CN209722042U - A kind of critical flow velocity application cylinder of catalytic cracking unit - Google Patents
A kind of critical flow velocity application cylinder of catalytic cracking unit Download PDFInfo
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- CN209722042U CN209722042U CN201920436900.9U CN201920436900U CN209722042U CN 209722042 U CN209722042 U CN 209722042U CN 201920436900 U CN201920436900 U CN 201920436900U CN 209722042 U CN209722042 U CN 209722042U
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Abstract
A kind of critical flow velocity application cylinder of catalytic cracking unit, it is related to a kind of critical flow velocity device of catalytic cracking, one end inner wall of inner cylinder (8) is fixedly connected with the outer rim of hemispherical end plate (2), round mouth (5) are equipped at the middle part of hemispherical end plate, inner cylinder is equipped with ring flange B(16 close to the outer edge surface of the other end), the internal projection ring (3) of outer cylinder (7) one end internal orifice setting is in the outer rim of described inner cylinder one end, ring flange A(14 is equipped in the other end outer rim of outer cylinder), ring pads plate (11) are equipped between the ring flange A of outer cylinder and the ring flange B interface of inner cylinder, ring flange A is connect by multiple bolts (13) and nut (15) with ring flange B；The utility model is easy to the hemispherical end plate of water conservancy diversion by the way that the plate of inner cylinder to be changed to, and has effectively taken precautions against angle deposit sundries problem；Ring pads plate is set between ring flange A and ring flange B, can not quickly remove problem when effectively overcoming the replacement of prior art inner cylinder.
Description
[technical field]
The utility model relates to a kind of critical flow velocity devices of catalytic cracking, more particularly, to a kind of catalysis of petrochemical industry
The critical flow velocity application cylinder of energy recycling system in cracking unit.
[background technique]
It is known, in catalytic cracking unit in energy recycling system, mix integrated catalyst with flue gas, through three-level whirlwind
Separator separation, clean flue gas enter the acting of steam turbine pushing turbine；The remaining flue gas for being entrained with catalyst enters four
Grade cyclone separator, mixes with flue gas object for the catalyst that three-stage cyclone separator flows out and is further separated, and separates
Catalyst out flows into storage tank and collects, and the flue gas after separating enters another way and bleeds off.And it must be right in the discharge process of flue gas
Its discharge amount is controlled, if flow is excessive, be will affect the work of three-stage cyclone separator, also be will cause energy regenerating system
Recovery efficiency decline in system, flow is too small, then will affect the separative efficiency of three-stage cyclone；Above disclosure is in patent
With open in CN201459032U.
It should be added that: the critical flow speed control device of catalytic cracking unit is by inner cylinder, inner cylinder ring flange, outer cylinder
Ring flange with outer cylinder is main components composition, and wherein the orifice plate of inner cylinder one end inner face fixed setting is using plate, in this way
Can using when orifice plate and inner cylinder connecting portion formed right angle deposit sundries in the long-term use, influence service life,
And being directly connected to will appear when replacing inner cylinder for the ring flange of inner cylinder ring flange and outer cylinder can not quickly remove problem, among these
The main reason for be the effect of outer cylinder be protection inner cylinder, one end of inner cylinder protrudes into big flue, the other end of inner cylinder and four
The flue that rotation comes is welded to connect, and service life was in 3 to four years, and outer cylinder is without disassembly after inner cylinder reaches service life, directly
Connect replacement inner cylinder.
[summary of the invention]
In order to overcome the shortcomings in the background art, the utility model discloses a kind of critical flow velocity control of catalytic cracking unit
Cylinder, is easy to the hemispherical end plate of water conservancy diversion by the way that the plate of inner cylinder to be changed to, and has effectively taken precautions against angle deposit sundries problem；In method
Ring pads plate is set between blue disk A and ring flange B, can not quickly remove problem when effectively overcoming the replacement of prior art inner cylinder.
For achieving the above object, the utility model adopts the following technical solution:
A kind of critical flow velocity application cylinder of catalytic cracking unit, including inner cylinder, hemispherical end plate, outer cylinder, ring pads plate, bolt
And nut, one end inner wall of inner cylinder are fixedly connected with the outer rim of hemispherical end plate, the raised side direction of the hemispherical end plate
One end of inner cylinder is equipped with round mouth at the middle part of hemispherical end plate, and inner cylinder is equipped with ring flange B close to the outer edge surface of the other end, outside
The internal projection ring of cylinder one end internal orifice setting is in the outer rim of described inner cylinder one end, is equipped with ring flange A in the other end outer rim of outer cylinder,
Ring pads plate is equipped between the ring flange A of outer cylinder and the ring flange B interface of inner cylinder, multiple screw bolt and nut are by ring flange A and method
Blue disk B connection.
