Cooling device for aluminum oxide ceramic production

Abstract

The utility model relates to the field of alumina ceramic production equipment, in particular to a cooling device for alumina ceramic production, which comprises a cooling box, an inlet and an outlet are arranged at two ends of the cooling box, a screen conveying belt is arranged in the cooling box, a plurality of annular pipes are sleeved on the outer side of the screen conveying belt, and a plurality of air injection holes are arranged on the inner sides of the annular pipes. An exhaust assembly is arranged at the upper end of the cooling box, an air inlet pipe connected with the annular pipe is arranged below the cooling box, and the air inlet pipe is connected with an air inlet temperature adjusting assembly. The aluminum oxide ceramic product cooling device has the advantages that aluminum oxide ceramic products are uniformly cooled, and the cooling speed is convenient to regulate and control.

Description

Technical Field

[0001] The utility model relates to the field of alumina ceramic production equipment, in particular to a cooling device for alumina ceramic production. Background Art

[0002] Alumina ceramic products are a kind of ceramic material with aluminum oxide as the main body. Alumina ceramic products have good conductivity, mechanical strength and high temperature resistance, and are widely used in machinery, chemical industry and electricity. The forming methods of alumina ceramic products include dry pressing, grouting, extrusion, cold isostatic pressing, injection, casting, hot pressing and hot isostatic pressing. After forming, they need to be sintered. After sintering, the alumina ceramic products need to be cooled. The existing cooling devices often cool the alumina ceramic products unevenly, resulting in large temperature differences in various parts of the alumina ceramic products, affecting the quality of the alumina ceramic products. Therefore, it is particularly necessary to develop a cooling device for alumina ceramic production with uniform cooling effect. Summary of the invention

[0003] The utility model aims to provide a cooling device for producing alumina ceramics, which has the advantage of uniform cooling effect.

[0004] The technical solutions adopted are as follows:

[0005] A cooling device for the production of alumina ceramics comprises a cooling box, inlet and outlet openings are provided at both ends of the cooling box, a mesh conveyor belt is arranged inside the cooling box, a plurality of annular tubes are sleeved on the outer side of the mesh conveyor belt, a plurality of jet holes are opened on the inner side of the annular tubes, an exhaust assembly is arranged at the upper end of the cooling box, an air intake pipe connected to the annular tubes is arranged below the cooling box, and the air intake pipe is connected to an air intake temperature regulating assembly.

[0006] Preferably, the exhaust assembly comprises an exhaust pipe, the exhaust pipe is provided with a plurality of exhaust pipes inserted into the cooling box, and an exhaust fan is connected to the end of the exhaust pipe.

[0007] Preferably, the air intake temperature control component includes a liquid storage tank, a spiral tube is arranged in the liquid storage tank, both ends of the spiral tube extend to the outside of the liquid storage tank, the two ends of the spiral tube are respectively connected to the air intake pipe and the induced draft fan, antifreeze is arranged in the liquid storage tank, a refrigeration pipe is arranged in the middle of the liquid storage tank, and a compressor unit connected to the refrigeration pipe is arranged outside the liquid storage tank.

[0008] Preferably, the induced draft fan comprises an air inlet pipe, and an air filter element is arranged at the end of the air inlet pipe.

[0009] Preferably, a temperature sensor is provided in the liquid storage tank.

[0010] Preferably, a heat-insulating layer is provided on the outer side of the liquid storage tank.

[0011] Preferably, door covers are vertically slidably provided on the outer sides of the entrances and exits.

[0012] Compared with the prior art, the beneficial effects are:

[0013] 1. The utility model utilizes the air jet holes on each annular tube to evenly blow air to the alumina ceramic products placed on the mesh conveyor belt, so that the alumina ceramic products can be evenly cooled, and the temperature of the air blown to the alumina ceramic products is adjusted by the air intake temperature regulating component to control the cooling speed of the alumina ceramic products.

[0014] 2. The utility model utilizes a refrigeration pipe and a compressor unit connected thereto to control the temperature of the antifreeze in the liquid storage tank, and utilizes the antifreeze to exchange heat with the air in the spiral pipe, thereby adjusting the temperature of the cooling air. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a cooling device for alumina ceramic production according to the utility model.

[0016] Figure 2 yes Figure 1 The structural diagram at A in the middle,

[0017] In the figure: 1. cooling box, 2. inlet and outlet, 3. door cover, 4. mesh conveyor belt, 5. exhaust pipe, 6. exhaust pipe, 7. exhaust fan, 8. ring pipe, 9. jet hole, 10. intake pipe, 11. liquid storage tank, 12. spiral pipe, 13. induced draft fan, 14. refrigeration pipe, 15. compressor unit, 16. temperature sensor, 17. air filter element. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. Figure 1 to Figure 2 As shown:

[0019] Embodiment 1: A cooling device for alumina ceramic production includes a cooling box 1, with inlets and outlets 2 at both ends of the cooling box 1, the two inlets and outlets 2 corresponding to each other, a mesh conveyor belt 4 is arranged in the cooling box 1, and the mesh conveyor is a prior art and will not be described in detail here; both ends of the mesh conveyor extend to the outside of the cooling box 1,

[0020] A plurality of annular tubes 8 are sleeved on the outer side of the mesh conveyor belt 4, and a plurality of jet holes 9 are opened on the inner side of the annular tubes 8. An exhaust assembly is arranged at the upper end of the cooling box 1, and the exhaust assembly discharges the high-temperature gas in the cooling box 1. An air intake pipe 10 connected to the annular tubes 8 is arranged below the cooling box 1, and the air intake pipe 10 is connected to an air intake thermostat assembly, and the air intake thermostat assembly adjusts the temperature of the air blown to the alumina ceramic product to control the cooling speed of the alumina ceramic product;

[0021] Embodiment 2: A cooling device for the production of alumina ceramics, comprising a cooling box 1, with inlets 2 at both ends of the cooling box 1, the two inlets 2 corresponding to each other, door covers 3 vertically slidingly arranged on the outer sides of the inlets 2, a mesh conveyor belt 4 arranged in the cooling box 1, the mesh conveyor is a prior art and will not be described in detail here; both ends of the mesh conveyor extend to the outside of the cooling box 1, the exhaust assembly comprises an exhaust pipe 5, the exhaust pipe 5 is provided with a plurality of exhaust pipes 6 inserted into the cooling box 1, and an exhaust fan 7 is connected to the end of the exhaust pipe 5,

[0022] A plurality of annular tubes 8 are sleeved on the outer side of the mesh conveyor belt 4, and a plurality of jet holes 9 are opened on the inner side of the annular tubes 8. An exhaust assembly is arranged on the upper end of the cooling box 1, and the exhaust assembly discharges the high-temperature gas in the cooling box 1. An air intake pipe 10 connected to the annular tubes 8 is arranged below the cooling box 1, and the air intake pipe 10 is connected to an air intake temperature regulating assembly.

[0023] The air intake temperature regulating assembly includes a liquid storage tank 11, a spiral tube 12 is arranged in the liquid storage tank 11, both ends of the spiral tube 12 extend to the outside of the liquid storage tank 11, and both ends of the spiral tube 12 are respectively connected to the air intake pipe 10 and the induced draft fan 13, the induced draft fan 13 introduces external air into the spiral tube 12, the induced draft fan 13 includes an air intake pipe, and an air filter element 17 is arranged at the end of the air intake pipe, and the air filter element 17 reduces the external dust from entering the spiral tube 12.

[0024] The liquid storage tank 11 is provided with antifreeze liquid, a refrigeration pipe 14 is provided in the middle of the liquid storage tank 11, and a compressor unit 15 connected to the refrigeration pipe 14 is provided outside the liquid storage tank 11. The refrigeration pipe 14 and the compressor unit 15 connected thereto control the temperature of the antifreeze liquid in the liquid storage tank 11, and the antifreeze liquid is used to exchange heat with the air in the spiral tube 12, thereby adjusting the temperature of the cooling air.

[0025] A temperature sensor 16 is provided in the liquid storage tank 11 to monitor the temperature of the antifreeze liquid. A heat preservation layer is provided on the outside of the liquid storage tank 11 to reduce the temperature exchange between the antifreeze liquid and the outside.

[0026] The specific working process is as follows: before cooling the alumina ceramic products, start the refrigeration pipe 14 and the compressor unit 15 connected thereto to control the temperature of the antifreeze in the liquid storage tank 11, monitor the temperature of the antifreeze according to the temperature sensor 16, then start the induced draft fan 13 and the exhaust fan 7, and the cooling air enters the cooling box 1 through each jet hole 9, start the mesh conveyor belt 4 to place the alumina ceramic products on the mesh conveyor belt 4, then shut down the mesh conveyor belt 4, close the two door covers 3, and use the cooling air to evenly cool the alumina ceramic products.

[0027] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A cooling device for alumina ceramic production, characterized in that: It includes a cooling box with inlets and outlets at both ends, a mesh conveyor belt arranged inside the cooling box, a plurality of annular tubes sleeved on the outer side of the mesh conveyor belt, a plurality of jet holes arranged on the inner side of the annular tubes, an exhaust assembly arranged at the upper end of the cooling box, an air intake pipe connected to the annular tubes arranged at the lower side of the cooling box, and an air intake temperature regulating assembly connected to the air intake pipe.

2. A cooling device for producing alumina ceramics as claimed in claim 1, characterized in that: The exhaust assembly comprises an exhaust pipe, the exhaust pipe is provided with a plurality of exhaust pipes inserted into the cooling box, and an exhaust fan is connected to the end of the exhaust pipe.

3. A cooling device for producing alumina ceramics as claimed in claim 1, characterized in that: The air intake temperature control component includes a liquid storage tank, a spiral tube is arranged in the liquid storage tank, both ends of the spiral tube extend to the outside of the liquid storage tank, the two ends of the spiral tube are respectively connected to the air intake pipe and the induced draft fan, antifreeze is arranged in the liquid storage tank, a refrigeration pipe is arranged in the middle of the liquid storage tank, and a compressor unit connected to the refrigeration pipe is arranged outside the liquid storage tank.

4. A cooling device for producing alumina ceramics as claimed in claim 3, characterized in that: The induced draft fan comprises an air inlet pipe, and an air filter element is arranged at the end of the air inlet pipe.

5. A cooling device for producing alumina ceramics as claimed in claim 3, characterized in that: A temperature sensor is arranged in the liquid storage tank.

6. A cooling device for producing alumina ceramics as claimed in claim 3, characterized in that: The outer side of the liquid storage tank is provided with a heat-insulating layer.

7. A cooling device for producing alumina ceramics as claimed in claim 1, characterized in that: The outer sides of the entrances and exits are provided with door covers which can slide vertically.

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