WO2009086655A1 - 工业连续化橡胶裂解器 - Google Patents

工业连续化橡胶裂解器 Download PDF

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Publication number
WO2009086655A1
WO2009086655A1 PCT/CN2007/003894 CN2007003894W WO2009086655A1 WO 2009086655 A1 WO2009086655 A1 WO 2009086655A1 CN 2007003894 W CN2007003894 W CN 2007003894W WO 2009086655 A1 WO2009086655 A1 WO 2009086655A1
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WIPO (PCT)
Prior art keywords
inner cylinder
outer cylinder
industrial continuous
heating mechanism
continuous rubber
Prior art date
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PCT/CN2007/003894
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English (en)
French (fr)
Inventor
Bin Niu
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to US12/735,315 priority Critical patent/US8764945B2/en
Priority to EP07855894A priority patent/EP2236582A4/en
Priority to JP2010539987A priority patent/JP5291118B2/ja
Priority to CA2728584A priority patent/CA2728584C/en
Publication of WO2009086655A1 publication Critical patent/WO2009086655A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/32—Other processes in ovens with mechanical conveying means
    • C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics

Definitions

  • the present invention is an industrial continuous rubber cracker.
  • the object of the present invention is to disclose an industrial continuous rubber cracker which is simple in structure and high in thermal efficiency.
  • the technical solution of the invention comprises an outer cylinder body and an inner cylinder body, wherein the inner cylinder body has a propulsion mechanism, and the outer cylinder body or the inner cylinder body is provided with a heating mechanism for the inner cylinder body, and the characteristics are firstly: on the inner cylinder body A heat transfer plate is attached.
  • These heat conducting plates can take a variety of forms, such as separate plates, discontinuous or continuous spiral strips, and the like. Depending on the configuration of the other equipment, they can be placed either in the inner cylinder or on the outer wall of the inner cylinder. '
  • the structure of the present invention can not only help the inner cylinder body to absorb more heat, but also meet the needs of the cracking reaction, and the heat conducting plates can also store heat, thereby ensuring the stability of the reaction temperature in the inner cylinder body and the continuous heating. Sex. It can be seen that the simple form adopted by the present invention achieves the effects of improving thermal efficiency, energy saving, and reducing operating costs.
  • the heating mechanism can be biased below the inner cylinder axis, that is, the heating mechanism is biased toward the reactants, and the structure is advantageous for fully utilizing the heating.
  • the thermal efficiency of the organization is advantageous for fully utilizing the heating.
  • the inner cylinder body can be designed to pass through the structure in which the outer cylinder body and the head are dynamically sealed, and the inlet head is provided with a feeding port, an oil and gas outlet and a ash outlet.
  • the inner cylinder body can be directly driven by the power mechanism, and the inlet and outlet structures, such as the inlet port, the oil and gas outlet, and the ash outlet of the solid product, which are in communication with the inner cavity, can be a structural form disposed on the fixed stationary head. This way is beneficial The connection between the present invention and the peripheral mechanism.
  • the feeding port is generally located above the heating mechanism.
  • the feeding guide plate may be disposed above the heating mechanism and below the inner end of the feeding port.
  • the feed guide plate may be in the form of being inclined to both sides of the heating mechanism.
  • the heating mechanism on the outer cylinder body may adopt a hot air duct disposed under the inner cylinder body; the lower bottom of the outer cylinder body is provided with an air inlet port, and along the moving direction of the material, the exhaust end of the outer cylinder body has a smoke exhaust port .
  • the hot air can heat the entire cylinder and reduce the uneven distribution of heat.
  • an air volume adjusting plate may be disposed at the front of the hot air duct to adjust the temperature inside the cylinder.
  • the air volume adjusting plate may be a structure for controlling the total air inlet of the hot air pipe, or a set of air volume adjusting plates disposed at the front of the hot air pipe along the axial direction of the outer cylinder, and the front end of each air volume adjusting plate is installed through the shaft On the side wall of the hot air duct.
  • the air volume adjusting plate is horizontally arranged along the axial direction, the ventilation volume of the outer cylinder body and the inner cylinder body is the smallest, and as the inclination angle thereof increases in the range of 90 degrees, the ventilation amount is gradually increased, and the supply of the inner cylinder body is increased. The heat is getting bigger.
