CN105863876A

CN105863876A - Petroleum transportation device with drying function

Info

Publication number: CN105863876A
Application number: CN201610188323.7A
Authority: CN
Inventors: 时建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-30
Filing date: 2016-03-30
Publication date: 2016-08-17

Abstract

The invention discloses a petroleum transportation device with a drying function. The petroleum transportation device with the drying function comprises a driving cab, a petroleum storage chamber, a drying fan, an active carbon filter, an air inlet, an air outlet and an engine tail gas energy recycling device. The air inlet, the drying fan, the active carbon filter and the air outlet are designed in the petroleum storage chamber and connected in sequence. Moist air in the petroleum storage chamber enters through the air inlet and is delivered through the drying fan into the active carbon filter, so that water and impurities are removed, and obtained dry air is delivered out through the air outlet. An engine is used for providing driving power for the petroleum transportation device, and the engine tail gas energy recycling device is used for recycling energy of engine tail gas. The petroleum transportation device is simple in structure and practical, indoor air is dried through the active carbon filter so as to prevent petroleum from emulsification, the energy of engine waste gas can be reutilized, and energy saving and environment protection are achieved.

Description

A kind of petroleum transportation device with functions/drying

Technical field

The present invention relates to oil field, be specifically related to a kind of petroleum transportation device with functions/drying.

Background technology

PETROLEUM PROCESSING and utilize critically important operation during petroleum transportation.During petroleum transportation, due to band water in air, Especially under southern wet weather, it is easy to the situation of oil emulsification occurs, thus causes oil degradation.Meanwhile, existing Some means of transports there is also the shortcomings such as energy consumption is high, energy secondary is under-utilized.

Summary of the invention

For the problems referred to above, the present invention provides a kind of petroleum transportation device with functions/drying.

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

A kind of petroleum transportation device with functions/drying, is characterized in that, including driver's cabin, petroleum storage room, drying air fan, Active carbon filter, air intake, air outlet slit and energy of engine's tail gas retracting device, air intake, drying air fan, work Property carbon filter and air outlet slit to be installed in petroleum storage indoor and be sequentially connected, the indoor humid air of petroleum storage is entered by air Mouth enters, drying air fan deliver to remove moisture removal and impurity in active carbon filter, and the dry air obtained is sent by air outlet slit； This petroleum transportation device engine is as driving power, and energy of engine's tail gas retracting device is for reclaiming the energy of motor exhaust Amount, it includes radiator, engine, backwater evaporimeter, high temperature heat-exchanging loop, low-temperature heat exchange loop, batteries, inversion Device and frequency converter, backpressure regulation blower fan；Described radiator is connected with engine, and radiator leads to supercooled water by the heat of engine Transfer on radiator, and by the surface radiating of radiator；The tail gas of engine sequentially passes through backpressure regulation blower fan, high temperature steams Send out device, cryogenic vaporizer cooling heel row to air；

High temperature heat-exchanging loop includes that the high temperature circulation pump, high-temperature evaporator, high temperature multistage expansion turbine and the high temperature that are sequentially connected are cold Condenser, in high temperature heat-exchanging loop, the medium of flowing is water, and high-temperature evaporator is arranged on the high-temperature tail gas pipeline after backpressure regulation blower fan On, 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 High temperature multistage expansion turbine does work；

Low-temperature circulating pump that low-temperature heat exchange loop includes being sequentially connected, cryogenic vaporizer, intermediate extraction superheater, low temperature multistage are swollen Swollen machine and low-temperature condenser, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer is arranged on through high temperature evaporation On low temperature exhaust gas pipeline after device；Squeezed in cryogenic vaporizer through the medium R245fa of low-temperature condenser cooling by low-temperature circulating pump, WATER AS FLOW MEDIUM after heating enters the acting of low temperature multistage decompressor after intermediate extraction superheater heats；Intermediate extraction superheater is pipe Formula heat exchanger, heat source draws gas from the intergrade of high temperature multistage expansion turbine；Also include regulating valve, described regulation valve root According to the R245fa temperature feedback after intermediate extraction superheater and the pressure feedback in high temperature multistage expansion turbine, it is used for regulating centre The flow that level is drawn gas, when the R245fa temperature feedback value after intermediate extraction superheater is overheated more than or less than the intermediate extraction set During R245fa temperature value after device, automatically turn down or open the big aperture regulating valve, simultaneously when in high temperature multistage expansion turbine When pressure feedback value is less than the pressure atresia value in the high temperature multistage expansion turbine set, automatic blocking regulation valve is opened, heating After intergrade draw gas and be back to high temperature recuperated cycle loop；Distance L between high-temperature evaporator and cryogenic vaporizer is tail gas row The 3/4 of feed channel overall length, high temperature multistage expansion turbine is 3 grades of decompressors, and intergrade is drawn gas and taken from the expansion of high temperature multistage turbine The 2nd grade of machine；

High-temperature evaporator and cryogenic vaporizer all use screen formula-spiral heat exchange tube, and the first half section in gas inlet side uses stagger arrangement cloth The screen formula heat exchanger tube put, second half section employing spiral heat exchange tube；Described engine also sets up on the CWR road of radiator Having backwater evaporimeter, for reclaiming the heat of engine cooling water backwater, its cooling source takes from the centre tap of low-temperature circulating pump, Centre tap after heated R245fa out returns to the porch of intermediate extraction superheater；Described high-temperature evaporator and low temperature steam Sending out device to be integrally provided in the heat exchange housing of drum type brake, heat exchange housing is formed by bolt fastening by procapsid and back casing, fore shell The length of body 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；Described Being provided with multiple vibrator on screen formula heat exchanger tube, vibrator is powered by batteries；The bottom of described procapsid is curved, at arc It is additionally provided with sewage draining exit at minimum point bottom shape, discharges the dirt fallen that shakes on screen formula heat exchanger tube for periodically；

