WO2012155692A1 - 多头膜式引出接管装配定位装置及其装配方法 - Google Patents

多头膜式引出接管装配定位装置及其装配方法 Download PDF

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Publication number
WO2012155692A1
WO2012155692A1 PCT/CN2012/073097 CN2012073097W WO2012155692A1 WO 2012155692 A1 WO2012155692 A1 WO 2012155692A1 CN 2012073097 W CN2012073097 W CN 2012073097W WO 2012155692 A1 WO2012155692 A1 WO 2012155692A1
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Prior art keywords
pitch control
take
positioning plate
welded
spiral coil
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PCT/CN2012/073097
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English (en)
French (fr)
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徐永兴
陆英豪
贺少锋
华炳增
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上海锅炉厂有限公司
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Publication of WO2012155692A1 publication Critical patent/WO2012155692A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • F28F9/0132—Auxiliary supports for elements for tubes or tube-assemblies formed by slats, tie-rods, articulated or expandable rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration

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  • the invention relates to a cold assembly process equipment device and an assembly method thereof, in particular to a multi-head membrane spiral coil take-up nozzle assembly positioning device and an assembly method thereof.
  • Huaneng Green Coal Power Tianjin IGCC Project gasifier gas cooler has 11 sets of multi-head membrane spiral coils, each set of coils consisting of 8, 12, 16 tubes, flat steel between the tube and the tube and sealed Welded into a cylindrical barrel of membrane spiral coil.
  • each of the single-disc coils is respectively led out at the upper end by an elbow joint which is at a complementary angle to the helix angle, and these take-ups are parallel to the center line of the cylinder of the membrane spiral coil 1, wherein the cross center line
  • the upper take-up pipe needs to be welded directly to the pipe joint of the hanger 2 at the coil pipe joint position 3, and this part of the different sets of evaporator coil take-out joints is also required to be welded with the mutually slidable connecting piece 4, and the other part is taken out of the connecting pipe.
  • the present invention provides a multi-head film take-up and take-up assembly positioning device, which has a cylindrical structure and includes:
  • each pitch control rod is parallel to an axial direction of the cylindrical assembly positioning device, and the pitch control rod is further provided with a plurality of oblique arc grooves;
  • the connecting member is annular, spaced and welded to the inner wall of the pitch control rod; and two end positioning plates, the end positioning plate is annular and welded to the outer wall of the pitch control rod at the end
  • the end positioning plate comprises a first end positioning plate and a second end positioning plate. Wherein the first end positioning plate is disposed at a middle portion of the pitch control rod, and the second end positioning plate is disposed at one end of the pitch control rod.
  • the pitch control rod includes a first end of the pitch control rod and a second end of the pitch control rod, and the first end of the pitch control rod is welded with a connecting member,
  • the first end of the pitch control rod to which the connector is welded is used for fixed welding with the membrane spiral coil cylinder; the second end of the pitch control rod is welded to the second end positioning plate.
  • the multi-head film take-up nozzle assembly positioning device wherein the oblique arc groove at the second end of the pitch control rod between the first end positioning plate and the second end positioning plate is assembled and connected with the take-over nozzle A single-piece spiral coil for compensating for differences in thermal expansion.
  • the above-mentioned multi-head film take-up nozzle assembly positioning device wherein the arc-shaped groove on the first end positioning plate is welded to fix the starting straight pipe of the take-over pipe, and the arc of the second end positioning plate Solder the groove to fix the end straight pipe of the take-up pipe.
  • the invention also provides a method for assembling a multi-head film take-over nozzle assembly positioning device, the method comprising:
  • step 1 the cylindrical spiral body of the membrane spiral coil is used as a positioning reference, and the circumferential cross center of the multi-head membrane take-up joint assembly positioning device and the cylindrical center of the membrane spiral coil are aligned;
  • Step 2 by means of the pitch control rod of the positioning device, the connecting piece and the cylindrical barrel of the membrane spiral coil, the spot tube is fixed and fixed, and the single-shaped spiral coil tube is attached to the end positioning plate and the pitch control
  • the corresponding arc groove of the rod is butted and welded to the nozzle on the cylindrical cylinder of the membrane spiral coil.
