CN218310755U

CN218310755U - Energy-saving water-cooling type heavy flame accident cutting gun for continuous casting of square billets

Info

Publication number: CN218310755U
Application number: CN202221653704.5U
Authority: CN
Inventors: 黄乐平; 马小飞
Original assignee: Jiangsu Minwei Electromechanical Co ltd
Current assignee: Jiangsu Minwei Electromechanical Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-17
Anticipated expiration: 2032-06-30

Abstract

The utility model provides an energy-saving water-cooling type heavy flame accident cutting torch for continuous casting of square billets, which comprises a handheld grab handle, wherein a first gas pipe is arranged on the side wall of a fixed plate, a second gas pipe is arranged at the bottom of the fixed plate, a high-pressure oxygen valve is arranged between the first gas pipe and the fixed plate, a mixed gas valve is arranged at the top end of the right part of the second gas pipe, and a cutting nozzle is fixedly arranged at one end of the first gas pipe and one end of the second gas pipe, which are far away from the fixed plate; the outer peripheral walls of the first gas pipe and the second gas pipe are respectively provided with a heat dissipation water pipe, and the bottom of one end of the heat dissipation water pipe on the second gas pipe is provided with a water inlet and a water outlet; through set up the heat dissipation water pipe on the transmission trachea, when the cutting time is too long, insert outside water pipe through water inlet and the delivery port on the heat dissipation water pipe, the heat is taken away in the circulation flow of heat dissipation water pipe to the cooling water, and cooling efficiency is high, has prolonged the life of burning torch, prevents that the pipeline temperature is too high and then produces danger.

Description

Energy-saving water-cooling type heavy flame accident cutting gun for continuous casting of square billets

Technical Field

The utility model relates to a burning torch equipment technical field especially relates to a heavy flame accident burning torch of energy-saving water-cooled square billet continuous casting.

Background

The gas cutting technology is an indispensable processing technology in industrial production, and is characterized by that it utilizes the heat energy produced by flame produced by mixing and burning combustible gas and oxygen gas to preheat the cut position of workpiece to a certain temp., then utilizes the high-speed cutting oxygen flow to make metal be violently oxidized and release heat quantity, and utilizes the cutting oxygen flow to blow off the metal oxide in molten state so as to implement cutting method. Also called a cutting torch. The cutting gun is generally provided with three switches, wherein the uppermost switch is a high-pressure oxygen switch, namely a commonly-called high-wind switch; a mixed gas switch is arranged below the high wind switch; finally, one of the switches is an acetylene switch. The order of use was: firstly turning on an acetylene switch, igniting, then controlling the size of flame by adjusting the size of the mixed gas and acetylene, preheating the object to be cut, and turning on a high-wind switch to cut when the object reaches a molten state;

however, the existing cutting torch can generate high temperature when cutting a casting blank, when the cutting torch is used for a long time, the heat at the nozzle of the cutting torch can be conducted to a gas transmission pipe, so that the temperature of the gas transmission pipe is too high, the internal gas is heated, danger is easily caused, and the safety performance is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an energy-saving water-cooled type heavy flame accident cutting torch for continuous casting of square billets.

The utility model discloses a following technical scheme realizes:

an energy-saving water-cooling type heavy flame accident cutting gun for continuous casting of square billets comprises a handheld grab handle, wherein one end of the handheld grab handle is provided with a fixing plate, the side wall of the fixing plate is provided with a first gas pipe, the bottom of the fixing plate is provided with a second gas pipe, a high-pressure oxygen valve is arranged between the first gas pipe and the fixing plate, the top end of the right part of the second gas pipe is provided with a mixed gas valve, and one ends, far away from the fixing plate, of the first gas pipe and the second gas pipe are fixedly provided with cutting nozzles;

the heat dissipation water pipe is arranged between the heat dissipation water pipes and is used for communicating the heat dissipation water pipes on the first gas pipe and the second gas pipe, and a water inlet and a water outlet are formed in the bottom of one end of the heat dissipation water pipe on the second gas pipe;

one side of the handheld grab handle, which is far away from the cutting nozzle, is connected with a first connecting port and a second connecting port, the first connecting port and the second connecting port are communicated, and an acetylene valve is arranged between the second connecting port and the handheld grab handle.

The one end that handheld grab handle was kept away from to first gas-supply pipe and second gas-supply pipe is equipped with the connecting block, be equipped with adjusting device between connecting block and the cutting nozzle, adjusting device includes the regulation orifice plate, be equipped with a plurality of flow holes on the regulation orifice plate, flow hole size reduces in proper order, flow hole distributes along the centre of a circle equidistance of regulation orifice plate, the regulation orifice plate is the gear form, the upper end of regulation orifice plate is equipped with adjusting gear, adjusting gear meshes with the regulation orifice plate mutually, adjusting gear's the fixed regulation pole that is equipped with in lateral wall center, the tip of adjusting the pole is equipped with adjusting hand wheel.

Communicating pipe is "H" type form, heat dissipation water pipe upper portion on the first gas-supply pipe is equipped with the support, it wears to establish in the support to adjust the pole.

The handheld grab handle is provided with a heat insulation pad, and the heat insulation pad is bonded on the handheld grab handle.

Compared with the prior art, the heat dissipation water pipe is arranged on the gas transmission pipe, when the cutting time is too long, the external water pipe is connected through the water inlet and the water outlet on the heat dissipation water pipe, cooling water circularly flows in the heat dissipation water pipe to take away heat, the cooling efficiency is high, the service life of the cutting gun is prolonged, and the danger caused by the overhigh temperature of the pipeline is prevented; and through set up adjusting device on the cutting nozzle, through the diameter size of adjusting device control blowout flame, can be used to the cutting under the different condition, improve the practicality of device.

Drawings

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

FIG. 2 is a schematic view of the structure of the adjusting device of the present invention;

in the figure: 1. a hand-held grip; 11. a first connection port; 12. a second connection port; 13. an acetylene valve; 2. a first gas delivery pipe; 21. a high pressure oxygen valve; 3. a second gas delivery pipe; 31. a mixed gas valve; 4. cutting a nozzle; 5. adjusting the orifice plate; 51. a flow orifice; 6. an adjusting gear; 61. adjusting a rod; 62. a support; 63. adjusting a hand wheel; 7. a heat dissipation water pipe; 71. a water inlet; 72. a water outlet; 73. a communicating pipe; 8. and (7) connecting the block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The present invention will be further explained with reference to the accompanying drawings,

as shown in fig. 1-2, an energy-saving water-cooled heavy flame accident cutting torch for continuous casting of square billets comprises a handheld grab handle 1, wherein a fixing plate is arranged at one end of the handheld grab handle 1, a first gas pipe 2 is arranged on the side wall of the fixing plate, a second gas pipe 3 is arranged at the bottom of the fixing plate, a high-pressure oxygen valve 21 is arranged between the first gas pipe 2 and the fixing plate, a mixed gas valve 31 is arranged at the top end of the right part of the second gas pipe 3, and a cutting nozzle 4 is fixedly arranged at one end, far away from the fixing plate, of the first gas pipe 2 and the second gas pipe 3;

the heat dissipation water pipes 7 are respectively arranged on the outer peripheral walls of the first air conveying pipe 2 and the second air conveying pipe 3, the first air conveying pipe 2 and the second air conveying pipe 3 are wrapped by the heat dissipation water pipes 7, a communication pipe 73 is arranged between the heat dissipation water pipes 7, the communication pipe 73 is used for communicating the heat dissipation water pipes 7 on the first air conveying pipe 2 and the second air conveying pipe 3, and a water inlet 71 and a water outlet 72 are arranged at the bottom of one end of each heat dissipation water pipe 7 on the second air conveying pipe 3;

handheld grab handle 1 is kept away from one side of cutting shower nozzle is connected with first connector 11 and second connector 12, be linked together between first connector 11 and the second connector 12, be equipped with acetylene valve 13 between second connector 12 and the handheld grab handle 1.

First gas-supply pipe 2 and second gas-supply pipe 3 keep away from the one end of handheld grab handle 1 and are equipped with connecting block 8, be equipped with adjusting device between connecting block 8 and the cutting nozzle 4, adjusting device includes orifice plate 5, be equipped with a plurality of flow hole 51 on the orifice plate 5, flow hole 51 size reduces in proper order, flow hole 51 distributes along the centre of a circle equidistance of orifice plate 5, orifice plate 5 is the gear form, the upper end of orifice plate 5 is equipped with adjusting gear 6, adjusting gear 6 meshes with orifice plate 5 mutually, the fixed regulation pole 61 that is equipped with in adjusting gear 6's lateral wall center, the tip of adjusting pole 61 is equipped with adjusting hand wheel 63.

