Molten glass overflow adjusting device for outlet end of rolled glass forming passage

Abstract

The utility model provides a molten glass overflow adjusting device for an outlet end of a rolled glass forming passage, which comprises a first overflow port, a second overflow port, a third overflow port and a fourth overflow port, the first overflow port is arranged on the side surface of the outlet end of the rolled glass forming passage, the height of the first overflow port is flush with that of the outlet end of the rolled glass forming passage, and the first overflow port is communicated with the outlet end of the rolled glass forming passage; the overflow flashboard is connected with the flashboard system, and the flashboard system can drive the overflow flashboard to move towards or away from the first overflow port above the first overflow port; and the second overflow port is communicated with the first overflow port and arranged on the side, away from the first overflow port, of the overflow gate plate, and the diameter of the second overflow port is smaller than that of the first overflow port. The overflow flashboard is driven by the flashboard system to move up and down, so that the flow of molten glass flowing out of the outlet end of the rolled glass forming passage can be accurately controlled, the molten glass in the furnace and the forming material channel is kept flowing, the molten glass level of the melting furnace is controlled, and the influence of empty furnace combustion on the service life of the melting furnace is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rolled glass forming equipment, in particular to a glass liquid overflow regulating device for an outlet end of a rolled glass forming passage. Background Art

[0002] Rolled glass refers to glass products that are pressed by rollers with patterns during the cooling process of molten glass. The principle of rolled glass molding is to transform the molten glass into a solid product with a fixed shape. Molding must be carried out within a certain temperature range. This is a cooling process. The glass changes from a viscous liquid to a plastic state, and then to a brittle solid state. Continuous rolled glass molding is to make the glass liquid flow through the overflow port along the lower lip brick into the middle of the upper and lower rollers for pressing and molding. There are many factors that affect the rolling molding, such as the material properties of the glass, the quality of the molten glass liquid, the structure of the overflow port, the diameter of the rolling roller, the annealing kiln, etc., and even the changes in the external temperature will have an impact. Generally speaking, the factors that affect the rolling molding refer to the kiln pressure at the overflow port in front of the rolling roller, the temperature and lateral temperature of the glass liquid, the rolling roller speed, the surface temperature of the rolling roller, etc. If the above five factors change, the production situation will change accordingly, resulting in different molding defects.

[0003] At present, there is no corresponding device that can solve the problem of how to keep the glass liquid flowing in the kiln and the forming channel when replacing the press or lip bricks in the continuous production of rolled glass. Utility Model Content

[0004] In view of the defects in the prior art, the purpose of the utility model is to provide a glass liquid overflow regulating device for the outlet end of the rolled glass molding passage. The overflow gate moves up and down under the drive of the gate system, and can accurately control the flow rate of glass liquid flowing out of the outlet end of the rolled glass molding passage, thereby maintaining the flow of glass liquid in the kiln and the molding channel.

[0005] The utility model provides a glass liquid overflow regulating device for the outlet end of a rolled glass forming passage, comprising:

[0006] A first overflow port, the first overflow port is arranged on the side of the outlet end of the rolled glass forming passage, the height of the first overflow port is flush with the height of the outlet end of the rolled glass forming passage, and the first overflow port is connected to the outlet end of the rolled glass forming passage;

[0007] an overflow gate, the overflow gate being connected to a gate system, and the gate system being capable of driving the overflow gate to move above the first overflow port toward or away from the first overflow port;

[0008] A second overflow port, the second overflow port is connected to the first overflow port, the second overflow port is arranged on a side of the overflow gate away from the first overflow port, and the diameter of the second overflow port is smaller than the diameter of the first overflow port.

[0009] In one embodiment, an overflow contraction portion is provided between the first overflow port and the second overflow port, the overflow contraction portion, the first overflow port, and the second overflow port are connected, and a diameter of the overflow contraction portion close to the first overflow port is larger than a diameter close to the second overflow port.

[0010] In one embodiment, an overflow pipe is further included, and the overflow pipe is connected to the second overflow port.

[0011] In one embodiment, a cooling water inlet is provided on a side of the overflow pipe close to the second overflow port.

[0012] In one embodiment, a scraper is provided below the overflow pipe.

