CN219187722U - Powder air current rising channel structure - Google Patents

Abstract

The utility model relates to crushing and grading equipment, in particular to a powder airflow rising channel structure, which comprises a crushing bin capable of crushing powder and a plurality of power sources capable of providing powder airflow flow, and further comprises: the airflow rising part comprises a plurality of classification bins and primary screening bins which are communicated with each other and are independently arranged, wherein at least one screening unit is respectively arranged in each classification bin and each primary screening bin, and powder with different particle diameters can be screened through the action of the power source; this powder air current rises channel structure can realize filtering the classification through the filter screen of adjusting and changing different particle diameters, and this channel structure is simple, can drive the powder through the fan and rise or remove along the air current direction, is convenient for shift the sieve material in the classifying process, and this structure can cooperate filter screen and screening unit to realize multistage fine screening, can avoid mixing the tiny particle in the sun material and lead to screening insufficiently, and screening progression is more, and the fineness is better, also can be suitable for the screening of miropowder or superfine powder.

Description

Powder air current rising channel structure

Technical Field

The utility model relates to crushing and grading equipment, in particular to a powder airflow ascending channel structure.

Background

The superfine pulverizer set is a whole set of pulverizing system comprising a pulverizer main machine, a cyclone separator, a dust remover, a fan and the like, wherein the pulverizer utilizes a revolving body rotating around high speed to impact materials violently, the materials are superfine pulverized through the comprehensive actions of various forces such as shearing, friction, collision and the like, the materials meeting the fineness requirement enter the next procedure after being screened and dedusted, the coarse materials return to a pulverizing area for secondary pulverization, and the whole process is clean, rapid and efficient, so that the superfine pulverizer is widely applied to multiple industries such as pharmacy, food, chemical industry and the like.

At present, classification operation of powder can be realized through an air classifier, materials move to a classification area along with ascending air flow at a high speed by a lower end feed inlet of the classifier, coarse and fine materials are separated under the action of strong centrifugal force generated by a classification turbine rotating at a high speed, but the current air classifier is required to be matched with a cyclone separator to separate solid particles in air flow by utilizing the centrifugal force, but the cyclone separator has higher equipment cost, in addition, the screening classification operation performed after superfine powder is crushed, the superfine powder or superfine powder particles cannot be sufficiently classified by the aid of the traditional air classifier, because the superfine powder particles have the characteristics of light weight and small size, the air flow size of the air classifier cannot be accurately controlled, namely, the superfine powder particles with different particle sizes are mixed in the air flow under certain air flow, and the screening classification cannot be performed well for the powder with a larger particle size range. In order to provide a gas grading structure with higher grading precision and wider application range. In view of this, we propose a powder air flow rising channel structure.

Disclosure of Invention

In order to make up for the defects, the utility model provides a powder airflow ascending channel structure.

The technical scheme of the utility model is as follows:

powder air current rising channel structure, including smashing storehouse and a plurality of power supply that can provide powder air current flow that can smash the processing to the powder still includes:

the airflow rising part comprises a plurality of classifying bins and primary screening bins which are communicated with each other and are independently arranged, and at least one screening unit is arranged in each of the classifying bins and the primary screening bins and can screen powder with different particle diameters through the action of the power source.

Preferably, two ends of the crushing bin are respectively and fixedly connected with a blast hole and a first channel which are communicated with each other, the primary screening bin is fixedly communicated with the first channel, a power source is fixedly arranged on the primary screening bin, and the power source can be matched with external equipment at the blast hole to suck powder in the crushing bin.

Preferably, the coarse screening filter screen is fixedly installed in the coarse screening bin and above the first channel, the screening unit is fixedly installed in the coarse screening bin and above the coarse screening filter screen, and the first discharge opening is fixedly installed at the bottom of the coarse screening bin.

Preferably, the position on the primary screening bin, which is higher than the coarse screening screen, is communicated with the classification bin through a second channel, and a power source capable of extracting powder on the coarse screening screen is fixedly arranged below the classification bin.

Preferably, the classifying bin is internally provided with a fine screen at the position above the second channel, the classifying bin is internally provided with a screening unit at the position above the fine screen, and the bottom of the classifying bin is fixedly provided with a second discharge opening.

Preferably, each sieving unit is fixedly provided with a motor capable of providing rotary driving force, each sieving unit comprises a suction cavity communicated with one side, the power source is arranged on one side of the suction cavity, an outer filter shell is fixedly arranged around the suction cavity, a filter structure capable of filtering powder with different particle sizes is arranged on the outer filter shell, and the periphery of the suction cavity is provided with a communication structure capable of allowing powder to penetrate.

Compared with the prior art, the utility model has the beneficial effects that:

this powder air current rises channel structure can realize filtering the classification through the filter screen of adjusting and changing different particle diameters, and this channel structure is simple, can drive the powder through the fan and rise or remove along the air current direction, is convenient for shift the sieve material in the classifying process, and this structure can cooperate filter screen and screening unit to realize multistage fine screening, can avoid mixing the tiny particle in the sun material and lead to screening insufficiently, and screening progression is more, and the fineness is better, also can be suitable for the screening of miropowder or superfine powder.

Drawings

FIG. 1 is a front view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a screening unit according to the present utility model.

The meaning of each reference numeral in the figures is:

1. crushing the bin; 101. a tuyere; 2. a feed inlet; 3. a primary screening bin; 301. a first channel; 31. a first discharge port; 32. a coarse screen filter screen; 4. a grading bin; 401. a second channel; 41. a second discharge port; 42. screening a filter screen; 5. a blower; 6. a sieving unit; 61. a material suction cavity; 62. an outer filter shell; 7. and a motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the present utility model is described in detail by the following embodiments:

powder air current rising channel structure, including can carrying out crushing processing's crushing storehouse 1 and a plurality of power supply that can provide powder air current and flow to the powder, the power supply of this embodiment adopts centrifugal blower type fan 5, still includes:

the air flow rising part comprises a plurality of classifying bins 4 and primary screening bins 3 which are communicated with each other and are independently arranged, at least one screening unit 6 is arranged in each of the classifying bins 4 and the primary screening bins 3, and powder with different particle sizes can be screened through the action of a power source.

The two ends of the crushing bin 1 are respectively and fixedly connected with a blast hole 101 and a first channel 301 which are communicated with each other, a primary screening bin 3 and the first channel 301 are fixedly communicated, a centrifugal blower type fan 5 is fixedly installed on the primary screening bin 3, the centrifugal blower type fan 5 can be matched with external equipment at the blast hole 101 to suck powder in the crushing bin 1, as shown in fig. 2 and 3, a feeding hole 2 is fixedly connected above the crushing bin 1, materials enter the crushing bin 1 for crushing, the blast hole 101 and the first channel 301 of the embodiment are located in the lower axis, an air pump is externally connected at the blast hole 101 of the embodiment to provide inward blowing air flow, and the centrifugal blower type fan 5 is matched with the blower 5 fixedly installed below the primary screening bin 3, so that the powder can be conveniently fed into the primary screening bin 3 through air flow.

The primary screening bin 3 is internally provided with a coarse screening screen 32 which is fixedly arranged above the first channel 301, the screening unit 6 is fixedly arranged inside the primary screening bin 3 and above the coarse screening screen 32, the bottom of the primary screening bin 3 is fixedly provided with a first discharge opening 31, the position which is higher than the coarse screening screen 32 and is arranged on the primary screening bin 3 is communicated with the classifying bin 4 through the second channel 401, as shown in fig. 3, the centrifugal blower type fan 5 which can extract powder on the coarse screening screen 32 is fixedly arranged below the classifying bin 4, powder which can be sucked into the primary screening bin 3 and passes through the coarse screening screen 32 but not pass through the screening unit 6 is sucked into the classifying bin 4 for classification again.

The screening unit 6 is fixedly arranged in the classifying bin 4 and above the fine screening filter screen 42 and the second discharge opening 41 is fixedly arranged at the bottom of the classifying bin 4.

The motor 7 capable of providing rotary driving force is fixedly arranged on the outer side of each screening unit 6, each screening unit 6 comprises a suction cavity 61 communicated on one side, a centrifugal blower fan 5 is arranged on one side of each screening unit, an outer filter shell 62 is fixedly arranged around each suction cavity 61, filter micropores capable of filtering powder with different particle diameters are formed in the outer filter shells 62, connecting grooves capable of allowing the powder to penetrate are formed in the periphery of each suction cavity 61, the motor 7 rotates to provide rotary force and centrifugal force for the screening units 6, on one hand, the powder can uniformly penetrate through the filter micropores in the outer filter shells 62, on the other hand, the powder can be prevented from being accumulated at the filter micropores through the rotary force, and continuous long-term operation is facilitated.

