CN211411630U - Denitration device's spray gun connection structure - Google Patents
Denitration device's spray gun connection structure Download PDFInfo
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- CN211411630U CN211411630U CN201922148602.2U CN201922148602U CN211411630U CN 211411630 U CN211411630 U CN 211411630U CN 201922148602 U CN201922148602 U CN 201922148602U CN 211411630 U CN211411630 U CN 211411630U
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Abstract
The utility model discloses a spray gun connecting structure of a denitration device, which comprises a spray gun, a sleeve fixing device and a sleeve connected with the sleeve fixing device; the surface of the spray gun is fixedly provided with a spray gun connector, the surface of the sleeve is fixedly provided with a sleeve connector, the spray gun is coaxially inserted into the sleeve, and the spray gun connector and the sleeve connector are matched and fixed through a quick connection structure. The flange connection mode is replaced by the assembly mode that the spray gun connector and the sleeve pipe connector are fixedly connected with each other, so that the material consumption and the weight of equipment are reduced; the spray gun dismounting device has the advantages that special tools such as metal plates and the like are not needed during overhauling and maintenance, the spray gun dismounting work can be completed by two hands, the workload is greatly reduced, a large amount of time and energy are saved for overhauling and maintenance, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a SCR sleeve pipe fixing device technical field specifically indicates a denitrification facility's spray gun connection structure.
Background
Nitrogen oxides produced by industrial boiler flue gases are one of the major pollutants in the world today. At present, the treatment of nitrogen oxides at home and abroad is a denitration process, the current mainstream denitration process is SCR, and ammonia water or urea is generally adopted as a denitration reducing agent. In SCR denitration engineering, ammonia water or urea is sprayed into boiler flue gas after being atomized by a two-fluid atomization spray gun. To facilitate the installation of the lance, the sleeve is welded to the sleeve fixture. The connection of the lance to the sleeve is typically flanged. When the spray gun is overhauled and maintained, bolts and nuts on the spray gun flange need to be disassembled, and the disassembly process of the spray gun is troublesome due to the fact that the number of the spray guns is large. In addition, the disassembling process needs to use special tools such as wrenches and the like, which takes up a large amount of time for overhauling and maintaining and also increases extra workload.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the background art, and providing a spray gun connection structure which is convenient, quick and free of using special tools, namely a detachable denitration device.
In order to achieve the purpose, the utility model relates to a spray gun connecting structure of a denitration device, which comprises a spray gun, a sleeve fixing device and a sleeve connected with the sleeve fixing device; the method is characterized in that: the surface of the spray gun is fixedly provided with a spray gun connector, the surface of the sleeve is fixedly provided with a sleeve connector, the spray gun is coaxially inserted into the sleeve, and the spray gun connector and the sleeve connector are matched and fixed through a quick connection structure.
Further, the spray gun connector comprises a spray gun sleeve coaxially fixed on the spray gun, and the sleeve connector comprises a sleeve coaxially fixed on the sleeve; the quick connection structure comprises a positioning groove formed in the surface of the spray gun sleeve and a positioning rod hinged on the sleeve, the spray gun sleeve is arranged in the sleeve, a positioning hole corresponding to the positioning groove is formed in the surface of the sleeve, and a positioning bulge matched with the positioning groove is formed in the positioning rod.
Further, the sleeve joint is provided with the annular positioning groove along the circumferential surface thereof.
Furthermore, the sleeve is at least hinged with two positioning rods which are respectively arranged on two sides of the sleeve.
Further, the sleeve barrel is connected to the end of the sleeve by a thread.