Between low temperature multistage decompressor and high temperature multistage expansion turbine coaxially connected by shaft coupling, in system initial start stage, low R245fa in temperature heat-exchanging loop arrives vapourizing temperature prior to the water in high temperature heat-exchanging loop, and 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 reducing high temperature multistage expansion turbine Pressure, shortens the effect of startup time；When system stops, the first coasting operation of high temperature multistage expansion turbine is slowed down, and passes through simultaneously Shaft coupling drives low temperature multistage decompressor to slow down, and to reduce the idling time of cryogenic expansion machine, plays reduction low temperature multistage decompressor Air blast friction, prevent the effect that blade is overheated；

Also include that batteries, inverter and frequency converter, one end of high temperature multistage expansion turbine are connected with batteries, electric power storage Pond group is for storing the electric energy being transformed by the kinetic energy of decompressor；Batteries is connected with inverter and frequency converter, and inverter is used In being alternating current by the DC inverter of battery, frequency 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 engine, and during operation, the pressure at expulsion feedback by detecting regulates backpressure regulation blower fan Rotating speed thus regulate back pressure in optimum value.

Preferably, described low temperature multistage decompressor and high temperature multistage expansion turbine are respectively by high temperature inlet valve and low temperature air inlet valve Regulating respective throttle flow, the high temperature inlet valve of employing 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 enter vapour Valve keeps standard-sized sheet to avoid restriction loss, changes going out of decompressor by the rotating speed of regulation high temperature circulation pump or low-temperature circulating pump Power；When high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are less than 30% respective metered flow, holding high temperature circulation pump or The rotating speed of low-temperature circulating 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 petroleum transportation device: simple and practical, is dried room air by active carbon filter and prevents oil Emulsify, and engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the off gas energy recovery system of engine, according to The heat recovery demand of different temperatures section and the evaporating temperature of medium and the difference of heat transfer characteristic, use in high temperature section and low-temperature zone Different circulatory mediators, thus improve the heat exchange efficiency of system on the whole；By by the middle of low-temperature circulating pump relatively low for pressure Tap leads to the backwater of backwater evaporimeter cooling engine cooling water, it is possible to reclaim cooling reclaiming motor exhaust used heat simultaneously The heat of water, and energy-saving effect is obvious；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, the most just In cleaning, add again heat exchange efficiency；By recovering energy part 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, realizing same without driven by external power blower fan Time by backpressure regulation and energy regenerating integration, be greatly saved investment and space hold；Utilize high temperature multistage expansion turbine Intergrade is drawn gas, this part draw gas in high temperature multistage expansion turbine through one section of expansion process, utilize it remaining Heat heats the medium R245fa before entering low temperature multistage decompressor, on the one hand can ensure that effective vaporization of R245fa, another Aspect can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improves 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, at the initial stage that system starts, due to Exhaust temperature is relatively low, and the R245fa in low-temperature heat exchange loop arrives vapourizing temperature, low temperature multistage prior to the water in high temperature heat-exchanging loop First decompressor starts, and drives 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, shortens the startup time, and when system stops, high temperature multistage expansion turbine is first Coasting operation 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, due to In stopped process, the medium temperature in decompressor is the highest, now primarily serves 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 one The control mode that kind rotating speed and inlet valve combine, maintains the stability of regulation while reducing restriction loss.

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 obtains the attached of other according to the following drawings Figure.

Fig. 1 is the overall structure schematic diagram of this petroleum transportation 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；Engine-2；Warm condenser-3；Low-temperature condenser-4；High-temperature evaporator-5；Low temperature steams Send out device-6；High temperature multistage expansion turbine-7；Low temperature multistage decompressor-8；Backwater evaporimeter-9；High temperature circulation pump-10；Low temperature Circulating pump-11；Intermediate extraction superheater-12；Batteries-13；Backpressure regulation blower fan-14；Inverter and frequency 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；Blowdown Mouth-23；Petroleum storage room-24；Driver's cabin-25；Drying air fan-26；Active carbon filter-27；Air outlet slit-28；Air Entrance-29.

Detailed description of the invention

The invention will be further described with the following Examples.

Embodiment 1:

A kind of petroleum transportation device with functions/drying as shown in Figure 1, including driver's cabin 25, petroleum storage room 24, is dried Blower fan 26, active carbon filter 27, air intake 29, air outlet slit 28 and energy of engine's tail gas retracting device, air enters Mouthfuls 29, in drying air fan 26, active carbon filter 27 and air outlet slit 28 are installed in petroleum storage room 24 and be sequentially connected, Humid air in petroleum storage room 24 is entered by air intake 29, drying air fan 26 deliver to remove in active carbon filter 27 Moisture and impurity, the dry air obtained is sent by air outlet slit 28；This petroleum transportation device with engine 2 as drive power.

