CN101429033B - Anneal apparatus for ceramic fibre monofilament - Google Patents
Anneal apparatus for ceramic fibre monofilament Download PDFInfo
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- CN101429033B CN101429033B CN2008100720859A CN200810072085A CN101429033B CN 101429033 B CN101429033 B CN 101429033B CN 2008100720859 A CN2008100720859 A CN 2008100720859A CN 200810072085 A CN200810072085 A CN 200810072085A CN 101429033 B CN101429033 B CN 101429033B
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Abstract
The invention relates to an annealing device for ceramic fiber monofilaments, which is convenient to operate and has high position repeatability and accuracy. The annealing device for the ceramic fiber monofilaments is provided with a high-temperature atmosphere furnace treatment system and a ceramic fiber monofilament sample-carrying system, wherein the high-temperature atmosphere furnace treatment system is provided with an upper sealing device, a furnace body and a lower sealing device; the upper sealing device and the lower sealing device are arranged on the upper side and the lower side of the furnace body respectively; the ceramic fiber monofilament sample-carrying system is connected with the lower sealing device of the high-temperature atmosphere furnace treatment system through a lower flange, and provided with a sample-carrying platform and a lifting device; and the sample-carrying platform is arranged inside the furnace body of the high-temperature atmosphere furnace treatment system and positioned on the upper side of the lifting device which is arranged below the furnace body in the vertical direction.
Description
Technical field
The present invention relates to a kind of annealing device of ceramic fibre monofilament, especially a kind of hot environment atmosphere anneal device that is used for ceramic fibre monofilament.
Background technology
Ceramic fiber is by fibrous material natural or that the artificial inorganic thing adopts different process to prepare, also can be transformed by Pintsch process by organic fibre.Ceramic fiber has advantages such as excellent mechanical property, anti-oxidant and high-temperature stability.Continuous carbonization silicon (SiC) ceramic fiber is a kind of of ceramic fibre, belong to dual-use material, especially in aerospace and advanced weaponry equipment, has special status, it have intensity and hardness height, high temperature resistant, anti-oxidant, thermal expansivity is low, density is low and with advantages such as the ceramic matrix consistency is good, be the best fortifying fibre of pyroceramic based composites therefore.
The application target of the toughened and reinforced ceramic matric composite of continuous SiC fiber mostly is to use in the hot environment that contains aerobic, moisture and corrosive medium, therefore requires it to have the good hot physical chemistry and the stability of mechanical property under the high temperature Service Environment.The hot environment mechanical property of material has caused widely to be paid close attention to, and is one of focus of present ceramic matric composite research.Though under regular service condition, can directly not touch surrounding medium as the SiC fiber that strengthens body, in fact in the preparation composite material, in matrix material, stay the microporosity inevitably, make the part fiber be touched high-temperature medium.The oxygen that contains in the medium, moisture and other corrosive medium under the katalysis of high temperature and stress, can cause damage to the SiC fiber, thereby influence mechanical behavior under high temperature.These performances are obviously relevant with composition, the microstructure of fiber.Therefore, the research of differentiation of the hot environment mechanical property of continuous SiC fiber and micromechanism thereof instructs the component of continuous fibre and microstructure design to be significant for independent development China SiC fiber.
Do not see the mechanical property of continuous SiC ceramic fibre monofilament in simulation aircraft engine Service Environment and the correlative study report of microstructure differentiation at present both at home and abroad as yet.Aircraft engine hot-end component surrounding medium is a water oxygen coupling environment, different with pure oxygen environment, pure oxygen environment can not place of water oxygen the coupling environment, fibre property develops under the research water oxygen coupling environment, grasps its failure mechanism in the aircraft engine Service Environment and has realistic meaning.