Furthermore, the spray gun joint also comprises a spray gun sleeve fixing structure which can fix the spray gun sleeve on the surface of the spray gun; spray gun sleeve fixed knot construct including coaxial fixed connection in spray gun sleeve's a side end face, surface be equipped with screwed screw sleeve and with screw sleeve connects's fixation nut, the coaxial cover in surface of spray gun is equipped with the compressive force at accessible axial both ends and carries out radial crimple snap ring, the axial terminal surface of snap ring one end with screw sleeve's end face contact, fixation nut keeps away from screw sleeve's one end is fixed with and is used for compressing tightly the clamp ring of the axial terminal surface of the snap ring other end.
Furthermore, the surface of the spray gun is coaxially sleeved with two clamping rings.
The utility model has the advantages that: the flange connection mode is replaced by the assembly mode that the spray gun connector and the sleeve pipe connector are fixedly connected with each other, so that the material consumption and the weight of equipment are reduced; the spray gun dismounting device has the advantages that special tools such as metal plates and the like are not needed during overhauling and maintenance, the spray gun dismounting work can be completed by two hands, the workload is greatly reduced, a large amount of time and energy are saved for overhauling and maintenance, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the connection between the spray gun and the sleeve of the present invention;
FIG. 2 is a schematic view of a spray gun joint mounted on a spray gun of the present invention;
FIG. 3 is a schematic view of the middle sleeve of the present invention with a sleeve joint installed thereon;
FIG. 4 is a schematic view of the spray gun joint according to the present invention;
FIG. 5 is a schematic view of the internal connection structure of the spray gun joint of the present invention;
FIG. 6 is a first perspective view of the structure of the spray gun joint of the present invention;
FIG. 7 is a perspective view of the spray gun joint of the present invention;
the spray gun comprises a spray gun 1, a sleeve pipe 2, a sleeve pipe fixing device 3, a sleeve pipe 4, a spray gun joint 4.1, a spray gun sleeve 4.2, a threaded sleeve 4.3, a fixing nut 4.4, a compression ring 5, a sleeve pipe joint 5.1, a sleeve pipe sleeve 5.2, a positioning rod 6, a positioning groove 7, a positioning bulge 8, a positioning hole 9 and a clamping ring.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
The spray gun connection structure of the denitration device shown in fig. 1 to 7 comprises a spray gun 1, a sleeve fixing device 2 and a sleeve 3 connected with the sleeve fixing device 2; the surface of spray gun 1 is fixed with spray gun joint 4, and the surface of sleeve pipe 3 is fixed with bushing head 5, and in spray gun 1 coaxial insertion sleeve pipe 3, spray gun joint 4 and bushing head 5 passed through quick connect structure cooperation and fixes.
The spray gun joint 4 comprises a spray gun sleeve 4.1 coaxially fixed on the spray gun 1, and the sleeve joint 5 comprises a sleeve 5.1 coaxially fixed at the end part of the sleeve 3 through threads; quick connection structure is including setting up in constant head tank 6 on spray gun sleeve 4.1 surface and articulating two locating levers 5.2 on sleeve 5.1, and spray gun sleeve 4.1 sets up in sleeve 5.1, and sleeve 5.1 surface is opened has the locating hole 8 that corresponds with constant head tank 6, is equipped with on the locating lever 5.2 with constant head tank 6 complex location arch 7.
The spray gun adapter 4 further comprises a spray gun sleeve fixing structure which can fix the spray gun sleeve 4.1 on the surface of the spray gun 1: including coaxial fixed connection in a side end face of spray gun sleeve 4.1, the surface is equipped with screwed threaded sleeve 4.2 and the fixation nut 4.3 of being connected with screwed threaded sleeve 4.2, the coaxial cover in surface of spray gun 1 is equipped with two snap rings 9 that the compressive force at accessible axial both ends carries out radial constriction, the axial terminal surface of snap ring 9 one end and the end face contact of screwed sleeve 4.2, fixation nut 4.3 keeps away from the one end of screwed sleeve 4.2 and is fixed with the clamp ring 4.4 that is used for compressing tightly the axial terminal surface of the 9 other ends of snap ring.
The utility model discloses in, with 1 coaxial insert sleeve pipe 3 of spray gun in, connect 4 butt joints with sleeve pipe joint 5 and spray gun, press locating lever 5.2, make protruding 7 card in location go into constant head tank 6, accomplish the fixed of spray gun 1 and sleeve pipe 3, only need mention locating lever 5.2 during the dismantlement, loosen sleeve pipe joint 5 and spray gun joint 4 be connected can, it can accomplish the installation and dismantle to need not specialized tool, simultaneously the spray gun connects 4 accessible fixation nut 4.3, the optional position on the surface of spray gun 1 is fixed to the structure of clamp ring 4.4 and snap ring 9, the practicality has been increased.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.
Claims (7)
1. A spray gun connecting structure of a denitration device comprises a spray gun (1), a sleeve fixing device (2) and a sleeve (3) connected with the sleeve fixing device (2); the method is characterized in that: the surface mounting of spray gun (1) has spray gun to connect (4), the surface mounting of sleeve pipe (3) has casing pipe joint (5), spray gun (1) coaxial insert in sleeve pipe (3), spray gun connect (4) with casing pipe joint (5) are fixed through the cooperation of quick connect structure.
2. The lance attachment structure of a denitration apparatus according to claim 1, wherein: the spray gun connector (4) comprises a spray gun sleeve (4.1) coaxially fixed on the spray gun (1), and the sleeve connector (5) comprises a sleeve (5.1) coaxially fixed on the sleeve (3); quick-connect structure including set up in constant head tank (6) on spray gun sleeve (4.1) surface with articulate in locating lever (5.2) on sleeve (5.1), spray gun sleeve (4.1) set up in sleeve (5.1), open on sleeve (5.1) surface have with locating hole (8) that constant head tank (6) correspond, be equipped with on locating lever (5.2) with locating groove (6) complex location arch (7).
3. The lance attachment structure of a denitration apparatus according to claim 2, wherein: the sleeve joint (5) is provided with an annular positioning groove (6) along the circumferential surface thereof.
4. The lance attachment structure of a denitration apparatus according to claim 2, wherein: the sleeve (5.1) is at least hinged with two positioning rods (5.2) which are respectively arranged on two sides of the sleeve (5.1).
5. The lance attachment structure of a denitration apparatus according to claim 2, wherein: the sleeve (5.1) is connected to the end of the sleeve (3) by means of a thread.
6. The lance attachment structure of a denitration apparatus according to claim 2, wherein: the spray gun joint (4) also comprises a spray gun sleeve fixing structure which can fix the spray gun sleeve (4.1) on the surface of the spray gun (1); spray gun sleeve fixed knot construct including coaxial fixed connection in a side end face, the surface of spray gun sleeve (4.1) establish screwed threaded sleeve (4.2) and with fixation nut (4.3) that threaded sleeve (4.2) are connected, the coaxial cover in surface of spray gun (1) is equipped with clamping ring (9) that the compressive force of accessible axial both ends carries out radial constriction, the axial terminal surface of clamping ring (9) one end with the end face contact of threaded sleeve (4.2), fixation nut (4.3) are kept away from the one end of threaded sleeve (4.2) is fixed with and is used for compressing tightly clamp ring (4.4) of the axial terminal surface of the clamping ring (9) other end.
7. The lance attachment structure of a denitration apparatus according to claim 6, wherein: the surface of the spray gun (1) is coaxially sleeved with two clamping rings (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148602.2U CN211411630U (en) | 2019-12-04 | 2019-12-04 | Denitration device's spray gun connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148602.2U CN211411630U (en) | 2019-12-04 | 2019-12-04 | Denitration device's spray gun connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211411630U true CN211411630U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922148602.2U Active CN211411630U (en) | 2019-12-04 | 2019-12-04 | Denitration device's spray gun connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211411630U (en) |
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2019
- 2019-12-04 CN CN201922148602.2U patent/CN211411630U/en active Active
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