Heat generating system

• US 10,641,525 B2
• Filed: 12/12/2016
• Issued: 05/05/2020
• Est. Priority Date: 12/15/2015
• Status: Active Grant

• Current Assignee: Clean Planet Inc.
• Original Assignee: Clean Planet Inc.
• Inventors: Iwamura, Yasuhiro, Ito, Takehiko, Kasagi, Jirota, Yoshino, Hideki, Hattori, Masanao
• Primary Examiner(s): Lau, Jason
• Application Number:
  US15/766,306
• Publication Number:
  US 20180306468A1
• Time in Patent Office: 1,240 Days
• Field of Search: None
• CPC Class Codes: F17C 11/00 Use of gas-solvents or gas-sorbents in vessels absorbing compositions for acetylene C10L3/04; absorbing compositions for hydrogen C01B3/0005
• CPC Class Codes: F17C 11/005 for hydrogen
• CPC Class Codes: F17C 13/026 having the temperature as the parameter
• CPC Class Codes: F17C 2205/0142 bundled in parallel
• CPC Class Codes: F24V 30/00 Apparatus or devices using heat produced by exothermal chemical reactions other than combustion
• CPC Class Codes: Y02E 60/32 Hydrogen storage

Abstract

A heat generating system (1) of the present invention controls an excess heat output from heat-generating element cells (16) that are generating excess heat as a result of the heat generation reaction among the plurality of heat-generating element cells (16) by increasing the number of heat generation reaction positions, and therefore even if the other heat-generating element cells (16) do not generate excess heat due to insufficient heat generation reaction, the heat-generating element cells (16) in which the heat generation reaction is certainly occurring can compensate for insufficient amount of heat to be recovered, thereby capable of stably obtaining heat using the heat-generating element cells (16) each of which generates heat using a hydrogen storage metal or a hydrogen storage alloy.

Claims

1. A heat generating system, comprising:

a plurality of heat-generating element cells, each of which is configured to generate heat by hydrogen-based gas, which contributes to heat generation, being supplied therein, wherein each of the heat-generating element cells includes a container and either a hydrogen storage metal or a hydrogen storage alloy that is provided inside the container, and the hydrogen-based gas is introduced to the container;

an integrated control unit that performs a heat generation process by heating each of the heat-generating element cells and supplying the hydrogen-based gas into each of the heat-generating element cells, and makes an output recovery unit recover the heat output from each of the heat-generating element cells; and

a heat-generating element state evaluation unit that evaluates a heat output state of each of the heat-generating element cells based on one of followings so that an evaluation result is created;

i) an estimation result of a temperature distribution of each of the heat-generating element cells;

ii) a specific result of a type of generated gas generated in each of the heat-generating element cells;

iii) an estimation result of a hydrogen storage amount of the hydrogen storage metal or the hydrogen storage alloy in each of the heat-generating element cells;

iv) an output result of a heat recovered from the hydrogen-based gas discharged from in each of the heat-generating element cells; and

v) an output result of a heat recovered from an outer wall of the container of each of the heat-generating element cells,

wherein the integrated control unit determines whether or not each of the heat-generating element cells generates an excess heat based on the evaluation result of the heat-generating element state evaluation unit, and next

when one of the heat-generating element cells is determined as not generating the excess heat, which is defined as a non-excess heat cell, the integrated control unit continuously performs the heat generation process to the non-excess heat cell, and

when another of the heat-generating element cells is determined as generating the excess heat, which is defined as an excess heat cell, the integrated control unit performs an excess heat output process to the excess heat cell, thereby increasing and/or maintaining the excess heat output from the excess heat cell wherein the excess heat output process is selected from one of follows;

a) a temperature adjustment of the excess heat cell,

b) a supply control of the hydrogen-based gas into the excess heat cell, and

c) a pressure control in the excess heat cell.

5. The heat generating system according to claim 1, further comprising:

a plurality of supply nozzles having a supply ports that are arranged at different positions in each of the heat-generating element cells; and

a gas supply change unit provided to each of the supply nozzles that changes a supply position of the hydrogen-based gas when the hydrogen-based gas is supplied into each of the heat-generating element cells, wherein

the integrated control unit makes the gas supply change unit change the supply position of the hydrogen-based gas to be supplied into each of the heat-generating element cells when performing the excess heat output process.

6. The heat generating system according to claim 1, further comprising:

a circulating passage provided to be wound around an outer wall of the container of each of the heat-generating element cells, the circulating passage configured to flow a thermal fluid, wherein

the output recovery unit recovers heat generated from the outer wall of the container of each of the heat-generating element cells through the thermal fluid, and recovers heat from the hydrogen-based gas discharged from an inside of each of the heat-generating element cells.

8. The heat generating system according to claim 1, further comprising:

a plurality of temperature measurement units that arranged in an array form along an outer wall of the container of each of the heat-generating element cells, and the temperature measurement units measuring temperatures of at different positions on each of the heat-generating element cells, wherein

the heat-generating element state evaluation unit evaluates the heat output state of each of the heat-generating element cells based on the estimation result of the temperature distribution, and

the temperature distribution is obtained from the temperatures at different positions, which are measured with the temperature measurement units.

9. The heat generating system according to claim 1, wherein

each of the heat-generating element cells is provided with a hydrogen storage amount estimation unit that estimates a hydrogen storage amount of the hydrogen storage metal or the hydrogen storage alloy in the heat-generating element cell, and

the integrated control unit determines whether each of the heat-generating element cells generates the excess heat based on an estimation result from the hydrogen storage amount estimation unit.

10. The heat generating system according to claim 1, further comprising:

a circulating passage provided to be wound around an outer wall of the container of each of the heat-generating element cells, the circulating passage configured to flow a thermal fluid in contact with the outer wall of the container of each of the heat-generating element cells, and

a thermal fluid circulation unit circulates the thermal fluid flows through the circulating passage, and recovers heat generated from each of the heat-generating element cells through the thermal fluid, wherein

the integrated control unit increases a flow velocity of the thermal fluid that flows in contact with the outer wall of the container of the heat excess cell so as to be faster than that of the thermal fluid that flows in contact with the outer wall of the container of the non-excess heat cell to increase a recovery rate of heat from the thermal fluid in the excess heat cell.

2. A heat generating system, comprising:

a plurality of heat-generating element cells, each of which is configured to generate heat by hydrogen-based gas, which contributes to heat generation, being supplied therein, wherein each of the heat-generating element cells includes a container and either a hydrogen storage metal or a hydrogen storage alloy that is provided inside the container, and the hydrogen-based gas is introduced to the container;

an integrated control unit that performs a heat generation process by heating each of the heat-generating element cells and supplying the hydrogen-based gas into each of the heat-generating element cells, and makes an output recovery unit recover the heat output from each of the heat-generating element cells; and

a heat-generating element state evaluation unit that evaluates a heat output state of each of the heat-generating element cells based on one of followings so that an evaluation result is created;

i) an estimation result of a temperature distribution of each of the heat-generating element cells;

ii) a specific result of a type of generated gas generated in each of the heat-generating element cells;

iii) an estimation result of a hydrogen storage amount of the hydrogen storage metal or the hydrogen storage alloy in each of the heat-generating element cells;

iv) an output result of a heat recovered from the hydrogen-based gas discharged from in each of the heat-generating element cells; and

v) an output result of a heat recovered from an outer wall of the container of each of the heat-generating element cells,

wherein the integrated control unit determines whether or not each of the heat-generating element cells generates an excess heat based on the evaluation result of the heat-generating element state evaluation unit, and next

when one of the heat-generating element cells is determined as generating the excess heat, which is defined as an excess heat cell, the integrated control unit continuously performs the heat generation process to the excess heat cell, and

when another of the heat-generating element cells is determined as not generating the excess heat, which is defined as a non-excess heat cell, the integrated control unit to the non-excess heat cell, thereby promoting the excess heat output from the non-excess heat cell wherein the excess heat output process is selected from one of follows;

a) a temperature adjustment of the non-excess heat cell,

b) a supply control of the hydrogen-based gas into the non-excess heat cell, and

c) a pressure control in the non-excess heat cell.

3. A heat generating system, comprising:

a plurality of heat-generating element cells, each of which is configured to generate heat by an electrolytic solution, which contributes to heat generation being supplied therein, wherein each of the heat-generating element cells includes a container and either a hydrogen storage metal or a hydrogen storage alloy that is provided inside the container, and the electrolytic solution is introduced to the container;

an integrated control unit that performs a heat generation process by heating each of the heat-generating element cells and supplying the electrolytic solution into each of the heat-generating element cells, and makes an output recovery unit recover the heat output from each of the heat-generating element cells; and

a heat-generating element state evaluation unit that evaluates a heat output state of each of the heat-generating element cells based on one of followings so that an evaluation result is created;

i) an estimation result of a temperature distribution of each of the heat-generating element cells;

ii) a specific result of a type of generated gas generated in each of the heat-generating element cells;

