CN214682005U

CN214682005U - Mixer is used in preparation of compound light aggregate concrete of regeneration dry mixing

Info

Publication number: CN214682005U
Application number: CN202120611295.1U
Authority: CN
Inventors: 刘广辉; 赵彦维; 康硕
Original assignee: Hebei Lianzhong Yicheng Concrete Co ltd
Current assignee: Hebei Lianzhong Yicheng Concrete Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-11-12
Anticipated expiration: 2031-03-25

Abstract

The application relates to a mixer for preparing regenerated dry-mixed composite light aggregate concrete, which comprises a mixing drum, a mixer arranged in the mixing drum, a crusher arranged at the top of the mixing drum and a feeding device detachably connected with the mixing drum; the opening at the bottom end of the crusher is communicated with the inside of the mixing drum; and the discharge port of the feeding device is communicated with the feed port of the mixing drum. The application can ensure that the regenerated dry-mixed composite light aggregate concrete is stirred more uniformly, thereby improving the quality of finished products.

Description

Mixer is used in preparation of compound light aggregate concrete of regeneration dry mixing

Technical Field

The application relates to the technical field of concrete preparation machinery, in particular to a mixer for preparing regenerative dry-mixed composite light aggregate concrete.

Background

At present, the regenerated dry-mixed composite lightweight aggregate concrete is obtained by carrying out composite stirring on particles obtained by crushing polyurethane waste materials, construction waste active regenerated micro powder, fly ash and cement powder. In the related technology, a dry powder mixer is mostly adopted for preparing the regenerated dry-mixed composite lightweight aggregate concrete. The raw materials are poured into a dry powder stirrer according to a certain proportion and are uniformly stirred, and then are bagged in batches.

Aiming at the related technologies, the inventor finds that the problem of uneven quality of finished products is caused by uneven stirring of the regenerated dry-mixed composite lightweight aggregate concrete due to large difference of particle sizes of construction waste particles in the stirring process of the dry powder stirrer.

SUMMERY OF THE UTILITY MODEL

In order to enable the regenerated dry-mixed composite light aggregate concrete to be stirred more uniformly and further improve the quality of finished products, the application provides the stirrer for preparing the regenerated dry-mixed composite light aggregate concrete.

The application provides a compound light aggregate concrete preparation of regeneration dry-mixing is with mixer, its technical scheme who adopts as follows:

a mixer for preparing regenerative dry-mixed composite light aggregate concrete comprises a mixing drum, a mixer arranged in the mixing drum, a crusher arranged at the top of the mixing drum and a feeding device detachably connected with the mixing drum;

the opening at the bottom end of the crusher is communicated with the inside of the mixing drum;

and the discharge port of the feeding device is communicated with the feed port of the mixing drum.

By adopting the technical scheme, the large particles in the construction waste enter the mixing drum after being crushed by the crusher, and the particle size difference of the crushed construction waste particles is smaller and more uniform. The crushed construction waste particles are mixed with the polyurethane particles, the fly ash and the cement powder conveyed by the feeding device, and various raw materials are fully and uniformly mixed under the action of the stirrer, so that the quality of a finished product is improved, and the preparation of the regenerated dry-mixed composite lightweight aggregate concrete is finally completed.

Optionally, the crusher comprises a material barrel detachably connected with the top surface of the mixing barrel, two differential roll assemblies installed in the material barrel, an installation frame arranged in the material barrel, a motor installed on the installation frame, a rotating shaft detachably connected with a power output shaft of the motor, and a material distributing plate arranged on the rotating shaft.

By adopting the technical scheme, the construction waste materials are poured into the material barrel firstly, the materials with large particle size in the construction waste materials are crushed into the materials with small particle size under the rotation of the roll component, then fall onto the material distributing plate, the rotating shaft drives the material distributing plate to rotate under the driving of the motor, the materials are scattered around under the action of centrifugal force, and the dispersed materials uniformly fall into the stirring barrel.

Optionally, the material distributing plate is of a conical structure with an upward tip.

Through adopting above-mentioned technical scheme, the toper structure makes the material be difficult to pile up the stop on the material board, and the most advanced of the branch flitch of toper structure also enables to roll the material breakage of blocking to finally fall into the churn, make more abundant the mixing of material be in the same place.

Optionally, the surface of the material distribution plate is provided with a protrusion for scattering materials.

Through adopting above-mentioned technical scheme, when the arch rotated along with dividing the flitch, can produce the impact force to falling on dividing the flitch with protruding material contact, made the material further broken up.

Optionally, the surfaces of the material barrel and the material distributing plate are provided with wear-resistant coatings.

By adopting the technical scheme, the wear-resistant coating enables the material barrel and the material distributing plate to be more wear-resistant, and is not easy to be damaged by material friction, so that the service life of the crusher is longer.

Optionally, the feeding device comprises an auger conveying assembly and a feeding hopper, wherein the upper end of the auger conveying assembly is communicated with the feeding port of the mixing drum, and the feeding hopper is fixedly connected with the feeding end of the auger conveying assembly.

By adopting the technical scheme, the cement powder can be poured on the feeding hopper and then conveyed into the mixing drum by the auger conveying assembly.

Optionally, a filter frame is arranged in the feeding hopper near the upper end.

By adopting the technical scheme, when cement powder is poured into the feeding hopper, the filter frame can block the hardened and caked cement powder, so that cement blocks are prevented from entering the mixing drum, and the influence on the quality of a regenerated dry-mixed composite light aggregate concrete finished product is avoided.

Optionally, the distance between the upper surface of the filter frame and the upper end surface of the feeding hopper is 10-15 cm.

Through adopting above-mentioned technical scheme, can prevent that the material from empting the upper end face departure of follow hopper when crossing on the filter frame.

Optionally, a material blocking cover for preventing materials from splashing when the materials are dumped is arranged on the upper end face of the feeding hopper.

Through adopting above-mentioned technical scheme, when the material is poured out in from the material bag, because inertial action, partly material can be piled up to the direction of keeping away from the staff, keeps off the material cover and can prevent that the material from being splashed toppling over the in-process.

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

1. the breaker in this application gets into the churn after with the building rubbish material breakage, and the particle diameter difference of the building rubbish granule after the breakage is less, more even. The crushed construction waste particles are mixed with the polyurethane particles, the fly ash and the cement powder conveyed by the feeding device, and various raw materials are fully and uniformly mixed under the action of the stirrer, so that the quality of a finished product is improved, and the preparation of the regenerated dry-mixed composite lightweight aggregate concrete is finally completed;

2. the toper structure in this application makes the material be difficult to pile up on the material board and stops, and the most advanced of the branch flitch of toper structure can also make the material that rolls into the piece broken to finally fall into the churn, make more abundant the mixing of material be in the same place.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a mixer for preparing recycled dry-mix composite lightweight aggregate concrete, which is disclosed in the embodiment of the application.

Fig. 2 is a schematic view of a material barrel cut away to show the internal structure of the crusher.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Description of reference numerals: 11. a mixing drum; 21. a stirrer; 31. a crusher; 311. a material cylinder; 312. a roll assembly; 313. a mounting frame; 314. a motor; 315. a rotating shaft; 316. a material distributing plate; 317. a protrusion; 41. a feeding device; 411. A packing auger conveying assembly; 412. feeding a hopper; 413. a filter frame; 414. the material blocking cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a mixer for preparing regenerative dry-mixed composite light aggregate concrete, and with reference to fig. 1, the mixer comprises a mixing drum 11, a mixer 21, a crusher 31 and a feeding device 41. Wherein, churn 11 installs subaerial in the mill, and agitator 21 sets up in churn 11, and knapper 31 sets up at the top of churn 11, and knapper 31's bottom opening and the inside intercommunication each other of churn 11, loading attachment 41 can dismantle with churn 11 and be connected, and loading attachment 41's bin outlet is linked together with the feed inlet of churn 11.

Referring to fig. 1, the churn 11 can adopt metal pole and metal sheet welded support to pass through bolted connection or welded mode fixed mounting subaerial, churn 11 can adopt the vertical barrel of placing, a plurality of feed ports have been seted up on the top surface of churn 11 for add raw and other materials, of course, for preventing stirring in-process dust escape outward, need install the lid on some feed ports, the side of the bottom of churn 11 is equipped with the bin outlet, can be at bin outlet installation discharge tube and discharge valve, under the general condition, the discharge valve is manual butterfly valve or electric butterfly valve.

Referring to fig. 1, the agitator 21 is composed of a driving motor, an agitating shaft connected with a power output shaft of the driving motor through a coupling, and an agitating rod welded on the agitating shaft, the agitating rod is arranged along a radial direction, so that raw materials are mixed and agitated together in the agitating drum 11 by rolling, and finally, the raw materials are discharged from a discharge port of the agitating drum 11 and bagged.

Referring to fig. 1 and 2, the crusher 31 can crush large building garbage materials and add the crushed building garbage materials into the mixing drum 11, and the crusher 31 includes a material drum 311, a roller assembly 312, a mounting frame 313, a motor 314, a rotating shaft 315 and a material distributing plate 316.

The bottom end of the material cylinder 311 is communicated with one of the feeding holes on the top surface of the mixing cylinder 11 through a bolt connection mode, and the material cylinder 311 and the mixing cylinder 11 are detachable. The number of the roll assemblies 312 is two, the roll assemblies 312 are composed of two parallel rolls installed in the material barrel 311 at intervals and servo motors connected with the ends of the rolls through couplers, and the two servo motors rotate at different speeds to enable the two rolls to rotate at different speeds.

Referring to fig. 2, the mounting frame 313 is formed by welding two metal rods perpendicular to each other, and the mounting frame 313 is welded to the inner side surface of the material cylinder 311. The connection mode of the motor 314 and the mounting frame 313 can be bolt connection, the bottom end of the rotating shaft 315 is connected with the power output shaft of the motor 314 through a coupling, the material distribution plate 316 is welded at the top end of the rotating shaft 315, the material distribution plate 316 is of a conical structure with an upward tip, after the motor 314 is electrified, the motor 314 drives the rotating shaft 315 to rotate, the rotating shaft 315 drives the material distribution plate 316 to rotate, and materials falling onto the material distribution plate 316 fall into the stirring barrel 11 from the bottom end of the material barrel 311 after being scattered.

Referring to fig. 3, in a possible embodiment of the present application, the material distributing plate 316 is provided with protrusions 317 at intervals, the connection between the protrusions 317 and the material distributing plate 316 may be welding or integral molding, when the material distributing plate 316 rotates, the material falls on the material distributing plate 316 and touches the protrusions 317 to be broken up by impact, and the broken material falls in the mixing drum 11, so that the various materials are mixed more uniformly.

In order to make the crusher 31 more durable, the surfaces of the material cylinder 311 and the material distributing plate 316 are coated with wear-resistant coatings, and the wear-resistant coatings can be sprayed on the surfaces of the material cylinder 311 and the material distributing plate 316 by adopting ceramic wear-resistant materials, so that the material cylinder 311 and the material distributing plate 316 are prevented from being damaged by the impact force of the materials.

Referring to fig. 1, a feeding device 41 is used for feeding cement powder into the mixing drum 11, and the feeding device 41 comprises an auger conveying assembly 411 and a feeding hopper 412. Wherein, the feed inlet of the screw conveyor assembly 411 is communicated with the feeding hopper 412, and the discharge outlet of the screw conveyor assembly 411 is communicated with the feed inlet of the mixing drum 11.

Go up hopper 412 and be the toper hopper, go up the hopper 412 in the position fixedly connected with filter frame 413 near the upper end, filter frame 413 is that many metal poles that set up vertically and horizontally weld and form, and the distance of the upper surface of filter frame 413 and the up end of going up hopper 412 is 10 to 15 centimetres, avoids in the material bag placed the filter frame 413 on the caking solidification's cement powder gets into auger delivery subassembly 411, influences subsequent product quality.

In addition, a material blocking cover 414 is arranged on the upper end surface of the feeding hopper 412, the material blocking cover 414 is an arc-shaped plate, the connection mode of the material blocking cover 414 and the upper end surface of the feeding hopper 412 can be welding, and the material blocking cover 414 can prevent the material from splashing and scattering on the ground when the material is poured, so that the material is wasted.

The implementation principle of the mixer for preparing the regenerated dry-mixed composite lightweight aggregate concrete in the embodiment of the application is as follows:

when preparing the regenerated dry-mixed composite lightweight aggregate concrete, the construction waste materials are poured into the crusher 31 and fall into the mixing drum 11 after being crushed by the crusher 31, the regenerated micro powder and the medicament can be added into the mixing drum 11 through the feed inlet of the mixing drum 11, the cement powder and the polyurethane waste material particles can be conveyed into the mixing drum 11 through the feeding device 41, and are fully mixed together under the stirring operation of the mixer 21, and finally, the mixture is discharged from the discharge outlet of the mixing drum 11 and packaged.

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

1. The utility model provides a compound light aggregate concrete preparation of regeneration dry-mixing is with mixer which characterized in that: comprises a mixing drum (11), a stirrer (21) arranged in the mixing drum (11), a crusher (31) arranged at the top of the mixing drum (11) and a feeding device (41) detachably connected with the mixing drum (11);

the bottom end opening of the crusher (31) is communicated with the inside of the mixing drum (11);

and the discharge port of the feeding device (41) is communicated with the feed port of the mixing drum (11).

2. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 1, wherein: the crusher (31) comprises a material barrel (311) detachably connected with the top surface of the stirring barrel (11), two differential roll assemblies (312) arranged in the material barrel (311), a mounting frame (313) arranged in the material barrel (311), a motor (314) arranged on the mounting frame (313), a rotating shaft (315) detachably connected with a power output shaft of the motor (314), and a material distributing plate (316) arranged on the rotating shaft (315).

3. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 2, wherein: the material distributing plate (316) is of a conical structure with an upward tip.

4. The mixer for preparing recycled dry-mixed composite lightweight aggregate concrete according to claim 3, wherein: the surface of the material distributing plate (316) is provided with a bulge (317) for scattering materials.

5. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 4, wherein: the surfaces of the material barrel (311) and the material distributing plate (316) are provided with wear-resistant coatings.

6. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 1, wherein: the feeding device (41) comprises an auger conveying assembly (411) with the upper end communicated with the feeding hole of the stirring cylinder (11) and a feeding hopper (412) fixedly connected with the feeding hole of the auger conveying assembly (411).

7. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 6, wherein: a filter frame (413) is arranged in the upper hopper (412) and close to the upper end.

8. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 7, wherein: the distance between the upper surface of the filter frame (413) and the upper end surface of the upper hopper (412) is 10-15 cm.

9. The mixer for preparing recycled dry-mix composite lightweight aggregate concrete according to claim 6, wherein: and a material blocking cover (414) for preventing materials from splashing when the materials are poured is arranged on the upper end surface of the feeding hopper (412).