CN106703894A - Semi-closed screw power machine for low temperature electricity generation - Google Patents
Semi-closed screw power machine for low temperature electricity generation Download PDFInfo
- Publication number
- CN106703894A CN106703894A CN201611261347.7A CN201611261347A CN106703894A CN 106703894 A CN106703894 A CN 106703894A CN 201611261347 A CN201611261347 A CN 201611261347A CN 106703894 A CN106703894 A CN 106703894A
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- CN
- China
- Prior art keywords
- power machine
- screw power
- generating
- temperature electricity
- low
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C13/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
- F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/06—Heating; Cooling; Heat insulation
Abstract
The invention discloses a semi-closed screw power machine for low temperature electricity generation. The semi-closed screw power machine comprises a screw power mechanism and an electricity generation mechanism. A power output shaft of a male screw of the screw power mechanism and a rotor input shaft of the electricity generation mechanism are an integrally-formed power shaft, and a shell of the screw power mechanism is in closed connection with a machine seat of the electricity generation mechanism. An exposed power output shaft and a mechanical seal device do not exist in the semi-closed screw power machine, maintenance-free operation of the screw power machine is achieved, the operation stability is improved, and the life of a low temperature electricity generator is prolonged. In addition, zero leakage of a cycling medium in a power machine is achieved, and environmental protection performance is improved.
Description
Technical field
The present invention relates to low-temperature electricity-generating engine field, a kind of semiclosed screw rod power for low-temperature electricity-generating is particularly related to
Machine.
Background technology
At present, mostly using power-equipments such as turbine, scroll machines, this kind equipment exists low-temperature cogeneration powerplant module
The common problem of mechanical seal leakage.The machine for being connected by leakage between the power-equipment and generator of low-temperature electricity-generating unit
Tool is tightly connected, and power-equipment is in the process of running operation under positive pressure, and internal pressure is higher than environmental pressure, then mechanical seal connects
The limited appearance of service life of connected components is frequently changed, so as to the problem for causing the circulatory mediator inside power-equipment to reveal, most
Causing low-temperature electricity-generating unit eventually cannot normally run；Additionally, the circulatory mediator in power-equipment can produce greenhouse effects or destruction
Ozone layer, causes environmental pollution.
The content of the invention
The present invention proposes a kind of semiclosed screw power machine for low-temperature electricity-generating, solves low-temperature electricity-generating in the prior art
Mechanical seal sex chromosome mosaicism between the power-equipment and generator of unit.
The technical proposal of the invention is realized in this way：
A kind of semiclosed screw power machine for low-temperature electricity-generating, including screw power machine structure and generating mechanism, screw power machine
The power output shaft of the positive screw rod of structure and the rotor input shaft of generating mechanism are an integrally formed line shaft, and screw rod power
The housing of mechanism is connected with the support closing of generating mechanism.
Preferably, in the described semiclosed screw power machine for low-temperature electricity-generating, the support of the generating mechanism is
Radiating fin is provided with outside full-closed structure, and the support.
Preferably, in the described semiclosed screw power machine for low-temperature electricity-generating, the sealing of the generating mechanism
Part is using organic dielectric insulation layer.
Preferably, in the described semiclosed screw power machine for low-temperature electricity-generating, also including fan unit, it includes
Fan, motor and protective cover, protective cover are covered on the outer end of the support of generating mechanism, and form a cavity volume；Fan and electricity
Machine is connected, and is arranged on the outer end, and in the cavity volume.
Preferably, in the described semiclosed screw power machine for low-temperature electricity-generating, the rotor of the generating mechanism is defeated
Enter between the support of axle and generating mechanism using oil sealing sealing.
Preferably, in the described semiclosed screw power machine for low-temperature electricity-generating, it is provided with the support explosion-proof
Terminal box.
Beneficial effects of the present invention are：Without the power output shaft and machinery of leakage in semiclosed screw power machine of the invention
Sealing device, realizes the non-maintaining operation of screw power machine, improves the stability of operation, extends the life-span of low-temperature electricity-generating unit；
Additionally, realizing the zero leakage of engine inner loop medium, the feature of environmental protection is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is a kind of overall schematic of semiclosed screw power machine for low-temperature electricity-generating of the invention；
Fig. 2 is the sectional view of the semiclosed screw power machine for low-temperature electricity-generating.
In figure：
1st, rear end cap；2nd, bearing；3rd, rear bearing block；4th, cylindrical pin with internal thread；5th, housing；6th, positive screw rod；7th, female screw；8th, axle
Hold；9th, oil sealing；10th, support；11st, rotor；12nd, stator；13rd, nut；14th, fan；15th, protective cover；16th, anti-explosion terminal box；21、
Screw power machine structure；22nd, generating mechanism.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment：A kind of semiclosed screw power machine for low-temperature electricity-generating as shown in Figure 1, including screw power machine structure
21st, generating mechanism 22 and anti-explosion terminal box 17, arrow A represent air inlet；Arrow B represents exhaust outlet.Screw rod as shown in Figure 2 is moved
The concrete structure of force mechanisms 21 includes rear end cap 1, bearing 2, rear bearing block 3, cylindrical pin with internal thread 4, housing 5, positive screw rod 6, the moon
Screw rod 7 and bearing 8, are provided with high pressure admission mouthful on rear bearing block, and low pressure exhaust mouthful is provided with housing 5.Generating mechanism
22 concrete structure includes support 10, rotor 11, stator 12 and nut 13, close using oil sealing 9 between rotor input shaft and support
Envelope.Anti-explosion terminal box 17 is arranged on support 10.
It is an integrally formed line shaft that the present invention uses the power output shaft and the input shaft of rotor 11 of positive screw rod 6, solution
Coaxial cooperation difficulty is high when the rotor input shaft of power output shaft and generating mechanism of positive screw rod of having determined is assembled and coaxial accuracy
Low problem.Housing 5 is connected with the closing of support 10, and line shaft is sealed in inside housing 5 and support 10, cancels leakage machinery close
Envelope, extends the service life of low-temperature electricity-generating unit, improves the stability of the operation of low-temperature electricity-generating unit, and realizes screw rod power
The zero leakage of machine inner loop medium.
On the basis of above-described embodiment, support 10 is full-closed structure, improves the sealing of generating mechanism；Outside support 10
Radiating fin is provided with, accelerates radiating.The seal member of generating mechanism uses organic dielectric insulation layer, with anti-corrosive properties.
On the basis of above-described embodiment, also including fan unit, fan unit includes fan 14, motor and protective cover
15, protective cover 15 is covered on the outer end of support 10, and forms a cavity volume；Fan 14 and motor connection, are arranged at this outer
On end, and in the cavity volume.
The course of work of the semiclosed screw power machine for low-temperature electricity-generating of the invention is：Gases at high pressure are from screw rod power
High pressure admission mouthful on machine enters, using formation enclosed volume and pressure between the positive screw rod and female screw on screw power machine
Difference, gases at high pressure promote engagement rotation between positive screw rod and female screw, positive screw rod that the rotor of generating mechanism is driven by line shaft
Rotate and generate electricity.Generating mechanism starts fan in power generation process, for cooling down the radiating fin outside support, realizes semiclosed spiral shell
The safe and reliable operation of bar engine.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of semiclosed screw power machine for low-temperature electricity-generating, including screw power machine structure and generating mechanism, its feature exist
In the power output shaft of the positive screw rod of screw power machine structure is an integrally formed power with the rotor input shaft of generating mechanism
Axle, and the support closing of housing and the generating mechanism of screw power machine structure is connected.
2. the semiclosed screw power machine for low-temperature electricity-generating according to claim 1, it is characterised in that the generator
The support of structure is to be provided with radiating fin outside full-closed structure, and the support.
3. the semiclosed screw power machine for low-temperature electricity-generating according to claim 1, it is characterised in that the generator
The seal member of structure is using organic dielectric insulation layer.
4. the semiclosed screw power machine for low-temperature electricity-generating according to claim 1, it is characterised in that also including fan
Unit, it includes fan, motor and protective cover, and protective cover is covered on the outer end of the support of generating mechanism, and forms an appearance
Chamber；Fan and motor connection, are arranged on the outer end, and in the cavity volume.
5. the semiclosed screw power machine for low-temperature electricity-generating according to claim 1, it is characterised in that the generator
Oil sealing sealing is used between the rotor input shaft of structure and the support of generating mechanism.
6. the semiclosed screw power machine for low-temperature electricity-generating according to claim 1, it is characterised in that on the support
It is provided with anti-explosion terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261347.7A CN106703894A (en) | 2016-12-30 | 2016-12-30 | Semi-closed screw power machine for low temperature electricity generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261347.7A CN106703894A (en) | 2016-12-30 | 2016-12-30 | Semi-closed screw power machine for low temperature electricity generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106703894A true CN106703894A (en) | 2017-05-24 |
Family
ID=58905564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611261347.7A Pending CN106703894A (en) | 2016-12-30 | 2016-12-30 | Semi-closed screw power machine for low temperature electricity generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106703894A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1048446A (en) * | 1964-05-14 | 1966-11-16 | Svenska Rotor Maskiner Ab | Screw rotor machine |
| JPH0598902A (en) * | 1991-10-09 | 1993-04-20 | Mayekawa Mfg Co Ltd | Enclosed type power generating device by expansion engine and rankine power generating system using it |
| JPH0988502A (en) * | 1995-09-25 | 1997-03-31 | Hisaka Works Ltd | Screw turbine and binary generating device therewith |
| US6266952B1 (en) * | 1998-10-28 | 2001-07-31 | Ewan Choroszylow | Process for controlling compressors |
| AU2002345155B2 (en) * | 2001-06-11 | 2007-02-08 | Compair Uk Limited | Screw compressor with switched reluctance motor |
| US20100283336A1 (en) * | 2005-09-29 | 2010-11-11 | Claudiu Vasilesco | Ventilating system for electrical rotating electrical machines equipped with a forced-fluid flow cooling device and rotating electrical machine comprising same |
| CN101886630A (en) * | 2010-07-27 | 2010-11-17 | 苏州通润驱动设备股份有限公司 | Double-screw air compressor |
| CN102022138A (en) * | 2010-11-08 | 2011-04-20 | 上海维尔泰克螺杆机械有限公司 | Screw expanding power generating device |
| CN102061944A (en) * | 2010-11-16 | 2011-05-18 | 上海维尔泰克螺杆机械有限公司 | Screw expansion generating device |
| CN102102540A (en) * | 2009-12-18 | 2011-06-22 | 北京智慧剑科技发展有限责任公司 | Double-screw fluid generator and double-screw fluid generating method |
| CN201991713U (en) * | 2010-01-27 | 2011-09-28 | 江西佳能新能源发展有限公司 | Environmental protection energy saving emission reduction solar energy power generation system |
| JP2012127201A (en) * | 2010-12-13 | 2012-07-05 | Kobe Steel Ltd | Power generation system |
| JP2012147567A (en) * | 2011-01-12 | 2012-08-02 | Kobe Steel Ltd | Power generation system |
| CN103195481A (en) * | 2013-03-25 | 2013-07-10 | 上海维尔泰克螺杆机械有限公司 | Screw expanding power generation device and organic Rankine cycle power generation system |
| US20160043612A1 (en) * | 2014-08-05 | 2016-02-11 | Ford Global Technologies, Llc | Alternator With External Cooling System |
| CN206368721U (en) * | 2016-12-30 | 2017-08-01 | 山西易通环能科技集团有限公司 | A kind of semiclosed screw power machine for low-temperature electricity-generating |
-
2016
- 2016-12-30 CN CN201611261347.7A patent/CN106703894A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1048446A (en) * | 1964-05-14 | 1966-11-16 | Svenska Rotor Maskiner Ab | Screw rotor machine |
| JPH0598902A (en) * | 1991-10-09 | 1993-04-20 | Mayekawa Mfg Co Ltd | Enclosed type power generating device by expansion engine and rankine power generating system using it |
| JPH0988502A (en) * | 1995-09-25 | 1997-03-31 | Hisaka Works Ltd | Screw turbine and binary generating device therewith |
| US6266952B1 (en) * | 1998-10-28 | 2001-07-31 | Ewan Choroszylow | Process for controlling compressors |
| AU2002345155B2 (en) * | 2001-06-11 | 2007-02-08 | Compair Uk Limited | Screw compressor with switched reluctance motor |
| US20100283336A1 (en) * | 2005-09-29 | 2010-11-11 | Claudiu Vasilesco | Ventilating system for electrical rotating electrical machines equipped with a forced-fluid flow cooling device and rotating electrical machine comprising same |
| CN102102540A (en) * | 2009-12-18 | 2011-06-22 | 北京智慧剑科技发展有限责任公司 | Double-screw fluid generator and double-screw fluid generating method |
| CN201991713U (en) * | 2010-01-27 | 2011-09-28 | 江西佳能新能源发展有限公司 | Environmental protection energy saving emission reduction solar energy power generation system |
| CN101886630A (en) * | 2010-07-27 | 2010-11-17 | 苏州通润驱动设备股份有限公司 | Double-screw air compressor |
| CN102022138A (en) * | 2010-11-08 | 2011-04-20 | 上海维尔泰克螺杆机械有限公司 | Screw expanding power generating device |
| CN102061944A (en) * | 2010-11-16 | 2011-05-18 | 上海维尔泰克螺杆机械有限公司 | Screw expansion generating device |
| JP2012127201A (en) * | 2010-12-13 | 2012-07-05 | Kobe Steel Ltd | Power generation system |
| JP2012147567A (en) * | 2011-01-12 | 2012-08-02 | Kobe Steel Ltd | Power generation system |
| CN103195481A (en) * | 2013-03-25 | 2013-07-10 | 上海维尔泰克螺杆机械有限公司 | Screw expanding power generation device and organic Rankine cycle power generation system |
| US20160043612A1 (en) * | 2014-08-05 | 2016-02-11 | Ford Global Technologies, Llc | Alternator With External Cooling System |
| CN206368721U (en) * | 2016-12-30 | 2017-08-01 | 山西易通环能科技集团有限公司 | A kind of semiclosed screw power machine for low-temperature electricity-generating |
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