A tunnel air supply device

Abstract

The application discloses a tunnel air supply equipment, which comprises a wind cylinder and a connecting device arranged outside the wind cylinder; both ends of the wind cylinder are provided with air fans, and the blowing directions of the two groups of air fans are the same; both ends of the wind cylinder are provided with protective nets; the top of the wind cylinder is provided with a first air outlet, and the bottom of the wind cylinder is provided with a second air outlet; the connecting device comprises a ring-shaped support, a sling, a mounting seat, a connecting column and a fixing seat; the support is provided with two groups, and is fixedly installed on the outer periphery of the wind cylinder; the sling is installed on the support; the sling is provided with two groups and is kept parallel to each other; the top of the sling is fixedly installed with a tunnel top plate; the mounting seat is arranged in the middle of the wind cylinder, the connecting column is vertically installed on the mounting seat, and the fixing seat is arranged on the top of the connecting column; the fixing column is fixedly installed with the tunnel top plate through bolts; the application is provided with a baffle in the wind cylinder, and the two groups of air fans form two air outlet channels; the same direction blowing is kept, the air outlet efficiency is not affected, and the use is more convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction equipment, in particular to a tunnel air supply equipment. BACKGROUND

[0002] When building a tunnel or after the tunnel is put into use, since the tunnel is a relatively closed environment only connected with the outside at both ends, a large amount of dust is generated during excavation, which mixes in the air and pollutes the air, affecting the normal progress of the project and causing adverse effects on the health of the excavators. After the tunnel is put into use, since there is a lack of air exchange with the outside, the air in the tunnel does not move smoothly, a large amount of automobile exhaust and dust rolled up by the cars make the air in the tunnel turbid, the air quality is extremely poor, causing certain harm to the people passing through, and since the air is turbid, the light in the tunnel is dark itself, which greatly increases the frequency of traffic accidents in the tunnel. The air supply equipment in the prior art blows air in one direction through two fans at both ends; two fans operate at the same time and in the same direction, the air flow blown out is easy to interfere, causing the actual air supply efficiency to be much less than the sum of the output powers of the two fans. SUMMARY

[0003] In view of the deficiencies of the prior art, the purpose of the present application is to provide a tunnel air supply equipment with high air outlet efficiency and capable of absorbing air in the tunnel from multiple angles to ensure the ventilation quality.

[0004] In order to achieve the above-mentioned purpose, the present application realizes the technical scheme as follows: a tunnel air supply equipment, comprising a wind cylinder and a connecting device arranged outside the wind cylinder; both ends of the wind cylinder are provided with fans, and the blowing directions of the two groups of fans are the same; both ends of the wind cylinder are provided with protective nets; the top of the wind cylinder is provided with a first air inlet, and the bottom of the wind cylinder is provided with a second air inlet; the connecting device comprises a ring-shaped support, a sling, a mounting seat, a connecting column and a fixing seat; the support is arranged in two groups and is fixedly installed on the outer periphery of the wind cylinder, and the sling is installed on the support; the slings are arranged in two groups and are parallel to each other; the top of the sling is fixedly installed with the tunnel roof; the mounting seat is arranged in the middle of the wind cylinder, the connecting column is vertically installed on the mounting seat, and the fixing seat is arranged at the top of the connecting column; and the fixing seat is fixedly installed with the tunnel roof through bolts.

[0005] In order to better realize the present application, further, an opening is arranged on the fixing seat, and the inside of the connecting column is hollow; the opening of the fixing seat is in communication with the hollow part of the connecting column; and the mounting seat and the wind cylinder are both provided with an opening with the same shape and size as the hollow part of the connecting column.

[0006] In order to better realize the present application, further, the inside of the air duct is provided with an inclined partition plate; the partition plate is kept inclined and arranged upward; the partition plate divides the inside of the air duct into two cavities which are not communicated with each other; and the first air outlet and the second air outlet are respectively located in the two cavities.

[0007] In order to better realize the present application, further, independent purification units are respectively arranged in the two cavities.

[0008] In order to better realize the present application, further, the air sucked by the fan located at one side is discharged through the first air outlet after passing through the purification unit.

[0009] In order to better realize the present application, further, the air sucked by the fan located at the other side is discharged outward after the external gas enters the second air outlet and passes through the purification unit.

[0010] In order to better realize the present application, further, the inner wall of the air duct is a double-layer plate structure, and soundproof cotton is arranged in the interlayer.

[0011] In order to better realize the present application, further, filter screens are arranged on the first air outlet and the second air outlet.

