CN1623915A - Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange - Google Patents

Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange Download PDF

Info

Publication number
CN1623915A
CN1623915A CNA2004100939232A CN200410093923A CN1623915A CN 1623915 A CN1623915 A CN 1623915A CN A2004100939232 A CNA2004100939232 A CN A2004100939232A CN 200410093923 A CN200410093923 A CN 200410093923A CN 1623915 A CN1623915 A CN 1623915A
Authority
CN
China
Prior art keywords
solar energy
chimney
fresh water
exchange
condensing heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2004100939232A
Other languages
Chinese (zh)
Other versions
CN1331764C (en
Inventor
王一平
朱丽
张金利
王俊红
方振雷
韩丽君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University
Original Assignee
Tianjin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CNB2004100939232A priority Critical patent/CN1331764C/en
Publication of CN1623915A publication Critical patent/CN1623915A/en
Application granted granted Critical
Publication of CN1331764C publication Critical patent/CN1331764C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/138—Water desalination using renewable energy
    • Y02A20/141—Wind power
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

A system for preparing fresh water by air and generating electric energy, used to treat seawater, bittern, or industrial sewage, is composed of a solar heat collecting shed, a solar chimney on said shed, a wind-driven turbogenerator set at the inlet of said solar chimney, and an indirect condensing unit under the inlet of solar chimney. The cold air is heated for moistening it and then indirectly heat-exchanged by tube wall to become fresh water. The heated air is raising into the solar chimney to drive said turbogenerator.

Description

Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange
Technical field
The present invention relates to a kind of helioplant, particularly relate to the system that a kind of solar energy chimney indirect condensing heat-exchange prepares fresh water and carries out wind-power electricity generation.
Background technology
Along with world population increases and industrial develop rapidly fast, energy demand constantly increases, and environmental pollution is also in aggravation, and the global greenhouse effect influence continues to rise, and the mankind's living environment order benefit worsens; Cheap oil and natural gas also will exhaust, and countries in the world are also strengthened gradually to the dependence of the new forms of energy demand of cleaning, and renewable energy source is following important alternative energy.
The various countries expert is the new forms of energy problem of special concern 21 century, and very good new renewable energy source.Seeking clean energy utilizes new technology to become one of research focus, and the most rising new energy technology that the solar chimney generation technology will be had an optimistic view of by many energy experts, and build the go forward side by side technology of sector-style power generating of solar chimney and exist and be gradually improved.
Freshwater resources all over the world are very in short supply now, a large amount of urban water shortages, and also present only Freshwater resources will face exhaustion in coming few decades.From seawater or brackish water or contained pollutent is that to extract fresh water the industrial sewage of non-volatile substance or the waste water be an effective measure, and producing fresh water in conjunction with the solar chimney wind generating technology is a very promising new technology.
Summary of the invention
The objective of the invention is to utilize reproducible free solar energy resources and solar chimney generation technology principle, provide a kind of solar energy chimney indirect condensing heat-exchange to prepare fresh water and wind generator system, technical scheme of the present invention is summarized as follows:
A kind of Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange, on the solar energy heating canopy, be provided with solar chimney, it is characterized in that below described solar chimney inlet, being provided with the indirect condensing device, be provided with the wind turbine generator group at described solar chimney inlet.
The height of described solar chimney is a 5-2000 rice, and the internal diameter of described solar chimney is a 1-100 rice.
The area of described solar energy heating canopy is 0.00001-300 square kilometre.The area of solar energy heating canopy is preferably 0.01-50 square kilometre.
The combining site of described solar energy heating canopy and described solar chimney is equal to or greater than the distance of the periphery of described solar energy heating canopy apart from described horizontal plane apart from the distance of horizontal plane.
The material of described solar energy heating canopy is light-passing plastic material or transparent glass material or the compound light transmissive material be made up of plastic and glass.
Described solar energy heating canopy be shaped as circle oval or fan-shaped or rectangle or Polygons or irregularly shaped.
A kind of Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange of the present invention can be used for the processing that seawater, brackish water or contained pollutent are the industrial sewage or the waste water of non-volatile substance.In conjunction with thermal-arrest canopy greenhouse technology and chimney technology, can improve moisture evaporation speed, reach the effect of evaporation enhancement, can adopt drainage system simultaneously, with of the conveying of fortified water steam to the condensing heat-exchange tube bank.Cold dry air carries out condensing heat-exchange by the heat exchange tube wall in arriving the outer damp-heat air of pipe and managing, water of condensation flows in the water storage device along tube wall and is fresh water, the cold dry air that carries out heat transfer tube row from outside atmosphere after the heat exchange then becomes heated dry air, promotes wind park's generating of chimney ingress.The present invention has improved the comprehensive utilization degree income of total system greatly in the basic enterprising sector-style power generating of the production of fresh water.Make full use of solar source, partly solved global fresh water problem in short supply again.Can solve resident's daily life water and electrical problem for the low developed area sunny, that natural resources is in short supply simultaneously especially; In addition, native system also can carry out sea salt or organic substance or inorganic substance production, halobios breed and go sightseeing etc., have the feasibility on economy, environment and the social benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
A kind of Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange, on solar energy heating canopy 1, be provided with solar chimney 2, below described solar chimney inlet, be provided with indirect condensing device 3, be provided with wind turbine generator group 4 at described solar chimney inlet.
The height of solar chimney is for can select 5 meters for use, or 2000 meters, can also choose 10 meters, 50 meters, 100 meters, 150 meters, 200 meters, 500 meters, 700 meters, 900 meters, 1000 meters, 1200 meters, 1300 meters, 1400 meters, 1500 meters, 1600 meters, 1800 meters.
The internal diameter of solar chimney can be chosen 1 meter or 100 meters, also can select 5 meters, 10 meters, 15 meters, 20 meters, 30 meters, 40 meters, 50 meters, 60 meters, 70 meters, 80 meters, 90 meters.
The area of solar energy heating canopy can be 0.00001 square kilometre, can also be 300 square kilometres, also can select 0.0001 square kilometre, 0.001 square kilometre, 0.01 square kilometre, 0.1 square kilometre, 1 square kilometre, 2 square kilometres, 10 square kilometres, 50 square kilometres, 100 square kilometres, 200 square kilometres.
The combining site of solar energy heating canopy and solar chimney is equal to or greater than the distance of the periphery of solar energy heating canopy apart from horizontal plane apart from the distance of horizontal plane.
The compound light transmissive material that the material of solar energy heating canopy can select light-passing plastic material or transparent glass material or be made up of plastic and glass.
The shape of solar energy heating canopy can be circular oval or fan-shaped or rectangle or Polygons or irregularly shaped.
A kind of Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange of the present invention, it is better to be suitable for building solar energy resources in, and the density of population is less, area vast in territory.The solar energy heating canopy builds up with plastics or glass or by the transparent materials such as matrix material that plastic and glass is formed, and with framework as support.Leave certain interval with ground around the thermal-arrest canopy, about 70%～90% sun visible light can pass transparent thermal-arrest canopy, is that the industrial sewage of non-volatile substance or waste water absorb and heats up by canopy maritime interior waters or brackish water or contained pollutent.There is moisture gradient between the steam of the freezing air of import and water surface in the canopy, promoting the water evaporation enters the interior air of canopy and is tending towards saturated, simultaneously the seawater of freezing air and intensification or brackish water or contained pollutent are to have thermograde between the industrial sewage of non-volatile substance or waste water in the canopy, impel and carry out heat exchange between the two, the freezing air in the last canopy becomes saturated damp-heat air.Damp-heat air is done upward movement owing to density descends, and improves the rate of diffusion of saturated damp-heat air in case of necessity by the drainage approach, makes it enter the condensing heat-exchange tube bank at thermal-arrest canopy middle part.Condensing heat-exchange is restrained little with thermal resistance and material good heat-transfer makes, and the cold dry air in arriving the outer saturated damp-heat air of pipe and managing carries out heat exchange by tube wall, and the cold dry air in the outside atmosphere that impels of heat exchange constantly is inhaled in the prolong.The condensation heat release on tube wall of water vapor in the damp-heat air becomes liquid condensation water, water of condensation flows into water storage device along tube wall can get fresh water, cold dry air heat exchange in the pipe simultaneously enters the top chimney after heating up, and carries out wind-power electricity generation by the wind turbine generator group of chimney ingress.

Claims (7)

1. Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange, on the solar energy heating canopy, be provided with solar chimney, it is characterized in that below described solar chimney inlet, being provided with the indirect condensing device, be provided with the wind turbine generator group at described solar chimney inlet.
2. according to the described Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange of claim 1, the height that it is characterized in that described solar chimney is a 5-2000 rice, and the internal diameter of described solar chimney is a 1-100 rice.
3. according to the described Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange of claim 1, the area that it is characterized in that described solar energy heating canopy is 0.00001-300 square kilometre.
4. according to the described Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange of claim 1, it is characterized in that the combining site of described solar energy heating canopy and described solar chimney is equal to or greater than the distance of the described horizontal plane of periphery distance of described solar energy heating canopy apart from the distance of horizontal plane.
5. according to claim 1 or 2 or 3 described Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange, the material that it is characterized in that described solar energy heating canopy is light-passing plastic material or transparent glass material or the compound light transmissive material be made up of plastic and glass.
6. according to claim 1 or 2 or 3 described Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange, what it is characterized in that described solar energy heating canopy is shaped as circle oval or fan-shaped or rectangle or Polygons or irregularly shaped.
7. according to the described Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange of claim 3, the area that it is characterized in that described solar energy heating canopy is 0.01-50 square kilometre.
CNB2004100939232A 2004-12-14 2004-12-14 Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange Expired - Fee Related CN1331764C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100939232A CN1331764C (en) 2004-12-14 2004-12-14 Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100939232A CN1331764C (en) 2004-12-14 2004-12-14 Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange

Publications (2)

Publication Number Publication Date
CN1623915A true CN1623915A (en) 2005-06-08
CN1331764C CN1331764C (en) 2007-08-15

Family

ID=34766427

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100939232A Expired - Fee Related CN1331764C (en) 2004-12-14 2004-12-14 Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange

Country Status (1)

Country Link
CN (1) CN1331764C (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671057B (en) * 2009-10-14 2011-03-23 国家海洋局天津海水淡化与综合利用研究所 Distillation and desalination system for comprehensively utilizing solar energy chimney and windmill and desalination method thereof
CN102454551A (en) * 2010-10-29 2012-05-16 林莽 Air-deflector type double-layer air-channel wind driven generator
CN104402078A (en) * 2014-12-05 2015-03-11 河海大学常州校区 Double chimney tracking solar energy sea water desaltation system and desaltation method thereof
CN104420697A (en) * 2013-09-02 2015-03-18 冯镇华 Environmental ecological intelligent circulating system for solar comprehensive utilization
CN104528853A (en) * 2014-12-05 2015-04-22 河海大学常州校区 Double-chimney embedded type solar seawater desalination system and desalination method thereof
CN106629948A (en) * 2017-01-18 2017-05-10 河海大学 Condenser for chimney type solar electricity generating and seawater desalting device
CN108275701A (en) * 2018-03-14 2018-07-13 天津大学 A kind of solar energy power generating and salt manufacturing integrated system
CN108298566A (en) * 2018-03-14 2018-07-20 天津大学 A kind of photovoltaic chimney salt making system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101358578B (en) * 2008-08-05 2012-05-09 河海大学 Chimney generation and desalination device by solar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1270928A (en) * 2000-05-19 2000-10-25 孙伯鲁 All-weather solar-wind energy sea water desalting and water supply engineering
CN1498854A (en) * 2002-11-07 2004-05-26 武绍之 Power generation system utilizing seawater desalination

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671057B (en) * 2009-10-14 2011-03-23 国家海洋局天津海水淡化与综合利用研究所 Distillation and desalination system for comprehensively utilizing solar energy chimney and windmill and desalination method thereof
CN102454551A (en) * 2010-10-29 2012-05-16 林莽 Air-deflector type double-layer air-channel wind driven generator
CN102454551B (en) * 2010-10-29 2014-09-17 林莽 Air-deflector type double-layer air-channel wind driven generator
CN104420697B (en) * 2013-09-02 2017-09-22 冯镇华 Solar energy composite utilizes environmental and ecological intelligent circulation system
CN104420697A (en) * 2013-09-02 2015-03-18 冯镇华 Environmental ecological intelligent circulating system for solar comprehensive utilization
CN104402078B (en) * 2014-12-05 2016-06-08 河海大学常州校区 A kind of two chimney type motion tracking solar seawater desalination system and desalination method thereof
CN104528853A (en) * 2014-12-05 2015-04-22 河海大学常州校区 Double-chimney embedded type solar seawater desalination system and desalination method thereof
CN104402078A (en) * 2014-12-05 2015-03-11 河海大学常州校区 Double chimney tracking solar energy sea water desaltation system and desaltation method thereof
CN106629948A (en) * 2017-01-18 2017-05-10 河海大学 Condenser for chimney type solar electricity generating and seawater desalting device
CN106629948B (en) * 2017-01-18 2019-05-28 河海大学 A kind of chimney type solar power generation and desalination plant condenser
CN108275701A (en) * 2018-03-14 2018-07-13 天津大学 A kind of solar energy power generating and salt manufacturing integrated system
CN108298566A (en) * 2018-03-14 2018-07-20 天津大学 A kind of photovoltaic chimney salt making system
CN108298566B (en) * 2018-03-14 2023-12-26 天津大学 Salt making system of solar photovoltaic chimney

Also Published As

Publication number Publication date
CN1331764C (en) 2007-08-15

Similar Documents

Publication Publication Date Title
CN203934432U (en) A kind of wind light mutual complementing air condensed water automatic irrigation device
CN1293301C (en) High efficiency solar electricity generator
Angappan et al. An extensive review of performance enhancement techniques for pyramid solar still for solar thermal applications
CN106892476B (en) Sea water desalination device
CN101671057B (en) Distillation and desalination system for comprehensively utilizing solar energy chimney and windmill and desalination method thereof
CN205503363U (en) Geothermal energy and complemental multi -functional hot flow power system of solar energy
CN106234077A (en) That can not keep the sun off and that light quantity is variable photovoltaic greenhouse
CN1331764C (en) Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange
CN104213731A (en) Photovoltaic greenhouse building energy source device
CN215439746U (en) Solar water dispenser based on honeycomb bionic evaporator
CN106966453A (en) The sea water desalinating unit and system of wind light mutual complementing coupling
CN109611296A (en) A kind of system that can be carried out power generation using solar energy and underground heat and produce water
Sun et al. Optimal design for floating solar still by structural modification: A review
CN111453802A (en) High-efficient thermal evaporation sea water desalination device
CN208594156U (en) A kind of energy-saving environment-protecting type nature water purification system
CN1331765C (en) Comprehensive system for preparing fresh water and hydraelectric generation by solar energy chimney indirect condensing heat-exchange
CN115717418A (en) Artificial precipitation power generation method and system
CN2417694Y (en) Day-light multifunction biological greenhouse
CN104179373A (en) Multilayer light shed energy device
CN201973916U (en) Multifunctional solar energy comprehensive utilization device
CN106145489B (en) It is a kind of based on the coupled low temperature multi-effect sea water desalting system provided multiple forms of energy to complement each other
CN211255332U (en) Solar desalination device of high-efficient all-weather work
CN1587689A (en) Method and device for generation by solar energy
CN202322420U (en) Seawater desalination system
CN219217615U (en) Marine solar sea water desalination device based on flue gas waste heat utilization

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Guangxi pan Construction Energy Technology Co., Ltd.

Assignor: Tianjin University

Contract fulfillment period: 2009.7.25 to 2024.12.13 contract change

Contract record no.: 2009120000192

Denomination of invention: Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange

Granted publication date: 20070815

License type: Exclusive license

Record date: 2009.8.25

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.25 TO 2024.12.13; CHANGE OF CONTRACT

Name of requester: GUANGXI FANZHOU CONSTRUCTION ENERGY SCIENCE AND TE

Effective date: 20090825

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070815

Termination date: 20111214