CN212227101U

CN212227101U - Gas burning igniting gun

Info

Publication number: CN212227101U
Application number: CN201922180905.2U
Authority: CN
Inventors: 陈建波; 熊德云
Original assignee: Yueyang Lianchuang Thermal Equipment Co ltd
Current assignee: Yueyang Lianchuang Thermal Equipment Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-12-25
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a gas burning torch, including rifle main part subassembly, gas subassembly, ignition module and flame detection subassembly. The gas burning torch takes gas as fuel, and is ignited after being mixed with air, so that the gas burning torch has high working stability, whether the burning torch works normally or not can be detected through a flame probe, and the working state of the burning torch can be monitored in real time; and the gas burning torch has reasonable design, compact structure, convenient use and installation, safety and reliability.

Description

Gas burning igniting gun

Technical Field

The utility model relates to an ignition gun technical field especially relates to a gas ignition gun.

Background

In various types of burners (e.g., regenerative burners, high temperature burners), ignition of the burner is required immediately after the burner is started.

Among them, the burner has the highest requirement on ignition safety. Taking a gas burner as an example: because it involves gas leakage, it may cause a safety hazard of explosion or cause gas loss.

When the existing gas burner is ignited, the existing gas burner is mostly ignited by open fire, and the potential safety hazard of the mode is very large. Because if the ignition is not carried out in time, fuel gas with certain concentration can be formed in a workshop, and the danger of explosion is caused. Even in a ventilated environment, waste of gas resources is caused.

The existing ignition gun is used for ignition, but the existing ignition gun is poor in stability and narrow in application range.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a gas burning torch, this gas burning torch regard as the fuel with the gas, mix the back with the air and ignite for gas burning torch job stabilization nature is high, and can detect whether the burning torch normally ignites the work through the flame probe.

A gas burning torch comprises a torch main body assembly, a gas assembly, an ignition assembly and a flame detection assembly;

the gun main body assembly comprises a gun body and an outer tube, one end of the outer tube is connected with the gun body, the gun body is provided with an air through hole communicated with the outer tube, and an air channel for air transmission is formed between the gun body and the outer tube;

the gas component comprises a gas pipe, the gas pipe is arranged in the outer pipe, one end of the gas pipe is connected with the gun body, a gas through hole communicated with the gas pipe is formed in the gun body, and a gas channel for gas transmission is formed by the gas pipe and the gun body;

the ignition assembly comprises an ignition electrode and a fixed electrode, the ignition electrode and the fixed electrode are fixedly arranged at the tail end of the other end of the gas pipe, and the ignition electrode and the fixed electrode are separated by an ignition distance;

the flame detection assembly comprises a flame probe, wherein a probe part of the flame probe is arranged in an outer pipe at the tail end of a gas pipe and used for detecting whether gas is ignited or not.

Preferably, the device further comprises a gun head, and the gun head is connected with the other end of the outer pipe.

Preferably, the gun head is a cylindrical hollow body, and an inner hole of the hollow body is penetrated in a tapered shape to form a flame jet hole.

Preferably, the gas subassembly still includes the gas nozzle, the gas nozzle is connected with the gas pipe who keeps away from rifle body end, the gas nozzle is for having the cylinder of the conical hole of non-link up, be equipped with a plurality of gas orifice that link up with the hole on the circular conical surface.

Preferably, the flame plate is connected with the other end face of the outer tube, a plurality of swirl slots for air to pass through penetrate through the outer circumference of the flame plate in the radial direction, and a plurality of through holes are formed in the flame plate in the diameter direction.

Preferably, the gas nozzle penetrates the flame plate through the through hole.

Preferably, the fixed electrode is fixedly arranged on the flame plate.

Preferably, the flame probe penetrates through the gun body, and the control end of the flame probe is arranged on the outer side of the gun body.

Preferably, the ignition electrode penetrates through the gun body, and the control end of the ignition electrode is arranged on the outer side of the gun body.

Preferably, an air connector is arranged at the air through hole of the gun body, and a gas connector is arranged at the gas through hole of the gun body.

The beneficial effects of the utility model reside in that: the gas burning torch takes gas as fuel, and is ignited after being mixed with air, so that the gas burning torch has high working stability, whether the burning torch works normally or not can be detected through a flame probe, and the working state of the burning torch can be monitored in real time; and the gas burning torch has reasonable design, compact structure, convenient use and installation, safety and reliability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic sectional view of a gas burning torch;

FIG. 2 is a schematic top cross-sectional view of a gas burning torch;

FIG. 3 is a left side view of the gas burning torch;

FIG. 4 is a right-side view of the gas burning torch;

fig. 5 is a schematic diagram of a flame plate structure of a gas burning torch.

