CN217418504U - Photovoltaic glass board apparatus for producing of super wide breadth high transmissivity - Google Patents

Abstract

The utility model discloses a photovoltaic glass board apparatus for producing of high transmissivity of super wide breadth, including square brick, the brick guard, calender, the roller platform of setting between tank furnace and annealing kiln, the square brick on set gradually keep off flame brick, hang brick heat preservation device and overflow mouth firearms, the brick guard between still laid the lip brick, the roller bench is provided with the soft firearms. The utility model discloses a special-shaped refractory square brick of self design, one set of hanging brick heat preservation device, one set of modified guard's brick and adjustment integrated device, the extension calendering roller that has shallow decorative pattern, supporting flame gun softening installation, through the institutional advancement of equipment, thereby make broad width glass can produce at present equipment, further through this to its shaping process condition starting, through the control and the adjustment of temperature, the production of the photovoltaic glass of the high transmissivity of super wide breadth of production has all been satisfied to software from hardware facilities, not only satisfy the demand of user to the high transmissivity glass board of super wide breadth, and reduced manufacturing cost, the yields has been improved.

Description

Photovoltaic glass plate production device with ultra-wide breadth and high transmittance

Technical Field

The utility model relates to a glass production facility technical field especially relates to a photovoltaic glass board apparatus for producing of high transmissivity of super wide breadth.

Background

At present, with the development of modern industry, the global energy crisis and the problem of air pollution are increasingly prominent, solar energy is highly regarded as an ideal renewable clean energy source by people, and all countries in the world are dedicated to the development and utilization of solar energy resources. The solar cell can convert solar energy into electric energy by utilizing the photovoltaic effect, and fully and effectively utilizes the solar energy, so that the application range of the solar cell is increasingly wide along with the development of the photovoltaic industry, and the market scale is gradually enlarged. Along with the continuous deepening of people to solar energy application, also realize gradually that the input of the same fund under the general condition can increase along with the increase of photovoltaic glass board breadth area to the conversion rate of solar energy, can greatly improve the output input ratio of fund promptly, so the photovoltaic glass board of super wide breadth is receiving more and more favouring, and market demand is also bigger and more. However, due to various reasons such as the limitation of the design of the glass tank furnace, the technical reason of glass manufacturers and the like, according to the current glass production technology, the width of a glass plate produced in a double-width mode is 1048mm at most, and beyond the width, single-width production is required, so that the edge trimming width is increased, a large amount of good glass is removed, the production cost is greatly increased, and the requirements of users and market demands cannot be met. Meanwhile, the photovoltaic cover plate glass serving as a solar cell module is an important raw material in the manufacturing process of the solar cell, and the solar light transmittance is high or low, so that the photoelectric conversion efficiency of the solar cell is directly influenced, and the improvement of the light transmittance is also an important direction for the development of photovoltaic glass products.

In fact to the breadth width of glass board, its restrictive factor mainly is the width of pond stove branch access and flowing liquid mouth, the effective decorative pattern width of calendering roller and the width of follow-up equipment, in addition just is corresponding production technology condition, the former is the most basic production condition, and the fundamental guarantee of the production of the latter, both supplement each other and are lacked one by one, especially when the width of glass board to certain degree after, its production degree of difficulty will be more and more big, especially to the glass face of super wide breadth. Therefore, for the production method of the photovoltaic glass with ultra-wide breadth and high transmittance, the development of key equipment, supporting facilities, process conditions and the like needs to be started.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic glass board apparatus for producing of super wide breadth high transmissivity can make the photovoltaic glass batch production of super wide breadth high transmissivity realize, not only satisfies the user to the demand of super wide breadth high transmissivity glass board, and has reduced manufacturing cost, has improved the yields.

The utility model adopts the technical proposal that:

a photovoltaic glass plate production device with ultra-wide breadth and high transmittance comprises square bricks, a holding brick, a calender and a roller table, wherein the square bricks, the holding brick, the calender and the roller table are arranged between a tank furnace and an annealing kiln; the composite refractory square brick comprises a stainless steel shell, a position adjusting screw rod and a sliding block, wherein the shape and the size of the stainless steel shell are matched with those of a refractory brick;

the hanging brick heat preservation device comprises a hanging bracket and hanging bricks, wherein a hanging hole is formed in the top of the hanging bracket, and hanging brick handles are respectively arranged at two ends of the hanging bracket; the length of the calendering roller on the calender is 100-400 mm longer than that of the original roller, and the calendering roller is provided with a shallow pattern consisting of regular triangular pyramid platforms.

