CN203862446U - Spray gun for desulfurization and denitrification - Google Patents
Spray gun for desulfurization and denitrification Download PDFInfo
- Publication number
- CN203862446U CN203862446U CN201420270135.5U CN201420270135U CN203862446U CN 203862446 U CN203862446 U CN 203862446U CN 201420270135 U CN201420270135 U CN 201420270135U CN 203862446 U CN203862446 U CN 203862446U
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- cavity
- nozzle
- pipe
- spray gun
- wall
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Abstract
The utility model discloses a spray gun for desulfurization and denitrification. The spray gun for desulfurization and denitrification comprises an inner pipe, a middle pipe and an outer pipe which are arranged from inside to outside in sequence. One end of the middle pipe is fixedly connected with the outer wall of the inner pipe in a sealing mode, the other end of the middle pipe and one end of the inner pipe jointly form a nozzle assembly, and a movable flange and a gas inlet pipe are arranged on the outer wall of the middle pipe. A fixed flange matched with the movable flange is arranged on the outer wall of the outer pipe, a connecting pipe is arranged on the outer wall of the outer pipe, and supporting blocks distributed circumferentially are formed between the inner wall of the outer pipe and the middle pipe. The nozzle assembly comprises a nozzle seat, a conical nozzle is arranged in the nozzle seat, and six to eight spraying holes distributed circumferentially are formed in the end of the nozzle. According to the spray gun for desulfurization and denitrification, the operation efficiency of desulfurization and denitrification is improved, the service life is prolonged at the same time, and the using cost of enterprises is lowered.
Description
Technical field
The utility model relates to a kind of spray gun for desulphurization denitration.
Background technology
Desulphurization denitration tower is mainly by gas fume conveying system, absorption tower, and spray system, the slurries circulatory system, slurries recovery system form.
Industrial waste gas will have the waste gas of a large amount of sulfur dioxide, carbon dioxide etc. to be transported to absorption tower by gas fume conveying system, desulfurizing agents a large amount of in absorption tower are transported to tower body by spray system, with certain pressure, fully contact with industrial waste gas with the desulfurizing agent of the ability of disengaging, produce chemical reaction, for at the bottom of making sulfur dioxide in waste gas generate sediment to flow to tower, by the slurries circulatory system, be discharged to tower outer circulation and utilize, the industrial gasses after desulfurizing and purifying are discharged in air through desulfurizing tower chimney again.
At present, in the techniques such as desulphurization denitration, flue gas conditioning, need to spray a fluid into definite position with spray gun, reach desirable mixed effect; During use, spray gun is in high-temperature flue gas, time one is long, high-temperature flue gas will make spray gun and the fluid superheat in gun barrel, fluid tends to vaporize in gun barrel, causes spray gun internal pressure to rise, due to the variation of gun barrel internal pressure, make fluid not be ejected into definite position with the granularity of estimating, do not reach desirable mixed effect.
In addition, the rising of the strong overpressure that fluid gasification causes, can cause spray gun explosion when serious, and service life is short, affects equipment and operating personnel's safety; The problems referred to above have been technical difficult problems for many years, are badly in need of solving.
Summary of the invention
The purpose of this utility model is to provide a kind of spray gun for desulphurization denitration, improves desulphurization denitration operating efficiency, increases the service life simultaneously, reduces enterprise's use cost.
Spray gun for desulphurization denitration, it is characterized in that: comprise the inner tube, the tube and the outer tube that set gradually from inside to outside, one end of described middle pipe and the outer wall of described inner tube form and are sealedly and fixedly connected, one end of the other end and inner tube forms nozzle assembly jointly, and the outer wall of described middle pipe is provided with loose flange and air inlet pipe; The outer wall of described outer tube is provided with the mounting flange that matches with described loose flange and arrange, and the outer wall of described outer tube is provided with adapter, forms the back-up block of circle distribution between inwall and described middle pipe; Described nozzle assembly comprises nozzle carrier, is provided with conical nozzle on described nozzle carrier, forms the spray orifice of 6-8 circle distribution in the end of described nozzle; Described nozzle carrier is fixed on the port of described middle pipe, at the inner cavity that forms of described nozzle carrier, the entrance point of described cavity connects the inner chamber of described inner tube, forms the air admission hole of a plurality of oblique settings at the excircle of described cavity, and described air admission hole connects described middle tube cavity and cavity.
