CN217265559U

CN217265559U - Nozzle for atomizing and spraying ammonia water

Info

Publication number: CN217265559U
Application number: CN202121392758.6U
Authority: CN
Inventors: 武良辰; 邹骏; 罗小华; 周邓宁; 潘礼; 黄宏春
Original assignee: Nanjing Zhibao Energy Conservation And Environmental Protection Technology Co ltd; Liuzhou Iron and Steel Co Ltd
Current assignee: Nanjing Zhibao Energy Conservation And Environmental Protection Technology Co ltd; Liuzhou Iron and Steel Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-08-23
Anticipated expiration: 2032-07-08

Abstract

The utility model provides a nozzle for atomizing and spraying ammonia water, which comprises a shell, a splitter vane, a splitter hole cavity, a centrifugal cavity and a conical outlet cavity along the flowing path direction of fluid media; the splitter plate is fixedly arranged in the middle of the shell and is provided with a circular raised platform, and a hole is formed in the middle of the platform; the shunting hole cavity is fixedly arranged symmetrically along the annular circumference of the shunting piece at intervals; one end of the centrifugal cavity is communicated with the shunt hole cavity, and the other end of the centrifugal cavity is communicated with the conical outlet cavity; the conical outlet cavity is arranged into a structure that a small-caliber fluid medium enters and a large-caliber fluid medium flows out. This nozzle, through shunting earlier then centrifugation last through toper cavity spun structure, can realize forming solid core toper atomization effect at the nozzle end after fluid medium gets into, can improve the purpose of bridge tube suction.

Description

Nozzle for atomizing and spraying ammonia water

Technical Field

The utility model belongs to the technical field of the power equipment of coke oven use accessory, especially relate to a nozzle that aqueous ammonia atomizing was sprayed.

Background

In the production process of coke ovens, the ammonia nozzle is an important component of the bridge pipe of the coke oven, and is often arranged at the turning part of the bridge pipe and used for spraying hot ammonia to evaporate and cool crude gas by the aid of the ammonia. The bridge pipe is additionally provided with a steam nozzle, when coal is loaded into the carbonization chamber, the steam or ammonia water is sprayed to generate negative pressure to guide the crude gas to enter the gas collecting pipe, so that the smoke dissipated by the coal loading hole is reduced, and the purposes of dust fall, dust removal and field environment improvement are achieved.

However, the existing ammonia water nozzle is installed, a bridge pipe for spraying high-pressure ammonia water can be regarded as a jet pump or an ejector, an ascending pipe is an inlet of the ascending pipe, a gas collecting pipe is an outlet of the ascending pipe, negative pressure generated in the ascending pipe can be obtained, the pressure in the gas collecting pipe can be increased, and in the actual production process, how to control the pressure when the ammonia water nozzle sprays seriously influences the service life and the production safety of the ascending pipe and other parts.

Disclosure of Invention

The technical scheme is as follows: in order to solve the above technical problem, the utility model provides a pair of nozzle that aqueous ammonia atomizing was sprayed, concrete content is:

the device comprises a shell, a splitter vane, a splitter hole cavity, a centrifugal cavity and a conical outlet cavity along the direction of a fluid medium flowing path; the splitter plate is fixedly arranged in the middle of the shell and is provided with a circular raised platform, and a hole is formed in the middle; the shunting hole cavity is fixedly arranged symmetrically at intervals along the annular circumference of the shunting sheet; one end of the centrifugal cavity is communicated with the shunt hole cavity, and the other end of the centrifugal cavity is communicated with the conical outlet cavity; the conical outlet cavity is arranged into a structure that a small-caliber fluid medium enters and a large-caliber fluid medium flows out.

As another improvement, one end of the central hole of the splitter plate is a fluid medium inlet end, and the fluid medium outlet end at the other end is directly communicated with the centrifugal cavity.

