Electrolysis device

Abstract

An electrolysis device ( 7 ) includes a water circuit ( 6 ), in which an electrolyzer ( 5 ), a collection container ( 1 ) and at least one pump ( 2 ) are arranged. The water is pumped by way of the at least one pump ( 2 ) out of the collection container ( 1 ) to the electrolyzer ( 5 ). The water circuit ( 6 ) is branched into at least one first branch ( 8 ) and into a second branch ( 9 ) which is parallel to the first branch ( 8 ). The electrolyzer ( 5 ) is arranged in the first branch ( 8 ) and a heat exchanger ( 3 ), for cooling the water, is arranged in the second branch ( 9 ).

1 . An electrolysis device comprising:
 a water circuit;   an electrolyzer connected to the water circuit;   a collection container connected to the water circuit;   a heat exchanger connected to the water circuit; and   at least one pump connected to the water circuit, wherein water is pumped by way of the at least one pump out of the collection container to the electrolyzer wherein the water circuit is branched into at least one first branch and into a second branch which is parallel to the first branch, wherein the electrolyzer is arranged in the first branch and wherein the heat exchanger for cooling the water is arranged in the second branch.   
     
     
         2 . An electrolysis device according to  claim 1 , wherein the water circuit branches downstream of the at least one pump, into the at least one first branch and the second branch. 
     
     
         3 . An electrolysis device according to  claim 1 , wherein the first branch comprises a first branch return which runs out into the collection container. 
     
     
         4 . An electrolysis device according to  claim 1 , wherein the second branch comprises a second branch return which runs out into the collection container. 
     
     
         5 . An electrolysis device according to  claim 1 , wherein the collection container is designed for gas-water separation. 
     
     
         6 . An electrolysis device according to  claim 1 , wherein the electrolyzer is a proton-exchange-membrane electrolyzer. 
     
     
         7 . An electrolysis device according to  claim 1 , wherein the water of the water circuit in the second branch is pumped by way of the pump out of the collection container to the heat exchanger. 
     
     
         8 . An electrolysis device according to  claim 1 , further comprising a filter is arranged in the water circuit, in the first branch upstream of the electrolyzer. 
     
     
         9 . An electrolysis device according to  claim 1 , further comprising a further pump, wherein:
 water of the water circuit in the second branch is pumped by way of the further pump out of the collection container to the heat exchanger; and   water of the water circuit in the first branch is pumped by way of the pump out of the collection container to the electrolyzer.   
     
     
         10 . An electrolysis device according to  claim 2 , wherein:
 the first branch comprises a first branch return which runs out into the collection container; and   the second branch comprises a second branch return which runs out into the collection container.   
     
     
         11 . An electrolysis device comprising:
 a collection container;   an electrolyzer;   a collection container;   a heat exchanger for cooling water;   a pumping means for pumping fluid; and   fluid paths cooperating with the collection container, the electrolyzer, the collection container, the heat exchanger and the pumping means to form a water circuit comprising a first branch and a second branch which is parallel to the first branch, wherein:   the pumping means pumps water out of the collection container to the electrolyzer and to the heat exchanger;   the electrolyzer is arranged in the first branch;   the heat exchanger is arranged in the second branch.   
     
     
         12 . An electrolysis device according to  claim 11 , wherein:
 the pumping means comprises a pump; and   the water circuit branches downstream of the pump, into the first branch and the second branch.   
     
     
         13 . An electrolysis device according to  claim 11 , wherein the fluid paths include a first path return feeding fluid into the collection container, the first path return being a part of the first branch. 
     
     
         14 . An electrolysis device according to  claim 11 , wherein the fluid paths include a second path return feeding fluid into the collection container, the second path return being a part of the second branch. 
     
     
         15 . An electrolysis device according to  claim 11 , wherein the collection container comprises a gas-water separation device. 
     
     
         16 . An electrolysis device according to  claim 11 , wherein the electrolyzer is a proton-exchange-membrane electrolyzer. 
     
     
         17 . An electrolysis device according to  claim 11 , further comprising a filter arranged in the water circuit. 
     
     
         18 . An electrolysis device according to  claim 17 , wherein the filter is arranged in the first branch upstream of the electrolyzer. 
     
     
         19 . An electrolysis device according to  claim 11 , wherein the pumping means comprises:
 a first branch pump arranged in the first branch of the water circuit for pumping water out of the collection container to the electrolyzer; and   a second branch pump arranged in the second branch of the water circuit for pumping water out of the collection container to the to the heat exchanger.   
     
     
         20 . An electrolysis device according to  claim 12 , wherein the fluid paths comprise:
 a first branch return feeding fluid into the collection container; and   a second branch return feeding fluid into the collection container.