Ventilation and dust removal device for tunnel construction
By incorporating a rotating filter and a cleaning tank at the ventilation fan inlet, the problem of dust accumulation on the ventilation fan is solved, achieving efficient dust removal and long-term operation of the ventilation device, thus ensuring the safety and efficiency of the construction environment.
Patent Information
- Application Number
- CN202520694639.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Dust easily accumulates in ventilation fans during tunnel construction, leading to reduced ventilation efficiency and equipment malfunctions, increased maintenance costs, and a threat to the health of construction workers.
Two rotatable filter bodies are installed at the air inlet of the ventilation fan, and a cleaning tank and drive unit are provided. When one filter is working, the other filter is cleaned in the cleaning tank. The filter is kept clean by washing with water, which extends its service life and improves the convenience of cleaning.
It effectively reduces direct dust contact with the ventilation fan, extends the service life of the device, improves cleaning convenience, and ensures ventilation efficiency and a safe construction environment.
Smart Images

Figure CN223908242U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tunnel ventilation technical field, specifically, relate to a tunnel construction ventilation dust removal device. BACKGROUND
[0002] In the tunnel construction process, ventilation is the important link of ensuring the safety of construction environment, guaranteeing the health of operating personnel, therefore will install ventilation device in the tunnel and ventilate, because the large amount of dust and particulate matter generated in the tunnel, the ventilation fan is easy to be attached by dust, leading to the ventilation efficiency to decline, even possibly causing equipment failure, increase maintenance cost and construction difficulty, in addition, dust accumulation can cause negative influence to the air quality in the tunnel, is not favorable to the respiratory health of construction personnel. Therefore we make improvement to this, propose a tunnel construction ventilation dust removal device. SUMMARY
[0003] The utility model is directed at: the ventilation fan is easy to attach the dust problem existing at present.
[0004] In order to realize the above-mentioned utility model purpose, the utility model provides a tunnel construction ventilation dust removal device to improve the above-mentioned problem.
[0005] The application is as follows:
[0006] A tunnel construction ventilation dust removal device, including the wind cylinder, the outer surface of wind cylinder is connected with support frame, the wind cylinder is provided with ventilation fan main body, the bottom of support frame is installed with base, the base is installed with cleaning pool, and the cleaning pool is used to store water, the base is provided with driving part, the driving part is connected with connecting plate, both ends of connecting plate are fixedly connected with support frame, two support frames are connected with filter screen main body, and two filter screen main bodies are located at the air inlet end of ventilation fan main body and in the cleaning pool respectively.
[0007] As the preferred technical scheme of the application, the cleaning pool is provided with a cleaning element for cleaning the filter screen main body.
[0008] As the preferred technical scheme of the application, the cleaning element includes two brush plates, and the two brush plates are installed in the cleaning pool by bolts, and the two brush plates are located on the two sides of the filter screen main body.
[0009] As the preferred technical scheme of the application, the cleaning pool is provided with a discharge element for discharging water in the cleaning pool.
[0010] As the preferred technical scheme of the application, the discharge element includes a blowdown screw port opened in the bottom of the side surface of the cleaning pool, and a sealing cover is threadedly connected to the inner wall of the blowdown screw port.
[0011] As a preferred technical scheme of the present application, the driving member comprises a motor mounted on the base, an output shaft of the motor is connected with a rotating shaft, and the rotating shaft is fixedly connected with the connecting plate.
[0012] As a preferred technical scheme of the present application, the cleaning pool is arranged in a circular arc shape, and the center of the cleaning pool coincides with the center of the rotating shaft.
[0013] As a preferred technical scheme of the present application, two supporting rods are fixedly connected between the base and the bottom of the supporting frame, and the supporting rods are used for supporting the supporting frame.
[0014] As a preferred technical scheme of the present application, the protection member is arranged in the air duct and is located at the air outlet end of the ventilating fan body.
[0015] As a preferred technical scheme of the present application, the protection member is a protection frame which is fixedly installed in the air duct.
