CN101319848A - Carbon tube furnace and its heating method, and electromagnetic induction sintering equipment - Google Patents
Carbon tube furnace and its heating method, and electromagnetic induction sintering equipment Download PDFInfo
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- CN101319848A CN101319848A CNA2007100545395A CN200710054539A CN101319848A CN 101319848 A CN101319848 A CN 101319848A CN A2007100545395 A CNA2007100545395 A CN A2007100545395A CN 200710054539 A CN200710054539 A CN 200710054539A CN 101319848 A CN101319848 A CN 101319848A
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Abstract
The invention relates to a heating method of a carbon tube furnace and the device thereof, in particular to an electromagnetic induction heating method of the carbon tube furnace, an electromagnetic induction carbon tube furnace, and an electromagnetic induction sintering device. The electromagnetic induction carbon tube furnace comprises a casing, a hollow carbon tube and a power supply control circuit. The middle part of the hollow carbon tube is installed in the casing. An electromagnetic induction coil which is sheathed outside the hollow carbon tube is also arranged in the casing. An insulating layer, a heat-insulating layer and an air-insulating layer are arranged between the electromagnetic induction coil and the hollow carbon tube. The casing consists of an external casing and an internal shielding casing. The output end of the power supply control circuit is connected with electromagnetic induction coil. The electromagnetic induction sintering device comprises an electromagnetic induction carbon tube furnace and a bracket thereof, a propelling device, a pre-heating device, a cooling device, a cooling liquid endless set and a control cabinet. The pre-heating device and the cooling device are connected and communicated respectively with the work tube and the hollow carbon tube in the furnace. The invention provides an electromagnetic induction carbon tube furnace and an electromagnetic induction sintering device which has small energy consumption, high efficiency and good environmental protection performance.
Description
(1), technical field:
The present invention relates to a kind of heating means and equipment of carbon shirt-circuiting furnace, particularly relate to a kind of electromagnetic-induction heating method and electromagnetic induction carbon shirt-circuiting furnace and electromagnetic induction sintering equipment of carbon shirt-circuiting furnace.
(2), background technology:
At present, use carbon shirt-circuiting furnace that material is carried out sintering mostly in the sintering industry, adopt in bigger low tension of electric current of the two ends of carbon pipe adding of existing carbon shirt-circuiting furnace makes carbon pipe conductive exothermal more, thereby the material in the carbon pipe is heated, because the electric current in the carbon pipe is bigger, these just need be at two huge copper electrodes of two terminations of carbon pipe, an ancient egg-shaped, holed wind instrument is not bad under the environment of big electric current and high temperature in order to make copper electrode, also the cooling water bag to be installed outside copper electrode, heat is recycled water and takes away so greatly, not only influence the temperature at carbon pipe two ends, and increased energy consumption; Moreover, owing to adopted the method heating carbon pipe that makes carbon pipe conduction, just make that the programming rate of carbon pipe is slow, once heating up often needs for a long time, thereby has influenced operating efficiency; Also have, the insulation material of existing carbon shirt-circuiting furnace body of heater is selected carbon dust usually for use, the flowability of carbon dust and permeability are very strong, therefore carbon dust is easy to leak when maintenance, replacing carbon pipe, not only pollute surrounding environment but also maintenance personal's health is caused damage, and carbon dust also is easy to make the thermometric passage to stop up, and influences the accuracy of thermometric.
(3), summary of the invention:
The technical problem to be solved in the present invention is: overcome the defective of prior art, provide that a kind of energy consumption is little, efficient is high, the electromagnetic-induction heating method of the carbon shirt-circuiting furnace of good environmental protection and electromagnetic induction carbon shirt-circuiting furnace and electromagnetic induction sintering equipment.
Technical scheme of the present invention:
A kind of electromagnetic-induction heating method of carbon shirt-circuiting furnace, suit electromagnetic induction coil outside the carbon pipe of carbon shirt-circuiting furnace, add certain voltage value then at the electromagnetic induction coil two ends, the alternating voltage of certain frequency makes electromagnetic induction coil produce alternating magnetic field, this alternating magnetic field produces eddy current in the carbon pipe, make the heating of carbon pipe, thereby the material in the carbon pipe is heated, be provided with thermal insulation layer between described electromagnetic induction coil and the described carbon pipe, thermal insulation layer is the thermostable heat insulation material, be provided with insulating barrier between thermal insulation layer and the electromagnetic induction coil, the outer periphery of described electromagnetic induction coil is equipped with screen layer, and screen layer is a NULL.
Be provided with vapour barrier between the outer surface of thermal insulation layer and carbon pipe, vapour barrier is a gas impermeable material, alternating voltage is produced by thyristor inversion circuit or intermediate frequency generator, and the magnitude of voltage of alternating voltage is 100 volts～500 volts, and the frequency of alternating voltage is 800 hertz～6000 hertz.
