Chemical reactor for production of hydrogen and the method of its operation

FIELD: chemical industry; chemical reactor and the method for production of hydrogen.

SUBSTANCE: the invention is pertaining to the power equipment may be used for production of hydrogen both in the stationary plants and on the vehicles. The hydrogen is produced by the hydrolysis (decomposing of water) at its interaction with the granules of the solid reactant (aluminum, silicon, etc.) definitely located inside the chemical reactor. The chemical reactor for production of the hydrogen consists of the cylindrical body with the liquid reactant medium, in which there is the temperature sensor connected with the control unit, and in the upper part of the body there is the union for withdrawal of the gaseous product of the reaction. At that inside of the body the tubular heat exchanger is installed. The tubes of the heat exchanger are arranged at least along two concentric circumferences, spaced from each other and communicate through the collector equipped with the valves for feeding of the heating carrier. Between the tubes of the heat exchanger in the liquid reactant medium there is the annular fire grate, on which the solid reactant granules are placed. The chemical reactor has the vertical spacers inserted between the tubes located on the concentric circumferences shutting the gap between the adjacent tubes. Besides there are the vertical inserts placed between the opposite tubes of the adjacent concentric circumferences shutting the gap between the tubes. At that the indicated spacers and inserts form the zones free from the solid reactant granules, and the valves of the heat carrier feeding are connected through the control unit to the temperature sensors. The method of operation of the chemical reactor for production of hydrogen provides for the liquid reactant feeding in the chemical reactor, withdrawal of the heat and the reaction products from the reaction zone with the help of the heat carrier. Before the liquid reactant feeding into the chemical reactor this reactant is heated up to the temperature ensuring the preset duration of the operational cycle of the reaction, and the heat withdrawal from the chemical reactor with the help of the heat carrier begin at reaching the temperature equal to the temperature of the liquid reactant boiling point with the increase of the heating carrier consumption till the boiling temperature of the liquid reactant will drop to 0.9÷0.8 of the liquid reactant boiling temperature, after that the consumption of the cooling heat-carrier maintain constant till completion of the chemical reaction in the chemical reactor. The inventions allow to increase efficiency of the chemical reactor, to reduce its dimensions and the mass, to improve the fire-explosion safety, to simplify the chemical reactor operation, to reduce its operational costs.

EFFECT: the inventions ensure the increased efficiency of the chemical reactor, the reduced its dimensions and the mass, the improved the fire-explosion safety, the simplified operation of the chemical reactor, the decreased its operational costs.

2 cl, 1 dwg

 

The invention relates to power equipment and can be used to produce hydrogen as in fixed installations and transport.

Hydrogen is produced by hydrolysis (decomposition of water) its interaction with aluminum, silicon, magnesium, lithium and others, when this reaction takes place on the surface of solids. It is assumed that the resulting hydrogen is then used as fuel, for example for transport or stationary power plants with fuel cells. In addition, the resulting hydrogen can be used in other areas, for example when cutting metal of greater thickness, welding glass, etc.

A known device for producing hydrogen by hydrolysis of aluminum for power plants based on fuel cells [1]. The unit comprises the reaction vessel filled with a liquid reagent comprising devices for metered load of crushed aluminium, the system is removed from the reaction vessel to heat hydrolysis reaction, the device is removed from the reaction chamber of the reaction product. In the analogue temperature control of the reactor is carried out by circulating through the reaction vessel liquid reagent - aqueous solution of alkali. This entails excessive costs of electricity applicable for operation of pumps, POI this significantly reduces the life time of the installation-defined resource pumps. Simultaneously decreases the reliability of operation of the circuit because of the possibility of a breakthrough in the circuit alkali gas phase (hydrogen, water vapor), with subsequent emergency shutdown of the pumps.

Another significant disadvantage of this analogue is that the pressure in the circuit is equal to the pressure in the reactor, which is valid if the pressure in the reactor is only slightly greater than the ambient pressure. The pressure in the reactor makes it a low temperature (less than or equal to the boiling temperature of the liquid at a given pressure, for example, alkaline solution at atmospheric pressure of 110-120 degrees Celsius). Low operating temperature of the reaction determines and low flow generated by the hydrogen generator becomes accordingly, bulky, which is not quite acceptable even for stationary installations [1]. For the transport of power plants that run on hydrogen, requires technical solutions that ensure high performance of the reaction, such as high specific output generated hydrogen (flow rate of hydrogen is related to the surface area of the reacting aluminum), therefore, provides a system generating hydrogen minimal weight and size is s size.

