Foam generating and diffusing device
By combining the nozzle cavity, injector, and foam diffuser, the problem of uneven foam generation and diffusion is solved, achieving uniform foam diffusion and efficient coverage, and adapting to various application scenarios.
Patent Information
- Application Number
- CN202422547488.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-22
AI Technical Summary
Existing foam generating devices have shortcomings in terms of uneven gas-liquid mixing and insufficient diffusion, which affect foam quality and coverage.
The system employs a combination of nozzle cavity, ejector, and foam diffuser, including cylindrical diffuser, conical diffusion structure, and multi-layer foaming net, to ensure thorough gas-liquid mixing and multiple division and foaming processes, thereby achieving uniform foam diffusion.
It improves the uniformity and coverage area of the foam, enhances the stability and coverage of the foam, and has a simple structure, high safety, adaptability to different environments, and is easy to install and maintain.
Smart Images
Figure CN223517741U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foaming preparation technical field, concretely relates to a foaming diffusion device. BACKGROUND
[0002] Foam has a wide range of applications in industry, construction, fire fighting and other fields, especially in mine, tunnel construction and other occasions, foam can be used as an effective means of dust prevention, fire extinguishing or isolation of harmful gas. However, the existing foam generating device still has some deficiencies in foam generation and diffusion.
[0003] Firstly, the conventional foam generating device usually adopts a simple mixing and spraying method, which cannot effectively control the uniformity of gas-liquid mixing. This leads to instability in the foam generation process, low foam quality, uneven foam density and size distribution, and other problems, which affect the use effect of foam. In addition, the foam diffuser of the existing equipment is designed simply, which cannot fully utilize the foam generation potential after gas-liquid mixing, resulting in insufficient foam diffusion and insufficient coverage.
[0004] In view of these problems, it is particularly important to optimize the foam generation and diffusion device. Modern high-efficiency foam generating device needs to ensure sufficient mixing of gas and liquid, and can uniformly diffuse the generated foam through a structure reasonable diffusion device. By adopting the diffusion device design of multi-layer foaming net structure, multiple segmentation and foaming of foam can be realized, and the coverage range and stability of foam are increased. At the same time, the overall structure of the foam generating device also needs to be optimized to reduce energy consumption, improve foam output efficiency, and adapt to the needs of different application scenarios.
[0005] Therefore, a new type of foam generating and diffusing device is designed, which can realize foam generation and diffusion, and has important application value. SUMMARY
[0006] The utility model discloses a kind of foam generating and diffusing devices, to realize the above-mentioned purpose, the utility model provides following technical solutions:
[0007] A kind of foam generating and diffusing device, comprising: nozzle cavity, injector and foam diffuser;
[0008] The nozzle cavity front section is embedded in the flange pipe and connected to the quick plug straight-through head, the nozzle cavity contains a cavity pipeline and a nozzle for spraying the mixed liquid of the foam agent and water, the mixed liquid is sprayed out of the nozzle cavity at high speed to form extremely fine liquid droplets, which can greatly improve the mixing efficiency of the liquid and the gas; the sprayer contains the nozzle cavity, the compressed gas interface, and the rear section is a conical pipeline, which can make the sprayed mixed liquid of the foam agent and water and the air more uniform when flowing out and prevent the generation of turbulence, and optimize the generation of the foam; the foam diffuser contains a conical diffusion pipeline with gradually expanding inner diameter, multiple layers of foaming nets and an external foam transportation pipeline interface, which allows the foam to further expand and foam multiple times, so that it becomes a large volume, delicate foam and is uniformly distributed in the required area.
[0009] Preferably, the foam generating and diffusing device is made of stainless steel, which can effectively prevent corrosion.
[0010] Preferably, the nozzle adopts a circular multi-hole type spraying design to ensure the sufficient mixing of the mixed liquid of the foam agent and water with the air.
[0011] Preferably, the spraying pipeline is a conical structure with a compressed gas interface at the side end, and adopts a coaxial structure design, so that the mixed liquid of the foam agent and water sprayed out of the nozzle cavity and the compressed gas achieve the first gas-liquid mixing through the conical spraying pipeline.
[0012] Preferably, the foam diffuser has a cylindrical appearance and is internally provided with a conical structure that gradually expands outward from the inlet, promoting the second gas-liquid mixing.
[0013] Preferably, the diffuser is internally provided with multiple layers of foaming nets with gradually increasing spacing to promote sufficient foaming, and the foaming net hole diameters are sequentially reduced for layered foaming to improve the uniformity of the foam.
