CN102049359B - Spray gun and multi-fluid spray gun device provided with same - Google Patents
Spray gun and multi-fluid spray gun device provided with same Download PDFInfo
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- CN102049359B CN102049359B CN2011100006771A CN201110000677A CN102049359B CN 102049359 B CN102049359 B CN 102049359B CN 2011100006771 A CN2011100006771 A CN 2011100006771A CN 201110000677 A CN201110000677 A CN 201110000677A CN 102049359 B CN102049359 B CN 102049359B
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Abstract
The invention discloses a spray gun, which comprises a gun head, wherein the gun head comprises a first tube, a second tube, a through hole tube, an air inlet tube and an air inlet seat; the first tube is sleeved outside the second tube; the first end of the second tube is a preset distance away from the first end of the first tube; the through hole tube is provided with a plurality of axial through holes; a second channel is defined among the first tube, the second tube and the through hole tube; the inner cavity of the second tube and a plurality of through holes define a first channel; the air inlet pipe is in fluid communication with the second channel; the air inlet seat is connected with the second tube and is provided with an air inlet channel; and the air inlet channel is in fluid communication with the first channel. According to the spray gun of the embodiment of the invention, sprayed air is uniform, a first fluid does not need distributing too early before being sprayed out of the spray gun but is distributed from the through hole tube, so that flow resistance is lowered, and energy consumption is reduced. The invention also discloses a multi-fluid spray gun device provided with the spray gun.
Description
Technical field
The present invention relates to field of smelting, especially relate to a kind of spray gun and multithread spray gun body device with it.
Background technology
The rifle head of traditional spray gun that is used for the oxygen bottom blowing copper smelter has outer tube, interior pipe and multilayer pipe, and outer tube sleeve and is arranged with multilayer pipe in the fluid ejection end of the rifle head of interior pipe outside interior pipe.Be formed with a plurality of grooves upwards isolated in week, that longitudinally connect on the periphery wall of every layer of pipe in the multilayer pipe respectively; Thus; Slit between outer tube and the interior pipe limits outer layer channel, and the groove of the cavity of interior pipe and every layer of pipe of multilayer pipe limits the internal layer passage jointly.
Above-mentioned conventional gun head is owing to forming through pipe box is located at together, and the concentricity between each pipe is difficult for guaranteeing, thereby the area of feasible each gas passage that forms is inhomogeneous, and then makes that the gas of spray gun ejection is inhomogeneous, influences jeting effect.In addition, because gas promptly begins in the end away from the rifle head of interior pipe to distribute, distribute so too early to make gas bigger in the loss of through hole internal resistance, the supply gas pressure loss is also bigger, causes energy consumption to increase.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
For this reason, one object of the present invention is to propose a kind of spray gun, and the fluid that said lance ejection goes out is even, energy consumption is little.
Another object of the present invention is to propose a kind of multithread spray gun body device, and the said multithread spray gun body device fluid that goes out multiple fluid and eject capable of simultaneous injection is even, energy consumption is little.
A kind of spray gun according to first aspect present invention embodiment comprises: the rifle head, and said rifle head comprises: first pipe; Second pipe, wherein said first pipe box is located at said second tube outside, and first end of first end of second pipe and first pipe is at a distance of preset distance; And through-hole pipe; Said through-hole pipe has a plurality of axially extending bores; Second end of said through-hole pipe link to each other with first end of said second pipe coaxially and said through-hole pipe between first end that first end and first of said second pipe is managed; Limit second channel between wherein said first pipe and second pipe and the through-hole pipe, inner chamber and said a plurality of through hole of said second pipe limit first passage; Air inlet pipe, said air inlet pipe is communicated with in second channel, to send into second fluid with said second channel fluid; And air inlet seat, said air inlet seat links to each other with said second pipe and has inlet channel, and said inlet channel is communicated with in first passage, to send into first fluid with said first passage fluid.
Spray gun according to the embodiment of the invention; Owing to have a plurality of axially extending bores in the through-hole pipe; Avoided conventional lance rifle head that pipe box is located at a time-out concentricity and be difficult for the defective that guarantees, it is even to make first fluid spray the area of each gas passage of process, and then makes that the gas of spray gun ejection is even.In addition, first fluid does not need to distribute prematurely when ejecting spray gun, but just begins to distribute at the through-hole pipe place, thereby has reduced flow resistance, and supply gas pressure also can reduce, thereby has reduced energy consumption, and has prolonged the service life of spray gun.