The research SiC ceramic fibre monofilament key technical problem that fibre property develops under high-temperature water oxygen coupling environment, be exactly the anneal of SiC fiber in high temperature simulated environment atmosphere, owing to will guarantee high-temperature atmosphere furnace burner hearth uniform temperature zone, the burner hearth radius is as far as possible little generally speaking, and SiC ceramic fiber diameter has only about 10 μ m, when in burner hearth, heat-treating, very easily react under the high temperature with water oxygen, the surface generates silicon oxide, owing to generate the easy bonding of silicon oxide thereby the doubling phenomenon takes place between the fiber, therefore can not put in order bundle fiber thermal treatment together, and must separate thermal treatment simultaneously one by one, allow every fiber be in equal experiment condition, just can reach the real simulation effect.But the present high-temperature atmosphere furnace sample treatment that uses, directly put into stove as miniature graphite Noah's ark, W shape graphite paper and aluminum oxide Noah's ark etc. as the load sample platform, all fail effectively ceramic fiber to be carried out load sample, test result is subjected to the manual operation factor affecting very big, and position reproduction degree and accuracy are relatively poor, can't reach the real simulated effect.
Domestic Ma Yuping (Chinese patent CN2105031U) has designed the device that a kind of test material transmits sample.It comprises sample introduction steady arm and sampler two portions, the sample introduction steady arm is made up of telescopic boom, back-up block, support bar and base, telescopic boom connects support bar by bearing pin, and move horizontally along chute, be equipped with preset pieces on telescopic boom, telescopic boom is along the axial rotation of support bar, and the limit position at the elevation angle is equipped with the location stop block, one through hole and boss are arranged on the sampler, and cover is positioned on the telescopic boom.But this device only is fit to carrying and transmits the large sample sample, and the quantitative shift value that moves of telescopic boom.
(Chinese patent CN2748909Y) such as the Zhan Xiu of Country Geological Experimental Testing Center spring designed the ceramic load sample dish of the hot sample-melting stove of a kind of x-ray fluorescence analysis electricity consumption, the integral body of pottery load sample dish is a disk, the center of disk is provided with axis hole, and axis hole is connected with the rotation axis of electric heating sample-melting stove; Be provided with a plurality of open-works vertically around the disk.Ceramic in addition load sample dish is made by high temperature ceramic material, solves the complex structure problem of alloy system tripod and problem of oxidation at high temperature.Can directly carry platinum-yellow alloy crucible, at high temperature not with the crucible effect; Simultaneously, load sample dish resistance toheat is good, simple in structure, can at high temperature oxidized, damage.Chengdu Kelin Analysis Technology Co., Ltd what inspire (Chinese patent CN2682416Y) to invent a kind of full-automatic head-space sampler, comprise frame, be subjected to respectively a sample disc rotating shaft that cylinder drives and the end that vertically are loaded on the gantry base stretch into sample cavity rotating shaft in the heated constant temperature stove that is contained on the frame, the sample cavity that is contained in the sample cavity rotating shaft is arranged in the constant temperature oven, the sample cavity periphery is evenly distributed with a plurality of samples position, the sample disc that a plurality of samples of peripheral uniform distribution position is arranged in the sample disc rotating shaft, the vertical position of the relative sample disc of constant temperature oven lower curtate has sample bottle to go out, inlet, being positioned at sample bottle goes out, the shaft core position of inlet and be positioned at sample disc bottom and the act thick stick by air cylinder driven that vertically is loaded on the base arranged with respect to place, sample position, there is the dual flow path pin of the air cylinder driven that is subjected to solenoid control vertically downward the top that is positioned at constant temperature oven, respectively with the dual flow path pin, there is the switching valve place of the transmission line connection of constent temperature heater that constent temperature heater is housed, can accurately control the extracted amount of sample, high efficiency.But same only being fit to, carry and transmit the large sample sample, and can't carry and transmit tiny ceramic fibre monofilament.
The Shen Zhi of Sisha Co., Ltd. medium (Chinese patent CN2475984Y) has designed a kind of electrothermal silicon carbide element and has burnt till and use High Temperature Furnaces Heating Apparatus, mainly comprise body of heater, automatic control device, body of heater is split type, the preheating zone, High Temperature Furnaces Heating Apparatus, cooling zone, the preheating zone, High Temperature Furnaces Heating Apparatus, cooling zone is movable successively to link to each other, realized advancing automatically, discharging, quick continous way once-firing, temperature is regulated automatically, short 30～the 80min of firing period, it is low to consume energy, it is adjustable to burn till parameter, easy to maintenance, less investment, the production efficiency advantages of higher, but this High Temperature Furnaces Heating Apparatus lacks rational load sample device, can't realize the anneal of ceramic fibre monofilament.
