CN104154370B - A kind of method manufacturing petrochemical industry accumulator joint - Google Patents
A kind of method manufacturing petrochemical industry accumulator joint Download PDFInfo
- Publication number
- CN104154370B CN104154370B CN201410303375.5A CN201410303375A CN104154370B CN 104154370 B CN104154370 B CN 104154370B CN 201410303375 A CN201410303375 A CN 201410303375A CN 104154370 B CN104154370 B CN 104154370B
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- CN
- China
- Prior art keywords
- glass fiber
- pipe
- fiber winding
- winding pipe
- petrochemical industry
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/14—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe by screwing an intermediate part against the inside or outside of the wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- B29D23/003—Pipe joints, e.g. straight joints
Abstract
The present invention relates to a kind of petrochemical industry accumulator joint, also relate to a kind of method manufacturing this petrochemical industry accumulator joint, it is characterized in that comprising: a fittings body, this fittings body is the step-like pipe body that an end has limited ring, and pipe body is formed by arranging embossed plies A outside glass fiber winding pipe A; One locking nut be threaded with fittings body, this locking nut can be made up of embossed plies B built-in glass fiber winding pipe B.Overall glass fiber winding pipe and the embossed plies compound of adopting is made, and glass fiber winding pipe, by glasscloth being wound around the continuous yarn forming of glass fibre, has good resistance to flexure, avoids rupturing during lifting, and can avoid stripped thread and the damage of screw thread.The main body of pipe joint is embossed plies, mould can be utilized to realize the shaping of pipe joint, reduce engine amount of finish, and meanwhile, moulding material selects the short fibre of 20-30%, lightweight, low cost of manufacture.
Description
Technical field
The present invention relates to a kind of petrochemical industry accumulator joint, also relate to a kind of method manufacturing this petrochemical industry accumulator joint.
Background technique
Petrochemical industry storage tank is the container depositing the chemical substances such as crude oil, soda acid, alcohol, gas, and it is by being mainly divided into steel lining plastic storage tank, polyethylene rotational molding storage tank, fiberglass-reinforced glass storage tank etc.And the storage tank of glass steel material has excellent decay resistance due to it, advantages such as electrical insulation, heat-shielding performance are good and being widely used gradually.
Petrochemical industry accumulator joint is used for the connection of petrochemical industry tank inside and external pipe, its structure mainly comprises fittings body and locking nut, fittings body is the step-like pipe body that an end has limited ring, to be coordinated be fixedly clamped on the sidewall of petrochemical industry storage tank by fittings body by fittings body end limited ring with locking nut.
At present when adopting the pipe joint of traditional glass steel structure, although it inherits the excellent specific property of glass fibre reinforced plastics, also there is certain defect:
1. the internal and external screw thread of pipe joint is fragile, when being connected with pipeline, locking nut by pipe joint, if coupling mechanism force cannot be well controlled very easily damage the internal and external screw thread of pipe joint, causes stripped thread;
2. locking nut shear strength is low, easily by pipe joint locking on pipeline time cause and split;
3. in addition; pipe joint is when being installed on storage tank both sides, and usually understand the double suspension centre making storage tank when needing lifting, movement, the internal thread of pipe joint is fragile under the vertical effect of pipeline; and can may rupture when pipe joint insufficient strength, there is potential potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is to provide the high and petrochemical industry accumulator joint that is not easily stripped thread of a kind of shear strength, also provides a kind of manufacture method realizing this pipe joint.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of petrochemical industry accumulator joint, comprises
One fittings body, this fittings body is the step-like pipe body that an end has limited ring, and the endoporus of pipe body arranges elongated internal thread, and the side outer round surface away from limited ring in pipe body arranges outside thread; Described pipe body is formed by arranging embossed plies A outside glass fiber winding pipe A;
One locking nut, it is external and be threaded with pipe body that this locking nut can be sleeved on the pipe of fittings body; Described locking nut is made up of embossed plies B built-in glass fiber winding pipe B;
Be fixed on petrochemical industry storage tank sidewall through being threaded with locking nut after petrochemical industry storage tank sidewall away from one end pipe body of limited ring in described fittings body.
Further, described glass fiber winding pipe A and glass fiber winding pipe B by glass continuous filament yarn and fabric Wrapping formed.
Further, described glass fiber winding pipe A, glass fiber winding pipe B are being provided with projection with the contacting point of embossed plies A, embossed plies B respectively.
Further, described embossed plies A and embossed plies B adopts content at the short fibre of 20-30%, and the length of short fibre is 3-13mm.
Further, the specification of the continuous yarn of described glass fibre is 1200-4800tex.
The present invention also provides a kind of method manufacturing above-mentioned petrochemical industry accumulator joint, comprises the following steps:
Step S1: the making of glass fiber winding pipe A, glass fiber winding pipe B in fittings body and locking nut: on Wrapping formed mould, first hoop is wound around the glass continuous filament yarn of pre-impregnated resin, reel the glasscloth of pre-impregnated resin again, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidification at normal temperatures or heating acceleration solidification below 120 DEG C after shaping end;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing the entirety that to be connected to form one with glass fiber winding pipe A, glass fiber winding pipe B;
Molding material adopts by short glass fiber, unsaturated resin, the filler material bulk prepreg through fully mixing, and wherein short glass fiber content is in 20-30%(quality), the pressure of compression molding is 6-12MPa, and the temperature that is heating and curing is 130-170 DEG C.
The invention has the advantages that: overall glass fiber winding pipe and the embossed plies compound of adopting is made, glass fiber winding pipe is by the continuous yarn forming of glass fiber winding on glasscloth, there is good resistance to flexure, avoid rupturing during lifting, and stripped thread and the damage of screw thread can be avoided.The main body of pipe joint is embossed plies, mould can be utilized to realize the shaping of pipe joint, reduce engine amount of finish, meanwhile, moulding material selects the short fibre of 20-30%, has both had well corrosion-resistant, electrical insulation, heat-shielding performance, possess lightweight, the advantage of low cost of manufacture simultaneously.
Accompanying drawing explanation
Fig. 1 is China Petrochemical Industry's accumulator jiont treatment of the present invention structural representation on storage tank.
Fig. 2 is China Petrochemical Industry of the present invention accumulator joint middle joint body structure schematic diagram.
Fig. 3 is China Petrochemical Industry of the present invention accumulator joint filling structural representation.
Fig. 4 is that the fittings body of China Petrochemical Industry of the present invention accumulator joint coordinates schematic diagram with locking nut.
Fig. 5 is the petrochemical industry accumulator joint middle joint body schematic diagram of another kind of structure in the present invention.
Fig. 6 is the glass fiber winding pipe B schematic diagram of another kind of structure in the present invention.
Embodiment
As shown in Figure 1, comprise fittings body 1 and locking nut 2, fittings body 1 is the step-like pipe body that an end has limited ring, and the endoporus of pipe body arranges elongated internal thread, and the side outer round surface away from limited ring in pipe body arranges outside thread; Locking nut 2 is outer-hexagonal locknut, and the pipe that this locking nut 2 can be sleeved on fittings body 1 is external and be threaded with pipe body; Be fixed on petrochemical industry storage tank sidewall 3 through being threaded with locking nut 2 after petrochemical industry storage tank sidewall 3 away from one end pipe body of limited ring in fittings body.
As shown in Figure 2,3, 4, in the present invention, the pipe body of fittings body 1 is formed by arranging embossed plies A12 outside glass fiber winding pipe A11; Locking nut 2 is then made up of embossed plies B22 built-in glass fiber winding pipe B21.
Wherein, glass fiber winding pipe A11 and the equal glasscloth of glass fiber winding pipe B21 are wound around the continuous yarn forming of glass fibre.And embossed plies A12 and embossed plies B22 adopts content at the short fibre of 20-30%, the length of short fibre is 3-13mm.
For improving the combination force of glass fiber winding pipe and embossed plies, as shown in Figure 5,6, the outer surface of glass fiber winding pipe A11 is provided with several ring body 11a along its axial distribution, and the outer surface of glass fiber winding pipe B21 and internal surface are provided with several ring body 21a along its axial distribution and ring body 21b.Those skilled in the art should understand, here ring body is only exemplary, not circumscribed, it can also be glass fiber winding pipe A11, glass fiber winding pipe B21 in any raised or sunken shape arranged with the contacting point of embossed plies A12, embossed plies B22 respectively, repeat no more here.
Embodiment 1
The preparation method of petrochemical industry accumulator joint, comprises the following steps:
Step S1: the making of glass fiber winding pipe A, glass fiber winding pipe B in fittings body and locking nut: on Wrapping formed mould, first hoop is wound around the glass continuous filament yarn of pre-impregnated resin, reel the glasscloth of pre-impregnated resin again, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidification at normal temperatures or heating acceleration solidification below 120 DEG C after shaping end;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing the entirety that to be connected to form one with glass fiber winding pipe A, glass fiber winding pipe B;
Molding material adopts by short glass fiber, unsaturated resin, the filler material bulk prepreg through fully mixing, and wherein short glass fiber content is in 22%(quality), the pressure of compression molding is 8Mpa, and the temperature that is heating and curing is 140 DEG C.
Embodiment 2
The preparation method of petrochemical industry accumulator joint, comprises the following steps:
Step S1: the making of glass fiber winding pipe A, glass fiber winding pipe B in fittings body and locking nut: on Wrapping formed mould, first hoop is wound around the glass continuous filament yarn of pre-impregnated resin, reel the glasscloth of pre-impregnated resin again, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidification at normal temperatures or heating acceleration solidification below 120 DEG C after shaping end;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing the entirety that to be connected to form one with glass fiber winding pipe A, glass fiber winding pipe B;
Molding material adopts by short glass fiber, unsaturated resin, the filler material bulk prepreg through fully mixing, and wherein short glass fiber content is in 25%(quality), the pressure of compression molding is 10MPa, and the temperature that is heating and curing is 160 DEG C.
Ordinary pipe couplings internal thread breakdown torque reaches 1700N.M, and the breakdown torque of locking nut of the present invention reaches 2500N.M, and joint integral lifting power is greater than 40KN.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. one kind manufactures the method for petrochemical industry accumulator joint, it is characterized in that, described petrochemical industry accumulator joint, comprise a fittings body, this fittings body is the step-like pipe body that an end has limited ring, the endoporus of pipe body arranges elongated internal thread, and the side outer round surface away from limited ring in pipe body arranges outside thread; Described pipe body is formed by arranging embossed plies A outside glass fiber winding pipe A; One locking nut, it is external and be threaded with pipe body that this locking nut can be sleeved on the pipe of fittings body; Described locking nut is made up of embossed plies B built-in glass fiber winding pipe B; Be fixed on petrochemical industry storage tank sidewall away from one end pipe body of limited ring through being threaded with locking nut after petrochemical industry storage tank sidewall in described fittings body;
Step is: step S1: the making of glass fiber winding pipe A, glass fiber winding pipe B in fittings body and locking nut: on Wrapping formed mould, first hoop is wound around the glass continuous filament yarn of pre-impregnated resin, reel the glasscloth of pre-impregnated resin again, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidification at normal temperatures or heating acceleration solidification below 120 DEG C after shaping end;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing the entirety that to be connected to form one with glass fiber winding pipe A, glass fiber winding pipe B;
