CN104033271B - A kind of efficient waste heat recycling system - Google Patents

A kind of efficient waste heat recycling system Download PDF

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Publication number
CN104033271B
CN104033271B CN201410225234.6A CN201410225234A CN104033271B CN 104033271 B CN104033271 B CN 104033271B CN 201410225234 A CN201410225234 A CN 201410225234A CN 104033271 B CN104033271 B CN 104033271B
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heat
room
flue gas
oil
water
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CN201410225234.6A
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Chinese (zh)
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CN104033271A (en
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张东
高军喜
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北京时代科锐新能源科技有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The open a kind of efficient waste heat recycling system of the present invention, comprise waste-heat recovery device and residual heat using device, described waste-heat recovery device comprises heat-condutive oil heat exchanger, store up hot fuel tank and vapour generator, the side of described heat-condutive oil heat exchanger is connected with Diesel Engine Exhaust Pipe and communicates, the thermal oil outlet of described heat-condutive oil heat exchanger is connected with the hot fuel tank of described storage by transition pipeline, the hot fuel tank of described storage is connected with the thermal source input aperture of vapour generator by transition pipeline, the thermal source delivery port of described vapour generator is connected with the thermal oil entrance of described heat-condutive oil heat exchanger by transition pipeline, described residual heat using device comprises water heater, and described water heater one end is connected with described fume emission mouth, and the water-in of described water heater is connected with water pump, and the water outlet of described water heater is connected with the water input of vapour generator. it is an advantage of the invention that: 1. waste heat recovery efficiency height, 2. steam production and pressure-stabilisation, 3. gross contamination emission greatly reduces.

Description

A kind of efficient waste heat recycling system

[technical field]

The invention belongs to energy-saving environmental protection device technical field, in particular to the efficient waste heat recycling system of a kind of high-level efficiency and energy-conserving and environment-protective.

[background technology]

Three 190 serial diesel engines generally equipped by oilfield machinery rig. According to data introduction, the heat energy that every platform diesel engine produces only has about 40% to be converted into mechanical energy, and 35% discharges from flue gas, and 25% is taken away by heat radiation, and namely the heat energy of 60% does not all play a role. It thus is seen that diesel engine thermal energy to be useful work very low, waste huge.

By being measured by the flue gas of diesel emission, rely on existing technological means, the fume afterheat of diesel engine can be recycled completely, form free thermal source, substitute existing boiler. Meet the strategic demands such as energy-conservation, the reduction of discharging of enterprise and country, environmental protection.

Therefore, it is provided that a kind of high efficiency oil field diesel tail gas waste heat utilizes system to become urgent problem in the industry.

[summary of the invention]

It is an object of the invention to for the present situation that oil field diesel tail gas waste heat is wasted in a large number, a kind of high efficiency efficient waste heat recycling system utilizing oil field diesel tail gas waste heat is provided, it is installed on diesel exhaust gas pipeline, by adopting thermal oil heat exchange and water heat exchange two-stage heat transfer technology, waste heat recovery is made to reach more than 70%.

In order to realize above-mentioned purpose, the present invention is achieved in that a kind of efficient waste heat recycling system, may be used for diesel tail gas waste heat to recycle, it comprises waste-heat recovery device and residual heat using device, described waste-heat recovery device comprises heat-condutive oil heat exchanger, store up hot fuel tank and vapour generator, the side of described heat-condutive oil heat exchanger is connected with Diesel Engine Exhaust Pipe and communicates, another side of described heat-condutive oil heat exchanger is fume emission mouth, the thermal oil outlet of described heat-condutive oil heat exchanger is connected with the hot fuel tank of described storage by transition pipeline, the hot fuel tank of described storage is connected with the thermal source input aperture of vapour generator by transition pipeline, the thermal source delivery port of described vapour generator is connected with the thermal oil entrance of described heat-condutive oil heat exchanger by transition pipeline, form thermal oil circulating heat exchanging pipe system, described residual heat using device comprises water heater, described water heater one end is connected with described fume emission mouth, the other end is connected with fume emission chimney, the water-in of described water heater is connected with water pump by hydraulic pipe, the water outlet of described water heater is connected with the water input of vapour generator by hydraulic pipe, and steam is exported by the vapour outlet of described vapour generator. one-level heat exchange is carried out, it is possible to store and the hot fuel tank of storage with thermal oil and diesel engine vent gas, then by water heater, the water of input vapour generator is carried out preheating with the waste heat flue gas discharged, in vapour generator, then carry out heat exchange with thermal oil be converted into steam output, for generating etc. diesel engine vent gas heat extraction waste heat can be reclaimed comprehensively and effectively, reduce field work energy resource supply, cost-saving.

