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A drum dryer provided with a liquid splash and scatter preventing equipment, which enables continuous operation by preventing a scattering liquid from making dry powder in the case in which the equipment is provided above a neighborhood of a liquid concentration section. A double drum type drum drye

A drum dryer provided with a liquid splash and scatter preventing equipment, which enables continuous operation by preventing a scattering liquid from making dry powder in the case in which the equipment is provided above a neighborhood of a liquid concentration section. A double drum type drum dryer including a liquid splash and scatter preventing equipment is provided in a horizontal above a neighborhood of a liquid concentration section between drums and has a cooling function.

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What is claimed is: 1. A double drum type drum dryer comprising: two liquid drying drums in a chamber located adjacent one another to form a liquid concentration section therebetween, said liquid concentration section configured to maintain liquid fed into said liquid concentration section in conta

What is claimed is: 1. A double drum type drum dryer comprising: two liquid drying drums in a chamber located adjacent one another to form a liquid concentration section therebetween, said liquid concentration section configured to maintain liquid fed into said liquid concentration section in contact with both of the two liquid drying drums; a liquid feed port configured to feed a liquid into the liquid concentration section; and a liquid splash and scatter preventing equipment having a cooling function provided in a location above a portion of the liquid concentration section. 2. The drum dryer according to claim 1, wherein the liquid splash and scatter preventing equipment having the cooling function comprises therein a cavity for feeding of a cooling liquid refrigerant. 3. The drum dryer according to claim 1, wherein the liquid splash and scatter preventing equipment having the cooling function is made of a hollow metal passage for feeding of cooling water. 4. The drum dryer according to claim 3, wherein the cooling water maintains a surface temperature of the hollow metal passage at 13째 C. to 40째 C. 5. The drum dryer according to claim 4, wherein the cooling water maintains a surface temperature of the hollow metal passage at 18째 C. to 38째 C. 6. The drum dryer according to claim 3, wherein the cooling water maintains a surface temperature of the hollow metal passage at no more than 5째 C. lower than an evaporation temperature of a liquid to be dried. 7. The drum dryer according to claim 3, wherein the cooling water maintains a surface temperature of the hollow metal passage at no more than 22째 C. higher than an evaporation temperature of a liquid to be dried. 8. The drum dryer according to claim 3, wherein the hollow metal passage has an axis parallel to the axis of rotation of the drums. 9. A double drum type drum dryer comprising: a liquid splash and scatter preventing equipment having a cooling function provided in a location above a portion of a liquid concentration section between drums, the liquid splash and scatter preventing equipment including a hollow metal passage for feeding of cooling water; and a cooling water feed system configured to supply cooling water to the hollow metal passage such that the cooling water maintains a surface temperature of the hollow metal passage at 13째 C. to 40째 C. 10. The drum dryer according to claim 9, wherein the cooling water maintains a surface temperature of the hollow metal passage at 18째 C. to 38째 C. 11. The drum dryer according to claim 9, wherein the cooling water maintains a surface temperature of the hollow metal passage at no more than 5째 C. lower than an evaporation temperature of a liquid to be dried. 12. The drum dryer according to claim 9, wherein the cooling water maintains a surface temperature of the hollow metal passage at no more than 22째 C. higher than an evaporation temperature of a liquid to be dried. 13. The drum dryer according to claim 9, wherein the hollow metal passage has an axis parallel to the axis of rotation of the drums. 14. A double drum type drum dryer comprising: a liquid splash and scatter preventing equipment having a cooling function provided in a location above a portion of a liquid concentration section between drums, the liquid splash and scatter preventing equipment including a hollow metal passage for feeding of cooling water; and a cooling water feed system configured to supply cooling water to the hollow metal passage such that the cooling water maintains a surface temperature of the hollow metal passage at no more than 5째 C. lower than an evaporation temperature of a liquid to be dried. 15. The drum dryer according to claim 14 ,wherein the cooling water maintains a surface temperature of the hollow metal passage at 18째 C. to 38째 C. 16. The drum dryer according to claim 15, wherein the cooling water maintains a surface temperature of the hollow metal passage at no more than 22째 C. higher than an evaporation temperature of a liquid to be dried. 17. The drum dryer according to claim 14, wherein the hollow metal passage has an axis parallel to the axis of rotation of the drums.