CN201875352U - Hot extrusion molding branch pipe hydrostatic test pipe orifice sealing device - Google Patents

Hot extrusion molding branch pipe hydrostatic test pipe orifice sealing device Download PDF

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Publication number
CN201875352U
CN201875352U CN2010206076374U CN201020607637U CN201875352U CN 201875352 U CN201875352 U CN 201875352U CN 2010206076374 U CN2010206076374 U CN 2010206076374U CN 201020607637 U CN201020607637 U CN 201020607637U CN 201875352 U CN201875352 U CN 201875352U
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China
Prior art keywords
blind
branch pipe
cover
ends
flange
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CN2010206076374U
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Chinese (zh)
Inventor
向田法
王槐春
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江苏新恒基重工有限公司
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Priority to CN2010206076374U priority Critical patent/CN201875352U/en
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Publication of CN201875352U publication Critical patent/CN201875352U/en

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Abstract

The utility model relates to a hot extrusion molding branch pipe hydrostatic test pipe orifice sealing device, which is characterized by mainly comprising a blind plate cover (4), a support plate (3), a pup joint (5) of which both ends are provided with flanges, a blind flange (6), a nut (11) and a screw (2), wherein the blind plate cover (4) covers on a branch pipe (8); the support plate (3) is located in a main pipeline or a barrel (1) and is opposite to the branch pipe (8); the branch pipe (8) and the support plate (3) are connected through the nut (11) and the screw (2); a seal ring (7) is arranged between the blind plate cover (4) and the end surface of the branch pipe (8); the blind plate cover (4) is provided with an air-bleed hole (10); one end of the pup joint (5) of which both ends are provided with the flanges is connected with the blind plate cover (4); the other end of the pup joint (5) is connected with the blind flange (6); and the air-bleed hole (10) is respectively communicated with the inner cavity of the branch pipe (8) and the inner cavity of the pup joint (5) of which both ends are provided with the flanges. The utility model has a simple method and high efficiency, and a body material cannot be damaged.

Description

热挤压成型支管水压试验管口密封装置 Hot extrusion manifold pressure test spout sealing means

技术领域 FIELD

[0001] 本实用新型涉及一种高压管道支管耐压试验密封装置,尤其是对热挤压成型拔出的支管或管嘴进行水压的一种密封装置,具体地说是一种热挤压成型支管(包括支管和管嘴)水压试验管口密封装置。 [0001] The present invention relates to a high pressure test the pipe manifold sealing means, especially for hot extrusion molding pull branch pipes or the nozzle water pressure for a sealing device, in particular a hot extrusion shaped branch pipe (branch pipe and the nozzle comprises a) hydrostatic test spout sealing means.

背景技术 Background technique

[0002]目前,筒体或管体拔管技术被广泛用于各种高压管道及高压筒体设备的接口中, 由于采用挤压拔出的支管或管嘴与管体或筒体是无缝连接成一体,因而避免了焊接成型的支管或管嘴的焊接残余应力,从而大大提高了管道或设备的安全性能;但其最大的问题是拔出的支管或管嘴一般不会太高,因而水压试验时如果采用焊接密封的方法,水压试验后势必要除去焊接热影响区,这样在支管的设计上就必须考虑到这部分支管长度的损失,因而会采用增加主管厚度的办法,这样就会大大增加设备成本,同时焊接形成的残余应力并未完全消除,也对今后设备的安全运行带来了隐患。 [0002] Currently, the tubular body or barrel interfaces extubation technique is widely used in various high-pressure pipe and high-pressure cylinder device, since the pull extrusion nozzle or manifold body or cylindrical tube is a seamless integrally connected, thus avoiding welding residual stress of the manifold or nozzle shaped welding, thus greatly improving the safety performance of the pipe or equipment; but its biggest problem is pulled out of the manifold or the nozzle is not too high in general, so If the pressure test the seal of the welding method, the test pressure is bound to remove weld heat affected zone, so that the branch pipe in the design must take into account this lost length of the branch pipe, and thus will be used to increase the thickness of the competent way, so it will greatly increase the cost of equipment, welding residual stress formed at the same time not completely eliminated, but also the future safe operation of equipment to bring potential problems.

发明内容 SUMMARY

[0003] 本实用新型的目的是针对现在对挤压成型的管嘴或支管进行水压试验时采用焊接密封时存在影响管嘴或支管长度及存在残余焊接应力的问题,设计一种无需进行焊接即可对管嘴或支管进行耐压试验的密封装置。 [0003] The object of the present invention is the use of welding seal affected by the presence or branched nozzle tube length and the presence of residual welding stress problem for the current time of extrusion nozzles or manifold pressure test, without the need to design a welded to the nozzle or manifold to seal the pressure test means.