[0014] In the above technical solution, the foam generating and diffusing device provided by the present application has the following advantages
[0015] Advantages:
[0016] 1. The present application adopts a cylindrical diffuser internally provided with a conical diffusion structure and multiple layers of foaming nets, which can disperse and foam the foam multiple times to ensure uniform foam diffusion, wide coverage, and enhanced stability and durability of the foam.
[0017] 2. The mixed liquid of the foam agent and water and the compressed gas are fully mixed in the high-speed spraying process, which improves the uniformity of the gas-liquid mixing and the foaming efficiency, makes the compressed gas quickly enter the mixed liquid of the foam agent and water, ensures that the generated foam is delicate, stable and has high foam multiple, and effectively improves the quality and coverage ability of the foam.
[0018] 3、The utility model discloses, simple structure design, need not external power source, rely on the pressure difference of gas and liquid drive, be suitable for working in the environment of not using electrical equipment, have good security and adaptability.
[0019] 4、The whole is light, and is made of corrosion -resistant material, is suitable for long -term use under severe environment, easy to install and detach, and the routine maintenance workload is small, and the labor intensity is reduced. DRAWINGS
[0020] Figure 1 It is the whole structure schematic diagram of the device;
[0021] Figure 2 It is the main view of the foaming net of the device;
[0022] Figure 3 It is the main view of the nozzle of the device.
[0023] Reference signs:
[0024] 1, direct plug-in head;2, flange pipe;3, nozzle cavity;4, compressed gas interface;5, cavity pipeline;6, injector;7, nozzle;8, tapered pipeline;9, foam diffuser;10, tapered diffusion pipeline gradually expanding inner diameter;11, multilayer foaming net;12, external foam transport pipeline interface. DETAILED DESCRIPTION
[0025] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below with the drawings.
[0026] As Figure 1 The utility model discloses a foam generating diffuser, including nozzle cavity 3, injector 6 and foam diffuser 9. The front section of nozzle cavity 3 is embedded in flange pipe 2, is connected to direct plug-in head 1, and nozzle cavity 3 includes cavity pipeline 5 and nozzle 7, is used to spray the mixed solution of foam agent and water, and the mixed solution is sprayed at high speed through nozzle cavity 3, forms very fine droplet, can greatly improve the mixing efficiency of liquid and gas, and the rear section is tapered pipeline 8, can make the mixed solution of foam agent and water and gas sprayed more evenly when flowing out, and prevent the generation of turbulence, optimize the generation of foam, and the rear section is tapered diffusion pipeline 10 gradually expanding inner diameter, multilayer foaming net 11 and external foam transport pipeline interface 12, let the foam formed initially further expand and foam many times, make it become large volume, delicate foam, and evenly distribute in the area needed.
[0027] Those skilled in the art can understand that other similar connection modes can also realize the utility model. For example, welding, bonding and the like.
[0028] Certain exemplary embodiments of this application are described herein by way of illustration. It should be understood that to those skilled in the art, upon consideration of this disclosure, various modifications could be practiced without departing from the spirit and scope of the application. Thus, the foregoing description is by way of example only, and is not intended to be limiting.
Claims
1. A foam generating and dispensing device, characterized by, It comprises a nozzle cavity, a sprayer and a foam diffuser; the front section of the nozzle cavity is inlaid in a flange pipe and connected to a quick-insert straight-through head; the nozzle cavity contains a cavity pipeline and a nozzle for spraying the mixture of foam agent and water; the sprayer contains a nozzle cavity and a compressed gas interface and the rear section is a conical pipeline; the foam diffuser contains a conical diffusion pipeline with gradually increasing inner diameter, a multilayer foaming net and an external foam transportation pipeline interface.
2. A foam generating and dispensing device according to claim 1, wherein The inner diameter of the pipeline of the nozzle cavity gradually decreases until it is the same as the inner diameter of the nozzle; the front section of the cavity pipeline is connected to the quick-insert straight-through head and inlaid in the flange pipe.
3. A foam generating and dispensing device according to claim 1, wherein The nozzle is a circular multi-hole nozzle; the nozzle is connected to the outlet of the cavity pipeline; the center of the nozzle is at the same level as the center of the cross section of the outlet of the sprayer; and the inner diameter of the nozzle is smaller than the inner diameter of the outlet of the sprayer.
4. A foam generating and dispensing device according to claim 1, wherein The side end of the sprayer is designed with a compressed gas introduction channel; the channel pipe opening is connected with a quick-insert straight-through head, so that the mixture of foam agent and water can absorb sufficient gas when being sprayed at high speed; the design of the lateral opening coaxial allows the external compressed gas to enter the interior of the sprayer and fully mix with the mixture of foam agent and water.
5. A foam generating and dispensing device according to claim 1, wherein The foam diffuser is designed with a multilayer foaming net; the convex surface of the foaming net faces the outlet.