbide furnace, temperature sensor, heated base, valve III, gas blow pipe, air suction pipe, recirculation blower and filtering membrane, temperature sensor is provided with in carbide furnace, the bottom of carbide furnace is provided with heated base and discharge port, discharge port is provided with valve III, recirculation blower is connected by the bottom of gas blow pipe with carbide furnace right side wall, recirculation blower is connected by the top of air suction pipe with carbide furnace left side wall, and the suction port of air suction pipe is provided with filtering membrane;
Described tungsten powder device includes tungsten powder tank, tungsten powder pipe, preheater I and valve I, and tungsten powder tank is connected with carbide furnace top by tungsten powder pipe, and tungsten powder pipe is provided with preheater I and valve I;
Described carbon powder device includes carbon power pot, carbon dust pipe, preheater II, valve II and powder monitor, and the top of carbide furnace right side wall is provided with powder monitor, and carbon power pot is connected with powder monitor by carbon dust pipe, and carbon dust pipe is provided with preheater II and valve II;
Also include PLC control system, described preheater I, preheater II, powder monitor, temperature sensor, recirculation blower, heated base, valve I, valve II are all connected with PLC control system with valve III.
Preferably, described valve I, valve II and valve III is electromagnetic valve.
Principle of work: start PLC control system, PLC control system sends working signal and calculates warm up time to preheater I, preheater II and heater holder, preheater I and preheater II start to heat the tungsten powder in tungsten powder pipe and the carbon dust in carbon dust pipe respectively, heated base starts to heat the temperature improved in carbide furnace, makes tungsten powder and carbon dust can start in the moment entering carbide furnace to carry out carburizing reagent by preheating; Temperature in temperature sensor Real-Time Monitoring carbide furnace, and temperature data value is fed back to PLC control system, PLC control system, by regulating the operating power of heated base, makes the internal temperature of carbide furnace maintain certain limit;
When PLC control system detects that warm up time reaches set(ting)value, send working signal and calculate feed time, carbonization time to powder monitor, recirculation blower, valve I and valve II; Valve I and valve II are opened, and in tungsten powder pipe, pre-warmed tungsten powder falls into carbide furnace, and pre-warmed carbon dust is sprayed into the tungsten powder just falling into carbide furnace by powder monitor simultaneously, and tungsten powder and carbon dust mix for the first time and carry out carburizing reagent; Recirculation blower works, recirculation blower through air suction pipe from carbide furnace left side wall top draw air, because the suction port of air suction pipe is provided with filtering membrane, tungsten carbide powder, tungsten powder and carbon dust cannot enter in air suction pipe, ensure that air suction pipe, recirculation blower and gas blow pipe there will not be the situation of blocking; The air drawn blows out from the gas blow pipe of carbide furnace right side wall bottom again, the tungsten carbide powder particle, tungsten powder and the carbon dust that are deposited on heated base is blown afloat, and has just entered the tungsten powder of carbide furnace and carbon dust secondary mixes with top; The tungsten powder new by the tungsten carbide powder particle surface uniform adhesion blown afloat and carbon dust, new tungsten powder and carbon dust proceed carburizing reagent, new one deck tungsten carbide powder is generated at original tungsten carbide powder particle surface, and combine together with original tungsten carbide powder particle, increase the nucleus of tungsten carbide powder particle gradually, the super thick tungsten carbide powder of final formation; In carbonization process, when PLC control system detects that feed time reaches set(ting)value, send stop signal to preheater II, valve II and powder monitor, preheater II and powder monitor quit work, and valve II is closed, after for some time, PLC control system sends stop signal again to preheater I and valve I, preheater I quits work, and valve I is closed, and PLC control system controls the blending ratio of tungsten powder and carbon dust by the turn-off time of regulated valve I and valve II;
When PLC control system detects that carbonization time reaches set(ting)value, send stop signal to recirculation blower and heated base, recirculation blower and heated base quit work, and then send working signal to valve III, valve III is opened, and the super thick tungsten carbide powder in carbide furnace carries out discharging by discharge port.
