CN210411217U - Novel SNCR denitration spray gun - Google Patents
Novel SNCR denitration spray gun Download PDFInfo
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- CN210411217U CN210411217U CN201921267135.9U CN201921267135U CN210411217U CN 210411217 U CN210411217 U CN 210411217U CN 201921267135 U CN201921267135 U CN 201921267135U CN 210411217 U CN210411217 U CN 210411217U
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- barrel
- inlet pipe
- gun barrel
- sncr denitration
- air inlet
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Abstract
The utility model discloses a novel SNCR denitration spray gun, in particular to the technical field of SNCR denitration equipment, comprising a gun barrel, wherein one end of the gun barrel is communicated with an air inlet pipe, one side of the air inlet pipe is provided with a liquid inlet pipe, sealing flanges are fixedly arranged between the air inlet pipe and the gun barrel and between the liquid inlet pipe and the gun barrel, and a protection mechanism is fixedly arranged at the inner side of one end of the gun barrel, which is far away from the air inlet pipe; the protection mechanism comprises an annular mounting plate. The utility model discloses a set up protection machanism, during the inside atmospheric pressure increase of barrel, the fly leaf is promoted to the outside to pull out the movable tube from the barrel through the fly leaf, the orifice of treatment fluid on from the movable tube is discharged, and when not using, the spring resets the fly leaf, inside the movable tube reenters into the barrel, the sealing washer improves the leakproofness, wholly makes the utility model discloses can prevent effectively that the high temperature flue gas from entering into the barrel inside and causing the damage to it, compare with prior art, prolong life.
Description
Technical Field
The utility model relates to a SNCR denitration equipment technical field, more specifically says, the utility model relates to a novel SNCR denitration spray gun.
Background
The importance of preventing environmental pollution in the process of removing nitrogen oxides from combustion flue gas has been pointed out as a worldwide problem, and the more mainstream processes in the world are: SCR and SNCR, the denitration spray gun that SNCR denitration equipment used can spout the denitration liquid into the boiler.
Chinese patent application publication No. CN 204656771U discloses an SNCR denitration spray gun, which comprises a gun body, a liquid inlet, an atomizing air port, a cooling air inlet and a nozzle, wherein the nozzle is located at one end of the spray gun, and the nozzle is provided with a spray hole. The rifle body is the sleeve pipe structure, including liquid pipe, trachea and cooling air pipe, and during the liquid pipe inserted the trachea, the trachea inserted the cooling air pipe, passes through flange fixed connection between trachea and the cooling air pipe. The liquid inlet is connected with a liquid pipe, the atomizing air port is connected with an air pipe, and the cooling air inlet is connected with a cooling air pipe. An electric mechanism or a pneumatic mechanism is selectively arranged on the SNCR denitration spray gun, so that the spray gun is automatically pushed and pulled out. The nozzle is made of 310S alloy, and the diameter of the spray hole is 2-3 mm. The utility model discloses a rifle body passes through bushing type installation, has optimized the structure of denitration spray gun, and denitration efficiency can reach 80%, has improved denitration efficiency.
However, when the spray gun is actually used, the nozzle of the spray gun is positioned inside the boiler, and when no liquid is sprayed out, high-temperature gas inside the spray gun easily enters the spray gun from the spray hole, so that the inside of the spray gun is damaged, and the service life of the spray gun is shortened.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a novel SNCR denitration spray gun, through setting up protection mechanism, during the increase of the inside atmospheric pressure of barrel, the fly leaf is promoted to the outside to pull out the movable tube from the barrel through the fly leaf, the treatment fluid is discharged from the orifice on the movable tube, and when not using, the spring resets to the fly leaf, inside the movable tube reenters the barrel, and the sealing washer improves the leakproofness, wholly makes the utility model discloses can prevent effectively that the high temperature flue gas from entering into the barrel inside and causing the damage to it, compare with prior art, prolong life to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel SNCR denitration spray gun comprises a gun barrel, wherein one end of the gun barrel is communicated with an air inlet pipe, one side of the air inlet pipe is provided with a liquid inlet pipe, sealing flanges are fixedly arranged between the air inlet pipe and the gun barrel and between the liquid inlet pipe and the gun barrel, and a protection mechanism is fixedly arranged on the inner side of one end, far away from the air inlet pipe, of the gun barrel;
protection machanism includes annular mounting panel, a side fixed surface that annular mounting panel is close to the barrel is equipped with the connecting pipe, the inside a plurality of cavitys that is equipped with of connecting pipe, the inside connecting rod that is equipped with of cavity, the connecting rod surface cup joints and is equipped with the spring, the fixed slider that is equipped with of connecting rod one end, slider and cavity inner wall sliding connection, a side surface that the connecting pipe was kept away from to annular mounting panel is equipped with the fly leaf, a side fixed surface that the fly leaf is close to the barrel is equipped with the movable tube, the movable tube surface link up and is equipped with a plurality of orifices, annular mounting panel and fly leaf fixed connection are run through to connecting rod one end.
