CN106194784B - A kind of steam compressor - Google Patents
A kind of steam compressor Download PDFInfo
- Publication number
- CN106194784B CN106194784B CN201610794401.8A CN201610794401A CN106194784B CN 106194784 B CN106194784 B CN 106194784B CN 201610794401 A CN201610794401 A CN 201610794401A CN 106194784 B CN106194784 B CN 106194784B
- Authority
- CN
- China
- Prior art keywords
- main shaft
- transition case
- case
- sealing ring
- partition board
- 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.)
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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
- 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
Abstract
The present invention relates to a kind of steam compressors.Mainly solve existing vapour compression machine there are leakproofness it is poor, the problem of leading to the emulsification of lubricant in transition case or pollute the vapor of spiral case, equipment is caused to break down.Including pedestal, motor, shell, spiral case, transition case and main shaft, partition board is equipped between shell and spiral case, main shaft with sharf is connected through transition case and across partition board, vessel is equipped between partition board and transition case, sealing ring is equipped between partition board and transition case, and sealing ring is sheathed on outside main shaft, sealing ring both ends of the surface are matched with partition board, transition case respectively, sealing ring is equipped with the first helicla flute and the second helicla flute, and forms seal cavity between sealing ring and transition case.The steam compressor uses sealing structure, solves the spiral case of compressor, the leakage problem of transition case, effectively improves production efficiency, avoids the emulsification of lubricant in transition case, places the vapor in spiral case by oily pollution, the leakage of noble gas or toxic inflammable gas.
Description
Technical field
The present invention relates to a kind of both vapor compression apparatus field more particularly to a kind of steam compressors.
Background technology
In the chemical processes unit such as evaporation, distillation, concentration, crystallization, drying of chemical industry, due to system in operational process
The secondary saturated vapor that itself is generated, traditional method are to solve the problems, such as steam recycling, but tradition using multi-effect evaporation system
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, it is domestic to have more than 10 or more enterprises at present in development, trial production and batch production, in the past with external for leading steam again
Compress technique, the trend that there is the vapour compression machine by domestic autonomous production gradually to replace.
The stability of compressor operating is the most concerned problem of client in a large amount of cases.Jie that vapour compression machine is compressed
Matter is water vapour, and vapor belongs to new medium as medium within the compressor, and all parts of compressor are needed for water
Physical property is changed, and the service life of compressor otherwise will be directly affected.Sealing between impeller and axis generally uses dry gas seals, vapor
As blanket gas, although dry gas seals can stop that most of water vapor is revealed but has and leak into transition case on a small quantity in spiral case,
Emulsification of lubricant or lubricating oil is caused to enter spiral case pollution water vapour.Disorderly closedown is caused over time.Meeting when leaking serious
Compressor efficiency is caused to decline, device parameter can not be up to standard.
Invention content
The shortcomings that in order to overcome background technology and shortcoming, the present invention provide a kind of steam compressor, solve existing steaming
That there are leakproofness is poor for vapour compressor, leads to the emulsification of lubricant in transition case or pollutes the vapor of spiral case, equipment is caused to go out
Existing failure, and efficiency can be caused to decline, the technical problem that device parameter can not 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, the transition case are located in shell, and blade and sharf are equipped in the spiral case, be equipped between the shell and spiral case every
Plate, the main shaft with sharf are connected through transition case and across partition board, and vessel, institute are equipped between the partition board and transition case
It states shell and is equipped with the venthole communicated with vessel, sealing ring, and the sealing snare are equipped between the partition board and transition case
Outside main shaft, the end face of the sealing ring is matched with the surface of partition board, and other end is matched with the surface of transition case,
The inner end of the sealing ring is matched with main shaft side, and the first spiral is equipped at the sealing ring and the matched surface of partition board
The second helicla flute, and the surface of the sealing ring and transition case are equipped at the surface that slot, the sealing ring and transition case fit
Between form seal cavity, the outer end of first helicla flute is communicated with vessel, after vapor is passed through vessel by venthole
Into the first helicla flute, inert gas enters seal cavity by the second helicla flute.
Lubricating structure is equipped in the transition case, the lubricating structure includes negative pressure rotating disk, the negative pressure rotating disk set
Outside main shaft, the main axis drives negative pressure rotating disk to rotate and generate negative pressure, and oil circuit is equipped at the negative pressure rotating disk
Runner, lubricating oil is by pressing rotating disk negative pressure towards flowing on the inside of main shaft and flowing to main shaft surface from oil circuit runner.
Sealing structure is equipped between the main shaft and transition case.
Bearing is equipped in the transition case, the bearing holder (housing, cover) is set to outside main shaft, and the bearing in the transition case is externally provided with fixed
Position set, is equipped with vibration damping sheet between the positioning sleeve and bearing, the bearing is set in vibration damping sheet.
The main shaft is connected with motor by flexible link.
The invention has the advantages that：The steam compressor uses sealing structure, solves spiral case, the transition of compressor
The leakage problem of case, good seal performance effectively improve production efficiency, avoid the emulsification of lubricant in transition case, place in spiral case
Vapor by oily pollution, the leakage of noble gas or toxic inflammable gas.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic enlarged-scale view at A in the present invention.
