CN211215979U - Dust settling equipment for storage yard - Google Patents

Abstract

The utility model relates to a storage yard dust fall equipment. Comprises two opposite walking components, and a bracket component is arranged on each walking component; the walking assembly comprises two ground rails, a chassis is arranged on the ground rails, a left group of idler wheels and a right group of idler wheels are arranged at the bottom of the chassis, a driving gear is further arranged in the middle of the bottom of the chassis, and the driving gear is meshed with a rack arranged between the two ground rails; the bracket component comprises an upper bracket, a middle bracket and a bottom box body; the top parts of the upper brackets of the two bracket assemblies are respectively provided with a side part supporting arm, and a top part supporting arm is arranged between the upper ends of the two side part supporting arms; side lower spraying components are arranged on the inner sides of the two bracket components, and side upper spraying components are arranged on the inner sides of the side support arms; the side upper spray assembly is hinged with the side support arm, and the side upper spray assembly further comprises a traction assembly which drives the two side upper spray assemblies to do tilting motion respectively. The utility model discloses possess from the walking ability, save the water source, spray to the windrow and cover effectually.

Description

Dust settling equipment for storage yard

Technical Field

The utility model belongs to the technical field of the raise dust control facility, especially, relate to a storage yard dust fall equipment.

Background

Storage yards are usually provided in concrete mixing plants, power plants and other places for stacking and storing concrete mixing raw materials, pulverized coal fuel and the like, and the stored raw materials are gradually put into production activities according to production processes. A large amount of dust is usually generated in the processes of loading, unloading and transporting raw materials, and the dust drifts into the surrounding environment to cause certain dust hazards, such as pneumoconiosis easily caused after the dust is inhaled into the lung, poisoning easily caused after toxic dust is inhaled, and the like. With the improvement of environmental governance, the standard control and governance of the dust emission of the storage yard become one of important environmental governance means.

Will help controlling the raise dust through set up dust fall equipment at the storage yard, under the effect of dust fall equipment, the route of raise dust expansion is blocked, and further the raise dust should subside to ground, finally reaches the effect of dust fall. The existing dust settling device is a water spraying device generally, a common operation mode is that a high-pressure water spraying pipe is adopted to spray water in a large amount in a storage yard, the position of the water spraying can be on the surface of a material pile, the side part of the material pile and the path of a vehicle, and the surface of the material pile and the path of the vehicle are prevented from being wetted, so that dust is prevented from being generated in the material pile in the loading, unloading and transferring processes.

The dust settling equipment has the following defects: firstly, the dust settling equipment with the structure consumes a large amount of water, and is not in accordance with the concept of energy conservation and environmental protection because the dust settling equipment does not adopt an atomizing spraying mode, so that the consumption of a water source is large; secondly, the spraying mode completely depends on the habit and responsibility of an operator, and when the operation is improper, the dust control effect is poor; moreover, the spraying mode of above-mentioned dust fall equipment can only carry out the large water volume to the individual position of storage yard and spray, and can not realize spraying to whole stockpile, and the stockpile volume of storage yard is comparatively huge usually in fact, and length can reach hectometer, highly can reach tens meters, and the dust fall effect that general miniaturized dust fall equipment provided is difficult to satisfy the requirement. Therefore, the structure of the dust settling equipment needs to be optimally designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide one kind possess from the walking ability, save the water source, spray the material pile and cover effectual storage yard dust fall equipment.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a storage yard dust fall device comprises two opposite walking components, wherein each walking component is provided with a bracket component; the walking assembly comprises two parallel ground rails arranged on the ground, a chassis is arranged on the ground rails, a left group of idler wheels and a right group of idler wheels are arranged at the bottom of the chassis, the two groups of idler wheels respectively roll along the two ground rails, a driving gear is also arranged at the middle position of the bottom of the chassis, the driving gear is in meshing transmission with a rack arranged between the two ground rails, and a walking speed reducer for driving the driving gear to rotate is also arranged on the outer side of the chassis; the bracket component comprises an upper bracket, a middle bracket and a bottom box body, wherein the bottom of the upper bracket is fixedly connected with the top of the middle bracket, the bottom of the middle bracket is fixedly connected with the top of the bottom box body, and the bottom of the bottom box body is fixedly connected with the top of the chassis; side supporting arms with the upper ends inclined inwards are fixedly arranged at the tops of the upper supports of the two support assemblies, and a top supporting arm is fixedly arranged between the upper ends of the two side supporting arms; the inner sides of the two bracket components are respectively provided with a lower side spraying component, the inner side of each side part supporting arm is provided with an upper side spraying component, and the lower side spraying component and the upper side spraying component are both connected to a high-pressure water source through high-pressure water pipes; the side upper spray assembly is hinged with the side support arm, and the side upper spray assembly further comprises a traction assembly which drives the two side upper spray assemblies to do tilting movement respectively.

