CN107906024A - A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature - Google Patents
A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature Download PDFInfo
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- CN107906024A CN107906024A CN201711077991.3A CN201711077991A CN107906024A CN 107906024 A CN107906024 A CN 107906024A CN 201711077991 A CN201711077991 A CN 201711077991A CN 107906024 A CN107906024 A CN 107906024A
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- bearing block
- transmission shaft
- fixed
- spiral case
- floating
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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
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- 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
-
- 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
- F04D29/0563—Bearings cartridges
-
- 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
- F04D29/40—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
-
- 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 invention discloses a kind of low-temperature evaporation 2-KLG technique directly to drive vapour compression machine with high temperature,Transmission group,High-speed coupling and high-speed electric expreess locomotive are fixed on the upside of base,Compressor body is connected with transmission group one end,The transmission group other end is connected by high-speed coupling with high-speed electric expreess locomotive to be driven by high-speed electric expreess locomotive,Transmission group includes thrust bearing,Transmission shaft,Floating bearing,Floating end bearing block,Fixed end bearing block and oil sealing,Floating end bearing block and fixed end bearing block are fixed on the upside of base,Transmission shaft one end is rotatably arranged in fixed end bearing block by thrust bearing,The transmission shaft other end is rotatably arranged in floating end bearing block by floating bearing,Transmission shaft one end end is connected with high-speed coupling,Transmission shaft other end end is connected with compressor body,Four groups of oil sealings are arranged on transmission shaft and floating end bearing block and fixed end bearing block connecting portion.Present invention solution vapour compression machine power consumption is big, fluctuation of service problem.
Description
Technical field
The present invention relates to a kind of compressor, a kind of particularly low-temperature evaporation 2-KLG technique directly drives both vapor compression with high temperature
Machine.
Background technology
Important intermediate of the 2-KLG as production of vitamin C, in order to avoid high-temperature heating point during concentration extraction
Solution loses and improves the rate of recovery, need to be by the way of low-temperature evaporation freezing and crystallizing.Due to using low-temperature evaporation, evaporator heat transfer system
Number is smaller, must just be compensated under limited temperature drop by increasing heat exchange area.It is huge since 2-KLG evaporation supplied materials concentration is relatively low
Big evaporation capacity, relatively low heat transfer temperature difference and very low heat transfer coefficient, cause multiple-effect evaporation gross investment huge.
As presently the most energy-saving and environment-friendly evaporation mode, function of mechanical steam recompression is widely used in food, chemical industry, system
The evaporation and concentration in the fields such as medicine.Its basic technical scheme is：By the vapour compression machine of Mechanical Driven, two that evaporator is steamed
Secondary both vapor compression improves its heat content, then come back to as evaporation heat source in evaporator, so as to substantially increase to elevated pressures
The utilization rate of the energy.
Traditional high speed centrifugation vapour compression machine is used as driving device using common motor (1450~3000rpm), warp
Cross that the large gear turn the small gear, realize speedup process.The oil site of step-up gear includes four bearings, point of mesh etc.,
Power consumption is big, and especially in low-temperature evaporation, vapour density is small, and input power is small, and gear-box power consumption accounting is big, the overall effect of compressor
Rate is low.
