Limestone powder filtering and collecting device

Abstract

The utility model provides a limestone powder filtering and collecting device which comprises a filtering box, an air inlet and an air outlet, a first filter screen and a second filter screen are sequentially installed in the filtering box from left to right, a first discharging groove and a second discharging groove are formed below the filtering box, the first discharging groove is formed in the left side of the first filter screen, and the second discharging groove is formed in the right side of the second filter screen. A first discharging pipe is installed at the lower end of the first discharging groove, a second discharging pipe is installed at the lower end of the second discharging groove, a first collecting bag is installed below the first discharging pipe, a second collecting bag is installed below the second discharging pipe, and a first movable cleaning brush is arranged on the left side of the first filter screen. A second movable cleaning brush is arranged on the left side of the second filter screen. Graded collection of limestone powder with different granularities can be achieved through the two-stage filter screen, and the collection efficiency is improved through the detachable collection bag; the relatively closed filter box is combined with the top nozzle to spray water to inhibit dust, and the dust falling effect is good; meanwhile, the motor drives the movable cleaning brush to automatically clean the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of limestone production technology, especially a limestone powder filtering and collecting device. BACKGROUND

[0002] Limestone powder is a fine powder material made of limestone as raw material through crushing, grinding and other processing technology. Its main component is calcium carbonate (CaCO3), which is a widely used industrial raw material. In the production and processing of limestone powder, the filtering and collecting device is a crucial link. The prior art discloses a limestone powder filtering device with the application number 201920490902.6, which comprises a filter cylinder, a feed inlet is arranged on the bottom side wall of the filter cylinder, an outlet is arranged on the top side wall of the side of the filter cylinder away from the feed inlet, a first filter screen and a second filter screen are vertically arranged in the filter cylinder from one end close to the feed inlet to the other end, and an electric heating belt is wound on the outer wall of the filter cylinder. The utility model has the advantages of simple structure, reasonable design, double filtration of the first and second filter screens in the filter cylinder, filtering out large particle limestone, ensuring uniform and suitable particle size of the output limestone powder, providing appropriate temperature by the electric heating belt, ensuring the moisture of the limestone powder, reducing the cementation of the limestone powder during transportation, thereby reducing the blockage probability of the conveying pipeline, and being beneficial to improving the utilization rate and transportation efficiency of the limestone powder. However, the prior art still has problems in collection, lack of grading collection, cannot meet diversified needs, inconvenient collection method, low efficiency and high labor intensity of manual operation, poor dust reduction effect, easy dust accumulation and overflow, environmental pollution and health hazards, difficult filter screen cleaning, time-consuming and labor-consuming manual disassembly and cleaning, filter screen damage, and equipment operation problems. Therefore, we propose a limestone powder filtering and collecting device to solve the above problems. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies in the above problems, the utility model provides a limestone powder filtering and collecting device, which can realize grading collection of limestone powder of different particle sizes through two-stage filter screens, improve collection efficiency by detachable collecting bags, inhibit dust by water spraying of the relatively closed filter box combined with the top nozzle, and have good dust reduction effect. Meanwhile, the filter screen is automatically cleaned by the motor-driven moving cleaning brush.

[0004] In order to solve the above problems, the technical scheme provided by the utility model is as follows:

[0005] The utility model provides a limestone powder filtering collection device, including filter box, air inlet and air outlet, the filter box inside installs filter screen no.

[0006] Further, the upper end of the filter box is fixedly installed with a first rotating motor and a second rotating motor, the output end of the first rotating motor is fixedly connected with the upper end of a first threaded rod, the lower end of the first threaded rod is rotationally connected with the inner wall of the filter box, the first movable cleaning brush is threadedly connected with the first threaded rod, the output end of the second rotating motor is fixedly connected with the upper end of a second threaded rod, the lower end of the second threaded rod is rotationally connected with the inner wall of the filter box, and the second movable cleaning brush is threadedly connected with the second threaded rod.

[0007] Further, a spray head is installed on the top of the filter box, the spray head is connected with an external water source through a connecting water pipe, and the spray head is arranged at the right side of the filter screen no.

[0008] Further, a drain port is arranged at the bottom of the filter box, and the drain port is located at the lowest position at the right side of the filter box.

[0009] Further, the first collection bag and the second collection bag are detachably designed.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] 1. The two-stage filter screen can accurately separate limestone powder particle sizes and meet various requirements; the detachable collection bag can improve efficiency, reduce labor intensity and time cost;

[0012] 2. The closed filter box combined with the spray head can spray water to suppress dust flying, reduce accumulation and overflow, create a clean environment, and protect personnel health;

[0013] 3、Motor drive cleaning brush automatic cleaning filter screen, with water spray, to avoid manual disassembly damage filter screen, prolong the life, improve the stability and efficiency of equipment operation BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the utility model.

[0015] Main component symbol explanation:

[0016] 1-filter box, 101-inlet, 102-outlet, 2-filter screen one, 3-filter screen two, 4-sprayer, 5-connection water pipe, 6-feeding groove one, 7-feeding groove two, 8-discharge pipe one, 9-discharge pipe two, 10-first collection bag, 11-second collection bag, 12-first rotating motor, 13-second rotating motor, 14-first threaded rod, 15-second threaded rod, 16-first moving cleaning brush, 17-second moving cleaning brush, 18-liquid discharge port. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be further explained in detail below by combining with drawings and examples, but the examples are not as the limitation of the utility model.

