CN205974238U - Sulphur is infrared glass's equipment of founding in succession - Google Patents
Sulphur is infrared glass's equipment of founding in succession Download PDFInfo
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- CN205974238U CN205974238U CN201620979562.XU CN201620979562U CN205974238U CN 205974238 U CN205974238 U CN 205974238U CN 201620979562 U CN201620979562 U CN 201620979562U CN 205974238 U CN205974238 U CN 205974238U
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Abstract
The utility model discloses a sulphur is infrared glass's equipment of founding in succession, it is infrared glass preparation technical field to relate to sulphur, and solve the problem forms continuous production line, and production cycle is short, the productivity is big, the product size is optional, optical uniformity is high. The main technical scheme who adopts does: two at least melting equipment, homogenising device, shaper and annealing device. Melting equipment is used for the glass raw materials purification and melts into glass liquid. Homogenising device's first feed inlet and melting equipment intercommunication for clarification and the homogenization of glass liquid are flowed in through first feed inlet. The second feed inlet of shaper and homogenising device's second discharge gate intercommunication for the hourglass material ejection of compact of glass liquid after the homogenization, portion's cooling shaping obtains the glass blank taking shape. The transport mechanism of annealing device arranges shaping troops under one's command side in, and the setting of annealing structure is used for annealing, cooling to pass through the glass blank of transport mechanism conveying above transport mechanism. Wherein, two at least melting equipment provide glass liquid for homogenising device in succession.
Description
Technical field
This utility model is related to chalcogenide infrared glass preparing technical field, more particularly, to a kind of chalcogenide infrared glass continuous
Melting equipment.
Background technology
Chalcogenide infrared glass refers to based on the elements of group via such as S, Se, Te and introduces the class that other elements are formed
Nonoxide glass.Chalcogenide infrared glass has the mid and far infrared through performance similar to monocrystalline germanium, through wave band (0.9～15 μ
M) three infrared atmospheric window mouths are covered.Meanwhile, chalcogenide infrared glass has preferable optical and thermal stability characteristic (quality), refractive index temperature system
Number only has the 10%～30% of monocrystalline germanium, is conducive to improving the temperature self-adaptation ability of infrared thermal imaging optical system, meets no
Thermalized design requires.Chalcogenide infrared glass can be shaped using accurate die pressing technology, and processing cost is low.Based on protruded above characteristic,
Chalcogenide infrared glass has been considered a new generation's no transconversion into heat infrared imaging optical system core lens material, infrared imaging guidance,
Night vision rifle is taken aim at, vehicle night vision assists the application in the national defence such as driving, safety monitoring, civilian infrared technique field increasingly extensive.With
The continuing to increase of the chalcogenide infrared glass market demand, low-cost, high-volume and high uniformly become high-quality chalcogenide infrared glass system
The developing direction of standby technology.
The melting of chalcogenide infrared glass has very strong technique particularity it is necessary to enter under vacuum or atmosphere protection environment
OK, in case the impact to infrared transmission performance for the pollution of oxidation and ambient impurities.At present, the continuous melting of chalcogenide infrared glass
Equipment generally pass through vacuum ampoule bottle method, will chalcogenide infrared glass needed raw material vacuum sealing in quartz ampoule bottle, then
Quartz ampoule bottle is heated up in rocking furnace fusing, and period is waved the vitreous humour in ampoule bottle is carried out all by body of heater
Change, after the completion of melting, quenching cooling is carried out to ampoule bottle, obtain chalcogenide infrared glass blank.But it is affected by quartz ampoule bottle and shake
The restriction of pendulum fusing, the continuous melting equipment of existing chalcogenide infrared glass belongs to batch production equipment, long the production cycle, product
Energy is little, product size is little, optical homogeneity is poor.
