CN207887392U - Atomizing lance anti-agglomeration protective device in dust air-flow - Google Patents
Atomizing lance anti-agglomeration protective device in dust air-flow Download PDFInfo
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- CN207887392U CN207887392U CN201721722506.9U CN201721722506U CN207887392U CN 207887392 U CN207887392 U CN 207887392U CN 201721722506 U CN201721722506 U CN 201721722506U CN 207887392 U CN207887392 U CN 207887392U
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- atomizing lance
- nozzle
- groove
- agglomeration
- atomizing
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Abstract
The utility model discloses the atomizing lance anti-agglomeration protective devices in a kind of dust air-flow, are used to protect atomizing lance, including：Sleeve is protected, is set in outside the gun body of atomizing lance, is protected and form cavity between the inner wall of sleeve and the outer wall of atomizing lance；Protect gas nozzle, one end and middle part of the seamless applying nozzle in the protection sleeve close to atomizing lance in bottom surface that there is the opening communicated with the spray orifice of atomizing lance；The top surface of protection gas nozzle, which invaginates to be formed, to be oppositely arranged and at least a pair of of groove of even circumferential distribution, the groove are communicated with the cavity, and the groove is respectively positioned between the opening in the middle part of the protector nozzle and protector nozzle side wall.The utility model has the advantages that avoid dust at nozzle to reunite, avoids dust to the abrasion of spray gun, avoids flue gas to the high temperature corrosion of atomizing lance, avoids spray gun internal incrustation and improve atomizing lance spray effect, can be widely applied to atomizing lance application field.
Description
Technical field
The utility model is related to atomizing lance application fields.More specifically, the utility model is related in dust air-flow
Atomizing lance anti-agglomeration protective device.
Background technology
Atomizing lance is a kind of device atomized the liquid into, and this device can obtain the liquid of small, relatively uniform grain size
Drop, is widely used in the fields such as spray, humidification, cooling, dedusting at present.
When atomizing lance is applied to the desulfurization wastewater flue evaporation technique of thermal power plant, atomizing lance use environment is severe.Cigarette
Flue-gas temperature is higher in road, and flue collector temperature is 100 DEG C -150 DEG C, and bypass flue temperature is 300 DEG C -400 DEG C, in atomizing lance
Waste water in containing a large amount of calcium, magnesium salt, salt branch is precipitated at high temperature causes blocking and high-temperature flue gas inside atomizing lance
High temperature corrosion can be generated to spray gun outer wall.Dust content is very high in flue gas, generally in 15-22g/Nm3And flue gas wind speed is higher, one
As will appear at 7-15m/s, the nozzle of atomizing lance dust reunion, spray gun windward side will appear abrasion and flue gas stream can be right
Spray effect has an impact.
Utility model content
The purpose of this utility model, which is to provide, a kind of to be avoided dust at nozzle from reuniting, avoids dust to the abrasion of spray gun, keeps away
Exempt from flue gas to the high temperature corrosion of atomizing lance, avoid spray gun internal incrustation and improve in the dust air-flow of atomizing lance spray effect
Atomizing lance anti-agglomeration protective device.
In order to realize these purposes and other advantages according to the present utility model, the atomization in a kind of dust air-flow is provided
Spray gun anti-agglomeration protective device is used to protect atomizing lance, including：Sleeve is protected, is set in outside the gun body of atomizing lance
Portion protects and forms cavity between the inner wall of sleeve and the outer wall of atomizing lance；Protect gas nozzle, bottom surface seamless applying in the guarantor
Pretective sleeve pipe is close to one end of the nozzle of atomizing lance and middle part is with the opening communicated with the spray orifice of atomizing lance；Protect gas nozzle
Top surface invaginate to be formed and be oppositely arranged and at least a pair of of groove of even circumferential distribution, the groove are communicated with the cavity, institute
It states between the opening that groove is respectively positioned in the middle part of the protector nozzle and protector nozzle side wall.
Preferably, section of the groove in the first plane perpendicular to the nozzle axis of the atomizing lance is circular arc
Shape, each pair of groove are formed slopely close to the axis of nozzle of the one end of the nozzle of the atomizing lance far from the atomizing lance
One angle, first angle are not less than the atomization angle of atomizing lance.
Preferably, along protection gas nozzle bottom surface is pierced by up to external direction, the groove is in first plane
Section be gradually reduced.
Preferably, the atomizing lance anti-agglomeration protective device in the dust air-flow, further includes O-ring；The protection
The inner wall being affixed with the nozzle of the atomizing lance in gas nozzle invaginates to form annular groove, and the O-ring is placed in annular groove
It is interior；Wherein, when the protection gas nozzle is connected to the protection sleeve, the O-ring is close to the nozzle of the atomizing lance
Outer surface.
