CN207406500U - A kind of catalytic reforming unit centrifugal compressor - Google Patents
A kind of catalytic reforming unit centrifugal compressor Download PDFInfo
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- CN207406500U CN207406500U CN201721163046.0U CN201721163046U CN207406500U CN 207406500 U CN207406500 U CN 207406500U CN 201721163046 U CN201721163046 U CN 201721163046U CN 207406500 U CN207406500 U CN 207406500U
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Abstract
A kind of catalytic reforming unit centrifugal compressor is formed by stator pack, rotor set, bearing group and sealing group etc. four are most of, it is characterised in that：(1) more set partition plates of compressor fit together to form partition plate beam, and compressor compresses gas main positions diffuser, bend and the return channel to be flowed through is formed naturally after forming partition plate beam；(2) for impeller diameter between 500mm~850mm, the number of impeller is 6~10.Spread pattern of the impeller on main shaft is in-line arrangement, and balancing frame is in one side；(3) previous impeller is identical with diameter at the latter impeller outlet, and between two adjacent impellers, the blade of the latter impeller is set compared with the certain angle of the blade deflection of previous impeller；(4) spring bearing uses tilting-pad bearing, and thrust bearing uses identical structure using Jin Sibaileishi, the both sides of thrust bearing；(5) interstage seal and mouth circle are sealingly mounted on corresponding partition plate, and shaft end seal and dry gas seals are mounted on the left and right end cap of unit.The utility model obtains the favorable comment of user.
Description
Technical field
The utility model belongs to technical field of petrochemical industry, and in particular to it is a kind of for catalytic reforming unit it is matched from
Heart compressor.
Background technology
Catalytic reforming is under conditions of having catalyst, and the hydrocarbon molecules structure in gasoline fraction is rearranged into
The process of recruit's structure.Reformed Gasoline can be directly used as the blend component of gasoline, can also be produced through Aromatics Extractive Project benzene, toluene and
Dimethylbenzene.And the hydrogen of by-product is then hydrogen source used in petroleum refiners hydrogenation plant (hydrofinishing is hydrocracked).It urges
Change the important means reformed and be raising quality of gasoline and production petrochemical materials, thus catalytic reforming unit is modern petroleum refining
One of most common device in factory processed and petroleum complex.
Catalytic reforming process mainly includes pretreatment of raw material and reforms two procedures, to produce aromatic hydrocarbons as purpose technique
In, further include Aromatics Extractive Project and distilling apparatus.Enter reforming process by pretreated raw material, recycle hydrogen is mixed and heated to
After 490 DEG C~525 DEG C, reactor is entered under 1~2MPa.During which reactor is equipped with heating furnace, with compensation by 3~4 series connection
The absorbed heat of reaction.The material of reactor is left by gas-liquid separation, it is to reform that obtained liquid, which sloughs light component,
Gasoline；Or it is sent to aromatic extraction unit production aromatic hydrocarbons.
Catalytic reforming process is what is desired is that a kind of special circulating hydrogen compressor.We retrieved State Intellectual Property Office
Website (www.sipo.gov.cn) only sees Chinese patent 201521077307.8 and reported《A kind of crude benzole hydrogenation produces work
Circulating hydrogen compressor in skill》, and it be related to be only compressor outside the problem of connecing and fixing, be not directed to
The structure of compressor in itself.Thus, to compressor function in itself and how suitable for catalytic reforming process reference price is had no
Value.
Chinese patent application case 200810161543.6 discloses《A kind of circulating hydrogen compressor of hydrocarbon hydrogenation device driving system
System designing scheme》, it is also not directed to the structure of compressor in itself.Equally also we are also opened without reference to value and technology
Breaking-out is used.
In order to be suitable for catalytic reforming process, we must the designed, designed reformation hydrogen booster compressor new with creation.
Utility model content
The utility model is to meet the particular/special requirement of catalytic reforming process, seeks a kind of catalytic reforming unit centrifugation
Compressor, i.e., a kind of special reformation hydrogen booster compressor.
