CN-121974392-A - Zirconia powder production system

Abstract

The invention discloses a zirconia powder production system for realizing automatic production of zirconia powder generated from wet zirconia, which comprises a dryer, a crusher, a calciner, a cooling unit, a crusher and a packing unit which are in butt joint in sequence, wherein the dryer is used for drying the wet zirconia, the crusher is used for crushing and drying the zirconium hydroxide, the calciner is used for calcining the zirconium hydroxide to generate zirconia, the cooling unit is used for cooling the zirconia to a preset temperature, the crusher is used for crushing the zirconia to form zirconia powder, and the packing unit is used for quantitatively packing the zirconia powder, and belongs to the technical field of inorganic compound production.

Inventors

• YAN JIAMING
• WU WEIPING

Assignees

• 广东长信精密设备有限公司

Dates

Publication Date

20260505

Application Date

20251226

Claims (10)

1. 1. The zirconia powder production system is characterized by comprising a dryer, a crusher, a calciner, a cooling unit, a pulverizer and a packing unit which are in butt joint in sequence; the dryer is used for drying wet zirconium hydroxide; The crusher is used for crushing and drying zirconium hydroxide; The calciner is used for calcining zirconium hydroxide to generate zirconium oxide; The cooling unit is used for cooling the zirconia to a preset temperature; the pulverizer is used for pulverizing zirconium oxide to form zirconium oxide powder; The packing unit is used for quantitatively packing the zirconia powder.
2. 2. The zirconia powder production system of claim 1 wherein the dryer is a microwave dryer.
3. 3. The zirconia powder production system of claim 1 wherein the output end of the dryer is provided with a first receiving bin, the input end of the crusher is provided with a first buffering bin, and the first receiving bin is connected with the first buffering bin; The output end of the crusher is provided with a second receiving bin, the input end of the calciner is provided with a second buffer bin, and the second receiving bin is connected with the second buffer bin; The output end of the cooling unit is provided with a third receiving bin, the input end of the pulverizer is provided with a third buffer bin, and the third receiving bin is connected with the third buffer bin; the output of rubbing crusher is equipped with the fourth and connects the feed bin, the input of packing unit is equipped with the fourth and caches the storehouse, the fourth connect the feed bin with the fourth caches the storehouse and is connected.
4. 4. The zirconia powder production system of claim 3 wherein the first receiving bin and the first buffer bin, the second receiving bin and the second buffer bin, the third receiving bin and the third buffer bin, and the fourth receiving bin and the fourth buffer bin are all connected by a vacuum conveying device.
5. 5. The zirconia powder production system of claim 4 wherein the vacuum delivery device comprises a delivery conduit, a vacuum feeder, a negative pressure tank and a negative pressure module, the negative pressure tank connecting the negative pressure module and the vacuum feeder, the vacuum feeder being connected with the delivery conduit.
6. 6. The zirconia powder production system of claim 5 wherein the transfer pipe has a zirconia ceramic lining.
7. 7. The zirconia powder production system of claim 1 wherein the discharge end of the calciner is provided with a water-cooled jacket; The calcining furnace is used for calcining zirconium hydroxide at 800-1000 ℃ so that the zirconium hydroxide gradually loses crystal water and is decomposed into zirconium oxide; the water-cooled jacket is used to reduce the temperature of the zirconia in the discharge end of the calciner, allowing the zirconia to cool to below 200 ℃.
8. 8. The zirconia powder production system of claim 7 wherein the cooling unit comprises a screw vibration elevator comprising a screw conveyor tray having cooling tubes disposed thereon; The spiral conveying tray is provided with a plurality of layers of trays, the trays are provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively communicated with the cooling pipe; the spiral vibration elevator cools the zirconia to below 30 ℃.
9. 9. The zirconia powder production system of claim 1 wherein the pulverizer is a hammer pulverizer having a zirconia lining disposed therein.
10. 10. The zirconia powder production system of claim 3 wherein the bagging unit comprises an automatic bagging machine and an automatic bag closer; the automatic packing machine is used for weighing and packing the zirconia powder from the fourth buffer bin into a packing bag; The automatic bag sewing machine is used for sewing and conveying out the packaged packaging bags.

