CN205332199U - Multifunctional nozzle - Google Patents
Multifunctional nozzle Download PDFInfo
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- CN205332199U CN205332199U CN201620102102.9U CN201620102102U CN205332199U CN 205332199 U CN205332199 U CN 205332199U CN 201620102102 U CN201620102102 U CN 201620102102U CN 205332199 U CN205332199 U CN 205332199U
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- rifle cap
- nozzle
- multifunctional nozzle
- central canal
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Abstract
The utility model provides a multifunctional nozzle leads to the unsatisfactory technical problem of kiln furnace combustion effect to invent for the fuel adaptability that solves the nozzle that exists among the prior art is poor and the structural design rationality is poor. Multifunctional nozzle includes: center tube, its inner wall are formed with straight tube section and horn mouth section, the big footpath end of horn mouth section is the exit end, turn round the piece, twist reverse formation by a sheet metal spiral, be located in the straight tube section, its both sides border with the interior wall connection of straight tube section, the horn type through -hole has been seted up to the rifle cap, the through -hole with the horn mouth section is matchd, the path end of through -hole does the entry end of rifle cap, big footpath end do the exit end of rifle cap, the entry end of rifle cap is connected on the exit end of center tube.
Description
Technical field
This utility model relates to nozzle technology field, especially relates to a kind of multifunctional nozzle。
Background technology
Coal dust, fuel gas buring technology and corresponding system, relatively wider in the range of application of China, coal dust, fuel gas buring technology core apparatus be burner, burner is installed on kiln。In prior art, burner being equiped with fuel nozzle, usually, nozzle is connected to fuel feeding duct, and from the fluid material of fuel feeding duct, through nozzle to high velocity jet in burning kiln, fuel and combustion adjuvant be mixed combining combustion in kiln。
In coal dust, fuel gas buring technical field, the parameter such as the injection flow of nozzle, spray angle, jet velocity, raw material combustion efficiency in kiln is all had and has a great impact, or even conclusive impact。At present, the nozzle used in coal dust, fuel gas buring technical field, its jet exit offers one or more circular hole, and these one or more circular holes constitute the jet of nozzle。In actually used, when carrying out interior burning in burning kiln, whether the design form of nozzle to easily de-fiery, whether easy tempering, and the size of area of flame all has impact, in hot environment, the power of its rigidity decides whether it is easily burned, and namely determines the length in its service life。Above-mentioned jet is the nozzle of one or more circular hole, its major function is injection high-velocity fluid raw material, its design form is also design for meeting this function, its structure is single, does not possess integrated function, easily de-fiery, tempering in using, it is equiped with the area of flame formed when the kiln of this kind of nozzle carries out interior burning little, and the flame rigidity of the single nozzle of this kind of structure is weak, nozzle is easily burned, and namely service life is short；Being the kiln of dusty fuel particularly with adopted raw material, this kind of nozzle easily produces the situations such as blocking, coking, thus affecting the high velocity jet of dusty fuel, and then affects the effect of burning in kiln。Being applied to the field of nozzle for other, for instance fire-fighting domain, the shower nozzle of existing fire-fighting lance is convergent jet pipe, and the water column of its jet is concentrated, spray area is little, the problem causing attack time length。
In sum, there is fuel tolerance difference in nozzle of the prior art, its reasonable in design difference causes the technical problem that in kiln, combustion efficiency is undesirable。
Utility model content
The purpose of this utility model is in that to provide a kind of multifunctional nozzle, and, its reasonable in design difference poor with the fuel tolerance of nozzle solving to exist in prior art causes the technical problem that in kiln, combustion efficiency is undesirable。
For reaching above-mentioned purpose, this utility model embodiment by the following technical solutions:
A kind of multifunctional nozzle, including:
Central canal, its inwall is formed with straight length and oared segrne pii, and the bigger diameter end of described oared segrne pii is the port of export；
Twisted piece, is formed by a thin plate screw twisted, is positioned at described straight length, and its dual-side is along being connected with the inwall of described straight length；