[0012] Compared with the prior art, the present application has the following advantages and beneficial effects:

[0013] (1) The present application divides the inside of the air duct into two cavities which are not communicated with each other by additionally arranging a partition plate in the air duct; the first air outlet and the second air outlet are respectively located in the two cavities; the air sucked by the fan located at one side is discharged through the first air outlet after passing through the purification unit; the air sucked by the fan located at the other side is discharged outward after the external gas enters the second air outlet and passes through the purification unit; the two fans work independently, and the air flows do not affect each other; and the harmful gas can be removed after passing through the purification unit in the air duct;

[0014] (2) The present application is provided with an opening on the fixing seat, the connecting column is hollow inside; the opening of the fixing seat is communicated with the hollow part of the connecting column; and the corresponding mounting seat and the air duct are both provided with an opening which has the same shape and size as the hollow part of the connecting column. The external power supply line can be extended into the connecting column from the opening of the fixing seat, and finally extended to the inside of the air duct, so as to supply power for the purification unit and other electrical equipment in the air duct;

[0015] (3) The present application optimizes the structure of the air supply equipment, realizes the independent operation of the two-end fans, can simultaneously suck air from the upper part and the lower part of the air duct, purifies the air in the air duct, improves the air purification efficiency, especially for the methane and other gases which can float in the top end of the tunnel, the purification effect is very good, guarantees the ventilation effect in the tunnel, improves the safety of the tunnel construction, and is suitable for wide application and promotion. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects, and advantages of the application will become more apparent from the following detailed description when read in connection with the following drawings:

[0017] Figure 1 is a schematic view of the front end of the present application;

[0018] Figure 2 is a schematic view of the front end of the present application;

[0019] Figure 3 is a schematic view of the bottom of the present application;

[0020] Figure 4 is a schematic view of the internal structure of the present application.

[0021] Wherein: 1 - wind cylinder, 2 - protective net, 3 - support, 4 - sling, 5 - first air port, 6 - mounting seat, 7 - connecting column, 8 - fixing seat, 9 - fan, 10 - second air port, 11 - partition, 12 - purification unit. DETAILED DESCRIPTION

[0022] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Example 1:

[0026] The main structure of the embodiment, as shown in Figures 1-4 includes a wind cylinder 1 and a connecting device arranged outside the wind cylinder 1.

[0027] Both ends of the wind cylinder 1 are provided with a fan 9, and the blowing directions of the two groups of fans 9 are the same. Both ends of the wind cylinder 1 are provided with a protective net 2. The top of the wind cylinder 1 is provided with a first air outlet 5, and the bottom of the wind cylinder 1 is provided with a second air outlet 10.

[0028] The connecting device includes a ring-shaped support 3, a sling 4, a mounting seat 6, a connecting column 7 and a fixing seat 8. The support 3 is arranged in two groups and is fixedly installed on the outer periphery of the wind cylinder 1. The sling 4 is installed on the support 3. The slings 4 are arranged in two groups and are parallel to each other. The top of the sling 4 is fixedly installed with the tunnel roof.

[0029] The mounting seat 6 is arranged in the middle of the wind cylinder 1. The connecting column 7 is vertically installed on the mounting seat 6. The fixing seat 8 is arranged at the top of the connecting column 7. The fixing seat 8 is fixedly installed with the tunnel roof through bolts.

[0030] Specifically, the wind cylinder 1 is fixed in the tunnel through the external support and sling. The top of the wind cylinder 1 is provided with a mounting seat 6, a connecting column 7 and a fixing seat 8 at the middle position. The fixing seat 8 is provided with an opening. The inside of the connecting column 7 is hollow. The opening of the fixing seat 8 is in communication with the hollow part of the connecting column 7. The mounting seat 6 and the wind cylinder 1 are both provided with an opening with the same shape and size as the hollow part of the connecting column 7. The external power supply line can extend into the connecting column 7 from the opening of the fixing seat 8 and finally extend to the inside of the wind cylinder 1, thereby supplying power to the electrical equipment in the wind cylinder 1. During operation, the fan 9 on one side inhales air through the first air outlet 5 and exhausts air. The fan 9 on the other side inhales air, and external gas enters from the second air outlet 10 and is exhausted outward. The two fans 9 work independently, and the airflow does not affect each other.

[0031] Embodiment 2:

[0032] The structure of the fixing seat 8 of the embodiment is further defined on the basis of the above-mentioned embodiment, as shown in Figures 1-4 The fixing seat 8 is provided with an opening. The inside of the connecting column 7 is hollow. The opening of the fixing seat 8 is in communication with the hollow part of the connecting column 7. The mounting seat 6 and the wind cylinder 1 are both provided with an opening with the same shape and size as the hollow part of the connecting column 7. The advantage of such arrangement is that the external power supply line can extend into the connecting column 7 from the opening of the fixing seat 8 and finally extend to the inside of the wind cylinder 1, thereby supplying power to the purification unit 12 and other electrical equipment in the wind cylinder 1. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described again.