In the hydrogen generator [2] in the reaction vessel is placed a conveyor belt, which provides mechanical periodic flow of granules in the reaction zone, where the granules are sprayed with a solution of liquid reagent (alkaline solution). Washed pellets produce hydrogen, then through the transport belt fall to the cleaning zone from the spent solution on the surface of the pellets, and then enter the feeder, guide them through transporternoj tape again into the reaction zone. In addition to the disadvantages presented for similar [1] (a large number of moving parts, large size, low operating pressure and temperature and so on)in this setting is difficult removal of the reaction products remaining on the surface of the granules. Difficulties arise because on the surface of aluminum are insoluble reaction products, blocking hydrolysis reaction.

Another significant disadvantage is the low specific yield of hydrogen, because the reaction takes only a portion of the surface of the granules of aluminum facing irrigation nozzles, which reduces the reaction area and reduces, in turn, the performance of hydrogen. Special conveyor belt significantly increases the size of the installation as a whole, which, in turn, determines the low value of pressure is generated hydrogen.

The closest to this technical solution adopted for the prototype, is the installation of chemical synthesis reactor high pressure, the apparatus and method of operation which is described in [3]. Chemical reaction occurs in the body, which serves liquid reagents, when their mixing is performed in a chemical reaction with the formation of the reaction product is a liquid reagent. The temperature of the source reagent is measured by a temperature sensor associated with the control unit, fitting the filing of one liquid reagent is placed in the upper part of the reactor, fitting the filing of another placed in the lower part of the reactor. Fitting selection of the reaction product is placed in the upper part of the reactor. In the upper part of the reactor placed stirrer propeller or turbine type with a cooled, gelseminum electric. To ensure temperature mode of carrying out the reaction in the reactor has a built-in heat exchanger in the form of a vertically placed pipes. Directing flow of the reagents are combined with the edges of a vertically positioned tubular heat exchanger.

Running the reactor as follows.

When filing in the upper part of the reactor liquid reagent it with the help of a mixer is routed to the bottom of the reactor where it is mixed with the second reagent, where the origin is it their mixing and starts a chemical reaction. The reaction product (liquid) next, the same mixing device is sucked into the upper part of the reactor, which is partially withdrawn from the reactor and partially re-directed down. This solution allows the reaction at high pressure of the reactants, which, in turn, provides a high level of operating temperatures of liquid reagents and a high rate of a chemical reaction, therefore, the minimum dimensions of the reactor.

The disadvantage of the considered chemical reactor is the need for continuous forced mechanical mixing of the reactants in the process of their circulation, resulting in reduced equipment life, energy costs and, in turn, reduces the techno-economic performance of the unit.

The method of operation of a chemical reactor [3], adopted for the prototype is that the liquid reagent is first heated and then fed to the reaction zone with the specified flow rate that provides a specified reaction product yield, provided continuous mixing a source of liquid reagents and their circulation inside the reactor.

The known method of operation specified chemical reactor does not provide the holding of heterogeneous chemical reactions. They are characterized by the presence of the reaction zone on the surface of section three phases liquid, ha is obraznogo and solid reagents (for example, aluminum or silicon), and the reaction products of hydrolysis are the gas (hydrogen) and water vapor, and chemical compounds such as sodium aluminate by hydrolysis of aluminum, liquid glass by reaction with silicon.

To arrange a forced circulation of liquid reagent method used in the prototype, it is impossible, because the density of the liquid reagent is a thousand times less than that of the gases and water vapor. Small bubbles of hydrogen formed on the underside of the granules, lead to the ascent (flotation) of the granules of the solid reagent, therefore, to provide a force directed movement of fluid from the upper part of the reactor in the lower part all the more difficult.

Small granule surfaced solid reagent can get in bearings drive agitators and jammed her, the presence of a solid reagent reduces also the corrosion resistance of the blades perelivami devices, reducing the life time of the installation.

The generated gas - hydrogen has a high penetrating power. It penetrates even through the metal sealing sleeve directly to the drive, increasing pozarovzryvobezopasnost operation of the installation. This further exacerbates the disadvantages of a chemical reactor, taken as a prototype, significantly complicates the method of its operation, reduces performance, uvelichenie the dimensions and mass of the reactor, since it is necessary to limit the operating pressure in the reactor, which reduces its temperature, which determines the rate of a chemical reaction.

The objective of the proposed solution is:

- increase the plant productivity

- reduced dimensions and weight installation

- increase fire-fighting,

automation and ease of operation

- reduced operating costs.