(3) beneficial effect
Powder monitor and recirculation blower serve the effect of pneumatic blending, make tungsten carbon mix become evenly, tungsten powder and carbon dust is made evenly to be coated on tungsten carbide powder particle surface, continue to form tungsten carbide powder, both ensure that the Fisher particle size of super thick tungsten carbide powder, also solve segregation, carbon black is impermeable, carbon content is low phenomenon; Whole process, without the need to manually, controls automatically by PLC control system, and charging, high temperature cabonization, discharging three steps are carried out in same closed unit, and step is simple, consuming time short, and does not pollute by introduced contaminants.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Being labeled as in accompanying drawing: 1-tungsten powder tank, 2-carbon power pot, 3-preheater I, 4-tungsten powder pipe, 5-valve I, 6-powder monitor, 7-carbon dust pipe, 8-preheater II, 9-valve II, 10-temperature sensor, 11-carbide furnace, 12-gas blow pipe, 13-recirculation blower, 14-air suction pipe, 15-heated base, 16-discharge port, 17-valve III, 18-tungsten carbide powder, 19-filtering membrane.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
embodiment 1
A kind of efficient super thick tungsten carbide powder production carbide furnace, as shown in Figure 1, includes carbonized furnace device, tungsten powder device and carbon powder device;
Carbonized furnace device includes carbide furnace 11, temperature sensor 10, heated base 15, valve III 17, gas blow pipe 12, air suction pipe 14, recirculation blower 13 and filtering membrane 19, temperature sensor 10 is provided with in carbide furnace 11, the bottom of carbide furnace 11 is provided with heated base 15 and discharge port 16, discharge port 16 is provided with valve III 17, recirculation blower 13 is connected with the bottom of carbide furnace 11 right side wall by gas blow pipe 12, recirculation blower 13 is connected with the top of carbide furnace 11 left side wall by air suction pipe 14, and the suction port of air suction pipe 14 is provided with filtering membrane 19;
Tungsten powder device includes tungsten powder tank 1, tungsten powder pipe 4, preheater I 3 and valve I 5, and tungsten powder tank 1 is connected with carbide furnace 11 top by tungsten powder pipe 4, and tungsten powder pipe 4 is provided with preheater I 3 and valve I 5;
Carbon powder device includes carbon power pot 2, carbon dust pipe 7, preheater II 8, valve II 9 and powder monitor 6, and the top of carbide furnace 11 right side wall is provided with powder monitor 6, and carbon power pot 2 is connected with powder monitor 6 by carbon dust pipe 7, and carbon dust pipe 7 is provided with preheater II 8 and valve II 9;
Also include PLC control system, preheater I 3, preheater II 8, powder monitor 6, temperature sensor 10, recirculation blower 13, heated base 15, valve I 5, valve II 9 are all connected with PLC control system with valve III 17, and valve I 5, valve II 9 and valve III 17 is electromagnetic valve.
embodiment 2
A kind of efficient super thick tungsten carbide powder production carbide furnace, as shown in Figure 1, includes carbonized furnace device, tungsten powder device and carbon powder device;
Carbonized furnace device includes carbide furnace 11, temperature sensor 10, heated base 15, valve III 17, gas blow pipe 12, air suction pipe 14, recirculation blower 13 and filtering membrane 19, temperature sensor 10 is provided with in carbide furnace 11, the bottom of carbide furnace 11 is provided with heated base 15 and discharge port 16, discharge port 16 is provided with valve III 17, recirculation blower 13 is connected with the bottom of carbide furnace 11 right side wall by gas blow pipe 12, recirculation blower 13 is connected with the top of carbide furnace 11 left side wall by air suction pipe 14, and the suction port of air suction pipe 14 is provided with filtering membrane 19;
Tungsten powder device includes tungsten powder tank 1, tungsten powder pipe 4, preheater I 3 and valve I 5, and tungsten powder tank 1 is connected with carbide furnace 11 top by tungsten powder pipe 4, and tungsten powder pipe 4 is provided with preheater I 3 and valve I 5;
Carbon powder device includes carbon power pot 2, carbon dust pipe 7, preheater II 8, valve II 9 and powder monitor 6, and the top of carbide furnace 11 right side wall is provided with powder monitor 6, and carbon power pot 2 is connected with powder monitor 6 by carbon dust pipe 7, and carbon dust pipe 7 is provided with preheater II 8 and valve II 9;
Also include PLC control system, preheater I 3, preheater II 8, powder monitor 6, temperature sensor 10, recirculation blower 13, heated base 15, valve I 5, valve II 9 are all connected with PLC control system with valve III 17, and valve I 5, valve II 9 and valve III 17 is electromagnetic valve.
