CN113996880A

CN113996880A - Large-fire high-pressure high-temperature spray gun

Info

Publication number: CN113996880A
Application number: CN202111339623.8A
Authority: CN
Inventors: 李俭军; 黄际军; 田祥高
Original assignee: Hunan Dongqi Electric Co ltd
Current assignee: Hunan Dongqi Electric Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-02-01

Abstract

The invention discloses a high-pressure high-temperature spray gun with large fire, which comprises: the spray barrel is a main container for ignition and fire collection of the spray gun, and a high-temperature-resistant nozzle is arranged on the front surface of the spray barrel; the control valve is fixedly arranged below the spray barrel; the turbofan air barrel is fixedly connected to the rear part of the spraying barrel; a front grip fixedly mounted below the control valve; the back handle, its fixed mounting is in the below of turbofan air bucket, this big fire high pressure high temperature spray gun, can be used for the welding of metal and dissolve, this high temperature spray gun is the biggest difference with common spray gun, on the liquefied gas vaporization pressurized basis of original spray gun, a high power turbofan duct has been added, can compress a large amount of air and assist the flame burning, when making the length of flame prolong greatly, also make the temperature of flame greatly increase, can adjust duct speed as required simultaneously, freely adjust the length and the temperature of flame, realize quick and large tracts of land and dissolve the target, thereby replace current spray gun equipment.

Description

Large-fire high-pressure high-temperature spray gun

Technical Field

The invention relates to the technical field of high-temperature welding, in particular to a high-fire high-pressure high-temperature spray gun.

Background

The spray gun is a device which utilizes liquid or compressed air to rapidly release as power, and is generally divided into spray painting and welding, the main difference is that the spray painting spray gun generally adopts an air pump to pressurize and spray paint, while the flame spray gun for welding generally utilizes the pressure of liquefied gas vaporization to spray and ignite fuel gas, the flame spray gun is widely applied to the welding field at present, but different targets needing dissolving or welding are faced, and new requirements are provided for the use of the spray gun;

except that welding needs the spray gun, dismantling of some metal assemblies also needs the spray gun to melt its joint structure and disassemble, but current spray gun relies on vaporization pressure to carry out the jet combustion alone, and the flame that the pressure is not enough causes is less, makes it can not satisfy the demand, often needs to consume more time when the disassembly facing some large-scale equipment.

Therefore, it is necessary to design a high-fire, high-pressure and high-temperature spray gun to increase the fire power and temperature of the existing spray gun, so as to melt and disassemble metal objects more quickly.

Disclosure of Invention

The invention aims to provide a high-fire high-pressure high-temperature spray gun to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high fire pressure and high temperature spray gun comprising:

the spray barrel is a main container for ignition and fire collection of the spray gun, and a high-temperature-resistant nozzle is arranged on the front surface of the spray barrel;

the control valve is fixedly arranged below the spray barrel;

the turbofan air barrel is fixedly connected to the rear part of the spraying barrel;

a front grip fixedly mounted below the control valve;

and the rear handle is fixedly arranged below the turbofan air barrel and is connected with the control valve through a lead.

Preferably, the control valve further comprises:

the fuel nozzle is fixedly arranged above the control valve, and is fixedly arranged in the spray barrel;

an ignition plug fixedly installed above the control valve, the ignition plug being disposed at a front side of the fuel nozzle;

a trigger valve rotatably disposed at a front side of the control valve.

Preferably, the front handle further comprises:

and the fuel tank is arranged below the front handle, and the fuel tank and the front handle are connected in a clamping manner.

Preferably, the turbofan barrel further comprises:

a grill fixedly installed at the rear of the turbofan tub;

and the motor is fixedly arranged on the front surface of the grating and is arranged on the grating.

Preferably, the motor further includes:

flabellum, its fixed setting is in on the output shaft of motor, the flabellum about the output shaft of motor evenly sets up two sets of the motor is still including:

the fan blades are fixedly arranged on the output shaft of the motor, and the fan blades are uniformly arranged in two groups relative to the output shaft of the motor.

Preferably, the rear handle further comprises:

the speed regulation knob is arranged on the right side of the rear grip in a transmission way;

and the battery pack is fixedly arranged below the rear grip and is connected with the spark plug through a lead.

