CN105936389A - Method for producing concentrated nitric acid storage tank by winding carbon fibers - Google Patents
Method for producing concentrated nitric acid storage tank by winding carbon fibers Download PDFInfo
- Publication number
- CN105936389A CN105936389A CN201610223761.2A CN201610223761A CN105936389A CN 105936389 A CN105936389 A CN 105936389A CN 201610223761 A CN201610223761 A CN 201610223761A CN 105936389 A CN105936389 A CN 105936389A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- winding
- fiber layer
- nitric acid
- concentrated nitric
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a method for producing a concentrated nitric acid storage tank by winding carbon fibers. The method comprises the following steps of calculating the winding thickness of a carbon fiber layer; calculating the winding angle of the carbon fiber layer; cleaning a pure aluminum inner container; winding a glass fiber layer; configuring a winding material of the carbon fiber layer; winding the carbon fiber layer; heating and curing materials of the carbon fiber layer; welding a pipe hole; and welding a storage tank supporting seat. According to the method provided by the invention, the concentrated nitric acid storage tank is produced by winding the carbon fiber material; the tank body consists of a pure aluminum inner container layer, the glass fiber layer and the carbon fiber layer; after the stress conditions of the tank body of the storage tank are analyzed by using a layer and plate theory, the winding thickness of the carbon fiber layer is calculated and the winding angle is optimized; and by adding the glass fiber layer, galvanic corrosion of the pure aluminum inner container and the carbon fiber layer can be effectively prevented.
Description
Technical field
The present invention relates to the preparation method technical field of storage tank, particularly relate to a kind of employing carbon fiber winding system
The method of standby concentrated nitric acid tank.
Background technology
Concentrated nitric acid is a kind of industrial chemicals with extensive use, owing to concentrated nitric acid has strong oxidizing property, strong
Corrosivity.The railway tank being presently used for concentrated nitric acid railway transportation is 60 tonnes of aluminum tank cars, mostly is
Last century 70, the eighties produce, and calculate 25 years service life according to railway tank, most aluminums
Tank car is to scrapping the time limit.After railway speed increase, these aluminum tank cars, because from great, reduce tank car
Loading capacity, it is difficult to meet railway transportation requirement, did not had new aluminum railway tank after 2006
Car is put on market, existing market demand about 800.Carbon fiber is because of its lightweight, the premium properties such as high-strength
Every field in Aero-Space, defence and military and civilian industry the most is used widely.Abroad exist
Start to be used for carbon fibre composite pressure vessel manufacturing, similar large-scale storage tank the eighties in last century
Existing matured product.Big fiber type used by domestic petroleum, chemical field is wound around storage tank and is also mainly fiberglass
Storage tank, large-scale carbon fiber winding storage tank or a brand-new field, be used in railway concentrated nitric acid
Accumulating aspect is the most blank.
Summary of the invention
For solving the problems referred to above, the invention discloses and a kind of use carbon fiber winding to prepare concentrated nitric acid tank
Method.Comprise the following steps:
S1: according to concentrated nitric acid tank transport concentrated nitric acid time pair tank body function and safety requirements, foundation
GB150 designs standard, calculates carbon fiber layer and is wound around thickness；
S2: according to the mechanical strength of carbon fibre material, calculate the carbon fiber layer winding of tank body different parts
Angle；
S3: use mechanical grinding and acetone cleaning way to process the fine aluminium inner bag of concentrated nitric acid tank tank body, make
Its surface cleaning；
S4: use 15-55 degree winding angle, uses glass fibre at the fine aluminium inner bag of concentrated nitric acid tank tank body
The glass layer of upper winding 0.5-1.0 mm of thickness, makes fine aluminium inner container insulating；
S5: preparation carbon fiber layer winding material, and according to step S1, S2 calculate winding thickness and twine
Around angle, carbon fiber layer winding material is wrapped on glass layer；
S6: the concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing；
S7: the charging hole of welding concentrated nitric acid tank and discharge opening, by the carbon fiber layer fine aluminium to tank body
Gallbladder perforate, the perforate size of fine aluminium inner bag is in the same size with the adapter internal diameter of charging hole and discharge opening, and carbon is fine
The edge verge of opening 70-100 millimeter far from fine aluminium inner bag of dimension layer perforate, by charging hole and discharge opening
Adapter is welded on the opening part of fine aluminium inner bag, after having welded, the carbon fiber layer part removed is used carbon
Fiber prepreg material reinforcement；
S8: the bearing of welding concentrated nitric acid tank, removes the carbon fiber layer of concentrated nitric acid tank bearing correspondence position,
Being welded on fine aluminium inner bag by the saddle of concentrated nitric acid tank bearing, carbon fiber layer edge of opening is away from fine aluminium inner bag
Saddle welding edge 60-80 millimeter, after saddle has welded, to remove carbon fiber layer part use
Carbon fiber prepreg local hands sticks with paste reinforcement.
