CN103047190A - Centrifugal compressor - Google Patents
Centrifugal compressor Download PDFInfo
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- CN103047190A CN103047190A CN2012101122469A CN201210112246A CN103047190A CN 103047190 A CN103047190 A CN 103047190A CN 2012101122469 A CN2012101122469 A CN 2012101122469A CN 201210112246 A CN201210112246 A CN 201210112246A CN 103047190 A CN103047190 A CN 103047190A
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- oil pump
- centrifugal compressor
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Abstract
The invention relates to a compressor, in particular to a centrifugal compressor. The centrifugal compressor is mainly applicable to compression of steam and comprises a volute (3) connected with a steam inlet pipe (1) and a steam outlet pipe (2), an impeller (10) and a motor (5). The impeller (10) is arranged in the volute (3), and a power output end of the motor (5) is connected with the impeller (10). The centrifugal compressor is further provided with a water spraying pipe (9) comprising a sprayer (901), the water spraying pipe (9) is arranged on the steam inlet pipe (1), or the water spraying pipe (9) is arranged on the volute (3), and the water spraying pipe (901) faces an inner cavity of the volute (3). By means of the technical scheme, the compression efficiency is high, compression cost is low, performance is stable, reliability is good, and service life is long. The centrifugal compressor achieves automatic control of the pressure and temperature.
Description
Technical field
The present invention relates to a kind of compressor, particularly a kind of centrifugal compressor.The present invention mainly is adapted to the compression of water vapour.The invention belongs to the device fabrication processing technique field.
Background technique
Centrifugal compressor is a kind of universal machine that improves gas pressure, is applied in many departments of national economy.As with centrifugal compressor as emerging heat circulation reusing device, it not only by reducing evaporating temperature, improves the quality of product, and reduces energy demand, realizes simultaneously the recycling economy operation of the energy, material.
Chinese patent notification number CN201335030Y discloses a kind of centrifugal compressor, and it mainly comprises an impeller, motor, and described motor directly is connected with described impeller, and described motor is by Frequency Converter Control; Described impeller is 3 d impeller.
Working conditions of compressor relies on the rotation of impeller, for improving compressor efficiency, is necessary to make compressor inlet, compressor inside and/or compressor outlet to be in all the time saturation state.Above-mentioned prior art can't guarantee that compressor inlet, compressor inside and/or compressor outlet are in saturation state all the time, that is: compressor can't remain saturation state to the compression process of water vapour.Therefore, cause existing compressor to exist the problem that compression efficiency is low, cost squeeze is high, cause the waste of the energy.Existing compressor also exists the problems such as the compression performance safety reliability is poor, working life is short simultaneously.But the problems referred to above of prior art are insurmountable technical barriers always.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, provide that a kind of compression efficiency is high, cost squeeze is low, the centrifugal compressor of the peaceful good reliability of performance, long service life.
For realizing above-mentioned technical purpose, the present invention by the following technical solutions: a kind of centrifugal compressor, include the spiral case that is connected with steam outlet pipe with suction tude, also include impeller and motor, impeller places in the spiral case, the clutch end of motor is connected with impeller.The present invention also is provided with the shower that contains shower nozzle, and shower is arranged on the described suction tude, and perhaps shower is arranged on the spiral case, and shower nozzle is towards the inner chamber of described spiral case.
Further, also be provided with coupling, gear-box and fuel feeding assembly, wherein;
---gear-box includes the first tooth axle, the second axle and the second axle cogged, the first tooth axle is meshed with the second axle cogged on being sleeved on the second axle, described motor is connected by the power intake of coupling with the second axle, and the clutch end of the first tooth axle is connected with described impeller;
---the fuel feeding assembly is made of main oil pump, auxiliary oil pump, cooler, oil strainer and fuel tank, and fuel tank is connected into oil supply loop with main oil pump, cooler, oil strainer and gear-box successively; Auxiliary oil pump is connected in parallel between fuel tank and the cooler.
Further, described fuel feeding assembly also comprises safety valve, and safety valve is connected in parallel between described fuel tank and the cooler.
Further, also be provided with screw rod, screw rod passes described impeller, and affixed with the clutch end of the first tooth axle.
Further, fuel tank is connected with auxiliary oil pump with main oil pump respectively with electric heater by oil strainer in the fuel tank again.
