CN201080851Y

CN201080851Y - Back heating engine

Info

Publication number: CN201080851Y
Application number: CNU2007201072267U
Authority: CN
Inventors: 田家铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-12
Filing date: 2007-03-12
Publication date: 2008-07-02
Anticipated expiration: 2017-03-12

Abstract

The utility model relates to a recuperative engine, which mainly comprises a gas inlet device, a combustion chamber, and a power conversion device. The utility model is characterized in that: the gas inlet device comprises at least a turbocharger and a gas pump that are connected by gas channel, the outlet of the gas pump is connected with the combustion chamber through heat exchanger, at least one gas channel in the combustion chamber is communicated with the gas motor of the power conversion device, the outlet of the gas motor is communicated with the heat exchanger; the gas pump is communicated with the combustion chamber through the heat exchanger, the tail gas outlet of the combustion chamber is communicated with the gas motor. A spark plug, a petroleum and/or diesel oil nozzle and a jet adjusting device, and a combustion chamber pressure adjusting device are arranged in the combustion chamber, the gas pump can also pass through the combustion chamber via the heat exchanger and a gas channel, and then directly is communicated with the gas motor, the combustion chamber is specially provided with an air inlet. A spark plug, a petroleum and/or diesel oil nozzle and a jet adjusting device, and a combustion chamber pressure adjusting device are arranged in the combustion chamber. The utility model has the advantages of simple and reasonable structure, convenient use, reliability and safety, large power, high efficiency and energy saving.

Description

Regenerative engine

Technical field

The utility model relates to a kind of tail gas heat quantity can the recovery, belong to a kind of power plant to improve the regenerative engine that energy utilizes effect.

Background technique

In the prior art, belong to a kind of very mature technique as motor car engine, mainly comprise air inlet system, the firing chamber, and the output of power etc., spark plug is installed, the nozzle of fuel etc. in the firing chamber, air feeds the back and mixes also ignition combustion heating acting with fuel, outputs power through power switching device.The engine efficiency of said structure is generally very limited, is subjected to the integrally-built restriction of motor, and a large amount of exhaust emissionss cause the loss of heat.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned existence, and provides a kind of air inflow that can make to increase greatly, and high-power, the high efficiency regenerative engine that can recovery waste heat do work.

The purpose of this utility model is finished by following technical solution, it is mainly by air inlet system, the firing chamber, power switching device constitutes, it is characterized in that air inlet system comprises that at least a turbosupercharger and air pump are with the air flue formation that links to each other, the outlet of air pump is connected in the firing chamber after being communicated with heat exchanger, at least one air-flow path of firing chamber is communicated on the gas motor that constitutes power switching device, is communicated on the heat exchanger from the outlet of gas motor.

Described air pump is communicated in the firing chamber through heat exchanger, and the tail gas outlet of firing chamber is communicated in the gas motor, spark plug, gasoline and/or diesel fuel nozzle is installed in the described firing chamber and sprays controlling device, chamber pressure controlling device.

Rotor in the described gas motor is provided with radiation hole, also is provided with solid powder feeder and gas throttling valve block in the firing chamber.

After an air flue directly is communicated with the gas motor after passing the firing chamber, the firing chamber is ad hoc an air inlet to described air pump, spark plug, gasoline and/or diesel fuel nozzle is installed in the firing chamber and sprays controlling device, chamber pressure controlling device through heat exchanger.

The gentle motor of described air pump is made of a double-acting vane pump, and this double-acting vane pump includes the cool air suction port at least and is communicated in the tail gas relief opening of heat exchanger.

Described double-acting vane pump is made of stator, rotor, blade and spring, and at least four blade pass are crossed spring and radially are placed on the rotor, and axially are provided with radiation hole on blade.

Described air pump or gas motor are a kind of in Roots pump, vane pump, reciprocating air pump, the gear pump.

The utility model is by air pump air to be pressed into firing chamber and fuel mix after-combustion, and promotes the acting of gas motor, and the tail gas of generation promotes turbosupercharger again, heat in the tail gas of turbosupercharger is reclaimed and be used for acting; Owing to adopt the compression of air pump continous way, make air inflow increase greatly, thereby add high-power; Again because of having adopted the recovery waste heat acting, so the utlity model has simple and reasonable for structurely, esy to use, safe and reliable, power is big, efficient height, characteristics such as energy-conservation.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is another example structure schematic representation of the present utility model.