The Pan Jian of Shanghai Communications University gives birth to and waits (Chinese patent CN1542427A) to invent a kind of controlled atmosphere furnace with removably taking a sample and collector, comprise water inlet pipe and water outlet pipe, get gas sample pipe, the pipe of materialsing, water jacket, refractory fibre product piece and rectangle backing plate, the rectangle backing plate is welded on the water jacket, water jacket front end and refractory fibre product piece are bonding, materials the pipe and get gas sample pipe in water jacket and refractory fibre product piece, and stretch out at two ends, the pipe of materialsing, get gas sample pipe, water inlet pipe and water outlet pipe and the close weldering of water jacket.This invention can rationally be settled on stove and one or morely materials and get gas sample mouth and use, in time understand in the stove or the carbon potential or the nitrogen gesture of each section of stove,, guarantee the quality of workpiece for regulating and control provides foundation, bring great convenience to operation simultaneously, also can reduce the body of heater heat lost by radiation.But transmit fibre single thread relatively, equally exist to lack rational load sample platform.
People (Japanese Patent JP2004162184) such as city, Japan mountain pass have invented a kind of carbon fiber thermal treatment unit, directly a whole bundle carbon fiber is placed in parallel in the heating of burner hearth center, cancelled the load sample platform, the length of fiber sample is greater than burner hearth length, and the fiber two ends can be fixed on the stove outside.But this invention only is applicable to fiber and handles in air, and the thermal treatment of ambiance that the thermal treatment of ambiance, particularly ceramic fibre monofilament are arranged is not just reached requirement.
People (international monopoly WO2007022218) such as U.S. Jensen David have invented a kind of can the braiding carries elongated filamentary device, this device is made up of a series of roundel grid, one circular hole is arranged in the middle of the disk grid, disk all has several rolls up and down, fiber can be positioned over the roll position, a large amount of disc set grid become a dot matrix braiding structure, also comprise a large amount of flaring angles gear in the mechanism of making up, and are used for the position that mobile controlling fiber intersects in lattice structure.A cover like this has the automatization braided fiber device of lattice structure, can reduce production cost.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned the deficiencies in the prior art, provides a kind of easy to operate, the annealing device of the ceramic fibre monofilament that position reproduction degree and accuracy are high.
The present invention is provided with high-temperature atmosphere furnace treatment system and ceramic fibre monofilament load sample system.
The high-temperature atmosphere furnace treatment system is provided with upper cover device, body of heater and following capping apparatus; Upper cover device and following capping apparatus are located at body of heater both sides up and down respectively, and ceramic fibre monofilament load sample system is connected with the following capping apparatus of high-temperature atmosphere furnace treatment system by lower flange;
Ceramic fibre monofilament load sample system is provided with load sample platform and lifting device, and the load sample platform places high-temperature atmosphere furnace treatment system body of heater inside, and is positioned at the lifting device top.Lifting device places body of heater vertical direction bottom.
The upper cover device is provided with upper flange, inlet mouth, goes up water-in, vacuumizes gas port, upper water-out mouth and last water-cooling circulating system, inlet mouth, vacuumize gas port and last water-in and be positioned at upper cover device left side, the upper water-out mouth is positioned at upper cover device right side, upper flange is positioned at upper cover device top, and last water-cooling circulating system is positioned at upper cover device inboard.
Body of heater is provided with burner hearth, heating member, thermal insulation layer and thermopair, and burner hearth is arranged in body of heater, and heating member is close to the burner hearth outside; Thermopair is located in the body of heater, and thermal insulation layer places in the body of heater and is close to heating member.
Following capping apparatus is provided with down water-in, air outlet, vacuumizes gas port, lower flange, lower outlet and following water-cooling circulating system, following water-in is positioned at capping apparatus left side down, air outlet and lower outlet are positioned at capping apparatus right side down, lower flange is positioned at capping apparatus bottom down, and following water-cooling circulating system is positioned at capping apparatus inboard down.
