CN1049642C - Producing technology for coloured facing glass and its heat treatment equipment - Google Patents

Producing technology for coloured facing glass and its heat treatment equipment Download PDF

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CN1049642C
CN1049642C CN95106918A CN95106918A CN1049642C CN 1049642 C CN1049642 C CN 1049642C CN 95106918 A CN95106918 A CN 95106918A CN 95106918 A CN95106918 A CN 95106918A CN 1049642 C CN1049642 C CN 1049642C
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glass
temperature
glaze
stainless steel
heat treatment
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CN95106918A
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CN1137495A (en
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张锦朋
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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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
    • C03C17/04—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)

Abstract

The present invention relates to a technology for producing colored facing glass and a device thereof. With glass as a basal body, vitreous colored glaze is used for printing patterns on the surface of the glass; at the time of sintering at high temperature, heat treatment is respectively performed on each of the two surfaces of the glass according to different temperature curves, and the deformation of the glass can be reduced; quartz sand is uniformly scattered on the glaze surface of the glass, wherein the quartz sand is moistened in advance by using a water solution of Na2CO3, so that the sticking force of the contact surface between the quartz sand and concrete can be enhanced; the edge of the glass, before the glaze being applied, is ground into a circular arc, so that the bonding seams of the glass can be consistent completely. A heat treatment device is a tunnel kiln, and the body of the tunnel kiln is divided into an upper part and a lower part, with 24 temperature measuring and controlling sections.

