CN207349129U - A kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor - Google Patents
A kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor Download PDFInfo
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- CN207349129U CN207349129U CN201721197592.6U CN201721197592U CN207349129U CN 207349129 U CN207349129 U CN 207349129U CN 201721197592 U CN201721197592 U CN 201721197592U CN 207349129 U CN207349129 U CN 207349129U
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Abstract
A kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor, including stator group part, rotor group part, bearing group portion and dry gas seals four are most of, it is characterised in that：(1) compressor uses vertical subdivision structure；(2) partition plate fits together to form partition plate beam, and the diffuser between partition plate and partition plate uses vaneless diffuser；(3) spread pattern of the impeller on main shaft is in-line arrangement, and impeller number is 6~8, a diameter of 400mm；(4) between two adjacent impellers, the blade of the latter impeller is set relative to the certain angle of the blade deflection of previous impeller；(5) spring bearing uses tilting-pad bearing；(6) thrust bearing uses Jin Sibaileishi structures, and the both sides of thrust bearing use identical structure；(7) dry gas seals are installed on the both ends of compressor, are provided with independent control system.Application of this centrifugal compressor particularly suitable for gasoline and diesel hydrogenation modifying process.
Description
Technical field
The utility model belongs to technical field of petrochemical industry, and in particular to a kind of steam supply diesel oil hydrogenation modification matched with devices
Centrifugal compressor.
Background technology
Countries in the world hydrogenation plant construction and the obvious quickening of hydrogen addition technology exploitation.Hydrogen addition technology becomes meets clean fuel
Under production and environmental protection, the important development direction of petroleum refining industry.As worldwide crude oil increasingly becomes weight, change is inferior and cleans
Under the general trend of fuel production requirement, countries in the world all generally carry out modifying process with hydrogen addition technology to oil product.
Hydro-upgrading under Medium Pressure is to improve hexadecane for catalytic cracking especially diesel oil from the heavy catalytic cracking modification
Value and the needs for improving stability, in a kind of new process of the eighties tail period.The process selection Hydrogenation is good
The Hydrobon catalyst high-selective and hydrogenating Cracking catalyst strong with open loop ability matches, and is once passed through using one-stage serial
Technological process, it is middle pressure processing heavy oil catalytic cracking diesel oil and straight-run gas oil miscella, can not only produce Cetane number,
The low-coagulation diesel oil of good security, and at the same time can be with the simultaneous high-quality naphtha for producing part low-sulfur, low nitrogen, Gao Fangqian.
The purpose of gasoline and diesel hydrogenation modification mainly carries out desulfurization, denitrogenation, deoxidation, alkene saturation, aromatic hydrocarbons saturation to oil product
So that removing metal and asphaltenic contaminants etc., have reached smell, color and the stability for improving oil product, have prevented from corroding, further carry
The quality of high oil product, meets requirement of the environmental protection to oil product.
Gasoline and diesel hydrogenation modifying process is what is desired is that a kind of special circulating hydrogen compressor.We retrieved State Intellectual
Property right board web (www.sipo.gov.cn), only sees Chinese patent 201521077307.8 and reported《A kind of crude benzole hydrogenation
Circulating hydrogen compressor in production technology》, and it be related to be only compressor outside the problem of connecing and fixing, not
It is related to the structure of compressor in itself.Thus, how to have no to compressor function in itself and suitable for catalytic reforming process
Reference value.
Chinese patent application case 200810161543.6 discloses《A kind of circulating hydrogen compressor of hydrocarbon hydrogenation device drivetrain
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 which suitable for gasoline and diesel hydrogenation modifying process, we must the designed, designed circulation hydrogen compressed new with creation
Machine.
Utility model content
The utility model is to meet the particular/special requirement of gasoline and diesel hydrogenation modifying process, seeks a kind of gasoline and diesel hydrogenation and changes
Matter device centrifugal compressor, i.e., a kind of special circulating hydrogen compressor.
The gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model, including stator group part, rotor group part, bearing
Group portion and dry gas seals four are most of, and wherein stator pack includes cylinder body, end cap, partition plate, sealing；Rotor set include impeller, main shaft,
Spacer, balancing frame, thrust disc, nut, adjusting pad, stopper ring；Bearing group includes two spring bearings and a thrust bearing；It is dry
Hermetic seal has oneself independent control unit and system, including body and control two large divisions；It is characterized in that：
(1) compressor uses vertical subdivision structure；
(2) partition plate fits together to form partition plate beam, and the diffuser between partition plate and partition plate uses vaneless diffuser；
(3) spread pattern of the impeller on main shaft is in-line arrangement, and impeller number is 6~8, a diameter of 400mm；
(4) between two adjacent impellers, the blade setting of the latter impeller is inclined relative to the blade of previous impeller
Turn certain angle.
