CN214766049U

CN214766049U - Crushing and screening device for production of anhydrous sodium sulfate

Info

Publication number: CN214766049U
Application number: CN202120198887.5U
Authority: CN
Inventors: 余海芳; 王朝然; 王治国; 魏国建; 闫锋; 张继国
Original assignee: Jiaozuo Weilian Fine Chemical Co ltd
Current assignee: Jiaozuo Weilian Fine Chemical Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-19
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a crushing and screening device for producing anhydrous sodium sulfate, which comprises a base, wherein a rack is fixedly arranged on the upper end surface of the base, a screening mechanism is arranged on the rack and comprises a screening groove, springs are fixedly arranged at four corners of the bottom end surface of the screening groove, the other end of each spring is respectively and fixedly connected with the four corners of the rack, and a vibrator is fixedly arranged in the middle of the bottom end surface of the screening groove; the utility model has the advantages that: through setting up rubbing crusher structure, screening mechanism, on the screening net that falls into the screening groove after rubbing crusher constructs to smash like this, at this moment start the vibrator, utilize eccentric vibration reciprocating motion back and forth among the vibrator to produce the vibration for the material falls into the bottom in screening groove after screening through two-layer screening net, flows out in the notch of screening groove again, arranges the collecting box in so on the electronic scale, observes the reading of electronic scale like this, can carry out the ration and weigh.

Description

Crushing and screening device for production of anhydrous sodium sulfate

Technical Field

The utility model relates to a smash the sieving mechanism, in particular to crushing sieving mechanism of anhydrous sodium sulfate production usefulness.

Background

Anhydrous sodium sulfate (anhydrous sodium sulfate ) molecular formula: na2SO 4; molecular weight: 142.04 Properties: colorless, hygroscopic crystals or powders, soluble in water and glycerol, insoluble in alcohol, gradually absorb 1 molecule of water when exposed to air, and the highly pure, finely divided anhydrate is called anhydrous sodium sulfate, sodium sulfate forms heptahydrate and decahydrate, heptahydrate (Na 2SO4 · 7H 2O) is a white orthorhombic crystal;

at present, the anhydrous sodium sulfate needs to be crushed and screened in the production and processing processes, but the existing crushing and screening devices have poor screening effect due to single-layer screening nets when screening, so that the quality of the anhydrous sodium sulfate is affected, and more dust is generated during screening, so that the pollution to the environment is increased;

therefore, based on the problems, the crushing and screening device for producing the anhydrous sodium sulfate is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crushing sieving mechanism of anhydrous sodium sulfate production usefulness to solve at present that proposes in the above-mentioned background art, anhydrous sodium sulfate need smash the raw materials at the in-process of production and processing, the screening, but current crushing sieving mechanism is when screening, owing to all be the individual layer screening net, it is not good to make the screening effect like this, thereby influence the quality of anhydrous sodium sulfate, and when the screening, can produce more grits, so can strengthen the problem to the pollution of environment.

In order to achieve the above object, the utility model provides a following technical scheme: a crushing and screening device for producing anhydrous sodium sulfate comprises a base, wherein a rack is fixedly arranged on the upper end face of the base, a screening mechanism is arranged on the rack, the screening mechanism comprises a screening groove, springs are fixedly arranged at four corners of the bottom end face of the screening groove, the other ends of the springs are respectively fixedly connected with four corners of the rack, a vibrator is fixedly arranged in the middle of the bottom end face of the screening groove, two screening nets are fixedly arranged in the screening groove from top to bottom in sequence, the net diameters of the screening nets are reduced from top to bottom in sequence, a crushing mechanism is arranged on the rack and comprises an open crushing box, the open crushing box is fixedly arranged on the top end face of the rack, a servo motor is fixedly arranged on one side of the outer wall face of a port of the open crushing box, baffles are fixedly arranged on four sides of the port of the open crushing box, and the four baffles are connected with each other, and a feeding port is formed after the connection is finished, two crushing rollers are sequentially rotatably mounted on the inner wall surface of the open crushing box, the feeding port is opposite to a gap between the two crushing rollers, a transmission gear is rotatably mounted on the other side of the outer wall surface of the open crushing box through a bearing, the two transmission gears are meshed with each other, the rotating shafts of the two crushing rollers are all in butt joint with the rotating shafts of the two transmission gears, and a dust collection mechanism is arranged on the screening groove.

As a preferred technical scheme of the utility model, dust absorption mechanism includes suction hood, suction box, the outer wall at the base is established to the suction box, and the suction hood is established on the screening groove simultaneously, the top fixed mounting of suction hood has the dust absorption pipe, dust absorption pipe and suction box fixed connection simultaneously, the inside of suction box is equipped with air filter, top face, the bottom face of suction box are equipped with import, export respectively, all are equipped with the suction fan in import, the export simultaneously.

As the utility model discloses a preferred technical scheme, be equipped with weighing mechanism on the base, weighing mechanism includes the platform of taking simultaneously, take platform fixed mounting in outer wall one side of base, take the bench fixed mounting simultaneously and have the electronic scale.

As an optimized technical scheme of the utility model, the screening groove is the slope form.

As an optimal technical scheme of the utility model, two clearance length between the crushing roller is greater than four baffles and forms the pan feeding mouth after the connection finishes.

As an optimized technical scheme of the utility model, the equal fixed mounting in bottom face four corners department of base has the truckle.

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

1. the utility model relates to a crushing and screening device for anhydrous sodium sulfate production, through setting up the rubbing crusher structure, screening mechanism, so the raw materials fall into the screening net in the screening groove after rubbing crusher structure smashes on, at this moment start the vibrator, utilize eccentric vibration reciprocating motion in the vibrator to produce the vibration, make the material fall into the bottom in the screening groove after screening through two-layer screening net, flow out from the notch in screening groove again, this design is compared with traditional single-layer screening net, make the screening effect better, thereby improved product quality, then place the collecting box on the electronic scale, observe the reading of electronic scale like this, can carry out quantitative weighing;

2. the utility model relates to a crushing and screening device for producing anhydrous sodium sulfate, which is characterized in that a dust suction mechanism is also arranged, two suction fans are started in such a way, and the blades of the suction fans rotate to generate negative pressure to suck dust generated during vibration into a dust suction box and discharge the dust after passing through an air filter element; to sum up, this design has that the screening is effectual, the practicality is strong, use the high characteristics of flexibility.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the dust suction mechanism and the screening tank of the present invention;

fig. 3 is a schematic view of the connecting structure of the open crushing box in section view.

In the figure: 1. a base; 2. a weighing mechanism; 21. an electronic scale; 22. building a platform; 3. a screening mechanism; 31. screening a net; 32. a screening tank; 33. a vibrator; 34. a spring; 4. a crushing mechanism; 41. a baffle plate; 42. opening a crushing box; 43. a servo motor; 44. a crushing roller; 45. a transmission gear; 5. a frame; 6. a caster wheel; 7. a dust suction mechanism; 71. a dust hood; 72. a dust collection box; 73. a dust collection pipe; 74. an air filter element; 75. an air extracting fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a crushing and screening device for anhydrous sodium sulfate production, which comprises a base 1, a frame 5 is fixedly arranged on the upper end surface of the base 1, a screening mechanism 3 is arranged on the frame 5, the screening mechanism 3 comprises a screening groove 32, springs 34 are fixedly arranged at four corners of the bottom end surface of the screening groove 32, the other ends of the springs 34 are respectively fixedly connected with four corners of the frame 5, a vibrator 33 is fixedly arranged at the middle part of the bottom end surface of the screening groove 32, two screening nets 31 are fixedly arranged in the screening groove 32 in sequence from top to bottom, the diameters of the screening nets 31 are sequentially reduced from top to bottom, a crushing mechanism 4 is arranged on the frame 5, the crushing mechanism 4 comprises an open crushing box 42, the open crushing box 42 is fixedly arranged on the top end surface of the frame 5, a servo motor 43 is fixedly arranged on one side of the outer wall surface of a port of the open crushing box 42, the equal fixed mounting in port four sides of uncovered crushing case 42 has baffle 41, four baffle 41 interconnect simultaneously, and form the pan feeding mouth after the connection finishes, the internal face of uncovered crushing case 42 rotates in proper order and installs two crushing roller 44, the pan feeding mouth is just to the clearance between two crushing roller 44 simultaneously, uncovered crushing case 42's outer wall opposite side loops through the bearing and rotates and install drive gear 45, intermeshing between two drive gear 45 simultaneously, two crushing roller 44's pivot all docks with two drive gear 45 pivots, be equipped with dust absorption mechanism 7 on the screening groove 32.

The dust collection mechanism 7 comprises a dust collection cover 71 and a dust collection box 72, the dust collection box 72 is arranged on the outer wall surface of the base 1, the dust collection cover 71 is arranged on the screening groove 32, a dust collection pipe 73 is fixedly arranged at the top end of the dust collection cover 71, the dust collection pipe 73 is fixedly connected with the dust collection box 72, an air filter element 74 is arranged inside the dust collection box 72, an inlet and an outlet are respectively arranged on the top end surface and the bottom end surface of the dust collection box 72, and a suction fan 75 is arranged in each of the inlet and the outlet; the base 1 is provided with a weighing mechanism 2, the weighing mechanism 2 comprises a platform 22, the platform 22 is fixedly arranged on one side of the outer wall surface of the base 1, an electronic scale 21 is fixedly arranged on the platform 22, and the electronic scale 21 is arranged for quantitatively weighing the screened powder; the screening groove 32 is inclined, and the screening groove 32 is arranged to be inclined so as to facilitate discharging; the length of the gap between the two crushing rollers 44 is larger than that of the gap between the four baffles 41 after the connection is finished to form a feeding port; the equal fixed mounting in bottom face four corners department of base 1 has truckle 6, sets up truckle 6 and is used for removing, improves the flexibility of whole device.

Principle of operation

The first step is as follows: firstly, moving the whole device to a specified position, then placing the raw materials in an open crushing box 42 to enable the raw materials to fall between two crushing rollers 44 from a feeding port, then driving two transmission gears 45 and two crushing rollers 44 to rotate by using a servo motor 43 when the servo motor 43 is started, and crushing the raw materials by extrusion force of the two crushing rollers 44 because the rotating directions of the two transmission gears 45 are opposite;

the second step is that: after the raw materials are crushed, the raw materials fall onto the screening net 31 in the screening groove 32 from the discharge hole of the open crushing box 42, then the vibrator 33 is started, eccentric vibration in the vibrator 33 is utilized to reciprocate back and forth to generate vibration, so that the materials fall into the bottom end of the screening groove 32 after being screened by the two layers of screening nets 31 and then flow out from the notch of the screening groove 32, compared with the traditional single-layer screening net 31, the design enables the screening effect to be better, the product quality is improved, then the collecting box is placed on the electronic scale 21, the reading of the electronic scale 21 is observed, and quantitative weighing can be carried out;

in this process, start two suction fans 75, utilize suction fan 75's flabellum to rotate, produce the dust bits that the negative pressure produced when will vibrate and inhale the suction box 72 from dust absorption pipe 73, suction hood 71 in, discharge behind air filter 74 again, compare in traditional device, this design has set up dust absorption mechanism 7 to the pollution to the environment has been reduced.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crushing sieving mechanism of anhydrous sodium sulfate production usefulness, includes base (1), its characterized in that: the upper end face of the base (1) is fixedly provided with a rack (5), the rack (5) is provided with a screening mechanism (3), the screening mechanism (3) comprises a screening groove (32), the four corners of the bottom end face of the screening groove (32) are fixedly provided with springs (34), the other end of each spring (34) is fixedly connected with the four corners of the rack (5), the middle of the bottom end face of the screening groove (32) is fixedly provided with a vibrator (33), the inside of the screening groove (32) is sequentially and fixedly provided with two screening nets (31) from top to bottom, the net diameters of the screening nets (31) are sequentially reduced from top to bottom, the rack (5) is provided with a crushing mechanism (4), the crushing mechanism (4) comprises an open crushing box (42), the open crushing box (42) is fixedly arranged on the top end face of the rack (5), and a servo motor (43) is fixedly arranged on one side of the outer wall face of the port of the open crushing box (42), equal fixed mounting in port four sides of uncovered crushing case (42) has baffle (41), four baffle (41) interconnect simultaneously to form the pan feeding mouth after the connection finishes, the internal face of uncovered crushing case (42) rotates in proper order and installs two crushing roller (44), and the pan feeding mouth is just to the clearance between two crushing roller (44) simultaneously, the outer wall opposite side of uncovered crushing case (42) loops through the bearing and rotates and install drive gear (45), and intermeshing, two between two drive gear (45) simultaneously the pivot of crushing roller (44) all docks with two drive gear (45) pivot, be equipped with dust absorption mechanism (7) on screening tank (32).

2. The crushing and screening device for producing anhydrous sodium sulfate according to claim 1, characterized in that: dust absorption mechanism (7) are including suction hood (71), dust suction box (72), establish the outer wall in base (1) in dust suction box (72), and establish on screening groove (32) suction hood (71) simultaneously, the top fixed mounting of suction hood (71) has dust absorption pipe (73), and dust absorption pipe (73) and dust suction box (72) fixed connection simultaneously, the inside of dust suction box (72) is equipped with air filter (74), top end face, the bottom face of dust suction box (72) are equipped with import, export respectively, all are equipped with suction fan (75) in import, the export simultaneously.

3. The crushing and screening device for producing anhydrous sodium sulfate according to claim 1, characterized in that: the base (1) is provided with a weighing mechanism (2), the weighing mechanism (2) comprises a platform (22), the platform (22) is fixedly installed on one side of the outer wall surface of the base (1), and an electronic scale (21) is fixedly installed on the platform (22).

4. The crushing and screening device for producing anhydrous sodium sulfate according to claim 1, characterized in that: the screening groove (32) is inclined.

5. The crushing and screening device for producing anhydrous sodium sulfate according to claim 1, characterized in that: the length of a gap between the two crushing rollers (44) is larger than that of a feed port formed by the four baffles (41) after the connection is finished.

6. The crushing and screening device for producing anhydrous sodium sulfate according to claim 1, characterized in that: the four corners of the bottom end face of the base (1) are fixedly provided with trundles (6).