Dry powder filtering equipment for chemical enterprise

Abstract

The utility model relates to the field of dry powder filtering equipment, in particular to dry powder filtering equipment for chemical enterprises, which comprises a mounting frame, a shell and a filtering component, the filtering assembly comprises a fixing plate, a connecting plate, a first rotating seat, a second rotating seat, a fine powder screening hopper and a coarse powder screening hopper; the fixing plate and the connecting plate are connected with the inner wall of the shell; the fine powder screening hopper is connected with the first rotating seat, and the coarse powder screening hopper is connected with the second rotating seat; the first rotating seat drives the fine powder screening hopper to rotate, the second rotating seat drives the coarse powder screening hopper to rotate, the contact area between the fine powder screening hopper and powder and the contact area between the coarse powder screening hopper and the powder are increased, uniform distribution of the powder is promoted, meanwhile, wind power is conveyed from the bottom of the shell to the inner cavity of the shell through the air supply assembly, centrifugal cyclone is formed in the inner cavity of the shell, and therefore the powder can be evenly distributed. And the powder can be suspended and further dispersed in the rotating process, so that coarse powder and fine powder are thoroughly separated, the problem that the powder cannot be thoroughly cleaned due to filtering dead angles is avoided, and the filtering effect of the powder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry powder filtering equipment field, concretely relates to a dry powder filtering equipment for chemical enterprise. BACKGROUND

[0002] The dry powder filter is also called mechanical impurity filter, and is one of main equipment for dry powder pretreatment. According to the condition of dry powder, corresponding design scheme is adopted to remove impurities such as suspended matter, colloid, silt, clay, humus and particulate matter in dry powder efficiently, and the purpose of dry powder purity is achieved.

[0003] There is certain research on dry powder filtering equipment in prior art, and the patent document with the application number CN213612585U discloses a powder screening machine, which comprises a supporting frame, a fine powder shell is fixedly installed at the top of the supporting frame, a coarse powder shell is sleeved outside the fine powder shell, the coarse powder shell is connected with a collecting shell at the bottom, the bottom plate of the collecting shell is connected with the outer wall of the fine powder shell, the top of the coarse powder shell is connected with a feeding pipe, the bottom of the fine powder shell is connected with a fine powder pipe, the bottom of the collecting shell is connected with a coarse powder pipe, a screening device is horizontally swing-installed in the coarse powder shell, and the screening device is located between the feeding pipe and the fine powder shell.

[0004] Therefore, when the powder enters the coarse powder shell through the feeding pipe and passes through the horizontally swing-installed screening device, the coarse powder is left on the top of the screening device, and the fine powder passes through the screening device and falls into the fine powder shell, and due to the reciprocating swing of the screening device, the coarse powder falls from one side of the screening device due to inertia and falls into the collecting shell, so that the separation of coarse powder and fine powder is realized. However, the horizontally swing-installed screening device separates the coarse powder and fine powder, and there is a filtering dead angle, so that the powder in the place not involved in the swing of the screening device is difficult to be effectively separated, and the powder filtering effect is affected. UTILITY MODEL CONTENT

[0005] In order to solve the technical problem that the way of separating coarse powder and fine powder through the horizontally swing-installed screening device in the background art has a filtering dead angle, so that the powder in the place not involved in the swing of the screening device is difficult to be effectively separated, the utility model provides a dry powder filtering equipment for chemical enterprise.

[0006] In order to solve the above technical problem, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of chemical enterprise dry powder filtering equipment, including mounting frame, shell and filter assembly;Wherein, the shell is connected to the upper portion of the inside of the mounting frame, the shell top is equipped with inlet;The filter assembly includes fixed plate, connecting plate, first rotating seat, second rotating seat, fine powder sieve, coarse powder sieve and air supply component;The fixed plate and the connecting plate are connected with the inner wall of the shell, and the connecting plate is below fixed plate;The first rotating seat is rotatably connected with the top of fixed plate by bearing, and the second rotating seat is rotatably connected with the top of connecting plate by bearing;The fine powder sieve is connected with the top of first rotating seat, and the coarse powder sieve is connected with the top of second rotating seat;The air supply component is communicated with the inner cavity of shell from the bottom of shell.

[0008] Preferably, the bottom of the first rotating seat and the top of the second rotating seat are connected with rotating rods, the surface of the rotating rod is connected with a first pulley, when the rotating rod starts to rotate, it can synchronously drive the first rotating seat and the second rotating seat to rotate quickly.

[0009] Preferably, the center of the bottom of the shell is connected with a ventilation pipe, and the two sides of the bottom of the shell are connected with coarse powder discharge pipes. By introducing external airflow into the shell through the ventilation pipe, the dry powder accumulated at the bottom of the inner cavity of the shell is lifted up and discharged out of the shell through the coarse powder discharge pipes.