These objectives are achieved by the fact that in a chemical reactor, comprising a cylindrical housing with a liquid reagent, which has a temperature sensor associated with the control unit, and in the upper part of the body is fitting exhaust gaseous reaction product, while inside a tubular heat exchanger tube which is placed in at least two concentric circles, separated from one another on a given step size and communicated through a manifold with valves supplying fluid between the tubes of the heat exchanger located at the nearest concentric circles, entered the ring grate-grate located in the liquid reagent that the scattered granules of the solid reagent, and introduced into the reactor vertical spacers between the tubes located on concentric circles, closing the gap between asenime tubes, also, a vertical insertion between the opposing tubes adjacent concentric circles, closing the gap between these tubes: these spacers and inserts form a zone free from granules of the solid reagent, with the valves of the supply is connected through the control unit with temperature sensors.

These tasks are solved in the method of operation of a chemical reactor, comprising a supply of liquid reagent into the reactor, heat and reaction products from the reaction zone by using a carrier according to the invention before applying the liquid reagent in the chemical reactor, the reactant is heated to a predetermined temperature, providing the specified duration of the operating cycle of the reactor, and the heat from the reactor coolant start when the temperature equal to the boiling temperature of the liquid reagent, with increased coolant flow as long as the temperature of liquid components will not fall to 0.9÷0.8 boiling point, after which the cooling fluid leaves constant until the completion of the chemical reaction in the reactor.

The scheme of such a generator is shown in the drawing, where indicated:

1 is a cylindrical casing;

2 is a liquid reagent;

3 - temperature sensor;

4 - the block of management;

5 - fitting the exhaust gas is brasego of the reaction product;

6 - tubular heat exchanger;

7 - tube heat exchanger;

8 - collector;

9 - supply valves;

10 - ring grate-grate;

11 - granules of solid reagent;

12 - spacers;

13 - insert.

In the upper part of the cylindrical body (1), filled with liquid reagent (2), for example an aqueous solution of caustic soda, posted by the temperature sensor (3)associated with the control unit (4). There is also fitting removal of gaseous reaction products (5), inside the cylindrical body is placed a tubular heat exchanger (6), tube (7) is placed on at least two concentric circles and are connected through a manifold (8) with supply valves (9). On the circular grate-grate (10)located in the liquid reagent between the tubes arranged in at least two concentric circles, fill granules of the solid reagent (11), for example, aluminum or silicon. In the axial direction of the grating is located on the bottom of the reactor at a distance, such as 0.1...0.25, the internal diameter of the reactor in order to remove the hot reaction zone reacting pellets from the cold bottom of the reactor and to provide free passage of liquid reagent, descending from the upper zone of the reactor. The location of the gratings relative to the bottom of the reactor is determined experimentally, as is, the farther away the grille from the bottom of the reactor, the more increases stagnant zone in the lower part of the reactor, therefore, increases the mass of the reagents, not reacts; approximation lattices to the bottom of the reactor makes it difficult approach from the bottom of alkali to the granules of the solid reagent that prevents circulation of liquid reagent, thus there is excessive cooling of the reaction zone, which reduces the rate of chemical reaction.

Granules of the solid reagent is placed on the circular grate-grate (10)located between the tubes, arranged in concentric circles. Given the technological gap between adjacent tubes of the heat exchanger is closed spacers (12), and the gap between the opposing pipes located on concentric circles, the inserts (13), forming together with the heat exchanger tubes gas-tight walls of the channels. This is done to ensure that the granules of the solid reagent did not Wake up to the bottom of the reactor filling, and formed channels with gastight walls could provide opportunity for free lowering of the liquid reagent, raised gas lift on the basis of the generated gas from the reaction zone (coinciding with the area of the granules in the upper part of the reactor. The generated gas enters the nozzle outlet of the gaseous reaction product (5). The heat carrier is moved in a tubular heat exchanger (6) via supply valves (9), connected with the control unit (4), collector (8)associated with the tubes of the heat exchanger (7).

