Warm air box used in mine

By designing a detachable bellows for use inside the mine, the problems of inconvenient installation and disassembly, low heating efficiency and difficulty in repairing when used inside the mine are solved, and more efficient heating, ventilation and air purification are achieved, improving the underground working environment and work efficiency.

CN222650027UActive Publication Date: 2025-03-21HEFEI DESIGN & RES INST LLC OF COAL IND
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Patent Information

Application Number
CN202421564160.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-03-21
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

When used inside the mine, the existing bellows are inconvenient to install and disassemble, the air heating efficiency is low, the impurities are not filtered in time, and the maintenance is difficult, resulting in a cold underground environment, posing safety hazards and low working efficiency.

Method used

A blower heater for the mine interior is designed, adopting a detachable structure, including pulleys, support feet, rock wool boards, electric heating pipes and ventilation ducts. It is easy to move and fix through pulleys and support feet. Rock wool boards and electric heating pipes improve insulation and heating efficiency, filters and fans ensure air quality, and ventilation ducts and second fans improve underground ventilation.

Benefits of technology

It realizes convenient installation, disassembly and repair of the air heater, improves the air heating efficiency and air quality, improves the underground working environment, improves the working efficiency and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222650027U_ABST
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Abstract

The utility model discloses a warm air box used in a mine, and relates to the technical field of warm air boxes, the warm air box comprises a base, the upper surface of the base is provided with a warm air box, the inner wall of the warm air box is provided with a sliding groove, the inner side of the sliding groove is provided with a rock wool board, a pressing plate is arranged above the warm air box, a top cover is arranged above the pressing plate, and the top cover is provided with an air outlet. A vertical column is arranged between the top cover and the warm air box, a transverse rod is arranged on the inner side of the clamping groove, a plurality of sets of electric heating pipes are arranged below the transverse rod, a bottom plate is arranged below the warm air box, and an air inlet box is arranged at the bottom of the bottom plate. According to the warm air box used in the mine, air is conveyed into the warm air box through the arranged first draught fan, impurities in the air are filtered out through the arranged filter screen, the air is heated through the arranged electric heating pipe, and the air is heated through the electric heating pipe; and the heated air is conveyed into the mine for ventilation through a second fan and a ventilation pipeline.
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Description

Technical Field

[0001] The utility model relates to the technical field of warm air boxes, in particular to a warm air box used in a mine. Background Art

[0002] At present, in the early stage of the mine construction project, the negative pressure ventilation system of the mine has not been formed, and the ventilators installed on the ground have not supplied air underground. Due to the low temperature in winter, the cold underground has been aggravated after the air supply. The wind and water belts and pneumatic tools on the underground working face are often frozen, which not only poses a great safety hazard, but also the employees have poor working conditions and low work efficiency in the cold environment.

[0003] When installing and using the existing warm air box, it is not convenient for workers to install and disassemble the equipment, and it cannot filter impurities in the air in time. The heating efficiency is low, resulting in a low air temperature in cold weather, affecting the normal work of employees. At the same time, it is not convenient for workers to repair and maintain the heating device, which has brought certain adverse effects on people's use process. In order to solve the shortcomings of the existing technology, we propose a warm air box for use inside mines. Utility Model Content

[0004] The main purpose of the utility model is to provide a warm air box used inside a mine, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A warm air box for use inside a mine, comprising a base, a pulley is provided at the bottom of the base, a supporting foot is provided on the side of the base, a warm air box is provided on the upper surface of the base, a slide groove is provided on the inner wall of the warm air box, a rock wool board is provided on the inner side of the slide groove, a pressure plate is provided above the warm air box, a fixing pin is provided between the pressure plate and the warm air box, a top cover is provided above the pressure plate, a column is provided between the top cover and the warm air box, a card slot is provided on the inner wall of the pressure plate, a cross bar is provided on the inner side of the card slot, there are two groups of cross bars, a plurality of groups of electric heating tubes are provided below the cross bar, connecting nuts are provided between the electric heating tubes and the cross bar, a bottom plate is provided below the warm air box, and an air inlet box is provided at the bottom of the bottom plate.

[0007] Preferably, a connecting block is provided between the air inlet box and the base plate, a first fan is provided inside the air inlet box, a plurality of groups of filters are provided on the side of the air inlet box, a fixed bracket is provided on the upper surface of the base, a ventilation duct is provided on the inner side of the fixed bracket, a fixed ring is provided between the ventilation duct and the fixed bracket, a plurality of groups of second fans are provided on the side of the fixed bracket, a protective pad is provided on the inner side of the fixed ring, a connecting flange is provided between the ventilation duct and the heater box, and air outlets and air intakes are provided at both ends of the ventilation duct.

[0008] Preferably, the pulley and the supporting foot are detachably connected to the base, the rock wool board is detachably connected to the warm air box via a set slide groove and a pressure plate, and the pressure plate is detachably connected to the warm air box via a set fixing pin.

