WO2007147316A1 - Citerne de caburant en terre sécuritaire pour l'environnement - Google Patents

Citerne de caburant en terre sécuritaire pour l'environnement Download PDF

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Publication number
WO2007147316A1
WO2007147316A1 PCT/CN2007/001537 CN2007001537W WO2007147316A1 WO 2007147316 A1 WO2007147316 A1 WO 2007147316A1 CN 2007001537 W CN2007001537 W CN 2007001537W WO 2007147316 A1 WO2007147316 A1 WO 2007147316A1
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WO
WIPO (PCT)
Prior art keywords
tank
oil
storage tank
environmentally
safe
Prior art date
Application number
PCT/CN2007/001537
Other languages
English (en)
French (fr)
Inventor
Xiaodong Huang
Original Assignee
Xiaodong Huang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiaodong Huang filed Critical Xiaodong Huang
Priority to NZ572087A priority Critical patent/NZ572087A/en
Priority to CN200780006718XA priority patent/CN101389552B/zh
Priority to JP2009514617A priority patent/JP4846844B2/ja
Priority to KR1020087029237A priority patent/KR101049994B1/ko
Priority to AU2007262532A priority patent/AU2007262532C1/en
Priority to US12/280,340 priority patent/US8511505B2/en
Publication of WO2007147316A1 publication Critical patent/WO2007147316A1/zh
Priority to HK09103734.6A priority patent/HK1125350A1/xx

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D88/00—Large containers
    • B65D88/76—Large containers for use underground
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/028—Wall construction hollow-walled, e.g. double-walled with spacers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/10—Manholes; Inspection openings; Covers therefor
    • B65D90/105—Manholes; Inspection openings; Covers therefor for underground containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B65D90/325—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure due to explosion, e.g. inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
    • B65D90/501—Arrangements of indicating or measuring devices of leakage-indicating devices comprising hollow spaces within walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use

Definitions

  • the invention relates to an oil storage tank, in particular to a safe and environmentally-friendly buried oil storage tank, which can effectively prevent oil spilling and prevent leakage or leakage of the tank wall, and belongs to the technical field of storage safety of the buried oil storage container. Background technique
  • the storage tanks of the refueling (gas) stations in the prior art are mostly buried, and the buried oil storage tanks are arranged in the underground tanks.
  • the tanks are generally pools, and the cavities between the tanks and the tanks are used.
  • Neutral fine sand or sandbag filling, the thickness of the top of the tank should not be less than 0.5 m, and the filling thickness around the tank should not be less than 0.9 m.
  • the purpose of filling the tank with sand is that there is no air between the tank and the tank, so that the oil and gas do not mix to form a blasting space, and the explosion-proof effect is obtained.
  • the current buried storage tanks have single-walled tanks, and some of the existing above-ground storage tanks have the purpose of preventing collision and heat insulation. That is to say, the technical defects of the existing oil storage tank structure are that the phenomenon of overflow, roofing and the like of the oil filling and the leakage or leakage of the oil storage tank wall cannot be found and processed in time, and there is a big problem. Security risks.
  • One of the technical problems to be solved by the present invention is to provide a safe and environmentally-friendly buried oil storage tank according to the deficiencies of the prior art, and a barrier-proof explosion-proof material is arranged in the oil storage tank to prevent open flame, static electricity, welding Accidental burning and explosion accidents caused by shooting, collision and mishandling ensure the safety of the storage tank.
  • the second technical problem to be solved by the present invention is to provide a safety and environmental protection type against the deficiencies of the prior art.
  • Buried oil storage tank the double-wall tank structure can effectively overcome oil, gas leakage and leakage, avoid serious damage to the soil around the gas station and damage of groundwater resources; It is equipped with a leaking oil detection device, which can detect the volatilization of oil and gas, and timely discover and timely repair the oil on the tank wall.
  • the oil spill pool installed in the manhole of the tank can prevent oil spillage during oil injection. If you find out, take precautionary measures.
  • the utility model relates to a safe and environment-friendly buried oil storage tank, wherein the tank body adopts a double-layer structure of inner and outer tank walls, and an interlayer is formed between the inner and outer tank walls, and the interlayer formed in the tank inner cavity and the double-layer tank wall
  • the medium is filled with a barrier explosion-proof material, and an oil leakage detecting device is arranged in the double-layer tank wall interlayer, and an oil spill pool is opened at the manhole cover of the tank body, and the bottom of the oil spill pool is connected with the double-layer tank wall interlayer.
  • the tank body is provided with a shaft, and the top end thereof is disposed at a corresponding position of the tank body and the manhole cover, and the shaft is a frame vertically penetrating the tank body in the radial direction, and the two ends are respectively provided with upper
  • the lower arc type end plate has more than one inner tank in the frame of the shaft, and each inner tank is filled with a barrier-proof material.
  • a clearing tunnel is arranged at the bottom of the tank body, and the cleaning tunnel is surrounded by a semi-circular metal mesh and a supporting skeleton disposed at a lower portion thereof. Both ends of the cleaning tunnel are in close contact with the inner wall of the tank, and are also covered on the metal mesh. There is a layer of filters.
  • the barrier explosion-proof material filled in the inner cavity of the tank is a barrier explosion-proof unit body
  • the block explosion-proof material unit body comprises a frame surrounded by angle steel, and a protective net meshed with steel wire is arranged outside the frame, and the frame is filled with a sheet with a high-porosity structure. Material or spheroid material.
  • the barrier-proof material filled in the tank interlayer is a high-porosity sheet material, which is wound on the outer wall of the inner tank and filled with interlayer space.
  • the frame shape of the explosion-proof unit body may be a cube, a rectangular parallelepiped, a triangular cylinder, a cylinder or an irregular shape.
  • the oil spill detection device is provided in the oil spill tank, and the device and the signal conversion/power amplification controller are provided. And the alarm is connected.
  • the oil storage tank is provided with a barrier-proof material, it can prevent accidental burning and explosion accidents caused by open flame, static electricity, welding, shooting, collision and misoperation, and ensure the intrinsic safety of the oil storage tank;
  • the oil storage tank is a double-wall tank structure, which can effectively overcome the leakage and leakage of oil and gas, and avoid serious damage to the soil around the gas station and damage to groundwater resources;
  • an oil leakage detecting device is provided, which can detect the volatilization of the oil and gas mixed gas, and timely discover and timely repair the oil to the tank wall;
  • the oil spill pool installed at the manhole of the tank can prevent oil spillage and roofing during oil injection. Once found, Take timely preventive measures.
  • Figure 1 is a schematic view showing the overall structure of the present invention
  • Figure 2 is a partial enlarged view of a portion A of Figure 1 of the present invention.
  • 3 to 5 are schematic structural views of a barrier-proof material unit according to the present invention.
  • Figure 6 is a schematic view showing the structure of the barrier explosion-proof material unit filled in the storage tank of the present invention.
  • Figure 7 is a partial structural schematic view of the oil spill pool of the present invention.
  • Figure 8 is a schematic structural view of a connecting rib on the inner wall of the oil storage tank of the present invention.
  • Figure 9 is a schematic view showing the internal structure of a can body provided with a partition panel of the present invention.
  • the main reference numerals are as follows:
  • barrier explosion-proof material 31 3 barrier explosion-proof material 31, 3 ⁇ , 31" barrier explosion-proof material unit body 311 frame 311 'rectangle frame 311" triangular cylinder frame 312 filler 32 cross-shaped stator
  • Figure 1 is a schematic view of the overall structure of the present invention.
  • the present invention provides a safe and environmentally-friendly buried oil storage tank, which has a double-layer structure of an inner tank wall 11 and an outer tank wall 12, which is formed between the inner and outer tank walls.
  • the barrier explosion-proof material 3 filled in the inner cavity of the can body 1 is a barrier-proof explosion-proof unit body 31, and the barrier-proof explosion-proof material 3 filled in the interlayer 13 is a sheet-like material having a high-porosity structure, and the multilayer is wound on the outer wall of the inner can and filled with the interlayer 13 space.
  • Figure 2 is a partial enlarged view of the ⁇ portion of Figure 1 of the present invention. As can be seen from Figure 2, the sandwich 13 in the double tank An oil leakage detecting device 2 is provided, and the detecting device 2 is connected to the signal conversion/power amplification controller 21 and the alarm device 22.
  • the probe 23 of the detecting device 2 extends into the interlayer 13, and once the tank leaks or leaks, The leaked oil vapor is quickly dissipated into the interlayer 13 of the double tank wall, and the probe 23 of the detecting device 2 can detect the mixed gas of the diffused oil and gas, and the detected signal is transmitted through the conversion/power amplification controller 21.