The catalytic reforming unit centrifugal compressor of the utility model, including stator pack, rotor set, bearing group and sealing group
Deng four most of compositions, stator pack include cylinder, left end cap, right end cap, partition plate, into air duct, chimney fan；Rotor set includes leaf
Wheel, main shaft, spacer, balancing frame, thrust disc, nut, adjusting pad and stopper ring；Bearing group includes two spring bearings and one pushes away
Power bearing；Sealing group then includes interstage seal, mouth circle sealing, balancing frame sealing, shaft end seal and dry gas seals, feature and exists
In：
(1) more set partition plates of compressor fit together to form partition plate beam, are formed compressing naturally after forming partition plate beam
Machine compressed gas main positions diffuser, bend and the return channel to be flowed through；
(2) for the impeller diameter installed in rotor set between 500mm~850mm, the number of impeller is 6~10.Leaf
The spread pattern taken turns on main shaft is in-line arrangement, and balancing frame is in one side.
(3) previous impeller is identical with diameter at the latter impeller outlet, and the design concept that inlet diameter is different, leaf
The previous form of impeller blade from the latter is different, from the impeller blade after balancing frame be also before balancing frame it is different,
Between two adjacent impellers, the blade of the latter impeller is set compared with the certain angle of the blade deflection of previous impeller；
(4) spring bearing uses tilting-pad bearing, and thrust bearing is using Jin Sibaileishi, for proof stress condition,
The both sides of thrust bearing use identical structure.
(5) interstage seal and mouth circle are sealingly mounted on corresponding partition plate, and shaft end seal and dry gas seals are mounted on unit
Left and right end cap on.
The catalytic reforming unit of the utility model centrifugation centrifugal compressor, described diffuser can divide vaned diffuser and
Vaneless diffuser, the unit design data according to given by user after type selecting, under conditions of meeting user's requirement, are
The performance for making compressor is more preferable, can meet by adjusting the form of diffuser.
The catalytic reforming unit centrifugal compressor of the utility model, between described two impellers adjacent in impeller,
The blade of the latter impeller is set compared with the certain angle of the blade deflection of previous impeller；It is for backward leaning vane：5~15
Degree；It is for forward curved vane：5~15 degree；It it is 5~30 degree for radial blade.
The catalytic reforming unit centrifugal compressor of the utility model, spread pattern of the described impeller on main shaft is suitable
Row, balancing frame can effectively reduce the axial thrust that gas generates rotor in the arrangement form of one side, make a whole set of unit fortune
Row is more steady.
The catalytic reforming unit centrifugal compressor of the utility model, described spring bearing and thrust bearing, support shaft
The rotor for honouring compressor plays the role of support, supports the size of span and has to the performance of compressor conclusive, pushes away
Power bearing is for balancing axial thrust caused by compressor drum, to ensure the even running of compressor.
Description of the drawings
Fig. 1 is the whole sectional view of the catalytic reforming unit centrifugal compressor of the utility model；
Fig. 2 is the stator pack sectional view of the catalytic reforming unit centrifugal compressor of the utility model；
Fig. 3 is the rotor figure of the catalytic reforming unit centrifugal compressor of the utility model；
Fig. 4 is the installation drawing using steam turbine as the catalytic reforming unit centrifugal compressor of drive form.
Fig. 5 is the installation drawing using motor as the catalytic reforming unit centrifugal compressor of drive form.
Specific embodiment
The catalytic reforming unit of the utility model is further described and is mended with centrifugal compressor below in conjunction with the accompanying drawings
It fills.
As shown in Figure 1, the catalytic reforming unit of the utility model includes 1 stator pack, 2 rotor sets, 3 axis with centrifugal compressor
Hold group, 4 sealing group, four big groups of portions.
Fig. 2 show the stator pack sectional view of the catalytic reforming unit centrifugal compressor of the utility model, stator pack bag
11 cylinders, 12 left end caps, 13 right end caps, 14 partition plates, 15 are included into air duct, 16 chimney fans.The polylith partition plate of compressor is passed through into drawing
Bar is bolted together to form partition board portion 14, and partition board portion is installed to by partition plate specific purpose tool in cylinder 11, by left end
Lid 12 and right end cap 13 are closed by bolt and cylinder 11, are welded with below cylinder into air duct 15 and chimney fan 16, by other one
A little parts form complete stator pack 1 mounted on end cap in order.
Fig. 3 show the rotor figure of the catalytic reforming unit centrifugal compressor of the utility model, and the utility model turns
Its sub impeller 21 on main shaft 22, is positioned according to once mounting as shown in the figure between impeller and impeller by spacer 23,
Balancing frame 24 is installed after the impeller 21 of in-line arrangement, is fixed impeller location on rotor by locknut 25 and 26, successively according to rotor
Thrust disc 27, adjusting pad 28 and stopper ring 29 are mounted on main shaft 22 and form complete rotor set by figure.
Below we by specific embodiment to the parameter of the catalytic reforming unit centrifugal compressor of the utility model
It is further described.
The catalytic reforming unit centrifugal compressor of 1 Steam Turbine Driven of embodiment
The present embodiment 1 is seven grades of centrifugal compressors, and impeller uses binary double shrouded wheel, and blade uses antecurvature formula structure；
Diffuser uses vaned diffuser.Steam condition is possessed according to user's field condition, so embodiment uses Steam Turbine Driven.
2 motor-driven catalytic reforming unit centrifugal compressor of embodiment
The present embodiment 2 is eight grades of centrifugal compressors, and impeller uses double shrouded wheel, and impeller uses binary, and blade uses footpath
To structure, 15 degree are deflected between the blade of front and rear two impeller；Using vaneless diffuser.This embodiment user scene does not possess steaming
Vapour condition, so set reformer connects the form that gear-box connects compressor using motor.
The catalytic reforming unit centrifugal compressor of 3 Steam Turbine Driven of embodiment
The present embodiment 3 is two centrifugal compressors of Steam Turbine Driven, and two compressors are arranged in the both sides of steam turbine,
Form is compressor 608+ steam turbines+compressor 6011, and the impeller diameter of two compressors is 600mm, and impeller number is distinguished
For the configuration of 8 impellers and 11 impellers.Impeller is used using binary double shrouded wheel, and blade uses swept-back structure, there is leaf
Diffuser structure.As shown in figure 4, the location arrangements figure of the catalytic reforming unit centrifugal compressor for Steam Turbine Driven.
4 motor-driven catalytic reforming unit centrifugal compressor of embodiment
The present embodiment 4 drives two centrifugal compressors for motor, and two compressor in-line arrangements are arranged in the one side of motor, form
For motor+gear-box+compressor 608+ compressors 609, the impeller diameter of two compressors is 600mm, and impeller number is distinguished
For the configuration of 8 impellers and 9 impellers.Impeller is used using binary double shrouded wheel, and blade uses swept-back structure, and no leaf expands
Depressor structure.As shown in figure 5, the location arrangements figure for motor-driven catalytic reforming unit centrifugal compressor.
After same user has signed technical know-how agreement, the artificial more Large Scale Petrochemical Enterprises of design of the utility model
Catalytic reforming production line provide various different scales catalytic reforming unit centrifugal compressors, through stabilization after a while
Operating, achieves very good technique effect, has also createed better economic benefit, obtain the consistent favorable comment of users.
Above-mentioned each scheme is the embodiment of the catalytic reforming unit centrifugal compressor run for different user scenes,
According to a whole set of catalytic reforming unit technique difference require, drive form used in catalytic reforming unit centrifugal compressor and
The type selecting structure of compressor is all different, and above example is catalytic reforming unit of the part in the operation of user scene.This
Utility model does not limit to aforementioned four embodiment, and for those skilled in the art, the form of the utility model can be done
Corresponding change and modification, every change and modification within the spirit and principles of the present invention are regarded as comprising this
Within the permission of utility model.
Claims (4)
1. a kind of catalytic reforming unit centrifugal compressor, by stator pack, rotor set, bearing group and the most of group of sealing group four
Into, wherein stator pack include cylinder, left end cap, right end cap, partition plate, into air duct, chimney fan；Rotor set include impeller, main shaft, every
Set, balancing frame, thrust disc, nut, adjusting pad and stopper ring；Bearing group includes two spring bearings and a thrust bearing；It is close
Envelope group then includes interstage seal, mouth circle sealing, balancing frame sealing, shaft end seal and dry gas seals, it is characterised in that：
(1) more set partition plates of compressor fit together to form partition plate beam, and compressor pressure is formed naturally after forming partition plate beam
Contracting gas main positions diffuser, bend and the return channel to be flowed through；
(2) impeller diameter installed in rotor set is between 500mm~850mm, and the number of impeller is 6~10, and impeller exists
Spread pattern on main shaft is in-line arrangement, and balancing frame is in one side；
(3) previous impeller is identical with diameter at the latter impeller outlet, and inlet diameter is different, before the form of impeller blade
One is different from the latter, from the impeller blade after balancing frame is also different before balancing frame, in two adjacent impellers
Between, the blade of the latter impeller is set compared with the certain angle of the blade deflection of previous impeller；
(4) spring bearing uses tilting-pad bearing, and thrust bearing is using Jin Sibaileishi, for proof stress condition, thrust
The both sides of bearing use identical structure；
(5) interstage seal and mouth circle are sealingly mounted on corresponding partition plate, and shaft end seal and dry gas seals are mounted on a left side for unit
On right end cap.
2. by catalytic reforming unit centrifugal compressor described in claim 1, it is characterised in that described diffuser, which can divide, to be had
Leaf diffuser and vaneless diffuser.
3. by catalytic reforming unit centrifugal compressor described in claim 1, it is characterised in that described at adjacent two
Between impeller, the blade of the latter impeller is set compared with the certain angle of the blade deflection of previous impeller；For rear curved leaf
Piece is：5~15 degree；It is for forward curved vane：5~15 degree；It it is 5~30 degree for radial blade.
4. by catalytic reforming unit centrifugal compressor described in claim 1, it is characterised in that described impeller is on main shaft
Spread pattern be in-line arrangement, balancing frame is then arranged in the one side of end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163046.0U CN207406500U (en) | 2017-09-12 | 2017-09-12 | A kind of catalytic reforming unit centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163046.0U CN207406500U (en) | 2017-09-12 | 2017-09-12 | A kind of catalytic reforming unit centrifugal compressor |
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| CN207406500U true CN207406500U (en) | 2018-05-25 |
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| CN201721163046.0U Active CN207406500U (en) | 2017-09-12 | 2017-09-12 | A kind of catalytic reforming unit centrifugal compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228360A (en) * | 2020-10-12 | 2021-01-15 | 沈阳斯特机械制造有限公司 | Reforming circulating hydrogen compressor |
| CN112283124A (en) * | 2020-11-16 | 2021-01-29 | 沈阳斯特机械制造有限公司 | Heat pump compressor |
| CN112639293A (en) * | 2018-09-04 | 2021-04-09 | 西门子能源环球有限责任两合公司 | Turbine housing with at least one cover, turbine, method for producing a cover |
| CN113404708A (en) * | 2021-08-07 | 2021-09-17 | 沈阳斯特机械制造有限公司 | Pyrolysis gas compressor for polypropylene device |
-
2017
- 2017-09-12 CN CN201721163046.0U patent/CN207406500U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639293A (en) * | 2018-09-04 | 2021-04-09 | 西门子能源环球有限责任两合公司 | Turbine housing with at least one cover, turbine, method for producing a cover |
| US11466592B2 (en) | 2018-09-04 | 2022-10-11 | Siemens Energy Global GmbH & Co. KG | Turbomachine housing having at least one cover, turbomachine, method for producing a cover |
| CN112228360A (en) * | 2020-10-12 | 2021-01-15 | 沈阳斯特机械制造有限公司 | Reforming circulating hydrogen compressor |
| CN112283124A (en) * | 2020-11-16 | 2021-01-29 | 沈阳斯特机械制造有限公司 | Heat pump compressor |
| CN113404708A (en) * | 2021-08-07 | 2021-09-17 | 沈阳斯特机械制造有限公司 | Pyrolysis gas compressor for polypropylene device |
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Effective date of registration: 20210118 Granted publication date: 20180525 |