Chinese patent（CN 105090064 A）Disclose a kind of direct-connected water vapour compressor of high speed, including high-speed electric expreess locomotive,
Water vapour compressor and semi-open connection pedestal.Impeller is fixed in the shaft of high-speed electric expreess locomotive, air-flow of the indirect steam to impeller
Exciting, certainly will be delivered in shaft, while the spiral case of water vapour compressor is connected with the casing of high-speed electric expreess locomotive by coupling pedestal
Integrally, the vibromotive force of spiral case must be delivered on casing by pedestal, drive high-speed electric expreess locomotive vibration, cause high-speed electric expreess locomotive operation not
Stablize.In low-temperature evaporation 2-KLG technique, vapour density is small, and for same evaporation capacity, volume flow is big, compressor
Volume is big and quality weight, but power of motor is small, and compressor is supported on pedestal, pedestal poor rigidity, and compressor stability difference etc. is asked
Topic.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of low-temperature evaporation 2-KLG technique and directly drive vapour pressure with high temperature
Contracting machine, solution vapour compression machine power consumption is big, fluctuation of service problem.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature, it is characterised in that：Include compressor body, transmission
Group, high-speed coupling, high-speed electric expreess locomotive and base, transmission group, high-speed coupling and high-speed electric expreess locomotive are fixed on the upside of base,
Compressor body is connected with transmission group one end, and the transmission group other end is connected by high-speed electric expreess locomotive by high-speed coupling with high-speed electric expreess locomotive
Driving, transmission group include thrust bearing, transmission shaft, floating bearing, floating end bearing block, fixed end bearing block and oil sealing, float
End bearing block and fixed end bearing block are fixed on the upside of base, and transmission shaft one end is rotatably arranged on fixation by thrust bearing
In end bearing block, the transmission shaft other end is rotatably arranged in floating end bearing block by floating bearing, transmission shaft one end end with
High-speed coupling connects, and transmission shaft other end end is connected with compressor body, and four groups of oil sealings are arranged on transmission shaft and floating end
Bearing block and fixed end bearing block connecting portion.
Further, the compressor body includes impeller sets, current collector, spiral case, back side panel and sealing gland, and impeller sets rotate
It is arranged in spiral case and impeller sets is fixed on transmission shaft one end end, spiral case side is provided with air inlet, current collector fixed setting
On volute air-inlet mouth, spiral case opposite side is provided with the opening for installing impeller sets, and back side panel is fixed on opening for spiral case opposite side
At mouthful, sealing gland is arranged on back side panel and transmission shaft connecting portion.
Further, spiral case support is provided with the downside of the spiral case, spiral case support is set perpendicular to spiral case vertical plane, rear side
Back side panel support is fixedly installed on plate, back side panel is supported and fixed on base.
Further, the impeller sets are connected with end part of driving shaft end face by tooth.
Further, the sealing gland uses labyrinth or carbocyclic ring structure.
Compared with prior art, the present invention haing the following advantages and effect：
1st, the present invention is as a result of split box seat, and the sealing gland installed on transmission shaft, oil sealing, bearing are all dissection type knot
Structure, when not tearing compressor head open, replaceable sealing gland, oil sealing, bearing, easy to maintenance.
2nd, the present invention is solved high-speed electric expreess locomotive design bearing hardly possible, turned due to separately being designed using high-speed electric expreess locomotive and compressor
Sub- stability difference problem.
3rd, the present invention substitutes the gear increasing unit of transmission, high-speed electric expreess locomotive is straight due to using high-speed direct-drive compressor arrangement
Drive transmission efficiency and be higher by 20-30 percentage points than traditional gear drive+asynchronous machine efficiency, oil lubrication point is by traditional 5
2 are reduced to, oily internal circulating load reduces 60%, and operating cost lowers, and operation troubles rate declines.
4th, the present invention is independently supported using spiral case, on the basis of weight is directly delivered to, reduces the bearing requirements of base, together
When avoid spiral case vibration effect transmission group vibration.
Brief description of the drawings
Fig. 1 is that a kind of low-temperature evaporation 2-KLG technique of the present invention directly drives the schematic diagram of vapour compression machine with high temperature.
Fig. 2 is that a kind of low-temperature evaporation 2-KLG technique of the present invention directly drives the top view of vapour compression machine with high temperature.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following embodiments are to this hair
Bright explanation and the invention is not limited in following embodiments.
As illustrated in fig. 1 and 2, a kind of low-temperature evaporation 2-KLG technique of the invention directly drives vapour compression machine with high temperature, comprising
Compressor body 1, transmission group 2, high-speed coupling 3, high-speed electric expreess locomotive 4 and base 5, transmission group 2, high-speed coupling 3 and high speed electricity
Machine 4 is fixed at the upside of base 5, and compressor body 1 is connected with 2 one end of transmission group, and 2 other end of transmission group is joined by high speed
Axis device 3 is connected with high-speed electric expreess locomotive 4 and is driven by high-speed electric expreess locomotive 4, and transmission group 2 includes thrust bearing 21, transmission shaft 22, floating bearing
23rd, floating end bearing block 24, fixed end bearing block 25 and oil sealing 26, floating end bearing block 24 and fixed end bearing block 25 are fixed and set
Put and be rotatably arranged in the upside of base 5,22 one end of transmission shaft by thrust bearing 21 in fixed end bearing block 25, transmission shaft 22 is another
One end is rotatably arranged in floating end bearing block 24 by floating bearing 23, and 22 one end end of transmission shaft connects with high-speed coupling 3
Connect, 22 other end end of transmission shaft is connected with compressor body 1, and four groups of oil sealings 26 are arranged on transmission shaft 22 and floating end bearing block
24 and fixed 25 connecting portion of end bearing block.Bearing in transmission group 2 preferentially selects the tilting bush axis that diameter is small, carrying width is narrow
Hold, so as to further reduce bearing power consumption, improve overall efficiency.
