CN104154370A - Petrochemical storage tank pipe joint and manufacturing method thereof - Google Patents
Petrochemical storage tank pipe joint and manufacturing method thereof Download PDFInfo
- Publication number
- CN104154370A CN104154370A CN201410303375.5A CN201410303375A CN104154370A CN 104154370 A CN104154370 A CN 104154370A CN 201410303375 A CN201410303375 A CN 201410303375A CN 104154370 A CN104154370 A CN 104154370A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- pipe
- storage tank
- fiber winding
- pipe joint
- 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.)
- Granted
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Classifications
-
- 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 invention relates to a petrochemical storage tank pipe joint, and further relates to a manufacturing method of the petrochemical storage tank pipe joint. The petrochemical storage tank pipe joint is characterized by comprising a joint body and a locking nut which is in threaded connection with the joint body, wherein the joint body is a step-shaped round pipe body with a limiting ring arranged at one end, the round pipe body is formed by arranging a mould pressing layer A outside a glass fiber winding pipe A, and the locking nut can be formed by placing a glass fiber winding pipe B in a mould pressing layer B. The petrochemical storage tank pipe joint is formed by compositing the glass fiber winding pipes and the mould pressing layers on the whole, the glass fiber winding pipes are formed by winding continuous glass fiber yarn on glass fiber fabric, good bending strength is achieved, the situation that cracking occurs during hoisting is avoided, and thread slipping and damage can be avoided. The mould pressing layers form the main part of the pipe joint, pipe joint forming can be realized by using a mould, the machining amount is reduced, meanwhile, 20-30% of short fibers are used as mould pressing materials, the weight is low and the manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of petrochemical industry storage tank pipe joint, also relate to a kind of method of manufacturing this petrochemical industry storage tank pipe joint.
Background technique
Petrochemical industry storage tank is the container of 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 is because it has excellent decay resistance, the advantage such as electrical insulation, heat-shielding performance are good and being widely used gradually.
Petrochemical industry storage tank pipe joint is connected for 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, by fittings body end limited ring, is coordinated fittings body is fixedly clamped on the sidewall of petrochemical industry storage tank with locking nut.
When adopting the pipe joint of traditional glass steel structure, although it has inherited the excellent specific property of glass fibre reinforced plastics, also there is certain defect at present:
1. the internal and external screw thread of pipe joint is fragile, when pipe joint is connected with pipeline, locking nut, if coupling mechanism force cannot be well controlled, very easily damages the internal and external screw thread of pipe joint, causes stripped thread;
2. locking nut shear strength is low, easily pipe joint locking is being caused on pipeline time and is being split;
3. in addition; pipe joint is when being installed on storage tank both sides, and common meeting is the double suspension centre of making storage tank when needing to lift by crane, move, and 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
It is high and be difficult for the petrochemical industry storage tank pipe joint of stripped thread that the technical problem to be solved in the present invention is to provide a kind of shear strength, and a kind of manufacture method that realizes this pipe joint is also provided.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of petrochemical industry storage tank pipe 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 arranges embossed plies A outward by glass fiber winding pipe A and forms;
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 consists of the built-in glass fiber winding pipe of embossed plies B B;
One end pipe body away from limited ring in described fittings body is fixed on petrochemical industry storage tank sidewall through being threaded with locking nut after petrochemical industry storage tank sidewall.
Further, described glass fiber winding pipe A and glass fiber winding pipe B are Wrapping formed by glass continuous filament yarn and fabric.
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 adopt 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 of manufacturing above-mentioned petrochemical industry storage tank pipe 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, again the reel glasscloth of pre-impregnated resin, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidifies at normal temperatures or accelerate to solidify 120 ℃ of following heating after moulding finishes;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in to corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing and glass fiber winding pipe A, the glass fiber winding pipe B integral body that is connected to form one;
Molding material adopts by short glass fiber, unsaturated resin, filler the 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, the temperature that is heating and curing is 130-170 ℃.
The invention has the advantages that: whole adopt glass fiber winding pipe and embossed plies is compound makes, glass fiber winding pipe is by the continuous yarn forming of glasscloth upper glass Filament-wound Machine, there is good resistance to flexure, while avoiding lifting by crane, rupture, and can avoid stripped thread and the damage of screw thread.The main body of pipe joint is embossed plies, can utilize mould to realize the moulding of pipe joint, reduces amount of machining, meanwhile, moulding material is selected the short fibre of 20-30%, has both had well corrosion-resistant, electrical insulation, heat-shielding performance, possess simultaneously lightweight, the advantage of low cost of manufacture.
Accompanying drawing explanation
Tu1Wei China Petrochemical Industry of the present invention storage tank pipe joint is arranged on structural representation on storage tank.
Tu2Wei China Petrochemical Industry of the present invention storage tank pipe joint middle joint body structure schematic diagram.
Tu3Wei China Petrochemical Industry of the present invention storage tank pipe joint locking nut structure schematic diagram.
