CN216727895U - Urea nozzle mixing mounting seat, mixer and tail gas aftertreatment device - Google Patents
Urea nozzle mixing mounting seat, mixer and tail gas aftertreatment device Download PDFInfo
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- CN216727895U CN216727895U CN202122845019.4U CN202122845019U CN216727895U CN 216727895 U CN216727895 U CN 216727895U CN 202122845019 U CN202122845019 U CN 202122845019U CN 216727895 U CN216727895 U CN 216727895U
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Abstract
The utility model discloses a urea nozzle mixing mounting seat, a mixer and a tail gas aftertreatment device, which comprise: mount pad upper cover, main part pipe and mixing cylinder, mixing cylinder's one end with mount pad upper cover fixed connection, mixing cylinder's the other end with main part union coupling, mixing cylinder side is provided with water conservancy diversion entry and water conservancy diversion export, mixing cylinder internal surface with form mixing cylinder chamber between main part pipe's the surface, there is the main part lumen in the main part pipe, the main part lumen with mixing cylinder chamber intercommunication. The utility model has the advantages that: through the water conservancy diversion entry and the water conservancy diversion export that mix the cylinder side and set up, introduce waste gas and sweep the urea nozzle, effectively reduce urea at the peripheral crystallization risk of urea nozzle, can adopt the processing method of cutting and punching press, practice thrift the processing cost, batch production is easier, realizes the installation on the different diameter cylinders, improves the installation universality.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a urea nozzle mixing mounting seat, a mixer and a tail gas post-treatment device.
Background
Among the current tail gas processing apparatus, the rationale is that spray into the blast pipe after atomizing urea aqueous solution through urea injection system and mix with tail gas, urea produces the ammonia through pyrolysis and hydrolysis reaction, the ammonia reacts with the harmful oxynitride in the tail gas and turns into nitrogen and water under the effect of catalyst, in current processing apparatus, the urea nozzle mount pad often only has the installation function, the processing method is mostly machining, the processing cost is high, the machined surface is complicated, the commonality is poor, urea crystallization frequently takes place in nozzle department simultaneously, there is very big relevance with the structure of urea nozzle mount pad.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a urea nozzle mixing installation seat, a mixer and a tail gas aftertreatment device, which comprise an installation seat upper cover, a main body pipe and a mixing cylinder body.
Specifically, the utility model discloses a urea nozzle mixing mounting seat, which comprises: mount pad upper cover, main part pipe and mixing cylinder, mixing cylinder's one end with mount pad upper cover fixed connection, mixing cylinder's the other end with main part union coupling, mixing cylinder side is provided with water conservancy diversion entry and water conservancy diversion export, cover on the mount pad and be provided with the through-hole, the through-hole with main part pipe hole is corresponding, main part pipe sets up in the mixing cylinder, mixing cylinder internal surface with form mixing cylinder cavity between main part pipe's the surface, the intraductal main part lumen that has of main part, mixing cylinder cavity with same center pin symmetry is followed to the main part lumen, the main part lumen with mixing cylinder cavity intercommunication.
The utility model has the advantages that: through the water conservancy diversion entry and the water conservancy diversion export that mix cylinder side set up introduce waste gas and sweep the urea nozzle, effectively reduce urea at the peripheral crystallization risk of urea nozzle, being provided with of main part pipe does benefit to the even injection of urea solution, can adopt the processing method of cutting and punching press, practices thrift the processing cost, and batch production is easier, and the installation is welded mixing cylinder and barrel, realizes the installation on the barrel of different diameters, improves the installation universality.
Further, the main tube is a tapered tube.
The technical scheme has the beneficial effects that: the setting of conical tube makes the waste gas that introduces can upwards sweep along the surface of conical tube, forms the air current in urea nozzle department, sweeps the urea nozzle, avoids the urea nozzle crystallization, and partly waste gas is from the intraduct blowout of conical tube simultaneously, makes the distance that the urea sprays increase, is favorable to the hydrolysis and the pyrolysis of urea.
Furthermore, a groove is formed in the side face of the upper cover of the mounting seat, and a step is arranged in the groove.
The beneficial effects of adopting the technical scheme are as follows: the step is used for positioning the mixing column body during installation, and the installation is guaranteed to be free of deviation.
Furthermore, the mounting seat upper cover is provided with a mounting hole.
The beneficial effects of adopting the technical scheme are as follows: the mounting hole is used for mounting with the urea nozzle.
