CN220990958U - Automatic intelligent medium-speed micro-powder coal mill - Google Patents

Abstract

The utility model discloses an automatic intelligent medium-speed micro-powder coal mill, which comprises a machine shell, wherein the top surface of the machine shell is fixedly connected with a fixed box, the top of the fixed box is fixedly inserted with a feed hopper, the surface of the fixed box is provided with a preliminary crushed aggregates component, the middle part of the bottom surface of the machine shell is fixedly provided with a second motor, the output end of the second motor is fixedly connected with a second rotating shaft, the top of the second rotating shaft is fixedly connected with a receiving disc, the surface of the machine shell is provided with at least three groups of fine grinding components, the bottom surface of the machine shell is fixedly inserted with a discharging pipe, and the bottom of the machine shell is provided with an intelligent anti-blocking component.

Description

Automatic intelligent medium-speed micro-powder coal mill

Technical Field

The utility model relates to the technical field of grinding, in particular to an automatic intelligent medium-speed micro-powder coal mill.

Background

In the process of coal-fuel power generation, raw coal is required to be ground into powdered coal dust by a coal mill, and then the coal dust is conveyed to a hearth so as to realize complete combustion of the coal as much as possible.

The Chinese patent document with the bulletin number of CN217663535U discloses a coal mill, which comprises a main body and a feeding port, and further comprises a baffle A, a baffle B, a discharging component, a screening component, a grinding component, a smashing component and a vibrating component, wherein the baffle A is fixedly connected to the two sides of the inside of the main body symmetrically, the feeding port is formed in the middle position of the top of the main body, the feeding port is mutually communicated with the inside of the main body, and the baffle B is fixedly connected to the inner bottom of the main body. Aiming at the technical scheme, the following defects exist in use: in the prior art, coal blocks are ground through a grinding cylinder, but the contact time of the grinding cylinder and the coal blocks is limited, when unqualified coal blocks fall onto the surface of a screening plate, the coal blocks are difficult to regrind, and grinding dead angles exist, so that the grinding effect is poor.

Disclosure of utility model

The utility model provides an automatic intelligent medium-speed micro-powder coal mill, which solves the problems in the background technology.

The utility model provides the following technical scheme: the utility model provides an automatic change intelligent medium speed micro powder coal pulverizer, includes the casing, the fixed box of top surface fixedly connected with of casing, fixed box top is fixed to be pegged graft and is had the loading hopper, fixed box surface is provided with preliminary crushed aggregates subassembly, the bottom surface middle part fixed mounting of casing has the second motor, the output fixedly connected with second pivot of second motor, the top fixedly connected with of second pivot connects the charging tray, the casing surface is provided with three at least groups fine grinding subassembly, the bottom surface fixed grafting of casing has the discharging pipe, the bottom of casing is provided with intelligent anti-blocking assembly.

Preferably, the preliminary crushed aggregates subassembly includes first electric putter, and the quantity of first electric putter is two, and two first electric putter respectively fixed mounting in the left and right sides of fixed box, the flexible end fixedly connected with mounting panel of first electric putter, the tip fixedly connected with crushing post of mounting panel, the unloading hole has been seted up in the bottom surface link up of first electric putter.

Preferably, the number of the crushing columns is multiple, and the crushing columns on the left side and the right side are staggered.

Preferably, the fine grinding assembly comprises a first motor, the first motor is fixedly arranged on the surface of the shell, the output end of the first motor is fixedly connected with a first rotating shaft, the end part of the first rotating shaft is fixedly connected with a grinding wheel, a grinding groove is formed in the material receiving disc, and a powder outlet hole is formed in the bottom surface of the material receiving disc in a penetrating mode.

Preferably, the intelligent anti-blocking assembly comprises a second electric push rod, the second electric push rod is fixedly arranged on the inner wall of the second rotating shaft, the end part of the telescopic end of the second electric push rod is fixedly connected with a connecting ring, the surface of the connecting ring is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with contact pins, the number and the specification of the contact pins are matched with the powder outlet holes, a flowmeter is arranged on the surface of the discharging pipe, and a buzzer is fixedly arranged on the front surface of the fixing box.

Preferably, the inner wall of the shell is fixedly connected with a baffle ring, and the baffle ring is rotationally connected with the receiving tray.

The utility model has the following beneficial effects:

This automatic intelligent medium speed micro powder coal pulverizer, inside of fixed box is sent into through the loading hopper to the coal cinder raw materials, carry out preliminary breakage through preliminary crushed aggregates subassembly to the coal cinder raw materials after the breakage falls into the inside of receiving the charging tray, can grind the inside coal cinder of receiving the charging tray through the fine grinding subassembly, simultaneously through second motor drive second pivot and receiving the charging tray rotation, grind repeatedly the coal cinder of different positions, after the grinding reaches the specification, will fall into the inner wall bottom of casing, and go on the ejection of compact through the discharging pipe, can carry out intelligent monitoring to the charging tray through intelligent anti-blocking assembly, and can carry out automatic mediation after receiving the charging tray to take place to stop up, in use has realized being convenient for carry out quick automatic pulverized coal grinding's effect, compared in prior art, effectively reduced the grinding dead angle, and can grind the raw coal repeatedly, the grinding effect has effectively been promoted, possess automatic monitoring function in addition, effectively promote anti-blocking coal pulverizer's automation and intelligent degree.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is a top view of the structure of the fixing case of the present utility model;

FIG. 4 is a top view of the receiving tray of the present utility model;

FIG. 5 is a side cross-sectional view of a second shaft structure according to the present utility model.

In the figure: 1. a housing; 2. a fixed box; 3. a hopper; 4. a preliminary chaff assembly; 401. a first electric push rod; 402. a mounting plate; 403. crushing the column; 404. a blanking hole; 5. a receiving tray; 6. a fine grinding assembly; 601. a first motor; 602. a first rotating shaft; 603. a grinding wheel; 604. a milling groove; 605. a powder outlet hole; 7. a baffle ring; 8. a second motor; 9. a second rotating shaft; 10. a discharge pipe; 11. an intelligent anti-blocking component; 111. a flow meter; 112. a second electric push rod; 113. a connecting ring; 114. a connecting plate; 115. a contact pin; 116. a buzzer.

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.

Referring to fig. 1-5, an automatic intelligent medium speed micro-powder coal mill comprises a machine shell 1, the top surface fixedly connected with fixed box 2 of casing 1, fixed box 2 top is fixed to be pegged graft and is had loading hopper 3, fixed box 2 surface is provided with preliminary crushed aggregates subassembly 4, the bottom surface middle part fixed mounting of casing 1 has second motor 8, the output fixedly connected with second pivot 9 of second motor 8, the top fixedly connected with of second pivot 9 connects charging tray 5, casing 1 surface is provided with three group's fine grinding subassembly 6 at least, the bottom surface fixed grafting of casing 1 has discharging pipe 10, the bottom of casing 1 is provided with intelligent anti-blocking subassembly 11, the inside of fixed box 2 is gone into through loading hopper 3 to the coal cinder raw materials, preliminary crushing is carried out to the coal cinder raw materials through preliminary crushed aggregates subassembly 4, the inside of receiving tray 5 is fallen into to the coal cinder raw materials after the crushing, grind through the inside of fine grinding subassembly 6, simultaneously through second motor 8 drive second pivot 9 and receiving tray 5 rotation, grind repeatedly to the coal cinder in different positions, will fall into after the inner wall that can fall into casing 1, and can take place the intelligent anti-blocking subassembly 10 through intelligent anti-blocking subassembly, and take place at the automatic anti-blocking of the discharging tray 5 after the intelligent anti-blocking subassembly takes place.

The preliminary crushed aggregates subassembly 4 includes first electric putter 401, and the quantity of first electric putter 401 is two, and two first electric putter 401 respectively fixed mounting is in the left and right sides of fixed box 2, the flexible end tip fixedly connected with mounting panel 402 of first electric putter 401, the broken post 403 of tip fixedly connected with of mounting panel 402, the unloading hole 404 has been seted up in the bottom surface link up of first electric putter 401, the extension of its flexible end of drive through first electric putter 401, thereby drive mounting panel 402 and broken post 403 and remove, extrude the coal piece surface through broken post 403, thereby break the coal piece, the coal piece that the breakage is accomplished will pass the inside of unloading hole 404 whereabouts casing 1.

The number of the crushing columns 403 is plural, and the crushing columns 403 on the left and right sides are staggered, more specifically, the crushing columns 403 are staggered so as to match each other, and the coal briquette raw material is crushed from the left and right sides.

The fine grinding component 6 comprises a first motor 601, the first motor 601 is fixedly arranged on the surface of the machine shell 1, the output end of the first motor 601 is fixedly connected with a first rotating shaft 602, the end part of the first rotating shaft 602 is fixedly connected with a grinding wheel 603, a grinding groove 604 is formed in the material receiving disc 5, a powder outlet 605 is formed in the bottom surface of the material receiving disc 5 in a penetrating mode, the coal blocks fall into the grinding groove 604, the first motor 601 operates to drive the first rotating shaft 602 and the grinding wheel 603 to rotate, the grinding wheel 603 rolls and grinds the coal blocks, after the grinding specification is thinner, the coal blocks can pass through the powder outlet 605 to be fed, and the coal blocks which do not reach the specification can be always left in the grinding groove 604 for repeated grinding.

The intelligent anti-blocking assembly 11 comprises a second electric push rod 112, the second electric push rod 112 is fixedly arranged on the inner wall of the second rotating shaft 9, the telescopic end part of the second electric push rod 112 is fixedly connected with a connecting ring 113, the surface of the connecting ring 113 is fixedly connected with a connecting plate 114, the top of the connecting plate 114 is fixedly connected with a contact pin 115, the quantity and the specification of the contact pins 115 are matched with those of the powder outlet holes 605, the surface of the discharging pipe 10 is provided with a flowmeter 111, the front surface of the fixed box 2 is fixedly provided with a buzzer 116, more specifically, the flow rate of coal dust falling inside the discharging pipe 10 is monitored through the flowmeter 111, if the monitored flow rate is obviously reduced, the buzzer 116 is used for alarming, and a prompt manager is blocked, and meanwhile, the second electric push rod 112 is used for driving the telescopic end of the second electric push rod to be shortened, the connecting ring 113 and the connecting plate 114 to be lifted, so that the contact pins 115 are inserted into the powder outlet holes 605 to dredge, the intelligent anti-blocking function is achieved, and the automation and intelligent degree of a coal mill are effectively improved.