Rifle cap, offers trumpet type through hole, and described through hole mates with described oared segrne pii, and the miner diameter end of described through hole is the arrival end of described rifle cap, bigger diameter end is the port of export of described rifle cap, and the arrival end of described rifle cap is connected on the port of export of described central canal。
The central canal of above-mentioned multifunctional nozzle and the design form adopted thereof, it is the flow for ease of controlling the fuel by central canal, based on above-mentioned central canal, as further improvement project, in this utility model embodiment, the length arranging the described oared segrne pii of described central canal is 10-50mm。
Based on above-mentioned central canal, as further improvement project, in this utility model embodiment, arranging the flaring angle of described oared segrne pii of described central canal within 20 °, and set, the flaring angle of described through hole is identical with the flaring angle of described oared segrne pii。
The twisted piece of above-mentioned multifunctional nozzle and the design form adopted thereof, can realize when being flow in central canal for ease of fuel rotating, and for ease of controlling the rotary speed of fuel, based on above-mentioned twisted piece, as further improvement project, in this utility model embodiment, arranging described twisted piece is that a rectangular sheet screw twisted is formed, and described twisted piece is connected by welding manner with the inwall of described straight length。
Based on above-mentioned twisted piece, as further improvement project, in this utility model embodiment, the windup-degree arranging described twisted piece is 15-60 °。
Based on above-mentioned twisted piece, as further improvement project, in this utility model embodiment, the thickness arranging described twisted piece is 0.5-3mm。
The rifle cap of above-mentioned multifunctional nozzle and the design form adopted thereof, it is for ease of controlling jet velocity during injection fuel in kiln, based on above-mentioned rifle cap, as further improvement project, in this utility model embodiment, the wall thickness arranging the port of export of described rifle cap is 3-10mm。
Based on above-mentioned multifunctional nozzle, angle from the use occasion of described nozzle, for farthest extending the service life of described multifunctional nozzle, in this utility model embodiment, arrange described central canal, described twisted piece, described rifle cap material be heat-resisting alloy steel。
Based on above-mentioned multifunctional nozzle, for reaching the purpose connecting or separating above-mentioned central canal in mode the most easily with above-mentioned rifle cap, in this utility model embodiment, described central canal is set and is threaded connection mode with described rifle cap and is connected。
The multifunctional nozzle that this utility model provides is installed in coal dust, on the kiln of fuel gas combustion system, the termination of the straight length of its central canal is connected with the port of export of feedstock transportation pipeline, the port of export of rifle cap is towards kiln inner chamber, from the fluid material of feedstock transportation pipeline through central canal, sprayed to kiln inner chamber by rifle cap, in the process, the design form of central canal and the twisted piece wherein installed, can realize controlling the purpose of fluid material flow, simultaneously, owing to twisted piece is have the parts of screw twisted structure, fluid material flows in central canal along its structure outline, the flow trace of fluid material is curve, flow process rotates due to the existence of revolving force, and, compared to other version, the structural advantage that the screw twisted structure of twisted piece itself has, the rotary speed of fluid material can be improved, make fluid material form eddy flow when flowing to flow to rifle cap, and the tubaeform through hole that rifle cap has, can realize controlling the speed that raw material sprays to kiln inner chamber, flow at fluid material, rotary speed, jet velocity is under controlled premise, fluid material uniformly sprays to kiln inner chamber according to quantity delivered required in kiln, and uniformly blend with the combustion adjuvant in kiln, make the burning in kiln more abundant, make the Temperature Distribution in kiln more uniform。