A kind of electromagnetic induction carbon shirt-circuiting furnace; contain housing; hollow carbon pipe and power control circuit; the mid portion of hollow carbon pipe is installed in the housing; also contain electromagnetic induction coil in the housing; electromagnetic induction coil is sleeved on outside the hollow carbon pipe; be provided with thermal insulation layer between electromagnetic induction coil and the hollow carbon pipe; be provided with insulating barrier between thermal insulation layer and the electromagnetic induction coil; housing contains outer shell and internal layer shielding case; form the gas shield chamber between internal layer shielding case and the electromagnetic induction coil; around the gas shield chamber, be provided with the interlayer cooling chamber of sealing; the outer wall of interlayer cooling chamber is provided with cooling liquid inlet and cooling liquid outlet; power control circuit is thyristor inversion circuit or intermediate frequency generator, and the alternating voltage output of power control circuit is connected with the two ends of electromagnetic induction coil.
The interlayer cooling chamber contains the vertical cooling chamber and the horizontal cooling chamber that is positioned at hollow carbon pipe both sides around electromagnetic induction coil; vertically be provided with cooling liquid inlet and cooling liquid outlet on the outer wall of cooling chamber and horizontal cooling chamber; be provided with vapour barrier between the outer surface of thermal insulation layer and hollow carbon pipe; the lead of electromagnetic induction coil is a hollow-core construction; diametric(al) in the middle part of the hollow carbon pipe is also passed insulating barrier; thermal insulation layer and vapour barrier are equipped with interior hollow pipe; at the right opposite of interior hollow pipe and pass housing hollow outer tube is installed; hollow outer tube is provided with the thermometric window in the exit of housing outer wall; the material of thermometric window is a light transmissive material; the outside of thermometric window is provided with the infrared thermometry probe; between internal layer shielding case and electromagnetic induction coil, be provided with the fixed support of some; fixed support one end is fixedlyed connected with the internal layer shielding case; the other end is equipped with insulating base; insulating base is fixedlyed connected with electromagnetic induction coil; housing is provided with gas shield chamber inlet tube and gas shield chamber outlet, and gas shield chamber inlet tube and gas shield chamber outlet pass the interlayer cooling chamber and be communicated with the gas shield chamber.
The two ends of electromagnetic induction coil are provided with insulation board in the exit of housing, fixedly connected with the hollow binding post on the insulation board in the two ends of electromagnetic induction coil, the sidewall of hollow outer tube is provided with cleaning air inlet and cleaning gas outlet, is full of circulating cooling liquid in the lead of interlayer cooling chamber and electromagnetic induction coil.
The material of hollow carbon pipe is a graphite; The material of vapour barrier is a graphite paper; The material of thermal insulation layer is the charcoal fiber, or is the charcoal felt; The material of insulating barrier is a mica paper; The material of thermometric window is a glass; The hollow carbon pipe is pipe or square tube; Circulating cooling liquid is a recirculated cooling water.
The thyristor inversion circuit contains rectification module, inversion module and control module, the output of rectification module is connected with the input of inversion module, the output of inversion module is connected with the two ends of electromagnetic induction coil, and the delivery outlet of control module is controlled the utmost point with rectification module with the silicon controlled in the inversion module and is connected; The silicon controlled model is KP100A/1600V～KP1000A/1600V in the rectification module, the silicon controlled model is KK100A/1800V～KK1000A/1800V in the inversion module, control module contains the heating in medium frequency control panel, the model of heating in medium frequency control panel is PB-787-2.2, and manufacturer is Song Shan, a Zhengzhou Electric Applicance Co., Ltd.