Fig. 3 is the structural schematic diagram 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, partition board 9, vessel
10, venthole 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 implementation mode
The embodiment of the present invention is described further below for attached drawing：
As shown, 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, and blade 7 and sharf 8 are equipped in the spiral case 4, is set between the shell 3 and spiral case
Have a partition board 9, the main shaft 6 with sharf 8 is connected through transition case 5 and across partition board 9, the partition board 9 and transition case 5 it
Between be equipped with vessel 10, the shell 3 is equipped with the venthole 11 that is communicated with vessel 10, is equipped between the partition board 9 and transition case 5
Sealing ring 12, and the sealing ring 12 is sheathed on outside main shaft 6, the end face of the sealing ring 12 is matched with the surface of partition board 9,
Other end is matched with the surface of transition case 5, and the inner end of the sealing ring 12 is matched with 6 side of main shaft, the sealing ring
12 with the first helicla flute 13 is equipped at 9 matched surface of partition board, set at the surface that the sealing ring 12 fits with transition case 5
There is the second helicla flute 14, and forms seal cavity 15, first spiral shell between the surface of the sealing ring 12 and transition case 5
The outer end of spin slot 13 is communicated with vessel 10, and vapor enters the first helicla flute 13, inertia after being passed through vessel 10 by venthole 11
Gas enters seal cavity 16 by the second helicla flute 14.Vapor enters after the first helicla flute generates water to be formed between partition board
First of sealing, inert gas enter seal cavity 16 by the second helicla flute 14 and form second sealing.The steam compressor
Using sealing structure, the spiral case of compressor, the leakage problem of transition case are solved, good seal performance effectively improves production efficiency, keeps away
Exempt from the emulsification of lubricant in transition case, place vapor in spiral case by oily pollution, noble gas or toxic inflammable gas are let out
Leakage.
In the present invention, lubricating structure is equipped in the transition case 5, the lubricating structure includes negative pressure rotating disk 16, institute
It states negative pressure rotating disk 16 to be sheathed on outside main shaft 6, the rotation of the main shaft 6 drives negative pressure rotating disk 16 to rotate and generates vacuum, described
It is equipped with oil circuit runner 17 at negative pressure rotating disk 16, lubricating oil is by pressing 16 negative pressure of rotating disk towards the flowing of the inside of main shaft 6 and from oil
Road runner 17 flows to 6 surface of main shaft.Main shaft drives the rotation of negative pressure rotating disk, generates the negative-pressure vacuum towards main shaft surface direction,
So that lubricating oil flows to 6 surface of main shaft by oil circuit runner, to play the purpose of lubrication, high lubricating effect improves compressor reducer
Working performance.
In the present invention, sealing structure 18 is equipped between the main shaft 6 and transition case 5.By main shaft and transition case it
Between sealing structure is set, prevent the lubricating oil in transition case from entering spiral case.
In the present invention, bearing 19 is equipped in the transition case 5, the bearing 19 is sheathed on outside main shaft 6, the transition
Bearing 19 in case is externally provided with positioning sleeve 20, and vibration damping sheet 21 is equipped between the positioning sleeve 20 and bearing 19, and the bearing 19 is set
In in vibration damping sheet 21.By the way that vibration damping sheet is arranged, vibrating effect can be effectively reduced, the stationarity and stability of compressor reducer are improved.
In the present invention, the main shaft 6 is connected with motor 2 by flexible link 22.By the way that flexible connection structure is arranged, carry
The transmission effect of high motor so that main axis stationarity improves.
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）, the transition case（5）Positioned at shell（3）It is interior, the spiral case（4）It is interior to be equipped with blade（7）And sharf（8）, the shell
（3）Partition board is equipped between spiral case（9）, the main shaft（6）Through transition case（5）And pass through partition board（9）With sharf（8）It is connected
It connects, it is characterised in that：The partition board（9 ）With transition case（5）Between be equipped with vessel（10）, the shell（3）It is equipped with and vessel
（10）The venthole communicated（11）, the partition board（9）With transition case（5）Between be equipped with sealing ring（12）, and the sealing ring
（12）It is sheathed on main shaft（6）Outside, the sealing ring（12）End face and partition board（9）Surface match, other end and mistake
Cross case（5）Surface match, the sealing ring（12）Inner end and main shaft（6）Side matches, the sealing ring（12）With
Partition board（9）The first helicla flute is equipped at matched surface（13）, the sealing ring（12）With transition case（5）The surface to fit
Place is equipped with the second helicla flute（14）, and the sealing ring（12）Surface and transition case（5）Between form seal cavity（15）, institute
State the first helicla flute（13）Outer end and vessel（10）It communicates, vapor passes through venthole（11）It is passed through vessel（10）Enter the afterwards
One helicla flute（13）, inert gas passes through the second helicla flute（14）Into seal cavity（15）.
2. a kind of steam compressor according to claim 1, it is characterised in that：The transition case（5）It is interior to be equipped with lubricating machine
Structure, the lubricating structure include negative pressure rotating disk（16）, the negative pressure rotating disk（16）It is sheathed on main shaft（6）Outside, the main shaft
（6）Rotation drives negative pressure rotating disk（16）Rotate and generate negative pressure, the negative pressure rotating disk（16）Place is equipped with oil circuit runner（17）,
Lubricating oil passes through negative pressure rotating disk（16）Towards main shaft（6）It flows and from oil circuit runner in inside（17）Flow to main shaft（6）Surface.
3. a kind of steam compressor according to claim 1, it is characterised in that：The main shaft（6）With transition case（5）Between
Equipped with sealing structure（18）.
4. a kind of steam compressor according to claim 1, it is characterised in that：The transition case（5）It is interior to be equipped with bearing
（19）, the bearing（19）It is sheathed on main shaft（6）Outside, the bearing in the transition case（19）It is externally provided with positioning sleeve（20）, described
Positioning sleeve（20）With bearing（19）Between be equipped with vibration damping sheet（21）, the bearing（19）Set on vibration damping sheet（21）It is interior.
5. a kind of steam compressor according to claim 1, it is characterised in that：The main shaft（6）With motor（2）By soft
Connector（22）It 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 CN106194784A (en) | 2016-12-07 |
| CN106194784B true 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 |
|---|---|
| CN106194784A (en) | 2016-12-07 |
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