Compressed air guniting atomization system
By designing a compressed air spray atomization system that automatically adjusts the pressure of compressed air and liquid, combined with the atomization nozzle design of the cone-shaped channel, the problem of manually adjusting the pressure of compressed air and droplets in the prior art is solved, and automated control and efficient atomization effect are achieved.
Patent Information
- Application Number
- CN202422252679.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing spray atomization and granulation technology requires manual adjustment of compressed air pressure, which affects product quality, and the atomization nozzle is prone to dropping problems.
A compressed air spray atomization system is designed, including a compressed air intake pipeline, a liquid intake pipeline and atomization nozzle. The system is equipped with an electric regulating valve and a pressure transmitter, which automatically adjusts the pressure of compressed air and liquid through the DCS system. The design of the atomization nozzle includes a conical cylindrical channel, where the material liquid and compressed air gather at the mouth of the atomization nozzle to increase the pressure atomization to avoid the generation of liquid droplets.
It realizes automatic adjustment of compressed air pressure, reduces labor costs, ensures atomization effect, and fully atomizes the material and liquid through the design of conical cylindrical channels, avoids the generation of liquid droplets and improves product quality.
Smart Images
Figure CN223042658U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spraying atomization, and particularly relates to a compressed air spraying atomization system. Background Art
[0002] At present, for many spraying atomization granulations, manual adjustment of the compressed air pressure is required to adjust the spraying atomization effect, which has a great dependence on skilled workers and directly affects the product quality. The atomizing nozzle is a device that makes the liquid scatter in a mist shape. There are many types of nozzles on the market, and there is a common problem that liquid drops may fall when spraying liquid, which will affect the quality of the spraying atomization product. Content of the Utility Model
[0003] The purpose of the utility model is to provide a compressed air spraying atomization system aiming at the above deficiencies.
[0004] The utility model includes a compressed air inlet pipeline, a liquid material inlet pipeline, and an atomizing nozzle connected to the two;
[0005] The compressed air inlet pipeline is provided with a compressed air electric control valve a and a compressed air pressure transmitter a, and the liquid material inlet pipeline is provided with a liquid material electric control valve b and a liquid material pressure transmitter b;
[0006] The atomizing nozzle includes a nozzle body and a liquid material channel and a compressed air channel arranged therein. One end of the nozzle body is provided with a liquid inlet interface connected to the end of the liquid material inlet pipeline, and the side wall of the nozzle body is provided with an air inlet pipe. The end of the air inlet pipe is provided with an air inlet interface connected to the end of the compressed air inlet pipeline;
[0007] The liquid material channel includes a columnar channel a with a gradually decreasing diameter, a columnar channel b, a columnar channel c with a gradually decreasing diameter, a columnar channel d, and a columnar channel f with a gradually decreasing diameter that are connected in sequence. The columnar channel a with a gradually decreasing diameter is located at the liquid inlet interface of the nozzle body, and the columnar channel f with a gradually decreasing diameter is located at the liquid spraying outlet end of the nozzle body;
[0008] The compressed air channel includes a cylindrical channel a communicated with the pipeline of the air inlet pipe and a conical cylinder channel b. The end of the conical cylinder channel b converges with the liquid spraying outlet end at the atomizing nozzle orifice.
[0009] Preferably, the DCS system is communicatively connected to the compressed air pressure transmitter a and the liquid material pressure transmitter b. Both the compressed air electric control valve a and the liquid material electric control valve b are communicatively connected to the DCS system and controlled by it to open and close the valves. A program for adjusting the compressed air electric control valve a and the liquid material electric control valve b according to the signal values of the compressed air pressure transmitter a and the liquid material pressure transmitter b is preset in the DCS system.
[0010] Preferably, the atomizing nozzle orifice has a cylindrical structure.
[0011] Preferably, the central axes of both the cylindrical channel a and the conical cylindrical channel b are the same as the central axis of the nozzle body.
