A kind of socket joint type high abrasion is carried straight tube
Technical field:
The utility model relates to a kind of conveying straight tube structure for delivery of fluid state material, particularly a kind of socket joint typeHigh abrasion is carried straight tube.
Background technology:
Abrasion-proof pipe is carried and has been spreaded all over the industries such as electric power, metallurgy, coal, oil, chemical industry, building materials, machinery, works as wear-resistant pipeWhile carrying the large material of grindability in road (as lime-ash, coal dust, tantalite power etc.), all there is asking of an abrasion-proof pipe quick abrasionTopic, particularly bent wear is faster, in the time carrying gas, the liquid or solid with strong corrosion in abrasion-proof pipe, exists resistance toGrind the problem that pipeline is corroded and destroy very soon. In the time that conveying in abrasion-proof pipe has the material of higher temperature, exist useThe problem that heat resisting pipe price is very expensive; And abrasion resistant composite pipeline is widely used in filling in mine material, the tantalite power of serious wearTransport with mine tailing, the abrasion resistant composite pipelines such as coal fired thermal power plant powder feeding, slagging-off, defeated ash are also most suitable.
Present domestic conveying straight tube is mainly following several: 1. general material, single material, as adopt common welded tube rawThe straight tube producing, just can complete through simple welding production, although have any intensity and toughness, because of its wearabilityPoor, be 5000-8000 cube of left and right service life, change often, thereby affected operating efficiency, increased process cost,Now substantially superseded; 2. adopt seamless steel steel pipe or No. 45 welded tubes through inwall quenching heat treatment, to increase its wearabilityCan, now quenching pipe can improve ten thousand to 2.5 ten thousand cubes of left and right of delivering concrete amount to 2, and to have obtained market wide with economic and practicalGeneral utilization; 3. quote two-layer compound straight tube, inner tube material is through hardening steel alloy, and outer tube material is low-carbon alloy steel, and two ends haveAdpting flange, is inlaid with wear-resistant sleeve in flange, shelf life is greatly about 40,000 to 4.5 ten thousand cubes of left and right, but this kind of two-layer compound is straightThere is following defect in pipe: the composite force of outer tube and inner tube a little less than, in pumping procedure, occur that after plugging, operating personnel generally takeDischarge end is taken apart, carry out comb by pump concrete or water, but inner tube is very easily rushed out in this process.
At present, in the disclosed patent CN105003758A of Chinese patent literature, disclose the automobile-used height of a kind of concrete pump and closedGold is wear-resisting
Two-layer compound straight tube, it comprises outer tube, inner tube and vibration-absorptive material, described inner tube is urged in outer tube, described outer tubeAnd between inner tube, be provided with vibration-absorptive material, the material that described vibration-absorptive material adopts is one of EVA, PE, CR, PU foam, PORONKind or several; This composite straight pipe than before concrete mixer straight tube wearability increase, if but consider actual manufactureThe impact of condition (longer inner tube be difficult to produce in the time of casting and cost higher), simultaneously can be because inner tube is longer, outside being urged toIn pipe time, also may cause the damage of inner tube even to damage; Also need to consider that vibration-absorptive material bears feelings in high strength environmentCondition.
At present, in the disclosed patent CN202302357U of Chinese patent literature, a kind of wear-resisting ceramic composite straight pipe is disclosed,Comprise the body from inside to outside being formed by wear-resistant ceramic layer, glue bond layer and metallic matrix layer, wear-resistant ceramic layer and metallic matrixBetween layer, connect by glue bond layer, it is characterized in that: the head and the tail two ends of metallic matrix layer do not have wear-resistant ceramic layer to cover; This is straightPipe exist equally actual impact of creating conditions (longer inner tube when casting be difficult to produce and cost higher).
At present, in the disclosed patent CN202452011U of Chinese patent literature, a kind of straight tube and concrete conveyance are disclosedIf
Standby; This straight tube comprises composite straight pipe and is connected in the first flange and the second flange composite straight pipe of the composite straight pipe mouth of pipeComprise outer tube and inner tube; The first flange has been embedded in the first wear-resistant sleeve, and the second flange has been embedded in the second wear-resistant sleeve; The second flangeInner side be provided with a recess, the inner side of the second wear-resistant sleeve is provided with a boss that can match with recess, and composite straight pipeEnd compresses this boss, and boss is fixed in recess; Though propose in this straight tube to prevent the de-of anti-wearing liner by mechanical interlockedFall and inner tube is gone out, but owing between outer tube and inner tube being directly contact and without any vibration-absorptive material, meeting in high strength environmentThere is both mutual impacts, pipe is caused to damage.
Utility model content:
The purpose of this utility model is the problem in order to overcome above-mentioned existence, by filling out between the double-deck straight tube at charging aperture placeFill damping, close material, the friction reducing between two-layer straight tube reaches the object that reduces costs, strengthens charging aperture place wearability,Provide a kind of socket joint type high abrasion to carry straight tube.
The utility model is to adopt following technical scheme to realize its utility model object: a kind of socket joint type high abrasion is carriedStraight tube, it is made up of double-layer wear-resistant pipe 1, wear-resisting tube connector 2 and two wear-resisting adpting flanges 3, and wear-resisting tube connector 2 is arranged on bilayerOne end of wear-resistant pipe 1, two wear-resisting adpting flanges 3 are arranged on respectively one of the other end of double-layer wear-resistant pipe 1 and wear-resisting tube connector 2End; Wherein double-layer wear-resistant pipe 1 is made up of protection outer tube 1-1, high abrasion inner tube 1-2 and damping packed layer 1-3; Described protection outer tube1-1 is seamless steel pipe; Described high abrasion inner tube 1-2 and 2 sockets of wear-resisting tube connector form carries straight tube wearing layer; High abrasion inner tube1-2 is arranged on protection outer tube 1-1 inside, and wear-resisting adpting flange 3 designs in one end of double-layer wear-resistant pipe 1 and wear-resisting tube connector 2 logicalCross welding and encapsulate reinforcings, damping packed layer 1-3 is for protecting after outer tube 1-1 and high abrasion inner tube 1-2 installation shape between the twoThe folder dead level becoming; Protection outer tube 1-1 and wear-resisting tube connector 2, by welded and installed, are wherein protected outer tube 1-1 and wear-resisting tube connector 2Semidiameter is more than or equal to zero.
The utility model for ensure wear-resisting straight tube charging aperture place keep high-wearing feature, and at wear-resisting straight tube at discharging openingPlace maintains the function of certain wearability, is provided with high abrasion inner tube 1-2 and wear-resisting tube connector 2; High abrasion inner tube 1-2 and wear-resisting companyTake over 2 sockets and form conveying straight tube wearing layer; On wear-resisting tube connector 2, be provided with and connect shrinkage pool 2-1; High abrasion inner tube 1-2 and resistance toMill tube connector 2 one end by high abrasion inner tube 1-2 with is connected shrinkage pool 2-1 cooperation installation.
The utility model carries straight tube pipe to be convenient to and the smooth and easy function being connected of other parts in order to realize, and is provided with wear-resisting connectionFlange 3; Wear-resisting adpting flange 3 is made up of flange 3-1 and wear-resistant sleeve 3-2; Wear-resistant sleeve 3-2 is arranged on flange 3-1 inside.
This conveying straight tube in the time being applied to concrete mixer, between damping packed layer 1-3 without in advance to damping packed layer 1-3Fill damping, close material, high abrasion inner tube 1-2 and wear-resisting tube connector 2 junction split extension shapes under pumping pressure effectBecome filling channel, make concrete carry out automatic filling by filling channel to damping packed layer 1-3; This conveying straight tube is applied in smeltingWhen the other industries such as gold, coal, should fill damping, close material to damping packed layer 1-3 in advance, damping, close material can be adoptedWith eps foam, compound expanded polyethylene foam (EPE), EPP etc.
