Modular treatment plant having horizontal drum machines

Abstract

A machine for treating bulk material of industrial volume parts, having a treatment drum which is arranged with a horizontal axis and can be driven in both directions of rotation around the axis, the treatment drum has an open co-axial inlet aperture and an open co-axial discharge aperture, the treatment drum comprises a set of worm-like inner blades which extend at least as far as the discharge aperture and which, in the first direction of rotation of the treatment drum, reposition the bulk material in the drum and, in the second direction of rotation of the treatment drum, convey the bulk material through the discharge aperture.

1 . A machine for treating bulk material of industrial volume parts comprising: 
 a treatment drum which is arranged with a substantially horizontal axis and adapted to be driven in both directions of rotation around said axis, the treatment drum comprising a permanently open co-axial inlet aperture, a permanently open co-axial discharge aperture, and a set of worm-like inner blades which extend at least as far as the discharge aperture and which, in the first direction of rotation of the treatment drum, reposition the bulk material in the drum and, in the second direction of rotation of the treatment drum, convey the bulk material through the discharge aperture, wherein the treatment drum widens from a filling end towards an intermediate plane, and is cylindrical from said intermediate plane to a discharge end.    
   
   
       2 . A machine according to  claim 1  wherein the set of inner blades extends approximately from the intermediate plane to the discharge aperture.  
   
   
       3 . A machine according to  claim 1  wherein the set of inner blades extends approximately from a plane defined by the inlet aperture to the discharge aperture.  
   
   
       4 . A machine according to  claim 1  wherein the drum comprises at least two rotationally symmetrical plate metal parts.  
   
   
       5 . A machine according to  claim 1  wherein the drum comprises an open-worked casing and is arranged in a chamber which can be flooded with a liquid.  
   
   
       6 . A machine according to  claim 1  wherein, on its greatest casing diameter, the drum comprises apertures and a mechanism for supplying liquid into an interior of the drum.  
   
   
       7 . A machine according to  claim 1  wherein the discharge aperture is followed by a discharge sleeve.  
   
   
       8 . A machine according to  claim 1  wherein the inlet aperture is greater than an outer diameter of a discharge sleeve.  
   
   
       9 . A machine according to  claim 1  wherein the drum is arranged in a chamber and the chamber is at least one of: a collecting chamber for cooling or cutting oil, or cooling or cutting emulsion, or a drying chamber which can be charged with a flow of hot air.  
   
   
       10 . A machine for treating bulk material of industrial volume parts comprising: 
 a chamber in which there is arranged a treatment drum with a horizontal axis, the treatment drum comprising a permanently open co-axial inlet aperture, a permanently open co-axial discharge sleeve, and a set of worm-like inner blades which start at a distance from the inlet aperture and extend at least as far as the discharge sleeve, wherein the treatment drum widens conically from a filling end towards an intermediate plane, and is cylindrical from said intermediate plane to a discharge end, and wherein the treatment drum can be driven in both directions of rotation around the horizontal axis    
   
   
       11 . A treatment plant for treating bulk material of industrial volume parts in liquids comprising: 
 at least two machines each having a treatment drum which is arranged with a substantially horizontal axis, the treatment drums each comprising a permanently open co-axial inlet aperture, a permanently open co-axial discharge aperture, and a set of worm-like inner blades which extend at least as far as the discharge aperture and which, in the first direction of rotation of the treatment drum, reposition the bulk material in the drum and, in the second direction of rotation of the treatment drum, convey the bulk material through the discharge aperture;    wherein the machines are arranged with aligned treatment drums in the same sense with reference to the inlet aperture and the discharge aperture, and wherein the discharge aperture of the treatment drum of a leading machine charges the inlet aperture of the treatment drum of a subsequent machine, and wherein the treatment drums of the at least two machines can be driven independently of one another around their respective axis in both directions of rotation, and wherein the treatment drums each widen from a filling end towards an intermediate plane and are cylindrical from said intermediate plane to a discharge end.    
   
   
       12 . A treatment plant for treating bulk material of industrial volume parts in liquids comprising: 
 at least two machines each having a chamber in which there is arranged a treatment drum whose axis descends from an inlet end to a discharge end, the treatment drums each comprising a permanently open co-axial inlet aperture, a permanently open co-axial discharge aperture, and a set of worm-like inner blades which begin approximately at the inlet aperture and which extend at least as far as the discharge aperture and which, in the first direction of rotation of the treatment drum, reposition the bulk material in the drum and, in the second direction of rotation of the treatment drum, convey the bulk material through the discharge aperture, and wherein each of the treatment drums are at least partly cylindrical; and    wherein the machines are arranged with co-axially aligned treatment drums in the same sense with reference to the inlet aperture and the discharge aperture, and wherein the discharge aperture of the treatment drum of a leading machine charges the inlet aperture of the treatment drum of a subsequent machine, and wherein the treatment drums of the at least two machines can be driven independently of one another in both directions of rotation around the descending axis.    
   
   
       13 . A plant according to  claim 11  wherein the set of inner blades begins approximately at the intermediate plane.  
   
   
       14 . A plant according to  claim 11  wherein the set of inner blades begins approximately at a plane defined by the inlet aperture.  
   
   
       15 . A plant according to  claim 11  wherein outwardly pointing discharge sleeves are connected to the discharge apertures and respective inlet apertures are greater in diameter than respective outer diameters of the discharge sleeves.  
   
   
       16 . A plant according to  claim 12  wherein the chamber of the first machine is a collecting chamber for cooling or cutting oil, or cooling or cutting emulsion.  
   
   
       17 . A plant according to  claim 12  wherein the chamber of the last machine is a drying chamber which can be charged with a flow of hot air.  
   
   
       18 . A treatment plant for treating bulk material of industrial volume parts in liquids comprising: 
 at least two machines each having a chamber in which there is arranged a treatment drum with a horizontal axis, the treatment drums each comprising a permanently open co-axial inlet aperture, a permanently open co-axial discharge sleeve, and a set of worm-like inner blades which begin at a distance from the inlet aperture and extend at least as far as the discharge sleeve, wherein each of the treatment drums widen conically from an inlet end to an intermediate plane and are cylindrical from said intermediate plane to a discharge end, and the respective inlet apertures are greater in diameter than respective outer diameters of the discharge sleeves; and    wherein the machines are arranged with co-axially aligned treatment drums in the same sense with reference to the inlet aperture and the discharge sleeve, and wherein the discharge sleeve of a treatment drum of a leading machine extends through the inlet aperture into the treatment drum of a subsequent machine, and wherein the treatment drums of the at least two machines can be driven independently of one another in both directions of rotation around their respective horizontal axis.    
   
   
       19 . A plant according to  claim 18  wherein the respective inlet apertures are greater in diameter than respective outer diameters of the discharge sleeves.  
   
   
       20 . A plant according to  claim 18  wherein the chamber of the first machine is a collecting chamber for cooling or cutting oil, or cooling or cutting emulsion.  
   
   
       21 . A plant according to  claim 18  wherein the chamber of the last machine is a drying chamber which can be charged with a flow of hot air.