CN215694938U - Three-fluid spray head and spray gun with same - Google Patents

Abstract

The utility model relates to the technical field of spray guns, in particular to a three-fluid spray head and a spray gun with the three-fluid spray head, wherein the three-fluid spray head comprises an inner spray head and an outer spray head fixedly sleeved outside the inner spray head, and an airflow passing flow channel is formed between the outer spray head and the inner spray head at intervals; a rotational flow part and an air equalizing plate are sequentially arranged in the flow channel from top to bottom; a plurality of air holes are circumferentially arrayed on the air-equalizing plate along the air-equalizing plate; the cyclone part comprises a plurality of cyclone blades fixedly connected in the flow channel along the circumferential direction of the flow channel, wherein a channel for air flow to pass through is formed between every two adjacent cyclone blades at intervals. High-pressure gas just can be come by homodisperse when the aerofoil just passing through, and then when the whirl blade, forms whirlwind, and when shower nozzle blowout including so water smoke, can the centrifugation to spread all around under the effect of whirlwind to improve the diffusion scope of water smoke.

Description

Three-fluid spray head and spray gun with same

Technical Field

The utility model relates to the technical field of spray guns, in particular to a three-fluid spray head and a spray gun with the three-fluid spray head.

Background

The existing technical route for zero discharge of waste water of a power plant mainly comprises a double-fluid evaporation tower and a rotary atomization evaporation tower, and the double-fluid evaporation tower is relatively small in diameter of the evaporation tower and is suitable for the power plant with a relatively short site. The air atomization spray gun is used as a core component of the two-fluid evaporation tower, and whether the atomization effect is stable or not is related to the stable operation of the evaporation tower. The atomization spray gun of the existing operating evaporation tower mainly comprises a gun rod and a spray head; the existing spray head has poor atomization effect, so the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention is directed to a three-fluid spray head and a three-fluid spray gun.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a three-fluid spray head comprises an inner spray head and an outer spray head fixedly sleeved outside the inner spray head, wherein a flow passage for air to pass through is formed between the outer spray head and the inner spray head at intervals; a rotational flow part and an air equalizing plate are sequentially arranged in the flow channel from top to bottom; a plurality of air holes are circumferentially arrayed on the air-equalizing plate along the air-equalizing plate; the cyclone part comprises a plurality of cyclone blades fixedly connected in the flow channel along the circumferential direction of the flow channel, wherein a channel for air flow to pass through is formed between every two adjacent cyclone blades at intervals.

Furthermore, the bottom of the inner side of the air equalizing plate is fixedly connected with a connecting pipe which is coaxial with the inner spray head.

The utility model also provides a three-fluid spray gun, which comprises a gun rod and the three-fluid spray head.

Further, the gun rod comprises a water pipe, a first sleeve, a second sleeve and a heat preservation pipe which are sequentially arranged from inside to outside; an upper end cover and a lower end cover are respectively arranged at two ends of the gun rod; the three-fluid spray head is fixedly connected to the upper end cover;

a first interlayer is formed between the water pipe and the first sleeve at intervals; the upper end of the water pipe is connected with a nozzle facing the connecting pipe, and one end of the first interlayer, which is close to the nozzle, is communicated with the connecting pipe;

the second sleeve and the first sleeve are arranged at intervals to form a second interlayer, and the second interlayer is communicated with the flow channel;

the second sleeve and the heat preservation pipe are arranged at intervals to form a third interlayer;

the lower end cover is provided with a water inlet communicated with the water pipe, a first air inlet communicated with the first interlayer and a second air inlet communicated with the second interlayer.

Furthermore, an air inlet and an air outlet which are communicated with the third interlayer are respectively arranged on the outer wall of the heat preservation pipe.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the air-equalizing plate with the air holes and the rotational flow part are arranged in the flow channel, so that high-pressure gas can be uniformly dispersed when passing through the air-equalizing plate, and further forms cyclone when passing through the rotational flow blades, and thus, when water mist is sprayed out from the inner spray head, the water mist can be centrifugally diffused to the periphery under the action of the cyclone, and thus, the diffusion range of the water mist is improved.

