CN114371538A - Radiation-proof and corrosion-resistant HDPE silicon core pipe and processing method thereof - Google Patents
Radiation-proof and corrosion-resistant HDPE silicon core pipe and processing method thereof Download PDFInfo
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- CN114371538A CN114371538A CN202111677603.1A CN202111677603A CN114371538A CN 114371538 A CN114371538 A CN 114371538A CN 202111677603 A CN202111677603 A CN 202111677603A CN 114371538 A CN114371538 A CN 114371538A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4442—Cap coupling boxes
- G02B6/4444—Seals
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4469—Security aspects
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
- G02B6/44775—Cable seals e.g. feed-through
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
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Abstract
The invention discloses a radiation-proof and corrosion-resistant HDPE silicon core pipe and a processing method thereof, and the radiation-proof and corrosion-resistant HDPE silicon core pipe comprises two HDPE polyethylene sleeves, two silicon core pipe layers and a hollow cylindrical connecting piece, wherein the two HDPE polyethylene sleeves and the two silicon core pipe layers are respectively positioned in the two HDPE polyethylene sleeves, one ends of the two HDPE polyethylene sleeves, which are close to each other, are respectively positioned in the hollow cylindrical connecting piece, and two ends of the hollow cylindrical connecting piece are respectively communicated with wrapping rings matched with the two HDPE polyethylene sleeves. According to the radiation-proof corrosion-resistant HDPE silicon core pipe and the processing method thereof, the air is conveniently filled into the hollow expansion sealing ring through the inflation and lamination sealing mechanism, so that the hollow expansion sealing ring can be tightly laminated on the surface of the HDPE polyethylene sleeve pipe after being expanded, the sealing effect can be greatly improved, and external moisture is effectively prevented from entering the inside of the hollow cylindrical connecting piece.
Description
Technical Field
The invention relates to the technical field of silicon core pipe application, in particular to a radiation-proof and corrosion-resistant HDPE silicon core pipe and a processing method thereof.
Background
The silicon core pipe is a novel composite pipeline with the inner wall provided with the colloidal silica solid lubricant, has good sealing performance, chemical corrosion resistance and low engineering cost, and is widely applied to optical cable communication network systems of highways, railways and the like. The HDPE silicon core pipe is a novel composite pipeline with a silica gel solid lubricant on the inner wall, and is called a silicon pipe for short. The composite material is extruded and compounded by three plastic extruders synchronously, the main raw material is high-density polyethylene, and the core layer is solid lubricant silica gel with the lowest friction coefficient. The method is widely applied to optical cable communication network systems.
According to patent number CN112859265A a wear-resisting, it is corrosion-resistant, high resistance to compression HDPE silicon core pipe, including HDPE polyethylene sleeve pipe, silicon core pipe layer and hollow cylinder connecting piece, HDPE polyethylene sleeve pipe and silicon core pipe layer all are provided with two, two silicon core pipe layers are located the inside of two HDPE polyethylene sleeve pipes respectively, this wear-resisting, it is corrosion-resistant, high resistance to compression HDPE silicon core pipe, be convenient for cushion protection to the silicon core pipe layer, make the silicon core pipe layer have high resistance to compression, prevent that the silicon core pipe layer from taking place the damage, and then reduce the loss, setting through the wearing layer, further improve the wearability of HDPE polyethylene sleeve pipe, but this wear-resisting, it is corrosion-resistant, high resistance to compression HDPE silicon core pipe still exists following not enoughly:
(1) the sealing is realized by adopting the sealing ring, and after the hollow cylindrical connecting piece is installed, the sealing is not tight, so that moisture can easily enter the hollow cylindrical connecting piece, and a cable in a silicon core pipe layer can be damaged;
(2) HDPE polyethylene sleeve does not have the radiation protection function, and does not have the fire resistance, and the potential safety hazard is great when the conflagration breaing out, toughness is general, has lasted for a long time HDPE polyethylene sleeve and has easily taken place the phenomenon of ftractureing.