Description

Zirconia powder production system Technical Field The invention belongs to the technical field of inorganic compound production, and particularly relates to a zirconia powder production system. Background At present, wet zirconium hydroxide is taken as an intermediate, and is one of the most common and important technical routes for industrially producing high-purity zirconium oxide powder; For the production of zirconia powder from wet zirconia hydroxide, it is extremely important to realize automated and intelligent production, but in the prior art, there is a lack of automated equipment for producing zirconia powder from wet zirconia hydroxide. Disclosure of Invention The invention mainly aims to provide a zirconia powder production system which realizes the automatic production of zirconia powder generated from wet zirconium hydroxide. According to a first aspect of the present invention, there is provided a zirconia powder production system comprising a dryer, a crusher, a calciner, a cooling unit, a pulverizer, and a packing unit, which are sequentially docked; the dryer is used for drying wet zirconium hydroxide; The crusher is used for crushing and drying zirconium hydroxide; The calciner is used for calcining zirconium hydroxide to generate zirconium oxide; The cooling unit is used for cooling the zirconia to a preset temperature; the pulverizer is used for pulverizing zirconium oxide to form zirconium oxide powder; The packing unit is used for quantitatively packing the zirconia powder. In the zirconia powder production system, the dryer is a microwave dryer. In the zirconia powder production system, a first receiving bin is arranged at the output end of the dryer, a first buffering bin is arranged at the input end of the crusher, and the first receiving bin is connected with the first buffering bin; The output end of the crusher is provided with a second receiving bin, the input end of the calciner is provided with a second buffer bin, and the second receiving bin is connected with the second buffer bin; The output end of the cooling unit is provided with a third receiving bin, the input end of the pulverizer is provided with a third buffer bin, and the third receiving bin is connected with the third buffer bin; the output of rubbing crusher is equipped with the fourth and connects the feed bin, the input of packing unit is equipped with the fourth and caches the storehouse, the fourth connect the feed bin with the fourth caches the storehouse and is connected. In the zirconia powder production system, the first material receiving bin is connected with the first cache bin, the second material receiving bin is connected with the second cache bin, the third material receiving bin is connected with the third cache bin, and the fourth material receiving bin is connected with the fourth cache bin through the vacuum conveying device. In the zirconia powder production system, the vacuum conveying device comprises a conveying pipeline, a vacuum feeding machine, a negative pressure tank and a negative pressure module, wherein the negative pressure tank is connected with the negative pressure module and the vacuum feeding machine, and the vacuum feeding machine is connected with the conveying pipeline. In the zirconia powder production system described above, the delivery pipe has a zirconia ceramic lining. In the zirconia powder production system, a water-cooling jacket is arranged at the discharge end of the calciner; The calcining furnace is used for calcining zirconium hydroxide at 800-1000 ℃ so that the zirconium hydroxide gradually loses crystal water and is decomposed into zirconium oxide; the water-cooled jacket is used to reduce the temperature of the zirconia in the discharge end of the calciner, allowing the zirconia to cool to below 200 ℃. In the zirconia powder production system, the cooling unit comprises a spiral vibration elevator, the spiral vibration elevator comprises a spiral conveying disc, and a cooling pipe is arranged on the spiral conveying disc; The spiral conveying tray is provided with a plurality of layers of trays, the trays are provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively communicated with the cooling pipe; the spiral vibration elevator cools the zirconia to below 30 ℃. In the zirconia powder production system, the pulverizer is a hammer pulverizer, and a zirconia lining layer is arranged inside the hammer pulverizer. In the zirconia powder production system, the packing unit comprises an automatic packing machine and an automatic sewing machine; the automatic packing machine is used for weighing and packing the zirconia powder from the fourth buffer bin into a packing bag; The automatic bag sewing machine is used for sewing and conveying out the packaged packaging bags. One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effect