CN212309315U - Reaction sintering silicon carbide ceramic SMP desulfurization nozzle - Google Patents
Reaction sintering silicon carbide ceramic SMP desulfurization nozzle Download PDFInfo
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- CN212309315U CN212309315U CN202020335286.XU CN202020335286U CN212309315U CN 212309315 U CN212309315 U CN 212309315U CN 202020335286 U CN202020335286 U CN 202020335286U CN 212309315 U CN212309315 U CN 212309315U
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Abstract
The utility model discloses a reaction sintering silicon carbide ceramic SMP desulfurization nozzle, which comprises a silicon carbide main body, wherein both ends of the silicon carbide main body are respectively provided with a feed inlet and a discharge outlet, one end of the silicon carbide main body close to the discharge outlet is integrally connected with a conical section, the outer side of the conical section close to the center is integrally connected with a nozzle section which has an integral structure and is cylindrical, and the discharge outlet is arranged in the nozzle section; the utility model can uniformly spray the desulfurization slurry, has large coverage area, can improve the separation effect, has simple integral structure and easy guarantee of integral size, can further guarantee the spraying angle, is integrally manufactured and is convenient to manufacture; meanwhile, the internal blade structure is beneficial to the rotary ejection of the slurry, the good spraying effect can be achieved by the small flow passage pressure, and the energy consumption is reduced.
Description
Technical Field
The utility model relates to a desulfurization nozzle, specific theory relates to a but spraying contains the more thick liquid of granule impurity, is difficult for blockking up, large-traffic, corrosion-resistant, spray even reaction sintering silicon carbide pottery SMP desulfurization nozzle, belongs to desulfurization technical field.
Background
With the development and wide application of wet flue gas desulfurization technology, the high-efficient atomization of desulfurization medium has always been the focus of people's attention, and the atomizing mode that is commonly used at present mostly adopts the desulfurization nozzle to atomize, and the desulfurization nozzle is one kind and spouts the limestone slurry through high pressure load, reacts with the sulphide in the flue gas, reaches the desulfurization environmental protection equipment of desulfurization effect, is the important means that reduces the emission of sulphide in the industrial production, protection atmospheric environment.
The existing desulfurization nozzle has the integral structure as patent numbers: 201020004269.4, the overall structure of the bowl-shaped nozzle comprises a water inlet, a connecting thread, a cavity, two S-shaped blades, a throat cavity and a water outlet, the overall structure of the water outlet, the connecting thread, the cavity, the two S-shaped blades, the throat cavity and the water outlet is an integral structure, and the two S-shaped blades are core components and can pass granular substances.
Above-mentioned this type of nozzle can be used for spraying the more thick liquid that contains granule impurity and realize desulfurization dust removal effect, but this type of nozzle all has stainless steel, steel material to make, overall structure corrosion resistance is poor, life is short to whole size is little, and then the nozzle receives the influence of flow, spraying angle, nozzle inner structure, the solid particle diameter of letting through is less, the nozzle easily blocks up, spray inhomogeneous, be difficult to satisfy stricter industrial waste gas emission standard and sulphide treatment demand day by day.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a but spraying contains the more thick liquid of granule impurity, can allow through solid particle diameter big, be difficult for blockking up, spray even reaction sintering silicon carbide pottery SMP desulfurization nozzle.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a reaction sintering carborundum pottery SMP desulfurization nozzle, includes the carborundum main part, and the both ends of carborundum main part are provided with feed inlet and discharge gate respectively, and the one end an organic whole that the carborundum main part is close to the discharge gate is connected with the cone section, and the outside of cone section is close to center department an organic whole and is connected with overall structure and be cylindric spout section, and the discharge gate setting is in spout section.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the integral structure of carborundum main part is cylindricly, and its inside is provided with cylindric cavity, feed inlet and discharge gate are close to the one end side of cavity and communicate with the cavity respectively.
Further optimization: the silicon carbide blade is characterized in that a liquid material dispersion assembly is arranged in the silicon carbide main body and comprises a first blade and a second blade which are integrally arranged in the silicon carbide main body.
Further optimization: the cross section shapes of the first blade and the second blade are S-shaped, and the first blade and the second blade are arranged in an X-shaped staggered mode.
Further optimization: the cross section of the discharge hole in the nozzle section is conical, and the conical angle alpha of the conical discharge hole is 90-140 degrees
Further optimization: and an arc transition surface is arranged on the inner wall of the nozzle section close to the discharge hole.
Further optimization: one end an organic whole that is close to the feed inlet in the carborundum main part is connected with connecting portion, the feed inlet sets up in connecting portion.
Further optimization: the connecting part is provided with a connecting thread which is a 60-degree conical pipe thread.
