Speed-increasing ridge type demister
By designing structures such as nozzle acceleration airflow and stainless steel mesh in the roof defogger, the existing defogger has solved the problems of low airspeed, limited throughput and white mist residue, achieving efficient defog and environmental protection.
Patent Information
- Application Number
- CN202420747750.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing roof defogging device has problems such as low airspeed, limited throughput and residual white fog at the outlet, which affects the defogging efficiency and the safety of surrounding facilities and personnel.
A speed-enhancing roof defogging device is designed. Through two symmetrically arranged roof defogging plate sets, nozzles are used to accelerate the airflow, increase centrifugal force, promote the separation of small droplets from gas, and improve the defogging efficiency and airflow heat exchange through stainless steel mesh and thermal rods.
It improves the efficiency of defogging, avoids the formation of white fog, protects surrounding facilities and eliminates panic among personnel, and meets environmental protection requirements.
Smart Images

Figure CN222585866U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of demisters, in particular to a speed-increasing roof ridge demister. Background Art
[0002] The ridge-type demister is a widely used demisting equipment, which has the advantages of large contact area and saving installation space. However, in actual use, it is found that the existing ridge-type demister has problems such as low airspeed, limited throughput and residual white mist at the outlet, which is not conducive to ensuring the demisting efficiency and eliminating the adverse effects of white mist on surrounding facilities and personnel. There is a lot of room for improvement. Utility Model Content
[0003] In view of the problems existing in the background technology, the purpose of the utility model is to provide a speed-increasing ridge type demister, which effectively solves the problems existing in the background technology.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A speed-increasing ridge defogger comprises two symmetrically arranged ridge defogger sheet groups, each ridge defogger sheet group comprises a plurality of ventilation cavities evenly distributed along the front-to-back direction, a defogger chamber is arranged between adjacent ventilation cavities, the ventilation cavities and the defogger chambers are both open on the upper and lower sides, a plurality of first air inlet cavities are evenly distributed at the lower opening of the ventilation cavities, the upper side of the first air inlet cavities are open, a first air inlet pipe is commonly penetrated in all the first air inlet cavities, and an upward-facing nozzle is arranged on the first air inlet pipe in each first air inlet cavity; a plurality of first air inlet cavities are evenly distributed at the lower opening of the defogger chamber A second air inlet cavity is provided, wherein the upper and lower sides of the second air inlet cavity are both open, and a second air inlet pipe is commonly provided in all the second air inlet cavities, and an upward nozzle is provided on the second air inlet pipe in each second air inlet cavity, and the first air inlet pipe and the second air inlet pipe are respectively connected to an air source; stainless steel meshes are respectively provided on the front and rear sides of the defogger cavity, and a gap is provided between the stainless steel mesh and the inner wall of the defogger cavity, and the stainless steel meshes include vertical wires and horizontal wires woven in warp and weft, and umbrella skirts are evenly distributed on the vertical wires, and the umbrella skirts are made of rubber and are sleeved and bonded to the vertical wires.
[0006] Furthermore, the ridge demisting sheet group includes a plurality of mutually parallel demisting sheets evenly distributed along the front-to-back direction, and the ventilation cavity or demisting cavity is formed between adjacent demisting sheets.
[0007] Furthermore, the cross section of the demisting sheet is wavy.
[0008] Furthermore, the second air inlet cavity is dumbbell-shaped, and the nozzle on the second air inlet pipe is located at the throat of the second air inlet cavity.
[0009] Furthermore, the air source is a blower.
[0010] Furthermore, a plurality of stainless steel heat-conducting rods are fixedly arranged on the stainless steel net, and the stainless steel heat-conducting rods extend into the ventilation cavity adjacent to the front side of the defogger cavity.
[0011] The utility model has the following beneficial technical effects:
[0012] In the utility model, the airflow is accelerated by the nozzle, and the centrifugal force increases when the airflow turns, which is more conducive to the separation of small droplets and gas, thereby increasing the defog efficiency and ensuring the defog effect. In addition, the gas in the ventilation chamber and the high-temperature and high-humidity gas in the defog chamber undergo inter-wall heat exchange, the air flow temperature in the defog chamber is reduced, which is conducive to the condensation and precipitation of the liquid, the gas temperature in the ventilation chamber is increased, and the gases delivered from the ventilation chamber and the defog chamber are mixed, so that the air discharged from the defogger tends to remain in an unsaturated state, avoiding the formation of white fog, being conducive to the protection of surrounding facilities and eliminating the panic of personnel, and meeting environmental protection requirements. The present application is novel in design, stable and reliable in operation, and suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a front view of an embodiment of the utility model;
[0014] Figure 2 It is a right view of the internal structure of the ridge demisting sheet group in the embodiment of the utility model;
[0015] Figure 3 It is a schematic diagram of the assembly structure of the vertical wires and the umbrella skirt in the embodiment of the utility model. DETAILED DESCRIPTION
[0016] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0017] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present 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 the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" 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. 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 circumstances.
[0018] like Figure 1-3 As shown, a speed-increasing ridge type defogger described in this embodiment comprises two symmetrically arranged ridge defogger sheet groups 1, each ridge defogger sheet group 1 comprises a plurality of ventilation cavities 2 uniformly distributed along the front-to-back direction, and a defogger chamber 3 is arranged between adjacent ventilation cavities 2. Specifically, the ridge defogger sheet group 1 comprises a plurality of mutually parallel defogger sheets 4 uniformly distributed along the front-to-back direction, and the above-mentioned ventilation cavity 2 or defogger chamber 3 is formed between adjacent defogger sheets 4, and the cross section of the defogger sheet 4 is wavy; both upper and lower sides of the ventilation cavity 2 and the defogger chamber 3 are open, and a plurality of first air inlet cavities 5 are uniformly distributed at the lower opening of the ventilation cavity 2, and the upper side of the first air inlet cavity 5 is open and connected to the ventilation cavity 2, and a first air inlet pipe 6 is commonly penetrated in all the first air inlet cavities 5, and an upward nozzle 7 is arranged on the first air inlet pipe 6 in each first air inlet cavity 5;
[0019] A plurality of second air inlet cavities 8 are evenly distributed at the lower opening of the defogger chamber 3, and the second air inlet cavities 8 are open on both the upper and lower sides, the upper opening of the second air inlet cavities 8 is connected to the defogger chamber 3, and the lower opening is used for mist to enter, and a second air inlet pipe 9 is commonly penetrated in all the second air inlet cavities 8, and an upward nozzle 7 is arranged on the second air inlet pipe 9 in each second air inlet cavity 8, and the second air inlet cavity 8 is preferably dumbbell-shaped, and the nozzle 7 on the second air inlet pipe 9 is located at the throat of the second air inlet cavity 8, and the first air inlet pipe 6 and the second air inlet pipe 9 are respectively connected to an air source, and the air source is a blower;
[0020] The front and rear sides of the demisting chamber 3 are also respectively provided with a stainless steel mesh 10. There is a gap between the stainless steel mesh 10 and the inner wall of the demisting chamber 3, and the preferred gap is not more than 1 cm. The stainless steel mesh 10 includes vertical wires 11 and horizontal wires 12 woven in warp and weft. The vertical wires 11 are evenly distributed with umbrella skirts 13. The umbrella skirts 13 are made of rubber. The umbrella skirts 13 are set and bonded to the vertical wires 11. The stainless steel mesh 10 blocks the front and rear sides of the inner wall of the demisting chamber 3. The small droplets thrown out by centrifugal force pass through the stainless steel mesh 10 and contact the demisting sheet 4 or are blocked by the stainless steel mesh 10. The steel mesh 10 captures, and the arrangement of the stainless steel mesh 10 and the umbrella skirt 13 can prevent the separated small droplets from being re-entrained into the middle part of the defogger chamber 3 and rising with the airflow, so that the small droplets can smoothly fall and flow out of the ridge defogger sheet group 1; a plurality of stainless steel heat-conducting rods 14 are fixed on the stainless steel mesh 10, and the stainless steel heat-conducting rods 14 extend into the ventilation chamber 2 adjacent to the front side of the defogger chamber 3. The stainless steel heat-conducting rods 14 enhance the heat exchange of the airflow in the ventilation chamber 2 and the defogger chamber 3, which is beneficial to the cooling of the gas in the defogger chamber 3 and the heating of the gas in the ventilation chamber 2.
[0021] The working principle of this embodiment is:
[0022] The mist enters the defogger chamber 3 through the second air inlet chamber 8, and is accelerated to flow upwards under the induced action of the gas ejected from the nozzle 7. During the flow, it undergoes a centrifugal throw-out and a cooling condensation and precipitation process. At the same time, the gas sent from the air source is ejected upwards into the ventilation chamber 2 through the nozzle 7 and produces inter-wall heat exchange with the gas in the defogger chamber 3. The gases sent from the ventilation chamber 2 and the defogger chamber 3 are mixed and discharged. The discharged air tends to remain in an unsaturated state, thereby avoiding the formation of white mist, being beneficial to the protection of surrounding facilities and eliminating the panic of personnel, and meeting environmental protection requirements. In this embodiment, the airflow is accelerated by the nozzle 7, and the centrifugal force increases when the airflow turns, which is more conducive to the separation of small droplets and gas, thereby increasing the defogger efficiency and ensuring the defogger effect.
[0023] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific uses.
Claims
1. A speed-increasing roof demister, characterized in that: The hood is provided with a plurality of ventilating cavities, each of which has a plurality of openings therein, wherein the plurality of first and second ventilating cavities are provided with a plurality of ventilating cavities, each of which has a plurality of openings therein, wherein the plurality of first and second ventilating cavities are provided with a plurality of ventilating cavities.
2. The speed increasing roof type demister according to claim 1, characterized in that: The ridge demisting sheet group comprises a plurality of mutually parallel demisting sheets evenly distributed along the front-to-back direction, and the ventilation cavity or demisting cavity is formed between adjacent demisting sheets.
3. The speed increasing roof type demister according to claim 2, characterized in that: The cross section of the demisting sheet is wavy.
4. The speed increasing roof demister according to claim 1, characterized in that: The second air inlet cavity is dumbbell-shaped, and the nozzle on the second air inlet pipe is located at the throat of the second air inlet cavity.
5. The speed increasing roof demister according to claim 1, characterized in that: The air source is a blower.
6. The speed increasing roof demister according to claim 1, characterized in that: A plurality of stainless steel heat-conducting rods are fixedly arranged on the stainless steel net, and the stainless steel heat-conducting rods extend into the ventilation cavity adjacent to the front side of the demisting cavity.