[0033] Embodiment 3:

[0034] The embodiment is based on the above-mentioned embodiment, and further limits the internal structure of the air duct 1, as shown in the figure. Figure 4 The internal structure of the air duct 1 is provided with an inclined partition plate 11; the partition plate 11 is kept inclined and upwardly arranged; the partition plate 11 divides the air duct 1 into two cavities that are not communicated with each other; and the first air port 5 and the second air port 10 are respectively located in the two cavities. The advantage of such arrangement is that the partition plate 11 divides the air duct 1 into two cavities that are not communicated with each other, and the two fans 9 work independently, and the air flow does not affect each other. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein again.

[0035] Embodiment 4:

[0036] The embodiment is based on the above-mentioned embodiment, and further adds a purification unit 12, as shown in the figure. Figure 4 The two cavities are respectively provided with an independent purification unit 12. The advantage of such arrangement is that the purification unit 12 is arranged to purify the air in the tunnel when the air passes through the air duct 1. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein again.

[0037] Embodiment 5:

[0038] The embodiment is based on the above-mentioned embodiment, and further limits the air flow direction in the air duct 1. The fan 9 located on one side sucks air through the purification unit 12 and then discharges the air through the first air port 5. The fan 9 located on the other side sucks air, and the external air enters through the second air port 10, passes through the purification unit 12 and is then discharged outwardly. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein again.

[0039] Embodiment 6:

[0040] The embodiment is based on the above-mentioned embodiment, and further limits the internal wall structure of the air duct 1. The internal wall of the air duct 1 is a double-layer plate structure, and the interlayer is provided with soundproof cotton. The advantage of such arrangement is that the fan 9 generates vibration when the air duct 1 works, and the soundproof cotton in the interlayer can reduce the vibration and absorb the noise. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein again.

[0041] Embodiment 7:

[0042] The embodiment is based on the above-mentioned embodiment, and further adds a filter screen. The first air port 5 and the second air port 10 are respectively provided with a filter screen. The advantage of such arrangement is that the filter screens on the first air port 5 and the second air port 10 can block the external dust or foreign matters from entering the air duct 1. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein again.

[0043] It can be understood that the working principle and working process of the components such as the fan 9 and the purification unit 12 according to the air supply device structure of one embodiment of the present application are all prior art and are well known to those skilled in the art, and thus will not be described in detail here.

[0044] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the present application, the scope of which is defined by the claims and their equivalents.

Claims

1. A tunnel ventilation system, characterized in that, It includes a ventilation duct (1) and a connecting device disposed outside the ventilation duct (1); Both ends of the air duct (1) are equipped with fans (9), and the two sets of fans (9) blow air in the same direction; both ends of the air duct (1) are equipped with protective nets (2); the top of the air duct (1) is equipped with a first air outlet (5), and the bottom of the air duct (1) is equipped with a second air outlet (10). The connecting device includes an annular bracket (3), a sling (4), a mounting base (6), a connecting column (7), and a fixing base (8); the bracket (3) is provided in two sets, and both are fixedly installed on the outer periphery of the ventilation duct (1); the sling (4) is installed on the bracket (3); the sling (4) is provided in two sets and kept parallel to each other; the top of the sling (4) is fixedly installed to the tunnel roof. The mounting base (6) is located in the middle of the ventilation duct (1), the connecting column (7) is vertically installed on the mounting base (6), and the fixing base (8) is located on the top of the connecting column (7); the fixing base (8) is fixedly installed to the tunnel roof plate by bolts. The air duct (1) is provided with an inclined partition (11); the partition (11) is inclined upward; the partition (11) divides the air duct (1) into two non-communicating cavities; and the first air outlet (5) and the second air outlet (10) are located in the two cavities respectively; the fixed seat (8) is provided with an opening, and the connecting column (7) is hollow inside; the opening of the fixed seat (8) is connected to the hollow part of the connecting column (7); the corresponding mounting seat (6) and the air duct (1) are provided with openings of the same shape and size as the hollow part of the connecting column (7); each of the two cavities is provided with an independent purification unit (12); the fan (9) on one side draws air through the purification unit (12) and then exhausts air through the first air outlet (5); the fan (9) on the other side draws air, and the external gas enters from the second air outlet (10), passes through the purification unit (12), and is then discharged to the outside.

2. The tunnel ventilation equipment according to claim 1, characterized in that, The inner wall of the air duct (1) is a double-layer plate structure, with sound insulation cotton in the interlayer.

3. The tunnel ventilation equipment according to claim 1, characterized in that, Both the first air vent (5) and the second air vent (10) are equipped with filters.

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