CN206017189U - A kind of steam compressor - Google Patents
A kind of steam compressor Download PDFInfo
- Publication number
- CN206017189U CN206017189U CN201621031445.7U CN201621031445U CN206017189U CN 206017189 U CN206017189 U CN 206017189U CN 201621031445 U CN201621031445 U CN 201621031445U CN 206017189 U CN206017189 U CN 206017189U
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- main shaft
- case
- transition case
- sealing ring
- dividing plate
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Abstract
The utility model is related to a kind of steam compressor.Mainly solve existing vapour compression machine and have that sealing is poor, cause the vapor of the emulsification of lubricant or pollution spiral case in transition case, cause the problem that equipment breaks down.Including pedestal, motor, shell, spiral case, transition case and main shaft, dividing plate is provided between shell and spiral case, main shaft with sharf be connected through transition case and through dividing plate, cavity volume is provided between dividing plate and transition case, sealing ring being provided between dividing plate and transition case, and sealing ring being sheathed on outside main shaft, sealing ring both ends of the surface are engaged with dividing plate, transition case respectively, sealing ring is provided with formation seal cavity between the first helicla flute and the second helicla flute, and sealing ring and transition case.The steam compressor adopts sealing structure, solves spiral case, the leakage problem of transition case of compressor, effectively improves production efficiency, it is to avoid the emulsification of lubricant in transition case, and the vapor that places in spiral case receives oily pollution, the leakage of noble gas or poisonous inflammable gas.
Description
Technical field
The utility model is related to a kind of both vapor compression apparatus field, more particularly to a kind of steam compressor.
Background technology
In the chemical process unit such as the evaporation of chemical industry, distillation, concentration, crystallization, drying, due to system in running
The secondary saturated vapor that itself produces, traditional method are to solve steam using multi-effect evaporation system to recycle problem, but tradition
Installation area is larger, system thermal losses is higher, one-time investment is bigger than normal and pipe-line system is complicated and maintenance cost compared with
Height, the country have more than at present more than 10 enterprises developing, trial production and produce in batches, in the past with external for the steam dominated 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 vapor belongs to new medium within the compressor as medium, and all parts of compressor are needed for water
Physical property is changed, and will otherwise directly affect the life-span of compressor.Sealing between impeller and axle typically adopts dry gas seals, vapor
As blanket gas, although dry gas seals can stop most of water vapor leakage in spiral case but having,
Emulsification of lubricant or lubricating oil is caused to enter spiral case pollution water vapour.Of long duration cause disorderly closedown.Meeting when leaking serious
Compressor efficiency is caused to decline, device parameter cannot be up to standard.
Utility model content
In order to overcome the shortcoming and weak point of background technology, the utility model to provide a kind of steam compressor, solve existing
Poor with the presence of vapour compression machine sealing, cause the vapor of the emulsification of lubricant or pollution spiral case in transition case, cause to set
Standby break down, and efficiency can be caused to decline, the technical problem that device parameter cannot be up to standard.
The technical solution of the utility model is：A kind of steam compressor, including pedestal, motor, shell, spiral case, transition case
And main shaft, the transition case be located inside the shell, be provided with blade and sharf in the spiral case, set between the shell and spiral case
There is dividing plate, the main shaft with sharf be connected through transition case and through dividing plate, and appearance is provided between the dividing plate and transition case
Chamber, the shell are provided with the passage communicated with cavity volume, are provided with sealing ring, and the sealing between the dividing plate and transition case
Outside the main shaft, the end face of the sealing ring is engaged snare with the surface of dividing plate, the surface phase of other end and transition case
Coordinate, the inner of the sealing ring is engaged with main shaft side, is provided with first at the surface that the sealing ring is engaged with dividing plate
Helicla flute, is provided with the second helicla flute, and the surface of the sealing ring and mistake at the surface that the sealing ring is fitted with transition case
Formation seal cavity between case is crossed, the first spiral fluted outer end is communicated with cavity volume, and vapor is passed through appearance by passage
The first helicla flute is entered behind chamber, and inert gas enters seal cavity by the second helicla flute.
