Cooling and dust falling device for mine

Abstract

The utility model belongs to the technical field of mine cooling equipment, and discloses a mine cooling and dust falling device which comprises a heat preservation storage box, a cutting device and a large dry ice block, a transverse and vertical displacement device is arranged in the heat preservation storage box, and a feeding bearing table is arranged in the center of the bottom of the inner wall of the heat preservation storage box and located in the transverse and vertical displacement device. Through the arrangement of the heat preservation storage box, the refrigeration atomization device and the control device, temperature control and dust removal in a mine can be achieved with low cost, automatic control and regional cooling and dust removal operation can be achieved through cooperation of the device, the working efficiency is improved, and the working efficiency is improved. Therefore, energy and materials are saved, meanwhile, the mine is efficiently cooled, the underground environment of the coal mine is effectively prevented from being humid, the ventilation and heat dissipation effects are effectively prevented from being poor, and workers are prevented from diseases caused by inhaling dust or frequent safety accidents caused by low visibility are prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of mine cooling equipment, and in particular relates to a mine cooling and dust reduction device. Background Art

[0002] In the process of coal mining, a lot of electromechanical equipment will be used. Electromechanical equipment will generate a lot of heat during use. The underground environment of coal mines is humid and the ventilation effect is poor. If the heat is not dissipated in time, the parts of the electromechanical equipment may be damaged. When the equipment is damaged, the electromechanical equipment needs to be repaired, which greatly affects the progress of the work and reduces production efficiency.

[0003] The existing cooling devices have low cooling efficiency, are unable to accurately control temperature and reduce dust, and waste a lot of cold sources. They require manual operation, which leads to a decrease in mine production efficiency and a failure to improve the working environment. Utility Model Content

[0004] The utility model aims to provide a temperature reduction and dust reduction device for mines, aiming to solve the problems existing in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for cooling and dust reduction for mines comprises a heat-insulating storage box, a cutting device and large blocks of dry ice, wherein a horizontal and vertical displacement device is arranged inside the heat-insulating storage box, a feeding bearing platform is arranged at the center of the bottom of the inner wall of the heat-insulating storage box and inside the horizontal and vertical displacement device, the horizontal and vertical displacement device drives the cutting device to move horizontally and vertically, the large block of dry ice is positioned and placed on the top of the feeding bearing platform, and is cut into small blocks of dry ice by the cutting device, and the small blocks of dry ice are sent into a refrigeration atomization device through the feeding bearing platform, a plate-type lifting valve is arranged between the refrigeration atomization device and the heat-insulating storage box, an output end of the refrigeration atomization device is connected to a main air duct, the main air duct is connected to a plurality of branch air ducts, a plurality of air outlets are evenly arranged on the surface of the branch air duct along the laying direction thereof, a plurality of the branch air ducts are respectively laid inside each mine, a control device is arranged at the heat-insulating box, and a temperature sensor and a dust sensor are arranged inside each mine.

[0007] In a preferred embodiment of the present utility model, the horizontal and vertical displacement device includes a horizontal displacement device and a vertical displacement device, the horizontal displacement device and the vertical displacement device are both driven by motors, the vertical displacement device is fixedly connected to the sliding structure of the horizontal displacement device, and the cutting device is fixedly connected to the sliding structure of the vertical displacement device.

[0008] In a preferred embodiment of the utility model, the cutting device includes a cutting motor, the cutting motor is fixedly mounted on the sliding mounting seat of the lateral displacement device, the output shaft of the cutting motor is fixedly mounted on the rotating column, a wavy trajectory groove is provided on the surface of the rotating column, the rotating column is located inside the reciprocating sleeve one, a guide protrusion is provided on the inner surface of the reciprocating sleeve one, the guide protrusion is slidably connected to the inside of the wavy trajectory groove, the reciprocating sleeve one is slidably connected to the inside of the guide sleeve one, one end of the guide sleeve one is fixedly connected to the sliding mounting seat, one end of the reciprocating sleeve one is hinged to one end of the wire saw, the other end of the wire saw is hinged to the reciprocating sleeve two, the reciprocating sleeve two is slidably connected to the inside of the guide sleeve two, the guide sleeve two is fixedly connected to the sliding plate of the vertical displacement device, one end of the reciprocating sleeve two is fixedly connected to one end of the tensioning spring, and the other end of the tensioning spring is fixedly connected to the sliding plate.

[0009] In a preferred embodiment of the utility model, the refrigeration atomization device includes a refrigeration cabin, a blower is fixedly installed on one side of the refrigeration cabin, an air inlet scoop is fixedly installed on the output end of the blower, the air inlet scoop is connected to the refrigeration cabin, a flange air outlet is provided on one side of the refrigeration cabin, the flange air outlet is flange-connected to one end of the main air duct, and a spray device is provided on the top of the refrigeration cabin.

[0010] In a preferred embodiment of the utility model, the spray device includes a water tank, a water pump and a spray structure, the spray structure is arranged on the top of the inner wall of the refrigeration chamber, the input end of the spray structure extends out of the top of the refrigeration chamber and is connected with the output end of the water pump, the input end of the water pump is connected with the water tank, and the water tank and the water pump are both fixedly installed on the top of the refrigeration chamber.

[0011] In a preferred embodiment of the utility model, the feeding support platform includes a base, the middle part of one end of the bottom of the base is hinged to the end of the telescopic shaft of the electric telescopic rod, the bottom of the cylinder seat of the electric telescopic rod is hinged to the bottom of the inner wall of the heat-insulating storage box, and the other end of the bottom of the base is hinged with two connecting columns side by side, and the bottom of the connecting columns is fixedly installed on the bottom of the inner wall of the heat-insulating storage box.

[0012] In a preferred embodiment of the present invention, a plurality of cutting grooves are horizontally and evenly spaced on the top of the base, and the width of the cutting grooves matches the diameter of the wire saw.

[0013] In a preferred embodiment of the present invention, a baffle is fixedly mounted on the surface of the sliding mounting seat along the length direction of the wire saw. The baffle is located directly above the wire saw and its thickness does not exceed the diameter of the wire saw.

[0014] In a preferred embodiment of the utility model, the insulated storage box is provided with a control device, and each of the mines is provided with a temperature sensor and a dust sensor, the control device is a PLC controller, and the temperature sensor, the dust sensor, the plate lifting valve, the water pump, the blower, the cutting motor, the horizontal and vertical displacement device and the electric telescopic rod are all electrically connected to the PLC controller through wires.

[0015] The beneficial effects of the utility model are:

[0016] The utility model can realize temperature control and dust removal in the mine at a relatively low cost by arranging a heat preservation storage box, a refrigeration atomization device and a control device, and can realize automatic control and regional cooling and dust removal operations through the cooperation of the device, so as to save energy and materials while efficiently cooling the mine, thereby effectively preventing the damp environment in the coal mine and poor ventilation and heat dissipation, which may cause damage to parts of electromechanical equipment. When the equipment is damaged, the electromechanical equipment needs to be repaired, which greatly affects the progress of the work and reduces the production efficiency. In addition, by atomizing dry ice, the dust in the mine can be effectively reduced, thereby preventing the workers from getting sick due to inhaling dust, or frequent safety accidents due to low visibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional exploded structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional exploded structure of the thermal insulation storage box;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the horizontal and vertical displacement device;

[0021] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at A;

[0022] Figure 6 is a schematic diagram of the three-dimensional structure of the cutting device;

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the feeding support platform.

[0024] Attached figure numbers; among them, 1, heat preservation storage box; 2, plate lift valve; 3, spray device; 31, water storage tank; 32, water pump; 33, spray structure; 4, refrigeration atomization device; 41, refrigeration chamber; 42, blower; 43, air inlet hopper; 44, flange air outlet; 5, main air duct; 6, dry ice block; 7, horizontal and vertical displacement device; 71, horizontal displacement device; 72, vertical displacement device; 721, sliding mounting seat; 722, sliding plate; 8, cutting device; 81, cutting motor; 82, rotating column; 821, wavy track groove; 83, reciprocating sleeve one; 831, guide protrusion; 84, guide sleeve one; 85, wire saw; 86, reciprocating sleeve two; 87, guide sleeve two; 88, tension spring; 89, baffle; 9, feeding bearing platform; 91, base; 911, cutting groove; 92, electric telescopic rod; 93, connecting column. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model.

[0026] Example:

[0027] like Figure 1-7 As shown, the present embodiment provides a cooling and dust reduction device for mines, including an insulated storage box 1, a cutting device 8 and a large block of dry ice 6. A horizontal and vertical displacement device 7 is arranged inside the insulated storage box 1. A feeding support platform 9 is arranged at the center of the bottom of the inner wall of the insulated storage box 1 and inside the horizontal and vertical displacement device 7. The horizontal and vertical displacement device 7 drives the cutting device 8 to move horizontally and vertically. The large block of dry ice 6 is positioned and placed on the top of the feeding support platform 9 and is cut into small blocks of dry ice by the cutting device 8. The small blocks of dry ice are fed into the refrigeration atomization device 4 through the feeding support platform 9. A plate-type lifting valve 2 is arranged between the refrigeration atomization device 4 and the insulated storage box 1. The output end of the refrigeration atomization device 4 is connected to the main air duct 5, and the main air duct 5 is connected to a plurality of branch air ducts. A plurality of air outlets are evenly arranged on the surface of the branch air duct along the laying direction thereof. The plurality of branch air ducts are respectively laid inside each mine. A control device is arranged at the insulated box, and a temperature sensor and a dust sensor are arranged inside each mine.

[0028] Specifically, Figure 1-2As shown, the device uses dry ice as a cold source for cooling and dust reduction. It is easy to obtain, low in price, does not cause pollution to the environment, and has a significant cooling effect. By storing large blocks of dry ice 6 in the heat-insulating storage box 1 in advance, through the detection of the controller, temperature sensor, and dust sensor, when cooling and dust reduction are needed, the controller controls the horizontal and vertical displacement devices 7 arranged inside the heat-insulating storage box 1 to drive the cutting device 8 to adjust its position, so that the large block of dry ice 6 is cut to the required amount, and then the cut small blocks of dry ice are sent to the refrigeration atomization device 4 through the cooperation of the feeding carrier 9 and the plate-type lifting valve 2. The atomized dry ice is sent to the branch air ducts of each mine through the main air duct 5 through the refrigeration atomization device 4 for cooling and dust removal. Each branch air duct is provided with an electric valve to control its opening and closing;

[0029] Through the above-mentioned structural arrangement, temperature control and dust removal in the mine can be achieved at a relatively low cost, and the device can realize automatic control, regional cooling and dust removal operations, thereby saving energy and materials while efficiently cooling the mine, thereby effectively preventing the damp environment underground in the coal mine and poor ventilation and heat dissipation, which may cause damage to the parts of the electromechanical equipment. When the equipment is damaged, the electromechanical equipment needs to be repaired, which greatly affects the progress of the work and reduces production efficiency. In addition, by atomizing dry ice, the dust in the mine can be effectively reduced, thereby preventing workers from getting sick due to inhaling dust, or frequent safety accidents due to low visibility.

[0030] In a preferred embodiment of the present utility model, further, the horizontal and vertical displacement device 7 includes a horizontal displacement device 71 and a vertical displacement device 72, the horizontal displacement device 71 and the vertical displacement device 72 are driven by a motor, the vertical displacement device 72 is fixedly connected to the sliding structure of the horizontal displacement device 71, and the cutting device 8 is fixedly connected to the sliding structure of the vertical displacement device 72. Specifically, Figure 4-5 As shown, the cutting position of the cutting device 8 can be adjusted by cooperating with the lateral displacement device 71 and the controller, so as to accurately control the amount of dry ice used, thereby making the mine cooling effect more accurate and reasonable.

[0031] In a preferred embodiment of the present invention, further, the cutting device 8 includes a cutting motor 81, the cutting motor 81 is fixedly installed with the sliding mounting seat 721 of the lateral displacement device 71, the output shaft of the cutting motor 81 is fixedly installed with the rotating column 82, the surface of the rotating column 82 is provided with a wavy track groove 821, the rotating column 82 is located inside the reciprocating sleeve 83, the inner surface of the reciprocating sleeve 83 is provided with a guide protrusion 831, the guide protrusion 831 is slidably connected to the inside of the wavy track groove 821, the reciprocating sleeve 83 is slidably connected to the inside of the guide sleeve 84, one end of the guide sleeve 84 is fixedly connected to the sliding mounting seat 721, one end of the reciprocating sleeve 83 is hinged to one end of the wire saw 85, the other end of the wire saw 85 is hinged to the reciprocating sleeve 86, the reciprocating sleeve 86 is slidably connected to the inside of the guide sleeve 87, the guide sleeve 87 is fixedly connected to the sliding plate 722 of the vertical displacement device 72, one end of the reciprocating sleeve 86 is fixedly connected to one end of the tensioning spring 88, and the other end of the tensioning spring 88 is fixedly connected to the sliding plate 722.

[0032] Specifically, Figure 6 As shown, the cutting motor 81 drives the rotating column 82 to rotate, thereby driving the guide protrusion 831 set in the reciprocating sleeve 83 to move along the trajectory in the wavy trajectory groove 821. At the same time, since the reciprocating sleeve 83 is slidably connected to the guide sleeve 84 and cannot rotate, the reciprocating sleeve 83 can only reciprocate in the guide sleeve 84, and cooperate with the reciprocating sleeve 86, the guide sleeve 87 and the tensioning spring 88 to drive the wire saw 85 to reciprocate, and cut the large block of dry ice 6 under the drive of the vertical displacement device 72.

