Nozzle with convenient spray-head replacing
A technology of nozzles and nozzles, which is applied in the direction of noise reduction devices, engine components, machines/engines, etc. It can solve the problems of nozzles being easily blocked and inconvenient to replace, and achieve good spraying effect, quick replacement and wide spraying range.
Active Publication Date: 2019-04-16
NINGBO ANCHUANG ELECTRONICS TECH CO LTD
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Problems solved by technology
[0002] The SCR system is currently a mature and effective way to reduce NOx emissions from diesel engines. As the emission regulations become more and more stringent, the requirements for the parts of the SCR system are also getting higher and higher. The traditional urea nozzle is mixed in the urea pump. The solution and air are discharged from the micropores of the nozzle to realize the atomization of gas and liquid. The nozzle of the existing urea nozzle is easy to block and it is inconvenient to replace. Therefore, we propose a nozzle that is easy to replace the nozzle
Method used
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Embodiment
[0027] Embodiment: When installing the spray head, the liquid spray pipe 12 is sleeved inside the two fixed frames 8, so that the position of the connection hole of the liquid spray pipe 12 is aligned with the position of the extension pipe 9, and the two rotating discs 3 are rotated to rotate The disc 3 drives the threaded rod 5 to rotate, the threaded rod 5 is threadedly connected with the slider 6, and drives the slider 6 to slide in the chute. The position of the connection hole of 12 is sealed by the sealing ring 91. When in use, the urea liquid enters the connection cylinder 2 through the liquid inlet pipe 1, filters through a plurality of filter screens 4, and then enters the liquid spray pipe 12 through the extension pipe 9. Internally, pressure is generated on the liquid equalizing blocks 11 in the multiple spray holes 10, so that the spray holes 10 are opened, and the liquid equalizing blocks 11 in the spray holes 10 move outward, so that the spring 14 is compressed, ...
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The invention discloses a nozzle with convenient spray-head replacing. The nozzle with convenient spray-head replacing comprises a connecting barrel and a spray pipe with two sealed ends, wherein oneend of the connecting barrel is connected with a liquid inlet pipe; the other end of the connecting barrel is connected with an extension pipe; a connecting hole is formed in the side wall of one endof the spray pipe; one end of the liquid inlet pipe is inserted into the connecting hole in the spray pipe; a plurality of spray holes are formed in the side wall of the periphery of the spray pipe; two fixing frames sleeve the spray pipe; the top ends of the fixing frames are connected with connecting rods; sliding grooves are formed in the two side walls of the connecting barrel, threaded rods are rotatably connected into the sliding grooves, sliding blocks which are slidingly connected into the sliding grooves are spirally matched with outside of the threaded rods, and connecting rods are fixed to one ends of the sliding blocks. According to the nozzle with convenient spray-head replacing, the nozzle can be quickly replaced, urea can be filtered, the nozzle can be sealed when not used,and the nozzle can be opened under the action of liquid pressure when used.
Description
technical field [0001] The invention relates to the technical field of urea nozzles, in particular to a nozzle which is convenient for replacing a nozzle. Background technique [0002] The SCR system is currently a mature and effective way to reduce NOx emissions from diesel engines. As the emission regulations become more and more stringent, the requirements for the parts of the SCR system are also getting higher and higher. The traditional urea nozzle is mixed in the urea pump. The solution and air are discharged from the micropores of the nozzle to realize the atomization of gas and liquid. The nozzles of the existing urea nozzles are easy to be blocked, and it is not convenient to replace them. Therefore, we propose a nozzle that is easy to replace the nozzles. Contents of the invention [0003] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a nozzle that is easy to replace the spray head. [0004] In order to achieve t...
Claims
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IPC IPC(8): F01N3/28
CPCF01N3/2892
Inventor 楼世勋楼夙训
Owner NINGBO ANCHUANG ELECTRONICS TECH CO LTD