Start PLC control system, PLC control system sends working signal and calculates warm up time to preheater I 3, preheater II 8 and heater holder 15, preheater I 3 and preheater II 8 start to heat the tungsten powder in tungsten powder pipe 4 and the carbon dust in carbon dust pipe 7 respectively, heated base 15 starts to heat the temperature improved in carbide furnace 11, makes tungsten powder and carbon dust can start in the moment entering carbide furnace 11 to carry out carburizing reagent by preheating; Temperature in temperature sensor 10 Real-Time Monitoring carbide furnace 11, and temperature data value is fed back to PLC control system, PLC control system, by regulating the operating power of heated base 15, makes the internal temperature of carbide furnace 11 maintain certain limit;
When PLC control system detects that warm up time reaches set(ting)value, send working signal and calculate feed time, carbonization time to powder monitor 6, recirculation blower 13, valve I 5 and valve II 9; Valve I 5 and valve II 9 are opened, and in tungsten powder pipe 4, pre-warmed tungsten powder falls into carbide furnace 11, and pre-warmed carbon dust is sprayed into the tungsten powder just falling into carbide furnace 11 by powder monitor 6 simultaneously, and tungsten powder and carbon dust mix for the first time and carry out carburizing reagent; Recirculation blower 13 works, recirculation blower 13 through air suction pipe 14 from carbide furnace 11 left side wall top draw air, suction port due to air suction pipe 14 is provided with filtering membrane 19, tungsten carbide powder, tungsten powder and carbon dust cannot enter in air suction pipe 14, ensure that air suction pipe 14, recirculation blower 13 and gas blow pipe 12 there will not be the situation of blocking; The air drawn blows out from the gas blow pipe 12 of carbide furnace 11 right side wall bottom again, the tungsten carbide powder particle, tungsten powder and the carbon dust that are deposited on heated base 15 is blown afloat, and has just entered the tungsten powder of carbide furnace 11 and carbon dust secondary mixes with top; The tungsten powder new by the tungsten carbide powder particle surface uniform adhesion blown afloat and carbon dust, new tungsten powder and carbon dust proceed carburizing reagent, new one deck tungsten carbide powder is generated at original tungsten carbide powder particle surface, and combine together with original tungsten carbide powder particle, increase the nucleus of tungsten carbide powder particle gradually, the super thick tungsten carbide powder of final formation; In carbonization process, when PLC control system detects that feed time reaches set(ting)value, send stop signal to preheater II 8, valve II 9 and powder monitor 6, preheater II 8 and powder monitor 6 quit work, and valve II 9 is closed, after for some time, PLC control system sends stop signal again to preheater I 3 and valve I 5, preheater I 3 quits work, and valve I 5 is closed, and PLC control system controls the blending ratio of tungsten powder and carbon dust by the turn-off time of regulated valve I 5 and valve II 9;
When PLC control system detects that carbonization time reaches set(ting)value, send stop signal to recirculation blower 13 and heated base 15, recirculation blower 13 and heated base 15 quit work, and then send working signal to valve III 17, valve III 17 is opened, and the super thick tungsten carbide powder in carbide furnace 11 carries out discharging by discharge port 16.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (2)
1. an efficient super thick tungsten carbide powder production carbide furnace, is characterized in that, include carbonized furnace device, tungsten powder device and carbon powder device;
Described carbonized furnace device includes carbide furnace (11), temperature sensor (10), heated base (15), valve III (17), gas blow pipe (12), air suction pipe (14), recirculation blower (13) and filtering membrane (19), temperature sensor (10) is provided with in carbide furnace (11), the bottom of carbide furnace (11) is provided with heated base (15) and discharge port (16), discharge port (16) is provided with valve III (17), recirculation blower (13) is connected by the bottom of gas blow pipe (12) with carbide furnace (11) right side wall, recirculation blower (13) is connected by the top of air suction pipe (14) with carbide furnace (11) left side wall, the suction port of air suction pipe (14) is provided with filtering membrane (19),
Described tungsten powder device includes tungsten powder tank (1), tungsten powder pipe (4), preheater I (3) and valve I (5), tungsten powder tank (1) is connected with carbide furnace (11) top by tungsten powder pipe (4), and tungsten powder pipe (4) is provided with preheater I (3) and valve I (5);
Described carbon powder device includes carbon power pot (2), carbon dust pipe (7), preheater II (8), valve II (9) and powder monitor (6), the top of carbide furnace (11) right side wall is provided with powder monitor (6), carbon power pot (2) is connected with powder monitor (6) by carbon dust pipe (7), and carbon dust pipe (7) is provided with preheater II (8) and valve II (9);
Also include PLC control system, described preheater I (3), preheater II (8), powder monitor (6), temperature sensor (10), recirculation blower (13), heated base (15), valve I (5), valve II (9) are all connected with PLC control system with valve III (17).
2. the efficiently super thick tungsten carbide powder production carbide furnace of one according to claim 1, it is characterized in that, described valve I (5), valve II (9) and valve III (17) are electromagnetic valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751464.1U CN204237567U (en) | 2014-12-04 | 2014-12-04 | A kind of efficient super thick tungsten carbide powder production carbide furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420751464.1U CN204237567U (en) | 2014-12-04 | 2014-12-04 | A kind of efficient super thick tungsten carbide powder production carbide furnace |
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| CN204237567U true CN204237567U (en) | 2015-04-01 |
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| CN201420751464.1U Expired - Fee Related CN204237567U (en) | 2014-12-04 | 2014-12-04 | A kind of efficient super thick tungsten carbide powder production carbide furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083280A (en) * | 2017-12-22 | 2018-05-29 | 江苏民和机械制造有限公司 | A kind of efficiently super thick tungsten carbide powder production carbide furnace |
| CN111398347A (en) * | 2020-03-02 | 2020-07-10 | 武汉理工大学 | Device and method for measuring temperature rise of carbonization reaction |
-
2014
- 2014-12-04 CN CN201420751464.1U patent/CN204237567U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083280A (en) * | 2017-12-22 | 2018-05-29 | 江苏民和机械制造有限公司 | A kind of efficiently super thick tungsten carbide powder production carbide furnace |
| CN111398347A (en) * | 2020-03-02 | 2020-07-10 | 武汉理工大学 | Device and method for measuring temperature rise of carbonization reaction |
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| Date | Code | Title | Description |
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| 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: 20150401 Termination date: 20191204 |