CN201273302Y - Assembly structure for head and barrel of barrel-type compressor - Google Patents
Assembly structure for head and barrel of barrel-type compressor Download PDFInfo
- Publication number
- CN201273302Y CN201273302Y CNU2008202180973U CN200820218097U CN201273302Y CN 201273302 Y CN201273302 Y CN 201273302Y CN U2008202180973 U CNU2008202180973 U CN U2008202180973U CN 200820218097 U CN200820218097 U CN 200820218097U CN 201273302 Y CN201273302 Y CN 201273302Y
- Authority
- CN
- China
- Prior art keywords
- end cap
- cylindrical shell
- tube body
- assembling
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a vertically-split centrifugal compressor device, in particular to an assembling structure of a tubular compressor end cap and a tube body. The assembling structure comprises an end cap and a tube body, wherein the end cap is embedded in the tube body, a plurality of assembling grooves are arranged on the inner wall of the tube body, and a retainer ring and a fixed ring for connecting the end cap and the tube body are arranged in each assembling groove, the retainer ring is pressed with the fixed ring, a plurality of assembling-disassembling rings are fixedly connected on the end surface of the tube body, double-end threaded studs are arranged on the assembling-disassembling rings, one ends of the double-end threaded studs are connected with screw threads of the end cap, and the other ends are penetrated by the assembling-disassembling rings and are fastened on the assembling-disassembling rings through a cover-shaped nut, and an 'O'-shaped sealing ring is arranged between the outer surface of the end cap and the inner wall of the tube body. The end cap of the assembling structure is embedded in the tube body, and the tube body and the end cap are clamped by the retainer ring and the fixed ring, the diameter of the end cap is small, the tube body is thinner, and the intensity of the retainer ring and the fixed ring is high. The assembling structure greatly reduces materials of the end cap and the tube body, lowers production cost, has simple processing, short processing circle, convenient installation and safe unit operation.
Description
Technical field
The utility model relates to vertical subdivision centrifugal compressor equipment, the assembly structure of specifically a kind of barrel-type compressor end cap and cylindrical shell.
Background technique
In petrochemical refining's device, centrifugal compressor is one of nucleus equipment, and mostly is the vertical subdivision structure of tubular.The end cap of tradition barrel-type compressor and the assembling between the cylindrical shell are as shown in Figure 1, entrance point and outlet end at compressor, the end cap 2 of compressor leans on bolt handle and mode and cylindrical shell 1 to be fixed together, end cap 2 is outside cylindrical shell 1, the diameter of end cap 2 is identical with the external diameter of cylindrical shell 1, cylindrical shell 1 thickness requirement is very thick, so that the tapped hole that processing handle and end cap are used.Along with continuing to increase of China's oil refining apparatus Processing capacity, the stature of compressor is also in continuous increase, in the past handle and structure produce many drawbacks, and the bolt of usefulness continue to increase, cause cylindrical shell wall thickness and ending cover thickness to continue to increase, assembling difficulty also continues to increase, make that the material preparatory period is long, difficulty of processing is big, the material significant wastage, and cost is very high.For example, the unit among Fig. 1, cylindrical shell external diameter at least should be greater than 2450mm, the about 1850mm of cylinder internal diameter, the heavy 63149kg that just is at least of high-pressure cylinder cylindrical shell, so no matter huge monster is purchased from the blank forging, still process in the factory, and the running of course of working, to transport each link all be great test.
The model utility content
Long in order to solve the existing large-scale barrel-type compressor material preparatory period, the problem that difficulty of processing is big, cost is high, the purpose of this utility model are to provide a kind of snap ring assembly structure of novel barrel-type compressor end cap cylindrical shell.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises end cap and cylindrical shell, and described end cap embeds the inside of cylindrical shell.
Wherein: the inwall of described cylindrical shell has a plurality of fitting recess, all is equipped with in each fitting recess to be used for snap ring and the retaining ring that end cap is connected with cylindrical shell, and snap ring and retaining ring connect; Snap ring for form by 4～8 parts, a side is provided with the hollow circuit cylinder of seam, has a plurality of first tapped holes vertically at stop portion; Retaining ring is the hollow circuit cylinder of being made up of 4～8 parts, directly upwards is provided with a plurality of second tapped holes at it; Be connected with a plurality of mounting or dismounting rings on the end face of cylindrical shell, be provided with stud on mounting or dismounting rings, an end of stud is threaded with end cap, the other end pass by the mounting or dismounting ring and by acorn nut tightly encircling in installing and removing; The mounting or dismounting ring is 4～8; The mounting or dismounting ring is cuboid, has the through hole that passes for stud on it; Be provided with " O " RunddichtringO between the outer surface of end cap and the inwall of cylindrical shell.
Advantage of the present utility model and good effect are:
1. end cap of the present utility model embeds in the cylindrical shell, and by snap ring, retaining ring chucking, the end cap diameter is little between cylindrical shell and the end cap, and cylindrical shell is thinner, and snap ring, retaining ring place intensity height have significantly reduced the material of end cap and cylindrical shell, have reduced cost.
2. the utility model processing is simple, and the process-cycle is short, and is easy for installation, unit operation safety.
Description of drawings
Fig. 1 is that traditional tubular compressor head and cylindrical shell are by bolt handle and affixed structural representation;
Fig. 2 is the overall structure schematic representation of the utility model assembling compressor;
Fig. 3 is snap ring department of assembly, an I place bit architecture partial enlarged drawing (entrance point) among Fig. 2;
Fig. 4 is snap ring department of assembly, an II place bit architecture partial enlarged drawing (outlet end) among Fig. 2;
Fig. 5 is the structural representation of snap ring;
Fig. 6 is the A-A view among Fig. 5;
Fig. 7 is the B-B view among Fig. 5;
Fig. 8 is the structural representation of retaining ring;
Fig. 9 is the C-C view among Fig. 8;
Figure 10 is the side view of Fig. 2;
Wherein: 1 is cylindrical shell, and 2 is end cap, and 3 is snap ring, and 4 is retaining ring, and 5 are the mounting or dismounting ring, and 6 is acorn nut, and 7 is stud, and 8 is bolt, and 9 is " 0 " RunddichtringO, and 10 is fitting recess, and 11 is seam, and 12 is first tapped hole, and 13 is second tapped hole, and 14 is through hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 2, the utility model is applied to assembling with cylindrical shell of end cap inlet/outlet end.
Shown in Fig. 3～4, the utility model comprises end cap 2 and cylindrical shell 1, the inwall of cylindrical shell 1 has a plurality of fitting recess 10, all be equipped with in each fitting recess 10 and be used for snap ring 3 and the retaining ring 4 that end cap 2 is connected with cylindrical shell 1, snap ring 3 connects with retaining ring 4, and end cap 2 embeds the inside of cylindrical shell 1 by snap ring 3 and retaining ring 4.On the end face of cylindrical shell 1, be connected with 4～8 mounting or dismounting rings 5 (can increase the number of mounting or dismounting ring) according to the actual size of end cap, cylindrical shell, on mounting or dismounting ring 5, be provided with stud 7, one end of stud 7 is threaded with end cap 2, and the other end is passed by mounting or dismounting ring 5 and passes through acorn nut 6 tightly encircling 5 in mounting or dismounting.Be provided with twice " O " RunddichtringO 9 between the inwall of the outer surface of end cap 2 and cylindrical shell 1, can play seal action, between twice " O " RunddichtringO, establish pressure tap, can external pressure gauge or pressure transmitter, in order to the validity of check " O " RunddichtringO.Also can reserve the pressure inverting signaling interface, increase unit operation supervision point, so that unit control system upgrading in the future.
Shown in Fig. 5～7, snap ring 3 for forms by 4～8 parts, a side is provided with the hollow circuit cylinder of seam 11, has a plurality of first tapped holes 12 vertically at seam 11 places, bolt axis is connected snap ring 3 in insertion first tapped hole 12 with end cap 2.
Shown in Fig. 8～9, retaining ring 4 is the hollow circuit cylinder of being made up of 4～8 parts, and external diameter is identical with the interior external diameter of snap ring 3 in it, upwards is provided with a plurality of second tapped holes 13 in the footpath of retaining ring 4, bolt radially inserts in second tapped hole 13, and retaining ring 4 is connected with tubular 1.
As shown in figure 10, mounting or dismounting ring 5 is a cuboid, has the through hole 14 that passes for stud 7 on it.
Working principle of the present utility model is:
The utility model change traditional tubular compressor head and cylindrical shell keep to the side the bolt handle and structure be snap ring chucking structure, both are to such as shown in table one, the table two:
Table one, the good and bad contrast of two kinds of design lower cylinder bodys of unit:
Table two, the good and bad contrast of two kinds of design lower end caps of unit:
Shown in table one, table two, the cylindrical shell external diameter only needs 2200mm, only saves one of cylinder material expense, estimates to save (58934+63149-32380-34695) ÷ 1000=53 ton; Estimate end cap saving (15247+17394-9170-14025) X2 ÷ 1000=19 ton.
The utility model can be applied to large-scale ten million ton of/year oil refining apparatus, can be transplanted on the centrifugal compressor of large-scale PX device (paraxylene Aromatic Hydrocarbon United Plant), large-scale chemical fertilizer and petrochemical industry various uses.
Claims (8)
1. the assembly structure of barrel-type compressor end cap and cylindrical shell comprises end cap and cylindrical shell, it is characterized in that: described end cap (2) embeds the inside of cylindrical shell (1).
2. press the assembly structure of described barrel-type compressor end cap of claim 1 and cylindrical shell, it is characterized in that: the inwall of described cylindrical shell (1) has a plurality of fitting recess (10), all be equipped with in each fitting recess (10) and be used for snap ring (3) and the retaining ring (4) that end cap (2) is connected with cylindrical shell (1), snap ring (3) connects with retaining ring (4).
3. press the assembly structure of described barrel-type compressor end cap of claim 2 and cylindrical shell, it is characterized in that: described snap ring (3) for form by 4～8 parts, a side is provided with the hollow circuit cylinder of seam (11), locates to have vertically a plurality of first tapped holes (12) at seam (11).
4. by the assembly structure of described barrel-type compressor end cap of claim 2 and cylindrical shell, it is characterized in that: the hollow circuit cylinder of described retaining ring (4) for being made up of 4～8 parts directly upwards is provided with a plurality of second tapped holes (13) at it.
5. press the assembly structure of described barrel-type compressor end cap of claim 1 and cylindrical shell, it is characterized in that: be connected with a plurality of mounting or dismounting rings (5) on the end face of described cylindrical shell (1), on mounting or dismounting rings (5), be provided with stud (7), one end of stud (7) is threaded with end cap (2), and the other end is passed by mounting or dismounting rings (5) and passes through acorn nut (6) tightly encircling (5) in mounting or dismounting.
6. by the assembly structure of described barrel-type compressor end cap of claim 5 and cylindrical shell, it is characterized in that: described mounting or dismounting ring (5) is 4～8.
7. by the assembly structure of described barrel-type compressor end cap of claim 5 and cylindrical shell, it is characterized in that: described mounting or dismounting ring (5) is a cuboid, has the through hole (14) that passes for stud (7) on it.
8. by the assembly structure of described barrel-type compressor end cap of claim 1 and cylindrical shell, it is characterized in that: be provided with " O " RunddichtringO (9) between the inwall of the outer surface of described end cap (2) and cylindrical shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202180973U CN201273302Y (en) | 2008-09-19 | 2008-09-19 | Assembly structure for head and barrel of barrel-type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202180973U CN201273302Y (en) | 2008-09-19 | 2008-09-19 | Assembly structure for head and barrel of barrel-type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273302Y true CN201273302Y (en) | 2009-07-15 |
Family
ID=40883649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202180973U Expired - Lifetime CN201273302Y (en) | 2008-09-19 | 2008-09-19 | Assembly structure for head and barrel of barrel-type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273302Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228926A (en) * | 2011-02-25 | 2013-07-31 | 三菱重工压缩机有限公司 | Compressor |
| CN104204534A (en) * | 2012-01-25 | 2014-12-10 | Ihc荷兰Ie有限公司 | Pump and a method of manufacturing such a pump |
| CN105370623A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Cover plate locking system for immersed pump and immersed pump |
| WO2016041800A1 (en) * | 2014-09-16 | 2016-03-24 | Siemens Aktiengesellschaft | Housing of a radial flow turbo-machine, and radial flow turbo-machine |
| EP3770441A4 (en) * | 2018-04-27 | 2021-03-24 | Mitsubishi Heavy Industries Compressor Corporation | Compressor and method for manufacturing compressor |
-
2008
- 2008-09-19 CN CNU2008202180973U patent/CN201273302Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228926A (en) * | 2011-02-25 | 2013-07-31 | 三菱重工压缩机有限公司 | Compressor |
| CN104204534A (en) * | 2012-01-25 | 2014-12-10 | Ihc荷兰Ie有限公司 | Pump and a method of manufacturing such a pump |
| WO2016041800A1 (en) * | 2014-09-16 | 2016-03-24 | Siemens Aktiengesellschaft | Housing of a radial flow turbo-machine, and radial flow turbo-machine |
| CN105370623A (en) * | 2015-11-02 | 2016-03-02 | 武汉船用机械有限责任公司 | Cover plate locking system for immersed pump and immersed pump |
| EP3770441A4 (en) * | 2018-04-27 | 2021-03-24 | Mitsubishi Heavy Industries Compressor Corporation | Compressor and method for manufacturing compressor |
| JPWO2019207761A1 (en) * | 2018-04-27 | 2021-04-22 | 三菱重工コンプレッサ株式会社 | Compressor and method of manufacturing compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENYANG BLOWER WORKS GROUP CORPORATION Free format text: FORMER NAME: SHENYANG BLOWER WORKS GROUP CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 110869 Shenyang economic and Technological Development Zone, Liaoning development road, a No. 16 Patentee after: Shenyang Blower Works Group Corporation Address before: 110142 No. 16, development road, Zhang Shi economic and Technological Development Zone, Liaoning, Shenyang Patentee before: Shenyang Blower Works Group Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENYANG TURBINE MACHINERY CO., LTD. Free format text: FORMER OWNER: SHENYANG BLOWER WORKS GROUP CORPORATION Effective date: 20110926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110926 Address after: 110869 Shenyang economic and Technological Development Zone, Liaoning development road, a No. 16 Patentee after: Shenyang Turbo Machinery Co., Ltd. Address before: 110869 Shenyang economic and Technological Development Zone, Liaoning development road, a No. 16 Patentee before: Shenyang Blower Works Group Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090715 |