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A Tightly Coupled Ring Rectangular Hole Gas Nozzle Atomizer with Improved Atomization Efficiency

A gas nozzle and tightly coupled technology, which is applied in the field of tightly coupled ring rectangular hole gas nozzle atomizers, can solve the problems of difficult industrial production, huge nitrogen source and gas compressor, and increased production costs.

Active Publication Date: 2020-10-09
INST OF MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If continuous production is required, the nitrogen source and gas compressor to be configured are very large, and the production cost is greatly increased
Difficult to achieve industrial production

Method used

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  • A Tightly Coupled Ring Rectangular Hole Gas Nozzle Atomizer with Improved Atomization Efficiency
  • A Tightly Coupled Ring Rectangular Hole Gas Nozzle Atomizer with Improved Atomization Efficiency
  • A Tightly Coupled Ring Rectangular Hole Gas Nozzle Atomizer with Improved Atomization Efficiency

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Embodiment 1

[0028] Embodiment one, as figure 1 , 2As shown, this embodiment provides a tightly coupled ring rectangular hole gas nozzle atomizer that improves atomization efficiency, including a catheter 1 with a hollow tube structure, and a lower body 2 and an upper body 3 with a hollow tube structure , the lower body 2 is set on the outer surface of the catheter 1, and the upper body 3 is sleeved outside the lower body 2 and forms a closed gas resident space 4 capable of stabilizing the gas pressure between the lower body 2; the catheter 1, the lower body 2 and the upper body The body 3 forms a layer-by-layer socket structure.

[0029] The inner surface of the port of the upper body 3 is a conical surface 31 that shrinks toward the port of the liquid guide tube 1, and the outer conical surface of the port of the lower body 2 is in sealing contact with the conical surface 31 of the upper body 3 through the corresponding frustum 21, so that the upper body 3 and the lower body The outlet...

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Abstract

The invention provides a tight coupling ring rectangular hole gas nozzle atomizer capable of improving the atomization efficiency which comprises a liquid guide pipe and a lower body arranged on the outer surface of the liquid guide pipe in a sleeved mode; the atomizer comprises an upper body which is a hollow tube body structure and is sleeved outside the lower body, and a closed gas parking space capable of stabilizing the gas pressure is formed between the upper body and the lower body; the inner surface of the upper body end port is a conical surface or a conical-shape surface which is inclined towards the tail end of the liquid guide pipe; the outer surface of the lower body end port is in sealing contact with the conical surface or the conical-shape surface of the upper body througha corresponding cone shape surface, between the contact of lower body and the upper body; and a plurality of rectangular gas nozzles communicating with the outside and the gas parking space are uniformly arranged along the circumference. The rectangular channel can be a two-dimensional contraction type or two-dimensional contraction-expand (laval) type gas nozzle. According to the atomizer, the efficiency for the kinetic energy of the high-speed airflow on the relatively static liquid and liquid drops is improved, and the liquid and the liquid drops are atomized into finer liquid drops.

Description

technical field [0001] The invention relates to the field of pressure gas atomized liquid, in particular to a kind of mixing structure that can strengthen high-speed air flow and low-speed liquid flow to form eddy and turbulent flow, and can improve atomization efficiency and reduce the average diameter of liquid droplets. Gas nozzle atomizer. Background technique [0002] Close-coupled atomizers mostly adopt ring-slit and ring-hole structures. Since the outlet of the gas nozzle is very close to the atomized liquid in the center, the atomization efficiency is greatly improved, and it is widely used in industry. [0003] Improving atomization efficiency, reducing gas consumption, and reducing the particle size of atomized droplets (which become solid powder after cooling) are always the goals pursued by people. In terms of atomization efficiency, the ring-hole atomizer is obviously better than the ring-slit atomizer. The previous ring-hole atomizers mostly use axisymmetric r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/08
CPCB22F9/082B22F2009/088B22F2009/0892
Inventor 王吉南
Owner INST OF MECHANICS CHINESE ACAD OF SCI
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