Multistage efficient cooling device for fused quartz production

Abstract

The invention discloses a multi-stage efficient cooling device for fused quartz production, the multi-stage efficient cooling device comprises a device shell and a cooling box mounted in the device shell, the interior of the device shell is divided into a lifting cavity and a cooling cavity, the cooling cavity is arranged above the lifting cavity, a lifting mechanism is arranged in the lifting cavity, and the cooling mechanism is arranged in the cooling cavity. An annular groove is formed in the inner wall of the cooling cavity, a liquid homogenizing mechanism is installed in the annular groove, and a material opening is formed in the top face of the device shell. Fused quartz is placed in the cooling box and separated by the cooling partition plate after entering the cooling box, the fused quartz is separated into small blocks to be independently cooled, cooling liquid circulates in the cooling partition plate in the cooling process to exchange heat with the fused quartz, the cooling effect is achieved, the cooling box is located in the cooling liquid, and the cooling effect is improved. The volume of the cooled fused quartz is small, and the small fused quartz blocks can be jacked up through the hydraulic cylinder, so that the fused quartz blocks are convenient to take out.

Description

Technical Field

[0001] The invention relates to the technical field of quartz processing, in particular to a multi-stage high-efficiency cooling device for producing fused quartz. Background Art

[0002] Fused quartz is an amorphous (glassy) form of silicon oxide (quartz, silica). It is a typical glass with a long-range disordered atomic structure. It provides high operating temperature and low thermal expansion coefficient through three-dimensional structural cross-linking. Its use in precision casting shells has been increasing year by year, especially in the surface layer of silica sol shells. It has achieved great results and has made great breakthroughs in the use and price ratio of zircon materials. It is an ideal material for engineering applications. However, fused quartz needs to be roasted or poured before processing and needs to be cooled with the help of a cooling device after processing.

[0003] The existing rapid cooling device for cooling molten quartz pours the molten quartz into a cooling container for cooling. During the cooling process, cooling liquid and cooling air are used to assist cooling. The quartz at the edge of the cooling container cools down quickly, while the cooling speed in the middle of the quartz is obviously insufficient. Moreover, it is not easy to take out the quartz after it is cooled and formed. Therefore, a multi-stage high-efficiency cooling device for the production of molten quartz is proposed. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides a multi-stage high-efficiency cooling device for molten quartz production, which solves the following problems: in the prior art rapid cooling device for cooling molten quartz, the molten quartz is poured into a cooling container for cooling, and cooling liquid and cooling air are used to assist cooling during the cooling process. The quartz at the edge of the cooling container cools down quickly, while the cooling speed in the middle of the quartz is obviously insufficient, and the quartz is inconvenient to be taken out after being cooled and formed.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multi-stage high-efficiency cooling device for fused quartz production, comprising a device shell, a cooling box installed inside the device shell, the interior of the device shell is divided into a lifting cavity and a cooling cavity, the cooling cavity is placed above the lifting cavity, a lifting mechanism is arranged in the lifting cavity, an annular groove is provided on the inner wall of the cooling cavity and a liquid balancing mechanism is installed in the annular groove, and a material port is provided on the top surface of the device shell;

[0008] The cooling box is installed inside the cooling chamber, and a plurality of cooling baffles are installed inside the cooling box. The cooling baffles are vertically equidistantly distributed, and a cooling chamber is formed between adjacent cooling baffles. Liquid chambers are opened inside the cooling baffles and the cooling box. A drainage plate is installed above one side of the outer wall of the cooling box, and a water inlet plate is installed below. The water inlet plate and the drainage plate are respectively connected to the liquid chamber in the cooling baffle. Two air guide plates are installed on the other side of the outer wall of the cooling box.

[0009] The liquid equalizing mechanism includes a connecting ring, a motor and a liquid pushing plate. The upper end of the outer wall of the connecting ring protrudes outward to form a support ring. The support ring is embedded in the ring groove and is rotatably connected to the ring groove. A turntable is installed at the inner bottom of the ring groove and the top surface of the turntable is connected to the lower end of the support ring. The liquid pushing plate is evenly installed on the upper end of the inner wall of the connecting ring and is located in the middle of the cooling box. The liquid pushing plate pushes the liquid in the cooling chamber to flow toward the cooling box. The lower end of the inner wall of the connecting ring is evenly installed with teeth. The motor is installed on the inner top of the lifting chamber and the output end extends into the cooling chamber and is connected with a gear, and the gear is meshed with the teeth.