A kind of electromagnetic induction sintering equipment that contains described electromagnetic induction carbon shirt-circuiting furnace, also contain propulsion plant, preheating device, cooling device, coolant circulation unit, switch board and electromagnetic induction carbon shirt-circuiting furnace support, preheating device, coaxial and sintering chamber of composition that interconnects and be connected together of the hollow carbon pipe of the instrumentation tubes of body of heater and electromagnetic induction carbon shirt-circuiting furnace in the cooling device, propulsion plant is in the front portion of preheating device, the electromagnetic induction carbon shirt-circuiting furnace is in the rear portion of preheating device, cooling device is in the rear portion of electromagnetic induction carbon shirt-circuiting furnace, propulsion plant contains propeller, push rod and propeller bracket, propeller is arranged on the propeller bracket, push rod is connected with propeller, preheating device contains preheating furnace and preheating furnace support, cooling device contains cool furnace and cool furnace support, coolant circulation unit contains water pump and conduit, cool furnace contains the cool furnace housing and is positioned at the cool furnace instrumentation tubes of cool furnace housing, the cool furnace housing is an interlayer cooling housing, and the cool furnace housing is provided with cooling liquid inlet and cooling liquid outlet; Switch board contains Propeling Equipment Control circuit, electromagnetic induction carbon shirt-circuiting furnace control circuit and coolant circulation unit control circuit, and electromagnetic induction carbon shirt-circuiting furnace control circuit contains the power control circuit and the temperature-control circuit of electromagnetic induction carbon shirt-circuiting furnace; One end of the electromagnetic induction coil of the cooling liquid inlet of electromagnetic induction carbon shirt-circuiting furnace and cool furnace and electromagnetic induction carbon shirt-circuiting furnace is connected with the outlet of coolant circulation unit, and the other end of the cooling liquid outlet of electromagnetic induction carbon shirt-circuiting furnace and cool furnace and the electromagnetic induction coil of electromagnetic induction carbon shirt-circuiting furnace is connected with the import of coolant circulation unit; The output of Propeling Equipment Control circuit is connected with propeller, the alternating voltage output of power control circuit is connected with the two ends of the electromagnetic induction coil of electromagnetic induction carbon shirt-circuiting furnace, the input of temperature-control circuit is connected with the infrared thermometry probe of electromagnetic induction carbon shirt-circuiting furnace, and the output of coolant circulation unit control circuit is connected with coolant circulation unit.
Preheating furnace contains the preheating furnace housing and is positioned at preheating furnace instrumentation tubes, refractory layer and the heat-insulation layer of preheating furnace enclosure interior, and refractory layer is arranged on the periphery of preheating furnace instrumentation tubes, and heat-insulation layer is arranged on the periphery of refractory layer, is provided with resistance heating element in the refractory layer; Switch board also contains output of preheating device power supply and temperature-control circuit, the power output end of output of preheating device power supply and temperature-control circuit is connected with resistance heating element, and the temperature signal input of output of preheating device power supply and temperature-control circuit is connected with the preheating furnace temperature sensor; Propeller can be driven or be driven by the driven by motor leading screw by hydraulic unit driver; One end of the hollow carbon pipe of electromagnetic induction carbon shirt-circuiting furnace is connected with the preheating furnace instrumentation tubes and is coaxial, the other end of hollow carbon pipe is connected with the cool furnace instrumentation tubes and is coaxial, the hollow carbon pipe of preheating furnace instrumentation tubes and electromagnetic induction carbon shirt-circuiting furnace is same pipe or is not same pipe that the hollow carbon pipe of cool furnace instrumentation tubes and electromagnetic induction carbon shirt-circuiting furnace is same pipe or is not same pipe.
Cool furnace is provided with sintering chamber air inlet, and preheating furnace is provided with sintering chamber exhaust outlet, and sintering chamber air inlet and sintering chamber exhaust outlet are communicated with the sintering chamber; The sintering feed import is arranged on the preheating furnace and with the sintering chamber and is communicated with, and the sintering feed outlet is arranged on the cool furnace and with the sintering chamber and is communicated with; Sintering feed import and sintering feed exit are provided with air curtain or end cap; The material of refractory layer is that abnormity floats the pearl high-alumina brick; The material of heat-insulation layer is the alumina silicate fibre hardboard; Resistance heating element is a heating wire, or is Elema, or is Si-Mo rod; The preheating furnace temperature sensor is a thermocouple; Switch board contains intelligent digital display controller table.
Beneficial effect of the present invention:
1. the electromagnetic-induction heating method of carbon shirt-circuiting furnace of the present invention adopts electromagnetic induction principle that the carbon pipe is heated, two huge copper electrodes in the existing carbon shirt-circuiting furnace have been avoided using, the energy consumption of carbon shirt-circuiting furnace is reduced greatly, compare energy-conservation more than 30% with the carbon shirt-circuiting furnace of existing resistance heated mode, adopt electromagnetic-induction heating method simultaneously, make the programming rate of carbon pipe fast, rise to 2000 degree from room temperature, and with the time less than 1 hour, thereby production efficiency is improved.
2. electromagnetic induction carbon shirt-circuiting furnace of the present invention adopts the heat-barrier material of the charcoal fiber of curing as the carbon pipe, safeguarding, when changing the carbon pipe surrounding environment not being caused any pollution, also can maintenance personal's health not caused damage.
3. electromagnetic induction carbon shirt-circuiting furnace of the present invention adopts the heat-barrier material of the charcoal fiber of curing as the carbon pipe, is difficult for making the thermometric passage to stop up, and makes temperature survey more accurate, thereby makes the product quality of producing better.
4. the control circuit of the switch board of electromagnetic induction sintering equipment of the present invention is intelligent high, makes the automaticity height of the whole system course of work, and labor intensity of operating personnel reduces greatly.