(5) spring bearing uses tilting-pad bearing；
(6) thrust bearing uses Jin Sibaileishi structures, and the both sides of thrust bearing use identical structure；
(7) dry gas seals are installed on the both ends of compressor, are provided with independent control system.
The gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model, described two impellers adjacent in impeller
Between, the blade of the latter impeller is set relative to 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 is 5~30 degree for radial blade, the leaf used for circulating hydrogen compressor
Wheel blade sheet form is backward leaning vane, and deviation angle is about 10 degree.
The gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model, arrangement shape of the described impeller on main shaft
Formula is in-line arrangement, and balancing frame can effectively reduce the axial thrust that gas produces rotor, make the whole series in the arrangement form of side
Unit operation is more steady.
The gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model, described spring bearing and thrust bearing,
Spring bearing plays the role of support to the rotor of compressor, supports the size of span and has conclusive work to the performance of compressor
With thrust bearing is for balancing axial thrust caused by compressor drum, to ensure the even running of compressor.
Brief description of the drawings
Fig. 1 is the overall profile of the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model；
Fig. 2 is the stator pack profile of the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model；
Fig. 3 is the rotor figure of the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model；
Embodiment
The gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model is made further below in conjunction with the accompanying drawings
Bright and supplement.
As shown in Figure 1, the gasoline and diesel hydrogenation modifying apparatus of the utility model with centrifugal compressor include 1 stator group part, 2 turns
Subgroup portion, 3 bearing group portions, 4 dry gas seals groups four group portion greatly.
Fig. 2 show the stator pack profile of the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model, fixed
Subgroup portion is sealed including 11 cylinder bodies, 12 left end caps, 13 right end caps, 14 partition plates, 15 into air duct, 16 chimney fans, 17.By compressor
The partition plate of upper and lower subdivision is joined together to form partition board portion 14, the fastening of 11 two side ends cover bolt of cylinder by stay-bolt.Will
Partition board portion is installed in cylinder 11 by partition plate specific purpose tool, and left end cap 12 and right end cap 13 are being passed through bolt and cylinder 11
Close, be welded with below cylinder into air duct 15 and chimney fan 16, some other part is formed completely installed in end cap in order
Stator pack 1.
Fig. 3 show the rotor figure of the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor of the utility model, this practicality is new
Impeller 21 on type rotor is determined according to being sequentially arranged at as shown in the figure on main shaft 22 between impeller and impeller by spacer 23
Position, 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
Thrust disc 27, adjusting pad 28 and stopper ring 29 are installed on main shaft 22 and form complete rotor set by rotor figure.
Our gasoline and diesel hydrogenation modifying apparatus centrifugal compressors by specific embodiment to the utility model below
Parameter be further described.
1 gasoline hydrogenation modifying device centrifugal compressor of embodiment
The present embodiment 1 is six grades of centrifugal compressors, six impeller in-line arrangements, and impeller uses binary double shrouded wheel, a diameter of 400
Millimeter, its blade use swept-back structure；Diffuser uses vaneless diffuser.Steam condition is possessed according to user's field condition,
So embodiment uses Steam Turbine Driven.
2 gasoline hydrogenation modifying device centrifugal compressor of embodiment
The present embodiment 2 is eight grades of centrifugal compressors, eight impeller in-line arrangements, and impeller uses binary double shrouded wheel, the milli of diameter 400
Rice, its blade use rear kinking structure, 15 degree are deflected between the blade of front and rear two impeller；Using vaneless diffuser.This embodiment
User scene does not possess steam condition, so set reformer connects the form that gear-box connects compressor using motor.
3 diesel oil hydrogenation modification device centrifugal compressor of embodiment
The present embodiment 3 is seven grades of centrifugal compressors, seven impeller in-line arrangements, and impeller uses binary double shrouded wheel, the milli of diameter 400
Rice, its blade use swept-back structure；Diffuser uses vaneless diffuser.Steam condition is possessed according to user's field condition, therefore
This embodiment uses Steam Turbine Driven.
