Drying equipment for ceramic tile production

Abstract

The utility model discloses drying equipment for ceramic tile production, which comprises a spray dryer main body, a raw material box, a hot air box, a cyclone separator, a sucking pump, a drying box, a centrifugal atomizer and an energy-saving preheating box, the top of the preheating coil extends to the outside to be provided with a mud guide pipe communicated with the centrifugal atomizer, a storage box is arranged at the bottom of the cyclone separator, a first air guide pipe communicated with an air pump is arranged at the top of the cyclone separator, the air pump is provided with a second air guide pipe communicated with the top of the energy-saving preheating box, and a discharge port is formed in the bottom of the drying box. And a material guide pipe communicated with the cyclone separator is arranged at the bottom of the discharge port. Compared with the prior art, the spray type drying device has the advantages that heat energy exhausted from the rear end of the spray type drying device is recycled repeatedly, energy loss can be greatly reduced, and therefore the energy-saving effect is achieved with good efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic tile production, in particular to a drying device used for ceramic tile production. Background Art

[0002] Ceramic tiles are plate-shaped or block-shaped ceramic products made of clay and other inorganic non-metallic raw materials through molding, sintering and other processes. In recent decades, due to the continuous development of spray drying equipment and technology, its application in the ceramic industry has become increasingly extensive. At present, spray drying has been used to produce wall tiles, floor tiles, electrical porcelain and special ceramics such as ferrite, alumina, steatite, zircon, etc. on a large scale. In recent years, it has also been applied to the production of daily-use ceramics, high-voltage electrical porcelain, glass powder and certain metals such as tungsten, titanium, tantalum, niobium, etc.

[0003] At present, most of the spray drying equipment in China has excessive energy consumption. The main reason is that the heat of drying is directly discharged from the rear end of the cyclone separator. The heat loss of this part is huge, and it is necessary to know how to utilize this part of heat. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a drying device for ceramic tile production with reduced energy consumption in view of the deficiencies raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a drying device for ceramic tile production, comprising a spray dryer body, a raw material box, a hot air box, a cyclone separator and an exhaust pump, wherein the spray dryer body is connected with a drying box, the top of the spray dryer body is connected with a centrifugal atomizer, the bottom of the centrifugal atomizer is connected with an atomizing nozzle extending to the top of the drying box, the top of the raw material box is connected with a mud pump and a feeding port, the mud pump is connected with a mud outlet pipe and a mud extraction pipe extending into the raw material box, the hot air box is connected with a dry A hot air pipe connected to the drying box, an energy-saving preheating box is connected to the top of the mud discharge pipe, the mud discharge pipe extends into the energy-saving preheating box and is connected with a preheating coil, the top of the preheating coil extends to the outside and is connected with a mud guide pipe connected to a centrifugal atomizer, the bottom of the cyclone separator is connected with a storage box, the top of the cyclone separator is connected with a first air guide pipe connected to an exhaust pump, the exhaust pump is connected with a second air guide pipe connected to the top of the energy-saving preheating box, the bottom of the drying box is connected with a discharge port, and the bottom of the discharge port is connected with a material guide pipe connected to the cyclone separator.

[0006] Furthermore, an air inlet box is connected to the bottom of the hot air box, and a third air duct connected to the air inlet box is connected to the bottom of one side of the energy-saving preheating box, so as to facilitate hot air circulation and reuse of heat energy.

[0007] Furthermore, a temperature measuring box connected to the hot air pipe and the drying box is connected to the top of the spray dryer body, a first temperature sensor is connected inside the temperature measuring box, and the temperature measuring box wraps the centrifugal atomizer to facilitate temperature measurement and ensure that the internal temperature is appropriate.

[0008] Furthermore, the drying box and the energy-saving preheating box are respectively connected with a second temperature sensor and a third temperature sensor to further detect the temperature.

[0009] Furthermore, a stirring motor is connected to the top of the raw material box, and a stirrer extending into the raw material box is connected to the bottom power end of the stirring motor to facilitate the sedimentation of the sludge in the raw material box.

