WO2010075786A1 - 膜隔离式油品储运装置 - Google Patents

膜隔离式油品储运装置 Download PDF

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Publication number
WO2010075786A1
WO2010075786A1 PCT/CN2009/076237 CN2009076237W WO2010075786A1 WO 2010075786 A1 WO2010075786 A1 WO 2010075786A1 CN 2009076237 W CN2009076237 W CN 2009076237W WO 2010075786 A1 WO2010075786 A1 WO 2010075786A1
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Prior art keywords
membrane
oil
casing
inlet pipe
breathing
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PCT/CN2009/076237
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English (en)
French (fr)
Inventor
李束为
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深圳特尔环保储运技术有限公司
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Publication of WO2010075786A1 publication Critical patent/WO2010075786A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/22Safety features
    • B65D90/38Means for reducing the vapour space or for reducing the formation of vapour within containers
    • B65D90/42Means for reducing the vapour space or for reducing the formation of vapour within containers by use of particular materials for covering surface of liquids

Definitions

  • the utility model relates to a device for storing and transporting oil products under low pressure and normal pressure, belonging to the technical field of oil storage and transportation. Background technique
  • oil products include pipeline transportation, railway tanker and automobile tanker transportation, tanker transportation, oil storage tank storage, gas station storage, equipment tank storage, etc. in transportation, storage and use.
  • the storage of oil storage tanks reduces the respiratory loss by more than 90% due to the use of floating roof technology.
  • floating roof technology is difficult to apply to horizontal tanks, horizontal tanks generally have large respiratory losses, resulting in oil evaporation. Loss, deterioration of quality and environmental pollution, there are safety hazards of fire and explosion.
  • the water vapor in the air enters the storage tank with the size, and the condensation is formed in the storage tank after the temperature is lowered.
  • Water condensation affects the quality of the oil; at the same time, the contact of oxygen in the air with the oil will affect the quality of the oil; the evaporation of light fractions in the oil will also affect the quality of the oil.
  • the utility model provides A membrane isolated oil storage and transportation device.
  • the utility model comprises a casing 1, an oil inlet pipe 6, an oil delivery pipe 7 and a breathing port 10.
  • the casing 1 is provided with a membrane 2 larger than its volume, and the top of the membrane 2 is fixed to the membrane fixing section of the top mounting opening 3 of the casing 1.
  • the remaining part of the membrane 2 is separated from the casing 1, the inner layer of the membrane 2 is in communication with the breathing port 10, the membrane 2 isolating the inner cavity of the casing 1 and the air; the oil inlet pipe 6 and the oil delivery pipe 7 are arranged in the casing
  • the top or bottom of 1 is in communication with the inner cavity of the casing 1, and the oil inlet pipe 6 and the oil delivery pipe 7 are respectively provided with a valve 9 and a quick joint 8, and the top of the casing 1 is provided with a safety valve 11, an oil inlet pipe 6 and a safety valve 11
  • the cover plate 5 is located on the top of the casing, and the cover plate 5 has an anti-blocking screen 16 with a hole in the wall; the breathing port 10 is disposed at the top of the casing 1. see picture 1.
  • Microscopic evaporation is the departure of liquid molecules from the liquid surface. Liquid molecules collide with each other in random motion, so that some molecules obtain greater kinetic energy. If the kinetic energy of these molecules is greater than the work required to overcome the intermolecular forces in the liquid when flying out of the liquid surface, the liquid can be turned into steam. .
  • the closed storage and transportation (use) oil can be realized, the oil and the air can be directly breathed, the oil and gas pollution can be eliminated, and the safety can be improved.
  • the three elements of the oil depot fire are: oil vapor, air, and fire.
  • the membrane When the membrane is completely covered on the oil surface, the oil will be in contact with the air to reduce the fire hazard and improve the safety of the tanker, the storage tank and the equipment tank.
  • the flexible membrane is used to cover the oil surface, and the respiration is done inside the membrane, avoiding direct breathing of the oil vapor and air.
  • the beneficial effects of the utility model are:
  • the utility model can be used for the transformation of the vertical oil storage tank, the horizontal oil storage tank, the equipment oil tank and the transformation, and the reforming of the current oil storage tank is easy; the implementation can eliminate most of the current oil vapor pollution and avoid floating The top of the tank has a floating roof sinking accident.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • FIG. 2 is a schematic structural view of Embodiment 2 (vertical oil storage tank modification);
  • FIG. 3 is a schematic structural view of Embodiment 3 (horizontal oil storage tank) of the present invention;
  • Figure 4 is a side view of Figure 3;
  • Figure 5 is a fourth embodiment of the present invention (the oil of one end of the float fixed on the oil pump assembly) Box transformation) structure diagram;
  • Figure 6 is a plan view of Figure 5;
  • Figure 7 is a schematic view showing the structure of the fifth embodiment of the present invention (reconstruction of the equipment fuel tank with one end of the float fixed on the casing);
  • Figure 8 is a plan view of Figure 7;
  • Figure 9 is a schematic diagram of the structure of the new equipment fuel tank.
  • Embodiment 1 Vertical oil storage tank transformation
  • a casing 2 comprising a casing 1, an oil inlet pipe 6, an oil delivery pipe 7 and a breathing port 10; a casing 2 having a larger than its volume is provided in the casing 1, and an upper portion of the membrane 2 is fixed to a membrane fixing section around the upper edge of the casing 1.
  • the remaining part of the membrane 2 is separated from the casing 1, the inner layer of the membrane 2 is in communication with the breathing port 10, the membrane 2 isolating the inner cavity of the casing 1 and the air; the oil inlet pipe 6 and the oil delivery pipe 7 are arranged in the casing
  • the bottom of 1 is connected to the inner cavity of the casing 1; the oil inlet pipe 6 and the oil outlet pipe 7 are respectively provided with a valve 9 and a quick connector 8, and the top of the casing 1 is provided with a safety valve 11; the breathing port 10 is provided at the casing 1 top.
  • the function of the safety valve 11 is the same as that of the breathing valve on the original floating roof storage tank, and the tank is safe when the pressure is too high.
  • the lower portion of the safety valve 11 is connected to an anti-blocking screen 16 having a hole in the wall, and the anti-blocking screen 16 extends to the lower middle portion of the casing 1.
  • the membrane 2 can be prevented from clogging the safety valve 11.
  • the membrane 2 is soft and resistant to folding in the normal use temperature range, resistant to corrosion of impurities in the oil and oil, tolerant to normal use temperature, not easy to burn, airtight, and antistatic. It can be modified by fluoroplastics, polyurethane, nitrile rubber, ethylene-vinyl alcohol copolymer, polyvinylidene chloride, nylon, etc. (such as adding antistatic agent to increase conductivity) to meet the above requirements, or Other materials (such as polyethylene) constitute a composite film (such as a multilayer composite co-extruded film, etc.). The choice of membrane material can be selected according to the storage and storage conditions.
  • the function of the safety valve (11) is to release the oil vapor outward when the oil vapor pressure is too high.
  • the pressure level of the safety valve 11 is the same as the exhalation pressure level of the existing tank breathing valve, so that the existing tank is fully available.
  • Embodiment 2 Horizontal storage tank
  • Breathing port 10 has a breathing port plug 18 .
  • the breathing port plug 18 is covered to suppress evaporation of the residual oil in the small negative pressure formed by the self-weight of the membrane 2, and the breathing port plug 18 is opened before the next refueling.
  • the safety valve 11 and the oil inlet pipe 6 are fixed to the cover plate 5 at the top of the casing 1.
  • An anti-blocking screen 16 having a hole in the wall is connected to the lower side of the cover plate 16, and the anti-blocking screen 16 extends to the lower middle portion of the casing 1.
  • the membrane 2 can be prevented from clogging the safety valve 11, and the inlet pipe 6 can be made to flow smoothly.
  • the material selection and respiration are basically the same as those of the first embodiment, and will not be described again.
  • Embodiment 3 Construction of equipment tank on one end of the float pump on the oil pump assembly
  • the casing 1 is provided with a membrane 2 larger than its volume, and the upper portion of the membrane 2 is fixed to the upper oil pump assembly of the casing 1
  • the oil delivery pipe 7 is disposed at the top of the casing 1 and communicates with the inner cavity of the casing 1.