Further, also be provided with pressure transducer and temperature transducer, pressure transducer and temperature transducer all are arranged on the described steam outlet pipe.
After adopting technique scheme, the present invention has following beneficial effect:
(1) shower is sprayed water in spiral case by shower nozzle, improve centrifugal compressor import water content, guarantee that compressor is to carry out to the compression process of water vapour all the time under saturation state, improve the compression efficiency of compressor, make compression efficiency of the present invention high, make simultaneously compressor operating under relatively low temperature, be conducive to reduce the thermal distortion of compressor and increase the service life.Cost squeeze of the present invention is low, and is energy-saving and cost-reducing, avoids waste.
(2) gear-box and fuel feeding assembly cooperate the formation oil supply loop, make compressor operating more steady, reliable.
(3) safety valve in parallel between fuel tank and the cooler, the Security that improves oil supply loop.
(4) by the fixing impeller of screw rod, that is: screw rod one end passes the impeller center hole and fixes with the first tooth shaft end, and the nut on the screw rod compresses impeller, makes screw rod reach certain pretightening force.Make between impeller and the first tooth axle to connect more firmly, improve reliability of the present invention.
(5) fuel tank is connected with auxiliary oil pump with main oil pump respectively with electric heater by oil strainer in the fuel tank again, and convenient control oil feed line guarantees that the fuel tank fuel feeding reaches the requirement quality.
(6) pressure transducer records the pressure data of compressor outlet, and this pressure data is passed to processor, and processor goes out the saturation temperature value according to existing calculation of thermodynamics; The temperature data of temperature sensor measurement compressor outlet passes to processor with this temperature data; Processor is this temperature data and saturation temperature value relatively, then controls the water inlet of compressor inlet according to comparative result.So control compressor exit temperature.
Therefore, compression efficiency of the present invention is high, and cost squeeze is low, the peaceful good reliability of performance, long service life.And the present invention has realized the automatic control of pressure and temperature, and automaticity is high.
Description of drawings
Fig. 1 is main TV structure schematic representation of the present invention;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the plan structure schematic representation of partly cut-away of the present invention;
Fig. 5 is A-A partial sectional view among Fig. 1;
Fig. 6 is fuel feeding assembly plan view of the present invention;
Fig. 7 is the plan view of Fig. 6;
Fig. 8 is the piping diagram of fuel feeding assembly of the present invention.
Among the figure: 1, suction tude, 2, steam outlet pipe, 3, spiral case, 4, gear-box, 401, the first tooth axle, 402, the second axle, 403, the second axle cogged, 404, the axle cogged, 5, motor, 6, oil strainer in the fuel tank, 7, pressure transducer, 8, temperature transducer, 9, shower, 901, shower nozzle, 10, impeller, 1001, screw rod, 1002, nut, 11, coupling, 12, main oil pump, 13, auxiliary oil pump, 13-1 auxiliary oil pump motor, 14, cooler, 15, oil strainer, 16, fuel tank, 17, electric heater, 18, one-way valve, 19, valve, 20, safety valve, B, oil-feed port, C, the main oil pump inlet port, D, the fuel tank oil-feed port, E, the cooler coolant inlet, F, the cooler coolant outlet, G, the tank drainback mouth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
Embodiment
Such as Fig. 1～Fig. 3 and shown in Figure 5, a kind of centrifugal compressor, include the spiral case 3 that is connected with steam outlet pipe 2 with suction tude 1, also include impeller 10 and motor 5, impeller 10 places in the spiral case 3, according to prior art as can be known: motor 5 can directly be connected with impeller 10, that is: the clutch end of motor 5 is connected with impeller 10.
For improving the compression efficiency of compressor, take following technical measures: set up the shower 9 that contains shower nozzle 901, shower 9 is arranged on the described suction tude 1, and perhaps shower 9 is arranged on the spiral case 3, the shower nozzle 901 of shower 9 is towards the inner chamber of spiral case 3, and namely shower nozzle 901 is towards impeller 10.
So, shower 9 to spiral case 3 interior water sprays, guarantees that compressor is to carry out to the compression process of water vapour all the time by shower nozzle 901 under saturation state.
