CN209740277U - Construction waste dedusting ash recovery equipment - Google Patents

Abstract

The utility model relates to a building rubbish resourceful technical field provides a building rubbish dust removal ash recovery plant, including screw conveyer and pay-off dust suppression device, screw conveyer's entry end sealing connection feed bin's exit end, screw conveyer's exit end sealing connection pay-off dust suppression device, pay-off dust suppression device includes the sealed cowling, the conveyer belt is detained to the sealed cowling cover, be equipped with dust fall mechanism in the sealed cowling. The utility model provides a building rubbish dust removal ash recovery plant can high efficiency recycle, reduce the cost of transportation, environmental protection dust fall.

Description

Construction waste dedusting ash recovery equipment

Technical Field

The utility model relates to a building rubbish resourceization technical field especially relates to a building rubbish dust removal recovery plant.

Background

With the acceleration of the urbanization process in China, the yield of urban construction waste is also rapidly increased, and the urban construction waste becomes a great obstacle to urban development. Facing to increasingly severe environmental problems, the generation of construction waste undoubtedly aggravates contradictions among people, environment and resources, and influences the coordinated development of urban ecological environment.

Based on environmental protection and resource utilization, the treatment and recycling of construction waste are inevitable trends in future development. Through the practice of recent years, China makes more breakthroughs in construction waste treatment technology and comprehensive utilization technology, particularly in the treatment of the construction waste fly ash, in the resource treatment process, the fly ash collected by a dust collector can generate a large amount of dust in the ash discharge, collection and transfer processes, so that the problem of secondary pollution is caused.

In order to avoid the pollution problem that the dust caused in the transfer process, among the prior art, adopt the mode of a set of atomizer of installation on the dust remover device, make dry ash become and transport again behind the wet ash, increased the cost of transportation when effectively avoiding the dust like this, and wet ash has the problem of follow-up utilization, and the atomizer has received the limitation in using winter simultaneously. Therefore, on the premise of ensuring the health of workers and energy conservation and environmental protection, the problem of urgent need to be solved by simply, reasonably and low-cost recycling of the dedusting ash.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses aim at solving one of the technical problem that exists among prior art or the correlation technique at least: the existing recycling and transferring process of the fly ash has high cost, is not suitable for secondary utilization of the fly ash, and has limitation of service time.

The utility model aims at: the utility model provides a building rubbish dust removal ash recovery plant, can high efficiency recycle, reduce the cost of transporting, environmental protection dust fall.

(II) technical scheme

In order to solve the technical problem, the utility model provides a building rubbish dust removal ash recovery plant, including screw conveyer and pay-off dust suppression device, screw conveyer's entry end sealing connection feed bin's exit end, screw conveyer's exit end sealing connection pay-off dust suppression device, pay-off dust suppression device includes the sealed cowling, the conveyer belt is detained to the sealed cowling cover, be equipped with dust fall mechanism in the sealed cowling.

Preferably, the outlet end of the screw conveyor is connected with an extension feeding section, and the extension feeding section extends into the sealing cover.

In any of the above schemes, preferably, the extension feeding section is sleeved with a dust falling bag.

Preferably in any of the above schemes, the dust fall mechanism includes a plurality of dust fall board, the dust fall board with be equipped with the pay-off interval between the conveyer belt, a plurality of the dust fall board is in form the labyrinth arrangement structure in the sealed cowling.

In any of the above aspects, preferably, the dustfall plates are staggered in the horizontal direction and/or the vertical direction.

In any of the above schemes, preferably, the screw conveyer is connected to the installation foundation in an inclined manner, and the inclined angle of the screw conveyer is set to be 20-50 degrees.

In any of the above schemes, preferably, the screw conveyor is connected with a support frame, the support frame is connected on an installation basis, and the height of the support frame is adjustable.

In any of the above schemes, preferably, the outlet end of the bin is connected with a regulating valve, a discharger and a connecting piece, the regulating valve is connected with the bin, two ends of the discharger are respectively connected with the regulating valve and the connecting piece, and the connecting piece is connected with the inlet end of the screw conveyor.

