CN213055357U

CN213055357U - Dust fall mechanism of concrete mixing station

Info

Publication number: CN213055357U
Application number: CN202021059689.2U
Authority: CN
Inventors: 王永; 丁晓平
Original assignee: Zhuhai Zhenye Concrete Co ltd
Current assignee: Zhuhai Zhenye Concrete Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-27
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a dust fall mechanism of a concrete mixing plant, belonging to the technical field of dust removal in concrete production; the dust falling mechanism of the concrete mixing station comprises a rack and a mixing device, wherein the mixing device is arranged on the rack, a feed inlet of the mixing device is connected with a feed hopper, a feed inlet of the feed hopper is connected with an obliquely arranged feed pipe, one end of the feed pipe, which is far away from the feed hopper, is connected with a spiral lifting mechanism, a feed inlet of the spiral lifting mechanism is connected with an obliquely arranged feed pipe, one end of the feed pipe, which is far away from the spiral lifting mechanism, is fixedly connected with a sand and stone hopper through a support, and the outer edge of a feed inlet; the utility model discloses screw hoisting mechanism sends into agitating unit with the grit, carries with driven band conveyer and compares, and it is good to carry the leakproofness, and the dust absorption is assisted to the negative pressure dust extraction of feed inlet simultaneously, can effectively avoid the dust dissipation in the transportation process, further guarantees mixing station operational environment's stability.

Description

Dust fall mechanism of concrete mixing station

Technical Field

The utility model relates to a concrete production dust removal technical field especially relates to concrete mixing plant dust fall mechanism.

Background

With the continuous deterioration of natural environment, people pay more and more attention to environmental protection, and the status of environmental protection in economic construction and continuous development is more and more important. Concepts related to environment coordinated development, such as green production, sustainable development, low carbon, energy conservation and emission reduction, are continuously appeared in the concrete industry, and the problem of environmental pollution in the production process of premixed concrete is more and more emphasized.

In the production site of mixing plant, the material between the grit is stored sends into agitated vessel's feed inlet department through band conveyer, because band conveyer's open-air transport leads to the raise dust easily, causes the influence to the operational environment of mixing plant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art, and the concrete mixing plant dust fall mechanism that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust falling mechanism of a concrete mixing plant comprises a frame and a stirring device, wherein the stirring device is arranged on the frame, a feed inlet of the stirring device is connected with a feed hopper, a feed inlet of the feed hopper is connected with an obliquely arranged feed pipe, one end of the feed pipe, which is far away from the feed hopper, is connected with a spiral lifting mechanism, a feed inlet of the spiral lifting mechanism is connected with an obliquely arranged feed pipe, one end of the feed pipe, which is far away from the spiral lifting mechanism, is fixedly connected with a gravel hopper through a support, an ash collecting pipe is fixedly connected with the outer edge of the feed inlet of the gravel hopper, the top of the ash collecting pipe is fixedly connected with an ash collecting cover which is uniformly distributed, a metal protective net arranged above the ash collecting cover is also fixedly connected with the outer edge of the feed hopper of the gravel hopper, an air duct is also connected with the ash collecting pipe, one, the negative pressure air blower is characterized in that an air outlet pipe is connected to the air outlet end of the negative pressure air blower, and a waste water collecting tank is connected to one end, far away from the negative pressure air blower, of the air outlet pipe.

Preferably, spiral hoist mechanism mainly comprises drive pivot, guide fin and shell, the vertical setting of drive pivot, guide fin spiral sets up in the axle wall outside of drive pivot, the shell rigid coupling is on the driving motor of drive pivot, and overlaps in the periphery of guide fin, set up the opening with feed pipe and inlet pipe intercommunication on the shell.

Preferably, the shell is of a double-layer hollow structure, and sound insulation cotton is filled in the cavity.

Preferably, the top of the waste water collecting tank is provided with a liquid inlet pipe.

Preferably, the angle of inclination of the feed pipe and the feed pipe is 30-45 degrees.

Preferably, a vibration exciter is fixedly connected to the outer wall of the feeding pipe.