Drawings

FIG. 1 is a schematic view of a spray gun;

FIG. 2 is a cross-sectional view of the spray gun;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of the spray gun;

fig. 5 is an enlarged view of a portion B in fig. 4.

Reference numerals: 1. an inner spray head; 2. an outer nozzle; 3. a flow channel; 4. a swirl vane; 41. a channel; 5. a wind equalizing plate; 51. a wind hole; 52. a connecting pipe; 61. a water pipe; 611. a nozzle; 62. a first sleeve; 63. a second sleeve; 64. a heat preservation pipe; 71. a first interlayer; 72. a second interlayer; 73. a third interlayer; 81. a lower end cover; 811. a water inlet; 812. a first air inlet; 813. a second air inlet; 82. an upper end cover; 91. an air inlet; 92. and (7) air outlet.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Example 1:

referring to fig. 1, the present embodiment provides a three-fluid nozzle, which includes an inner nozzle 1 and an outer nozzle 2 fixedly sleeved outside the inner nozzle 1, and as shown in fig. 2 and 3, an air flow passage 3 is formed between the outer nozzle 2 and the inner nozzle 1 at an interval. The upper end of the outer spray head 2 and the upper end of the inner spray head 1 are arranged at intervals for guiding out air flow.

Water and low-pressure gas are sprayed out of the inner spray head 1, the water is atomized under the action of the low-pressure gas, and then water mist is sprayed out of the inner spray head 1.

High pressure gas passes through the flow channel 3.

A rotational flow part and an air equalizing plate 5 are sequentially arranged in the flow channel 3 from top to bottom; the air-equalizing plate 5 is circumferentially provided with a plurality of air holes 51 in an array manner along the air-equalizing plate 5, so that high-pressure air can pass through each air hole 51 when passing through the air-equalizing plate 5, and the high-pressure air is uniformly distributed in the flow channel 3.

Swirl portion includes a plurality of swirl blades 4 of 3 circumferencial direction fixed connection in runner 3, wherein the interval sets up the passageway 41 that forms the air feed stream and pass through between two adjacent swirl blades 4, so high-pressure gas is after 5 dispersions of wind-sharing board, when passing through passageway 41, can form whirlwind, whirlwind is finally derived from the upper end of outer shower nozzle 2, meanwhile water smoke is from interior shower nozzle 1 upper end output, so under the effect of whirlwind, interior shower nozzle 1 spun water smoke just can be to radiation diffusion all around to improve the diffusion range of water smoke.

In this embodiment, the bottom of the inner side of the air equalizing plate 5 is fixedly connected with a connecting pipe 52 coaxially arranged with the inner nozzle 1, and the connecting pipe 52 is mainly used for being connected with a gun rod of a spray gun.

Example 2

This embodiment provides a three-fluid spray gun comprising a gun barrel and a three-fluid spray head as described in embodiment 1.

Specifically, the method comprises the following steps: as shown in fig. 3 and 4, the gun rod includes a water pipe 61, a first sleeve 62, a second sleeve 63, and a heat preservation pipe 64, which are sequentially arranged from inside to outside; wherein the water pipe 61, the first sleeve 62, the second sleeve 63, and the insulating pipe 64 are coaxially disposed.

An upper end cover 82 and a lower end cover 81 are respectively fixedly arranged at the two ends of the gun rod; the three-fluid spray head is fixedly attached to the upper end cap 82.

As shown in fig. 3, the water pipe 61 and the first sleeve 62 are arranged at intervals to form a first interlayer 71; water flows through the water pipe 61, and the first interlayer 71 mainly allows low-pressure gas to flow therethrough.

The upper end of the water pipe 61 is connected with a nozzle 611 facing the connecting pipe 52, and the water in the water pipe 61 is sprayed out from the nozzle 611; one end of the first interlayer 71 close to the nozzle 611 is communicated with the connecting pipe 52, and the low-pressure gas flows from the first interlayer 71, and when passing through the position of the nozzle 611, the water sprayed from the nozzle 611 is atomized to form water mist, and the water mist enters the inner spray head 1 and is sprayed from the inner spray head 1.

