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Self-sucking energy-saving oil gun

An energy-saving, self-priming technology, applied to lighting and heating equipment, burners, etc., can solve problems such as easy blockage, heavy maintenance tasks, and complex structures

Inactive Publication Date: 2012-12-05
薛大源
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for fuel oil with strong acidity or large diameter of impurity particles, the technical requirements for the supporting oil pump of the burner are relatively high, and its price is also expensive.
[0003] Patent No.: CN2065719U, Application No.: 89218034X, Invention Name: Oil Burner, this oil burner is composed of proportional regulating valve, valve body part, outer air sleeve part, valve seat, inner envelope, fuel injection nozzle, butterfly valve part Combustion nozzles, through the radial oil injection holes on the fuel injection nozzle, the heavy oil is sprayed radially through the oil routing nozzle holes in the fuel injection nozzle, which is prone to clogging and coking, and the atomization effect is not very good Ideally, the mixing time of oil and gas is very short, resulting in insufficient mixing of oil and gas, and some oil particles will enter combustion before being fully atomized, resulting in insufficient combustion, and the oil inlet nozzle needs an oil pump to supply oil, the structure is more complicated and the cost is higher , heavy maintenance tasks and complex maintenance techniques
[0004] Chinese invention patent ZL200810224882.4 discloses a self-priming swirl atomizing nozzle, which saves the oil pump and avoids frequent maintenance due to nozzle clogging and oil pump wear, but the structure is complicated, the cost is high, and it is not easy to maintain

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] Embodiment one: see figure 1 and figure 2 , a self-priming energy-saving oil gun, including an outer oil pipe 3 and an inner air pipe 4, the outer oil pipe 3 is an integral structure, one end is closed and fixed with the inner air pipe 4, and the other end is fixedly connected with the large end of the contraction section of the atomizing jet pipe 2, and the mist The large end of the diffusion section of the jet tube 2 is fixedly connected to the burner 1, the length of the burner 1 is 1.2-2.0 times the inner diameter, and at least one oil delivery pipe 6 connected with the oil supply mechanism is provided near the closed end of the outer oil pipe 3, and one end of the inner air pipe 4 It communicates with the compressed air source through the air volume control valve 5, and the other end communicates with the atomizing jet tube 2 at the central axis of the large end cross-section of the atomizing jet tube 2, from the closed end of the outer casing oil tube 3 to the o...

Embodiment 2

[0077] Embodiment two: see image 3 , Embodiment 2 is similar in structure to Embodiment 1, and the same number represents the same meaning, so it will not be repeated. The difference is: from the closed end of the outer casing oil pipe 3 to the connection between the outer casing oil pipe 3 and the large end of the contraction section of the atomizing jet pipe 2: when a i >a 0 , the radius of the inner wall of the casing oil pipe 3 increases gradually, b i >b 0 , the radius of the outer wall of the inner air pipe 4 increases gradually, and the radius of the outer wall of the inner air pipe 4 changes. The cone angle γ1 is 1°-8°. The radius change cone angle γ2 is between 1°-8°, and the values ​​of γ2 are γ2=1°, γ2=8°, and γ2=3°.

Embodiment 3

[0078] Embodiment three: see Figure 4 , the third embodiment is similar in structure to the second embodiment, and the same number represents the same meaning, so it will not be repeated. The difference is: from the closed end of the outer casing oil pipe 3 to the connection between the outer casing oil pipe 3 and the large end of the contraction section of the atomizing jet pipe 2: when a i >a 0 , the radius of the inner wall of the casing oil pipe 3 increases gradually, when b i 0 , the radius of the outer wall of the inner trachea 4 gradually decreases, and the radius of the outer wall of the inner trachea 4 changes. The cone angle γ1 is 1°-8°, and the values ​​of γ1 are γ1=1°, γ1=8°, and γ1=3°.

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Abstract

The invention discloses a self-sucking energy-saving oil gun. Negative pressure of a sandwich cavity between an oil casing and an inner air pipe is generated by compressed air or pressure steam and jet technology, non-pressure oil in an oil supply mechanism can be sucked into an oil cavity without assistance of an oil pump, is mixed and jetted by an atomizing jet pipe, and then flows into a burner, so that problems that the oil pump is corroded by oil and is impacted and abraded by impurity particles are solved. Since different cavities of the self-sucking energy-saving oil gun are connected in a threaded manner, the self-sucking energy-saving oil gun is convenient to assemble and dissemble, low in workload for operation and maintenance, simple in structure, reasonable in design, convenient to manufacture, low in manufacturing cost and easy to popularize and use.

Description

technical field [0001] The invention relates to a fuel burner oil gun with high viscosity and strong acid (alkali) property, in particular to a self-priming energy-saving oil gun. Background technique [0002] At present, the burners used in small oil-fired boilers and stoves in China, whether they are domestically produced or imported from abroad, the key components are fuel injectors (commonly known as oil guns). To achieve a good atomization effect of fuel mainly depends on the oil gun. internal structure. At present, most of the oil guns used in the burners of small oil-fired boilers are designed according to the mechanical atomization method of light diesel oil with relatively low viscosity as the fuel, and most of them need to use matching oil pumps to supply oil to the burners. In the past ten years, due to the rapid rise of diesel prices, the fuel costs of some companies using small oil-fired boilers have risen rapidly. These units and companies have to use poor-qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D11/38
Inventor 薛永生薛大源
Owner 薛大源