CN105673525A - Multistage centrifugal chlorine gas compressor - Google Patents
Multistage centrifugal chlorine gas compressor Download PDFInfo
- Publication number
- CN105673525A CN105673525A CN201610129677.4A CN201610129677A CN105673525A CN 105673525 A CN105673525 A CN 105673525A CN 201610129677 A CN201610129677 A CN 201610129677A CN 105673525 A CN105673525 A CN 105673525A
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- CN
- China
- Prior art keywords
- impeller
- compressor
- bearing
- dimensional flow
- multistage centrifugal
- 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.)
- Pending
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
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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
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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
- F04D29/083—Sealings especially 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
- F04D29/286—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors multi-stage rotors
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a multistage centrifugal chlorine gas compressor. A common base is provided with a motor; the motor is connected with a speed increaser through a friction plate-type coupling; the speed increaser is connected with a main shaft of the compressor; two ends of the main shaft are respectively provided with a radial bearing and a thrust bearing; a volute is divided into three sections; and the main shaft between every two sections of the volute is provided with a three-dimensional flow impeller. As the chlorine gas compressor disclosed by the invention is supercharged through three-section and three-stage impellers, the compression ratio is high; through selection and arrangement of a sealing element, gas leakage is stopped, and efficiency is increased; and the multistage centrifugal chlorine gas compressor is suitable for being used as a compressor for compressing and supercharging chlorine gas.
Description
Technical field
What the present invention proposed is the multistage centrifugal formula chlorine compressor of mechanical field.
Background technology
Before the present invention proposes, having a kind of 9300 chlorine compressor patent applications to be suggested, its claim content is as follows:
1, a centrifugal chlorine compressor, is provided with driving machine (2) on common backplane (1), drives machine to be in transmission connection with compressor body (5) by shaft coupling (3) and booster engine (4), and compressor is provided with spiral case (6),
It is characterized in that:
Compressor is three sections of three stage compression, and at cylinder body second design inlet plenum and exhaust chest, compressor main shaft is provided with impeller, and main shaft two ends are placed in bearing, and each impeller is placed between two dividing plates.
Interstage seal it is provided with between every grade of impeller;
Every one-level is one section, is connected with intersegmental cooler between section;
Impeller outlet place forms diffuser-(7) by two ends dividing plate;
Labyrinth seal (8) it is provided with at axle two ends;
Radial watt and thrust shoe are provided with and survey warm resistance;
Axle vibration and axial translation sensor it is provided with in unit inside;
Lead in nitrogen-sealed into nitrogen;
Thrust bearing adopts meter Xie Er type bearing;
Transverse bearing is the tilting-pad bearing that oil nozzle is housed;
Often organizing bearing has two tile fragments to bury the warm resistance of survey underground;
Each impeller and and dividing plate between form runner.
2, the centrifugal chlorine compressor of one according to claim 1, is characterized in that:
Unit is single cylinder three sections of three stage compression, and mark state flow control is at 9300Nm3/ h, inlet pressure control at 0.09MPa, top hole pressure controls at 0.42MPa.
Due to the impeller that the impeller of this patent application is common, so compression ratio is low, mechanical efficiency is low.
Summary of the invention
In order to improve chlorine compressor efficiency, the present invention proposes multistage centrifugal formula chlorine compressor. By adopting, three-dimensional flow impeller and level section are arranged this compressor, solve the technical problem that chlorine compressor flowrate, pressure and efficiency improve.
The scheme that technical solution problem of the present invention adopts is:
Public base is provided with electric motor, by rubbing, chip shaft coupling is connected electric motor with speed-increasing gear, speed-increasing gear is connected with the main shaft of compressor, main shaft two ends are provided with transverse bearing and thrust bearing, thrust bearing adopts meter Xie Er type bearing, transverse bearing is the tilting-pad bearing that oil nozzle is housed, thrust bearing and transverse bearing are arranged in plumer block, exposed space it is provided with between plumer block and spiral case, transverse bearing and thrust bearing are provided with and survey warm resistance, be provided with axle vibration and axial translation sensor in unit inside.Being provided with spiral case in compressor, spiral case is divided into three sections, and every section is one-level, and the main shaft between spiral case section is provided with three-dimensional flow impeller, is provided with dividing plate and water cooler between the section of three-dimensional flow impeller both sides, is provided with inlet mouth and venting port in compressor bottom. Impeller outlet place forms diffuser-by two ends dividing plate, leads to into nitrogen in shaft end seal.
