Powder selecting equipment for cement production

Abstract

The utility model provides powder selecting equipment for cement production, which relates to the technical field of cement production and comprises a box body, an equipment block is mounted in the box body, a crushing cavity is formed in the equipment block, and an air exhaust box is mounted in the box body; the crushing assembly is arranged in the crushing cavity and used for crushing caked materials, and the crushing assembly comprises a rotating motor, a rotating rod, a crushing rod, a scraping plate and an auger; the screening assembly is arranged in the box body and used for conducting multi-stage screening on materials, and the screening assembly comprises a screening plate, a filter screen, a driving motor and an eccentric wheel. According to the equipment, through the arrangement of the smashing assembly, caked materials can be scattered, the subsequent powder screening effect is guaranteed, meanwhile, materials are evenly discharged, the situation that a large number of materials fall onto a screening plate at a time, and consequently the screening plate is blocked is avoided, through the arrangement of the screening assembly, the materials can be subjected to multi-stage screening, meanwhile, the screening plate is vibrated, and the powder screening efficiency is improved; and the screening plate is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production technical field, concretely is cement production is with powder selecting equipment. BACKGROUND

[0002] Cement powder screening is an important link in the cement production process, its purpose is to ensure that the particle size distribution of cement products is uniform, improve the quality and performance of cement, through screening, coarse or fine particles can be removed, ensure that the particle size distribution of cement is in an ideal range. This directly affects the hydration reaction rate of cement, early strength and ultimate strength, at the same time, different engineering applications have different requirements for the fineness of cement, therefore, through screening, cement products that meet the specific application requirements can be produced.

[0003] And the existing powder screening equipment in the process of screening materials, due to the long-term storage of materials, the caking phenomenon is easy to appear, which affects the screening effect, and in the process of screening, the material is usually screened through multiple filter screens, which is easy to accumulate on the surface of the filter screen, causing the filter screen to be blocked, affecting the screening efficiency and effect. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings in the background art, provides cement production is with powder selecting equipment, through the setting of the crushing assembly, the caked material can be scattered, the effect of subsequent screening is guaranteed, at the same time, uniform material is discharged, the situation that a large amount of material is dropped on the screening plate at a time is avoided, causing the screening plate to be blocked, through the setting of the screening assembly, the material can be screened in multiple stages, at the same time, the screening plate is vibrated, the screening efficiency is accelerated, and the situation that the screening plate is blocked is avoided.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of powder selecting equipment for cement production, comprising:

[0006] Box, equipment block is installed in the box, crushing cavity is opened in the equipment block, and suction tank is installed in the box;

[0007] Crushing assembly is arranged in the crushing cavity, for crushing caked material, and the crushing assembly comprises: rotary motor, rotating rod, crushing rod, scraper and auger; and

[0008] Screening assembly is arranged in the box, for screening material in multiple stages, and the screening assembly comprises: screening plate, filter screen, driving motor and eccentric wheel.

[0009] Further, the box top is equipped with a feeding pipe, the box top is equipped with a rotary motor, the rotary motor bottom is drivenly connected with a rotating rod, the rotating rod outer side is connected with multiple crushing rods, and multiple crushing rods are evenly distributed in annular array.

[0010] Further, the device block bottom is provided with a discharging pipe communicated with the crushing cavity, the crushing cavity bottom wall is provided with an inclination to the discharging pipe, the rotary rod bottom end outside is connected with two connecting rods, the connecting rod bottom is connected with a scraper, the scraper is provided with an inclination and is close to the crushing cavity bottom wall, the discharging pipe inside is provided with an auger, and the auger top end is connected with the rotary rod.

[0011] Further, the exhaust box one side is connected with a plurality of fixed blocks, a plurality of the fixed blocks are evenly distributed in the vertical direction, the box body inside is provided with three screening plates, one side of the screening plate is rotatably connected with two fixed blocks of the same height, the box body one side is provided with three grooves, one side of the screening plate passes through the groove and protrudes from the box body outer surface.