Utility model content
In view of this, main purpose of the present utility model is, provides a kind of continuous melting equipment of chalcogenide infrared glass,
Purpose is to define continuous production line, and with short production cycle, production capacity is big, product size is optional, optical homogeneity is high.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme：
On the one hand, this utility model provides a kind of continuous melting equipment of chalcogenide infrared glass, described chalcogenide infrared glass
Continuous melting equipment include：
At least two melting appartus, described melting appartus have the first discharging opening；Described melting appartus are used for glass is former
Material purifies and is fused into vitreous humour；
Homogenizer, described homogenizer has first charging aperture and the second discharging opening, described first charging aperture with described
First discharging opening connects；The vitreous humour that described homogenizer flows into through described first charging aperture for clarification and homogenization；
Forming device, described forming device has second charging aperture, the 3rd discharging opening and forming section, described second charging aperture
It is connected with described second discharging opening, described 3rd discharging opening is connected with described forming section, for the material leakage to vitreous humour after homogenizing
Discharging, cooling shaping obtains chunk glass；
Annealing device, described annealing device includes connecting gear and annealed structure, and described connecting gear is placed in described shaping
Below portion, described annealed structure is arranged on above described connecting gear and is used for the glass fiber that cooling is transmitted by described connecting gear
Base；
Wherein, described at least two melting appartus continuously provide described vitreous humour for described homogenizer.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, described melting appartus include：
Material crucible, described material crucible is used for housing described frit；
First heating element heater, described first heating element heater is arranged on the periphery of described material crucible, for described material
Crucible heats to melt the described frit in described material crucible；
Temperature control conveying pipeline, one end of described temperature control conveying pipeline is connected with described first discharging opening, the other end and described first
Charging aperture connects, for conveying described vitreous humour；
Wherein, described material crucible is provided with the first air inlet and the first gas outlet, and described first air inlet connects source of the gas,
Described first gas outlet connects air and vacuum system.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, described homogenizer includes：
First body of heater；
Balancing reservoir, described balancing reservoir is arranged in described first body of heater；Described balancing reservoir is provided with described first charging aperture；
Described temperature control conveying pipeline is connected through described first body of heater with described first charging aperture；
Second heating element heater, described second heating element heater is arranged on the periphery of described balancing reservoir, for described balancing reservoir
Heating is to control the temperature in described balancing reservoir to keep to homogenization temperature；
Wherein, described first body of heater is provided with the second air inlet and the second gas outlet, and described second air inlet connects source of the gas,
Described second gas outlet connects air and vacuum system.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, described homogenizer also includes：
First agitator, the stirring end of described first agitator is placed in described balancing reservoir, the drive of described first agitator
Moved end is placed in the outside of described first body of heater.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, described forming device includes：
Second body of heater；
Material leakage crucible, described material leakage crucible is arranged in described second body of heater；Described material leakage crucible is provided with described second
Charging aperture and described 3rd discharging opening；
3rd heating element heater, described 3rd heating element heater is arranged on the periphery of described material leakage crucible, for described material leakage
Crucible heats to control the temperature in described material leakage crucible to keep to forming temperature；
Material leakage pipe, one end of described material leakage pipe is connected with described 3rd discharging opening, and the other end is connected with described forming section, uses
In conveying vitreous humour；
Wherein, described second body of heater is provided with the 3rd air inlet and the 3rd gas outlet, and described 3rd air inlet connects source of the gas,
Described 3rd gas outlet connects air and vacuum system.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, forming device also includes：
Second agitator, the stirring end of described second agitator is placed in described material leakage crucible, described second agitator
Drive end is placed in the outside of described second body of heater.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, described first body of heater and described second body of heater
It is integrally formed setting.
The continuous melting equipment of foregoing chalcogenide infrared glass, wherein, described annealed structure has at least four and moves back
Fiery portion, described at least four annealing portions form tunnel type annealing portion.
On the other hand, this utility model provides a kind of method preparing chalcogenide infrared glass, using sulfur system described above
The continuous melting equipment of infrared glass, the described method preparing chalcogenide infrared glass includes：
The first step, purification fusing：The chalcogenide glass raw material such as Ge, Sb and Se by purity >=99.999% is according to predetermined ratio
Load in the material crucible of melting appartus；Material crucible is carried out with evacuation and starts under vacuum conditions to heat up for the first time, make
Material crucible carries out heating purification 5～10h under the conditions of 300～350 DEG C, 1 × 10-2Pa, after purification, material crucible is filled with dry
Dry noble gases simultaneously carry out second intensification, make material crucible carry out melting 10～20h formation glass under the conditions of 800～900 DEG C
Glass liquid；
Second step, clarification homogenizing：Noble gases will be full of in balancing reservoir, and be maintained at 850～1000 DEG C, the condition of 2atm
Under；Then described vitreous humour flows in described balancing reservoir by temperature control conveying pipeline, and turn on agitator is carried out to described vitreous humour even
Continuous stirring, obtains the good vitreous humour of homogenizing；
3rd step, material leakage shapes：Noble gases will be full of in material leakage crucible, and be maintained at 400 DEG C～600 DEG C, 2atm
Under the conditions of；Then the good vitreous humour of described homogenizing is flowed in described material leakage crucible by conveying pipeline, and turn on agitator is to described glass
Glass liquid carries out continuous stirring；The material leakage pipe being connected with material leakage crucible and forming section is warming up to more than frit fusion temperature,
Vitreous humour in material leakage crucible enters forming section by described material leakage pipe flow and is cooled into chunk glass；
4th step, annealing is produced：Connecting gear described chunk glass is sent in annealed structure and carries out lowering the temperature, anneals,
Form glass finished-product.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
The method preparing chalcogenide infrared glass as previously described, wherein, the noble gases described in second step be selected from nitrogen,
Argon, helium or neon；Noble gases described in 3rd step are selected from nitrogen, argon, helium or neon.
A kind of continuous melting equipment of the chalcogenide infrared glass providing by technique scheme, this utility model at least has
There are following advantages：
This utility model embodiment provides a kind of continuous melting equipment of chalcogenide infrared glass, by being provided with least two
Melting appartus, and the vitreous humour being placed at least two melting appartus continuously flows into homogenizing from the first discharging opening of melting appartus
In device, homogenizer homogenizing vitreous humour, the second discharging opening that the good vitreous humour of homogenizing passes through homogenizer flows into forming device,
Vitreous humour is imported to obtain chunk glass in forming section by the 3rd discharging opening of forming device, and the connecting gear of annealing device is by glass
Glass blank transmits to annealed structure to lower the temperature to chunk glass, thus obtaining glass finished-product.Compared with prior art, this utility model
The continuous melting equipment of the chalcogenide infrared glass providing makes frit pass through multiple melting appartus constantly to add, realize above-mentioned work
Make the lasting, stable of process to carry out, thus the continuous melting realizing chalcogenide glass produces, with short production cycle, production capacity is big, product chi
Very little optional, optical homogeneity is high.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the continuous melting equipment of the chalcogenide infrared glass that Fig. 1 provides for this utility model embodiment；
The method flow diagram preparing chalcogenide infrared glass that Fig. 2 provides for this utility model embodiment.
Specific embodiment
For further illustrating that this utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes the specific embodiment of technical scheme, structure, spy
Levy and its effect, after describing in detail such as.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same
One embodiment.Additionally, special characteristic in one or more embodiments, structure or feature can be combined by any suitable form.
The structural representation of the continuous melting equipment of the chalcogenide infrared glass providing for this utility model embodiment as Fig. 1.
As shown in figure 1, the continuous melting equipment of described chalcogenide infrared glass includes：At least one melting appartus 1, homogenizer 2, shaping
Device 3 and annealing device 4.Melting appartus 1 are used for for frit being fused into vitreous humour.Melting appartus 1 have the first discharging opening
111, frit is purified and is fused into vitreous humour.Homogenizer 2 has first charging aperture 221 and the second discharging opening 222, the
One charging aperture 221 is connected with the first discharging opening 111, for flowing into the clarification and homogenization of vitreous humour through first charging aperture.All disguise
Put 2 for vitreous humour that homogenizing flows into from first charging aperture 221.Forming device 3 has second charging aperture 321, the 3rd discharging opening
322 and forming section 36, second charging aperture 321 is connected with the second discharging opening 222, and the 3rd discharging opening 322 is connected with forming section 36, uses
The material leakage discharging of vitreous humour after homogenizing, cooling shaping obtains chunk glass.Wherein, the dimensions of the mould in forming section 36
Adjustable, to form the chunk glass of different specification size.Annealing device 4 includes connecting gear 41 and annealed structure 42, transmission
Mechanism 41 is placed in below forming section 36, and annealed structure 42 is arranged on connecting gear 41 top for the glass of described connecting gear transmission
The cooling of glass blank and annealing.Wherein, at least two melting appartus continuously provide vitreous humour for homogenizer.
Specific work process is：The chalcogenide glass raw material such as Ge, Sb and Se by purity >=99.999% is according to predetermined ratio
Load in melting appartus 1, frit is purified and is fused into vitreous humour by melting appartus 1 under certain conditions.Vitreous humour from
First discharging opening 111 of melting appartus 1 flows in homogenizer 2, and vitreous humour is clarified by homogenizer 2, homogenizing, the good glass of homogenizing
Glass liquid flows in forming device 3 by second discharging opening 222 of homogenizer 2, and the 3rd discharging opening 322 of forming device 3 is by glass
Glass liquid menometrorrhagia expects pipe imports in forming section 36, to form chunk glass.Chunk glass is transferred to by the connecting gear of annealing device 4
Form glass finished-product to lower the temperature, to anneal in annealed structure 42.Therefore, with the material leakage shaping of glass, annealing finished product, frit
Constantly add also by multiple melting appartus, realize the lasting, stable of above-mentioned work process and carry out, thus realizing chalcogenide glass
Continuous melting produces, and need not adopt disposable quartz ampoule bottle, repeatedly heating and cooling need not operate, need not be subject to quartz ampoule bottle size
Production capacity is limited, ensures that production capacity, realize producing in enormous quantities.In actual applications, day production capacity can reach more than hundred kilograms.
When being embodied as, the melting appartus 1 described in above-mentioned utility model embodiment include：Material crucible 11, first adds
Thermal element 12 and temperature control conveying pipeline 13.Individually below material crucible 11, the first heating element heater 12 and temperature control conveying pipeline 13 are carried out
Illustrate：
Material crucible 11 is used for housing frit.Material crucible 11 has can open capping, and material crucible 11 is provided with
First air inlet 112 and the first gas outlet 113, the first air inlet 112 connects source of the gas, and the first gas outlet 113 connects air and true
Empty set is united.When being embodied as, by the chalcogenide glass raw material such as Ge, Sb and Se of purity >=99.999% according to predetermined ratio loadingization
In material crucible 11, sealed crucible, material crucible 11 is carried out evacuation and make under vacuum conditions material crucible 11 be in 1 ×
10-2Pa.Need exist for supplement, for the ease of vitreous humour circulation, the first discharging opening 111 is located at the bottom of material crucible 11.
First heating element heater 12 is arranged on the periphery of material crucible 11, for heating material crucible 11 to melt material earthenware
Frit in crucible 11.When being embodied as, it is under vacuum state in material crucible 11, the first heating element heater 12 works to add
Transconversion into heat material crucible 11, the temperature making material crucible 11 is on the fusion temperature of frit.Wherein, the first heating element heater 12 can
To adopt resistance, and the parameter such as resistance of resistance needs to choose according to the actual requirements, and this utility model embodiment does not do concrete limit
Fixed.
One end of temperature control conveying pipeline 13 is connected with the first discharging opening 111, and the other end is connected with first charging aperture 221, is used for
Conveying vitreous humour.Wherein, temperature control conveying pipeline 13 is furnished with resistance heating valve and has insulation and/or the function of heating.When the first heating
When element 12 rises to the temperature of material crucible 11 on the fusion temperature of frit, opening resistor heating valve, glass solution
Can be flowed in homogenizer 2 by temperature control conveying pipeline 13.Wherein, the ginseng such as the caliber specification of temperature control conveying pipeline 13, conveying temperature
Number should adjust accordingly according to chalcogenide infrared glass molding viscosity, end article shape etc..
Therefore, the continuous melting equipment of the continuous chalcogenide infrared glass that this utility model embodiment provides, first in vacuum
Purification, fusing in hermetic container, volatile ingredients such as Se is fully reacted formation glass with other raw materials, and in noble gases
Clarification homogenizing further under protection malleation (2atm), significantly more efficient decreases frit volatilization it is ensured that the infrared glass of sulfur system
Glass composition and the concordance of performance, it is to avoid performance inconsistency between different heats for the batch (-type) method of smelting.
When being embodied as, the homogenizer 2 described in above-mentioned utility model embodiment includes：First body of heater 21, balancing reservoir
22nd, the second heating element heater 23.Individually below the first body of heater 21, balancing reservoir 22, the second heating element heater 23 are illustrated：
First body of heater 21 is provided with the second air inlet 211 and the second gas outlet 212, and the second air inlet 211 connects source of the gas, the
Two gas outlet 212 connects air and vacuum system.When being embodied as, evacuation is carried out to the first body of heater 21, then by the first stove
It is full of noble gases (for example, nitrogen, argon, helium or neon) in vivo, under conditions of making the first body of heater 21 be in 2atm.
Balancing reservoir 22 is arranged in the first body of heater, keeps same condition (e.g., synthermal, with pressure etc.) with the first body of heater.All
Change pond 22 and be provided with first charging aperture 221.Temperature control conveying pipeline 13 is connected through the first body of heater 21 with first charging aperture 221.Wherein,
Balancing reservoir 22 adopts quartz glass material, and the top of balancing reservoir 22 covers quartz glass cover plate.In order that vitreous humour is in balancing reservoir
In 22, abundant homogenizing is it is preferred that the second discharging opening 222 is arranged far from the side wall of first charging aperture 221, and first charging aperture
221 center line and the median perpendicular of the second discharging opening 222.