[0010] Preferably, the surface of the first pulley is engaged with a second transmission belt, the back of the shell is connected with a second motor, the output end of the second motor is connected with a second pulley, and the inside of the other end of the second transmission belt passes through the back of the shell and engages with the second pulley, so that the second motor serves as a driving source to drive the second pulley to rotate quickly. The second pulley can synchronously drive the first pulley to rotate through the second transmission belt during rotation, thereby driving the rotating rod to rotate.

[0011] Preferably, the middle part of the two sides of the shell is connected with a medium powder discharge pipe, and the upper part of the two sides of the shell is connected with a fine powder discharge pipe, so that the filtering device can filter dry powder of different weights and different sizes.

[0012] Preferably, the inside of the medium powder discharge pipe is connected with a medium powder filter screen, which can prevent coarse powder from entering during the filtering process. The coarse powder falls downward under the influence of its own gravity to the bottom of the shell and is discharged through the coarse powder discharge pipe.

[0013] Preferably, the two sides of the top of the inner cavity of the shell are connected with drainage plates to guide the fine powder passing through the fine powder sieve to be discharged through the fine powder discharge pipe.

[0014] Preferably, the air supply assembly is a fan, and the fan is connected with the air inlet end of the ventilation pipe, so that the fan can generate air flow to the ventilation pipe, and the ventilation pipe can transmit the air flow to the inside of the shell to form a centrifugal cyclone, thereby facilitating the filtering of the filtering device.

[0015] Preferably, the chemical enterprise dry powder filtering device further comprises a crushing assembly, the crushing assembly comprises a rotating shaft, rotating blades and a driving assembly; the rotating shaft is rotationally connected with the front surface of the inner cavity of the material inlet through a bearing, and the rotating blades are connected to the surface of the rotating shaft; and the output end of the driving assembly is coaxially connected with the rotating shaft.

[0016] Preferably, the driving assembly comprises a driven wheel, a first transmission belt, a driving wheel and a first motor; the driven wheel is coaxially connected with the rotating shaft, the first transmission belt is rotationally connected with the surface of the driven wheel, the driving wheel is rotationally connected with the center of the inner side of the first transmission belt, and the first motor is coaxially connected with the driving wheel.

[0017] In the above technical solution, the technical effects and advantages of the present application are provided:

[0018] 1. The chemical enterprise dry powder filtering device provided by the present application can drive the fine powder sieve hopper to rotate through the first rotating seat, drive the coarse powder sieve hopper to rotate through the second rotating seat, increase the contact area of the fine powder sieve hopper and the coarse powder sieve hopper with the powder, promote the uniform distribution of the powder, and at the same time, the air flow is transmitted from the bottom of the shell to the inner cavity of the shell through the air supply assembly, a centrifugal cyclone is formed in the inner cavity of the shell, which is helpful for the suspension and further dispersion of the powder during the rotation process, so that the coarse powder and the fine powder are completely separated, the problem of incomplete cleaning of the powder caused by the filtering dead angle is avoided, and the filtering effect of the powder is improved.

[0019] 2. The chemical enterprise dry powder filtering device provided by the present application can drive the rotating shaft and the rotating blades to rotate in the material inlet through the first motor, has the function of breaking the caked dry powder, and can effectively break the caked powder entering the filtering device through the rotating mode, thereby avoiding the problem that the caked dry powder cannot be effectively filtered after entering the filtering device, and greatly improving the filtering effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0021] Figure 1 It is the whole structure front view of the utility model;

[0022] Figure 2 It is the whole structure front view of the utility model;

[0023] Figure 3 It is the whole structure side view of the utility model;

[0024] Figure 4 It is the partial structure plan view of the utility model;

[0025] Figure 5 It is the whole structure of the utility model Figure 4 The structure of A place in the middle is enlarged view.

[0026] Mark explanation:

[0027] 1, mounting bracket;2, shell;3, inlet;4, rotating shaft;5, rotating blade;6, driven wheel;7, first transmission belt;8, driving wheel;9, first motor;10, fixed plate;11, connecting plate;12, first rotating seat;13, second rotating seat;14, fine powder sieve;15, coarse powder sieve;16, rotating rod;17, first pulley;18, ventilation pipe;19, coarse powder discharge pipe;20, medium powder discharge pipe;21, medium powder filter screen;22, fine powder discharge pipe;23, drainage plate;24, fan;25, second transmission belt;26, second motor;27, second pulley. Specific implementation

[0028] In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0029] The utility model provides a kind of dry powder filtering equipment for chemical enterprise as Figures 1-5 As shown in the figure, including mounting bracket 1, shell 2, filter assembly and crushing assembly.

