CN104019040A - Double-suction high-pressure ratio steam compressor - Google Patents
Double-suction high-pressure ratio steam compressor Download PDFInfo
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- CN104019040A CN104019040A CN201410295766.7A CN201410295766A CN104019040A CN 104019040 A CN104019040 A CN 104019040A CN 201410295766 A CN201410295766 A CN 201410295766A CN 104019040 A CN104019040 A CN 104019040A
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- pressure ratio
- main shaft
- high pressure
- motor
- compression machine
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Abstract
The invention provides a double-suction high-pressure ratio steam compressor. The double-suction high-pressure ratio steam compressor is characterized in that two ternary impellers are arranged on a main shaft in a back-to-back manner, the main shaft is driven to achieve 4000-10000RPM through a speed increasing device, the compressor has a double-time suction flow of a single level compressor, and the high saturation temperature rise is achieved; secondary steam is compressed into high pressure to save energy and cost, internal energy is improved, the continuous circulation of steam energy is realized, and the consumption of primary energy source is reduced. According to the technical scheme, the double-suction high-pressure ratio steam compressor is characterized by comprising a motor and a fan, wherein the motor is connected with the fan, the two ternary impellers are arranged on the main shaft of the fan, the motor is connected with a speed increasing gear box through a coupler, and the speed increasing gear box is connected with the main shaft of the fan through the coupler.
Description
Technical field
The occasion that the present invention relates to the large flow of function of mechanical steam recompression, saturated temperature rise, particularly a kind of double suction enters high pressure ratio vapour compression machine.
Background technique
Vapour compression machine is as the key equipment in whole function of mechanical steam recompression system, and when function of mechanical steam recompression, both vapor compression vaporizer being steamed by mechanically operated compressor, to elevated pressures, increases energy to steam.Generally adopt at present centrifugal blower and centrifugal compressor for large flow vapour compression machine, centrifugal blower, for low compression ratio, is up to ε=1.25 operating mode, below temperature rise 8K, and flow 10-400T/h.The major character of single-stage high-speed centrifugal compressor is the compact Layout of cantilever impeller and compressor and gearbox.Motor, gearbox and compressor are arranged on same base conventionally.Compressor housing adopts casting material.Owing to being greater than the high end of blade speed of 400m/s, impeller is highly stressed, therefore be made up of for example chromium nickel steel of high-quality material or titanium alloy, maximal pressure is than ε=2.5, and temperature rise reaches the operating mode of 30K, flow 5-50T/h.
For pressure ratio ε=2.5 operating mode, temperature rise reaches the operating mode of 30K at present, and the product of flow 50-400T/h is all to adopt two or more blower series connection, or two or more compressor parallel.
Summary of the invention
Cannot reach the requirement of high evaporation amount, high saturated temperature rise for above employing blower and single stage compressor, the present invention proposes a kind of double suction and enter high pressure ratio vapour compression machine, it is arranged on a main shaft back-to-back by two 3 d impellers, drive main shaft to reach 4000-10000RPM by speeder, make compressor there is the double inhalation flow of single stage compressor, reach higher saturated temperature rise; For energy-saving and cost-reducing, secondary steam is compressed to elevated pressures, interior can raising, realizes the lasting circulation of steam energy, reduces the consumption of primary energy.
Concrete technological scheme is as follows:
A kind of double suction enters high pressure ratio vapour compression machine, it is characterized in that: comprise motor, blower fan, motor connecting fan, two 3 d impellers are arranged on blower fan main shaft back-to-back, motor connects step-up gear by coupling, and step-up gear is by coupling connecting fan main shaft.
Preferably, before and after 3 d impeller, both sides are provided with slip ring, and slip ring is fixed on casing.
Preferably, the 3 d impeller left and right sides is provided with guide ring, and guide ring is fixed on casing.
Preferably, blower fan comprises casing, sealing gland, and the upper and lower split type of casing is installed, and is divided into upper casing, lower housing, and blower fan main shaft two ends arrange sealing gland.
Preferably, blower fan main shaft two ends are supported by bearing housing.
Preferably, the layout watt sliding bearing that can incline in bearing housing, tilting-pad bearing adopts 4 tile structures.
Preferably, motor is the motor of rotating speed 1485～3000RPM, reaches 4000～10000RPM through step-up gear rear fan spindle speed.
Preferably, coupling is diaphragm coupling.
Implementation procedure:
1, according to the demand of steam output and saturated temperature rise, calculate flow and the pressure ratio of compressor, shared on two pneumatic runners.
2, two 3 d impellers that go out according to pneumatic design and flow field analysis are arranged on main shaft back-to-back, and casing and Diffuser are welded with stainless steel materials die mould.
3,, on the main shaft of impeller both sides, be furnished with watt sliding bearing that can incline, as rotor high-speed rotary support.
4, tilting-pad bearing adopts 4 tile structures, good stability, and bearing capacity is strong.
5, rotor input end is step-up gear, is connected with rotor by diaphragm coupling, and step-up gear input end is motor, and rotating speed is 1485～3000RPM.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is blower fan structure schematic diagram.
In figure: 1-motor, 2-step-up gear, 3-blower fan, 4-diaphragm coupling, 5-bearing housing, 6-upper casing, 7-guide ring, 8-lower housing, 9-sealing gland, 10-slip ring, 11-3 d impeller, 12-blower fan main shaft.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is overall structure schematic diagram of the present invention, in figure, motor 1, step-up gear 2, blower fan 3 are arranged successively, three's between centers connects by diaphragm coupling 4, on blower fan main shaft 12, bearing housing 5 is arranged in both sides, in bearing housing 5, for watt sliding bearing that can incline, adopt 4 tile structures, good stability, bearing capacity is strong, as rotor high-speed rotary support; Motor 1 adopts the motor of rotating speed 1485～3000RPM, reaches 4000～10000RPM through step-up gear 2 rear fan main shaft 12 rotating speeds.
Fig. 2 is blower fan structure schematic diagram, and blower fan 3 comprises upper casing 6, lower housing 8,3 d impeller 11, slip ring 10, guide ring 7, sealing gland 9; Two 3 d impellers 11 are arranged on blower fan main shaft 12 back-to-back, and 3 d impeller 11 both sides, front and back are provided with slip ring 10, and the left and right sides is provided with guide ring 7, and slip ring 10, guide ring 7 are fixed on casing; The upper and lower split type of casing is installed, and is divided into upper casing 6, lower housing 8, and blower fan main shaft 12 two ends arrange sealing gland 9.
When work, after driving step-up gear 2 speedups by motor 1, make blower fan main shaft 12 High Rotation Speeds, main shaft drives 3 d impeller 11 High Rotation Speeds, and air enters from fan casing import, after 3 d impeller 11 actings improve gas pressure and temperature, give vent to anger through casing, meet consumers' demand.
The present invention is not limited to above-mentioned specific embodiment, and it carries out detailed, exemplary explanation as just example to a kind of form of the present invention.Not deviating from the scope of aim of the present invention, those of ordinary skill in the art can according to above-mentioned specific embodiment by various be equal to replace obtain technological scheme, but these technological schemes all should be included in the scope of claim of the present invention and the scope that is equal within.
Claims (8)
1. a double suction enters high pressure ratio vapour compression machine, it is characterized in that: comprise motor, blower fan, motor connecting fan, two 3 d impellers are arranged on blower fan main shaft back-to-back, motor connects step-up gear by coupling, and step-up gear is by coupling connecting fan main shaft.
2. double suction according to claim 1 enters high pressure ratio vapour compression machine, it is characterized in that: before and after 3 d impeller, both sides are provided with slip ring, and slip ring is fixed on casing.
3. double suction according to claim 2 enters high pressure ratio vapour compression machine, it is characterized in that: the 3 d impeller left and right sides is provided with guide ring, and guide ring is fixed on casing.
4. double suction according to claim 3 enters high pressure ratio vapour compression machine, it is characterized in that: blower fan comprises casing, sealing gland, and the upper and lower split type of casing is installed, and is divided into upper casing, lower housing, and blower fan main shaft two ends arrange sealing gland.
5. double suction according to claim 4 enters high pressure ratio vapour compression machine, it is characterized in that: blower fan main shaft two ends are supported by bearing housing.
6. double suction according to claim 5 enters high pressure ratio vapour compression machine, it is characterized in that: the layout watt sliding bearing that can incline in bearing housing, tilting-pad bearing adopts 4 tile structures.
7. double suction according to claim 6 enters high pressure ratio vapour compression machine, it is characterized in that: motor is the motor of rotating speed 1485～3000RPM, reaches 4000～10000RPM through step-up gear rear fan spindle speed.
8. double suction according to claim 7 enters high pressure ratio vapour compression machine, it is characterized in that: coupling is diaphragm coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410295766.7A CN104019040A (en) | 2014-06-26 | 2014-06-26 | Double-suction high-pressure ratio steam compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410295766.7A CN104019040A (en) | 2014-06-26 | 2014-06-26 | Double-suction high-pressure ratio steam compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104019040A true CN104019040A (en) | 2014-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410295766.7A Pending CN104019040A (en) | 2014-06-26 | 2014-06-26 | Double-suction high-pressure ratio steam compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104019040A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2756873Y (en) * | 2004-12-02 | 2006-02-08 | 西安交通大学 | Four grade two section double inlet pre rotary device centrafugal blower |
| CN101514705A (en) * | 2009-03-09 | 2009-08-26 | 杭州振兴工业泵制造有限公司 | Hydrogen chloride compressor |
| CN201335030Y (en) * | 2009-01-14 | 2009-10-28 | 溧阳德维透平机械有限公司 | Centrifugal compressor |
| JP2012072690A (en) * | 2010-09-28 | 2012-04-12 | Kobe Steel Ltd | Compression device |
| CN202628548U (en) * | 2012-03-05 | 2012-12-26 | 河南众力空分设备有限公司 | Integrally assembled centrifugal compressor set with supporting and adjusting devices |
| CN203476740U (en) * | 2013-06-02 | 2014-03-12 | 江苏金通灵流体机械科技股份有限公司 | Double-air-inflow high-speed centrifugal blower |
| CN204003519U (en) * | 2014-06-26 | 2014-12-10 | 江苏金通灵流体机械科技股份有限公司 | Double suction enters high pressure ratio vapour compression machine |
-
2014
- 2014-06-26 CN CN201410295766.7A patent/CN104019040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2756873Y (en) * | 2004-12-02 | 2006-02-08 | 西安交通大学 | Four grade two section double inlet pre rotary device centrafugal blower |
| CN201335030Y (en) * | 2009-01-14 | 2009-10-28 | 溧阳德维透平机械有限公司 | Centrifugal compressor |
| CN101514705A (en) * | 2009-03-09 | 2009-08-26 | 杭州振兴工业泵制造有限公司 | Hydrogen chloride compressor |
| JP2012072690A (en) * | 2010-09-28 | 2012-04-12 | Kobe Steel Ltd | Compression device |
| CN202628548U (en) * | 2012-03-05 | 2012-12-26 | 河南众力空分设备有限公司 | Integrally assembled centrifugal compressor set with supporting and adjusting devices |
| CN203476740U (en) * | 2013-06-02 | 2014-03-12 | 江苏金通灵流体机械科技股份有限公司 | Double-air-inflow high-speed centrifugal blower |
| CN204003519U (en) * | 2014-06-26 | 2014-12-10 | 江苏金通灵流体机械科技股份有限公司 | Double suction enters high pressure ratio vapour compression machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140903 |