The above technical scheme is adopted in the utility model, when using, the convenient SMP desulfurization nozzle of this reaction sintering carborundum pottery of connecting thread on the accessible connecting portion couples together with the infusion pipeline, the desulfurization thick liquid of carrying passes through in the feed inlet entering cavity in the infusion pipeline, and make the desulfurization thick liquid produce the whirl through first blade and second blade, the flow of desulfurization thick liquid with higher speed, and first blade, second blade have the water conservancy diversion effect, make the desulfurization thick liquid evenly by the discharge gate blowout, abundant and the sulphide reaction in the flue gas, improve the desulfurization effect.
The utility model adopts the above technical scheme, the conception is ingenious, the structure is reasonable, the desulfurization slurry can be uniformly sprayed out, the spraying uniform coverage area is large, the separation effect can be improved, simultaneously the nozzle blockage caused by the existence of large-particle-size materials in the desulfurization slurry can be avoided, the flue gas desulfurization effect can be ensured, the overall structure is simple, the overall size is easy to ensure, the spraying angle can be ensured, the overall structure is integrally manufactured, and the manufacture is convenient; the silicon carbide nozzle is light in weight, the density is about 3.02g/cm3, the silicon carbide nozzle is reduced by more than one time compared with a metal nozzle, and the weight of a spraying layer can be reduced and the service life of a spraying system can be prolonged by using the silicon carbide nozzle in a spraying and atomizing requirement environment with the same slurry flow and spraying angle; meanwhile, the internal blade structure is beneficial to the rotary ejection of the slurry, the good spraying effect can be achieved by the small flow passage pressure, and the energy consumption is reduced.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a cross-sectional view of the overall structure in an embodiment of the present invention;
fig. 3 is another perspective cross-sectional view of the overall structure in an embodiment of the invention.
In the figure: 1-a silicon carbide body; 2-a nozzle section; 3-a first blade; 4-a second blade; 5-a connecting part; 6-a feed inlet; 7-discharging port; 8-a conical section; 9-cavity.
Detailed Description
Example (b): referring to fig. 1-3, a reaction sintering silicon carbide ceramic SMP desulfurization nozzle comprises a cylindrical silicon carbide main body 1, wherein a feed inlet 6 and a discharge outlet 7 are respectively arranged at two ends of the silicon carbide main body 1, one end of the silicon carbide main body 1 close to the discharge outlet 7 is integrally connected with a conical section 8, a cylindrical nozzle section 2 with an integral structure is integrally connected to the outer side of the conical section 8 close to the center, and the discharge outlet 7 is arranged in the nozzle section 2.
The silicon carbide body 1 is internally provided with a cylindrical cavity 9 with an integral structure, and one end sides of the feed inlet 6 and the discharge outlet 7 close to the cavity 9 are respectively communicated with the cavity 9.
By the design, the integral structure of the silicon carbide main body 1 is made of a silicon carbide material through sintering, so that the integral structure is high in wear resistance and corrosion resistance, and the service life of the integral structure is prolonged;
and the desulfurization slurry to be used can enter the cavity 9 through the feeding hole 6 and then can be discharged through the discharging hole 7.
The cross section of the conical section 8 is conical, a conical cavity is arranged in the conical section, and the conical cavity is respectively communicated with the cavity 9 and the discharge hole 7.
Design like this, the circular conical cavity of accessible makes in the desulfurization thick liquid can be even gets into discharge gate 7 from centering in the cavity 9, and then improves defeated material effect, improves the ejection of compact and sprays the effect.
The silicon carbide blade is characterized in that a liquid material dispersion assembly is arranged in the silicon carbide main body 1 and comprises a first blade 3 and a second blade 4 which are integrally arranged in the silicon carbide main body 1.
The cross section shapes of the first blade 3 and the second blade 4 are both S-shaped, and the first blade 3 and the second blade 4 are arranged in an X-shaped staggered mode.
Design like this, the desulfurization thick liquid that makes in getting into the cavity 9 by feed inlet 6 makes the desulfurization thick liquid produce the whirl through first blade 3 and second blade 4, the flow of desulfurization thick liquid with higher speed to can avoid the jam of nozzle, the water conservancy diversion effect of the first blade 3 of S type, second blade 4 simultaneously, make the desulfurization thick liquid can evenly spray, abundant and the sulphide reaction in the flue gas, improve desulfurization effect.
The cross section of the discharge hole 7 in the nozzle section 2 is conical, the conical angle of the conical discharge hole 7 is a spraying angle, and the spraying angle alpha is 90-140 degrees
By adopting the design, the desulfurization slurry sprayed out of the discharge port 7 can be sprayed out in a solid cone shape through the conical discharge port 7, and the spraying angle alpha is 120 degrees, so that the spraying range of the atomized desulfurization slurry can be expanded, and the desulfurization effect is improved.
The inner wall of the nozzle section 2 close to the discharge hole 7 is provided with an arc transition surface, and the arc transition surface is used for improving the spraying effect and prolonging the whole service life.
One end that is close to feed inlet 6 on carborundum main part 1 is connected with connecting portion 5 an organic whole, feed inlet 6 sets up in connecting portion 5.