  • the advancing mechanism in the inner cylinder may be a screw or a structure such as a spiral belt fixed to the inner wall of the inner cylinder.
  • This structure makes it unnecessary for the rubber cracker to adopt a slanted structure, and the present invention further realizes the simple structure.
  • the invention Compared with the prior art, the invention has the advantages of simple structure, high thermal efficiency, energy saving and low running cost. DRAWINGS
  • Figure 1 is a cross-sectional view showing an eighth embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • This embodiment includes an outer cylinder body and an inner cylinder body therein, and the outer cylinder body is provided with a heating mechanism which can be realized by designing the outer cylinder body into a two-layer structure and circulating a heat carrier therebetween.
  • the inner cylinder has a feed port, a ash outlet and an oil and gas outlet, and the inner cylinder is provided with a heat conducting plate at intervals, and the heat conducting plate is embedded in the inner cylinder wall with different materials.
  • a screw is provided in the inner cylinder for pushing the raw material.
  • Other parts of this embodiment employ the prior art.
  • Example 2 - The embodiment includes an outer cylinder body and an inner cylinder body therein, and the outer cylinder body is provided with a heating mechanism, and the heating mechanism may be an electric heating mechanism mounted on the outer cylinder body.
  • the inner cylinder body has a feeding port and a ash outlet and an oil and gas outlet.
  • the inner cylinder body is provided with a heat conducting plate spaced apart from each other, and the heat conducting plate is attached to the outer wall of the inner cylinder.
  • a screw is provided in the inner cylinder for pushing the raw material.
  • Other parts of this embodiment employ the prior art.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the embodiment includes an outer cylinder body and an inner cylinder body therein, the outer cylinder body is provided with a heating mechanism, and the heating mechanism can be provided with an air inlet port and a smoke exhaust port on the outer cylinder body, and the hot air is sent to the inner cylinder by the hot air inlet.
  • the body is heated.
  • the inner cylinder has a feed port and a ash outlet and an oil and gas outlet, and a ring-shaped heat conduction plate is arranged on the outer wall of the inner cylinder.
  • a spiral belt is fixed on the inner wall of the inner cylinder for pushing the raw material.
  • Other parts of this embodiment employ the prior art.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the embodiment includes an outer cylinder body and an inner cylinder body therein.
  • the outer cylinder body is provided with a heating mechanism.
  • the heating mechanism is provided with an air inlet port and a smoke exhaust port disposed on the outer cylinder body, and an air volume adjusting plate is further disposed in the outer cylinder body.
  • the inner cylinder has a feed port and a ash outlet and an oil and gas outlet.
  • the inner cylinder is circumferentially surrounded by a spiral heat conducting plate, and the heat conducting plate is attached to the outer wall of the inner cylinder.
  • a spiral belt is placed in the inner cylinder for pushing the raw material.
  • Other parts of this embodiment employ the prior art.
  • Embodiment 5 In the fourth embodiment, the lower part of the outer cylinder is a hot air duct with an air inlet, and the front part of the hot air duct is arranged with a set of air volume adjusting plates along the axial direction of the outer cylinder, and the exhaust air outlet is distributed. At the back of the outer cylinder.
  • a heating mechanism is provided in the inner cylinder, the heating mechanism is a pipeline through a hot fluid (the hot fluid may be a gas or a liquid), or is heated by electric heating or the like. mechanism.
  • the heating mechanism in the inner cylinder is biased toward the lower portion, i.e., near the lysate, to sufficiently heat it.
  • the present embodiment includes a frame 17 in which a hot air duct 19 having an air inlet 21 is disposed.
  • An outer cylinder 6 is fixed above the frame 17, and the outer cylinder 6 and the hot air duct 19 are surrounded by the heat insulating material 11, and the bottom of the outer cylinder 6 is spaced apart from the hot air duct 19.
  • a plurality of air volume adjusting plates 20 are disposed in the hot air duct 19 along the axial direction of the outer cylinder 6, and the front ends of the air volume adjusting plates 20 are connected to the walls of the hot air ducts 19 on both sides through the shaft.
  • the outer cylinder 6 has a smoke exhaust port 10 on the top right side.
