[Soda ash knowledge] Daily question (152) 2010.3.14
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Please hide the reply if you briefly describe the shortcomings of the Solvay carbonization tower. If you do not hide it, no rating will be given in principle; edited posts will not be rated. Specific hiding methods: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2 %D8 The title of this issue is taken from the electronic version of the book "Technical Workers Job Training Question Bank-Soda Ash Production Operator": http://bbs.hcbbs.com/thread-13140-1-2.html
Briefly describe the shortcomings of Solvay carbonization tower: ①The internal structure of the tower is complex, the equipment is heavy, and the cost is high ； ②The carbonized liquid and the crystals precipitated from it pass through the tower at the same time from top to bottom, and the crystallization residence time is short, making it difficult to grow large particle crystals; ③ The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
1. The internal structure of the tower is complex, the equipment is bulky, and the cost is high. 2. The carbonized liquid and the crystals precipitated from it pass through the tower at the same time from top to bottom. The crystallization residence time is short, and it is difficult to grow large particle crystals. 3. The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
①The internal structure of the tower is complex, the equipment is heavy, and the cost is high； ②The carbonized liquid and the crystals precipitated from it pass through the tower at the same time from top to bottom, and the crystallization residence time is short, making it difficult to grow large particle crystals; ③ The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
1. The internal structure of the tower is complex, the equipment is bulky, and the cost is high. 2. The carbonized liquid and the crystals precipitated from it pass through the tower from top to bottom at the same time. The crystallization residence time is short, and it is difficult to grow large particle crystals. 3. The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
1. The internal structure of the tower is complex, the equipment is bulky, and the cost is high. 2. The carbonized liquid and the crystals precipitated from it pass through the tower from top to bottom at the same time. The residence time is short and it is difficult to grow into large particle crystals. 3. The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
1. The internal structure of the tower is complex, the equipment is heavy, and the cost is high； 2. The carbonized liquid and the crystals precipitated from it pass through the tower at the same time from top to bottom. The crystallization residence time is short and it is difficult to grow large particle crystals. ； 3. The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
1. The internal structure of the tower is complex, the equipment is bulky, and the cost is high; 2. The carbonized liquid and the crystals precipitated from it pass through the tower from top to bottom at the same time, and the residence time is short, making it difficult to grow large particle crystals; 3. The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short.
answer: ①The internal structure of the tower is complex, the equipment is heavy, and the cost is high ； ②The carbonized liquid and the crystals precipitated from it pass through the tower at the same time from top to bottom, and the crystallization residence time is short, making it difficult to grow large particle crystals; ③ The sodium bicarbonate in the tower is severely scarred, and the alkali production cycle is short. 1# steinback
During the soda production process, a sodium bicarbonate scar layer will form on the inner wall of the carbonization tower, especially on the surface of the cooling tube. The longer the operation time, the thicker the scar layer will be. When the scar layer reaches a certain thickness, the heat transfer efficiency decreases and the gas and liquid channels become smaller, so the operation cannot be performed normally.
The heat transfer efficiency is low, continuous production is not possible, and regular cleaning is required.