Discharging device and glass production equipment
By using a flow blocker and a shunt mechanism in the discharge device, combined with heating and temperature adjustment, the problem of uneven temperature in glass molding is solved, and uniform discharge and high-quality molding of glass products are achieved.
Patent Information
- Application Number
- CN202310804205.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-30
- Publication Date
- 2024-12-31
AI Technical Summary
During the glass molding process, glass raw materials with short material properties and easy crystallization are uneven temperatures during the conveying process of the discharge device, resulting in defects such as large thickness difference and stripes of glass products, which affects quality and output, especially in the production of ultra-thin electronic glass. More easily defective.
Design a discharge device, including a discharge pipe, a flow blocker and a splitter mechanism, reduces the flow rate of the glass melt through the flow blocker, and the splitter mechanism uniformly divides the glass melt to multiple flow inlets to ensure uniform flow rate and flow rate, and Adjust the glass melt temperature through a heating mechanism and a temperature sensor to ensure uniform discharge.
The flow rate, flow rate and temperature uniformity of the glass melt during the discharge process is achieved, the quality defects of the glass products are avoided, and the quality and output of the glass products are improved.
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Figure CN119219308A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of glass production and manufacturing, and in particular to a discharging device and glass production equipment. Background Art
[0002] The glass forming process mainly includes the discharging step and the forming step. The discharging device supplies the high-temperature molten glass to the forming equipment, and the forming equipment forms it into glass sheets of the required specifications. One of the mainstream ways of known glass discharging is that the discharging device receives the molten glass transported by the front platinum channel pipe, and transports it to the forming equipment through a tubular drainage or overflow pull-down device. For such glass raw materials with short material properties and easy crystallization, the uneven temperature during the process of transporting the molten glass to the forming equipment by the discharging device often causes defects such as large thickness difference and stripes after the glass is formed, which seriously affects the quality and output of glass products, especially in the production of ultra-thin (0.33mm-1.5mm) electronic glass. Due to the small thickness of the glass, less heat accumulation and fast heat dissipation, defects are more likely to occur during the forming process. Summary of the invention
[0003] The applicant has found that the reason why the temperature of the glass melt is uneven during the process of being transported from the discharging device to the molding device is that the flow rate and flow rate of the glass melt are uneven. Only by eliminating the uneven flow rate and flow rate of the glass melt in this process can the glass melt be effectively ensured to enter the molding device at a relatively uniform temperature, thereby ensuring the molding quality of the glass product.
[0004] The object of the present invention is to provide a discharging device and glass production equipment, which can avoid defects such as large thickness difference and stripes in glass products, and improve the quality and output of glass products.
[0005] The present invention is achieved by adopting the following technical solutions.
[0006] A discharging device, comprising:
[0007] Discharge pipe;
[0008] A flow blocker is installed in the discharge pipe, and is used to reduce the flow rate of the glass melt while ensuring the flow rate of the glass melt;
[0009] The liquid flow bin is provided with a material receiving port and a material discharging port, and the material discharging pipe is connected to the material receiving port;
[0010] A diverter mechanism is installed in the liquid flow bin, and a plurality of liquid flow inlets are arranged in the horizontal direction. One end of the diverter mechanism is arranged in the material receiving port to divert the glass melt output from the discharge pipe and make it flow out of the discharge port through the plurality of liquid flow inlets respectively. The areas of the plurality of liquid flow inlets first decrease and then increase in the horizontal direction.
[0011] Optionally, one end of the diversion mechanism abuts against the inner wall of the material receiving opening and evenly divides the material receiving opening.
[0012] Optionally, the diversion mechanism includes a diverter plate and a flow plate, the diverter plate is arranged in the material receiving port to separate the material receiving port, the flow plate is arranged above the discharge port and opposite to the material receiving port, the horizontal heights of both ends of the flow plate are lower than the horizontal heights of the flow plate corresponding to the material receiving port, the flow plate is provided with a plurality of groups of flow holes at intervals along its length direction, the number of the flow holes in each group is at least one, and each group of the flow holes forms a flow inlet.
[0013] Optionally, diameters of the plurality of groups of liquid flow holes gradually increase in a direction away from the diverter plate.
[0014] Optionally, the number of each group of the flow holes is three, and the three flow holes are arranged in a triangle, and one side of the triangle formed by the combination of the three flow holes is arranged close to the diverter plate and parallel to the diverter plate.
[0015] Optionally, the diameters of the three flow holes in each group are equal.
[0016] Optionally, the liquid flow plate is spaced apart from the inner wall of the liquid flow bin along the width direction thereof to form a liquid flow gap, and the liquid flow gap is used for the glass melt to flow through.
[0017] Optionally, a support rib is provided in the liquid flow gap, one end of the support rib is connected to the liquid flow plate, and the other end of the support rib is connected to the inner wall of the liquid flow bin.
[0018] Optionally, the diversion mechanism also includes a plurality of seepage plates, which are arranged in parallel and spaced apart along the length direction of the discharge port and perpendicular to the end face of the discharge port, the liquid flow plate and two adjacent seepage plates together form a liquid flow channel, each of the liquid flow inlets is connected to a liquid flow channel, and the lengths of the plurality of liquid flow channels in the horizontal direction are equal.
[0019] Optionally, the seepage plate is provided with seepage holes, and two adjacent liquid flow channels are connected through the seepage holes.
