CN213967058U

CN213967058U - Crushing and grinding device for wet-process phosphoric acid production

Info

Publication number: CN213967058U
Application number: CN202022723710.0U
Authority: CN
Inventors: 陆敏
Original assignee: Yichang Jiangshan Chemical Technology Co ltd
Current assignee: Yichang Jiangshan Chemical Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-17
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to the technical field of wet-process phosphoric acid production, in particular to a crushing and grinding device for wet-process phosphoric acid production, which comprises a crushing box and a grinding box, wherein the right side of the crushing box is connected with the grinding box, the bottom parts of the crushing box and the grinding box are respectively connected with a base through supporting legs, a belt conveying device is arranged on the base, the top part of the crushing box is provided with a first motor and a feeding hole, an output shaft of the first motor is connected with a first rotating shaft provided with a plurality of crushing teeth on the circumferential surface, the inner cavity of the crushing box is provided with a sieve plate and a material guide plate, the inner cavity of the grinding box is provided with a grinding cylinder, the top part of the grinding box is provided with a second motor, the bottom part of the grinding box is provided with a discharging pipe, the output shaft of the second motor is connected with a second rotating shaft, the second rotating shaft extends into the grinding cylinder, a grinding block is sleeved outside the second rotating shaft, and a first material guide pipe and a second material guide pipe are connected between the inner cavity of the crushing box and the inner cavity of the grinding box, the utility model discloses rational in infrastructure, it is effectual to the grinding of material, application prospect is wide.

Description

Crushing and grinding device for wet-process phosphoric acid production

Technical Field

The utility model relates to a wet process phosphoric acid production technical field, concretely relates to broken grinder is used in wet process phosphoric acid production.

Background

With sulphuric acid, the phosphoric acid that nitric acid or hydrochloric acid decomposition phosphorite were made is collectively called wet process phosphoric acid, wet process phosphoric acid production is with inorganic acid decomposition phosphorite powder, separate out crude phosphoric acid, make the phosphoric acid product after purifying again, the phosphorite powder is fast compared in the direct acidolysis reaction rate of phosphorite, the cycle is short, grinding device then needs to be used to obtain the phosphorite powder, current grinding device does not carry out the pre-crushing treatment to the material, the bold material directly grinds the speed of inefficiency and fragile abrasive brick, the speed of feeding and ejection of compact in the grinding process can not be adjusted to current grinding device simultaneously, produced harmful influence to subsequent transportation of material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a broken grinder is used in phosphoric acid production of wet process to solve the current grinder who proposes in the above-mentioned background art and not carry out crushing treatment in advance to the material, bold material directly grinds inefficiency and fragile grinding block, and the speed of feeding and the ejection of compact in the grinding process can not be adjusted to current grinder simultaneously, has produced bad influence scheduling problem to the subsequent transportation of material.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wet process phosphoric acid production is with broken grinder, includes broken case, grinding case and belt conveyors, its characterized in that: the grinding box is fixedly connected to the right side of the crushing box, supporting legs are mounted on the left side of the bottom of the crushing box and the right side of the bottom of the grinding box respectively, a controller is mounted on one side of each supporting leg, a base is connected to the bottom of each supporting leg, a belt conveying device is mounted on the base, a first motor and a feeding port are arranged at the top of the crushing box, an output shaft of the first motor penetrates through the top of the crushing box and is connected with a first rotating shaft, a plurality of crushing teeth are mounted on the circumferential surface of the first rotating shaft, a sieve plate and a material guide plate are obliquely mounted in an inner cavity of the crushing box, a second motor is mounted at the top of the grinding box, a discharging pipe is connected to the bottom of the grinding box, a grinding barrel is arranged in the inner cavity of the grinding box, two sides of the grinding barrel are fixed to the side wall of the inner cavity of the grinding box through connecting rods, a second rotating shaft extends into the grinding barrel and is fixedly sleeved with a grinding block outside the second rotating shaft, and a first material guide pipe and a second material guide pipe are connected between the inner cavity of the crushing box and the inner cavity of the grinding box.