As another improvement, the outer side wall of the shell is sequentially provided with an external thread structure, a circular raised platform structure and a square structure along the flowing path direction of the fluid medium; a thread-free cylinder outer side wall structure with the same diameter as the external thread structure is arranged between the external thread structure and the circular protruding platform structure; the butt joint position of the circular protruding platform structure and the square structure and the fluid medium inlet end of the tapered outlet cavity are in the same straight line in the radial direction.

As a further improvement, the device also comprises a retaining ring which is fixedly arranged at the inner side wall positions of the cavity of the diversion hole and the fluid medium inlet of the shell, and is provided with a plurality of groups which are symmetrically distributed and arranged at intervals.

As another improvement, the cavity of the diversion hole is a multi-section hole cavity communicated structure with different diameters, 4-20 groups of diversion holes are arranged at the inlet, and the diameter of the cavity at the middle position is smaller than that of the cavity at the two end positions.

As another improvement, the centrifugal separator further comprises a buffer cavity arranged at the joint of the shunting hole cavity and the centrifugal cavity.

As another improvement, the buffer cavity comprises a central cavity and branch cavities; one end of the branch cavity is communicated with one group of shunt hole cavities, and the other end of the branch cavity is communicated with the central cavity through the hole; the central cavity is communicated with the outlet end of the central hole of the splitter plate and the inlet end of the centrifugal cavity.

Has the advantages that: the utility model provides an aqueous ammonia atomizing spray's nozzle through shunting earlier centrifugation at last through toper cavity spun structure, can get into the back at fluid medium, realizes forming solid core toper atomization effect at the nozzle end, can improve the purpose of bridge pipe suction.

Drawings

Fig. 1 is a schematic cross-sectional view of the nozzle of the present invention.

Fig. 2 is a schematic structural view of the inlet end of the nozzle of the present invention.

In the figure: the centrifugal separator comprises a shell 1, a splitter vane 2, a splitter hole cavity 3, a centrifugal cavity 4, a conical outlet cavity 5, an external thread structure 6, a circular protruding platform structure 7, a square structure 8, a retainer ring 9, splitter holes 10, a central cavity 11 and a branch cavity 12.

Detailed Description

The following describes the present invention in further detail with reference to examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The ammonia water atomizing and spraying nozzle comprises the following specific contents: the device comprises a shell 1, a splitter vane 2, a splitter hole cavity 3, a centrifugal cavity 4 and a conical outlet cavity 5 along the direction of a fluid medium flowing path; the splitter plate 2 is fixedly arranged in the middle of the shell 1, is provided with a circular raised platform and is provided with a hole in the middle; the shunting hole cavities 3 are fixedly arranged symmetrically at intervals along the annular circumference of the shunting sheet 2; one end of the centrifugal cavity 3 is communicated with the shunting hole cavity 3, and the other end of the centrifugal cavity is communicated with the conical outlet cavity 5; the conical outlet cavity 5 is arranged in a structure that a small-caliber fluid medium enters and a large-caliber fluid medium flows out.

One end of the central hole of the splitter plate 2 is a fluid medium inlet end, and the other end of the central hole is directly communicated with the centrifugal cavity 4. The outer side wall of the shell 1 is sequentially provided with an external thread structure 6, a circular raised platform structure 7 and a square structure 8 along the flowing path direction of a fluid medium; a thread-free cylinder outer side wall structure with the same diameter as the external thread structure is arranged between the external thread structure 6 and the circular protruding platform structure 7; the butt joint position of the circular protruding platform structure 7 and the square structure 8 and the fluid medium inlet end of the conical outlet cavity 5 are in the same straight line in the radial direction. Wherein the square structure 8 may be a milled hexagonal structure.

The device also comprises a check ring 9 which is fixedly arranged at the inner side wall positions of the fluid medium inlet of the shunting hole cavity 3 and the shell 1, and a plurality of groups of the check rings are arranged and symmetrically distributed at intervals. The flow distribution hole cavity 3 is a multi-section hole cavity communicating structure with different diameters, 4-20 groups of flow distribution holes are arranged at the inlet, and the diameter of the cavity at the middle position is smaller than that of the cavity at the two end positions.

