CN102853666A - Box-type microwave high-temperature sintering furnace - Google Patents
Box-type microwave high-temperature sintering furnace Download PDFInfo
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- CN102853666A CN102853666A CN2011101775403A CN201110177540A CN102853666A CN 102853666 A CN102853666 A CN 102853666A CN 2011101775403 A CN2011101775403 A CN 2011101775403A CN 201110177540 A CN201110177540 A CN 201110177540A CN 102853666 A CN102853666 A CN 102853666A
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Abstract
An embodiment of the invention discloses a box-type microwave high-temperature sintering furnace which comprises a furnace body, furnace doors, a support, microwave sources, a propelling system. The furnace body is encircled by a furnace wall, space of the furnace body encircled by the inner wall is a hearth, and a shell is formed on the outer wall of the furnace body; the furnace doors are disposed on the furnace wall, and the hearth can be communicated with external space via the furnace doors; the support is disposed on the outer wall of the furnace body; the microwave sources are disposed on the furnace wall and can radiate heat to the hearth; the propelling system is arranged at the bottom of the hearth; exhaust tubes and gas inlet tubes which are communicated with the hearth are arranged on the furnace wall; and a partition plate is further disposed in the hearth, and a sealed cavity is formed between the inner wall of the hearth and the partition plate. Under the action of the microwave sources and the double effects of the sealed cavity, work efficiency of the box-type microwave high-temperature sintering furnace is improved, and energy loss is reduced.
Description
Technical field
The present invention relates to a kind of sintering furnace, more particularly, relate to a kind of microwave high-temperature sintering batch-type furnace.
Background technology
Sintering furnace is at high temperature a kind of, makes the mutual binding of ceramic green solid particle, grain growth, space (pore) and crystal boundary gradually reduce, by the transmission of material, its cumulative volume shrinks, and density increases, and becomes at last the stove and accessory with certain microstructural dense multicrystalline sintered body.
At the tungsten-molybdenum alloy powder, when iron phosphate powder is synthetic, need temperature high in its sintering process because material limits, so the sintering power requirement of sintering furnace is high, and heat insulation effect to be got well.Traditional high temperature sintering furnace that is used for the above-mentioned material of sintering generally includes: by the body of heater that the furnace wall surrounds, the space that the inwall of body of heater surrounds is burner hearth, and the outer wall of body of heater forms shell; Be arranged on the furnace wall, and the fire door that burner hearth is connected with space outerpace; Be arranged on the support on the furnace body outer wall; Be arranged on the heat-generating units on the inwall; And be arranged on burner hearth bottom for the propulsion system that will want sintered part propelling burner hearth.The heat-generating units of above-mentioned high temperature sintering furnace is resistance wire or carbon-point, its sintering theory is to produce hyperthermia radiation after the carbon-point energising to make the burner hearth heating up, again by kiln thorax hyperthermia radiation to wanting on the sintered part, cause furnace heating-up very slow, its sintering time is long, the consumption electric energy is large, and the furnace wall of above-mentioned sintering furnace is single layer structure, therefore its heat insulation effect is bad, when, heat-generating units during with the heat transferred burner hearth, the part heat can be dispersed into space outerpace by the furnace wall, cause a large amount of losses of heat, further cause the loss of energy.
Summary of the invention
In view of this, the invention provides microwave high-temperature sintering batch-type furnace, to realize improving its operating efficiency, reduce the loss to energy.