[0010] As a further preferred embodiment of the present invention, the lifting mechanism includes a hydraulic cylinder, a connecting plate and a push rod. The hydraulic cylinder is installed in the middle of the inner bottom surface of the lifting cavity. The connecting plate is horizontally arranged and the middle of the bottom surface is connected to the output end of the hydraulic cylinder. The push rod is vertically installed on the top surface of the connecting plate. The upper end of the push rod extends into the cooling box and is placed in the middle of the cooling cavity and is connected to the push plate.

[0011] As a further preferred embodiment of the present invention, an air cooling mechanism is installed on the outer wall of the device casing, and the air cooling mechanism includes a fan, a return air duct and an air duct. The fan is installed in the middle of the side wall of the device casing and the wind output end is connected to the air duct. The return air duct is arranged around the upper end of the outer wall of the device casing and forms an air guide ring. The two ends of the return air duct are respectively connected to the air inlet of the fan.

[0012] As a further preferred embodiment of the present invention, the air duct is L-shaped and its end extends to the inside of the device casing and is connected to an air inlet pipe, the other end of the air inlet pipe is connected to the air guide plate located below, a three-way solenoid valve is also installed on the surface of the air duct, an exhaust pipe is installed on the other output end of the three-way solenoid valve, and a temperature sensor is installed inside the air duct and above the three-way solenoid valve.

[0013] As a further preferred embodiment of the present invention, an air cavity is provided at the top of the air guide ring and the device housing, the inner top of the device housing is an inclined structure and has air holes on the surface, the air holes are connected to the air cavity and the gas below is introduced into the air cavity.

[0014] As a further preferred embodiment of the present invention, a plurality of air guide ducts are further arranged on the two side walls of the cooling baffle, the upper end of the cooling baffle is angular and an air guide cavity is formed inside, the air guide cavity is respectively connected to the air guide duct and the air guide plate located above, and the lower end of the air guide duct is connected to the air guide plate located below.

[0015] As a further preferred embodiment of the present invention, a plurality of temperature conducting plates are evenly arranged on the inner wall of the liquid cavity, the width of the temperature conducting plates is half of the width of the liquid cavity, and the temperature conducting plates are arranged horizontally and distributed alternately.

[0016] As a further preferred embodiment of the present invention, a water guide pipe is installed in the middle of the surface of the water inlet plate, and the end of the water guide pipe extends to the outside of the device casing. A water inlet branch pipe is installed on the top surface of the water inlet plate, and the end of the water inlet branch pipe is connected to the inside of the liquid cavity. A drainage hole is opened on the surface of the drainage plate.

[0017] As a further preferred embodiment of the present invention, a drain pipe and a refill pipe are installed at the bottom of the cooling chamber, and the ends of the drain pipe and the refill pipe extend to the outside of the device housing.

[0018] (III) Beneficial effects

[0019] The present invention provides a multi-stage high-efficiency cooling device for fused quartz production. It has the following beneficial effects:

[0020] The present invention places molten quartz in a cooling box, and after entering the cooling box, the molten quartz is separated by a cooling partition, and the molten quartz is separated into small pieces for individual cooling. During the cooling process, cooling liquid flows inside the cooling partition to exchange heat with the molten quartz, so as to achieve a cooling effect, and the cooling box is placed in the cooling liquid to achieve a continuous cooling effect. After the cooling is completed, the volume of the molten quartz is small, and the small pieces of molten quartz can be lifted up by a hydraulic cylinder for easy removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of the rapid cooling device for cooling fused quartz according to the present invention;

[0022] Figure 2 It is a structural diagram of the cooling box of the present invention;

[0023] Figure 3 This is a diagram showing the internal structure of the housing of the device of the present invention;

[0024] Figure 4 This is a diagram showing the internal structure of the cooling box of the present invention;

[0025] Figure 5 for Figure 4 A is an enlarged view of the middle image.

