CN218459010U - But spray dust fall enclosure - Google Patents

Abstract

The application relates to a sprayable dust fall enclosure, which relates to the field of construction enclosure and comprises a keel frame, wherein a plurality of isolation plates are arranged on the keel frame, a plurality of supporting systems are arranged on the isolation plates, each supporting system comprises a mounting ring, a connecting plate and a fixed plate, the mounting rings are fixedly connected with the connecting plates, one ends of the connecting plates are fixedly connected with one ends of the fixed plates and are mutually vertical, and one side of each connecting plate is fixedly connected with the isolation plate; a spraying system for spraying and reducing dust is arranged on the fixed plate; the spraying system comprises a spraying head and a conveying pipe connected with the spraying head, the spraying head is provided with a plurality of conveying pipes, the conveying pipes are arranged in the mounting ring in a penetrating mode, and the mounting ring is right for compressing and fixing the conveying pipes. This application has the effect that reduces water pipe surface damage.

Description

But spray dust fall enclosure

Technical Field

The utility model belongs to the technical field of the technique that the fender was enclosed in the construction and specifically relates to a but spray dust fall enclosure is related to.

Background

Before being under construction to the building site, need use the bounding wall to separate construction area and external world in the construction, make the construction place become a space of relative confined, guarantee construction safety, and can produce the dust when the construction, consequently need spray equipment to carry out the dust fall.

At present, the equipment that sprays commonly used includes the division board, is provided with the backup pad on the division board, and one side that ground was kept away from to the backup pad is provided with the limiting plate, and threaded connection has fastening bolt on the limiting plate, and fastening bolt wears to establish on the limiting plate, is provided with the equipment that sprays in the backup pad, and the equipment that sprays includes water pipe and water supply assembly. When the installation spray assembly, place the water pipe in the backup pad, rotatory fastening bolt makes water pipe and fastening bolt and the equal butt of division board after that to fixed water pipe.

In view of the above-mentioned related art, the inventor believes that the water pipe is placed on the support plate and fixed by the fastening screw, the water pipe can only use a hard water pipe, and in the installation process, the water pipe can be bent in different degrees according to the locking degree of the fastening screw, so that the surface of the water pipe is damaged.

SUMMERY OF THE UTILITY MODEL

In order to reduce the surface damage of water pipe, this application provides a dust fall enclosure can spray.

The application provides a can spray dust fall enclosure adopts following technical scheme:

a sprayable dust fall enclosure comprises a keel frame, wherein a plurality of isolation plates are arranged on the keel frame, a plurality of supporting systems are arranged on the isolation plates, each supporting system comprises a mounting ring, a connecting plate and a fixing plate, the mounting rings are fixedly connected with the connecting plates, one ends of the connecting plates are fixedly connected with one ends of the fixing plates and are mutually perpendicular, and one side of each connecting plate is fixedly connected with the isolation plate; a spraying system for spraying and reducing dust is arranged on the fixed plate; the spraying system comprises a spraying head and a conveying pipe connected with the spraying head, the spraying head is provided with a plurality of conveying pipes, the conveying pipes are arranged in the mounting ring in a penetrating mode, and the mounting ring is right for compressing and fixing the conveying pipes.

By adopting the technical scheme, the keel frame has stronger stability, and the isolation plate is arranged on the keel frame, so that the stability of the enclosure wall is improved; on the site, because the construction can produce a large amount of dusts, not only can harm the healthy of workman, also can cause the influence to the construction field of vision simultaneously, consequently, need use spraying system to carry out the dust fall to the job site at the construction site. The supporting system provides an installation position for the spraying system, the spraying system carries out dust fall on a construction site through spraying water, and the number of the spraying heads can be determined according to the area of the construction site. When installing dust fall enclosure can spray, fix braced system on the division board, wear to establish the conveyer pipe in the installation ring and be used for fixed conveyer pipe after that, install the shower head on the conveyer pipe at last.

The conveying pipe is arranged in the mounting ring in a penetrating mode and fixed, and compared with fastening screws, the conveying pipe fixing device increases the contact area of the mounting ring and the conveying pipe, and reduces the damage to the surface of the conveying pipe in the pressing process. Not only can wear to establish the mounting ring with the stereoplasm water pipe and supply water, can also use soft water pipe to supply water to the shower head moreover, enlarged conveying pipe material's application scope.

