CN220969237U - Cement rotary kiln fuel coal pretreatment device - Google Patents

Abstract

The utility model discloses a fuel coal pretreatment device of a cement rotary kiln, which relates to the technical field of fuel coal pretreatment and comprises a box body, wherein the inner side of the upper wall of the box body is connected with a vibrating hopper through an elastic piece, the vibrating hopper is obliquely arranged, a vibrating motor is fixedly arranged below the vibrating hopper, a sieve plate is arranged on a bottom plate of the vibrating hopper, one end of the lower side of the vibrating hopper is an open end, a feeding pipe is arranged on the upper wall of the box body, which is close to the high side end of the vibrating hopper, a crushing hopper is fixedly arranged below the open end of the vibrating hopper in the box body, a pair of crushing rollers are arranged in the crushing hopper, a lifting machine communicated with the bottom of the crushing hopper is fixedly arranged on the outer side of the box body, a backflow inclined pipe is connected above the lifting machine, and is connected with the feeding pipe.

Description

Cement rotary kiln fuel coal pretreatment device

Technical Field

The utility model relates to the technical field of fuel coal pretreatment, in particular to a fuel coal pretreatment device of a cement rotary kiln.

Background

The cement rotary kiln belongs to building material equipment, is one kind of lime kiln, and can be divided into cement rotary kiln, metallurgical chemical rotary kiln and lime rotary kiln according to different treatment materials, wherein the cement rotary kiln is main equipment of cement clinker dry method and wet method production line, the cement rotary kiln generally uses coal dust as fuel, and the coal dust needs to be pretreated before being put into the cement rotary kiln;

However, coal dust sometimes contains coal blocks with larger particles, and the coal blocks cannot be fully combusted after being put into a cement rotary kiln, so that energy waste is caused, and the conventional fuel coal pretreatment device cannot screen out and treat the larger particles in the coal dust.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a cement rotary kiln fuel coal pretreatment device, which aims to solve the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a cement rotary kiln fuel coal preprocessing device, includes the box, the box upper wall inboard is connected with the vibrations fill through the elastic component, the vibrations fill is the slope setting, the fixed vibrating motor that is provided with in vibrations fill below, be equipped with the sieve on the bottom plate of vibrations fill, be located the one end of vibrations fill low side is the open end, is close to the high side end of vibrations fill the box upper wall is equipped with the filling tube, be located in the box the fixed crushing fill that is provided with in below of vibrations fill open end, be equipped with a pair of crushing roller in the crushing fill, the fixed lifting machine that is provided with in box outside with crushing fill bottom is linked together, the lifting machine top is connected with the backward flow inclined tube, just the backward flow inclined tube with the filling tube is connected.

Preferably, an inclined plate is fixedly arranged below the sieve plate in the box body, and a discharge hole is formed in one end of one side wall of the box body, which is positioned at the low side of the inclined plate.

Preferably, a plurality of flow limiting baffles are fixedly arranged on one side of the sieve plate in the vibration hopper.

Preferably, a hopper is fixedly arranged on the feeding pipe.

Advantageous effects

The utility model provides a fuel coal pretreatment device of a cement rotary kiln, which has the beneficial effects that coal dust can be screened through a screen plate on a vibrating hopper, the screened coal dust can drop onto an inclined plate and is discharged out of a box body through a discharge port for use, coal blocks which are not screened out can be crushed through a crushing roller, and the crushed coal dust can flow into a feeding pipe through a lifting machine and a backflow inclined pipe for screening again, so that the coal dust is ensured to be fully utilized.

Drawings

FIG. 1 is a front view internal structure diagram of the present utility model;

fig. 2 is a partial top view of the high side end of the vibrating bucket.