The centrifugal separator further comprises a buffer cavity body which is arranged at the joint of the shunting hole cavity body 3 and the centrifugal cavity body 4. The buffer cavity comprises a central cavity 11 and branch cavities 12; one end of the branch cavity 12 is communicated with one group of the shunting hole cavities 3, and the other end is communicated with the central cavity 11 through a hole; the central cavity 11 is communicated with the outlet end of the central hole of the splitter plate 2 and the inlet end of the centrifugal cavity 3. The centrifugal chamber 3 is arranged with a larger diameter at the inlet end than at the outlet end of the fluid medium.

The working principle is as follows: fluid medium can be the aqueous ammonia, will the utility model discloses a nozzle passes through 6 fixed mounting of external screw thread structure at front end behind the use position, and the aqueous ammonia gets into branch discharge orifice cavity 3, centrifugal cavity 4, toper export cavity 5 in proper order when splitter plate 2, during the outflow, forms solid core toper atomization effect at the nozzle end.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a nozzle that aqueous ammonia atomizing was sprayed which characterized in that: the device comprises a shell (1), a splitter vane (2), a splitter hole cavity (3), a centrifugal cavity (4) and a conical outlet cavity (5) along the direction of a fluid medium flowing path; the splitter plate (2) is fixedly arranged in the middle of the shell (1) and is provided with a circular raised platform, and a hole is formed in the middle; the shunting hole cavity (3) is fixedly arranged symmetrically at intervals along the annular circumference of the shunting sheet (2); one end of the centrifugal cavity (4) is communicated with the shunting hole cavity (3), and the other end of the centrifugal cavity is communicated with the conical outlet cavity (5); the conical outlet cavity (5) is arranged to be a structure which can enter fluid media with a small caliber and flow out of the fluid media with a large caliber.

2. The ammonia atomizing nozzle of claim 1, wherein: one end of a central hole of the splitter plate (2) is a fluid medium inlet end, and the other end of the central hole is directly communicated with the centrifugal cavity (4).

3. The ammonia atomizing nozzle of claim 1, wherein: the outer side wall of the shell (1) is sequentially provided with an external thread structure (6), a circular raised platform structure (7) and a square structure (8) along the flowing path direction of a fluid medium; a non-threaded cylinder outer side wall structure with the same diameter as the external thread structure is arranged between the external thread structure (6) and the circular protruding platform structure (7); the butt joint position of the circular protruding platform structure (7) and the square structure (8) and the fluid medium inlet end of the conical outlet cavity (5) are in the same straight line in the radial direction.

4. The ammonia atomizing nozzle of claim 1, wherein: the device is characterized by further comprising check rings (9), wherein the check rings are fixedly arranged on the inner side wall positions of the fluid medium inlets of the diversion hole cavity (3) and the shell (1), and are arranged in a plurality of groups at intervals and symmetrically distributed.

5. The ammonia atomizing nozzle of claim 1, wherein: the diversion hole cavity (3) is of a structure with a plurality of sections of hole cavity communicated structures with different diameters, 4-20 groups of diversion holes (10) are arranged at the inlet, and the diameter of the cavity body at the middle position is smaller than that of the hole cavity bodies at the two end positions.

6. The ammonia atomizing nozzle of claim 1, wherein: the centrifugal separator further comprises a buffer cavity body which is arranged at the joint of the shunting hole cavity body (3) and the centrifugal cavity body (4).

7. The ammonia atomizing nozzle of claim 6, wherein: the buffer cavity comprises a central cavity (11) and branch cavities (12); one end of the branch cavity (12) is communicated with one group of the shunting hole cavities (3), and the other end of the branch cavity is communicated with the central cavity (11) through a hole; the central cavity (11) is communicated with the outlet end of the central hole of the splitter plate (2) and the inlet end of the centrifugal cavity (4).

8. The ammonia atomizing nozzle of claim 1, wherein: the centrifugal cavity (4) is set to have a diameter of the inlet end of the fluid medium larger than that of the outlet end of the fluid medium.