[0030] The upper portion of the inner side of mounting bracket 1 is connected with shell 2, and the center of the top of shell 2 is provided with inlet 3.

[0031] Crushing assembly includes rotating shaft 4, rotating blade 5 and driving assembly. Driving assembly includes driven wheel 6, first transmission belt 7, driving wheel 8 and first motor 9. The front of the inner cavity of inlet 3 is rotatably connected with rotating shaft 4 by bearing, the surface of rotating shaft 4 is connected with rotating blade 5, and the back of rotating shaft 4 is connected with driven wheel 6 through inlet 3, the surface of driven wheel 6 is rotatably connected with first transmission belt 7, the center of the inner side of first transmission belt 7 is rotatably connected with driving wheel 8, the back of driving wheel 8 is connected with first motor 9, the right side of the inner cavity of shell 2 is connected with fixed plate 10,

[0032] The filtering assembly comprises a fixed plate 10, a connecting plate 11, a first rotating seat 12, a second rotating seat 13, a fine powder sieve 14, a coarse powder sieve 15 and a wind supply assembly.

[0033] The lower part of the fixed plate 10 is provided with the connecting plate 11, the top of the fixed plate 10 is rotatably connected with the first rotating seat 12 through a bearing, the top of the connecting plate 11 is rotatably connected with the second rotating seat 13 through a bearing, the top of the first rotating seat 12 is connected with the fine powder sieve 14, and the top of the second rotating seat 13 is connected with the coarse powder sieve 15.

[0034] The bottom of the first rotating seat 12 and the top of the second rotating seat 13 are both connected with a rotating rod 16, the surface of the rotating rod 16 is connected with a first belt pulley 17, when the rotating rod 16 starts to rotate, the first rotating seat 12 and the second rotating seat 13 can be synchronously driven to rotate quickly.

[0035] The bottom center of the shell 2 is connected with a ventilation pipe 18, and the two sides of the bottom of the shell 2 are connected with a coarse powder discharge pipe 19. External airflow is introduced into the shell 2 through the ventilation pipe 18, so that the dry powder accumulated at the bottom of the inner cavity of the shell 22 is lifted up and discharged out of the shell 2 through the coarse powder discharge pipe 19.

[0036] The surface of the first belt pulley 17 is engaged with a second transmission belt 25, the back of the shell 2 is connected with a second motor 26, the output end of the second motor 26 is connected with a second belt pulley 27, and the inner side of the other end of the second transmission belt 25 passes through the back of the shell 2 and is engaged with the second belt pulley 27, so that the second motor 26 serves as a driving source to drive the second belt pulley 27 to rotate quickly, and the second belt pulley 27 can synchronously drive the first belt pulley 17 to rotate through the second transmission belt 25 in the process of rotation, thereby driving the rotating rod 16 to rotate.

[0037] The middle part of the two sides of the shell 2 is connected with a medium powder discharge pipe 20, the inner side of the medium powder discharge pipe 20 is connected with a medium powder filter screen 21, and the upper part of the two sides of the shell 2 is connected with a fine powder discharge pipe 22, so that the filtering device can filter dry powder of different weights and different sizes, the medium powder filter screen can avoid the entry of coarse powder in the filtering process, and the coarse powder falls downward under the influence of its own gravity to the bottom of the shell 2 and is discharged through the coarse powder discharge pipe 19.

[0038] The two sides of the top of the inner cavity of the shell 2 are connected with a drainage plate 23, which guides the fine powder passing through the fine powder sieve 14 to be discharged through the fine powder discharge pipe 22.

[0039] The wind supply assembly is a fan 24, the right side of the ventilation pipe 18 is connected with the fan 24, so that the fan 24 can generate wind power to the ventilation pipe 18, the ventilation pipe 18 transmits the wind to the inside of the shell 2 to form a centrifugal cyclone, and the filtering device is convenient for filtering.

