Nozzle type temperature reduction structure and desuperheater

Abstract

The utility model provides a nozzle type temperature reducing structure and a temperature reducer, and relates to the technical field of cooling structures in thermal engineering, the nozzle type temperature reducing structure comprises a nozzle body, a nozzle pipe, a spoiler assembly and a vortex machine, the nozzle body is connected with the nozzle pipe, and the nozzle body is used for conveying liquid to the nozzle pipe; the spoiler assembly and the swirler are arranged in the nozzle pipe, the swirler is arranged on the side, away from the nozzle body, of the spoiler assembly, and the swirler is used for enabling liquid to generate rotational flow in the nozzle pipe through rotation and then to be sprayed out of the nozzle pipe. The desuperheater nozzle solves the technical problems that in the prior art, the cooling efficiency of the desuperheater nozzle is low, fluid distribution is not uniform, and then the operation efficiency of thermal equipment is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling structures in thermal engineering, in particular to a nozzle type temperature reduction structure and a temperature reducer. Background Art

[0002] In the prior art, the desuperheater is an important device for reducing the temperature of the fluid and is used in various industrial boilers, steam turbines, gas turbines and other thermal equipment. In practical applications, the desuperheater is a device that uses water as a cooling medium to adjust the temperature of the superheated reheated steam. Its function is to control and maintain the superheated steam temperature or the reheated steam temperature at a specified value.

[0003] Existing desuperheaters are divided into two categories: surface type and water spray type. Among them, the water spray type desuperheater is a device that directly sprays atomized cooling water into the temperature-controlled water vapor, causing it to evaporate into water vapor and mix well with the temperature-controlled water vapor to reduce the temperature of the temperature-controlled water vapor.

[0004] However, traditional desuperheater nozzle designs often have problems such as low cooling efficiency and uneven fluid distribution, which not only affect the operating efficiency of thermal equipment but also increase the possibility of damage to the equipment. Utility Model Content

[0005] The utility model aims to provide a nozzle type temperature reduction structure and a temperature reducer, so as to alleviate the technical problems existing in the prior art that the cooling efficiency of the temperature reducer nozzle is low and the fluid distribution is uneven, thereby affecting the operating efficiency of the thermal equipment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] In a first aspect, the utility model provides a nozzle type temperature reduction structure, comprising a nozzle body, a nozzle pipe, a spoiler assembly and a vortexer, wherein the nozzle body is connected to the nozzle pipe, and the nozzle body is used to transport liquid to the nozzle pipe;

[0008] The spoiler assembly and the vortex generator are placed in the nozzle tube. The vortex generator is arranged on the side of the spoiler assembly away from the nozzle body, and the vortex generator is used to generate a swirl flow in the nozzle tube through rotation and then spray out from the nozzle tube.

[0009] Furthermore, the spoiler assembly includes two spoiler monomers that are staggered, and each of the spoiler monomers has a semi-elliptical sheet structure.

[0010] Furthermore, the angle between the two staggered spoiler monomers is 100° to 120°, and the two staggered spoiler monomers are used to change the flow direction of the liquid.

[0011] Furthermore, the spoiler unit is provided with a slot, and the spoiler unit on one side is plugged with the other spoiler unit through the slot.

[0012] Furthermore, the vortex generator is provided with an inclined infusion through hole, and the infusion through hole is used to transport liquid to a side of the vortex generator away from the spoiler assembly.

[0013] Furthermore, two infusion through holes are provided, and the two infusion through holes are relatively distributed and face in opposite directions, so that the infusion through holes drive the vortex device to rotate through the impact of the fluid.

[0014] Furthermore, the nozzle body is provided with a liquid outlet;

[0015] The nozzle tube is provided with a receiving chamber, the receiving chamber is communicated with the liquid outlet, and the receiving chamber is used for receiving the spoiler assembly and the vortex generator.

[0016] Furthermore, the nozzle tube is also provided with an arc-shaped cavity, the arc-shaped cavity is communicated with the accommodating cavity, and the cavity wall of the arc-shaped cavity is in an arc shape.

[0017] Furthermore, a water spray hole is provided at the top of the nozzle tube, the water spray hole is communicated with the arc-shaped cavity, and the water spray hole is a conical structure.

[0018] In a second aspect, the utility model provides a desuperheater, comprising the nozzle-type desuperheating structure described in any one of the aforementioned embodiments.

[0019] The utility model can achieve the following beneficial effects:

[0020] In the first aspect, the utility model provides a nozzle-type cooling structure, comprising a nozzle body, a nozzle tube, a spoiler assembly and a vortex generator, wherein the nozzle body is connected to the nozzle tube, and the nozzle body is used to transport liquid to the nozzle tube; the spoiler assembly and the vortex generator are placed in the nozzle tube, the vortex generator is arranged on the side of the spoiler assembly away from the nozzle body, and the vortex generator is used to generate a swirl flow in the liquid in the nozzle tube through rotation and then spray it out from the nozzle tube.

[0021] In the utility model, a channel for liquid circulation is provided in the nozzle body, and a nozzle tube is installed on the outer wall of the nozzle body. A accommodating chamber is provided in the nozzle tube. A spoiler assembly and a vortex generator are provided in the accommodating chamber from bottom to top. The spoiler assembly is engaged with the inner wall of the nozzle body, and the vortex generator provided above the spoiler assembly rotates when water flows through, thereby causing the liquid to be sprayed out from the water spray hole of the nozzle tube.

[0022] Compared with the prior art, the nozzle-type cooling structure provided by the utility model realizes the function of changing the flow direction of the liquid through the spoiler assembly and the vortex generator, so that the liquid can achieve a diffuse atomization effect when passing through the water spray hole, thereby facilitating a larger spray area of ​​the liquid after atomization.

[0023] In summary, the utility model at least alleviates the technical problems existing in the prior art, such as low cooling efficiency of the desuperheater nozzle and uneven fluid distribution, which in turn affect the operating efficiency of the thermal equipment.

[0024] In addition, the second aspect of the utility model also provides a cooler, including the nozzle-type cooler structure provided by the first aspect; since the cooler provided by the utility model includes the nozzle-type cooler structure provided by the first aspect, the cooler provided by the utility model can achieve all the beneficial effects that can be achieved by the nozzle-type cooler structure provided by the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic structural diagram of a nozzle body of a nozzle-type temperature reduction structure provided in an embodiment of the utility model;

[0027] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0028] Figure 3 A schematic structural diagram of a spoiler assembly of a nozzle-type temperature reduction structure provided in an embodiment of the utility model;

[0029] Figure 4 A schematic structural diagram of a vortex machine with a nozzle-type temperature reduction structure provided in an embodiment of the utility model.

[0030] Icons: 1-nozzle body; 11-liquid outlet; 2-nozzle tube; 21-water spray hole; 22-accommodating cavity; 23-arc cavity; 3-spoiler unit; 31-slot; 4-vortexer; 41-infusion through hole. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present utility model, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] Embodiment 1

[0039] This embodiment provides a nozzle type cooling structure, referring to Figure 1 or Figure 2 As shown, the nozzle type cooling structure includes a nozzle body 1, a nozzle tube 2, a spoiler assembly and a vortex generator 4, the nozzle body 1 is connected to the nozzle tube 2, and the nozzle body 1 is used to transport liquid to the nozzle tube 2; the spoiler assembly and the vortex generator 4 are placed in the nozzle tube 2, the vortex generator 4 is arranged on the side of the spoiler assembly away from the nozzle body 1, and the vortex generator 4 is used to rotate to make the liquid generate a swirl in the nozzle tube 2 and then spray it out from the nozzle tube 2.

[0040] The embodiments of the utility model at least alleviate the technical problems existing in the prior art, such as low cooling efficiency of the desuperheater nozzle and uneven fluid distribution, which further affect the operating efficiency of the thermal equipment.

[0041] In the embodiment of the utility model, a channel for liquid circulation is opened in the nozzle body 1, and a nozzle tube 2 is installed on the outer wall of the nozzle body 1. A accommodating chamber 22 is provided in the nozzle tube 2. A spoiler assembly and a vortex generator 4 are provided in the accommodating chamber 22 from bottom to top. The spoiler assembly is snap-fitted to the inner wall of the nozzle body 1, and the vortex generator 4 provided above the spoiler assembly rotates when water flows through, thereby causing the liquid to be sprayed out from the water spray hole 21 of the nozzle tube 2.

[0042] Compared with the prior art, the nozzle-type cooling structure provided in the embodiment of the utility model realizes the function of changing the flow direction of the liquid through the spoiler assembly and the vortex generator 4, so that the liquid can achieve a diffuse atomization effect when passing through the water spray hole 21, thereby facilitating a larger spray area of ​​the liquid after atomization.

[0043] In an optional implementation manner of this embodiment, refer to Figure 1 , Figure 2 or Figure 3 The spoiler assembly includes two spoiler monomers 3 that are staggered, and each spoiler monomer 3 has a semi-elliptical sheet structure.

