CN203899444U - Nebulizer and desulfurization tower - Google Patents
Nebulizer and desulfurization tower Download PDFInfo
- Publication number
- CN203899444U CN203899444U CN201420253427.8U CN201420253427U CN203899444U CN 203899444 U CN203899444 U CN 203899444U CN 201420253427 U CN201420253427 U CN 201420253427U CN 203899444 U CN203899444 U CN 203899444U
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- atomizer
- tube
- atomization gas
- cylindrical shell
- perforate
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Abstract
The utility model discloses a nebulizer. The nebulizer comprises a gas-in-liquid type atomizing nozzle (1), wherein a spray nozzle part (11) is arranged on the gas-in-liquid type atomizing nozzle; an atomized gas connecting pipe (12) used for connecting atomized gas pipelines and a slurry connecting pipe (13) used for connecting slurry pipelines are arranged onto the spray nozzle of the spray nozzle part in a communicating manner; the nebulizer further comprises a housing (2); the housing comprises a barrel body (21); a front top plate (22) is arranged at the front end of the barrel body; a rear cover plate (13) is arranged at the rear end of the barrel body; a first opening is formed in the front top plate; one end of the spray nozzle at the spray nozzle part is arranged inside the first opening in a penetrating manner; a second opening is formed in the rear cover plate; the atomized gas connecting pipe is arranged inside the second opening in a penetrating manner; a third opening is formed in the barrel wall of the barrel body; the slurry connecting pipe is arranged inside the third opening in a penetrating manner. The utility model further provides a desulfurization tower comprising the nebulizer provided by the utility model. According to the nebulizer and the desulfurization tower, provided by the utility model, since the housing is arranged, the nebulizer is simple and convenient to mount on the desulfurization tower.
Description
Technical field
The utility model relates to flue gas desulfurization technique, particularly, relates to a kind of atomizer and desulfurizing tower.
Background technology
Unprecedented soaring along with rapid economic development and total energy consumption, the SO of industrial smoke discharge
2the atmosphere polluting problem causing is increasingly serious.Atmosphere pollution not only endangers animal and plant growth, damages the ozone layer, and can cause the problems such as acid rain and greenhouse effects.Therefore, flue gas being carried out to desulfurization is to control SO
2the effective means of polluting.
The coal-burning boilers such as current thermal power plant often adopt lime stone---and gypsum wet desulfur technology is to the SO generating in combustion process
2remove, its principle is: tail flue gas is passed in wet flue gas desulfurization tower, use slurry circulating pump the lime stone slurry supercharging of desulfurizing tower bottom slurry pool to be delivered to the spraying layer at desulfurizing tower middle part, by nozzle, slurries are sprayed into flue gas flow field equably, the flue gas entering in desulfurizing tower is rinsed to the SO in flue gas
2mainly react with lime stone slurry: SO
2+ CaCO
3→ CaSO
3+ CO
2, SO thus
2from flue gas, remove, then flue gas is discharged desulfurizing tower through demister, and sprayed slurry falls into the slurry pool of desulfurizing tower bottom.
At present, for guaranteeing higher desulfuration efficiency, reduce desulfurization energy consumption, the nozzle of sprayed slurry often adopts gas-in-liquid formula atomizer, to strengthen slurry spraying effect, improve slurries and flue gas mixing uniformity, wherein, gas-in-liquid formula atomizer is by atomization drive medium is set, and forms the nozzle of gas-in-liquid when slurries are sprayed at spray nozzle front end.As the liquid-coated gas desulfurizing/atomizing nozzle (application number: 201110312784.8) of the Liu Ding of South China Science & Engineering University equality application.
But, owing to being not only provided with the pipeline of slurries input on gas-in-liquid formula atomizer, but also be provided with the pipeline of atomization drive medium input, therefore, the factor that liquid packet mode atomizer need to consider is installed in desulfurizing tower a lot, difficulty of construction is large, installs inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of atomizer and desulfurizing tower, for solving prior art gas-in-liquid formula atomizer, inconvenient problem is installed on desulfurizing tower.