Description

Producing technology for coloured facing glass and Equipment for Heating Processing thereof
The present invention is a kind of producing technology for coloured facing glass and Equipment for Heating Processing thereof that adheres to the buildings inner, external wall.
At present, with glass is matrix, utilizes the organic or inorganic glaze that multi color pattern is printed in the glass basis surface, and the stained glass system mouth that makes through high temperature sintering is widely used in building and ornament materials again, but enamelled glass products easily deforms when high temperature sintering, and yield rate is low.The stickup face of common this glasswork is smoother, can not paste with the cement edge, use glass cement one class adhesive bonds, can not be affixed on the eminence of buildings, poor practicability.Chinese patent 922336186 discloses a kind of glass nogging with high water absorbing capacity potter's clay layer, it is to cover one to two layer of glaze in printing on glass, republishing covering one deck aluminum oxide or oxidation silicon is the mixture of aggregate and potter's clay, and give sintering, make prepared glass nogging have the coverage rate of high water absorbing capacity, with the purpose that realizes pasting with cement, but do not point out how to solve the yielding problem of glass, Chinese patent 91102993 discloses a kind of compounded colour glass brick, it is that to adopt sheet glass printing low melting point color material (glass colour material) to make transparent glass form one side be stained glass, again at last color face with inorganic, organic binder bond is stained with stone or burns and go up the silicate grain, make it to become uneven surface, when firing, there is the yielding problem of enamelled glass products equally, aspect the solution problem on deformation, people also are in conceptual phase.
The object of the present invention is to provide a kind of technology is reasonable, deflection is little, yield rate is high coloured facing glass producing process and Equipment for Heating Processing thereof.
The coloured facing glass producing process is to realize like this, with sheet glass is matrix, print the images to the glass basis surface with glassiness color glaze, make finished product through the thermal treatment high temperature sintering again, glass overglaze thermal treatment temp is higher than the glass softening point temperature, it is characterized in that in the heat treatment step of enamelled glass, two surfaces of glass basis connect different temperature curves respectively and heat-treat, wherein, the thermal treatment temp on the no glaze surface of glass basis is lower than the softening point temperature of glass, with heat-treated, can reduce the distortion of glass effectively to the glass enamel face.At the heat treatment stages of coloured facing glass, according to the theoretical temperatures of the selected color glaze of the actual needs of all kinds of enamelled glass products, as the fusion colour temp T of color glaze 1, usually and the softening point temperature T of glass 0Difference, for same series products, the color glaze of different colours, temperature T 1Inequality again, some color glaze T 1＞T 0, some color glaze T 1＜T 0, combine with glass well in order to make color glaze, generally all determine actual color glaze face thermal treatment temp T 1All be higher than T 1And T 0, but what produce is that glass is yielding thereupon, yield rate is low, at the sintering heat treatment stages, simultaneously the another side of glass is carried out the thermal treatment of differing temps, adapts with the temperature to the glass enamel face, can reduce the distortion of glass effectively, improves yield rate.
With above-mentioned matching around the knot heat treatment step, used Equipment for Heating Processing is a tunnel kiln, be provided with the e Foerderanlage that transmits enamelled glass in the kiln, e Foerderanlage is provided with the rust steel foraminous conveyer of drive wheel, with the stainless steel foraminous conveyer in the e Foerderanlage is the boundary, body of heater is made of upper and lower two different thermal treatment zone of temperature, to realize that the different thermal treatment of temperature is carried out on the two sides of glass.
Because the colored enamelled glass products kind by high temperature sintering is more, existing in conjunction with a kind of practical, the coloured facing glass that utilizes cement to paste is described in detail production technique of the present invention and Equipment for Heating Processing thereof.
Fig. 1 is technological process of production figure of the present invention.
Fig. 2 is the two-sided thetagram of enamelled glass.
Fig. 3 is the furnace construction synoptic diagram of Equipment for Heating Processing.
Fig. 4 a is an e Foerderanlage vertical structure sectional view.
Fig. 4 b is an e Foerderanlage transversary sectional view.
Fig. 5 is an ECU electricity functional block diagram.