The utility model has the advantages that: the utility model provides a storage yard dust fall equipment that structural design is reasonable compares with current dust fall equipment, the utility model provides an automatic change complete sets of operation mode is used for replacing the dust fall equipment of the current semi-automatization form that relies on artifical participation very, and this equipment does not rely on artifical the participation at the operation in-process, has consequently saved the cost of labor, has also avoided inefficiency, dangerous scheduling problem under the artifical dust fall mode. Through setting up two bracket components, two lateral part support arms and a top support arm, make this dust fall equipment possess a confined frame construction, about two sets of side spray assembly spray to the inboard under, about two sets of side spray assembly spray to inboard below to the one side on, then formed the water curtain in frame construction's inner space, realized the all-round cover to raise dust in the below space range, it is effectual to cover. Lie in two walking subassemblies through setting up above-mentioned frame construction, make this dust fall equipment possess the ability from walking, at the in-process of this dust fall equipment along set route walking, above-mentioned water curtain carries out continuous atomizing to subaerial stockpile and sprays, consequently can make the raise dust in the stockpile top space receive spray and the dust fall, therefore the surface of humidifying dust fall again at the stockpile has further prevented the stockpile from producing the raise dust again. The span of this dust fall equipment is great, consequently also can not weaken the effect of dust fall to bulky stockpile. Because the water curtain type and continuous type dust settling modes are adopted, a good dust settling effect can be achieved without adding too much water source like the existing equipment, the water source is saved, and the concept of energy conservation and environmental protection is met.

Preferably: the side lower spraying assembly comprises a first water pipe, the first water pipe is fixedly connected with the upper support on the side where the first water pipe is located by adopting a plurality of support rods, and a plurality of first atomizing nozzles are installed on the side wall, facing the inner side, of the first water pipe; the side upper spray assembly comprises a second water pipe, and a plurality of second atomizing nozzles are mounted on the side wall of the second water pipe facing the inner side.

Preferably: the traction assembly comprises a winch arranged on the outer side of the upper part of the upper support, a pulley arranged in the middle of the inner side of the side support arm and a traction rope; the lower end of a second water pipe of the side upper spraying assembly is hinged with the lower part of the side support arm on the side, a tension spring is arranged between the upper end of the second water pipe and the upper part of the side support arm on the side, the lower end of a traction rope is connected with a winch, and the middle part of the traction rope is connected to the upper end of the second water pipe of the opposite side upper spraying assembly through a pulley on the side and the upper end of the traction rope.

Preferably: the walking assembly further comprises a bottom plate which is paved on the ground and fixed with the ground through a ground anchor nail, and the two ground rails and the rack are fixedly installed on the bottom plate.

Preferably: the injection component is arranged in the bottom box body; the jetting subassembly includes the air compressor machine, and the intake pipe of air compressor machine wears out through seting up the tube hole on the bottom box lateral wall, installs a plurality of jetting branch pipes on the gas outlet of air compressor machine, and each jetting branch pipe is worn out and indicates ground rail and the rack below by seting up in the tube hole on the bottom box lateral wall.

Preferably: the blowing direction of each blowing branch pipe faces the inner side of the oblique lower part.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the base unit of FIG. 1;

FIG. 3 is a schematic view of the arm arrangement of FIG. 1;

fig. 4 is a schematic view of the working state structure of the present invention.

In the figure: 1. a walking assembly; 1-1, a traveling speed reducer; 1-2, ground rail; 1-3, a driving gear; 1-4, a rack; 1-5, a bottom plate; 1-6, rollers; 1-7, a chassis; 2. a blowing assembly; 2-1, an air inlet pipe; 2-2, an air compressor; 2-3, blowing and pipe distribution; 3. a bracket assembly; 3-1, an upper bracket; 3-2, a middle bracket; 3-3, a bottom box body; 4. a side down spray assembly; 4-1, a support rod; 4-2, a first atomizing nozzle; 4-3, a first water pipe; 5. a winch; 6. a lateral support arm; 7. a side-up spray assembly; 7-1, a second water pipe; 7-2, a second atomization nozzle; 8. a pulley; 9. a tension spring; 10. a traction rope; 11. a top support arm; 12. and (5) stacking.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the storage yard dust settling apparatus of the present invention includes two opposite traveling assemblies 1, and a bracket assembly 3 is installed on each traveling assembly 1, wherein the traveling assemblies 1 are used for the entire dust settling apparatus to travel along a predetermined route, and the bracket assembly 3 is mainly used for supporting the accessory parts.

Referring to fig. 2, it can be seen that: the walking assembly 1 comprises two parallel ground rails 1-2 arranged on the ground, a chassis 1-7 is arranged on the ground rails 1-2, a left group of idler wheels 1-6 and a right group of idler wheels 1-6 are arranged at the bottom of the chassis 1-7, the two groups of idler wheels 1-6 respectively roll along the two ground rails 1-2, a driving gear 1-3 is further arranged at the middle position of the bottom of the chassis 1-7, the driving gear 1-3 is in meshing transmission with a rack 1-4 arranged between the two ground rails 1-2, and a walking speed reducer 1-1 for driving the driving gear 1-3 to rotate is further arranged on the outer side of the chassis. The walking speed reducer 1-1 is arranged on the outer side, so that the walking speed reducer is far away from the inner dusty severe environment (the material pile is positioned on the inner side) as far as possible, and the running reliability of the walking speed reducer 1-1 can be ensured.

The stability of the chassis 1-7 during the transverse movement can be improved by selectively arranging the two parallel ground rails 1-2, and the chassis 1-7 can move more smoothly on the two ground rails 1-2 by arranging the left and right groups of rollers 1-6 at the bottom of the chassis 1-7 and enabling the two groups of rollers 1-6 to respectively move along the one ground rail 1-2 in a rolling manner. The driving gear 1-3 is a walking wheel, the driving gear 1-3 stably rotates at a low speed under the driving action of low speed and high torque of the walking speed reducer 1-1, and the rack 1-4 is fixed, so that the driving movement of the whole dust-settling equipment is realized through the meshing transmission connection between the driving gear 1-3 and the rack 1-4.

Specifically, the chassis 1-7 can be obtained by integral casting molding, and can also be obtained by welding molding of metal pipe profiles and metal plate profiles, so that the integral structural strength is ensured. A left spindle seat and a right spindle seat are arranged in the middle of the bottom of a chassis 1-7, a rotating shaft on a driving gear 1-3 is installed on the two spindle seats, one end of the rotating shaft extends to the outer side of the chassis 1-7, and an output shaft of a walking speed reducer 1-1 installed on the outer side of the chassis 1-7 is in butt joint connection with the outer end of the rotating shaft, so that power transmission is achieved. Two mounting grooves of two groups of rollers 1-6 are reserved on two sides of the bottom of the chassis 1-7, the upper parts of the ground rails 1-2 also extend into the mounting grooves, shaft seats of the rollers 1-6 can be arranged on two sides of the bottom of the mounting grooves, and two ends of a rotating shaft of each roller 1-6 are respectively positioned in the shaft seats on two sides. The driving gear 1-3 of each walking assembly 1 is one, the number of each group of rollers 1-6 can be multiple, and the rollers are sequentially arranged along the length direction of the ground rail 1-2, so that the stability of the chassis 1-7 in the translational movement along the ground rail 1-2 can be ensured.

It is worth noting that the two sets of traveling assemblies 1 are arranged to ensure that the dust settling device has sufficient self-driving force, and the traveling speeds of the two traveling assemblies 1 need to be kept relatively consistent under the control of the controller, which can be realized by supplying equal large driving current to the two traveling speed reducers 1-1 by the controller. On the other hand, as the dust settling equipment can move without controlling the position precision, namely, the dust settling equipment can reciprocate, the tooth pitches of the driving gear 1-3 and the rack 1-4 can be set to be larger, the matching does not need to be particularly precise, the larger tooth pitch enables the driving gear 1-3 and the rack 1-4 to have certain self-adaptive energy-saving force in the process of meshing transmission, the larger tooth pitch is not easy to be blocked by dust and the like, the dust settling equipment works in a relatively severe environment, the adaptive capacity of the equipment in the severe environment can be improved through the design, and the failure rate is reduced.

The walking component 1 also comprises a bottom plate 1-5 which is paved on the ground and fixed with the ground by adopting a ground anchor nail, and the two ground rails 1-2 and the racks 1-4 are all arranged and fixed on the bottom plate 1-5. The ground is usually soft, so the bottom plate 1-5 is arranged to provide a stable enough supporting function for the ground rail 1-2 and the rack 1-4, and in order to further improve the stability and the supporting function of the structure, a layer of concrete can be pre-cast on the ground, and the bottom plate 1-5 is arranged on the concrete layer by adopting ground anchor nails.

Referring to fig. 2, the bracket assembly 3 includes an upper bracket 3-1, a middle bracket 3-2 and a bottom box 3-3, the bottom of the upper bracket 3-1 is fixedly connected to the top of the middle bracket 3-2, the bottom of the middle bracket 3-2 is fixedly connected to the top of the bottom box 3-3, and the bottom of the bottom box 3-3 is fixedly connected to the top of the chassis 1-7, and the positions of the above-mentioned fixed connections may be welded to ensure the structural strength of the fixed connections. The upper support 3-1 and the middle support 3-2 can be of metal truss structures, the bottom box body 3-3 is formed by building and welding thick metal plates, and the support component 3 provides enough support capacity for the auxiliary components.

Side arms 6 with upper ends inclined inward are mounted and fixed on the tops of the upper brackets 3-1 of the two bracket assemblies 3, and a top arm 11 is mounted and fixed between the upper ends of the two side arms 6. Both the side arms 6 and the top arms 11 are of metal truss structures, the lower ends of the side arms 6 are welded and fixed with the top of the upper support 3-1, and the outer ends of the top arms 11 are welded and fixed with the upper ends of the side arms 6, so that the two support assemblies 3, the two side arms 6 and the top arm 11 together form a closed (regardless of the bottom) frame structure.

On the inner side of both bracket assemblies 3, side down spray assemblies 4 are mounted, see fig. 2, where it can be seen that: the side lower spraying component 4 comprises a first water pipe 4-3, the first water pipe 4-3 is fixedly connected with an upper support 3-1 on the side of the first water pipe 4-3 through a plurality of support rods 4-1, a plurality of first atomizing nozzles 4-2 are installed on the side wall of the first water pipe 4-3 facing the inner side, the first water pipe 4-3 is a hard metal pipe, the upper end of the first water pipe is sealed, the lower end of the first water pipe is connected to a high-pressure water source through a high-pressure water pipe, each first atomizing nozzle 4-2 is welded and installed on the inner side wall of the first water pipe 4-3, and the high-pressure water source in the first water pipe 4-3 is atomized and sprayed out towards the inner side through each first atomizing nozzle.

On the inside of each side arm 6 is mounted a side spray assembly 7, see fig. 3, which can be seen: the side upper spray assembly 7 comprises a second water pipe 7-1, a plurality of second atomizing nozzles 7-2 are mounted on the side wall of the second water pipe 7-1 facing the inner side, the second water pipe 7-1 is a hard metal pipe, the upper end of the second water pipe is sealed, the lower end of the second water pipe is connected to a high-pressure water source through a high-pressure water pipe, each second atomizing nozzle 7-2 is welded and mounted on the side wall of the inner side of the second water pipe 7-1, and the high-pressure water source in the second water pipe 7-1 is atomized and sprayed out to the inner side through each second atomizing nozzle 7-2.

The side upper spray assembly 7 is hinged with the side support arm 6, and the side upper spray assembly further comprises a traction assembly which respectively drives the two side upper spray assemblies 7 to do tilting motion. Driven by the traction assembly, the side upper spray assembly 7 rotates up and down in a tilting mode by taking the position hinged with the side support arm 6 as a center, and then the side upper spray assembly 7 rotates in a tilting mode to be close to the side support arm 6 and far away from the side support arm 6.

In this embodiment, please refer to fig. 3, which can show that: the traction assembly comprises a winch 5 arranged on the outer side of the upper part of the upper support 3-1, a pulley 8 arranged on the middle part of the inner side of the side support arm 6 and a traction rope 10. The lower end of a second water pipe 7-1 of the side upper spraying assembly 7 is hinged with the lower part of the side support arm 6 at the side, specifically, a shaft sleeve can be welded and installed on the outer side wall of the lower end of the second water pipe 7-1, a central shaft is welded and installed on the inner side of the side support arm 6, and the shaft sleeve of the second water pipe 7-1 is sleeved on the central shaft of the side support arm 6. A tension spring 9 is arranged between the upper end of the second water pipe 7-1 and the upper part of the side part support arm 6 at the side, the lower end of a traction rope 10 is connected with (wound and unwound by) a winding drum of the winch 5, the middle part of the traction rope is connected to the upper end of the second water pipe 7-1 of the spraying component 7 on the opposite side through a pulley 8 at the side, and the upper end of the traction rope is connected to the upper end of the second water pipe 7-1 of the spraying component 7 on the opposite side, namely the traction component at the side is used for.

The advantage of installing the hoist 5 outside the upper portion of the upper bracket 3-1 is that it is kept away from the inner dusty and water curtain harsh environment (the windrow is inside) as far as possible, thus ensuring the reliability of the operation of the hoist 5.

In view of the fact that dust and even sand easily fall on the ground rails 1-2 and the racks 1-4 in a dust environment, which may cause the walking assembly 1 to walk unsmoothly, the embodiment further comprises a blowing assembly 2 for blowing the ground rails 1-2 and the racks 1-4.

Referring to fig. 2, it can be seen that: the blowing component 2 is arranged in the bottom box body 3-3, so that the bottom box body 3-3 is protected; the blowing component 2 comprises an air compressor 2-2, an air inlet pipe 2-1 of the air compressor 2-2 penetrates out of a pipe hole formed in the side wall of the bottom box body 3-3, outside air enters the air compressor 2-2 through the air inlet pipe 2-1, and a filter can be arranged on the air inlet pipe 2-1 and used for filtering dust in the air and preventing the dust from entering the air compressor 2-2. A plurality of blowing branch pipes 2-3 are arranged on an air outlet of the air compressor 2-2, and each blowing branch pipe 2-3 penetrates through a pipe hole arranged on the side wall of the bottom box body 3-3 and points to a ground rail 1-2 and a rack 1-4 downwards. The air compressor 2-2 is used for generating high-pressure compressed air, the compressed air is stored in the air bottle, in the process of transverse movement of the dust-settling equipment, the electromagnetic valves on the blowing branch pipes 2-3 are opened at regular time, the compressed air is sprayed out from the blowing branch pipes 2-3 at a high speed, the compressed air is blown to the ground rails 1-2 and the racks 1-4 below, deposited dust and sand grains are blown away, and the surfaces of the ground rails 1-2 and the racks 1-4 are kept relatively clean.

In consideration of the fact that the blowing component 2 generates certain dust around in the blowing process, in the embodiment, the blowing direction of each blowing branch pipe 2-3 is arranged to face towards the inner side of the inclined lower direction, namely, the dust blown off from the ground rail 1-2 and the rack 1-4 is blown to the inner side and enters the spraying area, and the dust is dusted together with the raised dust in the air. In order to further ensure the directivity in the blowing process, each blowing branch pipe 2-3 can extend out of the bottom box body 3-3 for a certain length and is made of a thin-wall metal pipe, so that each blowing branch pipe 2-3 can be bent according to actual needs, and the fine control of the blowing direction is realized.

The assembling method comprises the following steps:

laying a bottom plate 1-5 on the ground, and fixedly welding a ground rail 1-2 and a rack 1-4 on the bottom plate 1-5; combining a chassis 1-7, rollers 1-6, a driving gear 1-3 and a walking speed reducer 1-1 to form a combined body, placing the combined body on a ground rail 1-2, enabling the upper part of the ground rail 1-2 to fall into an installation groove, and enabling the driving gear 1-3 to be in meshing transmission with a rack 1-4;

welding and installing a bottom box body 3-3 on a chassis 1-7, welding and installing a middle support 3-2 on the bottom box body 3-3, welding and installing an upper support 3-1 on the middle support 3-2, welding and installing side support arms 6 on the upper parts of the two upper supports 3-1, and welding and installing a top support arm 11 between the two side support arms 6;

a lower side spray assembly 4 is arranged on the inner side of the upper bracket 3-1, and an upper side spray assembly 7 is arranged on the inner side of the side support arm 6; a winch 5 is arranged on the outer sides of the two upper supports 3-1, pulleys 8 are arranged in the middle of the inner sides of the two side support arms 6, and a tension spring 9 is arranged between the upper end of the second water pipe 7-1 and the upper end of the side support arm 6; a traction rope 10 extended from the hoist 5 is connected to the upper end of the opposite second water pipe 7-1 after passing around the sheave 8;

the lower side spray assembly 4 and the upper side spray assembly 7 are connected to a high pressure water source through high pressure water pipes.

The working mode is as follows:

referring to fig. 4, the material pile 12 is located between two sets of ground rails 1-2, and normally, the material pile is arranged in a straight strip shape in the storage yard, and the material pile is taken from one end of the strip-shaped material pile 12 when taken, and is taken along the extending direction of the material pile 12 until used up;

after the dust settling equipment is started, the whole equipment travels along the length direction of the material pile 12, in the traveling process, the lower side spraying component 4 and the upper side spraying component 7 spray water to the inner side of the frame structure in a spraying state to form a water curtain formed by water mist, and the water curtain moves along the length direction of the material pile 12 to perform dust settling treatment on the surface of the material pile 12 and dust in a space between the material pile 12 and the frame structure; the spraying and dust-settling process can be repeated, that is, the dust-settling equipment periodically reciprocates along the length direction of the material pile 12 to implement continuous dust-settling treatment; the key position of the dust fall is the material taking end of the material pile 12, and the vehicle takes the raw materials at the material taking end to be the main movement for generating the dust fall, so that when the vehicle takes the materials at the material taking end, the dust fall equipment moves to the end and stays for enough time in the material taking process, and the dust fall effect is ensured;

above-mentioned pull the subassembly and be used for pulling down suitable height with spray assembly 7 on two sides, like this to the stockpile 12 of co-altitude, can make spray assembly 7 on the side as far as possible apart from the near some in surface of stockpile 12 through above-mentioned pulling activity, also be exactly when stockpile 12 is higher, pull the subassembly and unreel to pulling rope 10, under extension spring 9's effect, spray assembly 7 on the side verts and rises, otherwise then verts and descends, guarantees more excellent dust fall treatment effect.

Claims (6)

1. The utility model provides a storage yard dust fall equipment, characterized by: comprises two opposite walking components (1), and a bracket component (3) is arranged on each walking component (1); the walking assembly (1) comprises two parallel ground rails (1-2) arranged on the ground, a chassis (1-7) is arranged on the ground rails (1-2), a left group of idler wheels (1-6) and a right group of idler wheels (1-6) are arranged at the bottom of the chassis (1-7), the two groups of idler wheels (1-6) respectively roll along the two ground rails (1-2), a driving gear (1-3) is further arranged at the middle position of the bottom of the chassis (1-7), the driving gear (1-3) is in meshing transmission with a rack (1-4) arranged between the two ground rails (1-2), and a walking speed reducer (1-1) for driving the driving gear (1-3) to rotate is further arranged on the outer side of the chassis (1-7); the bracket component (3) comprises an upper bracket (3-1), a middle bracket (3-2) and a bottom box body (3-3), wherein the bottom of the upper bracket (3-1) is fixedly connected with the top of the middle bracket (3-2), the bottom of the middle bracket (3-2) is fixedly connected with the top of the bottom box body (3-3), and the bottom of the bottom box body (3-3) is fixedly connected with the top of the chassis (1-7);

side support arms (6) with the upper ends inclined inwards are installed and fixed on the tops of the upper supports (3-1) of the two support assemblies (3), and a top support arm (11) is installed and fixed between the upper ends of the two side support arms (6); the inner sides of the two bracket components (3) are respectively provided with a lower side spraying component (4), the inner side of each side support arm (6) is provided with an upper side spraying component (7), and the lower side spraying components (4) and the upper side spraying components (7) are connected to a high-pressure water source through high-pressure water pipes; the side upper spray assembly (7) is hinged with the side support arm (6) and also comprises a traction assembly which respectively drives the two side upper spray assemblies (7) to do tilting movement.

2. The storage yard dustfall apparatus of claim 1, wherein: the side lower spraying assembly (4) comprises a first water pipe (4-3), the first water pipe (4-3) is fixedly connected with an upper support (3-1) on the side where the first water pipe (4-1) is located by adopting a plurality of support rods (4-1), and a plurality of first atomizing nozzles (4-2) are installed on the side wall, facing the inner side, of the first water pipe (4-3); the side upper spray assembly (7) comprises a second water pipe (7-1), and a plurality of second atomizing nozzles (7-2) are installed on the side wall, facing the inner side, of the second water pipe (7-1).

3. The storage yard dustfall apparatus of claim 2, wherein: the traction assembly comprises a winch (5) arranged on the outer side of the upper part of the upper support (3-1), a pulley (8) arranged in the middle of the inner side of the side support arm (6) and a traction rope (10); the lower end of a second water pipe (7-1) of the side upper spraying assembly (7) is hinged with the lower part of the side support arm (6) of the side, a tension spring (9) is arranged between the upper end of the second water pipe (7-1) and the upper part of the side support arm (6) of the side, the lower end of a traction rope (10) is connected with a winch (5), the middle part of the traction rope is connected to the upper end of the second water pipe (7-1) of the opposite side upper spraying assembly (7) through a pulley (8) of the side.

4. The storage yard dustfall apparatus of claim 3, wherein: the walking assembly (1) further comprises a bottom plate (1-5) which is paved on the ground and fixed with the ground by adopting a ground anchor nail, and the two ground rails (1-2) and the racks (1-4) are installed and fixed on the bottom plate (1-5).

5. The storage yard dustfall apparatus of claim 4, wherein: the device also comprises a blowing component (2) for blowing the ground rail (1-2) and the rack (1-4), wherein the blowing component (2) is arranged in the bottom box body (3-3); the blowing component (2) comprises an air compressor (2-2), an air inlet pipe (2-1) of the air compressor (2-2) penetrates out of a pipe hole formed in the side wall of the bottom box body (3-3), a plurality of blowing branch pipes (2-3) are mounted on an air outlet of the air compressor (2-2), and each blowing branch pipe (2-3) penetrates out of the pipe hole formed in the side wall of the bottom box body (3-3) and points to a ground rail (1-2) and a rack (1-4) downwards.

6. The storage yard dustfall apparatus of claim 5, wherein: the blowing direction of each blowing branch pipe (2-3) faces towards the inner side of the inclined lower part.

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