Therefore, the invention provides a radiation-proof and corrosion-resistant HDPE silicon core pipe and a processing method thereof, so as to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a radiation-proof and corrosion-resistant HDPE silicon core pipe and a processing method thereof, which solve the problem that sealing is realized by adopting a sealing ring, and after installation, the sealing is not tight, so that moisture can easily enter the inside of a hollow cylindrical connecting piece, and further a cable inside the silicon core pipe layer can be damaged; HDPE polyethylene sleeve does not have the radiation protection function, and does not have the fire resistance, and the potential safety hazard is great when the conflagration breaing out, toughness is general, has lasted for a long time HDPE polyethylene sleeve easily takes place the problem of fracture phenomenon.
In order to achieve the purpose, the invention is realized by the following technical scheme: a radiation-proof and corrosion-resistant HDPE silicon core pipe comprises HDPE polyethylene sleeves, a silicon core pipe layer and a hollow cylindrical connecting piece, wherein the number of the HDPE polyethylene sleeves and the silicon core pipe layer is two, the two silicon core pipe layers are respectively positioned inside the two HDPE polyethylene sleeves, one end, close to each other, of the two HDPE polyethylene sleeves is positioned inside the hollow cylindrical connecting piece, two ends of the hollow cylindrical connecting piece are respectively communicated with wrapping rings matched with the two HDPE polyethylene sleeves, the outer ends of the two wrapping rings are respectively fixed with hollow expansion sealing rings, the surfaces of the two hollow expansion sealing rings are respectively in contact with the surfaces of the two HDPE polyethylene sleeves, a sponge buffer sleeve is fixedly sleeved on the surface of the silicon core pipe layer, a buffer sleeve ring is fixedly arranged on the inner wall of the HDPE polyethylene sleeve through a buffer block, and the inner surface of the buffer sleeve is in contact with the outer surface of the sponge buffer sleeve, be provided with between hollow cylinder connecting piece and two hollow expansion seal circle and aerify laminating sealing mechanism, be provided with elasticity locking mechanism between hollow cylinder connecting piece and two HDPE polyethylene sleeve pipes.
Aerify laminating sealing mechanism is including fixing the superficial deposit inflator of hollow cylinder connecting piece, the inner wall slidable mounting who deposits the inflator has the piston that pushes away gas, the right side that pushes away gas piston is fixed with the pull pole, the right-hand member of pull pole is fixed with the drive block, the fixed surface of pull pole has the extension rod, the fixed surface of extension rod has metal laminating shell fragment, the one end of metal laminating shell fragment is fixed with embedding latch to one side, the positioning channel section with embedding latch looks adaptation to one side is seted up on the surface of depositing the inflator, the both sides on deposit inflator surface all communicate there is the gas-supply pipe, two the one end that the gas-supply pipe was kept away from each other communicates with the surface of adjacent hollow expansion seal circle respectively.
Preferably, elasticity locking mechanism is including seting up the ring channel on two HDPE polyethylene sleeve surfaces, the below on hollow cylinder connecting piece surface slides and runs through there is flexible post, the bottom mounting of flexible post has the drive ring, flexible post is fixed with the sealing ring with hollow cylinder connecting piece contact department, the top of flexible post is fixed with the flat board.
Preferably, the bottom of the flat plate is fixedly connected with the inner wall of the hollow cylindrical connecting piece through a strong spring, the top of the flat plate is fixedly provided with an inserted rod matched with the annular groove for use, and the inner wall of the hollow cylindrical connecting piece is fixedly provided with a stop lever.
Preferably, HDPE polyethylene sleeve includes the substrate layer, the top of substrate layer has the layer of protecting against radiation through the adhesive bonding, the top on the layer of protecting against radiation has corrosion-resistant layer through the adhesive bonding, corrosion-resistant layer's top has fire-retardant layer through the adhesive bonding, fire-retardant layer's top has the toughness layer through the adhesive bonding.
