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CN-224208548-U - Multi-channel separation equipment for pulverized coal fineness detection

CN224208548UCN 224208548 UCN224208548 UCN 224208548UCN-224208548-U

Abstract

The utility model discloses multichannel separation equipment for detecting the fineness of pulverized coal, which relates to the technical field of pulverized coal fineness detection and comprises a shell, wherein a feeding pipe is fixed in the middle of the top of the shell, an installation frame is uniformly fixed on the inner side wall of the shell, sliding rods are fixed at four corners of the top of the installation frame, a movable frame is arranged on the outer side of each sliding rod in a sliding mode, a connecting spring is sleeved on the outer side of each sliding rod, a vibrating motor is fixed at the bottom edge of each movable frame, a connecting mechanism is arranged at the top of each movable frame, the top of each movable frame is connected with a screen frame through the corresponding connecting mechanism, and a cleaning mechanism is arranged in the screen frame.

Inventors

  • JIA ZHIJUN
  • WANG JIANFEI
  • LI BAILI
  • ZHANG HAITAO

Assignees

  • 内蒙古机电职业技术学院
  • 京能锡林郭勒能源有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (7)

  1. 1. A multichannel separating device for coal dust fineness detection is characterized by comprising a shell (100), a feeding pipe (200) is fixed in the middle of the top of the shell (100), a mounting frame (300) is uniformly fixed on the inner side wall of the shell (100), sliding rods (310) are fixed at four corners of the top of the mounting frame (300), movable frames (320) are sliding on the outer sides of the sliding rods (310), connecting springs (330) are sleeved on the outer sides of the sliding rods (310), vibrating motors (340) are fixed on the bottom edges of the movable frames (320), connecting mechanisms (600) are arranged at the top of the movable frames (320), the top of the movable frames (320) is connected with a screen frame (400) through the connecting mechanisms (600), and cleaning mechanisms (500) are arranged inside the screen frame (400).
  2. 2. The multi-channel separation device for pulverized coal fineness detection according to claim 1, wherein the cleaning mechanism (500) comprises a fixing frame (510) fixed at the middle part of the rear side of the screen frame (400), a driving motor (520) is fixed at one side of the fixing frame (510), a rotary table (530) is fixed at the end part of an output shaft of the driving motor (520), an extrusion column (540) is fixed at one side part of the rotary table (530), limiting blocks (550) are symmetrically fixed at the top side part of the screen frame (400), connecting rods (560) penetrate through one side top part of the limiting blocks (550) and slide, a return frame (570) is fixed at opposite ends of the two connecting rods (560), an L-shaped rod (580) is fixed at one side part of the connecting rods (560), a mounting plate (590) is fixed at the bottom end of the L-shaped rod (580), and a cleaning brush (591) is fixed at the bottom of the mounting plate (590) through screws.
  3. 3. The multi-channel separation device for pulverized coal fineness detection according to claim 2, wherein an input end of the driving motor (520) is electrically connected with an output end of an external power supply, a deflection circumference diameter of the extrusion column (540) is smaller than an inner side length of the mold-returning frame (570), and the cleaning brush (591) is attached to the bottom of the screen frame (400).
  4. 4. The multi-channel separation device for pulverized coal fineness detection according to claim 3, wherein the extrusion column (540) is located at the inner side of the mold-back frame (570), and the outer side wall of the extrusion column (540) is attached to the inner side wall of the mold-back frame (570).
  5. 5. The multi-channel separation device for pulverized coal fineness detection according to claim 1, wherein the mesh diameter of the top screen frame (400) is larger than the mesh diameter of the bottom screen frame (400), the upper and lower ends of the connecting spring (330) are fixedly connected with the bottom of the moving frame (320) and the top of the mounting frame (300), respectively, and the input end of the vibrating motor (340) is electrically connected with the output end of an external power supply.
  6. 6. The multi-channel separation device for detecting the fineness of pulverized coal according to claim 1, wherein the connecting mechanism (600) comprises clamping grooves (610) symmetrically formed in the middle parts of the bottoms of two sides of the screen frame (400), the top of the installation frame (300) is symmetrically fixed with an installation box (620), one side of the inside of the installation box (620) is uniformly fixed with a reset spring (630), one end of the reset spring (630) is fixed with a connecting plate (640), one side middle part of the connecting plate (640) is fixed with a clamping block (650), the middle part of the top of the connecting plate (640) is provided with a screw hole (660), and the edge of the top of the installation box (620) is connected with a bolt (670) in a penetrating manner.
  7. 7. The multi-channel separation device for pulverized coal fineness detection according to claim 6, wherein the connecting plate (640) slides inside the installation box (620), the outer side wall of the connecting plate (640) is attached to the inner side wall of the installation box (620), the clamping block (650) penetrates through the middle part of one side of the installation box (620), and inclined planes are arranged on two sides of the clamping groove (610) and two sides of the clamping block (650).