[0020] Optionally, the baffle comprises a connecting rod and a baffle, the connecting rod passes through the baffle and is fixedly connected to the baffle, the connecting rod is connected to the inner wall of the discharge pipe, and the baffle is in the shape of a water drop.
[0021] Optionally, the discharging device also includes a heating mechanism, and the liquid flow bin includes an outer shell, an insulation layer, a heating layer and a bin body, the outer shell is arranged outside the insulation layer, the insulation layer is arranged outside the heating layer, the heating layer is arranged outside the bin body, the diversion mechanism is arranged inside the bin body, the heating layer is provided with an interlayer cavity, the interlayer cavity is used to store a heating medium, the heating mechanism is connected to the heating layer, and the heating mechanism is used to heat the heating layer through the heating medium.
[0022] Optionally, the heating mechanism is a heating fan, the heating medium is air, the heating layer is provided with an air inlet and an exhaust port, the air inlet and the exhaust port are both connected to the interlayer cavity, and the heating mechanism is connected to the air inlet.
[0023] Optionally, the discharging device also includes a temperature sensor and a controller. The temperature sensor is installed outside the bin body and electrically connected to the controller. The temperature sensor is used to detect the real-time temperature of the glass melt and send the real-time temperature to the controller. The controller is connected to the heating mechanism, and the controller is used to adjust the heating power of the heating mechanism according to the real-time temperature.
[0024] Optionally, the width of the liquid flow bin gradually decreases in the direction from the material receiving port to the material discharging port.
[0025] Optionally, the discharge pipe includes a first pipe and a second pipe, a first flange is provided at one end of the first pipe, a second flange is provided at one end of the second pipe, the first flange is connected to the second flange by bolts, and the second pipe is connected to the material receiving port.
[0026] Optionally, a sealing sleeve is extended from the second flange toward the first flange, a sealing ring is provided on the periphery of the first pipe, the inner side of the sealing ring is fitted with the first pipe, and the outer side of the sealing ring is fitted with the sealing sleeve.
[0027] A glass production equipment comprises the above-mentioned discharging device.
[0028] The discharging device and glass production equipment provided by the present invention have the following beneficial effects:
[0029] The discharging device and glass production equipment provided by the present invention can ensure that the glass melt has a uniform flow rate, uniform flow rate and uniform temperature during the discharging process, thereby avoiding quality defects of glass products and ensuring the production quality of glass products. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.
[0031] Figure 1 An axonometric view of a discharging device provided in an embodiment of the present invention;
[0032] Figure 2 A top view of a discharging device provided in an embodiment of the present invention;
[0033] Figure 3 A perspective view of a discharging device provided in an embodiment of the present invention;
[0034] Figure 4 A cross-sectional view of a discharging device provided in an embodiment of the present invention;
[0035] Figure 5 A schematic diagram of the structure of a flow blocker in a discharging device provided in an embodiment of the present invention;
[0036] Figure 6 A structural block diagram of a temperature sensor in a discharging device provided in an embodiment of the present invention connected to a heating mechanism via a controller;
[0037] Figure 7 A cross-sectional view of a liquid flow bin in a discharge device provided in an embodiment of the present invention;
[0038] Figure 8 A mathematical model diagram of a triangular cavity enclosed by a liquid flow bin and a liquid flow plate in a discharge device provided in an embodiment of the present invention;
[0039] Fig. 9 A front view of a discharging device provided in an embodiment of the present invention;
[0040] Fig.10 for Fig. 9 Schematic diagram of the structure of the first pipeline.
[0041] Icons: 100-discharging device; 110-discharging pipe; 111-first pipeline; 112-second pipeline; 113-first flange; 114-second flange; 115-sealing cylinder; 116-sealing ring; 120-blocker; 121-connecting rod; 122-blocking element; 130-liquid flow bin; 131-receiving port; 132-discharging port; 133-housing; 134-insulating layer; 135-heating Layer; 1351-sandwich cavity; 136-tank body; 137-air inlet; 138-exhaust outlet; 139-flow channel; 140-diverter mechanism; 141-liquid flow channel; 142-diverter plate; 143-liquid flow plate; 144-liquid flow hole; 145-liquid flow gap; 146-support rib; 147-seepage plate; 148-seepage hole; 150-heating mechanism; 160-temperature sensor; 170-controller. DETAILED DESCRIPTION
[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.
[0043] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0044] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0045] In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the invention is usually placed when in use, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0046] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0047] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments can be combined with each other.
[0048] The embodiment of the present invention provides a glass production device (not shown) for producing glass-ceramics, which can achieve uniform discharge of glass melt, improve the uniformity of discharge flow rate, discharge flow rate and discharge temperature, avoid quality defects of glass products, and ensure the production quality of glass products.
[0049] It should be noted that the glass production equipment includes a feed pipe (not shown), a discharge device 100 and a molding device (not shown). The feed pipe, the discharge device 100 and the molding device are arranged in sequence according to the flow direction of the glass melt. The feed pipe is used to feed the glass melt into the discharge device 100. The discharge device 100 is used to receive the glass melt and evenly transport the glass melt to the molding device. The molding device is used to mold the glass melt to obtain a glass product.