[0004] 本实用新型的技术方案是: [0004] The technical solution of the present invention are:

[0005] 一种热挤压成型支管水压试验管口密封装置,其特征它主要由盲板盖4、支撑板3、两端带法兰的短节5、法兰盖6、螺母11和螺杆2组成,盲板盖4盖装在支管8上,支撑板3位于主管道或筒体1中并与所述的支管8相对,支管8和支撑板3通过螺母11及螺杆2 相连,在盲板盖4与支管8的端面之间安装有密封圈7,在盲板盖4上开设有放气孔10,两端带法兰的短节5的一端与盲板盖4相连,另一端与法兰盖6相连,放气孔10分别连通支管8内腔与两端带法兰的短节5的内腔。 [0005] A heat extrusion nozzle manifold seal pressure test apparatus 4 mainly characterized in that the support plate by a blind cover plate 3, a short section 5 ends with a flange, the flange cover 6, and the nut 11 screw 2 composition, the blind flange cover 4 is a cover mounted on the manifold 8, the supporting plate 3 is located in the main conduit or barrel 1 and the branch pipe 8 opposite branch pipe 8 and the support plate 3 is connected to 2 by the nut 11 and screw, in blind cover plate is attached to the other end of the sealing ring 7 between the end surface 4 and the branch pipe 8, the blind cover plate 10 defines a short end section with a flange at both ends of the blind plate 5 is connected to the discharge hole cover 4 4, and a flange connected to the lid 6, respectively, the discharge hole 10 communicating with the lumen of the branch pipe 8 with flanges at both ends of a short section of the cavity 5.

[0006] 所述的螺杆2的上端旋装在盲板盖4上。 [0006] The upper end of the screw 2 is screwed blind plate mounted on the cover 4.

[0007] 所述的两端带法兰的短节5的两端均安装有密封圈。 Both ends of the short section of the two ends of the [0007] flanged gasket 5 are mounted.

[0008] 本实用新型的有益效果: [0008] The beneficial effects of the present invention:

[0009] (1)本实用新型由于是采用非焊接方法来密封热拔支管的管口,因而不会对管口留下残余应力,提高了拔出管设备或管道的整体安全性能。 [0009] (1) Since the present invention is the use of a non-hot plug welding method to seal the spout branch pipe, and thus will not leave a residue on the mouthpiece stress and improve the overall safety performance of the extraction tube or pipe apparatus.

[0010] (2)本实用新型可减低设备或管道对拔出口厚度或高度的要求,从而提高拔出口工艺的成品率,减低生产成本。 [0010] (2) The present invention can reduce the device to pull the pipe or outlet of the thickness or height requirements, thereby improving the yield of the drawing process outlet, reduce production costs.

[0011] (3)本实用新型方法简单,效率高,不会对本体材料造成损伤。 [0011] (3) The method of the present invention is simple, efficient, without damaging the body material. 附图说明 BRIEF DESCRIPTION

[0012] 图1是本实用新型的密封装置的结构示意图。 [0012] FIG. 1 is a schematic view of the present invention sealing device. [0013] 图2是本实用新型的盲板盖的结构示意图。 [0013] FIG. 2 is a schematic view of the present invention cover the blind plate.

[0014] 图3是本实用新型支撑板的结构示意图。 [0014] FIG. 3 is a schematic view of the support plate of the present invention.

具体实施方式 Detailed ways

[0015] 下面结合附图和实施例对本实用新型作进一步的说明。 Figures and examples further illustrate the present invention for the [0015] following binding.

[0016] 如图1所示。 [0016] As shown in Fig.