Further, described step S5 includes:
The mixture that carbon fiber layer material is epoxy resin and firming agent of S501: configuration, described asphalt mixtures modified by epoxy resin
Fat is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride, and the ratio of described compound is by weight
Measure every 100 parts of epoxy E51 resins and add 80-95 part firming agent；
S502: carbon fiber layer be wound around thickness be 3-5 millimeter, winding angle is: tank body ± 15 ° twine
8-10 layer it is wound around around angle, tank body ± 55 ° of winding angles winding 18-22 layers, 90 ° of winding angles of tank body
It is wound around 4-8 layer.
Further, described step S6 is heating and curing and divides into following steps:
S601: the 2-4 hour hardening time when solidification temperature is 80 DEG C；
S602: the 2-4 hour hardening time when solidification temperature is 120 DEG C；
S603: the 4-8 hour hardening time when solidification temperature is 140 DEG C.
Compared with prior art, the present invention includes advantages below:
The present invention is wound around concentrated nitric acid tank with carbon fibre material, tank body by fine aluminium bladder layer, glass layer,
Carbon fiber layer forms, and is calculated carbon fiber layer after analyzing storage tank tank body stressing conditions by layer and plate theory
It is wound around thickness, and optimizes winding angle, add glass layer and can effectively prevent fine aluminium inner bag and carbon fiber
The galvanic corrosion of layer.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the accompanying drawing used in example or description of the prior art to do one and introduce simply.
Fig. 1 is the flow chart of the present invention.
Fig. 2 is that the carbon fiber layer of the present invention is wound around fine aluminium inner bag flow chart.
Fig. 3 is that the carbon fiber layer of the present invention is heating and curing flow chart.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
A kind of employing carbon fiber winding provided the present invention with embodiment below in conjunction with the accompanying drawings is prepared dense
The method of nitric acid storage tank illustrates in greater detail.
As it is shown in figure 1, a kind of method using carbon fiber winding to prepare concentrated nitric acid tank includes walking as follows
Rapid:
S1: according to concentrated nitric acid tank transport concentrated nitric acid time pair tank body function and safety requirements, foundation
GB150 designs standard, calculates carbon fiber layer and is wound around thickness；
S2: according to the mechanical strength of carbon fibre material, calculate the carbon fiber layer winding of tank body different parts
Angle；
S3: use mechanical grinding and acetone cleaning way to process the fine aluminium inner bag of concentrated nitric acid tank tank body, make
Its surface cleaning；
S4: use 15-55 degree winding angle, uses glass fibre at the fine aluminium inner bag of concentrated nitric acid tank tank body
The glass layer of upper winding 0.5-1.0 mm of thickness, makes fine aluminium inner container insulating；
S5: preparation carbon fiber layer winding material, and according to step S1, S2 calculate winding thickness and twine
Around angle, carbon fiber layer winding material is wrapped on glass layer；
S6: the concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing；
S7: the charging hole of welding concentrated nitric acid tank and discharge opening, by the carbon fiber layer fine aluminium to tank body
Gallbladder perforate, the perforate size of fine aluminium inner bag is in the same size with the adapter internal diameter of charging hole and discharge opening, and carbon is fine
The edge verge of opening 70-100 millimeter far from fine aluminium inner bag of dimension layer perforate, by charging hole and discharge opening
Adapter is welded on the opening part of fine aluminium inner bag, after having welded, the carbon fiber layer part removed is used carbon
Fiber prepreg material reinforcement；
S8: the bearing of welding concentrated nitric acid tank, removes the carbon fiber layer of concentrated nitric acid tank bearing correspondence position,
Being welded on fine aluminium inner bag by the saddle of concentrated nitric acid tank bearing, carbon fiber layer edge of opening is away from fine aluminium inner bag
Saddle welding edge 60-80 millimeter, after saddle has welded, to remove carbon fiber layer part use
Carbon fiber prepreg local hands sticks with paste reinforcement.