[0009] Preferably, the top cover is detachably connected to the pressure plate via a set column, the cross bar is detachably connected to the pressure plate via a set slot and a fixing pin, and the electric heating tube is detachably connected to the cross bar via a set connecting nut.

[0010] Preferably, the air inlet box is detachably connected to the base plate via a connecting block, the first fan is detachably connected to the air inlet box, and the filter is detachably connected to the air inlet box.

[0011] Preferably, the ventilation duct is detachably connected to the fixed bracket via a set fixing ring, the protective pad is detachably connected to the fixing ring, the second fan is detachably connected to the ventilation duct, and the ventilation duct is detachably connected to the heater box via a set connecting flange.

[0012] Beneficial Effects

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, the provided pulley facilitates the staff to move the equipment, the provided supporting feet facilitate the staff to fix the equipment, the provided first fan delivers air to the interior of the warm air box, the provided filter screen filters impurities in the air, the provided connecting block facilitates the staff to install and disassemble the air inlet box, and facilitates later maintenance, the provided electric heating pipe heats the air, the provided top cover prevents the equipment from being exposed to wind and rain for a long time, which may cause corrosion and rust of the electric heating pipe, the provided rock wool board seals and insulates the warm air box, and the provided pressure plate and slide groove facilitate the staff to install and disassemble the rock wool board.

[0015] 2. In the utility model, the ventilation duct is fixedly supported by a fixed bracket, the ventilation duct is fixed by a fixed ring, the surface of the ventilation duct is protected by a protective pad to prevent it from being pinched, the ventilation duct is connected to the warm air box by a connecting flange, and the heated hot air is transported to the interior of the mine for ventilation through the second fan and the ventilation duct, which improves the working environment underground and greatly improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the air inlet device of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the heating device of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the ventilation device of the utility model.

[0021] In the figure: 1. base; 2. pulley; 3. supporting foot; 4. heating box; 5. slide; 6. rock wool board; 7. column; 8. top cover; 9. pressure plate; 10. fixing pin; 11. slot; 12. cross bar; 13. electric heating pipe; 14. connecting nut; 15. air inlet box; 16. connecting block; 17. first fan; 18. filter; 19. bottom plate; 20. fixing bracket; 21. ventilation duct; 22. second fan; 23. fixing ring; 24. air outlet; 25. protective pad; 26. connecting flange; 27. air intake. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-Figure 5As shown, a warm air box for use inside a mine comprises a base 1, a pulley 2 is arranged at the bottom of the base 1, a supporting foot 3 is arranged on the side of the base 1, the pulley 2 is arranged to facilitate the staff to move the equipment, the supporting foot 3 is arranged to fix the equipment, a warm air box 4 is arranged on the upper surface of the base 1, a slide 5 is arranged on the inner wall of the warm air box 4, a rock wool board 6 is arranged on the inner side of the slide 5, a pressing plate 9 is arranged above the warm air box 4, the warm air box 4 is sealed and insulated by the rock wool board 6, and the pressing plate 9 and the slide 5 are arranged to facilitate the staff to install and remove the rock wool board 6 A top cover 8 is provided above the pressing plate 9, and the heating box 4 is protected by the top cover 8 to prevent rainwater from entering the interior of the equipment. A card slot 11 is provided on the inner wall of the pressing plate 9, and a cross bar 12 is provided on the inner side of the card slot 11. A plurality of groups of electric heating tubes 13 are provided below the cross bar 12, and a connecting nut 14 is provided between the electric heating tube 13 and the cross bar 12. The connecting nut 14 is provided to facilitate the installation and disassembly of the electric heating tube 13 by the staff, so as to facilitate the maintenance and replacement thereof in the later stage. A bottom plate 19 is provided at the bottom of the heating box 4, and an air inlet box 15 is provided below the bottom plate 19. 5 is provided with a first fan 17 inside, a filter screen 18 is provided on the side of the air inlet box 15, air is transported to the inside of the warm air box 4 through the provided first fan 17, impurities in the air are filtered through the provided filter screen 18, and the air is heated by the provided electric heating tube 13, a fixed bracket 20 is provided above the base 1, a ventilation duct 21 is provided on the inner side of the fixed bracket 20, a fixed collar 23 is provided on the outer side of the ventilation duct 21, a protective pad 25 is provided inside the fixed collar 23, the ventilation duct 21 is fixedly supported by the provided fixed collar 23, and the ventilation duct 21 is fixedly supported by the provided fixed collar 23, and the ventilation duct 21 is fixedly supported by the provided fixed collar 23. The protective pad 25 protects the surface of the ventilation duct 21 to prevent it from being pinched. A connecting flange 26 is arranged between the ventilation duct 21 and the warm air box 4. An air outlet 24 and an air intake 27 are arranged at both ends of the ventilation duct 21. A second fan 22 is arranged on the side of the ventilation duct 21. The ventilation duct 21 is connected to the warm air box 4 through the arranged connecting flange 26, which is convenient for the staff to install and disassemble the equipment. The heated air is transported to the interior of the mine for ventilation through the arranged second fan 22 and the ventilation duct 21, which improves the working environment underground and greatly improves the work efficiency.