[0033] In a preferred embodiment of the utility model, further, the refrigeration atomization device 4 includes a refrigeration cabin 41, a blower 42 is fixedly installed on one side of the refrigeration cabin 41, an air inlet scoop 43 is fixedly installed on the output end of the blower 42, the air inlet scoop 43 is connected to the refrigeration cabin 41, a flange air outlet 44 is provided on one side of the refrigeration cabin 41, the flange air outlet 44 is flange-connected to one end of the main air duct 5, and a spray device 3 is provided on the top of the refrigeration cabin 41.

[0034] In a preferred embodiment of the utility model, further, the spray device 3 includes a water tank 31, a water pump 32 and a spray structure 33, the spray structure 33 is arranged on the top of the inner wall of the refrigeration chamber 41, the input end of the spray structure 33 extends out of the top of the refrigeration chamber 41 and is connected with the output end of the water pump 32, the input end of the water pump 32 is connected with the water tank 31, and the water tank 31 and the water pump 32 are both fixedly installed on the top of the refrigeration chamber 41.

[0035] Specifically, Figure 2As shown, water is sprayed into the refrigeration atomization device 4 through the spray device 3, and the dry ice contacts the water to generate low-temperature water mist, which is then sent into the main air duct 5 together with fresh air through the blower 42. The low temperature of the water mist is used to cool the interior of the mine and absorb dust, thereby achieving dust reduction simultaneously.

[0036] In a preferred embodiment of the utility model, further, the feeding support platform 9 includes a base 91, the middle part of one end of the bottom of the base 91 is hinged to the end of the telescopic shaft of the electric telescopic rod 92, the bottom of the cylinder seat of the electric telescopic rod 92 is hinged to the bottom of the inner wall of the heat-insulating storage box 1, and the other end of the bottom of the base 91 is hinged side by side with two connecting columns 93, and the bottom of the connecting column 93 is fixedly installed on the bottom of the inner wall of the heat-insulating storage box 1.

[0037] Specifically, Figure 7 As shown, after the dry ice is cut, the controller controls the electric telescopic rod 92 to extend so that the base 91 is tilted, so that the cut part passes through the opened plate-type lifting valve 2 and enters the interior of the refrigeration atomization device 4, while the remaining part is blocked by the baffle 89 and will not slide out of the base 91.

[0038] In a preferred embodiment of the present invention, further, a plurality of cutting grooves 911 are horizontally and evenly spaced on the top of the base 91 , and the width of the cutting grooves 911 matches the diameter of the wire saw 85 .

[0039] In a preferred embodiment of the present invention, further, a baffle 89 is fixedly mounted on the surface of the sliding mounting seat 721 along the length direction of the wire saw 85 . The baffle 89 is located directly above the wire saw 85 , and its thickness does not exceed the diameter of the wire saw 85 .

[0040] In a preferred embodiment of the utility model, further, the insulated storage box 1 is provided with a control device, and each of the mines is provided with a temperature sensor and a dust sensor. The control device is a PLC controller, and the temperature sensor, dust sensor, plate lifting valve 2, water pump 32, blower 42, cutting motor 81, horizontal and vertical displacement device 7 and electric telescopic rod 92 are all electrically connected to the PLC controller through wires. By presetting relevant parameters, the PLC controller can realize fully automatic regulation of the temperature and dust removal inside the mine, reduce personnel on duty, and save the use of cold sources, effectively protecting the normal operation of equipment under the mine.

[0041] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cooling and dust reduction device for mines, characterized in that: The invention comprises a heat preservation storage box (1), a cutting device (8) and a large block of dry ice (6); a horizontal and vertical displacement device (7) is arranged inside the heat preservation storage box (1); a feeding bearing platform (9) is arranged at the center of the bottom of the inner wall of the heat preservation storage box (1) and inside the horizontal and vertical displacement device (7); the horizontal and vertical displacement device (7) drives the cutting device (8) to move horizontally and vertically; the large block of dry ice (6) is positioned and placed on the top of the feeding bearing platform (9) and is moved by the cutting device (8) Cutting into small pieces of dry ice, the small pieces of dry ice are fed into a refrigeration atomization device (4) through the feeding carrier (9), a plate-type lifting valve (2) is arranged between the refrigeration atomization device (4) and the heat preservation storage box (1), the output end of the refrigeration atomization device (4) is connected to a main air duct (5), the main air duct (5) is connected to a plurality of branch air ducts, a plurality of air outlet nozzles are evenly arranged on the surface of the branch air duct along the laying direction thereof, and the plurality of branch air ducts are respectively laid inside each mine.

2. A mine cooling and dust reduction device according to claim 1, characterized in that: The transverse and vertical displacement device (7) comprises a transverse displacement device (71) and a vertical displacement device (72); the transverse displacement device (71) and the vertical displacement device (72) are both driven by a motor; the vertical displacement device (72) is fixedly connected to the sliding structure of the transverse displacement device (71); and the cutting device (8) is fixedly connected to the sliding structure of the vertical displacement device (72).

3. A mine cooling and dust reduction device according to claim 2, characterized in that: The cutting device (8) comprises a cutting motor (81), the cutting motor (81) is fixedly mounted on a sliding mounting seat (721) of the lateral displacement device (71), the output shaft of the cutting motor (81) is fixedly mounted on a rotating column (82), a wave-shaped track groove (821) is provided on the surface of the rotating column (82), the rotating column (82) is located inside a reciprocating sleeve (83), a guide protrusion (831) is provided on the inner surface of the reciprocating sleeve (83), the guide protrusion (831) is slidably connected to the inside of the wave-shaped track groove (821), the reciprocating sleeve (83) is slidably connected to the guide sleeve (84), one end of the guide sleeve 1 (84) is fixedly connected to the sliding mounting seat (721), one end of the reciprocating sleeve 1 (83) is hinged to one end of the wire saw (85), the other end of the wire saw (85) is hinged to the reciprocating sleeve 2 (86), the reciprocating sleeve 2 (86) is slidably connected to the inside of the guide sleeve 2 (87), the guide sleeve 2 (87) is fixedly connected to the sliding plate (722) of the vertical displacement device (72), one end of the reciprocating sleeve 2 (86) is fixedly connected to one end of the tensioning spring (88), and the other end of the tensioning spring (88) is fixedly connected to the sliding plate (722).

4. A mine cooling and dust reduction device according to claim 3, characterized in that: The refrigeration atomization device (4) comprises a refrigeration chamber (41), a blower (42) is fixedly mounted on one side of the refrigeration chamber (41), an air inlet scoop (43) is fixedly mounted on the output end of the blower (42), the air inlet scoop (43) is communicated with the refrigeration chamber (41), a flange air outlet (44) is arranged on one side of the refrigeration chamber (41), the flange air outlet (44) is flange-connected to one end of the main air duct (5), and a spray device (3) is arranged on the top of the refrigeration chamber (41).

5. A mine cooling and dust reduction device according to claim 4, characterized in that: The spray device (3) comprises a water storage tank (31), a water pump (32) and a spray structure (33); the spray structure (33) is arranged on the top of the inner wall of the refrigeration chamber (41); the input end of the spray structure (33) extends out of the top of the refrigeration chamber (41) and is connected to the output end of the water pump (32); the input end of the water pump (32) is connected to the water storage tank (31); and the water storage tank (31) and the water pump (32) are both fixedly installed on the top of the refrigeration chamber (41).

6. A mine cooling and dust reduction device according to claim 5, characterized in that: The feeding support platform (9) comprises a base (91), the middle part of one end of the bottom of the base (91) is hinged to the end of the telescopic shaft of the electric telescopic rod (92), the bottom of the cylinder seat of the electric telescopic rod (92) is hinged to the bottom of the inner wall of the heat-insulating storage box (1), and the other end of the bottom of the base (91) is hinged with two connecting columns (93) in parallel, and the bottom of the connecting column (93) is fixedly mounted on the bottom of the inner wall of the heat-insulating storage box (1).

7. A mine cooling and dust reduction device according to claim 6, characterized in that: A plurality of cutting grooves (911) are arranged at equal intervals in the transverse direction on the top of the base (91), and the width of the cutting grooves (911) matches the diameter of the wire saw (85).

8. A mine cooling and dust reduction device according to claim 7, characterized in that: A baffle (89) is fixedly mounted on the surface of the sliding mounting seat (721) along the length direction of the wire saw (85); the baffle (89) is located directly above the wire saw (85) and its thickness does not exceed the diameter of the wire saw (85).

9. A mine cooling and dust reduction device according to claim 8, characterized in that: The heat-insulating storage box (1) is provided with a control device, and each of the mines is provided with a temperature sensor and a dust sensor. The control device is a PLC controller, and the temperature sensor, the dust sensor, the plate-type lifting valve (2), the water pump (32), the blower (42), the cutting motor (81), the horizontal and vertical displacement device (7) and the electric telescopic rod (92) are all electrically connected to the PLC controller through electric wires.

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