For further improving the stationarity of centrifugal compressor, increase the service life, shown in Fig. 1～8, also be provided with coupling 11, gear-box 4 and fuel feeding assembly.Gear-box 4 is arranged between motor 5 and the impeller 10.Wherein:
---gear-box 4 includes the first tooth axle 401, the second axle 402 and the second axle cogged 403, the first tooth axle 401 is meshed with the second axle cogged 403 on being sleeved on the second axle 402, described motor 5 is affixed by the power intake of coupling 11 and the second axle 402, and the clutch end of the first tooth axle 401 is connected with described impeller 10;
---the fuel feeding assembly is made of main oil pump 12, auxiliary oil pump 13, cooler 14, oil strainer 15 and fuel tank 16, and fuel tank 16 is connected into oil supply loop with main oil pump 12, cooler 14, oil strainer 15 and gear-box 4 successively; Auxiliary oil pump 13 is connected in parallel between fuel tank 16 and the cooler 14.
Be convenient control oil feed line, guarantee that the fuel tank fuel feeding reaches the requirement quality, above-mentioned fuel tank 16 is connected with main oil pump 12 according to being connected with electric heater by oil strainer 6 in the fuel tank again; In like manner, above-mentioned fuel tank 16 is connected with auxiliary oil pump 13 according to being connected with electric heater by oil strainer in the fuel tank again; The outlet that main oil pump 12 is connected with auxiliary oil pump connects respectively one-way valve 18 according to needs; Also be provided with the valve 19 that is communicated with both pipelines between the outlet of main oil pump 12 and auxiliary oil pump 13.
During normal operation, start first auxiliary oil pump 13, main frame reaches certain rotating speed, after main oil pump 12 normal operations, closes auxiliary oil pump 13.When closing, open first auxiliary oil pump 13, main oil pump 12 cuts out naturally, last late release auxiliary oil pump 13.
For auxiliary oil pump 13: the lubricant oil in the fuel tank 16 is supplied to auxiliary oil pump 13 by fuel tank oil-feed port D, and flow through successively one-way valve 18, cooler 14 and oil strainer 15, then lubricant oil enters in the gear-box 4 by oil-feed port B, and the lubricant oil in the final gear case 4 is by tank drainback mouth G backflow oil-feed tank 16.
For main oil pump 12, lubricant oil in the fuel tank 16 is supplied to main oil pump 12 by fuel tank oil-feed port D, main oil pump inlet port C, and flow through successively one-way valve 18, cooler 14 and oil strainer 15, then lubricant oil enters in the gear-box 4 by oil-feed port B, and the lubricant oil in the final gear case 4 is by tank drainback mouth G backflow oil-feed tank 16.
Above-mentioned oil strainer 15 preferred bitubular oil strainers.
In fact, for improving the Security of oil supply loop, safety valve 20 in parallel between described fuel tank 16 and cooler 14.When the overpressure of oil supply loop, the oil in the oil supply loop can directly be back in the fuel tank 16 by safety valve 20.
Above-mentioned cooler 14 adopts coolant cools, that is: freezing mixture enters in the cooler 14 from cooler coolant inlet E, finish exchange heat after, freezing mixture flows out from cooler coolant outlet F.Above-mentioned freezing mixture can be water, wet goods.
Cooperate by key between impeller of the prior art and the transmission shaft, cooperate soundness for improving between impeller 10 and the first tooth axle 401, connect impeller 10 and the first tooth axles 401 by screw rod 1001.Concrete measure: screw rod 1,001 one ends pass impeller 10 center holes and affixed with the first tooth axle 401 ends, and the nut 1002 on the screw rod 1001 compresses impeller 10, makes screw rod 1001 reach certain pretightening force.
The above-mentioned screw rod 1001 preferred high-strength high-elasticity alloy materials that adopt are as adopting 40GrNiMoA.
Also include axle cogged 404 in the gear-box 4 of the present invention.Main oil pump 12 of the present invention can be selected gear pump, by the gear transmission of the second axle 402 in the gear-box 4 by axle cogged 404, drives main oil pump 12 actions.Auxiliary oil pump 13 can select gear pump with auxiliary oil pump motor 13-1 as auxiliary oil pump.
In addition, for better improving the performance of centrifugal compressor, set up pressure transducer 7 and temperature transducer 8 at steam outlet pipe 2, realize the automatic control of pressure and temperature.
During normal operation, pressure transducer records the pressure data of compressor outlet, and this pressure data is passed to processor, and processor goes out the saturation temperature value according to existing calculation of thermodynamics; The temperature data of temperature sensor measurement compressor outlet passes to processor with this temperature data; Processor is this temperature data and saturation temperature value relatively, then controls the water inlet of compressor inlet according to comparative result.So control compressor exit temperature.
The invention is not restricted to above-described embodiment, the technological scheme that all employings are equal to or the equivalence replacement forms all falls into the protection domain that the present invention requires.
Claims (6)
1. centrifugal compressor, include the spiral case (3) that is connected with steam outlet pipe (2) with suction tude (1), also include impeller (10) and motor (5), impeller (10) places in the spiral case (3), the clutch end of motor (5) is connected with impeller (10), it is characterized in that: also be provided with the shower (9) that contains shower nozzle (901), shower (9) is arranged on the described suction tude (1), perhaps shower (9) is arranged on the spiral case (3), and shower nozzle (901) is towards the inner chamber of described spiral case (3).
2. centrifugal compressor according to claim 1 is characterized in that: also be provided with coupling (11), gear-box (4) and fuel feeding assembly, wherein;
---gear-box (4) includes the first tooth axle (401), the second axle (402) and the second axle cogged (403), the first tooth axle (401) is meshed with the second axle cogged (403) on being sleeved on the second axle (402), described motor (5) is connected by the power intake of coupling (11) with the second axle (402), and the clutch end of the first tooth axle (401) is connected with described impeller (10);
---the fuel feeding assembly is made of main oil pump (12), auxiliary oil pump (13), cooler (14), oil strainer (15) and fuel tank (16), and fuel tank (16) is connected into oil supply loop with main oil pump (12), cooler (14), oil strainer (15) and gear-box (4) successively; Auxiliary oil pump (13) is connected in parallel between fuel tank (16) and the cooler (14).
3. centrifugal compressor according to claim 2, it is characterized in that: described fuel feeding assembly also comprises safety valve (20), safety valve (20) is connected in parallel between described fuel tank (16) and the cooler (14).
4. centrifugal compressor according to claim 2, it is characterized in that: also be provided with screw rod (1001), screw rod (1001) passes described impeller (10), and affixed with the clutch end of the first tooth axle (401).
5. centrifugal compressor according to claim 2 is characterized in that: fuel tank (16) is connected with auxiliary oil pump (13) with main oil pump (12) respectively with electric heater (17) by oil strainer (6) in the fuel tank again.
6. centrifugal compressor according to claim 1, it is characterized in that: also be provided with pressure transducer (7) and temperature transducer (8), pressure transducer (7) and temperature transducer (8) all are arranged on the described steam outlet pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101122469A CN103047190A (en) | 2012-04-17 | 2012-04-17 | Centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101122469A CN103047190A (en) | 2012-04-17 | 2012-04-17 | Centrifugal compressor |
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| CN103047190A true CN103047190A (en) | 2013-04-17 |
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| CN2012101122469A Pending CN103047190A (en) | 2012-04-17 | 2012-04-17 | Centrifugal compressor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498804A (en) * | 2013-10-01 | 2014-01-08 | 湖北双剑鼓风机股份有限公司 | Efficient gear combined type compressor |
| WO2016004271A1 (en) * | 2014-07-03 | 2016-01-07 | General Electric Company | Fluid processing system, an energy-dissipating device, and an associated method thereof |
| CN105526485A (en) * | 2015-12-30 | 2016-04-27 | 三一环保科技有限公司 | Novel oil-distributing valve block oil supply structure and lubricating oil supply station |
| CN106438465A (en) * | 2016-10-17 | 2017-02-22 | 南京创贝高速传动机械有限公司 | Centrifugal steam compressor |
| CN107605763A (en) * | 2017-09-18 | 2018-01-19 | 江苏金通灵流体机械科技股份有限公司 | A kind of low-temperature-rise centrifuges vapour compression machine device |
| CN112211844A (en) * | 2019-07-09 | 2021-01-12 | 浙江盾安机电科技有限公司 | Balance system and control method of balance system |
| CN113217411A (en) * | 2021-06-10 | 2021-08-06 | 珠海格力电器股份有限公司 | Compressor and air conditioning unit |
| CN113586476A (en) * | 2020-04-30 | 2021-11-02 | 马勒国际有限公司 | Side channel compressor for compressing gas |
| CN114790997A (en) * | 2022-04-02 | 2022-07-26 | 青岛海信日立空调系统有限公司 | Water chilling unit |
| WO2023184768A1 (en) * | 2022-04-02 | 2023-10-05 | 青岛海信日立空调系统有限公司 | Water chiller unit |
| US11781559B2 (en) | 2020-04-30 | 2023-10-10 | Mahle International Gmbh | Side channel compressor for compressing gas |
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| US1400813A (en) * | 1920-11-03 | 1921-12-20 | Graemiger Benjamin | Process of compressing vapor in multistage centrifugal compressors |
| US2786626A (en) * | 1952-08-07 | 1957-03-26 | Gulf Oil Corp | Process for the compression of gases |
| US4695224A (en) * | 1982-01-04 | 1987-09-22 | General Electric Company | Centrifugal compressor with injection of a vaporizable liquid |
| EP0570379A1 (en) * | 1991-02-08 | 1993-11-24 | Siemens Ag | TREATMENT FACILITY. |
| WO2010080040A1 (en) * | 2009-01-08 | 2010-07-15 | Aker Subsea As | A device for liquid treatment when compressing a well flow |
| WO2011081528A1 (en) * | 2009-12-29 | 2011-07-07 | Aker Subsea As | Control of subsea compressors |
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| US1400813A (en) * | 1920-11-03 | 1921-12-20 | Graemiger Benjamin | Process of compressing vapor in multistage centrifugal compressors |
| US2786626A (en) * | 1952-08-07 | 1957-03-26 | Gulf Oil Corp | Process for the compression of gases |
| US4695224A (en) * | 1982-01-04 | 1987-09-22 | General Electric Company | Centrifugal compressor with injection of a vaporizable liquid |
| EP0570379A1 (en) * | 1991-02-08 | 1993-11-24 | Siemens Ag | TREATMENT FACILITY. |
| WO2010080040A1 (en) * | 2009-01-08 | 2010-07-15 | Aker Subsea As | A device for liquid treatment when compressing a well flow |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498804A (en) * | 2013-10-01 | 2014-01-08 | 湖北双剑鼓风机股份有限公司 | Efficient gear combined type compressor |
| GB2542297A (en) * | 2014-07-03 | 2017-03-15 | Gen Electric | Fluid processing system, an energy-dissipating device, and an associated method thereof |
| WO2016004271A1 (en) * | 2014-07-03 | 2016-01-07 | General Electric Company | Fluid processing system, an energy-dissipating device, and an associated method thereof |
| CN105526485A (en) * | 2015-12-30 | 2016-04-27 | 三一环保科技有限公司 | Novel oil-distributing valve block oil supply structure and lubricating oil supply station |
| CN106438465B (en) * | 2016-10-17 | 2019-02-26 | 南京创贝高速传动机械有限公司 | A centrifugal steam compressor |
| CN106438465A (en) * | 2016-10-17 | 2017-02-22 | 南京创贝高速传动机械有限公司 | Centrifugal steam compressor |
| CN107605763A (en) * | 2017-09-18 | 2018-01-19 | 江苏金通灵流体机械科技股份有限公司 | A kind of low-temperature-rise centrifuges vapour compression machine device |
| CN112211844A (en) * | 2019-07-09 | 2021-01-12 | 浙江盾安机电科技有限公司 | Balance system and control method of balance system |
| CN113586476A (en) * | 2020-04-30 | 2021-11-02 | 马勒国际有限公司 | Side channel compressor for compressing gas |
| CN113586476B (en) * | 2020-04-30 | 2023-08-15 | 马勒国际有限公司 | Side channel compressor for compressing gas |
| US11781559B2 (en) | 2020-04-30 | 2023-10-10 | Mahle International Gmbh | Side channel compressor for compressing gas |
| CN113217411A (en) * | 2021-06-10 | 2021-08-06 | 珠海格力电器股份有限公司 | Compressor and air conditioning unit |
| CN114790997A (en) * | 2022-04-02 | 2022-07-26 | 青岛海信日立空调系统有限公司 | Water chilling unit |
| WO2023184768A1 (en) * | 2022-04-02 | 2023-10-05 | 青岛海信日立空调系统有限公司 | Water chiller unit |
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Application publication date: 20130417 |