CN107387169A - Heating arrangement between a kind of two-stage screw expander level - Google Patents
Heating arrangement between a kind of two-stage screw expander level Download PDFInfo
- Publication number
- CN107387169A CN107387169A CN201710700526.4A CN201710700526A CN107387169A CN 107387169 A CN107387169 A CN 107387169A CN 201710700526 A CN201710700526 A CN 201710700526A CN 107387169 A CN107387169 A CN 107387169A
- Authority
- CN
- China
- Prior art keywords
- level
- oil duct
- screw expander
- level housing
- heating arrangement
- 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
Links
Classifications
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- 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
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- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F01C1/16—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- 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
- F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
- F01C11/002—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
Abstract
The present invention relates to screw expander technical field, heating arrangement between specially a kind of two-stage screw expander level, it can solve the problems, such as to improve the economy that inlet temperature is brought, it includes one-level housing, the one-level housing exhaust end is provided with secondary inlet end bearing block, gas passage is provided with the one-level housing, the top of the one-level housing is provided with the main oil inlet being vertically arranged, upper end is provided with the horizontal oil duct for connecting the main oil inlet in the one-level housing, the secondary inlet end bearing block is provided with the second oil duct of connection corresponding with the horizontal oil duct, it is characterized in that, the horizontal oil duct is provided with the groove for connecting the gas passage close to the secondary inlet end bearing block side.
Description
Technical field
The present invention relates to screw expander technical field, heating arrangement between specially a kind of two-stage screw expander level.
Background technology
In Rankine cycle system, expanding machine is that kinetic energy caused by the expansion of HTHP working substance steam is converted into mechanical energy
Equipment, be one of key equipment of Rankine cycle.The efficiency of the whole circulatory system is improved, mainly by improving in expanding machine
Efficiency is realized.In the structure of main machine of screw expander, expanding machine can be made by improving the entrance Temperature of Working of expanding machine
The inlet and outlet temperature difference increase, so as to improving the acting ability of expanding machine, realize that the hot merit transformation efficiency of Rankine cycle system carries
It is high.
In existing two-stage screw expander structure, the general temperature for improving expanding machine one-level entrance.But this means that
Improve outlet temperature of the working medium in heat exchanger, then the vapor (steam) temperature in heat exchanger will be higher, by the heatproof of material
The limitation of the limit, temperature endless can not improve.So expanding machine, heat exchanger is needed to use the more preferable alloy of heat resistance
The materials such as steel, cost spend and can quickly lifted, and increase cost, economic benefit is bad.
The content of the invention
In view of the above-mentioned problems, the invention provides heating arrangement between a kind of two-stage screw expander level, it can solve to improve
The problem of economy that inlet temperature is brought.
Its technical scheme is such：Heating arrangement between a kind of two-stage screw expander level, it includes one-level housing, described
One-level housing exhaust end is provided with secondary inlet end bearing block, and gas passage, the one-level shell are provided with the one-level housing
The top of body is provided with the main oil inlet being vertically arranged, and upper end is provided with the horizontal oily of the connection main oil inlet in the one-level housing
Road, the secondary inlet end bearing block are provided with the second oil duct of connection corresponding with the horizontal oil duct, it is characterised in that the water
Flat oil duct is provided with the groove for connecting the gas passage close to the secondary inlet end bearing block side.
It is further characterized by, and the groove is scalloped recess.The depth of the scalloped recess is 0.2-0.3mm.
After structure using the present invention, the setting of scalloped recess has connected horizontal oil duct and gas passage, and lubricating oil passes through
When exist spirt gas passage due to pressure difference, with the gases into two level main frame, then participate in expansion and discharge process, increase
Gas temperature is added, not over the temperature of expanding machine one-level entrance, also will not carry out extra economy to the material strips of housing and bear
Load, and in the inside of one-level housing, be directly formed by connecting with secondary inlet end bearing block, do not influence outward appearance and the assembling of unit
Feasibility, simple in construction, cost is low, solve thes problems, such as to improve the economy brought of inlet temperature.
Brief description of the drawings
Fig. 1 is structure main view of the present invention to schematic cross-sectional view；
Fig. 2 is one-level housing left view structural representation of the present invention；
Fig. 3 is secondary inlet end bearing block left view structural representation of the present invention；
Fig. 4 is enlarged diagram at structure at scalloped recess.
Embodiment
Seeing Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, heating arrangement between a kind of two-stage screw expander level, it includes one-level housing 1,
The exhaust end of one-level housing 1 is provided with secondary inlet end bearing block 2, and gas passage 7 is provided with one-level housing 1, one-level housing 1
Top is provided with the main oil inlet 3 being vertically arranged, and upper end is provided with the horizontal oil duct 4 for connecting main oil inlet 3, two level in one-level housing 1
Air inlet end bearing block 2 is provided with the second oil duct 6 of connection corresponding with horizontal oil duct 4, and horizontal oil duct 4 is close to secondary inlet end bearing block
2 sides are provided with the scalloped recess 5 of connection gas passage 7, and sector structure can guide the injection direction of lubricating oil, fan-shaped afterbody face
Product is big, is advantageous to improve heating effect.
When unit works, lubricating oil enters main frame from main oil inlet 3, is branched to by horizontal oil duct 4, the second oil duct 6
Two level main frame, lubricating oil is when by scalloped recess 5, because the pressure of lubricating oil herein is higher than secondary inlet in gas passage 7
Gas pressure, so in the presence of pressure difference, lubricating oil is by spirt secondary inlet, with the gases into two level main frame, so
Expansion and discharge process are participated in afterwards.Meanwhile the depth of scalloped recess 5 is very shallow, stock size 0.2-0.3mm will not be to second
Lubricating oil pressure in oil duct 6 produces big influence.
Claims (3)
1. heating arrangement between a kind of two-stage screw expander level, it includes one-level housing, and the one-level housing exhaust end is provided with
Secondary inlet end bearing block, gas passage is provided with the one-level housing, the top of the one-level housing, which is provided with, to be vertically arranged
Main oil inlet, upper end is provided with the horizontal oil duct for connecting the main oil inlet, secondary inlet end axle in the one-level housing
Bearing is provided with the second oil duct of connection corresponding with the horizontal oil duct, it is characterised in that the horizontal oil duct is close to the two level
Air inlet end bearing block side is provided with the groove for connecting the gas passage.
2. heating arrangement between a kind of two-stage screw expander level according to claim 1, it is characterised in that the groove is
Scalloped recess.
3. heating arrangement between a kind of two-stage screw expander level according to claim 2, it is characterised in that the sector is recessed
The depth of groove is 0.2-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700526.4A CN107387169A (en) | 2017-08-16 | 2017-08-16 | Heating arrangement between a kind of two-stage screw expander level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700526.4A CN107387169A (en) | 2017-08-16 | 2017-08-16 | Heating arrangement between a kind of two-stage screw expander level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387169A true CN107387169A (en) | 2017-11-24 |
Family
ID=60352474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710700526.4A Pending CN107387169A (en) | 2017-08-16 | 2017-08-16 | Heating arrangement between a kind of two-stage screw expander level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387169A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1463446A (en) * | 1965-01-13 | 1966-12-23 | Svenska Rotor Maskiner Ab | Screw rotor machine |
| EP0042027A1 (en) * | 1980-06-13 | 1981-12-23 | Man Gutehoffnungshütte Gmbh | Soren-rotor expansion engine |
| CN1417478A (en) * | 2002-12-16 | 2003-05-14 | 西安交通大学 | Rotor compression-expansion machine for refrigerating system |
| JP2008175123A (en) * | 2007-01-18 | 2008-07-31 | Yanmar Co Ltd | Rankine cycle power recovery device |
| US20090090486A1 (en) * | 2006-03-16 | 2009-04-09 | Behr Gmbh & Co. Kg | Heat exchanger for a motor vehicle |
| CN106285785A (en) * | 2016-10-21 | 2017-01-04 | 西安琦通新能源设备有限公司 | The single machine two-stage dilating screw machine that pressure energy of natural gas recycles |
| CN207261049U (en) * | 2017-08-16 | 2018-04-20 | 无锡锡压压缩机有限公司 | Heating structure between two-stage screw expander level |
-
2017
- 2017-08-16 CN CN201710700526.4A patent/CN107387169A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1463446A (en) * | 1965-01-13 | 1966-12-23 | Svenska Rotor Maskiner Ab | Screw rotor machine |
| EP0042027A1 (en) * | 1980-06-13 | 1981-12-23 | Man Gutehoffnungshütte Gmbh | Soren-rotor expansion engine |
| CN1417478A (en) * | 2002-12-16 | 2003-05-14 | 西安交通大学 | Rotor compression-expansion machine for refrigerating system |
| US20090090486A1 (en) * | 2006-03-16 | 2009-04-09 | Behr Gmbh & Co. Kg | Heat exchanger for a motor vehicle |
| JP2008175123A (en) * | 2007-01-18 | 2008-07-31 | Yanmar Co Ltd | Rankine cycle power recovery device |
| CN106285785A (en) * | 2016-10-21 | 2017-01-04 | 西安琦通新能源设备有限公司 | The single machine two-stage dilating screw machine that pressure energy of natural gas recycles |
| CN207261049U (en) * | 2017-08-16 | 2018-04-20 | 无锡锡压压缩机有限公司 | Heating structure between two-stage screw expander level |
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| SE01 | Entry into force of request for substantive examination |