The critical flow velocity application cylinder of the catalytic cracking unit, close one end inner wall of inner cylinder and hemispherical end plate it is outer
Edge is fixedly connected, and is surround in close one end inner wall of inner cylinder and the connection angle of hemispherical end plate and is equipped at intervals with muti-piece and reinforces
Block.
The critical flow velocity application cylinder of the catalytic cracking unit, the connection of one end inner face and internal projection ring of the outer cylinder
Angle is provided with a circumferential reinforcing strip A.
The critical flow velocity application cylinder of the catalytic cracking unit, the ring of the internal projection ring of outer cylinder one end inner wall setting
Clearance fit between inner wall and inner cylinder outer edge surface；Interval is equipped between the inner wall and inner cylinder outer edge surface of outer cylinder.
The critical flow velocity application cylinder of the catalytic cracking unit, the shape between the other end outer rim and ring flange A of outer cylinder
At angle be equipped with reinforcing strip B.
The critical flow velocity application cylinder of the catalytic cracking unit, the outer edge surface and ring flange B of the close other end of inner cylinder
The angle of formation is equipped with reinforcing strip C.
The critical flow velocity application cylinder of the catalytic cracking unit is equipped at outer rim in the ring flange A of outer cylinder and surround
Unthreaded hole A；The ring flange B of inner cylinder is provided with a circumferential unthreaded hole B at outer rim；Between the outer rim of the inner face of ring pads plate be equipped with
The matched hole inner cylinder ring flange B；The unthreaded hole B of the unthreaded hole A and ring flange B of ring flange A are corresponded to each other, and the ring pads plate is arranged in method
Between blue disk A and ring flange B, ring flange A unthreaded hole A, ring pads are sequentially passed through with the screw rod of ring flange A unthreaded hole A quantity Matching bolt
It is locked after the hole of plate and the unthreaded hole B of ring flange B by nut.
The critical flow velocity application cylinder of the catalytic cracking unit, is respectively equipped with from the inside to the outside on the top and bottom of ring pads plate
A plurality of V-arrangement protrusion.
The critical flow velocity application cylinder of the catalytic cracking unit is set between a plurality of V-arrangement protrusion of ring pads plate top and bottom
There is gap plane.
The critical flow velocity application cylinder of the catalytic cracking unit is equipped with multiple on the screw rod one side that bolt screws end
Spaced raised points；The correspondence bolt of the nut screws end one side and is equipped with multiple spaced raised points.
Due to the adoption of the technical scheme as described above, the utility model has the following beneficial effects:
The critical flow velocity application cylinder of catalytic cracking unit described in the utility model, by changing into Yuanping City's plate of inner cylinder
It is easy to the hemispherical end plate of water conservancy diversion, has effectively taken precautions against angle deposit sundries problem；In view of the welding of hemispherical end plate and inner cylinder
Bonding strength problem, the application are provided with the reinforcement block that muti-piece is welded to connect in the junction of inner cylinder and hemispherical end plate；Outer cylinder
The reinforcing strip A progress that setting triangular shape ring is formed in the angle of outer cylinder and internal projection ring after being welded to connect with internal projection ring is secondary
It reinforces；The reinforcing strip C of reinforcing strip B, inner cylinder and the setting of the angle ring flange B that outer cylinder is arranged with the angle ring flange A is all made of
It is welded to connect；The V-arrangement protrusion for the ring pads plate that the application is arranged between ring flange A and ring flange B, so that when replacement inner cylinder more
It is laborsaving；The utility model is designed reasonably effectively extends service life.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the outer tube structure schematic diagram of the utility model；
Fig. 3 is the inner tube structure schematic diagram of the utility model；
Fig. 4 is the A direction view of Fig. 3；
Fig. 5 is the ring backing structure schematic diagram of the utility model；
Fig. 6 is the screw bolt and nut structural schematic diagram of the utility model；
In figure: 1, reinforcement block；2, hemispherical end plate；3, internal projection ring；4, reinforcing strip A；5, round mouth；6, ring inner wall；7, outer
Cylinder；8, inner cylinder；9, tube inner chamber body；10, it is spaced；11, ring pads plate；12, reinforcing strip B；13, bolt；14, ring flange A；15, nut；
16, ring flange B；17, reinforcing strip C；18, unthreaded hole A；19, unthreaded hole B；20, V-arrangement protrusion；21, gap plane；22, screw rod；23, convex
Starting point.
[specific embodiment]
The utility model can be explained in more detail by the following examples, open the purpose of this utility model is intended to protect
All changes and improvements in the scope of the utility model are protected, the utility model is not limited by the following examples；
The critical flow velocity application cylinder of the catalytic cracking unit in conjunction with described in attached drawing 1 to 6, including inner cylinder 8, hemispherical end plate 2,
One end inner wall of outer cylinder 7, ring pads plate 11, bolt 13 and nut 15, inner cylinder 8 is fixedly connected with the outer rim of hemispherical end plate 2, described
Towards one end of inner cylinder 8, close one end inner wall of inner cylinder 8 and the outer rim of hemispherical end plate 2 are solid for the raised side of hemispherical end plate 2
Fixed connection is obtained automatically cleaning when using, can be taken precautions against by the intrados of hemispherical end plate 2 and the inner wall arc transition of inner cylinder 8
There is sundries agglomeration in tube inner chamber body 9；Inner cylinder 8 close one end inner wall and hemispherical end plate 2 connection angle surround and
Every being equipped with muti-piece reinforcement block 1, it is equipped with round mouth 5 at the middle part of hemispherical end plate 2, inner cylinder 8 is equipped with close to the outer edge surface of the other end
Ring flange B16, the angle that the outer edge surface and ring flange B16 of the close other end of inner cylinder 8 are formed are equipped with reinforcing strip C17, outer cylinder 7
The internal projection ring 3 of one end internal orifice setting is in the outer rim of described 8 one end of inner cylinder；It is set between 8 outer edge surface of inner wall and inner cylinder of outer cylinder 7
There is an interval 10, clearance fit between 8 outer edge surface of ring inner wall 6 and inner cylinder of the internal projection ring 3 of 7 one end inner wall of outer cylinder setting,
One end inner face of the outer cylinder 7 and the connection angle of internal projection ring 3 are provided with a circumferential reinforcing strip A4, in the other end of outer cylinder 7
Outer rim is equipped with ring flange A14, and the angle formed between the other end outer rim and ring flange A14 of outer cylinder 7 is equipped with reinforcing strip
B12 is equipped with ring pads plate 11 between the ring flange A14 of outer cylinder 7 and the ring flange B16 interface of inner cylinder 8, above and below ring pads plate 11
A plurality of V-arrangement protrusion 20 from the inside to the outside is respectively equipped on face；Between being equipped between a plurality of V-arrangement protrusion 20 of 11 top and bottom of ring pads plate
Gap plane 21, obtained by V-arrangement protrusion 20 prevents ring flange A14 bonding with ring flange B16 when dismantling, multiple bolts 13 and spiral shell
Ring flange A14 is connect by mother 15 with ring flange B16.
In conjunction with attached drawing 1,2,3 or 4, unthreaded hole A18 is provided with a circumferential at outer rim in the ring flange A14 of outer cylinder 7；Inner cylinder 8
Ring flange B16 unthreaded hole B19 is provided with a circumferential at outer rim；It is equipped with and inner cylinder 8 between the outer rim of the inner face of ring pads plate 11
The matched hole ring flange B16；The unthreaded hole B19 of the unthreaded hole A18 and ring flange B16 of ring flange A14 are corresponded to each other, the ring pads plate 11
It is arranged between ring flange A14 and ring flange B16, is successively worn with the screw rod 22 of ring flange A14 unthreaded hole A18 quantity Matching bolt 13
It is locked after crossing ring flange A14 unthreaded hole A, the hole of ring pads plate 11 and the unthreaded hole B19 of ring flange B16 by nut 15.
In conjunction with attached drawing 1 or 5, multiple spaced raised points are equipped on 22 one side of screw rod that bolt 13 screws end
23, it is formed by raised points 23 self-locking；The correspondence bolt 13 of the nut 15 screws end one side equipped with multiple spaced
Raised points 23 are formed self-locking by raised points 23.
The non-detailed portion of the utility model is the prior art.
Claims (10)
1. a kind of critical flow velocity application cylinder of catalytic cracking unit, including inner cylinder (8), hemispherical end plate (2), outer cylinder (7), ring pads
Plate (11), bolt (13) and nut (15), it is characterized in that: one end inner wall of inner cylinder (8) and the outer rim of hemispherical end plate (2) are fixed
Connection, the raised side of the hemispherical end plate (2) are equipped with circle at the middle part of hemispherical end plate (2) towards one end of inner cylinder (8)
Mouth (5), inner cylinder (8) are equipped with ring flange B(16 close to the outer edge surface of the other end), the internal projection of outer cylinder (7) one end internal orifice setting
Ring (3) is in the outer rim of the inner cylinder (8) one end, is equipped with ring flange A(14 in the other end outer rim of outer cylinder (7)), outer cylinder (7)
Ring flange A(14) and inner cylinder (8) ring flange B(16) ring pads plate (11), multiple bolts (13) and nut are equipped between interface
(15) ring flange A(14) is connect with ring flange B(16).
2. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1, it is characterized in that: inner cylinder (8) is close
One end inner wall is fixedly connected with the outer rim of hemispherical end plate (2), close one end inner wall and hemispherical end plate (2) in inner cylinder (8)
Connection angle surround and be equipped at intervals with muti-piece reinforcement block (1).
3. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1, it is characterized in that: the outer cylinder (7)
The connection angle of one end inner face and internal projection ring (3) is provided with a circumferential reinforcing strip A(4).
4. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1, it is characterized in that: in outer cylinder (7) one end
Clearance fit between the ring inner wall (6) and inner cylinder (8) outer edge surface of the internal projection ring (3) of wall setting；The inner wall of outer cylinder (7) with
Interval (10) is equipped between inner cylinder (8) outer edge surface.
5. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1, it is characterized in that: in the another of outer cylinder (7)
One end outer rim and ring flange A(14) between the angle that is formed be equipped with reinforcing strip B(12).
6. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1, it is characterized in that: inner cylinder (8) is close
The outer edge surface of the other end is equipped with reinforcing strip C(17 with the angle that ring flange B(16) is formed).
7. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1, it is characterized in that: the method in outer cylinder (7)
Blue disk A(14) it is provided with a circumferential unthreaded hole A(18 at the outer rim)；The ring flange B(16 of inner cylinder (8)) it is equipped at the outer rim and surround
Unthreaded hole B(19)；It is equipped with and the matched hole inner cylinder (8) ring flange B(16) between the outer rim of the inner face of ring pads plate (11)；Flange
Disk A(14) unthreaded hole A(18) corresponded to each other with the unthreaded hole B(19 of ring flange B(16)), the ring pads plate (11) is arranged in ring flange
A(14) and ring flange B(16) between, successively worn with the screw rod (22) of ring flange A(14) unthreaded hole A(18) quantity Matching bolt (13)
Cross ring flange A(14) unthreaded hole A, the hole of ring pads plate (11) and ring flange B(16) unthreaded hole B(19) after it is locked by nut (15).
8. the critical flow velocity application cylinder of catalytic cracking unit according to claim 1 or claim 7, it is characterized in that: in ring pads plate
(11) a plurality of V-arrangement being respectively equipped on top and bottom from the inside to the outside is raised (20).
9. the critical flow velocity application cylinder of catalytic cracking unit according to claim 8, it is characterized in that: on ring pads plate (11)
Following a plurality of V-arrangement is equipped with gap plane (21) between raised (20).
10. the critical flow velocity application cylinder of catalytic cracking unit according to claim 7, it is characterized in that: being revolved in bolt (13)
Screw rod (22) one side for twisting end is equipped with multiple spaced raised points (23)；The correspondence bolt (13) of the nut (15)
It screws end one side and is equipped with multiple spaced raised points (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436900.9U CN209722042U (en) | 2019-04-02 | 2019-04-02 | A kind of critical flow velocity application cylinder of catalytic cracking unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436900.9U CN209722042U (en) | 2019-04-02 | 2019-04-02 | A kind of critical flow velocity application cylinder of catalytic cracking unit |
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| Publication Number | Publication Date |
|---|---|
| CN209722042U true CN209722042U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920436900.9U Active CN209722042U (en) | 2019-04-02 | 2019-04-02 | A kind of critical flow velocity application cylinder of catalytic cracking unit |
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| CN (1) | CN209722042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060162A (en) * | 2019-12-16 | 2021-07-02 | 中车唐山机车车辆有限公司 | Electric heat tracing guide tube for railway passenger car |
-
2019
- 2019-04-02 CN CN201920436900.9U patent/CN209722042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060162A (en) * | 2019-12-16 | 2021-07-02 | 中车唐山机车车辆有限公司 | Electric heat tracing guide tube for railway passenger car |
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