Further, the aperture of described spray orifice is at 0.5-2mm.
Further, the gas outlet of described cavity forms and to dwindle cavity, described in to dwindle cavity be cylindrical.
Further, in described nozzle interior, form areola, described areola with described in dwindle cavity and be connected, described in the area of described areola is greater than, dwindle the area of cavity.
Further, the port of described outer tube and described nozzle bottom form and are tightly connected.
The utility model compared with prior art, the utlity model has following beneficial effect:
1, the utility model comprises the inner tube, the tube and the outer tube that set gradually from inside to outside, and one end of described middle pipe and the outer wall of described inner tube form and be sealedly and fixedly connected, and one end of the other end and inner tube forms nozzle assembly jointly; The utility model accesses urea in inner tube, on the outer wall of described middle pipe, be provided with loose flange and air inlet pipe, in this air inlet pipe, access air, air mixes by nozzle assembly with urea, like this, the air urea for mixing ejecting from nozzle assembly, processes for desulphurization denitration operation, for easy for installation, the outer wall of described outer tube is provided with the mounting flange that matches with described loose flange and arrange, by loose flange, be connected with mounting flange screw rod, easy for installation, dismounting is also convenient.
2, the utility model is in order to protect the life-span of inner tube and middle pipe; and the mixing of inner air and urea; prevent that interior evaporation and pressure from raising simultaneously; the outer wall of described outer tube is provided with adapter; the setting of this adapter; be to circulate in order to connect cooling water, play cooling protection effect, from another, take over and flow out simultaneously.
3, the utility model is in order to improve jeting effect, strengthen effect and the efficiency of desulphurization denitration, the utility model arranges nozzle assembly, described nozzle assembly comprises nozzle carrier, on described nozzle carrier, be provided with conical nozzle, in the end of described nozzle, form the spray orifice of 6-8 circle distribution; In this structure, spray orifice is evenly arranged on nozzle-end, such setting, the dispersed periphery of mixture out in spray orifice, the area simultaneously disperseing expands greatly, compares with nozzle in existing product, and minute spreading, area is large, greatly improved the effect of desulphurization denitration, magnitude setting can reduce, but effect does not reduce, so under equal conditions, cost.
In addition, in order to improve mixed effect and the designs simplification of gas and urea, described nozzle carrier is fixed on the port of described middle pipe, at the inner cavity that forms of described nozzle carrier, the entrance point of described cavity connects the inner chamber of described inner tube, at the excircle of described cavity, form the air admission hole of a plurality of oblique settings, described air admission hole connects described middle tube cavity and cavity; Directly like this after passing into, mix, in the cavity of nozzle, mix, and the utility model can be according to different designing requirements, the ratio of air admission hole and cavity is set, this just directly can mix according to ratio, for improving denitrification efficiency, is very direct, has also simplified the trouble of controlling, can directly use, reduce Job Operations requirement.
As from the foregoing, the utility model improves desulphurization denitration operating efficiency, increases the service life simultaneously, reduces enterprise's use cost.
In order further to explain the technical solution of the utility model, below by specific embodiment, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of circle part in the utility model.
The specific embodiment
As depicted in figs. 1 and 2, the utility model relates to a kind of spray gun for desulphurization denitration, it is characterized in that: comprise the inner tube 1, middle pipe 2 and the outer tube 3 that set gradually from inside to outside, the outer wall of one end of described middle pipe 2 and described inner tube 1 forms and is sealedly and fixedly connected, one end of the other end and described inner tube 1 forms nozzle assembly jointly, and the outer wall of described middle pipe 2 is provided with loose flange 4 and air inlet pipe 5; The outer wall of described outer tube 3 is provided with the mounting flange 6 that matches with described loose flange 4 and arrange, and the outer wall of described outer tube 6 is provided with takes over 7, forms the back-up block 8 of circle distribution between inwall and described middle pipe 2.
In order to improve jeting effect, nozzle assembly described in the utility model comprises nozzle carrier 10, is provided with conical nozzle 11 on described nozzle carrier 10, forms the spray orifice 12 of 6-8 circle distribution in the end of described nozzle 11.