To achieve these goals, the utility model provides a kind of atomizer on the one hand, comprise gas-in-liquid formula atomizer, on described gas-in-liquid formula atomizer, be provided with the spray nozzle part for spraying, be communicated with and be provided with for being connected the atomization gas tube connector of atomization gas pipeline and for connecting the slurries tube connector of slurry pipe line, also comprising housing with the nozzle of described spray nozzle part, described housing comprises cylindrical shell, the front end of described cylindrical shell is provided with front top plate, and the rear end of described cylindrical shell is provided with back shroud;
On described front top plate, offer the first perforate, nozzle one end of described spray nozzle part is located in described the first perforate, on described back shroud, offer the second perforate, described atomization gas tube connector is located in described the second perforate, on the barrel of described cylindrical shell, offer the 3rd perforate, described slurries tube connector is located in described the 3rd perforate.
Preferably, described front top plate is parallel with described back shroud, and perpendicular to the axis of described cylindrical shell.
Preferably, described back shroud and described cylindrical shell are for removably connecting.
Preferably, the front end face of described cylindrical shell stretches out described front top plate.
Preferably, be provided with atomization gas interface tube and slurry pipe interface on described spray nozzle part, described atomization gas tube connector is connected with described atomization gas interface tube, and described slurries tube connector is connected with described slurry pipe interface.
Preferably, between described atomization gas interface tube and described atomization gas tube connector, be provided with connection sealing element.
Preferably, described connection sealing element comprises inner tube and is set in the outer tube in described inner tube outside;
Described atomization gas interface tube is arranged between described inner tube and described outer tube and is at least connected with described outer tube.
Preferably, between the outside wall surface of described inner tube end and the internal face of described atomization gas interface tube, be formed with gap.
Preferably, the end of described atomization gas interface tube, is formed with toroidal cavity between described inner tube and described outer tube, in described toroidal cavity, is provided with sealing ring.
Preferably, described atomization gas tube connector is provided with expansion joint with one end that described connection sealing element is connected.
Preferably, on described atomization gas tube connector, in the position that wears described the second perforate, be provided with flange, described flange is fixed on described back shroud.
Preferably, in described cylindrical shell, be filled with aluminum silicate insulation material.
Preferably, on the barrel of described cylindrical shell, offer manhole, on described manhole, be covered with access panel.
The utility model also provides a kind of desulfurizing tower on the other hand, includes atomizer as above, and the housing of described atomizer is fixed on the tower wall of described desulfurizing tower.
The atomizer that the utility model provides and desulfurizing tower, by housing is set, gas-in-liquid formula atomizer is fixed in housing, so only need perforate on the tower wall of desulfurizing tower, housing is fixed on can be realized the installation of atomizer on desulfurization tower body in perforate and fix, then the slurry pipe line that atomization gas pipeline atomization working medium being entered and slurries enter is connected to the gas-in-liquid formula atomizer in housing, and without considering atomization gas pipeline and slurry pipe line fixing on desulfurizing tower, therefore, the atomizer that the utility model provides is simple and convenient in the installation on desulfurizing tower wall, and by being set, housing can protect gas-in-liquid formula atomizer.
