CN210022551U

CN210022551U - Double-fluid multistage atomizing nozzle

Info

Publication number: CN210022551U
Application number: CN201920260142.XU
Authority: CN
Inventors: 许传东
Original assignee: Shanghai Zhuyuan Machinery Technology Co Ltd
Current assignee: Shanghai Zhuyuan Machinery Technology Co Ltd
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2020-02-07
Anticipated expiration: 2029-03-01

Abstract

The utility model discloses a multistage atomizing nozzle of double-fluid, including liquid cap, atomizing core, liquid core and air cap, be equipped with inlet port and gas storage chamber in the liquid cap, just the inlet port with gas storage chamber intercommunication, be equipped with the hybrid chamber in the atomizing core, the hybrid chamber with set up gaseous water conservancy diversion chamber between the gas storage chamber, be equipped with liquid flow path in the liquid core just liquid flow path and hybrid chamber intercommunication, be equipped with the atomizing chamber in the air cap, be provided with the vortex body in the intercommunication mouth of atomizing chamber and hybrid chamber on the atomizing core, the air cap is connected with the firing pin at the atomizing intracavity, the outside assembly nestification of firing pin has the resonance body, the resonant cavity has evenly been seted up in the resonance body. The utility model discloses a set up the spinning disk and resonance chamber for liquid can tear the breakage under the high-speed rotatory state, adopts tertiary atomizing structural design, has improved the granule fineness after the atomizing, and atomization effect is showing.

Description

Double-fluid multistage atomizing nozzle

Technical Field

The utility model relates to an atomizing nozzle field, concretely relates to multistage atomizing nozzle of two fluids.

Background

The nozzle is one of the most important components in a combustion plant. The liquid fuel combustion generally uses nozzles, and the nozzle design has a great influence on the liquid fuel combustion. The nozzle is used for atomizing the liquid fuel to form liquid mist with small diameter so as to increase the contact area of the liquid fuel and the surrounding medium and achieve the purposes of rapid evaporation, mixing and combustion. The two-fluid nozzle mainly provides compressed air by an air compressor and atomizes liquid by utilizing the compressed air. The prior two-fluid atomizing nozzle mainly has the defects of low fineness of atomized particles, poor atomizing effect and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings in the prior art, an object of the present invention is to provide a dual-fluid multi-stage atomizing nozzle, which can effectively improve the fineness of particles and the atomizing effect after atomization.

In order to achieve the above and other related objects, the present invention provides a dual-fluid multi-stage atomizing nozzle, comprising a liquid cap, an atomizing core, a liquid core and an air cap, wherein the liquid core is assembled on a central shaft of the liquid cap, the liquid cap is connected with the air cap, the atomizing core is assembled inside the liquid cap, an air inlet and an air storage chamber are arranged in the liquid cap, the air inlet is communicated with the air storage chamber, a mixing chamber is arranged in the atomizing core, a gas guiding chamber is arranged between the mixing chamber and the air storage chamber, a liquid flow passage is arranged in the liquid core and is communicated with the mixing chamber, an atomizing chamber is arranged in the air cap, a rotational flow body is arranged in a communicating port between the atomizing chamber and the mixing chamber on the atomizing core, the air cap is connected with a firing pin in the atomizing chamber, and a resonant body is assembled and nested outside the firing pin, resonant cavities are uniformly arranged in the resonant bodies.

Preferably, the front end of the air cap is uniformly provided with nozzles.

Preferably, the outlets of the resonant cavities face the nozzles and correspond to the nozzles one to one.

Preferably, the gas diversion cavity is of a conical structure with the inner diameter gradually reduced, one end with the small inner diameter is communicated with the mixing cavity, and the other end with the large inner diameter is communicated with the gas storage cavity.

Preferably, a swirl groove is arranged on the outer side of the swirl body.

Preferably, the liquid cap and the air cap are connected and locked by an external retainer.

Compared with the prior art, the beneficial effects of the utility model are that: gas and liquid mix in the mixing chamber and cut breakage, and liquid is atomized into the granule for the first time, then the granule spouts behind the high-speed rotatory fluid of vortex body formation, strikes the firing pin, and atomizing breakage once more, the liquid after the breakage gets into the resonant cavity, and the upset inflation forms the high-speed rivers of high pressure in the resonant cavity, tears the breakage once more in getting into the spout at last, accomplishes the third time and atomizes, at last by the high-speed blowout of spout. The utility model discloses a set up the spinning disk and resonance chamber for liquid can tear the breakage under the high-speed rotatory state, adopts tertiary atomizing structural design, has improved the granule fineness after the atomizing, and atomization effect is showing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a two-fluid multistage atomizing nozzle provided by the present invention.

