Adjustable atomizing nozzle

Abstract

According to the adjustable atomizing nozzle provided by the utility model, after a medium (desuperheating water) enters the cavity of the valve body from the medium inlet of the valve body, the electric actuating mechanism drives the valve clack and the piston ring to descend, and the contact area between the first flow channel and the cavity of the valve body can be increased in the descending process of the piston ring; when attemperation water is injected into the first flow channel from the interior of the cavity of the valve body, the attemperation water is injected into the multiple vortex flow channels through the first flow channel, at the moment, the multiple vortex flow channels start to spray out the attemperation water, the original direction of the attemperation water is changed, a rotating shower head type is formed, centrifugal force is formed by rotating force to the attemperation water, and the attemperation water is sprayed out from the nozzle under the action of the centrifugal force; at the moment, the desuperheating water can always keep the optimal spraying speed to achieve a good atomization effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to atomizing nozzle technical field, especially relate to an adjustable atomizing nozzle. BACKGROUND

[0002] When the heat load changes in actual use, the spray area of the nozzle of the traditional old structure flute form desuperheater cannot be adjusted, and only the water spray amount can be adjusted by the desuperheating water regulating valve. When the load changes, the desuperheating water spray speed also changes. When the spray speed is too low, the atomization effect deteriorates, causing the drain amount to increase significantly, and even water hammer may occur in severe cases. Thus, the heat load adjustment capability is limited.

[0003] Therefore, there is a need for an adjustable atomizing nozzle that can maintain the optimal spray speed of desuperheating water to achieve good atomization effect when the load changes, avoiding water hammer, excessive drain amount, cavitation and other adverse phenomena. SUMMARY

[0004] The utility model provides an adjustable atomizing nozzle, aiming at solving the problems raised in the background art.

[0005] The utility model is implemented as follows: an adjustable atomizing nozzle comprises a valve body and a vortex device assembly.

[0006] The valve body comprises a medium inlet, a medium outlet and a cavity, and the vortex device assembly is arranged at the medium outlet of the valve body.

[0007] The vortex device assembly comprises a vortex device body, which is arranged at the medium outlet of the valve body, and the vortex device body is provided with a first flow channel and a plurality of vortex flow channels, which are all in communication with each other, and the first flow channel is also in communication with the cavity of the valve body.

[0008] Preferably, the vortex device body is further provided with a spray opening, which is in communication with the vortex flow channels.

[0009] Preferably, the plurality of vortex flow channels are uniformly distributed in a circular ring shape.

[0010] Preferably, the cavity of the valve body is provided with a piston ring and a valve flap, the piston ring is connected with the valve flap, the piston ring is used to open and close the vortex device assembly, and the valve flap is driven by an electric actuator.

[0011] Preferably, the cavity of the valve body is further provided with a lower valve seat, and the connection between the lower valve seat and the valve body is provided with a wound gasket.

[0012] Preferably, the lower valve seat is provided with an upper valve seat at the top, and the upper valve seat is provided with a pressing sleeve at the top.

[0013] Preferably, the valve body top is further provided with a valve cover, and a top of the valve cover is provided with the electric actuator.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] When the medium (desuperheating water) enters the cavity inside the valve body from the medium inlet of the valve body, the electric actuator drives the valve disc and the piston ring to descend, the contact area of the first flow channel and the cavity of the valve body can be increased in the process of the piston ring descending, when the desuperheating water is injected into the first flow channel from the cavity inside the valve body, the desuperheating water is injected into the plurality of vortex flow channels through the first flow channel, at this time, the plurality of vortex flow channels begin to spray the desuperheating water to change the original direction of the desuperheating water, form the rotating shower type, the rotating force forms the centrifugal force on the desuperheating water, and the desuperheating water can always maintain the best spraying speed to achieve the good atomization effect under the action of the centrifugal force. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure front view of the utility model;

[0017] Figure 2 It is the vortex ware assembly structure front view in the utility model;

[0018] Figure 3 It is the vortex flow channel structure side view in the utility model;

[0019] Figure 4 It is the vortex flow channel structure front view in the utility model.

[0020] In the drawing:

[0021] 1, valve body;2, piston ring;3, valve disc;4, lower valve seat;5, upper valve seat;6, press sleeve;7, valve cover;8, electric actuator;9, vortex ware assembly;91, vortex ware body;92, first flow channel;93, vortex flow channel;93, spout. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described below in connection with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment.

[0023] The components of the embodiments of the utility model generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0024] All other embodiments obtained by the person skilled in the art without making creative labor based on the embodiments of the utility model belong to the protection range of the utility model.

[0025] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. The specific meaning of the above terms in the utility model can be understood according to the specific circumstances by the person skilled in the art.

[0027] Please refer to Figures 1 to 4 The utility model provides a technical scheme: an adjustable atomizing nozzle, including valve body 1 and vortex ware component 9, valve body 1 includes medium inlet, medium outlet and cavity, and vortex ware component 9 is located at the medium outlet of valve body 1, vortex ware component 9 includes vortex ware body 91, vortex ware body 91 is located at the medium outlet of valve body 1, and first flow channel 92 and multiple vortex flow channels 93 are arranged on vortex ware body 91, first flow channel 92 and multiple vortex flow channels 93 are all communicated with each other, and first flow channel 92 is also communicated with the cavity of valve body 1.