Compared with the prior art, the invention has the beneficial effects that: the high-flame-intensity high-pressure high-temperature spray gun can be used for welding and dissolving metal, and is the biggest difference between the high-temperature spray gun and a common spray gun is that on the basis of vaporization and pressurization of liquefied gas of the original spray gun, a high-power turbofan duct is added, a large amount of air can be compressed to assist flame combustion, so that the flame length can be greatly prolonged, the flame temperature can be greatly increased, the duct speed can be adjusted according to needs, the flame length and temperature can be freely adjusted, and the rapid and large-area dissolving target can be realized, so that the existing spray gun equipment is replaced;

1. by utilizing the arc design of the spraying barrel and the high-temperature resistant nozzle, when flame is sprayed out from the fuel nozzle, the flame can be gathered in the spraying barrel, after the turbofan is started, air in the spraying barrel can be compressed, and meanwhile, under the arc design of the spraying barrel and the high-temperature resistant nozzle, the high-temperature flame can be further compressed when being sprayed out, so that the flame is more concentrated, and when the flame is sprayed out from the high-temperature resistant nozzle, the flame is greatly prolonged, so that the spraying range of the spraying gun is enlarged, and meanwhile, the temperature is greatly increased, so that the spraying efficiency is improved;

2. through the control of speed governing knob to turbofan bucket to can adjust the wind-force in the turbofan bucket, use at the spray gun, required flame length and temperature all respectively have the difference under the application scene of difference, and utilize the accurate control of speed governing knob, can carry out accurate control to the length and the temperature that spray the flame, thereby strengthen the suitability of this spray gun.

Drawings

FIG. 1 is a schematic isometric view of the present invention;

FIG. 2 is a schematic diagram of the right-view structure of the present invention;

fig. 3 is a left perspective structural diagram of the present invention.

In the figure: 1. spraying the barrel; 2. a high temperature resistant nozzle; 3. a front grip; 4. a fuel tank; 5. a turbofan barrel; 6. a speed regulation knob; 7. a rear grip; 8. a battery pack; 9. a control valve; 10. a trigger valve; 11. a fuel injector; 12. a spark plug; 13. a grid; 14. a motor; 15. a fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, a high-fire, high-pressure, high-temperature spray gun includes: the spray barrel 1 is a main container for ignition and fire collection of the spray gun, and a high-temperature-resistant nozzle 2 is arranged on the front surface of the spray barrel; a control valve 9 fixedly disposed below the spray tub 1; a turbofan barrel 5 fixedly connected to the rear of the spray barrel 1; a front grip 3 fixedly attached below the control valve 9; and a rear handle 7 which is fixedly arranged below the turbofan air barrel 5, wherein the rear handle 7 is connected with the control valve 9 through a lead. The control valve 9 further comprises: a fuel nozzle 11 fixedly installed above the control valve 9, the fuel nozzle 11 being fixedly installed inside the spray barrel 1; an ignition plug 12 fixedly installed above the control valve 9, the ignition plug 12 being provided on the front side of the fuel nozzle 11; and a trigger valve 10 rotatably provided at a front side of the control valve 9. The front handle 3 also comprises: fuel jar 4, it sets up the below of preceding handle 3, connected mode between fuel jar 4 and the preceding handle 3 is connected for the joint, and utilize spray barrel 1 and high temperature resistant nozzle 2's arc design, flame is when spouting from fuel nozzle 11, flame can gather in spray barrel 1, after the turbofan starts, can be with the air compression in spray barrel 1, simultaneously under spray barrel 1 and high temperature resistant nozzle 2's arc design, high temperature flame can be further compressed when the blowout, make flame more concentrated, when flame spouts from high temperature resistant nozzle 2, the flame will prolong greatly, thereby promote the spray regime of spray gun, the temperature also can improve greatly simultaneously, thereby improve injection efficiency.

