CN219529066U - Underground ventilation device for metal mine - Google Patents

Abstract

The utility model discloses a metal mine underground ventilation device in the technical field of ventilation devices, which comprises a circulation box, wherein a fixing pipe is movably inserted in the middle of the top end of the circulation box, a through hole matched with the fixing pipe is formed in the circulation box, the top end of the fixing pipe is communicated with a ventilation box, the bottom end of the ventilation box is in a funnel shape, two support feet which are respectively symmetrical left and right are connected to the bottom end of the ventilation box, the other end of the support foot is connected with the top end of the circulation box, a water circulation mechanism is arranged on the ventilation box, an air inlet pipe is communicated with the left end of the ventilation box, an exhaust fan is arranged on the air inlet pipe, a fixed transverse plate is supported at the bottom end of the exhaust fan, one side end of the fixed transverse plate is connected with the outer wall of the ventilation box, an air outlet pipe is communicated with the right end of the ventilation box, and water can be recycled by the aid of the water circulation mechanism, and the utilization rate of water resources is improved.

Description

Underground ventilation device for metal mine

Technical Field

The utility model relates to the technical field of ventilation devices, in particular to a metal mine underground ventilation device.

Background

The underground ventilation device for the metal mine is characterized in that fresh air is input into the mine underground, the oxygen concentration is increased, and toxic and harmful gases and dust in the mine are diluted and discharged, and the patent number is disclosed: CN210660163U discloses an utility model patent of a metal mine underground ventilation device, in this patent, water is converted into water mist through a spraying device, the arrangement of fan blades makes waste gas contact with the water mist, the water mist is fully combined with dust in the waste gas, the water mist can fall into a dust collection box after gathering a large amount of dust, the water mist containing a small amount of metal dust can be prevented from being directly discharged to the outside through a demisting plate, the pollution of the metal dust to the environment is avoided, however, water used in the spraying process of the spraying device cannot be recycled, the utilization rate of water resources is reduced, and the saving and the utilization of the water resources are also unfavorable.

Disclosure of Invention

The utility model aims to provide a metal mine underground ventilation device, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ventilation unit in pit in metal mine, includes the circulation case, the activity of the top middle part of circulation case is pegged graft there is the fixed pipe, set up the through-hole with fixed pipe looks adaptation on the circulation case, the top intercommunication of fixed pipe has the ventilation case, the bottom of ventilation case is the funnel form, just the bottom of ventilation case is connected with two supporting legs that are bilateral symmetry respectively, the other end of supporting legs is connected with the top of circulation case, be equipped with hydrologic cycle mechanism on the ventilation case, the left end intercommunication of ventilation case has the air-supply line, install the air exhauster on the air-supply line, the bottom support of air exhauster has fixed diaphragm, one side end of fixed diaphragm is connected with the outer wall of ventilation case, the right-hand member intercommunication of ventilation case is equipped with out the tuber pipe.

Further, the water circulation mechanism comprises a water tank, the top middle part that is located the ventilation box is installed to the water tank, the top surface intercommunication of water tank is equipped with first water pipe, the other end of first water pipe is linked together with the rear side lower extreme of circulation box, the lower surface intercommunication of water tank has the second water pipe, the other end of second water pipe runs through the top of ventilation box and communicates there is the atomising head, install the suction pump on the second water pipe, the left and right sides of suction pump all is connected with fixed foot, the other end of fixed foot is connected with the roof in the ventilation box, the upper right end intercommunication of water tank has the inlet tube.

Further, the installation cover is installed to the bottom of fixed pipe, installation cover and fixed pipe looks adaptation are the tube-shape, the circular mouth that link up from top to bottom is seted up at the bottom middle part of installation cover, install the filter screen rather than looks adaptation in the circular mouth.

Further, the inner wall of the mounting cover is provided with an internal thread, and the fixing tube is provided with an external thread matched with the internal thread.

Further, the top surfaces of the ventilating box and the circulating box are round, and the inner diameters of the ventilating box, the round opening and the bottom end of the fixed pipe are the same.

Further, the air inlet pipe and the air outlet pipe are symmetrical, and the air inlet pipe is positioned below the bottom end of one side of the spray head.

Further, the outer surface of the fixed pipe is tightly sleeved with a sealing gasket, and the sealing gasket is arranged on the top surface of the circulation box.

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

1. can be with the water that prepares in advance in the water tank to atomising head department through the drainage of second water pipe, spray through atomising head to the waste gas through ventilation incasement, dust in the waste gas is downthehole because gravity cause whereabouts after combining with the water smoke, and get into the inside of circulation case through fixed pipe, wherein carry out filtration treatment through the metal dust in the filter screen to the waste gas, avoid the metal dust to directly arrange and detach and cause environmental pollution, be favorable to improving the practicality of this device, the water after the filtration is sprayed through the atomising head through first water pipe drainage to the second water pipe in again through the effect of water pump, through setting up water circulation mechanism, can carry out cyclic utilization to water, be favorable to improving the utilization ratio of water resource.

2. Through the threaded connection of external screw thread and internal screw thread, be convenient for dismantle and the installation between installation cover and the fixed pipe to be convenient for clear up or change the filter screen, be favorable to improving the availability factor of this device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic exploded view of the ventilation and circulation boxes of the present utility model;

FIG. 3 is a schematic view of the mounting cap and filter screen of the present utility model in an exploded configuration;

in the figure: 1. a circulation box; 2. a fixed tube; 3. a ventilation box; 4. a water circulation mechanism; 41. a first water pipe; 42. a second water pipe; 43. a spray head; 44. a water suction pump; 5. an air inlet pipe; 6. fixing the transverse plate; 7. an air outlet pipe; 8. a mounting cover; 9. a circular opening; 10. a filter screen; 11. an internal thread; 12. an external thread; 13. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, a metal mine underground ventilation device, including circulation case 1, circulation case 1's top middle part activity grafting has fixed pipe 2, set up the through-hole with fixed pipe 2 looks adaptation on the circulation case 1, fixed pipe 2's top intercommunication has ventilation case 3, ventilation case 3's bottom is the funnel form, be convenient for ventilation case 3 in water get into circulation case 1's inside through fixed pipe 2, be favorable to improving ventilation case 3's result of use, and ventilation case 3's bottom is connected with two supporting legs that are bilateral symmetry respectively, the other end of supporting legs is connected with circulation case 1's top, the supporting legs is formed for bracing piece and backup pad combination, the backup pad passes through bolt and circulation case 1 swing joint, be convenient for dismantle and the installation between circulation case 1 and the ventilation case 3, be equipped with hydrologic cycle mechanism 4 on the ventilation case 3, ventilation case 3's left end intercommunication has air-supply line 5, install the air exhauster for prior art on the ventilation case 5, the bottom of air exhauster is the setting up for the air exhauster, the bottom of air exhauster is supported and is fixed diaphragm 6, one side end of fixed diaphragm 6 is connected with the outer wall of case 3 respectively, the air exhauster 3 is provided with through fixed diaphragm 6, can be connected through fixed diaphragm 7, ventilation case 3, the ventilation case is provided with stable through the air exhauster through setting up 7.

Referring to fig. 1, the water circulation mechanism 4 includes a water tank, the water tank is installed and is located the top middle part of ventilation case 3, the top surface intercommunication of water tank is equipped with first water pipe 41, the other end of first water pipe 41 is linked together with the rear side lower extreme of circulation case 1, the lower surface intercommunication of water tank has second water pipe 42, the other end of second water pipe 42 runs through the top of ventilation case 3 and communicates there is atomising head 43, install the water suction pump 44 on the second water pipe 42, the left and right sides of water suction pump 44 all is connected with the fixed foot, the other end of fixed foot is connected with the roof in the ventilation case 3, the fixed foot has dead lever and fixed plate combination to form, and the positive face of dead lever is L type, the fixed plate passes through bolt and ventilation case 3 swing joint, through setting up the fixed foot, can provide stable holding power for water suction pump 44 through the fixed foot, the upper right end intercommunication of water tank has the inlet tube, can be when using this device through the inlet tube in advance with water injection, the outside screw thread of water inlet tube one side of water tank has been kept away from the water tank connects the sealed lid rather than adaptation, can seal the water tank 44, the work of being convenient for.

Referring to fig. 1 and 3, the bottom of the fixed tube 2 is provided with a mounting cover 8, the mounting cover 8 is matched with the fixed tube 2 and is cylindrical, the middle of the bottom of the mounting cover 8 is provided with a circular opening 9 which is vertically communicated, a filter screen 10 matched with the circular opening 9 is arranged in the circular opening 9, and metal dust in waste gas can be filtered through the filter screen 10 by arranging the filter screen 10, so that environmental pollution caused by direct removal of the metal dust is avoided, and the practicability of the device is improved.

Referring to fig. 2-3, an inner wall of the installation cover 8 is provided with an internal thread 11, the fixed pipe 2 is provided with an external thread 12 matched with the internal thread 11, and the installation cover 8 and the fixed pipe 2 are convenient to detach and connect by arranging the internal thread 11 and the external thread 12 and connecting the internal thread 11 and the external thread 12, so that the filter screen 10 is convenient to clean or replace, and the use efficiency of the device is improved.

Referring to fig. 1, the top surfaces of the ventilation box 3 and the circulation box 1 are circular, the inner diameters of the ventilation box 3, the circular opening 9 and the bottom end of the fixed pipe 2 are the same, the air inlet pipe 5 and the air outlet pipe 7 are symmetrical, and the air inlet pipe 5 is positioned below the bottom end of one side of the spray head 43.

Example 2

On the basis of embodiment 1, a sealing gasket 13 is added, referring to fig. 1-2, the outer surface of the fixed pipe 2 is tightly sleeved with the sealing gasket 13, the sealing gasket 13 is arranged on the top surface of the circulation box 1, and the sealing performance of the joint between the fixed pipe 2 and the through hole can be improved by arranging the sealing gasket 13, so that the use effect of the device is improved.

Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a metal mine ventilation unit in pit, includes circulation case (1), its characterized in that: the utility model discloses a circulating box, including circulating box (1), ventilation box (3), fixing pipe (2) and air inlet pipe (5) are connected in the activity of top middle part of circulating box (1), set up on circulating box (1) with fixing pipe (2) looks adaptation through-hole, the top intercommunication of fixing pipe (2) has ventilation box (3), the bottom of ventilation box (3) is the hopper-shaped, just the bottom of ventilation box (3) is connected with two supporting legs that are bilateral symmetry respectively, the other end of supporting legs is connected with the top of circulating box (1), be equipped with hydrologic cycle mechanism (4) on ventilation box (3), the left end intercommunication of ventilation box (3) has air-supply line (5), install the air exhauster on air inlet pipe (5), the bottom support of air exhauster has fixed diaphragm (6), one side end and the outer wall of ventilation box (3) are connected, the right-hand member intercommunication of ventilation box (3) is equipped with out tuber pipe (7).

2. A metal mine downhole ventilation device according to claim 1, wherein: the utility model provides a water circulation mechanism (4) includes the water tank, the water tank installation is located the top middle part of ventilation case (3), the top surface intercommunication of water tank is equipped with first water pipe (41), the other end of first water pipe (41) is linked together with the rear side lower extreme of circulation case (1), the lower surface intercommunication of water tank has second water pipe (42), the other end of second water pipe (42) runs through the top of ventilation case (3) and communicates there is atomising head (43), install on second water pipe (42) water absorption pump (44), the left and right sides of water absorption pump (44) all is connected with fixed foot, the other end of fixed foot is connected with the roof in ventilation case (3), the upper right end intercommunication of water tank has the inlet tube.

3. A metal mine downhole ventilation device according to claim 1, wherein: the installation cover (8) is installed to the bottom of fixed pipe (2), installation cover (8) and fixed pipe (2) looks adaptation just are the tube-shape, circular mouth (9) that link up about being offered in the bottom middle part of installation cover (8), install in circular mouth (9) and be equipped with filter screen (10) rather than looks adaptation.

4. A metal mine downhole ventilation device according to claim 3, wherein: the inner wall of the mounting cover (8) is provided with an internal thread (11), and the fixing tube (2) is provided with an external thread (12) matched with the internal thread (11).

5. A metal mine downhole ventilation device according to claim 1, wherein: the top surfaces of the ventilating box (3) and the circulating box (1) are round, and the inner diameters of the ventilating box (3), the round opening (9) and the bottom end of the fixed pipe (2) are the same.

6. A metal mine downhole ventilation device according to claim 2, wherein: the air inlet pipe (5) and the air outlet pipe (7) are symmetrically arranged, and the air inlet pipe (5) is positioned below the bottom end of one side of the spray head (43).

7. A metal mine downhole ventilation device according to claim 1, wherein: the outer surface of the fixed pipe (2) is tightly sleeved with a sealing gasket (13), and the sealing gasket (13) is arranged on the top surface of the circulation box (1).