[0040] Refer to the drawings in the specificationFigures 1-5 The working principle is that when the filtering device needs to work, the dry powder is put into the filtering device through the feeding port 3, then the feeding port 3 is closed, the second motor 26 is opened, the output end of the second motor 26 rotates to drive the second belt pulley 27 to rotate, the rotation of the second belt pulley 27 drives the second transmission belt 25 to rotate, the second transmission belt 25 transmits the rotating power of the motor to the first belt pulley 27, since the rotating rod 16 is connected with the first belt pulley 27, when the first belt pulley 27 rotates, the rotating rod 16 rotates to drive the first rotating seat 12 and the second rotating seat 13 to rotate, then the first rotating seat 12 and the second rotating seat 13 drive the fine powder sieve hopper 14 and the coarse powder sieve hopper 15 to rotate, then the fan 24 is opened, the fan 24 sends air to the inside of the shell 2 through the air duct 18, and centrifugal cyclone is formed in the inside of the shell 2, then the dry powder with small particles passes through the coarse powder sieve hopper 15 and the fine powder sieve hopper 14, is blown to the upper part of the inside of the shell 2 by the centrifugal cyclone, and is guided by the guide plate 23 to be discharged through the fine powder discharge pipe 22, the dry powder with medium particles is blown by the centrifugal cyclone, passes through the coarse powder sieve hopper 15, and is suspended in the middle part of the inside of the shell 2, is rotated and blocked by the fine powder sieve hopper 14, and is discharged through the medium powder discharge pipe 20 after passing through the medium powder filter screen, the dry powder with large particles is blown by the centrifugal cyclone, but cannot be blown up due to the large gravity, so falls downwards in the inside of the shell 2 and is discharged through the coarse powder discharge pipe 19, the rotation and blocking of the sieve hoppers filter the dry powder in the shell 2 in multiple layers and discharge the dry powder, so that the dry powder with different sizes is effectively separated, and the filtering efficiency and filtering quality of the device are greatly improved.

[0041] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A dry powder filtration apparatus for a chemical plant, characterized by: Including mounting frame (1), shell (2) and filter assembly, wherein, The shell (2) is connected to the upper part of the inside of the mounting frame (1), and the top of the shell (2) is provided with a feeding port (3). The filter assembly comprises a fixed plate (10), a connecting plate (11), a first rotating seat (12), a second rotating seat (13), a fine powder sieve (14), a coarse powder sieve (15) and a air supply assembly. The fixed plate (10) and the connecting plate (11) are connected with the inner wall of the shell (2), and the connecting plate (11) is located below the fixed plate (10). The first rotating seat (12) is rotatably connected with the top of the fixed plate (10) through a bearing, and the second rotating seat (13) is rotatably connected with the top of the connecting plate (11) through a bearing. The fine powder sieve (14) is connected with the top of the first rotating seat (12), and the coarse powder sieve (15) is connected with the top of the second rotating seat (13). The air supply assembly is in communication with the inner cavity of the shell (2) from the bottom of the shell (2).

2. The dry powder filtration apparatus for a chemical plant according to claim 1, characterized in that: The bottom of the first rotating seat (12) and the top of the second rotating seat (13) are connected with a rotating rod (16), and the surface of the rotating rod (16) is connected with a first belt pulley (17).

3. The dry powder filtration apparatus of claim 1, wherein: The center of the bottom of the shell (2) is connected with a ventilation pipe (18), and the two sides of the bottom of the shell (2) are connected with a coarse powder discharge pipe (19).

4. The dry powder filtration apparatus of claim 2, wherein: The surface of the first belt pulley (17) is engaged with a second transmission belt (25), the back of the shell (2) is connected with a second motor (26), the output end of the second motor (26) is connected with a second belt pulley (27), and the inside of the other end of the second transmission belt (25) passes through the back of the shell (2) and is engaged with the second belt pulley (27).

5. The dry powder filtration apparatus of claim 1, wherein: The middle part of the two sides of the shell (2) is connected with a medium powder discharge pipe (20), and the upper part of the two sides of the shell (2) is connected with a fine powder discharge pipe (22).

6. The dry powder filtration apparatus of claim 5, wherein: The inside of the medium powder discharge pipe (20) is connected with a medium powder filter screen (21).

7. The dry powder filtration apparatus of claim 1, wherein: The two sides of the top of the inner cavity of the shell (2) are connected with a drainage plate (23).

8. The dry powder filtration apparatus of claim 3, wherein: The air supply assembly is a fan (24), and the fan (24) is connected with the air inlet end of the ventilation pipe (18).

9. A dry powder filtration apparatus for a chemical plant according to any one of claims 1 to 8, characterized in that: The chemical enterprise dry powder filtering equipment further comprises a crushing assembly, and the crushing assembly comprises a rotating shaft (4), a rotating blade (5) and a driving assembly. The rotating shaft (4) is rotatably connected with the front surface of the inner cavity of the feeding port (3) through a bearing, and the rotating blade (5) is connected to the surface of the rotating shaft (4). The output end of the driving assembly is coaxially connected with the rotating shaft (4).

10. The dry powder filtration apparatus for a chemical plant of claim 9, wherein: The driving assembly comprises a driven wheel (6), a first transmission belt (7), a driving wheel (8) and a first motor (9). The driven wheel (6) is coaxially connected with the rotating shaft (4), the first transmission belt (7) is rotatably connected with the surface of the driven wheel (6), the driving wheel (8) is rotatably connected with the center of the inside of the first transmission belt (7), and the first motor (9) is coaxially connected with the driving wheel (8).

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