[0044] Specifically: the spoiler assembly includes two staggered spoiler monomers 3, that is, from a side view, the two spoiler monomers 3 are crossed in an X shape, so that the liquid flowing through the two spoiler monomers 3 can flow along the surface of the spoiler monomers 3, thereby allowing the liquid to have a certain angle when flowing through the vortex device 4.

[0045] It should be noted that each spoiler sheet monomer 3 has a semi-elliptical sheet structure, so that it can better fit with the cavity wall of the cylindrical accommodating cavity 22 when the two are in an inclined and crossed state.

[0046] Further, refer to Figure 1 , Figure 2 or Figure 3 The included angle between the two staggered spoiler monomers 3 is 100° to 120°, and the two staggered spoiler monomers 3 are used to change the flow direction of the liquid.

[0047] Specifically, the angle between two staggered spoiler monomers 3 is 100° to 120°, and preferably the angle between the two spoiler monomers 3 is 110°, so that the interconnected spoiler monomers 3 can fit better with the cavity wall of the accommodating cavity 22, and can also change the flow direction of the liquid in the nozzle tube 2.

[0048] In an optional implementation manner of this embodiment, refer to Figure 3 The spoiler sheet monomer 3 is provided with a slot 31 , and the spoiler sheet monomer 3 on one side is plugged with the other spoiler sheet monomer 3 through the slot 31 .

[0049] Specifically, the spoiler unit 3 is provided with a slot 31 , and the spoiler unit 3 on one side is plugged into the other spoiler unit 3 through the slot 31 , so that the two spoiler units 3 can be plugged in at a certain angle to achieve relative position fixing of the two units.

[0050] Preferably, the spoiler unit 3 may be a thin sheet structure, and a square slot 31 with a side length of 3 mm is provided thereon.

[0051] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 4 The vortex device 4 is provided with an inclined infusion through hole 41, and the infusion through hole 41 is used to transport the liquid to the side of the vortex device 4 away from the spoiler assembly.

[0052] Specifically: the vortex generator 4 is provided with an inclined infusion through hole 41, and the two sides of the infusion through hole 41 are respectively connected to the accommodating chamber 22 and the arc-shaped chamber 23 of the nozzle tube 2, thereby realizing the transfer of liquid from the accommodating chamber 22 to the arc-shaped chamber 23 through the infusion through hole 41 of the vortex generator 4.

[0053] Further, refer to Figure 4 There are two infusion through holes 41 , and the two infusion through holes 41 are relatively distributed and face in opposite directions, so that the infusion through holes 41 drive the vortex device 4 to rotate through the impact of the fluid.

[0054] Specifically: there are two infusion through holes 41, which are relatively distributed and facing opposite directions. Through the impact of water flow, liquid flows through the two infusion through holes 41, and because the infusion through holes 41 are inclined, the liquid drives the vortex generator 4 to rotate when passing through the infusion through holes 41. At this time, the vortex generator 4 is in a state of being separated from the spoiler assembly.

[0055] In an optional implementation manner of this embodiment, refer to Figure 1 or Figure 2 The nozzle body 1 is provided with a liquid outlet 11 ; the nozzle tube 2 is provided with a receiving chamber 22 , the receiving chamber 22 is communicated with the liquid outlet 11 , and the receiving chamber 22 is used to receive the spoiler assembly and the vortex device 4 .

[0056] The spoiler assembly and the vortex generator 4 cause the fluid to generate a swirl in the accommodating chamber 22, thereby achieving uniform distribution and sufficient mixing of the fluid, and further improving the cooling efficiency.

[0057] Specifically: the liquid outlet 11 opened in the nozzle body 1 is connected to the accommodating chamber 22 of the nozzle tube 2, and the nozzle tube 2 and the nozzle body 1 are threadedly connected. The spoiler assembly and the vortex generator 4 are both accommodated in the accommodating chamber 22 to change the flow direction of the liquid in the accommodating chamber 22.

[0058] Further, refer to Figure 1 or Figure 2 The nozzle tube 2 is further provided with an arc-shaped cavity 23, which is communicated with the accommodating cavity 22, and the cavity wall of the arc-shaped cavity 23 is in an arc shape.

[0059] Specifically, the arc cavity 23 is connected to the accommodating cavity 22, and the cavity wall of the arc cavity 23 is arc-shaped; a water spray hole 21 is opened at the top center of the arc cavity 23, and the arc-shaped top design can make the liquid more concentrated to the water spray hole 21 located at the top center.

