Ventilation equipment for tunnel construction

Abstract

Tunnel construction ventilation equipment relates to the technical field of tunnel construction auxiliary equipment and comprises a shell, a storage groove is formed in the front side of the interior of the shell, a temperature and humidity adjusting box is installed in the storage groove, the temperature and humidity adjusting box and the storage groove are limited in a sliding mode, and a first heat exchanger is installed in the middle of the interior of the temperature and humidity adjusting box; the first heat exchanger is arranged in the shell and used for adjusting the temperature of passing air, an atomizing and humidifying mechanism is arranged at the rear end of the first heat exchanger, four air channels communicating with the containing groove are formed in the upper end of the back of the shell, fans are installed in the air channels, and fixing frames are installed on the two sides of the shell. According to the scheme, the problem that ventilation equipment cannot adjust the ventilation quality according to tunnel stage requirements is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel construction auxiliary equipment technical field, concretely is a tunnel construction ventilation equipment. BACKGROUND

[0002] Tunnel construction ventilation equipment is the important facility of guaranteeing tunnel construction safety and personnel health, mainly includes axial flow fan, jet fan, roots blower and intelligent ventilation system etc. types, wherein axial flow fan has the characteristics of large flow, low wind pressure, is suitable for long distance air supply, jet fan usually hangs in the tunnel top, relies on high speed airflow to push air flow, roots blower utilizes double rotor to compress gas, simple structure is suitable for low pressure environment, and intelligent ventilation system can be combined sensor and control system and automatically adjusts the air volume according to real -time monitoring data, these ventilation equipment transports fresh air to the tunnel, discharges harmful gas such as carbon monoxide produced by blasting and the dust produced by drilling, blasting etc. operation to reduce harmful material concentration, ensure that there is sufficient oxygen in the tunnel, create safe, comfortable working environment for construction personnel, and are widely used in various tunnel construction scenes such as traffic tunnel, mine roadway, subway engineering etc.

[0003] For example, the Chinese authorized patent "a ventilation equipment convenient to adjust for tunnel construction" with the announcement number CN110985413B includes a bearing plate, the upper end of the bearing plate is detachably connected with a sleeve, four first notches are arranged on a circumferential side wall in the sleeve at equal intervals, four first moving plates are installed in the four first notches, and two fixing frames are fixed between the four first moving plates. One side of one of the two fixing frames is provided with a power mechanism. By adopting the mechanical structure, the use of electrical elements is reduced, the possibility that the equipment cannot normally operate due to damage of electrical elements is reduced, and the whole body can be more firm and reliable.

[0004] Although the above-mentioned prior art can realize ventilation inside the tunnel, the exhaust capacity is required to be high and smooth due to the influence of tunnel excavation progress, and fresh air needs to be injected into the tunnel interior in some stages, so as to improve the tunnel interior environment. The prior art cannot play a good effect under different working conditions due to poor flexibility, so it does not meet the existing demand, and therefore we propose a tunnel construction ventilation equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a tunnel construction ventilation equipment to solve the problem that the ventilation equipment cannot adjust the ventilation quality according to the tunnel stage demand in the above-mentioned background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a tunnel construction ventilation equipment, including the shell, the front side of the shell inside is provided with the accommodation groove, the inside installation of accommodation groove has the temperature and humidity regulation box, and temperature and humidity regulation box and accommodation groove slide limit, the inside installation of temperature and humidity regulation box is equipped with first heat exchanger at the middle position, is used for the temperature adjustment of the air of passing, the rear end of first heat exchanger is provided with atomization humidification mechanism, the upper end of the back of shell is provided with four with the air duct of accommodation groove intercommunication, the inside installation of air duct has the fan, the both sides of shell are installed with the fixed frame, and the position of temperature and humidity regulation box in the inside of accommodation groove is adjusted.