[0017] 一种热挤压成型支管水压试验管口密封装置,主要由盲板盖4、支撑板3、两端带法兰的短节5、法兰盖6、螺母11和螺杆2组成,盲板盖4盖装在支管8上,支撑板3位于主管道或筒体1中并与所述的支管8相对,支管8和支撑板3通过螺母11及螺杆2分别连接在支管8 (也可为拔出成型的管嘴,下同)的两端,其中支撑板3位于相连主管道或筒体1的内部,盲板盖4位于支管8的上端,在盲板盖4与支管8的端面之间安装有密封圈7,在盲板盖4上开设有放气孔10,两端带法兰的短节5的一端与盲板盖4相连,两者之间应加装有密封垫,另一端与法兰盖6 (两者之间也应安装有密封垫)相连,放气孔10分别连通支管8内腔与两端带法兰的短节5的内腔。 [0017] A heat extrusion nozzle manifold seal pressure test apparatus 4 mainly by the blind cover plate, the supporting plate 3, a short section 5 ends with a flange, the flange cover 6, and the screw nut 11 Composition 2 blind flange cover 4 is a cover mounted on the manifold 8, the supporting plate 3 is located in the main conduit or barrel 1 and 3 are connected to the branch pipe 8 hand, manifolds 8 and the support plate by the nut 11 and screw two pipe 8 ( may also be pulled out of the nozzle shaped, both ends of the same below), wherein the supporting plate 3 is located inside the main conduit is connected or the cylinder 1, a blind cover plate 4 at the upper end of the manifold 8, the blind cover plate 4 and the branch pipe 8 a sealing ring mounted between the end faces 7, the blind cover plate 10 defines a short end section with a flange at both ends of the blind plate 5 is connected to the discharge hole 4 of the lid 4, should be installed with a seal therebetween the other end cap with the flange 6 (between the gasket should be attached) is connected to the discharge hole 10 communicate with each short section of the manifold 8 and the lumen ends of the flanged lumen 5. 具体实施时,螺杆2与螺母11的连接可有多种方法,螺杆2可为两端均不带螺母的螺杆。 In specific implementation, the screw 2 is connected with the nut 11 may be a variety of methods, both ends of the screw 2 can not screw with nuts. 也可为一端带螺母的螺杆,如果盲板盖4的厚度较大,螺杆2的上端还可直接旋装在盲板盖4上。 With a screw nut may be one end, if the thickness of the blind plate cover 4 is large, the upper end of the screw 2 may also be directly screwed on the blind cover plate 4.

[0018] 本实用新型的密封方法如下: [0018] The sealing method of the present invention are as follows:

[0019] 一种热挤压成型支管水压试验管口密封方法,它包括以下步骤: [0019] A heat extrusion manifold pressure test spout sealing method comprising the steps of:

[0020] 首先,在支管8的管口上放置一个盲板盖4,该盲板盖4上设有穿装螺杆2的通孔9和放气孔10,并在盲板盖4与支管的管口壁之间安装密封圈7 ; [0020] First, placed on the spout manifold 8 is a blind plate cover 4 is provided with the blind plate cover 4 through holes reeved screw 2 9 and the discharge hole 10, and the cover spout 4 and the branch pipe in the blind plate 7 the sealing ring is mounted between the walls;

[0021] 其次,在与支管8对应位置处的主管道或筒体1内放置一个支撑板3 ; [0021] Next, placed in the main duct and the branch pipe or cylinder 8 at a position corresponding to a supporting plate 3;

[0022] 第三步,用螺母11和螺杆2将支撑板3及盲板盖4紧固连接成一个整体并将密封圈7压紧; [0022] The third step, with a screw nut 11 and the support plate 2 and the blind plate 3 cover 4 is integrally connected to a fastening ring 7 and the pressing;

[0023] 第四步,将两端带法兰的短节5的一端与盲板盖4相连接,并在连接面之间安装密封垫圈; [0023] The fourth step, a short section of the two ends of the blind flanged end plate 5 is connected to the lid 4, and a sealing gasket mounted between the connecting surface;

[0024] 第五步,使支管8的开口向上,向主管道或筒体1内注水,当水从两端带法兰的短节5的上面溢出后,再在两端带法兰的短节5的另一端盖上法兰盖6并用螺栓紧固,同时应在法兰盖6与短节法兰5之间加装密封垫; [0024] The fifth step, so that the branch pipe 8 opens upward, or water into the main duct of the cylinder 1, when the water overflows from the top short section ends with flanges 5, again on both ends with a short flange 6 on the other end cap flange cover section 5 and bolted, and should be installed between the cap 6 and the nipple flange gasket flange 5;

[0025] 第六步,给主管道或筒体1逐步加压,加压过程中如果有水从盲板盖4与支管8的接触面之间渗出,则应先卸压,再将法兰盖6及两端带法兰的短节5拆下,再次紧固螺母11,重复第四至第六步,直至盲板盖4与支管8之间没有渗漏,即可根据试验规程完成支管的耐压试验。 [0025] The sixth step, the cylinder 1 or to a main duct gradually pressurized, the pressurized water from the process if there is a contact surface between the blind cover plate 4 and the bleed manifold 8, it should first relief, then the method Linguet section 6 and the short ends with flange 5 is removed, the fastening nut 11 again, repeating the fourth through sixth steps, until there is no leakage between the blind cover plate 4 and the branch pipe 8, can be completed according to the test procedure pressure test manifold.

