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Water-coal-slurry double-fluid electrostatic atomization spray gun

A technology of electrostatic atomization and coal water slurry, which is applied in the direction of burners, lighting and heating equipment, etc., can solve the problem that the atomization fineness cannot be further reduced

Inactive Publication Date: 2013-07-31
JIMEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a coal-water slurry two-fluid electrostatic atomization spray gun to solve the problem that the coal-water slurry two-fluid atomization spray gun in the prior art cannot further reduce the atomization fineness under the same energy consumption

Method used

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  • Water-coal-slurry double-fluid electrostatic atomization spray gun
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  • Water-coal-slurry double-fluid electrostatic atomization spray gun

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Embodiment Construction

[0029] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples.

[0030] As shown in Figure 1, it is a coal-water slurry two-fluid electrostatic atomization spray gun 100 related to the utility model, including a spray gun main body 1, and the spray gun main body 1 has a coal-water slurry inlet 11, a compressed gas inlet 12 and a spray gun outlet 13 , the coal-water slurry inlet 11 is connected with the compressed gas inlet 12 and both are connected with the spray gun outlet 13, and the electrostatic induction atomization device 2 is also arranged at the spray gun outlet 13. Specifically, in this embodiment, the electrostatic atomization spray gun 100 is fixed on the furnace wall 200 .

[0031] In this way, the coal-water slurry enters the spray gun main body 1 through the coal-water slurry inlet 11, and the compressed gas enters the spray gun main body 1 through the compress...

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Abstract

The invention discloses a water-coal-slurry double-fluid electrostatic atomization spray gun comprising a spray gun main body, wherein the spray gun main body is provided with a water-coal-slurry inlet, a compressed air inlet and a spray gun outlet; the water-coal-slurry inlet and the compressed air inlet are communicated and are both communicated with the spray gun outlet; and the spray gun outlet is also provided with an electrostatic sensing atomization device. Because the spray gun outlet is also provided with the electrostatic sensing atomization device, a water-coal-slurry fogdrop groupreaching the spray gun outlet is charged with the same type of electric charge when passing though an electrostatic field induced by the annular closed electrode of the electrostatic sensing atomization device; and based on the Coulomb splitting effect, the water-coal-slurry fogdrop breaks through the Rayleigh limit under the action of electrostatic force to generate a secondary breaking phenomenon so as to obtain smaller slurry atomization fineness.

Description

technical field [0001] The invention relates to the field of injection devices, in particular to a two-fluid electrostatic atomization spray gun for coal-water slurry. Background technique [0002] Coal water slurry is a new type of low-carbon, environmentally friendly and energy-saving coal-based oil substitute fuel prepared by physical processing of coal, water and chemical additives in a certain proportion. It can be used for power generation boilers, combined heat and power boilers, industrial boilers, oil field heating Combustion of thermal energy and power equipment such as furnaces and oilfield thermal recovery furnaces. However, due to the high viscosity, high atomization resistance, and complex rheological properties of coal-water slurry, which are completely different from fuel oil, this puts relatively strict requirements on the structure and design of the coal-water slurry nozzle, and the atomization problem is to a large extent. This restricts its comprehensive...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D11/32F23D11/24
Inventor 郑捷庆
Owner JIMEI UNIV
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