CN108585545A - A kind of production method of flame resistant glass - Google Patents
A kind of production method of flame resistant glass Download PDFInfo
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- CN108585545A CN108585545A CN201810450503.7A CN201810450503A CN108585545A CN 108585545 A CN108585545 A CN 108585545A CN 201810450503 A CN201810450503 A CN 201810450503A CN 108585545 A CN108585545 A CN 108585545A
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- salting liquid
- liquid
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- glass
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
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- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a kind of production method of flame resistant glass, (1), which prepares salting liquid, to be placed in salt liquid pool, and salting liquid composition weight number is：Cesium salt 1~5%, salt potassium 35%~45%, kerosene 10~18%, alcohol 38~45%, dispersion liquid 8~13%；(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate between two imbibition applicator rolls by the way that salting liquid is spread evenly across glass upper and lower surface；It (3) will be after 1.5~2h of glass substrate naturally dry after coating salting liquid, it is put into level-one annealing furnace and carries out primary heating and keep the temperature 15~25min, after being once cooled to 200~230 DEG C, reheating is carried out to 630~650 DEG C into two level annealing furnace, and secondary cooling is carried out to room temperature forming after keeping the temperature 10~15min.The present invention provides that a kind of equipment is simple, production time short efficient, suitable for mass production flame resistant glass production method, and in addition to this, the present invention also provides the formulas that a kind of flame resistant glass surface is coated with solution, and entire method is time saving and energy saving, reduce pollution.
Description
Technical field
The present invention relates to monolithic non-insulated type flame resistant glass production technical field, more particularly to a kind of productions of flame resistant glass
Method.
Background technology
Flame resistant glass comes across Europe first in early 1970s, belongs to one of building safety glass.With this generation
The economic liftoff of discipline, mankind's science and technology civilization and material and cultural life have obtained high speed development, and countries in the world are to building house
And the requirement of office premises is higher and higher.The English in Europe, method, De Deng states work out in succession《Code for fire protection design of buildings》、《It builds
Build object fire protecting performance test method and standard》And《Code for fire protection design of high rise buildings》Etc. regulations, these regulations go out
Platform greatly improves the security performance of flame resistant glass, and promotes the paces of flame resistant glass research and development, at present building safety glass
In industrially developed country of the world it is in rise situation year by year with the market demand of refractory heat-insulating glass.
Single-sheet fire-resistant glass can be used as indoor partition, can also be processed into hollow glass, be used as curtain wall, door and window,
Different uses position, and the fireproofing function played is different, it is therefore an objective to which the fireproof partition effect for increasing glass is striven for winning enough
Accident escape time.And traditional flame resistant glass preparation is that glass substrate is immersed in high temperature salt bath using infusion process
It is interior, it after 8-72h ion exchanges, then carries out physical toughened, is prepared into flame resistant glass more afterwards.This technology is traditional physico
Learn toughening process, it is technology maturation, reliable, in China application for many years, but since technological problems can not produce big plate face glass, and
This process contamination environment.Traditional infusion process is improved on this basis later, auxiliary electric field is introduced in salt bath, is added
Fast pond intermediate ion diffusion velocity, shorten ion-exchange time, boost voltage 40-70V, though swap time between 6-8h, it is right
The not big improvement of entire technique, and implement more difficult.
So the reform of single-sheet fire-resistant glass production method is very urgent.
Invention content
It is an object of the invention to：In view of the above problems, provide that a kind of equipment is simple, production time short-acting rate
It is high, suitable for the flame resistant glass production method of mass production, in addition to this, the present invention also provides a kind of flame resistant glass surfaces
It is coated with the formula of solution, entire method is time saving and energy saving, reduces pollution.
In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is as follows：
A kind of production method of flame resistant glass, it is characterised in that：Include the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 1~
5%, salt potassium 35%~45%, kerosene 10~18%, alcohol 38~45%, dispersion liquid 8~13%；
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface；
(3) after 1.5~2h of glass substrate naturally dry after salting liquid will be coated with, be put into level-one annealing furnace carry out it is primary
15~25min is heated and kept the temperature, after being once cooled to 200~230 DEG C, reheating is carried out extremely into two level annealing furnace
630~650 DEG C, secondary cooling is carried out to room temperature forming after keeping the temperature 10~15min.
Preferably, the cesium salt is cesium chloride, and the sylvite is potassium chloride, and the dispersion liquid disperses for nano silicon dioxide
Liquid, the concentration of potassium ion and cesium ion and be 30% in the salting liquid.
Preferably, the preparing process of the salting liquid is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in
After being stirred 3~5min in dispersion liquid with the speed of 100~130r/min, it is kept stirring and continues to sequentially add alcohol and coal
Oil.
Preferably, the apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and miniature return liquid system, the suction
Liquid applicator roll includes upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, the miniature return liquid system and upper roller
It is connected as upper roller offer salting liquid to be powered, glass substrate, which transmits to pass through between upper roller and lower roll by transfer roller, completes salt
The coating of solution.
Preferably, it is that glass substrate is located on transfer roller from upper roller that salting liquid is spread evenly across glass by the apparatus for coating
Pass through between lower roll, the salting liquid of dipping is spread evenly across glass upper and lower surface by upper roller and lower roll.
Preferably, the level-one annealing furnace includes preheating section and bringing-up section, and the temperature of the preheating section is 580~630 DEG C,
Preheating time is 2~3min, and the temperature of the bringing-up section is 690~710 DEG C, and heating time is 5~12min.
Preferably, the primary cooling is realized by cooling air grid, and cooling time is 30~60s, the cooling air grid
Power is 295KW, and wind pressure is 80~120PA.
Preferably, the secondary cooling is directly to be down to room temperature by the spray of dilute salting liquid, and the dilute salting liquid is chlorine
Change the solution of potassium 0.1mol/L.
Preferably, the glass tempering processing equipment includes sequentially connected level-one annealing furnace, cooling air grid, two level tempering
Stove and spray equipment, and thermal insulation board is equipped between two adjacent equipment.
Preferably, the flow of the spray equipment is 0.1~0.5m3/s。
Flame resistant glass prepared by the present invention can realize that the principle of fire protecting performance is as follows：Salting liquid is applied to glass surface,
Potassium and caesium have extremely strong ionizing power, and ion exchange can occur with the sodium in glass and form one layer of expansion on the surface of glass
Layer, the surface that the coefficient of expansion of expanding layer is lower than middle layer is low, when cooling the higher middle layer of the coefficient of expansion to the coefficient of expansion compared with
Low superficial layer generates stretching action so that the two contraction is inconsistent, and superficial layer is placed under compression, and middle layer then generates
The tensile stress of compensating action improves the thermal stress resistance performance of glass by interaction, and there is chemistry in the process
Ion exchange enhances the intensity of glass in ion exchange process, can also introduce physics steel that is, with big ion exchange small ion
Change means further enhance strength of glass, increase cooling wind pressure when glass tempering, it can be ensured that the enhancing of strength of glass ensures glass
Glass granularity.
In conclusion by adopting the above-described technical solution, being compared with traditional " infusion process ", " spray coating method ", the present invention
It has the advantage that：
(1) production method of flame resistant glass disclosed in the present invention first carries out edging, and glass edge is using at fine-grinding and polishing
Reason improves glass quality of edges, can increase physical toughened intensity, glass self-explosion probability is reduced, by rolling method in glass table
Salting liquid is coated in face can make the coating of glass surface saline solution evenly, and can avoid the waste or unrestrained of solution, in glass surface
It carries out its naturally dry 2 hours after the roller coating of salting liquid being Best Times, salting liquid is abundant in glass surface in this period
Ion-exchange reactions is carried out, potassium ion and cesium ion carry out ion exchange with the sodium ion in glass in solution, are carrying out tempering
Wind pressure is suitably increased when processing, granularity can maintain 60-80 or so, and ensure the intensity of glass.It is used in salting liquid
Alcohol and kerosene make the diffusion velocity of solution fast as solvent, accelerate glass surface ion exchange rate.
(2) technical equipment in the present invention is simple, and investment is relatively small, and recycling is quick, changes along with use is novel
Good K Cs salting liquids carry out ion exchange in glass surface, and the time is short, are applicable in and produce in enormous quantities, and are smeared using paint roller method
K/Cs solution is not in waste of material, also avoids the pollution to environment.