As shown in fig. 1-3, a high-fire, high-pressure and high-temperature spray gun, the turbofan barrel 5 further comprises: a grill 13 fixedly installed at the rear of the turbofan tub 5; and the motor 14 is fixedly arranged on the front surface of the grating 13, and the motor 14 is arranged. The motor 14 further includes: flabellum 15, it is fixed to be set up on the output shaft of motor 14, and flabellum 15 still includes about the output shaft of motor 14 evenly sets up two sets of motors 14: the fan blades 15 are fixedly arranged on the output shaft of the motor 14, and the fan blades 15 are uniformly arranged in two groups relative to the output shaft of the motor 14. The rear handle 7 also comprises: a speed regulating knob 6 which is arranged on the right side of the rear grip 7 in a transmission way; battery package 8, its fixed mounting is in the below of back handle 7, battery package 8 with spark plug 12 passes through the wire and connects, through speed governing knob 6 to turbofan fan bucket 5's control to can adjust the wind-force in the turbofan bucket 5, in the spray gun use, required flame length and temperature all respectively have the difference under the application scene of difference, and utilize speed governing knob 6's accurate control, can carry out accurate control to the length and the temperature that spray the flame, thereby strengthen the suitability of this spray gun.

To sum up, firstly, the fuel tank 4 needs to be installed below the front grip 3, the turbofan barrel 5 of the spray gun needs to be started first, the turbofan barrel 5 is powered by the battery pack 8, the power is controlled by the speed adjusting knob 6 to adjust the output current and control the rotation speed of the motor 14, the grille 13 is located behind the turbofan barrel 5 to prevent the blades from being damaged by sundries and prevent the user from accidentally touching the blades 15 to cause injury, the motor 14 is fixed on the grille 13, the motor 14 rotates to drive the blades 15 to generate wind power, after the turbofan barrel 5 is started, the speed adjusting knob 6 is controlled to keep a low speed state, the trigger valve 10 is closed, the control valve 9 releases the fuel gas to be sprayed out from the fuel nozzle 11, the spark plug 12 is started to generate an electric arc to ignite the fuel gas, the flame is pressurized in the spray barrel 1, the flame is sprayed out from the high temperature resistant nozzle 2 due to the pressure generated by the turbofan barrel 5, the speed adjusting knob 6 is controlled, the air pressure in the spray barrel 1 can be increased by increasing the air speed, so that flame combustion is more sufficient, and the ignition work is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-pressure high-temperature spray gun with large fire is characterized by comprising:

the spray barrel (1) is a main container for ignition and fire collection of the spray gun, and a high-temperature-resistant nozzle (2) is arranged on the front surface of the spray barrel;

a control valve (9) fixedly arranged below the spray barrel (1);

the turbofan air barrel (5) is fixedly connected to the rear part of the spraying barrel (1);

a front grip (3) fixedly mounted below the control valve (9);

and the rear handle (7) is fixedly arranged below the turbofan air barrel (5).

2. A hot and high pressure lance as claimed in claim 1, wherein the control valve (9) further comprises:

the fuel nozzle (11) is fixedly arranged above the control valve (9), and the fuel nozzle (11) is fixedly arranged in the spray barrel (1);

an ignition plug (12) fixedly mounted above the control valve (9), the ignition plug (12) being provided on a front side of the fuel nozzle (11);

a trigger valve (10) rotatably disposed at a front side of the control valve (9).

3. A hot and high pressure lance as claimed in claim 1, wherein the front handle (3) further comprises:

and a fuel tank (4) disposed below the front grip (3), wherein the fuel tank (4) and the front grip (3) are connected by snap-fit connection.

4. A hot and high pressure lance as claimed in claim 1, wherein the turbofan barrel (5) further comprises:

a grille (13) fixedly mounted behind the turbofan barrel (5);

and the motor (14) is fixedly arranged on the front surface of the grating (13), and the motor (14) is arranged on the grating.

5. A hot and high pressure lance as claimed in claim 4, wherein the motor (14) further comprises:

the fan blades (15) are fixedly arranged on an output shaft of the motor (14), and the fan blades (15) are uniformly arranged in two groups relative to the output shaft of the motor (14).

6. A hot and high pressure hot spray gun as claimed in claim 1, wherein said rear handle (7) further comprises:

the speed regulation knob (6) is arranged on the right side of the rear grip (7) in a transmission way;

and the battery pack (8) is fixedly arranged below the rear handle (7), and the battery pack (8) is connected with the spark plug (12) through a lead.