CN1217095C - Automatic rotary wall hole shearing type diesel oil emulsifier - Google Patents

Abstract

The invention discloses an automatic rotating wall hole shearing type diesel oil emulsifier. The oil-water inlet and the emulsified oil outlet are respectively arranged in the center holes of the two ends of the same central shaft. An emulsification cylinder that can automatically generate high-speed rotation is installed in the middle of the shaft through bearings. The bottom surface of the lower end cover of the emulsification cylinder is radially symmetrically arranged. There are two nozzles with opposite nozzles, and a number of extremely small through holes are evenly arranged on the outer wall of the emulsification cylinder. A certain proportion of oil and water enters the oil and water inlet of the emulsifier with a certain pressure through the oil delivery pump, flows through two nozzles with small nozzles, and is sprayed out at high speed, generating reverse thrust to make the emulsification cylinder rotate at high speed. Due to the impact of the nozzle and the shearing effect of the high-speed rotation of the tiny through-hole on the outer wall of the emulsification cylinder, a good emulsified diesel oil is formed, which enters the fuel injection pump through the emulsified oil outlet of the central shaft. The invention can obtain emulsified oil with good effect without adding any emulsifier or other driving force, and can be used by diesel engines while emulsifying.

Description

Automatic rotating wall hole shear diesel emulsifier

Technical field

The invention relates to a liquid fuel pretreatment device, which is an automatic rotating wall hole shearing type diesel emulsifier.

Background technique

The use of emulsified diesel in diesel engines has achieved remarkable results in reducing engine fuel consumption, reducing exhaust pollution and reducing exhaust temperature. The main methods of making emulsified oil at home and abroad are: mechanical stirring method, such as agitator, homogenizer, gear pump, etc.; sound transducer, such as hydrodynamic ultrasonic emulsifier, electric ultrasonic emulsifier, etc. The quality of the emulsified oil produced by the mechanical stirring method is not stable enough; the manufacturing process of the hydrodynamic phacoemulsifier is strict, the material of the reed is high, and the nozzle is easy to block, which brings considerable difficulty to the actual use. The above methods are generally fixed preparations, and emulsifiers need to be added, and the emulsified oil made is placed in an oil tank at a gas station. However, no matter what kind of emulsifier is used and how much dosage is used, the prepared emulsified oil cannot maintain stability for a long time (cannot exceed 30 days). Emulsified oil in the system separates, causing serious problems. And because of adding expensive emulsifiers, the cost of use is high and difficult to popularize.

Contents of invention

The object of the present invention is to provide an automatic rotating wall-hole shearing type diesel emulsifier. The oil-water emulsifier not only does not need to add any emulsifier, but also does not need to be driven by other powers to obtain a good emulsification effect, and can be conveniently The diesel engine is installed in the oil circuit and used while emulsifying to avoid stratification of the emulsified oil.

1) The lower end cover and the upper end cover of the shell are respectively fixed by the inlet fastening nut and the outlet fastening nut at both ends of the central shaft, and form a closed emulsifier shell with the outer cylinder of the emulsifier;

2) The upper end cover of the emulsification cylinder and the lower end cover of the emulsification cylinder are installed on the central shaft of the emulsifier and connected with the fastening bolts of the emulsification cylinder, and form an emulsification cylinder with the outer wall of the emulsification cylinder. The emulsification cylinder and the central shaft form a rotational fit. There are many small through holes;

3) Radial holes are respectively opened on both sides of the radial equal height of the lower end cover of the emulsification cylinder. The other ends of the two radial holes of the lower end cover are respectively connected with two radially symmetrical nozzles arranged on the bottom surface of the lower end cover of the emulsification cylinder, and the nozzles are opposite. The oil hole is connected;

4) The emulsification cylinder and the shell of the emulsifier form the outer cavity, and the emulsification cylinder and the central shaft form the inner cavity.

The diameter of the small through hole on the outer wall of the emulsification cylinder is below 0.2 mm.

When working, a certain proportion of oil-water mixture enters the oil-water inlet of the emulsifier with a certain pressure through the oil delivery pump, and then enters the oil passage of the lower end cover of the emulsification cylinder through the radial hole of the central axis, and is sprayed out at high speed by two nozzles with small nozzles. The reverse thrust is generated to make the emulsification cylinder rotate at high speed. Due to the function of the nozzle, the oil and water entering the outer cavity have been better emulsified. When the oil and water enter the inner cavity from the outer cavity, they are sheared by the tiny wall holes on the high-speed rotating emulsification cylinder to form good emulsified diesel oil. The shaft emulsified oil outlet enters the fuel injection pump.

The beneficial effect of the present invention is that the emulsified oil with good effect can be obtained without adding any emulsifier, and without additional power drive, and can be installed on the diesel engine while being emulsified and used, so as to reduce the fuel consumption of the diesel engine and reduce the exhaust smoke. Energy saving and environmental benefits. The structure is simple and the operation is convenient.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is an installation diagram of the present invention in a diesel engine oil supply system.

In the figure: 1. Outlet fastening nut, 2. Outlet sealing gasket, 3. Thrust sliding bearing, 4. Upper end cap of emulsification cylinder, 5. Outer wall of emulsification cylinder, 6. Outer cylinder of emulsifier, 7. Lower end cap of emulsification cylinder , 8. Nozzle, 9. Lower end cover of shell, 10. Upper end cover of shell, 11. Axial positioning gasket, 12. Central shaft, 13. Fastening bolt of emulsification cylinder, 14. Sliding bearing, 15. Thrust ball bearing, 16. Imported sealing gasket, 17. Imported fastening nut, 18. Oil pump, 19. Fuel injection pump, 20. Emulsifier, 21. Oil pipe, A. Oil and water inlet, B. Emulsified oil outlet.

Detailed ways

In Fig. 1, the oil-water inlet A of the emulsifier and the emulsified oil outlet B are respectively arranged in the central holes at both ends of the same central shaft 12, and the two ends of the central shaft 12 are respectively fixed at the lower end of the shell by the inlet fastening nut 17 and the outlet fastening nut 1 The cover 9 and the upper end cover 10 of the shell form a closed emulsifier shell with the outer cylinder 6 of the emulsifier. In the middle of the central shaft 12, an emulsification cylinder capable of high-speed rotation is installed through the thrust sliding bearing 3 mounted on the upper end cover 4 of the emulsification cylinder and the sliding bearing 14 on the lower end cover 7 of the emulsification cylinder. In the center of the upper end cover 4 of the emulsification cylinder An axial positioning gasket 11 and an outlet sealing gasket 2 are also installed on the shaft, and a thrust ball bearing 15 and an inlet sealing gasket 16 are also installed on the central axis of the lower end cover 7 of the emulsification cylinder. Two nozzles 8 with opposite nozzles are radially and symmetrically arranged on the bottom surface of the lower end cover 7 of the emulsification cylinder, and a plurality of extremely small through holes are evenly arranged on the outer wall 5 of the emulsification cylinder. 12 make up the inner cavity. When working, a certain proportion of oil-water mixture enters the oil-water inlet A at a certain pressure through the oil delivery pump 18, and then enters the oil passage of the lower end cover 7 of the emulsification cylinder through the axial hole on the central shaft 12 from the radial hole, and is discharged by two nozzles. The small nozzle 8 sprays out at high speed, which generates reverse thrust and makes the emulsification cylinder rotate at high speed. Due to the impact of the nozzle 8, the oil and water entering the outer cavity have been emulsified for the first time. When the oil and water enter the inner cavity from the outer cavity, they are sheared by the tiny through holes on the outer wall 5 of the emulsification cylinder rotating at high speed. This kind of high-speed rotary shearing effect produces the second emulsification, coupled with the rotation and agitation of the emulsification cylinder fastening bolt 13, a good emulsified diesel oil is formed, which flows through the radial hole on the central shaft 12 from the axial hole to the emulsified oil outlet B and enters the injection nozzle. oil pump 19.

In Fig. 2 is the installation example of the present invention in the diesel engine oil supply system. The emulsifier 20 is connected in series in the oil circuit of the diesel engine. The oil-water inlet A of the emulsifier is connected to the outlet of the oil transfer pump 18 through the oil pipe 21, and the emulsified oil outlet B is connected to the inlet of the fuel injection pump 19 through the oil pipe 21, so as to realize emulsification on board and use while emulsifying .

Claims (2)

1. An automatic rotary wall hole shearing diesel emulsifier, characterized in that: 1) Fix the lower end cover (9) and the upper end cover (10) of the shell through the inlet fastening nut (17) and the outlet fastening nut (1) respectively at both ends of the central axis (12), and connect with the outer cylinder of the emulsifier ( 6) Form a closed emulsifier shell; 2) The central shaft (12) in the emulsifier is equipped with the upper end cover (4) of the emulsification cylinder and the lower end cover (7) of the emulsification cylinder, which are connected by the fastening bolts (13) of the emulsification cylinder, and are composed of the outer wall (5) of the emulsification cylinder The emulsification cylinder, which forms a rotation fit with the central shaft (12), and has many tiny through holes on the outer wall (5) of the emulsification cylinder; 3) Radial holes are respectively opened on both sides of the lower end cover (7) of the emulsification cylinder at the radially equal height. The oil holes are connected, and the other ends of the two radial holes on the lower end cover of the emulsification cylinder are respectively connected with two radially symmetrical nozzles (8) arranged on the bottom surface of the lower end cover (7) of the emulsification cylinder, and the nozzles are opposite to each other. The central axis (12) The upper end is provided with a radial hole communicating with the axial center oil outlet hole at the upper end of the central shaft (12); 4) The emulsification cylinder and the shell of the emulsifier form an outer cavity, and the emulsification cylinder and the central shaft (12) form an inner cavity. 2. A self-rotating wall hole shearing type diesel emulsifier according to claim 1, characterized in that: the diameter of the tiny through hole on the outer wall (5) of the emulsification cylinder is less than 0.2 mm.