  • the alarm device 22 is caused to generate an alarm, timely discovering and timely repair welding, eliminating soil damage around the gas station and pollution of groundwater resources.
  • the detecting device 2 can adopt a commercially available XP-314 flammable gas detector, which is a gas heat conduction type, which can be used for artificial gas, natural gas, CH 4 , H 2 . , He, C0 2, etc.
  • the detection range is 0-100 vol %.
  • the inner cavity of the can body 1 is filled with a barrier blasting material 3, and an oil sump 4 is disposed at the manhole cover 14 of the can body 1, and the bottom of the oil sump 4 and the interlayer 13 communicate with each other.
  • a shaft 5 is opened in the tank body 1, and the structure of the shaft 5 is in Chinese patent number ZL01144635.
  • the invention is described in the invention patent entitled “Removable and repairable barrier, explosion-proof underground storage tank", the top end of which is disposed on the tank body 1 corresponding to the manhole cover 14, the shaft 5 is
  • the frame of the tank body 1 is vertically penetrated in the radial direction, and the upper and lower arc-shaped end plates (not shown) are respectively disposed at two ends thereof, and the inner shaft 5 has more than one inner tank in the frame, and each inner liner Filled with a sheet-like barrier explosion-proof material or a spheroid, and at the same time, a cleaned tunnel 6 is provided at the bottom of the inner cavity of the tank 1, such as the patent number ZL01144635.8, the name of the invention is "cleanable and repairable barrier, explosion-proof underground As described in the invention of the oil storage tank, the cleaning tunnel 6 is surrounded by a semicircular metal mesh and a supporting frame provided at a lower portion thereof, and both ends of the cleaning tunnel 6 are in contact with the inner wall of the can body 1. Tightly,
  • FIG. 3 to FIG. 5 are respectively schematic structural views of the barrier explosion-proof material unit of the present invention. Taking FIG.
  • the explosion-proof material unit body 31 includes a frame 311 surrounded by angle steel, and the frame 31 1 is provided with a steel mesh woven protective net 3111, so that the debris of the protective material is mixed in the medium.
  • the frame 311 is filled with a mesh-like material 312 (or spheroid material) of a sheet-like high-porosity structure, which is made of a special metal foil by a wire drawing machine to form a sheet-like high-porosity mesh structure or a spheroidal body (spherical shape).
  • the body is made by reworking the sheet material).
  • the pores of the filled mesh material 312 can be made from top to bottom and from large to small. As shown in FIG. 4 and FIG.
  • the frame 311 of the explosion-proof material unit 31 can be used in various shapes to match the real Filled into different locations within the tank, there are different options for its shape.
  • the frame 311 is a square body, and a rectangular parallelepiped frame 311 ' as shown in FIG. 4, a triangular cylinder frame 311 as shown in FIG. 5, or a cylinder or an irregular shape may be used. Wait.
  • the structural diagram of the unit for blocking explosion-proof material of the present invention is filled in a storage tank.
  • a triangular cylinder frame 311" is used for the barrier-proof material unit 31" near the wall of the tank body, and a rectangular parallelepiped frame 311 is used in the middle.
  • the barrier-proof material unit 31' is blocked, and the frame of the explosion-proof material unit is fixed by the cross-shaped fixing piece 32, and finally the frame 311 is filled in the herringbone hole as the block-shaped explosion-proof material unit 31 or the cylindrical body (in the figure) Not shown), the filling process is completed.
  • the shape of the explosion-proof material unit body inside the semi-spherical balls on both sides is also taken into consideration.
  • the unit body of the explosion-proof material is removed from the tank in turn, the tank body is emptied, the operation is convenient, the time is saved, and the labor intensity is low.
  • FIG. 7 it is a partial structural diagram of the oil spill pool of the present invention.
  • an oil leakage hole 41 is formed in the bottom of the oil spill tank 4, and the oil spillhole 4 and the interlayer 13 of the can body 1 communicate with each other through the arrangement of the oil leakage hole 41.
  • the oil spill detecting device is also provided in the oil spill tank 4. 2.
  • the device includes a probe 23, a signal conversion/power amplification controller 21, and an alarm 22.
  • the probe 23 in the oil leakage detecting device 2 which is also disposed in the interlayer 13, detects the leaking oil vapor, and the generated electric signal passes the signal.
  • the conversion/power amplification controller 21 is transmitted to the alarm device 22, and the alarm device 22 receives an alarm and alerts the operator to take appropriate measures.
  • the double setting of the oil leakage detecting device not only improves the sensitivity of the detection, but also prevents the failure of one of the detecting devices, and the leakage of the oil vapor leakage when the working device is inoperable, thereby avoiding potential safety hazards.
  • FIG. 8 and 9 are respectively a partial structural schematic view of a double-layer tank wall of an oil storage tank of the present invention and a structural view of a connecting rib on the inner wall of the oil storage tank of the present invention.
  • the inner tank wall 11 and the outer tank wall 12 of the tank body 1 are made of carbon steel Q235, and the wall thickness thereof is different.
  • the thickness of the outer tank wall is smaller than the thickness of the inner tank wall, mainly due to the outer tank wall.
  • the outer cans are separately processed into two outer semi-tanks according to a conventional can processing method, and then the inner sleeves are placed on the inner can. Therefore, as shown in Fig.
  • a connecting rib 121 is fixed to the outer side of the inner can wall 12 for connection and support between the inner and outer can walls.
  • the connecting ribs 121 are generally linearly spaced along the axial direction of the can body 1, preferably having a width of 40-50 mm.
  • the spacing between the inner and outer can walls, that is, the thickness of the interlayer 13 is 30-50 mm.
  • the storage tank The outer wall is further provided with an anti-corrosion layer 7 and an insulation layer 8.
  • the anti-corrosion layer 7 is coated on the outer tank wall by a special-strength asphalt anti-corrosion protection layer material, and some are made of a special-strength grade epoxy mold asphalt anticorrosive material, and the outer tank wall Implement corrosion protection.
  • an oil discharge valve 9 is provided at the bottom of the tank body 1, and one end of the oil discharge valve 9 communicates with the interlayer 13, and the other end communicates with the tank body 1 to draw the overflow medium back to the tank.
