CN201944854U - Cutting nozzle - Google Patents
Cutting nozzle Download PDFInfo
- Publication number
- CN201944854U CN201944854U CN2011200340537U CN201120034053U CN201944854U CN 201944854 U CN201944854 U CN 201944854U CN 2011200340537 U CN2011200340537 U CN 2011200340537U CN 201120034053 U CN201120034053 U CN 201120034053U CN 201944854 U CN201944854 U CN 201944854U
- Authority
- CN
- China
- Prior art keywords
- cutting
- nozzle
- oxygen
- aperture
- passage
- 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
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000001301 oxygen Substances 0.000 claims abstract description 44
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 44
- 239000002737 fuel gas Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Gas Burners (AREA)
Abstract
The utility model discloses a cutting nozzle which comprises a cutting nozzle body (1), wherein the cutting nozzle body (1) is provided with a nozzle (2), a preheating oxygen channel (3) and a preheating fuel gas channel (4), the nozzle (2) is internally provided with a cutting oxygen channel (5), the inner wall of the cutting oxygen channel (5) in the nozzle (2) is a smooth wall with an aperture gradually reduced from left to right and then gradually increased. With the adoption of the cutting nozzle, based on aerodynamics, the ''Laval'' nozzle principle is adopted to design the shape of cutting oxygen channel, the cutting oxygen flow rate is effectively improved, and the cutting efficiency is improved, so that cutting seam is made too big to get cutting surfaces with high quality. Meanwhile, due to the improvement of cutting efficiency, the consumption oxygen is also saved.
Description
Technical field:
The utility model relates to the cutting technique field, specifically is the cutting torch of a kind of cutting torch with oxygen-acetylene torch cutting metal spare.
Background technology:
Owing to adopt the efficient height of gas flame cutter, low cost and other advantages, and be widely used in the metalwork cutting field of all kinds of process industries.Gas cutting equipment to metalwork is generally cutting torch, and the key of the quality of cutting torch performance is a cutting torch, and the structure of cutting torch can directly influence efficient, quality and the power consumption situation etc. of gas flame cut workpiece.The cutting oxygen passage that is located at the nozzle in the cutting torch of prior art is generally the ladder line type, described ladder line type cutting oxygen passage is made up of the different part in two sector holes footpath, this two-part junction is stepped, cutting oxygen flows in the part of large aperture earlier, enter the small-bore part then, cutting oxygen is when flowing through two parts junction, the aperture diminishes suddenly, influence the gas flow rate of oxygen, adopt said structure, the cutting oxygen flow velocity is slower, and cutting efficiency is not high, the cutting seam causes quality of cut face not ideal enough greatly, has also increased gas consumption simultaneously.
The utility model content:
The technical problems to be solved in the utility model is, provides that a kind of cutting oxygen flow velocity is fast, cutting efficiency is high, the high cutting torch of saving gas consumption simultaneously of quality of cut face.
Technical solution of the present utility model is, a kind of cutting torch of following structure is provided, comprise the cutting torch body, described cutting torch body is provided with nozzle, preheated oxygen passage and preheated fuel gas passage, be provided with cutting oxygen passage in the described nozzle, cutting oxygen vias inner walls in the described nozzle is a smooth walls, gradually from large to small, changes from small to big from left to right more gradually in its aperture.
Adopt after the above structure compared with prior art, the utlity model has following advantage: adopt the utility model structure, cutting oxygen passage is to be diminished by big slyness gradually, become big by roundlet is sliding then, promptly according to aerodynamics, using the shape of " Lavalle " jet pipe principle design cutting oxygen passage, is cutting oxygen compression and stage of quickening in this process from large to small, and oxygen meets and exceeds velocity of sound gradually in this process; In process from large to small, be in order to eliminate turbulent flow, the parallel ejection of cutting oxygen to be provided with, and then can from nozzle, spray parallel flame; Adopt said structure, improved the flow velocity of cutting oxygen effectively, and then improved cutting efficiency, make the cutting seam be unlikely to excessive, obtain the high cut surface of quality, and because the raising of cutting efficiency, the while has also been saved the gas consumption of oxygen.
As improvement, the maximum diameter of hole of described cutting oxygen passage and minimum-value aperture are all between the 0.6-3 millimeter, in this scope, thickness according to different metallic plates to be cut, the cutting oxygen passage in different apertures is set, can cuts metallic plate effectively, use convenient.
As improvement, the aperture of described preheated oxygen passage is between the 0.65-1.25 millimeter; Gas consumption like this, in this scope, can be saved more in the aperture of described preheated fuel gas passage between the 0.85-1.2 millimeter.
Description of drawings:
Fig. 1 is the structural representation of cutting torch of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram of nozzle.
Shown in the figure: 1, cutting torch body, 2, nozzle, 3, the preheated oxygen passage, 4, the preheated fuel gas passage, 5, cutting oxygen passage.
The specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1 and Figure 2, cutting torch of the present utility model, comprise cutting torch body 1, described cutting torch body 1 is provided with nozzle 2, preheated oxygen passage 3 and preheated fuel gas passage 4, is provided with cutting oxygen passage 5 in the described nozzle 2, and cutting oxygen passage 5 inwalls in the described nozzle 2 are smooth walls, its aperture from left to right gradually from large to small, change from small to big gradually, the variation in its aperture is continuous again, rather than discrete.
The maximum diameter of hole of described cutting oxygen passage 5 and minimum-value aperture are all between the 0.6-3 millimeter; The aperture of described preheated oxygen passage is the 0.65-1.25 millimeter; The aperture of described preheated fuel gas passage is the 0.85-1.2 millimeter.
Cutting oxygen passage is that from large to small process is cutting oxygen compression and stage of quickening gradually, by the large aperture to the small-bore, gas obviously can be compressed, and gas pressure increases and then improved simultaneously the flow velocity of gas, and oxygen meets and exceeds velocity of sound gradually in this process; If have only the above-mentioned stage, then turbulent flow takes place in gas easily, and institute's gas can not be by parallel ejection, in order to eliminate turbulent flow, increase gradually by the small-bore again, this process has been eliminated turbulent phenomenon effectively, make the parallel ejection of cutting oxygen energy, and then can from nozzle, spray parallel flame; Adopt said structure, improved the flow velocity of cutting oxygen effectively, and then improved cutting efficiency, make the cutting seam be unlikely to excessive, obtain the high cut surface of quality, and because the raising of cutting efficiency, the while has also been saved the gas consumption of oxygen.
Below only be described, but can not be interpreted as it is restriction claim with regard to the utility model preferred embodiment.The utility model not only is confined to above embodiment, and its concrete structure allows variation, and in a word, all various variations of being done in the protection domain of the utility model independent claims are all in protection domain of the present utility model.
Claims (3)
1. cutting torch, comprise cutting torch body (1), described cutting torch body (1) is provided with nozzle (2), preheated oxygen passage (3) and preheated fuel gas passage (4), be provided with cutting oxygen passage (5) in the described nozzle (2), it is characterized in that: cutting oxygen passage (5) inwall in the described nozzle (2) is a smooth walls, gradually from large to small, change from small to big from left to right more gradually in its aperture.
2. cutting torch according to claim 1 is characterized in that: the maximum diameter of hole of described cutting oxygen passage (5) and minimum-value aperture are all between the 0.6-3 millimeter.
3. cutting torch according to claim 1 is characterized in that: the aperture of described preheated oxygen passage (3) is between the 0.65-1.25 millimeter; The aperture of described preheated fuel gas passage (4) is between the 0.85-1.2 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200340537U CN201944854U (en) | 2011-01-26 | 2011-01-26 | Cutting nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200340537U CN201944854U (en) | 2011-01-26 | 2011-01-26 | Cutting nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201944854U true CN201944854U (en) | 2011-08-24 |
Family
ID=44472196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200340537U Expired - Fee Related CN201944854U (en) | 2011-01-26 | 2011-01-26 | Cutting nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201944854U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075732A (en) * | 2012-12-25 | 2013-05-01 | 宁波隆兴焊割科技股份有限公司 | Novel oxyhydrogen flame gun |
| CN103591583A (en) * | 2013-11-18 | 2014-02-19 | 宁波隆兴焊割科技股份有限公司 | Injection type tempering-resistant anti-detonation cutting torch |
| CN106180961A (en) * | 2016-08-26 | 2016-12-07 | 江苏亚威机床股份有限公司 | A kind of two-way parallel connection air perforations is with being combined cutting torch |
-
2011
- 2011-01-26 CN CN2011200340537U patent/CN201944854U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075732A (en) * | 2012-12-25 | 2013-05-01 | 宁波隆兴焊割科技股份有限公司 | Novel oxyhydrogen flame gun |
| CN103075732B (en) * | 2012-12-25 | 2015-05-13 | 宁波隆兴焊割科技股份有限公司 | Novel oxyhydrogen flame gun |
| CN103591583A (en) * | 2013-11-18 | 2014-02-19 | 宁波隆兴焊割科技股份有限公司 | Injection type tempering-resistant anti-detonation cutting torch |
| CN103591583B (en) * | 2013-11-18 | 2015-11-18 | 宁波隆兴焊割科技股份有限公司 | A kind of jet absorption type anti-backfire antiknock cutting torch |
| CN106180961A (en) * | 2016-08-26 | 2016-12-07 | 江苏亚威机床股份有限公司 | A kind of two-way parallel connection air perforations is with being combined cutting torch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20110824 Termination date: 20170126 |