Sheet glass through cut, behind the garden arc edging, cleaning, drying, with selected pattern (as stone material), through photoengraving, divide and to make many monochrome film, every film is made the silk screen printing forme respectively, cofabricationly go out different color glaze, adopt the positioning overprinting method, bag is copied on the sheet glass, and the about 0.3mm of glaze layer thickness puts into Na with quartz sand 2CO 3Wetting in the aqueous solution, after drying, quartz sand is spread on the glass glaze equably, so far finish the printing glazing operation of glass, then the glass of glazing is carried out high temperature sintering, annealing thermal treatment and makes finished product, in heat treatment process, because of the fusion colour temp T of color glaze 1Near glass softening point T 0, and the color glaze colour temp T of different colours 1Also different, some is lower than T 0(as shown in Figure 2), some is higher than T 0, to being lower than T 0Color glaze, as actual sintering temperature T=T 1＜T 0, both made color glaze can fusion colour developing, but with not welding of glass surface, it is not firm that color glaze layer and vitreum bond, and is higher than glass softening point T as actual sintering temperature T 0With color glaze colour temp T 1Then color glaze not only develops the color well, and interpenetrative fusion process takes place in fused color glaze and soften glass face, generate the welding transition layer, the color glaze layer is fused on the glass surface firmly, but produces glass easy deformation problem thereupon, for this reason, take two temperature curve processing method on the thermal treatment process, press the T shown in the figure 1＜T 0Situation, just the actual sintered temperature T of the glass surface that contacts with the color glaze layer is higher than T 0And T 1, i.e. T 1＜T=T 0+ Δ T 1, Δ T wherein 1=10 ℃-30 ℃.The best is 10 ℃-20 ℃, works as T 1＞T 0The time, Δ T 120 ℃-30 ℃ of optimum ranges.The sintering temperature T ' of glass another side is lower than T 0, i.e. T '=T 0-Δ T 2, Δ T wherein 2=5-25 ℃, the best is 15 ℃-25 ℃, and purpose is to make glass of this one side keep certain rigid, and sintering temperature is lower than the glass softening point temperature, is used to adapt to the temperature of color glaze layer glass surface, and distortion is reduced, deformation rate can＜± 0.3%.The softening point temperature of sheet glass is generally between 565-580 ℃, T 1Between 560-590 ℃, work as T 0Be under 570 ℃ the situation, the different colour temp T of color glaze 1Sintering temperature choosing value sees the following form.
Softening point temperature T 0=570 ℃
Value T 1 ΔT 1 T ΔT 2 T′
575℃ 20℃ 590℃ 15℃ 555℃
585℃ 30℃ 600℃ 10℃ 560℃
565℃ 15℃ 575℃ 20℃ 550℃
560℃ 10℃ 580℃ 25℃ 545℃
590℃ 30℃ 600℃ 5℃ 565℃
For two faces to enamelled glass carry out the different sintering thermal treatment of temperature, adopt to place the observing and controlling zone of two differing tempss that the upper and lower part is divided in the kiln to heat-treat enamelled glass.The upper and lower of body of heater is respectively equipped with heating source, be lower than the softening temperature of glass for the no overglaze sintering temperature that makes glass, glass basis is placed on the stainless steel supporting plate, by the supporting guipure, drive the stainless steel supporting plate by guipure and in kiln, at the uniform velocity slide, utilize the thermal conductive resin and the thermal diffusivity of stainless steel plate, make the lower glass surface temperature be lower than softening temperature, also make the heat exchange of glass even, avoided breaking of glass, reduced distortion.
In the stucco operation on the glass glaze layer, get the 50-70 order with screening, preferably to put into concentration be 5%～25% Na to 60 order quartz sands 2CO 3Wetting in the aqueous solution, after baking box was dried, quartz sand surface promptly adhered to skim Na 2CO 3And become meltable quartz sand, after sheet glass stamps last one deck background color glaze, promptly spread the quartz sand of drying on the glaze equably through a simple hourglass plate, when carrying out high temperature sintering, quartz sand is easy to carry out the vitrifying fusion reaction with fusion color glaze, along with sintering process finishes, major part still has enough time to melt in the sand grains, formation is by the sand grains uneven surface of glassiness color glaze welding, helps increasing the contact surface with cement, strengthens cohesive force.Na 2CO 3Solution content difference can change quartzy sand grains surface attachment amount, thereby changes the melting degree of quartzy sand grains when high temperature sintering, and high-content can cause the color glaze colour developing to change, and forms irregular color spot, produces the mottled color sensation of similar grouan.Whether when having the glass sintering of quartz sand on this kind color glaze, should consider the strong bond of sand grains and color glaze, taking into account pattern again needs to show color spot and the different Na of corresponding employing 2CO 3Concentration, Δ T 1Span also be advisable at 10 ℃-30 ℃.
