CN106194784A - A kind of steam compressor - Google Patents
A kind of steam compressor Download PDFInfo
- Publication number
- CN106194784A CN106194784A CN201610794401.8A CN201610794401A CN106194784A CN 106194784 A CN106194784 A CN 106194784A CN 201610794401 A CN201610794401 A CN 201610794401A CN 106194784 A CN106194784 A CN 106194784A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- transition case
- case
- sealing ring
- dividing plate
- 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.)
- Granted
Links
Classifications
-
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/056—Bearings
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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
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
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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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
-
- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of steam compressor.Mainly solving existing vapour compression machine, to there is sealing poor, causes the emulsification of lubricant in transition case or pollutes the steam of spiral case, causing the problem that equipment breaks down.Including pedestal, motor, shell, spiral case, transition case and main shaft, dividing plate it is provided with between shell and spiral case, main shaft runs through transition case and is connected with sharf through dividing plate, it is provided with cavity volume between dividing plate and transition case, being provided with sealing ring between dividing plate and transition case, and sealing ring is sheathed on outside main shaft, sealing ring both ends of the surface match with dividing plate, transition case respectively, sealing ring is provided with between the first helicla flute and the second helicla flute, and sealing ring and transition case formation and seals cavity.This steam compressor uses and seals structure, solves the spiral case of compressor, the leakage problem of transition case, is effectively improved production efficiency, it is to avoid the emulsification of lubricant in transition case, and the steam placed in spiral case is contaminated by greasy dirt, noble gas or the leakage of poisonous inflammable gas.
Description
Technical field
The present invention relates to a kind of both vapor compression apparatus field, particularly relate to a kind of steam compressor.
Background technology
The evaporation of chemical industry, distill, concentrate, crystallize, be dried etc. in chemical process unit, due to system in running
The secondary saturated vapor that self produces, traditional way is to utilize multi-effect evaporation system to solve steam recycling problem, but traditional
Plant area area is relatively big, system thermal loss is higher, one-time investment is bigger than normal and pipe-line system is complicated and maintenance cost relatively
Height, domestic have more than more than 10 enterprises at present and is developing, producing as a trial and produce in batches, in the past with the steam abroad taken as the leading factor again
Compress technique, has had the trend progressively replaced by the vapour compression machine of domestic autonomous production.
In a large amount of cases, the stability of compressor operating is the most concerned problem of client.Jie that vapour compression machine is compressed
Matter is water vapour, and steam belongs to new medium within the compressor as medium, and all parts of compressor is required for water
Physical property is revised, and otherwise will directly affect the life-span of compressor.Sealing between impeller and axle typically uses dry gas seals, steam
As blanket gas, although dry gas seals can stop in spiral case that most of water vapor is revealed but had and leak into transition case on a small quantity,
Emulsification of lubricant or lubricating oil is caused to enter spiral case contaminant water steam.Of long duration cause disorderly closedown.Meeting when leaking serious
Causing compressor efficiency to decline, device parameter cannot be up to standard.
Summary of the invention
In order to overcome shortcoming and the weak point of background technology, the present invention provides a kind of steam compressor, solves existing steaming
It is poor to there is sealing in vapour compressor, causes the emulsification of lubricant in transition case or pollutes the steam of spiral case, causing equipment to go out
Existing fault, and efficiency can be caused to decline, the technical problem that device parameter cannot be up to standard.
The technical scheme is that a kind of steam compressor, including pedestal, motor, shell, spiral case, transition case and
Main shaft, described transition case is positioned at shell, is provided with blade and sharf in described spiral case, be provided with between described shell and spiral case every
Plate, described main shaft runs through transition case and is connected with sharf through dividing plate, being provided with cavity volume, institute between described dividing plate and transition case
State shell and be provided with the passage communicated with cavity volume, between described dividing plate and transition case, be provided with sealing ring, and described sealing snare
Being located at outside main shaft, the end face of described sealing ring matches with the surface of dividing plate, matches with the surface of transition case in other end,
Matching with main shaft side in the inner of described sealing ring, the surface that described sealing ring matches with dividing plate is provided with the first spiral
Groove, the surface that described sealing ring and transition case fit is provided with the second helicla flute, and the surface of described sealing ring and transition case
Between formed seal cavity, described first spiral fluted outer end communicates with cavity volume, after steam is passed through cavity volume by passage
Entering the first helicla flute, noble gas is entered by the second helicla flute and seals cavity.
Being provided with lubricating structure in described transition case, described lubricating structure includes negative pressure rotating disk, described negative pressure rotating disk set
Being located at outside main shaft, described main axis drives negative pressure rotating disk to rotate and produce negative pressure, is provided with oil circuit at described negative pressure rotating disk
Runner, lubricating oil towards flowing inside main shaft and flows to main shaft surface from oil circuit runner by pressure rotating disk negative pressure.
Sealing structure it is provided with between described main shaft and transition case.
Being provided with bearing in described transition case, described bearing holder (housing, cover) is located at outside main shaft, and the bearing in described transition case is externally provided with fixed
Position set, is provided with vibration damping sheet between described positioning sleeve and bearing, described bearing is located in vibration damping sheet.