Description of the drawings
Fig. 1 is the production equipment structural schematic diagram of the present invention；
Fig. 2 is rolling method device structure schematic diagram in the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, preferred embodiment is enumerated below, to this hair
Bright further description.However, it is necessary to illustrate, many details listed in specification are used for the purpose of making reader to this
There are one thorough explanations for the one or more aspects of invention, can also realize the present invention's even without these specific details
These aspects.
Embodiment 1
A kind of production method of flame resistant glass, includes the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 1%, salt
Potassium 35%, kerosene 10%, alcohol 38%, dispersion liquid 8%, cesium salt are cesium chloride, and the sylvite is potassium chloride, and the dispersion liquid is
Nano silicon dioxide dispersion, the concentration of potassium ion and cesium ion and be 30% in the salting liquid；The preparing process of salting liquid
For：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in dispersion liquid and are stirred with the speed of 100r/min
After 3min, it is kept stirring and continues to sequentially add alcohol and kerosene.
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface, apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and micro-
Type return liquid system, the imbibition applicator roll include upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, described micro-
Type return liquid system is connected as upper roller offer salting liquid with upper roller and is powered, and glass substrate is transmitted from upper roller by transfer roller under
The coating for completing salting liquid is passed through between roller.
(3) will be coated with salting liquid after glass substrate naturally dry 1.5h after, be put into level-one annealing furnace carry out once plus
Heat simultaneously keeps the temperature 15min, after being once cooled to 200 DEG C, carries out reheating to 630 DEG C into two level annealing furnace, keeps the temperature
Storage is drained after carrying out secondary cooling to room temperature forming after 10min.Level-one annealing furnace includes preheating section and bringing-up section, the preheating
The temperature of section is 580 DEG C, preheating time 2min, and the temperature of the bringing-up section is 690 DEG C, heating time 5min, primary cold
But realized by cooling air grid, cooling time 30s, the power of the cooling air grid is 295KW, wind pressure 80PA, secondary cold
But it is that room temperature is directly down to by the spray of dilute salting liquid, the dilute salting liquid is the solution of potassium chloride 0.1mol/L, spray dress
The flow set is 0.1m3/ s, glass tempering processing equipment include sequentially connected level-one annealing furnace, cooling air grid, two level tempering
Stove and spray equipment, and thermal insulation board is equipped between two adjacent equipment.
Embodiment 2
A kind of production method of flame resistant glass, includes the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Salt caesium 5%, salt
Potassium 45%, kerosene 18%, alcohol 45%, dispersion liquid 13%, cesium salt are cesium chloride, and the sylvite is potassium chloride, the dispersion liquid
For nano silicon dioxide dispersion, the concentration of potassium ion and cesium ion and be 30% in the salting liquid；The preparation work of salting liquid
Skill is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in dispersion liquid and are stirred with the speed of 130r/min
After 5min, it is kept stirring and continues to sequentially add alcohol and kerosene.
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface, apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and micro-
Type return liquid system, the imbibition applicator roll include upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, described micro-
Type return liquid system is connected as upper roller offer salting liquid with upper roller and is powered, and glass substrate is transmitted from upper roller by transfer roller under
The coating for completing salting liquid is passed through between roller.
(3) it by after the glass substrate naturally dry 2h after coating salting liquid, is put into level-one annealing furnace and carries out primary heating
And 25min is kept the temperature, after being once cooled to 230 DEG C, reheating is carried out to 650 DEG C into two level annealing furnace, keeps the temperature 15min
Storage is drained after carrying out secondary cooling to room temperature forming afterwards.Level-one annealing furnace includes preheating section and bringing-up section, the preheating section
Temperature is 630 DEG C, preheating time 3min, and the temperature of the bringing-up section is 710 DEG C, heating time 12min, primary cooling logical
Supercooling air grid realizes, cooling time 60s, the power of the cooling air grid is 295KW, wind pressure 120PA, and secondary cooling is
It is directly down to room temperature by the spray of dilute salting liquid, the dilute salting liquid is the solution of potassium chloride 0.1mol/L, spray equipment
Flow is 0.5m3/ s, glass tempering processing equipment include sequentially connected level-one annealing furnace, cooling air grid, two level annealing furnace and
Spray equipment, and thermal insulation board is equipped between two adjacent equipment.