  • the lead-out pipe assembly positioning device provided by the invention is applied to the positioning of the radial and circumferential position by means of the end positioning plate, the pitch control lever and the like, on the one hand for positioning during assembly, and on the other hand,
  • the deformation during welding and heat treatment ensures the manufacturing quality and cycle of the product.
  • the assembly method is simple and the assembly is accurate.
  • the problem of assembling the multi-head membrane spiral coil take-over tube is solved, and the manufacturing quality and cycle of the product are ensured.
  • FIG. 1 is a schematic view showing the structure of an outlet take-up assembly of a multi-head membrane spiral coil of the prior art.
  • FIG. 2 is a schematic view showing the structure of a multi-head film take-up and take-up assembly positioning device of the present invention.
  • FIG 3 is a schematic view showing the completion of the welding assembly positioning of the multi-head film take-up nozzle assembly positioning device and the multi-head membrane spiral coil and the lead-out joint of the present invention.
  • the multi-head membrane outlet nozzle assembly positioning device of the present invention has a cylindrical structure, and the cylindrical spiral body of the membrane spiral coil is used as a positioning reference, and the method comprises: a plurality of intervals arranged around the cylinder body.
  • Each of the pitch control levers 10 is parallel to the axial direction of the cylindrical positioning device.
  • the pitch control lever 10 has two ends: a pitch control lever first end 11 and a pitch control lever second end 12.
  • An arcuate circular groove 13 is formed on the first end 11 of the pitch control rod for fixing the membrane spiral coil; the second end 12 of the pitch control rod is also processed with an oblique circular arc groove 13 for fixing and ejecting Take over the spiral coil.
  • the first end 11 of the pitch control rod is welded to a connecting member 20, and the first end 11 of the pitch control rod of the connecting member 20 and the oblique arc groove 13 on the end are welded to the membrane spiral coil 40 cylindrical cylinder is the positioning reference, and the film spiral coil 40 is fixedly welded.
  • the second end 12 of the pitch control rod is welded to the end positioning plate to ensure the angle and pitch of the take-over.
  • the oblique arcuate groove 13 (between the two end positioning plates) on the second end 12 of the pitch control lever is fitted with a single-piece spiral coil 51 for compensating for the difference in thermal expansion.
  • the connecting member 20 is annular and welded to the inner wall of the pitch control rod 10, that is, the connecting member 20 is located on the cylindrical inner wall of the take-over joint assembly positioning device; when the assembly positioning device is welded with the multi-head film take-up joint
  • the connecting member 20 at the first end 11 of the pitch control lever is welded between the membrane spiral coils 40.
  • the connecting member 20 at the second end 12 of the pitch control rod is welded to the spiral coil 51 of the take-over nozzle. between.
  • the end positioning plate is annular and welded to the outer wall of the pitch control rod 10.
  • the end positioning plate also processes the circular arc groove 31 at the position of the take-over pipe according to the product size requirement, so as to place the take-over pipe to ensure The exit angle of the take-over is taken.
  • the end positioning plate includes a first end positioning plate 32 and a second end positioning plate 33, wherein the first end positioning plate 32 is weldedly disposed in the middle of the pitch control rod 10, and the second end positioning plate 33 is welded to the second end 12 of the pitch control lever.
  • the arc end groove 32 of the first end positioning plate 32 is welded and fixed to the starting end straight pipe 52 of the outlet pipe, and the arc end groove 31 of the second end positioning plate 33 is welded and fixed to the end straight pipe of the take-over pipe. 53.
  • the invention also provides an assembly method according to a multi-head membrane type spiral coil take-up nozzle assembly positioning device, the method comprising:
  • step 1 the cylindrical spiral body of the membrane spiral coil is used as a positioning reference, and the circumferential cross center of the multi-head membrane take-up joint assembly positioning device and the cylindrical center of the membrane spiral coil are aligned;
  • Step 2 by means of the pitch control rod of the device, the connecting piece and the cylindrical barrel of the membrane spiral coil, the fixed position of the spiral coil tube is mounted on the end positioning plate and the pitch control rod correspondingly.
  • the circular arc groove it can be welded to the nozzle on the cylindrical cylinder of the membrane spiral coil, as shown in Fig. 3, when the positioning device and the membrane spiral coil and the outlet nozzle are assembled.

