Fuel crusher

Abstract

The utility model relates to a fuel crusher, which belongs to the technical field of fuel crushers, and comprises a crusher case, two crushing rollers, a bucket-shaped feeding machine and a screening net, the crusher case is fixedly communicated with a fuel feeding hopper, a crushing box is fixedly mounted on the inner wall of the crusher case, the crushing rollers are rotatably connected with the crushing box, and the screening net is fixedly connected with the crushing box. The two crushing rollers are fixedly connected with bearing gears, the bearing gears on the two sides are connected in a meshed mode, the crusher case is fixedly connected with a motor box, the motor box is fixedly connected with a stepping motor, the driving end of the stepping motor is fixedly connected with the crushing rollers, a material guide groove is formed in the inner wall of the crusher case, and the bucket type feeding machine is installed in the crusher case. According to the utility model, coal briquette fuel can be quickly screened, fine qualified fuel can be quickly discharged for use, and large fuel can be repeatedly fed for re-crushing treatment, so that the crushing effect of the fuel can be effectively improved, and sufficient combustion is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel crusher technical field, especially a kind of fuel crusher. BACKGROUND

[0002] Fuel crusher is a kind of equipment that can be broken to fuel, most thermal power plants are using coal as fuel raw material to produce electric energy, and to ensure power generation efficiency, fuel crusher is needed to break coal, so that it can be more fully combusted.

[0003] After searching, the Chinese patent with publication number CN202321510762.7 discloses a thermal power plant fuel crusher, the coal crushed by the crushing structure falls on the screening structure, the small coal blocks are dropped from the gap between adjacent screening roller structures, and are discharged from the fine material outlet; the relatively coarse coal blocks are conveyed by the crushing roller to the coarse material outlet and discharged, so that the screening of the crushed coal blocks is realized, and the screening particle size of fine material can be adjusted by adjusting the distance between adjacent screening roller structures; meanwhile, since the crushing roller is continuously rotating during screening, the condition of material blocking does not occur between adjacent crushing rollers.

[0004] The above technical solution has the following defects, although such fuel crusher structure can screen and discharge fuel blocks of different sizes, in actual use process, large fuel blocks need to be manually recharged for further treatment, to further improve the crushing efficiency of fuel, fine qualified fuel can be quickly discharged for use, and large fuel blocks can be repeatedly charged for re-crushing treatment, so that the crushing effect of fuel can be effectively improved, and sufficient combustion is ensured.

[0005] Therefore, the present application improves and solves the above problems, and finally proposes a technical solution with reasonable design and effective improvement of the above defects.

[0006] The information disclosed in the background section of this document is intended only to enhance the understanding of the general background of the present application, and should not be considered as acknowledging or implying in any form that this information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model provides a kind of fuel crusher, solve the problem raised in the above background, fine qualified fuel can be quickly discharged for use by quickly screening fuel, and large fuel blocks can be repeatedly charged for re-crushing treatment, so that the crushing effect of fuel can be effectively improved, and sufficient combustion is ensured.

[0008] The utility model discloses a fuel breaker, including the breaker machine case, crushing roller, hopper type material feeding machine, screening net, the fuel feeding hopper is fixedly connected with fuel to the breaker machine case, the inner wall fixed mounting of breaker machine case has the crushing box, the crushing roller is rotatably connected with the crushing box, the crushing roller is provided with two, two crushing roller all are fixedly connected with the receiving gear, both sides receiving gear meshed connection, the breaker machine case is fixedly connected with motor box, motor box is fixedly connected with the step motor, the drive end of step motor is fixedly connected with the crushing roller, the inner wall of breaker machine case is provided with the guide chute, hopper type material feeding machine installs in the breaker machine case, the bottom fixed mounting of screening net has vibration spring and vibration motor, vibration spring is fixedly connected with the guide chute, the breaker machine case is fixedly installed with the discharge hopper, and the discharge hopper is fixedly connected with the discharge valve.

[0009] On the basis of the above technical scheme, the utility model still can make following improvement.

[0010] Further, the fuel feeding hopper is provided with two, and one fuel feeding hopper is arranged at the discharge port of the hopper type material feeding machine.