In a preferred embodiment, a plurality of mounting holes are formed through the annular mounting plate.
In a preferred embodiment, the mounting hole is internally provided with a mounting bolt.
In a preferred embodiment, a fixing plate is fixedly arranged on the barrel.
In a preferred embodiment, an inclined strut is fixedly arranged on one side of the fixing plate.
In a preferred embodiment, a bracket is fixedly arranged at one end of the inclined strut.
In a preferred embodiment, the support is fixedly arranged on the surface of the barrel.
In a preferred embodiment, a plurality of fixing screw holes are formed through the fixing plate, and fixing bolts are arranged inside the fixing screw holes.
The utility model discloses a technological effect and advantage:
1. through setting up the protection mechanism, when the inside atmospheric pressure of barrel increases, the fly leaf is promoted to the outside to pull out the movable tube from the barrel through the fly leaf, the treatment fluid is discharged from the orifice on the movable tube, when not using, the spring resets the fly leaf, the movable tube enters into the barrel inside again, the sealing washer improves the leakproofness, make the utility model discloses can prevent effectively that the high temperature flue gas from entering into the barrel inside and causing the damage to it, compare with prior art, lengthened life;
2. through the fixed screw on the fixed plate and with it assorted fixing bolt with the tip of barrel fix on the boiler, be fixed with the support on the barrel, be fixed with slope branch between support and the fixed plate to can provide sufficient support to the support through slope branch, and then effectively support the barrel, improve the stability of barrel, compare with prior art, stability is higher.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the protection mechanism of the present invention.
Fig. 3 is an enlarged view of a structure in fig. 2.
Fig. 4 is a three-dimensional structure view of the annular mounting plate of the present invention.
Fig. 5 is a three-dimensional structure diagram of the movable tube of the present invention.
The reference signs are: the device comprises a barrel 1, an air inlet pipe 2, a liquid inlet pipe 3, a sealing flange 4, a protection mechanism 5, an annular mounting plate 6, a connecting pipe 7, a cavity 8, a connecting rod 9, a spring 10, a sliding block 11, a movable plate 12, a movable pipe 13, spray holes 14, a sealing ring 15, mounting holes 16, mounting bolts 17, a fixing plate 18, an inclined support rod 19, a support 20, a fixing screw hole 21 and fixing bolts 22.
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 work belong to the protection scope of the present invention.
The novel SNCR denitration spray gun comprises a gun barrel 1, wherein one end of the gun barrel 1 is communicated with an air inlet pipe 2, one side of the air inlet pipe 2 is provided with a liquid inlet pipe 3, sealing flanges 4 are fixedly arranged between the air inlet pipe 2 and the gun barrel 1 and between the liquid inlet pipe 3 and the gun barrel 1, and a protection mechanism 5 is fixedly arranged on the inner side of one end, far away from the air inlet pipe 2, of the gun barrel 1;
the protection mechanism 5 comprises an annular mounting plate 6, a connecting pipe 7 is fixedly arranged on the surface of one side, close to the gun barrel 1, of the annular mounting plate 6, a plurality of cavities 8 are arranged inside the connecting pipe 7, a connecting rod 9 is arranged inside the cavity 8, a spring 10 is sleeved on the surface of the connecting rod 9, a sliding block 11 is fixedly arranged at one end of the connecting rod 9, the sliding block 11 is in sliding connection with the inner wall of the cavity 8, a movable plate 12 is arranged on the surface of one side, far away from the connecting pipe 7, of the annular mounting plate 6, a movable pipe 13 is fixedly arranged on the surface of one side, close to the gun barrel 1, of the movable plate 12, a plurality of spray holes 14 are formed in the surface of the movable pipe 13 in a penetrating mode, one end of the connecting;
a plurality of mounting holes 16 are arranged on the annular mounting plate 6 in a penetrating way;
the mounting hole 16 is internally provided with a mounting bolt 17.