High-speed electric expreess locomotive 4 and transmission group 2 are connected by high-speed membrane coupler 3, both are independent, only pass through high-speed membrane coupler
3 transmit moment of torsion, and high-speed electric expreess locomotive 4 is only used as driving unit, reduces 4 design difficulty of high-speed electric expreess locomotive.Compressor body 1 and electricity at a high speed
Machine 4 separately designs, and thoroughly solves the problems, such as high-speed electric expreess locomotive 4 because of the bearing and electric insulation that are brought into water problems.Its high speed electricity
Machine also can be by other equipment replacements, such as steam turbine, gas turbine.
Compressor body 1 includes impeller sets 11, current collector 12, spiral case 13, back side panel 14 and sealing gland 15, and impeller sets 11 rotate
It is arranged in spiral case 13 and impeller sets 11 is fixed on 22 one end end of transmission shaft, 13 side of spiral case is provided with air inlet, current collector
12 are fixed on 13 air inlet of spiral case, and 13 opposite side of spiral case is provided with the opening for installing impeller sets 11, and back side panel 14 is solid
The opening of 13 opposite side of spiral case is scheduled on, sealing gland 15 is arranged on back side panel 14 and 22 connecting portion of transmission shaft.
The downside of spiral case 13 is provided with spiral case support 16, and spiral case support 16 is set perpendicular to 13 vertical plane of spiral case, back side panel 14
On be fixedly installed back side panel support 17, back side panel support 17 is fixed on base 5.1 weight of compressor body is directly transmitted
On the basis of arriving, the position of support leg can also design the outside of spiral case 13 on impeller diameter direction.Back side panel support 17 is used for filling
Timing positioning is used, and reduces the difficulty of installation spiral case.
Impeller sets 11 are connected with 22 end end face of transmission shaft by tooth.Moment of torsion, structure tool are transmitted using end face tooth structure
Make heart function by oneself, and bearing torque is big, and reliability is high, installs reproducible feature.
Sealing gland 15 uses labyrinth or carbocyclic ring structure, while fills steam, avoids air from entering system, fills steam unit and carries certainly
Dynamic regulatory function, when operating mode changes, steam pressure is filled in automatic adjustment, reduces manual operation difficulty, solve fill less and
Overcharge problem.
A kind of low-temperature evaporation 2-KLG technique of the present invention is directly driven vapour compression machine with high temperature and is had the following advantages and effect：
1st, the present invention is as a result of split box seat, and the sealing gland installed on transmission shaft, oil sealing, bearing are all dissection type knot
Structure, when not tearing compressor head open, replaceable sealing gland, oil sealing, bearing, easy to maintenance.
2nd, the present invention is solved high-speed electric expreess locomotive design bearing hardly possible, turned due to separately being designed using high-speed electric expreess locomotive and compressor
Sub- stability difference problem.
3rd, the present invention substitutes the gear increasing unit of transmission, high-speed electric expreess locomotive is straight due to using high-speed direct-drive compressor arrangement
Drive transmission efficiency and be higher by 20-30 percentage points than traditional gear drive+asynchronous machine efficiency, oil lubrication point is by traditional 5
2 are reduced to, oily internal circulating load reduces 60%, and operating cost lowers, and operation troubles rate declines.
4th, the present invention is independently supported using spiral case, on the basis of weight is directly delivered to, reduces the bearing requirements of base, together
When avoid spiral case vibration effect transmission group vibration.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement to described specific embodiment or substitute in a similar way, only
Will without departing from description of the invention content or surmount scope defined in the claims, should all belong to the present invention guarantor
Protect scope.
Claims (5)
1. a kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature, it is characterised in that：Comprising compressor body, pass
Dynamic group, high-speed coupling, high-speed electric expreess locomotive and base, transmission group, high-speed coupling and high-speed electric expreess locomotive are fixed on base
Side, compressor body are connected with transmission group one end, and the transmission group other end is connected by high-speed coupling with high-speed electric expreess locomotive by a high speed
Motor drives, and transmission group includes thrust bearing, transmission shaft, floating bearing, floating end bearing block, fixed end bearing block and oil sealing,
Floating end bearing block and fixed end bearing block are fixed on the upside of base, and transmission shaft one end is rotatably arranged on by thrust bearing
In fixed end bearing block, the transmission shaft other end is rotatably arranged in floating end bearing block by floating bearing, transmission shaft one end end
Portion is connected with high-speed coupling, and transmission shaft other end end is connected with compressor body, and four groups of oil sealings are arranged on transmission shaft with floating
Moved end bearing block and fixed end bearing block connecting portion.
2. a kind of low-temperature evaporation 2-KLG technique described in accordance with the claim 1 directly drives vapour compression machine with high temperature, its feature exists
In：The compressor body includes impeller sets, current collector, spiral case, back side panel and sealing gland, and impeller sets are rotatably arranged in spiral case simultaneously
And impeller sets are fixed on transmission shaft one end end, spiral case side is provided with air inlet, and current collector is fixed on volute air-inlet mouth,
Spiral case opposite side is provided with the opening for installing impeller sets, and back side panel is fixed on the opening of spiral case opposite side, and sealing gland is arranged on
Back side panel and transmission shaft connecting portion.
3. a kind of low-temperature evaporation 2-KLG technique described in accordance with the claim 2 directly drives vapour compression machine with high temperature, its feature exists
In：Spiral case support is provided with the downside of the spiral case, spiral case support sets perpendicular to spiral case vertical plane, is fixedly installed on back side panel
Back side panel supports, and back side panel is supported and fixed on base.
4. a kind of low-temperature evaporation 2-KLG technique described in accordance with the claim 2 directly drives vapour compression machine with high temperature, its feature exists
In：The impeller sets are connected with end part of driving shaft end face by tooth.
5. a kind of low-temperature evaporation 2-KLG technique described in accordance with the claim 2 directly drives vapour compression machine with high temperature, its feature exists
In：The sealing gland uses labyrinth or carbocyclic ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077991.3A CN107906024A (en) | 2017-11-06 | 2017-11-06 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077991.3A CN107906024A (en) | 2017-11-06 | 2017-11-06 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107906024A true CN107906024A (en) | 2018-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077991.3A Pending CN107906024A (en) | 2017-11-06 | 2017-11-06 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
Country Status (1)
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| CN (1) | CN107906024A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953173A (en) * | 2018-08-17 | 2018-12-07 | 江苏金通灵流体机械科技股份有限公司 | Steam Recovery centrifugal compressor and its recovery system in a kind of Distallation systm |
| WO2021082948A1 (en) * | 2019-10-28 | 2021-05-06 | 太仓市宇格明叶环保设备有限公司 | Worm gear cover with improved structure and good sealing structure |
| CN113279979A (en) * | 2021-06-09 | 2021-08-20 | 金通灵科技集团股份有限公司 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
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| CN105179269A (en) * | 2015-10-12 | 2015-12-23 | 嘉善县汾湖铸钢厂 | High-pressure centrifugal fan |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953173A (en) * | 2018-08-17 | 2018-12-07 | 江苏金通灵流体机械科技股份有限公司 | Steam Recovery centrifugal compressor and its recovery system in a kind of Distallation systm |
| WO2021082948A1 (en) * | 2019-10-28 | 2021-05-06 | 太仓市宇格明叶环保设备有限公司 | Worm gear cover with improved structure and good sealing structure |
| CN113279979A (en) * | 2021-06-09 | 2021-08-20 | 金通灵科技集团股份有限公司 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
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Application publication date: 20180413 |