Ventilation spraying device for dust removal under mine based on double-air-duct diversion

Abstract

The invention discloses a ventilating and spraying device for dust removal under a mine based on double-air-duct shunting, and relates to the technical field of ventilating and spraying dust removal, the ventilating and spraying device comprises an exhaust pipe, the left side and the right side in the exhaust pipe are both provided with stopping blocks, the opposite faces of the two stopping blocks are both provided with adjusting grooves, and expansion pieces are installed in the adjusting grooves; a support is installed in the exhaust pipe, a rotating piece is installed on the side, away from the stop block, of the support, a reciprocating piece is installed on the side, away from the support, of the rotating piece, a drainage piece is installed on the side, away from the support, of the reciprocating piece, and the drainage piece is communicated with the nozzles and connected with the expansion piece. The size of the space in the water storage barrel is adjusted through the adjusting structure, when the piston drives the extrusion block to move back and forth in the water storage barrel, the amount of water sucked into and discharged out of the water storage barrel is changed, the amount of water flow entering the spray head in the water storage barrel is changed, and use of different air flow speeds in the exhaust pipe is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ventilation and spray dust removal, in particular to a ventilation and spray device for underground mine dust removal based on double air ducts. BACKGROUND

[0002] For underground mine operation, there is a lack of oxygen in the mine, so ventilation needs to be continuously carried out, and the mine ventilation needs to be set up with an air inlet and an air outlet. Since the dust content in the mine is high, the air discharged from the air outlet contains a large amount of dust. In order to avoid the influence of dust on the external environment, mine ventilation and dust removal are essential.

[0003] The existing mine ventilation and dust removal mainly adopts the spray method, which uses water mist to adsorb dust in the air. However, since the exhaust channel in the mine is usually provided with multiple exhaust channels, the air flow rates in different exhaust channels often differ. When the air flow rate is fast, the dust removal efficiency of the spray equipment is reduced, and when the air flow rate is slow, the normal spray equipment will cause waste of water resources. SUMMARY

[0004] The purpose of the present application is to provide a ventilation and spray device for underground mine dust removal based on double air ducts to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A ventilation and spray device for underground mine dust removal based on double air ducts, comprising an exhaust pipe, a blocking block is installed on the left and right sides in the exhaust pipe, an adjusting groove is formed on the opposite side of the two blocking blocks, an expansion piece is installed in the adjusting groove, a plurality of spray heads are installed on the side of the expansion piece away from the output end of the exhaust pipe, a support is installed in the exhaust pipe, the support is arranged on the side of the blocking block facing the output end of the exhaust pipe, a rotating piece is installed on the side of the support away from the blocking block, a reciprocating piece is installed on the side of the rotating piece away from the support, a drainage piece is installed on the side of the reciprocating piece away from the support, and the drainage piece is connected with the spray head and the expansion piece.

[0006] Further, the expansion piece comprises an adjusting plate, the adjusting plate is connected to the side of the adjusting groove away from the output end of the exhaust pipe, a plurality of first elastic pieces are installed on the side of the adjusting plate facing the adjusting groove, one end of the first elastic piece away from the adjusting plate is installed in the adjusting groove, a hinged piece is installed on the opposite side of the two adjusting plates, and the hinged piece is connected with the drainage piece.

[0007] Further, the hinge comprises an adjusting rod, the two adjusting plates are hingedly connected on opposite sides of the adjusting rod, the nozzle is mounted on the side of the adjusting rod away from the output end of the exhaust pipe, the mounting frame is mounted in the exhaust pipe, a rectangular hole is formed in the side of the mounting frame, a support rod is slidably connected in the rectangular hole, the end of the adjusting rod away from the adjusting plate is hingedly connected with the support rod, an adjusting piece is mounted on the side of the support rod away from the adjusting rod, and the adjusting piece is mounted on the annular surface of the water drainage piece.

[0008] Further, the water drainage piece comprises a water storage cylinder, the adjusting piece is mounted on the annular surface of the water storage cylinder, the water storage cylinder is arranged on the side of the mounting frame away from the adjusting rod, a cross rod is mounted between the water storage cylinder and the mounting frame, a first one-way valve allowing only liquid to enter is mounted on the annular surface of each end of the water storage cylinder, a second one-way valve allowing only liquid to flow out is mounted on the output end of the second one-way valve, a water supply pipe is connected to the end of the second one-way valve away from the second one-way valve, the water supply pipe is connected to the nozzle, a water pressing piece is inserted into the water storage cylinder, and the water pressing piece is slidably connected in the water storage cylinder.

[0009] Further, the adjusting piece comprises an adjusting cylinder, the adjusting cylinder is mounted on the annular surface of each side of the water storage cylinder, a cross pipe is mounted on the side of the adjusting cylinder away from the water storage cylinder, a first inclined block is slidably connected in the cross pipe, the support rod is inserted into the two cross pipes and connected with the first inclined block, a second inclined block is slidably connected in the adjusting cylinder, a plurality of second elastic pieces are mounted on the side of the second inclined block facing the water storage cylinder, and an extrusion plug is mounted on the end of the second elastic piece away from the second inclined block.

[0010] Further, the water pressing piece comprises a connecting rod, the end of the connecting rod away from the mounting frame penetrates through the water storage cylinder and is connected with the reciprocating piece, a piston is mounted on the annular surface of the connecting rod, the piston is slidably connected on the inner annular surface of the water storage cylinder, and extrusion blocks are mounted on the two sides of the piston.

[0011] Further, the reciprocating piece comprises a reciprocating threaded rod, the reciprocating threaded rod is connected with the rotating piece, a reciprocating threaded block is spirally connected on the annular surface of the reciprocating threaded rod, and the end of the reciprocating threaded block away from the rotating piece is connected with the connecting rod.

[0012] Further, the rotating piece comprises a bearing, a circular hole is formed in the side of the support away from the blocking block, the bearing is mounted in the circular hole, a rotating rod is mounted in the bearing, a plurality of rotating leaves are mounted on the annular surface of the rotating rod away from the bearing, and the end of the rotating rod away from the rotating leaves penetrates through the support and is connected with the reciprocating threaded rod.

[0013] Further, the water inlet pipe is installed outside the exhaust pipe, the communicating hole is arranged in the support, and the water inlet pipe is connected with the two first one-way valves through the communicating hole.

[0014] Further, the protection pipe is installed on the side of the support away from the rotating blade, one end of the protection pipe away from the support is connected with the water storage cylinder, and the reciprocating threaded rod and the reciprocating threaded block are arranged in the protection pipe.

[0015] Beneficial effects: 1. The adjusting structure composed of the adjusting cylinder, the extrusion plug, the second inclined block, the elastic piece and the first inclined block is installed on both sides of the water storage cylinder, the size of the space in the water storage cylinder is adjusted by the adjusting structure, when the piston drives the extrusion block to move back and forth in the water storage cylinder and extrude the space in the water storage cylinder, the water suction and discharge in the water storage cylinder changes, the amount of water flow in the water storage cylinder into the nozzle changes, and then the penetration of the water mist sprayed by the nozzle changes, so that the use of different air flow rates in the exhaust pipe is met.

[0016] 2. The adjusting structure composed of the adjusting plate, the adjusting rod, the support rod and the mounting frame is installed in the exhaust pipe, the angle of the nozzle to the exhaust pipe is changed by the adjusting structure, when the air flow rate in the exhaust pipe changes, the distance between the two adjusting plates changes, and the angle of the multiple nozzles is changed by the adjusting rod, so that the water flow sprayed by the nozzle meets the use of different distances between the two adjusting plates.

[0017] 3. The rotating blade is driven to rotate by the flowing air in the exhaust pipe, the reciprocating structure composed of the reciprocating threaded rod and the reciprocating threaded block drives the connecting rod to reciprocate in the water storage cylinder through the rotating rod, the reciprocating movement of the connecting rod drives the piston to reciprocate, when the piston reciprocates, the piston extrudes the water in the water storage cylinder and sprays the water out of the nozzle through the drain pipe, when the air flow rate in the exhaust pipe changes, the reciprocating frequency of the reciprocating structure changes after the rotating speed of the rotating blade changes, and then the speed of the water flow sprayed by the nozzle changes, so that the demand of different air flow rates in the exhaust pipe is met. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application, the drawings used in the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0019] Figure 1 It is the exhaust pipe sectional view in the present application; Figure 2 It is the assembly schematic view of the support rod and the adjusting rod in the present application; Figure 3Assembling diagram of the protection tube and the water storage cylinder in the application; Figure 4 Assembling diagram of the water inlet pipe, the water delivery pipe and the water storage cylinder in the application; Figure 5 Sectional view of the water storage cylinder in the application; Figure 6 Assembling diagram of the second inclined block, the second elastic member and the extrusion plug in the adjusting cylinder in the application; Figure 7 Assembling diagram of the support and the rotating blade in the application Figure 8 Structure diagram of the ventilation and spraying device for dust removal under the mine based on the double-air-duct shunting in the application.

[0020] In the figure: 1, exhaust pipe; 2, blocking block; 3, adjusting plate; 4, first elastic member; 5, mounting frame; 6, support rod; 7, support; 8, rotating blade; 9, water inlet pipe; 10, rotating rod; 11, protection tube; 12, cross pipe; 13, water storage cylinder; 14, water delivery pipe; 15, spray head; 16, adjusting rod; 17, connecting rod; 18, reciprocating threaded block; 19, reciprocating threaded rod; 20, cross rod; 21, first one-way valve; 22, second one-way valve; 23, first inclined block; 24, second inclined block; 25, second elastic member; 26, adjusting cylinder; 27, extrusion plug; 28, piston; 29, extrusion block; 30, bearing. DETAILED DESCRIPTION

[0021] The embodiments of the technical scheme of the application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the application, and therefore only serve as examples, and cannot limit the protection scope of the application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments of the application and are not intended to limit the application; the terms "include" and "have" and any variations thereof in the specification and claims of the application and the above description of drawings are intended to cover non-exclusive inclusion.

[0023] In the description of the embodiments of the application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] Reference to“an embodiment” herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase“in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all referring to a common embodiment, or an embodiment that is identical to other embodiments. One of ordinary skill in the art will readily recognize from the disclosure herein, that the embodiments described herein can be combined with embodiments not expressly described, but with comparable purpose and function.

[0025] In the description of the embodiments of the present application, the technical terms“center”,“longitudinal”,“transverse”,“length”,“width”,“thickness”,“upper”,“lower”,“front”,“rear”,“left”,“right”,“vertical”,“horizontal”,“top”,“bottom”,“inner”,“outer”,“clockwise”,“counterclockwise”,“axial”,“radial”,“circumferential” and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0026] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms“mounting”,“connecting”,“connecting”,“fixing” and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] Please refer to Figures 1 to 8 The ventilation and spraying device for underground dust removal based on double-duct shunting of the application comprises an exhaust pipe 1, blocking blocks 2 are installed on the left and right sides in the exhaust pipe 1, adjusting grooves are formed on the opposite sides of the two blocking blocks 2, adjusting plates 3 are connected to one side of the adjusting grooves away from the output end of the exhaust pipe 1, a plurality of first elastic elements 4 are installed on the side of the adjusting plate 3 facing the adjusting groove, the first elastic elements 4 are springs, the first elastic elements 4 are in a normal state, one end of the first elastic element 4 away from the adjusting plate 3 is installed in the adjusting groove, adjusting rods 16 are hingedly connected to the opposite sides of the two adjusting plates 3, a plurality of spray heads 15 are installed on the side of the adjusting rod 16 away from the output end of the exhaust pipe 1, a mounting frame 5 is installed in the exhaust pipe 1, a rectangular hole is formed in the side surface of the mounting frame 5, a support rod 6 is slidably connected in the rectangular hole, and one end of the adjusting rod 16 away from the adjusting plate 3 is hingedly connected to the support rod 6.

[0028] When the air flow rate in the exhaust pipe 1 changes, the air pressing adjusting plate 3 changes in force, and then the spacing between the two adjusting plates 3 in the exhaust pipe 1 changes, when the spacing between the adjusting plates 3 changes, the angle of the adjusting rod 16 in the exhaust pipe 1 changes, and then the angle of the plurality of nozzles 15 changes, so that the water flow sprayed by the nozzles 15 can meet the use demand of different sizes of space after the adjusting plate 3 is intercepted.

[0029] The support 7 is installed in the exhaust pipe 1, the support 7 is arranged on the side of the blocking block 2 facing the output end of the exhaust pipe 1, a circular hole is formed in the side of the support 7 away from the blocking block 2, a bearing 30 is installed in the circular hole, a rotating rod 10 is installed in the bearing 30, a plurality of rotating leaves 8 are installed on the side of the rotating rod 10 away from the bearing 30 annular surface, the air in the exhaust pipe 1 contacts the rotating leaves 8 and drives the rotating leaves 8 to rotate when passing through, the rotating leaves 8 drive the rotating rod 10 to rotate, the end of the rotating rod 10 away from the rotating leaves 8 penetrates through the support 7 and is installed with a reciprocating threaded rod 19, a reciprocating threaded block 18 is spirally connected on the annular surface of the reciprocating threaded rod 19, the rotating rod 10 drives the reciprocating threaded rod 19 to rotate, and the reciprocating threaded rod 19 drives the reciprocating block to move back and forth.

[0030] The installation frame 5 is provided with a water storage cylinder 13 on the side away from the adjusting rod 16, a cross rod 20 is installed between the water storage cylinder 13 and the installation frame 5, first and second one-way valves 21 and 22 allowing only liquid to enter and liquid to flow out respectively are installed on the annular surfaces of the two ends of the water storage cylinder 13, a water supply pipe 14 is installed on the output end of the second one-way valve 22, the end of the water supply pipe 14 away from the second one-way valve 22 is connected with the nozzle 15, a connecting rod 17 is inserted into the water storage cylinder 13, the end of the connecting rod 17 away from the installation frame 5 penetrates through the water storage cylinder 13 and is connected with the reciprocating threaded block 18, and a piston 28 is installed on the annular surface of the connecting rod 17.

[0031] It should be noted that the piston 28 is slidably connected to the annular inner surface of the water storage cylinder 13, the reciprocating threaded block 18 moves back and forth to drive the piston 28 to move back and forth in the water storage cylinder 13, when the piston 28 reciprocates, the piston 28 presses the water in the water storage cylinder 13 and sprays it out of the nozzle 15 through the drain pipe, when the air flow rate in the exhaust pipe 1 changes, the rotating speed of the rotating leaves 8 changes to drive the reciprocating structure to change in reciprocating frequency, and then the speed of the water flow sprayed by the nozzle 15 changes, and then the demand of different air flow rates in the exhaust pipe 1 is met.

[0032] The adjusting cylinder 26 is installed on both sides of the annular surface of the water storage cylinder 13, the horizontal pipe 12 is installed on the side of the adjusting cylinder 26 away from the water storage cylinder 13, the first inclined block 23 is slidably connected in the horizontal pipe 12, the support rod 6 is inserted into the two horizontal pipes 12 and connected with the first inclined block 23, the second inclined block 24 is slidably connected in the adjusting cylinder 26, a plurality of second elastic members 25 are installed on the side of the second inclined block 24 facing the water storage cylinder 13, the second elastic members 25 are springs, the second elastic members 25 are in a normal state, the extrusion plug 27 is installed on the end of the second elastic member 25 away from the second inclined block 24, the extrusion plug 27 is arranged in the water storage cylinder 13, the extrusion block 29 is installed on both sides of the piston 28 and indirectly contacts with the extrusion plug 27.

[0033] It can be understood that the adjusting structure composed of the adjusting cylinder 26, the extrusion plug 27, the second inclined block 24, the elastic member and the first inclined block 23 is installed on both sides of the water storage cylinder 13, the size of the space in the water storage cylinder 13 is adjusted by the adjusting structure, when the piston 28 drives the extrusion block 29 to move back and forth in the water storage cylinder 13 and extrudes the space in the water storage cylinder 13, the water flow in the water storage cylinder 13 changes, the speed of the water flow out of the water storage cylinder 13 changes, and then the penetration of the water mist sprayed by the spray head 15 changes, which meets the use of different air flow rates in the exhaust pipe 1.

[0034] The water inlet pipe 9 is installed on the outside of the exhaust pipe 1, the communication hole is arranged in the support 7, the water inlet pipe 9 passes through the communication hole and is connected with the two first one-way valves 21, the protection pipe 11 is installed on the side of the support 7 away from the rotating blade 8, the end of the protection pipe 11 away from the support 7 is connected with the water storage cylinder 13, and the reciprocating threaded rod 19 and the reciprocating threaded block 18 are arranged in the protection pipe 11.