The implementation mode is specifically as follows: when the utility model is used, firstly, the annular mounting plate 6 is fixed at the end part of the gun barrel 1 through the mounting bolt 17, then compressed gas and treatment liquid are respectively introduced into the gun barrel 1 through the air inlet pipe 2 and the liquid inlet pipe 3, the treatment liquid enters the gun barrel 1 from the liquid inlet pipe 3, the compressed gas enters the gun barrel 1 from the air inlet pipe 2, the treatment liquid is atomized by the compressed gas to form smoke, along with the continuous introduction of the compressed gas, the air pressure in the gun barrel 1 is continuously increased, at the moment, the gas pushes the movable plate 12 to move, the movable plate 12 moves to drive the movable pipe 13 to move, while the movable plate 12 moves, the movable plate 12 moves to drive the connecting rod 9 to move, the connecting rod 9 moves to drive the sliding block 11 to compress the spring 11, thereby exposing the movable pipe 13 from the gun barrel 1, the atomized treatment liquid and the compressed gas are discharged through the spray holes 14, when the gun barrel 1 is not used, compressed gas and treatment liquid are stopped to be introduced into the gun barrel 1, the air pressure inside the gun barrel 1 is reduced, the spring 11 loses enough constraint force to restore the original state, the spring 11 extends to push the sliding block 11 to move, the sliding block 11 drives the movable plate 12 to move through the connecting rod 9, the movable plate 12 moves to drive the movable tube 13 to move, the movable tube 13 is pushed into the gun barrel 1 again, the movable plate 12 and the annular mounting plate 6 are closed, the sealing ring 15 improves the sealing performance, high-temperature smoke can be effectively prevented from entering the gun barrel 1, through the arrangement of the protection mechanism 5, when the air pressure inside the gun barrel 1 is increased, the movable plate 12 is pushed outwards, the movable tube 13 is pulled out of the gun barrel 1 through the movable plate 12, the treatment liquid is discharged from the spray hole 14 on the movable tube 13, when the gun barrel is not used, the spring 10 resets the movable plate 12, sealing washer 15 improves the leakproofness, wholly makes the utility model discloses can prevent effectively that the high temperature flue gas from entering into barrel 1 inside and causing the damage to it, prolong life, this embodiment has specifically solved the unsatisfactory problem of life among the prior art.
As shown in fig. 1, the novel SNCR denitration spray gun further comprises a fixing plate 18, the fixing plate 18 is fixedly arranged on the gun barrel 1, an inclined supporting rod 19 is fixedly arranged on one side of the fixing plate 18, a support 20 is fixedly arranged at one end of the inclined supporting rod 19, the support 20 is fixedly arranged on the surface of the gun barrel 1, a plurality of fixing screw holes 21 are formed in the fixing plate 18 in a penetrating mode, and fixing bolts 22 are arranged inside the fixing screw holes 21.
The implementation mode is specifically as follows: in using the utility model discloses the time, through fixed screw 21 on the fixed plate 18 and assorted fixing bolt 22 with it with the end fixing of barrel 1 on the boiler, be fixed with support 20 on barrel 1, be fixed with slope branch 19 between support 20 and the fixed plate 18 to can provide sufficient support to support 20 through slope branch 19, and then effectively support barrel 1, improve barrel 1's stability, this embodiment has specifically solved the problem of the stability ideal inadequately among the prior art.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when the utility model is used, firstly, the annular mounting plate 6 is fixed at the end part of the gun barrel 1 through the mounting bolt 17, then compressed gas and treatment liquid are respectively introduced into the gun barrel 1 through the air inlet pipe 2 and the liquid inlet pipe 3, the treatment liquid enters into the gun barrel 1 through the liquid inlet pipe 3, the compressed gas enters into the gun barrel 1 through the air inlet pipe 2, the treatment liquid is atomized through the compressed gas to form smoke, the air pressure inside the gun barrel 1 continuously rises along with the continuous introduction of the compressed gas, at the moment, the gas pushes the movable plate 12 to move, the movable plate 12 moves to drive the movable pipe 13 to move, while the movable plate 12 moves, the movable plate 12 moves to drive the connecting rod 9 to move, the connecting rod 9 moves to drive the sliding block 11 to compress the spring 11, thereby the movable pipe 13 is exposed out of the gun barrel 1, the atomized treatment, denitration treatment is carried out on the flue gas, when the denitration treatment gun barrel is not used, compressed gas and treatment liquid are stopped to be introduced into the gun barrel 1, the air pressure in the gun barrel 1 is reduced, the spring 11 loses enough constraint force to restore the original state, the spring 11 extends to push the sliding block 11 to move, the sliding block 11 drives the movable plate 12 to move through the connecting rod 9, the movable plate 12 moves to drive the movable pipe 13 to move, the movable pipe 13 is pushed into the gun barrel 1 again, the movable plate 12 and the annular mounting plate 6 are closed, and the sealing ring 15 improves the sealing performance, so that the high-temperature flue gas can be effectively prevented from entering the gun barrel 1;
