CN104500263A - Multi-layer pentagon-type Stirling engine for waste incineration and waste heat recovery - Google Patents
Multi-layer pentagon-type Stirling engine for waste incineration and waste heat recovery Download PDFInfo
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- CN104500263A CN104500263A CN201410658087.1A CN201410658087A CN104500263A CN 104500263 A CN104500263 A CN 104500263A CN 201410658087 A CN201410658087 A CN 201410658087A CN 104500263 A CN104500263 A CN 104500263A
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- pentagon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/044—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines having at least two working members, e.g. pistons, delivering power output
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Disclosed is a multi-layer pentagon-type Stirling engine for waste incineration and waste heat recovery. The multi-layer pentagon-type Stirling engine comprises multiple identical working modules connected axially, and each working module comprises five circumferentially-arranged free-piston Stirling cycle generators which are heated through annular hot gas pipes and coupled together through a pentagonal swing-block eccentric mechanism and convert rectilinear motion outputted by power pistons into rotary motion of a rotating shaft for generating power or driving other loads. Hot gas is directly utilized for conversion so as to generate mechanical energy, the rectilinear motion outputted by the power pistons can be converted into rotary motion of crankshafts, meanwhile the problem of eccentric load on pistons of crank-link mechanisms is avoided, gas sealing at the power pistons is realized easily, and the structure is simple.
Description
Technical field
The invention belongs to energy-saving equipment field, be specifically related to a kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery.
Background technique
Waste incineration and generating electricity is a kind of effective waste disposal method, and it, after suitably being processed by rubbish, is put in incinerator and carry out Thorough combustion, produce the gas heating water of high temperature, thus generation high-temperature vapor, promote rotating turbine, make generator produce electric energy.But existing garbage incinerating power plant all adopts steam turbine to generate electricity, need to use high-temperature fuel gas heating water, and then promote turbo machine with water vapour, in this process, there is the loss of inevitable amount of heat, make equipment volume increase, complex structure simultaneously.
In recent years, the development of Gas sealing technology, Stirling engine is come back to application.Stirling engine is that the pastor Luo Bate Stirling (Robert Stirling) in London was in invention in 1816, it is by when gases are heated, they expand, meets cold compression and produce a kind of external-combustion engine of power, its actual efficiency is no better than intrinsic peak efficiency (Carnot's cycle efficiency), therefore receive and pay close attention to widely, but due to the fast development of internal-combustion engine, Stirling engine the is faded out sight line of commercial Application, only applies to some extent in minority military field.Until in the last few years, domestic gas sealing technique was developed, and the high quality chemical energy consumption simultaneously needed for internal-combustion engine totally, makes Stirling engine again become the focus of research.The protrusion advantage of Stirling engine is applicable to almost all energy, people are made to be utilized the unserviceable energy originally, as the heat energy produced in Refuse Incineration Process, directly can be converted into mechanical energy by Stirling engine, and then be converted into required energy form by corresponding device.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery, directly utilize high-temperature fuel gas to transform, produce mechanical energy, structure is simple.
In order to achieve the above object, the technological scheme that the present invention takes is:
A kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery, comprise the multiple identical operational module axially connected, according to watt level increase and decrease operational module quantity, wherein each operational module comprises five free piston stirling circulating generators 1, five free piston stirling circulating generator 1 circumferences are evenly arranged between end anchorage 10 and middle fixed base 16, end anchorage 10 and middle fixed base 16 are tubular constructions of band lug, circumference has semicircle orifice, free piston stirling circulating generator 1 can be stuck in position of opening, end anchorage 10 and middle fixed base 16 link together, the outer cylinder 1-1 rounded ends of each free piston stirling circulating generator 1 is processed with outside thread, and is connected with heating pipe 2 by screw thread, scribbles layer of insulation material 3 outside heating pipe 2, the power piston 1-5 front end of each free piston stirling circulating generator 1 is disk-shaped structure, power piston 1-5 is clipped in the middle by left holding tray 4 and right holding tray 13, simultaneously also by pentagon swinging block 6 and on it roller 5 be clipped in the middle, left holding tray 4, right holding tray 13 and pentagon swinging block 5 are clamped together by five clamping bolts 8, power piston 1-5 can slide in the cavity on roller 5 between left holding tray 4 and right holding tray 13, sliding bearing 7 is arranged in the through hole in the middle of pentagon swinging block 6, the inner ring interference fit centre bearing simultaneously of eccentric bushing 9 outer ring and sliding bearing 7 is on the shoulder of rotating shaft 12, axially fixed by abutment sleeve 15, circumference is by flat key 11 transferring power, rotating shaft 12 passes through two end bearing 14 bearings in the perforate of end anchorage 10.