Preferably, the radiation protection layer comprises a scaly graphite powder layer and an acetylene carbon powder layer, and the bottom of the scaly graphite powder layer is fixedly connected with the top of the acetylene carbon powder layer.
Preferably, the corrosion-resistant layer comprises an allyl heptanoate layer and a polyamide resin layer, and the bottom of the allyl heptanoate layer is fixedly connected with the top of the polyamide resin layer.
Preferably, the flame-retardant layer comprises a vermiculite layer and a calcium silicate layer, and the bottom of the vermiculite layer is fixedly connected with the top of the calcium silicate layer.
Preferably, the toughness layer includes rock wool layer and carbon steel layer, and the top fixed connection on bottom and the carbon steel layer on rock wool layer.
The invention also discloses a processing method of the radiation-proof and corrosion-resistant HDPE silicon core pipe, which specifically comprises the following steps:
s1, spraying an acetylene carbon powder layer on the surface of the HDPE polyethylene sleeve, after the acetylene carbon powder layer is naturally dried, spraying a scaly graphite powder layer, and after the scaly graphite powder layer is naturally dried, spraying a calcium silicate layer;
and S2, after the calcium silicate coating layer is naturally dried, spraying a vermiculite layer, after the vermiculite layer is naturally dried, spraying a carbon steel layer, after the carbon steel layer is naturally dried, finally spraying a rock wool layer, and then waiting for the rock wool layer to be dried.
Advantageous effects
The invention provides a radiation-proof and corrosion-resistant HDPE silicon core pipe and a processing method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) the radiation-proof and corrosion-resistant HDPE silicon core pipe and the processing method thereof are characterized in that the inflation attaching sealing mechanism comprises an air storage cylinder fixed on the surface of the hollow cylindrical connecting piece, an air pushing piston is slidably mounted on the inner wall of the air storage cylinder, a pull rod is fixed on the right side of the air pushing piston, a driving block is fixed at the right end of the pull rod, an extension rod is fixed on the surface of the pull rod, a metal attaching elastic sheet is fixed on the surface of the extension rod, an obliquely-embedded latch is fixed at one end of the metal attaching elastic sheet, a positioning clamping groove matched with the obliquely-embedded latch is formed in the surface of the air storage cylinder, air conveying pipes are communicated with two sides of the surface of the air storage cylinder, one ends, far away from each other, of the two air conveying pipes are respectively communicated with the surfaces of the adjacent hollow expansion sealing rings, through the arrangement of the inflation attaching sealing mechanism, air can be conveniently filled into the hollow expansion sealing rings, so that the hollow expansion sealing rings can be closely attached to the surface of the HDPE polyethylene sleeve pipe, can greatly improve sealed effect, prevent effectively that outside moisture from getting into inside the hollow cylinder connecting piece.
(2) This radiation protection, corrosion-resistant HDPE silicon core pipe and processing method thereof through including the substrate layer at HDPE polyethylene sleeve, and the top on substrate layer bonds through the adhesive has the layer of protecting against radiation, and the top on the layer of protecting against radiation bonds through the adhesive has the corrosion resistant layer, through the setting on the layer of protecting against radiation for HDPE polyethylene sleeve has the function of protecting against radiation, through the setting on corrosion resistant layer, is convenient for improve the corrosion resisting property of HDPE polyethylene sleeve.
(3) This radiation protection, corrosion-resistant HDPE silicon core pipe and processing method thereof has fire-retardant layer through bonding at the top on corrosion-resistant layer through the adhesive, and the top on fire-retardant layer is passed through the adhesive and is bonded toughness layer, through the setting on fire-retardant layer for HDPE polyethylene sleeve has fire-retardant characteristic, and then effectively improves HDPE polyethylene sleeve safety in utilization, through the setting on toughness layer, is convenient for improve the toughness of HDPE polyethylene sleeve, effectively prevents HDPE polyethylene sleeve emergence fracture phenomenon.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic view showing the internal structure of the hollow cylindrical connecting member of the present invention;
FIG. 3 is a schematic view of the inflation fit sealing mechanism of the present invention;
FIG. 4 is a schematic view of the overall structure of a HDPE polyethylene casing of the present invention;
FIG. 5 is a schematic view of a radiation protective layer structure of the present invention;
FIG. 6 is a schematic view of a corrosion-resistant layer structure of the present invention;
FIG. 7 is a schematic view of a flame retardant layer structure of the present invention;
FIG. 8 is a schematic view of the structure of the ductile layer according to the present invention.
In the figure: 1-silicon core tube layer, 2-HDPE polyethylene sleeve, 21-substrate layer, 22-radiation protection layer, 221-scaly graphite powder layer, 222-acetylene carbon powder layer, 23-corrosion-resistant layer, 231-allyl heptanoate layer, 232-polyamide resin layer, 24-flame-retardant layer, 241-vermiculite layer, 242-calcium silicate layer, 25-toughness layer, 251-rock wool layer, 252-carbon steel layer, 3-hollow cylindrical connecting piece, 4-wrapping ring, 5-hollow expansion sealing ring, 6-sponge buffer sleeve, 7-buffer block, 8-buffer sleeve ring, 9-inflation joint sealing mechanism, 91-air storage cylinder, 92-air pushing piston, 93-drawing rod, 94-driving block, 95-extension rod, 96-metal joint elastic sheet, 97-inclined embedded latch, 98-positioning clamping groove, 99-gas pipe, 10-elastic locking mechanism, 101-annular groove, 102-telescopic column, 103-driving ring, 104-sealing ring, 105-flat plate, 106-strong spring, 107-inserted rod and 108-stop rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a radiation-proof corrosion-resistant HDPE silicon core pipe comprises HDPE polyethylene sleeves 2, silicon core pipe layers 1 and hollow cylindrical connecting pieces 3, wherein the number of the HDPE polyethylene sleeves 2 and the number of the silicon core pipe layers 1 are two, the two silicon core pipe layers 1 are respectively positioned inside the two HDPE polyethylene sleeves 2, one ends of the two HDPE polyethylene sleeves 2 close to each other are respectively positioned inside the hollow cylindrical connecting pieces 3, two ends of each hollow cylindrical connecting piece 3 are respectively communicated with wrapping rings 4 matched with the two HDPE polyethylene sleeves 2, hollow expansion sealing rings 5 are respectively fixed at the outer ends of the two wrapping rings 4, the hollow expansion sealing rings are designed to be hollow, the surfaces of the two hollow expansion sealing rings 5 can expand after being inflated, the surfaces of the two hollow expansion sealing rings 5 are respectively contacted with the surfaces of the two HDPE polyethylene sleeves 2, sponge buffer sleeves 6 are fixedly sleeved on the surfaces of the silicon core pipe layers 1, and buffer sleeve rings 8 are fixed on the inner walls of the HDPE polyethylene sleeves 2 through buffer blocks 7, for the rubber material, the internal surface of the buffer lantern ring 8 contacts with the outer surface of the sponge buffer sleeve 6, an inflation laminating sealing mechanism 9 is arranged between the hollow cylindrical connecting piece 3 and the two hollow expansion sealing rings 5, and an elastic locking mechanism 10 is arranged between the hollow cylindrical connecting piece 3 and the two HDPE polyethylene sleeves 2.