(4), description of drawings:
Fig. 1 is the structural representation of electromagnetic induction carbon shirt-circuiting furnace;
Fig. 2 is the structure for amplifying schematic diagram of A-A cutaway view;
Fig. 3 is the operation principle schematic diagram of thyristor inversion circuit;
Fig. 4 is one of structural representation of electromagnetic induction sintering equipment;
Fig. 5 be the electromagnetic induction sintering equipment structural representation two;
Fig. 6 is one of operation principle block diagram of switch board;
Fig. 7 be switch board the operation principle block diagram two;
(5), the specific embodiment:
Embodiment one: referring to Fig. 1～Fig. 4; Fig. 6; among the figure; the electromagnetic induction carbon shirt-circuiting furnace contains housing; hollow carbon pipe 1 and power control circuit; the mid portion of hollow carbon pipe 1 is installed in the housing; also contain electromagnetic induction coil 2 in the housing; electromagnetic induction coil 2 is sleeved on outside the hollow carbon pipe 1; be provided with thermal insulation layer 3 between electromagnetic induction coil 2 and the hollow carbon pipe 1; be provided with insulating barrier 4 between thermal insulation layer 3 and the electromagnetic induction coil 2; housing contains outer shell 7 and internal layer shielding case 5; form gas shield chamber 26 between internal layer shielding case 5 and the electromagnetic induction coil 2; around gas shield chamber 26, be provided with the interlayer cooling chamber of sealing; the outer wall of interlayer cooling chamber is provided with cooling liquid inlet and cooling liquid outlet; power control circuit is the thyristor inversion circuit, the alternating voltage output Q1 of thyristor inversion circuit; Q2 is connected with the two ends of electromagnetic induction coil 2.
The interlayer cooling chamber contains the vertical cooling chamber 28 and the horizontal cooling chamber 27 that is positioned at hollow carbon pipe 1 both sides around electromagnetic induction coil 2; vertically the outer wall of cooling chamber 28 is provided with cooling liquid inlet 20 and cooling liquid outlet 19; laterally the outer wall of cooling chamber 27 is provided with cooling liquid inlet 16; 18 and cooling liquid outlet 15; 17; be provided with vapour barrier 6 between the outer surface of thermal insulation layer 3 and hollow carbon pipe 1; the lead of electromagnetic induction coil 2 is a hollow-core construction; in the diametric(al) at hollow carbon pipe 1 middle part and pass insulating barrier 4; thermal insulation layer 3 and vapour barrier 6 are equipped with interior hollow pipe 9; at the right opposite of interior hollow pipe 9 and pass housing hollow outer tube 8 is installed; hollow outer tube 8 is provided with thermometric window 11 in the exit of housing outer wall; the material of thermometric window 11 is a glass; the outside of thermometric window 11 is provided with infrared thermometry probe 12; between internal layer shielding case 5 and electromagnetic induction coil 2, be provided with three fixed supports 13; fixed support 13 1 ends are fixedlyed connected with internal layer shielding case 5; the other end is equipped with insulating base 14; insulating base 14 is fixedlyed connected with electromagnetic induction coil 2; housing is provided with gas shield chamber inlet tube 22 and gas shield chamber outlet 21, and gas shield chamber inlet tube 22 and gas shield chamber outlet 21 pass vertical cooling chamber 28 and be communicated with gas shield chamber 26.
The two ends of electromagnetic induction coil 2 are provided with insulation board 10 in the exit of housing, one end of electromagnetic induction coil 2 is fixedlyed connected with the hollow binding post 25 on the insulation board 10, the other end is fixedlyed connected with another the hollow binding post on the insulation board 10, the sidewall of hollow outer tube 8 is provided with cleaning air inlet 23 and cleaning gas outlet 24, vertically is full of recirculated cooling water in the lead of cooling chamber 28, horizontal cooling chamber 27 and electromagnetic induction coil 2.
The material of hollow carbon pipe 1 is a graphite; The material of vapour barrier 6 is a graphite paper; The material of thermal insulation layer 3 is the charcoal fiber; The material of insulating barrier 4 is a mica paper; The hollow carbon pipe is a pipe.
The thyristor inversion circuit contains rectification module 40, inversion module 41 and control module 42, the output of rectification module 40 is connected with the input of inversion module 41, the output of inversion module 41 is connected with the two ends of electromagnetic induction coil 2, and the delivery outlet of control module 42 is controlled the utmost point with rectification module 40 with the silicon controlled in the inversion module 41 and is connected; The silicon controlled model is KP500A/1600V in the rectification module 40, the silicon controlled model is KK500A/1800V in the inversion module 41, control module 42 contains heating in medium frequency control panel A1, and the model of heating in medium frequency control panel A1 is PB-787-2.2, and manufacturer is Song Shan, a Zhengzhou Electric Applicance Co., Ltd.
The electromagnetic induction sintering equipment contains described electromagnetic induction carbon shirt-circuiting furnace 55, propulsion plant 30, preheating device 31, cooling device 33, coolant circulation unit, switch board and electromagnetic induction carbon shirt-circuiting furnace support 52, preheating device 31, hollow carbon pipe 1 coaxial and sintering chamber of composition that interconnects and be connected together of the instrumentation tubes of body of heater and electromagnetic induction carbon shirt-circuiting furnace 55 in the cooling device 33, propulsion plant 30 is in the front portion of preheating device 31, electromagnetic induction carbon shirt-circuiting furnace 55 is in the rear portion of preheating device 31, cooling device 33 is in the rear portion of electromagnetic induction carbon shirt-circuiting furnace 55, propulsion plant 30 contains propeller 35, push rod 67 and propeller bracket 50, propeller 35 is arranged on the propeller bracket 50, push rod 67 is connected with propeller 35, preheating device 31 contains preheating furnace 36 and preheating furnace support 51, cooling device 33 contains cool furnace 37 and cool furnace support 53, coolant circulation unit contains water pump and conduit, cool furnace 37 contains the cool furnace housing and is positioned at the cool furnace instrumentation tubes of cool furnace housing, the cool furnace housing is an interlayer cooling housing, and the cool furnace housing is provided with cooling liquid inlet 39,34 and cooling liquid outlet 38,32; Switch board contains Propeling Equipment Control circuit, electromagnetic induction carbon shirt-circuiting furnace control circuit and coolant circulation unit control circuit, and electromagnetic induction carbon shirt-circuiting furnace control circuit contains the power control circuit and the temperature-control circuit of electromagnetic induction carbon shirt-circuiting furnace 55; One end of the cooling liquid inlet 16,18,20 of electromagnetic induction carbon shirt-circuiting furnace 55 and the cooling liquid inlet 39,34 of cool furnace 37 and electromagnetic induction coil 2 is connected with the outlet of coolant circulation unit, and the other end of the cooling liquid outlet 15,17,19 of electromagnetic induction carbon shirt-circuiting furnace 55 and the cooling liquid outlet 38,32 of cool furnace and electromagnetic induction coil 2 is connected with the import of coolant circulation unit; The output of Propeling Equipment Control circuit is connected with propeller 35, the alternating voltage output of power control circuit is connected with electromagnetic induction coil 2 two ends of electromagnetic induction carbon shirt-circuiting furnace 55, the input of temperature-control circuit is connected with the infrared thermometry probe 12 of electromagnetic induction carbon shirt-circuiting furnace 55, and the output of coolant circulation unit control circuit is connected with coolant circulation unit.
Preheating furnace 36 contains the preheating furnace housing and is positioned at preheating furnace instrumentation tubes 60, refractory layer 61 and the heat-insulation layer 62 of preheating furnace enclosure interior, refractory layer 61 is arranged on the periphery of preheating furnace instrumentation tubes 60, heat-insulation layer 62 is arranged on the periphery of refractory layer 61, is provided with heating wire 63 in the refractory layer 61; Switch board also contains output of preheating device power supply and temperature-control circuit, the power output end of output of preheating device power supply and temperature-control circuit is connected with heating wire 63, and the temperature signal input of output of preheating device power supply and temperature-control circuit is connected with thermocouple 64; Propeller 35 is driven by hydraulic unit driver; One end of the hollow carbon pipe 1 of electromagnetic induction carbon shirt-circuiting furnace 55 is connected with the preheating furnace instrumentation tubes and is coaxial, the other end of hollow carbon pipe 1 is connected with the cool furnace instrumentation tubes and is coaxial, the hollow carbon pipe 1 of preheating furnace instrumentation tubes and electromagnetic induction carbon shirt-circuiting furnace 55 is not a same pipe, they are connected to each other by flange, the hollow carbon pipe 1 of cool furnace instrumentation tubes and electromagnetic induction carbon shirt-circuiting furnace 55 is not a same pipe, and they are connected to each other by flange.
When reality is used this sintering equipment, constantly sintering feed is put into sintering feed import 57, with propeller 35 sintering feed is pushed in the sintering chamber again, sintering feed will move to hollow carbon pipe 1 from preheating furnace instrumentation tubes 60 lentamente and move to the cool furnace instrumentation tubes again, come out from sintering feed outlet 58 at last, become finished product.
Embodiment two: referring to Fig. 1～Fig. 3, Fig. 5, Fig. 7, numbering is identical with embodiment one among the figure, and the meaning of representative is identical, and its course of work is also basic identical, something in common does not repeat, and difference is: preheating furnace does not contain refractory layer 61, heat-insulation layer 62, heating wire 63 and thermocouple 64; Propeller 35 is driven by the driven by motor leading screw; Sintering feed import 57 and sintering feed export 58 places and are provided with end cap, in case gas leak in the sintering chamber and extraneous gas enter in the sintering chamber, this electromagnetic induction sintering equipment is relatively simple for structure, and cost is lower.
Claims (10)
1. the electromagnetic-induction heating method of a carbon shirt-circuiting furnace, it is characterized in that: suit electromagnetic induction coil outside the carbon pipe of carbon shirt-circuiting furnace, add certain voltage value then at the electromagnetic induction coil two ends, the alternating voltage of certain frequency makes electromagnetic induction coil produce alternating magnetic field, this alternating magnetic field produces eddy current in the carbon pipe, make the heating of carbon pipe, thereby the material in the carbon pipe is heated, be provided with thermal insulation layer between described electromagnetic induction coil and the described carbon pipe, thermal insulation layer is the thermostable heat insulation material, be provided with insulating barrier between thermal insulation layer and the electromagnetic induction coil, the outer periphery of described electromagnetic induction coil is equipped with screen layer, and screen layer is a NULL.
2. the electromagnetic-induction heating method of carbon shirt-circuiting furnace according to claim 1, it is characterized in that: be provided with vapour barrier between the outer surface of described thermal insulation layer and carbon pipe, vapour barrier is a gas impermeable material, described alternating voltage is produced by thyristor inversion circuit or intermediate frequency generator, the magnitude of voltage of alternating voltage is 100 volts～500 volts, and the frequency of alternating voltage is 800 hertz～6000 hertz.
3. electromagnetic induction carbon shirt-circuiting furnace; contain housing; hollow carbon pipe and power control circuit; the mid portion of hollow carbon pipe is installed in the housing; it is characterized in that: also contain electromagnetic induction coil in the housing; electromagnetic induction coil is sleeved on outside the hollow carbon pipe; be provided with thermal insulation layer between electromagnetic induction coil and the hollow carbon pipe; be provided with insulating barrier between thermal insulation layer and the electromagnetic induction coil; housing contains outer shell and internal layer shielding case; form the gas shield chamber between internal layer shielding case and the electromagnetic induction coil; around the gas shield chamber, be provided with the interlayer cooling chamber of sealing; the outer wall of interlayer cooling chamber is provided with cooling liquid inlet and cooling liquid outlet; power control circuit is thyristor inversion circuit or intermediate frequency generator, and the alternating voltage output of power control circuit is connected with the two ends of electromagnetic induction coil.
4. electromagnetic induction carbon shirt-circuiting furnace according to claim 3; it is characterized in that: the interlayer cooling chamber contains the vertical cooling chamber and the horizontal cooling chamber that is positioned at hollow carbon pipe both sides around electromagnetic induction coil; vertically be provided with cooling liquid inlet and cooling liquid outlet on the outer wall of cooling chamber and horizontal cooling chamber; be provided with vapour barrier between the outer surface of thermal insulation layer and hollow carbon pipe; the lead of electromagnetic induction coil is a hollow-core construction; diametric(al) in the middle part of the hollow carbon pipe is also passed insulating barrier; thermal insulation layer and vapour barrier are equipped with interior hollow pipe; at the right opposite of interior hollow pipe and pass housing hollow outer tube is installed; hollow outer tube is provided with the thermometric window in the exit of housing outer wall; the material of thermometric window is a light transmissive material; the outside of thermometric window is provided with the infrared thermometry probe; between internal layer shielding case and electromagnetic induction coil, be provided with the fixed support of some; fixed support one end is fixedlyed connected with the internal layer shielding case; the other end is equipped with insulating base; insulating base is fixedlyed connected with electromagnetic induction coil; housing is provided with gas shield chamber inlet tube and gas shield chamber outlet, and gas shield chamber inlet tube and gas shield chamber outlet pass the interlayer cooling chamber and be communicated with the gas shield chamber.
5. according to claim 3 or 4 described electromagnetic induction carbon shirt-circuiting furnaces, it is characterized in that: the two ends of electromagnetic induction coil are provided with insulation board in the exit of housing, fixedly connected with the hollow binding post on the insulation board in the two ends of electromagnetic induction coil, the sidewall of hollow outer tube is provided with cleaning air inlet and cleaning gas outlet, is full of circulating cooling liquid in the lead of interlayer cooling chamber and electromagnetic induction coil.
6. electromagnetic induction carbon shirt-circuiting furnace according to claim 5 is characterized in that: the material of described hollow carbon pipe is a graphite; The material of described vapour barrier is a graphite paper; The material of described thermal insulation layer is the charcoal fiber, or is the charcoal felt; The material of described insulating barrier is a mica paper; The material of described thermometric window is a glass; Described hollow carbon pipe is pipe or square tube; Circulating cooling liquid is a recirculated cooling water.
