CN204477599U - A kind of slight drag complex abrasion-proof elbow - Google Patents
A kind of slight drag complex abrasion-proof elbow Download PDFInfo
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- CN204477599U CN204477599U CN201520103812.9U CN201520103812U CN204477599U CN 204477599 U CN204477599 U CN 204477599U CN 201520103812 U CN201520103812 U CN 201520103812U CN 204477599 U CN204477599 U CN 204477599U
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Abstract
A kind of slight drag complex abrasion-proof elbow, it relates to a kind of complex abrasion-proof elbow, is specifically related to a kind of slight drag complex abrasion-proof elbow.The utility model is for solving existing complex abrasion-proof elbow, can not rounding off in elbow pipeline, the easy mismatch of elbow joint jointing, the resistance of Flow of Goods and Materials is increased, affect the flowing transmission of material, and the wear-resisting property of bend pipe is poor, the inner arc wall of bend pipe is identical with the thickness of outer arc wall, material usually washes away comparatively serious to the outer arc place wearing and tearing in elbow pipeline in transmitting procedure, thus affects the problem in whole bend pipe working life.Silicon carbide ceramics bend pipe described in the utility model saves head and the tail by multiple silicon carbide ceramics to connect all-in-one-piece processed successively, and the seam crossing between adjacent two silicon carbide ceramics joint adopts rebate to inlay connection.The utility model is used for conveyance conduit.
Description
Technical field
The utility model relates to a kind of complex abrasion-proof elbow, is specifically related to a kind of slight drag complex abrasion-proof elbow.
Background technique
Thermal power plant coal dust conveying, Ferrous Metallurgy sintering dust, the pipeline of granular material is got rid of by the enterprises such as cement plant for carrying, wherein elbow needs to do abrasionproof process, normally used high-abrasive material has bimetal wear resistant elbow, cast steel with high chromium wear-resistant bend, stone casting abrasion-proof elbow, hexsteel wear-resistant bend and liner alumina ceramic wear resistant elbow, use the elbow of different high-abrasive material, all there are some shortcomings: bimetal, cast steel with high chromium elbow pipeline weight is high, single elbow cost is higher, simultaneously high to the loading demands of suspension and support, wear no resistance, metal not resistance to chemical attack simultaneously, although interior diabase lining and hexsteel elbow cost low, wear-resisting property extreme difference, often cause pipeline leak powder, impact produce and environment.So these high-abrasive materials are replaced by liner aluminium oxide ceramics/steel compound and silicon carbide ceramics/steel complex abrasion-proof elbow elbow gradually, but aluminium oxide ceramics, manufacture ceramic plate but not bulk ceramics circle, adopt and paste, from encircleing fixing, that machinery is fixing mode small pieces of cloth used for patches becomes elbow abrasionproof liner, because ceramic plate is combined tightr with metalwork, pottery is with intermetallic because swell increment difference is large, and pottery easily comes off, and causes wearing layer to lose efficacy.Silicon carbide ceramics has the advantages such as hot strength is high, resistance to oxidation, wear-resisting property are good, and wear extent under each angle of attack is basically identical, can greatly improve the life-span of product.Silicon carbide ceramics/steel complex abrasion-proof elbow adopts inner lining of steel pipe silicon carbide ceramic usually, silicon carbide ceramic is angle straight tube, during elbow assembling, silicon carbide ceramics elbow joint adopts dried shrimp waist formula Connecting format, technique is simple, but can not rounding off in elbow pipeline, the easy mismatch of elbow joint jointing, the resistance of media flow is increased, affect the flowing transmission of medium, and the wear-resisting property of impact pottery, and material is in transmitting procedure, because the inner arc of silicon carbide ceramics bend pipe is identical with the thickness of outer arc, granular material washes away comparatively serious to the outer arc place wearing and tearing in elbow pipeline usually, thus affect the working life of whole silicon carbide ceramics bend pipe.