Utilizing garden arc beveler that the glass basis after cutting is carried out garden arc edging handles, when pasting, edge compares with existing straight flange, reach the effect of suture width unanimity easily, also made things convenient for edge to paste, simultaneously, the arc limit, garden of glass produces " light slit " to the refraction action of oblique fire incident light, has played the effect of strengthening suture texture.
Equipment for Heating Processing of the present invention is made up of tunnel like kiln and microcomputerized control cabinet two portions, 22 meters of total lengths, be provided with e Foerderanlage in the kiln, e Foerderanlage is provided with the stainless steel foraminous conveyer 3 that driving wheel 1,2 drives, with foraminous conveyer 3 is boundary, body of heater divides top 21 and bottom 5, and the heating source that the upper and lower part is provided with is separately heat-treated respectively two faces of glass 6.Vertical 12 periods of body of heater upper and lower part each minutes, full body of heater divides 24 measurement and control of temperature districts by computer temperature controller control, glazing glass is flat, and the constant speed that crouches on guipure is passed through body of heater, heat-treat by different temperature curves respectively on upper and lower two planes of glass, the e Foerderanlage of glazing glass comprises longitudinal supporting steelframe 7, laterally place a plurality of supporting iron bars 8 on it, place vertical iron wire 9 on the supporting iron bar 8 and support guipures 3 by vertical iron wire 9, stainless steel guipure 3 is under motion-work wheel 1 effect, and iron wire 9 is done the vertical equity motion relatively; Glass 6 flat crouching on the thick stainless steel plate 10 of 1.5mm, drive steel plate 10 motions by guipure 3, stainless steel plate is the good conductor of heat, it had both played the supporting plate effect, play even permanent heat conductor effect again, in the preheating zone, electric furnace plays the even heating effect by it to glass, when entering the sintering zone, the thermolysis of steel plate make glass do not have the glaze surface temperature control below softening temperature and make glass do not have the glaze surface not the inhomogeneous generation of reason heat exchange thermal stresses and make glass breakage or distortion.In order accurately to control the temperature of temperature measuring area, utilize micro computer that whole 24 sections temperature measuring areas are carried out temperature control, the thermocouple temperature measurement signal is sent into Computer Thermostat, according to temperature control scope of having imported and the pid control parameter of setting up, controls solid-state relay in conjunction with the running status of transmission.Wherein, the control output end of computer temperature controller 11 is by solid-state relay GJ 1-GJ 4Respectively with heating unit R 1-R 4Connect, the control input end of computer temperature controller 11 is connected to thermopair Y 1-Y 4With programmable controller 12, the input terminus of controller 12 is connected to running status transmitter 13, output terminal is connected with the drive-motor D of driving wheel by alternating current contactor 14, with six computer temperature controllers and a programmable controller, every computer controller is a control unit, there are 4 measurement and control of temperature points to constitute an element circuit, as shown in Figure 5.
The present invention is owing to heat-treat the two sides of enamelled glass, and the no overglaze sintering temperature of glass is controlled at below the softening point temperature of glass, just reduced the distortion of glass thus, and deformation rate＜± 0.3% can be made into 400 * 600mm 2Larger area coloured facing glass, simultaneously, utilize through Na 2CO 3The quartz sand of solution-wet has increased the contact surface and the cohesive force of glass and cement together with the color glaze sintering, the sheet glass after cutting is carried out garden arc edging in addition and handles, and the glass finished product is pasted easily, the slit unanimity.The kiln body of Equipment for Heating Processing divides the upper and lower, the multistage measurement and control of temperature district of vertical each minute of upper and lower body of heater, utilize the at the uniform velocity longitudinal motion of stainless steel guipure to drive stainless steel plate on it, the glaze of glass faces up to put down and crouches on stainless steel plate, utilize the equal permanent thermal conductivity of steel plate, make the heat exchange of glass even, avoided splitting and having reduced distortion of glass.Coloured facing glass properties index of the present invention has met or exceeded ornamental brick.