Described free piston stirling circulating generator 1 comprises outer cylinder 1-1, heating heat exchanger 1-12, Recuperative heat exchanger 1-2 and cooler 1-3 are installed in the inwall fluting of outer cylinder 1-1, heating heat exchanger 1-12 distance outer cylinder 1-1 nose circle is nearest, and cooler 1-3 distance outer cylinder 1-1 nose circle farthest, ram 1-4 is fixed on the flush end of outer cylinder 1-1, ram 1-4 side is column construction, moving gas piston seat 1-6 is sleeved on the column construction of ram 1-4, can be free to slide, and surface of contact there is gas-tight sealing, move side, gas piston seat 1-6 outer ring and be processed with outside thread, move gas piston 1-13 and be threaded connection to be fixed on and move on gas piston seat 1-6, first leaf spring 1-8 and the second leaf spring 1-10 is also sleeved on the column construction of ram 1-4, center is by column construction shoulder, first cylindrical central sleeve 1-14 and the second cylindrical central sleeve 1-16 determines axial position, two round nut 1-15 will be sleeved on each member grip of column construction by the screw thread of ram 1-4 column construction outermost end, first leaf spring 1-8 and the second leaf spring 1-10 outer ring are by the first positioning ring 1-7, second positioning ring 1-9 and leaf spring connecting bolt 1-11 with move gas piston seat 1-6 and be connected, when moving gas piston seat 1-6 and departing from equilibrium position, first leaf spring 1-8 and the second leaf spring 1-10 can provide restoring force, in the cavity of ram 1-4 opposite side, power piston 1-5 is installed, surface of contact has gas-tight sealing.
Described heating pipe 2 is pipelines of annular, has a suction port and an air outlet, adopts mode that is in parallel or series connection to connect between the heating pipe 2 of each operational module.
Described Recuperative heat exchanger 1-2 is a kind of wire of porous or the metallic material of porous, cold air by time, gas is heated, heat rise body by time, gas is cooled.
Described cooler 1-3 is a kind of thin-walled flat tube, ringwise, wherein cooling medium can be led to, with two flexible pipes on cooler 1-3, passing into and flowing out for cooling medium, when mounted, it is inner that flexible pipe is first compressed in cooler 1-3, after device 1-3 to be cooled has good positioning, then by the perforate on outer cylinder 1-1, flexible pipe is drawn out.
Advantage of the present invention is: adopt the mode of circumferentially free piston stirling circulating generator 1 to save axial space, and the specific power of device is improved, and can realize very large total output by axial multiple module arranged side by side simultaneously; Ring type heating pipe ensure that the effective utilization of device to available thermal energy in hot gas, and the heating pipe 2 of each module can take the mode of parallel connection or series connection, and setting type is flexible; The transform linear motion that power piston can export by pentagon swinging block 6 is the rotary motion of bent axle, avoids the problem of connecting rod piston by unbalance loading simultaneously, the gas seal at power piston place is easily realized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's operational module.
Fig. 2 is that the present invention axially partly cuts open structural representation when comprising two operational modules.
Fig. 3 is the structural representation of the free Stirling cycle generator 1 of the present invention.
Embodiment
With reference to the accompanying drawings detailed explaination is done to the present invention.
See figures.1.and.2, a kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery, comprise the operational module that two of axially connecting are identical, according to watt level increase and decrease operational module quantity, wherein each operational module comprises five free piston stirling circulating generators 1, five free piston stirling circulating generator 1 circumferences are evenly arranged between end anchorage 10 and middle fixed base 16, end anchorage 10 and middle fixed base 16 are tubular constructions of band lug, circumference has semicircle orifice, free piston stirling circulating generator 1 can be stuck in position of opening, end anchorage 10 and middle fixed base 16 link together, the outer cylinder 1-1 rounded ends of each free piston stirling circulating generator 1 is processed with outside thread, and is connected with heating pipe 2 by screw thread, scribbles layer of insulation material 3 outside heating pipe 2, the power piston 1-5 front end of each free piston stirling circulating generator 1 is disk-shaped structure, power piston 1-5 is clipped in the middle by left holding tray 4 and right holding tray 13, simultaneously also by pentagon swinging block 6 and on it roller 5 be clipped in the middle, left holding tray 4, right holding tray 13 and pentagon swinging block 5 are clamped together by five clamping bolts 8, power piston 1-5 can slide in the cavity on roller 5 between left holding tray 4 and right holding tray 13, sliding bearing 7 is arranged in the through hole in the middle of pentagon swinging block 6, the inner ring interference fit centre bearing simultaneously of eccentric bushing 9 outer ring and sliding bearing 7 is on the shoulder of rotating shaft 12, axially fixed by abutment sleeve 15, circumference is by flat key 11 transferring power, rotating shaft 12 passes through two end bearing 14 bearings in the perforate of end anchorage 10.
With reference to Fig. 3, described free piston stirling circulating generator 1 comprises outer cylinder 1-1, heating heat exchanger 1-12, Recuperative heat exchanger 1-2 and cooler 1-3 are installed in the inwall fluting of outer cylinder 1-1, heating heat exchanger 1-12 distance outer cylinder 1-1 nose circle is nearest, and cooler 1-3 distance outer cylinder 1-1 nose circle farthest, ram 1-4 is fixed on the flush end of outer cylinder 1-1 by its upper flange and screw, ram 1-4 side is column construction, moving gas piston seat 1-6 is sleeved on the column construction of ram 1-4, can be free to slide, and surface of contact there is gas-tight sealing, move side, gas piston seat 1-6 outer ring and be processed with outside thread, move gas piston 1-13 and be threaded connection to be fixed on and move on gas piston seat 1-6, first leaf spring 1-8 and the second leaf spring 1-10 is also sleeved on the column construction of ram 1-4, center is by column construction shoulder, first cylindrical central sleeve 1-14 and the second cylindrical central sleeve 1-16 determines axial position, two round nut 1-15 will be sleeved on each member grip of column construction by the screw thread of ram 1-4 column construction outermost end, first leaf spring 1-8 and the second leaf spring 1-10 outer ring are by the first positioning ring 1-7, second positioning ring 1-9 and leaf spring connecting bolt 1-11 with move gas piston seat 1-6 and be connected, when moving gas piston seat 1-6 and departing from equilibrium position, first leaf spring 1-8 and the second leaf spring 1-10 can provide restoring force, in the cavity of ram 1-4 opposite side, power piston 1-5 is installed, surface of contact has gas-tight sealing, prevent working medium to run off.
With reference to Fig. 1, described heating pipe 2 is pipelines of annular, has a suction port and an air outlet, adopts mode that is in parallel or series connection to connect, realize the efficiency utilization to heat energy in hot gas between the heating pipe 2 of each operational module.
With reference to Fig. 3, described Recuperative heat exchanger 1-2 be a kind of wire of porous or the metallic material of porous, cold air by time, gas is heated, heat rise body by time, gas is cooled.
Described cooler 1-3 is a kind of thin-walled flat tube, ringwise, wherein cooling medium can be led to, with two flexible pipes on cooler 1-3, passing into and flowing out for cooling medium, when mounted, it is inner that flexible pipe is first compressed in cooler 1-3, after device 1-3 to be cooled has good positioning, then by the perforate on outer cylinder 1-1, flexible pipe is drawn out.
