CN202532085U - Wear-resisting device on catalyst pipeline - Google Patents
Wear-resisting device on catalyst pipeline Download PDFInfo
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- CN202532085U CN202532085U CN2012201110005U CN201220111000U CN202532085U CN 202532085 U CN202532085 U CN 202532085U CN 2012201110005 U CN2012201110005 U CN 2012201110005U CN 201220111000 U CN201220111000 U CN 201220111000U CN 202532085 U CN202532085 U CN 202532085U
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- wear
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- threeway
- catalyst
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Abstract
The utility model discloses a wear-resisting device on a catalyst pipeline, which is applied on a catalyst delivery pipeline of a petrochemical catalytic cracking device, wherein a flange blind plate is fixed on a port of a tee, a reducer pipe joint is fixed on the other one port of the tee, and a reducer pipe joint is fixed on a vertical port of the tee. A wear-resisting layer is paved on the inner wall of the reducer pipe joint, and a wear-resisting layer is paved on the inner wall of the tee. The wear-resisting device on the catalyst pipeline has the effects that the diameter of the wear-resisting device on the catalyst pipeline is bigger than the diameter of a pipeline, a spure spreader and the wear-resisting layer are arranged in the wear-resisting device on the catalyst pipeline, and the wear-resisting device on the catalyst pipeline can buffer and also can completely prevent a metal part of the tee from being abraded by catalyst at the same time. When the pipeline is acted by external loads to contract and expand, all strength can be transferred to the pipeline, the wear-resisting device can not generate deformation, and the wear-resisting layer also can not easily craze and fall. The service life of the wear-resisting device on the catalyst pipeline is equal or greater than 10 years.
Description
Technical field
The utility model relates to the petrochemical technology field, and particularly elbow and the threeway wear proofing device on the catalyst transport pipeline of catalytic cracking unit is the wearable device on a kind of catalyst line.
Background technique
In refinery catalytic cracking unit's production process, carry catalyzer with pipeline usually.Because catalyzer is a powdery medium; Hardness is high, flow velocity is fast; When the elbow of catalyzer process pipeline, the big generation friction of resistance that the threeway position receives; Long-time running strengthens catalyzer to any dynamics of washing away of elbow on the transfer line and threeway, causes the elbow or the threeway perforation influence production of transfer line, has increased maintenance man's labor intensity and maintenance cost.Increase the service life for improving wear resistance, at present, use be Stainless Steel Elbow or ceramic-lined composite elbow.
1, the shortcoming of Stainless Steel Elbow: the wear resistance of Stainless Steel Elbow is more much higher than 20# steel elbow; But cost is very high; As buy a diameter 108mm, the Stainless Steel Elbow of wall thickness 10mm, radius of arc 1200mm needs about 1800 yuan approximately, about 8 months of working life.If operation just needed to use 15 elbows in 10 years, add up to 27000 yuan of elbow Master Costs, do not comprise the cost of labor of repair and replacement.
2, the shortcoming of ceramic-lined composite elbow: the wear resistance of ceramic-lined composite elbow is good, but brittleness of ceramics is very high, and especially heat-stable ceramic plasticity, impact toughness are very poor, and a blow is just broken.And catalyst line carries a series of extraneous load such as bigger vibration, contraction, expansion in running; And the boreal climate day and night temperature is very big, and pipeline shrinks, the expansion frequency is very high, and range of expansion is bigger; Cause elbow constantly to produce resiliently deformable, make ceramic-lined cracking and come off.Catalyst stream will produce eddy current through the hole that comes off, and causes metal pipe-wall to be bored a hole fast.And ceramic-lined composite elbow can not make at the scene, must outsourcing, and cost is higher, as buys a diameter 108mm, and the ceramic-lined composite elbow of wall thickness 10mm, radius of arc 1200mm needs about 1100 yuan approximately.
The model utility content
The purpose of the utility model is: the wearable device on a kind of catalyst line is provided, improves catalyzer through the pipeline wear resistance, increase the service life, guarantee the pipeline smooth running, reduce cost.
The technological scheme that the utility model adopts is: the wearable device on the catalyst line, mainly form by reduction nipple, bolt, flange, threeway, wearing layer, blank flange; Three ports in threeway have flange respectively, it is characterized in that: straight-through port of threeway is through blank flange of bolt; Another straight-through port of threeway (import) is through reduction nipple of bolt; The vertical port (outlet) of threeway is through reduction nipple of bolt; Inwall at two reduction nipples is equipped with wearing layer, is equipped with wearing layer at the inwall of threeway.After swiftly flowing catalyzer got into threeway, because circulation area strengthens, flow velocity reduced, and has reduced the threeway inwall is laid washing away of wearing layer, has improved working life.
In order further to improve the working life of the wearable device on the catalyst line, in threeway straight-through port (import), be welded with supporting frame, at the branch flow cone of the cone shape of center fixation of supporting frame, the direction at tip of dividing flow cone is towards entrance point.Catalyzer gets into through dividing flow cone, scatter and around the threeway inwall, washes away, and reduces flow velocity on the one hand, reduces washing away a place on the other hand.Thereby prevent the erosive wear of catalyzer, guarantee the steady long-time running of pipeline.
Catalyzer gets into through reduction nipple; At first, circulation area reduces flow velocity because of enlarging; And then through dividing a flow cone, make the catalyzer of entering scatter to around wall wash away, reduce certain any dynamics of washing away; Because the threeway inwall is provided with wearing layer and has avoided the wearing and tearing to metallic walls fully, the catalyzer that obtains at last cushioning is discharged from outlet end.
The beneficial effect of the utility model: the wearable device on the utility model catalyst line, its diameter be greater than pipeline diameter, in be provided with branch flow cone, wearing layer, in buffering, avoid the wearing and tearing of catalyzer again fully to the threeway metalwork.When pipeline received extraneous load contraction, expansion, strong meeting was transferred on the pipeline, and wearable device can not produce distortion, and wearing layer can not ftracture easily yet and come off.Be no less than 10 years working life.
Description of drawings
Fig. 1 is the wearable device structural profile schematic representation on the utility model catalyst line.
Among the figure, the 1-reduction nipple, the 2-bolt, the 3-flange, the 4-supporting frame, 5-divides flow cone, 6-threeway, 7-wearing layer, 8-blank flange.
Embodiment
Embodiment 1: the wearable device with on the catalyst line is an example, and the utility model is done further explain.With the DN100 pipeline is example
Consult Fig. 1.Wearable device on the utility model catalyst line mainly is made up of reduction nipple 1, bolt 2, flange 3, supporting frame 4, branch flow cone 5, threeway 6, wearing layer 7, blank flange 8.Three ports in threeway 6 have flange 3 respectively, it is characterized in that: 6 one straight-through ports of threeway are through bolt 2 fixing blank flanges 8; Threeway 6 another straight-through ports (import) are through bolt 2 fixing reduction nipples 1; The vertical port (outlet) of threeway 6 is through bolt 2 fixing reduction nipples 1; Inwall at two reduction nipples 1 is equipped with wearing layer 7, is equipped with wearing layer 7 at the inwall of threeway 6.In threeway 6 straight-through ports (import), be welded with supporting frame 4, at the branch flow cone 5 of the cone shape of center fixation of supporting frame 4, the direction at tip of dividing flow cone 5 is towards entrance point.
Reduction nipple 1 model is DN100 * DN200 * 10mm, is the changeover portion that wearable device is connected with pipeline, and it can tentatively reduce flow velocity and reduce wearing and tearing; Bolt 2 is M24; Flange 3 specifications are DN200-PN16, are the connected elements of reduction nipple 1 and threeway 6, help laying wearing layer 7, when maintenance, can open the inspection inner case, also are convenient to maintenance.Passage is arranged, the import center that can will divide flow cone 5 to be fixed on threeway 6 around the supporting frame 4 thickness 20mm steel plates.Dividing flow cone 5 be end diameter 70mm, highly be the solid conical of 100mm, is to utilize supporting frame 4 to be installed in threeway 6 import centers, the catalyzer of entering is scatter wash away to wall all around, reduces catalyzer again to certain any wearing and tearing.Threeway 6 is the equal tee of DN200mm, and diameter had both made things convenient for the laying of wearing layer greater than pipeline diameter, helped to reduce the scouring force of catalyzer again.Wearing layer 7 thickness are the C2 level wear resistance lining of 20mm, are to utilize the erietiform rivet to be fixed on the inwall of reduction nipple 1 and threeway 6 firmly, can not come off because of loosening, have avoided the wearing and tearing of catalyzer to metal fully.Blank flange 8 specifications are DN200-PN16, are to be used for sealing threeway 6, when maintenance, can open and carry out inspection and maintenance.Goat's horn rivet height is 20mm, is the solid inwall in reduction nipple 1 and threeway 6 of point, fixes wearing layer.
Wearable device on the catalyst line of a diameter 108mm only needs 800～1000 yuan expense.Compare with Stainless Steel Elbow, not only prolonged working life, also practiced thrift operating cost, compare with ceramic-lined composite elbow and improved intensity and prolonged working life.
Claims (2)
1. the wearable device on the catalyst line mainly is made up of reduction nipple (1), bolt (2), flange (3), threeway (6), wearing layer (7), blank flange (8); Three ports in threeway (6) have flange (3) respectively, it is characterized in that: (6) straight-through ports of threeway are through the fixing blank flange (8) of bolt (2); Another straight-through port of threeway (6) is through the fixing reduction nipple (1) of bolt (2); The vertical port of threeway (6) is through the fixing reduction nipple (1) of bolt (2); Inwall at two reduction nipples (1) is equipped with wearing layer (7), is equipped with wearing layer (7) at the inwall of threeway (6).
2. the wearable device on the catalyst line according to claim 1; It is characterized in that: in threeway (6) straight-through port, be welded with supporting frame (4); At the branch flow cone (5) of the cone shape of center fixation of supporting frame (4), the direction at tip of dividing flow cone (5) is towards entrance point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201110005U CN202532085U (en) | 2012-03-22 | 2012-03-22 | Wear-resisting device on catalyst pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201110005U CN202532085U (en) | 2012-03-22 | 2012-03-22 | Wear-resisting device on catalyst pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532085U true CN202532085U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201110005U Expired - Fee Related CN202532085U (en) | 2012-03-22 | 2012-03-22 | Wear-resisting device on catalyst pipeline |
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| Country | Link |
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| CN (1) | CN202532085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620063A (en) * | 2021-07-16 | 2021-11-09 | 秦皇岛秦热发电有限责任公司 | Wear-resistant elbow for pneumatically conveying powder materials and using method thereof |
-
2012
- 2012-03-22 CN CN2012201110005U patent/CN202532085U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620063A (en) * | 2021-07-16 | 2021-11-09 | 秦皇岛秦热发电有限责任公司 | Wear-resistant elbow for pneumatically conveying powder materials and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210322 |