In order to improve the mixed effect of gas and urea, nozzle carrier described in the utility model 10 is fixed on the port of described middle pipe 2, at the inner cavity 13 that forms of described nozzle carrier 10, the entrance point of described cavity 13 connects the inner chamber of described inner tube 1, at the excircle of described cavity 13, form the air admission hole 14 of a plurality of oblique settings, described air admission hole 14 connects described middle pipe 2 inner chambers and cavity 13.
The aperture of spray orifice described in the utility model 12 is at 0.5-2mm.
The gas outlet of cavity described in the utility model 13 forms and dwindles cavity 15, described in dwindle cavity 15 for cylindrical.In this structure, the utility model enters quickly and dwindles cavity 15 from large cavity 13, is pressed in little space like this from high pressure, and mixing of materials is more even, and dynamics is more concentrated, improves the dispersion effect of follow-up nozzle.
In the utility model, in described nozzle 11 inside, form areola 16, described areola 16 with described in dwindle cavity 15 and be connected, described in being greater than, dwindles the area of described areola 16 area of cavity 15, can improve so mixed material and enter large space from little space, dispersion efficiency improves, dynamics increases, and divides like this material speed of penetrating to speed from nozzle 11, disperses area large.
The port of outer tube described in the utility model 3 and described nozzle 11 bottoms form and are tightly connected.
More than that the technical scheme that the utility model embodiment is provided is described in detail, having applied specific case herein sets forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment, is only applicable to the principle that the utility model embodiment is understood in help; , for one of ordinary skill in the art, according to the utility model embodiment, in the specific embodiment and range of application, all can change to some extent, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (5)
1. for the spray gun of desulphurization denitration, it is characterized in that: comprise the inner tube, the tube and the outer tube that set gradually from inside to outside, one end of described middle pipe and the outer wall of described inner tube form and are sealedly and fixedly connected, one end of the other end and inner tube forms nozzle assembly jointly, and the outer wall of described middle pipe is provided with loose flange and air inlet pipe; The outer wall of described outer tube is provided with the mounting flange that matches with described loose flange and arrange, and the outer wall of described outer tube is provided with adapter, forms the back-up block of circle distribution between inwall and described middle pipe; Described nozzle assembly comprises nozzle carrier, is provided with conical nozzle on described nozzle carrier, forms the spray orifice of 6-8 circle distribution in the end of described nozzle; Described nozzle carrier is fixed on the port of described middle pipe, at the inner cavity that forms of described nozzle carrier, the entrance point of described cavity connects the inner chamber of described inner tube, forms the air admission hole of a plurality of oblique settings at the excircle of described cavity, and described air admission hole connects described middle tube cavity and cavity.
2. according to claim 1 for the spray gun of desulphurization denitration, it is characterized in that: the aperture of described spray orifice is at 0.5-2mm.
3. according to claim 1 for the spray gun of desulphurization denitration, it is characterized in that: the gas outlet of described cavity forms and dwindles cavity, described in to dwindle cavity be cylindrical.
4. according to claim 1 for the spray gun of desulphurization denitration, it is characterized in that: in described nozzle interior, form areola, described areola with described in dwindle cavity and be connected, described in the area of described areola is greater than, dwindle the area of cavity.
5. according to claim 1 for the spray gun of desulphurization denitration, it is characterized in that: the port of described outer tube and described nozzle bottom form and be tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270135.5U CN203862446U (en) | 2014-05-23 | 2014-05-23 | Spray gun for desulfurization and denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270135.5U CN203862446U (en) | 2014-05-23 | 2014-05-23 | Spray gun for desulfurization and denitrification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203862446U true CN203862446U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420270135.5U Expired - Fee Related CN203862446U (en) | 2014-05-23 | 2014-05-23 | Spray gun for desulfurization and denitrification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203862446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001634A (en) * | 2014-05-23 | 2014-08-27 | 浙江莱梦德电力设备有限公司 | Spray gun for desulfurization and denitrification |
-
2014
- 2014-05-23 CN CN201420270135.5U patent/CN203862446U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001634A (en) * | 2014-05-23 | 2014-08-27 | 浙江莱梦德电力设备有限公司 | Spray gun for desulfurization and denitrification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Jianyong Inventor before: Xu Jianming |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU JIANMING TO: JIANG JIANYONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |