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国产精品麻豆成人AV电影干法脱硫设备综合分析_行业资讯_麻豆精品久久久资讯-山东麻麻趴跪着掀裙子调教麻豆环保能源设备有限公司

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国产精品麻豆成人AV电影干法脱硫设备综合分析

  一产品材质

  Product Material

  国产精品麻豆成人AV电影干法脱硫设备的材质选择直接影响设备寿命与脱硫稳定性,核心材质分为设备主体材质与脱硫剂材质两类。

  The material selection of biogas dry desulfurization equipment directly affects the equipment life and desulfurization stability. The core materials are divided into two categories: equipment main body material and desulfurizer material.base64_image

  (一)设备主体材质

  (1) Equipment body material

  1.主流材质:以碳钢、不锈钢(如304不锈钢)、玻璃纤维增强塑料(FRP)为主 。其中不锈钢材质因耐腐蚀性能优异,在中高端设备中应用广泛,如普新20L脱硫器便采用304不锈钢铸造;碳钢需经防锈防腐处理,适用于预算有限的中小型项目;玻璃钢则兼具耐腐蚀性与轻量化特点,适合潮湿环境。

  1. Mainstream materials: mainly carbon steel, stainless steel (such as 304 stainless steel), and fiberglass reinforced plastic (FRP). Stainless steel material is widely used in mid to high end equipment due to its excellent corrosion resistance. For example, the Puxin 20L desulfurizer is made of 304 stainless steel casting; Carbon steel needs to undergo rust and corrosion prevention treatment, suitable for small and medium-sized projects with limited budgets; Fiberglass has both corrosion resistance and lightweight characteristics, making it suitable for humid environments.

  2.标准要求:根据NY/T 4064-2021标准,塔体耐压压力不得小于10kPa,最小壁厚依材质不同分别为1mm(玻璃钢)、2mm(不锈钢)、4mm(碳钢),且在10kPa压力下24小时压力变化应小于试验压力的3%。

  2. Standard requirements: According to NY/T 4064-2021 standard, the pressure resistance of the tower body shall not be less than 10kPa, and the minimum wall thickness shall be 1mm (fiberglass), 2mm (stainless steel), and 4mm (carbon steel) depending on the material. The pressure change within 24 hours under 10kPa pressure shall be less than 3% of the test pressure.

  3.辅助部件材质:进出气管、阀门等接触国产精品麻豆成人AV电影的部件多采用耐腐蚀塑料(如聚丙烯PP、聚乙烯PE)或不锈钢,确保气体输送过程无泄漏、无腐蚀 。

  3. Material of auxiliary components: Components such as inlet and outlet pipes, valves, etc. that come into contact with biogas are often made of corrosion-resistant plastics (such as polypropylene PP, polyethylene PE) or stainless steel to ensure no leakage or corrosion during gas transportation.

  (二)脱硫剂材质

  (2) Material of desulfurizer

  1.核心类型:包括氧化铁基材料、活性炭基材料及复合型脱硫剂。氧化铁脱硫剂为行业主流,呈褐红色圆柱状固体,粒径4mm~6mm,径向抗压碎强度不小于50N/cm,堆密度0.60~0.80kg/L;活性炭脱硫剂适合低浓度硫化氢处理,依赖物理吸附作用 ;复合型脱硫剂综合两者优势,克服氧化铁易粉化、活性炭依赖氧气的缺点,脱硫精度可达98%以上。

  1. Core types: including iron oxide based materials, activated carbon based materials, and composite desulfurizers. Iron oxide desulfurizer is the mainstream in the industry, appearing as a brownish red cylindrical solid with a particle size of 4mm~6mm, a radial crushing strength of not less than 50N/cm, and a bulk density of 0.60~0.80kg/L; Activated carbon desulfurizer is suitable for low concentration hydrogen sulfide treatment and relies on physical adsorption; The composite desulfurizer combines the advantages of both and overcomes the disadvantages of iron oxide being prone to pulverization and activated carbon relying on oxygen. The desulfurization accuracy can reach over 98%.