Damping packed layer 1-3 forms after protection outer tube 1-1 and high abrasion inner tube 1-2 install between the two, maximum distanceFrom being controlled at 3mm; Preferably, damping packed layer 4 ultimate ranges are controlled at 1--2mm.
Owing to having adopted above technical scheme, the utility model has been realized its utility model object, this socket joint type preferablyHigh abrasion conveying straight tube is used for the industry conveying fluid state materials such as electric power, metallurgy, coal, oil, chemical industry, building materials, machineryCarry and connect straight tube structure, charging aperture place is designed to double-deck unique texture, is divided into protective layer and wearing layer, and protective layer protection is resistance toMill layer can not be subject to external force collision because of straight tube, impact to be out of shape even and damage in transportation, installation and use process, and in being subject toPortion's material impact power and cause distortion even to damage, wearing layer design socket join structure, had both increased the wear-resisting inner tube of entrance pointWearability, the port of export also possesses certain wearability, brings many facilities can to again the installation of wear-resisting inner tube, does not also affect straight simultaneouslyThe service life of pipe; The wear-resisting adpting flange of design is convenient to being connected and installed of bend pipe and other equipment, wear-resisting adpting flange insideWear-resistant sleeve ensured connector end wearability, extended the service life of wear-resisting adpting flange and improved its sealing;High abrasion inner tube can adopt the high-abrasive materials such as rich chromium cast iron, carbide alloy, bearing steel, macromolecular material, and wear-resisting tube connector adoptsWear-resisting alloy steel, protection outer tube adopts carbon structural steels; Damping packed layer uses wear-resisting curved first while being used for Concrete IndustryGuan Shi, concrete grout enters damping packed layer by filling channel, makes the closely knit filling channel of concrete grout and damping packed layer,Inner and outer pipes unity hardens into entirety, can not produce each other friction and consume, and in the time being applied in the other industry such as metallurgy, coal, answers thingFirst damping packed layer is filled to damping, close material, damping, close material can adopt eps foam, compound expanded polyethylene foam (EPE),EPP etc.; To between protection outer tube and wear-resisting tube connector, be designed with semidiameter, be convenient to determine the import and export end of wear-resisting straight tube; Like thisDesign has ensured that the high-wearing feature of material inlet end and the port of export also possess certain wearability, not only reduced cost but also do not affected itPracticality, long service life, price is low, and cost performance improves more than several times; Also easily realize and producing in enormous quantities, steady quality canLean on, security performance is high.
Brief description of the drawings:
Accompanying drawing 1 is the cross-sectional view of entirety of the present utility model.
Accompanying drawing 2 is scheme of installations of the utility model mark 1-1 and 2.
Accompanying drawing 3 is scheme of installations of the utility model mark 1-2 and 2.
Accompanying drawing 4 is cross-sectional view of the utility model mark 1-2.
Accompanying drawing 5 is cross-sectional view of the utility model mark 2.
Accompanying drawing 6 is cross-sectional view of the utility model embodiment 5.
Description of reference numerals is shown in description last page form.
Detailed description of the invention:
Below in conjunction with accompanying drawing, utility model content is described further:
Embodiment 1:
From utility model content, a kind of socket joint type high abrasion is carried straight tube, and it is by double-layer wear-resistant pipe 1, wear-resisting connectionPipe 2 and two wear-resisting adpting flanges 3 form, and wear-resisting tube connector 2 is arranged on one end of double-layer wear-resistant pipe 1, two wear-resisting connection methodsBlue 3 are arranged on respectively one end of the other end and the wear-resisting tube connector 2 of double-layer wear-resistant pipe 1; Wherein double-layer wear-resistant pipe 1 is by protection outer tube1-1, high abrasion inner tube 1-2 and damping packed layer 1-3 composition; Described protection outer tube 1-1 is seamless steel pipe; Described high abrasion inner tube1-2 and 2 sockets of wear-resisting tube connector form carries straight tube wearing layer; High abrasion inner tube 1-2 is arranged on protection outer tube 1-1 inside, resistance toMill adpting flange 3 designs in one end of double-layer wear-resistant pipe 1 and wear-resisting tube connector 2 and encapsulates reinforcing by welding, and damping is filledLayer 1-3 is the folder dead level forming between the two after protection outer tube 1-1 and high abrasion inner tube 1-2 install; Protection outer tube 1-1 and wear-resistingTube connector 2, by welded and installed, wherein protects outer tube 1-1 and wear-resisting tube connector 2 semidiameters to be more than or equal to zero.
Double-layer wear-resistant pipe 1 described in the utility model refers to: the building block of wear-resisting straight tube; It is by protecting outer tube 1-1, heightWear-resisting inner tube 1-2 and damping packed layer 1-3 composition; Its effect is the high-wearing feature that ensures entrance point; Its design attitude is as accompanying drawing1, in 6 shown in mark 1.
Protection outer tube 1-1 described in the utility model refers to: the outside protective pipe of double-layer wear-resistant pipe 1, and by carbon structure steelThe straight tube becoming; Its effect is that the wearing layer of protection bend pipe internal layer can not touched by external force in bend pipe transportation, installation and use processHit, impact deformed damaged, and be subject to materials inside impulsive force and cause distortion even damage; Its design attitude as accompanying drawing 1,2,In 6 shown in mark 1-1.
High abrasion inner tube 1-2 described in the utility model refers to: the interior wear-resistant pipe of double-layer wear-resistant pipe 1, and by rich chromium cast iron, hardThe high-abrasive materials such as matter alloy, bearing steel, macromolecular material are made; Its effect is the high-wearing feature that ensures entrance point; Its structure asShown in accompanying drawing 4, its design attitude is as shown in mark 1-2 in accompanying drawing 1,3,6.
Damping packed layer 1-3 described in the utility model refers to: protection outer tube 1-1 and high abrasion inner tube 1-2 install rear twoThe folder dead level forming between person; Its effect is to fill damping, close material; Its design attitude is as mark 1-3 institute in accompanying drawing 1,6Show.
Wear-resisting tube connector 2 described in the utility model refers to: the building block of wear-resisting straight tube; Which is provided with and connect shrinkage pool 2-1; Its effect is to ensure that the wear-resisting straight tube port of export also possesses certain wearability; Its structure as shown in Figure 5, its design attitude asIn accompanying drawing 1,3,6 shown in mark 2.
Wear-resisting adpting flange 3 described in the utility model refers to: the adpting flange that is arranged on protection outer tube 1 two ends; Its byFlange 3-1 and wear-resistant sleeve 3-2 composition; Its effect is a wearability that is connected and installed and ensures mouth end of being convenient to bend pipe; Its designPosition is as shown in mark 3 in accompanying drawing 1.
Embodiment 2:
From utility model content, the utility model keeps high-wearing feature in order to ensure wear-resisting straight tube at charging aperture place,And maintain the function of certain wearability at discharging opening place at wear-resisting straight tube, be provided with high abrasion inner tube 1-2 and wear-resisting tube connector 2;High abrasion inner tube 1-2 and 2 sockets of wear-resisting tube connector form carries straight tube wearing layer; On wear-resisting tube connector 2, be provided with connection shrinkage pool2-1; High abrasion inner tube 1-2 and wear-resisting tube connector 2 one end by high abrasion inner tube 1-2 be connected shrinkage pool 2-1 and coordinate and install.
Connection shrinkage pool 2-1 described in the utility model refers to: be located at the shrinkage pool on wear-resisting tube connector 2; Its effect is to be convenient toThe installation of high abrasion inner tube 1-2 and wear-resisting tube connector 2; Its design attitude is as shown in mark 2-1 in accompanying drawing 5.
Embodiment 3:
From utility model content, the utility model carries straight tube pipe to be convenient to be connected with other parts are smooth and easy in order to realizeFunction, be provided with wear-resisting adpting flange 3; Wear-resisting adpting flange 3 is made up of flange 3-1 and wear-resistant sleeve 3-2; Wear-resistant sleeve 3-2 installsIn flange 3-1 inside.
Flange 3-1 described in the utility model refers to: the building block of wear-resisting adpting flange 3; Its effect is to be convenient to bend pipeWith being connected and installed of other equipment; Its design attitude is as shown in mark 3-1 in accompanying drawing 1,6.
Wear-resistant sleeve 3-2 described in the utility model refers to: by rich chromium cast iron, low-chromium cast-iron, medium chrome cast iron, wear resistant cast iron,Steel alloy, bearing steel, pottery, carbide alloy, a kind of wear-resistant sleeve of making in the high-abrasive materials such as macromolecular material; Its effect isExtend the service life of wear-resisting adpting flange 3 and improve sealing; Its design attitude is as shown in mark 3-2 in accompanying drawing 1,6.
Embodiment 4:
From utility model content, this conveying straight tube in the time being applied to concrete mixer, between damping packed layer 1-3 withoutIn advance damping packed layer 1-3 is filled to damping, close material, under pumping pressure effect, high abrasion inner tube 1-2 is connected with wear-resistingManage 2 junction split extensions and form filling channel, concrete is filled out damping packed layer 1-3 automatically by filling channelFill; When this conveying straight tube is applied in the other industry such as metallurgy, coal, should fill damping, closely knit material to damping packed layer 1-3 in advanceMaterial, damping, close material can adopt eps foam, compound expanded polyethylene foam (EPE), EPP etc.
Damping packed layer 1-3 forms after protection outer tube 1-1 and high abrasion inner tube 1-2 install between the two, maximum distanceFrom being controlled at 3mm; Preferably, damping packed layer 4 ultimate ranges are controlled at 1--2mm.
Embodiment 5:
From accompanying drawing 6, the high abrasion that the utility model provides is carried straight tube, and it is by two double-layer wear-resistant pipes 1, wear-resisting companyAdapter 2 and two wear-resisting adpting flanges 3 form, and two double-layer wear-resistant pipes 1 are arranged on the two ends of wear-resisting tube connector 2, and two wear-resistingAdpting flange 3 is arranged on respectively two double-layer wear-resistant pipe 1 one end; Wherein double-layer wear-resistant pipe 1 is by protection outer tube 1-1, high abrasionPipe 1-2 and damping packed layer 1-3 composition; Described protection outer tube 1-1 is seamless steel pipe; Described high abrasion inner tube 1-2 and wear-resisting companyTake over 2 sockets and form conveying straight tube wearing layer; High abrasion inner tube 1-2 is arranged on protection outer tube 1-1 inside, wear-resisting adpting flange 3Design encapsulates reinforcing in one end of double-layer wear-resistant pipe 1 and wear-resisting tube connector 2 by welding, and damping packed layer 1-3 is protectionThe folder dead level that outer tube 1-1 and high abrasion inner tube 1-2 form after installing between the two; Protection outer tube 1-1 and wear-resisting tube connector 2 pass throughWelded and installed, wherein protects outer tube 1-1 and wear-resisting tube connector 2 semidiameters to be more than or equal to zero.
For the utility model, at least one wear-resisting tube connector 2 also wraps with the connected mode of at least one double-layer wear-resistant pipe 1Be contained in the utility model protection domain.
Reference numerals |
Mark title |
Reference numerals |
Mark title |
1 |
Double-layer wear-resistant pipe 1 |
2-1 |
Connect shrinkage pool 2-1 |
1-1 |
Protection outer tube 1-1 |
3 |
Wear-resisting adpting flange 3 |
1-2 |
High abrasion inner tube 1-2 |
3-1 |
Flange 3-1 |
1-3 |
Damping packed layer 1-3 |
3-2 |
Wear-resistant sleeve 3-2 |
2 |
Wear-resisting tube connector 2 |
|
|