Model utility content
The utility model is for solving existing complex abrasion-proof elbow, can not rounding off in elbow pipeline, the easy mismatch of elbow joint jointing, the resistance of Flow of Goods and Materials is increased, affect the flowing transmission of material, and the wear-resisting property of bend pipe is poor, the inner arc wall of bend pipe is identical with the thickness of outer arc wall, material usually washes away comparatively serious to the outer arc place wearing and tearing in elbow pipeline in transmitting procedure, thus affects the problem in whole bend pipe working life, and then proposes a kind of slight drag complex abrasion-proof elbow.
The utility model takes technological scheme to be for solving the problem: a kind of slight drag complex abrasion-proof elbow described in the utility model comprises bend loss, two welding straight sections and two seal rings, the two ends of bend loss are welded straight section respectively by a seal ring be tightly connected with one, bend loss comprises silicon carbide ceramics bend pipe, metallic steel shell and multiple limited support, metallic steel outer cover suit is on silicon carbide ceramics bend pipe, and be provided with gap between the madial wall of the firm shell of metal and the outer side wall of silicon carbide ceramics bend pipe, uniformly in gap be provided with multiple limited support, and be provided with packing in gap, silicon carbide ceramics bend pipe saves head and the tail by multiple silicon carbide ceramics to connect all-in-one-piece processed successively, seam crossing between adjacent two silicon carbide ceramics joint adopts rebate to inlay connection.
The beneficial effects of the utility model are: the utility model structure is simple, metallic steel shell is butt welding or radio frequency heating push-making angle fitting, be sleeved on silicon carbide ceramics bend pipe, integral installation is made into curved shape, silicon carbide ceramics bend pipe saves head and the tail by multiple silicon carbide ceramics to connect all-in-one-piece processed successively, adjacent two silicon carbide ceramics joint seam crossing adopts rebate to inlay connection, and the joint that rebate is inlayed adopts silicon carbide wear-resistant daub bonding, mismatch phenomenon can not be produced, add the intensity of whole silicon carbide ceramics bend pipe simultaneously, rounding off is realized between adjacent two silicon carbide ceramics joint, thus decrease the resistance of Flow of Goods and Materials.
Gap is left between the outer side wall of metallic steel shell of the present utility model and silicon carbide ceramics bend pipe madial wall, uniformly between gap be provided with multiple limited support, and cast in gap high temperature resistant adhering resin and aggregate, limited support can use metal chock or timber wedge, ensure that the gap everywhere between silicon carbide ceramics bend pipe with metallic steel shell is consistent, and improve the intensity of wear-resistant bend entirety, improve the resistance to impact property of colliding with of wear-resistant bend, can prevent because swell increment difference causes inner lining with silicon carbide pottery cracked and come off simultaneously.
The thickness of Inner arc wall of the present utility model is less than the thickness of outer arc wall, the inner arc of silicon carbide ceramics bend pipe and outer arc in eccentric structure, avoid material causes whole bend pipe damage to the impact of silicon carbide bend pipe outer arc wall, thus improve the utilization ratio of silicon carbide ceramic abrasion-proof material, add the working life of wear-resistant bend.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and Fig. 2 is schematic cross-section of the present utility model, and Fig. 3 is silicon carbide ceramics of the present utility model joint seam schematic diagram.
Embodiment
Embodiment one: composition graphs 1, Fig. 2 and Fig. 3 illustrates present embodiment, described in present embodiment, a kind of slight drag complex abrasion-proof elbow comprises bend loss, two welding straight sections 1 and two seal rings 2, the two ends of bend loss are welded straight section 1 respectively by a seal ring 2 with one and are tightly connected, bend loss comprises silicon carbide ceramics bend pipe 3, metallic steel shell 4 and multiple limited support 5, metallic steel shell 4 is sleeved on silicon carbide ceramics bend pipe 3, and be provided with gap between the madial wall of the firm shell 4 of metal and the outer side wall of silicon carbide ceramics bend pipe 3, uniformly in gap be provided with multiple limited support 5, and be provided with packing 6 in gap, silicon carbide ceramics bend pipe 3 saves 3-1 head and the tail by multiple silicon carbide ceramics to connect all-in-one-piece processed successively, seam crossing between adjacent two silicon carbide ceramics joint 3-1 adopts rebate to inlay connection.
Embodiment two: composition graphs 1 and Fig. 3 illustrate present embodiment, the seam crossing that the rebate described in present embodiment between adjacent two silicon carbide ceramics joint 3-1 inlays connection adopts silicon carbide wear-resistant daub 7 to bond.Setting like this, makes silicon carbide ceramics save between 3-1 and can realize rounding off, and improve the bulk strength of silicon carbide ceramics bend pipe 3.Other composition and annexation identical with embodiment one.
Embodiment three: with Fig. 3, present embodiment is described as shown in Figure 1, Figure 2, described in present embodiment, packing 6 is high temperature resistant adhering resin and aggregate.Setting like this, increases the intensity of wear-resistant bend entirety, improves the resistance to impact property of colliding with of wear-resistant bend, can prevent because swell increment difference causes the cracked of silicon carbide ceramics bend pipe 3 and comes off simultaneously.Other composition and annexation identical with embodiment two.
Embodiment four: composition graphs 1 illustrates present embodiment, limited support 5 described in present embodiment is metal chock or timber wedge.Setting like this, ensure that the gap everywhere between silicon carbide ceramics bend pipe 3 outer side wall with metallic steel shell 4 madial wall is consistent, and improves the intensity of wear-resistant bend entirety.Other composition and annexation identical with embodiment one or two.
Embodiment five: composition graphs 1 illustrates present embodiment, described in present embodiment, the quantity of multiple limited support 5 is 10 ~ 20, and the distance between adjacent two limited supports 5 is 100 ~ 200mm.Setting like this, make the uniformity more of gap everywhere between silicon carbide ceramics bend pipe 3 outer side wall and metallic steel shell 4 madial wall, and along with the increase of limited support 5 quantity, the intensity of wear-resistant bend entirety is along with increase, but arrange too much limited support 5, because limited support 5 is set in advance on silicon carbide ceramics bend pipe 3, limited support 5 is wedge shape, so the quantity that limited support 5 is arranged is too much, the intensity of silicon carbide ceramics bend pipe 3 can be made to decline.Other composition and annexation identical with embodiment four.
Embodiment six: composition graphs 1 illustrates present embodiment, the thickness of the Inner arc wall of silicon carbide ceramics bend pipe 3 described in present embodiment is less than the thickness of outer arc wall.The inner arc of silicon carbide ceramics bend pipe 3 and outer arc in eccentric structure, avoid material causes whole bend pipe damage to the impact of silicon carbide bend pipe 3 outer arc wall, improve the utilization ratio of silicon carbide ceramics bend pipe 3, add the working life of wear-resistant bend.Other composition and annexation identical with embodiment one or two.
Working principle
The utility model operationally, uniform on the outer side wall of silicon carbide ceramics bend pipe 3 in advance multiple limited support 5 is set, metallic steel shell 4 is sleeved on silicon carbide ceramics bend pipe 3, and be cast with packing 6, ensure that the gap everywhere between silicon carbide ceramics bend pipe 3 outer side wall with metallic steel shell 4 madial wall is consistent, and improve the intensity of wear-resistant bend entirety, the two ends of silicon carbide ceramics bend pipe 3 are welded straight section 1 respectively and are tightly connected by a seal ring 2 with one, material has the welding straight section 1 of one end to enter in silicon carbide ceramics bend pipe 3, because silicon carbide ceramics bend pipe 3 saves 3-1 head and the tail by multiple silicon carbide ceramics to connect all-in-one-piece processed successively, seam crossing between adjacent two silicon carbide ceramics joint 3-1 adopts rebate to inlay connection, and adopt silicon carbide wear-resistant daub to bond, not only solve the problem of easily mismatch between silicon carbide ceramics joint 3-1, and add the intensity of whole wear-resistant bend, can rounding off between silicon carbide ceramics joint 3-1, reduce the resistance of Flow of Goods and Materials, and the thickness of the Inner arc wall of silicon carbide ceramics bend pipe 3 is less than the thickness of outer arc wall, avoid material causes whole bend pipe damage to the impact of silicon carbide bend pipe 3 outer arc wall, improve the utilization ratio of silicon carbide ceramics bend pipe 3, add the working life of wear-resistant bend.