[0012] Further, the screening plate bottom is provided with a sliding groove, two screening plates near the top are provided with filter screens, and the two filter screens are coarse filter screens and fine filter screens from top to bottom.

[0013] Further, the box body one side is provided with a plurality of driving motors, and a plurality of the driving motors are located below the screening plate, one side of the driving motor is drivingly connected with an eccentric wheel, and the eccentric wheel outside is in contact with the screening plate lower surface.

[0014] Further, the exhaust box one side is connected with a plurality of exhaust pipes, the exhaust box inside is slidably connected with a dust removal bag, and the dust removal bag lower side is provided with an exhaust pump.

[0015] The utility model provides a cement production is with selecting powder equipment, has the following beneficial effect:

[0016] The utility model discloses an advantage lies in, through the setting of the crushing assembly, can scatter the material of agglomeration, guarantees the effect of subsequent screening powder, even material distribution simultaneously, avoids a large amount of material falling on the screening plate once, leads to the condition of the screening plate blockage, secondly, through the setting of the screening assembly, can multi -stage screening to material, makes the screening plate vibrate simultaneously, accelerates screening powder efficiency, and avoids the condition of the screening plate blockage. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model.

[0018] Figure 2 It is the whole structure sectional view of the utility model.

[0019] Figure 3 It is the crushing rod structure schematic view of the utility model.

[0020] Figure 4 It is theFigure 2 Enlarged view of A in FIG.

[0021] Figure 5 The utility model discloses a Figure 2 Enlarged view of B in FIG.

[0022] Figures 1-5 In: 1, box body;101, equipment block;102, crushing cavity;103, feeding pipe;104, discharging pipe;105, slot;2, rotary motor;201, rotary rod;202, crushing rod;203, connecting rod;204, scraper;205, auger;3, air suction box;301, air suction pipe;302, dust removal bag;303, air suction pump;4, fixed block;401, screening plate;402, chute;403, filter screen;5, driving motor;501, eccentric wheel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person skilled in the art without creative work fall within the protection scope of the present application.

[0024] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplicity, the elements and acts of the various examples are described in a particular, combined technique. It should be noted that the elements and / or acts from different examples of the present application can be present in combination in a single example, or the elements and / or acts from a single example of the present application can be present in combination in multiple examples. The same reference numbers in different examples represent the same elements or acts.

[0025] The cement production powder selecting equipment is provided in the embodiments of the present application, and the cement production powder selecting equipment is described in detail below. It should be noted that the description order of the following embodiments is not regarded as the limitation on the preferred order of the embodiments.

[0026] The present application is described in detail below with reference to the drawings and specific embodiments.

[0027] Embodiment 1

[0028] Please refer to Figures 1-5In this embodiment, a cement production powder selecting device is provided, which comprises a box body 1, a device block 101 is installed inside the box body 1, a crushing cavity 102 is formed inside the device block 101, and an air extraction box 3 is installed inside the box body 1; a crushing assembly is arranged inside the crushing cavity 102 and used for crushing the caked material, the crushing assembly comprises a rotating motor 2, a rotating rod 201, a crushing rod 202, a scraper 204 and an auger 205; and a screening assembly is arranged inside the box body 1 and used for multi-stage screening of the material, the screening assembly comprises a screening plate 401, a filter screen 403, a driving motor 5 and an eccentric wheel 501.

[0029] The crushing assembly can scatter the caked material, ensure the subsequent screening effect, uniformly discharge the material, avoid the large amount of material from falling on the screening plate 401 at one time, and prevent the screening plate 401 from being blocked.

[0030] Embodiment 2

[0031] On the basis of embodiment 1, a feeding pipe 103 is installed on the top of the box body 1, and the rotating motor 2 is installed on the top of the box body 1, the bottom of the rotating motor 2 is drivingly connected with the rotating rod 201, a plurality of crushing rods 202 are connected with the outer side of the rotating rod 201, and the plurality of crushing rods 202 are uniformly distributed in an annular array.

[0032] The bottom of the device block 101 is provided with a discharge pipe 104 in communication with the crushing cavity 102, the bottom wall of the crushing cavity 102 is obliquely arranged towards the discharge pipe 104, the bottom end of the rotating rod 201 is connected with two connecting rods 203 on the outer side, the bottom of each connecting rod 203 is connected with a scraper 204, the scraper 204 is obliquely arranged and closely contacts the bottom wall of the crushing cavity 102, and the inside of the discharge pipe 104 is provided with an auger 205, and the top end of the auger 205 is connected with the rotating rod 201.

[0033] In the process of cement production, the cement powder material needs to be screened, the powder selecting can remove the coarse or fine particles, ensure that the fineness of the cement particles is distributed in an ideal range, and this is crucial for improving the quality of the cement, and due to the storage process of the material, the caking phenomenon is easy to occur, which affects the screening effect of the cement powder, at this time, the material is poured into the crushing cavity 102 through the feeding pipe 103, the rotating rod 201 is rotated by the rotating motor 2, the plurality of crushing rods 202 are rotated to stir and crush the material, the caked material is scattered, and the subsequent screening operation is facilitated.

[0034] Meanwhile, the rotating rod 201 rotates to drive the auger 205 to rotate, so that the conveying direction of the auger 205 in the feeding pipe 104 is upward conveying, and the material falling into the feeding pipe 104 is discharged, so that the caked material cannot fall into the feeding pipe 104 and block the feeding pipe 104;

[0035] After a period of crushing, the rotating motor 2 is reversed to change the conveying direction of the auger 205, so that the material in the crushing cavity 102 is uniformly discharged and falls on the screening plate 401, so that the large amount of material falling does not affect the screening effect, and the material on the bottom wall of the crushing cavity 102 is scraped to the feeding pipe 104 through the connecting rod 203 and the scraper 204.

[0036] Embodiment 3

[0037] On the basis of the embodiments 1 and 2, a plurality of fixed blocks 4 are connected to one side of the air extraction box 3, the fixed blocks 4 are uniformly distributed in the vertical direction, three screening plates 401 are arranged in the box body 1, one side of the screening plate 401 is rotationally connected to two fixed blocks 4 at the same height, three grooves 105 are formed in one side of the box body 1, one side of the screening plate 401 protrudes out of the outer surface of the box body 1 through the groove 105, a sliding groove 402 is formed in the bottom of the screening plate 401, two filter screens 403 are arranged on the two screening plates 401 close to the top, and the two filter screens 403 are coarse filter screen and fine filter screen from top to bottom.

[0038] After the material falls on the screening plate 401, the different sizes of particles in the material are filtered through the filter screen 403, the large particles in the material are isolated through the coarse filter screen on the uppermost screening plate 401, the medium and small particles fall into the middle screening plate 401 through the coarse filter screen, then the medium particles in the material are isolated through the fine filter screen on the middle screening plate 401, so that the small particles fall on the lowermost screening plate 401 through the fine filter screen, and are discharged through the lowermost screening plate 401, thereby completing the multi-stage powder screening of the cement material.

[0039] Further, a plurality of driving motors 5 are mounted on one side of the box body 1, and the driving motors 5 are located below the screening plate 401, an eccentric wheel 501 is drivingly connected to one side of the driving motor 5, and the eccentric wheel 501 is in contact with the lower surface of the screening plate 401.

[0040] Then, after the material falls on the screening plate 401, the eccentric wheel 501 is driven to rotate by the driving motor 5, so that the eccentric wheel 501 drives the screening plate 401 to reciprocate and lift, thereby realizing the shaking of the screening plate 401, accelerating the screening efficiency of the filter screen 403 on the material, and in the process of shaking, the material isolated by the filter screen 403 can slide along the sliding groove 402 and be discharged, so as to avoid the material from accumulating on the filter screen 403 and causing the filter screen 403 to be blocked.

