CN105240057A - Circulating pneumatic system capable of recycling compressed air - Google Patents
Circulating pneumatic system capable of recycling compressed air Download PDFInfo
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- CN105240057A CN105240057A CN201510787476.9A CN201510787476A CN105240057A CN 105240057 A CN105240057 A CN 105240057A CN 201510787476 A CN201510787476 A CN 201510787476A CN 105240057 A CN105240057 A CN 105240057A
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- calming
- anger
- pneumatic system
- blade
- power output
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Abstract
The invention relates to a circulating pneumatic system capable of recycling compressed air. The circulating pneumatic system is characterized in that a high-pressure fan is connected with a plurality of single-engine power output working mechanisms connected in series, and a booster fan is connected among the single-engine power output working mechanisms connected in series. According to the circulating pneumatic system provided by the invention, the high-pressure fan is connected with the single-engine power output working mechanisms connected in series, and the booster fan is connected among the single-engine power output working mechanisms connected in series; and compared with a closed loop formed by six working mechanisms in patent 201510265222.0, the circulating pneumatic system has the advantage that the efficiency is improved by 20%-30% according to airflow pressure values measured by a pitot tube through several experiments, calculations and comparisons.
Description
Technical field
The present invention relates to air-powered motor technical field, particularly relate to one and to calm the anger body recycling circulation pneumatic system.
Background technique
Chinese invention patent application number is disclose a kind of power system with air as energy source in 201510265222.0, comprise high pressure positive blower, 1-N air engine working group, booster fan, alternator, storage battery, pto＝power take-off etc., core technology is the recycling to there being pressure gas stream, and in recycling process, due to on-way resistance and local resistance (bend pipe, air-flow through blade, by the draw etc.) effect under, the decline of air pressure will certainly be caused, cause the efficiency of system to reduce.And the value that air pressure falls can be reduced by the Technology design of operation mechanism, the value that air pressure falls reduces, and system effectiveness will improve.
Summary of the invention
For solving the problems of the technologies described above, the invention provides one to calm the anger body recycling circulation pneumatic system, be connected with several unit Power output type operation mechanisms of series connection by high pressure positive blower, booster fan is connected with between the unit Power output type operation mechanism of series connection, several unit Power output type operation mechanisms of described series connection are connected with by the draw by pto＝power take-off, described unit price Power output type operation mechanism comprises rotor, rotor surrounding is welded with blade, the tip of blade is welded with outer toroid wheel disc, the upper bottom surface excircle of rotor is provided with the draw-in groove of bearer ring, bearer ring is stuck in the draw-in groove of bearer ring, the rotor connected, blade, bearer ring and outer toroid wheel disc are fixed in cylindrical shell, cylindrical shell cover plate is covered on cylindrical shell, pressure gas inlet has been had in the bottom surface of cylindrical shell, cylindrical shell cover plate is provided with by draw suction port, described have pressure gas inlet with relative with the position of blade by draw suction port position.
Preferably, the unit Power output type operation mechanism inner space that rotor occupies is more than or equal to 70% of whole inner space.
Preferably, described is an important actor body by the draw.
Preferably, there is body recycling circulation pneumatic system of calming the anger online with several of connecting by high pressure positive blower
Power output type operation mechanism connects, between the online Power output type operation mechanism of series connection, be connected with booster fan.
Preferably, described online Power output type operation mechanism comprises exterior circular column, inner at exterior circular column, pto＝power take-off is connected with cylindrical rotor, cylindrical rotor is provided with and organizes blade more, and the tip of blade is welded with outer toroid wheel disc, often organizing between blade adopts two isolating rings to separate, isolating ring is provided with by draw gas port, uses between two isolating rings and connect by the draw, between isolating ring and cylindrical rotor, bearer ring is installed.
Preferably, the described position by draw gas port is relative with apical location in blade.
Preferably, described high pressure positive blower mainly comprises shell (31), the two ends of shell are suction port pipeline and air outlet pipeline respectively, pipeline side, enclosure air outlet is provided with fan supporting rod, fan shaft is arranged in fan supporting rod by the bearing on fan shaft, also be provided with fan shaft strut, blade fan with certain sphere fixedly mounts by the bearing on fan shaft, fan shaft there is fan shaft fixed gear connect motor gear by chain, the external outside at shell of motor gear, be included in motor gear closure, motor passes through the bearing drive motor pinion rotation of motor gear axle and motor gear body seal performance, in suction port pipeline direction, outer wall has reserve of gas spatial enclosure fan to be one to three.