[0016] Compared with the prior art, the present application has the following beneficial effects:
[0017] In the scheme of the present application:
[0018] In order to solve the problem that the ventilating fan is easy to attach dust in the prior art, two rotatable filter screen bodies are arranged at the air inlet of the ventilating fan body, and a cleaning pool and a driving member are provided, the design of the two filter screen bodies ensures that one filter screen body is working while the other filter screen body is in a cleaning state during ventilation, effectively reduces the case that dust directly contacts the ventilating fan body, prolongs the service life of the device, and the driving member drives the rotation of the connecting plate and the supporting frame, so that the filter screen body which needs to be cleaned enters the cleaning pool, and then the filter screen body is washed by water in the cleaning pool, thereby greatly improving the convenience of cleaning. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The structure schematic view of the tunnel construction ventilation and dust removal device provided by the present application is shown in the figure;
[0020] Figure 2 The structure schematic view of the tunnel construction ventilation and dust removal device provided by the present application is shown in the figure;
[0021] Figure 3 The structure schematic view of the tunnel construction ventilation and dust removal device provided by the present application is shown in the figure;
[0022] Figure 4 The structure schematic view of the tunnel construction ventilation and dust removal device provided by the present application is shown in the figure;
[0023] Figure 5 The structure schematic view of the tunnel construction ventilation and dust removal device provided by the present application is shown in the figure;
[0024] Indicated in the figure:
[0025] 1, support frame; 101, air duct; 102, base; 104, rotating shaft; 105, connecting plate; 106, support frame; 107, filter screen body; 108, cleaning pool; 109, brush plate; 110, sewage screw; 111, sealing cover; 112, ventilation fan body; 113, motor; 2, support rod; 3, protective frame. DETAILED DESCRIPTION
[0026] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.
[0027] It should be noted that, in the case of no conflict, the embodiments and the features and technical solutions in the embodiments in the present application can be combined with each other.
[0028] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0029] Embodiments, please refer to Figures 1-5 A tunnel construction ventilation and dust removal device, comprising an air duct 101, a support frame 1 is connected to the outer surface of the air duct 101, a ventilation fan body 112 is arranged in the air duct 101, a base 102 is installed at the bottom of the support frame 1, a cleaning pool 108 is installed on the base 102, water is stored in the cleaning pool 108, a driving member is arranged on the base 102, a connecting plate 105 is connected to the driving member, support frames 106 are fixedly connected to both ends of the connecting plate 105, filter screen bodies 107 are connected in the two support frames 106, the two filter screen bodies 107 are respectively located at the air inlet end of the ventilation fan body 112 and in the cleaning pool 108, the design of the two filter screen bodies 107 ensures that one filter screen body 107 is working while the other filter screen body 107 is in cleaning state during ventilation, effectively reducing the case that dust directly contacts the ventilation fan body 112, prolonging the service life of the device, the driving member drives the rotation of the connecting plate 105 and the support frame 106, so that the filter screen body 107 that needs to be cleaned enters the cleaning pool 108, and then the filter screen body 107 is washed by water in the cleaning pool 108, greatly improving the convenience of cleaning.
[0030] The filter screen body 107 can be made of stainless steel filter screen, which can withstand water washing. The surface of the filter screen body 107 is coated with a nano-silver coating to reduce bacterial growth.
[0031] The wet filter screen body 107 will adsorb more dust particles due to the surface tension of water, especially smaller particles. Therefore, the filter screen body 107 after water washing can improve the filtering effect of dust in a short period of time, and the filter screen body 107 will soon dry under the action of the ventilation fan body 112, so that the residual water on the filter screen body 107 will not adversely affect the filtering of dust.
[0032] Further, the cleaning pool 108 is provided with a cleaning member for cleaning the filter screen body 107, which improves the cleaning effect of the filter screen body 107.
[0033] Further, the cleaning member includes two brush plates 109, which are installed in the cleaning pool 108 by bolts. The two brush plates 109 are located on both sides of the filter screen body 107. The brush plates 109 can be disassembled and replaced by bolts. When the filter screen body 107 rotates, the filter screen body 107 can be cleaned by the brush plates 109.
[0034] Further, the cleaning pool 108 is provided with a discharge member for discharging water in the cleaning pool 108.
[0035] Further, the discharge member includes a drain screw port 110 opened in the bottom of the side of the cleaning pool 108. The inner wall of the drain screw port 110 is threadedly connected with a sealing cover 111. After the sealing cover 111 is unscrewed, the sewage in the cleaning pool 108 can be discharged from the drain screw port 110.
[0036] Further, the driving member includes a motor 113 installed on the base 102. The output shaft of the motor 113 is connected with a rotating shaft 104. The rotating shaft 104 is fixedly connected with the connecting plate 105. The motor 113 can drive the two support frames 106 to rotate through the rotating shaft 104 and the connecting plate 105, thereby switching the positions of the two filter screen bodies 107.
[0037] Further, the cleaning pool 108 is arc-shaped, and the center of the cleaning pool 108 coincides with the center of the rotating shaft 104, so that the filter screen body 107 can be rotated into or out of the cleaning pool 108.
[0038] Further, two support rods 2 are fixedly connected between the base 102 and the bottom of the support frame 1. The support rods 2 are used to support the support frame 1, thereby improving the stability of the support frame 1.
[0039] Further, the protection piece is arranged in the air duct 101, and the protection piece is located at the air outlet end of the ventilation fan body 112, thereby improving the safety of the ventilation fan body 112 during operation.
[0040] Further, the protection piece is a protection frame 3, and the protection frame 3 is fixedly installed in the air duct 101; the ventilation fan body 112 is protected by the protection frame 3, and the safety of the ventilation fan body 112 during operation can be improved.
[0041] In use, ventilation is performed by the ventilation fan body 112, and dust entering the air inlet end of the ventilation fan body 112 is filtered by the filter screen body 107 during ventilation; when the filter screen body 107 needs to be cleaned, the ventilation fan body 112 is stopped and the motor 113 is started; the motor 113 drives the connecting plate 105 to rotate through the rotating shaft 104, and then the positions of the two filter screen bodies 107 are exchanged; after the positions of the two filter screen bodies 107 are exchanged, the ventilation fan body 112 is started again, and the filter screen body 107 in the cleaning tank 108 is cleaned under the action of the brush plate 109 and the water in the cleaning tank 108.
[0042] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0043] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.
Claims
1. A tunnel construction ventilation dust removal device, characterized by, The utility model provides a kind of wind tube (101), support frame (1) is connected on the outer surface of the wind tube (101), ventilation fan main body (112) is provided in the wind tube (101), base (102) is installed at the bottom of support frame (1), cleaning pool (108) is installed on the base (102), water is stored in cleaning pool (108), driving element is provided on the base (102), connecting plate (105) is connected to the driving element, support frame (106) is fixedly connected at both ends of the connecting plate (105), filter screen main body (107) is connected in two support frames (106), two filter screen main bodies (107) are located in the air inlet end of ventilation fan main body (112) and in cleaning pool (108) respectively.
2. The tunnel construction ventilation dust removal device according to claim 1, characterized in that, The cleaning pool (108) is provided with a cleaning element for cleaning the filter screen main body (107).
3. The tunnel construction ventilation dust removal device according to claim 2, characterized in that, The cleaning element includes two brush plates (109), which are mounted in the cleaning pool (108) by bolts, and the two brush plates (109) are located on both sides of the filter screen main body (107) respectively.
4. The tunnel construction ventilation dust removal device according to claim 3, characterized in that, The cleaning pool (108) is provided with a discharge element for discharging water in the cleaning pool (108).
5. The tunnel construction ventilation dust removal device according to claim 4, characterized in that, The discharge element includes a drain screw port (110) opened in the bottom of the side of the cleaning pool (108), and a sealing cover (111) is threadedly connected to the inner wall of the drain screw port (110).
6. The tunnel construction ventilation dust removal device according to claim 5, characterized in that, The driving element includes a motor (113) mounted on the base (102), an output shaft of the motor (113) is connected with a rotating shaft (104), and the rotating shaft (104) is fixedly connected with the connecting plate (105).
7. The tunnel construction ventilation and dust removal device according to claim 6, characterized in that The cleaning pool (108) is arc-shaped, and the center of the cleaning pool (108) coincides with the center of the rotating shaft (104).
8. The tunnel construction ventilation and dust removal device according to claim 7, characterized in that The base (102) and the bottom of the support frame (1) are fixedly connected with two support rods (2), and the support rods (2) are used for supporting the support frame (1).
9. The tunnel construction ventilation dust removal device according to claim 8, characterized in that, The wind tube (101) is provided with a protection element at the air outlet end of the ventilation fan main body (112).
10. The tunnel construction ventilation dust removal device according to claim 9, characterized in that, The protection element is a protection frame (3) fixedly installed in the wind tube (101).