  • Embodiment 2 is provided at the bottom of the tank body 1, and one end of the oil discharge valve 9 communicates with the interlayer 13, and the other end communicates with the tank body 1 to draw the overflow medium back to the tank.
  • Figure 9 is a schematic view showing the internal structure of a can body provided with a partition panel of the present invention.
  • the arrangement of the partition panel 10 enhances the strength of the oil storage tank body on the one hand, and separates the oil storage tank into separate compartments on the other hand, and can simultaneously hold two or more gasolines of different oil grades, such as : 90 #, 93 #, 97 # ⁇ , to meet the needs of storing a variety of oils in the same storage tank.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Description

安全环保型埋地储油罐 技术领域
本发明涉及一种储油罐， 尤其是一种安全环保型埋地储油罐， 可有效防止注油溢 出， 预防罐壁渗漏或泄漏， 属于埋地储油容器的储存安全技术领域。 背景技术
现有技术中的加油 （气） 站的储罐大都是采用埋地式， 埋地储油罐设置在地下的 罐池内， 罐池一般为砼池， 罐池与罐体之间的空腔用中性细沙或沙包填实， 罐顶覆盖 厚度要求不应小于 0.5米， 罐体周边填充厚度不应小于 0.9米。在罐池内填充沙土的目 的， 在于使罐池与罐体之间不存有空气， 使油、 气混合不能形成燃爆空间， 具有防爆 效果。 储罐在注油时， 由于操作失误出现溢出、 冒顶等现象， 溢出来的汽油即可被沙 土所吸收； 由于在埋地储罐施工中用沙量较大， 工程难度高， 有的加油站不按上述规 范施工， 只是在罐池底部填些沙子， 更有甚者罐池内不填沙， 由此带来的隐患十分严 重。 此外， 在使用过程中会罐壁出现渗漏或泄漏现象， 再加上罐池地基的下沉等原因， 造成罐池底部的防水层出现裂痕， 罐内介质很容易透过罐壁对罐体周边土壤以及地下 水资源造成无法挽救的危害。 另外， 目前埋地式储油罐有单壁罐， 且现有地上储油罐 有的采用双壁罐的目的主要起到防撞和隔热的效果。 也就是说， 现有的储油罐的结构 存在的技术缺陷是对于注油出现的溢出、冒顶等现象以及储油罐壁渗漏或泄漏的问题， 均无法及时发现和处理， 存在很大的不安全隐患。
本发明的埋地储油罐中， 设置竖井和清污隧道， 罐内填充阻隔防爆材料， 上述内 容在本申请人的在先专利申请中均已予以公开， 如： 中国专利 ZL01144635.8、 申请号 为 200510067976.1、 200510066233.2的文件， 所公开的内容用作本专利申请的参考文 件。 发明内容
本发明要解决的技术问题之一在于， 针对现有技术的不足， 提供一种安全环保型 埋地储油罐， ώ于储油罐内设置有阻隔防爆材料， 可预防因明火、 静电、 焊接、 枪击、 碰撞和误操作等引发的意外燃烧、 爆炸事故， 确保储油罐安全。
本发明要解决的技术问题之二在于， 针对现有技术的不足， 提供一种安全环保型 埋地储油罐， 该储油罐为双壁罐结构， 可有效地克服油、 气渗漏、 泄漏， 避免对加油 站周边的土壤造成严重损害及地下水资源的破坏； 在双壁罐腔中设有漏.油检测装置， 可检测到油、 气的挥发， 及时发现、 及时对罐壁带油补焊； 同时在罐体的人孔处设置 的溢油池， 可预防注油时出现溢油、 冒顶等现象， 一旦发现， 及时采取防范措施。
本发明所解决的上述问题， 是通过如下技术方案实现的：