[0012] Preferably, the central axes of the columnar channel a with a decreasing diameter, the columnar channel b, the columnar channel c with a decreasing diameter, the columnar channel d, and the columnar channel f with a decreasing diameter are all the same as the central axis of the nozzle body.
[0013] Preferably, the nozzle body and the intake pipe are of an integrally formed structure.
[0014] The advantages of the present utility model are as follows: The end of the conical cylindrical channel and the liquid spraying outlet end converge at the atomizing nozzle orifice. The liquid material and the compressed air converge and are pressurized for atomization at the cylindrical structure atomizing nozzle orifice, avoiding the generation of liquid droplets and enabling full atomization of the liquid material. The pressure of the compressed air is mainly controlled to ensure that the compressed air pressure is within a normal value range, reducing the labor cost and ensuring the atomization effect. Description of the Drawings
[0015] Figure 1 It is a schematic structural view of the present utility model.
[0016] Figure 2 It is a schematic internal structure view of the atomizing nozzle.
[0017] Figure 3 It is a schematic side view of the atomizing nozzle.
[0018] Figure 4 It is a schematic structural view of the atomizing nozzle. Detailed Description of the Embodiment
[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the accompanying drawings here can be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model. It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0021] In the description of the embodiments of the present utility model, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, if terms such as "first", "second", etc. are used only for distinguishing descriptions, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the embodiments of the present utility model, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set" and "connected" are used, they 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0023] As shown in the drawings, the present utility model includes a compressed air inlet pipeline 1, a liquid feed pipeline 2, and an atomizing nozzle 3 connected to the two;
[0024] The compressed air inlet pipeline 1 is provided with a compressed air electric control valve a4 and a compressed air pressure transmitter a5, and the liquid feed pipeline 2 is provided with a liquid feed electric control valve b6 and a liquid feed pressure transmitter b7;
[0025] The atomizing nozzle 3 includes a nozzle body 11 and a liquid feed channel and a compressed air channel arranged therein. One end of the nozzle body 11 is provided with a liquid inlet interface 9 connected to the end of the liquid feed pipeline 2, and the side wall of the nozzle body 11 is provided with an air inlet pipe 10. The end of the air inlet pipe 10 is provided with an air inlet interface 8 connected to the end of the compressed air inlet pipeline 1;
[0026] The liquid feed channel includes a columnar channel a12 with a decreasing diameter, a columnar channel b13, a columnar channel c14 with a decreasing diameter, a columnar channel d15, and a columnar channel f16 with a decreasing diameter that are connected in sequence. The columnar channel a12 with a decreasing diameter is located at the liquid inlet interface 9 of the nozzle body 11, and the columnar channel f16 with a decreasing diameter is located at the liquid spraying outlet end of the nozzle body 11;
[0027] The compressed air channel includes a cylindrical channel a20 connected to the pipeline of the air inlet pipe 10 and a conical cylindrical channel b21. The end of the conical cylindrical channel b21 converges with the liquid spraying outlet end at the atomizing nozzle orifice 23.
[0028] In another technical solution, the DCS system is communicatively connected to a compressed air pressure transmitter a5 and a liquid material pressure transmitter b7, and a compressed air electric control valve a4 and a liquid material electric control valve b6 are both communicatively connected to the DCS system and controlled by it to open and close the valves. A program for adjusting the compressed air electric control valve a4 and the liquid material electric control valve b6 according to the signal values of the compressed air pressure transmitter a5 and the liquid material pressure transmitter b7 is preset in the DCS system.
[0029] In another technical solution, the atomizing nozzle orifice 23 has a cylindrical structure.
[0030] In another technical solution, the central axes of the cylindrical channel a20 and the conical cylindrical channel b21 are the same as the central axis of the nozzle body 11.
[0031] In another technical solution, the central axes of the columnar channel a12 with a decreasing diameter, the columnar channel b13, the columnar channel c14 with a decreasing diameter, the columnar channel d15, and the columnar channel f16 with a decreasing diameter are the same as the central axis of the nozzle body 11.
[0032] In another technical solution, the nozzle body 11 and the air inlet pipe 10 are of an integrally formed structure.
