CN106762742A - A kind of high rate turbine vacuum pump with energy recovery turbine - Google Patents

A kind of high rate turbine vacuum pump with energy recovery turbine Download PDF

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Publication number
CN106762742A
CN106762742A CN201710001448.9A CN201710001448A CN106762742A CN 106762742 A CN106762742 A CN 106762742A CN 201710001448 A CN201710001448 A CN 201710001448A CN 106762742 A CN106762742 A CN 106762742A
Authority
CN
China
Prior art keywords
turbine
vacuum pump
energy recovery
direct
section
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
Application number
CN201710001448.9A
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Chinese (zh)
Inventor
曹新泽
曹大清
王秀礼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Binzhou Dongrui Machinery Co Ltd
Original Assignee
Binzhou Dongrui Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Binzhou Dongrui Machinery Co Ltd filed Critical Binzhou Dongrui Machinery Co Ltd
Priority to CN201710001448.9A priority Critical patent/CN106762742A/en
Publication of CN106762742A publication Critical patent/CN106762742A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/04Units comprising pumps and their driving means the pump being fluid-driven
    • F04D25/045Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to turbomachinery, suitable for the vacuum pump application such as oil, chemical industry, electric power, light textile, papermaking, medicine field, more particularly to a kind of high rate turbine vacuum pump with energy recovery turbine, whole machine is generally horizontal type structure, including turbine vacuum pump section, the direct-connected motor of high speed, main shaft and energy recovery turbine section, the turbine vacuum pump section is load end, and drive end includes that the direct-connected motor of the high speed cooperates with auxiliary to realize with energy recovery turbine section two large divisions;The main shaft is fixedly mounted in the direct-connected motor of high speed;The direct-connected motor side of high speed is arranged on the opposite side of the direct-connected motor of high speed equipped with turbine vacuum pump section, energy recovery turbine Duan Ze.Beneficial effects of the present invention are:Efficient effect, and Intermediate High Pressure suction can be met, and steady working condition it is wide the advantages of, it is high-efficiency environment friendly, reliable and stable.

