CN217312689U - Accelerating chamber and SER denitration device - Google Patents
Accelerating chamber and SER denitration device Download PDFInfo
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- CN217312689U CN217312689U CN202220246211.3U CN202220246211U CN217312689U CN 217312689 U CN217312689 U CN 217312689U CN 202220246211 U CN202220246211 U CN 202220246211U CN 217312689 U CN217312689 U CN 217312689U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses an acceleration chamber and SER denitration equipment, wherein, the acceleration chamber comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline is provided with an adsorption cavity and an adsorption port communicated with the adsorption cavity; the second pipeline includes shaft section and throat section, the internal diameter of throat section is the convergent setting along the direction of keeping away from the shaft section, the absorption intracavity is arranged in to the throat section, the shaft section is at least partly arranged in outside the absorption intracavity, the entry end of third pipeline is connected with the absorption chamber, the exit end is arranged in first pipeline outside, the internal diameter of the entry end of third pipeline is greater than the internal diameter of throat section, the absorption clearance has between the port of third pipeline entry end and the port of throat section, the absorption clearance corresponds the absorption mouth. The utility model discloses technical scheme can improve material conveying efficiency.
Description
Technical Field
The utility model relates to a denitration device technical field, in particular to room and SER denitration device accelerate.
Background
The technical principle of the synergistic reduction denitration method (SER) is that NOX is efficiently reduced through the synergistic effect of a catalytic substance and modified amine, and the aim of denitration is further fulfilled. The modified amine adopts nitrogen sources with low valence, such as urea and the like, as reducing agents, and the catalytic substances can effectively improve the conversion rate and degree of the amine and the NOX. After the materials are put in the feeding station, the materials need to be mixed and accelerated through an accelerating chamber, then a proper feeding position is selected on a boiler, and the denitration agent dry powder is sprayed in, so that the denitration agent and the flue gas are fully mixed. The existing accelerator has low conveying speed, and the mixing efficiency of catalytic substances and NOx is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an accelerating chamber, aiming at improving the material conveying efficiency.
In order to achieve the above object, the present invention provides an acceleration chamber, including:
the first pipeline is provided with an adsorption cavity and an adsorption port communicated with the adsorption cavity;
the second pipeline comprises a pipe body section and a necking section, the inner diameter of the necking section is arranged in a gradually-reduced mode along the direction far away from the pipe body section, the necking section is arranged in the adsorption cavity, and at least part of the pipe body section is arranged outside the adsorption cavity; and
the inlet end of the third pipeline is connected with the adsorption cavity, the outlet end of the third pipeline is arranged outside the first pipeline, the inner diameter of the inlet end of the third pipeline is larger than that of the end part of the reducing section, an adsorption gap is formed between the port of the inlet end of the third pipeline and the port of the reducing section, and the adsorption gap corresponds to the adsorption port.
Optionally, the inner diameter of the inlet end of the third pipeline is arranged in a tapering manner, and the tapering direction is the same as that of the inner diameter of the necking section.
Optionally, the third pipe includes a tapered section and an accelerating section, the tapered section is disposed in the adsorption cavity, an inner diameter of the tapered section is disposed in a tapered manner in a direction approaching the accelerating section, and the inner diameter of the accelerating section is not greater than a minimum inner diameter of the tapered section.
Optionally, the third pipe further comprises a divergent section, and a divergent direction of the divergent section caliber is the same as a convergent direction of the convergent section.
Optionally, the inner diameter of the inlet end of the third pipeline is arranged in a gradually expanding manner, and the gradually expanding direction is the same as the gradually reducing direction of the inner diameter of the necking section.
Optionally, the acceleration chamber further comprises a fourth pipe, the fourth pipe comprises a mounting section and a connecting section, the connecting section is mounted on the adsorption port, and the mounting section is used for being connected with an external member.
Optionally, the angle between the axis of the connecting section and the axis of the first conduit is in the range 30 ° to 150 °.
Optionally, the angle between the axis of the connecting section and the axis of the first conduit is in the range of 60 ° to 120 °.
The utility model also provides a SER denitration device, include: the device comprises a feeding station, an acceleration chamber communicated with the feeding station, a distributor communicated with the acceleration chamber, a spray gun communicated with the distributor and a boiler communicated with the spray gun, wherein the acceleration chamber is the acceleration chamber.