Three-dimensional flow impeller is provided with hub disk, is provided with axis hole in hub disk central position, and hub disk is provided with three-dimensional flow blade, in hub disk side, wheel cap is housed, and is provided with runner between hub disk and wheel cap. Runner import is greater than runner exit.
Positively effect, owing to chlorine compressor of the present invention is by the three sections three grades continuous superchargings of impeller, therefore compression ratio height, by the selection of sealing member and setting, has stopped gas leakage, it is to increase efficiency. Suitable to the compressor application in chlorine compression supercharging.
Accompanying drawing explanation
Fig. 1 is chlorine compressor main body structure iron of the present invention;
Fig. 2 is compressor means schematic diagram of the present invention;
Fig. 3 is blade wheel structure sectional view of the present invention;
Fig. 4 is blade wheel structure front view of the present invention.
In figure,1. main shaft, 2. dividing plate, 2.1. water cooler, the 3. sealing of vegetables tooth, 4. public base, 5. compressor, 6. speed-increasing gear, 7. rub chip shaft coupling, 8. electric motor, 9. three-dimensional flow impeller, 10. axis hole, 11. hub disk, 12. three-dimensional flow blades, 13. wheel caps, 14. runners.
Embodiment
Shown in Fig. 1, type of compressor is horizontally split type.
Public base 4 is provided with electric motor 8, by rubbing, chip shaft coupling 7 is connected electric motor with speed-increasing gear 6, speed-increasing gear is connected with the main shaft 1 of compressor 5, main shaft two ends are provided with transverse bearing and thrust bearing, thrust bearing adopts meter Xie Er type bearing, transverse bearing is the tilting-pad bearing that oil nozzle is housed, thrust bearing and transverse bearing are arranged in plumer block, exposed space it is provided with between plumer block and spiral case, transverse bearing and thrust bearing are provided with and survey warm resistance, be provided with axle vibration and axial translation sensor in unit inside. Being provided with spiral case in compressor, spiral case is divided into three sections, and every section is one-level, and the main shaft between spiral case section is provided with three-dimensional flow impeller 9, is provided with dividing plate 2 and water cooler 2.1 between the section of three-dimensional flow impeller both sides, is provided with inlet mouth and venting port in compressor bottom. Impeller outlet place forms diffuser-by two ends dividing plate, leads to into nitrogen in shaft end seal.
Shown in Fig. 2, three-dimensional flow impeller 9 is provided with hub disk 11, is provided with axis hole 10 in hub disk central position, and hub disk is provided with three-dimensional flow blade 12, in hub disk side, wheel cap 13 is housed, and is provided with runner 14 between hub disk and wheel cap. Runner import is greater than runner exit.
Described three-dimensional flow blade is that three direction air-flows are jointly towards a direction motion.
Third stage impeller adopts oppositely to be installed, and it is placed in the symmetrical position middle with first step impeller and second stage impeller, impeller is milled blade welded construction, material selection NI-CR-MO alloy steel, single impeller first balances, do transient equilibrium more step by step when rotor assembling, its unbalance residual content is less than 8.5 gram per centimeters.
Being equipped with without blade to enlarge pressure device between impeller at different levels, first and second grade of spiral case is rounded section, tangential admission; Three grades, because being limit position, adopt center line air inlet.
Compressor two ends adopt Labyrinth seal add fill, air extraction sealing device, be filled with through dedusting, dried nitrogen. For preventing chlorine pollution lubricating oil, between machine shell and bearing, also it is provided with inflation air seal set.
Feature:
Owing to the raw material of this machine level conveying be severe toxicity gas, and explosive, thus axle head employing can bleeder Labyrinth seal technology, to ensure gas-tight.
Impeller adopts full three-dimensional flow to design, it is to increase mechanical efficiency, save energy.
Owing to have employed direct lubrication, it is to increase the cooling performance of bearing, decrease lubricants capacity and mechanical friction loss. The oil nozzle of this kind of bearing also can play safeguard protection effect when tile fragment scaling loss.
Low pressure severe toxicity chlorine gas can be carried out supercharging by the present invention, for the production process of Chemicals. There is the feature of high-level efficiency, high compression ratio, good airproof performance, safety. Multistage centrifugal formula chlorine compressor complexes are for annual output 7～300,000 tons of chlor-alkali plant conveying chlorine.
The present invention can balance portion axial force, again be convenient to sealing.
The present invention can meet the high strength requirement of impeller under high speed rotating.
The present invention can ensure that unit safety steadily operates.
Claims (4)
1. multistage centrifugal formula chlorine compressor, public base (4) is provided with electric motor (8), by rubbing, chip shaft coupling (7) is connected electric motor with speed-increasing gear (6), speed-increasing gear is connected with the main shaft (1) of compressor (5), main shaft two ends are provided with transverse bearing and thrust bearing, thrust bearing adopts meter Xie Er type bearing, transverse bearing is the tilting-pad bearing that oil nozzle is housed, thrust bearing and transverse bearing are arranged in plumer block, exposed space it is provided with between plumer block and spiral case, transverse bearing and thrust bearing are provided with and survey warm resistance, axle vibration and axial translation sensor it is provided with in unit inside, spiral case it is provided with in compressor, spiral case is divided into three sections, every section is one-level, main shaft between spiral case section is provided with three-dimensional flow impeller (9), dividing plate (2) and water cooler (2.1) it is provided with between the section of three-dimensional flow impeller both sides, inlet mouth and venting port it is provided with in compressor bottom, impeller outlet place forms diffuser-by two ends dividing plate (2), lead in shaft end seal into nitrogen,
It is characterized in that:
Three-dimensional flow impeller (9) is provided with hub disk (11), axis hole (10) it is provided with in hub disk central position, hub disk is provided with three-dimensional flow blade (12), wheel cap (13) is housed in hub disk side, being provided with runner (14) between hub disk and wheel cap, runner import is greater than runner exit;
Described three-dimensional flow blade is that three direction air-flows are jointly towards a direction motion.
2. multistage centrifugal formula chlorine compressor according to claim 1, it is characterized in that: third stage impeller adopts oppositely to be installed, and it is placed in the symmetrical position middle with first step impeller and second stage impeller, impeller is milled blade welded construction, material selection NI-CR-MO alloy steel, single impeller first balances, and does transient equilibrium more step by step when rotor assembling, and its unbalance residual content is less than 8.5 grams-centimetre.
3. multistage centrifugal formula chlorine compressor according to claim 1, is characterized in that: being equipped with without blade to enlarge pressure device between impeller at different levels, first and second grade of spiral case is rounded section, tangential admission; Three grades adopt center line air inlet.
4. multistage centrifugal formula chlorine compressor according to claim 1, is characterized in that: compressor two ends adopt Labyrinth seal (3) add fill, air extraction sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129677.4A CN105673525A (en) | 2016-03-09 | 2016-03-09 | Multistage centrifugal chlorine gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129677.4A CN105673525A (en) | 2016-03-09 | 2016-03-09 | Multistage centrifugal chlorine gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673525A true CN105673525A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610129677.4A Pending CN105673525A (en) | 2016-03-09 | 2016-03-09 | Multistage centrifugal chlorine gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657123A (en) * | 2018-06-28 | 2020-01-07 | 丹佛斯公司 | Sealing device for refrigerant compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1309716A (en) * | 1970-12-15 | 1973-03-14 | Bbc Sulzer Turbomaschinen | Multi-stage radial flow compressors |
| CN2781044Y (en) * | 2004-12-22 | 2006-05-17 | 周国强 | Gearbox multi-stage ammonia turbo-compressor |
| CN201025264Y (en) * | 2006-12-18 | 2008-02-20 | 周国强 | A high-pressure and small-flow chlorine compressor |
| CN202926661U (en) * | 2012-11-21 | 2013-05-08 | 开封黄河空分集团有限公司 | Centrifugal compressor |
| CN104405651A (en) * | 2014-10-14 | 2015-03-11 | 中航黎明锦西化工机械(集团)有限责任公司 | Centrifugal chlorine gas compressor |
-
2016
- 2016-03-09 CN CN201610129677.4A patent/CN105673525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1309716A (en) * | 1970-12-15 | 1973-03-14 | Bbc Sulzer Turbomaschinen | Multi-stage radial flow compressors |
| CN2781044Y (en) * | 2004-12-22 | 2006-05-17 | 周国强 | Gearbox multi-stage ammonia turbo-compressor |
| CN201025264Y (en) * | 2006-12-18 | 2008-02-20 | 周国强 | A high-pressure and small-flow chlorine compressor |
| CN202926661U (en) * | 2012-11-21 | 2013-05-08 | 开封黄河空分集团有限公司 | Centrifugal compressor |
| CN104405651A (en) * | 2014-10-14 | 2015-03-11 | 中航黎明锦西化工机械(集团)有限责任公司 | Centrifugal chlorine gas compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657123A (en) * | 2018-06-28 | 2020-01-07 | 丹佛斯公司 | Sealing device for refrigerant compressor |
| CN110657123B (en) * | 2018-06-28 | 2024-03-26 | 丹佛斯公司 | Sealing device for refrigerant compressor |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |