Patents Assigned to INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCES
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Patent number: 11892234Abstract: The present disclosure provides a supercritical compressed air energy storage system. The supercritical compressed air energy storage system includes a supercritical liquefaction subsystem, an evaporation and expansion subsystem, a staged cryogenic storage subsystem, a heat storage and heat exchange subsystem, and a cryogenic energy compensation subsystem, the staged cryogenic storage subsystem being used for implementing the staged storage and release of cryogenic energy, improving efficiency of recovering cryogenic energy during energy release and energy storage, and thereby improving cycle efficiency of the system. The present disclosure does not need to provide any inputs of additional cryogenic energy and heat energy input externally, and has the advantages of high cycle efficiency, low cost, independent operation, environmental friendliness, and no limitation on terrain conditions, and it is suitable for large-scale commercial applications.Type: GrantFiled: June 1, 2017Date of Patent: February 6, 2024Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Xipeng Lin, Liang Wang, Haisheng Chen, Ningning Xie, Zheng Yang
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Patent number: 11422057Abstract: A dynamic five-hole probe includes a pressure sensing part, a pressure measuring hole transition section, a pressure acquisition section, dynamic pressure sensors and flexible wall pressure buffering tubes, the pressure sensing part being provided with pressure measuring holes to sense three dimensional dynamic pressure components of an airflow; the pressure measuring hole transition section transits from an inlet end surface five-hole structure into an outlet end surface five-hole structure; the pressure acquisition section has therein a centrally symmetric pressure measuring hole structure; pressure sensor mounting holes are in communication with the five pressure measuring holes; each of the dynamic pressure sensors is mounted in a corresponding one of the sensor mounting holes to measure a dynamic pressure of the airflow. The pressure sensing part may have a diameter of 3 mm or less.Type: GrantFiled: October 31, 2017Date of Patent: August 23, 2022Assignee: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Sichen Wang, Juan Du, Fan Li, Zhiting Tong, Chaoqun Nie, Hongwu Zhang
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Patent number: 11268870Abstract: A haptic signalizing device comprises a number of piezoelectric elements arranged below a device surface such that mechanical deformations caused by the converse piezoelectric effect in the at least one piezoelectric element make the device surface to move such that the device surface follows the piezoelectric element and a driving circuit configured to cause the converse piezoelectric effect on the at least one piezoelectric element by generating an alternating electric field over the piezoelectric element in a bipolar fashion, that is, consecutively in both the same and the opposite direction with respect to the polarization of the piezoelectric element, to make the piezoelectric element to move beyond its initial position consecutively in both directions.Type: GrantFiled: October 31, 2017Date of Patent: March 8, 2022Assignee: INSTITUTE OF ENGINEERING THERMOPHYSIC, CHINESE ACADEMY OF SCIENCESInventors: Fan Li, Juan Du, Sichen Wang, Hongwu Zhang, Chaoqun Nie
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Patent number: 11092359Abstract: The present disclosure provides a photovoltaic-photothermal reaction complementary full-spectrum solar utilization system, comprising: a waveband thermal reactor having a reactant flow channel and a reaction chamber therein, a photovoltaic cell attached to a surface of the waveband thermal reactor, and a full spectrum concentrator configured to concentrate full spectrum sunlight onto a surface of the photovoltaic cell, wherein the full spectrum concentrating device concentrates the full spectrum sunlight onto a upper surface of the opaque or transmissive photovoltaic cell, wherein a portion of the sunlight is converted into electric energy and another portion of the sunlight is converted into thermal energy, and wherein the thermal energy is utilized by the waveband thermal reactor to preheat reactant(s) in the reaction chamber and to make a portion of the reactant(s) to undergo an endothermic chemical reaction such that the thermal energy is stored as chemical energy.Type: GrantFiled: February 6, 2016Date of Patent: August 17, 2021Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Hongguang Jin, Hui Hong, Yong Hao, Jie Sun, Yawen Zhao, Wenjia Li, Qibin Liu
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Publication number: 20200393315Abstract: A high frequency response pressure sensor based on direct current glow discharge plasma principle is provided, including: discharging electrodes including a cathode and an anode and used for generating a plasma between the cathode and the anode under the effect of a high voltage direct current power supply; a support structure used for supporting and fixing the discharging electrodes and ensuring that a stable gap is provided between the cathode and the anode; and a shielding casing used for shielding the plasma from an external gas so that the plasma remains unaffected by a flow speed of the external gas and senses only a change in pressure of the external gas. The high frequency response pressure sensor is not affected by mass inertia and has the potential of breaking through MHz high frequency response.Type: ApplicationFiled: October 31, 2017Publication date: December 17, 2020Applicant: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Fan LI, Juan DU, Sichen WANG, Hongwu ZHANG, Chaoqun NIE
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Publication number: 20200217748Abstract: A dynamic five-hole probe includes a pressure sensing part, a pressure measuring hole transition section, a pressure acquisition section, dynamic pressure sensors and flexible wall pressure buffering tubes, the pressure sensing part being provided with pressure measuring holes to sense three dimensional dynamic pressure components of an airflow; the pressure measuring hole transition section transits from an inlet end surface five-hole structure into an outlet end surface five-hole structure; the pressure acquisition section has therein a centrally symmetric pressure measuring hole structure; pressure sensor mounting holes are in communication with the five pressure measuring holes; each of the dynamic pressure sensors is mounted in a corresponding one of the sensor mounting holes to measure a dynamic pressure of the airflow. The pressure sensing part may have a diameter of 3 mm or less.Type: ApplicationFiled: October 31, 2017Publication date: July 9, 2020Applicant: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Sichen WANG, Juan DU, Fan LI, Zhiting TONG, Chaoqun NIE, Hongwu ZHANG
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Patent number: 10495298Abstract: A water-cooled column (4) used in a circulating fluidized bed boiler furnace is disclosed, wherein the water-cooled column is formed by connecting membrane water-cooled walls (41). The water-cooled column (4) includes a lower section (A), an upper section and a transition section. The lower section (A) is a single column and is provided with inner secondary air ports (400) on a side wall thereof. The upper section includes a plurality of sub-columns (B, C). The membrane water-cooled walls at the lower section (A) extend to the upper section through the transition section. Each of the sub-columns (B, C) is formed by connecting extension portions extending upward from respective membrane water-cooled walls (41) in the membrane water-cooled walls (41), which are connected to form the lower section (A), and the plurality of sub-columns (B, C) are separated from each other.Type: GrantFiled: October 13, 2014Date of Patent: December 3, 2019Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Qinggang Lv, Xiaofang Wang, Ming Gao, Guoliang Song, Dongyu Wang
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Patent number: 10174937Abstract: The present disclosure provides a method for distributing gas for oxy-fuel combustion on a circulating fluidized bed. In the method, the gas is provided by three stages into a furnace of the circulating fluidized bed. The method includes: blowing in a first-stage gas containing oxygen and recycled flue gas from the bottom of the furnace; blowing in a second-stage gas containing recycled flue gas from a transition zone between a dense-phase zone and a dilute-phase zone of the furnace; and blowing in a third-stage gas containing oxygen from a side wall of the furnace.Type: GrantFiled: November 6, 2014Date of Patent: January 8, 2019Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Shiyuan Li, Jingzhang Liu, Qiangqiang Ren, Ming Gao, Qinggang Lv, Jianguo Zhu, Wei Li, Haoyu Li, Yongjie Na, Shaolin Bao
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Patent number: 10156354Abstract: A circulating fluidized bed boiler is disclosed.Type: GrantFiled: October 27, 2011Date of Patent: December 18, 2018Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Qinggang Lv, Yunkai Sun, Guoliang Song, Dongyu Wang, Shaolin Bao, Ming Gao, Shiyuan Li
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Patent number: 9772104Abstract: The present invention provides a circulating fluidized bed boiler, comprising: furnace side walls; a ceiling; an air distribution plate provided at a bottom of a furnace; and at least one air distribution cone provided on the air distribution plate, wherein each air distribution cone extends upwards from the air distribution plate into an interior of the furnace and has a shape gradually tapered in an extending direction, cone side walls which form the air distribution cone are provided with secondary air ports, the cone side walls are separated from the furnace side walls, and a furnace combustion space is formed and surrounded by the ceiling, the furnace side walls, the air distribution plate, and the cone side walls.Type: GrantFiled: December 24, 2013Date of Patent: September 26, 2017Assignee: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Qinggang Lv, Ming Gao, Guoliang Song, Xiaofang Wang, Yunkai Sun, Dongyu Wang, Tuo Zhou
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Patent number: 9631553Abstract: A coal gasification process is provided based on the grading conversion of carbon hydrogen components of coal, wherein the coal gasification process comprises a carbonization process, a carbon monoxide-producing process and a shift reaction process. By blending the coke-oven gas, carbon monoxide and hydrogen produced in the above processes in different ratios, coal gasification syngases with various carbon hydrogen ratios can be obtained. Further, the coal gasification process does not need pure oxygen to take part in the reactions, and has several advantages, such as high gasification efficiency, low equipment investment costs, less limitation on the types of coal and flexible adjustment of the gasification products.Type: GrantFiled: May 22, 2013Date of Patent: April 25, 2017Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Hongguang Jin, Xiaosong Zhang
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Patent number: 9599331Abstract: Embodiments of the invention provide a water-cooled column formed by side walls connected together to define an enclosed space, each side wall is formed of a water-cooled membrane wall, a working medium is passed through a tube of the water-cooled membrane wall from bottom to top, the water-cooled column comprising: a lower part having a cross section reduced segment, which has a cross section gradually reduced in a direction from bottom to top; and an upper part, wherein the upper part connects with the cross section reduced segment at a connection position, and a cross sectional area of the cross section reduced segment at the connection position is identical to a cross sectional area of the upper part at the connection position. Embodiments of the invention also provide a furnace for defining a reaction space, which comprises a water-cooled column defined as above disposed along a vertical direction therein.Type: GrantFiled: October 8, 2014Date of Patent: March 21, 2017Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Qinggang Lv, Ming Gao, Dongyu Wang, Xiaofang Wang
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Patent number: 9518730Abstract: A large-size circulating fluidized bed boiler, comprising: a furnace having a vertical furnace center line; and at least two groups of cyclones, each cyclone of each group of cyclones having an inlet gas pass communicated with the furnace. A furnace cross section formed by outer sidewalls and located at the inlet gas pass of the cyclone is a polygon having 2×n sides, and n is a positive integer greater than 1. The polygon is axially symmetric with respect to a perpendicular bisector of each side of the polygon, and when n is 2, the polygon is a square. Triangles formed by two endpoints of an inlet of the inlet gas pass of each cyclone at the cross section and an intersection of the furnace center line and the cross section are congruent. A single flow field in communication with each of the inlet is formed in the cross section.Type: GrantFiled: January 19, 2012Date of Patent: December 13, 2016Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Qinggang Lu, Ming Gao, Yunkai Sun, Guoliang Song, Xiaofang Wang, Yongjie Na, Dongyu Wang, Haigang Wang
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Patent number: 9476585Abstract: A water-cooling U-valve is composed of a downcomer (1), a riser (2), and a return chute (3), which are sequentially connected. An intermediate partition (4) is disposed between the downcomer (1) and the riser (2), the lower parts of the downcomer (1) and the riser (2) are interconnected. A material returning partition (5) is disposed between the riser (2) and the return chute (3), the upper parts of the riser (2) and the return chute (3) are interconnected. The casing of U-valve comprises membrane walls, the inside of the membrane walls are laid with refractory. Some water-cooling tubes of the membrane walls extend into the inside of the U-valve, forming the water cooing intermediate partition (4) and material returning partition (5). The headers (40, 50) are connected with the headers (33, 13) formed by some water-cooling tubes of membrane walls by connecting tubes (7, 8).Type: GrantFiled: June 24, 2010Date of Patent: October 25, 2016Assignee: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Qinggang Lu, Yunkai Sun, Ming Gao, Shaolin Bao, Shiyuan Li, Dongyu Wang, Yongjie Na
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Publication number: 20160201898Abstract: The present disclosure provides a method for distributing gas for oxy-fuel combustion on a circulating fluidized bed. In the method, the gas is provided by three stages into a furnace of the circulating fluidized bed. The method includes: blowing in a first-stage gas containing oxygen and recycled flue gas from the bottom of the furnace; blowing in a second-stage gas containing recycled flue gas from a transition zone between a dense-phase zone and a dilute-phase zone of the furnace; and blowing in a third-stage gas containing oxygen from a side wall of the furnace.Type: ApplicationFiled: November 6, 2014Publication date: July 14, 2016Applicant: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Shiyuan Li, Jingzhang Liu, Qiangqiang Ren, Ming Gao, Qinggang Lv, Jianguo Zhu, Wei Li, Haoyu Li, Yongjie Na, Shaolin Bao
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Patent number: 9328659Abstract: The present invention provides a distributed combined cooling, heating and power generating apparatus with an internal combustion engine by combining solar energy and alternative fuel and a method thereof, the apparatus comprising: an energy storage system for combined reaction between solar energy and alternative fuel, a solar fuel internal combustion engine generating system, a lithium bromide refrigeration system for absorbing exhaust heat of flue gas of solar fuel, a reaction device for recovering exhaust heat of flue gas, a heat exchanger for recovering exhaust heat of exhaust gas and a cylinder jacket and water plate heat exchanger.Type: GrantFiled: November 13, 2012Date of Patent: May 3, 2016Assignee: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Hongguang Jin, Hui Hong, Qibin Liu, Wei Han, Jun Sui
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Patent number: 9316124Abstract: The present invention provides a power generating system by combining medium-and-low temperature solar energy and fossil fuel with thermochemical process, the system comprising: a material supply device configured to store fossil fuel; a material mixing device configured to mix the fossil fuel with non-reacted reactant; a material metering device configured to control an amount of material fed to a material preheating device in unit time; a material preheating device configured to heat the material; a solar energy absorption and reaction device configured to drive the fossil fuel by using solar thermal energy absorbed to make a decomposition reaction or reforming reaction, through which the solar energy is converted to chemical energy of hydrogen-rich fuel, obtaining solar-energy fuel; a solar energy heat collecting device configured to collect the solar energy with low energy flux density to medium-and-low temperature solar thermal energy with high energy flux density, so as to provide heat to decompositionType: GrantFiled: November 13, 2012Date of Patent: April 19, 2016Assignee: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Hongguang Jin, Qibin Liu, Hui Hong, Jun Sui, Wei Han
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Patent number: 9234662Abstract: A fuel-air premixer for use in a combustor of a gas turbine includes an air inlet, a fuel inlet, a shroud, a central body and a cascade of vanes. The premixer mixes fuel and air in the annular mixing passage into a uniform mixture for injecting into a combustor reaction zone. The air from a compressor is injected into the mixer through an air inlet. The fuel is introduced into air stream via fuel injection holes that pass through the walls of the vanes which contain internal fuel flow passages. The flow field inside the premixer is broken up by the arrayed vanes into a series of small regions each containing a well designed small size mixing eddy which is steadily attached to the surface of the vanes.Type: GrantFiled: November 13, 2012Date of Patent: January 12, 2016Assignee: The Institute of Engineering Thermophysics, The Chinese Academy of SciencesInventors: Yue Wang, Zongming Yu, Wenjun Kong, Baorui Wang, Yuhua Ai
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Patent number: 9217423Abstract: Disclosed is an energy storage system using supercritical air, comprising a compressor unit, a heat exchanger and storage device, a cold exchanger and storage device, a cryogenic tank, a throttling valve, at least one cryogenic pump, an expander unit, a generator, and a driver unit. There are several advantages of this invention, including high energy density, high efficiency, no storage cycle and geographical conditions restriction, easy implementation with all kinds of power stations, environment friendliness and capability of recycling low to medium temperature waste heat and so on.Type: GrantFiled: August 31, 2010Date of Patent: December 22, 2015Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Haisheng Chen, Chunqing Tan, Jia Liu, Yujie Xu
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Publication number: 20150292404Abstract: A coal gasification process is provided based on the grading conversion of carbon hydrogen components of coal, wherein the coal gasification process comprises a carbonization process, a carbon monoxide-producing process and a shift reaction process. By blending the coke-oven gas, carbon monoxide and hydrogen produced in the above processes in different ratios, coal gasification syngases with various carbon hydrogen ratios can be obtained. Further, the coal gasification process does not need pure oxygen to take part in the reactions, and has several advantages, such as high gasification efficiency, low equipment investment costs, less limitation on the types of coal and flexible adjustment of the gasification products.Type: ApplicationFiled: May 22, 2013Publication date: October 15, 2015Applicant: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Hongguang Jin, Xiaosong Zhang