[0010] Furthermore, a drain pipe is connected to the bottom of the energy-saving preheating box, and a drain valve is connected to the bottom of the drain pipe to facilitate the discharge of condensed water.

[0011] The advantage of the drying equipment for ceramic tile production of the utility model compared with the prior art is that the utility model can greatly reduce energy loss by repeatedly recycling the heat energy discharged from the rear end of the spray drying equipment, thereby achieving energy saving effect with better efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a structural schematic diagram of a drying device for producing ceramic tiles.

[0013] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a spray dryer main body of a drying device for producing ceramic tiles.

[0014] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a raw material box of a drying device for producing ceramic tiles.

[0015] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of an energy-saving preheating box of a drying device for producing ceramic tiles.

[0016] As shown in the figure: 1. Spray dryer body; 2. Raw material box; 3. Hot air box; 4. Energy-saving preheating box; 5. Cyclone separator; 6. Storage box; 7. Air pump; 8. Mud pump; 9. Centrifugal atomizer; 10. Feeding port; 11. Mud extraction pipe; 12. Mud outlet pipe; 13. Mud guide pipe; 14. Material guide pipe; 15. First air guide pipe; 16. Second air guide pipe; 17. Preheating coil; 18. Drain pipe; 19. Drain valve; 20. Third air guide pipe; 21. Air inlet box; 22. Hot air pipe; 23. Drying box; 24. Atomizing nozzle; 25. Temperature measuring box; 26. Discharge port; 27. Stirring motor; 28. Agitator; 29. ​​First temperature sensor; 30. Second temperature sensor; 31. Third temperature sensor. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] Combined with Figure 1-4 A drying device for ceramic tile production includes a spray dryer body 1, a raw material box 2, a hot air box 3, a cyclone separator 5 and an air pump 7. The spray dryer body 1 is connected with a drying box 23. The top of the spray dryer body 1 is connected with a centrifugal atomizer 9. The centrifugal atomizer 9 can spray mud into fine particles. The bottom of the centrifugal atomizer 9 is connected with an atomizing nozzle 24 extending to the top of the drying box 23. The top of the raw material box 2 is connected with a mud pump 8 and a feeding port 10. The mud pump 8 is connected with a mud outlet pipe 12 and a mud extraction pipe 11 extending into the raw material box 2. The hot air box 3 is connected with a hot air pipe 22 connected to the drying box 23. The top of the mud outlet pipe 12 is connected with an energy-saving preheating box 4. The mud outlet pipe 12 extends to the energy-saving preheating box 4 and is connected with a preheating coil 17. The top of the preheating coil 17 extends to the outside and is connected with a mud guide connected to the centrifugal atomizer 9. Tube 13, the mud in the pipeline can be preliminarily preheated through the energy-saving preheating box 4, so that the heat ejected from the rear end can be utilized, the bottom of the cyclone separator 5 is connected with a storage box 6, the top of the cyclone separator 5 is connected with a first air guide pipe 15 connected with an air pump 7, the air pump 7 is connected with a second air guide pipe 16 connected with the top of the energy-saving preheating box 4, the bottom of the drying box 23 is connected with a discharge port 26, and the bottom of the discharge port 26 is connected with a guide pipe 14 connected with the cyclone separator 5, so that the hot air box 3 inputs hot air into the drying box 23 to dry the small mud particles, and the dried hot air and dry dust enter the cyclone separator 5 at the same time, the dry dust enters the storage box 6, and the moist hot air enters the energy-saving preheating box 4 to preheat the preheating coil 17, and the mud pump 8 can be used to pump the mud into the preheating coil 17 for preheating before entering the centrifugal atomizer 9, so as to achieve energy-saving operation by preheating.

[0019] The bottom of the hot air box 3 is connected to an air inlet box 21, and the bottom of one side of the energy-saving preheating box 4 is connected to a third air duct 20 connected to the air inlet box 21. The air inlet box 21 can also take in normal room temperature air, and at the same time, the waste heat of the energy-saving preheating box 4 is circulated for hot air, so that the heat can be utilized to the greatest extent.

[0020] A temperature measuring box 25 connected to the hot air pipe 22 and the drying box 23 is connected to the top of the spray dryer body 1. A first temperature sensor 29 is connected to the temperature measuring box 25. The temperature measuring box 25 wraps the centrifugal atomizer 9. The drying box 23 and the energy-saving preheating box 4 are respectively connected to a second temperature sensor 30 and a third temperature sensor 31. The temperature sensors can sense the temperature of the corresponding positions.

[0021] A stirring motor 27 is connected to the top of the raw material box 2, and a stirrer 28 extending into the raw material box 2 is connected to the bottom power end of the stirring motor 27. The stirring of the stirrer 28 can prevent the mud from settling. A drain pipe 18 is connected to the bottom of the energy-saving preheating box 4, and a drain valve 19 is connected to the bottom of the drain pipe 18. Because the hot gas at the rear end contains steam, the steam will condense after contacting the preheating coil 17. The condensed water can be discharged by regularly opening the drain valve 19.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A drying device for producing ceramic tiles, comprising a spray dryer body (1), a raw material box (2), a hot air box (3), a cyclone separator (5) and an exhaust pump (7), wherein the spray dryer body (1) is connected to a drying box (23), the top of the spray dryer body (1) is connected to a centrifugal atomizer (9), the bottom of the centrifugal atomizer (9) is connected to an atomizing nozzle (24) extending to the top of the drying box (23), the top of the raw material box (2) is connected to a mud pump (8) and a feeding port (10), the mud pump (8) is connected to a mud outlet pipe (12) and a mud extraction pipe (11) extending into the raw material box (2), the hot air box (3) is connected to a hot air pipe (22) communicating with the drying box (23), characterized in that: The top of the mud discharge pipe (12) is connected to an energy-saving preheating box (4), the mud discharge pipe (12) extends into the energy-saving preheating box (4) and is connected to a preheating coil (17), the top of the preheating coil (17) extends to the outside and is connected to a mud guide pipe (13) connected to the centrifugal atomizer (9), the bottom of the cyclone separator (5) is connected to a material storage box (6), the top of the cyclone separator (5) is connected to a first air guide pipe (15) connected to an air extraction pump (7), the air extraction pump (7) is connected to a second air guide pipe (16) connected to the top of the energy-saving preheating box (4), the bottom of the drying box (23) is connected to a discharge port (26), the bottom of the discharge port (26) is connected to a material guide pipe (14) connected to the cyclone separator (5).

2. A drying device for ceramic tile production according to claim 1, characterized in that: The bottom of the hot air box (3) is connected to an air inlet box (21), and the bottom of one side of the energy-saving preheating box (4) is connected to a third air guide pipe (20) in communication with the air inlet box (21).

3. A drying device for ceramic tile production according to claim 1, characterized in that: A temperature measuring box (25) connected to the hot air pipe (22) and the drying box (23) is connected to the top of the spray dryer body (1), a first temperature sensor (29) is connected to the temperature measuring box (25), and the temperature measuring box (25) is arranged to wrap around the centrifugal atomizer (9).

4. A drying device for ceramic tile production according to claim 1, characterized in that: The drying box (23) and the energy-saving preheating box (4) are respectively connected to a second temperature sensor (30) and a third temperature sensor (31).

5. The drying device for ceramic tile production according to claim 1, characterized in that: The top of the raw material box (2) is connected to a stirring motor (27), and the bottom power end of the stirring motor (27) is connected to a stirrer (28) extending into the raw material box (2).

6. A drying device for ceramic tile production according to claim 1, characterized in that: The bottom of the energy-saving preheating box (4) is connected to a drainage pipe (18), and the bottom of the drainage pipe (18) is connected to a drainage valve (19).

Images