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Diffusion impact type fine atomizer nozzle

A technology of fine water mist and nozzles, which is applied in spraying devices, spraying devices, fire rescue, etc., can solve the problems of low relative momentum and achieve the effects of wide adaptability, simple structure and convenient installation

Inactive Publication Date: 2006-09-20
大连保税区荣昌消防设备工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The operating pressure of this nozzle is from 3 bar (45pis) to 7 bar (100pis), because the relative momentum generated by this nozzle is low, so the scope of action is limited to the cooling and dilution of low volatility liquid fire on hand nozzle

Method used

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  • Diffusion impact type fine atomizer nozzle
  • Diffusion impact type fine atomizer nozzle
  • Diffusion impact type fine atomizer nozzle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The diffusion impact type fine water mist nozzle of embodiment 1, as Figure 4 As shown, the diffuser is composed of three firing pins, the firing pins are cylindrical, the angle of the conical slope of the water outlet is 60°, the diameter of the small hole is φ2, and the distance between the highest position of the diffuser’s impact surface and the small hole outlet is 1.5mm.

Embodiment 2

[0029] The diffusion impact type fine water mist nozzle of embodiment 2, as Figure 5 As shown, the diffuser is composed of four firing pins, the firing pins are cylindrical, the angle of the conical slope of the water outlet is 90°, the diameter of the small hole is φ3, and the distance between the highest position of the diffuser’s impact surface and the small hole outlet is 2mm.

Embodiment 3

[0030] The diffusion impact type fine water mist nozzle of embodiment 3, as Image 6 As shown, the diffuser is composed of five firing pins, the firing pins are cylindrical, the angle of the conical slope of the water outlet is 120°, the diameter of the small hole is φ3.3, and the distance between the highest position of the impact surface of the diffuser and the small hole outlet 2mm.

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Abstract

A diffusion impact type water-atomizing nozzle for extinguishing fire accident and cooling gas turbine, or used as moistener is composed of a main body with water inlet, small hole and conic water outlet arranged along central axis, and a diffuser under said main body and consisting of 3-6 U-shaped impact needles uniformly surrounding said water outlet to form an impact plane.

Description

technical field [0001] The invention relates to an atomizing device or a nozzle, in particular to a diffusion and impact type fine water mist nozzle. Background technique [0002] According to different classification standards, such as the way water mist is generated, the pressure generated by water mist, etc., there are many different classification methods for fine water mist nozzles. [0003] The methods of water mist generation usually include: diffusion impact, pressure jet, gas atomization and jet interaction. [0004] Diffuse impact type fine water mist nozzle is to collide the relatively stable water flow into the diffuser at a medium speed, and the diffuser will decompose the water flow into high-momentum water mist of various sizes. The water droplets are smaller than 600 microns. The working pressure range of impingement nozzles currently on the market is from about 7 bar (100pis) to 17.2 bar (250pis). For fire protection, the impingement nozzle can be a close...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B1/02A62C31/02
Inventor 蔡伟民
Owner 大连保税区荣昌消防设备工程有限公司
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