Lubricating structure is provided with the transition case, the lubricating structure includes negative pressure rotating disk, the negative pressure rotating disk set
Outside main shaft, the main axis drive negative pressure rotating disk to rotate and produce negative pressure, are provided with oil circuit at the negative pressure rotating disk
Runner, lubricating oil flow towards on the inside of main shaft and flow to main shaft surface from oil circuit runner by pressing rotating disk negative pressure.
Sealing structure is provided between the main shaft and transition case.
Bearing is provided with the transition case, outside main shaft, the bearing in the transition case is externally provided with fixed the bearing holder (housing, cover)
Position set, is provided with vibration damping sheet between the positioning sleeve and bearing, and the bearing is in vibration damping sheet.
The main shaft is connected by flexible link with motor.
The utility model has the advantages that：The steam compressor adopts sealing structure, solve compressor spiral case,
The leakage problem of transition case, good seal performance effectively improve production efficiency, it is to avoid the emulsification of lubricant in transition case, place snail
Vapor in shell receives oily pollution, the leakage of noble gas or poisonous inflammable gas.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic enlarged-scale view in the utility model at A.
Fig. 3 is the structural representation of sealing ring in the utility model.
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, sealing structure 18, bearing 19, positioning sleeve 20, shock ring 21, flexible link 22.
Specific embodiment
Embodiment of the present utility model is described further below for accompanying drawing：
As illustrated, a kind of steam compressor, including pedestal 1, motor 2, shell 3, spiral case 4, transition case 5 and main shaft 6,
The transition case 5 is located in shell 3, is provided with blade 7 and sharf 8, is provided between the shell 3 and spiral case in the spiral case 4
Dividing plate 9, the main shaft 6 with sharf 8 are connected through transition case 5 and through dividing plate 9, are set between the dividing plate 8 and transition case 5
There are cavity volume 10, the shell 3 to be provided with the passage 11 communicated with cavity volume 10, between the dividing plate 9 and transition case 5, be provided with sealing
12 are enclosed, and the sealing ring 12 is sheathed on outside main shaft 6, the end face of the sealing ring 12 is engaged with the surface of dividing plate 9, another
End face is engaged with the surface of transition case 5, and the inner of the sealing ring 12 is engaged with 6 side of main shaft, the sealing ring 12 with
It is provided with the first helicla flute 13 at the surface that dividing plate 9 is engaged, at the surface that the sealing ring 12 is fitted with transition case 5, is provided with the
Two helicla flutes 14, and between the surface of the sealing ring 12 and transition case 5, form seal cavity 15, first helicla flute 13
Outer end communicate with cavity volume 10, vapor enters the first helicla flute 13 after being passed through cavity volume 10 by passage 11, inert gas leads to
Cross the second helicla flute 14 and enter seal cavity 16.Vapor is entered after the first helicla flute produces water and is formed first between dividing plate
Sealing, inert gas enter seal cavity 16 by the second helicla flute 14 and form second sealing.The steam compressor is using close
Seal structure, solves spiral case, the leakage problem of transition case of compressor, and good seal performance effectively improves production efficiency, it is to avoid transition
Emulsification of lubricant in case, the vapor that places in spiral case receive oily pollution, the leakage of noble gas or poisonous inflammable gas.
In the utility model, in the transition case 5, lubricating structure is provided with, the lubricating structure includes negative pressure rotating disk
16, the negative pressure rotating disk 16 is sheathed on outside main shaft 6, and the main shaft 6 is rotated and drives negative pressure rotating disk 16 to rotate and produce vacuum,
Oil circuit runner 17 is provided with the negative pressure rotating disk 16, and lubricating oil flows simultaneously towards on the inside of main shaft 6 by pressing 16 negative pressure of rotating disk
6 surface of main shaft is flowed to from oil circuit runner 17.Main shaft drives negative pressure rotating disk to rotate, and produces true towards the negative pressure of main shaft surface direction
Empty so that lubricating oil flows to 6 surface of main shaft through oil circuit runner, to play the purpose of lubrication, high lubricating effect improves compressor reducer
Service behaviour.
In the utility model, sealing structure 18 between the main shaft 6 and transition case 5, is provided with.By in main shaft and transition
Sealing structure is set between case, prevents the lubricating oil in transition case from entering spiral case.
In the utility model, in the transition case 5, bearing 19 is provided with, the bearing 19 is sheathed on outside main shaft 6, the mistake
The bearing 19 crossed in case is externally provided with positioning sleeve 20, is provided with vibration damping sheet 21, the bearing 19 between the positioning sleeve 20 and bearing 19
In vibration damping sheet 21.By arranging vibration damping sheet, can effectively reduce vibrating effect, improve the stationarity of compressor reducer and stablize
Property.
In the utility model, the main shaft 6 is connected by flexible link 22 with motor 2.By arranging the knot that is flexible coupling
Structure, improves the transmission effect of motor so that main axis stationarity is improved.
Claims (5)
1. 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) are located in shell (3), are provided with blade (7) and sharf (8), the shell in spiral case (4)
(3) dividing plate (9) is provided with and spiral case between, and described main shaft (6) with sharf (8) be connected through transition case (5) and through dividing plate (9)
Connect, it is characterised in that：Cavity volume (10) is provided between dividing plate (9) and transition case (5), and shell (3) are provided with and cavity volume
(10) passage (11) for communicating, is provided with sealing ring (12), and the sealing ring between dividing plate (9) and transition case (5)
(12) main shaft (6) is sheathed on outward, the end face of sealing ring (12) is engaged with the surface of dividing plate (9), other end and mistake
The surface for crossing case (5) is engaged, and the inner of sealing ring (12) is engaged with main shaft (6) side, sealing ring (12) with
The first helicla flute (13), the surface that sealing ring (12) are fitted with transition case (5) is provided with the surface that dividing plate (9) is engaged
Place is provided between the second helicla flute (14), and the surface of the sealing ring (12) and transition case (5) and forms seal cavity (15),
The outer end of the first helicla flute (13) is communicated with cavity volume (10), and vapor is passed through cavity volume (10) by passage (11) and enters afterwards
First helicla flute (13), inert gas enter seal cavity (15) by the second helicla flute (14).
2. a kind of steam compressor according to claim 1, it is characterised in that：Lubricating machine is provided with transition case (5)
Structure, the lubricating structure include that negative pressure rotating disk (16), negative pressure rotating disk (16) are sheathed on main shaft (6) outward, the main shaft
(6) rotate and drive negative pressure rotating disk (16) to rotate and produce negative pressure, negative pressure rotating disk (16) place is provided with oil circuit runner (17),
Lubricating oil flows towards on the inside of main shaft (6) and flows to main shaft (6) surface from oil circuit runner (17) by pressing rotating disk (16) negative pressure.
3. a kind of steam compressor according to claim 1, it is characterised in that：Between main shaft (6) and transition case (5)
It is provided with sealing structure (18).
4. a kind of steam compressor according to claim 1, it is characterised in that：Bearing is provided with transition case (5)
(19), bearing (19) are sheathed on main shaft (6) outward, and the bearing (19) in the transition case is externally provided with positioning sleeve (20), described
Vibration damping sheet (21) is provided between positioning sleeve (20) and bearing (19), and described bearing (19) are in vibration damping sheet (21).
5. a kind of steam compressor according to claim 1, it is characterised in that：Main shaft (6) are with motor (2) by soft
Connector (22) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031445.7U CN206017189U (en) | 2016-08-31 | 2016-08-31 | A kind of steam compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031445.7U CN206017189U (en) | 2016-08-31 | 2016-08-31 | A kind of steam compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017189U true CN206017189U (en) | 2017-03-15 |
Family
ID=58259910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031445.7U Active CN206017189U (en) | 2016-08-31 | 2016-08-31 | A kind of steam compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194784A (en) * | 2016-08-31 | 2016-12-07 | 浙江中机环保科技股份有限公司 | A kind of steam compressor |
-
2016
- 2016-08-31 CN CN201621031445.7U patent/CN206017189U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194784A (en) * | 2016-08-31 | 2016-12-07 | 浙江中机环保科技股份有限公司 | A kind of steam compressor |
| CN106194784B (en) * | 2016-08-31 | 2018-10-19 | 浙江中机环保科技股份有限公司 | A kind of steam compressor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |