CN105333431A - Device for cutting steel through natural gas and oxygen mixed flames - Google Patents
Device for cutting steel through natural gas and oxygen mixed flames Download PDFInfo
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- CN105333431A CN105333431A CN201410402675.9A CN201410402675A CN105333431A CN 105333431 A CN105333431 A CN 105333431A CN 201410402675 A CN201410402675 A CN 201410402675A CN 105333431 A CN105333431 A CN 105333431A
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- natural gas
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Abstract
The invention discloses a device for cutting steel through natural gas and oxygen mixed flames. The device comprises a cutting mouth head and a cutting mouth sleeve, and is characterized in that the gas outflow section of the cutting mouth head is sleeved with a cutting mouth, and a cutting oxygen hole is formed in the middle of the cutting mouth head; the cutting mouth head comprises a gas inflow section, a mixing section and the gas outflow section, and the gas inflow section is provided with three conical steps which are the cutting oxygen step, the preheating oxygen step and the natural gas step respectively; multiple preheating oxygen inlet holes are drilled in the preheating oxygen step and communicated with mixing holes of the mixing section; and multiple natural gas inlet holes are drilled in the natural gas step and communicated with the mixing holes of the mixing section. The process is advanced, fuel, oxygen and the steel are saved, environment friendliness is achieved, and meanwhile, the device is further suitable for steel flame cutting, continuous casting, steel structure correcting, gas welding and other work.
Description
Technical field
The present invention relates to a kind of device utilizing natural gas and oxygen mix flame cutting steels.
Background technology
Present gas flame cuttiug gas great majority are mainly acetylene, propane, liquefied gas, oxyhydrogen etc., and the calorific value of gas is high general all more than 12000 kilocalories/cubic meter; It is large all to there is gas consumption in used exterior mixing cutting torch, supersonic speed cutting torch, and corresponding CO2 emission is also large, and steel slot is at 8 20mm, and in cutting, over-emitting black exhaust, noise are greatly, the shortcomings such as cutting rear steel upper limb turned-down edge, lower edge dross; Although and natural gas low price, about its calorific value only has 8500 kilocalories/cubic meter, adopt current cutting torch cutting will increase more gas consumption, and steel loss is quite large, the order ground of energy-saving and emission-reduction and consumption reduction can not be reached.
Summary of the invention
For solving above-mentioned existing shortcoming, main purpose of the present invention is the device utilizing natural gas and oxygen mix flame cutting steels providing a kind of practicality, technique is advanced, saving fuel, oxygen and steel, is also applicable to the work such as flame cutting steels, continuous casting billet, steel construction rectification, gas welding while environmental protection.
For reaching above-described object, a kind of device of natural gas and oxygen mix flame cutting steels that utilizes of the present invention takes following technical scheme:
A kind of device utilizing natural gas and oxygen mix flame cutting steels, comprise cutting torch head and cutting torch cover, it is characterized in that, described cutting torch is sleeved on the air outlet section of cutting torch head, described cutting torch centriciput is provided with cutting oxygen hole, cutting torch head comprises air inlet section, mixing section and air outlet section, air inlet section is provided with three conical platform rank, cutting oxygen step respectively, preheat oxygen step and natural gas step, preheat oxygen step is drilled with several preheat oxygen air admission holes, preheat oxygen air admission hole is connected with the mix aperture of mixing section, natural gas step is drilled with several natural gas air admission holes, natural gas air admission hole is connected with the mix aperture of mixing section, preheat oxygen pneumatic trough is provided with between cutting oxygen step and preheat oxygen step, natural gas collecting groove is provided with between preheat oxygen step and natural gas step, mixing section is provided with the mix aperture of preheat oxygen and natural gas and the mixing channel of preheat oxygen and natural gas, preheat oxygen is connected with air inlet section with the mix aperture of natural gas, preheat oxygen is connected with air outlet section with the mixing channel of natural gas, the gaseous mixture outgassing groove of some preheat oxygens and natural gas is axially provided with around air outlet section cylindrical, cutting torch cover middle part hollow, there is through hole, cutting torch cover rear end is provided with assembling step.
The cutting oxygen aperture of described air inlet section and the cutting oxygen aperture ratio of air outlet section are 1:0.2 0.5, the described cutting torch cover through-hole aperture of rear end and the through-hole aperture ratio of front end are 10.6 0.9, described preheat oxygen air admission hole and the air admission hole of natural gas are respectively arranged with 8 12, described preheat oxygen and the mix aperture of natural gas are provided with 8 12, and the gaseous mixture outgassing groove of described preheat oxygen and natural gas is provided with 8 18.
Adopt the present invention of as above technical scheme, there is following beneficial effect:
Present invention process is advanced, saving fuel, oxygen and steel, is also applicable to the work such as flame cutting steels, continuous casting billet, steel construction rectification, gas welding while environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is cutting torch head schematic diagram of the present invention.
Fig. 3 is cutting torch head B-B sectional view of the present invention.
Fig. 4 is cutting torch head C-C sectional view of the present invention.
Fig. 5 is cutting torch head D direction view of the present invention.
Fig. 6 is cutting torch head E direction view of the present invention.
Fig. 7 is cutting torch nested structure schematic diagram of the present invention.