[0018] As Figure 1As shown, the embodiment of the utility model includes filter box 1, air inlet 101 and air outlet 102, filter box 1 inside is installed filter screen one 2 and filter screen two 3 in proper order from left to right, the lower part of filter box 1 is provided with downcomer one 6 and downcomer two 7, downcomer one 6 is arranged at the left side of filter screen one 2, downcomer two 7 is arranged at the left side of filter screen two 3, the lower end of downcomer one 6 is installed with discharge pipe one 8, the lower end of downcomer two 7 is installed with discharge pipe two 9, the lower part of discharge pipe one 8 is installed with first collection bag 10, the lower part of discharge pipe two 9 is installed with second collection bag 11, first collection bag 10 and second collection bag 11 all adopt detachable design, the airflow containing limestone powder enters filter box 1 from air inlet 101, first passes through filter screen one 2, the limestone powder of relatively large particle is intercepted, and along the filter screen slide to downcomer one 6, and then enter first collection bag 10 through discharge pipe one 8. The airflow remaining containing relatively small particle continues to flow to the right, passes through filter screen two 3, and the limestone powder of relatively small particle is intercepted, and along the filter screen slide to downcomer two 7, and then enter second collection bag 11 through discharge pipe two 9. The clean air after filtering is discharged from air outlet 102.

[0019] The left side of filter screen one 2 is provided with first mobile cleaning brush 16, and the left side of filter screen two 3 is provided with second mobile cleaning brush 17.

[0020] The upper end of filter box 1 is fixedly installed with first rotating motor 12 and second rotating motor 13, the output end of first rotating motor 12 is fixedly connected with the upper end of first threaded rod 14, the lower end of first threaded rod 14 is rotationally connected with the inner wall of filter box 1, first mobile cleaning brush 16 is threadedly connected with first threaded rod 14, the output end of second rotating motor 13 is fixedly connected with the upper end of second threaded rod 15, the lower end of second threaded rod 15 is rotationally connected with the inner wall of filter box 1, and second mobile cleaning brush 17 is threadedly connected with second threaded rod 15. Along with the progress of the filtering process, the limestone powder will be accumulated on the filter screen, at this time, first rotating motor 12 and second rotating motor 13 are started. First rotating motor 12 drives first threaded rod 14 to rotate, so that first mobile cleaning brush 16 moves up and down along first threaded rod 14, and the limestone powder on the surface of filter screen one 2 is cleaned. Similarly, second rotating motor 13 drives second threaded rod 15 to rotate, and second mobile cleaning brush 17 cleans the limestone powder on the surface of filter screen two 3. The cleaned limestone powder also slides along the filter screen to the corresponding downcomer and enters the collection bag

[0021] The top of filter box 1 is installed with spray head 4, spray head 4 is connected with external water source through connecting water pipe 5, spray head 4 is arranged at the right side of filter screen two 3, and the bottom of filter box 1 is provided with drain port 18. Drain port 18 is located at the lowest part of the right side of filter box 1. Periodically or when more thorough cleaning is needed, the external water source is opened, water enters spray head 4 through connecting water pipe 5, and spray head 4 sprays water in the inside of filter box 1.

[0022] Among them, the electrical components appearing in the text are all electrically connected with the master controller and power supply outside, and the master controller can be a conventional known device such as a computer for control.

[0023] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A limestone powder filtering and collecting device, comprising a filtering box (1), an air inlet (101) and an air outlet (102), wherein the inside of the filtering box (1) is sequentially provided with a filter screen one (2) and a filter screen two (3) from left to right, characterized in that, The lower part of the filter box (1) is provided with a discharge chute one (6) and a discharge chute two (7), the discharge chute one (6) is arranged on the left side of the filter screen one (2), the discharge chute two (7) is arranged on the left side of the filter screen two (3), the lower end of the discharge chute one (6) is provided with a discharge pipe one (8), the lower end of the discharge chute two (7) is provided with a discharge pipe two (9), the lower part of the discharge pipe one (8) is provided with a first collecting bag (10), the lower part of the discharge pipe two (9) is provided with a second collecting bag (11), the left side of the filter screen one (2) is provided with a first movable cleaning brush (16), the left side of the filter screen two (3) is provided with a second movable cleaning brush (17).

2. A limestone dust filtering and collecting device as claimed in claim 1, characterized in that, The upper end of the filter box (1) is fixedly provided with a first rotating motor (12) and a second rotating motor (13), the output end of the first rotating motor (12) is fixedly connected with the upper end of a first threaded rod (14), the lower end of the first threaded rod (14) is rotatably connected with the inner wall of the filter box (1), the first movable cleaning brush (16) is threadedly connected with the first threaded rod (14), the output end of the second rotating motor (13) is fixedly connected with the upper end of a second threaded rod (15), the lower end of the second threaded rod (15) is rotatably connected with the inner wall of the filter box (1), the second movable cleaning brush (17) is threadedly connected with the second threaded rod (15).

3. A limestone dust filtering and collecting device as claimed in claim 2, characterized in that The top of the filter box (1) is provided with a spray head (4), the spray head (4) is connected with an external water source through a connecting water pipe (5), and the spray head (4) is arranged on the right side of the filter screen two (3).

4. A limestone dust filtering and collecting device as claimed in claim 3, characterized in that The bottom of the filter box (1) is provided with a drain port (18), and the drain port (18) is located at the lowest position on the right side of the filter box (1).

5. A limestone dust filtering and collecting device as claimed in claim 4, characterized in that The first collecting bag (10) and the second collecting bag (11) are detachable.

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