Ice-making evaporator

Abstract

An ice-making evaporator is provided. The ice-making evaporator according to an exemplary embodiment of the present invention may include a first evaporator body that extends from one side to the other side; a first body space partition wall that divides the inside of the first evaporator body into a first body space and a second body space; a refrigerant inlet that is provided in the first evaporator body; a refrigerant outlet that is provided in the first evaporator body; a first protrusion member that is formed to extend in one direction from the first evaporator body; and a first protrusion space partition wall that divides the inside of the first protrusion member.

What is claimed is: 
     
         1 . An ice-making evaporator, comprising:
 a first evaporator body that extends from one side to the other side;   a first body space partition wall that divides the inside of the first evaporator body into a first body space and a second body space formed parallel to the extension direction of the first evaporator body;   a refrigerant inlet provided at one end of the first evaporator body to inject refrigerant into the first body space;   a refrigerant outlet provided at one end of the first evaporator body to discharge the refrigerant discharged from the second body space to the outside;   a plurality of first protrusion members that is formed to extend to one side from the first evaporator body;   a first protrusion space partition wall that divides the inside of the first protrusion member into a first protrusion space and a second protrusion space;   a first refrigerant flow path formed to allow the refrigerant to move from one end to the other end through the first body space and pass through the first protrusion space of the plurality of first protrusion members; and   a second refrigerant flow path formed to have the other end connected to the other end of the first refrigerant flow path and to allow the refrigerant to move from the other end to one end thereof through the second body space and pass through the second protrusion space of the plurality of first protrusion members.   
     
     
         2 . The ice-making evaporator of  claim 1 ,
 wherein the first refrigerant flow path and the second refrigerant flow path are formed side by side in a lateral direction, and   the first protrusion members are arranged in a row at predetermined intervals in the longitudinal direction of the first evaporator body.   
     
     
         3 . The ice-making evaporator of  claim 1 , wherein the ratio of the length of the width to the height of the first body space and the second body space is 3:1 to 1.5. 
     
     
         4 . The ice-making evaporator of  claim 1 , wherein the ratio of the distance between the first protrusion member adjacent to the other end surface of the first evaporator body and said other end surface and the length of the width of the first protrusion member is 1:0.9 to 1.1. 
     
     
         5 . The ice-making evaporator of  claim 1 , wherein the first protrusion member has a circular cross-section perpendicular to the longitudinal direction and one end formed in a hemispherical shape convex outward. 
     
     
         6 . The ice-making evaporator of  claim 1 , wherein the refrigerant inlet injects the refrigerant in the longitudinal direction of the first body space, and protrudes toward the first protrusion space of the first protrusion member adjacent to one end of the first evaporator body. 
     
     
         7 . The ice-making evaporator of  claim 1 , further comprising:
 a heat gas inlet that is formed on one side of the refrigerant inlet and injects heat gas into the first body space in the longitudinal direction of the first body space; and   a heat gas guide wall formed at one end of the first body space to guide the heat gas injected through the heat gas inlet toward the first protrusion space.   
     
     
         8 . The ice-making evaporator of  claim 1 ,
 wherein the first protrusion space is divided into a first inflow space and a first outflow space formed in the longitudinal direction of the first protrusion member, and one ends of the first inflow space and the first outflow space are connected to allow fluid communication,   the first refrigerant flow path sequentially passes through the first inflow space and the first outflow space,   the second protrusion space is divided into a second inflow space and a second outflow space formed in the longitudinal direction of the first protrusion member, and one ends of the second inflow space and the second outflow space are connected to allow fluid communication, and   the second refrigerant flow path sequentially passes through the second inflow space and the second outflow space.   
     
     
         9 . The ice-making evaporator of  claim 8 , wherein cross-sections perpendicular to the longitudinal direction of the first body space, the second body space, the first inflow space, the first outflow space, the second inflow space, and the second outflow space are formed to have the same area. 
     
     
         10 . The ice-making evaporator of  claim 8 ,
 wherein the first protrusion space has a first partition wall that divides the first inflow space and the first outflow space so that cross-sections perpendicular to the longitudinal direction of the first inflow space and the first outflow space are the same,   a first through hole is formed at one end of the first partition wall having an area equal to the area of a cross-section perpendicular to the longitudinal direction of the first inflow space and the first outflow space,   the second protrusion space has a second partition wall that divides the second inflow space and the second outflow space so that cross-sections perpendicular to the longitudinal direction of the second inflow space and the second outflow space are the same, and   a second through hole is formed at one end of the second partition wall having an area equal to the area of a cross-section perpendicular to the longitudinal direction of the second inflow space and the second outflow space.   
     
     
         11 . The ice-making evaporator of  claim 10 , wherein the first through hole and the second through hole are formed adjacent to one inner end surface of the first protrusion member. 
     
     
         12 . The ice-making evaporator of  claim 8 , wherein a first refrigerant circulation hole is formed at the other end of the first body space partition wall to connect the other end of the first refrigerant flow path and the second refrigerant flow path. 
     
     
         13 . The ice-making evaporator of  claim 12 , wherein the first refrigerant circulation hole extends from the inner lower surface to the upper surface of the first evaporator body. 
     
     
         14 . The ice-making evaporator of  claim 12 , wherein the ratio between the area of the first refrigerant circulation hole and the area of the cross-section perpendicular to the longitudinal direction of the first outflow space is 1.5 to 2:1. 
     
     
         15 . The ice-making evaporator of  claim 10 , further comprising:
 a first insulating wall that divides the first evaporator body up and down so that an insulating space is formed in an upper inner portion of the first evaporator body;   a first guide wall that extends upward from an upper end of the first partition wall to allow the refrigerant to move from the first body space to the first inflow space; and   a second guide wall that extends upward from an upper end of the second partition wall to allow the refrigerant to move from the second inflow space to the second body space,   wherein the first insulating wall extends to the first guide wall and the second guide wall of the first protrusion member adjacent to the rear end surface of the first evaporator body.   
     
     
         16 . The ice-making evaporator of  claim 1 ,
 wherein a discharge space is formed inside one end of the first evaporator body to enable fluid communication with the second body space, and   the refrigerant outlet is formed through the first evaporator body in the extension direction of the first protrusion member so that the discharge space can communicate fluidly with the outside.   
     
     
         17 . The ice-making evaporator of  claim 1 , further comprising:
 a second evaporator body that extends from one side to the other side;   a second body space partition wall that divides the inside of the second evaporator body into a third body space and a fourth body space formed parallel to the extension direction of the second evaporator body;   a plurality of second protrusion members that is formed to extend to one side from the second evaporator body;   a second protrusion space partition wall that divides the inside of the second protrusion member into a third protrusion space and a fourth protrusion space;   a third refrigerant flow path formed to allow the refrigerant to move from the other end to one end through the third body space and pass through the third protrusion space of the plurality of second protrusion members; and   a fourth refrigerant flow path formed to have one end connected to one end of the third refrigerant flow path and to allow the refrigerant to move from one end to the other end thereof through the fourth body space and pass through the fourth protrusion space of the plurality of second protrusion members,   wherein the other end of the third refrigerant flow path is connected to the other end of the first refrigerant flow path, and the other end of the fourth refrigerant flow path is connected to the other end of the second refrigerant flow path, so that the other end of the first refrigerant flow path is connected to the other end of the second refrigerant flow path.   
     
     
         18 . The ice-making evaporator of  claim 17 , further comprising:
 a hollow connection member extending from the other end of the first evaporator body to the other end of the second evaporator body; and   a connection member partition wall that divides the inside of the connection member into a first connection space and a second connection space formed in the extension direction of the connection member,   wherein the other end of the third refrigerant flow path is connected to the other end of the first refrigerant flow path through the first connection space,   the other end of the fourth refrigerant flow path is connected to the other end of the second refrigerant flow path through the second connection space,   one end of the connection member partition wall is coupled to the other end of the first body space partition wall, and   the other end of the connection member partition wall is coupled to the other end of the second body space partition wall.   
     
     
         19 . The ice-making evaporator of  claim 18 ,
 wherein the first body space, the first connection space, and the third body space have the same cross-sectional area, and   the second body space, the second connection space, and the fourth body space have the same cross-sectional area.   
     
     
         20 . The ice-making evaporator of  claim 17 , further comprising:
 a first connection member that extends from one side of the other end of the first evaporator body to one side of the other end of the second evaporator body and has a first connection space formed therein; and   a second connection member that extends from the other side of the other end of the first evaporator body to the other side of the other end of the second evaporator body and has a second connection space formed therein,   wherein the other end of the third refrigerant flow path is connected to the other end of the first refrigerant flow path through the first connection space, and   the other end of the fourth refrigerant flow path is connected to the other end of the second refrigerant flow path through the second connection space.