The load sample platform is provided with disk, back shaft, lower disc and ceramic plug.Last disk, back shaft and lower disc are all made by pyroceramic, and last disk, back shaft and lower disc are by becoming " worker " font to be connected from top to down in proper order; Ceramic plug places lower disc bottom, paste mutually with the lower disc bottom at the ceramic plug top, ceramic plug plays the carrying lower disc, be provided with at least 2 open-works vertically around the last disk, the ceramic fibre monofilament upper end can be passed open-work and vertically be bonded on the disk by alumina high temperature cement, be provided with equally and the corresponding a plurality of open-works vertically of last disk around on the lower disc, the monofilament lower end can be passed open-work and vertically be bonded on the lower disc naturally by alumina high temperature cement; Back shaft is provided with the axle collar of protrusion, last disk can be set in the axle collar on the back shaft, and goes up lower disk surface and paste mutually with axle collar upper surface, and the lower disc bottom is provided with the concave shape axis hole, the ceramic plug top is provided with boss, and lower disc bottom axis hole coincide with ceramic plug top boss and is connected.
Lifting device is provided with through metal, retaining screw, adjusting button, adjusting left and right sides button, adjusting front and back button and support metal circle up and down, through metal, retaining screw, adjusting button, adjusting left and right sides button and adjusting front and back button up and down are positioned at the lifting device left side, the support metal circle is positioned under the body of heater, and paste mutually with the lower flange lower surface, the support metal circle is connected with through metal by retaining screw;
It is circular that body of heater, burner hearth are preferably, and heating member can adopt Si-Mo rod, and burner hearth can adopt the aluminum oxide corundum to make.
The WRB-R model double platinum rhodium thermopair that thermopair can select for use Xi'an Yong Ke Power Tech Corp. Inc. to produce, its useful range is 0～1600 ℃, precision is ± 0.25%t.
The all available high-temperature resistant aluminium oxide pottery of the disk of load sample platform, back shaft and lower disc is made, and last disk and lower disc upper surface are the plane, and the open-work of last disk and lower disc is circle.
The back shaft of load sample platform is circular, is located between disk and the lower disc.
The concave shape axis hole that the lower disc bottom of load sample platform is provided with is circular.
The ceramic plug top boss of load sample platform is circular, and ceramic plug inside is vesicular structure, can make the airflow smooth circulation.
Through metal is a circular shaft shape, and the support metal circle is circular.
The upper cover device can be connected with body of heater by screw respectively with following capping apparatus, plays the effect of sealing body of heater.
Burner hearth is positioned in the middle of the body of heater, and the uniform temperature zone effect is provided; Heating member is close to the burner hearth outside, plays the heating furnace effect; Thermopair is horizontal to be inserted in the middle of the body of heater, and paste mutually with the outside, burner hearth central position on its top, rises and measures control burner hearth uniform temperature zone temperature action; Thermal insulation layer is close to heating member, places body of heater inside, plays protection uniform temperature zone temperature action.
Last disk, back shaft and lower disc can be made by pyroceramic, and last disk, back shaft and lower disc are by becoming " worker " word shape to be connected from top to down in proper order; Ceramic plug places the lower disc lower position, and paste mutually with the lower disc bottom at its top, and ceramic plug plays the carrying lower disc.
The close retaining screw of button about regulating, and place its below, can move up and down along the through metal vertical, adjusting left and right sides button and adjusting front and back button are positioned at the through metal bottom, and adjusting left and right sides button is positioned at left, places axial location and regulate the front and back button.Lifting device can by regulate up and down button, regulate left and right sides button, regulate before and after button adjusting joint load sample platform vertical height and level attitude all around, make its central axis and burner hearth central axes.
Principle of the present invention is that the load sample platform is placed down on the capping apparatus, regulates the level and the plumb position of load sample platform earlier, adopts optics level steady arm to aim at the burner hearth central axis then, determines load sample platform central axis and burner hearth central axes.The ceramic fibre monofilament two ends are placed on the open-work center of the last disk and the lower disc of load sample platform respectively, paste earlier with alumina high temperature cement and fix its upper end, make ceramic fibre monofilament vertical naturally, its lower end is fixed in stickup again.The adjusting that starts lifting device then is button up and down, and load sample platform average rate is moved vertically upward, realizes sample presentation, and up to ceramic fibre monofilament being delivered to high-temperature atmosphere furnace treatment system body of heater uniform temperature zone, the lower flange screw is installed in the back, makes furnace sealing.Vacuumize again then and feed ambiance to burner hearth, can begin anneal by inlet mouth.After the high-temperature sample anneal is intact, unclamp the lower flange screw, the adjusting of startup lifting device is button up and down, and the load sample platform is moved at the uniform velocity vertically downward, all exposes burner hearth up to sample, and the realization sample is come out of the stove and can be taken a sample.
This shows that the present invention has following outstanding advantage:
1) adopts lifting device, reduced error, increased the reproduction degree of sample preparation position.
2) appropriate design the load sample platform, make ceramic fibre monofilament can annular placed side by side, be in equal experiment condition, on the one hand prevent to interweave mutually between the ceramic fibre monofilament, can make ultimate fibre not be subjected to the tension force effect on the other hand, keep oneself state.
3) the load sample platform adopts pyroceramic to make, and good heat resistance is simple in structure, long service life, and cost is low, can be at high temperature not oxidized, infringement or pollution ceramic fiber sample.
4) lifting device can be regulated load sample platform level attitude and vertical, and adjustable-height and swing can guarantee the right alignment that sample presentation is taken a sample.
5) steady quality, it is low, simple in structure, easy and simple to handle to consume energy, position reproduction degree, accuracy height.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.In Fig. 1, the code name of each parts is: 1. high-temperature atmosphere furnace treatment system, 11. bodies of heater, 111. burner hearths, 112. heating member, 113. thermal insulation layers, 114. thermopairs, 12. upper cover devices, 121. last water-in, 122. inlet mouths, 123. vacuumize gas port, 124. upper flange, 125. upper water-out mouths, water-cooling circulating system on 126., 13. following capping apparatus, 131. times water-ins, 132. lower outlets, 133. following water-cooling circulating system, 134. air outlets, 135. lower flanges; 2. ceramic fibre monofilament load sample system, 21. load sample platforms, disk on 211., 212. back shafts, 213. lower discs, 214. ceramic plug, 22. lifting devices, 221. through metals, 222. retaining screws, 223. regulate button up and down, 224. regulate left and right sides button, 225. regulate front and back button, 226. support metal circles.
Fig. 2 is the load sample platform sectional view among Fig. 1.
Fig. 3 is the load sample platform vertical view among Fig. 1.
In Fig. 2 and 3, the code name of each parts is: 21. load sample platforms, disk on 211., 212. back shafts, 213. lower discs, 214. ceramic plugs, 215. ceramic fibre monofilaments.
Embodiment
Below in conjunction with accompanying drawing structure of the present invention and principle of work are elaborated.
Referring to Fig. 1～3, the embodiment of the invention comprises high-temperature atmosphere furnace treatment system 1 and ceramic fibre monofilament load sample system 2 two portions.
High-temperature atmosphere furnace treatment system 1 is provided with upper cover device 12, body of heater 11 and following capping apparatus 13.Upper cover device 12 and following capping apparatus 13 lay respectively on the body of heater 11 following, are connected with body of heater 11 by screw, play 11 effects of sealing body of heater; Ceramic fibre monofilament load sample system 2 is connected with the following capping apparatus 13 of high-temperature atmosphere furnace treatment system 1 by lower flange 135, comprise load sample platform 21 and lifting device 22, load sample platform 21 places high-temperature atmosphere furnace treatment system 1 body of heater 11 inside, and be positioned at lifting device 22 tops, play the effect of carrying ceramic fibre monofilament.Lifting device 22 places the following promotion transmission load sample platform 21 that plays a part of body of heater 11 verticals.