Description

Multi-channel separation equipment for pulverized coal fineness detection Technical Field The utility model relates to the technical field of pulverized coal fineness detection, in particular to multichannel separation equipment for pulverized coal fineness detection. Background When the coal powder is detected, the coal powder is generally required to be screened through a separation device and used for determining the fineness, the coal powder fineness generally refers to the proportion of the coal powder left on a screen to the test coal powder when the coal powder is detected, if the aperture of the screen is unchanged, the more the coal powder is left on the screen, the larger the fineness is, the coarser the coal powder is, but the coal powder fineness can be represented by the percentage of the residual coal powder amount left on the screen to the total coal powder amount, and can also be represented by the percentage of the coal powder amount passing through the screen to the total coal powder amount. At present, when the pulverized coal is screened, some pulverized coal with a small difference in diameter from the diameter of the mesh is easy to clamp in the mesh, so that some pulverized coal is blocked in the mesh of the screen, the screen is blocked, the passing efficiency is affected, the detection accuracy is affected, and therefore the multichannel separation equipment for detecting the fineness of the pulverized coal is provided. Disclosure of utility model The utility model aims to provide multi-channel separation equipment for detecting fineness of pulverized coal, which solves the problems that the existing separation equipment for detecting is used for solving the problems that when pulverized coal is screened, some pulverized coal is blocked in meshes of a screen mesh, so that the screen mesh is blocked, the passing efficiency is affected and the detection accuracy is affected. The multichannel separating device for detecting the fineness of the pulverized coal comprises a shell, wherein a feeding pipe is fixed in the middle of the top of the shell, an installation frame is uniformly fixed on the inner side wall of the shell, sliding rods are fixed at four corners of the top of the installation frame, a movable frame is arranged on the outer side of each sliding rod in a sliding mode, connecting springs are sleeved on the outer sides of the sliding rods, a vibrating motor is fixed at the edge of the bottom of each movable frame, a connecting mechanism is arranged at the top of each movable frame, the top of each movable frame is connected with a screen frame through the corresponding connecting mechanism, and a cleaning mechanism is arranged inside each screen frame. Preferably, the cleaning mechanism comprises a fixing frame fixed at the middle part of the rear side of the screen frame, one side of the fixing frame is fixed with a driving motor, the end part of an output shaft of the driving motor is fixed with a rotary table, one side part of the rotary table is fixed with an extrusion column, the top side part of the screen frame is symmetrically fixed with a limiting block, one side top part of the limiting block penetrates through and slides with a connecting rod, two opposite ends of the connecting rod are fixed with a return frame, one side part of the connecting rod is fixed with an L-shaped rod, the bottom end of the L-shaped rod is fixed with a mounting plate, and the bottom of the mounting plate is fixed with a cleaning brush through a screw. Preferably, the input of driving motor and the output electric connection of external power source, extrusion post deflection circumference diameter is less than the inboard length of back type frame avoids taking place the motion to interfere, the clearance brush with the laminating of the bottom of reel, the clearance brush of being convenient for is clear up the reel bottom, prevents to block up. Preferably, the extrusion column is located at the inner side of the mold-returning frame, and the outer side wall of the extrusion column is attached to the inner side wall of the mold-returning frame, so that the mold-returning frame is convenient to extrude by the extrusion column, and the mold-returning frame is enabled to move. Preferably, the top the mesh diameter of screen frame is greater than the bottom the mesh diameter of screen frame is convenient for carry out classifying screen, connecting spring's upper and lower extreme respectively with remove the bottom of frame with the top fixed connection of installing the frame, convenient when vibrations, utilize connecting spring to make and remove the frame reciprocates, vibrating motor's input and external power source's output electric connection. Preferably, the clamping grooves in the middle of the bottoms of the two sides of the screen frame are symmetrically formed in the connecting mechanism, the mounting boxes are symmetrically fixed at the tops of the mounting frames, reset sp