CN211937886U

CN211937886U - Be used for green concrete dust recovery unit

Info

Publication number: CN211937886U
Application number: CN202020235394.XU
Authority: CN
Inventors: 李鹏宇
Original assignee: Beijing Zehua Road And Bridge Engineering Co ltd
Current assignee: Beijing Zehua Road And Bridge Engineering Co ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2020-11-17
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to the technical field of concrete production equipment, in particular to a dust recycling device for green concrete, which comprises a separating box, one side of the separating box is communicated with an air inlet pipe, one side of the separating box, which is far away from a connecting pipe, is communicated with an exhaust pipe, an exhaust fan is additionally arranged in the exhaust pipe to suck sundries and dust outside the device into the separating box from the air inlet pipe, a filter screen is additionally arranged to intercept the sundries in the separating box, the dust is filtered by the filter screen, because the collecting box is provided with an inlet pipe and an outlet pipe, water can be injected into the collecting box and is precipitated for a period of time, the gravels dropping into the collecting box can sink and gather in a collecting tray after being precipitated for a period of time, other sundries such as wood dust and the like can float in the water and can be discharged along with the water, the collecting tray is lifted to the top of the collecting, thereby improving the recovery utilization rate.

Description

Be used for green concrete dust recovery unit

Technical Field

The utility model belongs to the technical field of concrete production equipment technique and specifically relates to a be used for green concrete dust recovery unit is related to.

Background

The dust refers to solid particles suspended in air, the concrete refers to a general name of engineering composite materials formed by cementing rice husk into a whole by using cementing materials, the concrete refers to cement concrete which is prepared by mixing cement as the cementing materials, sand and stone as aggregates and water (containing an external machine and an admixture) according to a certain proportion and stirring, and the concrete is also called ordinary concrete and is widely applied to civil engineering.

Because concrete raw materials are usually stored in a processing plant for a long time, a large amount of dust is mixed in the raw materials, so that the content of the dust in the raw materials is too high, the quality of concrete formed after the raw materials are processed is poor, and the solidified cement concrete is easy to crack after entering, so that the dust in the raw materials needs to be recycled. However, since concrete raw material processing is generally performed on a construction site, and a lot of impurities are generally present on the construction site, when dust is recovered, the impurities are easily absorbed into the recovery device, and the collected materials in the recovery device are composed of various impurities including small-sized sand, so that the proportion of raw material materials is easily changed, and material waste is also caused, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a be used for green concrete dust recovery device, it can retrieve the grit in the debris, and then improves the recycle ratio of grit.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a be used for green concrete dust recovery device, includes the separator box, its characterized in that: one side intercommunication of separator box has the intake pipe, the separator box is kept away from one side intercommunication of intake pipe has the blast pipe, be provided with the air discharge fan in the blast pipe, be provided with the filter screen in the blast pipe, just the filter screen is located the blast pipe is close to the one end of separator box the bottom of separator box is provided with the discharge gate, the below of discharge gate is provided with the collecting box, the relative both sides of collecting box correspond the intercommunication respectively and have inlet tube and outlet pipe, be provided with the catch tray in the collecting box, be provided with the non-woven fabrics in the catch tray, the catch tray with be provided with between the collecting box and be used for the.

Through adopting above-mentioned technical scheme, the air discharge fan makes the outer debris of device and dust inhale the separator box from the intake pipe, the filter screen makes in the debris interception separator box, the dust is through the filter screen filtration, because be provided with inlet tube and outlet pipe on the collecting box, can be to pouring water into in the collecting box, deposit through a period, make the grit that drops in the collecting box can sink the gathering in the catch tray after a period subsides, other debris can float in the aquatic and walk along with the log raft like the saw-dust, make through the driving piece and rise to the collecting box top with the catch tray, it can take out the grit to take out the non-woven fabrics, and then retrieve the grit separation in the debris, improve the recycle ratio of grit.

The present invention may be further configured in a preferred embodiment as: the wire wheel is connected to the top of the collecting box in a rotating mode, the first rotating column is vertically arranged, the wire wheel is sleeved on the first rotating column, a steel wire rope is wound on the wire wheel, the two ends of the collecting disc are connected with the steel wire rope, and a locking assembly used for locking and unlocking the wire wheel is arranged between the first rotating column and the collecting box.

Through adopting above-mentioned technical scheme, the line wheel can drive the catch tray and rise and descend, and then be convenient for take out and place the non-woven fabrics, when needs take out the non-woven fabrics, only need rotate line wheel and rotate and make wire rope drive the catch tray rise to the position that the collecting box is close to the top, utilize the closure subassembly to make line wheel fixed, can take out the non-woven fabrics.

The present invention may be further configured in a preferred embodiment as: the locking assembly is a worm wheel and a worm, the worm wheel and the wire wheel are coaxially sleeved on the first rotating column, and the worm wheel and the worm are meshed with each other.

Through adopting above-mentioned technical scheme, utilize the auto-lock characteristic that the worm gear and worm are connected, the staff rotates the worm and makes the worm wheel rotate, makes line wheel rotate, and then makes wire rope drive the catch tray and rise and descend simple and convenient.

The present invention may be further configured in a preferred embodiment as: the filter screen can dismantle connect in the blast pipe, the top of blast pipe is provided with the confession the filter screen inserts the opening of blast pipe, the relative both sides of filter screen all are connected with the slider, the corresponding confession that is provided with of two relative chamber walls in the blast pipe the slider complex slide rail that slides, the slider with the slide rail slides and is connected.

Through adopting above-mentioned technical scheme, the slider slides with the slide rail and is connected the filter screen of being convenient for from the opening installation location and dismantle and take out, and then be convenient for dismantle the dust on the clearance surface with the filter screen, make the filter screen difficult skew to walk the position in the air discharge fan working process simultaneously.

The present invention may be further configured in a preferred embodiment as: the top of filter screen is connected with the apron, opening circumference is provided with right the spacing groove of apron, the apron embedding the spacing inslot, the apron with be provided with between the blast pipe and be used for fixing the fixed subassembly of apron.

Through adopting above-mentioned technical scheme, the opening can be closed in the setting of apron for the dust is difficult for following the opening part and diffusing out and the polluted environment.

The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises two bolts and a mounting plate, the mounting plate is hinged to the cover plate, threaded holes corresponding to the bolts are formed in the exhaust pipe, the mounting plate overturns and abuts against the side wall of the exhaust pipe, and the bolts penetrate through the mounting plate and the corresponding threaded holes in threaded connection.

Through adopting above-mentioned technical scheme, the stability of apron can be strengthened with setting up of mounting panel to the bolt, makes the stable fixing of apron at the opening part and difficult not hard up break away from, when needs lid closed the apron, rotates the mounting panel and contradicts the lateral wall of blast pipe, twists the bolt and makes the bolt run through mounting panel and the screw hole threaded connection who corresponds, and then fixes the apron steadily at the opening part.

The present invention may be further configured in a preferred embodiment as: and a sealing ring is arranged at the bottom circumference of the limiting groove.

Through adopting above-mentioned technical scheme, the setting of sealing washer can improve the leakproofness before the apron spacing groove, makes the dust be difficult for coming out from the gap between apron and the spacing groove.

The present invention may be further configured in a preferred embodiment as: the two opposite ends of the bottom of the separation box are hinged with baffle plates used for opening and closing the discharge port, push rods arranged in an L shape are hinged to the baffle plates, a first air cylinder is arranged on the outer side of the separation box, and a piston rod of the first air cylinder is hinged to one end, far away from the baffle plates, of the push rods.

Through adopting above-mentioned technical scheme, make the baffle automatic upset under the combined action of first cylinder and push rod, and then be convenient for open and close the discharge gate, adjust the space that two relative positions of baffle come between baffle and the discharge gate simultaneously, and then adjust the row's of discharge gate volume.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the exhaust fan enables sundries and dust outside the device to be sucked into the separation box from the air inlet pipe, the filter screen enables the sundries to be intercepted in the separation box, the dust is filtered through the filter screen, the collection box is provided with the water inlet pipe and the water outlet pipe, water can be injected into the collection box, the sand and stone falling into the collection box can sink and gather in the collection disc after being settled for a period of time, other sundries such as wood dust and the like can float in the water and be discharged along with the water, the collection disc is lifted to the top of the collection box through the driving piece, the non-woven fabric can be taken out, the sand and stone in the sundries can be separated and recovered, and the recovery rate of;

2. the sliding block is connected with the sliding rail in a sliding manner, so that the filter screen can be conveniently installed, positioned, disassembled and taken out from the opening, the filter screen can be conveniently disassembled and cleaned of dust on the surface, and meanwhile, the filter screen is not easy to deviate and move in the working process of the exhaust fan;

3. the cover plate can cover the opening, so that dust and sundries are not easy to diffuse out of the opening to pollute the environment, and meanwhile, the sealing performance between the cover plate and the limiting groove can be enhanced by additionally arranging the sealing ring;

4. the first cylinder and the push rod are convenient for pushing the baffle plates, and the discharge amount of the discharge hole is adjusted by adjusting the relative positions of the two baffle plates.

Drawings

Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;

FIG. 2 is a schematic view of the inner structure of the separating box of the embodiment of the present invention after being cut open;

FIG. 3 is a schematic view of the assembly relationship between the filter screen and the exhaust pipe in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the collecting box in the embodiment of the present invention.

In the figure, 1, an air inlet pipe; 2. a separation tank; 3. an exhaust pipe; 4. an exhaust fan; 5. a first cylinder; 6. a push rod; 7. a universal wheel; 8. a collection box; 9. a baffle plate; 10. a squeegee; 11. a dust cover; 12. a second cylinder; 13. a seal ring; 14. a slider; 15. a filter screen; 16. a bolt; 17. mounting a plate; 18. a cover plate; 19. a limiting groove; 20. an opening; 21. a slide rail; 22. a filter hopper; 23. a water outlet pipe; 24. a wire wheel; 25. a wire rope; 26. a bevel gear; 27. a collection tray; 28. non-woven fabrics; 29. a first rotating column; 30. a water inlet pipe; 31. screwing a cover; 32. a worm; 33. a worm gear; 34. a second rotating cylinder; 35. a threaded hole; 36. supporting legs; 37. a dust collection box; 38. a discharge port; 39. and (4) connecting the pipes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a be used for green concrete dust recovery unit, including separator 2, a lateral wall intercommunication of separator 2 has intake pipe 1 that is the level setting, and one side that intake pipe 1 was kept away from to separator 2 is provided with blast pipe 3, and separator 2 communicates with blast pipe 3 through filter hopper 22. An exhaust fan 4 is installed in the exhaust pipe 3, and a dust collection box 37 for collecting dust is arranged at one end of the exhaust pipe 3 far away from the separation box 2 and is communicated with the exhaust pipe through a connecting pipe 39. In addition, the bottom of the separation box 2 is provided with four supporting legs 36 which are vertically arranged, and each supporting leg 36 is respectively and evenly distributed at four bottom corners of the separation box.

Specifically, in order to filter dust, a filter screen 15 is detachably connected to one end of the exhaust pipe 3 close to the separation box 2. Preferably, the two ends of the filter screen 15 are welded with the long-strip-shaped sliding blocks 14, the two inner cavity walls opposite to the exhaust pipe 3 are welded with the two sliding rails 21, and in addition, an outer side wall of the exhaust pipe 3 is provided with an opening 20 for the filter screen 15 to be inserted into the exhaust pipe.

Referring to fig. 2 and 3, meanwhile, a cover plate 18 is welded to the top of the filter screen 15, a limiting groove 19 is circumferentially formed in the opening 20, and after the sliding block 14 slides into the sliding rail 21, the surface of one side, connected with the filter screen 15, of the cover plate 18 is abutted to the bottom of the limiting groove 19, so that the cover plate 18 is conveniently positioned. Meanwhile, a plurality of fixing assemblies for fixing the cover plate 18 are disposed between the cover plate 18 and the top of the exhaust pipe 3, in this embodiment, the number of the fixing assemblies may be preferably two, and the two fixing assemblies are respectively distributed on two opposite sides of the cover plate 18. Specifically, the fixing assembly comprises two bolts 16 and a mounting plate 17, one end of the mounting plate 17 is hinged to a cover plate 18, and the two bolts 16 are respectively located on two sides of the mounting plate 17. An outer side of the exhaust pipe 3 is opened with screw holes 35 corresponding to the respective bolts 16, and the screw holes 35 are respectively located at both sides of the opening 20. The bolts 16 of each set of fixing components penetrate through the mounting plate 17 and are in threaded connection with the threaded holes 35, so that the cover plate 18 is fixed in the limiting groove 19. In addition, the sealing ring 13 is bonded to the circumferential direction of the bottom of the limiting groove 19, so that the sealing performance between the cover plate 18 and the limiting groove 19 is improved, and the environmental pollution caused by the diffusion of dust from a gap between the cover plate 18 and the limiting groove 19 is reduced.

Referring to fig. 2 and 4, a discharge port 38 is formed at the bottom of the separation box 2, and a collection box 8 for collecting sundries is placed below the discharge port 38. The two opposite sides of the collecting box 8 are respectively connected with a water inlet pipe 30 and a water outlet pipe 23, the water inlet pipe 30 is positioned at one side close to the top of the collecting box 8, and the water outlet pipe 23 is positioned at one side close to the bottom of the collecting box 8. Meanwhile, a collecting tray 27 for collecting sand is placed in the collecting box 8, non-woven fabrics 28 are laid in the collecting tray 27, impurities are discharged from a discharge hole 38 in the separating box 2 by injecting water into the collecting box 8, and sand can be settled on the non-woven fabrics 28 after a period of settlement. A driving piece for driving the collection disc 27 to ascend and descend is arranged between the collection box 8 and the collection disc 27, the driving piece can be preferably a wire wheel 24, and the number of the wire wheels 24 is four. The two opposite sides of the top of the collecting box 8 are rotatably loaded with a first rotating column 29 which is horizontally arranged, and the two wire wheels 24 correspond to the first rotating column 29 and are fixedly sleeved on the two sides of the first rotating column 29 respectively. A steel wire rope 25 is wound on each wire wheel 24, and one end of the steel wire rope 25 far away from the wire wheel 24 is connected with a collection disc 27. In order to facilitate the movement of the device, the four bottom corners of the collecting box 8 are fixedly provided with universal wheels 7.

Referring to fig. 2 and 4, a rotational locking assembly for locking and unlocking the pulley 24 is arranged between the first rotary column 24 and the collecting box 8, and specifically, the locking assembly comprises a worm wheel 33 and a worm 32. The worm wheel 33 and the wire wheel 24 are coaxially fixed on the first rotating column 29 in a sleeved mode, and the worm wheel 33 is meshed with the worm 32. The worm 32 is rotated to rotate the reel 24 and thus raise the collection tray 27, and the sand can be removed by simply removing the non-woven fabric 28. In order to rotate the worm 32, a screw cap 31 is fixedly mounted on one end of the worm 32 far away from the worm wheel 33. In addition, in order to make the two first rotating columns 29 rotate simultaneously, a second rotating column 34 is arranged between the two first rotating columns 29, a pair of mutually meshed bevel gears 26 are arranged between the second rotating column 34 and the two first rotating columns 29, one bevel gear 26 is fixedly sleeved on the first rotating column 29, and the other bevel gear 26 is sleeved on the second rotating column 34.

Referring to fig. 1 and 2, in addition, in order to facilitate adjusting the discharge capacity of discharge gate 38, the both sides that the separator box 2 bottom is relative all articulate there is the baffle 9 that is used for opening and close discharge gate 38, two baffles 9 keep away from that one side surface of discharge gate 38 articulates there is push rod 6 that is the L shape setting, first cylinder 5 is installed to two lateral walls of separator box 2 simultaneously, the piston rod of first cylinder 5 is articulated with the one end that push rod 6 was kept away from to push rod 6, and then the baffle 9 of being convenient for is opened and is closed. Meanwhile, in order to clean up sundries on the baffle plate 9, a scraper 10 is arranged on the surface of one side, away from the electric push rod 6, of the baffle plate 9, the scraper 10 is arranged along the width direction of the baffle plate 9, a second cylinder 12 used for driving the scraper 10 to move back and forth is arranged on the baffle plate 9, the second cylinder 12 is arranged at one end, close to a hinge point, of the baffle plate 9, and a piston rod of the second cylinder 12 is fixedly connected with one end, away from the baffle plate 9, of the scraper plate 10. In addition, a dust cover 11 for covering the second cylinder 12 is installed on the baffle 9, so that dust or sundries are not easy to adhere to the second cylinder 12 to cause damage to the second cylinder 12.

The implementation principle of the embodiment is as follows: utilize air discharge fan 4 to inhale dust and debris into separator box 2, under the effect of filter screen 15, dust filters and collects in dust collection box 37, separation debris drop to the collecting box 8 that is full of water, through subsiding, the grit can subside the gathering on the non-woven fabrics 28 of catch tray 27, other debris can be along with water passes through outlet pipe 23 and discharges away, rotate worm 32, worm wheel 33 drives line wheel 24 and rotates, catch tray 27 rises, can take out non-woven fabrics 28, and then retrieve the grit in the debris, improve the recycle ratio of grit.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a be used for green concrete dust recovery device, includes separator box (2), its characterized in that: one side of the separation box (2) is communicated with an air inlet pipe (1), one side of the separation box (2) far away from the air inlet pipe (1) is communicated with an exhaust pipe (3), an exhaust fan (4) is arranged in the exhaust pipe (3), a filter screen (15) is arranged in the exhaust pipe (3), and the filter screen (15) is positioned at one end of the exhaust pipe (3) close to the separation box (2), a discharge port (38) is arranged at the bottom of the separation box (2), a collection box (8) is arranged below the discharge port (38), the two opposite sides of the collecting box (8) are respectively and correspondingly communicated with a water inlet pipe (30) and a water outlet pipe (23), a collecting tray (27) is arranged in the collecting box (8), non-woven fabrics (28) are arranged in the collecting tray (27), a driving piece for driving the collecting disc (27) to ascend and descend is arranged between the collecting disc (27) and the collecting box (8).

2. An environmentally friendly concrete dust recycling apparatus as claimed in claim 1, wherein: the driving piece is a wire wheel (24), the top of the collecting box (8) is rotatably connected with a first rotating column (29) which is vertically arranged, the wire wheel (24) is sleeved on the first rotating column (29), a steel wire rope (25) is wound on the wire wheel (24), two ends of the collecting disc (27) are connected with the steel wire rope (25), and a locking component used for locking and unlocking the wire wheel (24) is arranged between the first rotating column (29) and the collecting box (8).

3. An environmentally friendly concrete dust recycling apparatus as claimed in claim 2, wherein: the locking assembly is a worm wheel (33) and a worm (32), the worm wheel (33) and the wire wheel (24) are coaxially sleeved on the first rotating column (29), and the worm wheel (33) and the worm (32) are meshed with each other.

4. An environmentally friendly concrete dust recycling apparatus as claimed in claim 1, wherein: filter screen (15) can dismantle connect in blast pipe (3), the top of blast pipe (3) is provided with the confession filter screen (15) insert opening (20) of blast pipe (3), the both sides that filter screen (15) are relative all are connected with slider (14), two relative chamber walls correspond in blast pipe (3) and are provided with the confession slider (14) complex slide rail (21) slide, slider (14) with slide rail (21) slide and connect.

5. An environmentally friendly concrete dust recycling apparatus as claimed in claim 4, wherein: the top of filter screen (15) is connected with apron (18), opening (20) circumference is provided with right the spacing groove (19) of apron (18), apron (18) embedding in spacing groove (19), apron (18) with be provided with between blast pipe (3) and be used for fixing the fixed subassembly of apron (18).

6. An environmentally friendly concrete dust recycling apparatus as claimed in claim 5, wherein: the fixed subassembly includes two bolts (16) and mounting panel (17), mounting panel (17) with the apron is articulated, be provided with on blast pipe (3) with each screw hole (35) that bolt (16) correspond, mounting panel (17) upset and conflict in during the lateral wall of blast pipe (3), each bolt (16) run through mounting panel (17) board with correspond screw hole (35) threaded connection.

7. An environmentally friendly concrete dust recycling apparatus as claimed in claim 6, wherein: and a sealing ring (13) is arranged at the circumferential direction of the groove bottom of the limiting groove (19).

8. An environmentally friendly concrete dust recycling apparatus as claimed in claim 1, wherein: the two opposite ends of the bottom of the separation box (2) are hinged to a baffle (9) used for opening and closing the discharge hole (38), a push rod (6) which is L-shaped is hinged to the baffle (9), a first air cylinder (5) is arranged on the outer side of the separation box (2), and a piston rod of the first air cylinder (5) is hinged to one end, far away from the baffle (9), of the push rod (6).