The connecting portion 5 is provided with a connecting thread, and the connecting thread is an external thread arranged on the outer surface of the connecting portion 5 or an internal thread arranged on the inner surface of the connecting portion 5.
The connecting thread is a 60-degree conical pipe thread.
The overall length L1 of the connecting thread on the connecting portion 5 is 65 mm.
Design like this, through connecting thread on connecting portion 5, can be convenient with this reaction sintering silicon carbide ceramic SMP desulfurization nozzle threaded connection on the infusion pipeline of carrying the desulfurization thick liquid, facilitate the use to connecting thread on connecting portion 5 is the circular cone pipe thread, can improve the leakproofness of this reaction sintering silicon carbide ceramic SMP desulfurization nozzle and infusion pipeline junction.
When using, connecting thread on accessible connecting portion 5, convenient couple together this reaction sintering carborundum pottery SMP desulfurization nozzle and infusion pipeline, the desulfurization thick liquid of carrying passes through in the feed inlet 6 gets into cavity 9 in the infusion pipeline, and make the desulfurization thick liquid produce the whirl through first blade 3 and second blade 4, the flow of desulfurization thick liquid with higher speed, and first blade 3, second blade 4 has the water conservancy diversion effect, make the desulfurization thick liquid evenly spout by discharge gate 7, fully react with the sulphide in the flue gas, the desulfurization effect is improved.
To better illustrate the overall hardness and wear and corrosion resistance of the SMP desulfurization nozzle, see the following table:
| detecting items | The result of the detection |
| Product porosity (Vol%) | 0.3±0.2 |
| Density (g/cm 3) | 3.03±0.01 |
| New Mohs hardness (psi) | 14.543±4.560 |
| Corrosion resistance ( | 0.87±0.04 |
As can be seen from the above table: the reaction sintering silicon carbide ceramic SMP desulfurization nozzle has very good test results in the aspects of hardness, wear resistance and corrosion resistance.
To better illustrate the corrosion resistance of the SMP desulfurization nozzle, the following table shows the results of the SMP desulfurization nozzle:
the detection result in the above table is "+" which represents no corrosion; the result of the measurement is "(+)" indicating possible corrosion.
As can be seen from the above table: the reaction-sintered silicon carbide ceramic SMP desulfurization nozzle has good corrosion resistance and can convey various corrosive media.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (8)
1. A reaction sintered silicon carbide ceramic SMP desulfurization nozzle, includes silicon carbide main part (1), its characterized in that: the two ends of the silicon carbide main body (1) are respectively provided with a feeding hole (6) and a discharging hole (7), one end of the silicon carbide main body (1) close to the discharging hole (7) is integrally connected with a conical section (8), the outer side of the conical section (8) close to the center is integrally connected with a spout section (2) which is of an integral structure and is cylindrical, and the discharging hole (7) is arranged in the spout section (2).
2. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 1, characterized in that: the silicon carbide body (1) is cylindrical in integral structure, a cylindrical cavity (9) is arranged in the silicon carbide body, and one end of the feed port (6) and one end of the discharge port (7) close to the cavity (9) are communicated with the cavity (9) respectively.
3. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 2, characterized in that: the silicon carbide blade is characterized in that a liquid material dispersion assembly is arranged in the silicon carbide main body (1), and the liquid material dispersion assembly comprises a first blade (3) and a second blade (4) which are integrally arranged in the silicon carbide main body (1).
4. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 3, characterized in that: the cross section shapes of the first blade (3) and the second blade (4) are S-shaped, and the first blade (3) and the second blade (4) are arranged in an X-shaped staggered mode.
5. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 4, characterized in that: the cross section of the discharge hole (7) in the nozzle section (2) is conical, and the conical surface angle alpha of the conical discharge hole (7) is 90-140 degrees.
6. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 5, characterized in that: and an arc transition surface is arranged on the inner wall of the nozzle section (2) close to the discharge hole (7).
7. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 6, characterized in that: one end that is close to feed inlet (6) on carborundum main part (1) is connected with connecting portion (5) an organic whole, feed inlet (6) set up in connecting portion (5).
8. The SMP desulfurization nozzle for reaction-sintered silicon carbide ceramics according to claim 7, characterized in that: the connecting part (5) is provided with a connecting thread which is a 60-degree conical pipe thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335286.XU CN212309315U (en) | 2020-03-17 | 2020-03-17 | Reaction sintering silicon carbide ceramic SMP desulfurization nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335286.XU CN212309315U (en) | 2020-03-17 | 2020-03-17 | Reaction sintering silicon carbide ceramic SMP desulfurization nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN212309315U true CN212309315U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020335286.XU Active CN212309315U (en) | 2020-03-17 | 2020-03-17 | Reaction sintering silicon carbide ceramic SMP desulfurization nozzle |
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| CN (1) | CN212309315U (en) |
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- 2020-03-17 CN CN202020335286.XU patent/CN212309315U/en active Active
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