  2.辅助成分:部分脱硫剂添加氧化钙、氢氧化钙等碱性成分增强反应活性,碳酸氢钠则在SDS干法工艺中作为核心脱硫介质,高温下分解为碳酸钠与硫化氢反应 。二产品设计

  2. Auxiliary components: Some desulfurizers add alkaline components such as calcium oxide and calcium hydroxide to enhance reaction activity, while sodium bicarbonate serves as the core desulfurization medium in the SDS dry process, decomposing into sodium carbonate and reacting with hydrogen sulfide at high temperatures. Product Design

  设备设计以“高效反应、安全运行、便捷维护”为核心,严格遵循行业标准与工况适配原则。

  The equipment design is centered around "efficient response, safe operation, and convenient maintenance", strictly following industry standards and the principle of adapting to working conditions.

  (一)核心设计参数

  (1) Core design parameters

  1.处理能力匹配:单塔处理量通常为5~50立方米/小时,对应发酵容积按NY/T 4064-2021标准配置,例如小型户用国产精品麻豆成人AV电影池适配100~500L有效容积的脱硫塔 。

  1. Processing capacity matching: The processing capacity of a single tower is usually 5-50 cubic meters per hour, and the corresponding fermentation volume is configured according to the NY/T 4064-2021 standard. For example, a small household biogas digester is suitable for a desulfurization tower with an effective volume of 100-500L.

  2.流体力学设计:国产精品麻豆成人AV电影通过脱硫剂的平均线速度控制在25mm/s以内,进出气管内流速宜为15m/s,确保气体与脱硫剂充分接触(接触时间2~3min),同时控制压力降小于200Pa。

  2. Fluid dynamics design: The average linear velocity of biogas passing through the desulfurizer should be controlled within 25mm/s, and the flow velocity in the inlet and outlet pipes should be 15m/s to ensure sufficient contact between the gas and the desulfurizer (contact time 2-3 minutes), while controlling the pressure drop to be less than 200Pa.

  3.安全性能设计:耐压等级不低于10kPa,配备安全泄压设备、放散管及压力监测装置,塔体设观察窗便于直观监测脱硫剂状态。

  3. Safety performance design: The pressure resistance level shall not be less than 10kPa, equipped with safety relief equipment, relief pipes, and pressure monitoring devices. The tower body shall be equipped with observation windows for intuitive monitoring of the desulfurizer status.

  (二)智能化设计趋势

  (2) The trend of intelligent design

  头部企业逐步引入智能控制系统,2024年智能化设备市场渗透率已达32.6%。高端设备具备远程监控、硫化氢浓度实时监测及自动调节功能,可根据国产精品麻豆成人AV电影成分波动优化运行参数。

  Top enterprises are gradually introducing intelligent control systems, and the market penetration rate of intelligent devices has reached 32.6% by 2024. High end equipment has remote monitoring, real-time monitoring of hydrogen sulfide concentration, and automatic adjustment functions, which can optimize operating parameters based on fluctuations in biogas composition.

  (三)适配性设计

  (3) Adaptive design

  针对不同工况优化结构,如干旱地区设备强化保湿设计,高粉尘国产精品麻豆成人AV电影项目配套前置颗粒过滤器,高浓度场景采用多塔串联设计。三结构特点

  Optimize the structure for different working conditions, such as enhancing moisture retention design for equipment in arid areas, supporting pre particle filters for high dust biogas projects, and adopting multi tower series design for high concentration scenarioses. Three structural characteristics

  国产精品麻豆成人AV电影干法脱硫设备结构简洁紧凑,核心围绕“反应腔-辅助系统”构建,主流为固定床结构。

  The structure of the biogas dry desulfurization equipment is simple and compact, with the core built around the "reaction chamber auxiliary system", and the mainstream is the fixed bed structure.

  (一)核心结构组成

  (1) Core structure composition

  1.塔体主体:包括支架、密封式腔体及进出气接口,腔体底部设排水管或自动排水装置,内壁光滑无毛刺以减少气体阻力 。2.反应功能区:核心为脱硫剂填充层,由支撑板承载(支撑板孔径小于脱硫剂粒径),填料层厚度通常为0.3~0.8m,部分设备采用多层填充优化反应路径。3.辅助监测区:标配压力表、温度表、进气/出气采样口,高端机型集成在线分析仪,实时显示脱硫效率。

  1. Tower body: including brackets, sealed chambers, and inlet and outlet interfaces. The bottom of the chamber is equipped with drainage pipes or automatic drainage devices, and the inner wall is smooth and free of burrs to reduce gas resistance. 2. Reaction functional zone: The core is the desulfurizer filling layer, which is supported by a support plate (with a pore size smaller than the desulfurizer particle size). The thickness of the filling layer is usually 0.3~0.8m, and some equipment uses multi-layer filling to optimize the reaction path. 3. Auxiliary monitoring area: equipped with pressure gauge, temperature gauge, intake/exhaust sampling port, high-end models integrate online analyzer, real-time display of desulfurization efficiency.

  (二)典型结构配置

  (2) Typical structural configuration

  1.单塔结构:适用于小型项目(处理量<20m?/h),结构简单、占地面积小,如普新20L脱硫器仅适配15立方米国产精品麻豆成人AV电影系统 。2.双塔并联结构:采用“一用一备”设计,可实现脱硫剂更换与再生期间连续运行,再生后的脱硫剂经筛选去除粉末后重新装填。3.集成式结构:部分设备整合脱水、过滤与脱硫功能,如250升集成式脱硫脱水设备,减少系统占地面积与安装复杂度。四工艺组成

  1. Single tower structure: Suitable for small projects (processing capacity<20m ?/h), with a simple structure and small footprint. For example, the Puxin 20L desulfurizer is only suitable for a 15 cubic meter biogas system. 2. Twin tower parallel structure: Adopting a "one in use, one backup" design, it can achieve continuous operation during the replacement and regeneration of desulfurizer. The regenerated desulfurizer is screened to remove powder and then refilled. 3. Integrated structure: Some equipment integrates dehydration, filtration, and desulfurization functions, such as a 250 liter integrated desulfurization and dehydration equipment, reducing system footprint and installation complexity. Four process components

  干法脱硫工艺属国产精品麻豆成人AV电影预处理核心环节,通常与后续系统衔接,形成完整净化链。

  The dry desulfurization process belongs to the core link of biogas pretreatment and is usually connected with subsequent systems to form a complete purification chain.

  (一)核心工艺单元

  (1) Core process unit

  1.预处理单元:包括气水分离器(去除国产精品麻豆成人AV电影中水分,控制湿度适配脱硫剂活性)与颗粒过滤器(拦截杂质,避免堵塞脱硫剂孔隙)。2.脱硫反应单元:以脱硫塔为核心,国产精品麻豆成人AV电影经下进上出或水平流方式穿过脱硫剂床层,完成硫化氢吸附与化学反应 。3.后置处理单元:部分项目配置粉尘过滤器,去除脱硫过程产生的固体颗粒,避免污染后续发电或提纯设备。

  1. Preprocessing unit: including a gas water separator (removing moisture from biogas, controlling humidity to adapt to desulfurizer activity) and a particle filter (intercepting impurities to avoid clogging desulfurizer pores). 2. Desulfurization reaction unit: With the desulfurization tower as the core, biogas passes through the desulfurizer bed in a downward and upward or horizontal flow manner, completing hydrogen sulfide adsorption and chemical reaction. 3. Post processing unit: Some projects are equipped with dust filters to remove solid particles generated during the desulfurization process, avoiding pollution to subsequent power generation or purification equipment.

  (二)系统衔接流程

  (2) System connection process

  国产精品麻豆成人AV电影从厌氧发酵装置产出后,经水封与气柜缓存,由风机加压进入干法脱硫系统,净化后(H?S≤50ppm)可直接用于发电,或进入脱碳、压缩单元制备生物天然气。五工作原理

  After biogas is produced from anaerobic fermentation equipment, it is sealed with water and stored in a gas tank. It is pressurized by a fan and enters the dry desulfurization system. After purification (H ? S ≤ 50ppm), it can be directly used for power generation or enter decarbonization and compression units to prepare biogas. Five working principles

  干法脱硫基于“干式氧化法”原理,通过固体脱硫剂的化学吸附或催化氧化作用去除硫化氢,核心分为反应与再生两个阶段。

  Dry desulfurization is based on the principle of "dry oxidation method", which removes hydrogen sulfide through chemical adsorption or catalytic oxidation of solid desulfurizer. The core is divided into two stages: reaction and regeneration.

  (一)核心反应过程

  (1) Core reaction process

  1.氧化铁脱硫剂:通过化学反应实现脱硫,氧化铁(Fe?O?)与硫化氢(H?S)反应生成硫化铁(Fe?S?),反应式为Fe?O? + 3H?S = Fe?S? + 3H?O,当脱硫剂由棕红色变为黑色时表明接近饱和 。2.活性炭脱硫剂:依靠物理吸附作用捕获硫化氢分子,适合处理浓度低于1000ppm的国产精品麻豆成人AV电影,吸附饱和后需高温再生 。3.复合型脱硫剂:兼具化学反应与物理吸附双重机制,部分硫化氢与氧化铁反应,部分直接转化为单质硫,脱硫精度可达99%。

  1. Iron oxide desulfurizer: desulfurization is achieved through chemical reactions, where iron oxide (Fe ? O3) reacts with hydrogen sulfide (H ? S) to form iron sulfide (Fe ? S3). The reaction equation is Fe ? O3+3H ? S=Fe ? S3+3H ? O. When the desulfurizer changes from brownish red to black, it indicates near saturation. 2. Activated carbon desulfurizer: It relies on physical adsorption to capture hydrogen sulfide molecules and is suitable for treating biogas with a concentration below 1000ppm. After adsorption saturation, it needs to be regenerated at high temperature. 3. Composite desulfurizer: It has a dual mechanism of chemical reaction and physical adsorption. Some hydrogen sulfide reacts with iron oxide, and some is directly converted into elemental sulfur. The desulfurization accuracy can reach 99%.

  (二)脱硫剂再生机制

  (2) Regeneration mechanism of desulfurizer

  氧化铁脱硫剂饱和后可离线再生,通过撒水并接触空气,使硫化铁氧化为氧化铁和单质硫,再生温度控制在70℃以下,可再生次数不超过3次;活性炭则需通过高温(200~300℃)解析再生,恢复吸附能力 。六产品耗材

  After saturation with iron oxide desulfurizer, it can be regenerated offline by sprinkling water and contacting with air to oxidize iron sulfide into iron oxide and elemental sulfur. The regeneration temperature is controlled below 70 ℃, and the number of regenerations does not exceed 3 times; Activated carbon needs to be regenerated through high-temperature (200-300 ℃) decomposition to restore its adsorption capacity. Six product consumables

  耗材成本是设备运行的主要支出,核心为脱硫剂,辅助耗材占比极低。

  The cost of consumables is the main expense for equipment operation, with the core being desulfurizers and the proportion of auxiliary consumables being extremely low.

  (一)核心耗材:脱硫剂

  (1) Core consumables: desulfurizer

  1.类型与用量:主流为氧化铁脱硫剂,单塔装填量依处理规模而定,如20L脱硫器配置18公斤脱硫剂;活性炭脱硫剂用量需根据吸附容量计算,通常比氧化铁高20%~30%。2.更换周期:受硫化氢浓度、处理量影响,常规工况下氧化铁脱硫剂更换周期约6个月,高浓度场景(H?S>2%)需缩短至1~2个月,可通过公式T=1000ρVf/(2167QCs)精确计算(T为更换时间,Q为产气量,Cs为硫化氢含量)。3.成本区间:氧化铁脱硫剂单价约1.5~3元/公斤,活性炭约8~15元/公斤,中小型项目年耗材成本通常在5000~2万元 。

  1. Type and dosage: The mainstream is iron oxide desulfurizer, and the loading capacity of a single tower depends on the processing scale. For example, a 20L desulfurizer is equipped with 18kg of desulfurizer; The dosage of activated carbon desulfurizer needs to be calculated based on the adsorption capacity, usually 20% to 30% higher than that of iron oxide. 2. Replacement cycle: Due to the influence of hydrogen sulfide concentration and processing capacity, the replacement cycle of iron oxide desulfurizer under normal working conditions is about 6 months. In high concentration scenarioses (H ? S>2%), it needs to be shortened to 1-2 months, which can be accurately calculated by the formula T=1000 ρ Vf/(2167QCs) (T is the replacement time, Q is the gas production, Cs is the hydrogen sulfide content). 3. Cost range: The unit price of iron oxide desulfurizer is about 1.5-3 yuan/kg, activated carbon is about 8-15 yuan/kg, and the annual consumable cost of small and medium-sized projects is usually 50-20000 yuan.

  (二)辅助耗材

  (2) Auxiliary consumables

  1.过滤器滤芯:前置颗粒过滤器滤芯每3~6个月更换一次,单价50~200元/个。2.密封件:进出气接口密封垫每年更换一次,确保设备气密性。七应用场景

  1. Filter cartridge: The pre particulate filter cartridge is replaced every 3-6 months, with a unit price of 50-200 yuan/piece. 2. Seals: The sealing gasket of the inlet and outlet interfaces should be replaced once a year to ensure the airtightness of the equipment. Seven application scenarioses

  设备应用覆盖国产精品麻豆成人AV电影资源化全领域,依处理规模与纯度要求呈现差异化适配。

  The equipment application covers the entire field of biogas resource utilization, and presents differentiated adaptation according to the processing scale and purity requirements.

  (一)农业领域

  (1) In the field of agriculture

  1.适用场景:农村户用国产精品麻豆成人AV电影池、中小型畜禽养殖场(存栏量<5000头)。2.适配原因:处理量小(5~20m?/h)、硫化氢浓度中等(0.5%~1%),设备投资低(3~5万元/套),维护简便,契合农业项目需求 。3.典型国产成人综合亚洲AV麻豆下载:养猪场国产精品麻豆成人AV电影用于场内供暖,配套单塔干法脱硫设备,脱硫效率95%以上。

  1. Applicable scenarioses: rural household biogas digesters, small and medium-sized livestock and poultry farms (with a stock of less than 5000 heads). 2. Adaptation reasons: Small processing capacity (5-20m ?/h), moderate hydrogen sulfide concentration (0.5%~1%), low equipment investment (30000~50000 yuan/set), easy maintenance, suitable for agricultural project needs. 3. Typical case: Biogas from pig farms is used for on-site heating, equipped with single tower dry desulfurization equipment, with a desulfurization efficiency of over 95%.

  (二)工业领域

  (2) Industrial sector

  1.适用场景:酒厂、造纸厂、食品加工厂等工业有机废水厌氧处理项目。2.适配原因:可处理中等规模国产精品麻豆成人AV电影(20~50m?/h),部分工业场景需深度脱硫(H?S≤50ppm)以保护发电设备,采用“干法粗脱+精脱”串联工艺。3.技术要求:需适配国产精品麻豆成人AV电影成分波动大的特点,部分设备配备自动调节系统。

  1. Applicable scenarioses: Industrial organic wastewater anaerobic treatment projects such as distilleries, paper mills, and food processing plants. 2. Adaptation reason: It can handle medium-sized biogas (20~50m ?/h), and some industrial scenarioses require deep desulfurization (H ? S ≤ 50ppm) to protect power generation equipment. The "dry coarse desulfurization+fine desulfurization" series process is adopted. 3. Technical requirements: It is necessary to adapt to the characteristics of large fluctuations in biogas composition, and some equipment should be equipped with automatic adjustment systems.

  (三)市政与环保领域

  (3) Municipal and environmental protection fields

  1.适用场景:污水处理厂国产精品麻豆成人AV电影回收、小型垃圾填埋场国产精品麻豆成人AV电影处理。2.适配原因:环保要求严格,干法脱硫无二次污染,可与后续生物天然气提纯系统衔接;污水处理厂国产精品麻豆成人AV电影湿度高,设备需强化排水设计。3.局限说明:大型垃圾填埋场(国产精品麻豆成人AV电影量>100m?/h)因硫化氢浓度高(>3%),通常以湿法为主,干法作为精脱补充 。

  1. Applicable scenarioses: biogas recovery in sewage treatment plants, biogas treatment in small landfill sites. 2. Adaptation reasons: Strict environmental requirements, dry desulfurization without secondary pollution, can be connected with subsequent biological natural gas purification systems; The biogas humidity in the sewage treatment plant is high, and the equipment needs to strengthen drainage design. 3. Limitations: Large scale landfill sites (with biogas capacity>100m ?/h) usually use wet methods as the main method due to high hydrogen sulfide concentration (>3%), with dry methods as a supplement for refined desulfurization.

  (四)特殊场景

  (4) Special Scene

  在水资源匮乏、空间有限的偏远地区,干法脱硫因无需液体试剂、占地面积小的优势成为首选,如西北农村国产精品麻豆成人AV电影集中供气项目。八品牌综合分析

  In remote areas with scarce water resources and limited space, dry desulfurization has become the preferred method due to its advantages of not requiring liquid reagents and occupying a small area, such as the Northwest Rural Biogas Concentrated Gas Supply Project. Comprehensive analysis of eight brands

  市场呈现“国内主导、高端进口补充”的竞争格局,品牌差异集中在技术实力与服务能力。

  The market presents a competitive pattern of "domestic dominance and high-end import supplementation", with brand differences concentrated in technical strength and service capabilities.

  (一)国内品牌阵营

  (1) Domestic brand camp

  1.技术领先型:①山东绿环环保科技:研发投入占营收8.5%,主攻新型脱硫剂与智能化设备,产品脱硫效率达98%以上,智能化机型市场占有率居前,服务于工业与市政大型项目。②腾龙重工:从油田脱硫延伸至国产精品麻豆成人AV电影领域,采用钙基干法工艺,设备脱硫效率95%以上,擅长定制化解决方案,在华北地区大中型养殖场市场认可度高。

  1. Technology leading type: ① Shandong Green Environmental Protection Technology: R&D investment accounts for 8.5% of revenue, focusing on new desulfurizers and intelligent equipment, with a desulfurization efficiency of over 98% and a leading market share in intelligent models, serving large-scale industrial and municipal projects. ② Tenglong Heavy Industry: Extending from oilfield desulfurization to biogas field, adopting calcium based dry process technology, with equipment desulfurization efficiency of over 95%, specializing in customized solutions, and highly recognized in the market of large and medium-sized breeding farms in North China.

  2.性价比型:①山东麻麻趴跪着掀裙子调教麻豆环保:专注中小型设备,主打碳钢材质脱硫塔,价格区间3~8万元/套,配套完善的脱硫剂更换服务,农村市场占有率领先 。②普新环保:以小型集成式设备为核心,20L不锈钢脱硫器等产品适配户用与小型项目,价格亲民且便于移动安装。

  2. Cost effective type: ① Shandong Hengneng Environmental Protection: focusing on small and medium-sized equipment, specializing in carbon steel desulfurization towers, with a price range of 30000 to 80000 yuan/set, and complete desulfurization agent replacement services, leading the rural market share. ② PuXin Environmental Protection: With small integrated equipment as the core, 20L stainless steel desulfurizer and other products are suitable for household use and small projects, with affordable prices and easy to move and install.

  (二)国外品牌阵营

  (2) Foreign brand camp

  ①代表品牌:西门子、威立雅等,主打高端市场,产品集成化程度高,脱硫精度可达99.5%以上,适配生物天然气提纯等严苛场景。②竞争特点:价格高昂(单套15~30万元),但技术稳定性强,服务周期长,主要服务于外资企业或国家级重大项目。

  ① Representative brands: Siemens, Veolia, etc., focusing on the high-end market, with high product integration and desulfurization accuracy of over 99.5%, suitable for harsh scenarioses such as biological natural gas purification. ② Competitive characteristics: High price (150000 to 300000 yuan per set), strong technical stability, long service cycle, mainly serving foreign-funded enterprises or national level major projects.

  (三)市场竞争关键维度

  (3) Key dimensions of market competition

  1.价格区间:国内品牌3~15万元/套,国外品牌15~30万元/套,价格受处理规模、自动化程度影响显著。2.核心竞争力:头部企业以“技术+服务”取胜,如新型脱硫剂与远程运维服务;中小品牌依赖性价比与区域渠道优势。3.发展趋势:随着双碳政策推进,具备低耗脱硫剂、智能控制、再生技术的品牌将占据更多市场份额。

  1. Price range: Domestic brands range from 30000 to 150000 yuan per set, while foreign brands range from 150000 to 300000 yuan per set. The price is significantly affected by processing scale and automation level. 2. Core competitiveness: Leading enterprises win with "technology+service", such as new desulfurizers and remote operation and maintenance services; Small and medium-sized brands rely on cost-effectiveness and regional channel advantages. 3. Development trend: With the promotion of the dual carbon policy, brands with low consumption desulfurizers, intelligent control, and regeneration technology will occupy more market share.

  本文由  国产精品麻豆成人AV电影脱硫  友情奉献.更多有关的知识请点击  http://www.fgc0371.com/   真诚的态度.为您提供为全面的服务.更多有关的知识麻麻趴跪着掀裙子调教麻豆将会陆续向大家奉献.敬请期待.

  This article is contributed by the friendship of biogas desulfurization For more related knowledge, please click http://www.fgc0371.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.

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