referring to the attached drawing 1 of the specification, when the utility model is used, the end fixing of the gun barrel 1 is fixed on the boiler through the fixing screw hole 21 on the fixing plate 18 and the fixing bolt 22 matched with the fixing screw hole, the support 20 is fixed on the gun barrel 1, and the inclined support rod 19 is fixed between the support 20 and the fixing plate 18, so that the support 20 can be sufficiently supported through the inclined support rod 19, and the gun barrel 1 is effectively supported, and the stability of the gun barrel 1 is improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel SNCR denitration spray gun, includes barrel (1), its characterized in that: an air inlet pipe (2) is communicated with one end of the gun barrel (1), a liquid inlet pipe (3) is arranged on one side of the air inlet pipe (2), a sealing flange (4) is fixedly arranged between the air inlet pipe (2) and the gun barrel (1) and between the liquid inlet pipe (3) and the gun barrel (1), and a protection mechanism (5) is fixedly arranged on the inner side of one end, far away from the air inlet pipe (2), of the gun barrel (1);
protection machanism (5) include annular mounting panel (6), one side fixed surface that annular mounting panel (6) are close to barrel (1) is equipped with connecting pipe (7), connecting pipe (7) inside is equipped with a plurality of cavities (8), cavity (8) inside is equipped with connecting rod (9), connecting rod (9) surface cup joints and is equipped with spring (10), the fixed slider (11) that is equipped with of connecting rod (9) one end, slider (11) and cavity (8) inner wall sliding connection, one side surface that connecting pipe (7) were kept away from in annular mounting panel (6) is equipped with fly leaf (12), one side fixed surface that fly leaf (12) are close to barrel (1) is equipped with movable tube (13), movable tube (13) surface link up and is equipped with a plurality of orifice (14), annular mounting panel (6) and fly leaf (12) fixed connection are run through to connecting rod (9) one end, and a sealing ring (15) is fixedly arranged on the surface of one side of the movable plate (12) close to the annular mounting plate (6).
2. The novel SNCR denitration lance of claim 1, wherein: the annular mounting plate (6) is provided with a plurality of mounting holes (16) in a penetrating way.
3. The novel SNCR denitration lance of claim 2, wherein: and a mounting bolt (17) is arranged in the mounting hole (16).
4. The novel SNCR denitration lance of claim 1, wherein: the gun barrel (1) is fixedly provided with a fixing plate (18).
5. The novel SNCR denitration lance of claim 4, wherein: an inclined support rod (19) is fixedly arranged on one side of the fixing plate (18).
6. The novel SNCR denitration lance of claim 5, wherein: one end of the inclined support rod (19) is fixedly provided with a bracket (20).
7. The novel SNCR denitration lance of claim 6, wherein: the support (20) is fixedly arranged on the surface of the gun barrel (1).
8. The novel SNCR denitration lance of claim 4, wherein: the fixing plate (18) is provided with a plurality of fixing screw holes (21) in a penetrating manner, and fixing bolts (22) are arranged inside the fixing screw holes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921267135.9U CN210411217U (en) | 2019-08-07 | 2019-08-07 | Novel SNCR denitration spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921267135.9U CN210411217U (en) | 2019-08-07 | 2019-08-07 | Novel SNCR denitration spray gun |
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| Publication Number | Publication Date |
|---|---|
| CN210411217U true CN210411217U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921267135.9U Active CN210411217U (en) | 2019-08-07 | 2019-08-07 | Novel SNCR denitration spray gun |
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| CN (1) | CN210411217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841434A (en) * | 2020-08-10 | 2020-10-30 | 新疆八一钢铁股份有限公司 | Telescopic spraying device for Ou metallurgical furnace |
| CN113398748A (en) * | 2021-05-10 | 2021-09-17 | 高明超 | SNCR (selective non-catalytic reduction) system of cement kiln |
| CN115143482A (en) * | 2022-07-25 | 2022-10-04 | 淮南中建材腾锋环保科技有限公司 | High-temperature-resistant organic waste liquid incineration spray gun |
-
2019
- 2019-08-07 CN CN201921267135.9U patent/CN210411217U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841434A (en) * | 2020-08-10 | 2020-10-30 | 新疆八一钢铁股份有限公司 | Telescopic spraying device for Ou metallurgical furnace |
| CN113398748A (en) * | 2021-05-10 | 2021-09-17 | 高明超 | SNCR (selective non-catalytic reduction) system of cement kiln |
| CN115143482A (en) * | 2022-07-25 | 2022-10-04 | 淮南中建材腾锋环保科技有限公司 | High-temperature-resistant organic waste liquid incineration spray gun |
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