Furthermore, a protruding part is arranged at the joint of the mixing cylinder and the mounting seat upper cover.
The beneficial effects of adopting the technical scheme are as follows: the arrangement of the bulge on the mixing column body is used for positioning the upper cover of the mounting seat, and the mounting is convenient.
Further, the diversion inlet is positioned lower than the diversion outlet.
The beneficial effects of adopting the technical scheme are as follows: the water conservancy diversion entry makes waste gas upwards sweep the urea nozzle along the main part outside of tubes as waste gas entering end, prevents urea nozzle department crystallization, simultaneously because waste gas is given vent to anger that end water conservancy diversion export is less than the water conservancy diversion entry, makes inside partly waste gas enters into the main part pipe, increases the distance that urea solution sprays, makes urea spray more even for the hydrolysis and the pyrolysis of urea.
Furthermore, the side surface of the mixing cylinder is symmetrically provided with a positioning tangent plane.
The beneficial effects of adopting the technical scheme are as follows: the locating surface cooperation that sets up on the location tangent plane on the hybrid cylinder and the barrel makes and can not install after the rotatory certain angle of hybrid cylinder, has fixed the position of this urea hybrid mount pad, location tangent plane symmetry sets up, and the position to hybrid cylinder that can be better restricts, prevents that hybrid cylinder from appearing rocking after the installation, influences tail gas treatment.
Furthermore, a connecting port is arranged above the main body pipe.
The beneficial effects of adopting the technical scheme are as follows: the connection port is used for ensuring that all urea sprayed by the urea nozzle enters the urea mixing mounting seat.
Further, the utility model discloses a mixer, which comprises the urea nozzle mixing mounting seat in any one of the technical schemes.
The beneficial effects of adopting the technical scheme are as follows: contain any of the above-mentioned technical scheme the blender of urea nozzle mixing mount pad, can effectively solve the condition of urea nozzle crystallization, be favorable to urea even injection for the hydrolysis and the pyrolysis of urea.
Furthermore, the utility model also discloses a tail gas aftertreatment device which comprises the mixer in the technical scheme.
The beneficial effects of adopting the technical scheme are as follows: the tail gas aftertreatment device comprising the mixer in the technical scheme can improve the tail gas treatment efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a view showing a structure of a urea nozzle mixing mount according to the present invention
FIG. 2 is a view showing the structure of the installation of the urea nozzle mixing mounting base and the cylinder body according to the present invention
FIG. 3 is a view of the structure of the upper cover of the mounting base of the present invention
FIG. 4 is a view showing the structure of the main tube of the present invention
FIG. 5 is a schematic view of a mixing column of the present invention
Wherein the reference numbers referred to in the figures are as follows:
an upper cover 1 of the mounting seat; a through hole 11; a groove 12; a mounting hole 13; a main body tube 2; a connection port 21; a mixing cylinder 3; a flow guide inlet 311; a flow guide outlet 312; a boss 32; positioning a tangent plane 33; a cylinder 4; a mixing cylinder chamber 5; a main body lumen 6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figures, the present invention discloses a urea nozzle mixing mount comprising: mount pad upper cover 1, main part pipe 2 and mixing cylinder 3, mixing cylinder 3 one end with mount pad upper cover fixed connection, mixing cylinder 3 the other end with main part pipe 2 is connected, mixing cylinder 3 side is provided with water conservancy diversion entry 311 and water conservancy diversion export 312, be provided with through-hole 11 on the mount pad upper cover 11, through-hole 11 with main part pipe 2 is corresponding, main part pipe 2 sets up in the mixing cylinder 3, mixing cylinder 3 internal surface with form mixing cylinder cavity 5 between main part pipe 2's the surface, there is main part lumen 6 in the main part pipe 2, mixing cylinder cavity 5 with main part lumen 6 is along same center pin symmetry, main part lumen 6 with mixing cylinder cavity 5 intercommunication.
The utility model has the advantages that: through water conservancy diversion entry 311 and water conservancy diversion export 312 that the mixing cylinder 3 side set up, waste gas gets into from water conservancy diversion entry 311, forms the cyclone at the top of mixing the main part chamber, sweeps the urea nozzle, effectively reduces urea at the peripheral crystallization risk of urea nozzle, and gas enters into main part lumen 6 simultaneously, being provided with of main part pipe 2 does benefit to the even injection of urea solution, and unnecessary gas flows out from water conservancy diversion export 312, can adopt the processing method of cutting and punching press, practices thrift processing cost, and batch production is easier, welds mixing cylinder 3 and barrel 4 when the installation, realizes the installation on different diameter barrels 4, improves the installation universality.