一种安全环保型埋地储油罐， 其罐体釆用内、 外罐壁双层结构， 在内、 外罐壁之 间形成有夹层， 在罐体内腔和双层罐壁所形成的夹层中分别填充有阻隔防爆材料， 同 时在双层罐壁夹层中设置有漏油检测装置， 在罐体人孔盖处开设有溢油池， 该溢油池 的底部与双层罐壁夹层连通。
为了方便的进行维修和清污， 罐体内幵设有竖井， 其顶端设置在罐体内与人孔盖 的对应位置， 该竖井为沿径向垂直贯穿罐体的框架， 其两端分别设有上、 下圆弧型端 板， 竖井的框架内设有一个以上内胆， 每个内胆内部填充有阻隔防爆材料。 罐体内底 部设有清污隧道， 该清污隧道由半圆形金属网与其下部设置的支撑骨架围设而成， 清 污隧道的两端部与罐体内壁抵紧， 在金属网上还覆设有一层过滤网。 通常情况下， 罐 体内腔和夹层内填充的阻隔防爆材料的结构是不同的。 罐体内腔填充的阻隔防爆材料 为阻隔防爆单元体， 该阻隔防爆材料单元体包括由角钢围设而成的框架， 框架外设有 钢丝编织成的防护网， 框架内填充高孔隙结构的片状材料或球状体材料。 罐体夹层内 填充的阻隔防爆材料为高孔隙结构的片状材料， 多层缠绕在内罐体外壁上并充满夹层 空间。 根据不同的使用需要， 阻隔防爆单元体的框架形状可以为正方体、 长方体、 三 角柱体、 圆柱体或不规则形体。 为了更好的防止储油罐在注油过程中出现的溢油、 冒 顶等现象进行及时监控和处理， 在所述的溢油池内设有漏油检测装置， 该装置与信号 转换 /功率放大控制器及报警器连接。
综上所述， 本发明的有益效果在于-
1、 由于储油罐内设置有阻隔防爆材料， 可预防因明火、 静电、 焊接、 枪击、 碰 撞和误操作等引发的意外燃烧、 爆炸事故， 确保储油罐的本质安全；
2、 该储油罐为双壁罐结构， 可有效地克服油、 气的渗漏、 泄漏， 避免加油站周 边的土壤造成严重损害及对地下水资源的破坏；
3、 在双壁罐腔中设有漏油检测装置， 可检测到油、 气混合气体的挥发， 及时发 现、 及时对罐壁带油补焊；
4、 在罐体人孔处设置的溢油池， 可预防注油时溢油、 冒顶等现象， 一旦发现， 及时釆取防范措施。
以下结合附图和具体实施例对本发明的技术方案做进一步地详细说明。 附图说明
图 1为本发明整体结构示意图；
图 2为本发明图 1的 A部分局部放大图；
图 3-图 5为本发明阻隔防爆材料单元的结构示意图；
图 6为本发明阻隔防爆材料单元填充在储罐内的结构示意图；
图 7为本发明溢油池的局部结构示意图；
图 8为本发明储油罐内壁上的连接筋结构示意图；
图 9为本发明设有隔舱板的罐体内部结构示意图。 主要附图标记说明如下：
1罐体 11内罐壁 12外罐壁 121连接筋 13夹层 14人孔盖
2检测装置 21信号转换 /功率放大控制器 22报警器连接 23探头
3 阻隔防爆材料 31、 3 Γ、 31 " 阻隔防爆材料单元体 311 框架 311 ' 长方 体框架 311 "三角柱体框架 312填充物 32十字形固定片
4溢油池 41漏油孔 42防雨盖板
5竖井
6清污隧道 61防护网
7防腐层 8隔热层 9卸油阀 10隔舱板 具体实施方式
实施例一
图 1为本发明整体结构示意图。 从图 1中可知， 本发明提供了一种安全环保型埋 地储油罐， 其罐体 1釆用内罐壁 11、 外罐壁 12的双层结构， 在内、 外罐壁之间形成 有夹层 13， 通常情况下， 罐体 1 内腔和夹层 13 内填充的阻隔防爆材料 3的结构是不 同的。 罐体 1 内腔填充的阻隔防爆材料 3为阻隔防爆单元体 31， 而夹层 13内填充的 阻隔防爆材料 3 为高孔隙结构的片状材料， 多层缠绕在内罐体外壁上并充满夹层 13 空间。 图 2为本发明图 1 的 Α部分局部放大图。 从图 2中可知， 在双层罐的夹层 13 中设置有漏油检测装置 2， 该检测装置 2与信号转换 /功率放大控制器 21及报警器 22 连接， 检测装置 2的探头 23伸入到夹层 13内部， 一旦罐体发生渗漏或泄漏， 渗漏的 油汽迅速散发到双罐壁的夹层 13中， 检测装置 2的探头 23即可检测到扩散的油、 气 的混合气体， 并将检测到的信号经过转换 /功率放大控制器 21输送给报警器 22引起报 警， 及时发现、 及时进行补焊， 免除加油站周边土壤的损害及对地下水资源的污染。 通常情况下， 在实际的应用中， 所述的检测装置 2可以采用市售的 XP-314型可燃性 气体检测器， 该装置为气体热传导式， 可以对人工煤气， 天然气， CH4， H2， He, C02 等进行检测， 其检测范围 0-100 vol %。 如图 1所示， 在罐体 1内腔填充有阻隔防爆材 料 3，在罐体 1的人孔盖 14处幵设有溢油池 4，该溢油池 4的底部与夹层 13彼此连通。 为了使该储油罐的安全防爆性能更高， . 如图 1所示， 为了方便储油罐的维修和清污， 罐体 1 内开设竖井 5， 该竖井 5的 结构在中国专利号为 ZL01144635.8、 发明名称为 "可清洗和维修的阻隔、 防爆地下储 油罐" 的发明专利中所描述的那样， 其顶端设置在罐体 1上与人孔盖 14的对应位置， 该竖井 5为沿径向垂直贯穿罐体 1的框架， 其两端分别设有上、 下圆弧型端板 （图中 未示出）， 竖井 5的框架内设有一个以上内胆， 每个内胆内部填充有片状阻隔防爆材料 或球状体， 同时在罐体 1的内腔底部还设有清污隧道 6， 如专利号为 ZL01144635.8、' 发明名称为 "可清洗和维修的阻隔、 防爆地下储油罐" 的发明专利中所描述的那样，· 该清污隧道 6由半圆形金属网与其下部设置的支撑骨架围设而成， 清污隧道 6的两端 部与罐体 1 内壁抵紧， 在金属网上还覆设有一层过滤网 61。
在实际的应用过程中， 夹层 13 内和罐体 1 内腔填充的阻隔防爆材料 3的结构是 不相同的； 在罐体 1 内所填充的阻隔防爆材料 3都是由一个以上阻隔防爆材料单元体 31组成的。 关于这一点， 可以参见申请号为 200510067976.1、 发明名称为 "阻隔防爆 材料" 的发明专利申请， 或参见申请号为 20q510066233.2、 发明名称为 "阻隔防爆材 料单元体" 的发明专利申请。 为图 3-图 5分别为本发明阻隔防爆材料单元的结构示意 图。 以图 3为例， 阻隔防爆材料单元体 31， 包括由角钢围设而成的框架 311 , 框架 31 1 外设有钢丝编织成的防护网 3111， 以防护材料的碎屑混如介质中。 框架 311 内填充片 状高孔隙结构的网状材料 312 (或球状体材料）， 该网状材料 312是由特种金属箔材经 拉网机制成片状高孔隙的网格结构或球状体（球状体是将片状材料再加工而成的）。在 框架 311中， 填充的网状材料 312的孔隙可按照从上至下、 由大逐渐变小方式进行。 结合图 4、 图 5所示， 阻隔防爆材料单元 31的框架 311可以釆用多种形状， 以配合实 际填充到储油罐内的不同位置， 对其形状的有不同选择。 比如， 可以为如图 3所示的， 框架 311为正方体， 还可以如图 4所示的长方体框架 311 '、 如图 5所示的三角柱体框 架 311 "， 或者釆用圆柱体或不规则形体等。
如图 6所示， 为本发明阻隔防爆材料单元体填充在储罐内的.结构示意图。 从图 6 中可知， 将阻隔防爆材料单元填充到储油罐的过程中， 在靠近储油罐罐体壁的周围选 用三角柱体框架 311 " 的阻隔防爆材料单元 31 "， 中间选用长方体框架 311， 的阻隔防 爆材料单元 31 '， 同时用十字形固定片 32将阻隔防爆材料单元的框架进行固接， 最后 在人字孔内填装框架 311为正方体的阻隔防爆材料单元 31或圆柱形体（图中未示出）， 完成装填过程。 对于填充卧式储罐， 还要考虑到两侧半圆球内的阻隔防爆材料单元体 的形体。 在对罐体和罐内阻隔防爆材料进行清洗时， 只要将阻隔防爆材料单元体依次 移出罐外， 罐体清空， 操作方便， 节省时间， 劳动强度低。
如图 7所示， 为本发明溢油池的局部结构示意图。 从图 7中可知， 在溢油池 4的 底部开设有漏油孔 41， 通过该漏油孔 41的设置， 溢油池 4与罐体 1的夹层 13彼此连 通。 为了提高该储油罐的安全性能， 实现在向储油罐注油时， 一旦出现溢油、 冒顶等 现象， 能够及时釆取防范措施的目的， 在溢油池 4 内也设有漏油检测装置 2， 该装置 包括探头 23、 信号转换 /功率放大控制器 21和报警器 22。 当漏油孔 41 中的油汽渗入 到罐体 1的夹层 13中时，夹层 13中也设置的漏油检测装置 2中的探头 23就会探测到 泄漏油汽， 后产生的电信号通过信号转换 /功率放大控制器 21， 传递给报警器 22 , 报 警器 22接到信号后报警， 提醒操作人员的注意釆取相应的措施。这种漏油检测装置的 双重设置， 既提高了检测的灵敏度， 也防止其中某一检测装置发生故障， 无法工作时 对油汽泄漏的漏检， 避免存在安全隐患。 为了防止污染， 在溢油池 4上部还有防雨盖 板 42。
图 8、 图 9分别为本发明储油罐双层罐壁的局部结构示意图和本发明储油罐内壁 上的连接筋结构示意图。结合图 8可知，罐体 1的内罐壁 11和外罐壁 12采用碳钢 Q235 材质， 其壁厚有所不同， 通常外罐壁的厚度比内罐壁的厚度要小， 主要由于外罐壁起 保护作用。 在加工罐体 1 的过程中， 一般首先是按照常规的罐体加工方法， 将外罐分 开加工的两半外罐体， 然后进行对合套在内罐上。 因此， 如图 9 所示， 在内罐壁 12 的外侧固设有连接筋 121， 用于内、 外罐壁之间的连接与支撑。 连接筋 121 通常沿罐 体 1轴向直线间隔设置， 其优选宽度为 40-50毫米。 而内、 外罐壁之间的间隔， 也就 是夹层 13的厚度范围是 30-50毫米。 如图 7所示， 为了达到更好的储油效果， 储油罐 外壁还设有防腐层 7和隔热层 8 , 防腐层 7是由特加强级的沥青防腐保护层材料涂附 在外罐壁上， 有的采用特加强级环氧霉沥青防腐材料， 对外罐壁实施防腐保护。