Preferably, described in have the method for body recycling of calming the anger to be that body of calming the anger is passed into system, after blade, making air-flow by entering into next operation mechanism by the draw, finally getting back in high pressure positive blower, drive pto＝power take-off output mechanical energy by blade rotation.
Another technical problem to be solved by this invention is to provide a kind of terminal operative installations having body recycling circulation pneumatic system of calming the anger, a closed water tank is placed in by there being body recycling circulation pneumatic system of calming the anger, water tank is connected with cold water auto-control valve, water tank outside is connected with vapor pressure by steam auto-control valve and utilizes system, described water tank comprises tank shell, is provided with thermal insulation layer outside tank shell.
Preferably, described device using method is to have the body recycling circulation pneumatic system of calming the anger that has of some online Power output type operation mechanisms to be placed in a closed water tank, suitable cold water is injected by cold water auto-control valve, the heat of system is only absorbed by the water, water temperature produces steam after constantly raising and reaching boiling point, water tank internal pressure raises, reach suitable pressure, steam auto-control valve open, Steam Actuation vapor pressure utilizes intrasystem blade to do work, it is consistent that vapor pressure utilizes system and body of calming the anger in the present invention to reuse the pneumatic System Working Principle that circulates, discharge of steam after being utilized is to outside system, when the water being positioned at tank shell drops to certain water level, cold water auto-control valve automatic water supplement, when moisturizing is to the water level set in advance, cold water auto-control valve is closed automatically.The outside of tank shell is provided with thermal insulation layer, and thermal insulation layer makes the heat in water tank reduce and is dispersed into the external world.
The present invention is the improvement of pneumatic system in 201510265222.0 to number of patent application, mainly done the improvement of the following aspects:
1. by the openings of sizes of pipe, shape, mounting point, and will by pipe take up room and working space relative separation technology.2. the rotor done work in mechanism, blade, wheel disc has done suitable space collocation.
3. the outward edge of blade has added a weightening finish wheel disc.
Adopt the present invention, make 6 unit Power output type operation mechanisms and form closed-loop path, be formed with body recycling circulation pneumatic system of calming the anger, start high pressure positive blower, the force value of air-flow is measured with Pitot tube, be make compared with closed-loop path that 6 working machines are configured in 201510265222.0 equally with number of patent application, the force value of air-flow is measured with Pitot tube, through many experiments, calculate, relatively, the present invention raises the efficiency 20%-30%, online Power output type operation mechanism improves on the basis being unit Power output type operation mechanism, reduce unnecessary load, further increase the efficiency of the recycling of body of calming the anger.
Accompanying drawing explanation
Fig. 1 is unit Power output type operation mechanism cylindrical shell schematic diagram;
Fig. 2 is unit Power output type operation mechanism cylindrical shell cover plate schematic diagram;
Fig. 3 rotor of the present invention, blade and outer toroid wheel disc linkage structure schematic diagram;
Fig. 4 rotor of the present invention, bearer ring, blade, outer toroid wheel disc and cylindrical shell scheme of installation;
Fig. 5 the present invention is by draw schematic diagram;
Fig. 6 cylindrical shell of the present invention and by draw linkage structure schematic diagram;
Fig. 7 high pressure positive blower structural representation of the present invention;
Fig. 8 isolating ring schematic diagram of the present invention;
Fig. 9 the present invention online Power output type operation mechanism schematic diagram;
Figure 10 terminal of the present invention utilizes system schematic.