Description

A kind of high rate turbine vacuum pump with energy recovery turbine
Technical field
The present invention relates to turbomachinery, it is adaptable to which the vacuum pump application such as oil, chemical industry, electric power, light textile, papermaking, medicine is led Domain, more particularly to a kind of high rate turbine vacuum pump with energy recovery turbine,.
Background technology
Progress and industrial modernization development with society, vacuum application technology are right in production and field of scientific study Its rate of air sucked in required is more and more wider with the requirement of vacuum ranges, it is generally the case that constitute vacuum system by vavuum pump and other equipment, It is widely used in the fields such as oil, chemical industry, machinery, mine, light industry, medicine, food, electronics, metallurgy, space flight, and existing market The wide conventional vacuum pump product of upper application mainly has liquid-ring vacuum pump, rotary-vane vaccum pump, reciprocating vacuum pump and sieve Thatch vavuum pump etc..
Liquid rotary pump belongs to rough vacuum pump, and rotor eccentricity is arranged in the pump housing, using water as hydraulic fluid during rotation, by pump chamber The change of volume is realized air-breathing, compression and is vented, it is therefore desirable to consume water be generally below with the energy consumption of water, rotating speed is acted on 3000r/min, although still there is larger market in the field such as oil, chemical industry, electric power, light textile, papermaking at home.But generally there are Vacuum and the low problem of efficiency, typically 30% or so, highest also only has 50% to efficiency.
Rotary-vane vaccum pump is a kind of mechanical low-voltage vacuum pump, two or more the rotor eccentricities of blade with spring In the pump housing, during rotation, using oil as sealing medium, the elastic force by centrifugal force and spring makes in blade top and pump chamber Wall keep contact with slide, periodic variation porting volume come realize air-breathing with exhaust, so, need consumption oil with make It is less efficient for the energy consumption of oil, while rate of air sucked in required is also smaller.
Reciprocating pump belongs to positive-displacement vacuum pump, and being moved in crankcase by connecting rod-crankshaft mechanism makes piston in cylinder In reciprocating, the volume of periodic variation suction air cavity, and by air inlet-exhaust valve effect complete suction and discharge action, from And obtain vacuum.Reciprocating vacuum pump is inapplicable for extracting corrosivity or gas containing particulate dust.It is reciprocal true Empty pump belongs to low vacuum and obtains equipment, and more sensitive to dust granule etc..
In a word, the deficiencies such as above positive-displacement vacuum pump generally existing efficiency is low, high energy consumption, noise is big, rate of air sucked in required is small, especially It is for needing to meet during big rate of air sucked in required requirement, although water ring vacuum pump or liquid-ring vacuum pump can meet use requirement, also depositing Configuring the problems such as quantity is more, floor space is big.With the progress in epoch, the quick of modern industrialization pushes ahead, mesh The preceding demand to big flow, condition of high vacuum degree Turbomachinery equipment is more and more, it is desirable to also increasingly harsher, for big rate of air sucked in required, The reliable and stable Turbomachinery equipment of high-efficiency environment friendly researching and proposing and application it is extremely urgent.
According to the deficiency of positive-displacement vacuum pump, while comprehensive take into account the not enough and modern energy section for considering modern turbomachinery A kind of demand development trend about, it is proposed that high rate turbine vacuum pump with energy recovery turbine, and to adapt to modern industry pair The development need of the aspect such as the big vacuum drawn of rate of air sucked in required is integrated with the high-efficiency environment friendly of compression device and vacuum.
The content of the invention
To solve the deficiencies in the prior art, with reference to the characteristic of turbomachinery efficient high-speed, there is provided a kind of band energy The high rate turbine vacuum pump of recovery gas turbine, to meet modern industry to condition of high vacuum degree, the extraction of big rate of air sucked in required, the side such as energy-conserving and environment-protective Using for face needs.
The technical solution adopted by the present invention is:
A kind of high rate turbine vacuum pump with energy recovery turbine, whole machine is generally horizontal type structure, including turbine vacuum pump section, high The direct-connected motor of speed, main shaft and energy recovery turbine section, the turbine vacuum pump section is load end, and drive end includes the high speed Direct-connected motor cooperates with auxiliary to realize with energy recovery turbine section two large divisions;The main shaft is fixedly mounted on the direct-connected motor of high speed It is interior;The direct-connected motor side of high speed is arranged on the direct-connected motor of high speed equipped with turbine vacuum pump section, energy recovery turbine Duan Ze Opposite side;
Wherein described turbine vacuum pump section includes air inlet oviduct, impeller and exhaust volute, and the air inlet oviduct coordinates to be installed On exhaust volute, the impeller is located at and main shaft one end is arranged in exhaust volute, and the exhaust volute then passes through corresponding zero Part cooperation is fixedly mounted on the direct-connected motor side of high speed;
Wherein described energy recovery turbine section includes turbine spiral case, stator, turbo wheel and outlet section, and the outlet section coordinates peace On turbine spiral case, the turbo wheel is located at the other end installed in main shaft in turbine spiral case, and the exhaust volute then leads to Cross corresponding parts and coordinate the opposite side for being fixedly mounted on the direct-connected motor of high speed.
Further:
Described energy recovery turbine section includes hydraulic turbine energy recycle device and gas turbine energy recycle device.
Described main shaft is hollow shaft or solid shafting, with specific reference to critical speed and the axle Intensity Design of load.
The air inlet oviduct at impeller inlet and at the main shaft and exhaust volute inner ring by corresponding sealing gland ring Sealed.
In exhaust volute in described turbine vacuum pump section expansion is provided with from the radially outer annular space of gas feed Depressor, including vaneless diffuser and vaned diffuser, wherein space communicates with exhaust volute in diffuser.
Deflector is provided with the air inlet oviduct, deflector piece number is distributed in air inlet oviduct to enter near impeller for 4 At mouthful.
The turbine vacuum impeller of pump is band deviated splitter vane impeller.
Beneficial effects of the present invention are:
(1)The performance and advantage and disadvantage of high-speed vacuum turbomachinery and energy recovery turbine operation, energy in the present invention are considered Amount recovery gas turbine can compensate for the underpower of direct-coupled electrical machinery, take into account the operating condition of high rate turbine vacuum pump, reach big rate of air sucked in required, Efficient effect, and can meet Intermediate High Pressure suction, and steady working condition it is wide the advantages of;
(2)The application of single-shaft configuration and direct-connected motor etc., reduces the labyrinths such as gear drive, makes the whole machine chi of turbomachinery Very little small compact, transmission loss is small, is greatly reduced whole machine floor space, and rotating speed is relatively higher, high-efficiency environment friendly, stabilization can Lean on.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the invention.
In figure, 1 turbine vacuum pump section, the direct-connected motor of 2 high speeds, 3 main shafts, 4 energy recovery turbines section, 5 oviducts, 6 impellers, 7 exhaust volutes, 8 deflectors, 9 sealing gland rings, 10 diffusers, 11 imports, 12 outlets, the section import of 13 energy recovery turbines, 14 energy Recovery gas turbine section outlet, 15 turbine spiral cases, 16 stators, 17 turbo wheels, 18 outlet sections.
Specific embodiment
The present invention is introduced with reference to the accompanying drawings and detailed description.
As shown in Figure 1:
A kind of high rate turbine vacuum pump with energy recovery turbine, whole machine is generally horizontal type structure, mainly by turbine vacuum pump section 1, the direct-connected motor 2 of high speed, main shaft 3 and the major part of energy recovery turbine section 4 four are constituted, and the turbine vacuum pump section 1 is load End, drive end includes that the direct-connected motor 2 of the high speed cooperates with auxiliary to realize with energy recovery turbine 4 two large divisions of section;The main shaft 3 It is fixedly mounted in the direct-connected motor 2 of high speed;The direct-connected side of motor 2 of high speed is equipped with turbine vacuum pump section, energy recovery turbine Duan Ze is arranged on the opposite side of the direct-connected motor 2 of high speed;
Wherein described turbine vacuum pump section 1 includes air inlet oviduct 5, impeller 6 and exhaust volute 7, and the air inlet oviduct 5 coordinates On exhaust volute 7, the impeller 6 is located at and main shaft one end is arranged in exhaust volute 7, and the exhaust volute 7 then passes through Corresponding parts cooperation is fixedly mounted on the direct-connected side of motor 2 of high speed;
Wherein energy recovery turbine section 4 includes turbine spiral case 15, stator 16, turbo wheel 17 and outlet section 18, it is described go out Mouth section 18 coordinates on turbine spiral case 15, and the turbo wheel 17 is located at and the another of main shaft 3 is arranged in turbine spiral case 15 End, the exhaust volute 7 then coordinates the opposite side for being fixedly mounted on the direct-connected motor 2 of high speed by corresponding parts;
Further:
Described energy recovery turbine section 4 includes hydraulic turbine energy recycle device and gas turbine energy recycle device.
Described main shaft 3 includes hollow shaft and solid shafting, with specific reference to critical speed and the axle Intensity Design of load.
The air inlet oviduct 5 to pass through corresponding gas at the import of impeller 6 and at the main shaft 3 and the inner ring of exhaust volute 7 Seal ring 9 is sealed.
It is provided with from the radially outer annular space of gas feed in exhaust volute 7 in described turbine vacuum pump section 1 Space communicates with exhaust volute 7 in diffuser 10, including vaneless diffuser and vaned diffuser, wherein diffuser 10.
Deflector 8 is provided with the air inlet oviduct 5), 8 pieces of numbers of deflector are distributed in air inlet oviduct 5 near leaf for 4 Take turns at 6 imports.
The turbine vacuum impeller of pump 6 is band deviated splitter vane impeller.
High rate turbine vacuum pump operation logic:Drive device includes the direct-connected motor 2 of main drive high speed and process auxiliary drive Device energy recovery turbine section 4, high pressure complementary energy is entered into and through in energy recovery turbine section from energy recovery turbine section import 13 Spiral case, stator, the effect drive shaft 3 of impeller rotates, and high speed direct-connected motor can automatically compensate energy recovery turbine section 4 The unstable and power output of power output is not enough, and the leaf of driven end on main shaft 3 is driven in the case where the cooperation of two drive devices drives Wheel 6 is operated, and gas is thrown out of under the influence of centrifugal force in impeller 6, by the effect of impeller 6, diffuser 10 and exhaust volute 7 Under pressure energy be converted into by kinetic energy export 12 discharges from exhaust volute 7, form vacuum in the inducer of impeller 6, gas phase is after from import 11 are inhaled into and are continually discharged so as to reach the suction of vacuum by the effect of turbine vacuum pump.
Protection scope of the present invention is not limited to above-described embodiment, also comprising the other embodiments in the range of present inventive concept and Variation.General principle of the invention and principal character has been shown and described above.It should be understood by those skilled in the art that, this Invention is not restricted to the described embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification, not On the premise of departing from spirit and scope of the invention, various changes and modifications of the present invention are possible, and these changes and improvements both fall within In scope of the claimed invention.

Claims (7)

1. a kind of high rate turbine vacuum pump with energy recovery turbine, it is characterised in that:Whole machine is generally horizontal type structure, including saturating Flat vavuum pump section(1), the direct-connected motor of high speed(2), main shaft(3)And energy recovery turbine section(4), the turbine vacuum pump section (1)It is load end, drive end includes the direct-connected motor of the high speed(2)With energy recovery turbine section(4)Two large divisions's collaboration auxiliary Realize;The main shaft(3)It is fixedly mounted on the direct-connected motor of high speed(2)It is interior;The direct-connected motor of high speed(2)Side is true equipped with turbine Empty pump section, energy recovery turbine Duan Ze is arranged on the direct-connected motor of high speed(2)Opposite side;
Wherein described turbine vacuum pump section(1)Including air inlet oviduct(5), impeller(6)And exhaust volute(7), the air inlet loudspeaker Pipe(5)Coordinate and be arranged on exhaust volute(7)On, the impeller(6)Positioned at exhaust volute(7)It is interior installed in main shaft one end, institute State exhaust volute(7)Then it is fixedly mounted on the direct-connected motor of high speed(2)Side;
Wherein described energy recovery turbine section(4)Including turbine spiral case(15), stator(16), turbo wheel(17)And outlet section (18), the outlet section(18)Coordinate and be arranged on turbine spiral case(15)On, the turbo wheel(17)Positioned at turbine spiral case(15) It is interior installed in main shaft(3)The other end, the exhaust volute(7)Then it is fixedly mounted on the direct-connected motor of high speed(2)Opposite side.
2. a kind of high rate turbine vacuum pump with energy recovery turbine according to claim 1, it is characterised in that:Described Energy recovery turbine section(4)Including hydraulic turbine energy recycle device and gas turbine energy recycle device.
3. a kind of high rate turbine vacuum pump with energy recovery turbine according to claim 1, it is characterised in that:Described Main shaft(3)It is hollow shaft or solid shafting.
4. a kind of high rate turbine vacuum pump with energy recovery turbine according to claim 1, it is characterised in that:It is described enter Air horn pipe(5)With impeller(6)At import and the main shaft(3)With exhaust volute(7)By corresponding sealing gland ring at inner ring(9) Sealed.
5. a kind of high rate turbine vacuum pump with energy recovery turbine according to claim 1, it is characterised in that:Described Turbine vacuum pump section(1)In exhaust volute(7)It is interior to be provided with diffuser from the radially outer annular space of gas feed(10), Including vaneless diffuser and vaned diffuser, wherein diffuser(10)Interior space and exhaust volute(7)Communicate.
6. a kind of high rate turbine vacuum pump with energy recovery turbine according to claim 1, it is characterised in that:It is described enter Air horn pipe(5)Inside it is provided with deflector(8), deflector(8)Piece number is distributed in air inlet oviduct for 4(5)Interior close impeller(6)Enter At mouthful.
7. a kind of high rate turbine vacuum pump with energy recovery turbine according to claim 1, it is characterised in that:It is described Flat vacuum pump impeller(6)It is band deviated splitter vane impeller.
CN201710001448.9A 2017-01-03 2017-01-03 A kind of high rate turbine vacuum pump with energy recovery turbine Pending CN106762742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110832205A (en) * 2017-07-07 2020-02-21 爱德华兹有限公司 Power supply system for vacuum pump and vacuum pump

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CN205036624U (en) * 2015-07-23 2016-02-17 杭州四鑫工业泵制造有限公司 Cantilever type high speed centrifugation fan with airtight
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CN205779750U (en) * 2016-06-27 2016-12-07 衢州学院 A kind of pumping installations based on overbottom pressure waste water utilization
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JPH08135592A (en) * 1994-11-08 1996-05-28 Taiheiyo Kiko Kk Turbine magnet drive pump
US6250896B1 (en) * 1998-08-19 2001-06-26 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Pump for a cryogenic liquid and pump unit and distillation column which are equipped with such a pump
CN2690636Y (en) * 2004-04-14 2005-04-06 天津市通风机厂 Hollow main shaft double suction F type centirfugal fan
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CN101418803A (en) * 2008-11-25 2009-04-29 陈克复 A kind of single stage turbine vacuum machine and use its method for extracting vacuum
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CN205779750U (en) * 2016-06-27 2016-12-07 衢州学院 A kind of pumping installations based on overbottom pressure waste water utilization
CN206592308U (en) * 2017-01-03 2017-10-27 滨州东瑞机械有限公司 A kind of high rate turbine vacuum pump with energy recovery turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110832205A (en) * 2017-07-07 2020-02-21 爱德华兹有限公司 Power supply system for vacuum pump and vacuum pump

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Application publication date: 20170531