多喷嘴对置式水煤浆加压气化孙正泰23页PPT

多喷嘴对置式水煤浆气化工艺流程英文回答：Multi-Injection Opposed Coal-Water Slurry Gasification Technology Process.Introduction.Multi-injection opposed coal-water slurry gasification technology is an innovative and efficient method for converting coal-water slurry (CWS) into syngas, a versatile fuel used in a wide range of applications. This advanced technology offers numerous advantages over conventional gasification processes, including increased efficiency, reduced emissions, and flexibility in fuel utilization.Process Description.The multi-injection opposed coal-water slurry gasification process comprises several key stages:1. Slurry Preparation: Coal is crushed and blended with water to form a homogeneous coal-water slurry.2. Injection: The CWS is injected into the gasification reactor through multiple nozzles.3. Reaction: The CWS undergoes a series of chemical reactions in the reactor, including pyrolysis, gasification, and combustion.4. Syngas Production: The product of the gasification process is syngas, a mixture of hydrogen, carbon monoxide, and other gases.5. Purification: The syngas is purified to remove impurities and contaminants.6. End Use: The purified syngas can be used as a fuelfor various applications, such as power generation,industrial heating, and transportation.Advantages of Multi-Injection Opposed Coal-Water Slurry Gasification.High Efficiency: The multi-injection design optimizes reaction conditions, leading to more efficient conversion of CWS into syngas.Low Emissions: The technology minimizes emissions of pollutants, such as sulfur dioxide and nitrogen oxides, by controlling combustion and utilizing advanced purification techniques.Fuel Flexibility: The gasification process can handle a wide range of coal types and qualities, providing operational flexibility.Compact Design: The reactor design is compact and modular, allowing for easier installation and maintenance.Economic Viability: The technology offers competitive operating costs and potential revenue streams from syngas utilization.Applications.Multi-injection opposed coal-water slurry gasification technology has a broad range of applications, including:Power Generation: Syngas can be used as a clean and efficient fuel for power plants.Industrial Heating: Syngas can be utilized forindustrial processes that require high-temperature heat.Hydrogen Production: The syngas can be processed to extract hydrogen, a valuable clean fuel.Chemical Feedstock: Syngas is an essential feedstockfor the production of various chemicals and pharmaceuticals.Environmental Impact.Multi-injection opposed coal-water slurry gasification technology has a positive impact on the environment:Reduced Carbon Emissions: By converting coal into syngas, the technology reduces carbon dioxide emissions compared to direct coal combustion.Air Pollution Control: Advanced purification techniques effectively remove pollutants from the syngas, mitigating air pollution.Sustainable Fuel Source: The utilization of coal-water slurry provides a sustainable fuel option for various industries.Conclusion.Multi-injection opposed coal-water slurry gasification technology is a promising and environmentally friendly solution for converting coal into a versatile fuel source. Its high efficiency, low emissions, and fuel flexibility make it an attractive option for a wide range of applications. As the demand for clean and sustainable energy sources grows, this innovative technology is poisedto play a significant role in the energy transition.中文回答：多喷嘴对置式水煤浆气化工艺流程。

主流煤气化技术及市场情况系列展示（之一）多喷嘴对置式水煤浆气化技术技术拥有单位：兖矿集团有限公司、华东理工大学编者按：煤气化装置是煤化工的龙头，选择适合的煤气化技术直接关系到整个煤化工装置的安全稳定运行和经济效益，煤气化技术的选择是煤化工装置和煤化工企业的关键点之一。

为了帮助煤化工企业合理地选择气化技术，从本期起，本刊将陆续介绍目前国内主要煤气化技术，从技术特点、主要技术参数、煤种适应性、研发过程、市场开发、典型运用案例、最新动态等方面，全面地展示各种煤气化技术的特点。

此次气化技术展示的所有材料，由相关企业提供，均不代表本刊倾向和观点。

山东兖矿国拓科技工程有限公司是由兖矿集团控股，会同国内著名科研机构、院校、勘察设计单位和企业组建的化工技术研发、推广和技术服务的高科技企业，依靠兖矿集团良好的企业形象、强大的技术研发和技术服务能力，主要从事化工技术开发、技术服务、技术转让、化工工程勘察、设计、施工等业务。

公司立足兖矿自身化工技术的研发与工业化装置，依托华东理工大学、水煤浆气化及煤化工国家工程研究中心、中国天辰工程公司等科研和设计机构，团队具有一流理论水平和实践经验，是典型的产、学、研结合运作模式。

山东兖矿国拓科技工程有限公司与华东理工大学一起向业界推广多喷嘴气化技术，并提供技术理论和工程技术服务支持，公司自2010年7月成立以来，已签订多喷嘴气化技术转让合同15家，与国内外煤化工企业达成合作意向10余项，另与国外多家科研机构和化工企业达成合作意向。

具有完全自主知识产权的多喷嘴对置式煤气化技术由华东理工大学和兖矿集团共同研发，八五期间华东理工大学建立了多喷嘴气化技术数学模型，进行了实验室小试，九五期间兖矿集团承担了多喷嘴气化技术中试，并在兖矿国泰化工有限公司建设多喷嘴气化技术示范工程，2005年第一台千吨级多喷嘴对置式煤气化大型气化炉在兖矿国泰开车成功，由此拉开了我国水煤浆洁净煤大型化的序幕。

多喷嘴对置式水煤浆气化技术主要特征介绍如下：一气化技术特点多喷嘴对置式水煤浆气化工艺是以氧气和水煤浆为原料，采用气流床反应器，在加压非催化条件下进行部分氧化反应，生成以一氧化碳和氢气为有效成分的粗煤气，作为氨和甲醇合成的合成气，或制氢（煤液化、燃料）的原料气、IGCC 发电的燃料气。

科技成果——多喷嘴对置式水煤浆气化技术适用范围化工行业煤制合成气行业现状同等产量条件下常压固定床技术：比氧耗380Nm3O2/kNm3（CO+H2）；有效气成分CO+H2含量60%-70%；碳转化率78%；年消耗71万tce。

成果简介1、技术原理水煤浆、氧气进入气化室后，相继进行雾化、传热、蒸发、脱挥发分、燃烧、气化等6个物理和化学过程，煤浆颗粒在气化炉内经过湍流弥散、振荡运动、对流加热、辐射加热、煤浆蒸发与挥发份的析出和气相反应等，最终形成以CO、H2为主的煤气及灰渣。

产生的合成气经分级净化达到后序工段的要求，同时采用直接换热式渣水处理系统。

2、关键技术多喷嘴对置式水煤浆气化技术采用四喷嘴撞击流、预膜式喷嘴，加强混合，强化热质传递。

关键技术设备包括：（1）由喷淋床与鼓泡床组成的复合床高温煤气洗涤冷却设备；（2）合成气“分级”净化。

由混合器、分离器、水洗塔组成的高效节能型煤气初步净化系统；（3）直接换热式含渣水处理系统；（4）预膜式长寿命高效气化喷嘴；（5）结构新颖的交叉流式洗涤水分布器；（6）国内首次成功实施停运气化烧嘴在线带压投料的操作技术。

3、工艺流程通过喷嘴对置、优化炉型结构及尺寸，在炉内形成撞击流，以强化混合和热质传递过程，并形成炉内合理的流场结构。

主要包括煤浆制备、输送单元，多喷嘴对置式水煤浆气化单元，煤气初步净化单元和含渣水处理单元，其中关键单元为气化、煤气初步净化和含渣水热回收。

图1 多喷嘴对置式水煤浆气化工艺流程图主要技术指标与引进的水煤浆气化技术相比，采用该技术可使比氧耗降低7.9%，比煤耗降低2.2%。

以北宿煤为原料，合成气有效气成分（CO+H2）含量84.9%，比氧耗309Nm3O2/1000Nm3（CO+H2），降低7.9%；比煤耗535kg/1000Nm3（CO+H2），降低 2.2%；碳转化率98.8%，提高2%-3%；产气率2.20Nm3/kg；有效气成分提高2%-3%；CO2含量降低2%-3%。

多喷嘴对置式水煤浆气化工艺流程英文回答：Water-coal slurry gasification is a process that converts coal into a gaseous fuel by mixing it with water and then subjecting it to high temperatures and pressures. This process has gained attention due to its potential to produce clean and efficient energy. In a multi-nozzle opposed configuration, multiple nozzles are used to inject the water-coal slurry into the gasifier, which enhances the gasification efficiency and improves the overall performance of the system.One advantage of the multi-nozzle opposed configuration is the ability to distribute the slurry evenly throughout the gasifier. This ensures that the coal particles are exposed to the optimal conditions for gasification, leading to a more efficient conversion of coal into syngas. Additionally, the use of multiple nozzles allows for better control of the slurry flow rate and distribution, which canhelp to prevent channeling and ensure uniform gasification.Another benefit of the multi-nozzle opposed configuration is the increased residence time of the slurry in the gasifier. By injecting the slurry from multiple nozzles at different locations, the slurry is exposed to the high temperatures and pressures for a longer period of time. This extended residence time promotes the complete gasification of the coal, resulting in higher syngas yields and improved overall gasification efficiency.Furthermore, the multi-nozzle opposed configuration offers flexibility in terms of operation and control. By adjusting the flow rate and location of the slurry injection, the gasifier can be optimized to accommodate different coal types and varying operating conditions. This flexibility allows for better adaptability to changes in coal quality and enables the system to operate at its maximum efficiency.In conclusion, the multi-nozzle opposed configurationin water-coal slurry gasification processes offers severaladvantages, including improved slurry distribution, increased residence time, and operational flexibility. These benefits contribute to higher gasification efficiency and syngas yields. By utilizing this configuration, the potential of water-coal slurry gasification as a clean and efficient energy production method can be fully realized.中文回答：多喷嘴对置式水煤浆气化工艺流程通过将煤与水混合，并在高温高压条件下进行气化，将煤转化为可燃气体燃料。