[0013] In one embodiment, the gate system includes a gate clamp, a steel cable, a pulley bracket and a winch, wherein the gate clamp clamps the overflow gate; one end of the steel cable is fixedly connected to the gate clamp, and the other end of the steel cable is fixedly connected to the winch after passing through the pulley bracket.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the glass liquid overflow regulating device for the outlet end of the rolled glass forming passage provided by the utility model, the overflow gate moves up and down under the drive of the gate system, and can accurately control the flow rate of the glass liquid flowing out of the outlet end of the rolled glass forming passage, keep the glass liquid in the kiln and the forming channel flowing, ensure the control of the glass liquid level in the melting furnace and avoid the burning of the empty kiln to affect the service life of the melting furnace, and also reduce the cooling time of the glass liquid at the overflow port and the low temperature, so that the time of the lip brick bubble removal process after the lead is shortened as much as possible, and the thickness or other parameters reach the normal production index as soon as possible; the whole device has a compact structure, and each component is convenient to assemble and easy to operate, and it has strong versatility for the process assembly line of rolled glass and high safety assurance, thereby ensuring the stable quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 A side view of a glass liquid overflow regulating device for an outlet end of a rolling glass forming passage provided by an embodiment of the utility model;

[0018] Figure 2 A top view of a glass liquid overflow regulating device for an outlet end of a rolling glass forming passage provided in an embodiment of the utility model;

[0019] In the figure:

[0020] 1-first overflow port; 2-rolled glass forming passage outlet end; 3-overflow contraction portion; 4-second overflow port; 5-overflow gate; 6-gate clamp; 7-steel cable; 8-pulley bracket; 9-winch; 10-overflow pipe; 11-cooling water inlet; 12-scraper. DETAILED DESCRIPTION

[0021] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0022] Example

[0023] Reference Figure 1-Figure 2 As shown, the embodiment of the utility model provides a glass liquid overflow regulating device for the outlet end of a rolled glass forming passage, comprising a first overflow port 1, an overflow gate 5, and a second overflow port 4, wherein:

[0024] The first overflow port 1 is arranged on the side of the outlet end 2 of the rolled glass forming passage, the height of the first overflow port 1 is flush with the height of the outlet end 2 of the rolled glass forming passage, the first overflow port 1 is connected with the outlet end 2 of the rolled glass forming passage, and the glass liquid flows out from the outlet end 2 of the rolled glass forming passage and then enters the first overflow port 1. Preferably, at the position of the first overflow port 1, the glass liquid is cooled by means of surface overflow, which can not only purify the glass liquid, but also adjust the temperature of the outlet end 2 of the rolled glass forming passage;

[0025] The overflow gate 5 is connected to the gate system, and the gate system can drive the overflow gate 5 to move up and down above the first overflow port 1 toward or away from the first overflow port 1 to control the flow rate of the glass liquid outflow, solving the problem of how to keep the glass liquid flowing in the kiln and the forming channel when replacing the press or lip brick in the continuous production of rolled glass; the gate system can use a motor or a manual lifting device, and technicians in this field can choose according to actual conditions. In this embodiment, a winch 9 is used to control the up and down movement of the overflow gate 5;

[0026] The second overflow port 4 is connected to the first overflow port 1, and the second overflow port 4 is arranged on the side of the overflow gate 5 away from the first overflow port 1, that is, the overflow gate 5 is arranged between the first overflow port 1 and the second overflow port 4. The diameter of the second overflow port 4 is smaller than the diameter of the first overflow port 1, which can further control the flow rate of the glass liquid.

[0027] Reference Figure 2 As shown, in this embodiment, an overflow contraction portion 3 is provided between the first overflow port 1 and the second overflow port 4, and the overflow contraction portion 3, the first overflow port 1, and the second overflow port 4 are connected. The diameter of the overflow contraction portion 3 close to the first overflow port 1 is larger than the diameter close to the second overflow port 4, that is, in the process from the first overflow port 1 to the second overflow port 4, the diameter of the overflow contraction portion 3 gradually decreases, and the flow rate of the outflowing glass liquid can also be further controlled, so as to keep the glass liquid in the kiln and the forming channel flowing during the replacement of the press or the lip brick.