另外，如图 1所示，在罐体 1底部设有卸油阀 9，该卸油阀 9一端与夹层 13连通， 另一端与罐体 1连通罐体内， 将溢流的介质抽回到罐体 1内。 实施例二
图 9为本发明设有隔舱板的罐体内部结构示意图。 从图 9中可知， 还可以在储油 罐的罐体 1内部设置一个或多个隔舱板 10， 将罐体 1容积分隔成两个或多个相对独立 的舱室。 隔舱板 10的设置一方面增强了储油罐罐体的强度， 另一方面， 将储油罐分隔 成各自独立的舱室， 可以同时盛装两个或两个以上不同标号油品的汽油， 如： 90 #、 93 #、 97 #等, 满足在同一个储油罐中储存多种油品的需要。
需要说明的是， 本实施例中需要在每个舱室中设置清污通道， 并相应设置排污阀 以便及时清污、 排污。

Claims

权利要求书
1、 一种安全环保型埋地储油罐， 其罐体采用内、 外罐壁双层结构， 在内、 外罐 壁之间形成有夹层， 其特征在于： 在所述的罐体内腔和双层罐壁所形成的夹层中分别 填充有阻隔防爆材料， 同时在双层罐壁夹层中设置有漏油检测装置， 在罐体人孔盖处 开设有溢油池， 该溢油池的底部与双层罐壁夹层连通。
2、 根据权利要求 1 所述的安全环保型埋地储油罐， 其特征在于， 所述的罐体内 幵设有竖井， 其顶端设置在罐体内与人孔盖的对应位置， 该竖井为沿径向垂直贯穿罐 体的框架， 其两端分别设有上、 下圆弧型端板， 竖井的框架内设有一个以上内胆， 每 个内胆内部填充有阻隔防爆材料。
3、 根据权利要求 1 所述的安全环保型埋地储油罐， 其特征在于， 所述的罐体内 底部设有清污隧道， 该清污隧道由半圆形金属网与其下部设置的支撑骨架围设而成， 清污隧道的两端部与罐体内壁抵紧， 在金属网上还覆设有一层过滤网。
4、 根据权利要求 1 或 2所述的安全环保型埋地储油罐， 其特征在于， 所述的罐 体内腔填充的阻隔防爆材料为阻隔防爆单元体， 该阻隔防爆材料单元体包括由角钢围 设而成的框架， 框架外设有钢丝编织成的防护网， 框架内填充高孔隙结构的片状材料 或球状体材料。
5、 根据权利要求 1 所述的安全环保型埋地储油罐， 其特征在于， 所述的罐体夹 层内填充的阻隔防爆材料为高孔隙结构的片状材料， 多层缠绕在内罐体外壁上并充满 夹层空间。
6、 根据权利要求 1 所述的安全环保型埋地储油罐， 其特征在于， 所述的溢油池 内也设有漏油检测装置。
7、 根据权利要求 1 或 6所述 安全环保型埋地储油罐， 其特征在于， 所述的漏 油检测装置包括探头、 信号转换 /功率放大控制器和报警器， 探头探测后产生的电信号 通过信号转换 /功率放大控制器， 传递给报警器， 报警器接到信号后报警。
8、 根据权利要求 1 所述的安全环保型埋地储油罐， 其特征在于， 所述的内、 外 罐壁的壁厚不同， 外罐壁厚度小于内罐壁的厚度。 .
9、 根据权利要求 1 所述的安全环保型埋地储油罐， 其特征在于， 所述的内罐壁 外侧设有连接筋， 用于内、 外罐壁之间的支撑和连接。
10、 据权利要求 9所述的安全环保型埋地储油罐， 其特征在于， 所述的连接筋沿 罐体轴向间隔设置。
11、 根据权利要 * 1所述的安全环保型埋地储油罐， 其特征在于， 所述的内、 外 罐壁之间的间隔范围是 30-50毫米。
12、 根据权利要求 1所述的安全环保型埋地储油罐， 其特征在于， 所述的储罐外 壁设有防腐层。
13、 根据权利要求 12 所述的安全环保型埋地储油罐， 其特征在于， 所述的防腐 层外还设有隔热层。
14、 根据权利要求 1所述的安全环保型埋地储油罐， 其特征在于， 所述的罐体外 壁底部设有卸油阀， 该卸油阀一端与夹层连通， 另一端与罐体内腔连通， 用于将夹层 中溢流的汽油再抽回到罐体内。
15、 根据权利要求 1所述的安全环保型埋地储油罐， 其特征在于， 所述的罐体内 腔设有隔舱板， 将罐体分割成一个以上封闭的腔体， 用于在同一储油罐中储存不同的 油品。
PCT/CN2007/001537 2006-06-13 2007-05-11 Citerne de caburant en terre sécuritaire pour l'environnement WO2007147316A1 (fr)

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