Working principle of the present invention is: free piston stirling circulating generator 1 is expanded by hot gas, cold air shrinks and drives power piston 1-5 to do work, when outer cylinder 1-1 nose circle is heated, outer cylinder 1-1 and the working medium moved between gas piston 1-13 are heated, and move the gas piston 1-13 the other end and by cooler 1-3, working medium is cooled, make to move between gas piston 1-13 two ends and produce certain pressure difference, promotion moves gas piston seat 1-6 slightly movement, after moving to certain position, move gas piston seat 1-6 to move back under the effect of the first leaf spring 1-8 and the second leaf spring 1-10 again, while moving gas piston seat 1-6 movement, the gas piston 1-13 that moves on it is driven to move, make cold and hot working medium in fire end and colling end forced flow, thus propulsion power piston 1-5 externally does work, because cold and hot medium constantly shakes moving gas piston 1-13 two ends, so move gas piston 1-13 two ends to there is certain pressure reduction all the time, this makes when fire end and colling end exist enough temperature difference, move gas piston seat 1-6 and move gas piston 1-13 and can produce cyclical movement continuously, and then the power piston 1-5 of free piston stirling circulating generator 1 is externally done work continuously, in each operational module, there are five free piston stirling circulating generators 1, they are coupled by pentagon swinging block eccentric stiffener, the straight line motion that power piston 1-5 exports is converted to the rotary motion of rotating shaft 12, its effect is similar to connecting rod, but is that of avoiding the problem that connecting rod piston is subject to unbalance loading.
Claims (4)
1. the multilayer pentagon formula Stirling engine for waste incineration waste heat recovery, comprise the multiple identical operational module axially connected, according to watt level increase and decrease operational module quantity, wherein each operational module comprises five free piston stirling circulating generators (1), five free piston stirling circulating generator (1) circumferences are evenly arranged between end anchorage (10) and middle fixed base (16), end anchorage (10) and middle fixed base (16) are the tubular constructions of band lug, circumference has semicircle orifice, free piston stirling circulating generator (1) can be stuck in position of opening, end anchorage (10) and middle fixed base (16) link together, outer cylinder (1-1) rounded ends of each free piston stirling circulating generator (1) is processed with outside thread, and be connected with heating pipe (2) by screw thread, scribble layer of insulation material (3) outside heating pipe (2), power piston (1-5) front end of each free piston stirling circulating generator (1) is disk-shaped structure, power piston (1-5) is clipped in the middle by left holding tray (4) and right holding tray (13), simultaneously also by pentagon swinging block (6) and on it roller (5) be clipped in the middle, left holding tray (4), right holding tray (13) and pentagon swinging block (5) are clamped together by five clamping bolts (8), power piston (1-5) can slide in the cavity on roller (5) between left holding tray (4) and right holding tray (13), sliding bearing (7) is arranged in the through hole in the middle of pentagon swinging block (6), the inner ring interference fit centre bearing simultaneously of eccentric bushing (9) outer ring and sliding bearing (7) is on the shoulder of rotating shaft (12), axially fixed by abutment sleeve (15), circumference is by flat key (11) transferring power, rotating shaft (12) by two end bearing (14) bearings in the perforate of end anchorage (10),
Described free piston stirling circulating generator (1) comprises outer cylinder (1-1), heating heat exchanger (1-12), Recuperative heat exchanger (1-2) and cooler (1-3) are installed in the inwall fluting of outer cylinder (1-1), heating heat exchanger (1-12) distance outer cylinder (1-1) nose circle is nearest, and cooler (1-3) distance outer cylinder (1-1) nose circle farthest, ram (1-4) is fixed on the flush end of outer cylinder (1-1), ram (1-4) side is column construction, moving gas piston seat (1-6) is sleeved on the column construction of ram (1-4), can be free to slide, and surface of contact there is gas-tight sealing, move gas piston seat (1-6) side, outer ring and be processed with outside thread, move gas piston (1-13) and be threaded connection to be fixed on and move on gas piston seat (1-6), first leaf spring (1-8) and the second leaf spring (1-10) are also sleeved on the column construction of ram (1-4), center is by column construction shoulder, first cylindrical central sleeve (1-14) and the second cylindrical central sleeve (1-16) determine axial position, two round nut (1-15) will be sleeved on each member grip of column construction by the screw thread of ram (1-4) column construction outermost end, first leaf spring (1-8) and the second leaf spring (1-10) outer ring are by the first positioning ring (1-7), second positioning ring (1-9) and leaf spring connecting bolt (1-11) with move gas piston seat (1-6) and be connected, when moving gas piston seat (1-6) and departing from equilibrium position, first leaf spring (1-8) and the second leaf spring (1-10) can provide restoring force, power piston (1-5) is installed in the cavity of ram (1-4) opposite side, surface of contact has gas-tight sealing.
2. a kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery according to claim 1, it is characterized in that: described heating pipe (2) is the pipeline of annular, there are a suction port and an air outlet, between the heating pipe (2) of each operational module, adopt mode that is in parallel or series connection to connect.
3. a kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery according to claim 1, it is characterized in that: described Recuperative heat exchanger (1-2) is a kind of wire of porous or the metallic material of porous, when cold air is passed through, gas is heated, heat rise body by time, gas is cooled.
4. a kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery according to claim 1, it is characterized in that: described cooler (1-3) is a kind of thin-walled flat tube, ringwise, wherein cooling medium can be led to, with two flexible pipes on cooler (1-3), passing into and flowing out for cooling medium, when mounted, it is inner that flexible pipe is first compressed in cooler (1-3), after device to be cooled (1-3) is had good positioning, then by the perforate on outer cylinder (1-1), flexible pipe is drawn out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658087.1A CN104500263B (en) | 2014-11-18 | 2014-11-18 | A kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658087.1A CN104500263B (en) | 2014-11-18 | 2014-11-18 | A kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery |
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| Publication Number | Publication Date |
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| CN104500263A true CN104500263A (en) | 2015-04-08 |
| CN104500263B CN104500263B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410658087.1A Expired - Fee Related CN104500263B (en) | 2014-11-18 | 2014-11-18 | A kind of multilayer pentagon formula Stirling engine for waste incineration waste heat recovery |
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| CN (1) | CN104500263B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422634A (en) * | 2015-12-28 | 2016-03-23 | 宁波达奋精工轴承有限公司 | Bearing convenient to use |
| CN111059839A (en) * | 2019-12-27 | 2020-04-24 | 青岛海尔智能技术研发有限公司 | Control method for refrigerating and freezing device and refrigerating and freezing device |
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| GB821822A (en) * | 1954-10-05 | 1959-10-14 | Energy Ltd | Improvements in and relating to heat engines operating on the stirling or ericsson heat cycles |
| CN1269465A (en) * | 2000-04-29 | 2000-10-11 | 西安交通大学 | Supercritical backheat-heated engine |
| US20070044467A1 (en) * | 2005-08-31 | 2007-03-01 | Benjamin Ziph | Hydrogen equalization system for double-acting stirling engine |
| JP2007239661A (en) * | 2006-03-09 | 2007-09-20 | Toyota Motor Corp | Exhaust heat recovery device |
| CN101915178A (en) * | 2010-02-01 | 2010-12-15 | 雷涛 | Zero leakage external firing heat engine |
| CN203081608U (en) * | 2012-12-18 | 2013-07-24 | 成都宇能通能源开发有限公司 | Heat accumulation Stirling engine |
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2014
- 2014-11-18 CN CN201410658087.1A patent/CN104500263B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB821822A (en) * | 1954-10-05 | 1959-10-14 | Energy Ltd | Improvements in and relating to heat engines operating on the stirling or ericsson heat cycles |
| CN1269465A (en) * | 2000-04-29 | 2000-10-11 | 西安交通大学 | Supercritical backheat-heated engine |
| US20070044467A1 (en) * | 2005-08-31 | 2007-03-01 | Benjamin Ziph | Hydrogen equalization system for double-acting stirling engine |
| JP2007239661A (en) * | 2006-03-09 | 2007-09-20 | Toyota Motor Corp | Exhaust heat recovery device |
| CN101915178A (en) * | 2010-02-01 | 2010-12-15 | 雷涛 | Zero leakage external firing heat engine |
| CN203081608U (en) * | 2012-12-18 | 2013-07-24 | 成都宇能通能源开发有限公司 | Heat accumulation Stirling engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422634A (en) * | 2015-12-28 | 2016-03-23 | 宁波达奋精工轴承有限公司 | Bearing convenient to use |
| CN105422634B (en) * | 2015-12-28 | 2018-12-14 | 江苏京冶海上风电轴承制造有限公司 | A kind of bearing easy to use |
| CN111059839A (en) * | 2019-12-27 | 2020-04-24 | 青岛海尔智能技术研发有限公司 | Control method for refrigerating and freezing device and refrigerating and freezing device |
| CN111059839B (en) * | 2019-12-27 | 2023-06-20 | 青岛海尔智能技术研发有限公司 | Control method for refrigerating and freezing device and refrigerating and freezing device |
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| CN104500263B (en) | 2016-01-20 |
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