Second heating element heater 23 is arranged on the periphery of balancing reservoir 22, for heating balancing reservoir 22 to control in balancing reservoir 22
Temperature keep to homogenization temperature.Wherein, homogenization temperature is 850～1000 DEG C.When being embodied as, the second heating element heater 23 is permissible
Using resistance, and the parameter such as resistance of resistance needs to choose according to the actual requirements, and this utility model embodiment is not specifically limited.
For the vitreous humour in effective homogenizing balancing reservoir 22, the homogenizer 2 described in above-described embodiment also includes：The
One agitator 24.The stirring end of the first agitator 24 is placed in balancing reservoir 22, and the drive end of the first agitator 24 is placed in the first stove
The outside of body 21.Wherein, the first agitator 24 adopts quartz glass agitator.When being embodied as, the first agitator 24 passes through the
Quartz glass cover plate on one body of heater 21 and balancing reservoir 22 extend in balancing reservoir 22.In actual applications, by infinitely variable speeds
The drive end of motor is connected with the drive end of the first agitator 24, is stirred with the stirring end driving the first agitator 24.Therefore, originally
The continuous melting equipment of the continuous chalcogenide infrared glass that utility model embodiment provides passes through lasting mechanical agitation under high temperature, has
Beneficial to the abundant homogenizing of vitreous humour, reduce in vitreous humour in defects such as striped, calculus, be greatly improved glass uniformity and
Optical quality.
When being embodied as, the forming device 3 described in above-mentioned utility model embodiment includes：Second body of heater 31, material leakage earthenware
Crucible 32, the 3rd heating element heater 33 and material leakage pipe 34.Individually below to the second body of heater 31, material leakage crucible 32, the 3rd heating element heater 33
It is illustrated with material leakage pipe 34：
Second body of heater 31 is provided with the 3rd air inlet 311 and the 3rd gas outlet 312, and the 3rd air inlet 311 connects source of the gas, the
Three gas outlet 312 connects air and vacuum system.When being embodied as, evacuation is carried out to the second body of heater 31, then by the second stove
It is full of noble gases (for example, nitrogen, argon, helium or neon) in vivo, under conditions of making the first body of heater 21 be in 2atm.In reality
In the application of border, the second body of heater 31 can be with respect to the first body of heater 21 independently it is also possible to be integrally formed with the first body of heater 21.Specific as follows
Described：First, the second body of heater 31 first body of heater relatively 21 is independent：Second discharging opening 222 of the balancing reservoir 22 in the first body of heater 21 needs
Will, connected with the second charging aperture 321 of the material leakage crucible 32 in the second body of heater 31 by temperature control conveying pipeline, first can be prevented effectively from
Temperature between body of heater 21 and the second body of heater 31 is relatively low to cause vitreous humour to solidify；2nd, the second body of heater 31 and the first body of heater 21 one
Molding：Second of material leakage crucible 32 in second discharging opening 222 of the balancing reservoir 22 in the first body of heater 21, with the second body of heater 31 enters
Connection between material mouth 321 can adopt common pipe, saves cost.
Material leakage crucible 32 is arranged in the second body of heater, keeps same condition (e.g., synthermal, with pressure etc.) with the second body of heater.
Material leakage crucible 32 is provided with second charging aperture 321 and the 3rd discharging opening 322.Wherein, material leakage crucible 32 adopts quartz glass material,
The top of material leakage crucible 32 covers quartz glass cover plate.
3rd heating element heater 33 is arranged on the periphery of material leakage crucible 32, for heating material leakage crucible 32 to control material leakage earthenware
Temperature in crucible 32 keeps to forming temperature.Wherein, forming temperature is 400 DEG C～600 DEG C.When being embodied as, the 3rd heating unit
Part 33 can adopt resistance, and the parameter such as resistance of resistance needs to choose according to the actual requirements, and this utility model embodiment is not done
Concrete restriction.
One end of material leakage pipe 34 is connected with the 3rd discharging opening 322, and the other end is connected with forming section 36, for conveying glass
Liquid.Wherein, material leakage pipe 34 is furnished with resistance heating valve and has insulation and/or the function of heating.When the 3rd heating element heater 33 is by material leakage
When the temperature of crucible 32 rises on the fusion temperature of frit, opening resistor heating valve, glass solution can pass through material leakage
Pipe 34 flows in forming section 36；Mould cooling to be formed, the vitreous humour solidification forming in material leakage pipe 34.Wherein, material leakage pipe 34 is adopted
Use quartz glass material.In actual applications, the 3rd discharging opening 322 is arranged away from second charging aperture 321, and the 3rd discharging opening
322 center line and the median perpendicular of second charging aperture 321.Wherein, the parameter such as the caliber specification of material leakage pipe 34, material leakage temperature answers root
Adjust accordingly according to chalcogenide infrared glass molding viscosity, end article shape etc..
In order to prevent non-uniform temperature in the vitreous humour temperature-fall period in material leakage crucible 32 from producing temperature difference striped, above-mentioned
Forming device 3 described in embodiment also includes：Second agitator 35.The stirring end of the second agitator 35 is placed in material leakage crucible 32
Interior, the drive end of the second agitator 35 is placed in the outside of the second body of heater 31.Wherein, the second agitator 35 adopts quartz glass stirring
Device.When being embodied as, the second agitator 35 passes through the quartz glass cover plate on the second body of heater 31 and material leakage crucible 32 to extend into leakage
In material crucible 32.In actual applications, it is connected with the drive end of the second agitator 35 by the drive end of stepless speed-change motor, with
The stirring end driving the second agitator 35 stirs.Therefore, the company of the continuous chalcogenide infrared glass that this utility model embodiment provides
Continuous melting equipment passes through lasting mechanical agitation under high temperature, is conducive to the abundant homogenizing of vitreous humour, reduces the temperature in vitreous humour
The defects such as difference striped, are greatly improved uniformity and the optical quality of glass.
Need exist for supplement, for high-temperature oxydation reaction when preventing chunk glass from shaping, described in above-described embodiment
Forming section 36 be passed through inert gas shielding.
When being embodied as, the annealing device 4 described in above-mentioned utility model embodiment is arranged on the bottom of the second body of heater 31.
After forming section 36 forms chunk glass, connecting gear 41 drives conveyer belt by motor, and chunk glass is sent to annealing knot
In structure 42.Situation about bursting to prevent chunk glass from occurring in temperature-fall period is it is preferred that annealed structure 42 has at least four
Individual annealing portion 421, at least four annealing portion 421 forms tunnel type annealing portion 421.That is, annealed structure 42 is using how warm
Area's temperature control method, the gradient cooling of achievable chunk glass, reach the purpose of annealing.
The method flow diagram preparing chalcogenide infrared glass providing for this utility model embodiment as Fig. 2.Described prepare sulfur
The method of series infrared glass adopts the continuous melting equipment of the chalcogenide infrared glass described in above-described embodiment.As shown in Fig. 2 institute
The method of stating includes：
The first step, purification fusing：The chalcogenide glass raw material such as Ge, Sb and Se by purity >=99.999% is according to predetermined ratio
Load in the material crucible of melting appartus；Material crucible is carried out with evacuation and starts under vacuum conditions to heat up for the first time, make
After material crucible carries out toasting 5～10h purification under the conditions of 300～350 DEG C, 1 × 10-2Pa, material crucible is filled with drying lazy
Property gas carry out second intensification, so that material crucible is carried out melting 10～20h under the conditions of 800～900 DEG C and form vitreous humour.
In this step, purification fusing is divided into three phases, respectively：Charging process, purification process and melting process.Specifically
For：First, charging process：The chalcogenide glass raw material such as Ge, Sb and Se by purity >=99.999% loads fusing according to predetermined ratio
In the material crucible of device.Wherein, the particle diameter of Ge, Sb and Se frit of purity >=99.999% is 2～10mm；2nd, carry
Pure operation：Material crucible is carried out with evacuation and starts under vacuum conditions to heat up for the first time, make material crucible 300～350
DEG C, carry out under the conditions of 1 × 10-2Pa heating purification 5～10h.During this, remove frit in residual moisture, oxygen and
Other impurities.3rd, melting process：Material crucible is filled with dry inert gas and carries out second intensification, so that material crucible is existed
Carry out under the conditions of 800～900 DEG C melting 10～20h formation vitreous humour.
Second step, clarification homogenizing：Noble gases will be full of in balancing reservoir, and be maintained at 850～1000 DEG C, the condition of 2atm
Under；Then vitreous humour is flowed in balancing reservoir by temperature control conveying pipeline, and turn on agitator carries out continuous stirring to vitreous humour, obtains all
The vitreous humour changed.
In this step, turn on agitator carries out continuous stirring to vitreous humour, reaches clarification, homogenization.Wherein, indifferent gas
Body is selected from nitrogen, argon, helium or neon.
