Method for use of earth mantle substance for producing hydrogen

FIELD: power engineering.

SUBSTANCE: method includes searching for continental or oceanic rift generation zones, supported by abnormal mantle with output of substance branches to earth crust. Drilling of wells by turbodrills into mantle substance. After well enters mantle substance a reaction hollow is formed in it by putting together force and product wells or by expanding force and/or product wells. Water is pumped into force well and gas-like hydrogen is outputted to surface through product well forming during reaction of inter-metallic substances fro mantle substance to water. Water is fed in amount, adjusting output of hydrogen, while reaction surface of reaction hollow is periodically regenerated, for example, by high pressure water flow, supplied through jets in reaction hollow, on remotely controlled manipulators. Expansion of well may be performed via explosions of explosive substances charges, and it is possible to separate forming gaseous hydrogen and water steam by separator mounted therein.

EFFECT: higher effectiveness of hydrogen production.

9 cl

 

The invention relates to the field of mining and can be used to obtain cheap and cost-effective energy sources, in particular hydrogen used as an energy source for energy and transport.

A method of producing hydrogen, consisting in the use of high-thermal deep water underwater volcanic activity for the production of electric power supplied to the electrolysis of water, which receive the hydrogen (see SU 1624162, IPC CL. 5 E 21 45/00, publ. 30.01.1991).

The disadvantages of this method include the complexity of its hardware design.

A known method of producing hydrogen, which consists in applying to the reactor powdered aluminum or aluminum hydride and the water environment and the subsequent implementation of their interaction, while before feeding into the reactor powdered aluminum or aluminum hydride cover their water-soluble polymer film on the basis of solution of polyethylene oxide in dioxane or methyl alcohol while to allow the flow of combustion process of the layer of metal-containing substances with hydrogen evolution process is carried out at a pressure of more 22,12 MPa and the temperature is above 647,3 To (see EN No. 2165388, IPC CL. 01 In 3/06).

The disadvantages of this method include significant energy particularly the s for its implementation, due to the high cost of energy on getting aluminum and additional energy costs for obtaining polymers, maintaining high pressure and temperature.

There is also known a method of production of ecologically clean chemical fuel, which is carried out by the reaction of low-temperature nuclear fusion in a nuclear reactor. As a source of reagent use radioactive wastes nuclear reactors and deuterium for neutron production. Nuclear fusion is carried out by radiative capture reagent slow neutrons emitted nuclear energy is converted into electric, which is used to perform electrolysis of water to produce hydrogen and oxygen (see EN No. 2180366, IPC CL. 25 In 1/04, publ. 03.10.2002).

The disadvantage of this method is the high risk of radioactive contamination, which will be located production.

The closest in technical essence and the achieved result is a way to use the mantle of the Earth to produce hydrogen, including the search for continental or oceanic zones of rifting, backed anomalous mantle diapirs with the release of languages mantle material in the crust of the earth, drilling into the mantle substance, water flow into the well and bringing to the surface through the borehole gaseous water is ode, the resulting reaction of the intermetallic compounds (silicides) and based alloys, Si, SB, Fe (silicon, magnesium and iron)contained in the substance of the mantle, with water (see Chemistry and life No. 10, 2000, p.46-51).

The disadvantage of this method is the relatively low productivity and, consequently, higher energy cost, comparable with the energy costs required to produce hydrogen by conventional methods, for example by electrolysis of water.

The problem to which this invention is directed is to improve the economic efficiency of hydrogen energy.

The technical result that can be obtained with the implementation of the invention is to reduce the specific energy cost of hydrogen production.

This technical result is achieved by the fact that in the known method using the mantle of the Earth to produce hydrogen, including the search for continental or oceanic zones of rifting, backed anomalous mantle diapirs with the release of languages mantle material in the crust of the earth, drilling into the mantle substance, water flow into the borehole and the output surface of the hydrogen gas formed in the reaction of the intermetallic compounds contained in the substance of the mantle, with water, according to the invention of th the entry hole in the mantle substance in it form the reaction cavity, the hydrogen yield regulate by changing the volume in the reaction cavity of water, the surface of the reaction cavity, participating in the reaction, periodically regenerate.

This set of features provides the technical result in all cases to which the requested amount of legal protection. In particular, the formation of the reaction cavity allows to obtain a large surface of contact of the water with the substance of the mantle and, consequently, to increase the hydrogen yield. Periodic regeneration of the surfaces participating in the reaction, allowing them to maintain this surface in the reaction condition and even to increase it. Thus, at constant energy cost of drilling wells, water supply, etc. increases the hydrogen yield, resulting in lower unit costs of energy for its production.

In special cases (in particular the forms of execution, or when specific conditions of use) the invention is characterized by the following combination of characteristics:

Drilling is carried out using turbodrills.

Are drilling additional wells and the reaction cavity formed by the breakthrough of the basic and additional wells.

The reaction cavity formed by extensions of the basic and/or additional wells.

The extension is well done is make by detonating charges of explosives.

The regeneration reaction surface carry out high-pressure water stream.

The high pressure stream of water is fed through a nozzle placed in the reaction cavity, remotely controlled manipulators.

In a well or installing a separator for separating the resulting gaseous hydrogen and water vapor.

thermal energy released during the production of works for the production of hydrogen, is disposed.

The way to use the mantle of the Earth to produce hydrogen is as follows.