Description

多头膜式引出接管装配定位装置及其装配方法 技术领域
本发明涉及冷作装配工艺装备装置及其装配方法，具体地，涉及一种多头膜式螺旋盘管引出接管装配定位装置及其装配方法。
背景技术
华能绿色煤电天津IGCC项目气化炉煤气冷却器中有11组多头膜式螺旋盘管，每组盘管多达8、12、16根管子构成，管子与管子之间镶嵌扁钢并密封焊接成一个膜式螺旋盘管圆柱形筒体。如图1所示，为现有技术的 多头膜式螺旋盘管的引出接管装配 的结构示意图，各单支盘管在上端规定的位置分别由和螺旋角互成余角的弯头接管引出，这些接管和膜式螺旋盘管1的筒体中心线平行，其中在十字中心线上的接管需直接和吊架2的管口在盘管接口位置3处焊接，而且这部分不同组的蒸发器盘管引出接管间还要装焊相互可滑动的连接件4，另一部分引出接管要和集箱管座焊接；在下端还要再连接一段单根形式的螺旋盘管后再引出和集箱管座焊接。 因此这些盘管引出接管相对于螺旋盘管圆柱形筒体的径向和周向位置精度要求很高，且膜式螺旋盘管圆柱形筒体的长度最长的超过8000mm，直径最大的超过1200mm ，要保证这些引出接管的位置精度有相当大的难度。在天津绿煤IGCC气化炉内件煤气冷却器盘管装配中，需要解决多头膜式螺旋盘管引出接管装配定位难题，保证产品质量。
技术解决方
本发明的目的是提供一种确保多头膜式螺旋盘管两端引出接管位置精度的装配定位装置及相应的装配方法，该装置一方面用于装配时的定位，另一方面也可防止焊接及热处理过程中的变形。
为实现以上目的， 本发明提供了一种多头膜式引出接管装配定位装置，该装置呈筒状结构，其包含：
若干间隔设置的节距控制杆，其中，每根节距控制杆均与该筒状装配定位装置的轴向平行，该节距控制杆上还设置有若干斜圆弧槽；
若干连接件，该连接件为环状，间隔焊接在节距控制杆的内壁；及两个端部定位板，该端部定位板为环状，焊接在节距控制杆的外壁，在该端部定位板上，按产品尺寸要求在引出接管的位置加工出若干圆弧槽，保证了引出接管的出口角度；所述的端部定位板包含第一端部定位板及第二端部定位板，其中，第一端部定位板设置在节距控制杆的中部，第二端部定位板设置在节距控制杆的一端。
上述的多头膜式引出接管装配定位装置，其中，所述的节距控制杆包含节距控制杆第一端及节距控制杆第二端，节距控制杆第一端与一个连接件焊接，该焊接了连接件的节距控制杆第一端用于与膜式螺旋盘管筒体固定焊接；该节距控制杆第二端与第二端部定位板焊接。
上述的多头膜式引出接管装配定位装置，其中，在所述的第一端部定位板与第二端部定位板之间的节距控制杆第二端的斜圆弧槽上装配连接引出接管的用于补偿热膨胀差的单根形式的螺旋盘管。
上述的多头膜式引出接管装配定位装置，其中，所述的第一端部定位板上的圆弧槽上焊接固定引出接管的始端直管，所述的第二端部定位板上的圆弧槽上焊接固定引出接管的末端直管。
本发明还提供了一种多头膜式引出接管装配定位装置的装配方法，该方法包含：
步骤1，以膜式螺旋盘管圆柱形筒体为定位基准，多头膜式引出接管装配定位装置的周向十字中心和膜式螺旋盘管圆柱形筒体十字中心定对位置；
步骤2，通过所述定位装置的节距控制杆、连接件和膜式螺旋盘管圆柱形筒体点固焊固定，把单根形式的螺旋盘管接管装在端部定位板、节距控制杆相应的圆弧槽内，再和膜式螺旋盘管圆柱形筒体上的管口对接焊妥。
 有益效果