  • An oil pump assembly 12 is disposed between the casing 1 and the membrane 2, the oil pump assembly 12 is mounted below the oil pump assembly mounting port 13, the float 14 is mounted on the oil pump assembly 12, and the float 14 is below the membrane 2; the oil delivery tube 7 Connected to the oil pump assembly 12.
  • the breathing port 10 is located between the two membrane fixing sections 4 around the oil pump assembly mounting opening 13, and the breathing port 10 is connected to the breathing tube. 17.
  • the breathing tube 17 is provided with a breathing port plug 18 at the outlet.
  • An oil blocking pipe 16 having a hole in the wall is connected to the oil inlet pipe 6.
  • the anti-blocking screen 16 extends to the middle and lower portions of the casing 1, and the fuel tank cover 19 is provided at the outer end of the oil inlet pipe 6.
  • the original safety valve 11 of the fuel tank is on the fuel tank cover 19.
  • the anti-blocking screen 16 serves to prevent the membrane 2 from clogging the safety valve 11 and to facilitate the refueling.
  • the material selection is the same as that of the first embodiment, and will not be described again.
  • Embodiment 4 Construction of equipment tank on one end of the float
  • the casing 1 is provided with a membrane 2 larger than its volume, and the upper portion of the membrane 2 is fixed to the upper tank float mounting port of the casing 1.
  • the membrane fixing section 4 of 15 the remaining part of the membrane 2 is separated from the casing 1, the inner layer of the membrane 2 is in communication with the breathing port 10, the membrane 2 isolating the inner cavity of the casing 1 and the air; the oil inlet pipe 6, the oil delivery pipe 7 It is provided at the top of the casing 1 and communicates with the inner cavity of the casing 1.
  • An oil pump assembly 12 is disposed between the casing 1 and the membrane 2.
  • the oil pump assembly 12 is mounted below the oil pump assembly mounting port 13, and the oil delivery pipe 7 is coupled to the oil pump assembly 12.
  • a float 14 is provided in the casing 1, and one end of the float 14 is connected to the top float mounting opening 15 of the casing 1, and the float 14 is above the membrane 2.
  • the breathing port 10 is located on the float mounting opening 15, and the breathing port 10 is connected to the breathing tube. 17, and the breathing tube 17 is provided with a breathing port plug 18 at the outlet.
  • Embodiment 5 New equipment fuel tank:
  • the casing 1, the oil inlet pipe 6, the oil delivery pipe 7, and the breathing port 10 are provided; the casing 1 is provided with a membrane 2 larger than its volume, and the upper portion of the membrane 2 is fixed to the upper oil pump assembly mounting port 13 of the casing 1. And at the membrane fixing section 4 around the oil inlet pipe 6, the remaining part of the membrane 2 is separated from the casing 1, the inner layer of the membrane 2 is in communication with the oil inlet pipe 6 and the oil delivery pipe 7, and the oil inlet pipe 6 and the oil delivery pipe 7 are arranged in the casing.
  • the oil inlet pipe 6 is provided with a valve 9 and a quick joint 8; the breathing port 10 communicates with the inner cavity of the casing 1.
  • the safety valve 11 is located above the inlet pipe 6.
  • the oil pump assembly 12 below the oil pump assembly mounting port 13 is in the membrane 2, and the oil delivery pipe 7 is connected to the oil pump assembly 12; the float 14 is mounted on the oil pump assembly 12, and the oil pump assembly 14 is located in the membrane 2.
  • This embodiment is slightly different from the above-mentioned ones.
  • the oil of this embodiment is installed inside the membrane 2, but the oil and air are still separated by the membrane 2, and the evaporation is suppressed by the membrane 2, and the respiration occurs in the membrane 2 Externally eliminates respiratory loss.
  • the material selection is the same as that of the first embodiment, and will not be described again.