Chemical reactor operates as follows. After filling granules of the solid reactant and the liquid reactant starts a chemical reaction of hydrolysis, is allocated hydrogen gas in the form of small bubbles all over the surface of the granules of the solid reagent in the environment of liquid reagent. As a result, the density of the gas environment in the area of the granules becomes less than the density of the liquid reagent in the channels free from granules. The hydrostatic pressure difference between the liquid reactant and the gas-liquid environment on the level of filling of pellets a solid reagent causes a gas-liquid environment, comprising the generated hydrogen, water vapor and the heated liquid chemicals dissolved in the reaction product to rise to the top of the reactor. In the upper part of the reactor is separated risen to effect gas lift liquid reagent from gas, steam and foam, while the liquid reagent is lowered into the reactor channels, free gas, formed by vertical spacers and inserts. At the same time through the grate-grate, on which are reactive granules of the solid reagent is sucking the descending liquid reagent. Thus closes the circle of circulation of the liquid is on the reactant inside the reactor. In the process of lifting and lowering the liquid reagent is cooled, flowing vertical tube heat exchanger inside the reactor. Passing through the bottom of the liquid reagent ensures the absence of dead zones in the reactor and assured flow of liquid reagent into the reaction zone and the withdrawal of the formed reaction products from the surface of the granules of the solid reagent. Pop-up granules of the solid reagent, moving in the vertical direction, optionally mixed liquid reactant inside the reactor and at the same time react with the hydrogen gas, which increases the performance of the reactor.

Before applying the liquid reagent in the chemical reactor, it is heated to a predetermined temperature, providing the specified duration of the operating cycle of the reactor. For example, when a sufficiently long predetermined cycle of operation of the reactor liquid reagent is not heated, as is amarasiri reactor due to the heat released during the chemical reaction (hydrolysis reaction exothermic). In other cases, when you need less time of duration of the working process, the reagent is heated to a predetermined temperature.

The heat from the chemical reactor coolant start when the temperature equal to the boiling temperature of the liquid reagent, with increasing consumption is teplonositelya until until the temperature of liquid components will not fall to 0.9÷0.8 boiling point, after which the cooling fluid leaving constant until the completion of the chemical reaction in the reactor. The temperature of the liquid reagent in the chemical reactor near the boiling temperature associated with the need to preserve the mode of natural circulation of the liquid reagent. While it is in liquid form suitable to the zone of hydrolysis reaction, dissolve the reaction product near pellets in liquid form shall be made gas lift in the upper part of a chemical reactor goes down in channels with gas-tight walls, flowing on this path tube heat exchanger and cooled. The need to maintain the temperature in a chemical reactor is somewhat lower than the boiling point, at the level of 0.9-0.8 times the boiling point of the liquid reagent is determined empirically. The temperature is selected somewhat smaller, to eliminate the possibility of rupture of the circuit of the liquid reagent. The gap in the continuity of flow of the liquid reagent can occur in the most hot zone - in the zone-reactive granules - because of its boiling point in this area, which makes it difficult as cooling reactive granules of the solid reagent and the removal of the reaction product in the form of a solution in a liquid reagent, which leads to saturation of the solution incoherent the reaction product and drop it in solid form, the blocking reaction centers, the termination reaction. Lowering the temperature in the reactor is substantially below the boiling temperature leads to a significant reduction in the rate of a chemical reaction that, in turn, leads to an increase in the size of the chemical reactor, lengthens the time of the process. The optimum value of temperature is given in the present method, was determined by experiment.

References

1. U.S. patent No. 4218520, August 1980.

2. U.S. patent No. 543246, September 1985.

3. Evstafiev A.G. "Reactor" Uch. the Handbook Mihm. M., 1990.

1. Chemical reactor for producing hydrogen, comprising a cylindrical housing with a liquid reagent, which has a temperature sensor associated with the control unit, and in the upper part of the body is fitting exhaust gaseous reaction product, while inside a tubular heat exchanger, characterized in that it tube heat exchanger, at least two concentric circles, separated from one another and connected via a manifold with valves supplying fluid between the tubes of the heat exchanger in the liquid reagent is a ring grate-grate, where the granules of the solid reactant in the reactor is introduced vertical spacers between the tubes, on th the mi on concentric circles, closing the gap between adjacent tubes, in addition, introduced vertical insertion between the opposing tubes adjacent concentric circles, closing the gap between the tubes and the said spacers and inserts form a zone free from granules of the solid reagent, and valves supply is connected through the control unit with temperature sensors.

2. The method of operation of a chemical reactor for hydrogen production, including the supply of liquid reagent into the reactor, heat and reaction products from the reaction zone using a carrier, characterized in that before applying the chemical reactor liquid reagent this reagent is heated to a temperature that ensures the specified duration of the operating cycle of the reaction, and the heat from the reactor coolant start when the temperature equal to the boiling temperature of the liquid reagent with the increase of coolant flow as long as the temperature of the liquid reagent will not fall to 0.9÷0.8 boiling point of the liquid reagent, after which the cooling fluid leave constant until the completion of the chemical reaction in the reactor.