[0011] Further, the crushing box is fixedly connected with a collecting hopper.

[0012] Further, the gap between the guide chute and the screening net is fixedly connected with a protective sleeve, and the protective sleeve wraps the vibration spring.

[0013] Further, the guide chute is inclinedly arranged, and one end is arranged as an arc-shaped structure matched with the hopper type material feeding machine.

[0014] Further, the outer wall of the crushing roller on both sides is uniformly provided with crushing protrusions, and the crushing protrusions of the crushing roller on both sides are arranged alternately.

[0015] Further, the top of the breaker machine case is provided with a perforation corresponding to the hopper type material feeding machine, and the hopper type material feeding machine is transmitted through the perforation.

[0016] The utility model provides a kind of fuel breaker, with following advantages:

[0017] 1, coal fuel can be transmitted to the crushing box of the breaker machine case through one side fuel feeding hopper, coal fuel is transmitted to the gap of two sides crushing roller under the guidance of collecting hopper, the outer wall of two sides crushing roller is provided with tapered protrusion, and two sides crushing roller can be synchronously rotated to crush coal fuel passing through;

[0018] 2. The vibrating motor can drive the screen at the top of the vibrating spring to vibrate. The crushed coal fuel falls onto the screen and can be quickly screened. The qualified coal fuel can pass through the screen and be conveyed to the discharge hopper. The qualified coal fuel can be discharged for use by opening the discharge valve. The coal fuel that is not completely crushed can be threaded at the guide chute. The bucket feeder can scoop up the coal fuel and discharge it to the fuel inlet hopper on one side for secondary feeding, so as to crush it again.

[0019] 3. This type of fuel crusher can quickly screen coal fuel. Small, qualified fuel pieces can be quickly discharged for use, while large pieces of fuel can be repeatedly fed and crushed, thereby effectively improving the crushing effect of the fuel and ensuring complete combustion.

[0020] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the structure of a fuel crusher according to an embodiment of the present invention;

[0023] Figure 2 A front view of a fuel crusher provided in an embodiment of this utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the crushing box in a fuel crusher according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of a screening screen in a fuel crusher, provided as an embodiment of the present invention.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1. Crusher housing; 2. Fuel feed hopper; 3. Crushing box; 4. Crushing roller; 5. Receiving gear; 6. Motor housing; 7. Stepper motor; 8. Collection hopper; 9. Guide chute; 10. Bucket feeder; 11. Screening screen; 12. Vibrating spring; 13. Vibrating motor; 14. Protective sleeve; 15. Discharge hopper; 16. Discharge valve. Detailed Implementation

[0028] The following is in conjunction with the appendix Figures 1-4 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0029] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0031] like Figures 1-4 As shown, a fuel crusher includes a crusher housing 1, crushing rollers 4, a bucket feeder 10, and a screening screen 11. The crusher housing 1 is fixedly connected to a fuel feed hopper 2. A crushing box 3 is fixedly installed on the inner wall of the crusher housing 1. The crushing rollers 4 are rotatably connected to the crushing box 3. There are two crushing rollers 4, and each crushing roller 4 is fixedly connected to a receiving gear 5. The receiving gears 5 on both sides are meshed together. A motor housing 6 is fixedly connected to the crusher housing 1. A stepper motor 7 is fixedly connected to the motor housing 6. The drive end of the stepper motor 7 is fixedly connected to the crushing rollers 4. A guide trough 9 is provided on the inner wall of the crusher housing 1. The bucket feeder 10 is installed inside the crusher housing 1. A vibration spring 12 and a vibration motor 13 are fixedly installed at the bottom of the screening screen 11. The vibration spring 12 is fixedly connected to the guide trough 9. A discharge hopper 15 is fixedly installed in the crusher housing 1, and a discharge valve 16 is fixedly connected to the discharge hopper 15.

[0032] Preferably, there are two fuel feed hoppers 2, one of which is located at the discharge port of the bucket feeder 10.

[0033] Preferably, the crushing box 3 is fixedly connected with a collecting hopper 8.

[0034] Preferably, a protective sleeve 14 is fixedly connected at the gap between the material guide groove 9 and the screening net 11, and the protective sleeve 14 wraps the vibration spring 12.