[0024] How it works

[0025] It should be noted that the utility model is a warm air box used inside a mine. When in use, the pulley 2 is provided to facilitate the staff to move the equipment, the supporting feet 3 are provided to fix the equipment, the rock wool board 6 is provided to seal and insulate the warm air box 4, the pressing plate 9 and the slide 5 are provided to facilitate the staff to install and disassemble the rock wool board 6, the top cover 8 is provided to protect the warm air box 4 to prevent rainwater from entering the interior of the equipment, the connecting nut 14 is provided to facilitate the staff to install and disassemble the electric heating pipe 13, and it is convenient to repair and replace it later, the first fan 17 is provided to transport air to the interior of the warm air box 4, and the impurities in the air are filtered out by the filter 18. The air is filtered, the electric heating tube 13 is used to heat the air, the fixed collar 23 is used to fix and support the ventilation duct 21, the protective pad 25 is used to protect the surface of the ventilation duct 21 to prevent it from being pinched, the ventilation duct 21 is connected to the warm air box 4 through the connecting flange 26, which is convenient for the staff to install and disassemble the equipment, and the heated air is transported to the inside of the mine for ventilation through the second fan 22 and the ventilation duct 21, which improves the working environment underground, greatly improves the work efficiency, solves the problems of freezing of the wind and water belt and normal use of pneumatic tools, ensures the normal excavation of the underground working face, and greatly improves the work efficiency. The underground temperature has increased by about 10°C compared with before, saving the time of replacing the wind and water belt and repairing the pneumatic tools, reducing the workload of the maintenance personnel in the team, and improving the excavation work efficiency.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A warm air box for use inside a mine, comprising a base (1), characterized in that: The bottom of the base (1) is provided with a pulley (2), the side of the base (1) is provided with a supporting foot (3), the upper surface of the base (1) is provided with a warm air box (4), the inner wall of the warm air box (4) is provided with a slide groove (5), the inner side of the slide groove (5) is provided with a rock wool board (6), a pressing plate (9) is provided above the warm air box (4), a fixing pin (10) is provided between the pressing plate (9) and the warm air box (4), a top cover (8) is provided above the pressing plate (9), and the top cover (8) A column (7) is arranged between the pressure plate (9) and the warm air box (4), a slot (11) is arranged on the inner wall of the pressure plate (9), a cross bar (12) is arranged on the inner side of the slot (11), there are two groups of the cross bars (12), a plurality of groups of electric heating tubes (13) are arranged below the cross bars (12), connecting nuts (14) are arranged between the electric heating tubes (13) and the cross bars (12), a bottom plate (19) is arranged below the warm air box (4), and an air inlet box (15) is arranged at the bottom of the bottom plate (19).

2. A warm air box for use inside a mine according to claim 1, characterized in that: A connecting block (16) is provided between the air inlet box (15) and the bottom plate (19), a first fan (17) is provided inside the air inlet box (15), a plurality of filter screens (18) are provided on the side of the air inlet box (15), a fixing bracket (20) is provided on the upper surface of the base (1), a ventilation duct (21) is provided on the inner side of the fixing bracket (20), a fixing ring (23) is provided between the ventilation duct (21) and the fixing bracket (20), a plurality of second fans (22) are provided on the side of the fixing bracket (20), a protective pad (25) is provided on the inner side of the fixing ring (23), a connecting flange (26) is provided between the ventilation duct (21) and the warm air box (4), and an air outlet (24) and an air intake (27) are provided at both ends of the ventilation duct (21).

3. A warm air box for use inside a mine according to claim 1, characterized in that: The pulley (2) and the supporting foot (3) are detachably connected to the base (1); the rock wool board (6) is detachably connected to the warm air box (4) via a provided slide groove (5) and a pressure plate (9); and the pressure plate (9) is detachably connected to the warm air box (4) via a provided fixing pin (10).

4. A warm air box for use inside a mine according to claim 1, characterized in that: The top cover (8) is detachably connected to the pressing plate (9) via a provided upright column (7), the cross bar (12) is detachably connected to the pressing plate (9) via a provided clamping slot (11) and a fixing pin (10), and the electric heating tube (13) is detachably connected to the cross bar (12) via a provided connecting nut (14).

5. A warm air box for use inside a mine according to claim 2, characterized in that: The air inlet box (15) is detachably connected to the bottom plate (19) via a connection block (16), the first fan (17) is detachably connected to the air inlet box (15), and the filter (18) is detachably connected to the air inlet box (15).

6. A warm air box for use inside a mine according to claim 2, characterized in that: The ventilation duct (21) is detachably connected to the fixed bracket (20) via a fixed collar (23), the protective pad (25) is detachably connected to the fixed collar (23), the second fan (22) is detachably connected to the ventilation duct (21), and the ventilation duct (21) is detachably connected to the heater box (4) via a connecting flange (26).