In addition, also have following additional technical feature according to spray gun of the present invention:
Said first pipe is coaxial with second pipe and through-hole pipe, can make fluid spray evenly.
The length of said through-hole pipe is 100-800mm.
Said first pipe, second pipe and through-hole pipe have circular cross section.
Be formed with on the whole length that extends in through-hole pipe vertically on the periphery wall of said through-hole pipe and at isolated many grooves that make progress in week.
Wherein, the cross section of said groove is rectangular or semicircle.
Alternatively, the groove on the said through-hole pipe is along circumferentially evenly distributing.Through adopting form of grooves, be the disperse shape in the time of can making second fluid ejection spray gun, spray evenly.
Through hole in the said through-hole pipe comprises central through hole and a plurality of periphery through holes that are provided with around central through hole.
Alternatively, said periphery through hole is distributed on a plurality of concentric circles, and the periphery through hole on each concentric circles is along circumferentially evenly distributing.
Further alternatively, said a plurality of concentric circles evenly distributes diametrically.
According to the spray gun of the embodiment of the invention, first is even with the outside injection of first fluid, good mixing effect.In addition, second pipe and through-hole pipe are processed then separately and are linked into an integrated entity, rather than are made into integration, if therefore be worn in use for some time, only need change through-hole pipe, thereby reduce cost.
The cross-sectional area of the inlet channel of said air inlet seat diminishes towards first end from second end of air inlet seat gradually, and second end of its first end and said second pipe is connected, so that reduction windage loss when second fluid gets into this inlet channel.
Alternatively, said inlet channel is coaxial with said first passage.
Said spray gun further comprises inlet box, and said inlet box is connected in first end and the said inlet box of said air inlet seat and is formed with the wind chamber, and said wind chamber is communicated with said air inlet pipe and second channel.Through the wind chamber is set between air inlet pipe and second channel, can makes first fluid before getting into second channel, in the wind chamber, be evenly distributed earlier, thereby can evenly eject spray gun.
Alternatively, second end of said second pipe is threaded with first end of said air inlet seat and first end of said inlet box is set in first second end of managing through being threaded, and said air inlet pipe is connected on the lateral wall of inlet box.
Said spray gun further comprises positioner, and said positioner comprises: first pipe that fixed mount, said fixed mount are set in said spray gun rifle head is gone up and is suitable for being fixed on the melting body of heater; Lasso, said lasso are located between the said fixed mount and first pipe and with said fixed mount and fix; And puller bolt, said puller bolt passes said lasso and holds out against said first pipe so that said spray gun is fixed on the melting body of heater.
According to the spray gun of the embodiment of the invention,, make the rifle head to move vertically through detent mechanism is set; Consuming time when first damaged on end of rifle head, can unclamp puller bolt and the rifle head is moved predetermined length with electrode compensation to first end vertically, and not need to change again; Provide cost savings, reduce waste.
A kind of multithread spray gun body device according to second aspect present invention embodiment comprises: according to the spray gun described in the first aspect present invention embodiment; And the 3rd fluid hose, said the 3rd fluid hose is communicated with said second channel fluid and is used in second channel, sending into the 3rd fluid.
According to the multithread spray gun body device of the embodiment of the invention, applicable to spraying multiple fluid simultaneously, in the fusion process for use in the various fluids of needs.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the cutaway view according to the spray gun of the embodiment of the invention, and said spray gun sprays first and second fluids;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 be among Fig. 1 B-B to cutaway view;
Fig. 4 be among Fig. 1 C-C to cutaway view; And
Fig. 5 is the cutaway view according to the multithread spray gun body device of the embodiment of the invention.
Reference numeral:
100, rifle head;
110, first pipe; 120, second pipe; 130, through-hole pipe;
140, first passage; 150, second channel;
200, air inlet pipe; 300, air inlet seat;
400, inlet box; 500, positioner; 600, the 3rd fluid hose
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; Term " inboard ", " outside ", " on ", the orientation of indications such as D score, " top ", " end " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the present invention rather than requiring the present invention therefore can not be interpreted as limitation of the present invention with specific azimuth configuration and operation.
Following with reference to the spray gun of figure 1-Fig. 4 description according to the embodiment of the invention.
Spray gun comprises rifle head 100, air inlet pipe 200 and air inlet seat 300.Like Fig. 1-shown in Figure 4, rifle head 100 comprises first pipe, 110, second pipe 120 and the through-hole pipe 130.In an example of the present invention, first pipe, 110, second pipe 120 and through-hole pipe 130 are cross section and are circular parts.
Like Fig. 1-shown in Figure 3, first pipe 110 is set in the outside of second pipe 120, and has predetermined gap between first pipe, 110 and second pipe 120, and promptly the internal diameter of first pipe 110 and second is managed between 120 the external diameter and had predetermined difference.Alternatively, first pipe 110 is set in second pipe, 120 outside coaxially, thereby the predetermined gap that between first pipe, 110 and second pipe 120, forms is even on axial and circumferential.
First pipe and second pipe have first end (like the right-hand member among Fig. 1) and second end (like the left end among Fig. 1) respectively; Wherein, At a distance of preset distance, in an example of the present invention, this preset distance is 100-800mm between first end of first end of second pipe 120 and first pipe 110.
Through-hole pipe 130 has a plurality of axially extending bores, and through-hole pipe 130 also has first end (like the right-hand member among Fig. 1) and second end (like the left end among Fig. 1), and second end of through-hole pipe 130 links to each other with first end of second pipe 120 coaxially, for example welds.Through-hole pipe 130 is managed at second pipe, 120 first end and first between 110 first end, that is to say that through-hole pipe 130 length ranges are 100-800mm.
In a specific embodiment of the present invention, the external diameter of through-hole pipe 130 also can form predetermined annulus between first pipe 110 and the through-hole pipe 130 thus less than the internal diameter of first pipe 110.Alternatively, first of first end of through-hole pipe 130 and first pipe 110 holds level with both hands together.Further alternatively, first pipe 110 is coaxial with through-hole pipe 130 with second pipe 120, thereby predetermined gap and the predetermined gap radial dimension between first pipe 110 and the through-hole pipe 130 that the pipe 110 and second of winning is managed between 120 are identical.
Predetermined gap between first pipe, 110 and second pipe 120 and the through-hole pipe 130 limits second channel 150, and the direction from second end to first end flows along second channel 150 for second fluid.Inner chamber and a plurality of axially extending bore of second pipe 120 limit first passage 140, and the direction from second end to first end flows along first passage 140 for first fluid.
In another specific embodiment of the present invention, the through-hole pipe 130 and first pipe 110 are tolerance fit, but the present invention is not limited to this.For this reason, be formed with on the periphery wall of through-hole pipe 130 at isolated many grooves 132 that make progress in week and flow for second fluid, many grooves 132 extend on the whole length of through-hole pipe 130 vertically.Preferably; The external diameter of through-hole pipe 130 and first pipe, 110 internal diameter can be identical substantially; Thereby the opening of groove 132 can be by the internal perisporium sealing of first pipe 110; Therefore, the predetermined gap between the through-hole pipe 130 and first pipe 110 upwards is being divided into a plurality of subchannels that limited by many grooves 132 week.Thus, the predetermined gap that many grooves 132 and first pipe 110 and second are managed between 120 constitutes second channel 150 jointly, and is as shown in Figure 1.Through making the predetermined gap between the through-hole pipe 130 and first pipe 110 be divided into a plurality of subchannels; When second fluid flows to first end of rifle head through the predetermined gap between first pipe, 110 and second pipe 120; Second fluid sprays with the mode of disperseing through groove 132, thereby has further improved the jeting effect of second fluid.
Alternatively, groove on the through-hole pipe 130 132 is along circumferentially evenly distributing, so that flow is even during the second fluid jet gun head.
In an example of the present invention, the cross section of groove 132 is rectangular, and is as shown in Figure 4.And in another example of the present invention, the cross section semicircular in shape of groove 132.Certainly, the present invention is not limited to this.Groove 132 can be the groove of Any shape, as long as thereby make that second fluid can be through the gap between the groove 132 and first pipe 110 from first end ejection spray gun.In addition, the size of groove 132 also can be according to concrete application choice.
In one embodiment of the invention; Through hole in the through-hole pipe 130 comprises central through hole 1311 and a plurality of periphery through holes 1312 that are provided with around central through hole 1311; Like Fig. 1 and shown in Figure 4, periphery through hole 1312 is distributed on a plurality of concentric circles, and the periphery through hole 1312 on each concentric circles is along circumferentially evenly distributing; Alternatively, a plurality of concentric circles evenly distribute diametrically.Through above setting, make that pressure was even, sprays evenly, and can evenly mix with second fluid when first fluid flowed to first end (right-hand member among Fig. 1) and then ejection spray gun along second end (left end among Fig. 1) of first passage 140 from figure.