[0035] Preferably, the material guide groove 9 is arranged in an inclined manner, and one end is arranged in an arc-shaped structure matched with the bucket-type feeding machine 10.

[0036] Preferably, the outer wall of the two-side crushing roller 4 is uniformly provided with crushing protrusions, and the crushing protrusions of the two-side crushing roller 4 are arranged in a staggered manner.

[0037] Preferably, the top of the crusher box 1 is provided with a perforation corresponding to the bucket-type feeding machine 10, and the bucket-type feeding machine 10 is transmitted through the perforation.

[0038] The specific working principle and use method of the utility model are as follows: the coal block fuel can be transmitted to the crushing box 3 of the crusher box 1 through the side fuel feeding hopper 2, the coal block fuel is transmitted to the gap between the two-side crushing rollers 4 under the guidance of the collecting hopper 8, the two-side crushing rollers 4 are fixedly installed with the receiving gears 5, the two-side receiving gears 5 are meshingly connected, so that the two-side crushing rollers 4 can rotate synchronously, and the two-side crushing rollers 4 can be rotated after the start of the stepping motor 7, so as to crush the passing coal block fuel, the crushed coal block fuel is transmitted to the screening net 11, the vibration motor 13 is started to drive the screening net 11 at the top of the vibration spring 12 to vibrate, so that the crushed coal block fuel can be quickly screened, the qualified coal block fuel can be transmitted to the discharge hopper 15 through the screening net 11, and the qualified coal block fuel can be discharged for use after the opening of the discharge valve 16, the coal block fuel which is not completely crushed can be threaded at the material guide groove 9, the bucket-type feeding machine 10 can shovel the coal block fuel and discharge it to the side fuel feeding hopper 2 for secondary feeding, so as to be crushed again.

[0039] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; any ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical scheme of the utility model are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical scheme of the utility model are equivalent embodiments of the utility model.

Claims

1. A fuel shredder comprising a shredder housing (1), shredder rolls (4), a hopper (10), a screening grid (11), characterized in that: The crusher machine box (1) is fixedly connected with a fuel feeding hopper (2), the inner wall of the crusher machine box (1) is fixedly installed with a crushing box (3), the crushing roller (4) is rotatably connected with the crushing box (3), the crushing roller (4) is provided with two, two crushing rollers (4) are fixedly connected with an accommodating gear (5), the two accommodating gears (5) are meshedly connected, the crusher machine box (1) is fixedly connected with a motor box (6), the motor box (6) is fixedly connected with a stepping motor (7), the driving end of the stepping motor (7) is fixedly connected with the crushing roller (4), the inner wall of the crusher machine box (1) is provided with a guide chute (9), the hopper type feeder (10) is installed in the crusher machine box (1), the bottom of the screening net (11) is fixedly installed with a vibration spring (12) and a vibration motor (13), the vibration spring (12) is fixedly connected with the guide chute (9), the crusher machine box (1) is fixedly installed with a discharge hopper (15), the discharge hopper (15) is fixedly connected with a discharge valve (16).

2. A fuel shredder according to claim 1, characterized in that The fuel feeding hopper (2) is provided with two, one fuel feeding hopper (2) is arranged at the discharge port of the hopper type feeder (10).

3. The fuel mill of claim 1, wherein, The crushing box (3) is fixedly connected with a collecting hopper (8).

4. The fuel mill of claim 1, wherein, The gap between the guide chute (9) and the screening net (11) is fixedly connected with a protective sleeve (14), and the protective sleeve (14) wraps the vibration spring (12).

5. The fuel mill of claim 1, wherein, The guide chute (9) is inclinedly arranged, and one end is arranged as an arc-shaped structure matched with the hopper type feeder (10).

6. The fuel mill of claim 1, wherein, The outer wall of the crushing roller (4) is uniformly provided with a crushing protrusion, and the crushing protrusions of the crushing rollers (4) on both sides are staggered.

7. The fuel mill of claim 1, wherein, The top of the crusher machine box (1) is provided with a perforation corresponding to the hopper type feeder (10), and the hopper type feeder (10) is transmitted through the perforation.

Images