| 摘要 |
According to an embodiment of the present invention, a pin mill grinds liquid such as a paint or the like into fine particles in a main body and circulates a seal solution, which functions as a lubricant oil in the main body. The pin mill includes: a first casing which is arranged in the main body and includes a seal solution insertion unit to allow the seal solution to be inserted from the outside and a seal solution discharge unit to circulate the inserted seal solution in the main body; a second casing which is arranged in the first casing, penetrates the first casing and is installed in the first casing to allow cooling water for cooling the seal solution to be inserted inside; a seal solution circulation pipe which penetrates the first casing and is installed in the first casing to allow the seal solution, circulated from the main body, to be inserted in the first casing, and penetrates the second casing from the inside of the first casing; and a cooling water discharge pipe which penetrates the first casing and is installed on the first casing to discharge the cooling water and is arranged in the second casing in a lengthwise direction of the second casing. |