Optionally, two mounting holes are formed in the fixing plate, the mounting ring is in a semicircular ring shape, adjusting rods are fixedly mounted at two ends of the mounting ring, the adjusting rods penetrate through the mounting holes, external threads are arranged on the adjusting rods, adjusting nuts are arranged on the adjusting rods, the adjusting nuts are in threaded connection with the adjusting rods, and when the mounting ring is used for pressing and fastening the conveying pipe, the tops of the adjusting nuts are abutted to the bottom of the fixing plate.

Through adopting above-mentioned technical scheme, the cooperation of adjusting pole, adjusting nut and collar uses the installation of the conveyer pipe of being convenient for, wears to establish the conveyer pipe behind the installation pipe, makes adjusting nut's top and the bottom butt of fixed plate through rotatory adjusting nut to it is fixed to make the collar compress tightly the conveyer pipe. When the size of the conveying pipe changes, the diameter of the conveying pipe is equal to or smaller than that of the mounting ring, the adjusting rod and the adjusting nut are matched to adjust the size of the mounting ring, and the application range of the size of the conveying pipe is expanded.

Optionally, the support system further comprises a limiting block for preventing the adjusting nut from falling off, a limiting hole is formed in the side face of the adjusting rod, and the limiting block is arranged in the limiting hole in a penetrating mode and detachably connected with the adjusting rod.

Through adopting above-mentioned technical scheme, wear to establish the stopper in spacing downthehole, can prevent that adjusting nut from dropping from adjusting the pole, can't compress tightly the conveyer pipe, the stopper is connected the dismantlement of the collar of being convenient for with dismantling of adjusting the pole simultaneously.

Optionally, the spray header adopts a rotary atomizing spray head.

Through adopting above-mentioned technical scheme, adopt rotatory atomizer for fixed shower nozzle, increased the spray area of shower head to reduce the quantity of shower head, be convenient for spray system's installation.

Optionally, the spray header includes protecting crust and nozzle, offer on the protecting crust and be used for the jet orifice that the nozzle sprays, be provided with on the protecting crust and be used for covering the elastic film of jet orifice, set up on the elastic film and allow water spun delivery port, when water follow spout in the nozzle, the delivery port is in the open mode, when water stops spouting, the delivery port is in the closed mode under the effect of elasticity.

Through adopting above-mentioned technical scheme, the protecting crust is used for reducing the damage of nozzle, sets up elastic film on the protecting crust and is used for avoiding the dust to block up the nozzle, influences the normal work of shower head. The elastic film is provided with a water outlet for water spraying, when water is sprayed out, the water outlet is in an open state under the action of water impact, when water stops spraying, the water outlet is in a closed state under the action of the elastic force of the elastic film, and the spray head can work normally.

Optionally, the water outlet is a water spraying seam arranged on the elastic film, the number of the water spraying seams is at least two, and the water spraying seams intersect at the same position.

By adopting the technical scheme, the at least two water spraying seams are intersected at the same position, and under the action of the impulsive force of water, the elastic film is relatively overturned to spray water out of the water spraying seams, so that the influence on the spraying range is reduced.

Optionally, the spraying system further includes a movable spraying assembly for enlarging a spraying range, and the movable spraying assembly includes a water inlet pipe communicated with the conveying pipe, a movable nozzle connected with the water inlet pipe, and a driving member for driving the movable nozzle to move.

Through adopting above-mentioned technical scheme, because construction materials such as haulage earth, the dust can be filled in the air at the job site, surpasss the spray range of shower head, will remove and spray the subassembly and install and spray in the top of shower head to the dust fall scope has been enlarged. The driving piece drives the movable spray head to move, so that the using number of the spray heads is reduced.

Optionally, the driving piece including set up in mounting panel on the division board and edge the gliding deflector of mounting panel, fixedly connected with rack on the mounting panel, deflector fixedly connected with driving motor, driving motor's output fixedly connected with the driven gear of rack toothing, be provided with on the mounting panel with rack parallel arrangement's guide rail, install on the guide rail with guide rail sliding connection's slider, the slider with deflector fixed connection, remove the shower nozzle with deflector fixed connection.

By adopting the technical scheme, the driving motor drives the gear to rotate, so that the gear relatively slides along the length direction of the rack, and the guide rail and the sliding block are used for limiting the moving direction of the guide plate, so that the moving spray head on the guide plate moves along the length direction of the guide rail, and the spraying range of the moving spray head is further expanded.

Optionally, a switch valve is installed on the water inlet pipe.