[0026] In the figure: 1. device housing; 2. air guide ring; 3. material port; 4. cooling box; 5. return air pipe; 6. fan; 7. three-way solenoid valve; 8. exhaust pipe; 9. air duct; 10. drain plate; 11. drain hole; 12. water inlet branch pipe; 13. water inlet plate; 14. water guide pipe; 15. cooling baffle; 16. cooling cavity; 17. air guide plate; 18. air cavity; 19. air hole; 20. ring groove; 21. liquid push plate; 22. connecting ring; 23. teeth; 24. liquid inlet pipe; 25. ejector rod; 26. connecting plate; 27. hydraulic cylinder; 28. turntable; 29. ​​gear; 30. air inlet pipe; 31. motor; 32. liquid cavity; 33. ejector plate; 34. temperature conduction plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0028] See also Figure 1-5, the embodiment of the present invention provides a technical solution: a multi-stage high-efficiency cooling device for molten quartz production, comprising a device shell 1, a cooling box 4 installed inside the device shell 1, the interior of the device shell 1 is divided into a lifting chamber and a cooling chamber, the cooling chamber is placed above the lifting chamber, a lifting mechanism is arranged in the lifting chamber, an annular groove 20 is provided on the inner wall of the cooling chamber, and a liquid equalizing mechanism is installed in the annular groove 20, and a material port 3 is provided on the top surface of the device shell 1; the cooling box 4 is installed inside the cooling chamber, a plurality of cooling baffles 15 are installed inside the cooling box 4, the cooling baffles 15 are vertically equidistantly distributed, and a cooling chamber 16 is formed between adjacent cooling baffles 15, a liquid chamber 32 is provided inside the cooling baffle 15 and the cooling box 4, a drainage plate 10 is installed above one side of the outer wall of the cooling box 4, and a water inlet plate 13 is installed below, the water inlet plate 13 and the drainage plate 10 are respectively connected to the liquid chamber 32 in the cooling baffle 15, and two air guide plates 17 are installed on the other side of the outer wall of the cooling box 4, and the water inlet The plate 13 introduces the liquid and passes through the cooling baffle 15 for heat exchange, and then is discharged from the drainage hole 11 on the surface of the drainage plate 10; the liquid equalizing mechanism includes a connecting ring 22, a motor 31 and a liquid pushing plate 21, the upper end of the outer wall of the connecting ring 22 protrudes outward to form a supporting ring, the supporting ring is embedded in the inner part of the ring groove 20 and is rotatably connected to the ring groove 20, a turntable 28 is installed on the inner bottom of the ring groove 20 and the top surface of the turntable 28 is connected to the lower end of the supporting ring, and the liquid pushing plate 21 is evenly installed on the upper end of the inner wall of the connecting ring 22 and Located in the middle of the cooling box 4, the liquid pushing plate 21 pushes the liquid in the cooling chamber to flow toward the cooling box 4. The lower end of the inner wall of the connecting ring 22 is evenly installed with teeth 23. The motor 31 is installed at the inner top of the lifting chamber and the output end extends into the cooling chamber and is connected with a gear 29. The gear 29 is meshed and connected with the teeth 23. The gear 29 is driven to rotate by the motor 31. After the gear 29 rotates, it drives the connecting ring 22 to rotate. The liquid pushing plate 21 pushes the internal liquid to improve the uniformity of heat exchange.

[0029] Further improved, the lifting mechanism includes a hydraulic cylinder 27, a connecting plate 26 and a push rod 25. The hydraulic cylinder 27 is installed in the middle of the inner bottom surface of the lifting cavity. The connecting plate 26 is horizontally arranged and the middle of the bottom surface is connected to the output end of the hydraulic cylinder 27. The push rod 25 is vertically installed on the top surface of the connecting plate 26. The upper end of the push rod 25 extends into the cooling box 4 and is placed in the middle of the cooling cavity 16 and is connected to a push plate 33. The hydraulic cylinder 27 lifts the connecting plate 26 and drives the push rod 25 and the push plate 33. The push plate 33 pushes the material out to facilitate the unloading operation.