3rd step, material leakage shapes：Noble gases will be full of in material leakage crucible, and be maintained at 400 DEG C～600 DEG C, 2atm
Under the conditions of；Then the good vitreous humour of homogenizing is flowed in material leakage crucible by connecting pipe conveying pipeline, and turn on agitator is to vitreous humour
Carry out continuous stirring；The material leakage pipe being connected with material leakage crucible and forming section is warming up to more than frit fusion temperature, material leakage
Vitreous humour in crucible enters forming section by material leakage pipe flow and is cooled into chunk glass.
In this step, with the inflow of vitreous humour, material leakage crucible and material leakage Guan Zhonghui are filled with vitreous humour, due to material leakage pipe
Contact is extraneous, and temperature reduces, vitreous humour cooling nature closure material leakage pipe in material leakage pipe.When needing molding glass blank, start
The resistance heating of material leakage pipe, material leakage pipe is warmed up to more than glass melting temperature, and vitreous humour, via material leakage pipe flow to forming section, is becoming
Cool down under pattern tool and inert gas shielding, coagulation forming is the chunk glass of regulation shape and size.Wherein, noble gases choosing
From nitrogen, argon, helium or neon.
4th step, annealing is produced：Connecting gear chunk glass is sent in annealed structure and carries out lowering the temperature, anneals, and is formed
Glass finished-product.
In this step, chunk glass is formed in the transmission chain belt drive lower entrance annealed structure of connecting gear.Wherein,
Annealed structure adopts tunnel annealing furnace.Specifically annealing process is：Chunk glass in tunnel annealing furnace, in drive mechanism band
Under dynamic, pass slowly gradient cooling and complete annealing process.
This utility model embodiment is by being provided with least two melting appartus, and is placed at least two melting appartus
Vitreous humour continuously flows in homogenizer from the first discharging opening of melting appartus, homogenizer homogenizing vitreous humour, the good glass of homogenizing
The second discharging opening that glass liquid passes through homogenizer flows into forming device, and vitreous humour is imported and shapes by the 3rd discharging opening of forming device
To obtain chunk glass in portion, the connecting gear of annealing device transmits to annealed structure chunk glass to drop to chunk glass
Temperature, thus obtain glass finished-product.Compared with prior art, frit is constantly added by multiple melting appartus, realizes above-mentioned work
The lasting, stable of process is carried out, thus the continuous melting realizing chalcogenide glass produces, with short production cycle, production capacity is big, product size
Optional, optical homogeneity is high.
It should be noted that word "comprising" does not exclude the presence of part not listed in the claims or assembly.Positioned at part
Or the word "a" or "an" before assembly does not exclude the presence of multiple such parts or assembly.Word first, second and
The use of third class does not indicate that any order.These words can be construed to title.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although with reference to aforementioned reality
Apply example this utility model has been described in detail, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to wherein some technical characteristics；And these
Modification or replacement, do not make the essence of appropriate technical solution depart from spirit and the model of this utility model each embodiment technical scheme
Enclose.
Claims (8)
1. a kind of continuous melting equipment of chalcogenide infrared glass is it is characterised in that include：
At least two melting appartus, described melting appartus have the first discharging opening；Described melting appartus are used for carrying frit
Pure and be fused into vitreous humour；
Homogenizer, described homogenizer has first charging aperture and the second discharging opening, described first charging aperture and described first
Discharging opening connects；The vitreous humour that described homogenizer flows into through described first charging aperture for clarification and homogenization；
Forming device, described forming device has second charging aperture, the 3rd discharging opening and forming section, described second charging aperture and institute
State the second discharging opening to connect, described 3rd discharging opening is connected with described forming section, for the material leakage discharging to vitreous humour after homogenizing,
Cooling shaping obtains chunk glass；
Annealing device, described annealing device includes connecting gear and annealed structure, and described connecting gear is placed under described forming section
Side, described annealed structure is arranged on the glass being used for above described connecting gear that cooling and annealing are transmitted by described connecting gear
Blank；
Wherein, described at least two melting appartus continuously provide described vitreous humour for described homogenizer.
2. the continuous melting equipment of chalcogenide infrared glass according to claim 1 is it is characterised in that described melting appartus bag
Include：
Material crucible, described material crucible is used for housing described frit；
First heating element heater, described first heating element heater is arranged on the periphery of described material crucible, for described material crucible
Heating is to melt the described frit in described material crucible；
Temperature control conveying pipeline, one end of described temperature control conveying pipeline is connected with described first discharging opening, and the other end feeds with described first
Mouth connects, for conveying described vitreous humour；
Wherein, described material crucible is provided with the first air inlet and the first gas outlet, and described first air inlet connects source of the gas, described
First gas outlet connects air and vacuum system.
3. the continuous melting equipment of chalcogenide infrared glass according to claim 2 is it is characterised in that described homogenizer bag
Include：
First body of heater；
Balancing reservoir, described balancing reservoir is arranged in described first body of heater；Described balancing reservoir is provided with described first charging aperture；Described
Temperature control conveying pipeline is connected through described first body of heater with described first charging aperture；
Second heating element heater, described second heating element heater is arranged on the periphery of described balancing reservoir, for heating to described balancing reservoir
To control the temperature in described balancing reservoir to keep to homogenization temperature；
Wherein, described first body of heater is provided with the second air inlet and the second gas outlet, and described second air inlet connects source of the gas, described
Second gas outlet connects air and vacuum system.
4. chalcogenide infrared glass according to claim 3 continuous melting equipment it is characterised in that described homogenizer also
Including：
First agitator, the stirring end of described first agitator is placed in described balancing reservoir, the drive end of described first agitator
It is placed in the outside of described first body of heater.
5. the continuous melting equipment of chalcogenide infrared glass according to claim 3 is it is characterised in that described forming device bag
Include：
Second body of heater；
Material leakage crucible, described material leakage crucible is arranged in described second body of heater；Described material leakage crucible is provided with described second charging
Mouth and described 3rd discharging opening；
3rd heating element heater, described 3rd heating element heater is arranged on the periphery of described material leakage crucible, for described material leakage crucible
Heating is to control the temperature in described material leakage crucible to keep to forming temperature；
Material leakage pipe, one end of described material leakage pipe is connected with described 3rd discharging opening, and the other end is connected with described forming section, for defeated
Send vitreous humour；
Wherein, described second body of heater is provided with the 3rd air inlet and the 3rd gas outlet, and described 3rd air inlet connects source of the gas, described
3rd gas outlet connects air and vacuum system.
6. the continuous melting equipment of chalcogenide infrared glass according to claim 5 is it is characterised in that forming device also wraps
Include：
Second agitator, the stirring end of described second agitator is placed in described material leakage crucible, the driving of described second agitator
End is placed in the outside of described second body of heater.
7. chalcogenide infrared glass according to claim 5 continuous melting equipment it is characterised in that described first body of heater with
Described second body of heater is integrally formed setting.
8. the continuous melting equipment of the chalcogenide infrared glass according to any one of claim 1～7 is it is characterised in that institute
State annealed structure and there are at least four annealing portions, described at least four annealing portions form tunnel type annealing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979562.XU CN205974238U (en) | 2016-08-29 | 2016-08-29 | Sulphur is infrared glass's equipment of founding in succession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979562.XU CN205974238U (en) | 2016-08-29 | 2016-08-29 | Sulphur is infrared glass's equipment of founding in succession |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974238U true CN205974238U (en) | 2017-02-22 |
Family
ID=58040857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979562.XU Withdrawn - After Issue CN205974238U (en) | 2016-08-29 | 2016-08-29 | Sulphur is infrared glass's equipment of founding in succession |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205974238U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380060A (en) * | 2016-08-29 | 2017-02-08 | 中国建筑材料科学研究总院 | Continuous melting equipment for sulfur infrared glass |
| CN112979143A (en) * | 2021-03-12 | 2021-06-18 | 河北光兴半导体技术有限公司 | Molten glass stirring and homogenizing device, molten glass homogenizing method and glass melting furnace |
| CN115521045A (en) * | 2022-10-29 | 2022-12-27 | 刘益友 | Automatic production line for optical lens |
-
2016
- 2016-08-29 CN CN201620979562.XU patent/CN205974238U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380060A (en) * | 2016-08-29 | 2017-02-08 | 中国建筑材料科学研究总院 | Continuous melting equipment for sulfur infrared glass |
| CN106380060B (en) * | 2016-08-29 | 2019-12-10 | 中国建筑材料科学研究总院 | Continuous melting equipment for chalcogenide infrared glass |
| CN112979143A (en) * | 2021-03-12 | 2021-06-18 | 河北光兴半导体技术有限公司 | Molten glass stirring and homogenizing device, molten glass homogenizing method and glass melting furnace |
| CN115521045A (en) * | 2022-10-29 | 2022-12-27 | 刘益友 | Automatic production line for optical lens |
| CN115521045B (en) * | 2022-10-29 | 2024-04-19 | 刘益友 | Automatic production line of optical lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20191210 |