Described main shaft is connected by flexible link with motor.
The method have the advantages that this steam compressor uses and seal structure, solve the spiral case of compressor, transition
The leakage problem of case, good seal performance, it is effectively improved production efficiency, it is to avoid the emulsification of lubricant in transition case, places in spiral case
Steam contaminated by greasy dirt, noble gas or the leakage of poisonous inflammable gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic enlarged-scale view in the present invention at A.
Fig. 3 is the structural representation of sealing ring in the present invention.
In figure, pedestal 1, motor 2, shell 3, spiral case 4, transition case 5, main shaft 6, blade 7, sharf 8, dividing plate 9, cavity volume
10, passage 11, sealing ring 12, the first helicla flute 13, the second helicla flute 14, seal cavity 15, negative pressure rotating disk 16, oil circuit stream
Road 17, seals structure 18, bearing 19, positioning sleeve 20, shock ring 21, flexible link 22.
Detailed description of the invention
Below for accompanying drawing, embodiments of the invention are described further:
As it can be seen, a kind of steam compressor, including pedestal 1, motor 2, shell 3, spiral case 4, transition case 5 and main shaft 6,
Described transition case 5 is positioned at shell 3, is provided with blade 7 and sharf 8, is provided with between described shell 3 and spiral case in described spiral case 4
Dividing plate 9, described main shaft 6 runs through transition case 5 and is connected with sharf 8 through dividing plate 9, setting between described dividing plate 8 and transition case 5
There are cavity volume 10, described shell 3 to be provided with the passage 11 communicated with cavity volume 10, between described dividing plate 9 and transition case 5, are provided with sealing
Enclosing 12, and described sealing ring 12 is sheathed on outside main shaft 6, the end face of described sealing ring 12 matches with the surface of dividing plate 9, another
End face matches with the surface of transition case 5, matches with main shaft 6 side in the inner of described sealing ring 12, described sealing ring 12 with
The surface that dividing plate 9 matches is provided with the first helicla flute 13, and the surface that described sealing ring 12 and transition case 5 fit is provided with
Two helicla flutes 14, and between the surface of described sealing ring 12 and transition case 5, form sealing cavity 15, described first helicla flute 13
Outer end communicate with cavity volume 10, steam by passage 11 be passed through cavity volume 10 after enter the first helicla flute 13, noble gas lead to
Cross the second helicla flute 14 and enter sealing cavity 16.Steam enters after the first helicla flute produces water and forms first between dividing plate
Sealing, noble gas enters sealing cavity 16 by the second helicla flute 14 and forms second sealing.This steam compressor uses close
Seal structure, solves the spiral case of compressor, the leakage problem of transition case, good seal performance, is effectively improved production efficiency, it is to avoid transition
Emulsification of lubricant in case, the steam placed in spiral case is contaminated by greasy dirt, noble gas or the leakage of poisonous inflammable gas.
In the present invention, being provided with lubricating structure in described transition case 5, described lubricating structure includes negative pressure rotating disk 16, institute
Stating negative pressure rotating disk 16 to be sheathed on outside main shaft 6, described main shaft 6 rotates and drives negative pressure rotating disk 16 to rotate and produce vacuum, described
Being provided with oil circuit runner 17 at negative pressure rotating disk 16, lubricating oil is flowed and from oil inside main shaft 6 by pressure rotating disk 16 negative pressure
Road runner 17 flows to main shaft 6 surface.Main shaft drives negative pressure rotating disk to rotate, and produces the negative-pressure vacuum towards main shaft surface direction,
Lubricating oil is made to flow to main shaft 6 surface through oil circuit runner, to play the purpose of lubrication, high lubricating effect, improves compressor
Service behaviour.
In the present invention, sealing structure 18 it is provided with between described main shaft 6 and transition case 5.By main shaft and transition case it
Between sealing structure is set, prevent lubricating oil in transition case from entering spiral case.
In the present invention, being provided with bearing 19 in described transition case 5, described bearing 19 is sheathed on outside main shaft 6, described transition case
Interior bearing 19 is externally provided with positioning sleeve 20, is provided with vibration damping sheet 21 between described positioning sleeve 20 and bearing 19, and described bearing 19 is located at
In vibration damping sheet 21.By arranging vibration damping sheet, it is possible to effectively reduce vibrating effect, improve stationarity and the stability of compressor.
In the present invention, described main shaft 6 is connected by flexible link 22 with motor 2.By arranging flexible connection structure, carry
The transmission effect of high motor so that main axis stationarity improves.