Fig. 3 is a rotor circular structure schematic representation shown in Figure 2.

Embodiment

Below in conjunction with accompanying drawing the utility model is described in detail: the utility model is mainly by air inlet system, the firing chamber, and power switching device constitutes.Shown in Figure 1, described air inlet system comprises that at least a turbosupercharger (not shown) and air pump 1 are with the air flue formation that links to each other, the outlet of air pump 1 is connected in firing chamber 3 after being communicated with heat exchanger 2, at least one air-flow path of firing chamber 3 is communicated on the gas motor 4 that constitutes power switching device, is communicated on the heat exchanger 2 from the outlet of gas motor 4 again.

Described air pump 1 is communicated in firing chamber 3 through heat exchanger 2, and the tail gas outlet of firing chamber 3 is communicated in gas motor 4, spark plug 5, gasoline and/or diesel fuel nozzle 6 is installed in the described firing chamber 3 and sprays controlling device 7, chamber pressure controlling device 8.

Rotor 9 in the described gas motor 4 is provided with radiation hole 10, also is provided with solid powder feeder 11 and gas throttling valve block 12 in firing chamber 3.Above-described turbosupercharger effect is that air is carried out primary pressure; The effect of air pump 1 is that air finally is pressed into the firing chamber; The effect of firing chamber 3 provides the burning situation of a high temperature; The effect of petrol jet is an injected petrol; The effect of diesel fuel nozzle is to spray diesel oil and kerosene etc.; The effect of spark plug 5 is to start time point fuel vapor mixture; Solid powder feeder 11 is the reciprocating type feeder of plunger, has hopper on the plunger, places the fuel powder in the groove, brings firing chamber 3 into by the material powder that the plunger to-and-fro motion is outer with fuel chambers, will expect that by pressurized air powder blows into the middle part, firing chamber and burns again; The effect of gas throttling valve block 12 is that the barometric minimum to the firing chamber carries out restricted adjusting, so that allow diesel oil burn under convenient pressure; The effect of gas motor 4 is that the Conversion of energy with gas is a rotating power, and the effect of radiation hole is in recovery waste heat rotor to be cooled off on the rotor 9; The effect of heat exchanger 2 is recovery of carrying out waste heat.

Heat recovery mode described in the utility model comprises that gas reclaims and water reclaims two-part composition, because heat is to propagate from bottom to top than comparatively fast, this heat exchanger 2 presents different temperatures section from high to low from top to bottom, upper water is seethed with excitement, and the water temperature of bottom is also very low, is more conducive to the recovery of heat like this; The method that realizes is: the one, high-temperature tail gas from up to down to be arranged, and absorb heat with air in top, the heat absorption of bottom water; The 2nd, coat thermal-protective material in the inwall or the outside of heat exchanger 2; The 3rd, between heat dissipating pipe layer and layer, separate with the hot spacer that has several holes.

The utility model can also utilize water vapor to do work, and the water vapor that produces in radiator mixes with high-temperature fuel gas in gas motor 4 ingress, and such benefit is to reduce the high temperature injury of high-temperature gas to gas motor 4.Shown in Figure 1 is the interior regenerative engine structure that air pump 1 separates with gas motor 4.

The utility model can add hot chamber outside the cover after described worm wheel pressure booster, make it become inside and outside heat in the regenerative engine of one.

The utility model comprises internally heated type and two kinds of structural types of external heating, and its difference is the structure of firing chamber, and internally heated type is directly with air and fuel combustion acting; External heating then absorbs the heat acting of outer hot chamber; Its workflow is: internally heated type, and air---------------------the gas motor is discharged the rotor radiation hole air pump in the firing chamber in the heat exchanger heat absorption in the turbosupercharger compression by turbosupercharger---heat exchanger heat radiation---not level; External heating, air------------------the gas motor is discharged air pump in outer hot chamber heat absorption in the heat exchanger heat absorption in the turbosupercharger compression by turbosupercharger---heat exchanger heat radiation---not level.

Fig. 2 and shown in Figure 3, air pump described in the utility model directly is communicated with the gas motor through heat exchanger 2 after an air flue passes firing chamber 3, firing chamber 3 is ad hoc an air inlet 13, spark plug, gasoline and/or diesel fuel nozzle are installed in the firing chamber 3 and spray controlling device, chamber pressure controlling device etc., identical with aforesaid embodiment.

The gentle motor of described air pump is made of a double-acting vane pump 14, and this double-acting vane pump 14 includes cool air suction port 15 at least and is communicated in the tail gas relief opening 16 of heat exchanger 2.Described double-acting vane pump 14 is made of stator 17, rotor 18, blade 19 and spring 20, and at least four blades 19 radially are placed on the rotor 18 by spring 20, and axially are provided with radiation hole 21 on blade 19.More than shown in for air pump and gas motor are all the compatible engine structure of inside and outside heat of one, it can reach interior hot working or outdoor hot working by the switching of interior heat, outer thermoconverter.Its workflow is: air, and---turbosupercharger------------------acting of gas motor is discharged the cool air suction port in outer hot chamber heat absorption in the heat exchanger heat absorption in the air pump outlet by turbosupercharger---heat exchanger heat radiation---not level.Described rotor 18 is to be connected as a single entity by rotor outer ring 22 and support 23, and support is provided with vent 24, and also is provided with blade groove 25.The effect of described support is the compressive strength of reinforced blade, and the effect of vent is that several air chambers connections that supported body is separated are an air chamber.

Power distribution described in the utility model is: the power of oil pump, air pump, solid fuel feeder comes from the gas motor, and the power of worm wheel pressure booster comes from the tail gas of gas motor.Worm gear described in the utility model also can replace with turbine, but and multi-cascade usefulness, fuel can be used gasoline, diesel oil, kerosene, liquid gas or solid fuel.External heating backheat motor described in the utility model also can directly promote the gas motor with outer hot chamber heating water generates water vapour, no longer uses air pump this moment.

Described air pump or gas motor can be used a kind of replacement in Roots pump, vane pump, reciprocating air pump, the gear pump.

Claims

1. regenerative engine, it is mainly by air inlet system, the firing chamber, power switching device constitutes, it is characterized in that air inlet system comprises that at least a turbosupercharger and air pump (1) are with the air flue formation that links to each other, the outlet of air pump (1) is connected in firing chamber (3) after being communicated with heat exchanger (2), at least one air-flow path of firing chamber (3) is communicated on the gas motor (4) that constitutes power switching device, is communicated on the heat exchanger (2) from the outlet of gas motor (4).

2. regenerative engine according to claim 1, it is characterized in that described air pump (1) is communicated in firing chamber (3) through heat exchanger (2), the tail gas outlet of firing chamber (3) is communicated in gas motor (4), spark plug (5), gasoline and/or diesel fuel nozzle (6) is installed in described firing chamber (3) and sprays controlling device (7), chamber pressure controlling device (8).

3. regenerative engine according to claim 1 and 2 is characterized in that the rotor (9) in the described gas motor (4) is provided with radiation hole (10), also is provided with solid powder feeder (11) and gas throttling valve block (12) in firing chamber (3).

4. regenerative engine according to claim 1, it is characterized in that described air pump (1) through heat exchanger (2) after an air flue directly is communicated with gas motor (4) after passing firing chamber (3), firing chamber (3) is ad hoc an air inlet (13), spark plug (5), gasoline and/or diesel fuel nozzle (6) is installed in firing chamber (3) and sprays controlling device (7), chamber pressure controlling device (8).

5. regenerative engine according to claim 4, it is characterized in that the gentle motor of described air pump (1) (4) is made of a double-acting vane pump (14), this double-acting vane pump (14) includes cool air suction port (15) at least and is communicated in the tail gas relief opening (16) of heat exchanger (2).

6. regenerative engine according to claim 5, it is characterized in that described double-acting vane pump (14) is made of stator (17), rotor (18), blade (19) and spring (20), at least four blades (19) radially are placed on the rotor (18) by spring (20), and axially are provided with radiation hole (21) on blade (19).

7. according to claim 1,2,4 described regenerative engines, it is characterized in that a kind of in Roots pump, vane pump, reciprocating air pump, the gear pump of described air pump (1) or gas motor (4).