As in figure 2 it is shown, described step S5 configuration carbon fiber layer winding material and winding method are included with
Lower step:
The mixture that carbon fiber layer material is epoxy resin and firming agent of S501: configuration, described asphalt mixtures modified by epoxy resin
Fat is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride, and the ratio of described compound is by weight
Measure every 100 parts of epoxy E51 resins and add 80-95 part firming agent；
S502: carbon fiber layer be wound around thickness be 3-5 millimeter, winding angle is: tank body ± 15 ° twine
8-10 layer it is wound around around angle, tank body ± 55 ° of winding angles winding 18-22 layers, 90 ° of winding angles of tank body
It is wound around 4-8 layer.
As it is shown on figure 3, carbon fiber layer winding material is heating and curing by described step S6 divides into following step
Rapid:
S601: the 2-4 hour hardening time when solidification temperature is 80 DEG C；
S602: the 2-4 hour hardening time when solidification temperature is 120 DEG C；
S603: the 4-8 hour hardening time when solidification temperature is 140 DEG C.
Embodiment one:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 5 millimeters, according to the power of carbon fibre material
Learning intensity, calculate the angle that the carbon fiber layer of tank body different parts is wound around, winding angle is 15 degree, 55 degree,
90 degree, and 15 winding angles winding 8 layers, 55 winding angles are wound around 20 layers, and 90 degree of winding angles are wound around 6 layers；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:80；
(4) 15 degree and 55 degree of winding angles first winding layer of glass on storage tank fine aluminium inner bag are used
Insulating barrier；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 2 hours when 80 DEG C, then 2 hours hardening times when solidification temperature 120 DEG C, finally exist
6 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Embodiment two:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 4.5 millimeters, according to carbon fibre material
Mechanical strength, calculates the angle that the carbon fiber layer of tank body different parts is wound around, and winding angle is 15 degree, and 55
Degree, 90 degree, and 15 winding angles winding 9 layers, 55 winding angles are wound around 18 layers, and 90 degree of winding angles are wound around
4 layers；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:80；
(4) 15 degree of winding angles are used first to be wound around layer of glass insulating barrier on storage tank fine aluminium inner bag；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 2 hours when 80 DEG C, then 3 hours hardening times when solidification temperature 120 DEG C, finally exist
5 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Embodiment three:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 5 millimeters, according to the power of carbon fibre material
Learning intensity, calculate the angle that the carbon fiber layer of tank body different parts is wound around, winding angle is 15 degree, 55 degree,
90 degree, and 15 winding angles winding 10 layers, 55 winding angles are wound around 20 layers, and 90 degree of winding angles are wound around 8
Layer；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:90；
(4) 45 degree of winding angles are used first to be wound around layer of glass insulating barrier on storage tank fine aluminium inner bag；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 2 hours when 80 DEG C, then 2 hours hardening times when solidification temperature 120 DEG C, finally exist
6 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Embodiment four:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 4 millimeters, according to the power of carbon fibre material
Learning intensity, calculate the angle that the carbon fiber layer of tank body different parts is wound around, winding angle is 15 degree, 55 degree,
90 degree, and 15 winding angles winding 8 layers, 55 winding angles are wound around 18 layers, and 90 degree of winding angles are wound around 4 layers；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:95；
(4) 35 degree of winding angles are used first to be wound around layer of glass insulating barrier on storage tank fine aluminium inner bag；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 2 hours when 80 DEG C, then 4 hours hardening times when solidification temperature 120 DEG C, finally exist
6 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Embodiment five:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 3.5 millimeters, according to carbon fibre material
Mechanical strength, calculates the angle that the carbon fiber layer of tank body different parts is wound around, and winding angle is 15 degree, and 55
Degree, 90 degree, and 15 winding angles winding 8 layers, 55 winding angles are wound around 18 layers, and 90 degree of winding angles are wound around
4 layers；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:90；
(4) 30 degree of winding angles are used first to be wound around layer of glass insulating barrier on storage tank fine aluminium inner bag；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 2 hours when 80 DEG C, then 4 hours hardening times when solidification temperature 120 DEG C, finally exist
4 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Embodiment six:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 3 millimeters, according to the power of carbon fibre material
Learning intensity, calculate the angle that the carbon fiber layer of tank body different parts is wound around, winding angle is 15 degree, 55 degree,
90 degree, and 15 winding angles winding 8 layers, 55 winding angles are wound around 18 layers, and 90 degree of winding angles are wound around 4 layers；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:85；
(4) 55 degree of winding angles are used first to be wound around layer of glass insulating barrier on storage tank fine aluminium inner bag；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 4 hours when 80 DEG C, then 4 hours hardening times when solidification temperature 120 DEG C, finally exist
4 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Embodiment seven:
Present embodiment discloses a kind of method using carbon fiber winding to prepare concentrated nitric acid tank and include following
Step:
(1) according to performance and the safety requirements of concentrated nitric acid tank, design standard according to GB150, calculate
Carbon fiber layer is wound around thickness, and using carbon fiber layer to be wound around thickness is 5 millimeters, according to the power of carbon fibre material
Learning intensity, calculate the angle that the carbon fiber layer of tank body different parts is wound around, winding angle is 15 degree, 55 degree,
90 degree, and 15 winding angles winding 10 layers, 55 winding angles are wound around 22 layers, and 90 degree of winding angles are wound around 8
Layer；
(2) mechanical grinding and acetone is used to clean fine aluminium inner bag so that it is surface cleaning；
(3) preparation winding carbon fiber layer material, described carbon fiber layer material is epoxy resin and solidification
The mixture of agent, described epoxy resin is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride,
The epoxy resin of described compound and the ratio of firming agent are 100:90；
(4) 50 degree of winding angles are used first to be wound around layer of glass insulating barrier on storage tank fine aluminium inner bag；
(5) it is wound around carbon fiber layer winding material according to the winding angle calculated；
(6) concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing, first in solidification temperature
Hardening time 2 hours when 80 DEG C, then 4 hours hardening times when solidification temperature 120 DEG C, finally exist
8 hours hardening times during solidification temperature 140 DEG C；
(7) the carbon fiber winding storage tank after solidification is offered charging hole and discharge opening, by charging hole and going out
The adapter in material hole is welded on the opening part of fine aluminium inner bag, uses carbon fiber pre-the carbon fiber layer part removed
Leaching material reinforcement；
(8) concentrated nitric acid tank being wound around the carbon fibre material after solidification disposes bearing, is stored up by concentrated nitric acid
The saddle of tank bearing is welded on fine aluminium inner bag, and the carbon fiber layer part removed is used carbon fiber prepreg
Locally hands sticks with paste reinforcement.
