CN214717608U

CN214717608U - Spray gun mixing arrangement with secondary atomizing mechanism

Info

Publication number: CN214717608U
Application number: CN202120333920.0U
Authority: CN
Inventors: 亢瑞强; 李春来; 任海瑞
Original assignee: Tangshan Zhongshan Environmental Protection Technology Co Ltd
Current assignee: Jiangsu Longyan Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-16
Anticipated expiration: 2031-02-05

Abstract

The utility model belongs to the technical field of the spray gun, concretely relates to spray gun mixing arrangement with secondary atomizing mechanism, including secondary atomizing subassembly, spray gun body subassembly and container subassembly, spray gun body subassembly upper portion is located to the container subassembly, spray gun body subassembly can be dismantled with the container subassembly and be connected, the spray gun body subassembly front portion is located to the secondary atomizing subassembly, spray gun body subassembly can be dismantled with the secondary atomizing subassembly and be connected. The utility model provides a prior art sprinkle the atomizing and can not reach the problem of SNCR system to atomizing demand. The utility model discloses a gas sprays the mixing chamber after the inlet port accelerates, collides with the low-speed liquid that comes from the liquid hole, and the frictional force that produces through higher relative velocity makes the first atomizing back of liquid, and the gas-liquid mixture takes place the secondary atomizing through the mixing chamber orifice, and the mixing chamber orifice is better for the spray gun spun liquid atomization of fan-shaped orifice, and the particle distribution more accords with the requirement of atomizing of SNCR system to the spray gun.

Description

Spray gun mixing arrangement with secondary atomizing mechanism

Technical Field

The utility model belongs to the technical field of the spray gun, concretely relates to spray gun mixing arrangement with secondary atomizing mechanism.

Background

The selective non-catalytic reduction means that under the action of no catalyst, a reducing agent is sprayed into a temperature window suitable for denitration reaction to reduce nitrogen oxides in the flue gas into harmless nitrogen and water. The technology generally adopts ammonia, urea or hydrogen ammonia acid sprayed in a furnace as a reducing agent to reduce NOx. The reductant reacts only with NOx in the flue gas and generally does not react with oxygen, and this technique does not employ a catalyst, so this method is referred to as selective non-catalytic reduction (SNCR). Since the process does not use a catalyst, the reducing agent must be added in the high temperature zone. And spraying the reducing agent into a region with the temperature of 850-1100 ℃ in the hearth, quickly thermally decomposing into NH3, and reacting with NOx in the flue gas to generate N2 and water.

Chinese patent (publication No. CN209901545U) discloses a frequency conversion cleaning spray gun with a gas-liquid mixing device, which comprises a spray gun handle, wherein finger grooves distributed equidistantly are formed in the outer wall of one side of the spray gun handle, a connector is fixedly arranged on the outer wall of the bottom end of the spray gun handle, a long steel pipe is fixedly arranged at the top of the outer wall of one side of the spray gun handle, a control valve is arranged inside one end of the long steel pipe close to the spray gun handle, a trigger suspended below the long steel pipe is arranged on the control valve, a connecting column with a hollow structure is arranged on the outer wall of the top of the spray gun handle, and an air pump is fixedly arranged on the outer wall of one side of the connecting column through an air guide tube.

Chinese patent publication No. CN209155757U also discloses a device for spraying volatile oil in a mixing machine, which comprises a mixing container, a spray gun and a pressure liquid feeding tank located outside the mixing container for storing/transporting volatile oil, wherein the mixing container is provided with a feeding cover, the spray gun is mounted on the feeding cover of the mixing container, the spray head part of the spray gun is arranged in the mixing container, and a liquid inlet channel of the spray gun is connected with a liquid outlet pipe at the bottom of the pressure liquid feeding tank through a liquid pipe.