Claims (11)

1, a kind of coloured facing glass producing process, with the sheet glass after cutting is matrix, print the images to glass surface with glassiness color glaze, make finished product through the thermal treatment high temperature sintering again, glass overglaze thermal treatment temp is higher than the glass softening point temperature, it is characterized in that in the heat treatment step of enamelled glass, heat-treat by different temperature curves respectively on two surfaces of glass basis, wherein, the thermal treatment temp on the no glaze surface of glass basis is lower than 5 ℃～25 ℃ of the softening point temperatures of glass, glass overglaze sintering temperature than glass softening point temperature high 10 ℃～30 ℃.
2, coloured facing glass producing process as claimed in claim 1 is characterized in that it being to place the observing and controlling zone of two differing tempss that upper and lower two portions constitute in the kiln to heat-treat the broken glass matrix of glaze.
3, coloured facing glass producing process as claimed in claim 2, it is characterized in that glass basis is placed on the stainless steel plate, by the supporting guipure, driving the stainless steel supporting plate by guipure at the uniform velocity slides in kiln, utilize the equal permanent thermal conduction of stainless steel plate, the sintering temperature on the no glaze surface of glass is controlled at below the glass transition temperature.
4, producing technology for coloured facing glass as claimed in claim 1 is characterized in that before the enamelled glass sintering of printing behind the color glaze 50～70 order quartz sands of getting ready evenly being sprinkling upon on the glass glaze.
5, producing technology for coloured facing glass as claimed in claim 4 is characterized in that quartz sand is put in advance the Na of concentration 5%～25% 2CO 3The aqueous solution is wetting, dries standby again.
6, producing technology for coloured facing glass as claimed in claim 1 is characterized in that the sheet glass matrix after cutting is handled at advance capable garden arc edging of printing color glaze.
7, a kind of coloured facing glass heat treatment facility, it is characterized in that described thermal treatment is tunnel kiln, be provided with the e Foerderanlage that transmits enamelled glass in the kiln, e Foerderanlage is provided with the stainless steel foraminous conveyer of drive wheel, with the stainless steel foraminous conveyer in the e Foerderanlage is the boundary, and body of heater is made of upper and lower two different thermal treatment zone of temperature.
8, coloured facing glass heat treatment facility as claimed in claim 7 is characterized in that the upper and lower of body of heater respectively is provided with 12 by the temperature controlled thermometric control section of computer.
9, coloured facing glass heat treatment facility as claimed in claim 7, it is characterized in that e Foerderanlage is positioned at the body of heater bottom, place the stainless steel supporting plate on the stainless steel foraminous conveyer, transporting reticulation belt at the uniform velocity slides on the supporting iron wire that vertically is provided with by driving wheel, and the supporting iron wire is positioned on a plurality of lateral support iron bars that are provided with on the longitudinal supporting steelframe.
10, coloured facing glass heat treatment facility as claimed in claim 9, the thickness that it is characterized in that the stainless steel supporting plate is 1.5mm.
11, coloured facing glass heat treatment facility as claimed in claim 8, the control output end that it is characterized in that computer temperature controller is connected with heating unit by solid-state relay, the control input end of computer temperature controller is connected to thermopair and programmable controller, the input terminus of programmable controller is connected to the running status transmitter, and output terminal is connected with the drive-motor of driving wheel by alternating current contactor.
CN95106918A 1995-06-02 1995-06-02 Producing technology for coloured facing glass and its heat treatment equipment Expired - Fee Related CN1049642C (en)

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CN95106918A CN1049642C (en) 1995-06-02 1995-06-02 Producing technology for coloured facing glass and its heat treatment equipment

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Application Number Priority Date Filing Date Title
CN95106918A CN1049642C (en) 1995-06-02 1995-06-02 Producing technology for coloured facing glass and its heat treatment equipment

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CN1137495A CN1137495A (en) 1996-12-11
CN1049642C true CN1049642C (en) 2000-02-23

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466957B (en) * 2010-03-18 2017-02-01 杨德宁 Enameled sheet glass, and preparation method and composite board thereof
RU2643827C1 (en) * 2017-03-13 2018-02-06 Юлия Алексеевна Щепочкина Charge for producing of colored glass
CN107162436A (en) * 2017-04-07 2017-09-15 张柳松 A kind of crystal glass printing opacity encaustic and its manufacture craft
RU2670458C1 (en) * 2017-11-27 2018-10-23 Юлия Алексеевна Щепочкина Mixture for producing coloured glass
CN109264979A (en) * 2018-11-28 2019-01-25 湖南兴龙环境艺术工程有限公司 A kind of method for glass preparation having silver coating

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066415A (en) * 1991-05-04 1992-11-25 钱宏诚 Compounded colour glass brick
CN2181502Y (en) * 1992-10-14 1994-11-02 一品强化玻璃股份有限公司 Glass wall brick with high water absorption pottery clay layer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066415A (en) * 1991-05-04 1992-11-25 钱宏诚 Compounded colour glass brick
CN2181502Y (en) * 1992-10-14 1994-11-02 一品强化玻璃股份有限公司 Glass wall brick with high water absorption pottery clay layer

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