64results about How to "Improve glass quality" patented technology

The present invention discloses a device for processing columnar curved tempered glass. The device mainly comprises a glass heating furnace, a glass bending mechanism and a glass tempering mechanism connected sequentially, wherein the arrangement of each supporting roller in the rollers supporting the high temperature flat glass is changed from planar arrangement in space into curved arrangement corresponding to the shape of the glass to be formed, so that the glass bending mechanism enables the glass to suffer bending deformation. Transferring rollers for outputting the formed curved glass in the axial direction of the supporting roller are arranged at the clearance of the rollers of the bending mechanism. In the present invention, bending shaping and tempering of the high temperature flat glass are completed by two stations to break the normal procedure that bending shaping tempering are carried out by one bending appliance intensively, thereby providing a novel technological approach for processing columnar curved tempered glass.

A device and method for the plaining of glasses or glass-ceramics. The device is provided with a melting vat, at least two plaining containers serially connected after the outlet of the melting vat, and at least one of the plaining containers is built in accordance with the skull principle from a plurality of metal tubes comprising a cooling agent connection and a high-frequency device for inductively coupling high-frequency energy into the contents of the plaining container.

The present invention discloses a method for raising glass quality and its equipment. It includes glass melting furnace, clarifying zone and stirring zone, etc. It is characterized by that between glass melting furnace and stirring zone at least two parallel clarifying zones are set, the molten glass can parallelly flow through said clarifying zones, then can be collected in the stirring zone, so that it not only can meet the requirements for making large flow capacity of molten glass be passed through said clarifying zones, but also can raise glass quality.

The invention discloses a process for preparing an activated mixed material through strand sintering of coal gangue. The process comprises the following steps: (1) crushing; (2) preparing materials, and uniformly mixing, namely sufficiently and uniformly mixing crushed coal gangue, quick lime, a carbon fuel and water in a cylinder mixing machine in a set ratio; (3) pelletizing, namely pelletizingthe uniformly mixed minerals into beads of a preset granularity; (4) sintering, namely performing allocation, ignition, air sucking sintering and cooling on the pelletized beads in a strand air sucking sintering machine; (5) crushing and finely grinding, namely crushing the sintered material, and finely grinding till a set specific surface area, thereby obtaining the activated mixed material. Theinvention provides the process for preparing an activated mixed material through strand sintering of coal gangue, by virtue of the properties that a combustion zone is high in temperature and short intime in the sintering process, a vitric phase can be formed, meanwhile, the sintered material mainly contains an oxidation atmosphere, harmful components such as organic matters, residual carbon andsulfur in the coal gangue can be removed at a high temperature, and the cementing property, the freezing resistance and the durability of cement are protected from adverse influence of the harmful components.

The invention relates to an apparatus and a method for low-contamination melting of high-purity, aggressive and/or high-melting glass or glass-ceramic. According to the invention, for this purpose a melt is heated in a crucible or melting skull crucible by means of high-frequency radiation and is mixed or homogenized in the melting crucible. It is preferable for a gas nozzle, from which gas bubbles, e.g. oxygen bubbles (known as O₂ bubbling), escape into the melt, to be provided at the base of the crucible. This alone makes it possible to achieve surprising multiple benefits in the melting skull crucible. Firstly, unmelted batch which drops into the melt in solid form, for example from above, is melted down more quickly as a result of more intensive mixing with the liquid fraction of the melt, secondly the temperature distribution in the melt is made more even, thirdly a uniform distribution or mixing of different glass constituents is achieved, and fourthly the redox state of the glass can be adjusted.

To provide a bushing of strong structure which is reduced in the quantity of substance evaporated from the bushing and enables the formation of high-precision glass filaments. A bushing (1) for producing glass continuous filaments (F) by making molten glass (G) flow out through nozzles (6) of a bushing plate (4), wherein a coating film (7) made of a material selected from the group consisting of ceramics, glass-ceramics and glass covers the outside surface of the bushing plate (4) except the outer peripheral surfaces of the nozzles (6) and the end face; a process for the production of glass continuous filaments by producing glass filaments for composite materials with the bushing (1) while watching the outside surface of the bushing plate (4) and the state of spinning; and a process for the production of the bushing (1) which comprises the bushing body formation step of assembling a bushing body (2), the coating step of forming a coating on at least the outside surface of the bushing plate (4) of the bushing body (2), and the baking step of heating the coating to convert it into a dense-structure film.

The invention discloses a seepage and corrosion resistant casting material. The casting material comprises an A composition, a B composition and a C composition, wherein the weight percentage of various compositions is calculated by the 100 total weight percentage of the casting material; the A composition is a uniform mixture of the following compositions: 13 to 18 percent of 5-7 mm fused zircon corundum, 12 to 20 percent of 3-5 mm fused zircon corundum, 19 to 27 percent of 1-3 mm fused zircon corundum and 12 to 18 percent of 0-1 mm fused zircon corundum; the B composition is a uniform mixture of the following compositions: 3 to 5 percent of activated alumina micro powder, 2 to 4 percent of low-iron silica fume, 3 to 7 percent of desilicate zirconium, 2 to 10 percent of zircon powder and 2 to 10 percent of white alundum powder; and the C composition is a uniform mixture of the following compositions: 1 to 3 percent of alumina cement and 0.05 to 0.15 percent of sodium tripolyphosphate. The seepage and corrosion resistant casting material has the advantage of strong capacity of resisting corrosion of glass chemistry and the like.

The invention discloses a fuel feeding proportion adjustable combustor. The combustor comprises a fireproof unit, a metal part, a fuel flow control device, a fuel-third oxidizing agent feeding system,a first oxidizing agent feeding system and a second oxidizing agent feeding system, wherein the fuel-third oxidizing agent feeding system comprises a fuel burner as a plurality of third oxidizing agent channels; the first oxidizing agent feeding system comprises a plurality of first oxidizing agent channels; the second oxidizing agent feeding system comprises a plurality of second oxidizing agentchannels. The fuel burner comprises second fuel injection pipes located at the center and first fuel injection pipes defined by the outer walls of the second fuel injection pipes and the inner wall of the burner. The combustor provided by the invention can be used for a multi-fuel kiln furnace and can adjust the feeding proportions of various fuels.

An energy saving ultra clear glass kiln comprises a plurality of cooling forehearth limbs and a melting zone, a clarification zone and a neck that are successively connected. At least one neck is included, and each neck is connected to at least one cooling forehearth limb and provided with a molten glass deep separation apparatus. One the one hand, each neck communicates with at least one cooling forehearth limb, namely a cooling transverse pathway is canceled, and a structure form of direct communication to the forehearth limb is employed; the cooling forehearth limb becomes an independent cooling portion, is in a small cooling portion arrangement and has little heat radiation; therefore, an area of the cooling portion is reduced, and molten glass flow in the cooling portion is smooth, and each ton of molten glass (discharge) accounts for 0.1-0.15m<2> of the cooling portion. on the other hand, the arrangement of molten glass deep separation apparatus compresses width of the neck, increases length of the neck, reduces a circulation section area of the molten glass at the neck, separates the molten glass in the neck and plays a role of reducing backflow of the molten glass. Thereby, the amount of the molten glass with obviously reduced temperature in the cooling portion flowing back to the clarification zone and the melting zone through the neck is effectively reduced, and liquid flow of the molten glass is much reasonable. The kiln has good energy saving effect.

The optical glass has an index of refraction (n_d) greater than or equal to 1.70, an Abbé number (ν_d) greater than or equal to 35 and a density (ρ) less than or equal to 4.5 g/cm³. Optical elements made with this optical glass are especially desirable in optical data transfer applications, particularly in read-write devices with movable read-write heads. The glass compositions required to make optical glass with these properties are described.

The invention relates to a system for realizing automatic detection of electronic glass defects. The system comprises a photographing module, a defect detecting module and a display module, wherein the photographing module is used for acquiring an image of electronic glass; the defect detecting module is used for analyzing the image of the electronic glass to obtain a plurality of divided objects and treating each divided object by a defect location process and a defect classification process to obtain defect type of each divided object; the display module is used for displaying the information of the defect type of each divided object. By adopting the system for realizing the automatic detection of the electronic glass defects, the detection efficiency for the electronic glass is improved, waste of labor is reduced, the detection cost is lowered, the detection accuracy and the glass quality are improved, automation degree of an enterprise is increased, large-scale popularization of an automatic glass detection system is facilitated, and the system has a relatively wide application range.

The invention discloses a one-kiln multi-line molten glass shunting melting furnace, which comprises a melting part, a neck, a working part and branch paths, wherein the melting part is communicated with the working part through the neck, the melting part is used for heating, melting and clarifying molten glass, the front portion of the working part is wide, the rear portion of the working part isnarrow, and a plurality of the branch paths are arranged on two sides of the working part. According to the invention, the novel one-kiln multi-line molten glass shunting melting furnace can meet thelow-energy-consumption plate glass production of a 800-1250 ton large-tonnage melting furnace, can improve the uniformity of molten glass in each branch path and the glass quality, and can effectively solve the quality problems of large temperature difference of molten glass in each branch path, poor uniformity and the like in the molten glass shunting process of a one-kiln multi-line melting furnace, particularly a one-kiln melting furnace with more than four lines.

A support system for recycling a glass material to which an electronic tag is attached, the support system includes: a first storing device for storing information about plural types of glass materials corresponding to plural glass material identification data that are stored in electronic tags attached to glass materials; a reading device for reading a glass material identification data from an electronic tag that is attached to a discarded glass material; a determining device for determining a particular type of the discarded glass material based on the glass material identification data read by the reading device by referring to information about the types of glass materials stored in the first storing device; and a displaying device for displaying the type of the discarded glass material.

The invention provides a time sequence classification analysis method and system for glass quality influence factors, and the method comprises the steps: obtaining original time sequence data collected by each sensor on a glass production line and corresponding glass quality data, and adding a label to the glass quality data according to a glass quality index; segmenting the time sequence data to correspond to glass quality labels; performing feature construction on the processed time sequence data through data analysis, and analyzing and finding out relatively important time sequence features; dividing a training set and a verification set, respectively using a random forest, xgboost and lightgbm modes to construct a time sequence classification model, and iteratively training the model; the importance score obtained on the basis of a Permutation implication feature selection method and the importance score obtained by weighting results obtained by feature importance functions of corresponding models on the basis of prediction accuracy of a random forest model, an xgboost model and a lightgbm model are integrated, and a factor analysis result influencing the glass quality is obtained so as to correspondingly control factors on a glass production line.

The invention discloses glass coating equipment. The glass coating equipment comprises a coating chamber, a vacuum conversion chamber, a target and a magnetic fluid sealing device; the magnetic fluid sealing device comprises an outer sleeve, a micro screw, an inner shaft, a medium screw and magnetic fluid; the magnetic fluid comprises magnetic powder and interface active agent; the inner shaft is sleeved in the outer sleeve and axially parallel to the outer sleeve; the inner shaft and the outer sleeve are connected and fixed by the micro screw and the medium screw; a clearance is formed between the inner shaft and the outer sleeve; and the magnetic fluid is filled in the clearance between the inner shaft and the outer sleeve. The equipment effectively solves the problems that the vacuum sealing device in the conventional glass coating equipment is easily aged and deformed and leaks air and the like, and realizes high sealing of the target in the glass coating equipment.

A melt tank for the production of a glass melt having a low portion of bubbles. The melt tank includes an inlet opening, an outlet opening, a floor, at least two side walls that adjoin the floor, a roof. The glass melt having a first bath depth in a melting segment, a second bath depth in a refining segment, and a third bath depth over a threshold between and smaller than the first and second bath depths. An electrical produced first heat energy is supplied via a multiplicity of electrodes that extend into the glass melt and a second heat energy is produced by the combustion of fossil fuel via at least one burner. Also, a method for producing a glass melt.

The invention relates to the technical field of glass production, in particular to a system for effectively controlling erosion of a glass melting furnace. The system comprises a melting furnace body and a cooling device; the melting furnace body comprises a pool wall brick and a cooling chamber arranged in the pool wall brick; the side wall of the cooling chamber is concaved towards the junction of a glass liquid flushing liquid level in the glass melting furnace and a pool wall brick in an arc shape, and the cooling device comprises a PLC, a chamber temperature sensor, a cooling air fan, a cooling air inlet pipe and a cooling air outlet pipe. The invention has the beneficial effects that intelligent digital integrated fine monitoring and precise control are realized by arranging a novel glass melting furnace pool wall brick structure with a special cooling chamber and an auxiliary cooling device; and the effect that the pool wall is not eroded or is less eroded can be achieved.

The invention discloses a curved glass flexible shaft bending tempering forming method. When in production of the curved glass, after the glass is discharged from a heating furnace, the glass is preformed in the trend that the two side parts in the transverse direction are kept on the same plane and the middle part in the transverse direction gradually sinks along the conveying direction, then enters a forming and toughening section under the condition that the two side parts in the transverse direction are supported, and is finally formed and toughened to finish the bending and toughening manufacturing of the curved glass. After the method is adopted, when the glass gradually becomes arc and enters the forming tempering section, the flexible shaft roller ways are always arranged at the two side parts of the glass in the transverse direction to be used as supports, and the edge parts are not suspended, so that the wave bending phenomenon of the edge parts is eliminated.

The invention relates to the technical field of glass preparation, and provides glass and a preparation method thereof. The glass provided by the invention is prepared from SiO2, Al2O3, CaO, MgO, Na2Oand Fe2O3, in terms of 71.9 to 72.1 parts by weight of SiO2, the content of Al2O3 is 1.25 to 1.35 parts, the content of CaO is 8.65 to 8.75 parts, the content of MgO is 3.35 to 3.45 parts, the content of Na2O is 13.4 to 13.6 parts, and the content of Fe2O3 is 0.595 to 0.605 part. The components and the content of the glass are adjusted; the softening point temperature and the hardening forming temperature of the glass are effectively increased under the condition that the original main body performance of the glass is kept unchanged, and the influence of a forming area in a float process on glass transmission stripes is reduced by promoting rapid forming and hardening of the glass, so that the quality of the glass transmission stripes is improved.

The present invention discloses a method for processing a columnar curved tempered glass. The method specifically comprises the following steps. Bending and tempering of the high temperature flat glass are divided into two stations. Bending is firstly carried out on the high temperature flat glass output by a heating furnace; the columnar extending direction of the curved glass is perpendicular to the direction the glass output from the heating furnace in the bending process, and then the formed curved glass is output to a tempering station in the columnar extending direction thereof to undergo tempering. In the present invention, bending and tempering of the high temperature flat glass are completed by two stations to break the normal procedure that bending and tempering are carried out by a single bending device intensively, thereby providing a novel technological approach for processing the columnar curved tempered glass.