Compared with the prior art, the utility model provides a concrete mixing plant dust fall mechanism possesses following beneficial effect:

1. this grit pay-off dust fall mechanism of concrete mixing plant will send into the grit scattered dust in the grit hopper through the dust collecting cover and absorb, reduces the diffusion of dust at the mixing plant, guarantees staff's operational environment.

2. This concrete mixing plant grit pay-off dust fall mechanism sends into agitating unit with the grit through spiral lifting mechanism, carries with driven band conveyer and compares, and it is good to carry the leakproofness, and the supplementary dust absorption of negative pressure dust extraction of feed inlet can effectively avoid the dust dissipation in the transportation process simultaneously, further guarantees mixing plant operational environment's stability.

3. This concrete mixing plant grit pay-off dust fall mechanism guarantees through the vibration exciter that the grit hopper is supplied with screw hoist mechanism's stable grit, avoids blockking up, improves the transmission stability of grit.

4. This grit pay-off dust fall mechanism of concrete mixing plant sends into dirty gas into the waste water collection tank and absorbs the processing, has improved the utilization efficiency of waste water.

Drawings

Fig. 1 is one of the schematic structural diagrams of a dust fall mechanism of a concrete mixing plant provided by the present invention;

fig. 2 is an enlarged schematic structural view of a part a in fig. 1 of the dust fall mechanism of the concrete mixing station according to the present invention;

fig. 3 is a second schematic structural view of the dust falling mechanism of the concrete mixing plant according to the present invention;

fig. 4 is the utility model provides a concrete mixing plant dust fall mechanism's spiral hoist mechanism's schematic structure diagram.

In the figure: 1. a frame; 2. a stirring device; 3. a feed hopper; 4. a feed pipe; 5. a feed pipe; 6. a support; 7. a gravel hopper; 8. an ash collecting pipe; 9. a dust collecting cover; 10. a metal protective net; 11. an air duct; 12. a negative pressure fan; 13. an air outlet pipe; 14. a wastewater collection tank; 15. driving the rotating shaft; 16. a material guiding fin; 17. a housing; 18. a liquid inlet pipe; 19. a vibration exciter.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, a dust falling mechanism of a concrete mixing plant comprises a frame 1 and a stirring device 2, wherein the stirring device 2 is installed on the frame 1, a feed inlet of the stirring device 2 is connected with a feed hopper 3, a feed inlet of the feed hopper 3 is connected with a feed pipe 4 which is obliquely arranged, one end of the feed pipe 4 away from the feed hopper 3 is connected with a spiral lifting mechanism, a feed inlet of the spiral lifting mechanism is connected with a feed pipe 5 which is obliquely arranged, one end of the feed pipe 5 away from the spiral lifting mechanism is fixedly connected with a sand hopper 7 through a bracket 6, an ash collecting pipe 8 is fixedly connected with the outer edge of the feed inlet of the sand hopper 7, an ash collecting cover 9 which is uniformly distributed is fixedly connected with the top of the ash collecting pipe 8, a metal protective net 10 which is arranged above the ash collecting cover 9 is fixedly connected with the outer edge of the feed hopper of the sand hopper 7, an air duct 11 is also connected with the ash, an air outlet pipe 13 is connected to the air outlet end of the negative pressure fan 12, and a waste water collecting tank 14 is connected to one end, far away from the negative pressure fan 12, of the air outlet pipe 13.

Spiral hoist mechanism mainly comprises drive pivot 15, guide fin 16 and shell 17, and the vertical setting of drive pivot 15, guide fin 16 spiral setting are in the axial wall outside of drive pivot 15, and the shell 17 rigid coupling is on the driving motor of drive pivot 15, and the cover is in the periphery of guide fin 16, offers the opening with feed pipe 5 and inlet pipe 4 intercommunication on the shell 17.

The shell 17 is a double-layer hollow structure, and sound insulation cotton is filled in the cavity.

The top of the waste water collection tank 14 is provided with a liquid inlet pipe 18.

The angle of inclination of the feed pipe 5 and the feed pipe 4 is 30.

The vibration exciter 19 is fixedly connected with the outer wall of the feeding pipe 5.

When in use, the sand and stone are sent into the sand and stone hopper 7 by the loader, the negative pressure fan 12 is started simultaneously, negative pressure is formed in the air duct 11, dust generated when the sand and stone are sent into the sand and stone hopper 7 by the loader enters the dust collecting pipe 8 through the dust collecting cover 9 and then is sent into the air outlet pipe 13 through the air duct 11 and finally enters the waste water collecting tank 14 filled with waste water, the problem of dust dissipation generated in the sand and stone supplying process of the loader can be avoided, the sand and stone enters the shell 17 through the feeding pipe 5, the vibration exciter 19 arranged on the feeding pipe 5 can vibrate the feeding pipe 5 to avoid blockage of the feeding pipe, the sand and stone feeding stability is improved, the sand and stone entering the spiral lifting mechanism are lifted to the intersection point of the shell 17 and the feeding pipe 4 under the action of the guide fins 16 driven by the driving rotating shaft 15 and are sent into the stirring device 2 through the feeding hopper 3, carry the leakproofness good, the supplementary dust absorption of negative pressure dust extraction of feed inlet simultaneously can effectively avoid the dust dissipation in the transportation process, further guarantees mixing plant operational environment's stability, realizes the production of concrete through agitating unit 2 at last.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a concrete mixing plant dust fall mechanism, includes frame (1) and agitating unit (2), agitating unit (2) are installed in frame (1), its characterized in that, the feed inlet department of agitating unit (2) is connected with feeder hopper (3), the feed inlet of feeder hopper (3) is connected with inlet pipe (4) that the slope set up, the one end that feeder hopper (3) were kept away from in inlet pipe (4) is connected with spiral lifting mechanism, spiral lifting mechanism's feed inlet is connected with feed pipe (5) that the slope set up, the one end that spiral lifting mechanism was kept away from in feed pipe (5) has grit hopper (7) through support (6) rigid coupling, the outer fringe rigid coupling of grit hopper (7) feed inlet has ash collecting pipe (8), the top rigid coupling of ash collecting pipe (8) has evenly distributed's ash collecting cover (9), the feed hopper outer fringe of grit hopper (7) still rigid coupling has metal protection network (10) of arranging ash collecting cover (9) top in The dust collecting device is characterized in that an air duct (11) is further connected to the dust collecting pipe (8), a negative pressure fan (12) installed on the support (6) is fixedly connected to one end, far away from the dust collecting pipe (8), of the air duct (11), an air outlet pipe (13) is connected to the air outlet end of the negative pressure fan (12), and one end, far away from the negative pressure fan (12), of the air outlet pipe (13) is connected with a waste water collecting tank (14).

2. The concrete mixing station dust fall mechanism according to claim 1, wherein the spiral lifting mechanism mainly comprises a driving rotating shaft (15), a material guiding fin (16) and a shell (17), the driving rotating shaft (15) is vertically arranged, the material guiding fin (16) is spirally arranged on the outer side of the shaft wall of the driving rotating shaft (15), the shell (17) is fixedly connected to a driving motor of the driving rotating shaft (15) and sleeved on the periphery of the material guiding fin (16), and an opening communicated with the feeding pipe (5) and the feeding pipe (4) is formed in the shell (17).

3. The dust fall mechanism for the concrete mixing plant according to claim 2, wherein the shell (17) is of a double-layer hollow structure, and a sound insulation cotton is filled in a cavity.

4. The concrete mixing station dust fall mechanism according to claim 3, characterized in that a liquid inlet pipe (18) is arranged at the top of the waste water collecting tank (14).

5. The concrete mixing station dust fall mechanism according to claim 4, characterized in that the inclination angle of the feed pipe (5) and the feed pipe (4) is 30-45 degrees.

6. The concrete mixing station dust fall mechanism according to any one of claims 1 to 5, characterized in that an exciter (19) is fixedly connected to the outer wall of the feed pipe (5).