Comprehensive utilization device and method for producing hydrogen and oxygen by electrolyzing water
A technology for electrolyzing water and hydrogen, which is applied in the fields of energy storage, carbon neutral electronics, electric energy, and hydrogen energy. It can solve the problems of low purity of electronic hydrogen and single products, and achieve the effect of reducing carbon emissions and good economic benefits
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Embodiment 1
[0056] Such as figure 1 As shown, the present invention provides a device for comprehensive utilization of hydrogen and oxygen by electrolysis of water, including a power generation unit 1, an electrolysis water unit 2, a hydrogen purification unit 3, an oxygen purification unit 4, a hydrogen liquefaction cold box 5, and an oxygen and nitrogen liquefaction cold box 6 and an air separation unit 7 for separating air into nitrogen and oxygen; wherein,
[0057] The electric energy output end of described generating unit 1 is connected with the electric energy input end of electrolyzed water unit 2 and air separation unit 7 respectively;
[0058] The hydrogen outlet end of the electrolyzed water unit 2 is connected to the hydrogen purification unit 3;
[0059] The purified hydrogen outlet end of the hydrogen purification unit 3 is respectively connected with a purified hydrogen pipeline 9 and a purified hydrogen pipeline 2 10, and the purified hydrogen pipeline 9 and the purified...
Embodiment 2
[0082] A method for the comprehensive utilization of hydrogen and oxygen by electrolysis of water provided by the present invention uses the device in the above-mentioned embodiment 1 to carry out the comprehensive utilization of hydrogen and oxygen by electrolysis of water unit, including the following steps:
[0083] S1, the power generation unit 1 provides electric energy for the electrolyzed water unit 2 and the air separation unit 7;
[0084] S2. Water enters the electrolysis water unit 2, and electrolysis produces hydrogen containing a small amount of water and oxygen and oxygen containing a small amount of water and hydrogen. The operating pressure of the electrolysis water unit 2 is 0.15MPa-8.0MPa; the hydrogen containing a small amount of water and oxygen is from The hydrogen outlet port of the electrolyzed water unit 2 enters the hydrogen purification unit 3 for deoxygenation, dehydration, and pressurization to above 35MPa to produce fuel hydrogen for fuel cells or en...
Embodiment 3
[0093] Such as figure 2As shown, the present invention provides a device for comprehensive utilization of hydrogen and oxygen by electrolysis of water, including a power generation unit 1, an electrolysis water unit 2, a hydrogen purification unit 3, an oxygen purification unit 4, a hydrogen liquefaction cold box 5, and an oxygen and nitrogen liquefaction cold box 6 and an air separation unit 7 for separating air into nitrogen and oxygen; wherein,
[0094] The electric energy output end of described generating unit 1 is connected with the electric energy input end of electrolyzed water unit 2 and air separation unit 7 respectively;
[0095] The hydrogen outlet end of the electrolyzed water unit 2 is connected to the hydrogen purification unit 3;
[0096] The purified hydrogen outlet end of the hydrogen purification unit 3 is respectively connected with a purified hydrogen pipeline 9 and a purified hydrogen pipeline 2 10, and the purified hydrogen pipeline 9 and the purified ...
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