  • the oil storage device of the present invention can also be applied to other storages other than low pressure and atmospheric pressure storage and transportation oils, such as methanol, ethanol and other suitable low pressure, atmospheric pressure storage chemical liquid preparations. It can also be applied to water transport.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Description

膜隔离式油品储运装置
本申请要求于 2008 年 12 月 31 日提交中国专利局、 申请号为 200820223935.6、发明名称为"膜隔离式油品储运装置"的中国专利申请的 优先权, 其全部内容通过引用结合在本申请中。
技术领域
本实用新型涉及一种低压、常压储存运输油品的装置,属于油的储存 运输技术领域。 背景技术
目前, 油品在转运、 储存和使用中包括管道输送、 铁路油罐车和汽 车油罐车运输、 油轮运输、 油库储罐储存、 加油站储存、 设备油箱储存等 环节。 油库储罐 (立式罐)储存因采用浮顶技术减少了 90%以上的呼吸损 耗,但由于浮顶技术难以应用于卧式罐,卧式罐普遍存在较大的呼吸损耗, 导致油品蒸发损耗、 品质下降和环境污染, 存在火灾和爆炸安全隐患。
下面以汽油为例进行阐述。
根据中国石油化工集团公司安全环保局《成品油销售业汽油油气排放 控制标准》编制说明, 汽油在铁路油罐车和汽车油罐车运输、加油站等卧 式罐储存环节损耗约为 1% , 我国每年消耗汽油 5000万吨以上, 年损耗超 过 50万吨, 汽油价格约 5000元 A1屯, 损失约 25亿元。 这还不包括设备 (汽车) 油箱的损耗。
油蒸汽污染环境, 加油站多在城市周边, 一份油蒸汽可污染 2000倍 体积的空气, 5000万吨汽油在运输销售过程中一般至少会形成 5倍汽油 体积的油蒸汽, 体积约为 3.4亿方, 污染空气就达到 6800亿方。 油蒸汽 在紫外线照射下会与空气中其它有害气体发生光化学反应,形成毒性更大 的二次污染物,加剧对人的危害并破坏臭氧层。油蒸汽又增加了发生火灾 和爆炸的危险性。 火灾和爆炸事故对生态环境具有更大的破坏性。
空气中的水蒸汽随大小呼吸进入储罐, 温度降低后在储罐内形成凝 结水, 影响油品的品质; 同时空气中的氧气与油品接触将影响油品品质; 油品中的轻质馏分蒸发也将影响油品品质。
除汽油外挥发性较高的油品还有溶剂油、 石脑油、 航空煤油、 轻柴 油和原油等, 因此每年的蒸发损耗将更多, 对环境污染更大。
即使部分槽 (罐)车、 加油站和储油库采用了吸收、 冷凝、 吸附或膜分 离等技术进行回收,但回收均需增加投资并消耗能 (资)源,且回收不完全。 油库回收设备每台价格达到 500~1500 万元; 加油站回收设备每台也在 30-100万元, 从我国台湾和大陆已安装设备的运行来看, 故障率高、 运 行维护费用高不具有经济性,多数油蒸汽最终通过燃烧处理;且混有空气 的油蒸汽在转运途中具高危险性。因此从油蒸汽产生的源头进行治理才是 解决问题的根本之道, 可收到事半功倍的效果。 实用新型内容
为了克服现有油库储罐、 铁路和公路罐车、 加油站储罐、 设备油箱 等装置在储运油品过程中的呼吸损耗及由此带来的环保、安全、质量等问 题, 本实用新型提供一种膜隔离式油品储运装置。
本实用新型包括壳体 1、 进油管 6、 出油管 7和呼吸口 10, 壳体 1内 设有大于其容积的膜 2,膜 2的顶部固定于壳体 1顶部安装口 3的膜固定 段 4处, 膜 2的其余部分与壳体 1处于分离状态, 膜 2的内层与呼吸口 10连通, 膜 2隔离壳体 1的内腔和空气; 进油管 6、 出油管 7设在壳体 1 的顶部或底部, 与壳体 1的内腔连通, 进油管 6、 出油管 7均设有阀门 9 和快速接头 8, 壳体 1的顶部设有安全阀 11 , 进油管 6和安全阀 11位于 壳体顶部的盖板 5上, 盖板 5下有壁上布有孔的防堵筛管 16; 呼吸口 10 设于壳体 1的顶部。 见图 1。
由膜 2隔离储罐内液态储品和空气的接触, 膜 2的其余部分随呼吸 作用起伏。
微观上蒸发是液体分子从液面的离去。 液体分子在无规则运动中相 互碰撞,使得一些分子获得较大动能,若这些分子动能大于飞出液面时克 服液体内分子间 ^ I力所需的功时, 就可脱离液面变成蒸汽。
采用柔性的膜覆盖于液体表面, 阻断了液体分子逃逸途径, 通过膜 隔离油与空气, 呼吸作用发生在膜外, 避免油蒸汽进入空气,从而达到节 约资源; 保护环境; 提高储运安全性, 减少发生火灾和爆炸的危险; 避免 氧化和水混入影响油的品质; 其柔性结构更有利于抵抗撞击等外力。
当运输罐车、加油站油罐和汽车油箱采用本实用新型后,可实现密闭 式储运 (用)油, 避免油与空气直接呼吸, 消除油气污染, 提高安全性。
油库火灾发生的三要素为: 油蒸汽、 空气、 火种, 当膜完全覆盖在油 表面时, 将隔绝油与空气的接触, 减小火灾隐患, 提高罐车、 储油罐和设 备油箱安全性。
采用柔性膜覆盖在油表面, 呼吸作用在膜内完成, 避免了油蒸汽与 空气直接呼吸。 本实用新型的有益效果是:
1. 避免油蒸汽与空气直接呼吸, 保护环境;
2. 改善油站转运环境, 保护操作人员的健康;
3. 避免呼吸损耗, 节约能源;
4. 隔断油品与空气, 提高安全性;
5. 避免易蒸发馏分的损耗, 保证油的品质;
6. 隔断油品与空气接触, 避免因氧化影响油品品质;
7. 避免空气中的凝结水和雨水进入影响油品品质;
8. 选择防粘结能力强的薄膜, 可有效减少沉渣附着, 利于清洗;
9. 选择防腐性能优良的薄膜, 减少维修工作, 降低维修风险;
10.降低油气回收改造和底部装油改造投资。
本实用新型可用于立式储油罐改造、 卧式储油罐、 设备油箱及改造, 对现在储油罐的改造筒单易行; 其实施可消除目前绝大部分油蒸汽污染, 并避免浮顶储油罐的浮顶沉盘事故。 附图说明
图 1是本实用新型总体结构示意图;
图 2是本实用新型实施方式二 (立式储油罐改造)结构示意图; 图 3是本实用新型实施方式三 (卧式储油罐)结构示意图;
图 4是图 3的侧视图;
图 5是本实用新型实施方式四 (浮子一端固定在油泵总成上的设备油 箱改造)结构示意图;
图 6是图 5的俯视图;
图 7是本实用新型实施方式五 (浮子一端固定在壳体上的设备油箱改 造)结构示意图;
图 8是图 7的俯视图;
图 9是新设备油箱结构示意图。
图中零部件标号:
1- - 壳体; 2- - 膜; 3- - 膜安装口; 4- - 膜固定段;
5" - 盖板; 6- - 进油管; 7- - 出油管; 8- - 快速接头;
9- - 阀门; 10- - 呼吸口; 11- - 安全阀; 12- - 油泵总成;
13- - 油泵总成安装口; 14- - 油箱浮子; 15- - 油箱浮子安装口;
16- - 防堵筛管; 17- - 呼吸管; 18- - 呼吸口堵头; 19- - 油箱盖板。 具体实施方式
下面结合附图和实施例对本实用新型进一步说明。
实施方式一: 立式储油罐改造
如图 2, 包括壳体 1、 进油管 6、 出油管 7和呼吸口 10; 壳体 1内设 有大于其容积的膜 2,膜 2的上部固定于壳体 1的上部边缘周围膜固定段 4处, 膜 2的其余部分与壳体 1处于分离状态, 膜 2的内层与呼吸口 10 连通, 膜 2隔离壳体 1的内腔和空气; 进油管 6、 出油管 7设在壳体 1的 底部, 与壳体 1的内腔连通; 进油管 6、 出油管 7均设有阀门 9和快速接 头 8, 壳体 1的顶部设有安全阀 11; 呼吸口 10设于壳体 1的顶部。
安全阀 11的作用同原内浮顶储油罐上的呼吸阀的呼出作用一致, 在 压力过大时以保证储罐安全。
安全阀 11的下部连接有壁上布有孔的防堵筛管 16, 防堵筛管 16延 伸到壳体 1的中下部。 可防止膜 2堵塞安全阀 11。
其中膜 2在正常使用温度范围内柔软耐折叠,耐相应的油及油中杂质 的腐蚀, 耐受正常使用的温度, 不易燃烧, 不透气, 具有防静电的特性。 可采用氟塑料、 聚氨酯、 丁晴橡胶、 乙烯-乙烯醇共聚物、 聚偏二氯乙烯、 尼龙等耐油材料改性 (如添加抗静电剂增加导电性)后达到上述要求, 或与 其它材料 (如聚乙烯等)组成复合膜 (如多层复合共挤膜等)。 膜材料的选取 可根据储品及储存条件进行选择。
当油品由进油管 6进入储油罐时, 油品对膜 2内的空气进行挤压, 使膜 2内的气体从呼吸口 10呼出; 当油品由出油管 7流出储油罐时, 空 气从呼吸口 10进入膜 2中; 当温度变化导致气体体积变化时, 气体由呼 吸口 10进出。 所有的呼吸作用都是发生在膜 2的内腔, 从而隔绝了油品 与空气的接触, 抑制了蒸发。
安全阀(11)的作用是在油蒸汽压力过高时向外释放油蒸汽,安全阀 11 的压力等级与现有的储罐呼吸阀的呼出压力等级一致,以使现有储罐完全 可用。
实施方式二: 卧式储油罐
如图 3、 4, 包括壳体 1、 进油管 6、 出油管 7和呼吸口 10, 壳体 1 内设有大于其容积的膜 2,膜 2的顶部固定于壳体 1的上部膜安装口 3周 围膜固定段 4处,膜 2的其余部分与壳体 1处于分离状态,膜 2的内层与 呼吸口 10连通, 膜 2隔离壳体 1内腔和空气; 进油管 6设在壳体 1的顶 部, 出油管 7设在壳体 1的底部, 与壳体 1的内腔连通, 进油管 6、 出油 管 7均设有阀门 9和快速接头 8。进油口 6和出油口 7也可合并设于底部。
呼吸口 10处设有呼吸口堵头 18。 当油品卸完后盖上呼吸口堵头 18 以抑制残油在膜 2自重形成的微小负压作用产生蒸发, 呼吸口堵头 18在 下次加油前打开。
安全阀 11和进油管 6固定于壳体 1的顶部的盖板 5上。 盖板 5下方 连接有壁上布有孔的防堵筛管 16, 防堵筛管 16延伸到壳体 1的中下部。 可防止膜 2堵塞安全阀 11 , 并使进油管 6进油通畅。
其材料选择及呼吸作用与实施方式一基本相同, 不再赘述。
实施方式三: 浮子一端在油泵总成上的设备油箱改造
如图 5、 6, 包括壳体 1、 进油管 6、 出油管 7和呼吸口 10; 壳体 1 内设有大于其容积的膜 2,膜 2的上部固定于壳体 1上部油泵总成安装口 13周围两层的膜固定段 4处, 膜 2的其余部分与壳体 1处于分离状态, 膜 2的内层与呼吸口 10连通, 膜 2隔离壳体 1内腔和空气; 进油管 6、 出油管 7设在壳体 1的顶部, 与壳体 1的内腔连通。 壳体 1与膜 2之间设有油泵总成 12,油泵总成 12安装于油泵总成安 装口 13下方, 浮子 14安装于油泵总成 12上, 浮子 14在膜 2的下方; 出 油管 7与油泵总成 12连接。
呼吸口 10位于油泵总成安装口 13周围两层的膜固定段 4之间,呼吸 口 10连接有呼吸管 17, 呼吸管 17的出口处设有呼吸口堵头 18。