  • the outer cylinder 6 has an inner cylinder 7, Both ends of the inner cylinder 7 pass through the outer cylinder 6 and are mounted on the fixed left and right heads by dynamic sealing, and the portion of the inner cylinder 6 that passes through the outer cylinder 6 is connected to the power mechanism through the sprocket 5.
  • a continuous spiral heat conducting plate 8 is fixed to the outer surface of the portion of the inner cylinder 7 located inside the outer cylinder 6.
  • a spiral belt 9 is fixed in the inner cylinder 7 for pushing the material from left to right and performing a cracking reaction during the movement.
  • a fluid heat carrier heating tube 18 is passed through the inner cylinder 7, and its both ends are fixed to the two heads 3, 12. The heating tube 18 is biased below the inner cylinder 7.
  • a feed port 1 is provided on the left head 3, which is located above the heating tube 18.
  • a herringbone feed guide plate 2 is provided above the heating pipe 18, which feeds the raw material from both sides of the heating pipe 18 into the inner cylinder 7.
  • a smoke exhaust port 13 In the right head 12 of the present embodiment, a smoke exhaust port 13, an oil and gas outlet 14, and a ash discharge port 15 are provided.
  • the raw material is fed from the feed port 1 to the inner cylinder 7, and is slid along the feed guide 2 to the lower portion of the inner cylinder 7.
  • the inner cylinder 7 rotates, the material moves from left to right under the action of the spiral belt 9.
  • the hot air sent from the hot air duct 19 is heated by the open inner cylinder 7 of the lower bottom of the outer cylinder 6, and the raw materials in the heat conducting plate 8 and the inner cylinder 7 are heated, and the heat conduction is maintained.
  • the temperature in the inner cylinder 7 is stable, and the raw material is cracked in this process.
  • the oil and gas generated after cracking is discharged from the oil and gas outlet at the right head, and the solid product (such as carbon black) generated by the cracking is discharged from the ash outlet.
  • the raw material outlet inlet continuously enters the inner cylinder, and the product is continuously discharged from the oil and gas outlet and the ash outlet, thereby achieving continuous cracking of the rubber.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

工业连续化橡胶裂解器 技术领域
本发明为一种工业连续化橡胶裂解器。
背景技术
随着科学技术的发展， 生产及生活水平不断提高， 废旧橡胶等废弃化工 原料的产量越来越大，这样废弃的化工原料不仅给自然环境造成了极大的影 响， 而且， 给社会造成了许多负担。 为此政府机构以及许多科技人员对此给 予了极大的关注， 并且采用了各种可能的方式解决这些问题。本案的申请人 在此之前在这方面做了一些成绩， 并成功研制了橡胶连续裂解工艺及相关设 备。通过多年的研究和实践，结合现在废弃橡胶的特点，为了提高裂解效率、 增加油回收率、 提高节能效果， 申请人一直坚持不懈地进行着更高技术水平 的研发工作。
发明内容
本发明的目的在于： 公开一种结构简单、 热效率高的工业连续化橡胶裂 解器。
本发明的技术方案包括外筒体和内筒体， 内筒体中有推进机构， 外筒体 或内筒体中设有对内筒体的加热机构， 其特点首先为： 在内筒体上附有导热 板。 这些导热板可采用多种形式， 如分离的板块、 间断或连续的螺旋带等。 根据设备其它结构的情况， 它们既可以设置在内筒体中， 也可以设置在内筒 外壁上。 '
本发明这样的结构， 不仅能够帮助内筒体吸收更多的热量， 以满足裂解 反应的需要， 而且， 这些导热板还能储存热量， 从而保证内筒体中反应温度 的稳定以及供热的持续性。 由此可见， 本发明采用的简单的形式， 达到了提 高热效率、 节能、 降低运行成本的效果。
在上述结构中， 若在内筒体中采用加热机构， 可将加热机构与内筒体轴 线相比， 偏于下方， 也就是说， 加热机构偏向于反应物， 这种结构有利于充 分发挥加热机构的热效率。
在具体实现本发明的结构时， 可将内筒体设计为穿出外筒体与封头动密 封连接的结构， 封头上设有进料口、 油气出口及出灰口。 这样， 内筒体可以 直接由动力机构驱动， 而与其内腔相通的进料口、 油气出口、 固态生成物的 出灰口等进出口结构可为设置在固定不动封头上的结构形式，这种方式有利 于本发明与外设机构的连接。
由于将加热机构设置在偏下位置，因此，进料口一般位于加热机构上方， 这时， 为避免原料直接落在加热机构上， 可在加热机构上方、 进料口内端下 方设置进料导向板， 该进料导向板可采用向加热机构两侧倾斜的形式。
在本发明中， 外筒体上的加热机构可以采用设置于内筒体下方的热风 管； 外筒体下底设置有进风口， 沿原料运动方向、 外筒体的后端有排烟口。 这样， 热气能够对整个筒体进行加热， 而减轻热量分布不均的现象。 另外， 热风管的前部还可设置风量调节板以调节筒体内温度。该风量调节板可以为 控制热风管总进风口的结构， 也可以是设置在热风管的前部沿外筒体轴线方 向设置的一组风量调节板， 各风量调节板前端通过轴安装在热风管侧壁上。 风量调节板沿轴线方向水平设置时，对外筒体、进而对内筒体的通风量最小， 而随其在 90度范围内倾斜角度的加大， 其通风量渐大， 对内筒体的供热量 渐大。
在本发明中， 内筒体中的推进机构可为螺杆或固定在内筒体内壁上的螺 旋带等结构。 这种结构， 使橡胶裂解器不必采用倾斜的结构形式， 也使本发 明进一步实现了结构简单的特点。
与现有技术相比， 本发明结构简单、 热效率高、 节能、 运行成本低。 附图说明
图 1为本发明实施例八的剖视图；
其中， 1、 进料口， 2、 进料导向板， 3、 左封头， 4、 滚轮， 5、 链轮， 6、 外筒体， 7、 内筒体， 8、 导热板， 9、 螺旋带， 10、 排烟口， 11、 保温层， 12、 右封头， 13、 排烟口， 14、 油气出口， 15、 出灰口， 16、 托轮， 17、 机 架， 18、 加热管， 19、 热风管， 20、 风量调节板， 21、 热风管进风口， 22、 托轮。
具体实施方式
实施例一：
本实施例包括外筒体及其中的内筒体， 外筒体带有加热机构， 该加热机 构可通过将外筒体设计为双层结构， 并在其中间流通热载体来实现。 内筒体 带有进料口、 出灰口及油气出口， 内筒体上间隔设置有导热板， 导热板采用 不同的材料嵌于内筒体壁中。 内筒体中装有螺杆用于推动原料。 本实施例的 其它部分采用现有技术。
实施例二- 本实施例包括外筒体及其中的内筒体， 外筒体带有加热机构， 该加热机 构可为安装在外筒体上的电热机构。 内筒体带有进料口和出灰口及油气出 口， 内筒体上间隔设置有导热板， 导热板附于内筒体外壁上。 内筒体中装有 螺杆用于推动原料。 本实施例的其它部分采用现有技术。
实施例三：