7. electromagnetic induction carbon shirt-circuiting furnace according to claim 3, it is characterized in that: the thyristor inversion circuit contains rectification module, inversion module and control module, the output of rectification module is connected with the input of inversion module, the output of inversion module is connected with the two ends of electromagnetic induction coil, and the delivery outlet of control module is controlled the utmost point with rectification module with the silicon controlled in the inversion module and is connected; The silicon controlled model is KP100A/1600V～KP1000A/1600V in the rectification module, the silicon controlled model is KK100A/1800V～KK1000A/1800V in the inversion module, control module contains the heating in medium frequency control panel, and the model of heating in medium frequency control panel is PB-787-2.2.
8. electromagnetic induction sintering equipment that contains the described electromagnetic induction carbon shirt-circuiting furnace of claim 3, also contain propulsion plant, preheating device, cooling device, coolant circulation unit, switch board and electromagnetic induction carbon shirt-circuiting furnace support, preheating device, coaxial and sintering chamber of composition that interconnects and be connected together of the hollow carbon pipe of the instrumentation tubes of body of heater and electromagnetic induction carbon shirt-circuiting furnace in the cooling device, propulsion plant is in the front portion of preheating device, the electromagnetic induction carbon shirt-circuiting furnace is in the rear portion of preheating device, cooling device is in the rear portion of electromagnetic induction carbon shirt-circuiting furnace, propulsion plant contains propeller, push rod and propeller bracket, propeller is arranged on the propeller bracket, push rod is connected with propeller, preheating device contains preheating furnace and preheating furnace support, cooling device contains cool furnace and cool furnace support, coolant circulation unit contains water pump and conduit, it is characterized in that: cool furnace contains the cool furnace housing and is positioned at the cool furnace instrumentation tubes of cool furnace housing, the cool furnace housing is an interlayer cooling housing, and the cool furnace housing is provided with cooling liquid inlet and cooling liquid outlet; Switch board contains Propeling Equipment Control circuit, electromagnetic induction carbon shirt-circuiting furnace control circuit and coolant circulation unit control circuit, and electromagnetic induction carbon shirt-circuiting furnace control circuit contains the power control circuit and the temperature-control circuit of electromagnetic induction carbon shirt-circuiting furnace; One end of the electromagnetic induction coil of the cooling liquid inlet of electromagnetic induction carbon shirt-circuiting furnace and cool furnace and electromagnetic induction carbon shirt-circuiting furnace is connected with the outlet of coolant circulation unit, and the other end of the cooling liquid outlet of electromagnetic induction carbon shirt-circuiting furnace and cool furnace and the electromagnetic induction coil of electromagnetic induction carbon shirt-circuiting furnace is connected with the import of coolant circulation unit; The output of Propeling Equipment Control circuit is connected with propeller, the alternating voltage output of power control circuit is connected with the electromagnetic induction coil two ends of electromagnetic induction carbon shirt-circuiting furnace, the input of temperature-control circuit is connected with the infrared thermometry probe of electromagnetic induction carbon shirt-circuiting furnace, and the output of coolant circulation unit control circuit is connected with coolant circulation unit.
9. electromagnetic induction sintering equipment according to claim 8, it is characterized in that: preheating furnace contains the preheating furnace housing and is positioned at preheating furnace instrumentation tubes, refractory layer and the heat-insulation layer of preheating furnace enclosure interior, refractory layer is arranged on the periphery of preheating furnace instrumentation tubes, heat-insulation layer is arranged on the periphery of refractory layer, is provided with resistance heating element in the refractory layer; Switch board also contains output of preheating device power supply and temperature-control circuit, the power output end of output of preheating device power supply and temperature-control circuit is connected with resistance heating element, and the temperature signal input of output of preheating device power supply and temperature-control circuit is connected with the preheating furnace temperature sensor; Propeller can be driven or be driven by the driven by motor leading screw by hydraulic unit driver; One end of the hollow carbon pipe of electromagnetic induction carbon shirt-circuiting furnace is connected with the preheating furnace instrumentation tubes and is coaxial, the other end of hollow carbon pipe is connected with the cool furnace instrumentation tubes and is coaxial, the hollow carbon pipe of preheating furnace instrumentation tubes and electromagnetic induction carbon shirt-circuiting furnace is same pipe or is not same pipe that the hollow carbon pipe of cool furnace instrumentation tubes and electromagnetic induction carbon shirt-circuiting furnace is same pipe or is not same pipe.
