CN208124290U - A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas - Google Patents

A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas Download PDF

Info

Publication number
CN208124290U
CN208124290U CN201721923289.XU CN201721923289U CN208124290U CN 208124290 U CN208124290 U CN 208124290U CN 201721923289 U CN201721923289 U CN 201721923289U CN 208124290 U CN208124290 U CN 208124290U
Authority
CN
China
Prior art keywords
natural gas
runner
oxygen
welding torch
fire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721923289.XU
Other languages
Chinese (zh)
Inventor
龚益平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Pujiang Peak Pipeline Gas Co Ltd
Original Assignee
Zhejiang Pujiang Peak Pipeline Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Pujiang Peak Pipeline Gas Co Ltd filed Critical Zhejiang Pujiang Peak Pipeline Gas Co Ltd
Priority to CN201721923289.XU priority Critical patent/CN208124290U/en
Application granted granted Critical
Publication of CN208124290U publication Critical patent/CN208124290U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Nozzles (AREA)

Abstract

The utility model discloses a kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas, the cutting and welding torch includes the tip being sequentially connected, gun barrel, adapter, fire arrester, and fire arrester connects natural gas tube and oxygen hose;Its preceding ontology is equipped with natural gas runner, oxygen runner, mixing chamber, and rear ontology is equipped with spray chamber;Natural gas runner which is provided with natural gas check-valves;Oxygen runner, which is provided with oxygen check valve;Mixing chamber, it is interior to be equipped with the annular spray set being connected to natural gas runner, the central injection pipe being connected to oxygen runner is equipped in annular spray set;Spray chamber, it is interior to be equipped with back-fire relief disk.The utility model adapts to the use of low pressure heavy caliber and big flow, it being capable of prolonged use, it is equipped with the component of multiple tempering back-fire reliefs simultaneously, effectively increase the performance of tempering back-fire relief, long term high temperature uses meeting forced interruption natural gas supply between time-out, contingency occurrence probability is greatly reduced, while also there is the advantages of energy-efficient, low noise.