 

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Hydrogen generator // 2266157

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Hydrogen generator // 2266157

FIELD: power equipment; generation of hydrogen both in stationary plants and in transport facilities.

SUBSTANCE: proposed hydrogen generator is made in form of chemical reactor generating hydrogen by hydrolysis, i.e. by decomposition of water by use of solid reagent and hydrolysis reaction of heterogeneous nature proceeding on solid agent surface. Hydrogen thus generated shall be used in power plants working on fuel elements. Hydrogen may be also used for cutting and welding of metals. Hydrogen generator working on hydrolysis exothermic reaction includes reaction vessel with hydrogen supply main and heat exchanger for removal of reaction heat. Generator is also provided with two hydrogen accumulators fitted with pressure sensors; each hydrogen accumulator is pneumatically connected with reaction vessel through inlet valve and with hydrogen supply main through outlet valve; hydrogen accumulators are made in form of hermetic reservoirs partially filled with water and hydraulically interconnected through heat exchanger used for removal of reaction heat and water flow regulator connected with pressure sensors fitted in hydrogen accumulators. Provision is made for autonomous operation of generator which may be cooled in automatic mode.

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FIELD: chemical industry; chemical reactor and the method for production of hydrogen.

SUBSTANCE: the invention is pertaining to the power equipment may be used for production of hydrogen both in the stationary plants and on the vehicles. The hydrogen is produced by the hydrolysis (decomposing of water) at its interaction with the granules of the solid reactant (aluminum, silicon, etc.) definitely located inside the chemical reactor. The chemical reactor for production of the hydrogen consists of the cylindrical body with the liquid reactant medium, in which there is the temperature sensor connected with the control unit, and in the upper part of the body there is the union for withdrawal of the gaseous product of the reaction. At that inside of the body the tubular heat exchanger is installed. The tubes of the heat exchanger are arranged at least along two concentric circumferences, spaced from each other and communicate through the collector equipped with the valves for feeding of the heating carrier. Between the tubes of the heat exchanger in the liquid reactant medium there is the annular fire grate, on which the solid reactant granules are placed. The chemical reactor has the vertical spacers inserted between the tubes located on the concentric circumferences shutting the gap between the adjacent tubes. Besides there are the vertical inserts placed between the opposite tubes of the adjacent concentric circumferences shutting the gap between the tubes. At that the indicated spacers and inserts form the zones free from the solid reactant granules, and the valves of the heat carrier feeding are connected through the control unit to the temperature sensors. The method of operation of the chemical reactor for production of hydrogen provides for the liquid reactant feeding in the chemical reactor, withdrawal of the heat and the reaction products from the reaction zone with the help of the heat carrier. Before the liquid reactant feeding into the chemical reactor this reactant is heated up to the temperature ensuring the preset duration of the operational cycle of the reaction, and the heat withdrawal from the chemical reactor with the help of the heat carrier begin at reaching the temperature equal to the temperature of the liquid reactant boiling point with the increase of the heating carrier consumption till the boiling temperature of the liquid reactant will drop to 0.9÷0.8 of the liquid reactant boiling temperature, after that the consumption of the cooling heat-carrier maintain constant till completion of the chemical reaction in the chemical reactor. The inventions allow to increase efficiency of the chemical reactor, to reduce its dimensions and the mass, to improve the fire-explosion safety, to simplify the chemical reactor operation, to reduce its operational costs.

EFFECT: the inventions ensure the increased efficiency of the chemical reactor, the reduced its dimensions and the mass, the improved the fire-explosion safety, the simplified operation of the chemical reactor, the decreased its operational costs.

2 cl, 1 dwg

FIELD: heating systems, fuel.

SUBSTANCE: invention refers to controlled solid-fuel gas-generating systems. Control method of solid monofuel firing in liquid medium consists in the fact that a cylindrical fuel grain is located in the liquid mainly in a vertical position with attachment in its lower part, and on upper edge prior to lighting-up there localised is the area of possible firing by using a heat-resistant body in an upright position, which is installed so that its side walls envelope upper part of the grain. Bottom part of heat-resistant body is heated up to temperature exceeding fuel firing temperature, and then that temperature is kept unchangeable during the whole firing process, and after fuel lighting-up there performed along upper edge is forced downward movement of heat-resistant body, at that in order to stop firing, the heat-resistant body is stopped or taken upwards, at that, lighting-up, firing and blowout modes are changed many times at random time intervals.