However, the prior art has the following problems:

1. in the prior art, the spraying distance of the spray gun is inconvenient to control, an operator needs certain experience usually, the spray gun is inconvenient to popularize and apply in a large area, and the applicability is poor;

2. the atomization degree of the prior art can not meet the atomization requirement of an SNCR system on a spray gun.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a spray gun mixing arrangement with secondary atomizing mechanism for solve prior art and spray the problem that the atomizing can not reach the demand of SNCR system to atomizing. The utility model discloses a gas sprays the mixing chamber after the inlet port accelerates, collides with the low-speed liquid that comes from the liquid hole, and the frictional force that produces through higher relative velocity makes the first atomizing back of liquid, and the gas-liquid mixture takes place the secondary atomizing through the mixing chamber orifice, and the mixing chamber orifice is better for the spray gun spun liquid atomization of fan-shaped orifice, and the particle distribution more accords with the requirement of atomizing of SNCR system to the spray gun.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a spray gun mixing arrangement with secondary atomizing mechanism, includes secondary atomizing subassembly, spray gun body subassembly and container subassembly, spray gun body subassembly upper portion is located to the container subassembly, spray gun body subassembly can be dismantled with the container subassembly and be connected, the spray gun body subassembly front portion is located to the secondary atomizing subassembly, spray gun body subassembly can be dismantled with secondary atomizing subassembly and be connected.

Preferably, the secondary atomization assembly comprises a secondary atomization spray cover component, a secondary atomization kit, a warming lantern ring, an infrared sensor, a distance indicating lamp and a trigger, the secondary atomization spray cover component is arranged at the front part of the secondary atomization external member and is detachably connected with the secondary atomization external member, the secondary atomization spraying cover component comprises a secondary atomization cover and a nozzle, the nozzle is arranged at the front part of the secondary atomization cover, the secondary atomization cover is fixedly connected with the nozzle, an inner nested ring is arranged inside the secondary atomization suite, the secondary atomization external member is fixedly connected with the inner nesting ring, the warming sleeve ring is arranged between the secondary atomization external member and the inner nesting ring, the secondary atomizing external member rear portion can be dismantled with spray gun rifle body subassembly front portion and be connected, show apart from lamp and trigger and locate on the spray gun rifle body subassembly, show apart from lamp and trigger fixed connection in spray gun rifle body subassembly upper portion.

Preferably, the front part of the gun body is provided with a plurality of first spray holes and a plurality of second spray holes, the plurality of first spray holes are circumferentially arrayed on the outer side of the second spray holes, and the aperture of the second spray holes is larger than that of the first spray holes.

Preferably, the container assembly comprises a container and a container cover, the container cover is arranged on the container and is detachably connected with the container, the container comprises a container outer layer and a container inner layer, the container outer layer is arranged outside the container inner layer, and the container outer layer is fixedly connected with the container inner layer.

Preferably, the spray gun body assembly comprises a gun body, a first valve mechanism, a second valve mechanism, a feeding valve mechanism and an air inlet valve, the first valve mechanism is arranged at the lower part of the gun body, the first valve mechanism is detachably connected with the gun body, the second valve mechanism is arranged at the upper part of the gun body, the second valve mechanism is movably connected with the gun body, the feeding valve mechanism is arranged at the upper part of the gun body, the feeding valve mechanism is movably connected with the gun body, the air inlet valve is arranged at the lower part of the gun body, the air inlet valve is in threaded connection with the gun body, the second valve mechanism comprises a rotating part, a second valve pull rod and a second valve cavity, the second valve cavity is arranged at the upper part of the gun body, the second valve mechanism is arranged in the second valve cavity, the second valve mechanism is in threaded connection with the second valve cavity, the second valve pull rod is arranged at one end of the rotating part, the rotating piece is movably connected with the second valve pull rod.

Preferably, first valvetrain includes that first valve draws piece, first pressure pipe, blocks valve mouth spare, rubber and blocks piece and the chamber way of admitting air, the chamber way of admitting air is located the rifle body lower part, the intracavity of admitting air is equipped with first pressure pipe, blocks valve mouth spare and rubber and blocks the piece, block valve mouth spare and the chamber way upper portion fixed connection that admits air, rubber blocks the piece and locates first pressure pipe one end, a piece fixed connection is blocked with rubber to first pressure pipe, the first pressure pipe other end is equipped with first valve and draws the piece, first valve draws piece and first pressure pipe fixed connection, first valve draws the piece and the chamber way lower part threaded connection that admits air.