[0007] Preferably, the top end of the temperature and humidity regulation box is provided with a temperature adjustment box, the second heat exchanger is fixedly installed in the inside of the temperature adjustment box, the small compressor is installed on one side of the second heat exchanger, and the first heat exchanger, the second heat exchanger and the small compressor are connected through the medium pipeline.

[0008] Preferably, the upper end of the temperature adjustment box is provided with a corrugated hose connected thereto, and the heat generated by the second heat exchanger is discharged outside the tunnel by extending the corrugated hose.

[0009] Preferably, the lower end of the temperature and humidity regulation box is provided with a bottom box, the inside of the bottom box is provided with a water tank, the water tank is provided with a pump on one side, the atomization humidification mechanism comprises a water supply pipe, the water supply pipe is located on one side of the rear end of the inside of the temperature and humidity regulation box, and the water supply pipe is connected with the pump through a connecting pipe, two water distribution pipes are installed on one side of the water supply pipe, and a plurality of atomizing nozzles are arranged at equal intervals on one end of the water distribution pipe.

[0010] Preferably, the top end of the fixed frame is fixedly provided with a servo motor, the inside of the fixed frame is rotatably provided with a threaded rod, the output shaft of the servo motor is connected with the threaded rod, the outside of the threaded rod is provided with a sliding block, and one side of the sliding block is fixedly connected with the temperature and humidity regulation box.

[0011] Preferably, the lower end of the front end of the shell is symmetrically provided with a hinged access door.

[0012] Preferably, a notch is formed in the top end of the shell.

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

[0014] 1. The utility model can according to the construction phase of tunnel, select the exhaust of push-in type and pull-out type, when discharging the pollutants such as harmful gas, dust in tunnel, the temperature and humidity adjusting box is located at the bottom of the storage groove, at this time, after the opening of multiple air blower, the air in the tunnel can be quickly discharged outside through the air duct, effectively control the diffusion of the polluted air in the tunnel, reduce the pollution to other areas in the tunnel, when the fresh air is pushed into the tunnel, by opening the servo motor, its output shaft drives the threaded rod to rotate, under the friction cooperation with the sliding block, convert the rotary motion into linear motion, thereby drive the temperature and humidity adjusting box through the sliding block, make the temperature and humidity adjusting box be located at the air inlet of the air duct, can quickly provide fresh air for the tunnel face, guarantee the air quality of the working face.

[0015] 2. The utility model can adjust the temperature of air under the exhaust of push-in type, when refrigeration, refrigerant first becomes high pressure gas through small -size compressor, passes through second heat exchanger condensation heat release becomes high pressure liquid, high pressure liquid passes through throttling device becomes low temperature low pressure liquid, then passes through first heat exchanger evaporation heat absorption becomes low temperature low pressure gas, carries out heat absorption to the air at the air duct air inlet, subsequently under the negative pressure effect of fan, cold air is transported to the tunnel interior through the air duct;When heating, change the flow direction of refrigerant through four -way valve, refrigerant first becomes high pressure gas through compressor, then passes through first heat exchanger condensation heat release becomes high pressure liquid, carries out heating to the air at the air duct air inlet, thereby provides good working environment for staff.

[0016] 3. The utility model under the exhaust of push-in type, to avoid the air in the tunnel too dry, by opening the pump, the water in the water tank is injected into the water delivery pipe through the connecting pipe, enters the water distribution pipe through the water delivery pipe, and finally is sprayed from the atomizing nozzle, can humidify the passing air, after humidifying the air, the water mist can absorb the dust in the air, so that it settles, effectively reduce the dust concentration, improve the air quality in the tunnel, reduce the threat of dust to the health of construction personnel, also reduce the risk of safety accidents caused by dust problems. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the perspective drawing of the utility model;

[0018] Figure 2 It is another perspective drawing of the utility model;

[0019] Figure 3 It is the perspective drawing of the temperature and humidity adjusting box of the utility model;

[0020] Figure 4 It is the internal structure schematic drawing of the utility model.