本发明提供的引出接管装配定位装置，借助端部定位板、节距控制杆等装置的径向和周向位置的保障技术的应用，一方面用于装配时的定位，另一方面也可防止焊接及热处理过程中的变形，保证了产品的制造质量和周期，而且其装配方法简单，装配精确，解决了多头膜式螺旋盘管引出接管装配的难题，保证了产品的制造质量和周期。
附图说明
图1为现有技术的多头膜式螺旋盘管的引出接管装配 的结构示意图。
图2为本发明的多头膜式引出接管装配定位装置的结构示意图。
图3为本发明的多头膜式引出接管装配定位装置与多头膜式螺旋盘管及其引出接管焊接装配定位完成时的示意图。
 本发明的实施方式
以下结合附图详细说明本发明的具体实施方式。
如图2及图3所示，本发明的多头膜式引出接管装配定位装置为筒状结构，以膜式螺旋盘管圆柱形筒体为定位基准，其包含：若干间隔设置在筒体四周的节距控制杆10、若干连接件20及两个端部定位板。
所述的每根节距控制杆10均与该筒形定位装置的轴向平行。所述的节距控制杆10具有两端：节距控制杆第一端11及节距控制杆第二端12。该节距控制杆第一端11上加工有斜圆弧槽13，用于固定膜式螺旋盘管；该节距控制杆第二端12上也加工有斜圆弧槽13，用于固定引出接管的螺旋盘管。该节距控制杆第一端11与一个连接件20焊接，且该焊接有连接件20的节距控制杆的第一端11以及此端上的斜圆弧槽13，以膜式螺旋盘管40圆柱形筒体为定位基准，与膜式螺旋盘管40筒体固定焊接。该节距控制杆第二端12与端部定位板焊接，以保证引出接管的角度和节距。该节距控制杆第二端12上的斜圆弧槽13（位于两个端部定位板之间）上装配连接用于补偿热膨胀差的单根形式的螺旋盘管51。
所述的连接件20为环状，焊接在节距控制杆10的内壁，即该连接件20位于该引出接管装配定位装置的筒形内壁；当该装配定位装置与多头膜式引出接管焊接时，该位于节距控制杆第一端11的连接件20装焊在膜式螺旋盘管40间，该位于节距控制杆第二端12的连接件20装焊在引出接管的螺旋盘管51间。
所述的端部定位板为环状，焊接在节距控制杆10的外壁，该端部定位板上还按产品尺寸要求在引出接管的位置加工出圆弧槽31，以放置引出接管，保证了引出接管的出口角度。所述的端部定位板包含第一端部定位板32及第二端部定位板33，其中，第一端部定位板32焊接设置在节距控制杆10的中部，第二端部定位板33焊接设置在节距控制杆第二端12上。该第一端部定位板32上的圆弧槽31上焊接固定引出接管的始端直管52，所述的第二端部定位板33上的圆弧槽31上焊接固定引出接管的末端直管53。
本发明还提供了一种根据多头膜式螺旋盘管引出接管装配定位装置的装配方法，该方法包含：
步骤1，以膜式螺旋盘管圆柱形筒体为定位基准，多头膜式引出接管装配定位装置的周向十字中心和膜式螺旋盘管圆柱形筒体十字中心定对位置；
步骤2，通过该装置的节距控制杆、连接件和膜式螺旋盘管圆柱形筒体点固焊固定，把单根形式的螺旋盘管接管装在端部定位板及节距控制杆相应的圆弧槽内，再和膜式螺旋盘管圆柱形筒体上的管口对接焊妥即可，如图3所示为该定位装置与膜式螺旋盘管及其引出接管装配完成时的结构示意图。
尽管本发明的内容已经通过上述优选实施例作了详细介绍，但应当认识到上述的描述不应被认为是对本发明的限制。在本领域技术人员阅读了上述内容后，对于本发明的多种修改和替代都将是显而易见的。因此，本发明的保护范围应由所附的权利要求来限定。
尽管本发明的内容已经通过上述优选实施例作了详细介绍，但应当认识到上述的描述不应被认为是对本发明的限制。在本领域技术人员阅读了上述内容后，对于本发明的多种修改和替代都将是显而易见的。因此，本发明的保护范围应由所附的权利要求来限定。