[0041] Embodiment 4

[0042] On the basis of embodiment 3, a plurality of air extraction pipes 301 are connected to one side of the air extraction box 3, and a dust removal bag 302 is slidably connected inside the air extraction box 3, and an air extraction pump 303 is arranged below the dust removal bag 302.

[0043] During the process of the shaking screening, a large amount of dust is generated, at this time, the air extraction pump 303 is used to extract the gas inside the air extraction box 3 to the outside, so that the air pressure inside the air extraction box 3 is reduced to generate suction, and then the dust inside the box body 1 is extracted through the air extraction pipe 301, so as to reduce the dust pollution, and then the setting of the dust removal bag 302 can isolate and filter the crushed and part of the small materials in the gas inside the air extraction box 3, so as to recover the small materials floating in the dust and reduce the loss of the materials.

[0044] In the above embodiments, the description of each embodiment has its own emphasis, and the part not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0045] The cement production powder selecting device provided by the embodiments of the present application is described in detail above, and the principle and implementation mode of the present application are described by applying specific examples in this paper, and the above embodiment description is only used to help understand the technical solutions and core ideas of the present application; those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A powder classifier for cement production, characterized in that, include: The box (1) has an equipment block (101) installed inside it, and a crushing chamber (102) is opened inside the equipment block (101). The box (1) also has an exhaust box (3) installed inside it. A crushing assembly located inside the crushing chamber (102) is used to crush agglomerated materials. The crushing assembly includes: a rotary motor (2), a rotating rod (201), a crushing rod (202), a scraper (204), and an auger (205); and The screening assembly located inside the housing (1) is used for multi-stage screening of materials. The screening assembly includes: a screening plate (401), a filter screen (403), a drive motor (5), and an eccentric wheel (501).

2. The cement classifier for cement production according to claim 1, characterized in that, The top of the box (1) is equipped with a feeding pipe (103), and the top of the box (1) is equipped with a rotary motor (2). The bottom of the rotary motor (2) is connected to a rotating rod (201). Multiple crushing rods (202) are connected to the outside of the rotating rod (201), and the multiple crushing rods (202) are evenly distributed in a ring array.

3. The cement classifier for cement production according to claim 2, characterized in that, The bottom of the equipment block (101) is provided with a feeding pipe (104) that communicates with the crushing chamber (102). The bottom wall of the crushing chamber (102) is inclined toward the feeding pipe (104). Two connecting rods (203) are connected to the outer side of the bottom end of the rotating rod (201). The bottom of the connecting rod (203) is connected to a scraper (204). The scraper (204) is inclined and closely attached to the bottom wall of the crushing chamber (102). The feeding pipe (104) is provided with an auger (205), and the top end of the auger (205) is connected to the rotating rod (201).

4. The cement classifier for cement production according to claim 1, characterized in that, The suction box (3) is connected to a plurality of fixed blocks (4) on one side. The plurality of fixed blocks (4) are evenly distributed vertically. The box body (1) is provided with three screening plates (401). One side of the screening plate (401) is rotatably connected to two fixed blocks (4) at the same height. The box body (1) is provided with three slots (105) on one side. One side of the screening plate (401) passes through the slots (105) and protrudes from the outer surface of the box body (1).

5. The cement classifier for cement production according to claim 4, characterized in that, The bottom of the screening plate (401) is provided with a groove (402), and the two screening plates (401) near the top are provided with a filter screen (403), and the two filter screens (403) are a coarse filter screen and a fine filter screen from top to bottom.

6. The cement classifier for cement production according to claim 4, characterized in that, Multiple drive motors (5) are installed on one side of the housing (1), and the multiple drive motors (5) are located below the screening plate (401). An eccentric wheel (501) is driven and connected to one side of the drive motor (5), and the outer side of the eccentric wheel (501) is in contact with the lower surface of the screening plate (401).

7. The cement classifier for cement production according to claim 1, characterized in that, The extraction box (3) has multiple extraction pipes (301) connected to one side, and a dust removal bag (302) is slidably connected inside the extraction box (3). An extraction pump (303) is provided below the dust removal bag (302).

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