CN87214369U

CN87214369U - Energy-saving and exhaust-gas-purifying device for engines

Info

Publication number: CN87214369U
Application number: CN 87214369
Authority: CN
Inventors: 王宝田; 刘青; 吴祈康
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-10-16
Filing date: 1987-10-16
Publication date: 1988-08-10

Abstract

The utility model is energy-saving and exhaust-gas-purifying device for gasoline engines, which comprises an energy-saving purifying device with a double-wall structure, a mixer and an air conditioning device. The utility model obtains the energy-saving effect by utilizing inputting the preheated air into the gas mixture, and achieves the goal of purifying the exhaust gas by inputting air into the air inlet pipe of a silencer to make the exhaust gas combust again. The bench test proves that when the device is used, the CO content in the engine exhaust gas decreases over 52%, the CH content decreases over 48% and the average rate of economizing gasoline is over 15%.

Description

Energy-saving and exhaust-gas-purifying device for engines

The utility model relates to the energy-conservation and exhaust gas cleaner of a kind of petrol engine, and it belongs to technical field of engines.

Engine energy-saving and minimizing exhaust emission pollution are the problems that people generally are concerned about.As Jiefang brand automobile CA 10dc h type engine h, its Preheating unit is that effect is the evaporation that promotes mixed gas intermediate fuel oil particle, prevents that oil gas from condensing at the air inlet tube wall, and is energy-conservation not obvious the air inlet and exhaust piper casting together.About tail gas clean-up, " automobile construction " first volume (version in 1975,150 pages) that Jilin University of Science and Technology compiles has such record: utilize in the outlet pipe combustion method purifying exhaust gas again, concrete scheme has the air jet method, is about to air and blows near the exhaust valve.

The purpose of this utility model is to improve the petrol engine energy saving, reduces public hazards, reduces the discharge capacity of harmful gas, even the motor energy saving reduces public hazards.

The purpose of this utility model is achieved in that in mixed gas the air of input through the tail gas heating, enters work done in the engine cylinder after it is mixed once more.Atomize like this, sufficient combustion is saved fuel oil.Input air in the silencing apparatus suction tude utilizes tail gas high temperature, and oxious component carbon monoxide (CO), hydrocarbon (CH) in the tail gas are burnt once again, discharges output to reduce it.Concrete measure is: increase the energy-saving purifier of a double-wall structure at the connecting end of silencing apparatus suction tude and outlet pipe, its outer wall is the part of silencing apparatus suction tude outer wall, and inwall is the trunnion shape.One inlet hole is arranged, an air outlet hole on the outer wall.Inlet hole communicates with air-regulating valve by the road, and air-regulating valve is by control of Throttle Opening Control pull bar and oil supply synchronization regulation.Air outlet hole communicates with placing the mixer between Carburetor and suction tude by the road.Other has a pipeline, and the double-walled that a termination one-way valve, the other end pass energy-saving purifier communicates with the purifier chamber.Like this, portion of air is heated in additional air-strainer, air-regulating valve, a pipeline enter the double-walled of energy-saving purifier, advance the annular porous air flue of mixer afterwards through air outlet hole, pipeline, and spray through porous, after mixed gas mixes once more, enter work done in the engine cylinder.In the tail gas clean-up process, the importing of air is carried out according to fluid mechanics principle, and when promptly fluid flowed in pipeline, if pipeline sectional area difference everywhere, then the flow velocity of fluid through everywhere the time was also different with static pressure.The cross section is more little, and its flow velocity is big more, and static pressure is low more.According to this reason, greater than the air velocity in the atmosphere, and pressure is less than barometric pressure at the flow velocity of trunnion throat for tail gas.So air can be opened one-way valve, enter the purifier chamber by the road, and contact mixing with high-temperature tail gas, unburned gas is burnt once again, thereby reduce the discharge capacity of CO, CH.