Molding material adopts by short glass fiber, unsaturated resin, the filler material bulk prepreg through fully mixing, and wherein short glass fiber content is at 20-30%, and the pressure of compression molding is 6-12MPa, and the temperature that is heating and curing is 130-170 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303375.5A CN104154370B (en) | 2014-06-30 | 2014-06-30 | A kind of method manufacturing petrochemical industry accumulator joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303375.5A CN104154370B (en) | 2014-06-30 | 2014-06-30 | A kind of method manufacturing petrochemical industry accumulator joint |
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| Publication Number | Publication Date |
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| CN104154370A CN104154370A (en) | 2014-11-19 |
| CN104154370B true CN104154370B (en) | 2016-04-13 |
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| CN201410303375.5A Active CN104154370B (en) | 2014-06-30 | 2014-06-30 | A kind of method manufacturing petrochemical industry accumulator joint |
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Families Citing this family (4)
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| CN108638271B (en) * | 2018-05-29 | 2023-03-31 | 中林鑫宙竹缠绕发展有限公司 | Preparation method of bamboo-wound reducer pipe and reducer pipe prepared by using same |
| CN108656294B (en) * | 2018-05-29 | 2023-04-11 | 中林鑫宙竹缠绕发展有限公司 | Forming method of bamboo winding reducer pipe and reducer pipe formed by applying forming method |
| CN109027457A (en) * | 2018-08-21 | 2018-12-18 | 中车南京浦镇车辆有限公司 | A kind of pipeline erection joint |
| CN112497577B (en) * | 2020-12-18 | 2022-11-25 | 江苏常友环保科技股份有限公司 | Engine room cover inner and outer flange integrated forming combined die |
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| US4179038A (en) * | 1977-03-07 | 1979-12-18 | Rosan Engineering Corp. | Self-sealing flange and method of installation thereof |
| US6467815B1 (en) * | 2000-11-17 | 2002-10-22 | Fab-Tech Incorporated | Fitting for installation of a nipple from the exterior of a duct and method of installation |
| CN200949589Y (en) * | 2006-02-23 | 2007-09-19 | 崔志军 | Screw nut for glass fiber full thread roofbolt |
| CN101758625A (en) * | 2008-12-25 | 2010-06-30 | 嘉善三方电力器材有限公司 | Manufacturing method of glass-steel nut |
| CN202001744U (en) * | 2011-04-27 | 2011-10-05 | 江苏鹏宇玻璃钢压力容器有限公司 | Special connecting joint for glass fiber reinforced plastic pressure container |
| CN102606731A (en) * | 2011-01-25 | 2012-07-25 | 上海唯赛勃环保科技股份有限公司 | Glass reinforced plastic pressure vessel |
| CN204062240U (en) * | 2014-06-30 | 2014-12-31 | 江苏九鼎新材料股份有限公司 | A kind of petrochemical industry accumulator joint |
-
2014
- 2014-06-30 CN CN201410303375.5A patent/CN104154370B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4179038A (en) * | 1977-03-07 | 1979-12-18 | Rosan Engineering Corp. | Self-sealing flange and method of installation thereof |
| US6467815B1 (en) * | 2000-11-17 | 2002-10-22 | Fab-Tech Incorporated | Fitting for installation of a nipple from the exterior of a duct and method of installation |
| CN200949589Y (en) * | 2006-02-23 | 2007-09-19 | 崔志军 | Screw nut for glass fiber full thread roofbolt |
| CN101758625A (en) * | 2008-12-25 | 2010-06-30 | 嘉善三方电力器材有限公司 | Manufacturing method of glass-steel nut |
| CN102606731A (en) * | 2011-01-25 | 2012-07-25 | 上海唯赛勃环保科技股份有限公司 | Glass reinforced plastic pressure vessel |
| CN202001744U (en) * | 2011-04-27 | 2011-10-05 | 江苏鹏宇玻璃钢压力容器有限公司 | Special connecting joint for glass fiber reinforced plastic pressure container |
| CN204062240U (en) * | 2014-06-30 | 2014-12-31 | 江苏九鼎新材料股份有限公司 | A kind of petrochemical industry accumulator joint |
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| Publication number | Publication date |
|---|---|
| CN104154370A (en) | 2014-11-19 |
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