Description

A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas
Technical field
The utility model relates to natural gas cutting welding gun technical fields, and in particular to a kind of efficient section using low pressure natural gas It can noise reduction cutting and welding torch.
Background technique
It is populated with a large amount of big and small crystal processing industries in Pujiang crystal Industry Agglomeration garden, is needed in crystal process Natural gas and oxygen are used as burning fuel, the high temperature generated when using cutting and welding torch by natural gas and oxygen combustion come Melt crystal, and crystal softened, but the cutting and welding torch of the prior art and it is amateur be used to processing crystal, be only processed water Brilliant industry borrows, and there are following disadvantages:Be that bore is smaller first, lack the cutting and welding torch of big flow, this disadvantage mainly by To the limitation of fire arrester, the flow and bore of prior art fire arrester are smaller, increase flow and bore, it is necessary to change fire arrester Structure.Secondly, being different from the intermittent use of common cutting and welding torch, crystal processing needs to use cutting and welding torch, part work for a long time People also continues to use when solder cutting gun overheats or environment temperature is higher, is easy to happen the tempering back-fire relief structure because of cutting and welding torch The accident damaged and exploded.Finally, the cutting and welding torch of the prior art is inefficient, operation noise is larger.Therefore, it is badly in need of It develops a kind of crystal that is suitable for and processes operating condition, heavy caliber big flow, Fire resistances are excellent cuts for energy-efficient, low noise tempering Welding gun.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of height using low pressure natural gas Imitate energy-saving and noise-reducing cutting and welding torch.There is provided it is a kind of adapt to low pressure heavy caliber and big flow use, can prolonged use, simultaneously Component equipped with multiple tempering back-fire reliefs, effectively increases the performance of tempering back-fire relief, while being provided with made of low-melting-point metal Back-fire relief orifice plate, time-out between long term high temperature using can forced interruption natural gas supply, greatly reduce contingency occurrence probability, simultaneously also With energy-efficient, the advantages of low noise.
The utility model specific technical solution is as follows:
A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas, the cutting and welding torch include the tip being sequentially connected, Gun barrel, adapter, fire arrester, fire arrester connect natural gas tube and oxygen hose;
Above-mentioned fire arrester includes preceding ontology and rear ontology, and above-mentioned preceding ontology is equipped with natural gas runner, oxygen runner, mixing Chamber, above-mentioned rear ontology are equipped with spray chamber;Natural gas runner which is provided with natural gas check-valves and the first back-fire relief orifice plate;Oxygen Runner which is provided with oxygen check valve and the second back-fire relief orifice plate;
Mixing chamber, in be equipped with the annular spray set that be connected to natural gas runner, above-mentioned annular spray cover in be equipped with and oxygen The central injection pipe of flow channel connection;Spray chamber, it is interior to be equipped with back-fire relief disk.Adjusting is additionally provided in spray chamber after above-mentioned on ontology Valve.ACV Air Cut Valve is additionally provided on the natural gas runner.
Preferably, above-mentioned natural gas check-valves is identical with oxygen check valve structure, it include fastening cones and locking bullet Spring.
Preferably, being additionally provided with mixing impeller in above-mentioned spray chamber.Above-mentioned annular spray set includes annular groove, above-mentioned annular groove Inner wall even distribution is equipped with multiple radial mix apertures.
Preferably, above-mentioned annular spray set is plugged on flow distribution plate side and the natural stomata by being arranged on flow distribution plate It is connected with natural gas runner, the above-mentioned flow distribution plate other side holds out against above-mentioned locking spring;Above-mentioned center injection pipe runs through above-mentioned shunting Plate, and be connected to by intercommunicating pore with oxygen runner.
The utility model tool has the advantage that:
1. its can prolonged use, while being equipped with the components of multiple tempering back-fire reliefs, effectively increase tempering back-fire relief Performance.
2. being provided with the back-fire relief orifice plate made of low-melting-point metal, long term high temperature uses meeting forced interruption natural gas between time-out Gas supply.
3. greatly reducing contingency occurrence probability.
4. being provided with small-sized mixing impeller, mixing is more evenly.
5. heavy caliber is arranged, so that flow is more abundant, heating time is shorter, and processing efficiency is higher.
6. structure design is more reasonable, the use of low pressure natural gas can satisfy, while the pipeline that entire solder cutting gun generates is made an uproar Sound is lower.
Detailed description of the invention
Fig. 1 is the cutting and welding torch schematic diagram of the utility model.
Fig. 2 is the fire arrester figure of the utility model.
Fig. 3 is the utility model mixing impeller schematic diagram.
Fig. 4 is the schematic diagram of the first and second back-fire relief of the utility model orifice plate.
Specific embodiment
Reference attached drawing,
A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas, the cutting and welding torch includes the tip being sequentially connected 22, gun barrel 18, adapter 19, fire arrester, fire arrester connect natural gas tube 20 and oxygen hose 21;19 both ends of adapter are equipped with company Screw thread is connect, gun barrel and tip are convenient for changing.
Fire arrester includes preceding ontology 16 and rear ontology 17, and preceding ontology is equipped with natural gas runner 1, oxygen runner 2, mixing chamber 3, rear ontology is equipped with spray chamber 4;Natural gas runner 1 which is provided with natural gas check-valves and the first back-fire relief orifice plate 24;Oxygen stream Road 2 which is provided with oxygen check valve and the second back-fire relief orifice plate 25;
Mixing chamber 3, in be equipped with the annular spray set that be connected to natural gas runner 1, annular spray cover in be equipped with and oxygen The central injection pipe 5 that runner 2 is connected to;Spray chamber 4, it is interior to be equipped with back-fire relief disk 6.Back-fire relief disk is by corrugated plating or thin steel strip coiling Plate-like is filled in again in spray chamber 4, and gap constitutes ventilation gap between corrugated plating, and existing market is on sale.
It is additionally provided with control valve 7 in the spray chamber 4 on ontology afterwards, can be ball valve or other valves.It is described natural ACV Air Cut Valve 23 is additionally provided on flow channel.
Natural gas check-valves is identical with oxygen check valve structure, includes fastening cones 8 and locking spring 9.
Mixing impeller 10 is additionally provided in spray chamber 4.Small-sized mixing impeller can rotate, and modular assembly is to spray It penetrates in chamber, generally comprises at least one axis 101 with impeller 103,101 both ends of axis are connected by bearing 102 with bracket 104, are propped up Frame 104 is spoke-like, is mounted in spray chamber.
Annular spray set is plugged on 11 side of flow distribution plate and by the natural stomata 12 that is arranged on flow distribution plate 11 and natural Flow channel 1 is connected, and 11 other side of flow distribution plate holds out against locking spring 9;Central injection pipe 5 runs through flow distribution plate 11, and passes through intercommunicating pore 13 are connected to oxygen runner 2.
Annular spray set includes annular groove 14, and the inner wall even distribution of annular groove 14 is equipped with multiple radial mix apertures 15.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair For those skilled in the art, several improvements and modifications without departing from the principle of the utility model, These improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (4)

1. a kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas, it is characterised in that:
The cutting and welding torch includes the tip being sequentially connected, gun barrel, adapter, fire arrester, and fire arrester connects natural gas tube and oxygen Pipe;
The fire arrester includes preceding ontology and rear ontology, and the preceding ontology is equipped with natural gas runner, oxygen runner, mixing chamber, Ontology is equipped with spray chamber after described;
Natural gas runner which is provided with natural gas check-valves and the first back-fire relief orifice plate;
Oxygen runner which is provided with oxygen check valve and the second back-fire relief orifice plate;
Mixing chamber, in be equipped with the annular spray set that be connected to natural gas runner, the annular spray cover in be equipped with and oxygen stream The central injection pipe of road connection;
Spray chamber, it is interior to be equipped with back-fire relief disk;Control valve is additionally provided in spray chamber after described on ontology;
ACV Air Cut Valve is additionally provided on the natural gas runner.
2. a kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas according to claim 1, it is characterised in that:Institute It is identical with oxygen check valve structure to state natural gas check-valves, includes fastening cones and locking spring.
3. a kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas according to claim 1, it is characterised in that:Institute It states and is additionally provided with mixing impeller in spray chamber;The annular spray set includes annular groove, and the inner wall even distribution of the annular groove is equipped with multiple diameters To mix aperture.
4. a kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas according to claim 2, it is characterised in that:Institute It states annular spray set and is plugged on flow distribution plate side, so that annular spray set passes through the natural stomata and natural gas runner on flow distribution plate It is connected, the flow distribution plate other side holds out against the locking spring;The central injection pipe runs through the flow distribution plate, and passes through connection Hole is connected to oxygen runner.
CN201721923289.XU 2017-12-31 2017-12-31 A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas Expired - Fee Related CN208124290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721923289.XU CN208124290U (en) 2017-12-31 2017-12-31 A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721923289.XU CN208124290U (en) 2017-12-31 2017-12-31 A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas

Publications (1)

Publication Number Publication Date
CN208124290U true CN208124290U (en) 2018-11-20

Family

ID=64209443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721923289.XU Expired - Fee Related CN208124290U (en) 2017-12-31 2017-12-31 A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas

Country Status (1)

Country Link
CN (1) CN208124290U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111702290A (en) * 2020-08-24 2020-09-25 广东技术师范大学 A accessory flame cutting equipment for machining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111702290A (en) * 2020-08-24 2020-09-25 广东技术师范大学 A accessory flame cutting equipment for machining

Similar Documents

Publication Publication Date Title
CN208124290U (en) A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas
CN210145368U (en) Spiral-flow type fire-fighting lance
CN207898784U (en) A kind of big flow heavy caliber natural gas spark arrester for crystal processing
CN87101162A (en) A kind of tapping equipment of the combustion gas turbine that constitutes by sprayer
CN204724352U (en) A kind of energy-saving environmental protection multifunction spray gun
CN201462114U (en) Slow-closure axial-flow check valve
CN105756653B (en) Nozzle and gas injection device with same
CN205742927U (en) A kind of novel building spraying equipment
CN213104965U (en) Gas brazing welding gun
CN207287842U (en) A kind of top layer spraying equipment for 275C alloys
CN211423684U (en) Single-stage porous pressure-reducing, shock-absorbing and noise-reducing orifice plate throttling device
CN208832118U (en) A kind of biogas, natural gas balancer
CN207831352U (en) A kind of natural gas for crystal processing is tempered back-fire relief structure
CN208074944U (en) Modified form air atomizing oil atomizer gun
CN203221042U (en) Air water dual-purpose dust blowing gun
CN205079231U (en) Combustor heavy oil atomizing device
CN109876950A (en) A kind of atomizer
CN208194851U (en) A kind of cooling powder feeding auxiliary member of spraying
CN200968607Y (en) Oil spraying gun with security protection and adjustable atomizing angular
CN209688854U (en) A kind of spray gun device for industrial waste acid burning processing
CN2906341Y (en) Fuel-injection nozzle for fuel oil type cremation machine and fuel oil type blast gun using same
CN211799652U (en) Atomizing dust removal device
CN2491668Y (en) Overcurrent safety protector for compressed gas
CN204829092U (en) Notes membrane falls and hinders device
CN2428694Y (en) Double-cyclone low-pressure jet burner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181120

Termination date: 20191231