Preferably, the feeding valve mechanism comprises a feeding pull rod, a feeding rubber pad, a feeding sleeve and a feeding cavity, a through hole is formed in the middle of the feeding rubber pad, the feeding pull rod penetrates through the through hole to be movably connected with the feeding rubber pad, one end of the feeding pull rod is arranged on the feeding sleeve, the feeding pull rod is movably connected with the feeding sleeve, one end of the feeding sleeve is fixedly connected with the lower portion of the container, the feeding cavity is arranged on the lower portion of the gun body, and the other end of the feeding sleeve is in threaded connection with the upper portion of the feeding cavity.

Preferably, the lower part of the feeding cavity is communicated with a second valve cavity pipeline, the upper part of the first pressure pipe is communicated with the second valve cavity pipeline, and the air inlet valve is communicated with the air inlet cavity pipeline through a pipeline.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a gas sprays the mixing chamber after the inlet port accelerates, collides with the low-speed liquid that comes from the liquid hole, and the frictional force that produces through higher relative velocity makes the first atomizing back of liquid, and the gas-liquid mixture takes place the secondary atomizing through the mixing chamber orifice, and the mixing chamber orifice is better for the spray gun spun liquid atomization of fan-shaped orifice, and the particle distribution more accords with the requirement of atomizing of SNCR system to the spray gun.

The utility model discloses well secondary atomization component is arranged in carrying out the secondary atomizing with the liquid in the container subassembly for liquid particle is big in the middle of spun liquid forms in spout department, and the less overall arrangement of both sides liquid particle more accords with the atomizing requirement of SNCR system to the spray gun, and spray gun body subassembly is the main part mechanism that realizes spilling atomized liquid, and the handheld operation of being convenient for simultaneously connects into a whole with secondary atomization component and container subassembly.

The nozzle is fan-shaped, the atomization of the sprayed liquid is better, the atomization angle is about 65 degrees, the liquid drop particles are thick and fine, the middle is provided with more large liquid particles, the particles on two sides are smaller, the particle distribution better meets the atomization requirement of an SNCR system on a spray gun, a temperature-increasing lantern ring is arranged in the secondary atomization suite, so that the liquid entering the secondary atomization component is better gasified, meanwhile, due to the rise of temperature, the pressure is increased, the middle liquid particles are better formed by spraying, the distribution state of the liquid particles on the periphery is smaller, the distance between the spraying surface and the nozzle can be measured through the arrangement of an infrared sensor, and then the distance is compared with the optimal spraying distance, the distance indicating lamp is used for prompting whether the distance between a user is appropriate or not, when the lamp is green, the spraying distance is appropriate, when the lamp is red, the distance between the nozzle and the spraying surface is too far, when the lamp is red, the distance between the nozzle and the spraying surface is too close, the nozzle distance can be adjusted by operation, the first spray holes are provided with a plurality of first spray holes, and the plurality of first spray holes are circumferentially arrayed on the outer side of the second spray holes, so that the liquid is dispersed more, and a further scattering effect is achieved.

Drawings

FIG. 1 is a schematic diagram of an explosion structure of an embodiment of a mixing device of a spray gun with a secondary atomizing mechanism according to the present invention;

FIG. 2 is a schematic perspective view of an embodiment of a mixing device with a secondary atomizing mechanism of the present invention;

FIG. 3 is a schematic diagram of a side view of an embodiment of a mixing device with a secondary atomizing mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is an enlarged view of the structure at B in FIG. 4;

FIG. 7 is an enlarged view of the structure at C in FIG. 4;

reference numerals referred to in the drawings are:

the secondary atomizing unit 1, the secondary atomizing cap member 110, the secondary atomizing cap 1101, the nozzle 1102,

A secondary atomization kit 120, an inner nesting ring 1201,

A warming collar 130, an infrared sensor 150, a distance indicating lamp 160, a trigger 170, a first spray hole 1700, a second spray hole 1800, a spray gun body component 2, a gun body 210,

First valve mechanism 220, first valve pull block 2201, first pressure tube 2202, block valve port 2203, rubber block 2204, intake channel 2205, and second pressure tube 2202,

A second valve mechanism 230, a rotating member 2301, a second valve pull rod 2302, a second valve chamber 2303,

A feeding valve mechanism 240, a feeding pull rod 2401, a feeding rubber pad 2402, a feeding sleeve 2403, a feeding cavity 2404, an air inlet valve 250,

Container module 3, container 310, container outer layer 3101, container inner layer 3102,

A container cover 320.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Example one

As shown in fig. 1 to 7, a spray gun mixing device with a secondary atomization mechanism comprises a secondary atomization assembly 1, a spray gun body assembly 2 and a container assembly 3, wherein the container assembly 3 is arranged on the upper portion of the spray gun body assembly 2, the spray gun body assembly 2 is detachably connected with the container assembly 3, the secondary atomization assembly 1 is arranged on the front portion of the spray gun body assembly 2, and the spray gun body assembly 2 is detachably connected with the secondary atomization assembly 1.