1. exterior circular column; 2. inner cylinder; 3. bearer ring; 4. the online Power output type of installation perpendicular to the ground; 5. gas circuit running route; 10. cylindrical shell cover plate; 11. bearing supports; 12. have pressure gas inlet; 13. by the draw; The base of 14. fixed rotors; 15. cylindrical shells; 16. axis holes; The cylindrical seat of 17. set collars; 18. by draw suction port; 20. rotors; 21. blades; 22. rotor bottom surfaces; 23. pto＝power take-offs; The draw-in groove of 24. bearer rings; 25. outer toroid wheel discs; 30. high pressure positive blowers; 31. high pressure positive blower shells; 32. charging air inlets; 33. high pressure positive blower suction port pipelines; 34. fan supporting rod; 35. chains; 36. motor gear closures; 37. motor gears; 38. fan shaft fixed gears; 39. motors; 40. reserve of gas spatial enclosure; The bearing of 41. motor gear body seal performances; Bearing on 42. fan shafts; 43. with the blade fan of certain sphere; 44. motor gear axles; 45. fan shaft struts; 46. high pressure positive blower air outlets; Bearing on 47. fan shafts; 48. fan shafts; 50. isolating rings; 51. by draw gas port; Annular space between 52. isolating rings and isolating ring; 53. back shafts; 54. booster fans; 55. gas pipelines; 60. thermal insulation layers; 61. tank shells; 62. calm the anger body recycling circulation pneumatic system; 63. vapor pressures utilize system; 64. steam auto-control valves; 65. cold water auto-control valves; 66. water tanks.
Embodiment
Below in conjunction with diagram, the invention will be further described.
embodiment 1
Unit Power output type operation mechanism, shown in Fig. 1 is cylindrical shell 15, the bottom surface of cylindrical shell 15 is provided with set collar 3 inner ring base 14, be provided with in the bottom surface of cylindrical shell 15 pressure gas inlet 12.Shown in Fig. 2 is the schematic diagram of cylindrical shell cover plate 10, cylindrical shell cover plate 10 is provided with the cylindrical seat 17 being used for fixing bearer ring 3 inner ring, in the middle of cylinder stand, have axis hole 16, on cylindrical shell cover plate 10, the outside of cylinder stand 17 has by draw suction port 18.
Shown in Fig. 3 is rotor 20, driven by pto＝power take-off 23, rotor 20 is the equipment on an annulus with upper bottom surface 22, one group of blade 21 is installed, the quantity of blade decides according to the size of rotor, the outward edge of blade is welded with one and is used for increasing weight and the outer toroid wheel disc 25 of gather qi together, the circumference periphery of the upper bottom surface 22 of rotor 20 there is bearer ring draw-in groove 24, be used for clamping bearer ring 3, rotor 20, the mounting type of bearer ring 3 and cylindrical shell 15 as shown in Figure 6, bearer ring 3 is arranged on the upper bottom surface 22 circumference periphery of rotor 20, pto＝power take-off 23 is connected with cylindrical shell 15 and cylindrical shell cover plate 10 through axis hole 16, be provided with by the draw 13 by draw suction port 18 position, be assembled into a unit body as shown in Figure 8, end opening by the draw 13 presses gas inlet 12 to be connected with having, the aperture position of gas inlet 12 is pressed to face nose part in blade 21 by draw suction port 18 with having.
In operation mechanism, space is reasonably combined is the effective ways that reduction air pressure falls with internal structure, solution is done by rotor 20 greatly, take more than 70% of whole inner space, blade is only stayed to run the bigger point space of passage, prevent useless space excessive, cause the reduction that air pressure falls, air pressure makes its consolidated movement through blade as far as possible, avoid dispersion, therefore add an outer round wheel disk 25 at the outward edge of blade.Irregular important actor bodies by the draw 13, by the size of draw suction port 18 according to air-flow after blade, the magnitude range of dispersion decides, and the track position will moved after blade according to air-flow in the mounting point by the draw 13 is determined.Several monomers to be as shown in Figure 6 fixed on axle bed through axis hole through pto＝power take-off 23 and to stretch out suitable length, then load onto one by one by the draw 13, form the state of some operation mechanisms series connection.
The high pressure positive blower 30 that working principle is illustrated in fig. 7 shown below is to body recycling circulation pneumatic system of calming the anger
Be filled with suitable pressurized gas.When high pressure positive blower 30 works, the air outlet 46 of high pressure positive blower 30 produces pressurized gas, the suction port 33 of high pressure positive blower 30 produces low pressure, pressure difference has been there is in the Inner eycle space of sealing, under the environment of pressure difference, highpressure air-flow moves to lowpressure direction, when high pressure positive blower 30 works, pressure gas stream is had constantly to circulate, in the process, the Inner eycle design of sealing makes full use of the physical property of air-flow, from the kinetic energy of air movement, constantly obtain energy, thus realize small-power input, the object of high-power output.
In order to avoid the intensification of system is on the impact of motor, the present invention improves high pressure positive blower, in inner loop system, motor is changed into outside system by original motor, as shown in Figure 7, high pressure positive blower 30 mainly comprises shell 31, the two ends of shell are suction port pipeline 33 and air outlet pipeline 46 respectively, shell 31 internal air exhaust ports pipeline side is provided with fan supporting rod 34, fan shaft 48 is arranged on fan supporting rod 34 by the bearing 47 on fan shaft, also be provided with fan shaft strut 45, blade fan 43 with certain sphere fixedly mounts by the bearing 42 on fan shaft, fan shaft 48 there is fan shaft fixed gear 38 connect motor gear 37 by chain 35, the external outside at shell 31 of motor gear 37, be included in motor gear closure 36, motor 39 is rotated by the bearing 41 drive motor gear 37 of motor gear axle 44 with motor gear body seal performance.In suction port pipeline 33 direction, outer wall has reserve of gas spatial enclosure 40.Fan can be one to three, realizes multistage pressurization, obtains larger force value, and the power of high pressure positive blower also can replace with oil-burning machine.
Adopt the present invention, make 6 unit Power output type operation mechanisms and form closed-loop path, be formed with body recycling circulation pneumatic system of calming the anger, start high pressure positive blower, measure the force value of air-flow with Pitot tube, be make compared with closed-loop path that 6 working machines are configured in 201510265222.0 equally with number of patent application, measure the force value of air-flow with Pitot tube, through many experiments, calculate, relatively, the present invention raises the efficiency 20%-30%.
embodiment 2
Online Power output type operation mechanism shown in Fig. 9.In order to improve the efficiency of the recycling having body of calming the anger and reduce unnecessary load, monomer series-connected for unit Power output type multiple in embodiment 1 is passed through improvement by this system, forms online Power output type monomer.
Fig. 9 mesohigh blower fan 30 to be connected by pipeline body of calming the anger and to be input to body of calming the anger and to reuse in circulation pneumatic system with exterior circular column 1, inner at exterior circular column 1, pto＝power take-off 23 is connected with cylindrical rotor 20, pto＝power take-off 23 is driven to rotate by rotor 20, cylindrical rotor 20 is provided with many group blades 21, often organizing between blade adopts two isolating rings 50 to separate, be two isolating ring, isolating ring 50 is fixed on the inwall of exterior circular column 1, the interior annulus of isolating ring 50 is provided with bearer ring 3, with cylindrical rotor 20 through bearer ring 3, use between two isolating ring and connect by the draw 13, an annular space 52 between isolating ring and isolating ring is defined between two isolating ring, an inner cylinder 2 is defined in online power type monomer again after being connected by bearer ring 3 between cylindrical rotor 20 with isolating ring 50, air-flow is gathered.
By the draw position relatively with tip in blade 21, the track of air-flow after blade 21 is semicircle, is that air-flow in order to disperse is more concentrated by being arranged on the position relative with tip in blade by draw position.Simultaneously in order to increase Power output rotary inertia, the outer toroid wheel disc 25 for weightening finish and gather qi together is welded with at the tip of blade 21, and realized by the weight increasing blade 21 and outer toroid wheel disc 25, but cross conference due to weight and cause load, in order to reduce load, employing vertical circulation is installed, and bottom surface adopts back shaft, and gravity can all be concentrated on the support surface by right angle setting.Reduce the load caused by gravity, horizontal type also can be adopted to install.Booster fan is connected by gas pipeline 55 after an online Power output type monomer, connect the online Power output type monomer 4 of installation perpendicular to the ground again, as required, after some monomers connect, be connected with the suction port of high pressure positive blower, form a body recycling circulation pneumatic system of calming the anger.The position of booster fan 54 is flexibly.Obtain in the process of air energy in circulation, air engine working group pto＝power take-off 23 output mechanical energy, some mechanical can be converted into electric energy by generator, adopt storage battery to electric energy to timely storage, there is provided the energy to booster fan 4 simultaneously, storage battery adopts many groups (1 group 6, 3-4 groups), wheels are enabled, give first group of charging when enabling for first group, shallowly rush shallow putting, when first group of electric energy release closes on about 20%, start second group, generator is first group simultaneously, second group of charging, take turns current charge successively, ensure the charging of three group storage battery moment, reach self-sufficient.
Online Power output type is unit Power output type internal structure smooth surface comparatively, decrease the quantity of bend pipe, the angle design of bend pipe is more scientific, distributes more rationalize operation mechanism inner space, improve the recycling utilizing and have body of calming the anger, reduce unnecessary load.
embodiment 3
Figure 10 is when calming the anger the body recycling pneumatic system works of circulation, air-flow is through blade, the kinetic transformation of gas becomes mechanical energy, release heat, system temperature is raised, the side effect that the too high formation of temperature is certain, in order to head it off, this terminal is adopted to utilize system, it is favourable for turning drawback, as shown in Figure 10, dash area is abridged operation mechanism, a closed water tank 66 is placed in by there being the body recycling circulation pneumatic system 62 of calming the anger that has of some online Power output type operation mechanisms, the water suitably put is injected by cold water auto-control valve 65, the heat of system is only absorbed by the water, water temperature produces steam after constantly raising and reaching boiling point, water tank internal pressure raises, reach suitable pressure, steam auto-control valve 64 is opened, Steam Actuation vapor pressure utilizes the blade in system 63 to do work, it is consistent that vapor pressure utilizes system 63 and body of calming the anger in the present invention to reuse the pneumatic System Working Principle that circulates.Discharge of steam after being utilized is to outside system, and when the water being positioned at tank shell 61 drops to certain water level, cold water auto-control valve 65 automatic water supplement, when moisturizing is to the water level set in advance, cold water auto-control valve 65 is closed automatically.The outside of tank shell 61 is provided with thermal insulation layer 60, and thermal insulation layer makes the heat in water tank reduce and is dispersed into the external world, and this device is mainly used in device when generating electricity, and also can be used in other purposes.
embodiment 4
Gas-discharging type system, still adopt closed body recycling circulation pneumatic system of calming the anger, high pressure positive blower sucks extraneous natural gas, after recycling, body of calming the anger is discharged into the external world, terminal drainage adopts by draw discharge, by the suitable space length in draw interval, arranges closed;
Core concept in the present invention is by body recycling of calming the anger, different designs can be derived on this basis, not only be confined to the embodiment in the present invention, the high temperature and high pressure gas that oil-burning machine produces also can carry out reusing rear toxic emission to outside system with the operation mechanism in this technology, the outer power of pressure fan also useable fuel machine substitutes, just different application, technology type is different.
Claims (10)
1. a body recycling circulation pneumatic system of calming the anger, it is characterized in that: be connected with several unit Power output type operation mechanisms of series connection by high pressure positive blower, booster fan is connected with between the unit Power output type operation mechanism of series connection, several unit Power output type operation mechanisms of described series connection are connected with by the draw (13) by pto＝power take-off (23), described unit Power output type operation mechanism comprises rotor (20), rotor (20) surrounding is welded with blade (21), the tip of blade (21) is welded with outer toroid wheel disc (25), the upper bottom surface excircle of rotor (20) is provided with the draw-in groove (24) of bearer ring, bearer ring (3) is stuck in the draw-in groove (24) of bearer ring, the rotor (20) connected, blade (21), bearer ring (3) and outer toroid wheel disc (25) are fixed in cylindrical shell (15), cylindrical shell cover plate (10) is covered on cylindrical shell (15), pressure gas inlet (12) has been had in the bottom surface of cylindrical shell (15), cylindrical shell cover plate (10) is provided with by draw suction port (18), described have pressure gas inlet (12) with relative with the position of blade (21) by draw suction port (18) position.
2. body recycling circulation pneumatic system of calming the anger according to claim 1, is characterized in that: the unit Power output type operation mechanism inner space that described rotor (20) occupies is more than or equal to 70% of whole inner space.
3. body recycling circulation pneumatic system of calming the anger according to claim 1, is characterized in that: described is an important actor body by the draw (13).
4. body recycling circulation pneumatic system of calming the anger according to claim 1, it is characterized in that: described in have body recycling circulation pneumatic system of calming the anger to be connected with several online Power output type operation mechanisms of series connection by high pressure positive blower, between the online Power output type operation mechanism of connecting, be connected with booster fan.
5. body recycling circulation pneumatic system of calming the anger according to claim 4, it is characterized in that: described online Power output type operation mechanism comprises exterior circular column (1), inner at exterior circular column (1), pto＝power take-off (23) is connected with cylindrical rotor (20), cylindrical rotor (20) is provided with and organizes blade (21) more, the tip of blade (21) is welded with outer toroid wheel disc (25), often organizing between blade adopts two isolating rings (50) to separate, isolating ring (50) is provided with by draw gas port (51), use between two isolating rings (50) and connect by the draw (13), bearer ring (13) is installed between isolating ring (50) and cylindrical rotor (20).
6. body recycling circulation pneumatic system of calming the anger according to claim 5, is characterized in that: the described position by draw gas port (51) is relative with the middle apical location of blade (21).
7. the body recycling circulation pneumatic system of calming the anger according to claim arbitrary in claim 1 to 6, it is characterized in that: described high pressure positive blower (30) mainly comprises shell (31), the two ends of shell are suction port pipeline (33) and air outlet pipeline (46) respectively, shell (31) internal air exhaust ports pipeline side is provided with fan supporting rod (34), fan shaft (48) is arranged in fan supporting rod (34) by the bearing (47) on fan shaft, also be provided with fan shaft strut (45), blade fan (43) with certain sphere fixedly mounts by the bearing (42) on fan shaft, fan shaft (48) there is fan shaft fixed gear (38) connect motor gear (37) by chain (35), the external outside in shell (31) of motor gear (37), be included in motor gear closure (36), motor (39) is rotated by bearing (41) the drive motor gear (37) of motor gear axle (44) with motor gear body seal performance, in suction port pipeline (33) direction, outer wall has reserve of gas spatial enclosure (40), fan is one to three.
8. body recycling circulation pneumatic system of calming the anger according to claim 1, it is characterized in that: described in have calm the anger body recycling method be calm the anger body in system, after blade, make air-flow by entering into next operation mechanism by the draw, finally get back in high pressure positive blower, drive pto＝power take-off output mechanical energy by blade rotation.
9. one kind has the terminal operative installations of body recycling circulation pneumatic system of calming the anger, it is characterized in that: have body recycling circulation pneumatic system (62) of calming the anger to be placed in a closed water tank (66), water tank is connected with cold water auto-control valve (65), water tank (66) outside is connected with vapor pressure by steam auto-control valve (64) and utilizes system (63), described water tank (66) comprises tank shell (61), and tank shell (61) outside is provided with thermal insulation layer (61).
10. the terminal operative installations having body recycling circulation pneumatic system of calming the anger according to claim 9, it is characterized in that: described device using method is to have body recycling circulation pneumatic system (62) of calming the anger that has of some online Power output type operation mechanisms to be placed in a closed water tank (66), suitable cold water is injected by cold water auto-control valve (65), the heat of system is only absorbed by the water, water temperature produces steam after constantly raising and reaching boiling point, water tank internal pressure raises, reach suitable pressure, steam auto-control valve (64) is opened, Steam Actuation vapor pressure utilizes the blade in system (63) to do work, it is consistent that vapor pressure utilizes system (63) and body of calming the anger in the present invention to reuse the pneumatic System Working Principle that circulates, discharge of steam after being utilized is to outside system, when the water being positioned at tank shell (61) drops to certain water level, cold water auto-control valve (65) automatic water supplement, when moisturizing is to the water level set in advance, cold water auto-control valve (65) is closed automatically, the outside of tank shell (61) is provided with thermal insulation layer (60), and thermal insulation layer makes the heat in water tank reduce and is dispersed into the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787476.9A CN105240057A (en) | 2015-11-17 | 2015-11-17 | Circulating pneumatic system capable of recycling compressed air |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787476.9A CN105240057A (en) | 2015-11-17 | 2015-11-17 | Circulating pneumatic system capable of recycling compressed air |
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| CN105240057A true CN105240057A (en) | 2016-01-13 |
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| CN201510787476.9A Pending CN105240057A (en) | 2015-11-17 | 2015-11-17 | Circulating pneumatic system capable of recycling compressed air |
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| CN108202170A (en) * | 2017-11-24 | 2018-06-26 | 杨海才 | A kind of modified equipment manufacturing gantry type cutting device |
| CN108213578A (en) * | 2017-11-24 | 2018-06-29 | 杨海才 | A kind of New Equipments manufacture gantry type cutting device |
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| CN101666250A (en) * | 2009-09-25 | 2010-03-10 | 天津大学 | System for improving low-temperature heat source power generation capacity by using injection pump |
| CN101979861A (en) * | 2010-10-18 | 2011-02-23 | 石金成 | Method and system for utilizing engine waste heat |
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Application publication date: 20160113 |