Underground ventilation device

Abstract

The utility model relates to the technical field of ventilation devices, in particular to an underground ventilation device, which is convenient for conveying low-temperature air to the underground, improves the underground operation comfort of personnel, improves the air cleaning effect and improves the use convenience. Comprising an air pipe and a fan, and the fan communicates with the input end of the air pipe; the device comprises a cooling device, a filtering device, an adjusting device, a first box body, two sets of second box bodies and multiple sets of first heat exchange pipes, the first box body communicates with the cooling device, the cooling device is used for circularly conveying cooling water in the first box body, and the two sets of second box bodies are both installed on the inner side wall of the first box body; the two ends of the first heat exchange pipes communicate with the two second box bodies correspondingly, the left second box body communicates with the input end of the draught fan, the right second box body communicates with the filtering device, the filtering device is used for filtering air, and the adjusting device communicates with the output end of the air pipe and is used for adjusting the exhaust direction of the air pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ventilation device, in particular to a kind of underground ventilation device. BACKGROUND

[0002] In the field of mining, tunnel construction and underground engineering, underground operation environment often faces complex and variable challenges, and its good ventilation system is an important infrastructure to ensure underground operation safety, improve production efficiency and maintain workers' health.

[0003] Currently in the existing underground ventilation equipment, such as authorized announcement No. CN220769521U, the utility model discloses a kind of underground ventilation device, it is related to ventilation equipment technical field, including device main body and installation mechanism being set in the outer wall of device main body, the installation mechanism includes clamping assembly;The clamping assembly includes clamping column, positioning block and clamping groove.

[0004] But the device is found in use, the air into the well is not cooled and cooled, which reduces the comfort effect of personnel in the well operation, and reduces the convenience of use. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides an underground ventilation device which can conveniently deliver low-temperature air to the underground, improve the comfort of personnel in the underground operation, improve the cleaning effect of air and improve the convenience of use.

[0006] The utility model discloses a kind of underground ventilation devices, including air pipe and fan, fan is communicated and is arranged on the input end of air pipe;It further includes cooling device, filtering device, adjusting device, first box, two groups of second box and multiple groups of first heat exchange pipe, first box is communicated with cooling device, cooling device is used to circulate and deliver cooling water in first box, two groups of second box are all installed on the inner side wall of first box, the two ends of multiple groups of first heat exchange pipe are communicated with two groups of second box respectively, left second box is communicated with fan input end, right second box is communicated with filtering device, filtering device is used to filter and handle air, adjusting device is communicated and is arranged on the output end of air pipe, adjusting device is used to adjust the exhaust direction of air pipe;By opening fan, make fan extract outdoor air through two groups of second box and multiple groups of first heat exchange pipe, extracted air is delivered to underground by air pipe, when needing to cool and cool air, by circulating and delivering cooling water in cooling device in first box, make cooling water cool and cool multiple groups of first heat exchange pipe, when air flows in multiple groups of first heat exchange pipe, by the heat conduction of multiple groups of first heat exchange pipe, the air inside is cooled, so that low-temperature air enters underground, improve the comfort of personnel in underground operation, by filtering device, the air entering underground is filtered, improve the cleaning effect of air, by adjusting device, the exhaust direction of air pipe output end is adjusted, to improve the use convenience of device.

[0007] Preferably, the cooling device includes a third box, a pump body, a bracket, two groups of fourth boxes, multiple groups of second heat exchange pipes, a fan and a return pipe, the first box is installed on the outer side wall of the third box, the pump body input end is communicated with the third box, the two groups of fourth boxes are both installed on the outer side wall of the bracket, the upper and lower ends of the multiple groups of second heat exchange pipes are respectively communicated with the two groups of fourth boxes, the pump body output end is communicated with the lower fourth box, the upper fourth box is communicated with the first box, the fan is installed on the outer side wall of the bracket, the top end of the return pipe is communicated with the first box, and the bottom end of the return pipe is communicated with the third box; cooling water is placed in the third box, when air needs to be cooled, the cooling water is extracted by the pump body, the extracted cooling water is delivered to the first box through the two groups of fourth boxes and the multiple groups of second heat exchange pipes, so that the cooling water cools the multiple groups of first heat exchange pipes, improves the convenience of air cooling, and then the cooling water in the first box is returned to the third box through the return pipe, the fan blows air to the multiple groups of second heat exchange pipes, so that the multiple groups of second heat exchange pipes are cooled, thereby improving the cooling effect of the cooling water by the multiple groups of second heat exchange pipes and improving the air cooling effect.

[0008] Preferably, the filtering device includes an air inlet cover, a filter screen and a protective screen, the air inlet cover is communicated with the right second box, the filter screen is arranged inside the air inlet cover, and the protective screen is installed at the right end opening of the air inlet cover;The air entering underground is filtered through the filter screen, thereby reducing the dust and dirt outside entering underground, improving the cleaning effect of air, and the protective effect of the air inlet cover opening is improved by setting the protective screen.