[0028] Reference Figure 1 As shown, in the embodiment of the utility model, an overflow pipe 10 is also included. The overflow pipe 10 is connected to the second overflow port 4. A cooling water inlet 11 is provided on the side of the overflow pipe 10 close to the second overflow port 4. The glass liquid after preliminary cooling flows from the second overflow port 4 into the overflow pipe 10 for further cooling.

[0029] Reference Figure 1 As shown, a scraper 12 is provided below the overflow pipe 10 to receive the molten glass flowing out of the overflow pipe 10. The molten glass is quenched by water in the scraper 12 to form broken glass particles. The scraper 12 continuously discharges the broken glass particles formed by water quenching to meet the continuous overflow requirement.

[0030] In this embodiment, the gate system includes a gate clamp 6, a steel cable 7, a pulley bracket 8 and a winch 9, wherein the gate clamp 6 clamps the overflow gate 5; one end of the steel cable 7 is fixedly connected to the gate clamp 6, and the other end of the steel cable 7 is fixedly connected to the winch 9 after passing through the pulley bracket 8; the winch 9 tightens or loosens the steel cable 7, and then the pulley bracket 8 can be used to control the up and down movement of the overflow gate 5 to adjust the flow rate of the overflowing glass liquid.

[0031] The process of the glass liquid after entering the overflow regulating device provided by the embodiment of the utility model from the outlet end 2 of the rolled glass forming passage is as follows: in the process of the glass liquid flowing from the first overflow port 1 to the second overflow port 4, it is respectively controlled by the overflow gate 5 and the overflow contraction part 3 to control the outflow speed and flow rate at all times. The overflow gate 5 controls the flow rate of the glass liquid above the first overflow port 1 through the gate system, and the diameter of the overflow contraction part 3 gradually becomes smaller, which can further control the flow rate of the glass liquid; the glass liquid finally passes through the second overflow port 4 and enters the overflow pipe 10 for cooling, and enters the scraper 12 after flowing out of the overflow pipe 10. The glass liquid is water quenched in the scraper 12 to form broken glass particles, and the scraper 12 continuously discharges the broken glass particles formed by water quenching to meet the continuous overflow requirements.

[0032] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.

Claims

1. A glass liquid overflow regulating device for the outlet end of a rolled glass forming passage, characterized in that: include: A first overflow port, the first overflow port is arranged on the side of the outlet end of the rolled glass forming passage, the height of the first overflow port is flush with the height of the outlet end of the rolled glass forming passage, and the first overflow port is connected to the outlet end of the rolled glass forming passage; an overflow gate, the overflow gate being connected to a gate system, and the gate system being capable of driving the overflow gate to move above the first overflow port toward or away from the first overflow port; A second overflow port, the second overflow port is connected to the first overflow port, the second overflow port is arranged on a side of the overflow gate away from the first overflow port, and the diameter of the second overflow port is smaller than the diameter of the first overflow port.

2. The glass liquid overflow regulating device for the outlet end of the rolling glass forming passage according to claim 1, characterized in that: An overflow contraction portion is provided between the first overflow port and the second overflow port, the overflow contraction portion, the first overflow port, and the second overflow port are connected, and a diameter of the overflow contraction portion close to the first overflow port is larger than a diameter close to the second overflow port.

3. The glass liquid overflow regulating device for the outlet end of the rolling glass forming passage according to claim 1, characterized in that: It also includes an overflow pipe, which is connected to the second overflow port.

4. The glass liquid overflow regulating device for the outlet end of the rolling glass forming passage according to claim 3, characterized in that: A cooling water inlet is arranged on one side of the overflow pipe close to the second overflow port.

5. The glass liquid overflow regulating device for the outlet end of the rolling glass forming passage according to claim 3, characterized in that: A scraper is arranged below the overflow pipe.

6. The glass liquid overflow regulating device for the outlet end of the rolling glass forming passage according to claim 1, characterized in that: The gate system includes a gate clamp, a steel cable, a pulley bracket and a winch, wherein the gate clamp clamps the overflow gate; one end of the steel cable is fixedly connected to the gate clamp, and the other end of the steel cable is fixedly connected to the winch after passing through the pulley bracket.

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