For achieving the above object, the invention provides following technical scheme:
A kind of microwave high-temperature sintering batch-type furnace is characterized in that, comprising: by the body of heater that the furnace wall surrounds, the space that the inwall of described body of heater surrounds is burner hearth, and the outer wall of described body of heater forms shell; Be arranged on the described furnace wall, and the fire door that described burner hearth is connected with space outerpace; Be arranged on the support on the described furnace body outer wall; Being arranged on also can be to the microwave source of described radiation of burner hearth heat on the described furnace wall; Be arranged on the propulsion system of described burner hearth bottom; Be provided with the blast pipe and the air inlet pipe that are connected with described burner hearth on the described furnace wall; Also be provided with the dividing plate that forms seal chamber with described inwall in the described burner hearth.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, be provided with the intake tunnel that is communicated with space outerpace and described seal chamber on the described furnace wall; First sealing-plug that can be sealed and matched with described water inlet is set on its water inlet;
Also be provided with on the described furnace wall and be provided with second sealing-plug that can be sealed and matched with described discharge outlet on its discharge outlet of drainage channel of space outerpace and described seal chamber.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, also be provided with the discharge opening that is communicated with space outerpace and described seal chamber on the described furnace wall.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, the terminal horizontal adjusting device of described support.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, be provided with the delivery temperature control valve of thermometer and control extraction flow on the described blast pipe.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, the quantity of described blast pipe is three, is arranged side by side the top in described furnace wall, and described three blast pipes link to each other with described exhaust main; The end of described exhaust main arranges the exhaust blower fan.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, the middle-end of described exhaust main is provided with burner.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, described fire door is hinged on the described shell, also is provided with on it described fire door is fixed on clamping device on the described shell.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, described clamping device comprises: be hinged on the turn buckle on the described shell, described turn buckle comprises connecting portion and fastening part, described connecting portion is hinged on the described shell by rotating shaft, described fastening part and described connecting portion are perpendicular, and can contact with described fire door, are provided with screwed hole on the described fastening part; With the tie down screw that matches with described screwed hole.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, the end of described tie down screw is provided with rotary handle.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, also be provided with the warning device that sends alarm signal when described fire door is not fastened.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, be provided with peep hole on the described furnace wall, be provided with crystal glass interlayer gauze screen on the described peep hole.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, be provided with flowmeter and charge flow rate control valve on the described air inlet pipe.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, the end of described air inlet pipe is equipped with four-way.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, be provided with the adpting flange that is connected with described burner hearth on the described shell, described adpting flange links to each other with described vavuum pump.
Preferably, in above-mentioned microwave high-temperature sintering batch-type furnace, also comprise temperature control system, described temperature control system comprises thermocouple and temperature controller, described thermocouple gathers the internal temperature of described burner hearth and converts temperature signal to, and described temperature controller is controlled the watt level of described microwave source according to described temperature signal.
Can find out from technique scheme, adopt microwave sintering in the microwave high-temperature sintering batch-type furnace in the embodiment of the invention, because wanting the material of sintered part is comprised of polar molecule and nonpolar molecule, under the effect of electromagnetic field, these polar molecules are from the polarity oriented of original random distribution state shift according to electric field, high frequency 2450MHz with 24.5 hundred million/s rotation and effect of vibration under, these orientations change according to the variation of alternating electromagnetic field, cause the motion of molecule and mutual friction mutually that self temperature is raise and become hot body, by microwave sintering process inner and table.Because microwave sintering is to simultaneously heating inside and outside the product, has shortened the heat transfer time, has reduced the product internal-external temperature difference.And also be provided with the dividing plate that forms seal chamber with inwall in the burner hearth in the embodiment of the invention, during sintering furnace work, thermal conductivity at seal chamber is low, therefore can well play heat insulation effect, under the effect and seal chamber double action of microwave source, improve effective operating efficiency of this microwave high-temperature sintering batch-type furnace, fall low-energy loss.
In addition, be provided with intake tunnel and the exhalant canal of communication seals cavity on the above-mentioned furnace wall, when finishing sintering, temperature is very high in the sintering furnace, therefore by passing into cooling water at intake tunnel in seal chamber, can play the effect of cooling.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The main TV structure schematic diagram of the microwave high-temperature sintering batch-type furnace that provides in the embodiment of the invention one is provided Fig. 1;
The side-looking structural representation of the microwave high-temperature sintering batch-type furnace that provides in the embodiment of the invention one is provided Fig. 2;
Fig. 3 is the enlarged drawing of A part among Fig. 1;
The main TV structure schematic diagram of the microwave high-temperature sintering batch-type furnace that provides in the embodiment of the invention two is provided Fig. 4;
The side-looking structural representation of the microwave high-temperature sintering batch-type furnace that provides in the embodiment of the invention two is provided Fig. 5;
The air inlet pipe that provides in the embodiment of the invention three and the layout schematic diagram of blast pipe are provided Fig. 6;
The structural representation of the fire door that provides in the embodiment of the invention four is provided Fig. 7;
Fig. 8 is a kind of structural representation of clamping device in the embodiment of the invention four;
Fig. 9 is the another kind of structural representation of clamping device in the embodiment of the invention four.