As in figure 2 it is shown, engine power retracting device is for reclaiming the energy of engine 2 tail gas, it includes radiator 1, sends out Motivation 2, backwater evaporimeter 9, high temperature heat-exchanging loop, low-temperature heat exchange loop, batteries 13, inverter and frequency converter 15 and Backpressure regulation blower fan 14.Radiator 1 is connected with engine 2, and radiator 1 leads to supercooled water to be transferred to the heat of engine 2 On radiator 1, and by the surface radiating of radiator 1.The tail gas of engine 2 sequentially passes through backpressure regulation blower fan 14, height Air is discharged after temperature evaporimeter 5, cryogenic vaporizer 6 cooling.

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

Low-temperature circulating pump 11 that low-temperature heat exchange loop includes being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature Multiple expansion engine 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer 6 is arranged on To reclaim the heat of tail gas further on low temperature exhaust gas pipeline after high-temperature evaporator 5, through Jie of low-temperature condenser 6 cooling Matter R245fa is squeezed in cryogenic vaporizer 6 by low-temperature circulating pump 11, and the WATER AS FLOW MEDIUM after heating is after intermediate extraction superheater 12 Do work through low temperature multistage decompressor 8, 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, evaporation of water temperature Evaporating temperature than R245fa exceeds much, is therefore suitable in the tail gas section of high temperature using；And make in the tail gas section of low temperature With R245fa as medium, it is more beneficial for its evaporation acting.It addition, this under the conditions of different pressure and temperatures by both Medium is used in combination, and the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heating Thermal source draws gas from the intergrade of high temperature multistage expansion turbine 7, drawing gas at high temperature multistage expansion turbine 7 of this part Middle through one section of expansion process, utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, one Aspect 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 low-temperature receiver damages Lose, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can be according to the different operating modes in two decompressors Scope determines.Also include regulating valve 16, regulation valve 16 according to the R245fa temperature feedback after intermediate extraction superheater 12 and Pressure feedback in high temperature multistage expansion turbine 7, for regulating the flow that intergrade is drawn gas, when after intermediate extraction superheater 12 R245fa temperature feedback value more than or less than set intermediate extraction superheater 12 after R245fa temperature value time, automatically close Little 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 high temperature set During pressure atresia value in multistage expansion turbine 7, automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly), in case Stop exerting oneself of high temperature multistage expansion turbine 7 too low, the R245fa temperature value after the intermediate extraction superheater 12 of setting and setting High temperature multistage expansion turbine 7 in pressure atresia value according to different concrete conditions by experiment method be manually set, add Intergrade after heat is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, high-temperature evaporator 5 is taken And 3/4 that distance L between cryogenic vaporizer 6 is exhaust pipe road overall length, high temperature multistage expansion turbine 7 be 3 grades swollen Swollen machine, intergrade is drawn gas and is taken from the 2nd grade of high temperature multistage expansion turbine.

As shown in Figure 3,4, it is contemplated that the impurity in tail gas be not easy to after more how long using cleaning is susceptible to blocking, and Take into account heat exchange efficiency, high-temperature evaporator 5 and cryogenic vaporizer 6 and all use the new structure of screen formula-spiral heat exchange tube, at tail gas Inlet side, use the screen formula heat exchanger tube 17 that is staggered in arrangement, the most most tail gas impurity is blocked in screen formula heat exchanger tube 17 On, during cleaning easily, it is staggered in arrangement the flow resistance that also can effectively reduce tail gas simultaneously；And use spiral heat exchange in the second half section Pipe 18, to strengthen flow perturbation raising heat exchange efficiency.The cooling source of warm condenser 3 and low-temperature condenser 4 can take from air-conditioning Cold-producing medium, it is also possible to take from other low-temperature receiver, because the after-heat of this part is seldom, as long as can meet heat-exchanging loop In medium be re-cooled to liquid and prevent high temperature circulation pump 10 and low-temperature circulating pump 11 from vaporizing.Described high-temperature evaporator 5 Being integrally provided in the heat exchange housing of drum type brake with cryogenic vaporizer 6, heat exchange housing is passed through spiral shell by procapsid 20 and back casing 21 Bolt 22 fastens and forms, and the length of procapsid 20 is identical with the horizontal length of screen formula heat exchanger tube 17, the length of back casing 21 and spiral shell The horizontal length of rotation heat exchanger tube 18 is identical；It is provided with multiple vibrator (not shown), rapping on described screen formula heat exchanger tube 17 Device is powered by batteries 13；The bottom of described procapsid 20 is curved, is additionally provided with blowdown at the minimum point of curved bottom Mouth 23, discharges the dirt fallen that shakes on screen formula heat exchanger tube 17 for periodically.

Engine 2 to the CWR road of radiator 1 is additionally provided with backwater evaporimeter 9, is used for reclaiming engine cold But the heat of water backwater, its cooling source takes from the centre tap of low-temperature circulating pump 11, heated after centre tap out R245fa returns to the porch of intermediate extraction superheater 12.The centre tap of low-temperature circulating pump 11 relatively low for pressure is led to back The backwater of water evaporimeter cooling engine cooling water, on the one hand can reclaim the heat of cooling water backwater well, on the other hand compare Individually set up a circulation or have the most energy-conservation from the outlet extraction cooling medium of low-temperature circulating pump 11 and high temperature circulation pump 10 Effect.