Body of heater 11 comprises burner hearth 111, heating member 112, thermal insulation layer 113 and thermopair 114.Body of heater 11, burner hearth 111 are circular, and burner hearth 111 is positioned in the middle of the body of heater 11, adopt the aluminum oxide corundum to make, and the uniform temperature zone effect is provided; Heating member 112 is close to burner hearth 111 outsides, can adopt Si-Mo rod, plays heating furnace 111 effects; Thermopair 114 adopts that the double platinum rhodium thermopairs are horizontal to be inserted in the middle of the body of heater 11, and paste mutually with the outside, burner hearth 111 central positions on its top, plays measurement burner hearth 111 uniform temperature zone temperature actions; Thermal insulation layer 113 is close to heating member 112, places body of heater 11 inside, plays protection uniform temperature zone temperature action.
Following capping apparatus 13 is by water-in 131, lower outlet 132, following water-cooling circulating system 133, air outlet 134 and lower flange 135 are formed down, following water-in 131 is positioned at capping apparatus 13 left sides down, air outlet 134 and lower outlet 132 are positioned at capping apparatus 13 right sides down, lower flange 135 is positioned at capping apparatus 13 bottoms down, play 111 effects of sealing burner hearth, following water-cooling circulating system 133 is positioned at capping apparatus 13 inboards down, and the cooling of capping apparatus 13 water cycles is provided down.
Load sample platform 21 is made up of last disk 211, back shaft 212, lower disc 213 and ceramic plug 214.Last disk 211, back shaft 212 and lower disc 213 are all made by pyroceramic, and last disk 211, back shaft 212 and lower disc 213 are by becoming " worker " word shape to be connected from top to down in proper order; Ceramic plug 214 inside are vesicular structure, place lower disc 213 lower position, and paste mutually with lower disc 213 bottoms at its top, and ceramic plug 214 plays carrying lower disc 213.Be provided with a plurality of open-works vertically around the last disk 211, the ceramic fibre monofilament upper end can be passed open-work and vertically be bonded on the disk 211 by alumina high temperature cement, be provided with equally and last disk 211 corresponding a plurality of open-works vertically around on the lower disc 213, the monofilament lower end can be passed open-work and vertically be bonded on the lower disc 213 naturally by alumina high temperature cement; Last disk 211 and lower disc 213 upper surfaces are the plane, and the open-work of last disk 211 and lower disc 213 is circle.Back shaft 212 is provided with the axle collar of protrusion, and last disk 211 can be enclosed within the axle collar on the back shaft 212, and its lower surface pastes disk 211 on the axle collar can play a part to support mutually with axle collar upper surface.Lower disc 213 bottoms are provided with interior circular concave shape axis hole, and ceramic plug 214 tops are provided with round boss, and the circular axis hole in lower disc 213 bottoms coincide with ceramic plug 214 top circular boss and is connected.
Form up and down by button 223, adjusting left and right sides button 224, adjusting front and back button 225 and support metal circle 226 by through metal 221, retaining screw 222, adjusting for lifting device 22, through metal 221, retaining screw 222, adjusting button 223, adjusting left and right sides button 224 and adjusting front and back button 225 up and down are positioned at lifting device 22 left sides, support metal circle 226 is positioned under the body of heater 11, and paste mutually with lower flange 135 lower surfaces, support metal circle 226 is connected with through metal 221 by retaining screw 222, and through metal 221 is that circular shaft type, support metal circle 226 are for circular; Regulate button 223 close retaining screws 222 up and down, and place its below, and can move up and down along through metal 221 verticals, button 225 is positioned at through metal 221 bottoms before and after regulating left and right sides button 224 and regulating, regulate left and right sides button 224 and be positioned at left, and button 225 places axial location before and after regulating.Lifting device 22 can by regulate up and down button 223, regulate left and right sides button 224, regulate before and after button 225 regulate load sample platforms 21 vertical heights and level attitude all around, make its central axis and burner hearth 111 central axes.
At first the ceramic plug on the load sample platform 21 214 is placed down on the lower flange 135 of capping apparatus 13, again lower disc 213 and back shaft 212 are from bottom to top placed on the ceramic plug 214, the circular axis hole in lower disc 213 bottoms coincide with ceramic plug 214 top circular boss and is connected, last disk 211 covers are positioned on the back shaft 212, the axle collar by back shaft 212 supports, adopt optics level steady arm to measure the open-work position of going up disk 211 and lower disc 213, by rotating disk 211 its open-work is aimed at lower disc 213 open-works, then by regulating left and right sides button 224 and regulating level and the plumb position that front and back button 225 is regulated load sample platform 21, adopt optics level steady arm to measure once more, up to load sample platform 21 central axis and burner hearth 111 central axes.
The ceramic fibre monofilament two ends are placed on the open-work center of the last disk 211 and the lower disc 213 of load sample platform 21 respectively, paste earlier with alumina high temperature cement and fix its upper end, make ceramic fibre monofilament vertical naturally, its lower end is fixed in stickup again.The adjusting that starts lifting device 22 then is button 223 up and down, load sample platform 21 average rates are moved vertically upward, realize sample presentation, up to body of heater 11 uniform temperature zones of ceramic fibre monofilament being delivered to high-temperature atmosphere furnace treatment system 1, lower flange 135 screws are installed in the back, make body of heater 11 sealings.Vacuumize three times by mechanical pump then, feed ambiances by inlet mouth 122 to burner hearth 111 again, the heating schedule that can begin to start high-temperature atmosphere furnace treatment system 1 carries out anneal.After the high-temperature sample anneal is intact, can unclamp lower flange 135 screws, the adjusting of startup lifting device 22 is button 223 up and down, and load sample platform 21 is moved at the uniform velocity vertically downward, all exposes burner hearth 111 up to sample, and the realization sample is come out of the stove and can be taken a sample.
Its basic mechanical design feature is as follows:
(1) Controlling System modular design.
(2) airshed 0～600ml/min, design accuracy: 1%.
(3) burner hearth material: aluminum oxide corundum.
(4) size of burner hearth: Ф 60 * 1000mm.
(5) even segment length: 200mm.
(6) top temperature: 1600 ℃.
(7) heating member element: Si-Mo rod.
(8) temp-controlling element: double platinum rhodium thermopair.
(9) warm attitude precision :≤± 1 ℃.
(10) heat-up rate :≤40min, 10～30 ℃/min is from setting.
(11) dash the temperature value :≤1～3 ℃.
(12) voltage rise rate: 2Pa/h.
(13) accuracy of instrument: ± 0.2%F.S, display precision: ± 1 ℃.
(14) display window: measure temperature, design temperature is two to show that the heating power light beam shows.
(15) automatization control: manual noiseless handoff functionality, pid parameter self-setting function, heating power be by routine regulatory function, overtemperature alarm function, 10 sections programable temperature controls and constant temperature.
(16) rated output: 4KW.
(17) voltage rating: 380V.
Claims (6)
1. the annealing device of a ceramic fibre monofilament is characterized in that being provided with high-temperature atmosphere furnace treatment system and ceramic fibre monofilament load sample system;
The high-temperature atmosphere furnace treatment system is provided with upper cover device, body of heater and following capping apparatus; Upper cover device and following capping apparatus are located at body of heater both sides up and down respectively, and ceramic fibre monofilament load sample system is connected with the following capping apparatus of high-temperature atmosphere furnace treatment system by lower flange;
Ceramic fibre monofilament load sample system is provided with load sample platform and lifting device, the load sample platform places high-temperature atmosphere furnace treatment system body of heater inside, and be positioned at the lifting device top, lifting device places body of heater vertical direction bottom, described load sample platform is provided with disk, back shaft, lower disc and ceramic plug, and last disk, back shaft and lower disc are by becoming " worker " font to be connected from top to down in proper order; Ceramic plug places lower disc bottom, paste mutually with the lower disc bottom at the ceramic plug top, ceramic plug plays the carrying lower disc, be provided with at least 2 open-works vertically around the last disk, the ceramic fibre monofilament upper end is passed open-work and vertically is bonded on the disk by alumina high temperature cement, be provided with equally and the corresponding a plurality of open-works vertically of last disk around on the lower disc, the monofilament lower end is passed open-work and vertically is bonded on the lower disc naturally by alumina high temperature cement; Back shaft is provided with the axle collar of protrusion, last disk is set in the axle collar on the back shaft, and goes up lower disk surface and paste mutually with axle collar upper surface, and the lower disc bottom is provided with the concave shape axis hole, the ceramic plug top is provided with boss, and lower disc bottom axis hole coincide with ceramic plug top boss and is connected.
2. the annealing device of a kind of ceramic fibre monofilament as claimed in claim 1, it is characterized in that the upper cover device is provided with upper flange, inlet mouth, goes up water-in, vacuumizes gas port, upper water-out mouth and last water-cooling circulating system, inlet mouth, vacuumize gas port and last water-in and be positioned at upper cover device left side, the upper water-out mouth is positioned at upper cover device right side, upper flange is positioned at upper cover device top, and last water-cooling circulating system is positioned at upper cover device inboard.
3. the annealing device of a kind of ceramic fibre monofilament as claimed in claim 1 is characterized in that body of heater is provided with burner hearth, heating member, thermal insulation layer and thermopair, and burner hearth is arranged in body of heater, and heating member is close to the burner hearth outside; Thermopair is located in the body of heater, and thermal insulation layer places in the body of heater and is close to heating member.
4. the annealing device of a kind of ceramic fibre monofilament as claimed in claim 1, it is characterized in that down capping apparatus is provided with down water-in, air outlet, vacuumize gas port, lower flange, lower outlet and following water-cooling circulating system, following water-in is positioned at capping apparatus left side down, air outlet and lower outlet are positioned at capping apparatus right side down, lower flange is positioned at capping apparatus bottom down, and following water-cooling circulating system is positioned at capping apparatus inboard down.
5. the annealing device of a kind of ceramic fibre monofilament as claimed in claim 1, it is characterized in that lifting device is provided with through metal, retaining screw, adjusting button, adjusting left and right sides button, adjusting front and back button and support metal circle up and down, through metal, retaining screw, adjusting button, adjusting left and right sides button and adjusting front and back button up and down are positioned at the lifting device left side, the support metal circle is positioned under the body of heater, and paste mutually with the lower flange lower surface, the support metal circle is connected with through metal by retaining screw, described adjusting is the close retaining screw of button up and down, and places the retaining screw below; Regulate left and right sides button and regulate the front and back button and be positioned at the through metal bottom.
6. the annealing device of a kind of ceramic fibre monofilament as claimed in claim 1 is characterized in that burner hearth is positioned in the middle of the body of heater, and heating member is close to the burner hearth outside, thermopair is horizontal to be inserted in the body of heater, paste mutually with the outside, burner hearth central position on the thermopair top, and thermal insulation layer is close to heating member, places body of heater inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100720859A CN101429033B (en) | 2008-11-07 | 2008-11-07 | Anneal apparatus for ceramic fibre monofilament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100720859A CN101429033B (en) | 2008-11-07 | 2008-11-07 | Anneal apparatus for ceramic fibre monofilament |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101429033A CN101429033A (en) | 2009-05-13 |
| CN101429033B true CN101429033B (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100720859A Expired - Fee Related CN101429033B (en) | 2008-11-07 | 2008-11-07 | Anneal apparatus for ceramic fibre monofilament |
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| CN (1) | CN101429033B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI565924B (en) * | 2014-12-30 | 2017-01-11 | 基準精密工業（惠州）有限公司 | Crucible |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453145B (en) * | 2013-08-07 | 2015-08-19 | 长兴三重窑炉科技有限公司 | A kind of seal arrangement of high-temperature atmosphere furnace burner hearth |
| CN103707390B (en) * | 2013-12-20 | 2015-11-11 | 厦门大学 | The preparation method of a kind of ceramics springs shaped device and ceramics springs |
| CN113402278B (en) * | 2021-06-10 | 2024-09-13 | 福建立亚新材有限公司 | Preparation method of ceramic fiber for high-temperature test |
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2008
- 2008-11-07 CN CN2008100720859A patent/CN101429033B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI565924B (en) * | 2014-12-30 | 2017-01-11 | 基準精密工業（惠州）有限公司 | Crucible |
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|---|---|
| CN101429033A (en) | 2009-05-13 |
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