One side or two side walls of the stainless steel shell comprise arc-shaped missing parts.

The radius of the arc-shaped missing part is 100-200 mm.

The thickness of the stainless steel shell is 5-50 mm.

The following steps: the regular triangular pyramid platforms with patterns on the bottom surface of the glass are arranged in order in the transverse direction and the longitudinal direction, and the mutual gap of the three-dimensional patterns is 0.02-0.2 mm.

The side length of the bottom surface of the regular triangular frustum is 0.6-1.5 mm, the side length of the top surface is 0.4-1.0 mm, the radius of the smooth connection arc is 0.15-1.20 mm, and the height of the frustum is 0.05-0.20 mm;

the softening firearms include firearms adjusting support, the fixed firearms pipe that is provided with on the firearms adjusting support, the fixed firearms head that sets up of one end of firearms pipe, the other end respectively with gas pipeline and compressed air pipeline intercommunication, the gas pipeline on be provided with gas relief pressure valve, gas manometer and gas valve, the compressed air pipeline on be provided with compressed air valve, compressed air relief pressure valve and air pressure gauge.

The utility model discloses a special-shaped refractory square brick of self design, one set of hanging brick heat preservation device, one set of modified guard's brick and adjustment integrated device, the extension calendering roller that has shallow decorative pattern, supporting flame gun softening installation, through the institutional advancement of equipment, thereby make broad width glass can produce at present equipment, further through this to its shaping process condition starting, through the control and the adjustment of temperature, the production of the photovoltaic glass of the high transmissivity of super wide breadth of production has all been satisfied to software from hardware facilities, not only satisfy the demand of user to the high transmissivity glass board of super wide breadth, and reduced manufacturing cost, the yields has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the square brick of the present invention.

Fig. 3 is a schematic structural view of the hanging brick heat preservation device of the utility model.

Fig. 4 is the structural schematic diagram of the brick guarding device of the present invention.

Fig. 5 is a schematic structural view of the fire gun softening device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, 2, 3, 4 and 5, the utility model comprises a brick guarding 6, a square brick 3, a calender and a roller table which are arranged between a tank furnace 1 and an annealing kiln 10, wherein the square brick 3 is sequentially provided with a flame-blocking brick 2, a brick hanging heat preservation device 4 and an overflow port fire gun 5, a lip brick 11 is laid between the brick guarding 6, a softening fire gun 8 is arranged on the roller table 9, the square bricks 3 are respectively arranged at two sides of the outlet of the tank furnace, one opposite side is arranged to be a trapezoidal table body 301 with an arc-shaped 303, and a narrow part 302 of the trapezoidal table body is arranged at one side far away from the outlet; the smooth switching of the refractory bricks inside and the refractory bricks at the edges of the branch passages can be realized, the smooth transition between the overflow port and the brick guarding can be met, and the molten glass can flow stably without exception.

The brick retaining 6 is a composite refractory brick and comprises a stainless steel shell, wherein the shape and the size of the stainless steel shell are matched with those of refractory bricks, the refractory bricks are placed in the stainless steel shell 601, an adjusting handle 602 is fixedly arranged on one side of the stainless steel shell 601, a plurality of positioning holes 603 are formed in the adjusting handle 602, the brick retaining also comprises an adjusting device base 606, a position adjusting lead screw 604 and a sliding block 605 are horizontally arranged on the adjusting device base 606, a screw hole is formed in the sliding block 605, and the position adjusting lead screw penetrates through the screw hole of the sliding block to be in screw connection; adjusting device has adjustment handle initial positioning and the serial hole of angular adjustment, can adjust and watch on brick initial positioning to make the adjustment width scope further enlarge, here can be through the fine realization of adjusting device to the nimble accurate quick adjustment of the position of guarding the brick and angle, provide the preparation of basis for producing broad width glass. Refer to the patent CN202022132446.3, which has been published in the prior art, and the detailed structure and principle will not be described herein. The brick guard is designed with special connecting holes and a front-back movement mechanism which are connected into a whole through bolts, so that the width adjustment range of the glass plate can be enlarged.

The hanging brick heat preservation device comprises a hanging bracket 402 and hanging bricks 403, wherein the top of the hanging bracket 402 is provided with a hanging hole 404, and two ends of the hanging bracket 402 are respectively provided with a hanging brick handle 401; through the setting of gallows and lewis hole, can make things convenient for quick installing and demolish hanging brick heat preservation device through the loop wheel machine, fine realization to glass preliminary heat preservation, with dedicated hoist and mount frame dress insulating brick in addition, wholly change to on the square brick on the whole length ground, compensate the heat change that channel glass melt flow state change brought and produce super wide breadth glass board limit portion because calorific loss brings the defect.

The length of the calendering roller on the calender is 100-400 mm longer than that of the original roller, and the calendering roller is provided with a shallow pattern 703 consisting of regular triangular pyramid platforms.

One side or two side walls of the stainless steel shell comprise arc-shaped missing parts. The arc-shaped missing part can enable the overall structure to be lighter, meanwhile, the disassembly and the assembly of the brick and the stainless steel shell are convenient, and the efficiency is improved.

The radius of the arc-shaped missing part is 100-200 mm. The thickness of the stainless steel shell is 5-50 mm. Can be selected according to actual requirements, i.e.

The actual requirements are selected, so that the requirements can be met, raw materials can be saved, and the weight is reduced.

The regular triangular pyramid platforms with patterns on the bottom surface of the glass are arranged in order in the transverse direction and the longitudinal direction, and the mutual gap of the three-dimensional patterns is 0.02-0.2 mm. The side length of the bottom surface of the regular triangular frustum is 0.6-1.5 mm, the side length of the top surface is 0.4-1.0 mm, the radius of the smooth connection arc is 0.15-1.20 mm, and the height of the frustum is 0.05-0.20 mm; the arrangement of patterns and the design of the lengthened calendering roller with the shallow patterns can reduce the depth of the patterns so as to produce the glass with the shallow patterns and further increase the light transmittance of the glass.

The softening firearms comprise firearms adjusting supports 809, firearms tubes 802 are fixedly arranged on the firearms adjusting supports, firearms heads 801 are fixedly arranged at one ends of the firearms 802, the other ends of the firearms 802 are respectively communicated with a gas pipeline and a compressed air pipeline, a gas pressure reducing valve 804, a gas pressure gauge 808 and a gas valve 806 are arranged on the gas pipeline, and a compressed air valve 805, a compressed air pressure reducing valve 803 and an air pressure gauge 807 are arranged on the compressed air pipeline. The glass plate and strip can be prevented from tilting due to process change by the arrangement of the softening fire gun.

The utility model discloses during the in-service use, concrete process as follows, photovoltaic calendering glass's hot junction production flow: smelting furnace, transverse passage, branch passage, overflow port, calendering, annealing in annealing kiln, etc. Due to the requirements of traditional market users on the width of the glass sheet, traditional design, installation and the like, the width of the overflow port has certain requirements, corresponding forming equipment is mainly manufactured and used in a matched mode, and relatively mature technological conditions exist in production for many years. To meet the large demand of the ultra-wide format by the users on the market today, many improvements from equipment facilities to process conditions are necessary, and for ease of illustration, the production of ultra-wide glass sheets with a thickness of 2.5mm is now described in detail.

And (3) installing the special-shaped refractory square bricks 3. The square brick is the key for connecting the branch passage and the overflow port of the tank furnace, a pair of square bricks at two sides of the branch passage are also the key for determining the width of the whole overflow port, the original square bricks are removed, the special-shaped refractory square bricks are installed, the inner end surface 301 of the square brick is stably connected with the inside of the branch passage, the outer end surface 302 of the square brick is stably connected with the guarding brick 601, the normality is confirmed, the arc surface of the inner side surface 303 of the square brick is utilized, the whole structure is smooth and stable, no space for retaining glass to cause temperature inconsistency exists, the flow of glass melt is smooth, and the normal requirements for the production uniformity and consistency of the glass are ensured. Due to the special-shaped structure, the outer end face is reduced by about 250mm in width, and the width can be increased by about 500mm on both sides. Because the temperature is above 1200 ℃, preheating is needed before the square bricks are fixedly installed in order to prevent the square bricks from cracking due to sudden heating.

And installing the brick guarding 6 and the adjusting integrated device. The super wide breadth glass board need watch on brick and adjustment integrated device and have great adjustment space, and the utility model discloses in, utilize adjusting device to have adjustment handle initial positioning and angular adjustment serial hole 603, can be earlier with on its innermost for the hole site bolt fastening adjust the support, can make the initial position of watching the brick widen greatly like this, then can also make adjustment width scope further enlarge through adjustment handle 602, position control lead screw 604, the activity is fast 605, adjusting device base 606.

And (4) installing a hanging brick heat preservation device 3. The glass melting device has the main function of ensuring the temperature of the glass melt at the overflow port and meeting the defects of ultra-wide glass, particularly the edge part of the ultra-wide glass, caused by insufficient heat. The brick hanging blocks 403 are strung on the brick hanging framework 402, the brick hanging heat preservation device 3 is hung on the overflow port through the hanging holes 404 to be preheated, and then the brick hanging handle 401 is used for placing the brick hanging heat preservation device 3 on the special-shaped refractory square brick 3 after the brick hanging frame reaches a certain degree, so that heat dissipation is well shielded, the temperature of the glass melt of the whole overflow port is raised by 20-30 ℃ compared with that before covering, and the requirement of production on temperature is guaranteed.

A calender 7 equipped with an elongated calender roll with a shallow pattern is used. After the calendering roller is modified, the width of the calendering roller is lengthened by 100-400 mm, the flower pattern of the calendering roller adopts a shallow pattern, the side length of the bottom surface of the regular triangular frustum with the shallow pattern is 0.6-1.5 mm, the side length of the top surface is 0.4-1.0 mm, the radius of a smooth connecting circular arc is 0.15-1.20 mm, and the height of the frustum is 0.05-0.20 mm; the regular triangular pyramid platforms with patterns on the bottom surface of the glass are arranged in order in the transverse direction and the longitudinal direction, and the mutual gap of the three-dimensional patterns is 0.02-0.2 mm. This ensures, on the one hand, the need for an ultra wide width and, at the same time, increases the light transmission of the glass plate.

And (4) installing and adjusting the softening fire gun 8. The long-term production knowledge of the photovoltaic glass shows that on the premise that the temperature of the overflow port glass melt is constant, one glass plate strip is produced by the pressure of the pressing bar, and the other glass plate strip is produced by dragging, namely the increase of the overall traction rate, but the new problem after the increase of the traction rate is that the glass plate strip is easy to be in a suspended state, namely the tilting phenomenon, so that new defects on the plate surface are generated. After the softening fire gun device 8 is installed, the hard glass is softened during heating and falls onto the conveying roller again, and the glass stably enters the annealing kiln for annealing.

And (5) developing production process condition parameters. Installation of equipment and facilities is a prerequisite, and development of products suitable for each variety, thickness and specification by using these hardware requires development of respective production process condition parameters. By way of exploration and summary, the following are essential:

the running speed of the calendering roller is 500-750 cm/min, the secondary roller is 550-750 cm/min, the roller table is 550-800 cm/min, and the main transmission is 800-1200 cm/min.

Annealing kiln annealing curve a1 zone temperature: the temperature of the edge part is 500-600 ℃ and the temperature of the middle part is 500-650 ℃; temperature in zone a 2: the temperature of the edge part is 500-550 ℃ and the temperature of the middle part is 500-620 ℃; temperature in zone B: the temperature of the edge part is 400-500 ℃, and the temperature of the middle part is 400-550 ℃; temperature in zone C: the temperature of the side part is 300-400 ℃ and the temperature of the middle part is 300-450 ℃.

Through the development of equipment facilities, relevant process conditions and the like, the ultra-wide photovoltaic glass plate with high transmittance is realized, the width of a single glass plate produced in a double-width mode can reach more than 1200mm (the original maximum width is 1048 mm), the effective width reaches more than 2500, the edge cleaning loss is reduced to 5.8%, the market demand is met, and the production cost is reduced; on the other hand, the light transmittance can reach 91.7% -91.8%, and is increased by 0.2% compared with that of a common photovoltaic glass plate.

This application designs one set of special-shaped refractory square brick of special design: the smooth switching of the refractory bricks inside and the refractory bricks at the edges of the branch passages can be realized, the smooth transition between the overflow port and the brick guarding can be met, and the molten glass can flow stably without exception. Designing a set of hanging brick heat preservation device: the heat-insulating brick is installed on a special hoisting frame and is integrally changed on a square brick in a full length mode, and the heat-insulating brick has the function of making up for the heat change caused by the change of the flowing state of channel glass melt and the defect caused by heat loss at the edge of the ultra-wide glass plate. Designing a brick guarding and adjusting integrated device: the brick guard is designed with a special connecting hole and a front-back movement mechanism which are connected into a whole through bolts, so that the width adjustment range of the glass plate can be enlarged. Designing an elongated calendering roll with shallow patterns: the depth of the patterns is reduced to produce the light pattern glass and increase the transmittance. And a special fire gun heating device is designed to prevent the glass plate belt from tilting due to process change. According to the method, the production process parameters of the ultra-wide breadth glass plate are developed, so that the requirement of mass production of the ultra-wide breadth glass plate is well met.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles thereof. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the specific embodiments described herein, and may include more effective embodiments without departing from the scope of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (7)

1. The utility model provides a photovoltaic glass board apparatus for producing of super wide breadth high transmissivity which characterized in that: the device comprises square bricks, brick guarding devices, calenders and roller tables which are arranged between a tank furnace and an annealing kiln, wherein the square bricks are sequentially provided with flame blocking bricks, brick hanging heat preservation devices and overflow port fire guns, lip bricks are laid between the brick guarding devices, softening fire guns are arranged on the roller tables, the square bricks are composite refractory square bricks and are respectively arranged on two sides of an outlet of the tank furnace, and one opposite side of each square brick is provided with an arc-shaped trapezoidal table body; the composite refractory square brick comprises a stainless steel shell, a position adjusting screw rod and a sliding block, wherein the shape and the size of the stainless steel shell are matched with those of a refractory brick;

the hanging brick heat preservation device comprises a hanging bracket and hanging bricks, wherein a hanging hole is formed in the top of the hanging bracket, and hanging brick handles are respectively arranged at two ends of the hanging bracket; the length of the calendering roller on the calender is 100-400 mm longer than that of the original roller, and the calendering roller is provided with a shallow pattern consisting of regular triangular pyramid platforms.

2. An ultra-wide high transmittance photovoltaic glass sheet production apparatus as defined in claim 1, wherein: one side or two side walls of the stainless steel shell comprise arc-shaped missing parts.

3. An ultra-wide high transmittance photovoltaic glass sheet production apparatus as defined in claim 2, wherein: the radius of the arc-shaped missing part is 100-200 mm.

4. An ultra-wide high transmittance photovoltaic glass sheet production apparatus as defined in claim 3, wherein: the thickness of the stainless steel shell is 5-50 mm.

5. An ultra-wide high transmittance photovoltaic glass sheet production apparatus as claimed in claim 1, wherein: the regular triangular pyramid platforms with patterns on the bottom surface of the glass are arranged in order in the transverse direction and the longitudinal direction, and the mutual gap of the three-dimensional patterns is 0.02-0.2 mm.

6. An ultra-wide high transmittance photovoltaic glass sheet production apparatus as claimed in claim 5, wherein: the side length of the bottom surface of the regular triangular frustum is 0.6-1.5 mm, the side length of the top surface is 0.4-1.0 mm, the radius of the smooth connection arc is 0.15-1.20 mm, and the height of the frustum is 0.05-0.20 mm.

7. An ultra-wide-width high-transmittance photovoltaic glass sheet production apparatus as claimed in any one of claims 1-6, wherein: the softening firearms include firearms adjusting support, the fixed firearms pipe that is provided with on the firearms adjusting support, the fixed firearms head that sets up of one end of firearms pipe, the other end respectively with gas pipeline and compressed air pipeline intercommunication, the gas pipeline on be provided with gas relief pressure valve, gas manometer and gas valve, the compressed air pipeline on be provided with compressed air valve, compressed air relief pressure valve and air pressure gauge.

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