CN201133296Y

CN201133296Y - Internal-combustion engines air exhaust residual heat thermal device

Info

Publication number: CN201133296Y
Application number: CNU2007200778634U
Authority: CN
Inventors: 施国梁
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-31
Filing date: 2007-12-31
Publication date: 2008-10-15
Anticipated expiration: 2017-12-31

Abstract

An internal combustion engine exhaust thermal device consists of an internal combustion engine exhaust pipe and a thermal device. The thermal device converts the outside thermal energy into mechanical energy or pumps the outside thermal energy, which is characterized by comprising a steam generator which is connected with an exhaust pipe low thermal resistor or comprising the steam generator which is made by the exhaust pipe wholly. The utility model has the beneficial effects that a passive pumping apparatus is used, and the electric pumping apparatus which can cause leakage is not used any longer; a seamless casing provides the condition for the thermal device to keep vacuum for a long time and keep high working efficiency; the equipment of a small or miniature thermal device uses the residual heat of the tail gas of the internal combustion engine to work, which not only reduces the investment greatly and improves the working efficiency, the effective output and the reliability, but also has the required economical efficiency and maneuverability for popularization and application.

Description

Thermal engineering apparatus for exhaust heat of internal combustion engine

Affiliated technical field

The utility model relates to thermal engineering apparatus for exhaust heat of internal combustion engine.

Background technique

The contained energy of I. C. engine exhaust accounts for 30～40% of fuel energy, and is suitable with the output power of internal-combustion engine.This part energy also had the very big space that utilizes.In thermal apparatus, steam generator utilizes first thermal source to make the working medium gasification produce high pressure; Condensation chamber utilizes second thermal source to make the exhaust steam condensation after the acting and low pressure is provided; Energy transducer utilizes the pressure difference acting; The condensation worker quality liquid that the feeding device will come together in liquid collecting room is pumped into steam generator and enters next round gasification, acting and condensation thermal technology circulation.The efficient of feeding device is lower usually, worker quality liquid is advanced anticyclonic steam generator from the pumping of hypobaric liquid collecting room will consume many energy.Particularly small-sized solar energy or UTILIZATION OF VESIDUAL HEAT IN thermal apparatus, original efficient is just low, and the feeding device also will account for quite a few.

Summary of the invention

The purpose of this utility model is that the I. C. engine exhaust thermal apparatus will be provided.

The technical scheme in the invention for solving the technical problem is: form an I. C. engine exhaust thermal apparatus by internal-combustion engine vent-pipe and thermal apparatus, thermal apparatus is converted into mechanical energy to environment's heat or realizes the pumping of heat energy to external world, it is characterized in that containing the steam generator that is connected with the outlet pipe low thermal resistance; Perhaps contain steam generator with the integrated making of outlet pipe.

As everyone knows: reduce the steam generator of thermal apparatus and the thermal resistance between the internal-combustion engine vent-pipe, effective method is steam generator and the integrated making of outlet pipe with thermal apparatus.Because heat-transfer capability is directly proportional with heat transfer area, further reduce the method that thermal resistance can adopt increases heat transfer area again.Except the diameter and length of simple increase outlet pipe or steam generator, other method that increases heat transfer area also comprises: method one, employing have the heat sink or the integrated heat sink of one dimension or bidimensional convex-concave surface; Method two, the heat sink of residual heat using device or integrated heat sink stretched into comprise independent built-in heat exchange in the exhaust duct, perhaps adopt exhaust wall heat exchange+built-in heat exchange dual mode simultaneously.Said method one and method two also can be used in combination.

With steam generator, thermal technology's energy transducer, condensation chamber, one or morely form an exhaust heat of internal combustion engine utilized device with controlled intermediate bin that is communicated with of steam generator and enclosing housing.Can conduct heat by container wall to refrigeration plant, can be to motor by magnetic force across the container wall transmitted power.For working fluid delivery device then can adopt one with intermediate bin connect liquid collecting room and steam generator in turn, allow working medium flow to intermediate bin and flow to steam generator again from liquid collecting room.Can not flow automatically as working medium, adopt high position liquid cabin to be communicated with liquid collecting room and to be communicated with intermediate bin is controlled; Provide negative pressure that the working medium in the liquid collecting room is sucked high position liquid cabin with sparger to high position liquid cabin again; Perhaps the top with high position liquid cabin is connected with a low-temperature receiver low thermal resistance, and the low-steam pressure that utilizes low-temperature receiver to form at the high position liquid cabin top sucks high position liquid cabin with the working medium in the liquid collecting room; Or liquid collecting room is set below condensation chamber and makes the controlled connection of condensation chamber liquid collecting room, a heat exchange interface is set at the top of liquid collecting room again, by heat exchange interface the liquid collecting room top is added the thermosetting high-vapor-pressure working medium is pressed into high position liquid cabin, make intermediate bin connect high position liquid cabin and steam generator in turn again, allow working medium flow to intermediate bin and flow to steam generator again from high position liquid cabin.

The beneficial effects of the utility model comprise: by adopting passive pumping device, no longer not having seam with electronic pumping device, the housing that might cause leakage is that thermal apparatus keeps degree of vacuum to keep efficient operation to create condition for a long time, make the equipment of the small-sized or miniature thermal apparatus that utilizes using waste heat from tail gas of internal combustion engine work not only invest reduction significantly, working efficiency, effectively output and reliability improve, and have and apply needed Economy and operability.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 and Fig. 2 are two embodiments' of the utility model exhaust heat of internal combustion engine utilized device structural representations.

1. steam generators among the figure, 2. sparger, 3. condensation chamber, 4. enclosing housing, 5. vaporization chamber, 6. intermediate bin, 7. negative pressure pipe, 8. vacuum heat-insulating layer, 9. heat exchanger, the valve that 10. delivers from godown, 11. warehouse entry valves, 12. liquid elevating valves, 13. waste heat motors.

Embodiment

In Fig. 1, with the steam generator 1 of the integrated manufacturing of internal-combustion engine vent-pipe of built-in catalysis material, sparger 2, form a horizontal engine exhaustion exhaust heat refrigeration apparatus with the integrally manufactured enclosing housing 4 of chuck condensation chamber 3, the vaporization chamber 5 and the intermediate bin 6 of double as high position liquid cabin.The negative pressure pipe 7 of sparger 2 is communicated with condensation chamber 3 to both sides.Steam generator 1 is placed among the enclosing housing 4; Contain vacuum heat-insulating layer 8 between condensation chamber 3 and the steam generator 1.Vacuum heat-insulating layer 8 helps to reduce the heat waste and the more colds of output of steam generator 1.Steam generator 1 except with the integrated making of internal-combustion engine vent-pipe, also can adopt other low thermal resistance Placement.

Working principle embodiment illustrated in fig. 1 is: exhaust heat-energy makes the gasification of steam generator 1 working medium, and steam makes the negative pressure pipe 7 interior negative pressure that form of sparger 2.Entering condensation chamber 3 from the exhaust steam of sparger 2 ejection condenses and comes together in condensation chamber 3 bottom liquid collecting room.Working medium in the condensation chamber 3 is sucked vaporization chamber 5 by negative pressure and vapourizing temperature descends, and cold is by heat exchanger 9 outputs.Fluid infusion process embodiment illustrated in fig. 1 is: delivering from godown by the control system order, valve 10 cuts out, warehouse entry valve 11 is opened, and the working medium in the vaporization chamber 5 enters intermediate bin 6.Along with liquid levels in the intermediate bin 6 raise, close the liquid elevating valves 12 that warehouse entry valve 11 delivers from godown in valve 10 and the vaporization chamber 5 simultaneously and open.The valve 10 that delivers from godown is opened the steam that makes in the steam generator 1 and is entered intermediate bin 6 and make temperature rising in the intermediate bin 6, and the working medium in the intermediate bin 6 enter steam generator 1 simultaneously.Liquid elevating valve 12 in the vaporization chamber 5 is opened the working medium that then makes in the condensation chamber 3 and is entered vaporization chamber 5.Thus, enter the fluid infusion circulation of next round.

Vaporization chamber 5 double as high-level containers can cause some energy losses, can separate or take heat insulation measures when needing.

In Fig. 2, with the steam generator 1 of the integrated manufacturing of internal-combustion engine vent-pipe of built-in catalysis material, form a vertical exhaust heat of internal combustion engine generator set with the waste heat motor 13 of integrally manufactured enclosing housing 4, intermediate bin 6 and the band generator loading of chuck condensation chamber 3.Steam generator 1 and waste heat motor 13 all are placed among the enclosing housing 3; Contain vacuum heat-insulating layer 8 between condensation chamber 3 and the steam generator 1.Steam generator 1 produces steam and makes 13 actings of waste heat motor and produce electric energy output.Enter condensation chamber 3 from the exhaust steam of waste heat motor 13 ejection and condense into the liquid trap that liquid comes together in the bottom.Working medium flows to the gravity flow condition that intermediate bin 6 flows to steam generator 1 again from condensation chamber bottom liquid collecting room and satisfies.

Fluid infusion process embodiment illustrated in fig. 2 is: delivering from godown by the control system order, valve 10 cuts out, warehouse entry valve 11 is opened, and the working medium in the condensation chamber 3 bottom liquid traps enters intermediate bin 6 by warehouse entry valve 11.Along with liquid levels in the intermediate bin 6 raise, close warehouse entry valve 11 valve 10 that delivers from godown simultaneously and open.Steam in the steam generator 1 enters intermediate bin 6 and makes temperature rising in the intermediate bin 6, and the working medium in the intermediate bin 6 enter steam generator 1 simultaneously.Intact Deng flow of liquid in the intermediate bin 6, order is delivered from godown, and valve 10 cuts out, warehouse entry valve 11 is opened, and the working medium in the condensation chamber 3 bottom liquid traps enters intermediate bin 6 by warehouse entry valve 11 ... go round and begin again in this way and carry out fluid infusion, keep heat power engineering system and normally move.

Utilize the isobaric fluid infusion exhaust heat motor of the utility model manufacturing that 10% of exhaust energy is converted into electric energy,, approximately can obtain the electric power of 7.35kw more for the diesel engine of 100 horsepowers of output powers.To work every year 3000 hours, can obtain cogeneration 2.2 ten thousand degree.

The refrigeration air-conditioner that car uses on average accounts for 15% of engine power.Utilize the utility model to make isobaric fluid infusion using waste heat from tail gas refrigeration air-conditioner, but to use 240 liters of refrigeration air-conditioner fuel-economizings in 400 hours every year.For 1100 liters of possible fuel-economizings in summer of taxi.And this refrigeration air-conditioner has only utilized the energy of exhaust 20%.All these do not influence the power performance of car substantially.

Claims

1. thermal engineering apparatus for exhaust heat of internal combustion engine is made up of internal-combustion engine vent-pipe and thermal apparatus, and thermal apparatus is converted into mechanical energy to environment's heat or realizes the pumping of heat energy to external world, it is characterized in that containing the steam generator that is connected with the outlet pipe low thermal resistance; Perhaps contain steam generator with the integrated making of outlet pipe.

2. device according to claim 1 is characterized in that containing the steam generator with convex-concave surface or contains the steam generator that stretches in the exhaust duct.

3. device according to claim 1 and 2 is characterized in that containing one by steam generator, thermal technology's energy transducer, one or more totally-enclosed thermal apparatus of forming with controlled intermediate bin that is communicated with of steam generator and condensation chamber.

4. according to claim 1 or 2 or 3 described devices, it is characterized in that containing an enclosing housing integrally manufactured with the chuck condensation chamber; Steam generator is placed among this enclosing housing; Contain vacuum heat-insulating layer between condensation chamber and the steam generator.

5. according to claim 1 or 2 or 3 described devices, it is characterized in that containing one with the controlled high position liquid cabin that is communicated with of intermediate bin, high position liquid cabin is communicated with condensation chamber bottom liquid collecting room by pumping pipe.

6. according to claim 1 or 2 or 3 described devices, it is characterized in that high position liquid cabin passes through negative pressure Guan Yuyi sparger and be communicated with; Perhaps the top of high position liquid cabin is connected with a low-temperature receiver low thermal resistance.

7. according to claim 1 or 2 or 3 described devices, it is characterized in that containing one with the controlled liquid collecting room that is communicated with of condensation chamber, contain a heat exchange interface at the top of liquid collecting room.