Engine energy-saving provided by the utility model and exhaust gas cleaner have significantly energy-conservation and purifying effect.After introducing this device as Jiefang brand automobile CA-10C motor, through stand test with measure proof, CO content reduces more than 52%, and CH content reduces more than 48%, and on average fuel saving ratio is more than 15%.This apparatus structure is simple, and cost is limited.

Below in conjunction with accompanying drawing the utility model is described further.

Accompanying drawing is a working principle schematic representation of the present utility model.

With reference to accompanying drawing, a kind of energy-saving purifier 8 of double-wall structure is positioned at the inlet end of silencing apparatus suction tude 7, is connected with outlet pipe 26 with fastening piece 11.Form heating chamber 6 between double-walled, the inner chamber of inwall 9 is the purifier chamber, and it is the trunnion shape.Outer wall has an inlet hole 10, one air outlet holes 5, and inlet hole 10 27 is connected with the air conditioning sense valve of air bells conditioner 15 by the road.Air outlet hole 54 communicates with the annular porous air flue 3 of mixer 1 by the road.The double-walled that pipeline 16 1 termination one-way valves 14, one ends pass energy-saving purifier 8 communicates with the purifier chamber.Motor uses the energy-conservation process of this device to be: air enters the air chamber 22 of air-regulating valve through air-strainer 23, portion of air by normal open pay air flue 25, pipeline 27 enters hotair chamber 6.Air passageways when paying air flue 25 and be motor and being in idling, the auxiliary port when also being engine operation.

Main airway hole

20,21 is corresponding with the

hole

17,18 on the mitre velve, and during engine operation, the switching of main airway and the air quantity size of passing through reach and the fuel feeding synchronization regulation by Throttle Opening Control pull bar 24 control valve rods 19.Air is when hotair chamber 6, heated by high-temperature tail gas, and 4 annular porous air flues 3 that enter mixer 1 by the road, be ejected in the air inlet deferent 2 through a plurality of apertures, mix once more with oil, gas mixed gas herein, enter work done in the engine cylinder then through air-strainer 28, Carburetor 29.Atomize sufficient combustion, fuel-economizing like this.The tail gas clean-up process is: air is entered by

pore

12,13, and through one-way valve 14, pipeline 16, the double-walled that passes energy-saving purifier 8 communicates with the purifier chamber, and it is imported in the negative pressure that this place forms by means of tail gas.The air that is imported into mixes with high-temperature tail gas, and CO, CH in the tail gas are burnt once again, to reach the purpose that reduces the harmful gas discharge capacity.In addition, in order to make compact structure, one-way valve and air-regulating valve are made one, promptly air bells conditioner 15.

The motor trade mark, power difference, the hole count and the aperture of the annular porous air flue of employed mixer are also inequality, are 4-24 as the air flue hole count of the employed mixer of Jiefang brand automobile ACA-10C h type engine h, and the aperture is by φ 1 to φ 2.

Claims

1, energy-conservation and the exhaust gas cleaner of a kind of petrol engine, comprising air-strainer, Carburetor, suction tude, outlet pipe, the silencing apparatus suction tude, it is characterized in that said silencing apparatus suction tude has the energy-saving purifier of a double-wall structure at the connecting end with outlet pipe, its outer wall promptly is a silencing apparatus suction tude tube wall, inwall becomes the trunnion shape, having an end of a pipeline that communicates with one-way valve to pass double-walled communicates with purifier, outer wall has an inlet hole that communicates with air-regulating valve and an air outlet hole that communicates with mixer, an air outlet hole that communicates with mixer, said mixer are the mixers with annular porous air flue between Carburetor and suction tude.

2, energy-conservation and exhaust gas cleaner according to claim 1, it is characterized in that said air-regulating valve have a normal open gas circuit and one by accelerator rod control with the air conditioning gas circuit oil supply synchronization regulation.

3, energy-conservation and exhaust gas cleaner according to claim 1, the hole count that it is characterized in that the annular porous air flue of said mixer with annular porous air flue is 6-24, the aperture is φ 1-φ 2.