The fittings body of Tu4Wei China Petrochemical Industry of the present invention storage tank pipe joint coordinates schematic diagram with locking nut.
Fig. 5 is the petrochemical industry storage tank pipe 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 pipe that this locking nut 2 can be sleeved on fittings body 1 is external and be threaded with pipe body; One end pipe body away from limited ring in fittings body is threaded and is fixed on petrochemical industry storage tank sidewall 3 with locking nut 2 through petrochemical industry storage tank sidewall 3 is rear.
As shown in Figure 2,3, 4, in the present invention, the pipe body of fittings body 1 arranges embossed plies A12 outward by glass fiber winding pipe A11 and forms; Locking nut 2 consists of the built-in glass fiber winding pipe of embossed plies B22 B21.
Wherein, on glass fiber winding pipe A11 and the equal glasscloth of glass fiber winding pipe B21, be wound around the continuous yarn forming of glass fibre.And embossed plies A12 and embossed plies B22 adopt 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 along the ring body 11a of 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, the ring body is here only exemplary, not circumscribed, it can also be glass fiber winding pipe A11, glass fiber winding pipe B21 in any raised or sunken shape arranging with the contacting point of embossed plies A12, embossed plies B22 respectively, repeats no more here.
Embodiment 1
The preparation method of petrochemical industry storage tank pipe 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, again the reel glasscloth of pre-impregnated resin, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidifies at normal temperatures or accelerate to solidify 120 ℃ of following heating after moulding finishes;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in to corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing and glass fiber winding pipe A, the glass fiber winding pipe B integral body that is connected to form one;
Molding material adopts by short glass fiber, unsaturated resin, filler the material bulk prepreg through fully mixing, and wherein short glass fiber content is in 22%(quality), the pressure of compression molding is 8Mpa, the temperature that is heating and curing is 140 ℃.
Embodiment 2
The preparation method of petrochemical industry storage tank pipe 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, again the reel glasscloth of pre-impregnated resin, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidifies at normal temperatures or accelerate to solidify 120 ℃ of following heating after moulding finishes;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in to corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing and glass fiber winding pipe A, the glass fiber winding pipe B integral body that is connected to form one;
Molding material adopts by short glass fiber, unsaturated resin, filler the material bulk prepreg through fully mixing, and wherein short glass fiber content is in 25%(quality), the pressure of compression molding is 10Mpa, the temperature that is heating and curing is 160 ℃.
Common joint 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 described 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; that in above-described embodiment and specification, describes 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.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a petrochemical industry storage tank pipe joint, is characterized in that: comprise
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 arranges embossed plies A outward by glass fiber winding pipe A and forms;
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 consists of the built-in glass fiber winding pipe of embossed plies B B;
One end pipe body away from limited ring in described fittings body is fixed on petrochemical industry storage tank sidewall through being threaded with locking nut after petrochemical industry storage tank sidewall.
2. petrochemical industry storage tank pipe joint according to claim 1, is characterized in that: described glass fiber winding pipe A and glass fiber winding pipe B are Wrapping formed by glass continuous filament yarn and fabric.
3. petrochemical industry storage tank pipe joint according to claim 1, is characterized in that: 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.
4. petrochemical industry storage tank pipe joint according to claim 1, is characterized in that: described embossed plies A and embossed plies B adopt content at the short fibre of 20-30%, and the length of short fibre is 3-13mm.
5. petrochemical industry storage tank pipe joint according to claim 1 and 2, is characterized in that: the specification of the continuous yarn of described glass fibre is 1200-4800tex.
6. manufacture a method for above-mentioned petrochemical industry storage tank pipe joint, it is characterized in that described 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, again the reel glasscloth of pre-impregnated resin, last hoop is again wound around the glass continuous filament yarn of insulating varnish, solidifies at normal temperatures or accelerate to solidify 120 ℃ of following heating after moulding finishes;
Step S2: compression molding: glass fiber winding pipe A, glass fiber winding pipe B are placed in to corresponding molding die, again molding material is put into pressing mold, by pressurization, be heating and curing and glass fiber winding pipe A, the glass fiber winding pipe B integral body that is connected to form one;
Molding material adopts by short glass fiber, unsaturated resin, filler the 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 ℃.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154370A true CN104154370A (en) | 2014-11-19 |
| CN104154370B 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638271A (en) * | 2018-05-29 | 2018-10-12 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of bamboo winds the reducer pipe of its preparation of the preparation method and application of reducer pipe |
| CN108656294A (en) * | 2018-05-29 | 2018-10-16 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of forming method of bamboo winding reducer pipe and apply its molding reducer pipe |
| 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 |
| CN112497577A (en) * | 2020-12-18 | 2021-03-16 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108638271A (en) * | 2018-05-29 | 2018-10-12 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of bamboo winds the reducer pipe of its preparation of the preparation method and application of reducer pipe |
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| 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 |
| CN112497577A (en) * | 2020-12-18 | 2021-03-16 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104154370B (en) | 2016-04-13 |
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