Wherein the reference numerals are specified as follows: the device comprises a liquid cap 1, an atomizing core 2, a liquid core 3, an air cap 4, a swirling body 5, a resonant body 6, a retainer 7, an air inlet 11, an air storage cavity 12, a mixing cavity 21, an air guide cavity 22, a liquid flow channel 31, an atomizing cavity 41, a firing pin 42, a nozzle 43 and a resonant cavity 61.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in figure 1, the utility model provides a double-fluid multi-stage atomizing nozzle, which comprises a liquid cap 1, an atomizing core 2, a liquid core 3 and an air cap 4, wherein the liquid core 3 is assembled and connected on the central shaft of the liquid cap 1, the liquid cap 1 is connected with the air cap 4, the atomizing core 2 is assembled and installed at the inner side of the liquid cap 1, an air inlet 11 and an air storage cavity 12 are arranged in the liquid cap 1, and the air inlet 11 communicates with the gas storage cavity 12, the atomizing core 2 is provided with a mixing cavity 21, a gas diversion cavity 22 is arranged between the mixing cavity 21 and the gas storage cavity 12, the liquid core 3 is provided with a liquid flow passage 31 and the liquid flow passage 31 communicates with the mixing cavity 21, the air cap 4 is provided with an atomizing cavity 41, the atomizing core 2 is provided with a rotational flow body 5 in a communicating opening between the atomizing cavity 41 and the mixing cavity 21, the air cap 4 is connected with a firing pin 42 in the atomizing cavity 41, the outer side of the firing pin 42 is assembled and nested with a resonance body 6, and the resonance body 6 is internally and uniformly provided with a resonance cavity 61.

The front end of the air cap 4 is uniformly provided with the nozzles 43, and the outlets of the resonant cavities 61 face the nozzles 43 and correspond to the nozzles 43 one by one.

The gas diversion cavity 22 is a conical structure with the inner diameter gradually reduced, the end with the small inner diameter is communicated with the mixing cavity 21, and the end with the large inner diameter is communicated with the gas storage cavity 12.

The outer side of the rotational flow body 5 is provided with a rotational flow groove, and liquid flows in the rotational flow groove and is accelerated to be in a high-speed state.

The liquid cap 1 and the air cap 4 are connected and locked through a protective ring 7 on the outer side, and the liquid cap is convenient to mount and dismount.

During the concrete implementation, gas gets into gas storage cavity 12 through inlet hole 11 to get into mixing chamber 21 after gaseous water conservancy diversion chamber 22 accelerates, gas and liquid mix in mixing chamber 21 and cut breakage, liquid is atomized into the granule for the first time, then the granule forms high-speed rotatory fluid through the whirl body 5 and spouts after, strike firing pin 42, the breakage of atomizing once more, liquid after the breakage gets into resonant cavity 61, the upset inflation forms high-pressure high-speed rivers in resonant cavity 61, it tears the breakage once more to get into spout 43 at last, accomplish the third time and atomize, spout 43 high-speed blowout at last.

To sum up, the utility model discloses a set up the vortex body and resonant cavity for liquid can tear the breakage with high-speed rotatory state under, adopts tertiary atomizing structural design, has improved the granule fineness after the atomizing, and atomization effect is showing. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The double-fluid multistage atomizing nozzle is characterized by comprising a liquid cap (1), an atomizing core (2), a liquid core (3) and an air cap (4), wherein the liquid core (3) is assembled and connected on a central shaft of the liquid cap (1), the liquid cap (1) is connected with the air cap (4), the atomizing core (2) is assembled and installed on the inner side of the liquid cap (1), an air inlet hole (11) and an air storage cavity (12) are formed in the liquid cap (1), the air inlet hole (11) is communicated with the air storage cavity (12), a mixing cavity (21) is formed in the atomizing core (2), a gas diversion cavity (22) is formed between the mixing cavity (21) and the air storage cavity (12), a liquid flow channel (31) is formed in the liquid core (3), the liquid flow channel (31) is communicated with the mixing cavity (21), and an atomizing cavity (41) is formed in the air cap (4), the atomizing device is characterized in that a cyclone body (5) is arranged in a communicating opening of an atomizing cavity (41) and a mixing cavity (21) on the atomizing core (2), a firing pin (42) is connected in the atomizing cavity (41) through an air cap (4), a resonator (6) is assembled and nested on the outer side of the firing pin (42), and a resonant cavity (61) is uniformly arranged in the resonator (6).

2. The dual fluid multistage atomizing nozzle of claim 1, wherein: the front end of the air cap (4) is uniformly provided with nozzles (43).

3. The dual fluid multistage atomizing nozzle of claim 2, wherein: the outlets of the resonant cavities (61) face the nozzles (43) and correspond to the nozzles one to one.

4. The dual fluid multistage atomizing nozzle of claim 1, wherein: the gas diversion cavity (22) is of a conical structure with the inner diameter gradually reduced, one end with the small inner diameter is communicated with the mixing cavity (21), and the other end with the large inner diameter is communicated with the gas storage cavity (12).

5. The dual fluid multistage atomizing nozzle of claim 1, wherein: and a swirl groove is formed in the outer side of the swirl body (5).

6. The dual fluid multistage atomizing nozzle of claim 1, wherein: the liquid cap (1) and the air cap (4) are connected and locked through a retainer (7) on the outer side.