[0021] In the figure: 1, the shell; 2, temperature and humidity regulating box; 3, first heat exchanger; 4, temperature regulating box; 5, corrugated hose; 6, storage groove; 7, fixed frame; 8, servo motor; 9, air duct; 10, fan; 11, bottom box; 12, water delivery pipe; 13, water distribution pipe; 14, atomizing nozzle; 15, water tank; 16, pump; 17, threaded rod; 18, sliding block; 19, second heat exchanger; 20, small compressor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4 An embodiment provided by the utility model: a tunnel construction ventilation equipment, including shell 1, the front side of shell 1 inside is provided with storage groove 6, temperature and humidity regulating box 2 is installed in the inside of storage groove 6, and temperature and humidity regulating box 2 is slidingly limited with storage groove 6, first heat exchanger 3 is installed at the middle position in the inside of temperature and humidity regulating box 2, for the temperature regulation of passing air, the upper end of the back of shell 1 is provided with four air ducts 9 connected with storage groove 6, fan 10 is installed in the inside of air duct 9, fixed frame 7 is installed on the both sides of shell 1, the position of temperature and humidity regulating box 2 in storage groove 6 is adjusted, hinged access door is symmetrically installed below the front end of shell 1, servo motor 8 is fixedly installed at the top end of fixed frame 7, threaded rod 17 is rotatably installed in the inside of fixed frame 7, and the output shaft of servo motor 8 is connected with threaded rod 17, sliding block 18 is installed on the outside of threaded rod 17, and one side of sliding block 18 is fixed with temperature and humidity regulating box 2;

[0024] When the harmful gas, dust and other pollutants in the tunnel are discharged, temperature and humidity regulating box 2 is located at the bottom of storage groove 6, at this time, after multiple fans 10 are started, the air in the tunnel can be quickly discharged outside through air duct 9, effectively controlling the diffusion of polluted air in the tunnel and reducing the pollution to other areas in the tunnel, when fresh air is forced into the tunnel, by starting servo motor 8, the output shaft drives threaded rod 17 to rotate, under the friction cooperation with sliding block 18, the rotary motion is converted into linear motion, so that temperature and humidity regulating box 2 is driven by sliding block 18, so that temperature and humidity regulating box 2 is located at the air inlet of air duct 9, which can quickly provide fresh air for the tunnel excavation face and ensure the air quality of the working face.

[0025] Please refer to Figure 1 、 Figure 3 and Figure 4The top end of the temperature and humidity adjusting box 2 is provided with a temperature adjusting box 4, the inside of the temperature adjusting box 4 is fixedly provided with a second heat exchanger 19, one side of the second heat exchanger 19 is provided with a small compressor 20, and the first heat exchanger 3, the second heat exchanger 19 and the small compressor 20 are connected through medium pipelines; the top end of the shell 1 is provided with a notch, the upper end of the temperature adjusting box 4 is provided with a corrugated hose 5 connected with the temperature adjusting box 4, and the heat generated by the second heat exchanger 19 is discharged outside the tunnel through the extension of the corrugated hose 5.

[0026] When refrigerating, the refrigerant first becomes high-pressure gas through the small compressor 20, is condensed and releases heat to become high-pressure liquid through the second heat exchanger 19, becomes low-temperature and low-pressure liquid through the throttling device, and then evaporates and absorbs heat to become low-temperature and low-pressure gas through the first heat exchanger 3, so that the air at the air inlet of the air duct 9 is heated, and then the cold air is delivered to the inside of the tunnel through the air duct 9 under the negative pressure of the fan 10; when heating, the flow direction of the refrigerant is changed through the four-way valve, the refrigerant first becomes high-pressure gas through the small compressor 20, and then is condensed and releases heat to become high-pressure liquid through the first heat exchanger 3, so that the air at the air inlet of the air duct 9 is heated, thereby providing a good working environment for the workers.

