Melting furnace for low-hydroxyl high-purity quartz weight

Abstract

The utility model provides a melting furnace for a low-hydroxyl high-purity quartz weight, which relates to the technical field of melting furnaces and comprises a melting furnace body, a plurality of annular pipes are uniformly distributed in the melting furnace body, an ignition head is mounted at the top of the melting furnace body in a penetrating manner, and an exhaust funnel is fixedly connected to the top of the melting furnace body. An exhaust pipe is fixedly connected to the top of the exhaust barrel, a heat exchanger is fixedly connected to one end of the exhaust pipe, a filter is connected to the top of the heat exchanger, a storage box is arranged on the side face of the melting furnace body, and a water storage box is arranged in the storage box. Waste gas generated during combustion is conveniently exhausted from the top through the exhaust funnel and conveyed to the position of the heat exchanger through the exhaust pipe, heat in the waste gas is subjected to heat exchange treatment through the heat exchanger, and a water source is loaded in the water storage tank, so that the water source is conveniently heated through the heat exchanger, and heat energy utilization is achieved; and the storage box and the water storage box are matched so that the heat preservation function can be provided.

Description

Technical Field

[0001] The utility model relates to the technical field of melting furnaces, in particular to a low-hydroxyl high-purity quartz ingot melting furnace. Background Art

[0002] Quartz glass is an amorphous material composed of only one component, silicon dioxide. Therefore, it has many advantages such as high temperature resistance, strong chemical stability, high purity, good transmittance, and radiation resistance. It is widely used in advanced optics, semiconductors, photovoltaics, aerospace, optical fiber, etc. Among them, low-hydroxyl quartz glass has not only the above qualities, but also has a very low hydroxyl content, which makes it have better infrared transmittance, higher softening point and better temperature resistance, so it has become a necessity in the fields of infrared optics, lasers, optical fibers, aerospace and semiconductors.

[0003] In the prior art, for example, the Chinese patent number CN217947963U, "A deposition kiln for synthetic quartz", comprises: a furnace body, a cavity is arranged in the furnace body, the cavity is divided from top to bottom into a deposition reaction zone, a deposition shaping zone and a deposition stabilization zone, and a blowtorch hole is arranged at the top of the cavity; a blowtorch is assembled in the blowtorch hole; the blowtorch is used to spray silicon tetrachloride, hydrogen and oxygen into the cavity; a helium-filled channel is used to introduce helium into the deposition reaction zone, and the helium is used to remove the microbubbles that are not completely closed in the initial stage during the melting process; a chlorine-filled channel is used to introduce chlorine into the deposition shaping zone, and the chlorine is used to achieve surface dehydroxylation and purification of the top layer of the primary length material; a waste flue is used to guide the reaction waste gas generated in the deposition reaction zone and the deposition shaping zone in the deposition stabilization zone, and cool the surface of the quartz ingot to below the softening point. The deposition kiln for synthetic quartz of the utility model can realize the preparation of synthetic quartz products with high uniformity, low hydroxyl content, low metal impurity content and low bubble defects in the CVD process.

[0004] Existing melting furnaces generate a large amount of waste gas during the melting process. Direct discharge of the waste gas will lead to a waste of energy, which in turn leads to a decline in the performance of the melting furnace and a lack of energy-saving effect, resulting in a poor use effect of the melting furnace. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that a large amount of waste gas is generated during the melting process, and the direct discharge of the waste gas will lead to a waste of energy, which in turn leads to a decline in the function of the melting furnace and a lack of energy-saving effect, resulting in a poor effect of the melting furnace. A low-hydroxyl high-purity quartz ingot melting furnace is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a low-hydroxyl high-purity quartz ingot melting furnace, comprising a melting furnace body, a plurality of annular tubes are evenly distributed inside the melting furnace body, an ignition head is installed through the top of the melting furnace body, an exhaust chimney is fixedly connected to the top of the melting furnace body, an exhaust chimney is fixedly connected to the top of the exhaust pipe, one end of the exhaust pipe is fixedly connected to a heat exchanger, the top of the heat exchanger is connected to a filter, a storage box is arranged on the side of the melting furnace body, a water tank is arranged inside the storage box, and the heat exchanger is arranged on the inner side of the water tank.

[0007] Preferably, a connecting pipe is provided inside the melting furnace body, the annular pipes are all connected to the connecting pipe, the top of the connecting pipe passes through the top of the melting furnace body, and the top of the connecting pipe is connected to a liquid storage tank.

[0008] Preferably, a furnace door is provided on the front of the melting furnace body, and a loading tray is provided on the inner bottom of the melting furnace body.

[0009] Preferably, a water inlet is fixedly connected to the top of the storage box.

[0010] Preferably, a drain outlet is fixedly connected to the side of the water storage tank, and one end of the drain outlet passes through the side of the storage tank.

[0011] Preferably, support legs are fixedly installed at the four corners of the bottom of the storage box, and a support plate is provided at the bottom of the melting furnace body.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the exhaust pipe is used to conveniently discharge the exhaust gas generated during combustion at the top, and the exhaust gas is transported to the position of the heat exchanger through the exhaust pipe. The heat in the exhaust gas is exchanged by the heat exchanger, and the water source is loaded inside the water storage tank, so that the water source is conveniently heated by the heat exchanger, which is conducive to realizing the utilization of thermal energy and improving the energy-saving effect. The storage box and the water storage tank cooperate to provide the function of heat preservation.

[0014] 2. In the utility model, the connecting pipe is used to facilitate the installation and connection of the annular pipe, and the annular pipe is provided with a plurality of nozzles. The liquid storage tank is connected to the top of the connecting pipe, which is convenient for storing gas and cooperating with the connecting pipe to transport the gas, thereby achieving the effect of effective combustion. The evenly distributed arrangement of the annular pipe is conducive to improving the comprehensiveness of the combustion, thereby facilitating the improvement of the melting efficiency through the annular distributed combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural diagram of a low-hydroxyl high-purity quartz ingot melting furnace;

[0016] Figure 2 This is a partial cross-sectional structural schematic diagram of a low-hydroxyl high-purity quartz ingot melting furnace proposed in the utility model;

[0017] Figure 3 The utility model provides a partial cross-sectional structural schematic diagram of a low-hydroxyl high-purity quartz ingot melting furnace;

[0018] Figure 4 For this utility model Figure 2 A in the figure is an enlarged structural diagram.

[0019] Legend: 1. Melting furnace body; 2. Furnace door; 3. Liquid storage tank; 4. Connecting pipe; 5. Ring pipe; 6. Loading plate; 7. Ignition head; 8. Exhaust pipe; 9. Exhaust pipe; 10. Heat exchanger; 11. Filter; 12. Storage box; 13. Water tank; 14. Water inlet; 15. Drain outlet. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a technical solution: a low-hydroxyl high-purity quartz ingot melting furnace, comprising a melting furnace body 1, a plurality of annular tubes 5 are evenly distributed inside the melting furnace body 1, an ignition head 7 is installed through the top of the melting furnace body 1, an exhaust pipe 8 is fixedly connected to the top of the melting furnace body 1, an exhaust pipe 9 is fixedly connected to the top of the exhaust pipe 8, a heat exchanger 10 is fixedly connected to one end of the exhaust pipe 9, a filter 11 is connected to the top of the heat exchanger 10, a storage box 12 is arranged on the side of the melting furnace body 1, a water tank 13 is arranged inside the storage box 12, the heat exchanger 10 is arranged on the inner side of the water tank 13, a water inlet 14 is fixedly connected to the top of the storage box 12, a drain outlet 15 is fixedly connected to the side of the water tank 13, one end of the drain outlet 15 runs through the side of the storage box 12, support legs are fixedly installed at the four corners of the bottom of the storage box 12, and a support plate is arranged at the bottom of the melting furnace body 1.

[0023] In this embodiment, the annular tube 5 is distributed inside the melting furnace body 1, and the ignition head 7 is used for electric ignition, so that the gas ejected from the annular tube 5 is ignited, which facilitates the melting process of the quartz material. The exhaust pipe 8 is convenient for discharging the exhaust gas generated during combustion at the top. The exhaust gas is transported to the position of the heat exchanger 10 through the exhaust pipe 9. The heat in the exhaust gas is exchanged by the heat exchanger 10, and the water source is loaded inside the water tank 13, so that the water source is conveniently heated by the heat exchanger 10, which is conducive to realizing the utilization of thermal energy and improving the energy saving effect. The storage box 12 and the water tank 13 cooperate to provide the function of heat preservation. The water inlet 14 facilitates the addition of water to the inside of the water tank 13, and the drain outlet 15 facilitates the discharge of the water source.