Claims (6)
1. a slight drag complex abrasion-proof elbow, it is characterized in that: a kind of slight drag complex abrasion-proof elbow comprises bend loss, two welding straight section (1) and two seal rings (2), the two ends of bend loss are welded straight section (1) respectively by a seal ring (2) with one and are tightly connected, bend loss comprises silicon carbide ceramics bend pipe (3), metallic steel shell (4) and multiple limited support (5), metallic steel shell (4) is sleeved on silicon carbide ceramics bend pipe (3), and be provided with gap between the outer side wall of the madial wall of the firm shell of metal (4) and silicon carbide ceramics bend pipe (3), uniformly in gap be provided with multiple limited support (5), and be provided with packing (6) in gap, silicon carbide ceramics bend pipe (3) saves (3-1) head and the tail by multiple silicon carbide ceramics to connect all-in-one-piece processed successively, seam crossing between adjacent two silicon carbide ceramics joint (3-1) adopts rebate to inlay connection.
2. a kind of slight drag complex abrasion-proof elbow according to claim 1, is characterized in that: the seam crossing that the rebate between adjacent two silicon carbide ceramics joint (3-1) inlays connection adopts silicon carbide wear-resistant daub (7) bonding.
3. a kind of slight drag complex abrasion-proof elbow according to claim 2, is characterized in that: packing (6) is high temperature resistant adhering resin and aggregate.
4. a kind of slight drag complex abrasion-proof elbow according to claim 1 and 2, is characterized in that: limited support (5) is metal chock or timber wedge.
5. a kind of slight drag complex abrasion-proof elbow according to claim 4, is characterized in that: the quantity of multiple limited support (5) is 10 ~ 20, the distance between adjacent two limited supports (5) is 100 ~ 200mm.
6. a kind of slight drag complex abrasion-proof elbow according to claim 1 and 2, is characterized in that: the thickness of the Inner arc wall of silicon carbide ceramics bend pipe (3) is less than the thickness of outer arc wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520103812.9U CN204477599U (en) | 2015-02-12 | 2015-02-12 | A kind of slight drag complex abrasion-proof elbow |
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| CN201520103812.9U CN204477599U (en) | 2015-02-12 | 2015-02-12 | A kind of slight drag complex abrasion-proof elbow |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015802A (en) * | 2016-08-12 | 2016-10-12 | 北京国电富通科技发展有限责任公司 | Wear-resisting bend |
| CN107906301A (en) * | 2017-11-21 | 2018-04-13 | 贵州理工学院 | Eccentric wear-resisting combination filling pipe |
| CN107939441A (en) * | 2017-11-21 | 2018-04-20 | 贵州理工学院 | The wear-resisting combination filling pipe of ellipse |
-
2015
- 2015-02-12 CN CN201520103812.9U patent/CN204477599U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015802A (en) * | 2016-08-12 | 2016-10-12 | 北京国电富通科技发展有限责任公司 | Wear-resisting bend |
| CN107906301A (en) * | 2017-11-21 | 2018-04-13 | 贵州理工学院 | Eccentric wear-resisting combination filling pipe |
| CN107939441A (en) * | 2017-11-21 | 2018-04-20 | 贵州理工学院 | The wear-resisting combination filling pipe of ellipse |
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