本实施例包括外筒体及其中的内筒体， 外筒体带有加热机构， 该加热机 构可为在外筒体上设置进气口及排烟口， 由热风入口送入热风以对内筒体进 行加热。 内筒体带有进料口和出灰口及油气出口， 内筒体外壁上间隔附有环 形导热板。 内筒体内壁上固定有螺旋带用于推动原料。 本实施例的其它部分 采用现有技术。
实施例四：
本实施例包括外筒体及其中的内筒体， 外筒体带有加热机构， 该加热机 构为设置在外筒体上设置进气口及排烟口， 外筒体中还设置风量调节板。 内 筒体带有进料口和出灰口及油气出口， 内筒体上间隔绕有螺旋状导热板， 导 热板附于内筒体外壁上。 内筒体中装有螺旋带用于推动原料。 本实施例的其 它部分采用现有技术。
实施例五： , . 在实施例四中， 外筒体下部为带有进气口的热风管， 热风管的前部沿外 筒体轴线方向布置有一组风量调节板， 排烟口分布于外筒体后部。
实施例六：
在实施例三、 四、 五中， 在内筒体中设置有加热机构， 该加热机构为通 过热态流体的管道 （热态流体可为气体， 也可为液体）， 或者为电加热等加 热机构。
实施例七：
在实施例六中， 内筒体中的加热机构偏向于下部， 即靠近裂解物， 以充 分对其加热。
实施例八：
如图所示，本实施例包括机架 17，机架 17内设置有带有进风口 21的热 风管 19。 在机架 17上方固定有外筒体 6， 外筒体 6及热风管 19由保温材料 11包围， 外筒体 6下底间隔与热风管 19相通。热风管 19内沿外筒体 6轴线 方向设置有一组风量调节板 20， 各风量调节板 20的前端通过轴与两侧的热 风管 19壁连接。 外筒体 6上顶右部带有排烟口 10。 外筒体 6中有内筒体 7， 内筒体 7两端穿出外筒体 6并通过动密封安装在固定的左、 右封头上， 其穿 出外筒体 6的部分与通过链轮 5动力机构连接。 内筒体 7位于外筒体 6内的 部分的外表面上固定有连续的螺旋导热板 8。 内筒体 7中固定有螺旋带 9用 以推动原料由左向右运动， 并在运动过程中进行裂解反应。 在内筒体 7中有 流体热载体加热管 18穿过， 其两端固定在两个封头 3、 12上。 加热管 18偏 靠于内筒体 7的下方。在左封头 3上设置有进料口 1，它位于加热管 18上方。 在进料口 1的内端处、加热管 18的上方设置有人字形的进料导向板 2, 它将 原料由加热管 18的两侧输送到内筒体 7中。在本实施例的右封头 12上设置 有排烟口 13、 油气出口 14以及出灰口 15。
本实施例在运行时， 原料由进料口 1加入内筒体 7， 并沿进料导向板 2 滑至内筒体 7下部。 随着内筒体 7的旋转， 原料在螺旋带 9的作用下由左向 右运动。 在此过程中， 由热风管 19送入的热风， 通过外筒体 6下底的开口 内筒体 7进行加热， 进而对导热板 8及内筒体 7中的原料进行加热， 导热 被保持内筒体 7中温度的稳定， 而原料在此过程中裂解。 裂解后生成的油气 由右封头处的油气出口排出， 而裂解生成的固态生成物（如炭黑） 由出灰口 排出。 原料出进料口连续进入内筒体中， 而生成物从油气出口及出灰口连续 排出， 由此实现了橡胶的连续裂解。

Claims

权 利 要 求
1、 一种工业连续化橡胶裂解器， 包括外筒体和内筒体， 内筒体中有推 进机构， 外筒体或内筒体中设有对内筒体的加热机构， 其特征是： 内筒体上 附有导热板。
2、 根据权利要求 1 所述的工业连续化橡胶裂解器， 其特征是： 所述的 导热板呈螺旋状绕于内筒体外。，
3、 根据权利要求 1或 2所述的工业连续化橡胶裂解器， 其特征是： 内 筒体中有加热机构， 加热机构与内筒体轴线相比， 偏于下方。
4、 根据权利要求 1或 2所述的工业连续化橡胶裂解器， 其特征是： 内 筒体穿出外筒体与封头动密封连接，封头上设有进料口、油气出口及出灰口。
5、 根据权利要求 4所述的工业连续化橡胶裂解器， 其特征是： 所述的 进料口位于内筒体中的加热机构上方; 与进料口内端对应， 设置有向加热机 构侧面倾斜的进料导向板。
6、 根据权利要求 1或 所述的工业连续化橡胶裂解器， 其特征是： 外 筒体上的加热机构为位于内筒体下方的热风管； 外筒体下底设置有进风口， 沿原料运动方向、 外筒体的后部有排烟口。
7、 根据权利要求 1或 2所述的工业连续化橡胶裂解器， 其特征是： 热 风管的前部设置有风量调节板。
8、 根据权利要求 7所述的工业连续化橡胶裂解器， 其特征是： 热风管 的前部沿外筒体轴线方向设置有一组风量调节板， 各风量调节板前端通过轴 安装在热风管侧壁上。
9、 根据权利要求 1或 2所述的工业连续化橡胶裂解器， 其特征是： 内 筒体中的推进机构为固定在内筒体内壁上的螺旋带。
PCT/CN2007/003894 2007-12-29 2007-12-29 工业连续化橡胶裂解器 Ceased WO2009086655A1 (zh)

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