WO2021093738A1 - Procédé à cycle thermodynamique et moteur thermique pour la mise en œuvre du procédé - Google Patents
Procédé à cycle thermodynamique et moteur thermique pour la mise en œuvre du procédé Download PDFInfo
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- WO2021093738A1 WO2021093738A1 PCT/CN2020/127889 CN2020127889W WO2021093738A1 WO 2021093738 A1 WO2021093738 A1 WO 2021093738A1 CN 2020127889 W CN2020127889 W CN 2020127889W WO 2021093738 A1 WO2021093738 A1 WO 2021093738A1
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
Definitions
- thermodynamic cycle theory and practice of existing heat engines there are a large number of treatises, textbooks, and papers on the thermodynamic cycle theory and practice of existing heat engines, so I won’t repeat them here; according to the existing thermodynamic cycle methods, various types of heat engines have approached high parameters, high thermal efficiency, and large capacity.
- the structural composition is becoming more and more complex and sophisticated, which has also led to increasing costs. There is room for further improvement, but it is already very difficult.
- Most internal combustion engines can only use fossil fuels such as petroleum products.
- Aviation engines can only burn aviation gasoline and aviation kerosene. Automobile engines can only burn gasoline and diesel. Even the combustion of natural gas has to undergo complex modifications. In order to improve efficiency, the combustion temperature is increased.
- Heat energy introduction stage the heat energy of the heat source is transferred to the heat storage carrier and enters the preset closed chamber
- Figure 9 is a schematic cross-sectional view of a static heater
- Figure 19 is a schematic diagram of the composition of the micro-hole injection structure
- the aerodynamic noise of the above models is relatively large, which is not much different from the existing internal combustion engine, and the air flow is unstable; if the internal circulation of the working fluid is adopted, the noise will be greatly reduced, and even the operation is silent, and the air flow is stable and quiet. ; In order to ensure the temperature difference between the working gas before and after the work is done, a structure for cooling the working gas is provided, and a part of the heat of the working gas is stored in the corresponding heat storage structure, so that the temperature of the working gas after the work is controlled below the predetermined limit.
- the heater can be divided into two designs.
- One is a stationary type with a fixed heat sink. Its cross-section is as shown in Figure 9.
- Each branch of the heat-conducting plate 55 in the enclosed space of the pressure-resistant casing goes deep into the cross-section of the heat exchanger casing.
- a large number of fixed and thin heat sinks 60 are arranged in accordance with the principle of the largest heat exchange area to connect with the heat conducting plate.
- the heat conducting plate and the heat sink are made of materials with good thermal conductivity and convection heat transfer performance and high temperature resistance, such as copper, silver, etc. Metal materials, copper alloys, silicon carbide materials, etc., can also combine the advantages of the two to form a composite structure.
- the high-temperature air enters the expansion work chamber and pushes the return air piston to move to the right, driving the power output mechanism to perform work; 3.
- the piston plate 62 moves to the lower limit while the return air piston moves to the right Limit, enter the next stage, the return air piston moves to the left under the pressure of the closed air chamber, driving high-temperature air to be discharged from the high-temperature exhaust valve, and at the same time, the push-pull structure 64 pulls the piston plate 62 to move upward, pushing the heat sink 61 to gather together , And squeeze out the high-temperature air in the fin gap, driving it into the expansion work chamber; at the same time, the air inlet 66 is opened and cold air enters; 4. At this time, the air return piston moves to the left limit position, and the piston plate 62 moves to the upper limit position. Start the next cycle.
- the exhausted high-temperature air can be used as preheating combustion gas and directly sent back to the combustion furnace and other heat sources to recover all the heat; however, due to the different design of the combustion furnace heat source recovery flue gas heat, there may be conflicts, so other methods of recovering the high-temperature air heat energy are not ruled out .
- a medium-sized electric passenger car uses a new type of heat engine generator set, the fuel uses biomass particles, combined with the clean gas generator disclosed in the international application PCT/CN2018/106670, converts the biomass particles into medium-calorific value gas, and sends it to the diagram shown in Figure 6.
- the temperature of the working fluid can be lowered to a lower temperature at this time, and the heat conduction plate of the low-temperature gas chamber will export heat and store it in the thermal energy storage mechanism.
- a certain type of intelligent variable temperature air-conditioning suit uses the device of this application as shown in Figure 6 to make a micro-generator set to replace the battery as the power.
- the power is about 200 watts, so as to completely solve a series of problems such as limited battery capacity and limited power: vegetable oil can be used as fuel.
- One liter of vegetable oil can maintain 24 hours of power, including mobile phones, computers, dynamic balance vehicles, motorcycles and other portable equipment, including power or electricity; high temperature exhaust gas in winter replaces heating vests; summer fan blowing and cooling; (30 watts) (Inside); can directly drive micro refrigeration compressors and other applications according to demand, and can use micro compressors produced by Shenzhen Cooling Times Company.
- the weight is less than 900 grams. The whole set of equipment and the engine are less than three kilograms.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
L'invention concerne un procédé à cycle thermodynamique et un moteur thermique servant à mettre en œuvre ledit procédé ; le cycle thermodynamique consiste : à utiliser un régénérateur en nid d'abeilles céramique à haute température (2) pour réaliser une fonction d'échange de chaleur rapide et générant un bon rendement sur un gaz pour permettre à un gaz à basse température d'échanger rapidement de la chaleur et de se dilater dans une chambre fermée de façon à obtenir une pression et un travail, ou à utiliser un matériau thermoconducteur à haut rendement pour introduire rapidement de la chaleur dans la chambre fermée, à échanger rapidement de la chaleur avec le gaz à basse température, à réaliser un chauffage et une dilatation pour obtenir une pression et un travail, et à produire de l'énergie, et à récupérer de l'énergie thermique d'un gaz d'échappement pour améliorer considérablement le rendement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202080079897.5A CN115280008A (zh) | 2020-04-13 | 2020-11-10 | 热力循环方法及实现该方法的热机 |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103314.3 | 2019-11-11 | ||
| CN201911103314 | 2019-11-11 | ||
| CN202010287815 | 2020-04-13 | ||
| CN202010287815.8 | 2020-04-13 | ||
| CN202010394795.4 | 2020-05-11 | ||
| CN202010394795 | 2020-05-11 | ||
| CN202011142048.8 | 2020-10-21 | ||
| CN202011142048 | 2020-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021093738A1 true WO2021093738A1 (fr) | 2021-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/127889 WO2021093738A1 (fr) | 2019-11-11 | 2020-11-10 | Procédé à cycle thermodynamique et moteur thermique pour la mise en œuvre du procédé |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2021093738A1 (fr) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020014049A (ko) * | 2000-08-16 | 2002-02-25 | 김승우 | 개방형 스터링 사이클 방식으로 작동하는 초소형 운반체용외연기관 |
| CN103382902A (zh) * | 2013-07-17 | 2013-11-06 | 万斌 | 一种用于发电的集成式斯特林发动机 |
| CN103912405A (zh) * | 2014-04-30 | 2014-07-09 | 郭远军 | 一种平行运动热能动力机器及其做功方法 |
| CN203717159U (zh) * | 2013-12-18 | 2014-07-16 | 杨浩仁 | 外热式发动机 |
| CN106593687A (zh) * | 2016-12-23 | 2017-04-26 | 中国南方航空工业(集团)有限公司 | 冷热双缸外转子发动机 |
| CN107461276A (zh) * | 2017-07-26 | 2017-12-12 | 中国科学院理化技术研究所 | 一种小型分布式冷热电联供系统 |
| CN108386295A (zh) * | 2018-04-19 | 2018-08-10 | 中国华能集团清洁能源技术研究院有限公司 | 一种一体式生物质发电装置 |
-
2020
- 2020-11-10 WO PCT/CN2020/127889 patent/WO2021093738A1/fr active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020014049A (ko) * | 2000-08-16 | 2002-02-25 | 김승우 | 개방형 스터링 사이클 방식으로 작동하는 초소형 운반체용외연기관 |
| CN103382902A (zh) * | 2013-07-17 | 2013-11-06 | 万斌 | 一种用于发电的集成式斯特林发动机 |
| CN203717159U (zh) * | 2013-12-18 | 2014-07-16 | 杨浩仁 | 外热式发动机 |
| CN103912405A (zh) * | 2014-04-30 | 2014-07-09 | 郭远军 | 一种平行运动热能动力机器及其做功方法 |
| CN106593687A (zh) * | 2016-12-23 | 2017-04-26 | 中国南方航空工业(集团)有限公司 | 冷热双缸外转子发动机 |
| CN107461276A (zh) * | 2017-07-26 | 2017-12-12 | 中国科学院理化技术研究所 | 一种小型分布式冷热电联供系统 |
| CN108386295A (zh) * | 2018-04-19 | 2018-08-10 | 中国华能集团清洁能源技术研究院有限公司 | 一种一体式生物质发电装置 |
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