In any of the above solutions, it is preferable that the bin is connected to a dust collector, and the dust collector is connected to a jaw crushing treatment room, an impact crushing treatment room and/or a three-large screening treatment room.

In any of the above aspects, it is preferred that the feeding dust suppression device is connected to an inorganic material production system.

(III) advantageous effects

Compared with the prior art, the utility model has the advantages of it is following:

The fly ash in the bin is conveyed by matching the spiral screw conveyor and the feeding dust suppression device, the fly ash flowing out of the bin is stably conveyed by the spiral screw conveyor, no raise dust is generated, and the spiral conveyor can also adjust the conveying speed, the feeding amount and the like; and the spiral screw conveyer sends the dust removal ash into the feeding dust suppression device, and the feeding dust suppression device suppresses dust while feeding, further reduces the dust and produces, guarantees the smooth transport of dust removal ash, and set up sealed cowling and dust fall mechanism in the feeding dust suppression device, keeps apart and subsides the dust that produces simultaneously in the dust removal ash transportation process, need not to spray the process, saves the cost, simplifies the structure, does benefit to dust removal ash recycle.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the recycling device for construction waste and fly ash of the present invention;

Fig. 2 is a schematic view of the internal structure of the sealing feeding device of the construction waste recycling device for recycling dust;

in the figure, 1, a stock bin; 2. adjusting a valve; 3. a discharger; 4. a connecting member; 5. a screw conveyor inlet valve; 6. a screw conveyor; 7. a screw conveyor outlet valve; 8. a feeding dust suppression device; 9. a support frame; 10. installing a foundation; 11. a feeding section is extended; 12. a dust reducing bag; 13. a sealing cover; 14. a dust fall plate; 15. a conveyor belt; 16. and (5) driving rollers.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The fly ash is produced in the construction waste resourceful treatment process, mainly is the dust that produces in the broken process of construction waste, and the recovery needs to carry out recycle after the fly ash is collected, and the processes such as collection, recycle of fly ash all need carry. The existing conveying mode of the fly ash is as follows: firstly, directly using a transport vehicle to receive collected dust and transport the dust to a target position; secondly, the dust is converted into wet ash and then transported, the dust is reduced in the transportation process, but the cost is increased in the pretreatment and use processes of the fly ash; therefore, an apparatus suitable for recycling and conveying the dust is urgently needed to meet the production requirement.

With reference to fig. 1-2, the present invention provides a preferable embodiment of a recycling device for dust removed from construction waste, which comprises a screw conveyor 6 and a feeding dust suppression device 8, wherein the inlet end of the screw conveyor 6 is hermetically connected with the outlet end of the storage bin 1, and the outlet end of the screw conveyor 6 is hermetically connected with the feeding dust suppression device 8.

the feeding dust suppression device 8 comprises a sealing cover 13, materials flowing out of the outlet end of the screw conveyor 6 fall onto the conveying belt 15, the materials are fed along with the conveying belt 15 in a transmission mode, the sealing cover 13 covers the conveying belt 15, the materials are sealed in the sealing cover 13, dust is reduced, and the safety and stability of the feeding process are guaranteed. And, be equipped with dust fall mechanism in the sealed cowling, dust settlement is further promoted by dust fall mechanism.

The screw conveyor 6 is used for conveying the materials in the storage bin 1 to the feeding dust suppression device 8, the sealing effect of the screw conveyor 6 is good, dust is reduced, and the effect of suppressing dust is achieved; meanwhile, the feeding amount can be adjusted by adjusting the rotating speed of the screw conveyor 6, so that quantitative conveying is facilitated, and the regulation and control are simple and convenient. Further, the screw conveyor 6 is connected with the feeding dust suppression device 8 in a sealing mode, and compared with the traditional mode of direct feeding of a conveyor belt or feeding of a conveyor car, the screw conveyor 6 is matched with the feeding dust suppression device 8, so that the problem of dust raising is solved under the condition of no need of spraying, the powder state of the material is maintained, the environment protection requirement is met, and the further application of the material is facilitated.