Further, the main body tube 2 is a tapered tube.
The beneficial effects of adopting the technical scheme are as follows: the setting of conical tube makes the waste gas that introduces can upwards sweep along the surface of conical tube, forms the air current in urea nozzle department, sweeps the urea nozzle, avoids the urea nozzle crystallization, and partly waste gas is from the intraduct blowout of conical tube simultaneously, makes the distance that the urea sprays increase, is favorable to the hydrolysis and the pyrolysis of urea.
In some embodiments, the main pipe 2 may also adopt a structure scheme that the main pipe 2 may be cylindrical, and the side surface may be provided with an arc-shaped groove to guide the exhaust gas to the urea nozzle, and may also be in other shapes that satisfy the function of guiding the exhaust gas.
In some embodiments, the mounting seat upper cover 1 further adopts the following structural scheme that a groove 12 is arranged on the side surface of the mounting seat upper cover 1, and a step is arranged in the groove 12.
The beneficial effects of adopting the technical scheme are as follows: the step is used for positioning the mixing column 3 during installation, so that no deviation is generated during installation.
In some embodiments, the mounting seat upper cover 1 adopts a structure scheme that the mounting seat upper cover 1 is provided with mounting holes 13, the mounting holes 13 are identical in size, two of the mounting holes 13 are symmetrically arranged, and the other mounting hole 13 is arranged on a symmetry line.
The beneficial effects of adopting the technical scheme are as follows: the mounting holes 13 are used for mounting with the urea nozzle, and the mounting holes 13 with the same size are arranged to facilitate mounting.
In some embodiments, the mixing cylinder 3 may adopt a structure scheme that a boss 32 is provided at a connection part of the mixing cylinder 3 and the mount upper cover 1.
The beneficial effects of adopting the technical scheme are as follows: the arrangement of the convex part 32 on the mixing cylinder 3 is used for positioning the mounting seat upper cover 1, so that the mixing cylinder 3 and the mounting seat upper cover 1 can be conveniently mounted.
In some embodiments, the flow guide inlet 311 and the flow guide outlet 312 may adopt a structure scheme that the flow guide inlet 311 is positioned higher than the flow guide outlet 312, and the flow guide outlet 312 is smaller than the flow guide inlet 311.
The beneficial effects of adopting the technical scheme are as follows: the water conservancy diversion entry 311 is held as the waste gas admission, makes waste gas upwards sweep the urea nozzle along the main part pipe 2 outside, prevents urea nozzle department crystallization, simultaneously because waste gas is given vent to anger end water conservancy diversion export 312 and is less than water conservancy diversion entry 311, makes inside some waste gas enters into main part pipe 2, increases the distance that urea solution sprays, makes urea spray more even for the hydrolysis and the pyrolysis of urea.
In some embodiments, the mixing cylinder 3 may also adopt a structure scheme that the mixing cylinder 3 is provided with a positioning section 33 symmetrically at the side.
The beneficial effects of adopting the technical scheme are as follows: the locating surface cooperation that sets up on location tangent plane 33 on the hybrid cylinder 3 and the barrel 4 makes and can not install after 3 rotatory certain angles of hybrid cylinder, location tangent plane 33 symmetry sets up, and the position to hybrid cylinder 3 that can be better limits, prevents that hybrid cylinder 3 from appearing rocking after the installation, influences tail gas treatment.
In some embodiments, the main tube 2 may adopt a structure in which a connection port 21 is disposed above the main tube 2, the connection port 21 is a cylinder, and a gap is left between an upper end of the cylinder and the mounting seat upper cover 1.
The beneficial effects of adopting the technical scheme are as follows: the connecting port 21 is used for ensuring that all urea sprayed by the urea nozzle enters the urea mixing mounting seat, and the introduced waste gas can sweep the urea nozzle mounted above under the action of the gap, so that the risk of crystallization of the urea nozzle and the urea nozzle mixing mounting seat is reduced.
In some embodiments, the present disclosure provides a mixer comprising a urea nozzle mixing mount as described in any one of the above claims.