Other feature and advantage of the present utility model partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the atomizer of a kind of embodiment of the present utility model;
Fig. 2 is A place enlarged drawing in Fig. 1;
Fig. 3 is the structural representation of the back shroud of the atomizer shown in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
The utility model provides a kind of atomizer, this atomizer comprises gas-in-liquid formula atomizer 1, on this gas-in-liquid formula atomizer 1, be provided with the spray nozzle part 11 for spraying, be communicated with and be provided with for being connected the atomization gas tube connector 12 of atomization gas pipeline and for connecting the slurries tube connector 13 of slurry pipe line with the nozzle of spray nozzle part 11, the specific works principle that gas-in-liquid formula atomizer 1 sprays slurries is shown in the liquid-coated gas desulfurizing/atomizing nozzle (application number: 201110312784.8), do not repeat them here of the Liu Ding of South China Science & Engineering University equality application; This atomizer also includes housing 2, and housing 2 specifically comprises cylindrical shell 21, and the front end of cylindrical shell 21 is provided with front top plate 22, and the rear end of cylindrical shell 21 is provided with back shroud 23; Wherein, the front end of cylindrical shell 21 refers to towards one end of spray nozzle part 11 injection directions (in the embodiment at Fig. 1, front end is left end, rear end is right-hand member), on front top plate 22, offer the first perforate 221, nozzle one end of spray nozzle part 11 is located in this first perforate 221, on back shroud 23, offer the second perforate 231, atomization gas tube connector 12 is located in described the second perforate 231, offers the 3rd perforate 211 on the barrel of cylindrical shell 21, and slurries tube connector 13 is located in the 3rd perforate 211.Atomization gas tube connector 12 and slurries tube connector 13 are gas-in-liquid formula atomizer 1 fixedly providing a supporting role in housing 2, realize gas-in-liquid formula atomizer 1 fixing in housing 2.
While atomizer of the present utility model being installed on desulfurizing tower, can first diameter perforate on desulfurizing tower wall of the setting angle on desulfurizing tower wall and cylindrical shell 21 according to atomizer, then the cylindrical shell 21 of housing 2 wears in the perforate that is fixed on desulfurizing tower wall, the front end of the gas-in-liquid formula atomizer 1 in its middle shell 2 is inner towards desulfurizing tower, cylindrical shell 21 can be fixed by welding in Ta Bishang, the atomization gas pipeline of then atomization drive medium input is connected with the atomization gas tube connector 12 of gas-in-liquid formula atomizer 1, the slurry pipe line of slurries input is connected with the slurries tube connector 13 of gas-in-liquid formula atomizer 1.Therefore, atomizer in the utility model is by arranging housing 2, can facilitate the installation of this atomizer on desulfurization tower body to fix, and when atomizer is installed, the injection direction of atomizer and the angle between desulfurizing tower tower wall can be set, make the slurries that sprayer sprays in desulfurization tower body, form eddy flow shape.On the other hand, because gas-in-liquid formula atomizer 1 is generally silicon carbide ceramics material, fragile in transportation, installation process, by housing 2 is set, can protect gas-in-liquid formula atomizer 1.
In the utility model, on the spray nozzle part 11 of gas-in-liquid formula atomizer 1, be provided with atomization gas interface tube 111 and slurry pipe interface 112, atomization gas tube connector 12 is connected on atomization gas interface tube 111, slurries tube connector 13 is connected on slurry pipe interface 112, and slurries tube connector 13 specifically can be connected with slurry pipe interface 112 by flange.
On atomization gas tube connector 12, in the position that wears the second perforate 231, be provided with flange 121, atomization gas tube connector 12 can be fixed on back shroud 23 by flange 121, in Fig. 3, on back shroud 23, the periphery of the second perforate 231 is provided with a plurality of bolts hole 232, for being bolted the flange 121 on atomization gas tube connector 12; On back shroud 23, be also provided with two perforates 233, for convenience detach or construction bolt operation.
Slurries tube connector 13 on the barrel that is located in cylindrical shell 21 after, can be fixed by welding on the periphery of the 3rd perforate 211.
In the utility model, atomization gas tube connector 12 can be coaxial with spray nozzle part 11, the axis of slurries tube connector 13 can form an angle with the axis of spray nozzle part 11, therefore, preferably, the front top plate of housing 2 22 be arranged in parallel with back shroud 23, and perpendicular to the axis of cylindrical shell 21, slurries tube connector 13 stretches out from the barrel of cylindrical shell 21, forms an angle with the axis of cylindrical shell 21.
In the utility model, as shown in Figure 1, the front end face of cylindrical shell 21 stretches out front top plate 22, the front end face that is cylindrical shell 21 stretches out forward front top plate 22 certain distances, like this, spray nozzle part 11 is when spraying, and the part that cylindrical shell 21 exceeds front top plate 22 can play the effect of guiding forward to the slurries that spray, thereby can reduce on the tower wall that slurries are ejected into desulfurizing tower, avoid the corrosion to desulfurizing tower tower wall.