In the figure: 1. a case; 2. an elastic member; 3. vibrating hopper; 4. a sieve plate; 5. a feeding tube; 6. crushing a hopper; 7. a crushing roller; 8. a hoist; 9. a hopper; 10. a backflow inclined tube; 11. a vibration motor; 12. a sloping plate; 13. a discharge port; 14. a flow-limiting baffle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a cement rotary kiln fuel coal preprocessing device, the power distribution box comprises a box body 1, the box 1 upper wall inboard is connected with vibrations fill 3 through elastic component 2, vibrations fill 3 is the slope setting, vibrations fill 3 below is fixed to be provided with vibrations motor 11, can make vibrations fill 3 vibrations through vibrations motor 11, the vibrations fill 3 that set up through the slope can be convenient for the flow of buggy, be equipped with the sieve 4 that is used for screening buggy on the bottom plate of vibrations fill 3, the one end that is located vibrations fill 3 low side is the open end, be close to the box 1 upper wall of vibrations fill 3 high side and be equipped with the filling tube 5 that is used for throwing into buggy into vibrations fill 3, be located the fixed crushing fill 6 that is provided with in below of vibrations fill 3 open end in the box 1, be equipped with a pair of crushing roller 7 in the crushing fill 6, a pair of crushing roller 7 are connected with motor (not shown in the figure), the great particle size of particles that flows out in by vibrations fill 3 can be broken through a pair of crushing roller 7, the box 1 outside is fixed be provided with the lifting machine 8 that is linked together with crushing fill 6 bottom, lifting machine 8 top is connected with backward flow pipe chute 10, and backward flow pipe chute 10 is connected with the inside the crushing roller 5 through the lifting machine 8 again and can carry out the crushing roller 5 to complete the crushing by the crushing roller after the crushing roller is connected with the crushing roller 5 again through the lifting machine 3.

As an embodiment of the utility model, the inclined plate 12 is fixedly arranged below the sieve plate 4 in the box 1, the discharge opening 13 is arranged at one end of one side wall of the box 1, which is positioned at the lower side of the inclined plate 12, and the pulverized coal sieved by the sieve plate 4 falls onto the inclined plate 12 by self weight and is discharged out of the box 1 through the discharge opening 13.

As an embodiment of the utility model, a plurality of flow limiting baffles 14 are fixedly arranged on one side of the sieve plate 4 in the vibration hopper 3, and when the coal dust in the feeding pipe 5 falls into the vibration hopper 3, the coal dust can be prevented from flowing to the upper part of the sieve plate 4 at the same position by arranging the plurality of flow limiting baffles 14, so that the screening effect of the sieve plate 4 is prevented from being influenced due to concentrated accumulation of the coal dust.

As an embodiment of the utility model, the feeding hopper 9 is fixedly arranged on the feeding pipe 5, so that pulverized coal is conveniently added into the feeding pipe 5.

All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted.

The working principle and the using flow of the utility model are as follows: when the coal powder feeding device is used, coal powder is poured into the feeding hopper 9, the coal powder can enter the vibrating hopper 3 through the feeding pipe 5, the vibrating hopper 3 can vibrate by starting the vibrating motor 11, the coal powder can flow to one end at the low side through the vibrating hopper 3 which is obliquely arranged and is screened through the screen plate 4, the coal powder screened out by the screen plate 4 falls onto the inclined plate 12, the coal blocks on the vibrating hopper 3 can continue to flow until falling into the crushing hopper 6, the crushed coal blocks can be crushed through the crushing roller 7 in the crushing hopper 6, and the crushed coal powder can flow into the feeding pipe 5 through the lifting machine 8 and the backflow inclined pipe 10 to be screened again.

The crushing roller 7 and the elevator 8 used in the present utility model are conventional techniques, and their specific structures will not be described in detail.

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 (4)

1. The utility model provides a cement rotary kiln fuel coal preprocessing device, its characterized in that, including box (1), box (1) upper wall inboard is connected with vibrations fill (3) through elastic component (2), vibrations fill (3) are slope setting, vibrations fill (3) below is fixed be provided with vibrations motor (11), be equipped with sieve (4) on the bottom plate of vibrations fill (3), be located vibrations fill (3) low side's one end is the open end, is close to vibrations fill (3) high side the box (1) upper wall is equipped with filling tube (5), be located in box (1) vibrations fill (3) open end's below is fixed be provided with crushing fill (6), be equipped with a pair of crushing roller (7) in crushing fill (6), box (1) outside fixedly be provided with hoist (8) that crushing fill (6) bottom is linked together, hoist (8) top is connected with backward flow inclined tube (10) just backward flow inclined tube (10) with filling tube (5) are connected.

2. The rotary cement kiln fuel coal pretreatment device according to claim 1, characterized in that an inclined plate (12) is fixedly arranged below the sieve plate (4) in the box body (1), and a discharge opening (13) is formed in one end of one side wall of the box body (1) positioned at the low side of the inclined plate (12).

3. The rotary cement kiln fuel coal pretreatment device according to claim 1, wherein a plurality of flow limiting baffles (14) are fixedly arranged in the vibrating hopper (3) and positioned on one side of the screen plate (4).

4. The fuel coal pretreatment device of the cement rotary kiln according to claim 1, wherein a hopper (9) is fixedly arranged on the feeding pipe (5).