进油管 6下连接有壁上布有孔的防堵筛管 16, 防堵筛管 16延伸到壳 体 1的中下部, 进油管 6外端设有油箱盖板 19。 油箱原有安全阀 11在油 箱盖板 19上。 防堵筛管 16起到避免膜 2堵塞安全阀 11并使加油畅通的 作用。
当对设备 (汽车)油箱进行加油时, 先关闭呼吸口堵头 18, 然后打开油 箱盖板 19, 用加油枪闷盖压住, 再打开呼吸口堵头 18进行加油。 油品流 入, 挤出膜 2内的空气。 先关闭呼吸口堵头 18可防止膜 2内空气逸出, 导致空气由进油管 6进入油箱。
当油箱中油品流出时, 空气沿呼吸管 17、 呼吸口 10进入油箱, 到油 泵总成 12周围被膜 2隔离的空间中。
以此隔断了油品和空气直接接触。
其材料选择与实施方式一相同, 不再赘述。
实施方式四: 浮子一端在壳体上的设备油箱改造
如图 7、 8, 包括壳体 1、 进油管 6、 出油管 7和呼吸口 10; 壳体 1 内设有大于其容积的膜 2,膜 2的上部固定于壳体 1上部油箱浮子安装口 15的膜固定段 4处, 膜 2的其余部分与壳体 1处于分离状态, 膜 2的内 层与呼吸口 10连通, 膜 2隔离壳体 1内腔和空气; 进油管 6、 出油管 7 设在壳体 1的顶部, 与壳体 1的内腔连通。
壳体 1与膜 2之间设有油泵总成 12, 油泵总成 12安装于油泵总成安 装口 13下方, 出油管 7与油泵总成 12连接。
壳体 1中设有浮子 14, 浮子 14的一端与壳体 1顶部浮子安装口 15 连接, 浮子 14在膜 2的上方。
呼吸口 10位于浮子安装口 15上, 呼吸口 10连接有呼吸管 17, 呼吸 管 17的出口处设有呼吸口堵头 18。
其材料选择与实施方式一相同, 防堵安全设施、油品进出及呼吸作用 当浮子与油泵分离采用立式浮子时,其改造同实施方式四,不再赘述。 实施方式五: 新设备油箱:
如图 9, 包括壳体 1、 进油管 6、 出油管 7和呼吸口 10; 壳体 1内设 有大于其容积的膜 2, 膜 2的上部固定于壳体 1上部油泵总成安装口 13 和进油管 6周围的膜固定段 4处,膜 2的其余部分与壳体 1处于分离状态, 膜 2的内层与进油管 6、 出油管 7连通; 进油管 6、 出油管 7设在壳体 1 的顶部, 进油管 6设有阀门 9和快速接头 8; 呼吸口 10与壳体 1的内腔 连通。
安全阀 11位于进油管 6上方。
油泵总成安装口 13下方的油泵总成 12在膜 2内,出油管 7与油泵总 成 12连接; 浮子 14安装于油泵总成 12上, 油泵总成 14位于膜 2内。
该实施例和上述几种略有不同,该实施例的油品是装于膜 2内部,但 依然是通过膜 2来隔离油品和空气,通过膜 2来抑制蒸发,呼吸作用发生 在膜 2外来消除呼吸损耗。
当对设备 (汽车)油箱进行进行加油时, 连接快速接头 8, 再打开阀门 9进行加油。 油品流入膜 2内, 膜 2外的空气由呼吸口 10排出。
当油箱中油品流出时, 空气从呼吸口 10进入填补因油品从膜 2流出 形成的空间。
其材料选择与实施方式一相同, 不再赘述。 本实用新型的储油装置也可应用于低压、常压储存运输油品以外的其 它储品, 如甲醇、 乙醇和其它适宜低压、 常压储存的化学液态制剂。 也可 应用于水运。
上面已结合附图对本实用新型的具体实施方式进行了示例性的描述, 显然本实用新型不限于此,在本实用新型范围内进行的各种改型均没有超 出本实用新型的保护范围。

Claims

权 利 要 求