Claims (5)
1. a steam compressor, including pedestal (1), motor (2), shell (3), spiral case (4), transition case (5) and main shaft
(6), described transition case (5) is positioned at shell (3), is provided with blade (7) and sharf (8), described shell in described spiral case (4)
(3) and being provided with dividing plate (9) between spiral case, described main shaft (6) runs through transition case (5) and is connected with sharf (8) through dividing plate (9)
Connect, it is characterised in that: being provided with cavity volume (10) between described dividing plate (8) and transition case (5), described shell (3) is provided with and cavity volume
(10) passage (11) communicated, is provided with sealing ring (12), and described sealing ring between described dividing plate (9) and transition case (5)
(12) being sheathed on main shaft (6) outward, the end face of described sealing ring (12) matches with the surface of dividing plate (9), other end and mistake
Matching in the surface crossing case (5), matches with main shaft (6) side in the inner of described sealing ring (12), described sealing ring (12) with
The surface that dividing plate (9) matches is provided with the first helicla flute (13), the surface that described sealing ring (12) and transition case (5) fit
Place is provided with between the second helicla flute (14), and the surface of described sealing ring (12) and transition case (5) formation and seals cavity (15),
The outer end of described first helicla flute (13) communicates with cavity volume (10), and steam is passed through cavity volume (10) by passage (11) and enters afterwards
First helicla flute (13), noble gas is entered by the second helicla flute (14) and seals cavity (15).
A kind of steam compressor the most according to claim 1, it is characterised in that: it is provided with lubricating machine in described transition case (5)
Structure, described lubricating structure includes that negative pressure rotating disk (16), described negative pressure rotating disk (16) are sheathed on main shaft (6) outward, described main shaft
(6) rotating drive negative pressure rotating disk (16) and rotate and produce negative pressure, described negative pressure rotating disk (16) place is provided with oil circuit runner (17),
Lubricating oil towards the flowing of main shaft (6) inner side and flows to main shaft (6) surface from oil circuit runner (17) by pressure rotating disk (16) negative pressure.
A kind of steam compressor the most according to claim 1, it is characterised in that: between described main shaft (6) and transition case (5)
It is provided with sealing structure (18).
A kind of steam compressor the most according to claim 1, it is characterised in that: it is provided with bearing in described transition case (5)
(19), described bearing (19) is sheathed on main shaft (6) outward, and the bearing (19) in described transition case is externally provided with positioning sleeve (20), described
Being provided with vibration damping sheet (21) between positioning sleeve (20) and bearing (19), described bearing (19) is located in vibration damping sheet (21).
A kind of steam compressor the most according to claim 1, it is characterised in that: described main shaft (6) and motor (2) are by soft
Connector (22) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794401.8A CN106194784B (en) | 2016-08-31 | 2016-08-31 | A kind of steam compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794401.8A CN106194784B (en) | 2016-08-31 | 2016-08-31 | A kind of steam compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194784A true CN106194784A (en) | 2016-12-07 |
| CN106194784B CN106194784B (en) | 2018-10-19 |
Family
ID=58086298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610794401.8A Active CN106194784B (en) | 2016-08-31 | 2016-08-31 | A kind of steam compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194784B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03121294A (en) * | 1989-09-25 | 1991-05-23 | Carrier Corp | Shiled device for centrifugal compressor and seal pressurizing method |
| CN202065202U (en) * | 2010-12-20 | 2011-12-07 | 重庆建峰工业集团有限公司 | Benfield steam centrifugal compressor |
| CN102536856A (en) * | 2010-12-15 | 2012-07-04 | 南通大通宝富风机有限公司 | Pressurized coal gas blower |
| CN202946433U (en) * | 2012-10-23 | 2013-05-22 | 湖北双剑鼓风机股份有限公司 | Sealing device of temperature-resistant and anti-corrosive ventilation fan |
| CN105090064A (en) * | 2015-08-04 | 2015-11-25 | 姜广义 | High-speed directly connected water vapor compressor |
| CN205423287U (en) * | 2015-12-23 | 2016-08-03 | 三一环保科技有限公司 | Atmoseal structure and vapor compressor thereof |
| CN206017189U (en) * | 2016-08-31 | 2017-03-15 | 浙江中机环保科技股份有限公司 | A kind of steam compressor |
-
2016
- 2016-08-31 CN CN201610794401.8A patent/CN106194784B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03121294A (en) * | 1989-09-25 | 1991-05-23 | Carrier Corp | Shiled device for centrifugal compressor and seal pressurizing method |
| CN102536856A (en) * | 2010-12-15 | 2012-07-04 | 南通大通宝富风机有限公司 | Pressurized coal gas blower |
| CN202065202U (en) * | 2010-12-20 | 2011-12-07 | 重庆建峰工业集团有限公司 | Benfield steam centrifugal compressor |
| CN202946433U (en) * | 2012-10-23 | 2013-05-22 | 湖北双剑鼓风机股份有限公司 | Sealing device of temperature-resistant and anti-corrosive ventilation fan |
| CN105090064A (en) * | 2015-08-04 | 2015-11-25 | 姜广义 | High-speed directly connected water vapor compressor |
| CN205423287U (en) * | 2015-12-23 | 2016-08-03 | 三一环保科技有限公司 | Atmoseal structure and vapor compressor thereof |
| CN206017189U (en) * | 2016-08-31 | 2017-03-15 | 浙江中机环保科技股份有限公司 | A kind of steam compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194784B (en) | 2018-10-19 |
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