Alternatively, first pipe and second pipe are stainless steel part, and through-hole pipe is a heat-resistance stainless steel spare.
Spray gun according to the embodiment of the invention; Owing to have a plurality of axially extending bores in the through-hole pipe; Avoided the rifle head of conventional lance that pipe box is located at the defective that a time-out concentricity is difficult for assurance; It is even to make first fluid spray the area of each gas passage of process, and then makes that the gas of spray gun ejection is even.Through-hole pipe is processed the back separately and is connected with second pipe, if therefore be worn in use for some time, only need change through-hole pipe, thereby reduce cost.In addition, first fluid does not need to distribute prematurely when ejecting, but just begins to distribute at the through-hole pipe place, thereby has reduced flow resistance, and supply gas pressure also can reduce, thereby has reduced energy consumption, and has prolonged the service life of rifle head.And the outside injection of first and second fluids evenly, good mixing effect.
Like Fig. 1-shown in Figure 4, be communicated with in second channel, to send into second fluid with second channel 150 fluids according to the air inlet pipe 200 of the spray gun of the embodiment of the invention.In an example of the present invention; Spray gun further comprises inlet box 400, and inlet box 400 is connected in first end and the inlet box 400 of air inlet seat 300 and is formed with wind chamber (figure does not show), and the wind chamber is communicated with air inlet pipe 200 and second channel 150; For example; First end of inlet box 400 can be set in first pipe, 110 second end through being threaded, and air inlet pipe 200 is connected on the lateral wall of inlet box 400, and is as shown in Figure 1.Through between air inlet pipe 200 and second channel 150, the wind chamber being set, can making first fluid before getting into second channel 150, in the wind chamber, be evenly distributed earlier, thereby can evenly eject spray gun.
In another embodiment of the present invention, spray gun further comprises positioner, is used for spray gun is fixed on smelting furnace style such as bottom convertor.
As shown in Figure 1, positioner comprises fixed mount 510, lasso 520 and puller bolt 530.Fixed mount 510 be set in the rifle head first the pipe 110 on and be suitable for being fixed on the body of heater of smelting furnace style such as bottom convertor.In an example of the present invention, on fixed mount 510, be formed with equally distributed a plurality of through hole, so that fixed mount 510 is fixed on the stove through the bolt connection.Lasso 520 is located between the fixed mount 510 and first pipe 110 and with fixed mount 510 and fixes, and for example the central authorities at fixed mount 510 form the axial center hole that is suitable for sheathed first pipe 110, and lasso 520 is welded on the periphery of this centre bore and stretches out fixed mount vertically.The part of stretching out fixed mount at lasso 520 is formed with the circumferential equally distributed through hole in a plurality of edges, makes puller bolt 530 pass lasso 520 and holds out against first to manage 110, thereby spray gun is fixed on the body of heater of bottom convertor.
Spray gun according to the embodiment of the invention; Through detent mechanism is set, make the rifle head to move vertically, when first end of rifle head (i.e. right-hand member among the figure) loss; Can unclamp puller bolt and the rifle head is moved predetermined length with electrode compensation to first end vertically; And do not need to change again, provide cost savings, reduce waste.
Describing fluid according to the type of flow in the spray gun of the embodiment of the invention below with reference to Fig. 1-Fig. 4, is that example describes with the oxygen lance that is used for the oxygen bottom blowing copper smelter here, and wherein first fluid is an oxygen, and second fluid is an air.
Air gets in the inlet box 400 from air inlet pipe 200; And in the wind chamber, be evenly distributed; Get into then in the second channel 150; Particularly, spray spray gun equably the gap of air between first pipe, 110 and second pipe 120 of rifle head and through being disperse shape ground along through-hole pipe 130 axial equally distributed many grooves.Oxygen is from the inlet channel entering first passage 140 of air inlet seat 300, and particularly, oxygen gets in second pipe 120 and passes through the axially extending bore ejection spray gun of through-hole pipe 130.
As stated, because the length of through-hole pipe is short, therefore, oxygen can not distribute too early and cause the pressure loss, has improved the melting effect.And, spray through making air be the disperse mode along groove, further improved the jeting effect of air, and big with the contact area of melt, stirring effect is better, improves the melting effect thus.