The specific embodiment
By the structure that changes the furnace wall and the operating efficiency that heat form can improve sintering furnace, reach the effect of energy-saving and emission-reduction in the sintering furnace that the embodiment of the invention provides.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
Please refer to illustrated in figures 1 and 2ly, wherein, 1 is body of heater; 11 is the furnace wall; 12 is burner hearth; 13 is fire door; 14 is dividing plate; 141 is water inlet; 142 is delivery port; 143 is discharge opening; 15 is seal chamber; 16 is peep hole; 17 is the microwave source guided wave pore; 3 is support; 41 is blast pipe; 42 is blast pipe; 43 is blast pipe; 44 is exhaust main; 45 is thermometer; 46 delivery temperature control valves; 5 is propulsion system; 61 is the vavuum pump flange; 62 is air inlet pipe; 63 is air inlet pipe; 64 is air inlet pipe; 71 is microwave source; 72 is the microwave source flange; 73 is microwave source; 74 is the microwave source flange.
Microwave high-temperature sintering batch-type furnace in the embodiment of the invention comprises: body of heater 1, fire door 13, microwave source, propulsion system and blast pipe.Wherein,
Body of heater 1 is surrounded by furnace wall 11, and the space that the inwall of body of heater 1 surrounds is burner hearth 12, and the outer wall of body of heater 1 forms shell; Fire door 13 is arranged on the furnace wall 11, and burner hearth 12 is connected with space outerpace; Support 3 is arranged on body of heater 1 outer wall; Microwave source is arranged on also can be to burner hearth 12 radiations heat energies on the furnace wall 11; Propulsion system is arranged on burner hearth 12 bottoms; Be provided with the blast pipe and the air inlet pipe that are connected with burner hearth 12 on the furnace wall 11; Also be provided with the dividing plate 14 that forms seal chamber 15 with inwall in the burner hearth 12.
Adopt microwave sintering in the microwave high-temperature sintering batch-type furnace in the embodiment of the invention, because wanting the material of sintered part is comprised of polar molecule and nonpolar molecule, under the effect of electromagnetic field, these polar molecules are from the polarity oriented of original random distribution state shift according to electric field, high frequency 2450MHz with 24.5 hundred million/s rotation and effect of vibration under, these orientations change according to the variation of alternating electromagnetic field, cause the motion of molecule and mutual friction mutually that self temperature is raise and become hot body, by microwave sintering process inner and table.Because microwave sintering is to simultaneously heating inside and outside the product, has shortened the heat transfer time, has reduced the product internal-external temperature difference.And also be provided with the dividing plate 14 that forms seal chamber 15 with inwall in the burner hearth in the embodiment of the invention 12, during sintering furnace work, thermal conductivity at seal chamber 15 is low, therefore can well play heat insulation effect, under the effect and seal chamber 15 double actions of microwave source, improve effective operating efficiency of this microwave high-temperature sintering batch-type furnace, fall low-energy loss.
Above-mentioned microwave source is by microwave source guided wave pore radiations heat energy in the burner hearth, please refer to Fig. 2 and shown in Figure 3, be provided with microwave source in the both sides of body of heater in embodiments of the present invention, wherein either side is provided with five microwave sources, at the microwave source guided wave pore microwave source flange is installed, then microwave source is installed on the microwave source flange.The microwave source 71 that is positioned in the drawings the right side is installed on the furnace wall 11 on right side by microwave source flange 72; The microwave source 73 that is positioned at the left side is installed on the furnace wall 11 in left side by microwave source flange 74.11 be provided with the peep hole 16 that is connected with burner hearth 12 for the ease of the sintering situation of observing product in the furnace wall, be provided with crystal glass interlayer gauze screen on the peep hole 16, to prevent microwave leakage, contaminated environment.
In addition, also be provided with the intake tunnel and the exhalant canal that are connected with seal chamber 15 on the furnace wall 11, the water inlet 141 of its intake tunnel can also join with water pipe, and the first sealing-plug that is sealed and matched with it can also be set; The delivery port 142 of exhalant canal can also join with water pipe, and the second sealing-plug that is sealed and matched with it can also be set.
When the needs sintered products, with the first sealing-plug water inlet 141 is blocked, with the second sealing-plug delivery port 142 is blocked, at this moment, this cavity can continue to play the effect of isolated thermal source.When sintering was finished, water inlet 141 tapped into water pipe, and delivery port 142 connected water outlet pipes constantly pass into cooling water in the water inlet pipe, and cooling water enters in the seal chamber 15, took away the heat that dividing plate 14 absorbs burner hearth 12, and flowed into outlet pipe by delivery port 142.So loop, can play the effect of fast cooling.
In addition, after cooling is finished in order to prevent that cooling water from not flowing out seal chamber 15 fully, also be provided with the discharge opening 143 that is connected with seal chamber 15 on the furnace wall, this discharge opening 143 is arranged on the bottom of body of heater 1, can sluice fast under the effect of cooling water self gravitation.
Air inlet pipe among the present invention and blast pipe, as depicted in figs. 1 and 2, blast pipe is arranged on the top of body of heater, and be connected with burner hearth 12, waste gas is heated when burner hearth 12 is interior, so the density of waste gas diminishes, blast pipe is arranged on the top, can effectively reduces the discharge of available gas.And in embodiments of the present invention, blast pipe has three, respectively blast pipe 41, blast pipe 42 and blast pipe 43, three blast pipes are connected with an exhaust main 44 simultaneously, and be provided with exhaust blower fan 47 at the end of exhaust main 44, under 47 effects of exhaust blower fan, can rapidly the gas in the burner hearth be extracted out.In addition, in order to guarantee the temperature of Exhaust Gas, be respectively arranged with a thermometer 46 and a delivery temperature control valve 45 at each blast pipe, by observing the variations in temperature of thermometer 46 demonstrations, control the capacity of delivery temperature control valve 45.Hydrogen when preventing sintering is directly discharged, and is provided with burner in the middle-end of exhaust main 44.
Air inlet pipe is arranged on the bottom of body of heater 1, and the quantity of air inlet pipe also is three in embodiments of the present invention, certainly is not limited to three.Comprise, air inlet pipe 62, air inlet pipe 63 and air inlet pipe 64, air inlet pipe can link to each other with other equipment, can also directly be connected with space outerpace, and the setting of air inlet pipe can guarantee internal pressure and the external pressure uniformity of burner hearth 12.Air inlet pipe 62, air inlet pipe 63 and air inlet pipe 64 can stop entering of gas by control valve is set.
In order to meet the needs of the product of vacuum environment sintering, in the embodiment of the invention, also be provided with vavuum pump flange 61, at vavuum pump flange 61 vavuum pump is set, burner hearth inside can be evacuated.When using vavuum pump, blast pipe and air inlet pipe need be in closed condition.It one is in order to prevent the product oxidation that burner hearth is evacuated, the 2nd, in order conveniently to pass into various gas shields, in sintering process, according to the various material technology situations of institute's sintering, effectively keep the vacuum state of sintering burner hearth thereupon.Will prevent the product oxidation such as the LiFePO4 sintering, a kind of method is to pass into nitrogen or argon gas carries out gas-protecting sintering; Another kind is vacuum-sintering.This stove can adapt to this several sintering process, but also other material such as tungsten-molybdenum alloy powder, ceramic material, magnetic material etc. of sintering reaches targets multi-functional, many atmosphere sinterings.
Embodiment two
In embodiments of the present invention, mainly be to improve for air inlet pipe and support, please refer to Fig. 4 and shown in Figure 5, wherein, wherein, 1 is body of heater; 11 is the furnace wall; 12 is burner hearth; 13 is fire door; 14 is dividing plate; 141 is water inlet; 142 is delivery port; 143 is discharge opening; 15 is seal chamber; 16 is peep hole; 17 is the microwave source guided wave pore; 3 is support; 41 is blast pipe; 42 is blast pipe; 43 is blast pipe; 44 is exhaust main; 45 is thermometer; 46 delivery temperature control valves; 5 is propulsion system; 61 is the vavuum pump flange; 62 is air inlet pipe; 63 is air inlet pipe; 64 is air inlet pipe; 65 is flowmeter; 66 is that charge flow rate control valve 71 is microwave source; 72 is the microwave source flange; 73 is microwave source; 74 is the microwave source flange.