[0030] As a further improvement, an air cooling mechanism is installed on the outer wall of the device casing 1, and the air cooling mechanism includes a fan 6, a return air pipe 5 and an air duct 9. The fan 6 is installed in the middle of the side wall of the device casing 1 and the wind output end is connected to the air duct 9. The return air pipe 5 is arranged around the upper end of the outer wall of the device casing 1 and forms an air guide ring 2. The two ends of the return air pipe 5 are respectively connected to the air inlet of the fan 6. After the fan 6 is started, the air in the cooling chamber 16 is introduced into the fan 6, and then discharged into the cooling box 4 through the air duct 9 for circulation. The air duct 9 is of L-shaped structure and the end thereof extends to the inside of the device housing 1 and is connected to an air inlet pipe 30. The other end of the air inlet pipe 30 is connected to the air guide plate 17 located below. A three-way solenoid valve 7 is also installed on the surface of the air duct 9. An exhaust pipe 8 is installed on the other output end of the three-way solenoid valve 7. A temperature sensor is installed inside the air duct 9 and above the three-way solenoid valve 7. The temperature sensor detects the temperature of the air flowing inside the air duct 9. When the set temperature is reached, the interface of the three-way solenoid valve 7 is opened to discharge the air through the exhaust pipe 8, which is convenient for heat recovery. An air cavity 18 is provided at the top of the air guide ring 2 and the device housing 1. The inner top of the device housing 1 is of an inclined structure and an air hole 19 is provided on the surface. The air hole 19 is connected to the air cavity 18 and the gas below is introduced into the air cavity 18. The hot air in the cooling cavity 16 enters the air cavity 18 through the air hole 19, and then enters the fan 6 through the air guide ring 2 and is discharged into the exhaust pipe 8 and the air duct 9.

[0031] As a further improvement, a number of air guide tubes are provided on the two side walls of the cooling baffle 15. The upper end of the cooling baffle 15 is angular and an air guide cavity 18 is formed inside. The air guide cavity 18 is respectively connected to the air guide tube and the air guide plate 17 located above. The lower end of the air guide tube is connected to the air guide plate 17 located below. The cooling baffle 15 plays the role of dividing quartz and cooling. The air guide cavity 18 circulates and discharges air, which has the effect of cooling and heat recovery.

[0032] As a further improvement, a plurality of heat conduction plates 34 are evenly arranged on the inner wall of the liquid chamber 32. The width of the heat conduction plates 34 is half the width of the liquid chamber 32, and the heat conduction plates 34 are horizontally arranged and alternately distributed. The heat conduction plates 34 can increase the heat transfer speed to achieve a rapid cooling effect. At the same time, the liquid in the liquid chamber 32 will generate a certain vibration after contacting the heat conduction plates 34, so that a gap is generated between the cooling baffle 15 and the cooled quartz, which is convenient for the material removal operation.

[0033] As a further improvement, a water pipe 14 is installed in the middle of the surface of the water inlet plate 13, and the end of the water pipe 14 extends to the outside of the device housing 1. A water inlet branch pipe 12 is installed on the top surface of the water inlet plate 13, and the end of the water inlet branch pipe 12 is connected to the inside of the liquid chamber 32. A drainage hole 11 is opened on the surface of the drainage plate 10. The cooling liquid is introduced into the water inlet plate 13 through the water pipe 14, and then enters the cooling partition 15 through the water inlet branch pipe 12.

[0034] As a further improvement, a drain pipe 24 and a refill pipe are installed at the bottom of the cooling chamber, and the ends of the drain pipe 24 and the refill pipe extend outside the device housing 1 to facilitate the drainage and refill of the liquid. When the temperature of the liquid in the cooling chamber 16 is too high, it is discharged and the heat can be reused for a second time.