Embodiment 3
A kind of production method of flame resistant glass, includes the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 2%, salt
Potassium 38%, kerosene 12%, alcohol 40%, dispersion liquid 10%, cesium salt are cesium chloride, and the sylvite is potassium chloride, the dispersion liquid
For nano silicon dioxide dispersion, the concentration of potassium ion and cesium ion and be 30% in the salting liquid；The preparation work of salting liquid
Skill is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in dispersion liquid and are stirred with the speed of 120r/min
After 4min, it is kept stirring and continues to sequentially add alcohol and kerosene.
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface, apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and micro-
Type return liquid system, the imbibition applicator roll include upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, described micro-
Type return liquid system is connected as upper roller offer salting liquid with upper roller and is powered, and glass substrate is transmitted from upper roller by transfer roller under
The coating for completing salting liquid is passed through between roller.
(3) will be coated with salting liquid after glass substrate naturally dry 1.8h after, be put into level-one annealing furnace carry out once plus
Heat simultaneously keeps the temperature 18min, after being once cooled to 210 DEG C, carries out reheating to 635 DEG C into two level annealing furnace, keeps the temperature 10
Storage is drained after carrying out secondary cooling to room temperature forming after~15min.Level-one annealing furnace includes preheating section and bringing-up section, described pre-
The temperature of hot arc is 590 DEG C, preheating time 2min, and the temperature of the bringing-up section is 700 DEG C, heating time 8min, once
Cooling to be realized by cooling air grid, cooling time is 30~60s, and the power of the cooling air grid is 295KW, wind pressure 90PA,
Secondary cooling is directly to be down to room temperature by the spray of dilute salting liquid, and the dilute salting liquid is the solution of potassium chloride 0.1mol/L,
The flow of spray equipment is 0.3m3/ s, glass tempering processing equipment include sequentially connected level-one annealing furnace, cooling air grid, two
Grade annealing furnace and spray equipment, and thermal insulation board is equipped between two adjacent equipment.
Embodiment 4
A kind of production method of flame resistant glass, includes the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 3%, salt
Potassium 40%, kerosene 14%, alcohol 42%, dispersion liquid 10%, cesium salt are cesium chloride, and the sylvite is potassium chloride, the dispersion liquid
For nano silicon dioxide dispersion, the concentration of potassium ion and cesium ion and be 30% in the salting liquid；The preparation work of salting liquid
Skill is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in dispersion liquid and are stirred with the speed of 120r/min
After 4min, it is kept stirring and continues to sequentially add alcohol and kerosene.
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface, apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and micro-
Type return liquid system, the imbibition applicator roll include upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, described micro-
Type return liquid system is connected as upper roller offer salting liquid with upper roller and is powered, and glass substrate is transmitted from upper roller by transfer roller under
The coating for completing salting liquid is passed through between roller.
(3) it by after the glass substrate naturally dry 2h after coating salting liquid, is put into level-one annealing furnace and carries out primary heating
And 20min is kept the temperature, after being once cooled to 220 DEG C, reheating is carried out to 640 DEG C into two level annealing furnace, keeps the temperature 12min
Storage is drained after carrying out secondary cooling to room temperature forming afterwards.Level-one annealing furnace includes preheating section and bringing-up section, the preheating section
Temperature is 610 DEG C, preheating time 3min, and the temperature of the bringing-up section is 700 DEG C, heating time 9min, primary cooling logical
Supercooling air grid realizes, cooling time 45s, the power of the cooling air grid is 295KW, wind pressure 100PA, and secondary cooling is
It is directly down to room temperature by the spray of dilute salting liquid, the dilute salting liquid is the solution of potassium chloride 0.1mol/L, spray equipment
Flow is 0.3m3/ s, glass tempering processing equipment include sequentially connected level-one annealing furnace, cooling air grid, two level annealing furnace and
Spray equipment, and thermal insulation board is equipped between two adjacent equipment.
Embodiment 5
A kind of production method of flame resistant glass, includes the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 4%, salt
K42 %, kerosene 16%, alcohol 43%, dispersion liquid 11%, cesium salt are cesium chloride, and the sylvite is potassium chloride, the dispersion liquid
For nano silicon dioxide dispersion, the concentration of potassium ion and cesium ion and be 30% in the salting liquid；The preparation work of salting liquid
Skill is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in dispersion liquid and are stirred with the speed of 120r/min
After 4min, it is kept stirring and continues to sequentially add alcohol and kerosene.