10. according to Claim 8 or 9 described electromagnetic induction sintering equipments, it is characterized in that: cool furnace is provided with sintering chamber air inlet, and preheating furnace is provided with sintering chamber exhaust outlet, and sintering chamber air inlet and sintering chamber exhaust outlet are communicated with the sintering chamber; The sintering feed import is arranged on the preheating furnace and with the sintering chamber and is communicated with, and the sintering feed outlet is arranged on the cool furnace and with the sintering chamber and is communicated with; Sintering feed import and sintering feed exit are provided with air curtain or end cap; The material of refractory layer is that abnormity floats the pearl high-alumina brick; The material of heat-insulation layer is the alumina silicate fibre hardboard; Resistance heating element is a heating wire, or is Elema, or is Si-Mo rod; The preheating furnace temperature sensor is a thermocouple; Switch board contains intelligent digital display controller table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100545395A CN100559105C (en) | 2007-06-08 | 2007-06-08 | Carbon shirt-circuiting furnace and heating means thereof and electromagnetic induction sintering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100545395A CN100559105C (en) | 2007-06-08 | 2007-06-08 | Carbon shirt-circuiting furnace and heating means thereof and electromagnetic induction sintering equipment |
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| CN101319848A true CN101319848A (en) | 2008-12-10 |
| CN100559105C CN100559105C (en) | 2009-11-11 |
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| CNB2007100545395A Expired - Fee Related CN100559105C (en) | 2007-06-08 | 2007-06-08 | Carbon shirt-circuiting furnace and heating means thereof and electromagnetic induction sintering equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101576345B (en) * | 2009-06-15 | 2011-06-29 | 株洲硬质合金集团有限公司 | Parallel connection buffer type hydrogen-free carbonized carbon tube furnace system and production process thereof |
| CN103615891A (en) * | 2013-11-20 | 2014-03-05 | 合肥日新高温技术有限公司 | Vacuum/gas high-pressure carbon tube furnace |
| CN104561476A (en) * | 2015-01-28 | 2015-04-29 | 周献 | Continuous high-temperature heat treatment furnace |
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| CN105525090A (en) * | 2015-12-28 | 2016-04-27 | 贵州能矿锰业集团有限公司 | Electromagnetic reduction roasting method and device for manganese oxide ores |
| CN106535383A (en) * | 2016-12-27 | 2017-03-22 | 珠海市松立电器有限公司 | Inductive heating head and device for vehicle maintenance |
| CN106890611A (en) * | 2017-05-01 | 2017-06-27 | 西南石油大学 | A kind of micro electromagnetic senses high-temperature pressure-proof continuous tubular reactor |
| CN107284638A (en) * | 2017-07-17 | 2017-10-24 | 海南海大信息产业园有限公司 | A kind of annular electromagnetic induction steam jet propeller peculiar to vessel |
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2007
- 2007-06-08 CN CNB2007100545395A patent/CN100559105C/en not_active Expired - Fee Related
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| CN101576345B (en) * | 2009-06-15 | 2011-06-29 | 株洲硬质合金集团有限公司 | Parallel connection buffer type hydrogen-free carbonized carbon tube furnace system and production process thereof |
| CN103615891A (en) * | 2013-11-20 | 2014-03-05 | 合肥日新高温技术有限公司 | Vacuum/gas high-pressure carbon tube furnace |
| CN103615891B (en) * | 2013-11-20 | 2016-10-05 | 合肥日新高温技术有限公司 | A kind of vacuum atmosphere high pressure carbon slab furnace |
| CN104561476A (en) * | 2015-01-28 | 2015-04-29 | 周献 | Continuous high-temperature heat treatment furnace |
| CN105352332A (en) * | 2015-10-07 | 2016-02-24 | 李磊 | Assembled type mineral aggregate refining kiln |
| CN105352332B (en) * | 2015-10-07 | 2016-10-12 | 李磊 | Assembled mineral aggregate boiling kiln |
| CN105525090A (en) * | 2015-12-28 | 2016-04-27 | 贵州能矿锰业集团有限公司 | Electromagnetic reduction roasting method and device for manganese oxide ores |
| CN105525090B (en) * | 2015-12-28 | 2017-08-25 | 贵州能矿锰业集团有限公司 | A kind of manganese oxide ore electromagnetism reduction calcination method and device |
| CN106535383A (en) * | 2016-12-27 | 2017-03-22 | 珠海市松立电器有限公司 | Inductive heating head and device for vehicle maintenance |
| CN106890611A (en) * | 2017-05-01 | 2017-06-27 | 西南石油大学 | A kind of micro electromagnetic senses high-temperature pressure-proof continuous tubular reactor |
| CN107284638A (en) * | 2017-07-17 | 2017-10-24 | 海南海大信息产业园有限公司 | A kind of annular electromagnetic induction steam jet propeller peculiar to vessel |
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