Pass through shaft coupling 19 between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7 coaxially connected, start in system At the initial stage, owing to exhaust temperature is relatively low, the 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, and drives high temperature multistage expansion turbine 7 low speed to rotate in advance by shaft coupling 19 simultaneously, this Sample can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shortens the startup time, due to now high temperature multistage turbine Medium temperature in decompressor 7 is the lowest, and the length of blade of high temperature multistage expansion turbine 7 is compared with the leaf of low temperature multiple expansion engine 8 Leaf length is little, and the air blast friction of blade is the least, almost can consider；When system stops, high temperature multistage expansion turbine 7 first coasting operation are slowed down, and drive low temperature multistage decompressor 8 to slow down, to reduce the lazy of cryogenic expansion machine 8 by shaft coupling 19 simultaneously Walk the time, owing to the medium temperature in decompressor in stopped process is the highest, now primarily serve reduction low temperature multistage decompressor The air blast friction of 8, prevents the effect that blade is overheated.

One end of high temperature multistage expansion turbine 7 is connected with batteries 13, and batteries 13 is for storing by decompressor kinetic energy The electric energy being transformed.The technology of the electric energy of battery is converted energy into about decompressor, owing to prior art is the most ripe, Do not repeat them here.Batteries 13 is connected with inverter and frequency converter 15, and inverter is for by the DC inverter of battery For alternating current, frequency converter is used for driving backpressure regulation blower fan 14 and regulating its rotating speed.The energy recycle device impact on engine 2 The exhaust back pressure of engine 2 can be made to raise when essentially consisting in engine exhaust by heater in system, and exhaust back pressure rising Power consumption when can cause engine piston that waste gas is released cylinder increases, and therefore arranging backpressure regulation blower fan 14 can effectively lower also And the back pressure of control engine 2, during operation, regulated the rotating speed of backpressure regulation blower fan 14 by the pressure at expulsion feedback detected Thus regulating back pressure in optimum value, the most this energy utilizing batteries 13 itself is to outside driving the mode of blower fan need not The advantage of the power supply come.

Low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7 are respectively by high temperature inlet valve and low temperature air inlet valve (in figure not Illustrate) regulate respective throttle flow.The high temperature inlet valve used and the stability of flow district of low temperature air inlet valve are 30%～100% volume Constant 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 pump and adjust The flow of joint working medium, it is achieved to working medium control of temperature at expander inlet, decompressor must be made when flow changes Corresponding adjustment mates 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, use pressure regulation and Speed regulates the control mode matched: when high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are more than 30% respective specified stream During amount, high temperature inlet valve or low temperature inlet valve holding standard-sized sheet are to avoid restriction loss, by regulation high temperature circulation pump 10 or low temperature The rotating speed of circulating pump 11 changes exerting oneself of decompressor；When high temperature heat-exchanging loop or low-temperature heat exchange circuit cycle flow are each less than 30% When metered flow, owing to the control characteristic of inlet valve during low discharge is unstable, keep high temperature circulation pump 10 or low-temperature circulating pump 11 rotating speeds are constant, regulate exerting oneself of decompressor by the aperture controlling high temperature inlet valve or low temperature inlet valve.

In the petroleum transportation device of this embodiment, simple and practical, it is dried room air by active carbon filter and prevents oil Matter emulsifies, and engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of engine, according to not The heat recovery demand of synthermal section and the evaporating temperature of medium and the difference of heat transfer characteristic, use not in high temperature section and low-temperature zone Same circulatory mediator, thus improve the heat exchange efficiency of system on the whole；By taking out in the middle of low-temperature circulating pump relatively low for pressure Head leads to backwater evaporimeter 9 and cools down the backwater of engine cooling water, it is possible to reclaim cooling reclaiming motor exhaust used heat simultaneously The heat of water, and energy-saving effect is obvious；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, the most just In cleaning, add again heat exchange efficiency；By recovering energy part for driving back pressure to adjust by inverter and frequency converter 15 Joint blower fan 14, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, realizing without driven by external power By backpressure regulation and energy regenerating integration while blower fan, it is greatly saved investment and space hold；Utilize high temperature multistage turbine The intergrade of decompressor 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, Utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that R245fa Effective vaporization, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve energy and return The whole efficiency of receiving apparatus；Shaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7, At the initial stage that system starts, owing to exhaust temperature is relatively low, the R245fa in low-temperature heat exchange loop is prior to the water in high temperature heat-exchanging loop Arriving vapourizing temperature, first low temperature multistage decompressor starts, and drives high temperature multistage expansion turbine 7 low by shaft coupling 19 simultaneously Speed is pre-to be rotated, and so can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shorten the startup time, stop in system Time only, high temperature multistage expansion turbine 7 first coasting operation is slowed down, and drives 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, mainly Play the air blast friction reducing low temperature multistage decompressor 8, prevent the effect that blade is overheated；Vapour is entered according under different flow rate working conditions Valve regulation characteristic and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, damage reducing throttling The stability of regulation is maintained while mistake.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road The 3/4 of overall length, high temperature multistage expansion turbine 7 is 3 grades of decompressors, and intergrade is drawn gas and taken from high temperature multistage expansion turbine 7 The 2nd grade, heat recovery efficiency improves 4%, achieves beyond thought effect.

Embodiment 2:

As in figure 2 it is shown, engine power retracting device is for reclaiming the energy of motor exhaust, it includes radiator 1, starts Machine 2, backwater evaporimeter 9, high temperature heat-exchanging loop, low-temperature heat exchange loop, batteries 13, inverter and frequency converter 15 and the back of the body Pressure regulation blower fan 14.Radiator 1 is connected with engine 2, and radiator 1 leads to supercooled water to be transferred to dissipate by the heat of engine 2 On hot device 1, and by the surface radiating of radiator 1.The tail gas of engine 2 sequentially passes through backpressure regulation blower fan 14, high temperature Air is discharged after the cooling of evaporimeter 5, cryogenic vaporizer 6.

Low-temperature circulating pump 11 that low-temperature heat exchange loop includes being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature Multiple expansion engine 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer 6 is arranged on To reclaim the heat of tail gas further on low temperature exhaust gas pipeline after high-temperature evaporator 5, through Jie of low-temperature condenser 6 cooling Matter R245fa is squeezed in cryogenic vaporizer 6 by low-temperature circulating pump 11, and the WATER AS FLOW MEDIUM after heating is after intermediate extraction superheater 12 Do work through low temperature multistage decompressor 8, 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, evaporation of water temperature Evaporating temperature than R245fa exceeds much, is therefore suitable in the tail gas section of high temperature using；And make in the tail gas section of low temperature With R245fa as medium, it is more beneficial for its evaporation acting.It addition, this under the conditions of different pressure and temperatures by both Medium is used in combination, and the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heating Thermal source draws gas from the intergrade of high temperature multistage expansion turbine 7, drawing gas at high temperature multistage expansion turbine 7 of this part Middle through one section of expansion process, utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, one Aspect 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 low-temperature receiver damages Lose, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can be according to the different operating modes in two decompressors Scope determines.Also include regulating valve 16, regulation valve 16 according to the R245fa temperature feedback after intermediate extraction superheater 12 and Pressure feedback in high temperature multistage expansion turbine 7, for regulating the flow that intergrade is drawn gas, when after intermediate extraction superheater 12 R245fa temperature feedback value more than or less than set intermediate extraction superheater 12 after R245fa temperature value time, automatically close Little 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 high temperature set During pressure atresia value in multistage expansion turbine 7, automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly), in case Stop exerting oneself of high temperature multistage expansion turbine 7 too low, the R245fa temperature value after the intermediate extraction superheater 12 of setting and setting High temperature multistage expansion turbine 7 in pressure atresia value according to different concrete conditions by experiment method be manually set, add Intergrade after heat is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, high-temperature evaporator 5 is taken And 2/3 that distance L between cryogenic vaporizer 6 is exhaust pipe road overall length, high temperature multistage expansion turbine 7 be 4 grades swollen Swollen machine, intergrade is drawn gas and is taken from the 2nd grade of high temperature multistage expansion turbine.

In the petroleum transportation device of this embodiment, simple and practical, it is dried room air by active carbon filter and prevents oil Matter emulsifies, and engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of engine, according to not The heat recovery demand of synthermal section and the evaporating temperature of medium and the difference of heat transfer characteristic, use not in high temperature section and low-temperature zone Same circulatory mediator, thus improve the heat exchange efficiency of system on the whole；By taking out in the middle of low-temperature circulating pump relatively low for pressure Head leads to backwater evaporimeter 9 and cools down the backwater of engine cooling water, it is possible to reclaim cooling reclaiming motor exhaust used heat simultaneously The heat of water, and energy-saving effect is obvious；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, the most just In cleaning, add again heat exchange efficiency；By recovering energy part for driving back pressure to adjust by inverter and frequency converter 15 Joint blower fan 14, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, realizing without driven by external power By backpressure regulation and energy regenerating integration while blower fan, it is greatly saved investment and space hold；Utilize high temperature multistage turbine The intergrade of decompressor 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, Utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that R245fa Effective vaporization, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve energy and return The whole efficiency of receiving apparatus；Shaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7, At the initial stage that system starts, owing to exhaust temperature is relatively low, the R245fa in low-temperature heat exchange loop is prior to the water in high temperature heat-exchanging loop Arriving vapourizing temperature, first low temperature multistage decompressor starts, and drives high temperature multistage expansion turbine 7 low by shaft coupling 19 simultaneously Speed is pre-to be rotated, and so can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shorten the startup time, stop in system Time only, high temperature multistage expansion turbine 7 first coasting operation is slowed down, and drives 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, mainly Play the air blast friction reducing low temperature multistage decompressor 8, prevent the effect that blade is overheated；Vapour is entered according under different flow rate working conditions Valve regulation characteristic and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, damage reducing throttling The stability of regulation is maintained while mistake.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road The 2/3 of overall length, high temperature multistage expansion turbine 7 is 4 grades of decompressors, and intergrade is drawn gas and taken from high temperature multistage expansion turbine 7 The 2nd grade, heat recovery efficiency improves 4.5%, achieves beyond thought effect.

Embodiment 3:

Low-temperature circulating pump 11 that low-temperature heat exchange loop includes being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature Multiple expansion engine 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer 6 is arranged on To reclaim the heat of tail gas further on low temperature exhaust gas pipeline after high-temperature evaporator 5, through Jie of low-temperature condenser 6 cooling Matter R245fa is squeezed in cryogenic vaporizer 6 by low-temperature circulating pump 11, and the WATER AS FLOW MEDIUM after heating is after intermediate extraction superheater 12 Do work through low temperature multistage decompressor 8, 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, evaporation of water temperature Evaporating temperature than R245fa exceeds much, is therefore suitable in the tail gas section of high temperature using；And make in the tail gas section of low temperature With R245fa as medium, it is more beneficial for its evaporation acting.It addition, this under the conditions of different pressure and temperatures by both Medium is used in combination, and the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heating Thermal source draws gas from the intergrade of high temperature multistage expansion turbine 7, drawing gas at high temperature multistage expansion turbine 7 of this part Middle through one section of expansion process, utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, one Aspect 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 low-temperature receiver damages Lose, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can be according to the different operating modes in two decompressors Scope determines.Also include regulating valve 16, regulation valve 16 according to the R245fa temperature feedback after intermediate extraction superheater 12 and Pressure feedback in high temperature multistage expansion turbine 7, for regulating the flow that intergrade is drawn gas, when after intermediate extraction superheater 12 R245fa temperature feedback value more than or less than set intermediate extraction superheater 12 after R245fa temperature value time, automatically close Little 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 high temperature set During pressure atresia value in multistage expansion turbine 7, automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly), in case Stop exerting oneself of high temperature multistage expansion turbine 7 too low, the R245fa temperature value after the intermediate extraction superheater 12 of setting and setting High temperature multistage expansion turbine 7 in pressure atresia value according to different concrete conditions by experiment method be manually set, add Intergrade after heat is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, high-temperature evaporator 5 is taken And 1/2 that distance L between cryogenic vaporizer 6 is exhaust pipe road overall length, high temperature multistage expansion turbine 7 be 5 grades swollen Swollen machine, intergrade is drawn gas and is taken from the 3rd level of high temperature multistage expansion turbine.

In the petroleum transportation device of this embodiment, simple and practical, it is dried room air by active carbon filter and prevents oil Matter emulsifies, and engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of engine, according to not The heat recovery demand of synthermal section and the evaporating temperature of medium and the difference of heat transfer characteristic, use not in high temperature section and low-temperature zone Same circulatory mediator, thus improve the heat exchange efficiency of system on the whole；By taking out in the middle of low-temperature circulating pump relatively low for pressure Head leads to backwater evaporimeter 9 and cools down the backwater of engine cooling water, it is possible to reclaim cooling reclaiming motor exhaust used heat simultaneously The heat of water, and energy-saving effect is obvious；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, the most just In cleaning, add again heat exchange efficiency；By recovering energy part for driving back pressure to adjust by inverter and frequency converter 15 Joint blower fan 14, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, realizing without driven by external power By backpressure regulation and energy regenerating integration while blower fan, it is greatly saved investment and space hold；Utilize high temperature multistage turbine The intergrade of decompressor 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, Utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that R245fa Effective vaporization, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve energy and return The whole efficiency of receiving apparatus；Shaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7, At the initial stage that system starts, owing to exhaust temperature is relatively low, the R245fa in low-temperature heat exchange loop is prior to the water in high temperature heat-exchanging loop Arriving vapourizing temperature, first low temperature multistage decompressor starts, and drives high temperature multistage expansion turbine 7 low by shaft coupling 19 simultaneously Speed is pre-to be rotated, and so can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shorten the startup time, stop in system Time only, high temperature multistage expansion turbine 7 first coasting operation is slowed down, and drives 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, mainly Play the air blast friction reducing low temperature multistage decompressor 8, prevent the effect that blade is overheated；Vapour is entered according under different flow rate working conditions Valve regulation characteristic and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, damage reducing throttling The stability of regulation is maintained while mistake.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road The 1/2 of overall length, high temperature multistage expansion turbine 7 is 5 grades of decompressors, and intergrade is drawn gas and taken from high temperature multistage expansion turbine 7 3rd level, heat recovery efficiency improves 5%, achieves beyond thought effect.

Embodiment 4:

Low-temperature circulating pump 11 that low-temperature heat exchange loop includes being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature Multiple expansion engine 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer 6 is arranged on To reclaim the heat of tail gas further on low temperature exhaust gas pipeline after high-temperature evaporator 5, through Jie of low-temperature condenser 6 cooling Matter R245fa is squeezed in cryogenic vaporizer 6 by low-temperature circulating pump 11, and the WATER AS FLOW MEDIUM after heating is after intermediate extraction superheater 12 Do work through low temperature multistage decompressor 8, 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, evaporation of water temperature Evaporating temperature than R245fa exceeds much, is therefore suitable in the tail gas section of high temperature using；And make in the tail gas section of low temperature With R245fa as medium, it is more beneficial for its evaporation acting.It addition, this under the conditions of different pressure and temperatures by both Medium is used in combination, and the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heating Thermal source draws gas from the intergrade of high temperature multistage expansion turbine 7, drawing gas at high temperature multistage expansion turbine 7 of this part Middle through one section of expansion process, utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, one Aspect 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 low-temperature receiver damages Lose, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can be according to the different operating modes in two decompressors Scope determines.Also include regulating valve 16, regulation valve 16 according to the R245fa temperature feedback after intermediate extraction superheater 12 and Pressure feedback in high temperature multistage expansion turbine 7, for regulating the flow that intergrade is drawn gas, when after intermediate extraction superheater 12 R245fa temperature feedback value more than or less than set intermediate extraction superheater 12 after R245fa temperature value time, automatically close Little 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 high temperature set During pressure atresia value in multistage expansion turbine 7, automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly), in case Stop exerting oneself of high temperature multistage expansion turbine 7 too low, the R245fa temperature value after the intermediate extraction superheater 12 of setting and setting High temperature multistage expansion turbine 7 in pressure atresia value according to different concrete conditions by experiment method be manually set, add Intergrade after heat is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, high-temperature evaporator 5 is taken And 2/5 that distance L between cryogenic vaporizer 6 is exhaust pipe road overall length, high temperature multistage expansion turbine 7 be 5 grades swollen Swollen machine, intergrade is drawn gas and is taken from the 2nd grade of high temperature multistage expansion turbine.

In the petroleum transportation device of this embodiment, simple and practical, it is dried room air by active carbon filter and prevents oil Matter emulsifies, and engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of engine, according to not The heat recovery demand of synthermal section and the evaporating temperature of medium and the difference of heat transfer characteristic, use not in high temperature section and low-temperature zone Same circulatory mediator, thus improve the heat exchange efficiency of system on the whole；By taking out in the middle of low-temperature circulating pump relatively low for pressure Head leads to backwater evaporimeter 9 and cools down the backwater of engine cooling water, it is possible to reclaim cooling reclaiming motor exhaust used heat simultaneously The heat of water, and energy-saving effect is obvious；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, the most just In cleaning, add again heat exchange efficiency；By recovering energy part for driving back pressure to adjust by inverter and frequency converter 15 Joint blower fan 14, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, realizing without driven by external power By backpressure regulation and energy regenerating integration while blower fan, it is greatly saved investment and space hold；Utilize high temperature multistage turbine The intergrade of decompressor 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, Utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that R245fa Effective vaporization, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve energy and return The whole efficiency of receiving apparatus；Shaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7, At the initial stage that system starts, owing to exhaust temperature is relatively low, the R245fa in low-temperature heat exchange loop is prior to the water in high temperature heat-exchanging loop Arriving vapourizing temperature, first low temperature multistage decompressor starts, and drives high temperature multistage expansion turbine 7 low by shaft coupling 19 simultaneously Speed is pre-to be rotated, and so can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shorten the startup time, stop in system Time only, high temperature multistage expansion turbine 7 first coasting operation is slowed down, and drives 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, mainly Play the air blast friction reducing low temperature multistage decompressor 8, prevent the effect that blade is overheated；Vapour is entered according under different flow rate working conditions Valve regulation characteristic and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, damage reducing throttling The stability of regulation is maintained while mistake.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road The 2/5 of overall length, high temperature multistage expansion turbine 7 is 5 grades of decompressors, and intergrade is drawn gas and taken from high temperature multistage expansion turbine 7 The 2nd grade, heat recovery efficiency improves 5.5%, achieves beyond thought effect.

Embodiment 5:

Low-temperature circulating pump 11 that low-temperature heat exchange loop includes being sequentially connected, cryogenic vaporizer 6, intermediate extraction superheater 12, low temperature Multiple expansion engine 8 and low-temperature condenser 4, in low-temperature heat exchange loop, the medium of flowing is R245fa, and cryogenic vaporizer 6 is arranged on To reclaim the heat of tail gas further on low temperature exhaust gas pipeline after high-temperature evaporator 5, through Jie of low-temperature condenser 6 cooling Matter R245fa is squeezed in cryogenic vaporizer 6 by low-temperature circulating pump 11, and the WATER AS FLOW MEDIUM after heating is after intermediate extraction superheater 12 Do work through low temperature multistage decompressor 8, 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, evaporation of water temperature Evaporating temperature than R245fa exceeds much, is therefore suitable in the tail gas section of high temperature using；And make in the tail gas section of low temperature With R245fa as medium, it is more beneficial for its evaporation acting.It addition, this under the conditions of different pressure and temperatures by both Medium is used in combination, and the most also can improve the heat exchange efficiency of system.Intermediate extraction superheater 12 is pipe heat exchanger, heating Thermal source draws gas from the intergrade of high temperature multistage expansion turbine 7, drawing gas at high temperature multistage expansion turbine 7 of this part Middle through one section of expansion process, utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, one Aspect 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 low-temperature receiver damages Lose, thus improve the whole efficiency of energy recycle device.The concrete progression that draws gas can be according to the different operating modes in two decompressors Scope determines.Also include regulating valve 16, regulation valve 16 according to the R245fa temperature feedback after intermediate extraction superheater 12 and Pressure feedback in high temperature multistage expansion turbine 7, for regulating the flow that intergrade is drawn gas, when after intermediate extraction superheater 12 R245fa temperature feedback value more than or less than set intermediate extraction superheater 12 after R245fa temperature value time, automatically close Little 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 high temperature set During pressure atresia value in multistage expansion turbine 7, automatic blocking regulation valve 16 opens greatly (i.e. forbidding that it continues out greatly), in case Stop exerting oneself of high temperature multistage expansion turbine 7 too low, the R245fa temperature value after the intermediate extraction superheater 12 of setting and setting High temperature multistage expansion turbine 7 in pressure atresia value according to different concrete conditions by experiment method be manually set, add Intergrade after heat is drawn gas and is back to high temperature recuperated cycle loop (not shown).In this embodiment, high-temperature evaporator 5 is taken And 2/7 that distance L between cryogenic vaporizer 6 is exhaust pipe road overall length, high temperature multistage expansion turbine 7 be 6 grades swollen Swollen machine, intergrade is drawn gas and is taken from the 3rd level of high temperature multistage expansion turbine.

In the petroleum transportation device of this embodiment, simple and practical, it is dried room air by active carbon filter and prevents oil Matter emulsifies, and engine exhaust energy can utilize by secondary, energy-conserving and environment-protective；Devise the exhaust gas recovery system of engine, according to not The heat recovery demand of synthermal section and the evaporating temperature of medium and the difference of heat transfer characteristic, use not in high temperature section and low-temperature zone Same circulatory mediator, thus improve the heat exchange efficiency of system on the whole；By taking out in the middle of low-temperature circulating pump relatively low for pressure Head leads to backwater evaporimeter 9 and cools down the backwater of engine cooling water, it is possible to reclaim cooling reclaiming motor exhaust used heat simultaneously The heat of water, and energy-saving effect is obvious；Redesign screen formula-spiral heat exchange tube that a kind of applicable tail gas heat exchange uses, the most just In cleaning, add again heat exchange efficiency；By recovering energy part for driving back pressure to adjust by inverter and frequency converter 15 Joint blower fan 14, and the rotating speed of the feedback regulation backpressure regulation blower fan 14 according to exhaust back pressure, realizing without driven by external power By backpressure regulation and energy regenerating integration while blower fan, it is greatly saved investment and space hold；Utilize high temperature multistage turbine The intergrade of decompressor 7 is drawn gas, this part draw gas in high temperature multistage expansion turbine 7 through one section of expansion process, Utilize its remaining heat to heat the medium R245fa before entering low temperature multistage decompressor 8, on the one hand can ensure that R245fa Effective vaporization, on the other hand can improve the mechanical efficiency in low-temperature expansion loop, it is to avoid cold source energy, thus improve energy and return The whole efficiency of receiving apparatus；Shaft coupling 19 is passed through coaxially connected between low temperature multistage decompressor 8 and high temperature multistage expansion turbine 7, At the initial stage that system starts, owing to exhaust temperature is relatively low, the R245fa in low-temperature heat exchange loop is prior to the water in high temperature heat-exchanging loop Arriving vapourizing temperature, first low temperature multistage decompressor starts, and drives high temperature multistage expansion turbine 7 low by shaft coupling 19 simultaneously Speed is pre-to be rotated, and so can effectively reduce the startup pressure of high temperature multistage expansion turbine 7, shorten the startup time, stop in system Time only, high temperature multistage expansion turbine 7 first coasting operation is slowed down, and drives 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, mainly Play the air blast friction reducing low temperature multistage decompressor 8, prevent the effect that blade is overheated；Vapour is entered according under different flow rate working conditions Valve regulation characteristic and the consideration of restriction loss, devise a kind of rotating speed and control mode that inlet valve combines, damage reducing throttling The stability of regulation is maintained while mistake.Distance L between high-temperature evaporator 5 and cryogenic vaporizer 6 is exhaust pipe road The 2/7 of overall length, high temperature multistage expansion turbine 7 is 6 grades of decompressors, and intergrade is drawn gas and taken from high temperature multistage expansion turbine 7 3rd level, heat recovery efficiency improves 6%, achieves beyond thought effect.

Last it should be noted that, above example is only in order to illustrate technical scheme, rather than to scope Restriction, 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. there is a petroleum transportation device for functions/drying, it is characterized in that, including driver's cabin, petroleum storage room, drying air fan, Active carbon filter, air intake, air outlet slit and energy of engine's tail gas retracting device, air intake, drying air fan, work Property carbon filter and air outlet slit to be installed in petroleum storage indoor and be sequentially connected, the indoor humid air of petroleum storage is entered by air Mouth enters, drying air fan deliver to remove moisture removal and impurity in active carbon filter, and the dry air obtained is sent by air outlet slit； This petroleum transportation device engine is as driving power, and energy of engine's tail gas retracting device is for reclaiming the energy of motor exhaust Amount, it includes radiator, engine, backwater evaporimeter, high temperature heat-exchanging loop, low-temperature heat exchange loop, batteries, inversion Device and frequency converter, backpressure regulation blower fan；Described radiator is connected with engine, and radiator leads to supercooled water by the heat of engine Transfer on radiator, and by the surface radiating of radiator；The tail gas of engine sequentially passes through backpressure regulation blower fan, high temperature steams Send out device, cryogenic vaporizer cooling heel row to air；

A kind of petroleum transportation device with functions/drying the most according to claim 1, is characterized in that, described low temperature multistage Decompressor and high temperature multistage expansion turbine pass through high temperature inlet valve and the respective throttle flow of low temperature air inlet valve regulation respectively, employing The stability of flow district of high temperature inlet valve and low temperature air inlet valve is 30%～100% metered flow, when high temperature heat-exchanging loop or low-temperature heat exchange Circuit cycle flow more than 30% respective metered flow time, high temperature inlet valve or low temperature inlet valve holding standard-sized sheet to avoid restriction loss, Exerting oneself of decompressor is changed by the rotating speed of regulation high temperature circulation pump or low-temperature circulating pump；When high temperature heat-exchanging loop or low temperature change When hot loop circular flow is less than 30% respective metered flow, the rotating speed keeping high temperature circulation pump or low-temperature circulating pump is constant, passes through The aperture controlling high temperature inlet valve or low temperature inlet valve regulates exerting oneself of decompressor.