The technical proposal of the utility model adopts a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline is provided with an adsorption cavity and an adsorption port communicated with the adsorption cavity; the second pipeline includes pipe shaft section and throat section, the internal diameter of throat section is the convergent setting along the direction of keeping away from the pipe shaft section, thereby improve fluidic velocity of flow, the absorption intracavity is arranged in to the throat section, the pipe shaft section is at least partly arranged in outside the absorption chamber, conveniently be connected with other equipment, the entry end of third pipeline is connected with the absorption chamber, first pipeline outside is arranged in to the exit end, the internal diameter of the entry end of third pipeline is greater than the internal diameter of throat section, the adsorption gap has between the port of third pipeline entry end and the port of throat section, the adsorption gap corresponds the absorption mouth, thereby constitute the venturi structure between first pipeline and second pipeline, produce the venturi effect in the adsorption gap, make the material of absorption mouth can be adsorbed and get into the absorption chamber, improve material conveying efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an acceleration chamber of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the acceleration chamber of the present invention;
FIG. 3 is a schematic structural view of another embodiment of the acceleration chamber of the present invention;
fig. 4 is a schematic structural view of another embodiment of the acceleration chamber of the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
32 | |
| 10 | |
33 | |
| 11 | |
34 | |
| 12 | |
35 | |
| 20 | |
40 | |
| 21 | |
50 | The |
| 22 | |
51 | |
| 30 | |
52 | Connecting |
| 31 | Tapered |
60 | Flange |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an acceleration chamber.
Referring to fig. 1 to 4, in the embodiment of the present invention, the acceleration chamber 100 includes a first pipe 10, a second pipe 20, and a third pipe 30, where the first pipe 10 has an adsorption cavity 11 and an adsorption port 12 communicated with the adsorption cavity 11; the second pipeline 20 comprises a pipe body section 21 and a reducing section 22, the inner diameter of the reducing section 22 is arranged in a reducing manner along the direction far away from the pipe body section 21, the reducing section 22 is arranged in the adsorption cavity 11, and at least part of the pipe body section 21 is arranged outside the adsorption cavity 11; the inlet end 34 of the third pipeline 30 is connected with the adsorption cavity 11, the outlet end 35 is arranged outside the first pipeline 10, the inner diameter of the inlet end 34 of the third pipeline 30 is larger than that of the end part of the necking section 22, an adsorption gap 40 is arranged between the port of the inlet end 34 of the third pipeline 30 and the port of the necking section 22, and the adsorption gap 40 corresponds to the adsorption port 12.
The two ends of the first pipeline 10 are provided with mounting ports, the second pipeline 20 and the third pipeline 30 are respectively connected with the first pipeline 10 through the mounting at one end, in one mode, the adsorption port 12 is directly connected with a feeding station, the first pipeline 10, the second pipeline 20 and the third pipeline 30 can be made of steel, the second pipeline 20 is connected with a fan, the reducing section 22 is in a reducing arrangement, the flow velocity of wind fluid passing through the second pipeline 20 in the reducing section 22 is increased, the pressure is reduced, the inner diameter of the inlet end 34 of the third pipeline 30 is larger than that of the reducing section 22, a Venturi effect is formed between the two, the adsorption gap 40 forms the throat part of the Venturi tube, the adsorption effect is generated at the position, and therefore the material of the adsorption port 12 is sucked to enable the material to enter the third pipeline 30. By reference, the principle of the venturi effect is that when wind blows over an obstacle, the air pressure is relatively low near the port above the lee side of the obstacle, creating an adsorption effect and causing a flow of air. The venturi principle is simple in that it provides a "vacuum" zone behind the venturi outlet (between the taper and the flare) by increasing the gas flow rate from a larger flow to a smaller flow. When the vacuum area is close to the workpiece, a certain adsorption effect is generated on the workpiece.
The technical proposal of the utility model is that by adopting a first pipeline 10, a second pipeline 20 and a third pipeline 30, the first pipeline 10 is provided with an adsorption cavity 11 and an adsorption port 12 communicated with the adsorption cavity 11; the second pipeline 20 comprises a pipe body section 21 and a necking section 22, the inner diameter of the necking section 22 is arranged in a tapering manner along the direction far away from the pipe body section 21, so that the flow rate of fluid is improved, the necking section 22 is arranged in the adsorption cavity 11, at least part of the pipe body section 21 is arranged outside the adsorption cavity 11 and is conveniently connected with other equipment, the inlet end 34 of the third pipeline 30 is connected with the adsorption cavity 11, the outlet end 35 is arranged outside the first pipeline 10, the inner diameter of the inlet end 34 of the third pipeline 30 is larger than that of the end part of the necking section 22, an adsorption gap 40 is arranged between the port of the inlet end 34 of the third pipeline 30 and the port of the necking section 22, the adsorption gap 40 corresponds to the adsorption port 12, so that a venturi structure is formed between the first pipeline 10 and the second pipeline 20, and a venturi effect is generated in the adsorption gap 40, so that materials of the adsorption port 12 can be adsorbed into the adsorption cavity 11, and the material conveying efficiency is improved.
