Fly ash processing pretreatment device

Abstract

The utility model discloses a fly ash processing pretreatment device which comprises a top box, grinding rollers are installed in the top box, each grinding roller is of a double-roller structure, the grinding rollers are electrically connected with a driving box, two sets of grinding rollers are arranged up and down, the gap between the lower grinding rollers is smaller than the gap between the upper grinding rollers, and the lower grinding rollers are electrically connected with the driving box. A guide plate is installed below the grinding roller, a connecting box is arranged below the guide plate, the top of the connecting box communicates with the bottom face of the top box, the other end of the connecting box communicates with the top face of the mixing box, and the whole connecting box is obliquely arranged towards the mixing box; the utility model provides a coal ash processing pretreatment device which solves the problems that existing coal ash pretreatment equipment is single in function, can only carry out one-time crushing treatment on coal ash, needs to be replaced in follow-up drying and mixing treatment, is troublesome and complex in process conversion, reduces working efficiency, prolongs working time of pretreatment, and reduces working efficiency. And actual processing and use are not facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of fly ash processing, in particular to a fly ash processing pretreatment device. Background Art

[0002] Fly ash is one of the main solid wastes discharged from coal-fired power plants and has potential economic value, such as being used as a building material, concrete admixture, etc. However, fly ash usually needs to be processed and pretreated before direct use to improve its physical and chemical properties and enhance its application performance.

[0003] Although the currently commonly used fly ash processing pretreatment devices have improved the processing efficiency and utilization rate of fly ash to a certain extent, they still have some shortcomings: the equipment functions are relatively simple and can only crush the fly ash once. The subsequent drying and mixing treatments require the replacement of equipment. The process conversion is relatively troublesome and complicated, which reduces work efficiency and increases the working time of pretreatment, which is not conducive to actual processing and use.

[0004] Therefore, it is necessary to provide a fly ash processing pretreatment device to solve the above technical problems. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fly ash processing pretreatment device to solve the problem that the current coal ash pretreatment equipment has relatively single functions and can only crush the fly ash once. The subsequent drying and mixing treatments require replacement of equipment. The process conversion is relatively troublesome and complicated, which reduces work efficiency and increases the working time of pretreatment, which is not conducive to actual processing and use.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A fly ash processing pretreatment device comprises: a top box;

[0008] A grinding roller is installed inside the top box, and the grinding roller is a double-roller structure. The grinding roller is electrically connected to the driving box. There are two groups of grinding rollers arranged up and down, and the gap of the lower grinding roller is smaller than the gap of the upper grinding roller. A guide plate is installed below the grinding roller, and a connecting box is located below the guide plate. The top of the connecting box is connected to the bottom surface of the top box, and the other end is connected to the top surface of the mixing box. The connecting box is tilted toward the mixing box as a whole, and an electric control box is installed on the front end surface of the mixing box, and the electric control box is electrically connected to the electric telescopic rod. An inlet is installed on the top surface of the connection between the mixing box and the connecting box, and a motor is installed at the bottom of the mixing box. The motor is connected to the rotating shaft inside the mixing box. The bottom surface of the mixing box is a discharge port, and an electric control valve is installed inside the discharge port.

[0009] In one embodiment, the guide plate is arranged as a whole to be inclined downward, with a gap between the bottom of the inclined end and the inner wall surface of the top box, and two guide plates are arranged at intervals from top to bottom, and the two guide plates are arranged in opposite directions.

[0010] In one embodiment, a guide groove is provided on the top surface of the guide plate, and a heater is installed on the bottom surface of the guide plate.

[0011] In one embodiment, a screen plate is installed in the inner middle part of the mixing box, and the screen of the screen plate is a powder screen. A processing mechanism is installed above the screen plate, and the processing mechanism consists of a support plate, a vibration controller, a scraper, a vibration rod, and a vibration head. The middle part of the front end of the support plate is installed and connected to the electric telescopic rod, and a vibration controller is installed on the top surface of the support plate. The vibration controller is electrically connected to the vibration rod and the vibration head at the bottom of the support plate. The vibration head is a rubber head, and its bottom is in contact with the top surface of the screen plate.

[0012] In one embodiment, the scraper is installed on the bottom surface of the support plate, the scraper and the vibration rod are arranged alternately at intervals, the scraper is arranged at an angle, and the inclined surfaces of the scraper on both sides are arranged in opposite directions.

[0013] The beneficial effects of the utility model are as follows:

[0014] (1) The utility model grinds coal blocks into coal powder by feeding them into grinding rollers, and heats the inner wall of the guide groove by a heater. The guide groove helps to divert the coal powder and increase the heating contact surface of the coal powder. The coal powder is heated and transported by the guide plate and is assisted by the temperature around the guide plate, which helps to discharge excess water.

[0015] (2) The utility model is started by an electric telescopic rod, which drives the support plate to move back and forth along the top surface of the screen plate. The screen plate is continuously vibrated by the vibrating head to assist the powder to fall. The powder mixed with the coal powder is put into the top surface of the screen plate from the feed inlet, and the coal powder and the powder are initially mixed and fall through the movement of the scraper, which helps to improve the time and efficiency of the subsequent mixing process. The scraper helps the two powders to fall evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the utility model;

[0017] Figure 2 It is a cross-sectional detail diagram of the internal structure of each component of the utility model;

[0018] Figure 3 This is a detailed diagram of the guide plate of the utility model;

[0019] Figure 4 This is a detailed diagram of the processing mechanism of the utility model.

[0020] Among them, the names corresponding to the figure marks are: top box 1, grinding roller 2, drive box 3, connecting box 4, mixing box 5, feed port 51, motor 52, discharge port 53, screen plate 54, electric control box 6, electric telescopic rod 61, processing mechanism 7, support plate 71, vibration controller 72, scraper 73, vibration rod 74, vibration head 75, guide plate 8, heater 81, and guide groove 82. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments. The present invention includes but is not limited to the following embodiments.

[0022] like Figure 1-Figure 2 As shown, the utility model provides a fly ash processing pretreatment device, comprising: a top box 1, a grinding roller 2, a driving box 3, a connecting box 4, a mixing box 5, an electric control box 6, a processing mechanism 7, and a guide plate 8;

[0023] like Figure 1-Figure 2 As shown, a grinding roller 2 is installed inside the top box 2, and the grinding roller 2 is a double-roller structure. The grinding roller 2 is electrically connected to the driving box 3. The grinding roller 2 is arranged in two groups up and down, and the gap between the lower grinding roller 2 is smaller than the gap between the upper grinding roller 2, so that the coal powder can be ground more finely. A guide plate 8 is installed below the grinding roller 2, and the guide plate 8 is used to provide a guiding path for the ground coal powder and to heat dry the coal powder. Below the guide plate 8 is a connecting box 4, and the top of the connecting box 4 is connected to the bottom surface of the top box 2, and the other end is connected to the top surface of the mixing box 5. 4 is arranged as a whole to be inclined toward the mixing box 5, and the inclined inner bottom surface helps the coal powder to fall into the mixing box 5. The front end surface of the mixing box 5 is installed with an electric control box 6, and the electric control box 6 is electrically connected to the electric telescopic rod 61. The top surface of the connection between the mixing box 5 and the connecting box 4 is installed with an inlet 51, and the inlet 51 is used to put in the mixed powder mixed with the coal powder. The bottom of the mixing box 5 is installed with a motor 52, and the motor 52 is connected to the rotating shaft inside the mixing box 5. The bottom surface of the mixing box 5 is a discharge port 53, and the discharge port 53 is installed with an electric control valve inside for discharging the mixed mixture.

[0024] Preferably, in one embodiment, Figure 1-Figure 2 As shown, the guide plate 8 is tilted downward as a whole, with a gap between the bottom of the tilted end and the inner wall of the top box 1, and two guide plates 8 are spaced apart from each other, and the two guide plates 8 are disposed in opposite directions.

[0025] Preferably, in one embodiment, Figure 2-3As shown, a guide groove 82 is provided on the top surface of the guide plate 8, and a heater 81 is installed on the bottom surface of the guide plate 8. The inner wall of the guide groove 82 is heated by the heater 81. The guide groove 82 helps to divert the coal powder and improve the heating contact surface of the coal powder. The coal powder is heated and transported by the guide plate 8 and is auxiliary heated by the temperature around the guide plate 8, which helps to discharge excess water.

[0026] Preferably, in one embodiment, Figure 2-4 As shown, a screen plate 54 is installed in the inner middle part of the mixing box 5, and the screen of the screen plate 54 is a powder screen. A processing mechanism 7 is installed above the screen plate 54, and the processing mechanism 7 is composed of a support plate 71, a vibration controller 72, a scraper 73, a vibration rod 74, and a vibration head 75. The front middle part of the support plate 71 is installed and connected with the electric telescopic rod 61, and the top surface of the support plate 71 is installed with a vibration controller 72. The vibration controller 72 is electrically connected to the vibration rod 74 and the vibration head 75 at the bottom of the support plate 71. The vibration head 75 is a rubber head, and its bottom is in contact with the top surface of the screen plate 54. When working, the coal powder falls from the connection box 4 into the top surface of the screen plate 54, and is started by the electric telescopic rod 61, which drives the support plate 71 to move back and forth along the top surface of the screen plate 54, and the screen plate 54 is continuously vibrated by the vibration head 75 to assist the falling of the powder.

[0027] Preferably, in one embodiment, the scraper 73 is installed on the bottom surface of the support plate 71, the scraper 73 and the vibration rod 74 are arranged alternately at intervals, the scraper 73 is arranged at an angle, and the inclined surfaces of the scraper 73 on both sides are arranged in opposite directions. When working, the powder mixed with the coal powder is put into the top surface of the screen plate 54 from the feed port 51, and the coal powder and the powder are initially mixed and fall through the movement of the scraper 73, which helps to improve the time and efficiency of the subsequent mixing process, and the scraper 73 helps the two powders to fall evenly.

[0028] Working principle of this utility model:

[0029] During operation, the coal block is put into the grinding roller 2 and ground into coal powder. The inner wall of the guide groove 82 is heated by the heater 81. The guide groove 82 helps to divert the coal powder and improve the heating contact surface of the coal powder. The coal powder is heated and transported by the guide plate 8 and is auxiliary heated by the temperature around the guide plate 8, which helps to discharge excess water. The coal powder falls from the connection box 4 onto the top surface of the screen plate 54, and is started by the electric telescopic rod 61 to drive the support plate 71 to move back and forth along the top surface of the screen plate 54. The screen plate 54 is continuously vibrated by the vibrating head 75 to assist the powder to fall. The powder mixed with the coal powder is put into the top surface of the screen plate 54 from the feed port 51, and the coal powder and the powder are initially mixed and fall by the movement of the scraper 73, which helps to improve the time and efficiency of the subsequent mixing process. The scraper 73 helps the two powders to fall evenly. The motor 52 drives the stirring shaft to mix the two powders, and the mixed powders are discharged from the discharge port 53.

[0030] The above embodiment is only one of the preferred implementation modes of the present utility model and should not be used to limit the protection scope of the present utility model. Any changes or modifications that are made to the main design concept and spirit of the present utility model without any substantive significance, as long as the technical problems solved are still consistent with the present utility model, should be included in the protection scope of the present utility model.

Claims

1. A fly ash processing pretreatment device, characterized in that: include: Top box; A grinding roller is installed inside the top box, and the grinding roller is a double-roller structure. The grinding roller is electrically connected to the driving box. There are two groups of grinding rollers arranged up and down, and the gap of the lower grinding roller is smaller than the gap of the upper grinding roller. A guide plate is installed below the grinding roller, and a connecting box is located below the guide plate. The top of the connecting box is connected to the bottom surface of the top box, and the other end is connected to the top surface of the mixing box. The connecting box is tilted toward the mixing box as a whole, and an electric control box is installed on the front end surface of the mixing box, and the electric control box is electrically connected to the electric telescopic rod. An inlet is installed on the top surface of the connection between the mixing box and the connecting box, and a motor is installed at the bottom of the mixing box. The motor is connected to the rotating shaft inside the mixing box. The bottom surface of the mixing box is a discharge port, and an electric control valve is installed inside the discharge port.

2. A fly ash processing pretreatment device according to claim 1, characterized in that: The guide plate is arranged to be tilted downward as a whole, with a spacing between the bottom of the tilted end and the inner wall surface of the top box, and two guide plates are arranged at intervals up and down, and the two guide plates are arranged in opposite directions.

3. A fly ash processing pretreatment device according to claim 2, characterized in that: The top surface of the guide plate is provided with a guide groove, and the bottom surface of the guide plate is provided with a heater.

4. The fly ash processing pretreatment device according to claim 1, characterized in that: A screen plate is installed in the inner middle part of the mixing box, and the screen of the screen plate is a powder screen. A processing mechanism is installed above the screen plate, and the processing mechanism consists of a support plate, a vibration controller, a scraper, a vibration rod, and a vibration head. The middle part of the front end of the support plate is installed and connected with the electric telescopic rod, and a vibration controller is installed on the top surface of the support plate. The vibration controller is electrically connected to the vibration rod and the vibration head at the bottom of the support plate. The vibration head is a rubber head, and its bottom is in contact with the top surface of the screen plate.

5. The fly ash processing pretreatment device according to claim 4, characterized in that: The scraper is installed on the bottom surface of the support plate, the scraper and the vibration rod are arranged alternately at intervals, the scraper is arranged obliquely, and the inclined surfaces of the scraper on both sides are arranged in opposite directions.

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