Reference numerals

11 gun head 12 ignition electrode

13 gas nozzle 14 air passage

15 outer pipe 16 gas pipe

17 gun body 18 cutting sleeve

19 gas joint 20 air joint

21 gas channel 22 flame plate

23 fixed electrode 24 flame probe

25 through hole of fixing screw 221

222 swirl groove 121 ignition part

122 ignition control end 241 probe part

242 probe control terminal

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, 2, 3 and 4, a gas burning torch includes a torch body assembly, a gas assembly, an ignition assembly and a flame detection assembly; wherein, rifle main part subassembly includes rifle body 17 and outer tube 15, and the one end and the rifle body 17 of outer tube 15 are connected, and rifle body 17 is opened has the air through hole with outer tube 15 intercommunication, forms the air passage 14 that is used for the air transmission with outer tube 15, and the air can get into outer tube 15 through the air through hole. The gas subassembly includes gas pipe 16, and gas pipe 16 sets up in

outer tube

15, and 16 one ends of gas pipe are connected with the rifle body 17, and it has the gas through-hole with gas pipe 16 intercommunication to open on the rifle body 17, forms the gas passageway 21 that is used for the gas transmission with gas pipe 16, and gas can get into gas pipe 16 through the gas through-hole, and at another end of gas pipe 16, the gas mixes with the air. The ignition assembly comprises an ignition electrode 12 and a fixed electrode 23, the ignition electrode 12 and the fixed electrode 23 are fixedly arranged at the tail end of the other end of the gas pipe 16, and the ignition electrode 12 and the fixed electrode 23 are separated by an ignition distance. The flame detection assembly includes a flame probe 24, and a probe portion 241 of the flame probe 24 is disposed in the outer tube 15 at the distal end of the gas tube 16 for detecting whether the gas is ignited. When the gas burning torch needs to work, air enters the inner tube from the air through hole on the torch body 17, gas enters the gas tube 16 from the gas through hole on the torch body 17, then the air and the gas are mixed at the tail end of the gas tube 16, and the mixed gas is ignited under the combined action of the ignition electrode 12 and the fixed electrode 23. Wherein the flame probe 24 detects whether the mixed gas is ignited. The gas burning torch takes gas as fuel, and is ignited after being mixed with air, so that the gas burning torch has high working stability, whether the burning torch works normally or not can be detected through the flame probe 24, and the working state of the burning torch can be monitored in real time; and the gas burning torch has reasonable design, compact structure, convenient use and installation, safety and reliability. The gun body 17 is a cylinder, one end of the gun body is provided with a frustum, the end connected with the inner tube is provided with two sealing internal threads, one sealing internal thread is in sealing connection with the external thread of the outer tube 15, and the other sealing internal thread is in sealing connection with the external thread of the gas tube 16; thus, the sealing effect is better.

At the end of the outer tube 15 remote from the lance body 17, the outer tube 15 is connected to the lance tip 11. The gun head 11 is a cylindrical hollow body, and an inner hole of the cylindrical hollow body is communicated in a tapered shape to form a flame jet; through the conical flame nozzle, the flame is more concentrated and is not easy to extinguish, and the stability is higher. The gun head 11 is connected with the outer tube 15 in a sealing mode, namely the internal threads of the gun head 11 are connected with the outer tube 15 in a matching mode, and the sealing performance is better.

Wherein, the gas subassembly still includes gas nozzle 13, and gas nozzle 13 is connected with the gas pipe 16 that keeps away from rifle body 17 end, generally through the external screw thread of gas nozzle 13 with gas pipe 16 internal thread connection sealing fit. The gas nozzle 13 is a cylinder with a non-through conical inner hole, and a plurality of gas spray holes communicated with the inner hole are formed in the conical surface; the flow velocity of the fuel gas can be improved through the conical inner hole, the fuel gas is sprayed out through the plurality of fuel gas spray holes in the conical surface, and the mixing degree of the fuel gas and the air is increased.

A flame plate 22 is provided on the open end surface of the outer tube 15, and when the lance tip 11 is provided, the flame plate 22 is provided between the lance tip 11 and the outer tube 15, and the flame plate 22 and the outer tube 15 are engaged with each other. Referring to fig. 5, a plurality of swirl grooves 222, 6 in the figure, are formed through the outer circumference of the flame plate 22 in the radial direction, and the air is introduced from the outer tube 15 through the swirl grooves 222 to be mixed with the gas. The swirl slots 222 disturb the passing air, increasing its turbulence level and improving the mixing of the air and the gas. A plurality of through holes 221 are formed in the flame plate 22 in the radial direction, and as can be seen from fig. 5, there are 3 through holes 221 through which the gas nozzle 13 passes through the flame plate 22 through the through holes 221, the probe portion 241 of the flame probe 24, and the ignition portion 121 of the ignition electrode 12. Wherein, the fixed electrode 23 can also be fixedly arranged on the flame plate 22, which facilitates the installation of the fixed electrode 23.

When the gas igniter is arranged, the flame probe 24 and the ignition electrode 12 penetrate through the whole gas ignition gun, namely, the flame probe 24 penetrates through the gun body 17, and the probe part 241 extends to the tail end of the gas pipe 16 or the gun head 11; the probe control end 242 of the flame probe 24 is disposed outside the gun body 17 for monitoring the ignition status. The ignition electrode 12 penetrates through the gun body 17, and the ignition part 121 extends to the tail end of the gas pipe 16 or the end of the gun head 11 and is opposite to the fixed electrode 23; the ignition control end 122 of the flame probe 24 is disposed outside the gun body 17 to facilitate ignition operation. When setting up flame probe 24, ignition electrode 12 and being connected with the rifle body 17, set up cutting ferrule 18 in the junction, cutting ferrule 18 generally sets up to elastic cutting ferrule 18, installs at rifle body 17 rear end face, and ignition electrode 12 constitutes for high temperature resistant metal material and high temperature resistant insulating porcelain pipe. The flame probe 24 and the ignition electrode 12 are arranged in the elastic clamping sleeve 18 and are locked and fixed by the locking nut of the elastic clamping sleeve 18, so that the flame probe 24 and the ignition electrode 12 can be replaced quickly. Preferably, the flame probe 24 is used to detect whether the ignition gun is firing, and if the ignition gun is not firing within a set time, the control system will alarm and automatically close the gas valve to provide a safety protection. A fixing screw 25 is mounted on the rear end surface of the gun body 17 to fix the zero line in the control circuit.

An air fitting 20 is typically provided at the air vent of the gun body 17 to control the rate of air entry and provide sufficient oxygen. The gas joint 19 is arranged at the gas through hole of the gun body 17 and can be directly butted with a gas source to supplement gas.

The gas burning torch has reasonable design, compact structure, convenient use and installation, safety and reliability, and is a necessary device for realizing the automatic control of a combustion system; the flame is stable, the length of the flame is adjustable, and the burner is suitable for various types of burners; can be suitable for gas burners of various specifications. A plurality of small holes on the conical surface of the front end of the gas nozzle 13 are communicated with the inner hole, and the gas flow is limited according to the maximum flow of the ignition gun and can be matched with the theoretical air quantity. The mounting structure of the ignition electrode 12 and the flame probe 24 adopts the elastic clamping sleeve 18, so that the quick replacement can be realized.

The embodiment of the utility model provides a can adjust, merge and delete according to actual need in proper order.

The embodiment introduces the scheme in detail, and the structure principle and the implementation mode of the invention are explained by applying a specific example, and the above embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A gas burning torch, characterized in that: the flame-retardant gas burner comprises a gun main body assembly, a gas assembly, an ignition assembly and a flame detection assembly;

2. The gas burning torch as set forth in claim 1, wherein: the device also comprises a gun head, and the gun head is connected with the other end of the outer pipe.

3. The gas burning torch as set forth in claim 2, wherein: the gun head is a cylindrical hollow body, and an inner hole of the hollow body is communicated in a tapered shape to form a flame jet.

4. The gas burning torch as set forth in claim 1, wherein: the gas component further comprises a gas nozzle, the gas nozzle is connected with a gas pipe far away from the gun body end, the gas nozzle is a cylinder with a non-through conical inner hole, and a plurality of gas spray holes communicated with the inner hole are formed in the conical surface.

5. The gas burning torch as set forth in claim 4, wherein: the flame plate is connected with the other end face of the outer tube, a plurality of swirl grooves for air to pass through penetrate through the outer circumference of the flame plate in the radial direction, and a plurality of through holes are formed in the flame plate in the diameter direction.

6. The gas burning torch as set forth in claim 5, wherein: the gas nozzle penetrates through the flame plate through the through hole.

7. The gas burning torch as set forth in claim 5, wherein: the fixed electrode is fixedly arranged on the flame plate.

8. The gas burning torch as set forth in claim 1, wherein: the flame probe penetrates through the gun body, and the probe control end is arranged on the outer side of the gun body.

9. The gas burning torch as set forth in claim 1, wherein: the ignition electrode penetrates through the gun body, and the ignition control end is arranged on the outer side of the gun body.

10. The gas burning torch as set forth in claim 1, wherein: an air connector is arranged at the air through hole of the gun body, and a gas connector is arranged at the gas through hole of the gun body.