Referring to fig. 2, in an embodiment, the inlet end 34 of the third pipe 30 is connected to the nozzle of the first pipe 10, so that the inner diameter of the third pipe 30 is larger than the inner diameter of the port of the reduced section 22 of the second pipe 20, and the suction force is generated at the suction gap 40.
Referring to fig. 3, in another embodiment, the inlet end 34 of the third conduit 30 has a diverging inner diameter, and the diverging direction is the same as the direction of the inner diameter of the converging section 22. The adsorption gap 40 is realized to generate adsorption force.
Referring to fig. 4, in a further embodiment, the third pipe 30 includes a tapered section 31 and an accelerating section 32, the tapered section 31 is disposed in the adsorption cavity 11, an inner diameter of the tapered section 31 is tapered in a direction approaching the accelerating section 32, and an inner diameter of the accelerating section 32 is not greater than a minimum inner diameter of the tapered section 31. In this embodiment, the material enters the adsorption cavity 11 from the adsorption port 12 and then enters the tapered section 31 of the third pipeline 30, and the flow rate of the material passing through the tapered section 31 of the third pipeline 30 is increased.
Referring to fig. 1, in a further embodiment, the third pipe 30 further includes a diverging section 33, and a diverging direction of an aperture of the diverging section 33 is the same as a tapering direction of the converging section 31. The divergent section 33 is arranged behind the acceleration section 32, the third pipeline 30 forms a venturi tube independently, the secondary acceleration of materials is realized, and a flowmeter can be arranged to facilitate data measurement.
In other embodiments, the inner diameter of the inlet end 34 of the third conduit 30 is tapered, i.e. only the tapered section 31 is provided as shown in fig. 3, and the tapered direction is the same as the tapered direction of the inner diameter of the tapered section 22. That is, the inlet end 34 of the third pipe 30 is formed with a tapered inner diameter having the same tapered direction as the second pipe 20 but different in size, and the suction force can be generated at the suction gap 40.
Referring to fig. 1 to 4, further, the acceleration chamber 100 further includes a fourth pipe 50, the fourth pipe 50 includes a mounting section 51 and a connection section 52, the connection section 52 is mounted to the adsorption port 12, and the mounting section 51 is configured to be connected to an external component.
Specifically, a flange 60 is welded to the mounting section 51, and the mounting section 51 is connected to an outer member via the flange 60.
The fourth pipeline 50 is connected with a feeding station or a bin in the denitration device through a flange 60, materials in the feeding station or the bin enter the adsorption cavity 11 through the fourth pipeline 50, and the adsorption gap 40 generates adsorption force to suck the materials through the venturi effect formed by the second pipeline 20 and the third pipeline 30, so that the material conveying efficiency is improved.
Further, the included angle between the axis of the connecting section 52 and the axis of the first pipeline 10 ranges from 30 degrees to 150 degrees.
The connecting section 52 is obliquely arranged with the first pipeline 10, so that the pipe orifice of the connecting section 52 corresponds to the adsorption gap 40, the material can be better sucked, and when the included angle between the axis of the connecting section 52 and the axis of the first pipeline 10 is smaller than 30 degrees or larger than 150 degrees, the connecting section 52 and the first pipeline 10 are inconvenient to process.
Specifically, the included angle between the axis of the connecting section 52 and the axis of the first pipeline 10 ranges from 60 ° to 120 °.
In this embodiment, the included angle between the axis of the connecting section 52 and the axis of the first pipeline 10 is 60 °, which not only ensures that the material enters the third pipeline 30 from the adsorption gap 40, but also ensures that the processing is convenient.
The working principle is as follows: an operator puts materials from a feeding station and a storage bin, the materials can enter an adsorption cavity 11 of a first pipeline 10 from a fourth pipeline 50, a second pipeline 20 is connected with a fan, wind fluid enters the adsorption cavity 11 of the first pipeline 10 from the second pipeline 20, a necking section 22 of the second pipeline 20 is arranged in a tapering mode, the flow rate of the wind fluid is accelerated after the wind fluid passes through the section, the pressure is reduced, the suction gap 40 reserved between the wind fluid and the third pipeline 30 is vacuumized to generate adsorption force after the wind fluid enters the third pipeline 30 due to the fact that the inner diameter of an inlet end 34 of the third pipeline 30 is larger than that of the necking section 22, the materials in the fourth pipeline 50 are sucked and enter the adsorption cavity 11, the materials enter the third pipeline 30 and increase the flow speed of the materials after passing through the third pipeline 30, and finally flow out through an outlet end 35 of the third pipeline 30, compared with the existing acceleration chamber, the acceleration chamber 100 of the scheme passes through the first pipeline 10, the second pipeline 20 is connected with the fan, and the air flow rate of the third pipeline 30 is increased, The second pipeline 20 and the third pipeline 30 form a structure inside a venturi, so that a venturi effect is generated, the flow of materials is accelerated, and the conveying efficiency of the materials is greatly improved
The utility model also provides a SER denitration device, this SER denitration device including throw the material station, with throw material station be linked together with higher speed room 100, with higher speed the distributor that room 100 is linked together, with the spray gun that the distributor is linked together and with the boiler that the spray gun is linked together, this concrete structure of room 100 refers to above-mentioned embodiment with higher speed, because this SER denitration device has adopted the whole technical scheme of all above-mentioned embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, gives unnecessary repeated description one by one here again.
The technical principle of the synergistic reduction denitration method (SER) is that NOX is efficiently reduced through the synergistic effect of a catalytic substance and modified amine, and the aim of denitration is further fulfilled. The modified amine adopts a nitrogen source containing low valence such as urea and the like as a reducing agent, and the catalytic substance can effectively improve the conversion rate and degree of the amine and the NOX. The SER process is to select a proper feeding position on a boiler, spray a denitrifier into the boiler, fully mix the denitrifier with flue gas, and react with NOX at the temperature of 650 plus 950 ℃ to achieve the aim of denitration, wherein the main products are H2O, N2, CO2 and other nontoxic gases and common flue gas components.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. An acceleration chamber, comprising:
the first pipeline is provided with an adsorption cavity and an adsorption port communicated with the adsorption cavity;
the second pipeline comprises a pipe body section and a necking section, the inner diameter of the necking section is gradually reduced along the direction far away from the pipe body section, the necking section is arranged in the adsorption cavity, and at least part of the pipe body section is arranged outside the adsorption cavity; and
the inlet end of the third pipeline is connected with the adsorption cavity, the outlet end of the third pipeline is arranged outside the first pipeline, the inner diameter of the inlet end of the third pipeline is larger than that of the end part of the necking section, an adsorption gap is formed between the port of the inlet end of the third pipeline and the port of the necking section, and the adsorption gap corresponds to the adsorption port.
2. The acceleration chamber of claim 1, characterized in that the inlet end of the third pipe has an inner diameter that tapers in the same direction as the inner diameter of the converging section.
3. The acceleration chamber of claim 1 wherein the third conduit includes a tapered section and an acceleration section, the tapered section disposed within the adsorption cavity, the tapered section having an inner diameter that tapers in a direction proximate the acceleration section, the acceleration section having an inner diameter that is no greater than a minimum inner diameter of the tapered section.
4. The acceleration chamber of claim 3, characterized in that the third duct further comprises a diverging section, the diverging direction of the diverging section caliber being the same as the tapering direction of the converging section.
5. The acceleration chamber of claim 1, characterized in that the inlet end of the third pipe has a diverging inner diameter, the direction of the diverging inner diameter being the same as the direction of the converging inner diameter of the converging section.
6. An acceleration chamber according to claim 1, characterized in that it further comprises a fourth duct comprising a mounting section and a connection section, said connection section being mounted to said adsorption port, said mounting section being adapted to be connected to an external member.
7. The acceleration chamber of claim 6, characterized in that the axis of the connecting section is at an angle ranging from 30 ° to 150 ° to the axis of the first duct.
8. The acceleration chamber of claim 7, characterized in that the axis of the connecting section is at an angle ranging from 60 ° to 120 ° to the axis of the first duct.
9. An acceleration chamber according to claim 6, characterized in that a flange is welded onto the mounting section, by means of which flange the mounting section is connected with an outer part.
10. A SER denitration apparatus, comprising: a feeding station, an acceleration chamber in communication with the feeding station, a distributor in communication with the acceleration chamber, a lance in communication with the distributor, and a boiler in communication with the lance, wherein the acceleration chamber is the acceleration chamber of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220246211.3U CN217312689U (en) | 2022-01-29 | 2022-01-29 | Accelerating chamber and SER denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220246211.3U CN217312689U (en) | 2022-01-29 | 2022-01-29 | Accelerating chamber and SER denitration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217312689U true CN217312689U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220246211.3U Active CN217312689U (en) | 2022-01-29 | 2022-01-29 | Accelerating chamber and SER denitration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217312689U (en) |
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2022
- 2022-01-29 CN CN202220246211.3U patent/CN217312689U/en active Active
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