The inflation fit sealing mechanism 9 comprises an air storage cylinder 91 fixed on the surface of the hollow cylindrical connecting piece 3, an air pushing piston 92 is slidably arranged on the inner wall of the air storage cylinder 91, air can be pressed into the hollow expansion sealing ring 5 when the air storage cylinder 91 moves towards the interior, a drawing rod 93 is fixed on the right side of the air pushing piston 92, a driving block 94 is fixed on the right end of the drawing rod 93, an extension rod 95 is fixed on the surface of the drawing rod 93, a metal attaching elastic sheet 96 is fixed on the surface of the extension rod 95, the drawing rod has elasticity, so that the obliquely embedded latch 97 can be tightly attached to the positioning slot 98, and then fix a position pull pole 93, the one end of metal laminating shell fragment 96 is fixed with embedding latch 97 to one side, the surface of depositing a gas section of thick bamboo 91 offer with the positioning groove 98 of embedding latch 97 looks adaptation to one side, the both sides on depositing a gas section of thick bamboo 91 surface all communicate there is gas-supply pipe 99, the one end that two gas-supply pipes 99 kept away from each other communicates with the surface of adjacent hollow expansion seal ring 5 respectively.
In the embodiment of the invention, the elastic locking mechanism 10 comprises annular grooves 101 formed in the surfaces of two HDPE polyethylene sleeves 2, a telescopic column 102 penetrates through the lower part of the surface of the hollow cylindrical connecting piece 3 in a sliding manner, a driving ring 103 is fixed at the bottom end of the telescopic column 102, a sealing ring 104 is fixed at the contact part of the telescopic column 102 and the hollow cylindrical connecting piece 3, and a flat plate 105 is fixed at the top end of the telescopic column 102.
In the embodiment of the invention, the bottom of the flat plate 105 is fixedly connected with the inner wall of the hollow cylindrical connecting piece 3 through the strong spring 106, the top of the flat plate 105 is fixedly provided with the inserted rod 107 matched with the annular groove 101 for use, the inner wall of the hollow cylindrical connecting piece 3 is fixedly provided with the stop rod 108, and the two HDPE polyethylene sleeves 2 are conveniently positioned through the arrangement of the inserted rod 107 and the annular groove 101.
In the embodiment of the invention, the HDPE polyethylene sleeve 2 comprises a substrate layer 21, the top of the substrate layer 21 is bonded with a radiation-proof layer 22 through an adhesive, the top of the radiation-proof layer 22 is bonded with a corrosion-resistant layer 23 through an adhesive, the top of the corrosion-resistant layer 23 is bonded with a flame-retardant layer 24 through an adhesive, and the top of the flame-retardant layer 24 is bonded with a flexible layer 25 through an adhesive.
In the embodiment of the present invention, the radiation protection layer 22 includes the scale-shaped graphite powder layer 221 and the acetylene carbon powder layer 222, the bottom of the scale-shaped graphite powder layer 221 is fixedly connected with the top of the acetylene carbon powder layer 222, the scale-shaped graphite powder is natural crystalline graphite, is shaped like fish phosphorus, belongs to a hexagonal system, is in a layered structure, has good properties of high temperature resistance, electric conductivity, heat conductivity, lubrication, plasticity, acid and alkali resistance, and can be used as a radiation protection coating, and the acetylene carbon powder can be used as a radiation protection coating.
In the embodiment of the invention, the corrosion-resistant layer 23 comprises an allyl heptanoate layer 231 and a polyamide resin layer 232, the bottom of the allyl heptanoate layer 231 is fixedly connected with the top of the polyamide resin layer 232, allyl heptanoate is liquid at normal temperature and is a common material of an anticorrosive coating, and the polyamide resin has good chemical resistance and can resist acid and alkali, vegetable oil, mineral oil and the like.
In the embodiment of the invention, the flame-retardant layer 24 comprises a vermiculite layer 241 and a calcium silicate layer 242, the bottom of the vermiculite layer 241 is fixedly connected with the top of the calcium silicate layer 242, vermiculite is an aluminosilicate mineral containing iron and magnesium, has a layered structure, crystal water is arranged between layers, the flame-retardant property is strong, the sound absorption and sound insulation properties are good, and the vermiculite is nontoxic and tasteless and is an important doping material of the fireproof coating, calcium silicate is formed by calcining and melting calcium oxide and silicon dioxide at high temperature and is mainly used as a building material, a heat-insulating material, a fire-retardant material, an extender pigment and a carrier of the coating.