The beneficial effects of adopting the technical scheme are as follows: contain any of the above-mentioned technical scheme the blender of urea nozzle mixing mount pad, can effectively solve the condition of urea nozzle crystallization, be favorable to urea evenly to spray for the hydrolysis and the pyrolysis of urea.
In some embodiments, the utility model also discloses an exhaust gas aftertreatment device, which comprises the mixer in the technical scheme.
The beneficial effects of adopting the technical scheme are as follows: the tail gas aftertreatment device comprising the mixer in the technical scheme can improve the tail gas treatment efficiency.
During the use, with mount pad upper cover 1, mixing cylinder 3, main part pipe 2 welds, with mixing cylinder 3 and barrel 4 welding, the mounting hole 13 and the urea nozzle that mount pad upper cover 1 set up are connected, main part pipe 2 set up and make urea can evenly spray, and waste gas can be introduced to the water conservancy diversion entry 311 that sets up simultaneously on the mixing cylinder 3, effectually sweeps the urea nozzle, reduces the risk of urea crystallization on the urea nozzle, and the waste gas of introducing simultaneously makes the distance that urea sprays increase, is favorable to the hydrolysis and the pyrolysis of urea. The welding connection mode can better connect the utility model with the cylinders 4 with different diameters, thereby improving the installation universality, and meanwhile, the processing is quicker by adopting the processing modes of stamping and cutting, thereby realizing large-scale production.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A urea nozzle mixing mount, comprising: an upper cover (1) of the mounting seat, a main body pipe (2) and a mixing cylinder body (3), wherein one end of the mixing cylinder body (3) is fixedly connected with the upper cover (1) of the mounting seat, the other end of the mixing column body (3) is connected with the main body pipe (2), a flow guide inlet (311) and a flow guide outlet (312) are arranged on the side surface of the mixing column body (3), a through hole (11) is arranged on the mounting seat upper cover (1), the through hole corresponds to the main body pipe hole, the main body pipe (2) is arranged in the mixing cylinder body (3), a mixing cylinder body cavity (5) is formed between the inner surface of the mixing cylinder body (3) and the outer surface of the main body pipe (2), there is main part lumen (6) in main part pipe (2), mix column body chamber (5) with main part lumen (6) are along same central axis symmetry, main part lumen (6) with mix column body chamber (5) intercommunication.
2. Urea nozzle mixing mount according to claim 1, characterized in that the main tube (2) is a conical tube.
3. Urea nozzle mixing mounting according to claim 1, characterized in that the mounting upper cover (1) is provided with a groove (12) in its side, wherein a step is provided in the groove (12).
4. Urea nozzle mixing mounting according to claim 1, characterized in that the mounting upper cover (1) is provided with mounting holes (13).
5. Urea nozzle mixing mount according to claim 1, characterized in that the junction of the mixing cylinder (3) and the mount top cover (1) is provided with a protrusion (32).
6. The urea nozzle mixing mount of claim 1, wherein the diversion inlet (311) is located lower than the diversion outlet (312).
7. Urea nozzle mixing mount according to claim 1, characterized in that the mixing cylinder (3) is provided with positioning cut-outs (33) symmetrically on the side.
8. Urea nozzle mixing mounting according to claim 2, characterized in that a connection opening (21) is provided above the main tube (2).
9. A mixer comprising a urea nozzle mixing mount according to any one of claims 1-8.
10. An exhaust gas aftertreatment device comprising the mixer of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845019.4U CN216727895U (en) | 2021-11-19 | 2021-11-19 | Urea nozzle mixing mounting seat, mixer and tail gas aftertreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845019.4U CN216727895U (en) | 2021-11-19 | 2021-11-19 | Urea nozzle mixing mounting seat, mixer and tail gas aftertreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216727895U true CN216727895U (en) | 2022-06-14 |
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ID=81929224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122845019.4U Active CN216727895U (en) | 2021-11-19 | 2021-11-19 | Urea nozzle mixing mounting seat, mixer and tail gas aftertreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216727895U (en) |
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2021
- 2021-11-19 CN CN202122845019.4U patent/CN216727895U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 first and second floors, No. 38, Yuxi Road, Qiandeng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Fenghong Weike Emission Control Technology (Kunshan) Co.,Ltd. Address before: 215000 first and second floors, No. 38, Yuxi Road, Qiandeng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: EMINOX EXHAUST CONTROL SYSTEM (KUNSHAN) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |