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INVENTION
Russian Federation Patent RU2060928
METHOD FOR PRODUCING HYDROGEN AND DEVICE FOR ITS IMPLEMENTATION
Name of the inventor: Konstantinovsky VA .; Kirillov VI .; Vanin YP .; Trusov AS
The name of the patentee: Konstantinovsky Vyacheslav
Address for correspondence:
Starting date of the patent: 1993.02.24
The invention relates to an autonomous production of hydrogen gas for thermal processing of metals.
The purpose of the invention - the creation of a stand-alone hydrogen generators environmentally friendly method for cutting, welding metals, and welding metal and polymer powders. The inventive method is characterized in that as the reactants used Magnik and 3% aqueous sodium chloride solution, followed by purification of hydrogen from water vapor. The apparatus is characterized in that it has a tapered portion in the reactor core for stabilization and regulation of flow characteristics, a gas outlet at the top gas collection chamber for reducing the "casting" of fluid and intense heat from the reactor core to implement "nekipyaschego" reaction mode.
DESCRIPTION OF THE INVENTION
The invention relates to a hydrogen power, in particular to the processing metals gas-thermal method. In practice, as a gaseous fuel mainly liquid hydrocarbons are used. The use of alternative non-polluting hydrogen fuel constrained by the high cost of traditional methods of its receipt.
A method of producing hydrogen by electrolysis of solutions of electrolytes by passing an electric current through electrodes of aluminum or its alloys [1]
The disadvantages of this method are the use of expensive scarce electrodes, the complexity of the technological scheme, and low productivity and 1500-3600 ml / h.
The closest to the proposed method is to obtain hydrogen by the reaction of zinc, aluminum with hydrochloric, sulfuric, phosphoric, acetic acid or caustic alkali, wherein the process is conducted in the presence of cation exchanger in the H form or the anion exchanger in the OH-form [2]
The disadvantages of this method are the inevitable accumulation of salts, pollution volatile compounds that cause the need for utilizing devices.
A device selected as a prototype for producing hydrogen, comprising two coaxially arranged isolated from the external environment of the vessel with the lid, a safety valve and fitting process [3]
The operating principle of the device is as follows.
The inner container (reactor) is filled with a solid phase chopped pieces of aluminum, the outer vessel is filled to a certain level of the liquid phase of 0.5% aqueous potassium hydroxide solution with addition of 2.5% sodium chloride and 0.05% potassium permanganate as catalyst. The reaction of hydrogen is released reagents. With the accumulation of hydrogen pressure build-up in the generator fluid displaced from the reactor and the reaction is slowed down.
The main disadvantages are the complexity of the device construction having two cavities for collecting hydrogen, the embedded spring valve; inability to obtain stable discharge characteristics; slight cooling of the reactor; inability to complete stop the reaction.
The aim of the invention is to provide a hydrogen generator for thermal processing of metals, namely, cutting, welding, welding metal and polymer powders.
This object is achieved in that a substances derived vodorodoobrazuyuschih system "Magnik" (magnesium-based alloy with the addition of nickel) and 3% aqueous solution of salt water or the Black Sea, the compound which occurs with evolution of heat and hydrogen. Stable flow characteristics are achieved by the presence in the reaction zone (Magnik wetting zone), two reverse conical surfaces due to intensive external cooling of the reactor, and hydrogen and selection at the top of the cavity, which reduces the likelihood of liquid into the gas outlet pipe.
BRIEF DESCRIPTION device concept shown in FIG.
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The hydrogen generator includes a case 1 which is welded into a reactor consisting of a hydrogen of the cylinder 2 and cone 3, and 4 and a removable container for Magnik as an inverse cone with slits of 5 mm of wetting Magnik balls 5 (
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The volume filling allows the basket to fill Magnik 1.5 kg, which in turn defines a continuous operation for 2 hrs at a hydrogen flow rate of 600 l / hr, 3% aqueous solution of sodium chloride is poured to the upper level Magnik (complete wetting) . The liquid volume of 45 liters. Magnik ratio of bulk volume and the volume of liquid poured 1:30 selected from studies of implementation considerations mode the reactor temperature not higher than 40 ° C, which provides a "quiet" mode controlled release of hydrogen with a low content of water vapor in the cooling chamber 2. Extra a gas outlet tube 10 cooler outer layers with respect to the reactor allowing liquid vapor to condense on the inner surface of the tube and to drain the condensate water in the gate cavity. Further purification of vapor occurs as a result of bubbling in the water gate.
Compliance with safety regulations, expressed in the pre-ignition purge hydrogen to the entire system, the presence of the water gate and check valves in the burner, and a pressure reducing valve ensures trouble-free outdoor operation.
Technical data: Operating pressure, MPa 10 (1 atm) of hydrogen consumption, l / h 600 Continuous operation time in the cutting mode, Part 2
Reagents: Magnik (TU 48-0501- 350-91), 1.5 kg of 3% aqueous sodium chloride rast-thief or the Black Sea water, 45 liters Dimensions 
400 x 950 Material H18N9
The invention can be widely used in almost all areas of the economy from the farm to the Navy. When establishing a service network operational costs drastically reduced due to the regeneration of the reaction products. Magnesia may be the raw material for Magnik. Energy costs to produce a ton of Magnik up 20 th. KW / h.
CLAIM
A method for producing hydrogen by reacting a metal reagent liquid solution, wherein as the metal reactant used Magnik magnesium-based alloy with the addition of nickel, and is used as a solution in 3% aqueous solution of sodium chloride, or sea water, and the resulting hydrogen is purified from water vapor by condensation and bubbling.
An apparatus for producing hydrogen, comprising a sealed housing, coaxially mounted and communicates with it through the lower opening reactor which houses a container with perforated surface of the metallic reactant, the lid, the safety valve and the inlet for removal of hydrogen, characterized in that the reactor is designed as a cylinder having a conical bottom part in which is placed a metal reagent container, made in the form of an inverted cone.
print version
Publication date 03.12.2006gg
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