Preferably, a vibrating device is installed at the bottom of the sieve plate and electrically connected with the controller through a lead.

Preferably, a first electromagnetic valve is installed on the first material guiding pipe, a second electromagnetic valve is installed on the material discharging pipe, and the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller through leads respectively.

Preferably, dust extraction is installed in broken case left side, and the dust extraction top is connected with the dust absorption pipe, and dust absorption pipe one end extends to broken case inner chamber and is connected with the suction hood, and filter screen is installed to suction hood one side.

Preferably, a buffer plate is arranged below the second material guide pipe, and the left end of the buffer plate is fixedly connected with the left side wall of the inner cavity of the grinding box.

Preferably, the bottom of the inner cavity of the grinding box is provided with a material guide block.

Preferably, a first observation window is installed on the front side surface of the crushing box, and a second observation window is installed on the front side surface of the grinding box.

The beneficial effects of the utility model reside in that:

by arranging the first motor, the first rotating shaft and the crushing teeth, when the first motor is started, the output shaft of the first motor can drive the first rotating shaft and the crushing teeth to rotate, so that the material entering the inner cavity of the crushing box is subjected to primary crushing, and the efficiency of subsequent grinding can be improved; the first electromagnetic valve is arranged on the first material guide pipe, and the second electromagnetic valve is arranged on the material discharge pipe, so that the feeding and discharging speeds of the grinding process can be controlled, and the subsequent material transportation is facilitated; through setting up dust extraction, when starting dust extraction, dust extraction can absorb the part because of the tiny dust that broken material produced to play the effect of environmental protection, pollution abatement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a plan view of a horizontal section in a part of the direction B in fig. 1.

In the figure: 1. a crushing box; 2. grinding a box; 3. a support leg; 4. a base; 5. a belt conveyor; 6. a first motor; 601. a first rotating shaft; 7. a feeding port; 8. crushing teeth; 9. a sieve plate; 901. a vibrating device; 10. a material guide plate; 11. a second motor; 1101. a second rotating shaft; 12. grinding blocks; 13. a connecting rod; 14. a grinding cylinder; 15. a first material guide pipe; 1501. a first solenoid valve; 16. a second material guide pipe; 17. a discharge pipe; 1701. a second solenoid valve; 18. a controller; 19. a dust collection device; 1901. a dust collection pipe; 20. a dust hood; 2001. filtering with a screen; 21. a buffer plate; 22. a material guide block; 23. a first observation window; 24. and a second observation window.

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. 1-4, the present invention provides an embodiment: a crushing and grinding device for wet-process phosphoric acid production comprises a crushing box 1, a grinding box 2 and a belt conveying device 5, wherein the right side of the crushing box 1 is fixedly connected with the grinding box 2, supporting legs 3 are respectively arranged on the left side of the bottom of the crushing box 1 and the right side of the bottom of the grinding box 2, a controller 18 is arranged on one side of each supporting leg 3, the bottom of each supporting leg 3 is connected with a base 4, and the belt conveying device 5 is arranged on each base 4 and used for conveying crushed and ground materials;

the top of the crushing box 1 is provided with a first motor 6 and a feeding port 7, the feeding port 7 is used for adding materials into the inner cavity of the crushing box 1, an output shaft of the first motor 6 penetrates through the top of the crushing box 1 and is connected with a first rotating shaft 601, a plurality of crushing teeth 8 are arranged on the circumferential surface of the first rotating shaft 601, and when the first motor 6 is started, the output shaft of the first motor 6 can drive the first rotating shaft 601 and the crushing teeth 8 to rotate, so that the materials entering the inner cavity of the crushing box 1 are primarily crushed, and the efficiency of subsequent grinding can be improved;

a sieve plate 9 and a material guide plate 10 are obliquely arranged in the inner cavity of the crushing box 1, large materials which do not meet the size requirement stay on the sieve plate 9 after being sieved by the sieve plate 9, and a small amount of materials which meet the size requirement pass through the sieve plate 9 and fall on the material guide plate 10;