In this embodiment, secondary atomizing subassembly 1 is arranged in carrying out the secondary atomizing with the liquid in container subassembly 3 for the liquid granule is big in the middle of spun liquid forms in spout 1102 department, and the less overall arrangement of both sides liquid granule more accords with the atomizing requirement of SNCR system to the spray gun, and spray gun rifle body subassembly 2 is the main part mechanism that realizes spraying atomizing liquid, and the handheld operation of being convenient for simultaneously connects secondary atomizing subassembly 1 and container subassembly 3 into a whole.

The secondary atomizing assembly 1 includes a secondary atomizing cap member 110, a secondary atomizing kit 120, a warming collar 130, an infrared sensor 150, a distance indicator 160 and a trigger 170, the secondary atomization spray cover component 110 is arranged at the front part of the secondary atomization sleeve component 120, the secondary atomization spray cover component 110 is detachably connected with the secondary atomization sleeve component 120, the secondary atomization spray cover component 110 comprises a secondary atomization cover 1101 and a spray opening 1102, the spray opening 1102 is arranged at the front part of the secondary atomization cover 1101, the secondary atomization cover 1101 is fixedly connected with the spray opening 1102, an inner nesting ring 1201 is arranged inside the secondary atomization sleeve component 120, the secondary atomization sleeve component 120 is fixedly connected with the inner nesting ring 1201, the warming lantern ring 130 is arranged between the secondary atomization sleeve component 120 and the inner nesting ring 1201, the rear part of the secondary atomization sleeve component 120 is detachably connected with the front part of the spray gun body component 2, the distance indicator lamp 160 and the trigger 170 are arranged on the spray gun body component 2, and the distance indicator lamp 160 and the trigger 170 are fixedly connected with the upper part of the spray gun body component 2.

Wherein the nozzle 1102 is fan-shaped, the atomization of the sprayed liquid is better, the atomization angle is about 65 degrees, the liquid drop particles have thickness and fineness, the middle is distributed with more large liquid particles, the particles on both sides are smaller, the particle distribution better meets the atomization requirement of the SNCR system on the spray gun, the secondary atomization kit 120 is internally provided with the warming lantern ring 130, so that the liquid entering the secondary atomization assembly 1 is better gasified, simultaneously, the pressure is increased due to the rise of the temperature, the spraying is more favorable for forming a layout state that the middle liquid particles are large and the liquid particles on the periphery are smaller, the distance between the spraying surface and the nozzle 1102 can be measured by the arrangement of the infrared sensor 150, and then compared with the optimal spraying distance, the distance indicator lamp 160 is used for prompting whether the distance between a user is proper, when the lamp is green, the spraying distance is proper, when the lamp is red, the distance between the nozzle 1102 and the spraying surface is too far, when the lamp is red, the distance between the nozzle 1102 and the spraying surface is too close, and the nozzle distance can be adjusted according to the operation.

The front portion of the gun body 210 is provided with a plurality of first nozzle holes 1700 and a plurality of second nozzle holes 1800, the plurality of first nozzle holes 1700 are circumferentially arranged outside the second nozzle holes 1800, and the aperture of the second nozzle holes 1800 is larger than that of the first nozzle holes 1700.

The first nozzle holes 1700 are provided in a plurality, and the plurality of first nozzle holes 1700 are circumferentially arranged outside the second nozzle holes 1800, so that the liquid is more dispersed and further dispersed.

The container assembly 3 includes a container 310 and a container cover 320, the container cover 320 is disposed on the container 310, the container cover 320 is detachably connected to the container 310, the container 310 includes an outer container layer 3101 and an inner container layer 3102, the outer container layer 3101 is disposed outside the inner container layer 3102, and the outer container layer 3101 is fixedly connected to the inner container layer 3102.

Example two

This embodiment is based on the first embodiment, and mainly introduces the structure of the fixing component of the spray gun mixing device with the secondary atomizing mechanism of the present invention.

The container 310 is provided with two layers, namely a container outer layer 3101 and a container inner layer 3102, the container inner layer 3102 is made of a corrosion-resistant material, and the container outer layer 3101 is made of a material with better toughness, so that the container 310 is more resistant to falling and durable.

The spray gun body assembly 2 comprises a gun body 210, a first valve mechanism 220, a second valve mechanism 230, a feeding valve mechanism 240 and an air inlet valve 250, wherein the first valve mechanism 220 is arranged at the lower part of the gun body 210, the first valve mechanism 220 is detachably connected with the gun body 210, the second valve mechanism 230 is arranged at the upper part of the gun body 210, the second valve mechanism 230 is movably connected with the gun body 210, the feeding valve mechanism 240 is arranged at the upper part of the gun body 210, the feeding valve mechanism 240 is movably connected with the gun body 210, the air inlet valve 250 is arranged at the lower part of the gun body 210, the air inlet valve 250 is in threaded connection with the gun body 210, the second valve mechanism 230 comprises a rotating part 2301, a second valve pull rod 2302 and a second valve cavity 2303, the second valve cavity 2303 is arranged at the upper part of the gun body 210, the second valve mechanism 230 is arranged in the second valve cavity 2303, the second valve mechanism 230 is in threaded connection with the second valve cavity 2303, the second valve pull rod 2302 is arranged at one end of the rotating part 1, the rotating member 2301 is movably connected with the second valve rod 2302.

The setting of second valve mechanism 230 wherein is the mechanism that realizes spouting the atomized liquid, when needs spout the atomized liquid, then through the trigger of pulling the lower part for second valve mechanism 230 is backward started, makes the front portion leave the clearance, thereby the gas-liquid mixture spouts in the secondary atomization component 1.

The first valve mechanism 220 comprises a first valve pulling block 2201, a first pressure pipe 2202, a blocking valve port component 2203, a rubber blocking block 2204 and an air inlet cavity 2205, the air inlet cavity 2205 is arranged on the lower portion of the gun body 210, a first pressure pipe 2202, the blocking valve port component 2203 and the rubber blocking block 2204 are arranged in the air inlet cavity 2205, the blocking valve port component 2203 is fixedly connected with the upper portion of the air inlet cavity 2205, the rubber blocking block 2204 is arranged at one end of the first pressure pipe 2202, the first pressure pipe 2202 is fixedly connected with the rubber blocking block 2204, the first valve pulling block 2201 is arranged at the other end of the first pressure pipe 2202, the first valve pulling block 2201 is fixedly connected with the first pressure pipe 2202, and the first valve pulling block 2201 is in threaded connection with the lower portion of the air inlet cavity 2205.

The first valve mechanism 220 is mainly used for controlling air inflow, and when air inflow is needed, the rubber blocking block 2204 is separated from the blocking valve port piece 2203 to leave a gap; when the gas needs to be closed, the blocking valve mouth piece 2203 is attached to the rubber blocking block 2204, so that the gas flow is blocked.

The feeding valve mechanism 240 comprises a feeding pull rod 2401, a feeding rubber pad 2402, a feeding sleeve 2403 and a feeding cavity 2404, wherein a through hole is formed in the middle of the feeding rubber pad 2402, the feeding pull rod 2401 penetrates through the through hole to be movably connected with the feeding rubber pad 2402, one end of the feeding pull rod 2401 is arranged on the feeding sleeve 2403, the feeding pull rod 2401 is movably connected with the feeding sleeve 2403, one end of the feeding sleeve 2403 is fixedly connected with the lower portion of the container 310, the feeding cavity 2404 is arranged on the lower upper portion of the gun body 210, and the other end of the feeding sleeve 2403 is in threaded connection with the upper portion of the feeding cavity 2404.

The inlet valve mechanism 240 facilitates the control of the liquid in the container assembly 3 to flow into the spray gun body assembly 2, when the high pressure gas enters the second valve cavity 2303 and the second valve mechanism 230 is in the closed state, the high pressure gas mainly acts on the inlet valve mechanism 240, so that the inlet rubber pad 2402 is broken, the air pressure in the container assembly 3 is increased, and when the air pressure tends to be balanced, the liquid in the container assembly 3 smoothly flows into the second valve mechanism 230.

The lower part of the feeding cavity 2404 is communicated with the second valve cavity 2303 in a pipeline way, the upper part of the first pressure pipe 2202 is communicated with the second valve cavity 2303 in a pipeline way, and the air inlet valve 250 is communicated with the air inlet cavity 2205 in a pipeline way.

The lower portion of the inlet channel 2404 is in pipe communication with the second valve cavity 2303, so that the container assembly 3 can flow down smoothly, and the first pressure pipe 2202 communicates the inlet channel 2205 with the second valve cavity 2303, so that the high-pressure gas in the inlet channel 2205 can be delivered into the second valve cavity 2303.

The advantages of the second embodiment over the first embodiment are:

the two layers of the container in the second embodiment are respectively an outer layer and an inner layer, the inner layer is made of corrosion-resistant materials, and the outer layer is made of materials with better toughness, so that the container is more resistant to falling and durable.

The setting of second valve mechanism wherein is the mechanism of realization blowout atomized liquid, when needs blowout atomized liquid, then through the trigger of pulling the lower part for second valve mechanism starts backward, makes the front portion leave the clearance, thereby the gas-liquid mixture body spouts in the secondary atomization component.

The first valve mechanism is mainly used for controlling air inflow, and when air inflow is needed, the rubber blocking block is separated from the blocking valve opening piece, and a gap is reserved; when the gas needs to be closed, the blocking valve port piece is attached to the rubber blocking block, and the effect of blocking the gas flow is achieved.

The feeding valve mechanism is convenient for controlling liquid in the container assembly to flow into the spray gun body assembly, when high-pressure gas enters the cavity of the second valve, the second valve mechanism is in a closed state, the high-pressure gas can mainly act on the feeding valve mechanism, so that the feeding rubber pad is broken, the air pressure in the container assembly is increased, and when the air pressure tends to be balanced, the liquid in the container assembly can smoothly flow into the second valve mechanism.

Feeding chamber said lower part and second valve cavity body pipeline UNICOM wherein, its container subassembly of being convenient for can smoothly flow down, and first manometer pipe is said and is led to gas inlet chamber and second valve cavity UNICOM simultaneously for gas inlet chamber says that high-pressure gas can carry to in the second valve cavity.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a spray gun mixing arrangement with secondary atomizing mechanism which characterized in that: including secondary atomization component (1), spray gun body subassembly (2) and container subassembly (3), spray gun body subassembly (2) upper portion is located in container subassembly (3), spray gun body subassembly (2) can be dismantled with container subassembly (3) and be connected, spray gun body subassembly (2) front portion is located in secondary atomization component (1), spray gun body subassembly (2) can be dismantled with secondary atomization component (1) and be connected.

2. The spray gun mixing device with the secondary atomizing mechanism of claim 1, wherein: the secondary atomizing assembly (1) comprises a secondary atomizing spray cover component (110), a secondary atomizing sleeve component (120), a temperature-increasing sleeve ring (130), an infrared sensor (150), a distance-indicating lamp (160) and a trigger (170), wherein the secondary atomizing spray cover component (110) is arranged at the front part of the secondary atomizing sleeve component (120), the secondary atomizing spray cover component (110) is detachably connected with the secondary atomizing sleeve component (120), the secondary atomizing spray cover component (110) comprises a secondary atomizing cover (1101) and a nozzle (1102), the nozzle (1102) is arranged at the front part of the secondary atomizing cover (1101), the secondary atomizing cover (1101) is fixedly connected with the nozzle (1102), an inner nested ring (1201) is arranged inside the secondary atomizing sleeve component (120), the secondary atomizing sleeve component (120) is fixedly connected with the inner nested ring (1201), the temperature-increasing sleeve ring (130) is arranged between the secondary atomizing sleeve component (120) and the inner nested ring (1201), the rear part of the secondary atomization external member (120) is detachably connected with the front part of the spray gun body assembly (2), the distance indicating lamp (160) and the trigger (170) are arranged on the spray gun body assembly (2), and the distance indicating lamp (160) and the trigger (170) are fixedly connected to the upper part of the spray gun body assembly (2).

3. The spray gun mixing device with the secondary atomizing mechanism of claim 2, wherein: the front part of the gun body (210) is provided with a plurality of first spray holes (1700) and a plurality of second spray holes (1800), the first spray holes (1700) are arranged on the outer side of the second spray holes (1800) in a circumferential array mode, and the aperture of the second spray holes (1800) is larger than that of the first spray holes (1700).

4. The spray gun mixing device with the secondary atomizing mechanism of claim 3, wherein: the container assembly (3) comprises a container (310) and a container cover (320), wherein the container cover (320) is arranged on the container (310), the container cover (320) is detachably connected with the container (310), the container (310) comprises a container outer layer (3101) and a container inner layer (3102), the container outer layer (3101) is arranged outside the container inner layer (3102), and the container outer layer (3101) is fixedly connected with the container inner layer (3102).

5. The spray gun mixing device with the secondary atomizing mechanism of claim 4, wherein: the spray gun body assembly (2) comprises a gun body (210), a first valve mechanism (220), a second valve mechanism (230), a feeding valve mechanism (240) and an air inlet valve (250), wherein the first valve mechanism (220) is arranged at the lower part of the gun body (210), the first valve mechanism (220) is detachably connected with the gun body (210), the second valve mechanism (230) is arranged at the upper part of the gun body (210), the second valve mechanism (230) is movably connected with the gun body (210), the feeding valve mechanism (240) is arranged at the upper part of the gun body (210), the feeding valve mechanism (240) is movably connected with the gun body (210), the air inlet valve (250) is arranged at the lower part of the gun body (210), the air inlet valve (250) is in threaded connection with the gun body (210), the second valve mechanism (230) comprises a rotating part (2301), a second valve (2302) and a second valve pull rod (2303), the second valve cavity (2303) is arranged on the upper portion of the gun body (210), the second valve mechanism (230) is arranged in the second valve cavity (2303), the second valve mechanism (230) is in threaded connection with the second valve cavity (2303), the second valve pull rod (2302) is arranged at one end of the rotating piece (2301), and the rotating piece (2301) is movably connected with the second valve pull rod (2302).

6. The spray gun mixing device with the secondary atomizing mechanism of claim 5, wherein: the first valve mechanism (220) comprises a first valve pull block (2201), a first pressure pipe (2202), a blocking valve port piece (2203), a rubber blocking block (2204) and an air inlet cavity (2205), the air inlet cavity (2205) is arranged at the lower part of the gun body (210), a first pressure pipe (2202), a blocking valve port piece (2203) and a rubber blocking block (2204) are arranged in the air inlet cavity (2205), the blocking valve port piece (2203) is fixedly connected with the upper part of the air inlet cavity (2205), the rubber blocking block (2204) is arranged at one end of the first pressure pipe (2202), the first pressure pipe (2202) is fixedly connected with the rubber blocking block (2204), the other end of the first pressure pipe (2202) is provided with a first valve pulling block (2201), the first valve pulling block (2201) is fixedly connected with a first pressure pipe (2202), the first valve pulling block (2201) is in threaded connection with the lower part of the air inlet cavity (2205).

7. The spray gun mixing device with the secondary atomizing mechanism of claim 6, wherein: the feeding valve mechanism (240) comprises a feeding pull rod (2401), a feeding rubber pad (2402), a feeding sleeve (2403) and a feeding cavity (2404), a through hole is formed in the middle of the feeding rubber pad (2402), the feeding pull rod (2401) penetrates through the through hole and is movably connected with the feeding rubber pad (2402), one end of the feeding pull rod (2401) is arranged on the feeding sleeve (2403), the feeding pull rod (2401) is movably connected with the feeding sleeve (2403), one end of the feeding sleeve (2403) is fixedly connected with the lower portion of the container (310), the feeding cavity (2404) is arranged on the lower portion of the gun body (210), and the other end of the feeding sleeve (2403) is in threaded connection with the upper portion of the feeding cavity (2404).

8. The spray gun mixing device with the secondary atomizing mechanism of claim 7, wherein: the lower part of the feeding cavity channel (2404) is in pipeline communication with the second valve cavity (2303), the upper part of the first pressure pipe (2202) is in pipeline communication with the second valve cavity (2303), and the air inlet valve (250) is in pipeline communication with the air inlet cavity channel (2205) through a pipeline.