Described vapour generator is bilayer structure, and its internal layer arranges the thermal oil entrance being connected with thermal oil transition pipeline and thermal oil outlet, and the skin being wrapped in described internal layer is provided with the water input and vapour outlet that are connected with hydraulic pipe; Described endothecium structure is made up of 8 straight pipes of upper and lower two ring-shaped round pipe and connection two described ring-shaped round pipe, the ring-shaped round pipe of bottom arranges thermal oil entrance and is connected with heat conductive oil inlet pipe, and the ring-shaped round pipe on top arranges thermal oil outlet and is connected with thermal oil outlet pipe; Minimum three pieces of spirrillum flow deflectors extended along hollow cylinder sidewall are set at described outer sidewall, between described flow deflector, form water conservancy diversion canal.

Gas exhaust duct between described Diesel Engine Exhaust Pipe and heat-condutive oil heat exchanger is provided with the 2nd variable valve, for regulating the amount of the discharge flue gas of importing, to regulate can operating of whole system with optimum regime.

Described Diesel Engine Exhaust Pipe top is provided with the first variable valve, carries out heat exchange for intercepting discharge flue gas input heat-condutive oil heat exchanger.

Described heat-condutive oil heat exchanger comprises Heat Room, it is arranged on the high-temperature flue gas room of described Heat Room side and it is arranged on the low-temperature flue gas room of described another side of Heat Room, the entrance of the flue gas flow path of described interchanger is arranged on the end wall of described high-temperature flue gas room, the outlet of the flue gas flow path of described interchanger is arranged on the end wall of described low-temperature flue gas room, the heat conduction influx of described interchanger is arranged on described Heat Room on the sidewall of one end, described low-temperature flue gas room, the thermal oil outlet of described interchanger is arranged on described Heat Room on the sidewall of one end, described high-temperature flue gas room.

Described Heat Room comprises some the corrugated tubes being arranged in parallel, and arranges some fins at described corrugated tube outer side wall.

Described Heat Room also comprises at least one for changing thermal oil flow direction to extend the baffle plate of heat-exchange time.

Described baffle plate extends from a sidewall of described Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 times of calibers of described corrugated tube, it is possible to reach maximum heat exchange effect, effectively utilize fume afterheat.

Described water heater comprises Heat Room, it is arranged on the high-temperature flue gas room of described Heat Room side, it is arranged on the low-temperature flue gas room of described another side of Heat Room, the entrance of the flue gas flow path of described interchanger is arranged on the end wall of described high-temperature flue gas room, the outlet of the flue gas flow path of described interchanger is arranged on the end wall of described low-temperature flue gas room, the entrance on the current road of described interchanger is arranged on described Heat Room on the sidewall of one end, described low-temperature flue gas room, the outlet on the current road of described interchanger is arranged on described Heat Room on the sidewall of one end, described high-temperature flue gas room.

Described Heat Room comprises some the three-dimensional rifled tubes being arranged in parallel, and flue gas flows into described low-temperature flue gas room from described high-temperature flue gas room through described three-dimensional rifled tube, and water is at the outside of described three-dimensional rifled tube and the flue gas heat exchange flowing through described internally finned tube.

The Heat Room of described water-to-water heat exchanger comprises at least one for changing water flow direction to extend the baffle plate of heat-exchange time, described baffle plate extends from a sidewall of described Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 times of calibers of described three-dimensional internal-rib pipe pipe.

Described vapour generator is bilayer structure, its internal layer is connected with thermal conductive oil pipeline, and skin communicates with hot water pipe, and described endothecium structure is made up of upper and lower two ring-shaped round pipe and both 8 straight pipes of connection, the diameter of described ring-shaped round pipe is 100 millimeters, circle diameter 600 millimeters; Described straight pipe diameter 50 millimeters, length 1000 millimeters; Base circle circle pipe is connected with heat conductive oil inlet pipe, and upper, annular circle pipe is connected with thermal oil outlet pipe.

Described layer structure is hollow cylinder structure; The diameter of described cylinder is 1000 millimeters, height 1500 millimeters, wall thickness 10 millimeters; Bottom is connected with hot water inlet pipe, and top is provided with vapour outlet, and described vapour outlet installs safety valve.

Compared with prior art, the advantage that the present invention has and Advantageous Effects are as follows: 1. waste heat recovery efficiency height: 400 DEG C of high-temperature flue gas that diesel engine is discharged drop to 110 DEG C through two-stage heat-exchange temperature, and organic efficiency reaches more than 70%. ; 2. steam production and pressure-stabilisation: owing to system is by storing up hot fuel tank, when system start-stop and intermitten service, in fuel tank, the hot oil of storage can play poising action, it is ensured that steam production and pressure-stabilisation. 3. gross contamination emission greatly reduces: owing to utilizing fume afterheat can produce a large amount of steam, thus having saved a large amount of fuel, total emissions of major pollutants also greatly reduces.

[accompanying drawing explanation]

Fig. 1 is embodiment 1 structural representation of a kind of efficient waste heat recycling system of the present invention;

Fig. 2 is embodiment 2 structural representation of a kind of efficient waste heat recycling system of the present invention;

Fig. 3 is the main TV structure schematic diagram of vapour generator in the present invention's a kind of efficient waste heat recycling system;

Fig. 4 is the plan structure schematic diagram of vapour generator in a kind of efficient waste heat recycling system of the present invention;

Fig. 5 is the main TV structure schematic diagram of heat-condutive oil heat exchanger in the present invention's a kind of efficient waste heat recycling system;

Fig. 6 is the plan structure schematic diagram of heat-condutive oil heat exchanger in a kind of efficient waste heat recycling system of the present invention.

[embodiment]

Below in conjunction with the drawings and specific embodiments, the present invention is described in detail explanation.

Embodiment 1

A kind of efficient waste heat recycling system, as shown in Figure 1, may be used for diesel tail gas waste heat to recycle, it comprises waste-heat recovery device and residual heat using device, described waste-heat recovery device comprises heat-condutive oil heat exchanger, store up hot fuel tank and vapour generator, the side of described heat-condutive oil heat exchanger is connected with Diesel Engine Exhaust Pipe and communicates, another side of described heat-condutive oil heat exchanger is fume emission mouth, the thermal oil outlet of described heat-condutive oil heat exchanger is connected with the hot fuel tank of described storage by transition pipeline, the hot fuel tank of described storage is connected with the thermal source input aperture of vapour generator by transition pipeline, the thermal source delivery port of described vapour generator is connected with the thermal oil entrance of described heat-condutive oil heat exchanger by transition pipeline, form thermal oil circulating heat exchanging pipe system,Described residual heat using device comprises water heater, described water heater one end is connected with described fume emission mouth, the other end is connected with fume emission chimney, the water-in of described water heater is connected with water pump by hydraulic pipe, the water outlet of described water heater is connected with the water input of vapour generator by hydraulic pipe, steam is exported by the vapour outlet of described vapour generator, for generating or heating. About the 400 DEG C high-temperature flue gas that diesel engine is discharged enter water heater entered heat-condutive oil heat exchanger and thermal oil heat exchange by connecting tube after, heat entrained by flue gas is only absorbed by the water further, finally enter chimney, it is achieved that a large amount of waste heat recoveries, reach energy-efficient object. Thermal oil is heated to after more than 170 DEG C from 150 DEG C and passes out to oil storage case by described heat-condutive oil heat exchanger, then squeezes into vaporizer internal layer by oil pump through strainer. The cold water of 20 DEG C absorbs in water heater after flue gas heat can be warmed up to 130 DEG C and enters vaporizer skin, with produce after thermal oil septate heat transfer steam give user use. One-level heat exchange is carried out, it is possible to store and the hot fuel tank of storage with thermal oil and diesel engine vent gas; Then by water heater, the water of input vapour generator is carried out preheating with the waste heat flue gas discharged, in vapour generator, then carry out heat exchange with thermal oil be converted into steam output, can be used for generating etc., effective recovery diesel engine vent gas heat extraction waste heat, reduce field work energy resource supply, cost-saving. Wherein, the hot fuel tank of described storage arranges vapor pipe, or pressure release valve is set on the hot fuel tank of described storage, for pressure release, ensure safety. Preferably, the temperature of described water pump input water is 70 DEG C, it is possible to preferential save energy. The flue-gas temperature finally taken is only 110 DEG C, it is possible to alleviate environmental pollution. The hot fuel tank of described storage is connected with the thermal source input aperture of vapour generator by oil pump, arranges strainer between described oil pump and the thermal source input aperture of vapour generator, for being filtered by thermal oil. Vapor pipe is set at described storage hot fuel tank, to prevent it is excessive and produce the danger such as blast to store up hot tank internal pressure.

Described vapour generator is bilayer structure, as shown in Figure 3 and Figure 4, its internal layer arranges the thermal oil entrance 32 being connected with thermal oil transition pipeline and thermal oil outlet 31, and the skin 37 being wrapped in described internal layer is provided with the water input 34 and vapour outlet 33 that are connected with hydraulic pipe. Described endothecium structure is made up of 8 straight pipes 35 of upper and lower two ring-shaped round pipe 36 and connection two described ring-shaped round pipe 36, and the diameter of described ring-shaped round pipe 36 is 100 millimeters, circle diameter 600 millimeters; Described straight pipe diameter 50 millimeters, length 1000 millimeters; The ring-shaped round pipe 36 of bottom arranges thermal oil entrance 32 and is connected with heat conductive oil inlet pipe, and the ring-shaped round pipe 36 on top arranges thermal oil outlet 31 and is connected with thermal oil outlet pipe. Described ring-shaped round pipe 36 arranges minimum three, and described straight pipe 35 is connected with the inner chamber of described ring-shaped round pipe 36 and communicates. Like this, described thermal oil can be reallocated after carrying out minimum mixed once in described ring-shaped round pipe 36 and be entered straight Guan Zhong, and heat exchange is more even. At described straight pipe 35 outer side wall, the fin for improving heat exchange effect is set. Described fin arranging around outer wall spiral on described straight pipe 35, heat exchange effect is effectively promoted. The described structure of outer 37 is hollow cylinder structure; The diameter of described hollow cylinder is 1000 millimeters, height 1500 millimeters, wall thickness 10 millimeters;Arranging water input 34 bottom it to be connected with hot water inlet pipe, top is provided with vapour outlet 33, and described vapour outlet 33 installs safety valve. Internal layer is installed in the described cavity of outer 37. Described hollow cylinder inner side-wall arranges minimum three pieces of spirrillum flow deflectors extended along hollow cylinder sidewall, forms water conservancy diversion canal, make water residence time in hollow cylinder long, and contact area is big, it is to increase steam production between described flow deflector. The processing parameter of described vapour generator is produce heat for described diesel emission waste heat specially to arrange, and has cost-saving, and meets the advantage required.

Gas exhaust duct between described Diesel Engine Exhaust Pipe and heat-condutive oil heat exchanger is provided with the 2nd variable valve, for regulating the amount of the discharge flue gas of importing, to regulate can operating of whole system with optimum regime. Described Diesel Engine Exhaust Pipe top is provided with the first variable valve, carries out heat exchange for intercepting discharge flue gas input heat-condutive oil heat exchanger.

Described heat-condutive oil heat exchanger is as shown in Figure 5 and Figure 6, comprise Heat Room 47, it is arranged on the high-temperature flue gas room 41 of described Heat Room side, it is arranged on the low-temperature flue gas room 42 of described another side of Heat Room 47, the entrance of the flue gas flow path of described interchanger is arranged on the end wall of described high-temperature flue gas room 41, the outlet of the flue gas flow path of described interchanger is arranged on the end wall of described low-temperature flue gas room 42, the heat conduction influx 44 of described interchanger is arranged on described Heat Room on the sidewall of one end, described low-temperature flue gas room 42, the thermal oil outlet 43 of described interchanger is arranged on described Heat Room on the sidewall of one end, described high-temperature flue gas room 41. make thermal oil and high-temperature flue gas form counterflow heat exchange, further increase the transfer efficiency of heat. described Heat Room 47 comprises some the corrugated tubes 46 being arranged in parallel, and flue gas flows into described low-temperature flue gas room 42 from described high-temperature flue gas room 41 through described corrugated tube 46, and thermal oil is at the outside of described corrugated tube 46 and the flue gas heat exchange flowing through described corrugated tube. described corrugated tube 46 is placed with some at described Heat Room 47, multiple described corrugated tube 46 is as the heat exchange interface of flue gas and thermal oil, it is to increase the contact area of heat exchange, thus improves the transfer efficiency of flue gas heat. some fins are set at described corrugated tube 46 outer side wall, for effectively improving the contact area of heat exchange, the decrease in flow rate of thermal oil can be made, it is to increase heat exchange effect simultaneously. described fin can be spirrillum be fixed on described corrugated tube 46 outside surface. described Heat Room 47 also comprises at least one for changing thermal oil flow direction to extend the baffle plate 45 of heat-exchange time. described baffle plate 45 extends from a sidewall of described Heat Room 47 to another sidewall, and and distance between another sidewall be more than or equal to 2 times of calibers of described corrugated tube, it is possible to reach maximum heat exchange effect, effectively utilize fume afterheat. high-temperature flue gas from described exhaust duct of diesel engine flows into the entrance of the flue gas flow path of described interchanger 47, thermal oil from oil pump flows into the thermal oil entrance 44 of described interchanger, after flue gas and thermal oil heat exchange, low-temperature flue gas flows into described water heater from the outlet of the flue gas flow path of described interchanger by pipeline, and the thermal oil after intensification flows into the hot fuel tank of storage from the thermal oil outlet 43 of described interchanger by pipeline. most of heat recuperation in flue gas is used for heating thermal oil by interchanger, so just greatly improves the utilization ratio of diesel engine exhaust waste heat.

Described water heater structure and heat-condutive oil heat exchanger are similar, it comprises Heat Room, it is arranged on the high-temperature flue gas room of described Heat Room side, it is arranged on the low-temperature flue gas room of described another side of Heat Room, the entrance of the flue gas flow path of described interchanger is arranged on the end wall of described high-temperature flue gas room, the outlet of the flue gas flow path of described interchanger is arranged on the end wall of described low-temperature flue gas room, the entrance on the current road of described interchanger is arranged on described Heat Room on the sidewall of one end, described low-temperature flue gas room, the outlet on the current road of described interchanger arranges Heat Room described in this on the sidewall of one end, described high-temperature flue gas room.Water and high-temperature flue gas form counterflow heat exchange, further increase the transfer efficiency of heat. Described Heat Room comprises some the three-dimensional rifled tubes being arranged in parallel, and flue gas flows into described low-temperature flue gas room from described high-temperature flue gas room through described three-dimensional rifled tube, and water is at the outside of described three-dimensional rifled tube and the flue gas heat exchange flowing through internally finned tube. Multiple three-dimensional internal-rib pipe is as the heat exchange interface of flue gas and water, it is to increase the contact area of heat exchange, thus improves the transfer efficiency of flue gas heat. The Heat Room of described water-to-water heat exchanger comprises at least one for changing water flow direction to extend the baffle plate of heat-exchange time, described baffle plate extends from a sidewall of described Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 times of calibers of described three-dimensional internal-rib pipe pipe. The high-temperature flue gas that diesel engine of the present invention is discharged enters water heater entered heat-condutive oil heat exchanger and thermal oil heat exchange by connecting tube after, heat entrained by flue gas is only absorbed by the water further, finally enter chimney, it is achieved that a large amount of waste heat recoveries, reach energy-efficient object. Heat-condutive oil heat exchanger passes out to the hot fuel tank of storage after thermal oil is heated to 170 DEG C from 150 DEG C, then squeezes into vaporizer by oil pump. Cold water absorbs in water heater after flue gas heat is warmed up to 130 DEG C and enters vaporizer, with can produce after thermal oil septate heat transfer 4 kg of vapor give user use.

Embodiment 2

As shown in Figure 2, described Diesel Engine Exhaust Pipe arranges extraction pipe and is connected with power generation assembly 1, quote high temperature air in described Diesel Engine Exhaust Pipe and generate electricity; Described power generation assembly discharge flue gas imports in described Diesel Engine Exhaust Pipe. The electric energy that described power generation assembly produces may be used for illumination etc. In order to improve vapour generator working efficiency, arranging nichrome wire in the hollow cylinder of the layer structure of described vapour generator, described nichrome wire is connected by electric wire with power generation assembly. By nichrome wire, the water in described hollow cylinder can be carried out boosting, it is to increase steam generation efficiency, simultaneously can also the waste heat of Diesel Engine Exhaust Pipe described in better utilised.

Below the preferred embodiment of the present invention is described in detail, it will be appreciated that the ordinary skill of this area just can make many modifications and variations according to the design of the present invention without the need to creative work. Therefore, all technician in the art according to present inventive concept on prior art basis by logic analysis, reasoning or the technical scheme that can obtain according to limited experiment, all should by among the determined protection domain of this claim book.

Claims (9)

1. an efficient waste heat recycling system, it is characterized in that: comprise waste-heat recovery device and residual heat using device, described waste-heat recovery device comprises heat-condutive oil heat exchanger, store up hot fuel tank and vapour generator, the side of described heat-condutive oil heat exchanger is connected with Diesel Engine Exhaust Pipe and communicates, another side of described heat-condutive oil heat exchanger is fume emission mouth, the thermal oil outlet of described heat-condutive oil heat exchanger is connected with the hot fuel tank of described storage by transition pipeline, the hot fuel tank of described storage is connected with the thermal source input aperture of vapour generator by transition pipeline, the thermal source delivery port of described vapour generator is connected with the thermal oil entrance of described heat-condutive oil heat exchanger by transition pipeline, form thermal oil circulating heat exchanging pipe system, described residual heat using device comprises water heater, described water heater one end is connected with described fume emission mouth, the other end is connected with fume emission chimney, the water-in of described water heater is connected with water pump by hydraulic pipe, the water outlet of described water heater is connected with the water input of vapour generator by hydraulic pipe, and steam is exported by the vapour outlet of described vapour generator,Described vapour generator is bilayer structure, and its internal layer arranges the thermal oil entrance being connected with thermal oil transition pipeline and thermal oil outlet, and the skin being wrapped in described internal layer is provided with the water input and vapour outlet that are connected with hydraulic pipe; Described endothecium structure is made up of 8 straight pipes of upper and lower two ring-shaped round pipe and connection two described ring-shaped round pipe, the ring-shaped round pipe of bottom arranges thermal oil entrance and is connected with heat conductive oil inlet pipe, and the ring-shaped round pipe on top arranges thermal oil outlet and is connected with thermal oil outlet pipe; Minimum three pieces of spirrillum flow deflectors extended along hollow cylinder sidewall are set at described outer sidewall, between described flow deflector, form water conservancy diversion canal; The hot fuel tank of described storage arranges vapor pipe or pressure release valve.
2. a kind of efficient waste heat recycling system as claimed in claim 1, it is characterised in that: the gas exhaust duct between Diesel Engine Exhaust Pipe and heat-condutive oil heat exchanger is provided with the 2nd variable valve; Described Diesel Engine Exhaust Pipe top is provided with the first variable valve, carries out heat exchange for intercepting discharge flue gas input heat-condutive oil heat exchanger.
3. a kind of efficient waste heat recycling system as claimed in claim 1, it is characterized in that: described heat-condutive oil heat exchanger comprises Heat Room, it is arranged on the high-temperature flue gas room of described Heat Room side and it is arranged on the low-temperature flue gas room of described another side of Heat Room, the entrance of the flue gas flow path of described heat-condutive oil heat exchanger is arranged on the end wall of described high-temperature flue gas room, the outlet of the flue gas flow path of described heat-condutive oil heat exchanger is arranged on the end wall of described low-temperature flue gas room, the thermal oil entrance of described heat-condutive oil heat exchanger is arranged on described Heat Room on the sidewall of one end, described low-temperature flue gas room, the thermal oil outlet of described heat-condutive oil heat exchanger is arranged on described Heat Room on the sidewall of one end, described high-temperature flue gas room.
4. a kind of efficient waste heat recycling system as claimed in claim 3, it is characterised in that: described Heat Room comprises some the corrugated tubes being arranged in parallel, and arranges some fins at described corrugated tube outer side wall.
5. a kind of efficient waste heat recycling system as claimed in claim 4, it is characterised in that: described Heat Room also comprises at least one for changing thermal oil flow direction to extend the baffle plate of heat-exchange time.
6. a kind of efficient waste heat recycling system as claimed in claim 5, it is characterized in that: described baffle plate extends from a sidewall of described Heat Room to another sidewall, and and the distance between another sidewall is more than or equal to 2 times of calibers of described corrugated tube, maximum heat exchange effect can be reached, effectively utilize fume afterheat.
7. a kind of efficient waste heat recycling system as claimed in claim 1, it is characterized in that: described water heater comprises Heat Room, it is arranged on the high-temperature flue gas room of described Heat Room side, it is arranged on the low-temperature flue gas room of described another side of Heat Room, the entrance of the flue gas flow path of described water heater is arranged on the end wall of described high-temperature flue gas room, the outlet of the flue gas flow path of described water heater is arranged on the end wall of described low-temperature flue gas room, the entrance on the current road of described water heater is arranged on described Heat Room on the sidewall of one end, described low-temperature flue gas room, the outlet on the current road of described water heater is arranged on described Heat Room on the sidewall of one end, described high-temperature flue gas room.
8. a kind of efficient waste heat recycling system as claimed in claim 7, it is characterized in that: described Heat Room comprises some the three-dimensional rifled tubes being arranged in parallel, flue gas flows into described low-temperature flue gas room from described high-temperature flue gas room through described three-dimensional rifled tube, and water is at the outside of described three-dimensional rifled tube and the flue gas heat exchange flowing through described three-dimensional rifled tube.
9. a kind of efficient waste heat recycling system as claimed in claim 8, it is characterized in that: the Heat Room of described water heater comprises at least one for changing water flow direction to extend the baffle plate of heat-exchange time, described baffle plate extends from a sidewall of described Heat Room to another sidewall, and and distance between another sidewall be more than or equal to 2 times of calibers of described three-dimensional rifled tube.
CN201410225234.6A 2014-05-26 2014-05-26 A kind of efficient waste heat recycling system CN104033271B (en)

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CN104848706A (en) * 2014-11-20 2015-08-19 铜陵有色金属集团股份有限公司金冠铜业分公司 Waste heat recovery device for acid making flue gas
CN108278777A (en) * 2017-12-28 2018-07-13 东莞市上为实业有限公司 Heating plant for composite plate laminating machine
CN109084592A (en) * 2018-08-06 2018-12-25 安徽省华鑫铅业集团有限公司 It regenerates lead plaster smelting furnace circulation of tail gas and utilizes system

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