the top of the grinding box 2 is provided with a second motor 11, the bottom of the grinding box 2 is connected with a discharge pipe 17, the inner cavity of the grinding box 2 is provided with a grinding cylinder 14, the upper side and the lower side of the grinding cylinder 14 are both of an open structure, two sides of the grinding cylinder 14 are fixed with the side wall of the inner cavity of the grinding box 2 through connecting rods 13, the output shaft of the second motor 11 penetrates through the top of the grinding box 2 and is connected with a second rotating shaft 1101, the second rotating shaft 1101 extends into the grinding cylinder 14, a grinding block 12 is fixedly sleeved outside the second rotating shaft 1101, a first material guide pipe 15 and a second material guide pipe 16 are connected between the inner cavity of the crushing box 1 and the inner cavity of the grinding box 2, the first material guide pipe 15 can guide the material staying on the sieve plate 9 into the grinding cylinder 14, the second material guide pipe 16 can guide the material staying on the material guide plate 10 into the bottom of the inner cavity of the grinding box 2, when the second motor 11 is, the materials entering the grinding cylinder 14 are ground, and the ground materials fall on the bottom of the inner cavity of the grinding box 2, are finally led out through a discharge pipe 17 and fall on the belt conveying device 5;

the vibrating device 901 is installed at the bottom of the sieve plate 9, the vibrating device 901 is electrically connected with the controller 18 through a wire, and the arrangement of the vibrating device 901 can enable the sieve plate 9 to sieve materials more quickly and thoroughly, and is also beneficial to the materials staying on the sieve plate 9 to slide to one side of the first conduit 15;

the first material guide pipe 15 is provided with a first electromagnetic valve 1501, the discharge pipe 17 is provided with a second electromagnetic valve 1701, the first electromagnetic valve 1501 and the second electromagnetic valve 1701 are respectively and electrically connected with the controller 18 through leads, the first electromagnetic valve 1501 is arranged to control the speed of the material entering the grinding cylinder 14, the problem that the grinding effect is poor due to the fact that the material adding speed is too high is prevented, the second electromagnetic valve 1701 is arranged to control the speed of the material discharged from the discharge pipe 17, and the material transportation is facilitated;

a dust suction device 19 is installed on the left side of the crushing box 1, a dust suction pipe 1901 is connected to the top of the dust suction device 19, one end of the dust suction pipe 1901 extends to the inner cavity of the crushing box 1 and is connected with a dust suction cover 20, a filter screen 2001 is installed on one side of the dust suction cover 20, when the dust suction device 19 is started, part of fine dust generated by crushed materials can be sucked into the dust suction device 19 through the dust suction cover 20 and the dust suction pipe 1901, so that the environment is protected, the pollution is reduced, and the arrangement of the filter screen 2001 can prevent the materials from being sucked into the dust suction cover 20 and the dust suction pipe 1901;

a buffer plate 21 is arranged below the second material guide pipe 16, the left end of the buffer plate 21 is fixedly connected with the left side wall of the inner cavity of the grinding box 2, and a material guide block 22 is arranged at the bottom of the inner cavity of the grinding box 2;

the front side of the crushing box 1 is provided with a first observation window 23, and the front side of the grinding box 2 is provided with a second observation window 24.

The working principle is as follows: when the material crusher is used, firstly, materials are added from the material inlet 7, the first motor 6 is started, the output shaft of the first motor 6 can drive the first rotating shaft 601 and the crushing teeth 8 to rotate, so that the materials entering the inner cavity of the crushing box 1 are crushed preliminarily, the dust suction device 19 is started, part of fine dust generated by the crushed materials can be sucked into the dust suction device 19 through the dust suction cover 20 and the dust suction pipe 1901, the crushed materials fall on the sieve plate 9, the large materials which do not meet the size requirement stay on the sieve plate 9 after being screened by the sieve plate 9 and fall in the grinding cylinder 14 through the first material guide pipe 15, a small amount of materials which meet the size requirement pass through the sieve plate 9 and fall on the material guide plate 10 and fall on the bottom of the inner cavity of the grinding box 2 through the second material guide pipe 16, the second motor 11 is started, the output shaft of the second motor 11 can drive the second rotating shaft 1101 and the grinding block 12 to rotate, thereby grinding the material that gets into grinding vessel 14, the material that grinds falls at grinding case 2 inner chamber bottom to finally derive through discharging pipe 17, fall on belt conveyor 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a wet process phosphoric acid production is with broken grinder, includes broken case (1), grinding case (2) and belt conveyors (5), its characterized in that: the grinding box is characterized in that the grinding box (2) is fixedly connected to the right side of the crushing box (1), supporting legs (3) are mounted on the left side of the bottom of the crushing box (1) and the right side of the bottom of the grinding box (2), a controller (18) is mounted on one side of each supporting leg (3), a base (4) is connected to the bottom of each supporting leg (3), a belt conveying device (5) is mounted on each base (4), a first motor (6) and a feeding port (7) are arranged at the top of the crushing box (1), an output shaft of the first motor (6) penetrates through the top of the crushing box (1) and is connected with a first rotating shaft (601), a plurality of crushing teeth (8) are mounted on the circumferential surface of the first rotating shaft (601), a sieve plate (9) and a guide plate (10) are obliquely mounted in the inner cavity of the crushing box (1), a second motor (11) is mounted at the top of the grinding box (2), and a discharge pipe (17) is connected to the bottom of the grinding box (2), the inner cavity of the grinding box (2) is provided with a grinding cylinder (14), the two sides of the grinding cylinder (14) are fixed with the side wall of the inner cavity of the grinding box (2) through a connecting rod (13), an output shaft of the second motor (11) penetrates through the top of the grinding box (2) and is connected with a second rotating shaft (1101), the second rotating shaft (1101) extends into the grinding cylinder (14), a grinding block (12) is sleeved outside the second rotating shaft (1101) in a fixed mode, and a first material guide pipe (15) and a second material guide pipe (16) are connected between the inner cavity of the crushing box (1) and the inner cavity of the grinding box (2).

2. The crushing and grinding device for wet-process phosphoric acid production according to claim 1, characterized in that: the vibrating device (901) is installed at the bottom of the sieve plate (9), and the vibrating device (901) is electrically connected with the controller (18) through a lead.

3. The crushing and grinding device for wet-process phosphoric acid production according to claim 1, characterized in that: the device is characterized in that a first electromagnetic valve (1501) is installed on the first material guiding pipe (15), a second electromagnetic valve (1701) is installed on the material discharging pipe (17), and the first electromagnetic valve (1501) and the second electromagnetic valve (1701) are respectively and electrically connected with a controller (18) through leads.

4. The crushing and grinding device for wet-process phosphoric acid production according to claim 1, characterized in that: dust extraction (19) are installed in broken case (1) left side, and dust extraction (19) top is connected with dust absorption pipe (1901), and dust absorption pipe (1901) one end extends to broken case (1) inner chamber and is connected with suction hood (20), and filter screen (2001) are installed to suction hood (20) one side.

5. The crushing and grinding device for wet-process phosphoric acid production according to claim 1, characterized in that: a buffer plate (21) is arranged below the second material guide pipe (16), and the left end of the buffer plate (21) is fixedly connected with the left side wall of the inner cavity of the grinding box (2).

6. The crushing and grinding device for wet-process phosphoric acid production according to claim 1, characterized in that: and a material guide block (22) is arranged at the bottom of the inner cavity of the grinding box (2).

7. The crushing and grinding device for wet-process phosphoric acid production according to claim 1, characterized in that: a first observation window (23) is installed on the front side face of the crushing box (1), and a second observation window (24) is installed on the front side face of the grinding box (2).