Body of heater 1 is surrounded by furnace wall 11, and the space that the inwall of body of heater 1 surrounds is burner hearth 12, and the outer wall of body of heater 1 forms shell; Fire door 13 is arranged on the furnace wall 11, and burner hearth 12 is connected with space outerpace; Support 3 is arranged on body of heater 1 outer wall; Microwave source is arranged on also can be to burner hearth 12 radiations heat energies on the furnace wall 11; Propulsion system is arranged on burner hearth 12 bottoms; Be provided with the blast pipe and the air inlet pipe that are connected with burner hearth 12 on the furnace wall 11; Also be provided with the dividing plate 14 that forms seal chamber 15 with inwall in the burner hearth 12.
Air inlet pipe among the present invention and blast pipe, as shown in Figure 4 and Figure 5, blast pipe is arranged on the top of body of heater, and be connected with burner hearth 12, waste gas is heated when burner hearth 12 is interior, so the density of waste gas diminishes, blast pipe is arranged on the top, can effectively reduces the discharge of available gas.And in embodiments of the present invention, blast pipe has three, respectively blast pipe 41, blast pipe 42 and blast pipe 43, three blast pipes are connected with an exhaust main 44 simultaneously, and be provided with exhaust blower fan 47 at the end of exhaust main 44, under 47 effects of exhaust blower fan, can rapidly the gas in the burner hearth be extracted out.In addition, in order to guarantee the temperature of Exhaust Gas, be respectively arranged with a thermometer 46 and a delivery temperature control valve 45 at each blast pipe, by observing the variations in temperature of thermometer 46 demonstrations, control the capacity of delivery temperature control valve 45.Hydrogen when preventing sintering is directly discharged, and is provided with burner in the middle-end of exhaust main 44.
Air inlet pipe is arranged on the bottom of body of heater 1, and the quantity of air inlet pipe also is three in embodiments of the present invention, certainly is not limited to three.Comprise, air inlet pipe 62, air inlet pipe 63 and air inlet pipe 64, air inlet pipe can link to each other with other equipment, can also directly be connected with space outerpace, and the setting of air inlet pipe can guarantee internal pressure and the external pressure uniformity of burner hearth 12.Air inlet pipe 62, air inlet pipe 63 and air inlet pipe 64 can stop entering of gas by control valve is set.Air inlet pipe is respectively arranged with flowmeter and charge flow rate control valve, take air inlet pipe 62 as example, air inlet pipe 62 directly links to each other with flowmeter 65, its end is provided with charge flow rate control valve 66, according to the size that shows flow on the flowmeter 65, adjust the open degree of charge flow rate control valve 66, and then adjusting air inflow quantity.Charge flow rate control valve 66 rear ends can also further arrange aerogenesis equipment or gas storage equipment.
In order to meet the needs of the product of vacuum environment sintering, in the embodiment of the invention, also be provided with vavuum pump flange 61, at vavuum pump flange 61 vavuum pump is set, burner hearth inside can be evacuated.When using vavuum pump, blast pipe and air inlet pipe need be in closed condition.It one is in order to prevent the product oxidation that burner hearth is evacuated, the 2nd, in order conveniently to pass into various gas shields, in sintering process, according to the various material technology situations of institute's sintering, effectively keep the vacuum state of sintering burner hearth thereupon.Will prevent the product oxidation such as the LiFePO4 sintering, a kind of method is to pass into nitrogen or argon gas carries out gas-protecting sintering; Another kind is vacuum-sintering.This stove can adapt to this several sintering process, but also other material such as tungsten-molybdenum alloy powder, ceramic material, magnetic material etc. of sintering reaches targets multi-functional, many atmosphere sinterings.
In addition, because microwave source produces a large amount of heats in the course of the work, in order to guarantee its smooth work, need to lower the temperature to microwave source, as shown in Figure 5, adopt in embodiments of the present invention water-cooling system, microwave source 71 is provided with and the two radiating tube that mutually completely cuts off with microwave source flange 72 inside, and the water inlet end of radiating tube is connected with pipe 81, and the water side of radiating tube is connected with pipe 82, by continuous cooling water supply, reach the effect to microwave source 71 coolings; Microwave source 73 is provided with and the two radiating tube that mutually completely cuts off with microwave source flange 74 inside, and the water inlet end of radiating tube is connected with pipe 83, and the water side of radiating tube is connected with pipe 84, by continuous cooling water supply, reaches the effect to microwave source 73 coolings.
Embodiment three
In embodiments of the present invention by gas control system control air inflow and gas output, please refer to shown in Figure 6ly, at this moment, charge flow rate control valve 66 and delivery temperature control valve 45 are magnetic valve.
This control system comprises the intake flow sensor that is arranged on the air inlet pipe and is arranged on exhaust gas temperature sensor on the blast pipe, and the gas atmosphere controller.
Concrete, in order to simplify the complexity of air inlet pipe, the bend pipe 671 that passes through of air inlet pipe links to each other with flowmeter with bend pipe 672, and link to each other with charge flow rate control valve 66, charge flow rate control valve 66 is provided with four-way by two-way 673, be separately installed with magnetic valve 682, magnetic valve 684 and magnetic valve 686 on the four-way, wherein magnetic valve 682 connects nitrogen by managing 683; Magnetic valve 684 connects air by managing 685; Magnetic valve 686 connects hydrogen or argon gas by managing 687.
The gas atmosphere controller, the pre-stored corresponding relation that the gas, desired gas flow and the delivery temperature value that need in the different product sintering process are arranged; Receive the atmosphere that needs when operational order is selected the sintering furnace sintered products, according to the unlatching of control instruction control magnetic valve 682, magnetic valve 684 and magnetic valve 686 or close; Flow signal and exhaust gas temperature sensor that the reception intake flow sensor detects detect temperature signal, respectively control, charge flow rate control valve 66 and delivery temperature control valve 45 unlatching situations.
Said structure the needs that can adapt to agglomerated material technique not of the same race are set.Need air such as sintered cobalt acid lithium, air duct is opened in magnetic valve 684 unlatchings and flowmeter 65 carries out the air atmosphere sintering; As burning the nitrogen protection of LiFePO4 need, magnetic valve 682 is opened, and opens nitrogen pipeline and flowmeter 65, closes its magnetic valve, makes LiFePO4 sintering under the nitrogen atmosphere protection, to guarantee the various physical chemistry mechanical performances of agglomerated material product.
Certainly, gas atmosphere is not limited to automatic control in the sintering furnace, can also be by manually control realization.Manually during control, above-mentioned magnetic valve is hand control valve, the unlatching by manual control control valve or close, and then adapt to the needs of agglomerated material technique not of the same race.
Embodiment four
In the embodiment of the invention in order to prevent the microwave leakage in the microwave high-temperature sintering batch-type furnace, also at fire door clamping device is set, as shown in Figure 7, fire door 13 in the embodiment of the invention is hinged on the shell of body of heater 1, can also be not mounted thereto, by clamping device fire door is installed on the shell of body of heater 1.Select the former in the embodiment of the invention.
Clamping device as shown in Figure 8, this clamping device comprises: be hinged on the turn buckle on the shell, this turn buckle comprises connecting portion 142 and fastening part 143, connecting portion 142 is hinged on the shell by rotating shaft 141, fastening part 143 is perpendicular with connecting portion 142, and can contact with fire door 13, be provided with screwed hole on the fastening part 143; With the tie down screw 144 that matches with screwed hole.For easy for installation, the end of tie down screw 144 is provided with rotary handle 145, please refer to shown in Figure 9.
Occur in order to prevent not close the fire door situation, also be provided with the warning device that sends alarm signal when fire door 13 is not fastened on the body of heater 1.
In addition, in order to guarantee that burner hearth 12 interior temperature are that sintering is temperature required, also comprise temperature control system in the embodiment of the invention, temperature control system comprises thermocouple and temperature controller, thermocouple gathers the internal temperature of burner hearth 12 and converts temperature signal to, and temperature controller is according to the watt level of temperature signal control microwave source.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (16)
1. a microwave high-temperature sintering batch-type furnace is characterized in that, comprising: by the body of heater that the furnace wall surrounds, the space that the inwall of described body of heater surrounds is burner hearth, and the outer wall of described body of heater forms shell; Be arranged on the described furnace wall, and the fire door that described burner hearth is connected with space outerpace; Be arranged on the support on the described furnace body outer wall; Being arranged on also can be to the microwave source of described radiation of burner hearth heat on the described furnace wall; Be arranged on the propulsion system of described burner hearth bottom; Be provided with the blast pipe and the air inlet pipe that are connected with described burner hearth on the described furnace wall; Also be provided with the dividing plate that forms seal chamber with described inwall in the described burner hearth.