The inner wall fixedly connected with of casing 1 keeps off ring 7, and keeps off ring 7 and connect charging tray 5 rotation to be connected, and it should be noted that through setting up keeps off ring 7, protects the gap between charging tray 5 and the casing 1, avoids buggy to get into in the gap and causes the influence to the operation of charging tray 5.

Working principle: the inside of fixed box 2 is sent into through hopper 3 to the coal cinder raw materials, drive its flexible end extension through first electric putter 401, thereby drive mounting panel 402 and broken post 403 and remove, extrude the coal cinder surface through broken post 403, thereby carry out the breakage to the coal cinder, the coal cinder that the breakage was accomplished will pass unloading hole 404 whereabouts to the inside of casing 1, the coal cinder falls into the inside of milling groove 604, through first motor 601 operation, drive first pivot 602 and grinding wheel 603 take place to rotate, grind the coal cinder through grinding wheel 603, grind the specification is finer afterwards, can pass out powder hole 605 and carry out the unloading, the coal cinder that does not reach the specification will remain all the time in milling groove 604 inside and grind repeatedly, grind and reach the specification after, will fall into the inner wall bottom of casing 1, and carry out the ejection of compact through discharging pipe 10, monitor the inside whereabouts flow of discharging pipe 10 through flowmeter 111, if monitor the flow obviously reduces, then carry out buzzing warning through buzzer 116, prompt manager takes place to block up, simultaneously, through the operation of second electric putter 112, drive flexible end shortens, drive go-up collar 113 and connecting plate 114, make the inside of inserting needle 605 is dredge, and the inside of powder hole 605 is carried out to the dredging.

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

Claims (6)

1. An automatic intelligent medium-speed micro-powder coal mill, includes casing (1), its characterized in that: the utility model discloses a fixed box, fixed box (2) is fixed in top surface fixedly connected with of casing (1), fixed box (2) top is fixed to be pegged graft and is had loading hopper (3), fixed box (2) surface is provided with preliminary crushed aggregates subassembly (4), the bottom surface middle part fixed mounting of casing (1) has second motor (8), the output fixedly connected with second pivot (9) of second motor (8), the top fixedly connected with of second pivot (9) connects charging tray (5), casing (1) surface is provided with three at least groups fine grinding subassembly (6), the fixed grafting in bottom surface of casing (1) has discharging pipe (10), the bottom of casing (1) is provided with intelligent anti-blocking assembly (11).

2. The automated intelligent medium speed pulverizer as recited in claim 1, wherein: preliminary crushed aggregates subassembly (4) are including first electric putter (401), and the quantity of first electric putter (401) is two, and two first electric putter (401) are fixed mounting respectively in the left and right sides face of fixed box (2), flexible end fixedly connected with mounting panel (402) of first electric putter (401), the tip fixedly connected with crushing post (403) of mounting panel (402), unloading hole (404) have been seted up in the bottom surface link up of first electric putter (401).

3. The automated intelligent medium speed pulverizer as recited in claim 2, wherein: the number of the crushing columns (403) is multiple, and the crushing columns (403) on the left side and the right side are staggered.

4. The automated intelligent medium speed pulverizer as recited in claim 1, wherein: the fine grinding assembly comprises a first motor (601), the first motor (601) is fixedly mounted on the surface of a machine shell (1), the output end of the first motor (601) is fixedly connected with a first rotating shaft (602), the end part of the first rotating shaft (602) is fixedly connected with a grinding wheel (603), a grinding groove (604) is formed in the material receiving disc (5), and a powder outlet hole (605) is formed in the bottom surface of the material receiving disc (5) in a penetrating mode.

5. The automated intelligent medium speed pulverizer as recited in claim 4, wherein: the intelligent anti-blocking assembly (11) comprises a second electric push rod (112), the second electric push rod (112) is fixedly mounted on the inner wall of a second rotating shaft (9), the telescopic end part of the second electric push rod (112) is fixedly connected with a connecting ring (113), the surface of the connecting ring (113) is fixedly connected with a connecting plate (114), the top of the connecting plate (114) is fixedly connected with a contact pin (115), the quantity and the specification of the contact pin (115) are matched with those of a powder outlet hole (605), a flowmeter (111) is arranged on the surface of a discharging pipe (10), and a buzzer (116) is fixedly mounted on the front surface of a fixed box (2).

6. The automated intelligent medium speed pulverizer as recited in claim 1, wherein: the inner wall of the shell (1) is fixedly connected with a baffle ring (7), and the baffle ring (7) is rotationally connected with the receiving disc (5).