EFFECT: obtaining the possibility of controlling gas incoming at underwater firing, and providing gas formation process interrupt with the possibility of multiple repeated cylce.

4 cl, 7 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and can be used in producing hydrogen. The gas generator has a reactor 2, inside of which there are aluminium plates 6, a receiver, a water pump and a discharge valve. Plates 6 made from aluminium composite are rectangular shaped and are fitted vertically inside the reactor 2 with smaller side down. Said plates lie on a radius uniformly lying on a circle and are fixed in on two sides in radial grooves of a fastening element made in form of a pipe and two discs on it having radial grooves, attached at the centre of the cover 3 of the reactor 2 and together with it and plates 6, forms a removable cartridge, in the bottom part of which a nut 14, washer 12 and a spring 13 tightly fix the plates between the discs. The reactor 2 has an opening in its top part for outlet of hydrogen, and two openings on the same level in its central part for inlet and outlet of water and an opening in its bottom part for complete outlet of water and removing slag.

EFFECT: invention increases hydrogen output and enables fast replacement of the cartridge.

1 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and can be used in producing hydrogen. According to the first version, the composition for producing hydrogen gas contains calcium oxide powder, calcium chloride powder, magnesium chloride or sodium bicarbonate, aluminium powder or aluminium oxide and iron or magnesium powder. According to the second version, the composition contains at least one powder selected from calcium oxide powder and dolomite powder, sodium hydroxide powder and at least one powder selected from aluminium powder, magnesium powder and iron powder. The apparatus has a reaction vessel 11, which receives the composition for producing hydrogen gas through contact with water and there is a heat-exchange coil 17, a part 12 for feeding water which is fitted with a sprayer for spraying water at the composition for producing hydrogen gas inside the reaction vessel 11, a part 13 for cleaning hydrogen and a part 14 for storing hydrogen.

EFFECT: invention enables to obtain pure hydrogen.

16 cl, 6 dwg, 1 tbl

FIELD: power industry.

SUBSTANCE: invention relates to hydrogen power industry and may be used for hydrogen generation. Device includes lower reaction chamber (1) with hydroreaction composition consisting of aluminium powder (2) and water (12), upper chamber (3) connected with lower chamber (1) filled through filling opening (6) with aqueous solution of hydrated sodium metasilicate crystals (5). Aqueous solution of activator is fed to chamber (1) by thread controller (7) of solution supply. Hydrogen is output from reaction chamber (1) through tube (8).

EFFECT: enhanced efficiency and control of hydrogen generator operation.

1 dwg, 6 ex

FIELD: power industry.

SUBSTANCE: invention relates to power equipment, and can be used to generate hydrogen both in fixed units and in vehicles. The hydrogen generation method includes installation of the items out of aluminium or magnesium composite in form of a cube or parallelepiped with holes in three orthogonal directions in the grid containers, each container is located in separate tight reactor, through which water passes using water inlet holes equipped with stop valves connected with inlet water line, and water outlet holes equipped with stop valves connected with water outlet line, at that the lines are connected with a heat exchanger, and hydrogen is removed via the holes equipped with stop valves connected with hydrogen line that is connected to gas consumer.

EFFECT: invention ensures quick replacement of the solid reagent without stop of the hydrogen generation process, and safety and solid discharges absence.

4 cl, 3 dwg

Hydrogen generator // 2553885

FIELD: power industry.

SUBSTANCE: hydrogen generator contains a reactionary vessel, a main line for supply of water solution of a caustic soda, the main line for hydrogen supply, and also the container with the solid reagent - aluminium. The reactionary vessel is implemented as flow-through. The generator is fitted with the main line for water suspension supply with the solid reagent - aluminium, the mixing device designed as tangential inlets into the reactionary vessel by the main lines for water solution supply of caustic supply and supply of water suspension with the solid reagent - aluminium, the ring-shaped filter and the main line for discharge of water solution of hydrolysis products which are installed in the lower part of the reactionary vessel.

EFFECT: invention allows to improve quality of production process and to decrease operational costs.

1 dwg

FIELD: oil and gas industry.

SUBSTANCE: invention is related to self-regulating adaptive production of gas (G) released in submerged conditions. Gas (G) is generated at chemical reaction between liquid (L) and solid substance (S) (for example, hydrogen generated at hydrolysis of metal hydride) and impurities do not enter it during the period between its generation and delivery. The invention also refers to the device fit for implementation of this method.

EFFECT: reduced quantity of impurities.

13 cl, 6 dwg

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