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface, apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and micro-
Type return liquid system, the imbibition applicator roll include upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, described micro-
Type return liquid system is connected as upper roller offer salting liquid with upper roller and is powered, and glass substrate is transmitted from upper roller by transfer roller under
The coating for completing salting liquid is passed through between roller.
(3) it by after the glass substrate naturally dry 2h after coating salting liquid, is put into level-one annealing furnace and carries out primary heating
And 22min is kept the temperature, after being once cooled to 225 DEG C, reheating is carried out to 645 DEG C into two level annealing furnace, keeps the temperature 13min
Storage is drained after carrying out secondary cooling to room temperature forming afterwards.Level-one annealing furnace includes preheating section and bringing-up section, the preheating section
Temperature is 620 DEG C, and preheating time is 2~3min, and the temperature of the bringing-up section is 705 DEG C, heating time 10min, primary cold
But realized by cooling air grid, cooling time 50s, the power of the cooling air grid is 295KW, wind pressure 110PA, secondary cold
But it is that room temperature is directly down to by the spray of dilute salting liquid, the dilute salting liquid is the solution of potassium chloride 0.1mol/L, spray dress
The flow set is 0.4m3/ s, glass tempering processing equipment include sequentially connected level-one annealing furnace, cooling air grid, two level tempering
Stove and spray equipment, and thermal insulation board is equipped between two adjacent equipment.
Embodiment 6
A kind of production method of flame resistant glass, includes the following steps：
(1) salting liquid of coating is configured and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 4%, salt
K43 %, kerosene 16%, alcohol 43%, dispersion liquid 12%, cesium salt are cesium chloride, and the sylvite is potassium chloride, the dispersion liquid
For nano silicon dioxide dispersion, the concentration of potassium ion and cesium ion and be 30% in the salting liquid；The preparation work of salting liquid
Skill is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in dispersion liquid and are stirred with the speed of 120r/min
After 4min, it is kept stirring and continues to sequentially add alcohol and kerosene.
(2) be sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate from two imbibition applicator rolls it
Between by the way that salting liquid is spread evenly across glass upper and lower surface, apparatus for coating includes salt liquid pool, transfer roller, imbibition applicator roll and micro-
Type return liquid system, the imbibition applicator roll include upper roller and lower roll, and the lower roll is contacted with the salting liquid in salt liquid pool, described micro-
Type return liquid system is connected as upper roller offer salting liquid with upper roller and is powered, and glass substrate is transmitted from upper roller by transfer roller under
The coating for completing salting liquid is passed through between roller.
(3) will be coated with salting liquid after glass substrate naturally dry 1.8h after, be put into level-one annealing furnace carry out once plus
Heat simultaneously keeps the temperature 23min, after being once cooled to 220 DEG C, carries out reheating to 640 DEG C into two level annealing furnace, keeps the temperature
Storage is drained after carrying out secondary cooling to room temperature forming after 13min.Level-one annealing furnace includes preheating section and bringing-up section, the preheating
The temperature of section is 620 DEG C, preheating time 3min, and the temperature of the bringing-up section is 710 DEG C, heating time 11min, primary cold
But realized by cooling air grid, cooling time 55s, the power of the cooling air grid is 295KW, wind pressure 110PA, secondary cold
But it is that room temperature is directly down to by the spray of dilute salting liquid, the dilute salting liquid is the solution of potassium chloride 0.1mol/L, spray dress
The flow set is 0.4m3/ s, glass tempering processing equipment include sequentially connected level-one annealing furnace, cooling air grid, two level tempering
Stove and spray equipment, and thermal insulation board is equipped between two adjacent equipment.
