WO2013073852A1 - Charge determination system employing biomass, cogeneration unit and heat pump - Google Patents

Charge determination system employing biomass, cogeneration unit and heat pump Download PDF

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Publication number
WO2013073852A1
WO2013073852A1 PCT/KR2012/009635 KR2012009635W WO2013073852A1 WO 2013073852 A1 WO2013073852 A1 WO 2013073852A1 KR 2012009635 W KR2012009635 W KR 2012009635W WO 2013073852 A1 WO2013073852 A1 WO 2013073852A1
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Prior art keywords
heat
charge determination
consumption
electricity
cogeneration unit
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PCT/KR2012/009635
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French (fr)
Inventor
Gun Tag Kim
Jung Woo Lee
Jong Woo Ryu
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Samchully Co., Ltd.
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Publication of WO2013073852A1 publication Critical patent/WO2013073852A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Definitions

  • the present invention relates to a system for producing electricity and heat using biomass, a gasifier and a cogeneration unit, and supplying the produced electricity and heat separately or in combination with electricity and heat introduced from a power plant and a heat supplier, respectively, and more particularly, to a charge determination for offsetting the consumption of power or heat.
  • electricity and/or heat are produced in power plants or city gas production facilities and supplied from central supply systems to consumers such as homes or industrial sites.
  • each consumer should be connected with major electricity suppliers and/or heat suppliers through power systems and/or heat pipe systems. For this reason, the installation of infrastructure and economic investment for such installations are necessary.
  • Another object of the present invention is to provide a system capable of producing electricity and heat directly from syngas generated from biomass, thereby minimizing the risk of transporting syngas produced from biomass.
  • Still another object of the present invention is to provide a system capable of contributing to a reduction in CO 2 emissions by increasing energy efficiency.
  • Still another object of the present invention is to provide a system which can independently produce electricity and heat, such that the separately-produced electricity and heat can be used in combination with the electricity and heat provided from a central supply system.
  • a system can determine a charge in an accurate and effective manner, and thus can provide benefits to both central energy suppliers and consumers.
  • the present invention provides a charge determination system employing biomass and a heat pump, the system comprising: a gasifier for producing syngas by combustion of biomass; a cogeneration unit for producing heat and electricity from the syngas; a heat pump which exchanges heat with the cogeneration unit; a heat pipe system and a power system for supplying the heat and electricity produced from the cogeneration unit to a consumer; and a charge determination server, wherein the heat pipe system is connected to an existing heat pipe system installed at the consumer's location, and the charge determination server offsets the consumption of heat (H 1 )introduced through the heat pipe system of the charge determination system and the consumption of heat (H 2 )introduced through the existing heat pipe system to thereby determine a corresponding charge on the basis of the offset value according to preset standards.
  • the power system is connected with an existing power system installed in the consumer's location, and the charge determination server offsets the consumption of energy (E 1 )introduced through thepower system of the charge determination system and the consumptionof electricity (E 2 ) introduced through the existing power system and determines a corresponding charge on the basis of the offset value according to preset standards.
  • the charge determination system further comprises: a heat consumption computation server capable of sensing and offsetting the consumption of heat introduced through the heat pipe system of the charge determination system and the existing heat pipe system; and a power consumption computation server capable of sensing and offsetting the consumption of electricity introduced through the power system of the present invention and the existing power system.
  • a heat consumption computation server capable of sensing and offsetting the consumption of heat introduced through the heat pipe system of the charge determination system and the existing heat pipe system
  • a power consumption computation server capable of sensing and offsetting the consumption of electricity introduced through the power system of the present invention and the existing power system.
  • the biomass is lignocellulosic biomass selected from wood chips and wood pellets.
  • the lignocellulosic biomass is derived from palm skins or cornstalks.
  • the gasifier is preferably a pyrolysis gasifier or a plasma gasifier
  • the cogeneration unit preferably comprises any one or more of a gas engine, a gas turbine and a fuel cell.
  • electricity and/or heat can be effectively supplied to energy-deprived areas.
  • the present invention can reduce the user s expenses and can contribute to a reduction in CO 2 emissions.
  • the charge determination system is based on net metering and can therefore provide benefits to both central energy suppliers and consumers.
  • FIG. 1 is a conceptual view illustrating the present invention.
  • gasifier is meant to include any system that produces syngas by the combustion of biomass.
  • the gasifier that is used in the present invention is preferably a pyrolysis gasifier or a plasma gasifier, but is not limited thereto.
  • cogeneration unit is meant to include any system that simultaneously produces heat and electricity from syngas.
  • the cogeneration unit may comprise an engine such as a gas engine, a turbine such as a gas turbine, and/or a fuel cell, but is not limited thereto.
  • the charge determination system according to the present invention is more effectively used in energy-deprived areas to which city gas or power is difficult to supply.
  • the charge determination system is mainly characterized by the use of biomass.
  • it comprises a heat pump in order to increase heat efficiency.
  • the charge determination system comprises a gasifier 110, a cogeneration unit 120 and a heat pump 130.
  • the gasifier 110 produces syngas by the combustion of biomass.
  • the kind of gasifier 110 used is not limited.
  • biomass that is used in the present invention is preferably in the form of wood chips or wood pellets.
  • the wood chips or pellets are preferably derived from palm skins or corn stalks.
  • syngas is produced by the combustion of biomass.
  • the produced syngas is introduced into the cogeneration unit 120 through a gas cleaning system (not shown).
  • the cogeneration unit 120 produces heat and electricity from the syngas produced in the gasifier 110.
  • the cogeneration unit 120 exchanges heat with the heat pump 130, such that the efficiency thereof can be increased.
  • the heat pump 130 may be located adjacent to the cogeneration unit 120.
  • a heat pump may be individually located in a consumer s home or a multitude of consumer homes.
  • the heat and electricity produced in the cogeneration unit 120 are supplied to the consumer through a heat pipe system 330 and a power system 320, respectively.
  • the heat pipe system 330 and the power system 320 may be connected directly to the cogeneration unit 120 and the consumer 300.
  • the heat pipe system 330 and the power system 320 may be connected to an existing power system 321 and an existing power system, which are connected to a power plant and installed at the location of the consumer 300.
  • Heat that is supplied to the consumer 300 may be supplied from the cogeneration unit 120 of the charge determination system of the present invention and from a heat supplier 325.
  • a heat consumption computation server 230 is located in the heat pipe systems 330 and 331 and offsets the consumption of heat (H 1 ) supplied from the cogeneration unit 120 with the consumption of heat (H 2 )supplied from the heat supplier 235.
  • the consumer 300 does not have monetary charges for heat supplied through the heat pipe system 330.
  • the amount of heat produced by the cogeneration unit 120 is greater than the amount of heat used by the consumer 300, heat does not need to be supplied from the heat supplier 235, and additionally any surplus heat produced by the cogeneration unit 120 remaining after use will be supplied to other consumers (not shown) through other systems.
  • the heat consumption computation server 230 can offset the consumption of heat in the above two cases, thereby determining the amount of heat produced or consumed by the consumer, and the charge determination server 210 determines a final charge on the basis of the offset value according to preset standards. In some cases, the charge may also be refunded to the consumer.
  • a power consumption computation server 230 is located in the power systems 320 and 321 and offsets the consumption of electricity (E 1 ),suppliedfromthecogenerationunit120,withtheelectricityofheat(E 2 )suppliedfromthepowerplant225.
  • the consumer 300 does not have monetary charges for electricity supplied through the power system 320.
  • the amount of electricity produced in the cogeneration unit 120 is greater than the amount of electricity used by the consumer 300, the aforementioned electricity does not need to be supplied from the power plant 225, and additionally any surplus electricity produced by the cogeneration unit 120 remaining after use will be supplied to other consumers (not shown).
  • the electricity consumption computation server 220 can offset the consumption of electrical power in the above two cases, thereby determining the amount of electricity produced or consumed by the consumer, and the charge determination server 210 determines a final charge on the basis of the offset value according to preset standards. In some cases, the charge may also be refunded to the consumer.

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Abstract

The present invention provides a system for producing electricity and heat using biomass, a gasifier and a cogeneration unit, supplying the produced electricity and heat separately or in combination with electricity and heat introduced from a power plant and a heat supplier, respectively. Particularly, the invention provides a charge determination for offsetting the consumption of power or heat.

Description

CHARGE DETERMINATION SYSTEM EMPLOYING BIOMASS, COGENERATION UNIT AND HEAT PUMP
The present invention relates to a system for producing electricity and heat using biomass, a gasifier and a cogeneration unit, and supplying the produced electricity and heat separately or in combination with electricity and heat introduced from a power plant and a heat supplier, respectively, and more particularly, to a charge determination for offsetting the consumption of power or heat.
Generally, electricity and/or heat are produced in power plants or city gas production facilities and supplied from central supply systems to consumers such as homes or industrial sites.
Thus, in order to efficiently utilize central supply systems, each consumer should be connected with major electricity suppliers and/or heat suppliers through power systems and/or heat pipe systems. For this reason, the installation of infrastructure and economic investment for such installations are necessary.
However, in remote areas or areas having low economic development, power systems and heat pipe systems are not installed, and thus it is difficult to utilize central supply systems. Such areas can be said to be energy-deprived areas.
In order to use electricity and/or heat in such energy-deprived areas, private power generators or heating systems are required.
However, most private power generators or heating systems have low efficiency and thus require an excessive amount of maintenance and upkeep costs. In addition, they cause environmental problems.
Accordingly, it is an object of the present invention to provide a system for supplying electricity and heat, produced from relatively inexpensive biomass, to an energy-deprived area.
Another object of the present invention is to provide a system capable of producing electricity and heat directly from syngas generated from biomass, thereby minimizing the risk of transporting syngas produced from biomass.
Still another object of the present invention is to provide a system capable of contributing to a reduction in CO2 emissions by increasing energy efficiency.
Still another object of the present invention is to provide a system which can independently produce electricity and heat, such that the separately-produced electricity and heat can be used in combination with the electricity and heat provided from a central supply system. Such a system can determine a charge in an accurate and effective manner, and thus can provide benefits to both central energy suppliers and consumers.
To achieve the above objects, the present invention provides a charge determination system employing biomass and a heat pump, the system comprising: a gasifier for producing syngas by combustion of biomass; a cogeneration unit for producing heat and electricity from the syngas; a heat pump which exchanges heat with the cogeneration unit; a heat pipe system and a power system for supplying the heat and electricity produced from the cogeneration unit to a consumer; and a charge determination server, wherein the heat pipe system is connected to an existing heat pipe system installed at the consumer's location, and the charge determination server offsets the consumption of heat (H1)introduced through the heat pipe system of the charge determination system and the consumption of heat (H2)introduced through the existing heat pipe system to thereby determine a corresponding charge on the basis of the offset value according to preset standards.
Preferably, the power system is connected with an existing power system installed in the consumer's location, and the charge determination server offsets the consumption of energy (E1)introduced through thepower system of the charge determination system and the consumptionof electricity (E2) introduced through the existing power system and determines a corresponding charge on the basis of the offset value according to preset standards.
Preferably, the charge determination system further comprises: a heat consumption computation server capable of sensing and offsetting the consumption of heat introduced through the heat pipe system of the charge determination system and the existing heat pipe system; and a power consumption computation server capable of sensing and offsetting the consumption of electricity introduced through the power system of the present invention and the existing power system.
Preferably, the biomass is lignocellulosic biomass selected from wood chips and wood pellets. The lignocellulosic biomass is derived from palm skins or cornstalks.
In addition, the gasifier is preferably a pyrolysis gasifier or a plasma gasifier, and the cogeneration unit preferably comprises any one or more of a gas engine, a gas turbine and a fuel cell.
According to the present invention, electricity and/or heat can be effectively supplied to energy-deprived areas.
Specifically, because biomass is used and a heat pump is used to increase efficiency, the present invention can reduce the user s expenses and can contribute to a reduction in CO2emissions. In addition, the charge determination system is based on net metering and can therefore provide benefits to both central energy suppliers and consumers.
FIG. 1 is a conceptual view illustrating the present invention.
Hereinafter, a charge determination system according to the present invention will be described in detail with reference to the accompanying drawing.
As used herein, the term "gasifier" is meant to include any system that produces syngas by the combustion of biomass. The gasifier that is used in the present invention is preferably a pyrolysis gasifier or a plasma gasifier, but is not limited thereto.
As used herein, the term "cogeneration unit" is meant to include any system that simultaneously produces heat and electricity from syngas. The cogeneration unit may comprise an engine such as a gas engine, a turbine such as a gas turbine, and/or a fuel cell, but is not limited thereto.
The charge determination system according to the present invention is more effectively used in energy-deprived areas to which city gas or power is difficult to supply. The charge determination system is mainly characterized by the use of biomass. In addition, it comprises a heat pump in order to increase heat efficiency.
As shown in FIG. 1, the charge determination system according to the present invention comprises a gasifier 110, a cogeneration unit 120 and a heat pump 130.
The gasifier 110 produces syngas by the combustion of biomass. The kind of gasifier 110 used is not limited. In order for the system of the present invention to be economically and effectively used in energy-deprived areas, biomass that is used in the present invention is preferably in the form of wood chips or wood pellets. The wood chips or pellets are preferably derived from palm skins or corn stalks.
In the gasifier 110, syngas is produced by the combustion of biomass. The produced syngas is introduced into the cogeneration unit 120 through a gas cleaning system (not shown).
The cogeneration unit 120 produces heat and electricity from the syngas produced in the gasifier 110.
The cogeneration unit 120 exchanges heat with the heat pump 130, such that the efficiency thereof can be increased. As shown in FIG. 1, the heat pump 130 may be located adjacent to the cogeneration unit 120. Alternatively, a heat pump may be individually located in a consumer s home or a multitude of consumer homes.
The heat and electricity produced in the cogeneration unit 120 are supplied to the consumer through a heat pipe system 330 and a power system 320, respectively.
In one embodiment, the heat pipe system 330 and the power system 320 may be connected directly to the cogeneration unit 120 and the consumer 300.
In a second embodiment, as shown in FIG. 1, the heat pipe system 330 and the power system 320 may be connected to an existing power system 321 and an existing power system, which are connected to a power plant and installed at the location of the consumer 300.
The second embodiment will now be described in further detail.
Heat that is supplied to the consumer 300 may be supplied from the cogeneration unit 120 of the charge determination system of the present invention and from a heat supplier 325.
In the case of charge determination, a heat consumption computation server 230 is located in the heat pipe systems 330 and 331 and offsets the consumption of heat (H1) supplied from the cogeneration unit 120 with the consumption of heat (H2)supplied from the heat supplier 235.
In light of the operation of the cogeneration unit 120 being financed by the consumer 300, the consumer 300 does not have monetary charges for heat supplied through the heat pipe system 330.
When the amount of heat produced by the cogeneration unit 120 is greater than the amount of heat used by the consumer 300, heat does not need to be supplied from the heat supplier 235, and additionally any surplus heat produced by the cogeneration unit 120 remaining after use will be supplied to other consumers (not shown) through other systems.
When the amount of heat produced by the cogeneration unit 120 is less than the amount of heat used by the consumer 300, heat should be supplied from the heat supplier 235.
The heat consumption computation server 230 can offset the consumption of heat in the above two cases, thereby determining the amount of heat produced or consumed by the consumer, and the charge determination server 210 determines a final charge on the basis of the offset value according to preset standards. In some cases, the charge may also be refunded to the consumer.
This similarly applies to the case of electricity. For charge determination, a power consumption computation server 230 is located in the power systems 320 and 321 and offsets the consumption of electricity (E1),suppliedfromthecogenerationunit120,withtheelectricityofheat(E2)suppliedfromthepowerplant225.
In light of the operation of the cogeneration unit 120 being financed by the consumer 300, the consumer 300 does not have monetary charges for electricity supplied through the power system 320.
When the amount of electricity produced in the cogeneration unit 120 is greater than the amount of electricity used by the consumer 300, the aforementioned electricity does not need to be supplied from the power plant 225, and additionally any surplus electricity produced by the cogeneration unit 120 remaining after use will be supplied to other consumers (not shown).
When the amount of electricity produced in the cogeneration unit 120 is less than the amount of electricity used by the consumer 300, heat should be supplied from the power plant 225.
Thus, the electricity consumption computation server 220 can offset the consumption of electrical power in the above two cases, thereby determining the amount of electricity produced or consumed by the consumer, and the charge determination server 210 determines a final charge on the basis of the offset value according to preset standards. In some cases, the charge may also be refunded to the consumer.
Although the preferred embodiment of the present invention has been described for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
[Description of reference numerals used in the drawings]
110: gasifier
120: cogeneration unit
130: heat pump
210: charge determination server
220: power consumption computation server
225: power plant
230: heat consumption computation server
235: heat supplier
300: consumer
320: power system
321: existing power system
330: heat pipe system
331: existing heat pipe system

Claims (7)

  1. A charge determination system employing biomass and a heat pump, the system comprising:
    a gasifier for producing syngas by the combustion of biomass;
    a cogeneration unit for producing heat and electricity from the syngas;
    a heat pump which exchanges heat with the cogeneration unit;
    a heat pipe system and a power system for supplying the heat and electricity produced in the cogeneration unit to a consumer; and
    a charge determination server,
    wherein the heat pipe system is connected with an existing heat pipe system installed at the consumer's location, and the charge determination server offsets the consumption of heat (H1)introduced through the heat pipe system of the charge determination server and the consumption of heat (H2)introduced through the existing heat pipe system and determines a charge on the basis of the offset value according to preset standards.
  2. The charge determination system of claim 1, wherein the power system is connected to an existing power system installed at the consumer's location, and the charge determination server offsets the consumption of energy (E1)introduced through the power system and the consumption of electricity (E2) introduced through the existing power system and determines a charge on the basis of the offset value according to preset standards.
  3. The charge determination system of claim 2, wherein the charge determination system further comprises:
    a heat consumption computation server capable of sensing and offsetting the consumption of heat introduced through the heat pipe system of the charge determination system and the existing heat pipe system; and
    a power consumption computation server capable of sensing and offsetting the consumption of electricity introduced through the power system of charge determination system and the existing power system.
  4. The charge determination system of claim 1, wherein the biomass is wood chips or wood pellets.
  5. The charge determination system of claim 4, wherein the biomass is derived from palm skins or corn stalks.
  6. The charge determination system of claim 1, wherein the gasifier is a pyrolysis gasifier or a plasma gasifier.
  7. The charge determination system of claim 1, wherein the cogeneration unit comprises any one or more of a gas engine, a gas turbine and a fuel cell.
PCT/KR2012/009635 2011-11-18 2012-11-15 Charge determination system employing biomass, cogeneration unit and heat pump WO2013073852A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109615127A (en) * 2018-12-03 2019-04-12 哈尔滨工业大学 The method for determining geographic latitude Yu biomass thermal power plant consumption of raw materials magnitude relation

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KR102384980B1 (en) * 2020-05-15 2022-04-08 한국지역난방공사 Virtual power plahnt system using renewable energy chp and virtual power plant operating method using the same

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JP2010090728A (en) * 2008-10-03 2010-04-22 Chugoku Electric Power Co Inc:The Cogeneration system
KR20110011045A (en) * 2009-07-27 2011-02-08 주식회사 삼천리 Electric power treatment system for photovoltaic power generation and electric power treatment method for photovoltaic power generation
KR101029648B1 (en) * 2009-07-27 2011-04-15 주식회사 삼천리 Electric power treatment system for fuel cell power generation and electric power treatment method for fuel cell power generation
KR20110053841A (en) * 2009-11-16 2011-05-24 일진전기 주식회사 Power exchange system of distributed generation and its method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010090728A (en) * 2008-10-03 2010-04-22 Chugoku Electric Power Co Inc:The Cogeneration system
KR20110011045A (en) * 2009-07-27 2011-02-08 주식회사 삼천리 Electric power treatment system for photovoltaic power generation and electric power treatment method for photovoltaic power generation
KR101029648B1 (en) * 2009-07-27 2011-04-15 주식회사 삼천리 Electric power treatment system for fuel cell power generation and electric power treatment method for fuel cell power generation
KR20110053841A (en) * 2009-11-16 2011-05-24 일진전기 주식회사 Power exchange system of distributed generation and its method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109615127A (en) * 2018-12-03 2019-04-12 哈尔滨工业大学 The method for determining geographic latitude Yu biomass thermal power plant consumption of raw materials magnitude relation
CN109615127B (en) * 2018-12-03 2020-04-24 哈尔滨工业大学 Method for determining relation between geographical latitude and biomass thermal power plant raw material consumption

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