Above to a kind of method using carbon fiber winding to prepare concentrated nitric acid tank provided by the present invention
Being described in detail, principle and the embodiment of the present invention are entered by specific case used herein
Having gone elaboration, the explanation of above example is only intended to help to understand method and the core thereof of the present invention
Thought；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, specifically
All will change on embodiment and range of application, in sum, this specification content should not
It is interpreted as limitation of the present invention.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, and need not
In limiting the present invention, although the present invention being described in detail with reference to previous embodiment, for
For those skilled in the art, it still can be to the technical scheme described in foregoing embodiments
Modify, or wherein portion of techniques feature carried out equivalent, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (3)
1. one kind uses the method that carbon fiber winding prepares concentrated nitric acid tank, it is characterised in that include with
Lower step:
S1: according to concentrated nitric acid tank transport concentrated nitric acid time to tank body function and safety requirements, foundation
GB150 designs standard, calculates carbon fiber layer and is wound around thickness；
S2: according to the mechanical strength of carbon fibre material, calculate the carbon fiber layer winding of tank body different parts
Angle；
S3: use mechanical grinding and acetone cleaning way to process the fine aluminium inner bag of concentrated nitric acid tank tank body, make
Its surface cleaning；
S4: use 15-55 degree winding angle, uses glass fibre at the fine aluminium inner bag of concentrated nitric acid tank tank body
The glass layer of upper winding 0.5-1.0 mm of thickness, makes fine aluminium inner container insulating；
S5: preparation carbon fiber layer winding material, and according to step S1, S2 calculate winding thickness and twine
Around angle, carbon fiber layer winding material is wrapped on glass layer；
S6: the concentrated nitric acid tank of the carbon fiber layer material wound is heating and curing；
S7: the charging hole of welding concentrated nitric acid tank and discharge opening, by the carbon fiber layer fine aluminium to tank body
Gallbladder perforate, the perforate size of fine aluminium inner bag is in the same size with the adapter internal diameter of charging hole and discharge opening, and carbon is fine
The edge verge of opening 70-100 millimeter far from fine aluminium inner bag of dimension layer perforate, by charging hole and discharge opening
Adapter is welded on the opening part of fine aluminium inner bag, after having welded, the carbon fiber layer part removed is used carbon
Fiber prepreg material reinforcement；
S8: the bearing of welding concentrated nitric acid tank, removes the carbon fiber layer of concentrated nitric acid tank bearing correspondence position,
Being welded on fine aluminium inner bag by the saddle of concentrated nitric acid tank bearing, carbon fiber layer edge of opening is away from fine aluminium inner bag
Saddle welding edge 60-80 millimeter, after saddle has welded, to remove carbon fiber layer part use
Carbon fiber prepreg local hands sticks with paste reinforcement.
The method that employing carbon fiber winding the most according to claim 1 prepares concentrated nitric acid tank, its
Being characterised by, described step S5 includes:
The mixture that carbon fiber layer material is epoxy resin and firming agent of S501: configuration, described asphalt mixtures modified by epoxy resin
Fat is epoxy E51 resin, and firming agent used is methyl tetrahydro phthalic anhydride, and the ratio of described compound is by weight
Measure every 100 parts of epoxy E51 resins and add 80-95 part firming agent；
S502: carbon fiber layer be wound around thickness be 3-5 millimeter, winding angle is: tank body ± 15 ° twine
8-10 layer it is wound around around angle, tank body ± 55 ° of winding angles winding 18-22 layers, 90 ° of winding angles of tank body
It is wound around 4-8 layer.