Following with reference to the multithread spray gun body device of figure 1-Fig. 5 description according to the embodiment of the invention.
As shown in Figure 5, comprise spray gun and the 3rd fluid hose 600 according to the multithread spray gun body device of the embodiment of the invention, wherein spray gun is the spray gun of describing in the foregoing description.Wherein the 3rd fluid hose 600 is communicated with second channel 150 fluids of spray gun and is used in second channel 150, sending into the 3rd fluid, and the 3rd fluid mixes with second fluid after getting in the second channel 150, and first end from second channel 150 sprays spray gun then.For example; The 3rd fluid hose 600 is connected on the lateral wall of inlet box 400 to be communicated with wind chamber fluid; Thus, second fluid and the 3rd fluid from air inlet pipe 200 and the 3rd fluid hose 600 entering wind chambeies and after mixing, outwards spray spray guns through second channel 150 respectively again.
According to the multithread spray gun body device of the embodiment of the invention, applicable to spraying multiple fluid simultaneously, in the fusion process that needs multiple fluid.Those skilled in the art it is understandable that; The 3rd fluid of describing among the present invention is not limited to a kind of fluid; And possibly comprise that the multiple fluid that gets into respectively in the second channel for example comprises other fluids such as water and nitrogen, therefore correspondingly, the 3rd fluid hose also is not limited only to a pipeline; When the 3rd fluid was multiple fluid, the 3rd fluid hose can comprise that also many pipelines that are communicated with the second channel fluid respectively are to send into multiple fluid respectively in second channel.
Fluid is described according to the type of flow in the multithread spray gun body device of present embodiment below with reference to Fig. 1-Fig. 5; Here be that example describes with the oxygen lance that is used for the oxygen bottom blowing lead-smelting furnace; Wherein first fluid is an oxygen, and second fluid is an air, and the 3rd fluid is a water.
As shown in Figure 5; Air gets in the inlet box 400 from air inlet pipe 200; Water enters into inlet box 400 from the 3rd fluid hose 600 simultaneously, and air and water are evenly distributed in the wind chamber, get into then in the second channel 150; Particularly, spray spray gun equably the gap of air between first pipe, 110 and second pipe 120 of spray gun and through being disperse shape ground along through-hole pipe 130 axial equally distributed many grooves.Oxygen gets into the first passage 140 and outside the ejection from the inlet channel of air inlet seat 300 simultaneously, and particularly, oxygen gets into the axially extending bore ejection spray gun that also passes through through-hole pipe 130 in second pipe 120.
As stated, oxygen can not distribute too early in first passage and cause the pressure loss, has improved the melting effect.And, spray through making the sky G&W be the disperse mode along groove, further improved the jeting effect of empty G&W, and big with the contact area of melt, stirring effect is better, improves the melting effect thus.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (16)
1. a spray gun is characterized in that, comprising:
The rifle head, said rifle head comprises:
First pipe;
Second pipe, wherein said first pipe box is located at said second tube outside, and first end of first end of second pipe and first pipe is at a distance of preset distance; With
Through-hole pipe; Said through-hole pipe has a plurality of axially extending bores; Second end of said through-hole pipe link to each other with first end of said second pipe coaxially and said through-hole pipe between first end that first end and first of said second pipe is managed; Limit second channel between wherein said first pipe and second pipe and the through-hole pipe, inner chamber and said a plurality of axially extending bore of said second pipe limit first passage;
Air inlet pipe, said air inlet pipe is communicated with in second channel, to send into second fluid with said second channel fluid; And
Air inlet seat, said air inlet seat links to each other with said second pipe and has inlet channel, and said inlet channel is communicated with in first passage, to send into first fluid with said first passage fluid.
2. spray gun according to claim 1 is characterized in that, said first pipe is coaxial with second pipe and through-hole pipe.
3. spray gun according to claim 2 is characterized in that, the length of said through-hole pipe is 100-800mm.
4. according to each described spray gun among the claim 1-3, it is characterized in that said first pipe, second pipe and through-hole pipe have circular cross section.
5. spray gun according to claim 4 is characterized in that, is formed with on the whole length that extends in through-hole pipe vertically on the periphery wall of said through-hole pipe and at isolated many grooves that make progress in week.