[0026] 本实用新型未涉及部分均与现有技术相同或可采用现有技术加以实现。 [0026] The present invention relates to non-identical parts are prior art or can be be implemented with the prior art.

4 4

Claims (3)

1. 一种热挤压成型支管水压试验管口密封装置,其特征它主要由盲板盖(4)、支撑板(3)、两端带法兰的短节(5)、法兰盖(6)、螺母(11)和螺杆(2)组成,盲板盖(4)盖装在支管(8)上,支撑板(3)位于主管道或筒体(1)中并与所述的支管(8)相对,支管(8)和支撑板(3)通过螺母(11)及螺杆(2)相连,在盲板盖(4)与支管(8)的端面之间安装有密封圈(7), 在盲板盖(4)上开设有放气孔(10),两端带法兰的短节(5)的一端与盲板盖(4)相连,另一端与法兰盖(6)相连,放气孔(10)分别连通支管(8)内腔与两端带法兰的短节(5)的内腔。 1. A heat extrusion nozzle manifold seal pressure test apparatus, characterized in that the blind sheet is mainly composed of a cover (4), the support plate (3), both ends of the short section (5) flanged cover flange (6), a nut (11) and the screw (2), with a blind cover plate (4) mounted on the manifold cover (8), a support plate (3) located in the main conduit or barrel (1) and with the manifold (8) in contrast, the manifold (8) and a support plate (3) is connected by a nut (11) and a screw (2), between the end face of the blind plate cover (4) and the manifold (8) is mounted a sealing ring (7 ), defines the discharge hole (10), (4) is connected to both ends of the short section (5) with one end of the blind flange on the cover plate blind cover plate (4), (6) the other end to the lid flange , bleed hole (10) communicating each branch (8) and ends with a lumen nipple flange (5) of the lumen.
2.根据权利要求1所述的热挤压成型支管水压试验管口密封装置,其特征所述的螺杆(2 )的上端旋装在盲板盖(4 )上。 According to claim 1, said heat extruded branch pipe hydrostatic test spout sealing means, wherein said upper end of the screw (2) spin-blind plate mounted on the cover (4).
3.根据权利要求1所述的热挤压成型支管水压试验管口密封装置,其特征所述的两端带法兰的短节(5)的两端均安装有密封圈。 3. The sealing ring 1 is thermally extruded branch pipe hydrostatic test spout sealing means, both ends of the short section ends with a flange which according to (5) are mounted claims.
CN2010206076374U 2010-11-16 2010-11-16 Hot extrusion molding branch pipe hydrostatic test pipe orifice sealing device CN201875352U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206076374U CN201875352U (en) 2010-11-16 2010-11-16 Hot extrusion molding branch pipe hydrostatic test pipe orifice sealing device

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Application Number Priority Date Filing Date Title
CN2010206076374U CN201875352U (en) 2010-11-16 2010-11-16 Hot extrusion molding branch pipe hydrostatic test pipe orifice sealing device

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CN201875352U true CN201875352U (en) 2011-06-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101982754A (en) * 2010-11-16 2011-03-02 江苏新恒基重工有限公司 Method and device for sealing hydrostatic test pipe orifice of hot extrusion molding branch pipe
CN103574215A (en) * 2012-08-02 2014-02-12 五冶集团上海有限公司 PE pipeline pressure test blind plate
CN102518906B (en) * 2011-12-30 2016-06-29 沪东中华造船(集团)有限公司 Installation method for the plastic blind flange of sealing pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101982754A (en) * 2010-11-16 2011-03-02 江苏新恒基重工有限公司 Method and device for sealing hydrostatic test pipe orifice of hot extrusion molding branch pipe
CN101982754B (en) 2010-11-16 2011-12-07 江苏新恒基重工有限公司 Method and device for sealing hydrostatic test pipe orifice of hot extrusion molding branch pipe
CN102518906B (en) * 2011-12-30 2016-06-29 沪东中华造船(集团)有限公司 Installation method for the plastic blind flange of sealing pipe
CN103574215A (en) * 2012-08-02 2014-02-12 五冶集团上海有限公司 PE pipeline pressure test blind plate

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