Communicating pipe 73 is "H" type form, 7 upper portions of heat dissipation water pipe on the first gas-supply pipe 2 are equipped with support 62, adjust pole 61 and wear to establish in support 62, communicating pipe 73 sets to "H" type, has improved the stability between first gas-supply pipe 2 and the second gas-supply pipe 3, and support 62's setting improves the stability of adjusting pole 61, adjusts pole 61 and freely rotates in support 62.

Be equipped with the heat insulating mattress on handheld grab handle 1, the heat insulating mattress bonds on handheld grab handle 1, can separation heat when setting up the skid-proof of heat insulating mattress, improves the security performance of staff's operation.

The utility model discloses a theory of use is: when the device is used, the first connecting port 11 and the second connecting port 12 are connected with a fuel gas tank, then a cutting gun is debugged to be in a ready working state through the high-pressure oxygen valve 21, the mixed gas valve 31 and the acetylene valve 13, then cutting work is started, the adjusting hand wheel 63 is rotated according to needs, the adjusting hand wheel 63 is meshed with the adjusting orifice plate 5 to drive the adjusting orifice plate 5 to rotate, the flow hole 51 in the adjusting orifice plate 5 is overlapped with the cutting nozzle 4, the flow hole 51 with the needed diameter is selected, and the flame diameter sprayed out from the cutting nozzle 4 can be adjusted by adjusting the flow hole 51 in the adjusting orifice plate 5 so as to be used for cutting objects with different thicknesses, and the practicability of the device is improved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides an energy-saving water-cooling type square billet continuous casting heavy flame accident burning torch, includes handheld grab handle (1), its characterized in that: a fixing plate is arranged at one end of the handheld grab handle (1), a first gas pipe (2) is arranged on the side wall of the fixing plate, a second gas pipe (3) is arranged at the bottom of the fixing plate, a high-pressure oxygen valve (21) is arranged between the first gas pipe (2) and the fixing plate, a mixed gas valve (31) is arranged at the top end of the right part of the second gas pipe (3), and a cutting nozzle (4) is fixedly arranged at one end, far away from the fixing plate, of the first gas pipe (2) and the second gas pipe (3);

the heat dissipation water pipe (7) is arranged on the outer peripheral walls of the first air conveying pipe (2) and the second air conveying pipe (3) respectively, the first air conveying pipe (2) and the second air conveying pipe (3) are wrapped by the heat dissipation water pipe (7), a communication pipe (73) is arranged between the heat dissipation water pipes (7), the heat dissipation water pipe (7) on the first air conveying pipe (2) and the second air conveying pipe (3) are communicated by the communication pipe (73), and a water inlet (71) and a water outlet (72) are formed in the bottom of one end of the heat dissipation water pipe (7) on the second air conveying pipe (3);

keep away from handheld grab handle (1) one side of cutting nozzle is connected with first connector (11) and second connector (12), be linked together between first connector (11) and second connector (12), be equipped with acetylene valve (13) between second connector (12) and handheld grab handle (1).

2. The energy-saving water-cooled type heavy flame accident cutting torch for the continuous billet casting according to claim 1, wherein: the one end of keeping away from handheld grab handle (1) is equipped with connecting block (8) first gas-supply pipe (2) and second gas-supply pipe (3), be equipped with adjusting device between connecting block (8) and cutting nozzle (4), adjusting device includes adjusting orifice plate (5), be equipped with a plurality of flow hole (51) on adjusting orifice plate (5), flow hole (51) size reduces in proper order, flow hole (51) are along the centre of a circle equidistance distribution of adjusting orifice plate (5), adjusting orifice plate (5) are the gear form, the upper end of adjusting orifice plate (5) is equipped with adjusting gear (6), adjusting gear (6) and adjusting orifice plate (5) mesh mutually, the fixed regulation pole (61) that is equipped with in lateral wall center of adjusting gear (6), the tip of adjusting pole (61) is equipped with adjusting hand wheel (63).

3. The energy-saving water-cooled type heavy flame accident cutting torch for the continuous billet casting according to claim 2, wherein: the communicating pipe (73) is H-shaped, a support (62) is arranged at the upper part of the heat dissipation water pipe (7) on the first air delivery pipe (2), and the adjusting rod (61) is arranged in the support (62) in a penetrating mode.

4. The energy-saving water-cooled type heavy flame accident cutting torch for the continuous billet casting according to claim 2, wherein: the handheld grab handle is characterized in that a heat insulation pad is arranged on the handheld grab handle (1) and is bonded on the handheld grab handle (1).