Compressor Installation With a Water-Injected Compressor Element

Abstract

Compressor installation with a water-injected compressor element to which an inlet line ( 4 ) and an outlet line ( 5 ) are connected, an air inlet filter ( 13 ) to which said inlet line ( 4 ) is connected, a water separator ( 6 ) into which said outlet line ( 5 ) feeds and a return line ( 7 ) between this water separator ( 6 ) and the compressor element ( 2 ), characterised in that said air inlet filter ( 13 ) takes the form of a wet filter to which a water supply is connected.

1 - 22 . (canceled) 
   
   
       23 . Compressor installation comprising a water-injected compressor element to which an inlet line and an outlet line are connected, an air inlet filter to which said inlet line is connected, a water separator into which said outlet line feeds and a return line between the water separator and the compressor element; said air inlet filter comprising a housing with an air inlet and an air outlet to which said inlet line is connected, and a substrate in the housing through which the intake air is passed; wherein said air inlet filter comprises a wet filter to which a water supply is connected; said substrate comprising a material with an open cellular structure; and said water supply comprising at least one of: a line which is connected to said water separator and a supply device for extra water. 
   
   
       24 . Compressor installation according to  claim 23 , wherein said substrate is made of polyurethane foam or polyethylene. 
   
   
       25 . Compressor installation according to  claim 23 , wherein said substrate comprises a material that is doped with one or more bacteriostatic agents. 
   
   
       26 . Compressor installation according to  claim 25 , wherein said one or more bacteriostatic agents comprises nano-silver. 
   
   
       27 . Compressor installation according to  claim 23 , wherein said air inlet filter is provided with an element for stopping water drops in the gas flow, to thereby prevent water drops from being brought in with the intake air. 
   
   
       28 . Compressor installation according to  claim 27 , wherein said element comprises a material with an open cellular structure. 
   
   
       29 . Compressor installation according to  claim 27 , wherein said element comprises polyurethane foam or polyethylene. 
   
   
       30 . Compressor installation according to  claim 27 , wherein said element comprises a material that is doped with one or more bacteriostatic agents. 
   
   
       31 . Compressor installation according to  claim 30 , wherein said one or more bacteriostatic agents comprises nano-silver. 
   
   
       32 . Compressor installation according to  claim 23 , wherein said air inlet filter is provided with a water drainage line for contaminated water. 
   
   
       33 . Compressor installation according to  claim 23 , wherein said water supply comprises a line which is connected to said water separator. 
   
   
       34 . Compressor installation according to  claim 33 , wherein, in said line between the water separator and the air inlet filter, a controlled valve is provided. 
   
   
       35 . Compressor installation according to  claim 23 , wherein said water supply comprises a supply device for extra water. 
   
   
       36 . Compressor installation according to  claim 35 , wherein said supply device for extra water is provided with a controlled valve and a water filter. 
   
   
       37 . Compressor installation according to  claim 36 , wherein said water filter of the supply device for extra water comprises an absolute water filter. 
   
   
       38 . Compressor installation according to  claim 36 , wherein said supply device for extra water is additionally provided with a water conditioner arranged to prevent calcification. 
   
   
       39 . Compressor installation according to  claim 38 , wherein said water conditioner is provided with two permanent magnets. 
   
   
       40 . Compressor installation according to  claim 39 , wherein said permanent magnets are arranged at an angle of 90° with their south poles pointing towards the spray nozzle of a sprinkler with which said supply device for extra water is connected to said air inlet filter. 
   
   
       41 . Compressor installation according to  claim 40 , wherein said sprinkler is made of non-ferrous metal. 
   
   
       42 . Compressor installation according to  claim 40 , wherein said sprinkler comprises a flat jet sprinkler with a slot-shaped opening. 
   
   
       43 . Compressor installation according to  claim 34 , including a level regulator which is connected firstly with a minimum and maximum level sensor in the water separator, and secondly with said controlled valves. 
   
   
       44 . Compressor installation according to  claim 23 , without an inlet valve arranged to absorb water hammer when the compressor is stopped.