NOVELTY - Purifying high-purity hydrogen involves after rough purification, passing hydrogen into the absorber at room temperature, followed by stratified filling of molecular sieve, activated carbon, oxygen catalyst; absorbing hydrogen at room temperature; recovering low-temperature high-purity hydrogen into the high-purity hydrogen storage tank; and performing adsorption bed regeneration, where the adsorption bed saturated by setting room temperature adsorption and low temperature adsorption inlet pipeline offshoot to atmosphere.    USE - For purifying high-purity hydrogen (claimed) used in chemical engineering, petrochemical industry, petroleum, power, electron, metallurgy, food, machine, aviation, nuclear industry; in electronic industry, as gas mix of SiH4, phosphine PH3, borane IH6 and other gases; in non-ferrous metallurgy, hydrogen is mainly used as the reducing agent for reducing the metal oxide for the preparation of pure metal such as tungsten, titanium, cobalt, molybdenum, chromium; as protective gas in the high temperature heating process of some metal in the cold rolling steel plate and silicon steel sheet production; as energy in the mixing gas of hydrogen and silane for depositing transparent conductive film for large area, high quality, uniform light sensitive material, for producing amorphous silicon solar battery, the high capacity solar power station, driving battery, civil heating gas.    ADVANTAGE - The method has hydrogen purity of 99.99999%, provides high product yield, operation is flexible and reliability is high.    DETAILED DESCRIPTION - A high-purity hydrogen purifying technology, involves: 1) absorbing: the coarse purification, purity reaches more than 99%, the pressure is 10-20 MPa of hydrogen into normal temperature absorber, by layered filled in the 13X molecular sieve, 5A molecular sieve, active carbon, oxygen catalyst at normal temperature after absorbing the hydrogen at low temperature and low temperature heat exchanger and the absorber outlet of hydrogen, and lower temperature of the highly-pure hydrogen after liquid nitrogen cooler, further cooling to -100 degrees C to -150 degrees C, and then enters the low temperature absorber, the low temperature absorber hydrogen through low temperature absorber layer filled in the 13X molecular sieve, 5A molecular sieve and active carbon, the absorbed, in order to get high purity hydrogen, high purity hydrogen from low temperature, entering the low temperature absorber of hydrogen, by recycling the high purity hydrogen temperature reaches the normal temperature, the high purity hydrogen tank; 2) bed layer regeneration bed layer is saturated, the absorber at normal temperature and low temperature absorber inlet pipeline branch of the atmosphere or low pressure hydrogen system of the absorption system for vent gas, the pressure of the system to normal pressure, starting the heat medium pump, normal temperature absorber with low temperature absorber outer wall of the jacket is filled heat medium, and establishing circulation, normal temperature heat medium to low temperature absorber and continuously passes through cooling/from air or water in the heat, the low temperature absorber from low temperature to the normal temperature, the heat medium to circulate, starting at normal temperature at low temperature absorber and absorber bottom of the heater, the heat medium heating to normal temperature absorber and a low temperature absorber to absorb the bed layer temperature to 150 degrees C, the high purity hydrogen tank adopts the high purity hydrogen through the regenerated gas heater, heat up to 150-300 degrees C, and entering normal temperature absorber and a low temperature absorber, adsorbent bed layer after emptying valve emptying, the regenerated from the impurity away, the adsorbent bed layer regeneration after the hot medium pump, the heat medium in jacket and cooling/heating circulation flow between the absorbing bed of the heat with gradually, the absorption bed layer temperature is reduced to normal temperature, closing the regenerated gas emptying valve, high purity hydrogen from the regenerated gas to absorb the pressure of the system and to the absorbing operation pressure is 10-20 MPa, entering the next step absorption operation, where the normal pressure is 1 atmospheric pressure and normal temperature is 20-25 V, where the high temperature absorber and lower temperature of nitrogen making machine absorber in the pressure not greater than 25 MPa, the inner pressure is not higher than MPa and the 5A molecular sieve is chemical formula is 3/4Ca0-1/4 Na2O; Al2O3; 2SiO2-9/2 H2O, silicon aluminum ratio (SiO2/ Al2O3) is not less than 2 effective pore 5X molecular sieve, where the 13 molecular sieve is that chemical formula NA2O-Al2O3-(2.8+0.2) SiO2-(6-7) H2O, silicon aluminum ratio (SiO2Al2O3) is not less than 2.6-3.0 effective pore 10X. An INDEPENDENT CLAIM is included for a high purity hydrogen purifying device, comprising at least one in parallel and share one high pure hydrogen tank to absorb sub-system, under the heat preservation heat insulation material except the device and pipeline are high pure hydrogen storage tank, where the sub-system, raw material gas tank through the valve is connected with a jacket inlet guide vane of the normal temperature absorber, outlet of the adsorber through valve is connected with low temperature recycle heat exchanger, the inlet of the liquid nitrogen cooler and jacket is low temperature absorber, the outlet of the low temperature absorber through low temperature recycle heat exchanger are connected to the high pure hydrogen tank, high pure hydrogen tank through the valve, a regenerating gas heater, valve, are respectively connected with normal-temperature adsorber and low temperature absorber is set on the inlet pipeline of normal temperature absorber and low temperature absorber is provided with a valve, and a current-limiting plate, the normal temperature absorber and low temperature absorber are respectively provided with a heater and a heater, a heater and a heater are respectively connected with the valves, connected in parallel with the heat medium pump, heat medium tank, valve, a cooling/heater and to form a circulation, the normal temperature absorber and low temperature absorber is respectively provided with a hot medium overflow port, the heat medium tank.