The second sleeve 63 and the first sleeve 62 are arranged at intervals to form a second interlayer 72, and the second interlayer 72 is communicated with the flow channel 3; the second interlayer 72 mainly flows the high pressure gas, so that the high pressure gas enters the flow channel 3 through the second interlayer 72 and is finally sprayed from the upper end of the outer nozzle 2 to diffuse the water mist sprayed from the inner nozzle 1.

A third interlayer 73 formed by arranging the second sleeve 63 and the heat preservation pipe 64 at intervals; as shown in fig. 4, an air inlet 91 and an air outlet 92 communicated with the third interlayer 73 are further respectively disposed on the outer wall of the heat preservation pipe 64. The setting purpose of third intermediate layer 73 is that supply air conditioning to pass through, so can be through air intake 91 with air conditioning leading-in third intermediate layer 73 in, and then air conditioning is discharged by air outlet 92, so the air conditioning in the third intermediate layer 73 just can be to the inside cooling of barral of a gun, prevents that the inside high temperature of barral of a gun from causing the barral of a gun to damage.

As shown in fig. 5, the lower end cover 81 is provided with a water inlet 811 communicating with the water pipe 61, a first air inlet 812 communicating with the first interlayer 71, and a second air inlet 813 communicating with the second interlayer 72, respectively.

The implementation principle is as follows:

water is introduced from the water inlet 811, enters the water pipe 61 and is finally sprayed out from the nozzle 611;

the low-pressure gas is introduced from the first gas inlet 812, further enters the first interlayer 71, and finally is led out from the upper end of the first interlayer 71, so as to atomize the water sprayed from the nozzle 611, and form water mist to enter the inner nozzle 1.

High-pressure gas is introduced from the second gas inlet 813, then enters the second interlayer 72, and then enters the flow channel 3 of the three-fluid spray head to be uniformly and spirally flowed in sequence; and finally is sprayed from the upper end of the outer spray head 2 to diffuse the water mist sprayed from the inner spray head 1.

Simultaneously, can be with air conditioning from the leading-in third intermediate layer 73 of air intake 91 in, final air conditioning is derived from air outlet 92, so in order to realize the effect to the rifle bar cooling.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims (5)

1. A three-fluid spray head comprises an inner spray head and an outer spray head fixedly sleeved outside the inner spray head, wherein a flow passage for air to pass through is formed between the outer spray head and the inner spray head at intervals; the method is characterized in that: a rotational flow part and an air equalizing plate are sequentially arranged in the flow channel from top to bottom; a plurality of air holes are circumferentially arrayed on the air-equalizing plate along the air-equalizing plate; the cyclone part comprises a plurality of cyclone blades fixedly connected in the flow channel along the circumferential direction of the flow channel, wherein a channel for air flow to pass through is formed between every two adjacent cyclone blades at intervals.

2. A three-fluid showerhead according to claim 1 wherein: the bottom of the inner side of the air equalizing plate is fixedly connected with a connecting pipe which is coaxial with the inner spray head.

3. A three-fluid spray gun, characterized by: comprising a gun bar and a three-fluid spray head according to claim 2.

4. A three-fluid spray gun as claimed in claim 3, wherein: the gun rod comprises a water pipe, a first sleeve, a second sleeve and a heat preservation pipe which are sequentially arranged from inside to outside; an upper end cover and a lower end cover are respectively arranged at two ends of the gun rod; the three-fluid spray head is fixedly connected to the upper end cover;

a first interlayer is formed between the water pipe and the first sleeve at intervals; the upper end of the water pipe is connected with a nozzle facing the connecting pipe, and one end of the first interlayer, which is close to the nozzle, is communicated with the connecting pipe;

the second sleeve and the first sleeve are arranged at intervals to form a second interlayer, and the second interlayer is communicated with the flow channel;

the second sleeve and the heat preservation pipe are arranged at intervals to form a third interlayer;

the lower end cover is provided with a water inlet communicated with the water pipe, a first air inlet communicated with the first interlayer and a second air inlet communicated with the second interlayer.

5. A three-fluid spray gun as claimed in claim 4, wherein: and the outer wall of the heat-insulating pipe is also provided with an air inlet and an air outlet which are communicated with the third interlayer respectively.

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