[0050] Please refer to Figure 1 and Figure 2 The discharge device 100 includes a discharge pipe 110, a flow blocker 120, a liquid flow bin 130 and a flow diversion mechanism 140. The liquid flow bin 130 has a material receiving port 131 and a material discharge port 132 at the upper and lower ends thereof. The discharge pipe 110 is connected to the material receiving port 131, and the glass melt outputted by the discharge pipe 110 can flow into the liquid flow bin 130 through the material receiving port 131. In the discharge pipe 110, due to the heat dissipation and flow obstruction of the pipe wall, the flow velocity of the glass melt in the middle portion is higher than that at the edge portion. The baffle 120 is installed in the discharge pipe 110. The baffle 120 is used to reduce the flow rate of the glass melt in the middle of the discharge pipe 110 while ensuring the flow rate requirements of the glass melt, thereby reducing the impact force of the glass melt, avoiding excessive impact force and erosion damage to the convection liquid bin 130, and improving the uniformity of the discharge flow rate, avoiding the flow rate of the middle part of the glass melt being higher than the flow rate of the edge, forming a flow rate difference and causing a temperature difference, which in turn affects the glass molding quality. Please also refer to Figure 3The flow diversion mechanism 140 is installed in the liquid flow bin 130. The flow diversion mechanism 140 is provided with a plurality of liquid flow inlets (not marked in the figure) in the horizontal direction. The plurality of liquid flow inlets are all connected with the discharge port 132. The discharge port 132 is provided above the molding device. The position of the discharge port 132 corresponds to the position of the molding device. The liquid flow inlet is used to allow the glass melt to flow so that the glass melt can flow out of the discharge port 132 to the molding device under the action of gravity. Specifically, one end of the flow diversion mechanism 140 is provided in the material receiving port 131 to divert the glass melt output from the discharge pipe 110 and make it flow out through the plurality of liquid flow inlets to the discharge port 132 respectively. The plurality of liquid flow inlets work together to ensure uniform discharge of the glass melt. Specifically, the areas of the multiple liquid flow inlets first decrease and then increase in the horizontal direction, and the closer the liquid flow inlet is to the material receiving port 131 in the horizontal direction, the smaller the area. In this way, since the glass melt flowing in from the material receiving port 131 first flows through the middle liquid flow inlet, the glass melt flowing through the middle liquid flow inlet has the highest temperature and the lowest viscosity, while the glass melt flowing through the liquid flow inlets on both sides has a gradually lower temperature and a gradually higher viscosity. Therefore, in the present invention, by changing the areas of the liquid flow inlets at different positions (the closer the liquid flow inlet is to the material receiving port 131 in the horizontal direction, the smaller the area), it is ensured that the flow rate of the glass melt flowing into the multiple liquid flow inlets is uniform, so that the flow rate of the glass melt at each position of the discharge port 132 is consistent, thereby improving the uniformity of the glass melt discharge flow rate.
[0051] Please refer to Figure 4 and Figure 5 The flow blocker 120 includes a connecting rod 121 and a flow blocker 122. The connecting rod 121 is disposed through the flow blocker 122 and is fixedly connected to the flow blocker 122. The connecting rod 121 is connected to the inner wall of the discharge pipe 110. The flow blocker 122 is in a water drop shape. The flow blocker 122 is used to reduce the flow rate of the glass melt in the discharge pipe 110 and to ensure that the flow rate of the glass melt is not greatly reduced, thereby preventing the flow rate of the glass melt from being reduced. Specifically, the round head of the water drop-shaped flow blocker 122 serves as the upstream surface, and the tail serves as the downstream surface. When the high-temperature and viscous glass melt passes through the round head, the glass melt will be retained in the round head. The round head is used to increase resistance to reduce the flow speed of the glass melt. At the same time, the glass melt will form a vortex turbulence after hitting the round head, and then tend to be sucked inward through the tail. The glass melt will form an eddy current in the process of being sucked inward, and the glass melt can be homogenized in the alternating process of turbulence and eddy current to improve the composition uniformity of the glass melt. In other embodiments, the flow blocker 122 can also be a geometric body such as a pyramid, a prism, a cube, or a cylinder.
[0052] In one embodiment, the number of connecting rods 121 is two, and the number of flow-blocking members 122 is five. The two connecting rods 121 are vertically arranged and connected to each other, the midpoints of the two connecting rods 121 intersect, and both ends of each connecting rod 121 are connected to the inner wall of the discharge pipe 110. The first flow-blocking member 122 is arranged at the intersection of the two connecting rods 121, and the two connecting rods 121 pass through the first flow-blocking member 122 at the same time. The second flow-blocking member 122 and the third flow-blocking member 122 are both arranged on the first connecting rod 121, and are relatively arranged on both sides of the first flow-blocking member 122. The fourth flow-blocking member 122 and the fifth flow-blocking member 122 are both arranged on the second connecting rod 121, and are relatively arranged on both sides of the first flow-blocking member 122. The five flow-blocking members 122 are distributed in a cross shape to enhance the flow-blocking uniform velocity effect.
[0053] In one embodiment, the connecting rod 121 and the baffle 122 are both made of one or more metals selected from platinum, rhodium, iridium, and the like.
[0054] Continue to see Figure 4 In one embodiment, one end of the diverter mechanism 140 abuts against the inner wall of the material receiving port 131 and divides the material receiving port 131 equally. The diverter mechanism 140 is used to divide the material receiving port 131 equally into a plurality of flow channels 139 with the same cross-sectional area. The glass melt flowing from the discharge pipe 110 to the material receiving port 131 can be divided into a plurality of parts under the action of the diverter mechanism 140. Each part of the glass melt flows into the liquid flow bin 130 from a flow channel 139 to realize the diverting function of the glass melt. It should be noted that one end of the diverter mechanism preferably divides the material receiving port 131 equally to ensure that the glass melt flows relatively evenly from the material receiving port 131 to the liquid flow inlets on both sides. In other embodiments, the material receiving port 131 may also be unequally divided, and the sizes of the liquid inlets on both sides may be adjusted accordingly. That is, after the material receiving port 131 is divided, the size of the liquid inlet corresponding to the side with a larger size is adjusted smaller, and the size of the liquid inlet corresponding to the side with a smaller size is adjusted larger, so as to achieve a relatively uniform flow rate of the glass melt entering the liquid inlets on both sides.