[0035] Working principle: molten quartz is introduced into the cooling chamber 16 of the cooling box 4, and cooling water is injected into the cooling chamber and the water pipe 14. The cooling water in the cooling chamber has a cooling effect from the outside of the cooling box 4. The liquid in the water pipe 14 enters the cooling baffle 15 through the water inlet branch pipe 12, and is discharged through the drain hole 11 after heat exchange with the cooling baffle 15. The liquid discharged from the drain hole 11 enters the cooling chamber. When the temperature of the liquid inside the cooling chamber is too high, it is discharged through the drain pipe 24. After the fan 6 is started, air is drawn in and introduced into the air guide plate 17 below through the air duct 9, and enters the air guide pipe. After the circulating air in the air guide pipe is heated, it is discharged from the upper air guide plate 17 and inhaled by the air hole 19 to achieve a circulation effect. When the temperature inside the air duct 9 is too high, it is discharged through the exhaust pipe 8, which has a heat recovery effect. After the molten quartz is cooled, it is pushed out by the hydraulic cylinder 27 to facilitate the unloading operation.

[0036] The components of the present invention are 1. device housing; 2. air guide ring; 3. material port; 4. cooling box; 5. return air pipe; 6. fan; 7. three-way solenoid valve; 8. exhaust pipe; 9. air duct; 10. drain plate; 11. drain hole; 12. water inlet branch pipe; 13. water inlet plate; 14. water guide pipe; 15. cooling baffle; 16. cooling cavity; 17. air guide plate; 18. air cavity; 19. air hole; 20. ring groove; 21. liquid push plate; 22. connecting ring; 23. teeth; 24. liquid inlet pipe; 25. ejector rod; 26. connecting plate; 27. hydraulic cylinder; 28. turntable; 29. ​​gear; 30. air inlet pipe; 31. motor; 32. liquid cavity; 33. ejector plate; 34. temperature conduction plate. All the components are general standard parts or components known to those skilled in the art. The structures and principles thereof can be known to those skilled in the art through technical manuals or conventional experimental methods. The problem solved by the present invention is that the existing rapid cooling device for cooling molten quartz pours the molten quartz into a cooling container for cooling and lowering the temperature. During the cooling process, cooling liquid and cooling air are used to assist in cooling. The quartz at the edge of the cooling container cools down quickly, while the cooling speed in the middle of the quartz is obviously insufficient, and it is inconvenient to take out the quartz after it is cooled and formed. The present invention combines the above components with each other. The present invention places the molten quartz in a cooling box 4, and after entering the cooling box 4, it is separated by a cooling partition 15, and the molten quartz is divided into small pieces for individual cooling. During the cooling process, cooling liquid circulates inside the cooling partition 15 to exchange heat with the molten quartz to achieve a cooling effect, and the cooling box 4 is placed in the cooling liquid to achieve a continuous cooling effect. After the cooling is completed, the molten quartz has a small volume, and the small pieces of molten quartz can be lifted up by a hydraulic cylinder 27 for easy removal.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-stage high-efficiency cooling device for fused quartz production, comprising a device housing (1) and a cooling box (4) installed inside the device housing (1), characterized in that: The interior of the device housing (1) is divided into a lifting chamber and a cooling chamber, the cooling chamber is placed above the lifting chamber, a lifting mechanism is arranged in the lifting chamber, an annular groove (20) is provided on the inner wall of the cooling chamber, and a liquid equalizing mechanism is installed in the annular groove (20), and a material port (3) is provided on the top surface of the device housing (1); The cooling box (4) is installed inside the cooling chamber, and a plurality of cooling baffles (15) are installed inside the cooling box (4). The cooling baffles (15) are vertically equidistantly distributed, and a cooling chamber (16) is formed between adjacent cooling baffles (15). Liquid chambers (32) are provided inside the cooling baffles (15) and the cooling box (4). A drainage plate (10) and a water inlet plate (13) are installed above one side of the outer wall of the cooling box (4), and the water inlet plate (13) and the drainage plate (10) are respectively connected to the liquid chamber (32) in the cooling baffle (15). Two air guide plates (17) are installed on the other side of the outer wall of the cooling box (4); The liquid equalizing mechanism comprises a connecting ring (22), a motor (31) and a liquid pushing plate (21); the upper end of the outer wall of the connecting ring (22) protrudes outward to form a supporting ring; the supporting ring is embedded in the annular groove (20) and is rotatably connected to the annular groove (20); a turntable (28) is installed at the inner bottom of the annular groove (20) and the top surface of the turntable (28) is connected to the lower end of the supporting ring; the liquid pushing plate (21) is evenly installed at the upper end of the inner wall of the connecting ring (22) and is located in the middle of the cooling box (4); the liquid pushing plate (21) pushes the liquid in the cooling chamber to flow toward the cooling box (4); the lower end of the inner wall of the connecting ring (22) is evenly installed with teeth (23); the motor (31) is installed at the inner top of the lifting chamber and the output end extends into the cooling chamber and is connected with a gear (29); the gear (29) is meshingly connected with the teeth (23).

2. A multi-stage high-efficiency cooling device for fused quartz production according to claim 1, characterized in that: The lifting mechanism comprises a hydraulic cylinder (27), a connecting plate (26) and a push rod (25); the hydraulic cylinder (27) is installed in the middle of the inner bottom surface of the lifting cavity; the connecting plate (26) is horizontally arranged and the middle of the bottom surface is connected to the output end of the hydraulic cylinder (27); the push rod (25) is vertically installed on the top surface of the connecting plate (26); the upper end of the push rod (25) extends into the cooling box (4) and is placed in the middle of the cooling cavity (16) and is connected to a push plate (33).

3. A multi-stage high-efficiency cooling device for fused quartz production according to claim 1, characterized in that: An air cooling mechanism is installed on the outer wall of the device housing (1), and the air cooling mechanism comprises a fan (6), an air return pipe (5) and an air duct (9). The fan (6) is installed in the middle of the side wall of the device housing (1) and the wind output end is connected to the air duct (9). The air return pipe (5) is arranged around the upper end of the outer wall of the device housing (1) to form an air guide ring (2). The two ends of the air return pipe (5) are respectively connected to the air inlet of the fan (6).

4. A multi-stage high-efficiency cooling device for fused quartz production according to claim 3, characterized in that: The air duct (9) is in an L-shaped structure and its end extends into the interior of the device housing (1) and is connected to an air intake pipe (30); the other end of the air intake pipe (30) is connected to an air guide plate (17) located below; a three-way solenoid valve (7) is also installed on the surface of the air duct (9); an exhaust pipe (8) is installed at the other output end of the three-way solenoid valve (7); and a temperature sensor is installed inside the air duct (9) and above the three-way solenoid valve (7).

5. A multi-stage high-efficiency cooling device for fused quartz production according to claim 3, characterized in that: An air cavity (18) is provided at the top of the air guide ring (2) and the device housing (1); the inner top of the device housing (1) is an inclined structure and has air holes (19) on the surface; the air holes (19) are connected to the air cavity (18) and the gas below is introduced into the interior of the air cavity (18).

6. A multi-stage high-efficiency cooling device for fused quartz production according to claim 1, characterized in that: A plurality of air guide tubes are also arranged on the two side walls of the cooling baffle (15); the upper end of the cooling baffle (15) is angular and forms an air guide cavity (18) therein; the air guide cavity (18) is respectively connected to the air guide tube and the air guide plate (17) located above; and the lower end of the air guide tube is connected to the air guide plate (17) located below.

7. A multi-stage high-efficiency cooling device for fused quartz production according to claim 1, characterized in that: A plurality of temperature conducting plates (34) are evenly arranged on the inner wall of the liquid cavity (32); the width of the temperature conducting plates (34) is half the width of the liquid cavity (32); and the temperature conducting plates (34) are arranged horizontally and distributed alternately.

8. A multi-stage high-efficiency cooling device for fused quartz production according to claim 1, characterized in that: A water guide pipe (14) is installed in the middle of the surface of the water inlet plate (13), and the end of the water guide pipe (14) extends to the outside of the device housing (1). A water inlet branch pipe (12) is installed on the top surface of the water inlet plate (13), and the end of the water inlet branch pipe (12) is connected to the inside of the liquid cavity (32). A drainage hole (11) is opened on the surface of the drainage plate (10).

9. A multi-stage high-efficiency cooling device for fused quartz production according to claim 1, characterized in that: A liquid discharge pipe (24) and a liquid replenishing pipe are installed at the bottom of the cooling chamber, and the ends of the liquid discharge pipe (24) and the liquid replenishing pipe extend to the outside of the device housing (1).

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