In the utility model, for convenience of gas-in-liquid formula atomizer 1, pack in housing 2 or from housing 2 and take out, the back shroud 23 of housing 2 and cylindrical shell 21 are for removably connecting, in Fig. 1, cylindrical shell 21 rear ends are provided with fixed edge 24 along circumference, on the edge of back shroud 23, be provided with a plurality of bolts hole 234 (Fig. 3), by bolt, the edge of back shroud 23 can be fixed on the fixed edge 24 of cylindrical shell 21, with for convenience detach; And when installation or removal gas-in-liquid formula atomizer 1, without dismounting front top plate 22, so front top plate 22 can be fixed by welding on cylindrical shell 21.
Because gas-in-liquid formula atomizer 1 is silicon carbide ceramics material, for realizing being tightly connected of the atomization gas tube connector 12 of metal material and the atomization gas interface tube 111 of silicon carbide ceramics material, between atomization gas interface tube 111 and atomization gas tube connector 12, be provided with connection sealing element 5.
The structure of connection sealing element 5 specifically as shown in Figure 2, the outer tube 52 that connection sealing element 5 comprises inner tube 51 and is set in inner tube 51 outsides; Atomization gas interface tube 111 is arranged between inner tube 51 and outer tube 52 and is at least connected with outer tube 52.
Concrete, the internal face of outer tube 52 is connected with the outside wall surface contact of atomization gas tube connector 12 by screw thread, and the outside wall surface of inner tube 51 is reduced, and is formed with gap between the internal face of described atomization gas interface tube 111.In the end of atomization gas interface tube 111, between inner tube 51 and outer tube 52, be formed with toroidal cavity, in described toroidal cavity, be provided with sealing ring (not shown).When high-temperature atomizing drive medium enters connection sealing element 5 by atomization tracheae 3, the inner tube 51 of connection sealing element 5 expands, and fill up the gap between the internal face of atomization gas interface tube 111 and the outside wall surface of inner tube 51, thereby for providing once sealing between the pipeline of metal material and the interface of silicon carbide ceramics material; Between the pipeline that the sealing ring arranging in toroidal cavity between inner tube 51 and outer tube 52 is metal material and the interface of silicon carbide ceramics material, provide secondary seal; The internal face of outer tube 52 provides three sealings by being threaded between the outside wall surface of screw thread and atomization gas interface tube 111.
In the utility model, atomization gas tube connector 12 is provided with expansion joint 6 in the one end being connected with connection sealing element 5, expansion joint 6 is connected by welding manner with connection sealing element 5, by expansion joint 6 is set on atomization gas tube connector 12, stress in the time of not only can eliminating 1 installation of gas-in-liquid formula atomizer, and when atomization drive medium enters atomization gas pipe interface 111 from atomization gas tube connector 12, the thermal stress when atomization drive medium that can also eliminate high temperature enters.
In the utility model, in the cylindrical shell 21 of housing 2, be filled with aluminum silicate insulation material, by fill insulant material, not only can alleviate flue-gas temperature impact to external world in desulfurizing tower, the noise in the time of can also absorbing liquid-coated gas desulfurizing/atomizing nozzle work.
On the barrel of cylindrical shell 21, also offer manhole (not shown), on manhole, be covered with access panel, access panel can be bolted on barrel, when needs overhaul gas-in-liquid formula atomizer 1, can open access panel, overhaul and completely with bolt, fix again.
