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CN-116952083-B - Blasting dust-falling method for surface mine

CN116952083BCN 116952083 BCN116952083 BCN 116952083BCN-116952083-B

Abstract

The invention relates to a blasting dust-settling method for a surface mine, which comprises the following steps of A, sprinkling water in a region to be blasted to moisten the surface of the mine, B, drilling blast holes, filling explosive, stuffing and water stemming in the blast holes, C, manually pushing water spraying equipment into the blast holes after blasting is finished, and spraying dust-settling dust, wherein the water spraying equipment in the step C comprises a water storage tank, a steel pipe is fixedly arranged on the inner top wall of the water storage tank, a water pump communicated with the steel pipe is fixedly arranged on the top surface of the water storage tank, two side plates are fixedly arranged on the side surfaces of the water storage tank, an atomizing nozzle is rotatably arranged between the two side plates, a motor is fixedly arranged on one of the side plates, the output end of the motor is rotatably connected with the atomizing nozzle through the side plates, and a hose is arranged between the water storage tank and the atomizing nozzle in a communicating manner.

Inventors

  • HU FEIZHOU
  • WANG ZHONGJIE
  • Xu Pinde
  • LI HAO

Assignees

  • 核工业金华勘测设计院有限公司

Dates

Publication Date
20260512
Application Date
20230306

Claims (5)

  1. 1. A blasting dust-falling method for a surface mine is characterized by comprising the following steps: A. Sprinkling water in the area to be blasted to make the mine surface moist; B. Drilling a blast hole, and filling explosive, a filler and water stemming in the blast hole; C. after the detonation is finished, manually pushing the water spraying equipment in, and spraying and dust falling are carried out on dust; The water spraying equipment in the step C comprises a water storage tank (1), a steel pipe (6) is fixedly arranged on the inner top wall of the water storage tank (1), a water pump (2) communicated with the steel pipe (6) is fixedly arranged on the top surface of the water storage tank (1), two side plates (3) are fixedly arranged on the side surface of the water storage tank (1), an atomizing spray head (4) is rotatably arranged between the two side plates (3), a motor (133) is fixedly arranged on one of the side plates (3), the output end of the motor (133) rotatably penetrates through the side plates (3) and is fixedly connected with the atomizing spray head (4), a hose (5) is communicated between the water storage tank (1) and the atomizing spray head (4), a cleaning assembly is arranged on the outer side of the steel pipe (6), a driving assembly for driving the cleaning assembly is arranged in the steel pipe (6), a filter screen (7) is fixedly arranged on the bottom opening of the steel pipe (6), the driving assembly comprises a push plate (31), a moving assembly matched with the push plate (31) is arranged on the side surface of the filter screen (7), the moving assembly comprises a reciprocating block (40), a first side surface (41) of the reciprocating block (40) is arranged on the side surface of the first side (41) and is far away from the first side surface (41) of the first side (41), two second magnets (43) are arranged on two sides of the top surface of the filter screen (7) in a reciprocating manner, the two first magnets (42) and the two second magnets (43) are opposite to each other in the thickness direction of the filter screen (7), a '冖' word board (888) is fixedly arranged on the side surface of the two second magnets (43), a first air cylinder (44) is fixedly arranged on two sides of the lower end surface of the '冖' word board (888) respectively, a lifting plate (45) is fixedly arranged at the lower end of the two first air cylinders (44), a plurality of contact pins (46) are uniformly distributed on the lifting plate (45) along the length direction, a feeding through groove (47) is formed in the top surface of the storage box (41), the feeding through groove (47) is communicated with the inside of the storage box (41), a first rubber plate (48) is fixedly arranged on the inner wall of one side of the feeding through groove (47), a second rubber plate (49) is fixedly arranged on the inner wall of the other side, and a stop plate (666) is fixedly arranged on the top of the storage box (41).
  2. 2. A method for blasting dust fall in a surface mine as set forth in claim 1, wherein the driving assembly comprises a mounting plate (21) fixedly arranged between inner walls of a steel pipe (6), the mounting plate (21) is rotatably provided with a first rotating shaft (22), the first rotating shaft (22) penetrates through the mounting plate (21) along a thickness direction of the mounting plate (21), a fan wheel (23) is fixedly arranged at a lower end of the first rotating shaft (22), a first bevel gear (24) is fixedly arranged at an upper end of the first rotating shaft (22), a second rotating shaft (25) is rotatably arranged on an inner wall of the steel pipe (6), the second rotating shaft (25) penetrates through an inner wall of the steel pipe (6) along the thickness direction of the inner wall of the steel pipe (6), a second bevel gear (26) meshed with the first bevel gear (24) is fixedly arranged at one end of the second rotating shaft (25) positioned at an outer side of the steel pipe (6), a third bevel gear (27) is fixedly arranged at one end of the second rotating shaft (25) positioned at an outer side of the steel pipe (6), a third rotating shaft (28) is fixedly arranged at an outer side of the second rotating shaft (28) and penetrates through the third rotating shaft (28), a fourth bevel gear (30) meshed with the third bevel gear (27) is fixedly arranged at the upper end of the third rotating shaft (29), and a push plate (31) is fixedly arranged at the lower end of the third rotating shaft (29).
  3. 3. A method for blasting and dust falling in a surface mine as set forth in claim 1, wherein a movable cavity (50) is provided on the inner wall of the storage box (41), two extending grooves (510) are provided on the inner wall of the feeding through groove (47), the two extending grooves (510) and the first rubber plate (48) are located on the same side wall, the first rubber plate (48) is provided with two notch grooves (149), one side notch of the two extending grooves (510) is opposite to the two notch grooves (149), the other side notch is communicated with the movable cavity (50), two second air cylinders (51) are fixedly provided at the bottom of the movable cavity (50), the two second air cylinders (51) are respectively located at two sides of the bottom of the movable cavity (50), a travel plate (52) is respectively and fixedly provided on a piston rod of the two second air cylinders (51), the travel plate (52) simultaneously penetrates through the extending grooves (510) and the notch grooves (149), two travel plates (52) are respectively provided with a rotary rod (55) and a rotary rod (55) is respectively provided in the two rotary rod (55) and a rotary rod (55) is respectively provided at the two rotary rod (55) and a round hole (55), the turnover plate (53) is fixedly connected with the rotating rod (55), a torsion spring is sleeved on the outer surface of the rotating rod (55), one end of the torsion spring is fixedly connected with the rotating rod (55), the other end of the torsion spring is fixedly connected with the travel plate (52), and a retaining plate (60) matched with the pressing plate (57) is fixedly arranged on the inner walls of two sides of the feeding through groove (47) along the length direction respectively.
  4. 4. A method for blasting and dust falling in a surface mine as claimed in claim 1, wherein a roller (400) is rotatably provided at each of four corners of the bottom surface of the water tank (1).
  5. 5. A method for blasting and dust falling in a surface mine as claimed in claim 1, wherein a pushing handle (401) is fixedly arranged on the side face of the water storage tank (1).

Description

Blasting dust-falling method for surface mine Technical Field The invention relates to the technical field of mine blasting dust fall methods, in particular to a surface mine blasting dust fall method. Background In mining, a large amount of blasting operation is needed, dust in the blasting process is one of mine dust sources, the mine generally takes away the dust in a natural ventilation or forced ventilation mode, the dust is blown into a natural environment, the dust concentration of the mine is reduced, but air pollution is caused to surrounding environments, and in order to solve the problems, the invention provides a surface mine blasting dust fall method. Disclosure of Invention (1) Technical problem to be solved The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide a surface mine blasting dust-settling method which can spray water mist through an atomization nozzle to reduce dust and can not cause air pollution to the surrounding environment, so as to solve the technical problems. (2) Technical proposal In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a method for blasting and dust falling of a surface mine, which comprises the following steps: A. Sprinkling water in the area to be blasted to make the mine surface moist; B. Drilling a blast hole, and filling explosive, a filler and water stemming in the blast hole; C. after the detonation is finished, manually pushing the water spraying equipment in, and spraying and dust falling are carried out on dust; The water spraying equipment in the step C comprises a water storage tank, a steel pipe is fixedly arranged on the inner top wall of the water storage tank, a water pump communicated with the steel pipe is fixedly arranged on the top surface of the water storage tank, two side plates are fixedly arranged on the side surfaces of the water storage tank, an atomizing nozzle is rotatably arranged between the two side plates, a motor is fixedly arranged on one of the side plates, the output end of the motor rotatably penetrates through the side plates and is fixedly connected with the atomizing nozzle, and a hose is arranged between the water storage tank and the atomizing nozzle in a communicating mode. The steel pipe outside is provided with a clearance subassembly, be provided with a drive assembly who is used for driving clearance subassembly in the steel pipe, the bottom opening of steel pipe is fixed to be provided with a filter screen. The drive assembly is including fixed the mounting panel that sets up between the steel pipe inner wall, the mounting panel rotates and is provided with first rotation axis, first rotation axis is followed the thickness direction of mounting panel runs through the mounting panel, the lower extreme of first rotation axis is fixed to be provided with a fan wheel, the upper end of rotation axis is fixed to be provided with first bevel gear, the inner wall of steel pipe rotates and is provided with the second rotation axis, just the second rotation axis runs through the inner wall of steel pipe inner wall along the thickness direction of steel pipe inner wall, the second rotation axis is located the fixed second bevel gear that is provided with one and first bevel gear engaged with of one end in the steel pipe, the second rotation axis is located the fixed third bevel gear that is provided with of one end in the steel pipe outside, the fixed extension board that is provided with in outside of steel pipe, the extension board rotates and is provided with the third rotation axis, just the third rotation axis is followed the height of extension board runs through the extension board, the upper end of third rotation axis is fixed to be provided with a fourth bevel gear with third bevel gear engaged with the third bevel gear, the lower extreme of third rotation axis is fixed to be provided with a push pedal. The filter screen is provided with one and push pedal matched with remove the subassembly, but remove the subassembly and include reciprocating motion's removal piece, it is provided with a storing box to move the fixed side of one side that the piece kept away from the push pedal, the fixed two first magnets that are provided with in top of storing box, but the top surface both sides reciprocating motion of filter screen are provided with two second magnets, two first magnets and two second magnets are in the thickness direction of filter screen is relative, the fixed "冖" word board that is provided with in side of two second magnets, the fixed first cylinder that is provided with respectively in the lower terminal surface both sides of 冖 "word board, two the fixed lifter plate that is provided with of lower extreme of first cylinder, the lifter plate is along length direction evenly distributed has a plurality of contact pins, the top surface of storing box is provided with a feeding through groove, feeding thro