[0024] Embodiment 2, as Figure 1-Figure 4 As shown, a connecting pipe 4 is provided inside the melting furnace body 1, and the annular pipes 5 are connected to the connecting pipe 4. The top of the connecting pipe 4 passes through the top of the melting furnace body 1. The top of the connecting pipe 4 is connected to a liquid storage tank 3. A furnace door 2 is provided on the front of the melting furnace body 1, and a loading tray 6 is provided on the inner bottom of the melting furnace body 1.

[0025] In this embodiment, the connecting pipe 4 facilitates the installation connection of the annular pipe 5, and the annular pipe 5 is distributed with multiple nozzles. The liquid storage tank 3 is connected to the top of the connecting pipe 4, which is convenient for storing gas and cooperating with the connecting pipe 4 to transport the gas, thereby achieving the effect of effective combustion. The evenly distributed arrangement of the annular pipe 5 is conducive to improving the comprehensiveness of combustion, which is conducive to improving the efficiency of melting through annular distribution combustion and ensuring that the melting work is carried out quickly. The furnace door 2 is convenient for sealing on the front of the melting furnace body 1 after the combustion starts, and the loading tray 6 is convenient for loading the melted items and facilitating the melting operation.

[0026] The working principle of this embodiment is as follows: when in use, the liquid storage tank 3 is first connected to the top of the connecting pipe 4 to facilitate the storage of gas, and cooperates with the connecting pipe 4 to transport the gas, thereby achieving the effect of effective combustion. The evenly distributed arrangement of the annular tube 5 is conducive to improving the comprehensiveness of combustion. The furnace door 2 is convenient for sealing on the front of the melting furnace body 1 after the combustion starts, and the loading plate 6 is convenient for loading the melted objects. The annular tube 5 is distributed inside the melting furnace body 1, and the ignition head 7 is used for electric shock ignition, so that the gas ejected from the annular tube 5 is ignited, thereby facilitating the quartz material During the melting process, the exhaust pipe 8 is convenient for discharging the exhaust gas generated during the combustion at the top, and the exhaust gas is transported to the position of the heat exchanger 10 through the exhaust pipe 9. The heat in the exhaust gas is exchanged by the heat exchanger 10. The water inlet 14 is convenient for adding water to the inside of the water tank 13, and the inside of the water tank 13 is loaded with water, which is convenient for heating the water through the heat exchanger 10, which is beneficial to realize the utilization of thermal energy and improve the energy saving effect. The storage box 12 and the water tank 13 cooperate to provide the function of heat preservation, and the drain outlet 15 is convenient for discharging the water.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A low-hydroxyl high-purity quartz ingot melting furnace, comprising a melting furnace body (1), characterized in that: A plurality of annular tubes (5) are evenly distributed inside the melting furnace body (1); an ignition head (7) is installed through the top of the melting furnace body (1); an exhaust pipe (8) is fixedly connected to the top of the melting furnace body (1); an exhaust pipe (9) is fixedly connected to the top of the exhaust pipe (8); a heat exchanger (10) is fixedly connected to one end of the exhaust pipe (9); a filter (11) is connected to the top of the heat exchanger (10); a storage box (12) is arranged on the side of the melting furnace body (1); a water storage tank (13) is arranged inside the storage box (12); and the heat exchanger (10) is arranged on the inner side of the water storage tank (13).

2. The low-hydroxyl high-purity quartz ingot melting furnace according to claim 1, characterized in that: A connecting pipe (4) is provided inside the melting furnace body (1), the annular pipes (5) are all connected to the connecting pipe (4), the top of the connecting pipe (4) passes through the top of the melting furnace body (1), and the top of the connecting pipe (4) is connected to a liquid storage tank (3).

3. The low-hydroxyl high-purity quartz ingot melting furnace according to claim 1, characterized in that: A furnace door (2) is provided on the front of the melting furnace body (1), and a loading tray (6) is provided on the inner bottom of the melting furnace body (1).

4. The low-hydroxyl high-purity quartz ingot melting furnace according to claim 1, characterized in that: The top of the storage box (12) is fixedly connected with a water inlet (14).

5. The low-hydroxyl high-purity quartz ingot melting furnace according to claim 1, characterized in that: A drainage outlet (15) is fixedly connected to the side of the water storage tank (13), and one end of the drainage outlet (15) passes through the side of the storage box (12).

6. The low-hydroxyl high-purity quartz ingot melting furnace according to claim 1, characterized in that: Support legs are fixedly mounted at the four corners of the bottom of the storage box (12), and a support plate is provided at the bottom of the melting furnace body (1).

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