Through adopting above-mentioned technical scheme, install the ooff valve on the inlet tube, can select the operating condition who removes the shower nozzle according to the concentration of job site dust, make the use of removing the shower nozzle have the randomness.

Optionally, the top of the keel frame is provided with a shielding plate for reducing water flow to spray to the outside.

By adopting the technical scheme, in the work engineering of the spray header, inevitable water can be sprayed outside the enclosing wall along the isolation plate, and the use of the shielding plate can reduce the spraying of water flow to the outside.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the limiting ring is arranged on the fixing plate, the conveying pipe is arranged in the water pipe in a penetrating mode and is fixed through the rotary bolt, and therefore damage to the surface of the conveying pipe is reduced; meanwhile, the mounting ring can be used for not only enabling the hard water pipe to be arranged in the mounting ring in a penetrating mode for water supply, but also enabling the soft water pipe to be used for water supply of the spray header, and the application range of the conveying pipe material is expanded.

2. The elastic film can shield the nozzle to prevent the nozzle from being blocked by dust, meanwhile, when the nozzle sprays water, the water outlet is in an open state under the impulsive force of water, when the nozzle stops spraying water, the water outlet is in a closed state under the action of the elastic force of the elastic film, and the arrangement of the water outlet does not influence the normal use of the nozzle;

3. the driving piece drives the nozzle to move along the length direction of the guide rail, and dust falling treatment is carried out on the top of the spray head through sprayed water, so that the dust falling range is enlarged.

Drawings

Fig. 1 is a schematic structural diagram of a sprayable dust-settling enclosure in embodiment 1 of the present application;

FIG. 2 is a schematic structural view of a support system according to embodiment 1 of the present application;

fig. 3 is an exploded view of a support system according to embodiment 1 of the present application;

FIG. 4 is an enlarged view of the point A in FIG. 3 in accordance with embodiment 1 of the present application;

fig. 5 is a cross-sectional view of a sprayable dust-settling enclosure of embodiment 1 of the present application;

FIG. 6 is an exploded view of a showerhead according to example 1 of the present application;

fig. 7 is a schematic structural diagram of a sprayable dust-settling enclosure according to embodiment 2 of the present application;

FIG. 8 is an exploded view of the moving jet assembly of example 2 of the present application;

fig. 9 is an enlarged view of the embodiment 2 of the present application at B in fig. 7.

Description of reference numerals: 1. a keel frame; 11. a support pillar; 12. connecting columns; 2. a separator plate; 21. a shielding plate; 3. a support system; 31. a connecting plate; 32. a fixing plate; 321. mounting holes; 33. a mounting ring; 34. adjusting a rod; 341. a limiting hole; 35. adjusting the nut; 36. a limiting block; 4. a spray system; 41. a delivery pipe; 42. a shower head; 421. a protective shell; 4211. an injection hole; 422. a nozzle; 423. an elastic film; 4231. water spraying seams; 43. a water supply assembly; 431. a water storage tank; 432. a delivery pump; 44. moving the jetting assembly; 441. a water inlet pipe; 4411. an on-off valve; 442. moving the spray head; 443. a drive member; 4431. mounting a plate; 4432. a guide plate; 4433. a rack; 4434. a drive motor; 4435. a gear; 4436. a guide rail; 4437. a slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

In the case of the example 1, the following examples are given,

the embodiment of the application discloses a dust fall enclosure can spray. Referring to fig. 1, a dust fall enclosure can spray includes keel frame 1, is provided with a plurality of division board 2 on keel frame 1, installs a plurality of braced system 3 on division board 2, is provided with spraying system 4 on braced system 3.

Keel frame 1 is including being a plurality of support column 11 that vertical direction set up, at every two support column 11 all fixed spliced poles 12 that are the horizontal direction that are provided with, spliced pole 12 distributes along 11 length direction equidistance of support column, all through screw fixedly connected with division board 2 between per two spliced poles 12, the both ends of division board 2 all with support column 11 fixed connection, be provided with on the top of support column 11 and be used for reducing shielding plate 21 that spraying system 4 sprayed to the external world, the contained angle that shielding plate 21 and division board 2 formed is the obtuse angle. Keel frame 1 has improved the stability that can spray the dust fall enclosure, has reduced the circumstances that the enclosure collapsed under the exogenic action.

Referring to fig. 1 and 2, the support system 3 provides a mounting location for the sprinkler system 4, the support system 3 is fixedly mounted on the isolation plate 2 near the bottom end of the support column 11 and the support system 3 is near one side of the isolation plate 2. The supporting system 3 comprises a connecting plate 31, a fixing plate 32 and a mounting ring 33, wherein the connecting plate 31 is parallel to the supporting column 11, one side of the connecting plate 31 is fixedly connected with the isolation plate 2 in a welding mode, and one side of the connecting plate 31, far away from the isolation plate 2, is fixedly connected with one end of the fixing plate 32 in a welding mode and is perpendicular to the one end of the connecting plate.

Referring to fig. 2 and 3, the mounting ring 33 is shaped like a semicircular ring, in order to adjust the size of the mounting ring 33, adjusting rods 34 are fixedly connected to both ends of the mounting ring 33 by welding, the adjusting rods 34 are cylindrical, the cross section of the mounting ring 33 is the same as that of the adjusting rods 34, two mounting holes 321 are formed in the side surface of the fixing plate 32, the mounting holes 321 are located at one end of the fixing plate 32 far away from the connecting plate 31, and the adjusting rods 34 are inserted into the mounting holes 321; an external thread is provided on the side surface of the adjustment lever 34, an adjustment nut 35 is provided on the side of the adjustment lever 34 remote from the attachment ring 33, and the adjustment nut 35 is screwed to the adjustment lever 34.

Referring to fig. 3 and 4, the supporting system 3 further includes a limiting block 36 for preventing the adjusting nut 35 from sliding off, a limiting hole 341 is formed in a side surface of the adjusting rod 34 close to the bottom end, the length of the limiting block 36 is greater than the depth of the limiting hole 341, an internal thread is formed in a side wall of the limiting hole 341, and an external thread matched with the internal thread is formed in a side surface of the limiting block 36, so that the limiting block 36 is in threaded connection with the adjusting rod 34. When the adjusting nut 35 is sleeved on the adjusting rod 34, two thirds of the limiting block 36 is inserted into the limiting hole 341 by rotating the limiting block 36, and the rest part is positioned outside the limiting hole 341, so that when the adjusting nut 35 slides off the adjusting rod 34, the limiting block 36 supports the adjusting nut 35, thereby preventing the adjusting nut 35 from sliding off.

Referring to fig. 2 and 5, the shower system 4 includes a delivery pipe 41 and a plurality of shower heads 42 communicated with the delivery pipe 41, the delivery pipe 41 is used for supplying water to the shower heads 42, the diameter of the delivery pipe 41 is smaller than or equal to that of the mounting ring 33, the delivery pipe 41 is inserted into the mounting ring 33, the top of the adjusting nut 35 is abutted against the bottom of the fixing plate 32 by rotating the adjusting nut 35, and the delivery pipe 41 is fixed in the mounting ring 33. Compared with the method of fixing the conveying pipe 41 by using a fastening screw, the contact area of the mounting ring 33 and the conveying pipe 41 is enlarged, and the damage to the surface of the conveying pipe 41 is reduced in the compression process. The material of the delivery pipe 41 may be a hard water pipe or a soft water pipe, and the material of the delivery pipe 41 is not limited in this embodiment.

Referring to fig. 6, in order to reduce the number of the spray headers 42 used, the spray headers 42 employ rotary atomizing spray heads, and the number of the spray headers 42 is determined according to the area of a construction site. The spray head 42 comprises a protective shell 421 and a nozzle 422 for spraying, the protective shell 421 is sleeved on the nozzle 422 and is detachably connected with the nozzle 422 through threads, a spray hole 4211 for spraying of the nozzle 422 is formed in the anti-slip shell, the shape of the spray hole 4211 is the same as that of a water outlet of the nozzle 422, and the size of the spray hole 4211 is larger than that of the water outlet of the nozzle 422.

In order to prevent dust from blocking the nozzle 422 and prevent the nozzle 422 from working normally, an elastic film 423 for covering the injection hole 4211 is arranged on one side of the protective shell 421 close to the nozzle 422, the elastic film 423 is fixedly connected with the protective shell 421 in an adhesion manner, and the shape of the elastic film 423 is the same as that of the protective shell 421; in order to enable the nozzle 422 to work normally, the elastic film 423 is provided with water jet slits 4231 as water outlets, the water jet slits 4231 are slits cut in the elastic film 423 by a cutter, the number of the water jet slits 4231 is at least two, and each water jet slit 4231 is located at the same position. Under the action of water impact, the water spraying seam 4231 is relatively overturned, so that the size of a water outlet is enlarged, water is conveniently sprayed, and the influence on a spraying range is small; when the water stops spraying, the water outlet is in a closed state under the action of the elastic force of the elastic film 423.

Referring to fig. 5, the sprinkler system 4 further includes a water supply assembly 43 for supplying water to the duct 41, the water supply assembly 43 including a reservoir 431 for storing water and a transfer pump 432, the transfer pump 432 being disposed in the reservoir 431, and the duct 41 being connected to an outlet of the transfer pump 432 through the reservoir 431. The transfer pump 432 is started, and the transfer pump 432 pumps water in the reservoir 431 and discharges the water from the spray port along the transfer pipe 41 to perform dust fall on the construction site.

The implementation principle that this application embodiment can spray dust fall enclosure does: in the installation process, the support system 3 is first fixed to the partition plate 2, the installation pipe is then inserted into the installation ring 33, the top end of the adjustment nut 35 is brought into contact with the bottom of the fixed plate 32 by rotating the adjustment nut 35, the installation pipe is fixed, the stopper 36 is then installed on the adjustment rod 34, and finally the delivery pump 432 is started, and water is sprayed from the shower head 42 to perform dust removal on the construction site. The delivery pipe 41 is fixed in the mounting ring 33 in a penetrating way, so that the damage to the surface of the delivery pipe 41 is reduced, and meanwhile, the delivery pipe 41 can be arranged in the mounting ring 33 in a penetrating way to supply water to the spray header 42 no matter the delivery pipe 41 is a hard water pipe or a soft water pipe. The size of the mounting ring 33 can be adjusted by matching the adjusting rod 34 and the adjusting nut 35, so that the application range of the size of the conveying pipe 41 is expanded.

In the case of the example 2, the following examples are given,

referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that the shower system 4 further includes a movable spray assembly 44 for expanding a spray range. The movable spraying assembly 44 is located on the side of the delivery pipe 41 away from the ground, and the movable spraying assembly 44 comprises a water inlet pipe 441, a movable spraying head 442 and a driving member 443 for driving the movable spraying head 442 to move. The inlet pipe 441 is a soft water pipe, and one end of the inlet pipe 441 is connected to the movable nozzle 442, and the other end is connected to the delivery pipe 41.

The driving part 443 comprises a mounting plate 4431 arranged along the horizontal direction and a guide plate 4432 sliding along the mounting plate 4431, the mounting plate 4431 and the guide plate 4432 are both rectangular, and one side of the mounting plate 4431 is fixedly connected with the isolation plate 2 through a screw; a rack 4433 is fixedly connected to the mounting plate 4431 through a screw, the center line of the rack 4433 is parallel to the center line of the mounting plate 4431, a driving motor 4434 is fixedly connected to the guide plate 4432 through a screw, a gear 4435 is fixedly connected to the output end of the driving motor 4434 through a key, and the gear 4435 is in meshing transmission with the rack 4433. In order to guide the moving direction of the guide plate 4432, two guide rails 4436 parallel to the rack 4433 are fixedly arranged on the mounting plate 4431 through screws, the guide rails 4436 are respectively positioned at two sides of the rack 4433, two sliders 4437 in sliding connection with the guide rails 4436 are respectively arranged on the guide rails 4436, one side of each slider 4437, far away from the mounting plate 4431, is fixedly connected with the guide plate 4432 through screws, the sliders 4437 are positioned at four end points of the guide plate 4432, and the bottom of the guide plate 4432 is fixedly connected with the movable nozzle 442.

Referring to fig. 7 and 9, an opening and closing valve 4411 is installed at an end of the inlet pipe 441 adjacent to the delivery pipe 41, so that the operation state of the movable nozzle 442 can be selected according to the concentration of dust on a construction site, thereby making the use of the movable nozzle 442 random.

In a construction site, due to hauling construction materials such as soil, dust can be diffused in the air and exceeds the spraying range of the spray head 42, the movable spraying assembly 44 is installed at the top of the spray head 42 for spraying, the dust falling range is expanded, the driving piece 443 drives the movable spray head 442 to move, and the using number of the spray heads is reduced. When the movable spraying component 44 needs to work, the switch valve 4411 on the conveying pipe 41 is opened, then the driving motor 4434 drives the gear 4435 to rotate, meshing transmission is carried out along the direction of the rack 4433, the guide plate 4432 moves along the length direction of the guide rail 4436 under the matching of the guide rail 4436 and the slide block 4437, and the moving of the guide plate 4432 drives the movable spraying head 442 to move. When the moving spray assembly 44 is not needed, the on-off valve 4411 of the delivery pipe 41 is closed to prevent water from being sprayed from the moving spray head 442 along the water inlet pipe 441.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a can spray dust fall enclosure which characterized in that: the keel frame comprises a keel frame (1), wherein a plurality of isolation plates (2) are arranged on the keel frame (1), a plurality of supporting systems (3) are arranged on the isolation plates (2), each supporting system (3) comprises a mounting ring (33), a connecting plate (31) and a fixing plate (32), the mounting rings (33) are fixedly connected with the connecting plates (31), one ends of the connecting plates (31) are fixedly connected with one ends of the fixing plates (32) and are mutually perpendicular, and one sides of the connecting plates (31) are fixedly connected with the isolation plates (2); a spraying system (4) for spraying and reducing dust is arranged on the fixing plate (32); spraying system (4) include shower head (42) and with conveyer pipe (41) that shower head (42) are connected, shower head (42) are provided with a plurality of, conveyer pipe (41) are worn to establish in collar (33) just collar (33) are right conveyer pipe (41) compress tightly fixedly.

2. The sprayable dust fall enclosure of claim 1, wherein: two mounting holes (321) have been seted up on fixed plate (32), the shape of collar (33) is the semicircle ring, the equal fixed mounting in both ends of collar (33) has regulation pole (34), it wears to establish to adjust pole (34) in mounting hole (321), be provided with the external screw thread on adjusting pole (34), be provided with adjusting nut (35) on adjusting pole (34), adjusting nut (35) with adjust pole (34) threaded connection, work as collar (33) are right conveyer pipe (41) are pressed and are fastened regularly, the top of adjusting nut (35) with the bottom butt of fixed plate (32).

3. The fence of claim 2, wherein the fence comprises: the supporting system (3) further comprises a limiting block (36) used for preventing the adjusting nut (35) from falling off, a limiting hole (341) is formed in the side face of the adjusting rod (34), and the limiting block (36) penetrates through the limiting hole (341) and is detachably connected with the adjusting rod (34).

4. The sprayable dust fall enclosure of claim 1, wherein: the spray head (42) adopts a rotary atomizing spray head.

5. The sprayable dust fall enclosure of claim 1, wherein: the spray header (42) comprises a protective shell (421) and a nozzle (422), the protective shell (421) is provided with a jet hole (4211) for jetting from the nozzle (422), the protective shell (421) is provided with an elastic film (423) for covering the jet hole (4211), the elastic film (423) is provided with a water outlet allowing water to be sprayed out, when water is sprayed out from the nozzle (422), the water outlet is in an open state, and when the water stops being sprayed out, the water outlet is in a closed state under the action of elastic force.

6. The sprayable dust fall enclosure of claim 5, wherein: the water outlets are water spraying seams (4231) arranged on the elastic film (423), the number of the water spraying seams (4231) is at least two, and the water spraying seams (4231) are intersected at the same position.

7. The sprayable dust fall enclosure of claim 1, wherein: the spraying system (4) further comprises a movable spraying assembly (44) for expanding a spraying range, wherein the movable spraying assembly (44) comprises a water inlet pipe (441) communicated with the conveying pipe (41), a movable spraying head (442) connected with the water inlet pipe (441) and a driving piece (443) for driving the movable spraying head (442) to move.

8. The sprayable dust fall enclosure of claim 7, wherein: the driving piece (443) comprises an installation plate (4431) arranged on the isolation plate (2) and a guide plate (4432) sliding along the installation plate (4431), a rack (4433) is fixedly connected to the installation plate (4431), a driving motor (4434) is fixedly connected to the guide plate (4432), a gear (4435) in meshing transmission with the rack (4433) is fixedly connected to the output end of the driving motor (4434), a guide rail (4436) parallel to the rack (4433) is arranged on the installation plate (4431), a sliding block (4437) in sliding connection with the guide rail (4436) is arranged on the guide rail (4436), the sliding block (4437) is fixedly connected with the guide plate (4432), and the movable spray head (442) is fixedly connected with the guide plate (4432).

9. The sprayable dust fall enclosure of claim 7, wherein: the water inlet pipe (441) is provided with a switch valve (4411).

10. The sprayable dust fall enclosure of claim 1, wherein: the top of the keel frame (1) is provided with a shielding plate (21) for reducing the spraying of water flow to the outside.

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