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Materials measuring and proportioning control method in mechanical stirring type fuel oil watering device

A technology of mechanical stirring and ratio control, applied in the combustion method, liquid fuel supply/distribution, etc., can solve the problems of difficult preparation and poor operability, and achieve significant fuel saving effect, reduction of exhaust gas temperature, and reduction of output heat. small effect

Inactive Publication Date: 2011-06-01
DALIAN MARITIME UNIVERSITY
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AI Technical Summary

Problems solved by technology

However, it is difficult to prepare oil and water manually, and the operability is poor. Therefore, through a reasonable evaluation of the physical and chemical properties of the fuel before and after water mixing, an optimized water mixing control system is designed to continuously mix the fuel and water according to the required oil-water ratio. Together, it is necessary to achieve online regulation while ensuring water stability

Method used

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  • Materials measuring and proportioning control method in mechanical stirring type fuel oil watering device
  • Materials measuring and proportioning control method in mechanical stirring type fuel oil watering device
  • Materials measuring and proportioning control method in mechanical stirring type fuel oil watering device

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the examples.

[0015] Apply this water mixing control scheme to the steam injection boiler, and use the combination of positive and negative balance method tests to conduct tests. The efficiency measured by the positive balance method test is the main one; ) to measure CO after combustion x and dust concentration, the stirring rate is 1200r / min, and the continuous stirring operation is implemented; the operating load fluctuation range of the furnace is within ±10% during the test; the test is carried out when the thermal working condition of the furnace is stable, and the stabilization time is from the cold state ignition to the formal test. Less than 8 hours, the combustion quality of the boiler is basically the same when it is running. The test results are shown in the table below.

[0016]

[0017]

[0018] Under the test conditions at that time, CO 2 content is 8.6%, CO content is ...

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Abstract

The invention discloses a materials measuring and proportioning control method in a mechanical stirring type fuel oil watering device which comprises the main devices: a mechanical stirring core component emulsifier, a watering fuel oil tank, a fuel oil metering pump, a water metering pump, a back pressure valve, a security valve, and a sampling point. The accurate control of a plunger type water metering pump ensures the stability of the water content in the oil, three oil samples heat constant temperature extraction feeds back the water content and changes in time, and heat efficiency measurement of boiler combustion ensures the effects of energy saving and exhaust reduction and optimizes the water and oil proportioning. The quantitative proportioning of the fuel oil watering enables carbon and smoke contents to be decreased, the smoke exhausting temperature is lowered, the output heat is reduced, and the oil saving effect is obvious.

Description

technical field [0001] The invention relates to an energy-saving technology for mixing fuel with water, in particular to a material metering and proportioning control method in a fuel-water mixing device. Background technique [0002] Water-mixed fuel is one of the most widely used clean fuels, but there are still many problems to be solved in practical applications, such as poor stability, ineffective fuel saving, and high concentration of pollutants after combustion. The main reason is the lack of sufficient understanding of the physical and chemical properties of fuel oil mixed with water, because the viscosity, surface tension, interfacial tension of liquid fuel, as well as the stability and dispersion after water mixing have a great influence on the state and application effect of oil-water mixture. influences. [0003] From the point of view of fuel saving, the greater the amount of water mixed with fuel, the better, but with the increase of water added, there will be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K5/12
Inventor 朱益民李铁唐晓佳刘爽
Owner DALIAN MARITIME UNIVERSITY
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