[0028] In the embodiment, when the medium (desuperheating water) enters the cavity inside valve body 1 from the medium inlet of valve body 1, the electric actuator 8 drives the valve disc 3 and the piston ring 2 to descend, and the contact area of the first flow channel 92 with the cavity of valve body 1 can be increased in the process of the piston ring 2 descending, when the desuperheating water is injected into the first flow channel 92 from the cavity inside valve body 1, and then the desuperheating water is injected into multiple vortex flow channels 93 through the first flow channel 92, at this time, multiple vortex flow channels 93 begin to spray desuperheating water to change the original direction of the desuperheating water, form a rotating shower type, and the rotating force forms a centrifugal force on the desuperheating water, which is sprayed from the nozzle 94 under the action of the centrifugal force. At this time, the desuperheating water can always maintain the best spraying speed to achieve good atomization effect.

[0029] Further, please refer toFigure 1 The vortex body 91 is further provided with a spray opening 94, which is in communication with the vortex flow channel 93.

[0030] In the embodiment, the multiple vortex flow channels 93 start to spray the desuperheating water to change the original direction of the desuperheating water, forming a rotating shower type, and the rotating force forms a centrifugal force on the desuperheating water, which is sprayed from the spray opening 94 under the action of the centrifugal force. At this time, the desuperheating water can always maintain the best spraying speed to achieve good atomization effect.

[0031] Further, referring to Figure 4 The multiple vortex flow channels 93 are uniformly and evenly distributed in a circular ring shape.

[0032] In the embodiment, the vortex flow channel 93 is provided with three, and the included angle between the two adjacent vortex flow channels 93 is 120°.

[0033] Further, referring to Figure 1 The cavity of the valve body 1 is provided with a piston ring 2 and a valve flap 3, the piston ring 2 is connected with the valve flap 3, the piston ring 2 is used to open and close the vortex device assembly 9, and the valve flap 3 is driven by the electric actuator 8.

[0034] In the embodiment, the electric actuator 8 is started to drive the valve flap 3 to rise or fall, and at the same time, drive the piston ring 2 to rise or fall, and the contact area of the piston ring 2 with the first flow channel 92 can adjust the load flow of the desuperheating water.

[0035] Further, referring to Figure 1 The cavity of the valve body 1 is further provided with a lower valve seat 4, and the connection part of the lower valve seat 4 with the valve body 1 is provided with a winding gasket.

[0036] Further, referring to Figure 1 The top of the lower valve seat 4 is provided with an upper valve seat 5, and the top of the upper valve seat 5 is provided with a pressing sleeve 6.

[0037] Further, referring to Figure 1 The top of the valve body 1 is further provided with a valve cover 7, and the top of the valve cover 7 is provided with an electric actuator 8.

[0038] In the embodiment, the connection part of the lower valve seat 4 with the valve body 1 is provided with a winding gasket for increasing the sealing property between the lower valve seat 4 and the valve body 1, the lower valve seat 4, the upper valve seat 5 and the pressing sleeve 6 are used to fix and stabilize the valve flap 3, and the electric actuator 8 is started to drive the valve flap 3 to do piston movement.

[0039] The working principle and use flow of the utility model are as follows: when medium (desuperheating water) enters the cavity inside the valve body 1 from the medium inlet of the valve body 1, the electric actuator 8 drives the valve disc 3 and the piston ring 2 to descend, the contact area of the first flow channel 92 and the cavity of the valve body 1 can be increased in the descending process of the piston ring 2, after the desuperheating water is injected into the first flow channel 92 from the cavity inside the valve body 1, the desuperheating water is injected into the plurality of vortex flow channels 93 through the first flow channel 92, at this time, the plurality of vortex flow channels 93 begin to spray the desuperheating water to change the original direction of the desuperheating water, a rotating shower type is formed, the rotating force forms a centrifugal force on the desuperheating water, and the desuperheating water is sprayed from the spray opening 94 under the action of the centrifugal force, at this time, the desuperheating water can always maintain the best spraying speed to achieve good atomization effect.

[0040] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement and improvement etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable atomizing nozzle characterized by: The valve body (1) and the vortexer assembly (9) are included. The valve body (1) includes a medium inlet, a medium outlet and a cavity, and the vortexer assembly (9) is arranged at the medium outlet of the valve body (1). The vortexer assembly (9) includes a vortexer body (91), which is arranged at the medium outlet of the valve body (1), and a first flow channel (92) and a plurality of vortex flow channels (93) are arranged on the vortexer body (91), the first flow channel (92) and the plurality of vortex flow channels (93) are in communication with each other, and the first flow channel (92) is also in communication with the cavity of the valve body (1).

2. An adjustable atomizing nozzle according to claim 1, wherein: The vortexer body (91) is also provided with a nozzle (94) in communication with the vortex flow channel (93).

3. An adjustable atomizing nozzle according to claim 1, wherein: The plurality of vortex flow channels (93) are uniformly distributed in a circular ring shape.

4. An adjustable atomizing nozzle according to claim 1, wherein: A piston ring (2) and a valve disc (3) are arranged in the cavity of the valve body (1), the piston ring (2) is connected with the valve disc (3), the piston ring (2) is used to open and close the vortexer assembly (9), and the valve disc (3) is driven by an electric actuator (8).

5. An adjustable atomizing nozzle according to claim 1, wherein: A lower valve seat (4) is also arranged in the cavity of the valve body (1), and a winding gasket is arranged at the connection between the lower valve seat (4) and the valve body (1).

6. An adjustable atomizing nozzle according to claim 5, wherein: An upper valve seat (5) is arranged on the top of the lower valve seat (4), and a pressing sleeve (6) is arranged on the top of the upper valve seat (5).

7. An adjustable atomizing nozzle according to claim 4 wherein: A valve cover (7) is also arranged on the top of the valve body (1), and the electric actuator (8) is arranged on the top of the valve cover (7).

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