CN113279979A - Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device - Google Patents
Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device Download PDFInfo
- Publication number
- CN113279979A CN113279979A CN202110644488.1A CN202110644488A CN113279979A CN 113279979 A CN113279979 A CN 113279979A CN 202110644488 A CN202110644488 A CN 202110644488A CN 113279979 A CN113279979 A CN 113279979A
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- China
- Prior art keywords
- turbine
- blower
- steam turbine
- phthalic anhydride
- base
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- 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.)
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
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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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
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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 invention relates to a turbine dragging direct-drive single-stage blower device for a phthalic anhydride device, which comprises a blower body, a transmission part, a diaphragm coupling, a turbine, a blower base and a turbine base, wherein the blower body is arranged on the blower base; the steam turbine and the air blower body correspond to each other and are installed on the steam turbine base, the input end of the transmission part is in transmission connection with the steam turbine through a diaphragm coupling, and the output end of the transmission part is in transmission connection with the air blower body. The invention has the advantages that: because the structure of the air blower is directly driven by the steam turbine, the air blower replaces the traditional gear speed increasing unit, the loss of a speed increasing device is avoided, the energy utilization rate is high, the manufacturing precision is high, the adjusting precision is high, the unit vibration is small, the noise is lower than that of the traditional product, the structure is compact, the occupied area is small, the weight is light, the installation is convenient, the resources are utilized to the maximum extent, and the like.
Description
Technical Field
The invention relates to the field of mechanical structures, in particular to a direct-drive single-stage blower driven by a steam turbine for a phthalic anhydride device.
Background
The air blower of the phthalic anhydride device is used for providing air required by the phthalic anhydride device, is key equipment for preparing phthalic anhydride by a naphthalene method, and adopts a multistage high-speed air blower driven by a motor through a speed increasing device in the traditional phthalic anhydride device. The traditional phthalic anhydride device air blower has the advantages of low efficiency, low manufacturing precision, low adjusting precision, higher noise, large occupied area and high maintenance cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a direct-drive single-stage blower driven by a steam turbine for a phthalic anhydride device, and the technical scheme of the invention is as follows:
a turbine dragging direct-drive type single-stage blower device for a phthalic anhydride device comprises a blower body, a transmission part, a diaphragm coupling, a turbine, a blower base and a turbine base, wherein the blower body is installed on the blower base; the steam turbine and the air blower body correspond to each other and are installed on the steam turbine base, the input end of the transmission part is in transmission connection with the steam turbine through a diaphragm coupling, and the output end of the transmission part is in transmission connection with the air blower body.
The blower body comprises an impeller group, a current collector, a volute, a rear side plate and an air seal, wherein the current collector is arranged at the front part of the volute, the rear side plate is arranged at the rear part of the volute, the volute is arranged on a blower base, the impeller group is arranged in the volute, and the impeller group is connected with a transmission shaft of the transmission part through end face teeth.
The rear side plate is provided with two supporting legs, and each supporting leg is supported on a bearing seat.
And an air seal is arranged between the transmission shaft and the rear side plate and adopts a labyrinth seal structure.
The bearing of the transmission part is a tilting pad bearing.
The steam turbine is used as a driving unit, the steam turbine and the transmission part are mutually independent, and torque is transmitted through the diaphragm coupling.
The invention has the advantages that:
(1) the invention is applied to a phthalic anhydride device system, adopts the steam turbine as a prime mover for driving, directly converts the steam energy into the mechanical energy of the main transmission shaft, is different from the traditional steam energy-electric energy-mechanical energy conversion process, reduces the energy loss and utilizes the resources to the maximum extent; and the variable speed adjustment can be realized to meet different working conditions, and the energy-saving effect is obvious compared with the traditional inlet guide vane and valve adjustment.
(2) The invention adopts the structure of the direct-drive air blower of the steam turbine to replace the traditional gear speed increasing unit, has no loss of the speed increasing device, high energy utilization rate, high manufacturing precision, high adjusting precision, small unit vibration, lower noise than the traditional product, compact structure, small occupied area, light weight, convenient installation and maximum resource utilization.
(3) The invention adopts a single-stage blower, has higher efficiency and simple structure than the traditional multi-stage blower.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
Fig. 2 is a top view of fig. 1.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Referring to fig. 1 and 2, the invention relates to a steam turbine dragging direct-drive type single-stage blower device for a phthalic anhydride device, which comprises a blower body 1, a transmission part 2, a diaphragm coupling 3, a steam turbine 4, a blower base 5 and a steam turbine base 14, wherein the blower body 1 is installed on the blower base 5; the steam turbine 4 corresponds to the blower body 1 and is arranged on the steam turbine base 14, the input end of the transmission part 2 is in transmission connection with the steam turbine 4 through the diaphragm coupling 3, and the output end of the transmission part 2 is in transmission connection with the blower body 1. The steam turbine 4 is used as a driving unit, so that the design difficulty of the steam turbine 4 is reduced. The steam turbine 4 and the transmission part 2 are independent of each other, and transmits torque through the diaphragm coupling 3,
the blower body 1 comprises an impeller group 6, a current collector 7, a volute 8, a rear side plate 9 and an air seal 10, wherein the current collector 7 is arranged at the front part of the volute 8, the rear part of the volute is provided with the rear side plate 9, the volute 8 is arranged on a blower base 5, the impeller group 6 (the impeller group 6 adopts a cantilever type structure) is arranged in the volute 8, and the impeller group 6 is connected with a transmission shaft 11 of a transmission part through an end face tooth (the end face tooth structure has a self-centering function and has the characteristics of large bearing torque, high reliability and good installation repeatability).
The rear side plate 9 is provided with two supporting legs 13, and each supporting leg 13 is supported on a bearing seat 12. The supporting legs are only used for positioning during assembly, and the difficulty in mounting the volute is reduced.
An air seal 10 is arranged between the transmission shaft 11 and the rear side plate 9, and the air seal 10 adopts a labyrinth seal structure.
The bearing of the transmission part is a tilting pad bearing.
The working principle of the invention is as follows: steam enters a steam turbine to enable the steam turbine to rotate at a high speed, the steam turbine directly drives an air blower to rotate synchronously through a diaphragm coupling and a transmission part, and the air blower rotating at the high speed compresses air to enter the reactor.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A turbine dragging direct-drive type single-stage blower device for a phthalic anhydride device is characterized by comprising a blower body, a transmission part, a diaphragm coupling, a turbine, a blower base and a turbine base, wherein the blower body is arranged on the blower base; the steam turbine and the air blower body correspond to each other and are installed on the steam turbine base, the input end of the transmission part is in transmission connection with the steam turbine through a diaphragm coupling, and the output end of the transmission part is in transmission connection with the air blower body.
2. The turbine-driven direct-drive single-stage blower device for the phthalic anhydride device as claimed in claim 1, wherein the blower body comprises an impeller set, a current collector, a volute, a rear side plate and a gas seal, the current collector is arranged at the front part of the volute, the rear side plate is arranged at the rear part of the volute, the volute is arranged on a blower base, the impeller set is arranged in the volute, and the impeller set is connected with a transmission shaft of the transmission part through end face teeth.
3. The turbine driven direct drive type single-stage blower device for phthalic anhydride plant according to claim 2, wherein the rear side plate is provided with two support legs, and each support leg is supported on a bearing seat.
4. The turbine-driven direct-drive single-stage blower device for the phthalic anhydride plant according to claim 2 or 3, wherein a gas seal is arranged between the transmission shaft and the rear side plate, and the gas seal adopts a labyrinth seal structure.
5. The turbine driven direct-drive single-stage blower device for phthalic anhydride plant according to claim 4, wherein the bearing of the transmission part is a tilting-pad bearing.
6. The turbine-driven direct-drive single-stage blower device for phthalic anhydride plants according to claim 1, wherein the turbine is a drive unit, and the turbine is independent of the transmission part and transmits torque through a diaphragm coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644488.1A CN113279979A (en) | 2021-06-09 | 2021-06-09 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644488.1A CN113279979A (en) | 2021-06-09 | 2021-06-09 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113279979A true CN113279979A (en) | 2021-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110644488.1A Pending CN113279979A (en) | 2021-06-09 | 2021-06-09 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113279979A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279359A (en) * | 2000-04-13 | 2001-01-10 | 丁震华 | Boosting centrifugal blower for delivering hot gas and its sealing method |
| CN201225315Y (en) * | 2008-07-21 | 2009-04-22 | 江苏兆胜空调有限公司 | High-pressure centrifugal fan |
| CN201246314Y (en) * | 2008-08-22 | 2009-05-27 | 西安嘉能高速动力科技开发有限公司 | Direct connecting type high speed centrifugal air blower |
| CN201650786U (en) * | 2010-04-30 | 2010-11-24 | 石家庄市乐开糖醇技术开发有限公司 | Mechanical secondary steam circulating compressor |
| CN105090064A (en) * | 2015-08-04 | 2015-11-25 | 姜广义 | High-speed directly connected water vapor compressor |
| CN105179269A (en) * | 2015-10-12 | 2015-12-23 | 嘉善县汾湖铸钢厂 | High-pressure centrifugal fan |
| CN107906024A (en) * | 2017-11-06 | 2018-04-13 | 江苏金通灵流体机械科技股份有限公司 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
-
2021
- 2021-06-09 CN CN202110644488.1A patent/CN113279979A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279359A (en) * | 2000-04-13 | 2001-01-10 | 丁震华 | Boosting centrifugal blower for delivering hot gas and its sealing method |
| CN201225315Y (en) * | 2008-07-21 | 2009-04-22 | 江苏兆胜空调有限公司 | High-pressure centrifugal fan |
| CN201246314Y (en) * | 2008-08-22 | 2009-05-27 | 西安嘉能高速动力科技开发有限公司 | Direct connecting type high speed centrifugal air blower |
| CN201650786U (en) * | 2010-04-30 | 2010-11-24 | 石家庄市乐开糖醇技术开发有限公司 | Mechanical secondary steam circulating compressor |
| CN105090064A (en) * | 2015-08-04 | 2015-11-25 | 姜广义 | High-speed directly connected water vapor compressor |
| CN105179269A (en) * | 2015-10-12 | 2015-12-23 | 嘉善县汾湖铸钢厂 | High-pressure centrifugal fan |
| CN107906024A (en) * | 2017-11-06 | 2018-04-13 | 江苏金通灵流体机械科技股份有限公司 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210820 |
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| RJ01 | Rejection of invention patent application after publication |