In the embodiment of the invention, the flexible layer 25 comprises a rock wool layer 251 and a carbon steel layer 252, the bottom of the rock wool layer 251 is fixedly connected with the top of the carbon steel layer 252, the carbon fiber is a high-strength high-modulus fiber with carbon content of more than 90% and is commonly used as a corrosion-resistant coating, copper oxide is a black oxide of copper, is slightly amphoteric, slightly hygroscopic, insoluble in water and ethanol, soluble in acid, ammonium chloride and potassium cyanide solution, slowly soluble in ammonia solution, capable of reacting with strong base and commonly used as a corrosion-resistant coating.
The invention also discloses a processing method of the radiation-proof and corrosion-resistant HDPE silicon core pipe, which specifically comprises the following steps:
s1, spraying an acetylene carbon powder layer 222 on the surface of the HDPE (high-density polyethylene) sleeve 2, after the acetylene carbon powder layer 222 is naturally dried, spraying a scaly graphite powder layer 221, and after the scaly graphite powder layer 221 is naturally dried, spraying a calcium silicate layer 242;
s2, after the calcium silicate coating layer 242 is naturally air-dried, spraying a vermiculite layer 241, after the vermiculite layer 241 is naturally air-dried, spraying a carbon steel layer 252, after the carbon steel layer 252 is naturally air-dried, finally spraying a rock wool layer 251, and then waiting for the rock wool layer 251 to be dried.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a radiation protection, corrosion-resistant HDPE silicon core pipe, includes HDPE polyethylene sleeve (2), silicon core pipe layer (1) and hollow cylinder connecting piece (3), HDPE polyethylene sleeve (2) and silicon core pipe layer (1) all are provided with two, two silicon core pipe layer (1) is located the inside of two HDPE polyethylene sleeve (2) respectively, two the one end that HDPE polyethylene sleeve (2) are close to each other all is located the inside of hollow cylinder connecting piece (3), its characterized in that: two ends of the hollow cylindrical connecting piece (3) are respectively communicated with wrapping rings (4) matched with the two HDPE polyethylene sleeves (2), the outer ends of the two wrapping rings (4) are respectively fixed with hollow expansion sealing rings (5), the surfaces of the two hollow expansion sealing rings (5) are respectively contacted with the surfaces of the two HDPE polyethylene sleeves (2), a sponge buffer sleeve (6) is sleeved and fixed on the surface of the silicon pipe layer (1), a buffer sleeve ring (8) is fixed on the inner wall of the HDPE polyethylene sleeve (2) through a buffer block (7), the inner surface of the buffer lantern ring (8) is contacted with the outer surface of the sponge buffer sleeve (6), an inflation joint sealing mechanism (9) is arranged between the hollow cylindrical connecting piece (3) and the two hollow expansion sealing rings (5), an elastic locking mechanism (10) is arranged between the hollow cylindrical connecting piece (3) and the two HDPE polyethylene sleeves (2);
the inflation fit sealing mechanism (9) comprises an air storage cylinder (91) fixed on the surface of the hollow cylindrical connecting piece (3), an air pushing piston (92) is slidably arranged on the inner wall of the air storage cylinder (91), a drawing rod (93) is fixed on the right side of the air pushing piston (92), a driving block (94) is fixed at the right end of the drawing rod (93), an extension rod (95) is fixed on the surface of the drawing rod (93), a metal attaching elastic sheet (96) is fixed on the surface of the extension rod (95), one end of the metal attaching elastic sheet (96) is fixed with an inclined embedded latch (97), the surface of the air storage cylinder (91) is provided with a positioning clamping groove (98) matched with the inclined embedded latch (97), the two sides of the surface of the air storage cylinder (91) are communicated with air conveying pipes (99), and one ends, far away from each other, of the two air conveying pipes (99) are respectively communicated with the surfaces of the adjacent hollow expansion sealing rings (5).
2. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 1, wherein: elasticity locking mechanism (10) are including offering ring channel (101) on two HDPE polyethylene sleeve (2) surfaces, the below on hollow cylinder connecting piece (3) surface slides and runs through flexible post (102), the bottom mounting of flexible post (102) has drive ring (103), flexible post (102) and hollow cylinder connecting piece (3) contact department are fixed with sealing ring (104), the top of flexible post (102) is fixed with flat board (105).
3. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 2, wherein: the bottom of flat board (105) is through powerful spring (106) and the inner wall fixed connection of hollow cylinder connecting piece (3), the top of flat board (105) is fixed with inserted bar (107) that use with ring channel (101) cooperation, the inner wall of hollow cylinder connecting piece (3) is fixed with pin (108).
4. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 1, wherein: HDPE polyethylene sleeve (2) include substrate layer (21), the top of substrate layer (21) is bonded through the adhesive has radiation protection layer (22), the top on radiation protection layer (22) is bonded through the adhesive has corrosion-resistant layer (23), the top on corrosion-resistant layer (23) is bonded through the adhesive has fire-retardant layer (24), the top on fire-retardant layer (24) is bonded through the adhesive has toughness layer (25).
5. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 4, wherein: the radiation protection layer (22) comprises a scale-shaped graphite powder layer (221) and an acetylene carbon powder layer (222), and the bottom of the scale-shaped graphite powder layer (221) is fixedly connected with the top of the acetylene carbon powder layer (222).
6. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 4, wherein: the corrosion-resistant layer (23) comprises an allyl heptanoate layer (231) and a polyamide resin layer (232), and the bottom of the allyl heptanoate layer (231) is fixedly connected with the top of the polyamide resin layer (232).
7. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 4, wherein: the flame-retardant layer (24) comprises a vermiculite layer (241) and a calcium silicate layer (242), and the bottom of the vermiculite layer (241) is fixedly connected with the top of the calcium silicate layer (242).
8. The radiation-proof corrosion-resistant HDPE silicon core pipe as recited in claim 4, wherein: the flexible layer (25) comprises a rock wool layer (251) and a carbon steel layer (252), and the bottom of the rock wool layer (251) is fixedly connected with the top of the carbon steel layer (252).
9. A radiation protection, corrosion resistant HDPE silicon core tube as claimed in any one of claims 1 to 8 wherein: the processing method specifically comprises the following steps:
s1, spraying an acetylene carbon powder layer (222) on the surface of the HDPE (high-density polyethylene) sleeve (2), after the acetylene carbon powder layer (222) is naturally dried, spraying a scaly graphite powder layer (221), and after the scaly graphite powder layer (221) is naturally dried, spraying a calcium silicate layer (242);
s2, after the calcium silicate coating layer (242) is naturally dried, spraying a vermiculite layer (241), after the vermiculite layer (241) is naturally dried, spraying a carbon steel layer (252), after the carbon steel layer (252) is naturally dried, finally spraying a rock wool layer (251), and then, waiting for the rock wool layer (251) to be dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677603.1A CN114371538A (en) | 2021-12-31 | 2021-12-31 | Radiation-proof and corrosion-resistant HDPE silicon core pipe and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677603.1A CN114371538A (en) | 2021-12-31 | 2021-12-31 | Radiation-proof and corrosion-resistant HDPE silicon core pipe and processing method thereof |
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| CN114371538A true CN114371538A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111677603.1A Withdrawn CN114371538A (en) | 2021-12-31 | 2021-12-31 | Radiation-proof and corrosion-resistant HDPE silicon core pipe and processing method thereof |
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| Country | Link |
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| CN (1) | CN114371538A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114944627A (en) * | 2022-05-27 | 2022-08-26 | 东台市海通金属制品有限公司 | Single-core tube with sealing structure and machining method thereof |
-
2021
- 2021-12-31 CN CN202111677603.1A patent/CN114371538A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114944627A (en) * | 2022-05-27 | 2022-08-26 | 东台市海通金属制品有限公司 | Single-core tube with sealing structure and machining method thereof |
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Application publication date: 20220419 |