Claims (1)

1. 一种多头膜式引出接管装配定位装置， 其特征在于，该装置呈筒状结构，其包含：
若干间隔设置的节距控制杆（10），每根节距控制杆（10）均与该筒状装配定位装置的轴向平行，节距控制杆（10）上还设置有若干斜圆弧槽（13）；
若干连接件（20），该连接件（20）为环状，间隔焊接在节距控制杆（10）的内壁；及
两个端部定位板，该端部定位板为环状，焊接在节距控制杆（10）的外壁，在该端部定位板上，按产品尺寸要求在引出接管的位置加工出若干圆弧槽（31），保证了引出接管的出口角度；
所述的端部定位板包含第一端部定位板（32）及第二端部定位板（33），其中，第一端部定位板（32）设置在节距控制杆（10）的中部，第二端部定位板（33）设置在节距控制杆（10）的一端。
2. 如权利要求1所述的多头膜式引出接管装配定位装置，其特征在于，所述的节距控制杆（10）包含节距控制杆第一端（11）及节距控制杆第二端（12），节距控制杆第一端（11）与一个连接件（20）焊接，该焊接了连接件（20）的节距控制杆第一端（11）用于与膜式螺旋盘管（40）筒体固定焊接；该节距控制杆第二端（12）与第二端部定位板（33）焊接。
3. 如权利要求1所述的多头膜式引出接管装配定位装置，其特征在于，在所述的第一端部定位板（32）与第二端部定位板（33）之间的节距控制杆第二端（12）的斜圆弧槽上装配连接引出接管的用于补偿热膨胀差的单根形式的螺旋盘管（51）。
4. 如权利要求1所述的多头膜式引出接管装配定位装置，其特征在于，所述的第一端部定位板（32）上的圆弧槽上焊接固定引出接管的始端直管（52），所述的第二端部定位板（33）上的圆弧槽上焊接固定引出接管的末端直管（53）。
5. 一种根据权利要求1所述的多头膜式引出接管装配定位装置的装配方法，其特征在于，该方法包含：
步骤1，以膜式螺旋盘管圆柱形筒体为定位基准，多头膜式引出接管装配定位装置的周向十字中心和膜式螺旋盘管圆柱形筒体十字中心定对位置；
步骤2，通过所述定位装置的节距控制杆、连接件和膜式螺旋盘管圆柱形筒体点固焊固定，把单根形式的螺旋盘管接管装在端部定位板、节距控制杆相应的圆弧槽内，再和膜式螺旋盘管圆柱形筒体上的管口对接焊妥。
PCT/CN2012/073097 2011-05-19 2012-03-27 多头膜式引出接管装配定位装置及其装配方法 WO2012155692A1 (zh)

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Application Number Priority Date Filing Date Title
CN201110130485.2 2011-05-19
CN2011101304852A CN102390013B (zh) 2011-05-19 2011-05-19 多头膜式引出接管装配定位装置及其装配方法

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