4 diesel oil hydrogenation modification device centrifugal compressor of embodiment
The present embodiment 4 is eight grades of centrifugal compressors, and impeller uses binary double shrouded wheel, 400 millimeters of diameter, its blade uses
Kinking structure afterwards, using vaneless diffuser.This embodiment user scene does not possess steam condition, so what set modifying apparatus used
It is that motor connects the form that gear-box connects compressor.
Above-mentioned each scheme is the gasoline and diesel hydrogenation modifying apparatus circulating hydrogen compressor for different user scene operations
Embodiment, required according to the difference of a whole set of gasoline and diesel hydrogenation modifying apparatus technique, used in gasoline and diesel hydrogenation modifying apparatus
The type selecting structure of drive form and compressor is all different, and above-mentioned each scheme is the vapour bavin for different user scene operations
The embodiment of oily hydro-upgrading unit centrifugal compressor, the utility model does not limit to aforementioned four embodiment, for ability
For the technical staff in domain, the form of the utility model can do corresponding change and modification, every spirit in the utility model
With the change and modification within principle, it is regarded as within the scope of the claim comprising the utility model.
Claims (4)
1. a kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor, including stator group part, rotor group part, bearing group portion and dry gas
Sealing four is most of, and wherein stator pack includes cylinder body, end cap, partition plate, sealing；Rotor set includes impeller, main shaft, spacer, balance
Disk, thrust disc, nut, adjusting pad, stopper ring；Bearing group includes two spring bearings and a thrust bearing；Dry gas seals have
Oneself independent control unit and system, including body and control two large divisions, it is characterised in that：
(1) compressor uses vertical subdivision structure；
(2) partition plate fits together to form partition plate beam, and the diffuser between partition plate and partition plate uses vaneless diffuser；
(3) spread pattern of the impeller on main shaft is in-line arrangement, and impeller number is 6~8, a diameter of 400mm；
(4) between two adjacent impellers, the blade of the latter impeller sets the blade deflection one relative to previous impeller
Fixed angle；
(5) spring bearing uses tilting-pad bearing；
(6) thrust bearing uses Jin Sibaileishi structures, and the both sides of thrust bearing use identical structure；
(7) dry gas seals are installed on the both ends of compressor, are provided with independent control system.
2. the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor as described in claim 1, it is characterised in that described adjacent
Two impellers between, the blade of the latter impeller is set relative to the certain angle of the blade deflection of previous impeller, for
Backward leaning vane is：5~15 degree.
3. the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor as described in claim 1, it is characterised in that described adjacent
Two impellers between, the blade of the latter impeller is set relative to the certain angle of the blade deflection of previous impeller, for
Forward curved vane is：5~15 degree.
4. the gasoline and diesel hydrogenation modifying apparatus centrifugal compressor as described in claim 1, it is characterised in that described adjacent
Two impellers between, the blade of the latter impeller is set relative to the certain angle of the blade deflection of previous impeller, for
Radial blade is 5~30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197592.6U CN207349129U (en) | 2017-09-19 | 2017-09-19 | A kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197592.6U CN207349129U (en) | 2017-09-19 | 2017-09-19 | A kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor |
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| Publication Number | Publication Date |
|---|---|
| CN207349129U true CN207349129U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721197592.6U Active CN207349129U (en) | 2017-09-19 | 2017-09-19 | A kind of gasoline and diesel hydrogenation modifying apparatus centrifugal compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829957A (en) * | 2017-10-26 | 2018-03-23 | 沈阳斯特机械制造有限公司 | A kind of heavy oil hydrogenation equipment centrifugal compressor |
| CN110748493A (en) * | 2018-07-23 | 2020-02-04 | 沈阳斯特机械制造有限公司 | Centrifugal compressor for diesel oil hydrogenation modification device |
-
2017
- 2017-09-19 CN CN201721197592.6U patent/CN207349129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829957A (en) * | 2017-10-26 | 2018-03-23 | 沈阳斯特机械制造有限公司 | A kind of heavy oil hydrogenation equipment centrifugal compressor |
| CN110748493A (en) * | 2018-07-23 | 2020-02-04 | 沈阳斯特机械制造有限公司 | Centrifugal compressor for diesel oil hydrogenation modification device |
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Effective date of registration: 20210118 Granted publication date: 20180511 |
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