The method that employing carbon fiber winding the most according to claim 1 prepares concentrated nitric acid tank, its
Being characterised by, following steps are divided in being heating and curing of described step S6:
S601: the 2-4 hour hardening time when solidification temperature is 80 DEG C；
S602: the 2-4 hour hardening time when solidification temperature is 120 DEG C；
S603: the 4-8 hour hardening time when solidification temperature is 140 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223761.2A CN105936389A (en) | 2016-04-12 | 2016-04-12 | Method for producing concentrated nitric acid storage tank by winding carbon fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223761.2A CN105936389A (en) | 2016-04-12 | 2016-04-12 | Method for producing concentrated nitric acid storage tank by winding carbon fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105936389A true CN105936389A (en) | 2016-09-14 |
Family
ID=57151362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223761.2A Pending CN105936389A (en) | 2016-04-12 | 2016-04-12 | Method for producing concentrated nitric acid storage tank by winding carbon fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105936389A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2236439A1 (en) * | 2009-04-03 | 2010-10-06 | Etablissements MAGYAR | Section made of composite material for a tank truck |
| CN103009716A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Carbon fiber composite, preparation method thereof and tank |
| CN103396139A (en) * | 2013-08-05 | 2013-11-20 | 东莞市凯鹏复合材料有限公司 | Manufacturing method of carbon/carbon crucible |
| CN104354436A (en) * | 2014-11-07 | 2015-02-18 | 湖北三江航天江北机械工程有限公司 | Manufacturing method of composite material shell wound by high-temperature-resistant fiber |
-
2016
- 2016-04-12 CN CN201610223761.2A patent/CN105936389A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2236439A1 (en) * | 2009-04-03 | 2010-10-06 | Etablissements MAGYAR | Section made of composite material for a tank truck |
| CN103009716A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Carbon fiber composite, preparation method thereof and tank |
| CN103396139A (en) * | 2013-08-05 | 2013-11-20 | 东莞市凯鹏复合材料有限公司 | Manufacturing method of carbon/carbon crucible |
| CN104354436A (en) * | 2014-11-07 | 2015-02-18 | 湖北三江航天江北机械工程有限公司 | Manufacturing method of composite material shell wound by high-temperature-resistant fiber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2236635C2 (en) | Method and device for producing and storing liquefied natural gas | |
| US9458954B2 (en) | Double-wall pipe and production process | |
| Irani | Hydrogen storage: high-pressure gas containment | |
| WO2013083652A2 (en) | Pressure vessel for fuel applications | |
| US7867589B2 (en) | Hybrid cryogenic tank construction and method of manufacture therefor | |
| CN203833001U (en) | Composite material transport oil tank | |
| CN103383057B (en) | Manufacturing method of short carbon fiber doped reinforcing rib type high-pressure gas cylinder | |
| CN106833263A (en) | A kind of composite strengthens steel pipe and its manufacturing process | |
| CN105805432A (en) | Composite material reinforced steel pipeline and preparation method thereof | |
| CN206016387U (en) | The compound residual oil in tank of large-sized concrete low-temperature storage tank | |
| CN106586036A (en) | Launch vehicle composite storage tank with stiffening beams and processing method of storage tank | |
| CN101813227A (en) | Method for maintaining and reinforcing metallic tubular structure | |
| CN103753833B (en) | The adapter of fibrous composite pressure-bearing shell or Opening Reinforcement Method | |
| CN1286704C (en) | Frame carried FRP transport tank and producing method thereof | |
| US5194110A (en) | Method of preventing rupture of storage tanks | |
| CN109838682A (en) | A kind of 35MPa aluminium alloy inner container winds the compressed natural gas bottle of basalt fibre entirely | |
| CN104033724B (en) | Bamboo is wound around the preparation method of combined vertical storage tank | |
| CN105936389A (en) | Method for producing concentrated nitric acid storage tank by winding carbon fibers | |
| CN202208482U (en) | Oil storage tank with double-wall structure and inner anticorrosive layer | |
| CN106240502A (en) | A kind of automobile-used energy absorbing member of composite and processing method thereof | |
| CN103386764A (en) | Method for manufacturing super-huge type glass fiber reinforced plastic storage tank | |
| CN206494355U (en) | A kind of vertical glass two-compartment oil tank | |
| CN205708167U (en) | A kind of concentrated nitric acid tank for railway transportation | |
| CN205877175U (en) | Container is wrapped to whole multilayer of middle and high voltage refractory metal | |
| CN115091732A (en) | Method for manufacturing composite-formed hydrogen storage container for 99 MPa-level hydrogen filling station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161031 Address after: 132021 No. 9 East Zunyi Road, Longtan District, Jilin, Jilin Applicant after: JILIN MACHINERY MANUFACTURING BRANCH, CNPC NORTHEAST REFINING & CHEMICAL ENGINEERING CO., LTD. Applicant after: Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences Address before: 132021 No. 9 East Zunyi Road, Longtan District, Jilin, Jilin Applicant before: JILIN MACHINERY MANUFACTURING BRANCH, CNPC NORTHEAST REFINING & CHEMICAL ENGINEERING CO., LTD. |
|
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20190910 |
|
| AD01 | Patent right deemed abandoned |