Preferably, the nozzle front end of the atomizing lance does not protrude from the protection gas nozzle front end.
Preferably, end face cutting first plane in of the groove close to one end of the nozzle of the atomizing lance
Face is the first section, and section of the cavity in the first plane is the second section；Wherein, second section and the first section
Area ratio be 2:1-5:1.
Preferably, the difference of the atomization angle of first angle and atomizing lance is not more than 12 °.
Preferably, the spacing between the inner wall and the outer wall of the atomizing lance of the protection sleeve is in 3mm or more.
The utility model includes at least following advantageous effect：
Gas is protected to be more than flue gas wind speed by flow velocity after protecting gas nozzle, the nozzle of atomizing lance is in protection gas,
The nozzle of atomizing lance is not contacted with the flying dust in flue, avoids the abrasion of dust reunion and dust to atomizing lance at nozzle；
Atomization angle when protection gas is sprayed not less than liquid from atomizing lance from the diffusion angle after protection gas nozzle ejection, protects gas
Atomized drop periphery is in form ring protection and do not interfere with the atomizing effect of atomizer；Protective device protects atomizing lance
High-temperature flue gas can be reduced by, which not flowed in cavity by high temperature corrosion and gas, conducts heat to atomizing lance, avoids in atomizing lance
Salinity, which is precipitated, in the waste water in portion at high temperature causes to block inside atomizing lance.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the connection relationship diagram of the utility model and the atomizing lance that gun body is linear；
Fig. 2 is that the axis of groove described in the utility model and the nozzle of the atomizing lance forms the first angle schematic diagram；
Fig. 3 is that groove section described in the utility model reduces schematic diagram；
Fig. 4 is the front view of protection gas nozzle described in the utility model；
Fig. 5 is the utility model and gun body is the connection relationship diagram of L-shaped atomizing lance；
Fig. 6 is the connection relationship diagram of the utility model and the atomizing lance that gun body is L like shape；
Fig. 7 is the annexation figure of the utility model and the atomizing lance that nozzle is taper.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and is not the device or member of instruction or hint meaning
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
As shown in figs. 1-7, the utility model provides the atomizing lance anti-agglomeration protective device in a kind of dust air-flow, uses
In protection atomizing lance 2, including：Protect sleeve 1, be set in outside the gun body of atomizing lance 2, protect sleeve 1 inner wall with
Cavity is formed between the outer wall of atomizing lance 2；Gas nozzle 3 is protected, bottom surface is seamless applying to spray in the protection sleeve 1 close to atomization
One end and middle part of the nozzle of rifle 2 have the opening communicated with the spray orifice of atomizing lance 2；Protect the top surface invagination shape of gas nozzle 3
At at least a pair of of the groove 4 being oppositely arranged and even circumferential is distributed, the groove 4 is communicated with the cavity, 4 equal position of the groove
Between opening in the middle part of the protector nozzle and protector nozzle side wall.Protect nozzle of the sleeve 1 far from atomizing lance 2
One end is attached by flange 5 and atomizing lance 2 and is protected on outer wall of the sleeve 1 far from one end of the nozzle of atomizing lance 2
Equipped with air inlet pipe 6, protection gas, which is entered by air inlet pipe 6 after cavity, to be sprayed by the groove 4 in protection gas nozzle 3 to atomized drop shape
Circlewise taper is protected.It is to be threadedly coupled or weld to protect the seamless fixed mode in bottom surface of gas nozzle 3.
Section of the groove 4 in the first plane perpendicular to the nozzle axis of the atomizing lance 2 is arc-shaped, often
Axis to groove 4 close to nozzle of the one end of the nozzle of the atomizing lance 2 far from the atomizing lance 2 is formed slopely first
Angle α, first angle α are not less than the atomization angle β of atomizing lance 2.The setting of first angle α makes after protecting gas blowout to go out not
It is atomized area coincidence with liquid.
Protect 3 bottom surface of gas nozzle up to external direction, section of the groove 4 in first plane along being pierced by
It is gradually reduced.So that the speed of protective gas is promoted, protective gas sprays the speed after protection gas nozzle 3 for the reduction in 4 section of groove
Degree is significantly larger than flue gas wind speed.
Atomizing lance anti-agglomeration protective device in the dust air-flow, further includes O-ring 7；The protection gas nozzle 3
The inner wall that the upper nozzle with the atomizing lance 2 is affixed invaginates to form annular groove 8, and the O-ring 7 is placed in annular groove 8；
Wherein, when the protection gas nozzle 3 is connected to the protection sleeve 1, the O-ring 7 is close to the nozzle of the atomizing lance 2
Outer surface.O-ring 7 plays the effect of sealing.