According to the powder airflow rising channel structure, firstly, materials to be crushed into powder are put into a crushing bin 1 through a feeding hole 2 for crushing treatment, after crushing is completed, a fixedly installed air pump at a blast hole 101 and a centrifugal blower fan 5 below a primary screen bin 3 are started, so that powder can be guided into the bottom of the primary screen bin 3 through airflow, then a fan 5 and a motor 7 of a screening unit 6 above a coarse screen 32 are started, the screening unit 6 rotates and sucks the powder, part of powder which is not sucked and passes through the coarse screen 32 flows above the coarse screen 32 under the action of airflow, then the fan 5 at the bottom of a classification bin 4 is continuously started to suck the part of powder, the fan 5 and the motor 7 of the screening unit 6 in the classification bin 4 are continuously started, the mesh of a fine screen 42 is arranged between the coarse screen 32 and the screening unit 6 in the primary screen bin 3, so that part of powder continuously passes through the fine screen 42 to repeat the classification process, and after the end, the first discharge opening 31 and the second discharge opening 41 are opened, so that a plurality of fine screens 4 can be obtained, and the fine screens 4 can be further connected to the fine screen 4 can be controlled, but the fineness of the classification bin can be further controlled, and the classification bin can be further required to be more in the inside more than the fine.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Powder air current rising channel structure, including smashing storehouse (1) that can smash the processing to the powder and a plurality of power supply that can provide powder air current and flow, its characterized in that: further comprises:

the airflow rising part comprises a plurality of classifying bins (4) and primary screening bins (3) which are communicated with each other and are independently arranged, wherein at least one screening unit (6) is arranged in each of the classifying bins (4) and the primary screening bins (3), and powder with different particle diameters can be screened through the action of the power source.

2. The powder air flow rising channel structure according to claim 1, wherein: the utility model discloses a powder crushing machine, including crushing storehouse (1), primary screening storehouse (3), including smashing storehouse (1), outer equipment cooperation, powder in smashing storehouse (1) is inhaled to the cooperation of outer equipment of blast hole (101) department, smashing storehouse (1) both ends are fixedly connected with blast hole (101) and first passageway (301) each other respectively, primary screening storehouse (3) with fixed switch-on between first passageway (301), fixed mounting has the power supply on primary screening storehouse (3), the power supply can with the powder in smashing storehouse (1) is inhaled in the cooperation of the outer equipment of blast hole (101).

3. The powder air flow rising channel structure according to claim 2, wherein: the utility model discloses a screening device, including first passageway (301) and primary screening storehouse (3), primary screening storehouse (3) are inside and be located first passageway (301) top department fixed mounting has coarse screen filter screen (32), the inside and be located of primary screening storehouse (3) coarse screen filter screen (32) top fixed mounting has screening unit (6), primary screening storehouse (3) bottom fixed mounting has first discharge opening (31).

4. A powder air flow rising channel structure according to claim 3, wherein: the primary screening bin (3) is higher than the coarse screening filter screen (32) and is in conductive connection with the classification bin (4) through a second channel (401), and a power source capable of extracting powder on the coarse screening filter screen (32) is fixedly arranged below the classification bin (4).

5. The powder air flow rising channel structure according to claim 4, wherein: the classifying bin (4) is inside and is located at the position above the second channel (401) and is fixedly provided with a fine screen (42), the classifying bin (4) is inside and is located at the position above the fine screen (42) and is fixedly provided with a screening unit (6), and the bottom of the classifying bin (4) is fixedly provided with a second discharge opening (41).

6. The powder air flow rising channel structure according to claim 5, wherein: every screening unit (6) outside fixed mounting has motor (7) that can provide rotation driving force, just screening unit (6) are including one side conduction inhale material chamber (61), and switch on one side and install the power supply, inhale material chamber (61) fixed mounting all around has outer filter shell (62), be equipped with the filtration that can filter different particle diameter powder on outer filter shell (62), just inhale material chamber (61) all around and be equipped with the conduction structure that can supply the powder to penetrate.

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