2. microwave high-temperature sintering batch-type furnace according to claim 1 is characterized in that, is provided with the intake tunnel that is communicated with space outerpace and described seal chamber on the described furnace wall; First sealing-plug that can be sealed and matched with described water inlet is set on its water inlet;
Also be provided with on the described furnace wall and be provided with second sealing-plug that can be sealed and matched with described discharge outlet on its discharge outlet of drainage channel of space outerpace and described seal chamber.
3. described microwave high-temperature sintering batch-type furnace according to claim 2 is characterized in that, also is provided with the discharge opening that is communicated with space outerpace and described seal chamber on the described furnace wall.
4. microwave high-temperature sintering batch-type furnace according to claim 1 is characterized in that, the terminal horizontal adjusting device of described support.
5. microwave high-temperature sintering batch-type furnace according to claim 1 is characterized in that, is provided with the delivery temperature control valve of thermometer and control extraction flow on the described blast pipe.
6. microwave high-temperature sintering batch-type furnace according to claim 5 is characterized in that the quantity of described blast pipe is three, is arranged side by side the top in described furnace wall, and described three blast pipes link to each other with described exhaust main; The end of described exhaust main arranges the exhaust blower fan.
7. microwave high-temperature sintering batch-type furnace according to claim 6 is characterized in that the middle-end of described exhaust main is provided with burner.
8. microwave high-temperature sintering batch-type furnace according to claim 1 is characterized in that, described fire door is hinged on the described shell, also is provided with on it described fire door is fixed on clamping device on the described shell.
9. microwave high-temperature sintering batch-type furnace according to claim 8, it is characterized in that, described clamping device comprises: be hinged on the turn buckle on the described shell, described turn buckle comprises connecting portion and fastening part, described connecting portion is hinged on the described shell by rotating shaft, described fastening part and described connecting portion are perpendicular, and can contact with described fire door, are provided with screwed hole on the described fastening part; With the tie down screw that matches with described screwed hole.
10. microwave high-temperature sintering batch-type furnace according to claim 9 is characterized in that the end of described tie down screw is provided with rotary handle.
11. microwave high-temperature sintering batch-type furnace according to claim 10 is characterized in that, also is provided with the warning device that sends alarm signal when described fire door is not fastened.
12. microwave high-temperature sintering batch-type furnace according to claim 10 is characterized in that, is provided with peep hole on the described furnace wall, is provided with crystal glass interlayer gauze screen on the described peep hole.
13. microwave high-temperature sintering batch-type furnace according to claim 1 is characterized in that, is provided with flowmeter and charge flow rate control valve on the described air inlet pipe.
14. microwave high-temperature sintering batch-type furnace according to claim 13 is characterized in that the end of described air inlet pipe is equipped with four-way.
15. microwave high-temperature sintering batch-type furnace according to claim 1 is characterized in that, is provided with the adpting flange that is connected with described burner hearth on the described shell, described adpting flange links to each other with described vavuum pump.
16. microwave high-temperature sintering batch-type furnace according to claim 1, it is characterized in that, also comprise temperature control system, described temperature control system comprises thermocouple and temperature controller, described thermocouple gathers the internal temperature of described burner hearth and converts temperature signal to, and described temperature controller is controlled the watt level of described microwave source according to described temperature signal.
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| CN2011101775403A CN102853666A (en) | 2011-06-28 | 2011-06-28 | Box-type microwave high-temperature sintering furnace |
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| CN2011101775403A CN102853666A (en) | 2011-06-28 | 2011-06-28 | Box-type microwave high-temperature sintering furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088246A (en) * | 2017-12-22 | 2018-05-29 | 合肥费舍罗热工装备有限公司 | A kind of vertical gradient furnace |
| CN109028954A (en) * | 2018-07-19 | 2018-12-18 | 黄福安 | A kind of burning equipment for domestic ceramics processing |
| CN109556358A (en) * | 2018-11-14 | 2019-04-02 | 张珊珊 | It is a kind of for drying the drying equipment of Chinese medicinal material |
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Application publication date: 20130102 |