The nozzle front end of the atomizing lance 2 does not protrude from 3 front end of protection gas nozzle.
The groove 4 is close to the section of the end face in first plane of one end of the nozzle of the atomizing lance 2
First section, section of the cavity in the first plane are the second section；Wherein, the face in second section and the first section
The ratio between product is 2:1-5:1.After protection gas blowout goes out the first section, speed increases 1-5 times.When protection gas bleed pressure is more than
0.3MPa, the width in first section is in 2mm-8mm；When protection gas bleed pressure be less than 0.3MPa, first section
Width is in 8mm-12mm.
The difference of first angle α and the atomization angle β of atomizing lance 2 is not more than 12 °.
Spacing between the inner wall and the outer wall of the atomizing lance 2 of the protection sleeve 1 is in 3mm or more.
As illustrated in figs. 5-7, different with the shape of nozzle according to the gun body of atomizing lance 2, protective device corresponds to different knots
Structure.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. the atomizing lance anti-agglomeration protective device in a kind of dust air-flow, is used to protect atomizing lance, which is characterized in that packet
It includes：
Sleeve is protected, is set in outside the gun body of atomizing lance, is protected and formed between the inner wall of sleeve and the outer wall of atomizing lance
Cavity；
Gas nozzle, one end and middle part of the seamless applying nozzle in the protection sleeve close to atomizing lance in bottom surface is protected to have
The opening communicated with the spray orifice of atomizing lance；Protection gas nozzle top surface invaginate to be formed be oppositely arranged and even circumferential distribution extremely
Few a pair of groove, the groove are communicated with the cavity, and the groove is respectively positioned on opening and guarantor in the middle part of the protector nozzle
It protects between device nozzle side wall.
2. the atomizing lance anti-agglomeration protective device in dust air-flow as described in claim 1, which is characterized in that the groove
Section in the first plane perpendicular to the nozzle axis of the atomizing lance is arc-shaped, and each pair of groove is close to the atomization
The axis of nozzle of the one end of the nozzle of spray gun far from the atomizing lance is formed slopely the first angle, and first angle is not small
In the atomization angle of atomizing lance.
3. the atomizing lance anti-agglomeration protective device in dust air-flow as claimed in claim 2, which is characterized in that along being pierced by
Protect gas nozzle bottom surface up to external direction, section of the groove in first plane is gradually reduced.
4. the atomizing lance anti-agglomeration protective device in dust air-flow as described in claim 1, which is characterized in that further include O
Type circle；
The inner wall being affixed with the nozzle of the atomizing lance in the protection gas nozzle, which invaginates, to form annular groove, the O-ring
It is placed in annular groove；
Wherein, when the protection gas nozzle is connected to the protection sleeve, the O-ring is close to the nozzle of the atomizing lance
Outer surface.
5. the atomizing lance anti-agglomeration protective device in dust air-flow as described in claim 1, which is characterized in that the atomization
The nozzle front end of spray gun does not protrude from the protection gas nozzle front end.
6. the atomizing lance anti-agglomeration protective device in dust air-flow as claimed in claim 3, which is characterized in that the groove
Section of the end face of one end of the nozzle of the close atomizing lance in first plane is the first section, and the cavity exists
Section in first plane is the second section；
Wherein, the area ratio in second section and the first section is 2:1-5:1.
7. the atomizing lance anti-agglomeration protective device in dust air-flow as claimed in claim 2, which is characterized in that described first
The difference of the atomization angle of angle and atomizing lance is not more than 12 °.
8. the atomizing lance anti-agglomeration protective device in dust air-flow as described in claim 1, which is characterized in that the protection
Spacing between the inner wall of sleeve and the outer wall of the atomizing lance is in 3mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722506.9U CN207887392U (en) | 2017-12-12 | 2017-12-12 | Atomizing lance anti-agglomeration protective device in dust air-flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722506.9U CN207887392U (en) | 2017-12-12 | 2017-12-12 | Atomizing lance anti-agglomeration protective device in dust air-flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207887392U true CN207887392U (en) | 2018-09-21 |
Family
ID=63548484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721722506.9U Active CN207887392U (en) | 2017-12-12 | 2017-12-12 | Atomizing lance anti-agglomeration protective device in dust air-flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207887392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3599029A1 (en) * | 2018-07-24 | 2020-01-29 | Spraytech Innovations | Spray foam gun cover |
-
2017
- 2017-12-12 CN CN201721722506.9U patent/CN207887392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3599029A1 (en) * | 2018-07-24 | 2020-01-29 | Spraytech Innovations | Spray foam gun cover |
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