[0027] Please refer to Figure 3 and Figure 4 The rear end of the first heat exchanger 3 is provided with an atomizing humidifying mechanism, the lower end of the temperature and humidity adjusting box 2 is provided with a bottom box 11, the inside of the bottom box 11 is provided with a water tank 15, one side of the water tank 15 is provided with a pump 16, the atomizing humidifying mechanism comprises a water conveying pipe 12, the water conveying pipe 12 is located at one side of the rear end of the inside of the temperature and humidity adjusting box 2, the water conveying pipe 12 is connected with the pump 16 through a connecting pipe, one side of the water conveying pipe 12 is provided with two water distribution pipes 13, one end of the water distribution pipe 13 is provided with a plurality of atomizing nozzles 14 distributed at equal intervals, the pump 16 is turned on, the water in the water tank 15 is injected into the water conveying pipe 12 through the connecting pipe, then enters the water distribution pipe 13 through the water conveying pipe, and finally is sprayed out from the atomizing nozzles 14, so that the passing air can be humidified, after the humidified air, the water mist can absorb the dust in the air, so that the dust is settled, the dust concentration is effectively reduced, the air quality in the tunnel is improved, and the threat of the dust to the health of the construction workers is reduced.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A tunnel construction ventilation apparatus comprising a housing (1), characterised in that: The front side of the shell (1) is provided with a receiving groove (6), the inside of the receiving groove (6) is provided with a temperature and humidity adjusting box (2), and the temperature and humidity adjusting box (2) is in sliding limit with the receiving groove (6), the middle position of the inside of the temperature and humidity adjusting box (2) is provided with a first heat exchanger (3), which is used for temperature adjustment of the passing air, the rear end of the first heat exchanger (3) is provided with an atomizing humidification mechanism, the upper end of the back of the shell (1) is provided with four air ducts (9) connected with the receiving groove (6), the inside of the air duct (9) is provided with a fan (10), and the both sides of the shell (1) are provided with fixing frames (7) for adjusting the position of the temperature and humidity adjusting box (2) in the receiving groove (6).

2. A tunneling ventilation apparatus according to claim 1, characterized in that: The top end of the temperature and humidity adjusting box (2) is provided with a temperature adjusting box (4), the inside of the temperature adjusting box (4) is fixedly provided with a second heat exchanger (19), one side of the second heat exchanger (19) is provided with a small compressor (20), and the first heat exchanger (3), the second heat exchanger (19) and the small compressor (20) are connected through a medium pipeline.

3. A tunneling ventilation apparatus according to claim 2, wherein: The upper end of the temperature adjusting box (4) is provided with a corrugated hose (5) connected therewith, and the heat generated by the second heat exchanger (19) is discharged outside the tunnel by extending the corrugated hose (5).

4. A tunneling ventilation apparatus according to claim 1, wherein: The lower end of the temperature and humidity adjusting box (2) is provided with a bottom box (11), the inside of the bottom box (11) is provided with a water tank (15), one side of the water tank (15) is provided with a pump (16), the atomizing humidification mechanism comprises a water delivery pipe (12) located on one side of the rear end of the inside of the temperature and humidity adjusting box (2), and the water delivery pipe (12) is connected with the pump (16) through a connecting pipe, one side of the water delivery pipe (12) is provided with two water distribution pipes (13), and one end of the water distribution pipe (13) is provided with a plurality of atomizing nozzles (14) distributed at equal intervals.

5. A tunneling ventilation apparatus according to claim 1, wherein: The top end of the fixing frame (7) is fixedly provided with a servo motor (8), the inside of the fixing frame (7) is rotatably provided with a threaded rod (17), the output shaft of the servo motor (8) is connected with the threaded rod (17), the outside of the threaded rod (17) is provided with a sliding block (18), and one side of the sliding block (18) is fixed with the temperature and humidity adjusting box (2).

6. A tunneling ventilation apparatus according to claim 1, wherein: The lower part of the front end of the shell (1) is symmetrically provided with a hinged access door.

7. A tunneling ventilation apparatus according to claim 1, wherein: The top end of the shell (1) is provided with a slot.

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