6. spray gun according to claim 5 is characterized in that the cross section of said groove is rectangular or semicircle.
7. spray gun according to claim 5 is characterized in that, the groove on the said through-hole pipe is along circumferentially evenly distributing.
8. spray gun according to claim 4 is characterized in that, the through hole in the said through-hole pipe comprises central through hole and a plurality of periphery through holes that are provided with around central through hole.
9. spray gun according to claim 8 is characterized in that, said periphery through hole is distributed on a plurality of concentric circles, and the periphery through hole on each concentric circles is along circumferentially evenly distributing.
10. spray gun according to claim 9 is characterized in that, said a plurality of concentric circles evenly distribute diametrically.
11. spray gun according to claim 1 is characterized in that, the cross-sectional area of the inlet channel of said air inlet seat diminishes towards first end from second end of air inlet seat gradually, and its first end is connected with second end of said second pipe.
12. spray gun according to claim 11 is characterized in that, said inlet channel is coaxial with said first passage.
13. spray gun according to claim 11 is characterized in that, further comprises inlet box, said inlet box is connected in first end and the said inlet box of said air inlet seat and is formed with the wind chamber, and said wind chamber is communicated with said air inlet pipe and second channel.
14. spray gun according to claim 13; It is characterized in that; Second end of said second pipe is threaded with first end of said air inlet seat and first end of said inlet box is set in first second end of managing through being threaded, and said air inlet pipe is connected on the lateral wall of inlet box.
15. spray gun according to claim 1 is characterized in that, further comprises positioner, said positioner comprises:
First pipe that fixed mount, said fixed mount are set in said rifle head is gone up and is suitable for being fixed on the melting body of heater;
Lasso, said lasso are located between the said fixed mount and first pipe and with said fixed mount and fix; And
Puller bolt, said puller bolt pass said lasso and hold out against said first pipe so that said spray gun is fixed on the melting body of heater.
16. a multithread spray gun body device is characterized in that, comprising:
According to each described spray gun among the claim 1-15; And
The 3rd fluid hose, said the 3rd fluid hose are communicated with said second channel fluid and are used in second channel, sending into the 3rd fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100006771A CN102049359B (en) | 2011-01-04 | 2011-01-04 | Spray gun and multi-fluid spray gun device provided with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100006771A CN102049359B (en) | 2011-01-04 | 2011-01-04 | Spray gun and multi-fluid spray gun device provided with same |
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| CN102049359A CN102049359A (en) | 2011-05-11 |
| CN102049359B true CN102049359B (en) | 2012-12-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109912192B (en) * | 2017-02-24 | 2021-08-06 | 天津富通集团有限公司 | Torch for optical fiber preform |
| CN106918041B (en) * | 2017-03-15 | 2023-03-14 | 中国恩菲工程技术有限公司 | Fuel oil spray gun for submerged combustion molten pool smelting device |
| CN107560440B (en) * | 2017-09-20 | 2024-04-12 | 中国恩菲工程技术有限公司 | Spray gun head, spray gun with spray gun head and processing method of spray gun head |
| CN107763617B (en) * | 2017-12-06 | 2024-04-02 | 中国恩菲工程技术有限公司 | Immersed type Fuel spray gun |
| CN112857053A (en) * | 2020-12-31 | 2021-05-28 | 东北大学 | Nozzle arrangement for a bottom-blowing lance of a metallurgical plant and use thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169560A (en) * | 1975-03-29 | 1979-10-02 | Elektrostatische Spritz-- und Beflockungsgesellschaft G.F. Vohringer GmbH | Electrostatic spray gun for powdered material |
| CN2248292Y (en) * | 1995-07-17 | 1997-02-26 | 汪育明 | Slit efficient energy-saving ejection gun |
| DE19531421A1 (en) * | 1995-08-26 | 1997-02-27 | Gema Volstatic Ag | Injector device for powder spray coating |
| AU2003256188A1 (en) * | 2002-07-23 | 2004-02-09 | Oleg Ivanovich Grechishkin | Abrasive blasting device |
| CN201276589Y (en) * | 2008-10-22 | 2009-07-22 | 中国恩菲工程技术有限公司 | Side-blown converter spray gun for non-ferrous metal |
| CN202028497U (en) * | 2011-01-04 | 2011-11-09 | 中国恩菲工程技术有限公司 | A spray gun and a multi-liquid spray gun device possessing the same |
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2011
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