[0033] Working mode: The compressed air pressure transmitter a5 and the liquid material pressure transmitter b7 are used to detect and transmit the compressed air pressure and the liquid material pressure in the pipeline, and are connected to the DCS control system. Through the DCS system, the compressed air pressure value and the liquid material pressure value are calculated, and the opening degrees of the compressed air electric control valve a4 and the liquid material electric control valve b6 are controlled according to the pressure magnitude. When the pressure is small, the valve opening degree is small; when the pressure is large, the valve opening degree is correspondingly increased, for automatic adjustment (mainly for controlling the compressed air pressure to ensure that the compressed air pressure is within a normal value range. The change in the liquid material pressure is usually small and basically does not require adjustment). The end of the conical cylindrical channel and the liquid spraying outlet end converge at the atomizing nozzle orifice, and the liquid material and the compressed air converge and are pressurized and atomized at the cylindrical structure atomizing nozzle orifice, avoiding the generation of liquid droplets and enabling full atomization of the liquid material.
[0034] The above embodiments are only for illustrating the technical solutions and features of the present invention, and the purpose is to better enable those familiar with the technology to implement it, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention are within the protection scope of the present invention, and those not described in detail are prior arts.
Claims
1. A compressed air spraying atomization system, comprising a compressed air inlet pipeline (1), a liquid inlet pipeline (2) and an atomizing nozzle (3) connected to the compressed air inlet pipeline (1), characterized in that: The compressed air inlet pipeline (1) is provided with a compressed air electric regulating valve a (4) and a compressed air pressure transmitter a (5), and the liquid feed inlet pipeline (2) is provided with a liquid feed electric regulating valve b (6) and a liquid feed pressure transmitter b (7); The atomizing nozzle (3) comprises a nozzle body (11) and a liquid feed passage and a compressed air passage arranged therein; one end of the nozzle body (11) is provided with a liquid inlet interface (9) connected to the end of a liquid feed inlet pipeline (2); a side wall of the nozzle body (11) is provided with an air inlet pipe (10); and the end of the air inlet pipe (10) is provided with an air inlet interface (8) connected to the end of a compressed air inlet pipeline (1); The liquid channel comprises a columnar channel a (12) with decreasing diameter, a columnar channel b (13), a columnar channel c (14), a columnar channel d (15) and a columnar channel f (16) with decreasing diameter, which are connected in sequence. The columnar channel a (12) with decreasing diameter is located at the liquid inlet interface (9) of the nozzle body (11), and the columnar channel f (16) with decreasing diameter is located at the liquid spray outlet end of the nozzle body (11); The compressed air channel comprises a cylindrical channel a (20) and a conical cylindrical channel b (21) which are connected to the pipeline of the air inlet pipe (10), and the end of the conical cylindrical channel b (21) and the liquid spray outlet end converge at the atomizing nozzle opening (23).
2. A compressed air spraying atomization system according to claim 1, characterized in that: The DCS system is connected to the compressed air pressure transmitter a (5) and the feed liquid pressure transmitter b (7). The compressed air electric regulating valve a (4) and the feed liquid electric regulating valve b (6) are both connected to the DCS system and controlled by the DCS system to open and close the valves.
3. A compressed air spraying atomization system according to claim 1, characterized in that: The atomizing nozzle opening (23) is a cylindrical structure.
4. A compressed air spraying atomization system according to claim 1, characterized in that: The central axis of the cylindrical channel a (20) and the conical cylindrical channel b (21) are both the same as the central axis of the nozzle body (11).
5. A compressed air spraying atomization system according to claim 1, characterized in that: The central axes of the columnar channel a (12) with decreasing diameter, the columnar channel b (13), the columnar channel c (14), the columnar channel d (15) and the columnar channel f (16) with decreasing diameter are all the same as the central axis of the nozzle body (11).
6. A compressed air spraying atomization system according to claim 1, characterized in that: The nozzle body (11) and the air intake pipe (10) are an integrally formed structure.