The utility model also provides a kind of desulfurizing tower, is provided with atomizer of the present utility model on this desulfurizing tower, and the housing of described atomizer is fixed on the tower wall of this desulfurizing tower.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (14)
1. an atomizer, comprise gas-in-liquid formula atomizer (1), on described gas-in-liquid formula atomizer (1), be provided with spray nozzle part (11) for spraying, be communicated with the nozzle of described spray nozzle part (11) for be connected the atomization gas tube connector (12) of atomization gas pipeline and be communicated with the nozzle of described spray nozzle part (11) for being connected the slurries tube connector (13) of slurry pipe line, it is characterized in that
Also comprise housing (2), described housing (2) comprises cylindrical shell (21), and the front end of described cylindrical shell (21) is provided with front top plate (22), and the rear end of described cylindrical shell (21) is provided with back shroud (23);
Described front top plate offers the first perforate on (22), nozzle one end of described spray nozzle part (11) is located in described the first perforate, described back shroud offers the second perforate on (23), described atomization gas tube connector (12) is located in described the second perforate, on the barrel of described cylindrical shell (21), offer the 3rd perforate, described slurries tube connector (13) is located in described the 3rd perforate.
2. described atomizer according to claim 1, is characterized in that, described front top plate (22) is parallel with described back shroud (23), and perpendicular to the axis of described cylindrical shell (21).
3. atomizer according to claim 2, is characterized in that, described back shroud (23) and described cylindrical shell (21) are for removably connecting.
4. atomizer according to claim 2, is characterized in that, the front end face of described cylindrical shell (21) stretches out described front top plate (22).
5. atomizer according to claim 1, it is characterized in that, on described spray nozzle part (11), be provided with atomization gas interface tube (111) and slurry pipe interface (112), described atomization gas tube connector (12) is connected with described atomization gas interface tube (111), and described slurries tube connector (13) is connected with described slurry pipe interface (112).
6. atomizer according to claim 5, is characterized in that, between described atomization gas interface tube (111) and described atomization gas tube connector (12), is provided with connection sealing element (5).
7. atomizer according to claim 6, is characterized in that, described connection sealing element (5) comprises inner tube (51) and is set in the outer tube (52) in described inner tube (51) outside;
Described atomization gas interface tube (111) is arranged between described inner tube (51) and described outer tube (52) and is at least connected with described outer tube (52).
8. atomizer according to claim 7, is characterized in that, between the outside wall surface of described inner tube (51) end and the internal face of described atomization gas interface tube (111), is formed with gap.
9. atomizer according to claim 7 is standby, it is characterized in that, the end of described atomization gas interface tube (111) is formed with toroidal cavity between described inner tube (51) and described outer tube (52), in described toroidal cavity, is provided with sealing ring.
10. atomizer according to claim 6, is characterized in that, one end that described atomization gas tube connector (12) is connected with described connection sealing element (5) is provided with expansion joint (6).
11. atomizers according to claim 5, is characterized in that, described atomization gas tube connector (12) is upper is provided with flange (121) in the position that wears described the second perforate, and described flange (121) is fixed on described back shroud (23).
12. according to the atomizer described in claim 1-11 any one, it is characterized in that, described cylindrical shell is filled with aluminum silicate insulation material in (21).
13. according to the atomizer described in claim 1-11 any one, it is characterized in that, on the barrel of described cylindrical shell (21), offers manhole, on described manhole, is covered with access panel.
14. 1 kinds of desulfurizing towers, is characterized in that, include the atomizer described in claim 1-13 any one, and the housing of described atomizer is fixed on the tower wall of described desulfurizing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253427.8U CN203899444U (en) | 2014-05-16 | 2014-05-16 | Nebulizer and desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253427.8U CN203899444U (en) | 2014-05-16 | 2014-05-16 | Nebulizer and desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203899444U true CN203899444U (en) | 2014-10-29 |
Family
ID=51773736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253427.8U Withdrawn - After Issue CN203899444U (en) | 2014-05-16 | 2014-05-16 | Nebulizer and desulfurization tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203899444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607033B (en) * | 2014-05-16 | 2017-02-15 | 北京楚天瑞平环保科技有限责任公司 | Atomization device and desulfurization tower |
-
2014
- 2014-05-16 CN CN201420253427.8U patent/CN203899444U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607033B (en) * | 2014-05-16 | 2017-02-15 | 北京楚天瑞平环保科技有限责任公司 | Atomization device and desulfurization tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20170215 |
|
| AV01 | Patent right actively abandoned |