Modern methods of prospecting and exploration, such as aerospace, searches for continental or oceanic zones of rifting. Found areas allocate zones of rifting, backed anomalous mantle diapirs. The most promising from the point of view of performances of works on production of hydrogen are zones of rifting, backed anomalous mantle diapirs, which languages mantle material come into the crust to a depth of 3-5 km (10 miles). As improved methods of deep and ultra-deep drilling this depth may increase.

Selecting prospective zones, prepare the site for placement of drilling equipment. If promising recognized oceanic zone of rifting, then installs a sea or ocean Burov the second platform. After graduating from the preparatory works to produce drilling at least one well in the mantle substance, based on the technology of rotary drilling, for example, using rotary drills or rotary drilling.

The descent-ascent drill exercise with extra long “candles” at the maximum mechanization and automation of the process. Remove the drill trivia carry out the circulation of the drilling fluid. As drilling fluids in the beginning of the construction of the wells use water based mud. With increasing temperature in the borehole from 240 to 300°move on netelusion, and more than 300 applied solutions for oil based. Depending on the specific geological and technical conditions of use of the drill head as a roller and abrasive type.

As uglubki preservation stability of rocks on the walls of the wellbore in terms of the manifestations of the mountain and reservoir pressure reaches maintaining the desired back pressure of the mud column and its quality, and at a meeting of the reservoirs with low pressure wellbore plant around the casing, which is cement.

The most preferred should be considered as an option when drilled several wells - primary and secondary, one of which can be used for water supply, i.e. as the e injection, and the rest as videcnik, which on the surface is given resulting from the reaction of hydrogen. After logging wells in the mantle substance trunks free from mud and form a reaction cavity, which actually will be the reaction of the intermetallic compounds contained in the mantle substance, water and hydrogen gas. The use of saline (e.g., sea water increases the kinetics of the reaction.

The reaction cavity can be formed by breakthrough injection and vydatnou wells or by extending the injection and/or vydatnou wells. In turn, the widening of the borehole can be achieved by detonating charges of explosives lowered in the borehole bottom.

Make installation of wellhead equipment for sealing the mouths injection and vydatnou wells, distribution and regulation of the flow of injected water in them and get hydrogen, respectively. As establish wellhead tubing head, column head, shutoff and control valves.

Then carry out the water supply to the air injection well and the conclusion to the surface through equipped videonow well gaseous hydrogen formed in the reaction of the intermetallic compounds with water. For the direction of hydrogen in idaknow well trunk injection well seal at the mouth and in front of her pairing with the reaction cavity, providing only the passage of water. In this case formed by the reaction of hydrogen will be released through the open surface videonow well.

It is also possible and the equipment vydatnou wells by vacuum creates a vacuum in the barrel vydatnou well. In this case formed by the reaction of hydrogen will be released in videonow well under the action of the generated vacuum.

The amount of hydrogen (hydrogen) is adjusted by changing the volume in the well water and, accordingly, changes in the volume of water in the reaction cavity. Such regulation can be accomplished, for example, reduced bore valves on the mouth vydatnou wells and reducing the flow of return water at a constant submitting an order to the injection well. As a result, the amount of water that reacts with the intermetallic compounds in the reaction cavity is increased and, accordingly, increases the yield of hydrogen.

About the need to increase or decrease the number in the reaction cavity water is judged by the amount of hydrogen.

As oxidation of the intermetallic compounds present on the surface of the reaction cavity, surface, participating in the reaction, periodically regenerate. Regener is of the specified surface is carried out, for example, high-pressure stream of water. The high pressure stream of water is fed through a nozzle placed in the reaction cavity, remotely controlled manipulators. The oxidation products flow of supplied water is removed from the reaction cavity and bring to the surface, where they dispose of them.

For separating the resulting gaseous hydrogen and water vapor issued in the well may be equipped with a separator.

thermal energy released during the production of works for the production of hydrogen, disposed of by any known means, for example used for the production of electricity or for heating of industrial and civil buildings.

1. The way to use the mantle of the Earth to produce hydrogen, including the search for continental or oceanic zones of rifting, backed anomalous mantle diapirs with the release of languages mantle material in the crust of the earth, drilling into the mantle substance, water flow into the well and bringing to the surface through the borehole gaseous hydrogen formed in the reaction of the intermetallic compounds contained in the substance of the mantle, with water, characterized in that after logging wells in the mantle substance in it form the reaction chamber, the hydrogen yield regulate by changing the volume in the reaction cavity of water, the ri that the surface of the reaction cavity, participating in the reaction, periodically regenerate.

2. The method according to claim 1, characterized in that the drilling is carried out using turbodrills.

3. The method according to claim 1 or 2, characterized in that are drilling additional wells and the reaction cavity formed by the breakthrough of the basic and additional wells.

4. The method according to claim 1 or 2, characterized in that the reaction cavity formed by extensions of the basic and/or additional wells.

5. The method according to claim 1 or 4, characterized in that the widening of the borehole shall be implemented by the explosion of charges of explosives.

6. The method according to any one of claims 1 to 5, characterized in that the regeneration of the surfaces participating in the reaction, carried out high-pressure water stream.

7. The method according to claim 6, characterized in that the high pressure stream of water is fed through a nozzle placed in the reaction cavity, remotely controlled manipulators.

8. The method according to any one of claims 1 to 7, characterized in that the well set the separator for the separation of generated hydrogen gas and water vapor.

9. The method according to any one of claims 1 to 8, characterized in that thermal energy released during the production of works for the production of hydrogen, is disposed.



 

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