[0035] In summary, when the above-mentioned ventilation and spraying device for underground dust removal is used, first, the water inlet pipe 9 is connected, so that the water flow in the water inlet pipe 9 can be sent into the water storage cylinder 13 by the water conveying device, when the air in the exhaust pipe 1 passes through, the air contacts with the rotating blade 8 and drives the rotating blade 8 to rotate, the rotating blade 8 drives the rotating rod 10 to rotate, the rotating rod 10 drives the reciprocating threaded rod 19 to rotate, the reciprocating threaded rod 19 drives the reciprocating threaded block 18 to move, when the reciprocating threaded block 18 moves to the side away from the support 7, the piston 28 moves to the side away from the support 7 under the drive of the connecting rod 17, at this time, the water flow in the water storage cylinder 13 away from the support 7 is extruded, the space in the water storage cylinder 13 close to the support 7 sucks the water flow through the first one-way valve 21, when the reciprocating threaded block 18 drives the piston 28 to move to the side of the support 7 again, the water flow in the water storage cylinder 13 close to the support 7 is extruded into the spray head 15 again, and the space in the water storage cylinder 13 away from the support 7 sucks the air.

[0036] When the exhaust volume in the exhaust pipe 1 increases, the increased air flow presses the adjusting plate 3, the distance between the two adjusting plates 3 increases, the two adjusting plates 3 move away from each other and drive the angle between the two adjusting rods 16 to increase, the support rod 6 moves towards the side close to the adjusting plate 3, the first inclined block 23 and the second inclined block 24 are separated, the second inclined block 24 moves into the adjusting cylinder 26 without being pressed by the first inclined block 23, the second inclined block 24 drives the pressing plug 27 to move into the adjusting cylinder 26 through the second elastic element 25, at this time, the water flow in the water storage cylinder 13 increases, the water flow entering the nozzle 15 from the water storage cylinder 13 increases during the reciprocating movement of the piston 28, and the water flow sprayed from the nozzle 15 increases, so that the water flow sprayed from the nozzle 15 meets the use of different distances between the two adjusting plates 3, and when the air flow increases, the rotating blade 8 rotates faster, the piston 28 moves faster in the water storage cylinder 13, the water flow sprayed from the nozzle 15 increases, and the penetration of the water flow is further increased to meet the demand for increasing the exhaust volume.

[0037] When the exhaust volume in the exhaust pipe 1 decreases, the support rod 6 drives the first inclined block 23 to contact the second inclined block 24, and pushes the second inclined block 24 into the water storage cylinder 13, so that the second inclined block 24 drives the pressing plug 27 to move into the water storage cylinder 13 through the second elastic element 25 and occupies more space, so that the water flow that can be inhaled in the water storage cylinder 13 decreases when the piston 28 moves back and forth in the water storage cylinder 13, the water flow in the nozzle 15 decreases, and the impact force of the water flow sprayed from the nozzle 15 decreases.

[0038] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A ventilation and spraying device for dust removal in mines based on dual-duct diversion, comprising an exhaust pipe (1), characterized in that, Both sides of the exhaust pipe (1) are equipped with blocking blocks (2). Each of the two blocking blocks (2) has an adjustment groove on its opposite side. An expansion member is installed in the adjustment groove. Multiple nozzles (15) are installed on the side of the expansion member away from the output end of the exhaust pipe (1). A bracket (7) is installed in the exhaust pipe (1). The bracket (7) is located on the side of the blocking block (2) facing the output end of the exhaust pipe (1). A rotating member is installed on the side of the bracket (7) away from the blocking block (2). A reciprocating member is installed on the side of the rotating member away from the bracket (7). A drainage member is installed on the side of the reciprocating member away from the bracket (7). The drainage member is connected to the nozzles (15) and the expansion member.

2. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 1, characterized in that, The expansion member includes an adjustment plate (3), which is connected to the side of the adjustment groove away from the output end of the exhaust pipe (1). A plurality of first elastic members (4) are installed on the side of the adjustment plate (3) facing the adjustment groove. The end of the first elastic member (4) away from the adjustment plate (3) is installed in the adjustment groove. A hinge is installed on the opposite side of the two adjustment plates (3), and the hinge is connected to the drainage member.

3. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 2, characterized in that, The hinge includes an adjusting rod (16), and the two adjusting plates (3) are hinged to each other on opposite sides. The nozzle (15) is installed on the side of the adjusting rod (16) away from the output end of the exhaust pipe (1). A mounting bracket (5) is installed inside the exhaust pipe (1). A rectangular hole is opened on the side of the mounting bracket (5). A support rod (6) is slidably connected inside the rectangle. The end of the adjusting rod (16) away from the adjusting plate (3) is hinged to the support rod (6). An adjusting component is installed on the side of the support rod (6) away from the hinge rod. The adjusting component is installed on the annular surface of the drainage component.

4. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 3, characterized in that, The drainage component includes a water storage tank (13), the adjusting component is installed on the annular surface of the water storage tank (13), the water storage tank (13) is located on the side of the mounting frame (5) away from the adjusting rod (16), a crossbar (20) is installed between the water storage tank (13) and the mounting frame (5), a first one-way valve (21) that only allows liquid to enter and a second one-way valve (22) that only allows liquid to flow out are respectively installed on the annular surfaces at both ends of the water storage tank (13), a water supply pipe (14) is installed at the output end of the second one-way valve (22), the end of the water supply pipe (14) away from the second one-way valve (22) is connected to the nozzle (15), a water pressurizing component is inserted into the water storage tank (13), the water pressurizing component is slidably connected in the water storage tank (13), and one end of the water pressurizing component passes through the water storage tank (13) and is connected to the reciprocating component.

5. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 4, characterized in that, The adjusting component includes an adjusting cylinder (26). Adjusting cylinders (26) are installed on both sides of the annular surface of the water storage cylinder (13). A horizontal tube (12) is installed on the side of the adjusting cylinder (26) away from the water storage cylinder (13). A first inclined block (23) is slidably connected inside the horizontal tube (12). The support rod (6) is inserted into the two horizontal tubes (12) and connected to the first inclined block (23). A second inclined block (24) is slidably connected inside the adjusting cylinder (26). A plurality of second elastic elements (25) are installed on the side of the second inclined block (24) facing the inside of the water storage cylinder (13). A squeeze plug (27) is installed on the end of the second elastic element (25) away from the second inclined block (24).

6. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 4, characterized in that, The water-pressing component includes a connecting rod (17), one end of which passes through the water storage cylinder (13) and is connected to the reciprocating component. A piston (28) is mounted on the annular surface of the connecting rod (17). The piston (28) is slidably connected to the annular inner surface of the water storage cylinder (13). Squeezing blocks (29) are mounted on both sides of the piston (28). The squeezing blocks (29) are in indirect contact with the squeezing plug (27).

7. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 6, characterized in that, The reciprocating component includes a reciprocating threaded rod (19), which is connected to the rotating component. The reciprocating threaded rod (19) has a reciprocating threaded block (18) spirally connected to its annular surface. The end of the reciprocating threaded block (18) away from the rotating component is connected to the connecting rod (17).

8. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 7, characterized in that, The rotating component includes a bearing (30). A circular hole is provided on the side of the bracket (7) away from the blocking block (2). The bearing (30) is installed in the circular hole. A rotating rod (10) is installed in the bearing (30). Multiple rotating blades (8) are installed on the annular surface of the rotating rod (10) away from the bearing (30). The end of the rotating rod (10) away from the rotating blades (8) passes through the bracket (7) and is connected to the reciprocating threaded rod (19).

9. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 7, characterized in that, An inlet pipe (9) is installed on the outside of the exhaust pipe (1), and a connecting hole is opened in the bracket (7). The inlet pipe (9) passes through the connecting hole and is connected to two first one-way valves (21).

10. The ventilation and spraying device for dust removal in mines based on dual-duct diversion as described in claim 7, characterized in that, A protective tube (11) is installed on the side of the bracket (7) away from the rotating blade (8). The end of the protective tube (11) away from the bracket (7) is connected to the water storage tank (13). The reciprocating threaded rod (19) and the reciprocating threaded block (18) are both installed inside the protective tube (11).

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