[0055] In one embodiment, the number of flow channels 139 obtained after the flow dividing mechanism 140 divides the material receiving port 131 equally is two, the cross-sectional areas of the two flow channels 139 are the same, the molten glass flowing out of the discharge pipe 110 can flow into the two flow channels 139 at the same time, and the flow rates of the molten glass in the two flow channels 139 are the same. However, this is not limited to this, in other embodiments, the number of flow channels 139 obtained after the flow dividing mechanism 140 divides the material receiving port 131 equally can be three or four, and the number of flow channels 139 obtained after the flow dividing mechanism 140 divides the material receiving port 131 equally is not specifically limited.
[0056] In one embodiment, the flow dividing mechanism 140 includes a flow dividing plate 142, a flow plate 143 and a plurality of seepage plates 147. The flow dividing plate 142 is disposed in the material receiving port 131 to separate the material receiving port 131. In one embodiment, the flow dividing plate 142 divides the material receiving port 131 equally to obtain two flow channels 139 with the same cross-sectional area. The flow plate 143 is fixed in the flow tank 130 and is disposed opposite to the material receiving port. The flow plate 143 can be in contact with the flow dividing plate 142 or can be disposed at intervals, preferably in contact connection, so that the glass melt can be effectively separated on both sides of the flow dividing plate 142. The horizontal heights of both ends of the flow plate 143 are lower than the horizontal heights of the corresponding parts of the flow plate 143 to the material receiving port 131, that is, the flow plate 143 is arched as a whole, and the flow plate 143 can be an integrally formed structure. The flow plate 143 is provided with a plurality of groups of flow holes 144 at intervals along its length direction, each group of flow holes 144 has at least one flow hole, and each group of flow holes 144 forms a flow inlet. The glass melt flowing out from the material receiving port 131 can flow along the inclined flow plate 143 to the two sides of the material receiving port 131, and then enter the flow inlet from the flow holes 144. In another embodiment, the flow plate 143 can be provided with two flow plates 143, the two flow plates 143 are relatively arranged on the two sides of the diverter plate 142, and are both connected to the diverter plate 142, the diverter plate 142 is used to divert the glass melt, and the diverted glass melt flows to the two flow plates 143 respectively. One end of the plurality of seepage plates 147 is respectively connected to the two flow plates 143, and is arranged in parallel and at intervals along the length direction of the discharge port 132. A plurality of seepage plates 147 are perpendicular to the end surface of the discharge port 132, and the liquid flow plate 143 and two adjacent seepage plates 147 together form a liquid flow channel 141. The liquid flow plate 143 is arranged obliquely above the discharge port 132, and the glass melt flowing out of the flow channel 139 flows obliquely downward along the liquid flow plate 143 under the action of gravity, flows into the liquid flow channel 141 through the liquid flow holes 144, and finally flows out from the discharge port 132. Specifically, a plurality of groups of liquid flow holes 144 are arranged at intervals along the length direction of the liquid flow plate 143, and the number of each group of liquid flow holes 144 is at least one, and each group of liquid flow holes 144 forms a liquid flow inlet, and each liquid flow inlet is connected to a liquid flow channel 141, and the liquid flow holes 144 in the liquid flow inlet are used to supply the glass melt on the liquid flow plate 143 to flow into the liquid flow channel 141, thereby allowing the glass melt to flow out from the discharge port 132.
[0057] In one embodiment, a plurality of liquid flow channels 141 are arranged in the horizontal direction, and the lengths of the plurality of liquid flow channels 141 in the horizontal direction are equal. The liquid flow channels 141 are extended in the vertical direction and are connected with the discharge port 132. The discharge port 132 is arranged above the molding device, and the position of the discharge port 132 corresponds to the position of the molding device. The liquid flow channels 141 are used to allow the glass melt to flow, so that the glass melt can flow out of the discharge port 132 to the molding device under the action of gravity. Specifically, since the flow rate of the glass melt flowing from the plurality of liquid flow holes 144 into the plurality of liquid flow channels 141 is relatively uniform, and the lengths of the plurality of liquid flow channels 141 in the horizontal direction are equal, the plurality of liquid flow channels 141 can evenly distribute the glass melt in the silo 130, so that the flow rate of the glass melt at the edge and the middle of the discharge port 132 is uniform, and the uniformity of the discharge flow rate is improved, thereby ensuring that the temperature of the glass melt at each location of the discharge port 132 is consistent before flowing into the molding device, avoiding quality defects of the glass products, and ensuring the production quality of the glass products.