And the feeding dust suppression device 8 suppresses dust while feeding, reduces dust generated in the feeding process, prevents the dust generated in the device from interfering the normal operation of the feeding process, and ensures the safety of the feeding dust suppression device 8.

The storage bin 1, the spiral conveyor 6 and the feeding dust suppression device 8 are matched to carry out closed conveying on materials in the storage bin 1, so that the generation of dust in the material conveying process is reduced, and the problem existing in the spraying mode of a sprayer is solved; and the regulation and control of the feeding amount, the feeding speed and the like are facilitated. Meanwhile, the application problem of the dust removal ash after being sprayed into wet ash is effectively avoided, the cost problem of secondary transportation is effectively reduced, and meanwhile, the problems of health of workers, energy conservation and environmental protection are effectively solved.

The exit end of screw conveyer 6 is connected with extends the material conveying section 11, extends material conveying section 11 and stretches into in the sealed cowling 13, extends material conveying section 11 and carries out the water conservancy diversion to the material that sends out from screw conveyer 6, extends the interval that material conveying section 11 extends and keeps suitable material whereabouts between 15, reduces the dust that the material that gets into sealed cowling 13 produced at the in-process that falls down, makes the effective dust fall in the space in the sealed cowling 13. The extension feeding section 11 is of a sleeve structure which is detachably connected to the outlet end of the screw conveyor 6, and is simple in structure and convenient to disassemble and assemble; the connection of the extended feed section 11 to the screw conveyor 6 may be one of the existing connections.

The extension feeding section 11 is sleeved with a dust settling bag 12, the dust settling bag 12 is connected to an outlet of the extension feeding section 11, discharging of the extension feeding section 11 is further guided, and dust in the sealing cover 13 is further reduced. The dust-reducing bag 12 can be designed as a cloth bag, and has good blanking effect and low cost.

Further, the dust falling mechanism comprises a plurality of dust falling plates 14, and dust in the sealing cover 13 is prevented from falling when contacting the dust falling plates 14, so that the dust is prevented from flowing; a feeding space is formed between the dust falling plate 14 and the conveying belt 15, so that the contact between the dust falling plate 14 and materials on the conveying belt 15 is reduced, the materials on the conveying belt 15 can be conveyed smoothly, and dust is prevented from being scraped; a plurality of dust fall board 14 forms labyrinth arrangement structure in sealed cowling 13, and the circulation such as air current, dust in the sealed cowling 13 of being convenient for of labyrinth structure to, conveyer belt 15 can produce the air current in service, can bring the raise dust, through "labyrinth" structure effective dust fall.

Dust fall board 14 can dismantle and connect in sealed cowling 13, the dismouting of being convenient for, can also set up the dust fall board 14 of different specifications as required, form the labyrinth arrangement structure of different forms. The sealing cover 13 covers and buckles the conveying belt 15, the specification of the sealing cover 13 is matched with that of the conveying belt 15, the arrangement mode of the dust falling plate 14 in the sealing cover 13 is adjusted as required, and the feeding distance between the dust falling plate 14 and the conveying belt 15 can also be adjusted according to different materials.

The labyrinth structure formed by dust suppression plate 14 in sealed cover 13 may be a serpentine airflow channel formed in the horizontal direction and/or the vertical direction, and dust suppression plate 14 forms a gap with the top surface of sealed cover 13 at an interval, and/or dust suppression plate 14 forms a gap with the side wall of sealed cover 13 at an interval, so as to provide a channel for the airflow in sealed cover 13 to circulate.

Dust fall board 14 forms the height drop between vertical direction staggered arrangement and the dust fall board 14, and there is the height drop in the distance of two adjacent dust fall boards 14 to conveyer belt 15 promptly to the circulation of air current in the suitable sealed cowling 13 guarantees the stability of pay-off process, and the air current that uses 15 in-service productions of conveyer belt drives the dust walking and takes place the collision and reach the effect of dust fall between each dust fall board 14.

dustfall plates 14 may be arranged in a staggered manner in the horizontal direction, so that a space is formed between dustfall plates 14 and the side wall of seal cover 13, and dustfall plates 14 and seal cover 13 form a serpentine airflow passage in the horizontal direction.

Dust fall plate 14 may be made from waste belts used in production and transportation. The height fall of the dust fall plates 14 is comprehensively considered according to factors such as actual materials, air flow and dust in the sealing cover 13, and the proper height fall of the adjacent dust fall plates 14 is selected.

The screw conveyer 6 is obliquely connected to the installation foundation 10, and the inclination angle of the screw conveyer 6 is set to be 20-50 degrees. Screw conveyer 6 slope sets up, plays the water conservancy diversion effect to 1 exhaust material in feed bin, reduces screw conveyer 6's transport power demand, prevents the refluence of dust removal ash simultaneously.

Preferably, the inclination angle of the screw conveyor 6 is set to 20 °, 30 °, 45 °, 50 °.

The inclination angle of the screw conveyor 6 can be adjusted within the range of 20-50. Specifically, the screw conveyor 6 is connected with a supporting frame 9, the supporting frame 9 is connected to an installation foundation 10, and the height of the supporting frame 9 is adjustable. Support frame 9 can be connected and all set up support frame 9 in screw conveyer 6's one end or screw conveyer 6's both ends, and support frame 9 can lift adjustment, highly adjusts the difference in height at screw conveyer 6 both ends through adjusting support frame 9, and then adjusts inclination.

And soft connections can be adopted between the outlet end of the screw conveyor 6 and the sealing cover 13 and between the inlet end of the screw conveyor 6 and the unloader, so that the angle of the screw conveyor 6 can be conveniently adjusted.

The lifting adjustment of the supporting frame 9 may be mechanical telescopic adjustment, or may be driven adjustment by an air cylinder or a hydraulic cylinder, and the lifting adjustment manner of the supporting frame 9 is not limited to the above two manners.

The exit linkage of feed bin 1 has governing valve 2, tripper 3 and connecting piece 4, and governing valve 2 connects feed bin 1, and governing valve 2 and connecting piece 4 are connected respectively at 3 both ends of tripper, and connecting piece 4 connects the entry end of screw conveyer 6.

The connection among the storage bin 1, the screw conveyor 6 and the feeding dust suppression device 8 adopts a sealing connection mode.

The regulating valve 2 can adopt a sealing type manual gate valve to regulate according to the requirement. And, a screw conveyor inlet valve 5 is connected to an inlet end of the screw conveyor 6, and a screw conveyor outlet valve 7 is connected to an outlet end of the screw conveyor 6, so as to adjust the feeding and discharging states of the screw conveyor 6. The inlet valve 5 and the outlet valve 7 of the screw conveyer can be gate valves, and the sealing state of the inlet end and the outlet end of the screw conveyer 6 is ensured. The connecting element 4 is preferably of a flexible connecting construction, which facilitates the transport of the powder. The discharger 3 is also of a sealed type structure.

Feed bin 1 is connected on the dust remover, and the dust remover mainly sets up between jaw crushing treatment, impact crushing treatment and/or three big screening processes, and the dust remover still sets up and is transporting between the belt at each transport, collects the raise dust and recycle by the dust remover through the linking between the pipeline, guarantees to carry out recovery processing to the dust of whole building refuse treatment's system.

Pay-off dust suppression device 8 is connected inorganic material production system, and the fly ash is directly transported to inorganic material feed bin by conveyer belt 15, and the fly ash can directly be applied to further inorganic material production process, is convenient for to fly ash recycle.

The specific working process is as follows:

After the dust removal ash was collected to the dust remover, the dust removal ash is stored in feed bin 1, feed bin 1 passes through connecting piece 4 with screw conveyer 6 and is connected, through regulation and control governing valve 2, screw conveyer 6 is sent into to the dust removal ash in feed bin 1 with screw conveyer import valve 5 to tripper 3, screw in the screw conveyer 6 sends into the dust removal ash in the pay-off dust suppression device 8, conveyer belt 15 is the transmission under the drive of driving roller 16, the dust removal ash falls into on conveyer belt 15 through extending feeding section 11 and dust bag 12, the dust removal ash transportation in-process, dust fall board 14 in the sealed cowling 13 plays the dust fall effect.

Wherein, the dust remover has very big raise dust putting the dust removal ash in-process, the dust removal ash is given out after once falling the dust through the sack of 6 exports of screw conveyer, conveyer belt 15 can produce the air current in service, the air current drives raise dust and the 14 collisions of dust fall board many times, the diffusion velocity who makes the dust progressively reduces, finally fall into the material of conveyer belt 15, dust fall board 14 that "labyrinth" arranged plays the effect of effective dust fall, there is a little raise dust also can be collected once more by the dust remover through the dust removal pipeline between conveyer belt 15.

This embodiment, the transportation that is applicable to multiple powder, especially is applicable to the conveying process of the dust removal ash that the dust remover among the building rubbish collected, in building rubbish resourceful treatment to on the dust removal ash device basis is collected to current dust remover, stop the dust and leak, the polluted environment, and simple effective, low-cost collection dust removal ash, and according to building rubbish resourceful treatment's whole process design, defect is collected to reasonable solution dust removal ash.

The overall structure of equipment is simple, reforms transform simple to operate, reaches the effect that the excessive raise dust does not have in the range estimation when putting the ash, satisfies the environmental protection requirement, and need not to arrange the secondary of dust removal ash and transports the operation, effective control the dust when reduce cost.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a building rubbish dust removal ash recovery plant, its characterized in that, includes screw conveyer and pay-off dust suppression device, screw conveyer's entry end sealing connection feed bin's exit end, screw conveyer's exit end sealing connection pay-off dust suppression device, pay-off dust suppression device includes the sealed cowling, the conveyer belt is detained to the sealed cowling cover, be equipped with dust fall mechanism in the sealed cowling.

2. The recycling device for construction waste and dust according to claim 1, wherein an outlet end of the screw conveyor is connected with an extension feeding section, and the extension feeding section extends into the sealing cover.

3. The recycling device for construction waste and dust according to claim 2, wherein the extension feeding section is sleeved with a dust settling bag.

4. The construction waste dust recovery apparatus according to any one of claims 1 to 3, wherein the dust settling mechanism comprises a plurality of dust settling plates, a feeding space is provided between the dust settling plates and the conveyor belt, and the plurality of dust settling plates form a labyrinth arrangement structure in the seal cover.

5. The construction waste dust recovery apparatus according to claim 4, wherein the dust fall plates are staggered in a horizontal direction and/or a vertical direction.

6. The recycling apparatus for construction waste and dust according to claim 1, wherein the screw conveyor is connected to the installation foundation in an inclined manner, and the inclined angle of the screw conveyor is set to be 20 ° to 50 °.

7. The recycling device for construction waste and dust according to claim 6, wherein a support frame is connected to the screw conveyor, the support frame is connected to an installation foundation, and the height of the support frame is adjustable.

8. The recycling device for construction waste and precipitator dust according to claim 1, wherein an outlet end of the storage bin is connected with a regulating valve, a discharger and a connecting piece, the regulating valve is connected with the storage bin, two ends of the discharger are respectively connected with the regulating valve and the connecting piece, and the connecting piece is connected with an inlet end of the screw conveyer.

9. The recycling device for construction waste and dust according to claim 1, wherein the bin is connected to a dust remover, and the dust remover is connected to a jaw crushing treatment room, an impact crushing treatment room and/or a three-large screening treatment room.

10. The recycling equipment for construction waste and dust according to claim 1, wherein the feeding and dust suppressing device is connected with an inorganic material production system.