CN105822457A

CN105822457A - Novel waste transporting equipment

Info

Publication number: CN105822457A
Application number: CN201610188557.1A
Authority: CN
Inventors: 时建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-30
Filing date: 2016-03-30
Publication date: 2016-08-03

Abstract

The invention discloses novel waste transporting equipment, which comprises a vehicle body, an upper cover plate, two connecting rods, a hydraulic rod and an engine energy recovery device; the lower ends of the two connecting rods are hinged on the vehicle body, while the upper ends are connected with the upper cover plate; one end of the hydraulic rod is connected with one of the two connecting rods, while the other end is hinged on the vehicle body; the waste transporting equipment is driven by an engine; the engine energy recovery device is used for recovering the heat from the tail gas of the engine. The waste transporting equipment has a simple and useful structure, is designed into a top-open and lifting type; the lifting type top cover has a simple structure, can be lifted easily, occupies only a small space when opened, and can cover the top of the case during transportation to achieve high safety; furthermore, the equipment can reutilize the energy of the engine exhaust gas, and therefore saves energy and protects environment.

Description

A kind of New-type refuse vehicle conveying arrangement

Technical field

The present invention relates to field of garbage disposal, be specifically related to a kind of New-type refuse vehicle conveying arrangement.

Background technology

For canned garbage transport vehicle, transport for convenience, the generally height of casing will not arrange the highest, it is only slightly higher than the height of refuse receptacle, casing for above-mentioned span formula, when left wing's panel of casing and right flank panel are not switched on, operation insufficient height due to casing, people enters casing and need to bend over to operate, inconvenient operation, need whole left wing panel and/or right flank panel to fully open to meet barrelling or unload the operational requirements of bucket, but left wing's panel and/or right flank panel fully open and not only take up room big but also operate complicated heavy.The deficiencies such as it is complicated that the most existing cram packer there is also structure, and energy consumption higher-energy secondary is under-utilized.

Summary of the invention

For the problems referred to above, the present invention provides a kind of New-type refuse vehicle conveying arrangement.

The purpose of the present invention realizes by the following technical solutions:

A kind of New-type refuse vehicle conveying arrangement, it is characterized in that, including car body, upper cover plate, connecting rod, hydraulic stem and engine power retracting device, 2 described connecting rod lower ends are hinged on car body, upper end is connected with described upper cover plate, one end of hydraulic stem is connected with one of them connecting rod, and the other end is hinged on car body；This garbage transporting device is driven by electromotor, described engine power retracting device is for reclaiming the heat of motor exhaust, and it includes radiator, electromotor, backwater vaporizer, high temperature heat-exchanging loop, low-temperature heat exchange loop, accumulator battery, inverter and converter, backpressure regulation blower fan；Described radiator is connected with electromotor, and radiator leads to supercooled water to be transferred to the heat of electromotor on radiator, and by the surface radiating of radiator；The tail gas of electromotor sequentially passes through backpressure regulation blower fan, high-temperature evaporator, cryogenic vaporizer cooling heel row to air；

High temperature heat-exchanging loop includes high temperature circulation pump, high-temperature evaporator, high temperature multistage expansion turbine and the warm condenser being sequentially connected, in high temperature heat-exchanging loop, the medium of flowing is water, high-temperature evaporator is arranged on the high-temperature tail gas pipeline after backpressure regulation blower fan, the WATER AS FLOW MEDIUM cooled down through warm condenser is squeezed in high-temperature evaporator by high temperature circulation pump, and the WATER AS FLOW MEDIUM after heating subsequently enters the acting of high temperature multistage expansion turbine；

Low-temperature heat exchange loop includes cold cycle pump, cryogenic vaporizer, intermediate extraction superheater, low temperature multistage decompressor and the low-temperature condenser being sequentially connected, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer is arranged on the low temperature exhaust gas pipeline after high-temperature evaporator；Being squeezed in cryogenic vaporizer through the medium R245fa of low-temperature condenser cooling by cold cycle pump, the WATER AS FLOW MEDIUM after heating enters the acting of low temperature multistage decompressor after intermediate extraction superheater heats；Intermediate extraction superheater is pipe heat exchanger, and heat source draws gas from the intergrade of high temperature multistage expansion turbine；Also include regulating valve, described regulation valve is according to the R245fa Temperature Feedback after intermediate extraction superheater and the pressure feedback in high temperature multistage expansion turbine, for regulating the flow that intergrade is drawn gas, when the R245fa Temperature Feedback value after intermediate extraction superheater is more than or less than the R245fa temperature value after the intermediate extraction superheater set, automatically turn down or open the big aperture regulating valve, simultaneously when the pressure feedback value in high temperature multistage expansion turbine is less than the pressure atresia value in the high temperature multistage expansion turbine set, automatic blocking regulation valve is opened, intergrade after heating is drawn gas and is back to high temperature recuperated cycle loop；Distance L between high-temperature evaporator and cryogenic vaporizer is the 3/4 of exhaust pipe road overall length, and high temperature multistage expansion turbine is 3 grades of decompressors, and intergrade is drawn gas and taken from the 2nd grade of high temperature multistage expansion turbine；

High-temperature evaporator and cryogenic vaporizer all use screen formula-spiral heat exchange tube, and the first half section in gas inlet side uses the screen formula heat exchanger tube being staggered in arrangement, and the second half section uses spiral heat exchange tube；Described electromotor is additionally provided with backwater vaporizer on the CWR road of radiator, for reclaiming the heat of engine cooling water backwater, its cooling source takes from the centre tap of cold cycle pump, heated after centre tap R245fa out return to the porch of intermediate extraction superheater；Described high-temperature evaporator and cryogenic vaporizer are integrally provided in the heat exchange housing of drum type brake, heat exchange housing is formed by bolt fastening by procapsid and back casing, the length of procapsid is identical with the horizontal length of screen formula heat exchanger tube, and the length of back casing is identical with the horizontal length of spiral heat exchange tube；Being provided with multiple vibrator on described screen formula heat exchanger tube, vibrator is powered by accumulator battery；The bottom of described procapsid is curved, is additionally provided with sewage draining exit at the minimum point of curved bottom, discharges the dirt fallen that shakes on screen formula heat exchanger tube for periodically；

Shaft coupling is passed through coaxially connected between low temperature multistage decompressor and high temperature multistage expansion turbine, at the system start-up initial stage, R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop, first low temperature multistage decompressor starts, drive high temperature multistage expansion turbine low speed to rotate in advance by shaft coupling simultaneously, play the startup pressure reducing high temperature multistage expansion turbine, shorten the effect of startup time；When system stops, the first coasting operation of high temperature multistage expansion turbine is slowed down, and drives low temperature multistage decompressor to slow down by shaft coupling simultaneously, to reduce the idling time of cryogenic expansion machine, plays the air blast friction reducing low temperature multistage decompressor, prevents the effect that blade is overheated；

Also including that accumulator battery, inverter and converter, one end of high temperature multistage expansion turbine are connected with accumulator battery, accumulator battery is for storing the electric energy being transformed by the kinetic energy of decompressor；Accumulator battery is connected with inverter and converter, and inverter is for being alternating current by the DC inverter of accumulator, and converter is used for driving backpressure regulation blower fan and regulating its rotating speed；Backpressure regulation blower fan is for lowering and control the back pressure of electromotor, and during operation, the pressure at expulsion feedback by detecting regulates the rotating speed of backpressure regulation blower fan thus regulates back pressure in optimum.

Preferably, described low temperature multistage decompressor and high temperature multistage expansion turbine are respectively by high temperature inlet valve and the respective throttle flow of low temperature air inlet valve regulation, the high temperature inlet valve used and the stability of flow district of low temperature air inlet valve are 30%～100% metered flow, when high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are more than 30% respective metered flow, high temperature inlet valve or low temperature inlet valve keep standard-sized sheet to avoid restriction loss, change exerting oneself of decompressor by the rotating speed of regulation high temperature circulation pump or cold cycle pump；When high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are less than 30% respective metered flow, the rotating speed keeping high temperature circulation pump or cold cycle pump is constant, regulates exerting oneself of decompressor by the aperture controlling high temperature inlet valve or low temperature inlet valve.

The beneficial effect of this garbage transporting device: simple and practical, be set to top open and for lifting type, this lifting type cap structure is simple, lift operation is light, open after take up room little and can cover at casing top in transportation well, safety high；And its engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the off gas energy recovery system of electromotor, heat recovery demand according to different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use different circulatory mediators in high temperature section with low-temperature zone, thus improve the heat exchange efficiency of system on the whole；By cold cycle pump centre tap relatively low for pressure being led to the backwater of backwater vaporizer cooling engine cooling water, it is possible to reclaim the heat of cooling water at recovery motor exhaust used heat, and energy-saving effect is obvious simultaneously；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, be both convenient to clean, and added again heat exchange efficiency；By by part recover energy for by inverter and transducer drive backpressure regulation blower fan, and the rotating speed of the feedback regulation backpressure regulation blower fan according to exhaust back pressure, by backpressure regulation and energy regenerating integration while realizing without driven by external power blower fan, it is greatly saved investment and space hold；The intergrade utilizing high temperature multistage expansion turbine is drawn gas, this part draw gas in high temperature multistage expansion turbine through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor, on the one hand can ensure that effective vaporization of R245fa, on the other hand the mechanical efficiency in low-temperature expansion loop can be improved, avoid cold source energy, thus improve the whole efficiency of energy recycle device；Shaft coupling is passed through coaxially connected between low temperature multistage decompressor and high temperature multistage expansion turbine, initial stage in system start-up, owing to exhaust temperature is relatively low, R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop, first low temperature multistage decompressor starts, drive high temperature multistage expansion turbine low speed to rotate in advance by shaft coupling simultaneously, so can effectively reduce the startup pressure of high temperature multistage expansion turbine, shorten the startup time, when system stops, the first coasting operation of high temperature multistage expansion turbine is slowed down, drive low temperature multistage decompressor to slow down by shaft coupling simultaneously, to reduce the idling time of cryogenic expansion machine, owing to the medium temperature in decompressor in stopped process is the highest, now primarily serve the air blast friction reducing low temperature multistage decompressor, prevent the effect that blade is overheated；According to inlet valve control characteristic under different flow rate working conditions and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, while reducing restriction loss, maintain the stability of regulation.

Accompanying drawing explanation

The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.

Fig. 1 is the overall structure schematic diagram of this garbage transporting device；

Fig. 2 is the structural representation of this energy recycle device；

Fig. 3 is the side view of high-temperature evaporator and cryogenic vaporizer；

Fig. 4 is the front view of high-temperature evaporator and cryogenic vaporizer.

Reference: radiator-1；Electromotor-2；Warm condenser-3；Low-temperature condenser-4；High-temperature evaporator-5；Cryogenic vaporizer-6；High temperature multistage expansion turbine-7；Low temperature multistage decompressor-8；Backwater vaporizer-9；High temperature circulation pump-10；Cold cycle pump-11；Intermediate extraction superheater-12；Accumulator battery-13；Backpressure regulation blower fan-14；Inverter and converter-15；Regulation valve-16；Screen formula heat exchanger tube-17；Spiral heat exchange tube-18；Shaft coupling-19；Procapsid-20；Back casing-21；Bolt-22；Sewage draining exit-23；Car body-24；Upper cover plate-25；Connecting rod-26；Hydraulic stem-27.

Detailed description of the invention

The invention will be further described with the following Examples.

Embodiment 1:

A kind of New-type refuse vehicle conveying arrangement as shown in Figure 1, including car body 24, upper cover plate 25, connecting rod 26, hydraulic stem 27 and engine power retracting device, 2 described connecting rod 26 lower ends are hinged on car body 24, upper end is connected with described upper cover plate 25, one end of hydraulic stem 27 is connected with one of them connecting rod 26, and the other end is hinged on car body 24；This garbage transporting device is driven by electromotor 2.

As shown in Figure 2, engine power retracting device is for reclaiming the energy of electromotor 2 tail gas, and it includes radiator 1, electromotor 2, backwater vaporizer 9, high temperature heat-exchanging loop, low-temperature heat exchange loop, accumulator battery 13, inverter and converter 15 and backpressure regulation blower fan 14.Radiator 1 is connected with electromotor 2, and radiator 1 leads to supercooled water to be transferred to the heat of electromotor 2 on radiator 1, and by the surface radiating of radiator 1, electromotor 2 referred herein, could be for the electromotor of the large-sized power such as motor vehicles, boats and ships machinery.The tail gas of electromotor 2 discharges air after sequentially passing through backpressure regulation blower fan 14, high-temperature evaporator 5, cryogenic vaporizer 6 cooling.

High temperature heat-exchanging loop includes high temperature circulation pump 10, high-temperature evaporator 5, high temperature multistage expansion turbine 7 and the warm condenser 3 being sequentially connected, in high temperature heat-exchanging loop, the medium of flowing is water, high-temperature evaporator 5 is arranged on the high-temperature tail gas pipeline after backpressure regulation blower fan 14, in order to the tail gas of cooling down high-temperature tail gas section in the WATER AS FLOW MEDIUM of warm condenser 3 cooling is squeezed into high-temperature evaporator 5 by high temperature circulation pump 10, WATER AS FLOW MEDIUM after heating then passes through high temperature multistage expansion turbine 7 and does work, and converts heat energy into the mechanical energy of high temperature multistage expansion turbine 7.

Low-temperature heat exchange loop includes the cold cycle pump 11 being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature multistage decompressor 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, cryogenic vaporizer 6 is arranged on the low temperature exhaust gas pipeline after high-temperature evaporator 5 to reclaim the heat of tail gas further, squeezed in cryogenic vaporizer 6 through the medium R245fa of low-temperature condenser 6 cooling by cold cycle pump 11, WATER AS FLOW MEDIUM after heating is done work through low temperature multiple expansion engine 8 after intermediate extraction superheater 12, convert heat energy into the mechanical energy of low temperature multistage decompressor 8.Inventor it has been investigated that, in energy recycle device, use water as medium and as the effect of medium and differ with R245fa, the evaporation of water temperature evaporating temperature than R245fa exceeds much, be therefore suitable in the tail gas section of high temperature use；And use R245fa as medium in the tail gas section of low temperature, it is more beneficial for its evaporation acting.Under the conditions of different pressure and temperatures, both media are used in combination it addition, this, the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heat source draws gas from the intergrade of high temperature multistage expansion turbine 7, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can determine according to the different condition ranges in two decompressors.nullAlso include regulating valve 16，Regulation valve 16 is according to the R245fa Temperature Feedback after intermediate extraction superheater 12 and the pressure feedback in high temperature multistage expansion turbine 7，For regulating the flow that intergrade is drawn gas，When the R245fa Temperature Feedback value after intermediate extraction superheater 12 is more than or less than the R245fa temperature value after the intermediate extraction superheater 12 set，Automatically turn down or open the big aperture regulating valve 16，Simultaneously when the pressure feedback value in high temperature multistage expansion turbine 7 is less than the pressure atresia value in the high temperature multistage expansion turbine 7 set，Automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly)，To prevent exerting oneself of high temperature multistage expansion turbine 7 too low，R245fa temperature value after the intermediate extraction superheater 12 set and the pressure atresia value in the high temperature multistage expansion turbine 7 of setting are manually set by the method for experiment according to different concrete conditions，Intergrade after heating is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, take that distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road overall length 3/4, high temperature multistage expansion turbine 7 is 3 grades of decompressors, and intergrade is drawn gas and taken from the 2nd grade of high temperature multistage expansion turbine.

As shown in Figure 3,4, it is not easy to cleaning after more how long using in view of the impurity in tail gas and is susceptible to blocking, and take into account heat exchange efficiency, high-temperature evaporator 5 and cryogenic vaporizer 6 all use the new structure of screen formula-spiral heat exchange tube, at the inlet side of tail gas, using the screen formula heat exchanger tube 17 being staggered in arrangement, the most most tail gas impurity is blocked on screen formula heat exchanger tube 17, during cleaning easily, it is staggered in arrangement the flow resistance that also can effectively reduce tail gas simultaneously；And use spiral heat exchange tube 18 in the second half section, to strengthen flow perturbation raising heat exchange efficiency.Warm condenser 3 can take from air-conditioning refrigerant, other low-temperature receiver can also be taken from, because the after-heat of this part is seldom, the medium in heat-exchanging loop is re-cooled to liquid prevents high temperature circulation pump 10 and cold cycle pump 11 from vaporizing as long as can meet.Described high-temperature evaporator 5 and cryogenic vaporizer 6 are integrally provided in the heat exchange housing of drum type brake, heat exchange housing is formed by bolt 22 fastening by procapsid 20 and back casing 21, the length of procapsid 20 is identical with the horizontal length of screen formula heat exchanger tube 17, and the length of back casing 21 is identical with the horizontal length of spiral heat exchange tube 18；Being provided with multiple vibrator (not shown) on described screen formula heat exchanger tube 17, vibrator is powered by accumulator battery 13；The bottom of described procapsid 20 is curved, is additionally provided with sewage draining exit 23 at the minimum point of curved bottom, discharges the dirt fallen that shakes on screen formula heat exchanger tube 17 for periodically.

Electromotor 2 to the CWR road of radiator 1 is additionally provided with backwater vaporizer 9, for reclaiming the heat of engine cooling water backwater, its cooling source takes from the centre tap of cold cycle pump 11, heated after centre tap R245fa out return to the porch of intermediate extraction superheater 12.The centre tap of cold cycle pump 11 relatively low for pressure is led to the backwater of backwater vaporizer cooling engine cooling water, on the one hand can reclaim the heat of cooling water backwater well, on the other hand comparing individually to set up a circulation or draw cooling medium from the outlet of cold cycle pump 11 and high temperature circulation pump 10 has more preferable energy-saving effect.

Shaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7, initial stage in system start-up, owing to exhaust temperature is relatively low, R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop, first low temperature multistage decompressor 8 starts, drive high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously, so can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shorten the startup time, owing to the medium temperature in now high temperature multistage expansion turbine 7 is the lowest, and the length of blade of high temperature multistage expansion turbine 7 is little compared with the length of blade of low temperature multiple expansion engine 8, the air blast friction of blade is the least, almost can consider；When system stops, high temperature multistage expansion turbine 7 first coasting operation is slowed down, drive low temperature multistage decompressor 8 to slow down by shaft coupling 19 simultaneously, to reduce the idling time of cryogenic expansion machine 8, owing to the medium temperature in decompressor in stopped process is the highest, now primarily serve the air blast friction reducing low temperature multistage decompressor 8, prevent the effect that blade is overheated.

One end of high temperature multistage expansion turbine 7 is connected with accumulator battery 13, and accumulator battery 13 is for storing the electric energy being transformed by decompressor kinetic energy.Convert energy into the technology of the electric energy of accumulator about decompressor, owing to prior art is the most ripe, do not repeat them here.Accumulator battery 13 is connected with inverter and converter 15, and inverter is for being alternating current by the DC inverter of accumulator, and converter is used for driving backpressure regulation blower fan 14 and regulating its rotating speed.Energy recycle device can make the exhaust back pressure of electromotor 2 raise when the impact of electromotor 2 essentially consisting in engine exhaust by heater in system, and the power consumption that exhaust back pressure rising is when can cause engine piston that waste gas releases cylinder increases, therefore backpressure regulation blower fan 14 is set and can effectively lower and control the back pressure of electromotor 2, during operation, regulate the rotating speed of backpressure regulation blower fan 14 by the pressure at expulsion feedback detected thus regulate back pressure in optimum, the advantage that the most this energy utilizing accumulator battery 13 itself need not external power supply to drive the mode of blower fan to have.

Low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7 regulate respective throttle flow by high temperature inlet valve and low temperature air inlet valve (not shown) respectively.nullThe high temperature inlet valve used and the stability of flow district of low temperature air inlet valve are 30%～100% metered flow，Either low-temperature heat exchange loop or high temperature heat-exchanging loop，The control of pump and the control of decompressor，First pass through the flow of pump regulation working medium，Realize working medium control of temperature at expander inlet，When flow changes, decompressor must be made adjusting accordingly and mate flow，If the operation of decompressor is not mated with flow，Not only can not maintain stable evaporating pressure，The operation of decompressor also cannot keep stable，Simultaneously according to high temperature inlet valve and the characteristic of low temperature inlet valve，Pressure regulation and speed is used to regulate the control mode matched: when high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are more than 30% respective metered flow，High temperature inlet valve or low temperature inlet valve keep standard-sized sheet to avoid restriction loss，Exerting oneself of decompressor is changed by the rotating speed of regulation high temperature circulation pump 10 or cold cycle pump 11；When high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are less than 30% respective metered flow, owing to the control characteristic of inlet valve during low discharge is unstable, keep high temperature circulation pump 10 or cold cycle pump 11 rotating speed constant, regulate exerting oneself of decompressor by the aperture controlling high temperature inlet valve or low temperature inlet valve.

In the garbage transporting device of this embodiment, simple and practical, be set to top open and for lifting type, this lifting type cap structure is simple, lift operation is light, open after take up room little and can cover at casing top in transportation well, safety high；And its engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of electromotor, according to the heat recovery demand of different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use different circulatory mediators in high temperature section with low-temperature zone, thus improve the heat exchange efficiency of system on the whole；The backwater of engine cooling water is cooled down, it is possible to reclaim the heat of cooling water at recovery motor exhaust used heat simultaneously, and energy-saving effect is obvious by cold cycle pump centre tap relatively low for pressure is led to backwater vaporizer 9；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, be both convenient to clean, and added again heat exchange efficiency；By by part recover energy for driving backpressure regulation blower fan 14 by inverter and converter 15, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, by backpressure regulation and energy regenerating integration while realizing without driven by external power blower fan, it is greatly saved investment and space hold；The intergrade utilizing high temperature multistage expansion turbine 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand the mechanical efficiency in low-temperature expansion loop can be improved, avoid cold source energy, thus improve the whole efficiency of energy recycle device；nullShaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7，Initial stage in system start-up，Owing to exhaust temperature is relatively low，R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop，First low temperature multistage decompressor starts，Drive high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously，So can effectively reduce the startup pressure of high temperature multistage expansion turbine 7，Shorten the startup time，When system stops，High temperature multistage expansion turbine 7 first coasting operation is slowed down，Drive low temperature multistage decompressor 8 to slow down by shaft coupling 19 simultaneously，To reduce the idling time of cryogenic expansion machine 8，Owing to the medium temperature in decompressor in stopped process is the highest，Now primarily serve the air blast friction reducing low temperature multistage decompressor 8，Prevent the effect that blade is overheated；According to inlet valve control characteristic under different flow rate working conditions and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, while reducing restriction loss, maintain the stability of regulation.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is the 3/4 of exhaust pipe road overall length, high temperature multistage expansion turbine 7 is 3 grades of decompressors, intergrade is drawn gas and is taken from the 2nd grade of high temperature multistage expansion turbine 7, and heat recovery efficiency improves 4%, achieves beyond thought effect.

Embodiment 2:

As shown in Figure 2, engine power retracting device is for reclaiming the energy of motor exhaust, and it includes radiator 1, electromotor 2, backwater vaporizer 9, high temperature heat-exchanging loop, low-temperature heat exchange loop, accumulator battery 13, inverter and converter 15 and backpressure regulation blower fan 14.Radiator 1 is connected with electromotor 2, and radiator 1 leads to supercooled water to be transferred to the heat of electromotor 2 on radiator 1, and by the surface radiating of radiator 1, electromotor 2 referred herein, could be for the electromotor of the large-sized power such as motor vehicles, boats and ships machinery.The tail gas of electromotor 2 discharges air after sequentially passing through backpressure regulation blower fan 14, high-temperature evaporator 5, cryogenic vaporizer 6 cooling.

Low-temperature heat exchange loop includes the cold cycle pump 11 being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature multistage decompressor 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, cryogenic vaporizer 6 is arranged on the low temperature exhaust gas pipeline after high-temperature evaporator 5 to reclaim the heat of tail gas further, squeezed in cryogenic vaporizer 6 through the medium R245fa of low-temperature condenser 6 cooling by cold cycle pump 11, WATER AS FLOW MEDIUM after heating is done work through low temperature multiple expansion engine 8 after intermediate extraction superheater 12, convert heat energy into the mechanical energy of low temperature multistage decompressor 8.Inventor it has been investigated that, in energy recycle device, use water as medium and as the effect of medium and differ with R245fa, the evaporation of water temperature evaporating temperature than R245fa exceeds much, be therefore suitable in the tail gas section of high temperature use；And use R245fa as medium in the tail gas section of low temperature, it is more beneficial for its evaporation acting.Under the conditions of different pressure and temperatures, both media are used in combination it addition, this, the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heat source draws gas from the intergrade of high temperature multistage expansion turbine 7, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can determine according to the different condition ranges in two decompressors.nullAlso include regulating valve 16，Regulation valve 16 is according to the R245fa Temperature Feedback after intermediate extraction superheater 12 and the pressure feedback in high temperature multistage expansion turbine 7，For regulating the flow that intergrade is drawn gas，When the R245fa Temperature Feedback value after intermediate extraction superheater 12 is more than or less than the R245fa temperature value after the intermediate extraction superheater 12 set，Automatically turn down or open the big aperture regulating valve 16，Simultaneously when the pressure feedback value in high temperature multistage expansion turbine 7 is less than the pressure atresia value in the high temperature multistage expansion turbine 7 set，Automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly)，To prevent exerting oneself of high temperature multistage expansion turbine 7 too low，R245fa temperature value after the intermediate extraction superheater 12 set and the pressure atresia value in the high temperature multistage expansion turbine 7 of setting are manually set by the method for experiment according to different concrete conditions，Intergrade after heating is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, take that distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road overall length 2/3, high temperature multistage expansion turbine 7 is 4 grades of decompressors, and intergrade is drawn gas and taken from the 2nd grade of high temperature multistage expansion turbine.

In the garbage transporting device of this embodiment, simple and practical, be set to top open and for lifting type, this lifting type cap structure is simple, lift operation is light, open after take up room little and can cover at casing top in transportation well, safety high；And its engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of electromotor, according to the heat recovery demand of different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use different circulatory mediators in high temperature section with low-temperature zone, thus improve the heat exchange efficiency of system on the whole；The backwater of engine cooling water is cooled down, it is possible to reclaim the heat of cooling water at recovery motor exhaust used heat simultaneously, and energy-saving effect is obvious by cold cycle pump centre tap relatively low for pressure is led to backwater vaporizer 9；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, be both convenient to clean, and added again heat exchange efficiency；By by part recover energy for driving backpressure regulation blower fan 14 by inverter and converter 15, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, by backpressure regulation and energy regenerating integration while realizing without driven by external power blower fan, it is greatly saved investment and space hold；The intergrade utilizing high temperature multistage expansion turbine 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand the mechanical efficiency in low-temperature expansion loop can be improved, avoid cold source energy, thus improve the whole efficiency of energy recycle device；nullShaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7，Initial stage in system start-up，Owing to exhaust temperature is relatively low，R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop，First low temperature multistage decompressor starts，Drive high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously，So can effectively reduce the startup pressure of high temperature multistage expansion turbine 7，Shorten the startup time，When system stops，High temperature multistage expansion turbine 7 first coasting operation is slowed down，Drive low temperature multistage decompressor 8 to slow down by shaft coupling 19 simultaneously，To reduce the idling time of cryogenic expansion machine 8，Owing to the medium temperature in decompressor in stopped process is the highest，Now primarily serve the air blast friction reducing low temperature multistage decompressor 8，Prevent the effect that blade is overheated；According to inlet valve control characteristic under different flow rate working conditions and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, while reducing restriction loss, maintain the stability of regulation.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is the 2/3 of exhaust pipe road overall length, high temperature multistage expansion turbine 7 is 4 grades of decompressors, intergrade is drawn gas and is taken from the 2nd grade of high temperature multistage expansion turbine 7, and heat recovery efficiency improves 4.5%, achieves beyond thought effect.

Embodiment 3:

Low-temperature heat exchange loop includes the cold cycle pump 11 being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature multistage decompressor 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, cryogenic vaporizer 6 is arranged on the low temperature exhaust gas pipeline after high-temperature evaporator 5 to reclaim the heat of tail gas further, squeezed in cryogenic vaporizer 6 through the medium R245fa of low-temperature condenser 6 cooling by cold cycle pump 11, WATER AS FLOW MEDIUM after heating is done work through low temperature multiple expansion engine 8 after intermediate extraction superheater 12, convert heat energy into the mechanical energy of low temperature multistage decompressor 8.Inventor it has been investigated that, in energy recycle device, use water as medium and as the effect of medium and differ with R245fa, the evaporation of water temperature evaporating temperature than R245fa exceeds much, be therefore suitable in the tail gas section of high temperature use；And use R245fa as medium in the tail gas section of low temperature, it is more beneficial for its evaporation acting.Under the conditions of different pressure and temperatures, both media are used in combination it addition, this, the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heat source draws gas from the intergrade of high temperature multistage expansion turbine 7, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can determine according to the different condition ranges in two decompressors.nullAlso include regulating valve 16，Regulation valve 16 is according to the R245fa Temperature Feedback after intermediate extraction superheater 12 and the pressure feedback in high temperature multistage expansion turbine 7，For regulating the flow that intergrade is drawn gas，When the R245fa Temperature Feedback value after intermediate extraction superheater 12 is more than or less than the R245fa temperature value after the intermediate extraction superheater 12 set，Automatically turn down or open the big aperture regulating valve 16，Simultaneously when the pressure feedback value in high temperature multistage expansion turbine 7 is less than the pressure atresia value in the high temperature multistage expansion turbine 7 set，Automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly)，To prevent exerting oneself of high temperature multistage expansion turbine 7 too low，R245fa temperature value after the intermediate extraction superheater 12 set and the pressure atresia value in the high temperature multistage expansion turbine 7 of setting are manually set by the method for experiment according to different concrete conditions，Intergrade after heating is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, take that distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road overall length 1/2, high temperature multistage expansion turbine 7 is 5 grades of decompressors, and intergrade is drawn gas and taken from the 3rd level of high temperature multistage expansion turbine.

In the garbage transporting device of this embodiment, simple and practical, be set to top open and for lifting type, this lifting type cap structure is simple, lift operation is light, open after take up room little and can cover at casing top in transportation well, safety high；And its engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of electromotor, according to the heat recovery demand of different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use different circulatory mediators in high temperature section with low-temperature zone, thus improve the heat exchange efficiency of system on the whole；The backwater of engine cooling water is cooled down, it is possible to reclaim the heat of cooling water at recovery motor exhaust used heat simultaneously, and energy-saving effect is obvious by cold cycle pump centre tap relatively low for pressure is led to backwater vaporizer 9；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, be both convenient to clean, and added again heat exchange efficiency；By by part recover energy for driving backpressure regulation blower fan 14 by inverter and converter 15, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, by backpressure regulation and energy regenerating integration while realizing without driven by external power blower fan, it is greatly saved investment and space hold；The intergrade utilizing high temperature multistage expansion turbine 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand the mechanical efficiency in low-temperature expansion loop can be improved, avoid cold source energy, thus improve the whole efficiency of energy recycle device；nullShaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7，Initial stage in system start-up，Owing to exhaust temperature is relatively low，R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop，First low temperature multistage decompressor starts，Drive high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously，So can effectively reduce the startup pressure of high temperature multistage expansion turbine 7，Shorten the startup time，When system stops，High temperature multistage expansion turbine 7 first coasting operation is slowed down，Drive low temperature multistage decompressor 8 to slow down by shaft coupling 19 simultaneously，To reduce the idling time of cryogenic expansion machine 8，Owing to the medium temperature in decompressor in stopped process is the highest，Now primarily serve the air blast friction reducing low temperature multistage decompressor 8，Prevent the effect that blade is overheated；According to inlet valve control characteristic under different flow rate working conditions and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, while reducing restriction loss, maintain the stability of regulation.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is the 1/2 of exhaust pipe road overall length, high temperature multistage expansion turbine 7 is 5 grades of decompressors, intergrade is drawn gas and is taken from the 3rd level of high temperature multistage expansion turbine 7, and heat recovery efficiency improves 5%, achieves beyond thought effect.

Embodiment 4:

Low-temperature heat exchange loop includes the cold cycle pump 11 being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature multistage decompressor 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, cryogenic vaporizer 6 is arranged on the low temperature exhaust gas pipeline after high-temperature evaporator 5 to reclaim the heat of tail gas further, squeezed in cryogenic vaporizer 6 through the medium R245fa of low-temperature condenser 6 cooling by cold cycle pump 11, WATER AS FLOW MEDIUM after heating is done work through low temperature multiple expansion engine 8 after intermediate extraction superheater 12, convert heat energy into the mechanical energy of low temperature multistage decompressor 8.Inventor it has been investigated that, in energy recycle device, use water as medium and as the effect of medium and differ with R245fa, the evaporation of water temperature evaporating temperature than R245fa exceeds much, be therefore suitable in the tail gas section of high temperature use；And use R245fa as medium in the tail gas section of low temperature, it is more beneficial for its evaporation acting.Under the conditions of different pressure and temperatures, both media are used in combination it addition, this, the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heat source draws gas from the intergrade of high temperature multistage expansion turbine 7, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can determine according to the different condition ranges in two decompressors.nullAlso include regulating valve 16，Regulation valve 16 is according to the R245fa Temperature Feedback after intermediate extraction superheater 12 and the pressure feedback in high temperature multistage expansion turbine 7，For regulating the flow that intergrade is drawn gas，When the R245fa Temperature Feedback value after intermediate extraction superheater 12 is more than or less than the R245fa temperature value after the intermediate extraction superheater 12 set，Automatically turn down or open the big aperture regulating valve 16，Simultaneously when the pressure feedback value in high temperature multistage expansion turbine 7 is less than the pressure atresia value in the high temperature multistage expansion turbine 7 set，Automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly)，To prevent exerting oneself of high temperature multistage expansion turbine 7 too low，R245fa temperature value after the intermediate extraction superheater 12 set and the pressure atresia value in the high temperature multistage expansion turbine 7 of setting are manually set by the method for experiment according to different concrete conditions，Intergrade after heating is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, take that distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road overall length 2/5, high temperature multistage expansion turbine 7 is 5 grades of decompressors, and intergrade is drawn gas and taken from the 2nd grade of high temperature multistage expansion turbine.

In the garbage transporting device of this embodiment, simple and practical, be set to top open and for lifting type, this lifting type cap structure is simple, lift operation is light, open after take up room little and can cover at casing top in transportation well, safety high；And its engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of electromotor, according to the heat recovery demand of different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use different circulatory mediators in high temperature section with low-temperature zone, thus improve the heat exchange efficiency of system on the whole；The backwater of engine cooling water is cooled down, it is possible to reclaim the heat of cooling water at recovery motor exhaust used heat simultaneously, and energy-saving effect is obvious by cold cycle pump centre tap relatively low for pressure is led to backwater vaporizer 9；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, be both convenient to clean, and added again heat exchange efficiency；By by part recover energy for driving backpressure regulation blower fan 14 by inverter and converter 15, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, by backpressure regulation and energy regenerating integration while realizing without driven by external power blower fan, it is greatly saved investment and space hold；The intergrade utilizing high temperature multistage expansion turbine 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand the mechanical efficiency in low-temperature expansion loop can be improved, avoid cold source energy, thus improve the whole efficiency of energy recycle device；nullShaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7，Initial stage in system start-up，Owing to exhaust temperature is relatively low，R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop，First low temperature multistage decompressor starts，Drive high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously，So can effectively reduce the startup pressure of high temperature multistage expansion turbine 7，Shorten the startup time，When system stops，High temperature multistage expansion turbine 7 first coasting operation is slowed down，Drive low temperature multistage decompressor 8 to slow down by shaft coupling 19 simultaneously，To reduce the idling time of cryogenic expansion machine 8，Owing to the medium temperature in decompressor in stopped process is the highest，Now primarily serve the air blast friction reducing low temperature multistage decompressor 8，Prevent the effect that blade is overheated；According to inlet valve control characteristic under different flow rate working conditions and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, while reducing restriction loss, maintain the stability of regulation.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is the 2/5 of exhaust pipe road overall length, high temperature multistage expansion turbine 7 is 5 grades of decompressors, intergrade is drawn gas and is taken from the 2nd grade of high temperature multistage expansion turbine 7, and heat recovery efficiency improves 5.5%, achieves beyond thought effect.

Embodiment 5:

Low-temperature heat exchange loop includes the cold cycle pump 11 being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature multistage decompressor 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, cryogenic vaporizer 6 is arranged on the low temperature exhaust gas pipeline after high-temperature evaporator 5 to reclaim the heat of tail gas further, squeezed in cryogenic vaporizer 6 through the medium R245fa of low-temperature condenser 6 cooling by cold cycle pump 11, WATER AS FLOW MEDIUM after heating is done work through low temperature multiple expansion engine 8 after intermediate extraction superheater 12, convert heat energy into the mechanical energy of low temperature multistage decompressor 8.Inventor it has been investigated that, in energy recycle device, use water as medium and as the effect of medium and differ with R245fa, the evaporation of water temperature evaporating temperature than R245fa exceeds much, be therefore suitable in the tail gas section of high temperature use；And use R245fa as medium in the tail gas section of low temperature, it is more beneficial for its evaporation acting.Under the conditions of different pressure and temperatures, both media are used in combination it addition, this, the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heat source draws gas from the intergrade of high temperature multistage expansion turbine 7, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can determine according to the different condition ranges in two decompressors.nullAlso include regulating valve 16，Regulation valve 16 is according to the R245fa Temperature Feedback after intermediate extraction superheater 12 and the pressure feedback in high temperature multistage expansion turbine 7，For regulating the flow that intergrade is drawn gas，When the R245fa Temperature Feedback value after intermediate extraction superheater 12 is more than or less than the R245fa temperature value after the intermediate extraction superheater 12 set，Automatically turn down or open the big aperture regulating valve 16，Simultaneously when the pressure feedback value in high temperature multistage expansion turbine 7 is less than the pressure atresia value in the high temperature multistage expansion turbine 7 set，Automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly)，To prevent exerting oneself of high temperature multistage expansion turbine 7 too low，R245fa temperature value after the intermediate extraction superheater 12 set and the pressure atresia value in the high temperature multistage expansion turbine 7 of setting are manually set by the method for experiment according to different concrete conditions，Intergrade after heating is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, take that distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road overall length 2/7, high temperature multistage expansion turbine 7 is 6 grades of decompressors, and intergrade is drawn gas and taken from the 3rd level of high temperature multistage expansion turbine.

In the garbage transporting device of this embodiment, simple and practical, be set to top open and for lifting type, this lifting type cap structure is simple, lift operation is light, open after take up room little and can cover at casing top in transportation well, safety high；And its engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of electromotor, according to the heat recovery demand of different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use different circulatory mediators in high temperature section with low-temperature zone, thus improve the heat exchange efficiency of system on the whole；The backwater of engine cooling water is cooled down, it is possible to reclaim the heat of cooling water at recovery motor exhaust used heat simultaneously, and energy-saving effect is obvious by cold cycle pump centre tap relatively low for pressure is led to backwater vaporizer 9；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, be both convenient to clean, and added again heat exchange efficiency；By by part recover energy for driving backpressure regulation blower fan 14 by inverter and converter 15, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, by backpressure regulation and energy regenerating integration while realizing without driven by external power blower fan, it is greatly saved investment and space hold；The intergrade utilizing high temperature multistage expansion turbine 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, its remaining heat is utilized to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that effective vaporization of R245fa, on the other hand the mechanical efficiency in low-temperature expansion loop can be improved, avoid cold source energy, thus improve the whole efficiency of energy recycle device；nullShaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7，Initial stage in system start-up，Owing to exhaust temperature is relatively low，R245fa in low-temperature heat exchange loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop，First low temperature multistage decompressor starts，Drive high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously，So can effectively reduce the startup pressure of high temperature multistage expansion turbine 7，Shorten the startup time，When system stops，High temperature multistage expansion turbine 7 first coasting operation is slowed down，Drive low temperature multistage decompressor 8 to slow down by shaft coupling 19 simultaneously，To reduce the idling time of cryogenic expansion machine 8，Owing to the medium temperature in decompressor in stopped process is the highest，Now primarily serve the air blast friction reducing low temperature multistage decompressor 8，Prevent the effect that blade is overheated；According to inlet valve control characteristic under different flow rate working conditions and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, while reducing restriction loss, maintain the stability of regulation.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is the 2/7 of exhaust pipe road overall length, high temperature multistage expansion turbine 7 is 6 grades of decompressors, intergrade is drawn gas and is taken from the 3rd level of high temperature multistage expansion turbine 7, and heat recovery efficiency improves 6%, achieves beyond thought effect.

Finally should be noted that; above example is only in order to illustrate technical scheme; rather than limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.

Claims

1. a New-type refuse vehicle conveying arrangement, it is characterized in that, including car body, upper cover plate, connecting rod, hydraulic stem and engine power retracting device, 2 described connecting rod lower ends are hinged on car body, upper end is connected with described upper cover plate, one end of hydraulic stem is connected with one of them connecting rod, and the other end is hinged on car body；This garbage transporting device is driven by electromotor, described engine power retracting device is for reclaiming the heat of motor exhaust, and it includes radiator, electromotor, backwater vaporizer, high temperature heat-exchanging loop, low-temperature heat exchange loop, accumulator battery, inverter and converter, backpressure regulation blower fan；Described radiator is connected with electromotor, and radiator leads to supercooled water to be transferred to the heat of electromotor on radiator, and by the surface radiating of radiator；The tail gas of electromotor sequentially passes through backpressure regulation blower fan, high-temperature evaporator, cryogenic vaporizer cooling heel row to air；

A kind of New-type refuse vehicle conveying arrangement the most according to claim 1, it is characterized in that, described low temperature multistage decompressor and high temperature multistage expansion turbine are respectively by high temperature inlet valve and the respective throttle flow of low temperature air inlet valve regulation, the high temperature inlet valve used and the stability of flow district of low temperature air inlet valve are 30%～100% metered flow, when high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are more than 30% respective metered flow, high temperature inlet valve or low temperature inlet valve keep standard-sized sheet to avoid restriction loss, exerting oneself of decompressor is changed by the rotating speed of regulation high temperature circulation pump or cold cycle pump；When high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are less than 30% respective metered flow, the rotating speed keeping high temperature circulation pump or cold cycle pump is constant, regulates exerting oneself of decompressor by the aperture controlling high temperature inlet valve or low temperature inlet valve.