[0009] Preferably, the adjusting device comprises a bellows and an exhaust hood, the bellows is arranged on the output end of the air pipe in communication, and the exhaust hood is in communication with the bellows; the flexibility of the exhaust hood towards adjustment is improved by bending the bellows, and the convenience of adjusting the air exhaust direction of the air pipe is improved.

[0010] Preferably, the device further comprises a base and a ground foot, the base is installed at the bottom end of the exhaust hood, and the ground foot is installed at the bottom end of the base; the base supports and fixes the exhaust hood by inserting the ground foot into the soil.

[0011] Preferably, the device further comprises a plurality of fins, and the plurality of fins are arranged on the outer walls of the plurality of second heat exchange pipes respectively; the heat exchange effect of the plurality of second heat exchange pipes is improved by arranging the plurality of fins, and the cooling effect of the plurality of second heat exchange pipes on the cooling water is improved.

[0012] Compared with the prior art, the device has the following beneficial effects: the fan is started to draw outdoor air through the two second boxes and the plurality of first heat exchange pipes, the drawn air is transported to the underground through the air pipe, when the air needs to be cooled and cooled, the cooling water in the cooling device is circulated and transported in the first box, the cooling water cools and cools the plurality of first heat exchange pipes, when the air flows through the plurality of first heat exchange pipes, the plurality of first heat exchange pipes are cooled and cooled, so that the low-temperature air enters the underground, the comfort of the personnel working in the underground is improved, the air entering the underground is filtered through the filtering device, the cleanliness of the air is improved, and the air exhaust direction of the air pipe output end is adjusted through the adjusting device, so that the use convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the axonometric structure schematic diagram of the utility model;

[0014] Figure 2 is the axonometric structure schematic diagram of the air pipe and the bellows connection;

[0015] Figure 3 is the axonometric local structure schematic diagram of the bellows and the exhaust hood connection;

[0016] Figure 4 is the axonometric structure schematic diagram of the air pipe and the fan connection;

[0017] Figure 5 is the axonometric local structure schematic diagram of the air inlet hood and the protective net connection.

[0018] Markings in the accompanying drawings: 1. air duct; 2. fan; 3. first box body; 4. second box body; 5. first heat exchange tube; 6. third box body; 7. pump body; 8. bracket; 9. fourth box body; 10. second heat exchange tube; 11. fan; 12. air intake hood; 13. filter; 14. protective net; 15. bellows; 16. exhaust hood; 17. base; 18. anchor; 19. fin; 20. return pipe. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0020] Example 1

[0021] like Figures 1 to 5 As shown, an underground ventilation device of the present invention includes an air duct 1 and a fan 2, which is connected and arranged on the input end of the air duct 1; it also includes a cooling device, a filtering device, an adjusting device, a first box 3, two groups of second boxes 4 and multiple groups of first heat exchange tubes 5, the first box 3 is connected with the cooling device, the cooling device is used to circulate cooling water in the first box 3, the two groups of second boxes 4 are installed on the inner wall of the first box 3, the two ends of the multiple groups of first heat exchange tubes 5 are respectively connected with the two groups of second boxes 4, the left second box 4 is connected with the input end of the fan 2, and the right second box 4 is connected with the filtering device, the filtering device is used to filter the air, the adjusting device is connected and arranged on the output end of the air duct 1, and the adjusting device is used to adjust the exhaust direction of the air duct 1;

[0022] like Figure 3 As shown, the cooling device includes a third box 6, a pump body 7, a bracket 8, two groups of fourth boxes 9, multiple groups of second heat exchange tubes 10, a fan 11 and a return pipe 20, the first box 3 is installed on the outer wall of the third box 6, the input end of the pump body 7 is connected to the third box 6, the two groups of fourth boxes 9 are installed on the outer wall of the bracket 8, the upper and lower ends of the multiple groups of second heat exchange tubes 10 are respectively connected to the two groups of fourth boxes 9, the output end of the pump body 7 is connected to the lower fourth box 9, the upper fourth box 9 is connected to the first box 3, the fan 11 is installed on the outer wall of the bracket 8, the top of the return pipe 20 is connected to the first box 3, and the bottom end of the return pipe 20 is connected to the third box 6;

[0023] In this embodiment, by turning on the fan 2, the fan 2 draws outdoor air through two groups of second boxes 4 and multiple groups of first heat exchange tubes 5, and the drawn air is transported to the well through the air duct 1. When the air needs to be cooled, the cooling water in the cooling device is circulated in the first box 3, so that the cooling water cools the multiple groups of first heat exchange tubes 5. When the air flows through the multiple groups of first heat exchange tubes 5, the internal air is cooled by heat conduction of the multiple groups of first heat exchange tubes 5, so that the low-temperature air enters the well, which improves the comfort of personnel working underground. The air entering the well is filtered by the filtering device to improve the air purification effect. The exhaust direction of the output end of the air duct 1 is adjusted by the adjusting device, thereby improving the convenience of use of the device.

[0024] Example 2

[0025] On the basis of Example 1, Figure 5 As shown, the utility model is an underground ventilation device, the filtering device includes an air intake cover 12, a filter screen 13 and a protective screen 14, the air intake cover 12 is connected to the right second box 4, the filter screen 13 is arranged inside the air intake cover 12, and the protective screen 14 is installed at the right end opening of the air intake cover 12;

[0026] like Figure 4 As shown, the regulating device includes a bellows 15 and an exhaust hood 16. The bellows 15 is connected and arranged on the output end of the air duct 1, and the exhaust hood 16 is connected to the bellows 15.

[0027] like Figure 4 As shown, it also includes a base 17 and a foot 18, the base 17 is installed at the bottom end of the exhaust cover 16, and the foot 18 is installed at the bottom end of the base 17;

[0028] like Figure 3 As shown, it also includes multiple groups of fins 19, which are respectively arranged on the outer side walls of the multiple groups of second heat exchange tubes 10;

[0029] In this embodiment, cooling water is placed inside the third box body 6. When the air needs to be cooled, the cooling water is extracted by the pump body 7. The extracted cooling water is transported to the inside of the first box body 3 through two groups of fourth boxes 9 and multiple groups of second heat exchange tubes 10, so that the cooling water cools the multiple groups of first heat exchange tubes 5, thereby improving the convenience of air cooling. After that, the cooling water in the first box body 3 flows back to the third box body 6 through the return pipe 20, and the multiple groups of second heat exchange tubes 10 are blown by the fan 11 to cool the multiple groups of second heat exchange tubes 10, thereby improving the cooling effect of the cooling water by the multiple groups of second heat exchange tubes 10 and improving the cooling effect of the air. The air entering the well is filtered through the filter net 13, thereby reducing the dust and dirt outside from entering the well and improving the air cleanliness effect. By setting the protective net 14, the protective effect at the opening of the air intake hood 12 is improved.

[0030] The utility model discloses a kind of underground ventilation devices, when working, by fan 2 is opened, make fan 2 through two groups of second box body 4 and multiple groups of first heat exchange tube 5 extract the air outside, the air extracted is transported to underground by air pipe 1, when needing to cool and cool air, by the cooling water in cooling device is circulated and transported in first box body 3, make cooling water multiple groups of first heat exchange tube 5 cooling and cooling, when air flows in multiple groups of first heat exchange tube 5, by the heat conduction of multiple groups of first heat exchange tube 5, the air inside is cooled, to make low-temperature air enter underground.

[0031] The fan 2, the pump body 7 and the fan 11 of the underground ventilation device of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0032] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A downhole ventilation device comprising a duct (1) and a fan (2) which is arranged in communication with the input end of the duct (1); characterized in that, The cooling device, the filtering device, the adjusting device, the first box (3), the two groups of second boxes (4) and the multiple groups of first heat exchange pipes (5) are further included.The first box (3) is communicated with the cooling device, the cooling device is used for circulating and conveying the cooling water in the first box (3), the two groups of second boxes (4) are both installed on the inner side wall of the first box (3), the two ends of the multiple groups of first heat exchange pipes (5) are communicated with the two groups of second boxes (4) respectively, the left second box (4) is communicated with the input end of the fan (2), the right second box (4) is communicated with the filtering device, the filtering device is used for filtering and treating the air, and the adjusting device is arranged on the output end of the air pipe (1).

2. A downhole ventilation device as claimed in claim 1, characterised in that The cooling device, the filtering device, the adjusting device, the first box (3), the two groups of second boxes (4) and the multiple groups of first heat exchange pipes (5) are further included.The first box (3) is communicated with the cooling device, the cooling device is used for circulating and conveying the cooling water in the first box (3), the two groups of second boxes (4) are both installed on the inner side wall of the first box (3), the two ends of the multiple groups of first heat exchange pipes (5) are communicated with the two groups of second boxes (4) respectively, the left second box (4) is communicated with the input end of the fan (2), the right second box (4) is communicated with the filtering device, the filtering device is used for filtering and treating the air, and the adjusting device is arranged on the output end of the air pipe (1).

3. A downhole ventilation device as defined in claim 1, wherein, The filtering device includes the air inlet cover (12), the filter screen (13) and the protective screen (14), the air inlet cover (12) is communicated with the right second box (4), the filter screen (13) is arranged in the air inlet cover (12), and the protective screen (14) is installed at the opening of the right end of the air inlet cover (12).

4. A downhole ventilation device as defined in claim 1, wherein, The adjusting device includes the bellows (15) and the exhaust cover (16), the bellows (15) is arranged on the output end of the air pipe (1), and the exhaust cover (16) is communicated with the bellows (15).

5. A downhole ventilation device as claimed in claim 4, characterised in that The base (17) and the foot (18) are further included, the base (17) is installed at the bottom end of the exhaust cover (16), and the foot (18) is installed at the bottom end of the base (17).

6. A downhole ventilation device as defined in claim 2, wherein, The multiple groups of fins (19) are further included, and the multiple groups of fins (19) are arranged on the outer side walls of the multiple groups of second heat exchange pipes (10) respectively.

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