[0058] Specifically, when the glass melt flows through the diversion mechanism 140, the diversion plate 142 first separates the material receiving port 131. In order to ensure uniform separation of the glass melt, the diversion plate 142 is preferably configured to evenly divide the material receiving port 131 to divert the glass melt into two halves with relatively uniform flow rates. Among them, half of the glass melt flows to a flow plate 143 through a flow channel 139, and the other half of the glass melt flows to another flow plate 143 through another flow channel 139; then the glass melt flows downward along the flow plate 143 under the action of gravity. When the glass melt flows through the first group of flow holes 144, a part of the glass melt will pass through the first group of flow holes 144 to flow to the first flow channel 141, and the other part of the glass melt will continue to flow downward along the flow plate 143 and flow through the second group of flow holes 144. Similarly, when the glass melt flows through the last group of flow holes 144, a part of the glass melt will pass through the last group of flow holes 144 to flow to the last group of flow channels 141, and the other part of the glass melt will flow directly to the discharge port 132 along the flow plate 143. In this way, the flow plate 143 relatively evenly distributes the glass melt to multiple flow channels 141 through multiple groups of flow holes 144, so that the glass melt flows out of the discharge port 132 from multiple flow channels 141 at the same time. In this way, the flow rate of the glass melt is consistent at the edge and the middle of the discharge port 132, which improves the uniformity of the glass melt discharge flow rate. In addition, the consistent flow rate can make the temperature of the glass melt at the edge and the middle of the discharge port 132 consistent, thereby ensuring the production quality of the glass.
[0059] It should be noted that the diameters of the multiple groups of flow holes 144 gradually increase in the direction away from the diverter plate 142, that is, the diameter of the first group of flow holes 144 is smaller than the diameter of the second group of flow holes 144, the diameter of the second group of flow holes 144 is smaller than the diameter of the third group of flow holes 144, and so on, the diameter of the first group of flow holes 144 is the smallest, and the diameter of the last group of flow holes 144 is the largest. Specifically, since the glass melt flowing from the material receiving port 131 first flows through the first group of flow holes 144, then flows through the second group of flow holes 144, the third group of flow holes 144, etc., the glass melt flowing through the first group of flow holes 144 has the highest temperature and the lowest viscosity; the glass melt flowing through the second group of flow holes 144 has a lower temperature and a higher viscosity; the glass melt flowing through the third group of flow holes 144 has an even lower temperature and a higher viscosity; and so on. If the diameters of the multiple groups of flow holes 144 are equal, the flow rate of the molten glass flowing into the first flow channel 141 through the first group of flow holes 144 will be greater than the flow rate of the molten glass flowing into the second flow channel 141 through the second group of flow holes 144, and the flow rate of the molten glass flowing into the second flow channel 141 through the second group of flow holes 144 will be greater than the flow rate of the molten glass flowing into the third flow channel 141 through the third group of flow holes 144, and so on. Therefore, the diameter of the first group of flow holes 144 is made smaller than the diameter of the second group of flow holes 144, and the diameter of the second group of flow holes 144 is made smaller than the diameter of the third group of flow holes 144, and so on, to ensure that the flow rate of the molten glass flowing into the multiple flow channels 141 is uniform, so that the flow rate of the molten glass at each position of the discharge port 132 is consistent, and the uniformity of the discharge flow rate of the molten glass is improved.
[0060] In one embodiment, the number of each group of flow holes 144 is three, and the three flow holes 144 are arranged in a triangle, and one side of the triangle formed by the three flow holes 144 is arranged close to the manifold 142 and parallel to the manifold 142. Specifically, the diameters of the three flow holes 144 in each group are equal, so as to improve the uniformity of the glass melt flowing from a group of flow holes 144 to a flow channel 141, and facilitate production and manufacturing.
[0061] Furthermore, in the process of the glass melt flowing downward along the flow plate 143, there is a radial flow into the flow hole 144 and an oblique flow along the length direction of the flow plate 143. When the production abnormality causes less glass melt to flow into the flow tank 130, the temperature of the glass melt decreases and the viscosity increases. At this time, the glass melt mainly flows obliquely along the length direction of the flow plate 143, resulting in a decrease in the flow rate of the glass melt flowing into the flow channel 141 through the flow hole 144, causing the glass melt temperature to drop significantly and produce crystallization defects during subsequent molding. Therefore, the three flow holes 144 in each group are arranged in a triangle, and two flow holes 144 are arranged side by side in the direction close to the diverter plate 143 to reduce the flow rate of the glass melt flowing obliquely along the length direction of the flow plate 143 and increase the flow rate of the glass melt flowing radially into the flow hole 144, thereby balancing the flow rate of the glass melt.
[0062] Continue to see Figure 3 In this embodiment, there are three groups of flow holes 144, and the flow plate 143 is divided into three sections along its length direction. The lengths of the three sections of the flow plate 143 are equal. The first section of the flow plate 143, the second section of the flow plate 143 and the third section of the flow plate 143 are connected in sequence and formed as one piece. The first section of the flow plate 143 is connected to the diverter plate 142. The first group of flow holes 144 is arranged in the middle of the first section of the flow plate 143, that is, on the first section of the flow plate 143, the centers of the three flow holes 144 in the first group are connected to form a triangle, and the center of the triangle coincides with the center of the first section of the flow plate 143. The second group of flow holes 144 is arranged in the middle of the second section of the flow plate 143, that is, on the second section of the flow plate 143, the centers of the three flow holes 144 in the second group are connected to form a triangle, and the center of the triangle coincides with the center of the second section of the flow plate 143. The third group of flow holes 144 is arranged in the middle of the third section of the flow plate 143, that is, on the third section of the flow plate 143, the centers of the three flow holes 144 in the third group are connected to form a triangle, and the center of the triangle coincides with the center of the third section of the flow plate 143. In this way, the flow holes 144 on each section are relatively evenly distributed thereon, which helps the glass melt to flow into the flow holes 144 as much and evenly as possible when flowing on the flow plate 143.
[0063] In one embodiment, the number of liquid flow channels 141 is six, and two liquid flow plates 143 are provided with a total of six groups of liquid flow holes 144, and each group of liquid flow holes 144 is connected to one liquid flow channel 141. However, this is not limited to this. In other embodiments, the number of groups of liquid flow holes 144 can be four or five, and the number of sections of the liquid flow plate 143 can be four or five. The number of groups of liquid flow holes 144 and the number of sections of the liquid flow plate 143 are not specifically limited.
[0064] It is worth noting that the liquid flow plate 143 is spaced from the inner wall of the liquid flow bin 130 along its width (short side) direction, and forms a liquid flow gap 145, and the liquid flow gap 145 is used for the glass melt to flow through. When the glass melt flows out from the flow channel 139 separated by the material receiving port 131, if the flow rate of the glass melt is too large, the glass melt cannot completely flow downward along the liquid flow plate 143, and at this time, part of the glass melt will flow into the liquid flow channel 141 through the liquid flow gap 145, so as to prevent the glass melt from gathering and being unable to be discharged in time.
[0065] Furthermore, a support rib 146 is provided in the liquid flow gap 145, one end of the support rib 146 is connected to the liquid flow plate 143, and the other end is connected to the inner wall of the liquid flow bin 130. The support rib 146 is used to fix the relative position of the liquid flow plate 143 and the liquid flow bin 130 to prevent the liquid flow plate 143 from being displaced relative to the liquid flow bin 130, thereby improving the stability of the liquid flow plate 143 and ensuring the effect of the liquid flow plate 143 on uniformly controlling the flow rate of the glass melt.
[0066] In one embodiment, two liquid flow gaps 145 are disposed opposite to each other on both sides of the liquid flow plate 143, and a support rib 146 is disposed in each liquid flow gap 145, so that the glass melt can simultaneously flow to the liquid flow channel 141 through the two liquid flow gaps 145 on both sides of the liquid flow plate 143. Specifically, the liquid flow gap 145 is greater than or equal to 3 mm to ensure that there is enough space on both sides of the liquid flow plate 143 for the glass melt to be discharged, thereby improving the timeliness of the liquid discharge.
[0067] In one embodiment, the number of the seepage plates 147 is five, and the five seepage plates 147 divide the triangular cavity into six liquid flow channels 141, so that the six liquid flow channels 141 correspond to the six liquid flow plates 143 (two liquid flow plates 143, each liquid flow plate 143 is divided into three sections). For ease of understanding, the area where the liquid flow channel 141 corresponding to the first liquid flow plate 143 is located is represented as area A, the area where the liquid flow channel 141 corresponding to the second liquid flow plate 143 is located is represented as area B, and the area where the liquid flow channel 141 corresponding to the third liquid flow plate 143 is located is represented as area C, and the number of areas A, B, and C is two.
[0068] Furthermore, the seepage plate 147 is provided with a seepage hole 148, and two adjacent flow channels 141 are connected through the seepage hole 148, so that the pressure of each flow channel 141 remains consistent, thereby improving the pressure uniformity of the glass melt in the multiple flow channels 141 and avoiding the pressure difference in the multiple flow channels 141 causing inconsistent flow rate of the glass melt.
[0069] It is worth noting that the diverter plate 142, the liquid flow plate 143 and the seepage plate 147 are all made of one or more metals selected from platinum, rhodium, iridium, etc. The height of the diverter plate 142 is greater than 1 mm, the thickness of the liquid flow plate 143 is greater than or equal to 1 mm, and the thickness of the seepage plate 147 is greater than or equal to 0.6 mm. Specifically, the front shape of the liquid flow bin 130 is a triangle, the two hypotenuses of the liquid flow bin 130 correspond one-to-one to the two liquid flow plates 143, the bottom edge of the liquid flow bin 130 is provided with a discharge port 132, and the liquid flow plate 143 is arranged parallel to the hypotenuse of the liquid flow bin 130, and the spacing distance is less than or equal to 20 mm.
[0070] In one embodiment, while referring to Figure 6 and Figure 7 , in order to further control the uniformity of the temperature of the glass melt entering the molding device, especially when the flow rate of the glass melt is too large, part of the glass melt will flow into the flow channel 141 through the flow gap 145, causing the flow rate to change. The discharge device 100 also includes a heating mechanism 150, a temperature sensor 160 and a controller 170. The heating mechanism 150 is used to heat the flow bin 130, thereby heating the glass melt in the flow bin 130, so that the glass melt in the flow bin 130 is maintained at a certain temperature. The temperature sensor 160 is installed in the flow bin 130 and is electrically connected to the controller 170. The temperature sensor 160 is used to detect the real-time temperature of the glass melt and send the real-time temperature to the controller 170. The controller 170 is connected to the heating mechanism 150. The controller 170 is used to adjust the heating power of the heating mechanism 150 according to the real-time temperature to achieve different degrees of temperature compensation for the glass melt, ensure that the glass melt in the flow bin 130 is maintained at a certain temperature, and finally make the temperature of the glass melt in the discharge port 132 consistent, thereby improving the molding quality of the glass products.
[0071] The liquid flow bin 130 includes an outer shell 133, an insulation layer 134, a heating layer 135 and a bin body 136. The outer shell 133 is arranged outside the insulation layer 134 and is located at the outermost layer, the insulation layer 134 is arranged outside the heating layer 135, the heating layer 135 is arranged outside the bin body 136, the diversion mechanism 140 is arranged inside the bin body 136, and the bin body 136 is used to accommodate the glass melt. The outer shell 133 is used to protect the entire liquid flow bin 130, and the insulation layer 134 is used to achieve the functions of heat insulation and insulation, reduce heat loss, and prevent workers from being scalded or electric shocked. The heating layer 135 is used to connect with the heating mechanism 150 to achieve the heating function of the bin body 136, thereby achieving the heating function of the glass melt. The heating layer 135 is provided with an interlayer cavity 1351, and the interlayer cavity 1351 is used to store a heating medium. The heating mechanism 150 is connected to the heating layer 135, and the heating mechanism 150 is used to heat the heating layer 135 through the heating medium, thereby heating the bin 136 in the heating layer 135, and then heating the glass melt in the bin 136, so as to achieve the temperature rise function of the glass melt. Specifically, the temperature sensor 160 is installed outside the bin 136 and is arranged in contact with the outer surface of the bin 136. The temperature sensor 160 is used to contact the glass melt through the bin 136 to improve the accuracy of temperature detection.
[0072] Please also refer to Figure 8 In this embodiment, the interlayer cavity 1351 is provided with six partitions, each of which is provided with a temperature sensor 160, and the heating temperature of each partition is independently controlled and adjustable, and each partition corresponds to a region where a liquid flow channel 141 is located, and the heating mechanism 150 can heat different liquid flow channels 141 to different degrees through different partitions in the interlayer cavity 1351. The heating temperature of each partition is adjusted according to actual conditions to ensure the temperature uniformity of the glass melt output from the discharge port 132.
[0073] In one embodiment, the heating mechanism 150 is a heating fan, the heating medium is air, the heating layer 135 is provided with an air inlet 137 and an exhaust port 138, both of which are in communication with the interlayer cavity 1351, and the heating mechanism 150 is connected to the air inlet 137. The heating mechanism 150 can input hot air into the air inlet 137 so that it flows in the interlayer cavity 1351 and dissipates the heat, thereby achieving the function of heating the glass melt, and the air after the heat is dissipated is discharged through the exhaust port 138 to prevent excessive air pressure in the interlayer cavity 1351. However, this is not limited to this, and in other embodiments, the heating mechanism 150 can also be an electric heating wire, and the type of the heating mechanism 150 is not specifically limited.
[0074] Furthermore, the width of the liquid flow bin 130 gradually decreases in the direction from the material receiving port 131 to the material discharge port 132, that is, the volume of the entire liquid flow bin 130 gradually narrows in the direction from the material receiving port 131 to the material discharge port 132. The step-by-step narrowing structure is conducive to the complete filling of the glass melt in the B and C areas, ensuring that there is no area where the glass melt does not flow (liquid flow dead zone) in the liquid flow bin 130, thereby avoiding crystallization.
[0075] Please refer to Fig. 9 and Fig.10 The discharge pipe 110 includes a first pipe 111 and a second pipe 112. A first flange 113 is provided at one end of the first pipe 111, and a second flange 114 is provided at one end of the second pipe 112. The first flange 113 is connected to the second flange 114 by bolts, and the second pipe 112 is connected to the material receiving port 131 to achieve a detachable connection between the first pipe 111 and the second pipe 112. In this way, when the discharge device 100 is damaged and needs to be replaced, the first flange 113 and the second flange 114 can be quickly disassembled to separate the first pipe 111 and the second pipe 112, so as to avoid affecting the normal flow of the glass melt in the second pipe 112. In particular, the glass melt has a high viscosity at low temperatures. If it cannot be separated in time under abnormal emergency conditions, the glass melt in the second pipe 112 will not be able to be discharged normally, thereby causing production stagnation.
[0076] Specifically, the inner diameters of the first pipe 111 and the second pipe 112 are equal, and the glass melt in the first pipe 111 can flow smoothly into the second pipe 112, effectively preventing the generation of liquid flow dead zones and temperature differences, and can effectively inhibit the introduction of air bubbles and impurities, thereby ensuring the uniformity of the composition of the glass melt.
[0077] In this embodiment, a sealing tube 115 is extended from the second flange 114 toward the first flange 113, and a sealing ring 116 is provided on the periphery of the first pipe 111. The inner side of the sealing ring 116 is fitted with the first pipe 111, and the outer side of the sealing ring 116 is fitted with the sealing tube 115. The sealing ring 116 is used to achieve sealing and heat preservation functions to prevent the glass melt from generating a temperature difference when flowing from the first pipe 111 to the second pipe 112.
[0078] Specifically, the sealing ring 116 is formed by splicing two semicircular rings. The sealing ring 116 is made of sillimanite, corundum, mullite, zero-expansion silica bricks, ramming materials and other brick materials with relatively low expansion. The outer diameter of the sealing ring 116 at low temperature is smaller than the inner diameter of the sealing tube 115, and the outer diameter of the sealing ring 116 at high temperature is slightly smaller than or equal to the inner diameter of the sealing tube 115 to prevent the sealing ring 116 from excessively expanding at high temperature and causing deformation of the first pipe 111 or the second pipe 112.
[0079] Compared with the prior art, the discharging device 100 provided in the embodiment of the present invention can realize uniform discharging of molten glass, improve the uniformity of discharging flow rate and discharging flow rate, ensure the uniformity of temperature of molten glass when entering the forming device, avoid quality defects of formed glass products, and ensure the production quality of glass products, so that the glass production equipment has good product quality and high yield rate.
[0080] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A discharging device, characterized in that: include: Discharge pipe; A flow blocker is installed in the discharge pipe, and is used to reduce the flow rate of the glass melt while ensuring the flow rate of the glass melt; The liquid flow bin is provided with a material receiving port and a material discharging port, and the material discharging pipe is connected to the material receiving port; A diverter mechanism is installed in the liquid flow bin, and a plurality of liquid flow inlets are arranged in the horizontal direction. One end of the diverter mechanism is arranged in the material receiving port to divert the glass melt output from the discharge pipe and make it flow out of the discharge port through the plurality of liquid flow inlets respectively. The areas of the plurality of liquid flow inlets first decrease and then increase in the horizontal direction.
2. The discharging device according to claim 1, characterized in that: One end of the diversion mechanism abuts against the inner wall of the material receiving opening and evenly divides the material receiving opening.
3. The discharging device according to claim 1, characterized in that: The diversion mechanism includes a diversion plate and a flow plate, the diversion plate is arranged in the material receiving port to separate the material receiving port, the flow plate is arranged above the discharge port and opposite to the material receiving port, the horizontal heights of both ends of the flow plate are lower than the horizontal heights of the flow plate corresponding to the material receiving port, the flow plate is provided with a plurality of groups of flow holes at intervals along its length direction, the number of the flow holes in each group is at least one, and each group of the flow holes forms a flow inlet.
4. The discharging device according to claim 3, characterized in that: The diameters of the plurality of groups of liquid flow holes gradually increase in a direction away from the diverter plate.
5. The discharging device according to claim 3, characterized in that: The number of each group of the flow holes is three, and the three flow holes are arranged in a triangle. One side of the triangle formed by the combination of the three flow holes is arranged close to the diverter plate and parallel to the diverter plate.
6. The discharging device according to claim 5, characterized in that: The diameters of the three flow holes in each group are equal.
7. The discharging device according to claim 3, characterized in that: The liquid flow plate is spaced apart from the inner wall of the liquid flow bin along the width direction thereof to form a liquid flow gap, and the liquid flow gap is used for the glass melt to flow through.
8. The discharging device according to claim 7, characterized in that: A supporting rib is arranged in the liquid flow gap, one end of the supporting rib is connected to the liquid flow plate, and the other end is connected to the inner wall of the liquid flow bin.
9. The discharging device according to claim 3, characterized in that: The diversion mechanism also includes a plurality of seepage plates, which are arranged in parallel and at intervals along the length direction of the discharge port and perpendicular to the end face of the discharge port. The liquid flow plate and two adjacent seepage plates together form a liquid flow channel, each of the liquid flow inlets is connected to a liquid flow channel, and the lengths of the plurality of liquid flow channels in the horizontal direction are equal.
10. The discharging device according to claim 9, characterized in that: The seepage plate is provided with seepage holes, and two adjacent liquid flow channels are connected through the seepage holes.
11. The discharging device according to claim 1, characterized in that: The baffle comprises a connecting rod and a baffle, wherein the connecting rod passes through the baffle and is fixedly connected to the baffle, the connecting rod is connected to the inner wall of the discharge pipe, and the baffle is in the shape of a water drop.
12. The discharging device according to claim 1, characterized in that: The discharging device also includes a heating mechanism, and the liquid flow bin includes an outer shell, an insulation layer, a heating layer and a bin body, the outer shell is arranged outside the insulation layer, the insulation layer is arranged outside the heating layer, the heating layer is arranged outside the bin body, the diversion mechanism is arranged inside the bin body, the heating layer is provided with an interlayer cavity, the interlayer cavity is used to store a heating medium, the heating mechanism is connected to the heating layer, and the heating mechanism is used to heat the heating layer through the heating medium.
13. The discharging device according to claim 12, characterized in that: The heating mechanism is a heating fan, the heating medium is air, the heating layer is provided with an air inlet and an exhaust port, the air inlet and the exhaust port are both communicated with the interlayer cavity, and the heating mechanism is connected to the air inlet.
14. The discharging device according to claim 12, characterized in that: The discharging device also includes a temperature sensor and a controller. The temperature sensor is installed outside the bin body and is electrically connected to the controller. The temperature sensor is used to detect the real-time temperature of the glass melt and send the real-time temperature to the controller. The controller is connected to the heating mechanism, and the controller is used to adjust the heating power of the heating mechanism according to the real-time temperature.
15. The discharging device according to claim 1, characterized in that: The width of the liquid flow bin gradually decreases in the direction from the material receiving port to the material discharging port.
16. The discharging device according to claim 1, characterized in that: The discharge pipe includes a first pipeline and a second pipeline, a first flange is provided at one end of the first pipeline, a second flange is provided at one end of the second pipeline, the first flange is connected to the second flange by bolts, and the second pipeline is connected to the material receiving port.
17. The discharging device according to claim 16, characterized in that: The second flange is provided with a sealing sleeve extending in a direction close to the first flange, and a sealing ring is provided on the periphery of the first pipe. The inner side of the sealing ring is fitted with the first pipe, and the outer side of the sealing ring is fitted with the sealing sleeve.
18. A glass production equipment, characterized in that: Comprising a discharging device as described in any one of claims 1 to 17.
Citation Information
Cited By
Platinum blanking device for glass production
CN121248120A