、 一种膜隔离式油品储运装置, 包括壳体 (1)、 进油管 (6)、 出油管 (7)和呼 吸口(10), 其特征在于, 壳体 (1)内设有大于其容积的膜 (2), 膜 (2)的上 部局部固定于壳体 (1)上部, 膜 (2)的其余部分与壳体 (1)处于分离状态, 膜 (2)的内层与呼吸口(10)连通, 膜 (2)隔离壳体 (1)的内腔和空气; 进油 管 (6)、 出油管 (7)设在壳体 (1)的顶部或底部, 与壳体 (1)的内腔连通, 进 油管 (6)、 出油管 (7)均设有阀门(9)和快速接头 (8), 壳体 (1)的顶部设有安 全阀(11)及盖板 (5), 所述的安全阀(11)和进油管 (6)固定于盖板 (5)上,盖 板 (5)下方连接有壁上布有孔的防堵筛管(16), 防堵筛管(16)延伸到壳体 (1)的中下部。 、 根据权利要求 1所述的膜隔离式油品储运装置, 其特征在于, 所述的 呼吸口(10)设于壳体 (1)顶部, 呼吸口(10)处设有呼吸口堵头(18)。 、 根据权利要求 1所述的膜隔离式油品储运装置, 其特征在于, 所述的 膜 (2)固定于壳体 (1)的上部边缘周围。 、 一种膜隔离式油品储运装置, 包括壳体 (1)、 进油管 (6)、 出油管 (7)、 呼 吸口(10)和浮子 (14), 其特征在于, 壳体 (1)与膜 (2)之间设有油泵总成 (12),出油管 (7)与油泵总成 (12)连接,壳体 (1)内设有大于其容积的膜 (2), 膜 (2)的上部局部固定于壳体 (1)上部,膜 (2)的其余部分与壳体 (1)处于分 离状态, 膜 (2)的内层与呼吸口(10)连通, 并隔离壳体 1内腔和空气; 进 油管 (6)、 出油管 (7)设在壳体 (1)的顶部, 与壳体 (1)的内腔连通, 进油管 (6)的下部连接有壁上布有孔的防堵筛管(16), 防堵筛管(16)延伸到壳体 (1)的下部, 进油管 (6)外端设有油箱盖板 (19)。 、 根据权利要求 4所述的膜隔离式油品储运装置, 其特征在于, 所述的 膜 (2)的上部固定于壳体 (1)上部的油泵总成安装口(13)周围, 呼吸口 10 位于油泵总成安装口(13)周围两层的膜固定段 (4)之间,浮子 (14)安装于 油泵总成 (12)上。
、 根据权利要求 4所述的膜隔离式油品储运装置, 其特征在于, 所述的 膜 (2)的上部固定于壳体 (1)上部的浮子安装口(15)周围,呼吸口(10)位于 浮子安装口(15)上, 浮子 (14)的一端与浮子安装口(15)连接, 浮子 (14) 在膜 (2)的上方。 、 根据权利要求 4所述的膜隔离式油品储运装置, 其特征在于, 所述的 呼吸口(10)连接有呼吸管(17), 呼吸管(17)出口处设有呼吸口堵头(18)。 、 一种膜隔离式油品储运装置, 包括壳体 (1)、 进油管 (6)、 出油管 (7)、 呼 吸口(10)和浮子 (14), 其特征在于, 所述的壳体 (1)内设有大于其容积的 膜 (2), 膜 (2)的上部固定于壳体 (1)上部油泵总成安装口(13)和进油管 (6) 周围的膜固定段 (4)处, 膜 (2)的其余部分与壳体 (1)处于分离状态, 膜 (2) 的内层与进油管 (6)、 出油管 (7)连通, 并与壳体 (1)的内腔隔离; 进油管 (6)、 出油管 (7)设在壳体 (1)的顶部, 呼吸口(10)与壳体 (1)的内腔连通, 进油管 (6)设有阀门(9)和快速接头 (8); 安全阀(11)位于进油管 (6)上方; 油泵总成 (12)在膜 (2)内。
PCT/CN2009/076237 2008-12-31 2009-12-30 膜隔离式油品储运装置 WO2010075786A1 (zh)

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CN101804856A (zh) * 2010-03-30 2010-08-18 中国船舶重工集团公司第七〇二研究所 深潜器用补偿膜式充油接线箱
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