iii) an estimation result of a hydrogen storage amount of the hydrogen storage metal or the hydrogen storage alloy in each of the heat-generating element cells;

iv) an output result of a heat recovered from the electrolytic solution and/or the generated gas discharged from in each of the heat-generating element cells; and

v) an output result of a heat recovered from an outer wall of the container of each of the heat-generating element cells,

wherein the integrated control unit determines whether or not each of the heat-generating element cells generates an excess heat based on the evaluation result of the heat-generating element state evaluation unit, and next

when one of the heat-generating element cells is determined as not generating the excess heat, which is defined as a non-excess heat cell, the integrated control unit continuously performs the heat generation process to the non-excess heat cell, and

when another of the heat-generating element cells is determined as generating the excess heat, which is defined as an excess heat cell, the integrated control unit performs an excess heat output process to the excess heat cell, thereby increasing and/or maintaining the excess heat output from the excess heat cell wherein the excess heat output process is selected from one of follows;

a) a temperature adjustment of the excess heat cell,

b) a supply control of the electrolytic solution into the excess heat cell, and

c) an electrolytic voltage and current control in the excess heat cell.

7. The heat generating system according to claim 3, further comprising:

a circulating passage provided to be wound around an outer wall of the container of each of the heat-generating element cells, the circulating passage configured to flow a thermal fluid, wherein

the output recovery unit recovers heat generated from the outer wall of the container of each of the heat-generating element cells through the thermal fluid, and recovers heat from the electrolytic solution and/or generated gas discharged from an inside of the each of the heat-generating element cells.

4. A heat generating system, comprising:

a plurality of heat-generating element cells, each of which is configured to generate heat by an electrolytic solution, which contributes to heat generation, being supplied therein, wherein each of the heat-generating element cells includes a container and either a hydrogen storage metal or a hydrogen storage alloy that is provided inside the container, and the electrolytic solution is introduced to the container;

an integrated control unit that performs a heat generation process by heating each of the heat-generating element cells and supplying the electrolytic solution into each of the heat-generating element cells, and makes an output recovery unit recover the heat output from each of the heat-generating element cells; and

a heat-generating element state evaluation unit that evaluates a heat output state of each of the heat-generating element cells based on one of followings so that an evaluation result is created;

i) an estimation result of a temperature distribution of each of the heat-generating element cells;

ii) a specific result of a type of generated gas generated in each of the heat-generating element cells;

iii) an estimation result of a hydrogen storage amount of the hydrogen storage metal or the hydrogen storage alloy in each of the heat-generating element cells;

iv) an output result of a heat recovered from the electrolytic solution and/or the generated gas discharged from in each of the heat-generating element cells; and

v) an output result of a heat recovered from an outer wall of the container of each of the heat-generating element cells,

wherein the integrated control unit determines whether or not each of the heat-generating element cells generates an excess heat based on the evaluation result of the heat-generating element state evaluation unit, and next

when one of the heat-generating element cells is determined as generating the excess heat, which is defined as an excess heat cell, the integrated control unit continuously performs the heat generation process to the excess heat cell, and

when another of the heat-generating element cells is determined as not generating the excess heat, which is defined as a non-excess heat cell, the integrated control unit performs an excess heat output process to the non-excess heat cell, thereby promoting the excess heat output from the non-excess heat cell wherein the excess heat output process is selected from one of follows;

a) a temperature adjustment of the non-excess heat cell,

b) a supply control of the electrolytic solution into the non-excess heat cell, and

c) an electrolytic voltage and current control in the non-excess heat cell.

11. A heat generating system, comprising:

a heat-generating element cell that generates heat using a hydrogen storage metal or a hydrogen storage alloy when hydrogen-based gas contributing to heat generation is supplied into the heat-generating element cell;

a temperature measurement unit that is provided to the heat-generating element cell, and measures temperatures of an inside and/or an outer wall of a container of the heat-generating element cell;

a gas supply control unit that determines a supply position of the hydrogen-based gas to be supplied into the heat-generating element cell based on a measurement result obtained from the temperature measurement unit;

a plurality of supply nozzles having a supply ports that are arranged at different positions in the heat-generating element cell; and

a gas supply change unit provided to each of the supply nozzles that changes a supply position of the hydrogen-based gas to be supplied into the heat generating element cell to a supply position determined by the gas supply control unit,

wherein an excess heat generating position at which excess heat is generated in the heat-generating element cell is specified based on the measurement result obtained from the temperature measurement unit, and it is determined that a supply position of the hydrogen-based gas is supplied around the excess heat generating position in the heat-generating element cell.