CN-224208099-U - Roller press for producing cement

Abstract

The utility model discloses a roller press for producing cement, which relates to the field of cement production and comprises a machine case, wherein a pair of pressing rollers are rotatably arranged in the machine case, a feed hopper is arranged at the top of the machine case, a discharge pipe is arranged at the bottom of the machine case, and a screening assembly is further arranged at the bottom of the machine case; the screening component comprises a screening cylinder, the screening cylinder is fixedly arranged in the machine box below the pair of compression rollers, a feed inlet is formed in the top of the screening cylinder, a rotating plate is rotatably arranged in the screening cylinder, a discharge outlet is formed in one side of the screening cylinder, a feed back box is fixedly arranged on one side of the machine box, the machine box is communicated with the feed back box through the feed outlet, and a feed down plate is arranged in the machine box, so that the technical problems that the existing roller press for producing cement is not provided with the screening component, the limestone particles which are not rolled completely can be mixed into limestone powder, the product quality is greatly reduced, and the limestone particles which are not rolled completely are difficult to roll again are effectively solved.

Inventors

• WU GUANGQIAN
• JIA HONGWEI
• YIN YONGHUI

Assignees

• 辽宁富山水泥有限公司

Dates

Publication Date

20260508

Application Date

20250527

Claims (6)

1. 1. The roller press for producing cement comprises a machine case (1), wherein a pair of pressing rollers (2) are rotatably arranged in the machine case (1), a feed hopper is arranged at the top of the machine case (1), and a discharge pipe is arranged at the bottom of the machine case (1), and the roller press is characterized by further comprising a screening component; The screening component comprises a screening cylinder (3), the screening cylinder (3) is fixedly arranged in the case (1) below the pair of press rolls (2), a feed inlet (19) is formed in the top of the screening cylinder (3), and a rotating plate (4) is rotatably arranged in the screening cylinder (3); A discharge hole (5) is formed in one side of the screen drum (3), a feed back box (6) is fixedly arranged on one side of the machine case (1), the machine case (1) is communicated with the feed back box (6) through a discharge hole (8), a discharge plate (7) is arranged in the machine case (1), one end of the discharge plate (7) is fixedly connected with the discharge hole (5), and the other end of the discharge plate is fixedly connected with the discharge hole (8); and a return component is arranged in the return box (6).
2. 2. The roll squeezer for producing cement according to claim 1, wherein the feed back component comprises a feed back box (10), a lifting plate (9) is movably installed in the feed back box (6), one side of the bottom of the feed back box (10) is hinged on the lifting plate (9), a movable block (13) is fixedly installed at the other end of the feed back box (10), a groove (11) is formed in the lifting plate (9), the movable block (13) is movably installed in the groove (11), a spring (12) is arranged between the movable block (13) and the groove (11), and a limit rod (15) for pressing the feed back box (10) is arranged at the top of the feed back box (6).
3. 3. A roller press for producing cement according to claim 2, characterized in that the feed back box (6) is rotatably provided with a threaded rod (14), the bottom of the feed back box (6) is fixedly provided with a first motor (16) for driving the threaded rod (14) to rotate, one side of the lifting plate (9) is rotatably connected to the threaded rod (14), and the lifting plate (9) is slidably arranged in the feed back box (6).
4. 4. A roller press for cement production according to claim 1, characterized in that the feed back box (6) and the top side wall of the chassis (1) are provided with feed back openings (17) which are mutually communicated.
5. 5. A roller press for cement production according to claim 1, characterized in that a pair of first deflectors (18) are fixedly mounted in the housing (1) above a pair of the press rollers (2).
6. 6. A roller press for cement production according to claim 1, characterized in that a pair of second guide plates (20) are fixedly installed in the machine box (1) below the pair of press rollers (2), and the bottoms of the pair of second guide plates (20) are fixedly connected with the feed inlet (19).

Description

Roller press for producing cement Technical Field The utility model relates to the field of cement production, in particular to a roller press for producing cement. Background The cement is powdery hydraulic inorganic cementing material, and the cement is slurry after being added with water and stirred, can be hardened in air or water, and can firmly bond sand, stone and other materials together, and a large amount of limestone is required to be used as raw materials in cement production. However, existing roller presses for producing cement are not provided with a screening assembly, and the crushed limestone is directly collected, so that incompletely crushed limestone particles can be mixed into limestone powder, the product quality is greatly reduced, and the incompletely crushed limestone particles are difficult to crush again. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a roller press for producing cement, which solves the technical problems in the background art. The roller press for producing cement comprises a machine case, wherein a pair of press rollers are rotatably arranged in the machine case, a feed hopper is arranged at the top of the machine case, a discharge pipe is arranged at the bottom of the machine case, and a screening component is further arranged at the bottom of the machine case; The screening component comprises a screening cylinder, the screening cylinder is fixedly arranged in the machine box below the pair of press rollers, a feed inlet is formed in the top of the screening cylinder, and a rotating plate is rotatably arranged in the screening cylinder; A discharge hole is formed in one side of the screen cylinder, a feed back box is fixedly arranged on one side of the machine case, the machine case is communicated with the feed back box through a discharge hole, a blanking plate is arranged in the machine case, one end of the blanking plate is fixedly connected with the discharge hole, and the other end of the blanking plate is fixedly connected with the discharge hole; and a return component is arranged in the return box. Preferably, the feed back subassembly includes the fortune workbin, movable mounting has the lifter plate in the workbin, fortune workbin bottom one side articulates on the lifter plate, fortune workbin other end fixed mounting has the movable block, set up flutedly on the lifter plate, movable block movable mounting in the recess, the movable block with be provided with the spring between the recess, the workbin top is provided with the gag lever post of pushing down fortune workbin. Preferably, the threaded rod is rotatably mounted in the feed back box, a first motor for driving the threaded rod to rotate is fixedly mounted at the bottom of the feed back box, one side of the lifting plate is rotatably connected to the threaded rod, and the lifting plate is slidably mounted in the feed back box. Preferably, the feed back box and the side wall of the top of the case are provided with feed back openings which are mutually communicated. Preferably, a pair of first guide plates are fixedly arranged in the chassis above the pair of press rollers. Preferably, a pair of second guide plates are fixedly arranged in the chassis below the pair of press rollers, and the bottoms of the pair of second guide plates are fixedly connected with the feed inlet. Advantageous effects The utility model provides a roller press for producing cement, which has the following beneficial effects: 1. The crushed limestone can be screened through the screen drum, the crushed limestone falls to the bottom of the case after passing through the screen drum, the crushed limestone can be discharged through the discharge pipe and is reserved in the screen drum, so that the phenomenon that the crushed limestone is mixed into crushed limestone powder completely can be effectively avoided, the product quality is influenced, the crushed limestone can enter the screen drum through the feed port, the rotating plate is arranged and rotates to drive the limestone with larger particles reserved in the screen drum after screening to move, the feed port and the discharge port are arranged and the discharge plate are arranged, when the limestone with larger particles moves to the discharge port under the drive of the rotating plate, the limestone with larger particles can enter the feed back box along the discharge plate and after passing through the feed port, the limestone with larger particles can be conveyed back to the upper part of the pair of crushing rollers to be crushed again, and the product quality can be further ensured; 2. Through installing fortune workbin, the big granule lime stone that does not have broken flows to fortune workbin along the flitch down, through installing the lifter plate, and the lifter plate rises and can drive fortune workbin and rise simultaneously, through installing the gag lever post, rises to continue to rise af