Detailed description of the invention
In order to further illustrate the present invention, be described further below in conjunction with accompanying drawing:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of device utilizing natural gas and oxygen mix flame cutting steels of the present invention, comprise cutting torch head 1 and cutting torch cover 2, cutting torch cover 2 is contained in the air outlet section of cutting torch head 1.Be provided with cutting oxygen hole 4,14 in the middle part of cutting torch head 1, the cutting oxygen aperture, hole 4 of air inlet section and aperture, cutting oxygen hole 14 ratio of air outlet section are 1:0.2 0.5; Cutting torch head 1 comprises air inlet section, mixing section and air outlet section, air inlet section is provided with three conical platform rank, cutting oxygen step 3, preheat oxygen step 6 and natural gas step 10 respectively, preheat oxygen step 6 is drilled with several preheat oxygen air admission holes 7, and preheat oxygen air admission hole 7 is connected with the mix aperture 11 of natural gas with the preheat oxygen of mixing section; Natural gas step 10 is drilled with several natural gas air admission holes 9, and natural gas air admission hole 9 is connected with the mix aperture 11 of mixing section; Be provided with preheat oxygen pneumatic trough 5 between cutting oxygen step 3 and preheat oxygen step 6, preheat oxygen step 6 and natural gas close between rank 10 and are provided with natural gas collecting groove 8; Mixing section is provided with the mix aperture 11 of preheat oxygen and natural gas and the mixing channel 12 of preheat oxygen and natural gas, and preheat oxygen is connected with air inlet section with the mix aperture 11 of natural gas, and preheat oxygen is connected with air outlet section with the mixing channel 12 of natural gas; The gaseous mixture outgassing groove 13 of some preheat oxygens and natural gas is axially provided with around air outlet section cylindrical.The air admission hole 9 of preheat oxygen air admission hole 7 and natural gas is respectively arranged with 8 12, and the mix aperture 11 of preheat oxygen and natural gas is provided with 8 12, and the gaseous mixture outgassing groove 13 of preheat oxygen and natural gas is provided with 8 18.Hollow in the middle part of cutting torch cover 2, has through hole; Cutting torch overlaps through hole 16 aperture of 2 rear ends and the through hole 17 aperture ratio of front end is 1:0.6 0.9; Cutting torch cover rear end be provided with assembling step 15, for cutting torch and cutting torch assembly connection fastening.Cutting torch head 1 and cutting torch cover 2 adopt T3 red copper material to form.Cutting torch overlaps 2 chrome-faceds.
Claims (2)
1. one kind utilizes the device of natural gas and oxygen mix flame cutting steels, comprise cutting torch head and cutting torch cover, it is characterized in that, described cutting torch is sleeved on the air outlet section of cutting torch head, described cutting torch centriciput is provided with cutting oxygen hole, cutting torch head comprises air inlet section, mixing section and air outlet section, air inlet section is provided with three conical platform rank, cutting oxygen step respectively, preheat oxygen step and natural gas step, preheat oxygen step is drilled with several preheat oxygen air admission holes, preheat oxygen air admission hole is connected with the mix aperture of mixing section, natural gas step is drilled with several natural gas air admission holes, natural gas air admission hole is connected with the mix aperture of mixing section, preheat oxygen pneumatic trough is provided with between cutting oxygen step and preheat oxygen step, natural gas collecting groove is provided with between preheat oxygen step and natural gas step, mixing section is provided with the mix aperture of preheat oxygen and natural gas and the mixing channel of preheat oxygen and natural gas, preheat oxygen is connected with air inlet section with the mix aperture of natural gas, preheat oxygen is connected with air outlet section with the mixing channel of natural gas, the gaseous mixture outgassing groove of some preheat oxygens and natural gas is axially provided with around air outlet section cylindrical, cutting torch cover middle part hollow, there is through hole, cutting torch cover rear end is provided with assembling step.
2. a kind of device utilizing natural gas and oxygen mix flame cutting steels according to claim 1, it is characterized in that, the cutting oxygen aperture of described air inlet section and the cutting oxygen aperture ratio of air outlet section are 1:0.2 0.5, the described cutting torch cover through-hole aperture of rear end and the through-hole aperture ratio of front end are 10.6 0.9, described preheat oxygen air admission hole and the air admission hole of natural gas are respectively arranged with 8 12, described preheat oxygen and the mix aperture of natural gas are provided with 8 12, and the gaseous mixture outgassing groove of described preheat oxygen and natural gas is provided with 8 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402675.9A CN105333431A (en) | 2014-08-17 | 2014-08-17 | Device for cutting steel through natural gas and oxygen mixed flames |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402675.9A CN105333431A (en) | 2014-08-17 | 2014-08-17 | Device for cutting steel through natural gas and oxygen mixed flames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333431A true CN105333431A (en) | 2016-02-17 |
Family
ID=55284115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410402675.9A Withdrawn CN105333431A (en) | 2014-08-17 | 2014-08-17 | Device for cutting steel through natural gas and oxygen mixed flames |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333431A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237480A (en) * | 2018-09-07 | 2019-01-18 | 东北大学 | A kind of dedicated eddy flow cutting flame cutting torch of high-energy liquefied natural gas and application |
| CN109237481A (en) * | 2018-09-07 | 2019-01-18 | 东北大学 | A kind of dedicated cutting torch of high-energy liquefied natural gas and application |
| WO2019114184A1 (en) * | 2017-12-13 | 2019-06-20 | 代纪东 | Effect-increasing and energy-saving cutting method for continuous casting steel blank |
-
2014
- 2014-08-17 CN CN201410402675.9A patent/CN105333431A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114184A1 (en) * | 2017-12-13 | 2019-06-20 | 代纪东 | Effect-increasing and energy-saving cutting method for continuous casting steel blank |
| CN109237480A (en) * | 2018-09-07 | 2019-01-18 | 东北大学 | A kind of dedicated eddy flow cutting flame cutting torch of high-energy liquefied natural gas and application |
| CN109237481A (en) * | 2018-09-07 | 2019-01-18 | 东北大学 | A kind of dedicated cutting torch of high-energy liquefied natural gas and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160217 |