The fire prevention for being produced embodiment 1-5 according to the detection method of GB 15763.1-2009 safety glasses for building
Glass is tested, and detection data is as follows：
From the above data, the flame resistant glass of this method production can be examined by national standard, and glass is without chip, nothing
Cut and calculus, crackle and unfilled corner situation is not present, and the fire resistance of all samples can be up to state standards：Sample inclination
Degree is 90 °, and fire resistance test proceeds to non-lost integrity when 90min, is to be less than away from the heat flux at sample back of the body fire face 1m
5kw/m2, for sample fire integrity more than 1.5h, curvature and visible transmission ratio are 0, when carrying out shock resistance experiment
The non-fragmentation of glass, fragmentation status is between 60~80 pieces, and without strip fragment.It follows that fire prevention glass disclosed by the invention
Glass production method practicability and effectiveness carries out ion exchange using new and improved K Cs salting liquids in glass surface, and the time is short, fits
With mass production, and it is not in waste of material to smear K/Cs solution using paint roller method, also avoids the pollution to environment, and
The quality of glass is guaranteed.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of production method of flame resistant glass, it is characterised in that：Include the following steps：
(1) salting liquid is prepared and is placed in salt liquid pool, salting liquid composition weight number is：Cesium salt 1~5%, salt potassium 35%
~45%, kerosene 10~18%, alcohol 38~45%, dispersion liquid 8~13%；
(2) it is sent to apparatus for coating after glass substrate being polished fine grinding, glass substrate is equal by salting liquid by apparatus for coating
It is even to be coated on glass upper and lower surface；
(3) it by after 1.5~2h of glass substrate naturally dry after coating salting liquid, is put into level-one annealing furnace and carries out primary heating
And keep the temperature 15~25min, after being once cooled to 200~230 DEG C, into two level annealing furnace carry out reheating to 630~
650 DEG C, secondary cooling is carried out to room temperature forming after keeping the temperature 10~15min.
2. a kind of production method of flame resistant glass according to claim 1, it is characterised in that：The cesium salt is cesium chloride,
The sylvite is potassium chloride, and the dispersion liquid is nano silicon dioxide dispersion, potassium ion and cesium ion in the salting liquid
Concentration and be 30%.
3. a kind of production method of flame resistant glass according to claim 1 or 2, it is characterised in that：The salting liquid is matched
Technique processed is：Each component is weighed according to proportioning, cesium chloride and potassium chloride are placed in the speed in dispersion liquid with 100~130r/min
After being stirred 3~5min, it is kept stirring and continues to sequentially add alcohol and kerosene.
4. a kind of production method of flame resistant glass according to claim 1, it is characterised in that：The apparatus for coating includes salt
Liquid pool, transfer roller, imbibition applicator roll and miniature return liquid system, the imbibition applicator roll include upper roller and lower roll, the lower roll with
Salting liquid contact in salt liquid pool, the miniature return liquid system are connected as upper roller offer salting liquid with upper roller and are powered, glass
Substrate is transmitted by transfer roller passes through the coating for completing salting liquid between upper roller and lower roll.
5. a kind of production method of flame resistant glass according to claim 1 or 4, it is characterised in that：The apparatus for coating will
It is that glass substrate is located on transfer roller and passes through between upper roller and lower roll that salting liquid, which is spread evenly across glass, and upper roller and lower roll will leachings
The salting liquid of stain is spread evenly across glass upper and lower surface.
6. a kind of production method of flame resistant glass according to claim 1, it is characterised in that：The level-one annealing furnace includes
The temperature of preheating section and bringing-up section, the preheating section is 580~630 DEG C, and preheating time is 2~3min, the temperature of the bringing-up section
Degree is 690~710 DEG C, and heating time is 5~12min.
7. a kind of production method of flame resistant glass according to claim 1, it is characterised in that：The primary cooling passes through cold
But air grid is realized, cooling time is 30~60s, and the power of the cooling air grid is 295KW, and wind pressure is 80~120PA.
8. a kind of production method of flame resistant glass according to claim 1, it is characterised in that：The secondary cooling is to pass through
The spray of dilute salting liquid is directly down to room temperature, and the dilute salting liquid is the solution of potassium chloride 0.1mol/L.
9. a kind of production method of flame resistant glass according to claim 1, it is characterised in that：The glass tempering processing is set
Standby includes sequentially connected level-one annealing furnace, cooling air grid, two level annealing furnace and spray equipment, and between two adjacent equipment
Equipped with thermal insulation board.
10. a kind of production method of flame resistant glass according to claim 9, it is characterised in that：The stream of the spray equipment
Amount is 0.1~0.5m3/s。
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