In prior art, jet is the nozzle of one or more circular hole, its major function is injection high-velocity fluid raw material, and its design form is also design for meeting this function, and its structure is single, do not possess integrated function, in using easily de-fire, tempering, it is little to be equiped with the area of flame formed when the kiln of this kind of nozzle carries out interior burning, and the flame rigidity of the single nozzle of this kind of structure is weak, nozzle is easily burned, and namely service life is short；Being the kiln of dusty fuel particularly with adopted raw material, this kind of nozzle easily produces the situations such as blocking, coking, thus affecting the high velocity jet of dusty fuel, and then affects the effect of burning in kiln。Compared to prior art, the multifunctional nozzle that this utility model provides, multiple unit construction is adopted to constitute, and the structure of each parts is carried out particular design, make the flow of this body structure convection cell raw material respectively of all parts, rotary speed, the generation good effect of jet velocity, for adopting gaseous fuel as the combustion system of raw material, it is absent from de-fire, the phenomenon of tempering, for adopting dusty fuel as the combustion system of raw material, it is absent from the situation of dusty fuel blocking or coking, make fluid material at a high speed, equably on the basis of kiln furnace injection, difference according to the actual requirements, central canal to this nozzle, twisted piece, the needles of various sizes of rifle cap is set, realize controlling the flow of required fluid material, rotary speed, the purpose of the parameters such as jet velocity, improve the operating fuel adaptability to nozzle, and expand the applicable scope of this nozzle, reach maximum, the nozzle that this programme provides, the demand of fuel is designed by its structure according to burning in the moving law of fluid fuel and kiln, specifically include fuel quantity, jet velocity, the parameters such as the uniformity, its structural design can be greatly improved the performance of combustion system, optimize its combustion efficiency further。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
The sectional view of the multifunctional nozzle that Fig. 1 provides for this utility model embodiment。
Accompanying drawing labelling:
1-central canal, 11-straight length, 12-oared segrne pii；
2-twisted piece；
3-rifle cap, 31-through hole。
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model。Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance。
The sectional view of the multifunctional nozzle that Fig. 1 provides for this utility model embodiment, refers to Fig. 1, the multifunctional nozzle that this utility model specific embodiment provides, including:
Central canal 1, its inwall is formed with straight length 11 and oared segrne pii 12, and the bigger diameter end of described oared segrne pii 12 is the port of export；
Twisted piece 2, is formed by a thin plate screw twisted, is positioned at described straight length 11, and its dual-side is along being connected with the inwall of described straight length 11；
Rifle cap 3, offer trumpet type through hole 31, described through hole 31 mates with described oared segrne pii 12, and the miner diameter end of described through hole 31 is the arrival end of described rifle cap 3, bigger diameter end is the port of export of described rifle cap 3, and the arrival end of described rifle cap 3 is connected on the port of export of described central canal 1。
The multifunctional nozzle that this utility model provides is installed in coal dust, on the kiln of fuel gas combustion system, the termination of the straight length of its central canal is connected with the port of export of feedstock transportation pipeline, the port of export of rifle cap is towards kiln inner chamber, from the fluid material of feedstock transportation pipeline through central canal, sprayed to kiln inner chamber by rifle cap, in the process, the design form of central canal and the twisted piece wherein installed, can realize controlling the purpose of fluid material flow, simultaneously, owing to twisted piece is have the parts of screw twisted structure, fluid material flows in central canal along its structure outline, the flow trace of fluid material is curve, flow process rotates due to the existence of revolving force, and, compared to other version, the structural advantage that the screw twisted structure of twisted piece itself has, the rotary speed of fluid material can be improved, make fluid material form eddy flow when flowing to flow to rifle cap, and the tubaeform through hole that rifle cap has, can realize controlling the speed that raw material sprays to kiln inner chamber, flow at fluid material, rotary speed, jet velocity is under controlled premise, fluid material uniformly sprays to kiln inner chamber according to quantity delivered required in kiln, and uniformly blend with the combustion adjuvant in kiln, make the burning in kiln more abundant, make the Temperature Distribution in kiln more uniform。
In prior art, jet is the nozzle of one or more circular hole, its major function is injection high-velocity fluid raw material, and its design form is also design for meeting this function, and its structure is single, do not possess integrated function, in using easily de-fire, tempering, it is little to be equiped with the area of flame formed when the kiln of this kind of nozzle carries out interior burning, and the flame rigidity of the single nozzle of this kind of structure is weak, nozzle is easily burned, and namely service life is short；Being the kiln of dusty fuel particularly with adopted raw material, this kind of nozzle easily produces the situations such as blocking, coking, thus affecting the high velocity jet of dusty fuel, and then affects the effect of burning in kiln。Compared to prior art, the multifunctional nozzle that this utility model provides, multiple unit construction is adopted to constitute, and the structure of each parts is carried out particular design, make the flow of this body structure convection cell raw material respectively of all parts, rotary speed, the generation good effect of jet velocity, for adopting gaseous fuel as the combustion system of raw material, it is absent from de-fire, the phenomenon of tempering, for adopting dusty fuel as the combustion system of raw material, it is absent from the situation of dusty fuel blocking or coking, make fluid material at a high speed, equably on the basis of kiln furnace injection, difference according to the actual requirements, central canal to this nozzle, twisted piece, the needles of various sizes of rifle cap is set, realize controlling the flow of required fluid material, rotary speed, the purpose of the parameters such as jet velocity, improve the operating fuel adaptability to nozzle, and expand the applicable scope of this nozzle, reach maximum, the nozzle that this programme provides, the demand of fuel is designed by its structure according to burning in the moving law of fluid fuel and kiln, specifically include fuel quantity, jet velocity, the parameters such as the uniformity, its structural design can be greatly improved the performance of combustion system, optimize its combustion efficiency further。
The central canal of above-mentioned multifunctional nozzle and the design form adopted thereof, it it is the flow for ease of controlling the fuel by central canal, in actually used, the quantity delivered of the fluid material of kiln inner chamber can need to be delivered to according to reality, the size of described central canal is set, the dimensional parameters of central canal includes its overall length, the length of straight length and diameter, the length of oared segrne pii and the flaring angle of loudspeaker, flaring angle herein refers to, bigger diameter end is extended to from the miner diameter end of oared segrne pii, about angle between two oblique lines that horizontal line is symmetrical, further improvement as such scheme, in specific embodiment of the utility model, the length arranging the oared segrne pii of described central canal is 10-50mm, and set the flaring angle of oared segrne pii of described central canal within 20 °, and, the flaring angle of described through hole is identical with the flaring angle of described oared segrne pii, namely the flaring angle of described through hole is also within 20 °。
The twisted piece of above-mentioned multifunctional nozzle and the design form adopted thereof, can realize when being flow in central canal for ease of fuel rotating, and for ease of controlling the rotary speed of fuel, in actually used, the quantity delivered of the fluid material of kiln inner chamber can need to be delivered to according to reality, the size of described twisted piece is set, the dimensional parameters of twisted piece includes its windup-degree, thickness etc., further improvement as such scheme, in specific embodiment of the utility model, arranging described twisted piece is that a rectangular sheet screw twisted is formed, described twisted piece is connected by welding manner with the inwall of described straight length, the windup-degree arranging described twisted piece is 15-60 °, the thickness arranging described twisted piece is 0.5-3mm。
According to actually used test, for the combustion system that scale is different, when the parameters such as the length of oared segrne pii, flaring angle, the flaring angle of tubaeform through hole, the windup-degree of twisted piece and thickness thereof are positioned within above-mentioned listed scope or during limiting point, in above-mentioned central canal in the flow of fluid material, above-mentioned rifle cap fluid material jet velocity and in central canal the rotary speed of fluid material be the best, the concrete setting of above-mentioned many kinds of parameters also needs scale and other parameters in conjunction with combustion system specifically to set。
The rifle cap of above-mentioned multifunctional nozzle and the design form adopted thereof, it is for ease of controlling jet velocity during injection fuel in kiln, based on above-mentioned rifle cap, as further improvement project, to strengthen the rigid of this multifunctional nozzle so that it is adapt to hot environment, extend its service life, in specific embodiment of the utility model, the wall thickness arranging the port of export of described rifle cap is 3-10mm, to ensure to reach to strengthen the purpose of its rigidity。
Further, angle from the use occasion of described nozzle, for farthest extending the service life of described multifunctional nozzle, this utility model obtains in specific embodiment, arrange described central canal, described twisted piece, described rifle cap material be heat-resisting alloy steel。
Based on above-mentioned multifunctional nozzle, for reaching the purpose connecting or separating above-mentioned central canal in mode the most easily with above-mentioned rifle cap, in this utility model embodiment, described central canal is set and is threaded connection mode with described rifle cap and is connected。
The multifunctional nozzle that this utility model specific embodiment provides, not only limit is used in coal dust, fuel gas buring technical field, by this nozzle application in fire-fighting domain, substitute existing convergent jet pipe, spray area can be increased, shorten attack time, reach to improve the purpose of fire extinguishing speed。
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals。For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model。
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model。
Claims (10)
1. a multifunctional nozzle, it is characterised in that including:
Central canal, its inwall is formed with straight length and oared segrne pii, and the bigger diameter end of described oared segrne pii is the port of export；
Twisted piece, is formed by a thin plate screw twisted, is positioned at described straight length, and its dual-side is along being connected with the inwall of described straight length；
Rifle cap, offers trumpet type through hole, and described through hole mates with described oared segrne pii, and the miner diameter end of described through hole is the arrival end of described rifle cap, bigger diameter end is the port of export of described rifle cap, and the arrival end of described rifle cap is connected on the port of export of described central canal。
2. multifunctional nozzle according to claim 1, it is characterised in that the length of the described oared segrne pii of described central canal is 10-50mm。
3. multifunctional nozzle according to claim 2, it is characterised in that the flaring angle of the described oared segrne pii of described central canal is within 20 °, and the flaring angle of described through hole is identical with the flaring angle of described oared segrne pii。
4. multifunctional nozzle according to claim 3, it is characterised in that described twisted piece is that a rectangular sheet screw twisted is formed。
5. multifunctional nozzle according to claim 4, it is characterised in that described twisted piece is connected by welding manner with the inwall of described straight length。
6. multifunctional nozzle according to claim 5, it is characterised in that the windup-degree of described twisted piece is 15-60 °。
7. multifunctional nozzle according to claim 6, it is characterised in that the thickness of described twisted piece is 0.5-3mm。
8. multifunctional nozzle according to claim 7, it is characterised in that the wall thickness of the port of export of described rifle cap is 3-10mm。
9. multifunctional nozzle according to claim 8, it is characterised in that described central canal, described twisted piece, described rifle cap material be heat-resisting alloy steel。
10. the multifunctional nozzle according to any one of claim 1-9, it is characterised in that described central canal is threaded connection mode with described rifle cap and is connected。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102102.9U CN205332199U (en) | 2016-02-02 | 2016-02-02 | Multifunctional nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102102.9U CN205332199U (en) | 2016-02-02 | 2016-02-02 | Multifunctional nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN205332199U true CN205332199U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620102102.9U Active CN205332199U (en) | 2016-02-02 | 2016-02-02 | Multifunctional nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081716A (en) * | 2018-01-26 | 2019-08-02 | 中国瑞林工程技术股份有限公司 | Top-blown spray gun for electronic waste smelting device |
-
2016
- 2016-02-02 CN CN201620102102.9U patent/CN205332199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081716A (en) * | 2018-01-26 | 2019-08-02 | 中国瑞林工程技术股份有限公司 | Top-blown spray gun for electronic waste smelting device |
| CN110081716B (en) * | 2018-01-26 | 2024-04-23 | 中国瑞林工程技术股份有限公司 | Top-blowing spray gun for electronic waste smelting device |
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