[0060] Further, refer to Figure 1 or Figure 2 A water spray hole 21 is provided at the top of the nozzle tube 2. The water spray hole 21 is connected to the arc cavity 23, and the water spray hole 21 is a conical structure.

[0061] Specifically: a water spray hole 21 is opened on the top of the nozzle tube 2, the water spray hole 21 is connected to the arc cavity 23, and the water spray hole 21 is a conical structure; preferably, the water spray hole with a conical structure can effectively increase the pressure and range of the water spray, thereby enhancing the cooling effect, and can make the structure of the nozzle tube 2 simple, easy to manufacture and maintain, and reduce the production and use costs.

[0062] The working principle of this embodiment is to form a solid conical spray shape through the structure of the nozzle type desuperheater, the spray area is circular, and the spray angle is 43-106 degrees. The nozzle can produce a uniformly distributed spray with medium to large droplet size under a wide range of flow rates and pressures. This uniform spray distribution comes from the unique spoiler and large and unobstructed flow channel and excellent control characteristics.

[0063] Embodiment 2

[0064] This embodiment provides a cooler, which includes the nozzle-type cooler structure provided in any optional implementation manner in the first embodiment.

[0065] Since the cooler provided in this embodiment includes the nozzle-type cooler structure described in Embodiment 1, the cooler provided in this embodiment can achieve all the beneficial effects that can be achieved by the nozzle-type cooler structure in Embodiment 1, and its specific structure and achievable effects can be obtained by referring to the optional or preferred implementations in Embodiment 1.

[0066] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A nozzle type temperature reduction structure, characterized in that: It comprises a nozzle body (1), a nozzle pipe (2), a spoiler assembly and a swirler (4), wherein the nozzle body (1) is connected to the nozzle pipe (2), and the nozzle body (1) is used to transport liquid to the nozzle pipe (2); The spoiler assembly and the vortex generator (4) are placed in the nozzle tube (2); the vortex generator (4) is arranged on a side of the spoiler assembly away from the nozzle body (1); and the vortex generator (4) is used to generate a swirling flow of liquid in the nozzle tube (2) through rotation and then spray it out from the nozzle tube (2).

2. The nozzle type temperature reduction structure according to claim 1, characterized in that: The spoiler assembly comprises two spoiler monomers (3) which are staggered and distributed, and each of the spoiler monomers (3) is in a semi-elliptical sheet structure.

3. The nozzle type temperature reduction structure according to claim 2, characterized in that: The angle between the two staggered spoiler sheet monomers (3) is 100° to 120°, and the two staggered spoiler sheet monomers (3) are used to change the flow direction of the liquid.

4. The nozzle type temperature reduction structure according to claim 2 or 3, characterized in that: The spoiler sheet monomer (3) is provided with a slot (31), and the spoiler sheet monomer (3) on one side is plugged into another spoiler sheet monomer (3) through the slot (31).

5. The nozzle type temperature reduction structure according to claim 1, characterized in that: The vortex generator (4) is provided with an inclined infusion through hole (41), and the infusion through hole (41) is used to transport liquid to a side of the vortex generator (4) facing away from the spoiler assembly.

6. The nozzle type temperature reduction structure according to claim 5, characterized in that: Two infusion through holes (41) are provided, and the two infusion through holes (41) are relatively distributed and face in opposite directions, so that the infusion through holes (41) drive the vortex device (4) to rotate through the impact of the fluid.

7. The nozzle type temperature reduction structure according to claim 1, characterized in that: The nozzle body (1) is provided with a liquid outlet (11); The nozzle tube (2) is provided with a receiving chamber (22), the receiving chamber (22) is communicated with the liquid outlet (11), and the receiving chamber (22) is used to receive the spoiler assembly and the vortex generator (4).

8. The nozzle type temperature reduction structure according to claim 7, characterized in that: The nozzle tube (2) is further provided with an arc-shaped cavity (23), the arc-shaped cavity (23) is communicated with the accommodating cavity (22), and the cavity wall of the arc-shaped cavity (23) is in an arc shape.

9. The nozzle type temperature reduction structure according to claim 8, characterized in that: A water spray hole (21) is provided at the top of the nozzle tube (2), the water spray hole (21) is communicated with the arc-shaped cavity (23), and the water spray hole (21) is a conical structure.

10. A desuperheater, characterized in that: The nozzle-type temperature reduction structure comprises the nozzle-type temperature reduction structure according to any one of claims 1 to 9.

Images