Gasification slag resource utilization device

Abstract

The utility model provides a gasified slag resource utilization device, and relates to the technical field of gasified slag processing. The gasification slag resource utilization device comprises a smashing box, a first drying box and a second drying box, a feeding hopper is arranged at the top of the smashing box and communicates with the interior of the smashing box, a smashing assembly is arranged in the smashing box, and a first screen and a second screen which are inclined are arranged below the smashing assembly; and the crushing box communicates with the first drying box through a first discharging channel, the crushing box communicates with the second drying box through a second discharging channel, anti-blocking assemblies are arranged above the first screen and the second screen correspondingly, and air heating assemblies are arranged on the first drying box and the second drying box correspondingly. The screen can be prevented from being blocked, the screening effect is improved, treated materials can be directly used, and retreatment procedures are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gasification slag processing, and in particular to a device for resource utilization of gasification slag. Background Art

[0002] Coal gasification slag is a solid residue formed by the incomplete combustion of coal with oxygen or oxygen-enriched air to generate CO and H₂, in which the inorganic minerals in the coal undergo different physical and chemical transformations and are accompanied by the residual carbon particles in the coal. It can be divided into two categories: coarse slag and fine slag. At present, the research on the application of gasification slag at home and abroad mainly focuses on the following aspects: ① Preparation of construction materials: aggregates, cementitious materials, wall materials, non-fired bricks, etc.; ② Soil and water body restoration: soil improvement, water body restoration, etc.; ③ Utilization of residual carbon: properties of residual carbon, upgrading of residual carbon, circulating co-firing, etc.; ④ Preparation of high-value-added materials: catalyst carriers, rubber and plastic fillers, ceramic materials, silicon-based materials, etc.

[0003] The current application of gasification slag in construction materials mainly includes the preparation of ceramsite, cement, concrete wall materials, and brick materials, etc., which is an important way for the large-scale disposal of coal gasification slag. Gasification slag contains a large amount of silicon-aluminum oxides and has certain pozzolanic activity, which can be used as a cement raw material; due to the certain particle size distribution of gasification slag particles, it can be used as an aggregate and admixture in the production of concrete to realize the resource recycling of gasification slag. However, the existing resource utilization of gasification slag usually directly screens it for utilization, but screen clogging may occur during screening, affecting the screening effect. At the same time, some particles are relatively large and need to be crushed again for further utilization, resulting in a cumbersome process. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a device for resource utilization of gasification slag, which can prevent screen clogging, improve the screening effect, directly use the processed materials, and reduce the reprocessing process.

[0005] The embodiments of the utility model are realized by the following technical solutions:

[0006] A device for resource utilization of gasification slag includes a crushing box, a first drying box, and a second drying box. An inlet hopper is arranged at the top of the crushing box, and the inlet hopper is communicated with the inside of the crushing box. A crushing assembly is arranged inside the crushing box. Below the crushing assembly, there are an inclined first screen and a second screen. The crushing box is communicated with the first drying box through a first discharge channel, and the crushing box is communicated with the second drying box through a second discharge channel. Anti-clogging assemblies are arranged above the first screen and the second screen, and air-heat assemblies are arranged on both the first drying box and the second drying box.

[0007] Further, the anti-blocking component includes an anti-blocking motor, a rotating rod, a rotating cylinder, and rotating blades. The anti-blocking motor is installed on the outer wall of the crushing box. One end of the rotating rod penetrates the crushing box and is connected to the output end of the anti-blocking motor. The rotating cylinder is installed on the rotating rod, and a number of rotating blades are installed on the outer surface of the rotating cylinder. The rotating blades can contact the first screen.

[0008] Further, both the first screen and the second screen are connected to the crushing box through first springs.

[0009] Further, one end of the rotating blade away from the rotating cylinder is connected to a second spring, and the other end of the second spring is connected to an elastic ball.

[0010] Further, the crushing component includes a horizontally arranged first crushing roller and a second crushing roller. The first crushing roller and the second crushing roller are connected by gears. The first crushing roller is also connected to a crushing motor, and the crushing motor is installed on the outer wall of the crushing box. A guide plate is also provided in the crushing box, and the guide plate is used to guide the material between the first crushing roller and the second crushing roller.

[0011] Further, a stirring shaft and a number of stirring rods installed on the stirring shaft are provided in both the first drying box and the second drying box. The stirring shaft is also connected to a stirring motor.

[0012] Further, a black water sedimentation area is provided at the bottom of the crushing box. A number of sedimentation sections are provided on the bottom surface of the black water sedimentation area, and a slag discharge pipe is provided at the bottom of each sedimentation section.

[0013] The technical solution of the embodiment of the present utility model has at least the following advantages and beneficial effects:

[0014] In the present utility model, the gasification slag is crushed by the crushing component, which can reduce the content of large particles in the coarse slag and is beneficial to the recycling of the coarse slag. At the same time, the first screen is used to perform a primary screening on the crushed gasification slag. The coarse slag after the primary screening enters the first drying box through the first discharge channel. The hot air component on the first drying box dries the coarse slag to reduce the moisture content of the coarse slag. The second screen performs a secondary screening on the gasification slag. The fine slag after the secondary screening enters the second drying box through the second discharge channel. The hot air component on the second drying box dries the fine slag to reduce the moisture content of the fine slag. The dried coarse slag and fine slag can be directly recycled, reducing the operation steps of reprocessing. In addition, when the first screen and the second screen perform screening, the anti-blocking component can be used to reduce the blockage of the first screen and the second screen and improve the screening effect. Description of the Drawings

[0015] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic structural diagram of a gasification slag resource utilization device provided in Embodiment 1 of the present utility model;

[0017] Figure 2 For Embodiment 1 of the present utility model Figure 1 The partial enlarged view in;

[0018] Figure 3 It is a schematic structural diagram of an anti-blocking component provided in Embodiment 1 of the present utility model.

[0019] Icon: 1 - Crushing box, 2 - First drying box, 3 - Second drying box, 4 - Feed hopper, 5 - Guide plate, 6 - First crushing roller, 7 - Second crushing roller, 8 - First screen, 9 - Second screen, 10 - First discharge channel, 11 - Second discharge channel, 12 - Black water sedimentation area, 13 - Settling section, 14 - Slag discharge pipe, 15 - Slag discharge valve, 16 - Wind-heat component, 17 - Stirring motor, 18 - Stirring shaft, 19 - Stirring rod, 20 - First spring, 22 - Rotating rod, 23 - Rotating cylinder, 24 - Rotating blade, 25 - Second spring, 26 - Elastic ball. Detailed implementation manners

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but only represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0022] It should be noted that: similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0023] In the description of the present utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the application product is customarily placed during use, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0024] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, if terms such as "set", "installed", "connected", "linked" are understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Embodiment 1

[0026] As Figures 1-3 shown, this embodiment provides a device for the resource utilization of gasification slag, which includes a crushing box 1, a first drying box 2, and a second drying box 3. A feed hopper 4 is arranged at the top of the crushing box 1, and the feed hopper 4 is internally communicated with the crushing box 3. A crushing assembly is arranged inside the crushing box 1. Below the crushing assembly, an inclined first screen 8 and a second screen 9 are arranged. The crushing box 1 and the first drying box 2 are communicated through a first discharge channel 10, and the crushing box 1 and the second drying box 3 are communicated through a second discharge channel 11. Anti-blocking assemblies are arranged above both the first screen 8 and the second screen 9, and air-heat assemblies 16 are arranged on both the first drying box 2 and the second drying box 3.

[0027] The gasification slag is crushed by the crushing assembly, which can reduce the content of large particles in the coarse slag and is beneficial to the recycling of the coarse slag. At the same time, the crushed gasification slag is initially screened by the first screen 8. The coarse slag after the initial screening enters the first drying box 2 through the first discharge channel 10, and the air-heat assembly 16 on the first drying box 2 dries the coarse slag to reduce the moisture content of the coarse slag. The second screen 9 performs a secondary screening on the gasification slag, and the fine slag after the secondary screening enters the second drying box 3 through the second discharge channel 11. The air-heat assembly 16 on the second drying box 3 dries the fine slag to reduce the moisture content of the fine slag. The dried coarse slag and fine slag can be directly recycled, reducing the operation steps of reprocessing. In addition, when the first screen 8 and the second screen 9 are screening, the anti-blocking assemblies can be used to reduce the blockage of the first screen 8 and the second screen 9 and improve the screening effect.

[0028] In this embodiment, the anti-clogging component includes an anti-clogging motor, a rotating rod 22, a rotating cylinder 23 and rotating blades 24. The anti-clogging motor is installed on the outer wall of the crushing box 1. One end of the rotating rod 22 penetrates through the crushing box 1 and is connected to the output end of the anti-clogging motor. The rotating cylinder 23 is installed on the rotating rod 22, and a plurality of rotating blades 24 are installed on the outer surface of the rotating cylinder 23. The rotating blades 24 can contact the first screen 8. When in use, the anti-clogging motor drives the rotating rod 22 to rotate, the rotating rod 22 drives the rotating cylinder 23 to rotate, the rotating cylinder 23 drives the rotating blades 24 to rotate, and the rotating blades 24 knock on the first screen 8 during rotation, causing the first screen 8 to vibrate, thereby playing an anti-clogging role. The same applies to the second screen 9. Preferably, the anti-clogging component can be installed at both ends of the first screen 8, which can improve the vibration intensity of the first screen 8 and make the anti-clogging effect better.

[0029] In this embodiment, both the first screen 8 and the second screen 9 are connected to the crushing box 1 through first springs 20. In this way, when the rotating blades 24 knock on the first screen 8 or the second screen 9, the first screen 8 and the second screen 9 vibrate more greatly under the action of the first springs 20, further reducing the blockage of the gasified slag on the screens and improving the screening effect. Preferably, mounting blocks are provided on the inner wall of the crushing box 1, and the other ends of the first springs 20 are connected to the mounting blocks.

[0030] In this embodiment, a second spring 25 is connected to the end of the rotating blade 24 away from the rotating cylinder 23, and the other end of the second spring 25 is connected to an elastic ball 26. When the rotating blade 24 rotates, the second spring 25 generates a traction force and elongates, making the distance between the elastic ball 26 and the rotating blade 24 farther. When the rotating blade 24 knocks on the first screen 8, the elastic ball 26 can knock on the first screen 8 again, further improving the vibration intensity of the first screen 8.

[0031] In this embodiment, the crushing component includes a first crushing roller 6 and a second crushing roller 7 arranged horizontally. The first crushing roller 6 and the second crushing roller 7 are connected by gears. The first crushing roller 6 is also connected to a crushing motor, and the crushing motor is installed on the outer wall of the crushing box 1. A guide plate 5 is further provided in the crushing box 1, and the guide plate 5 is used to guide the material between the first crushing roller 6 and the second crushing roller 7. When in use, the crushing motor drives the first crushing roller 6 to rotate, and the first crushing roller 6 drives the second crushing roller 7 to rotate through gear transmission. When the gasified slag enters between the first crushing roller 6 and the second crushing roller 7, the first crushing roller 6 and the second crushing roller 7 crush the gasified slag. The gasified slag is guided between the first crushing roller 6 and the second crushing roller 7 through the guide plate 5, which is convenient for crushing the gasified slag and improves the crushing effect of the gasified slag.

[0032] In this embodiment, a stirring shaft 18 and several stirring rods 19 mounted on the stirring shaft 18 are provided in both the first drying oven 2 and the second drying oven 3. The stirring shaft 18 is also connected to a stirring motor 17. When the first drying oven 2 dries the coarse slag and the second drying oven 3 dries the fine slag, the cooperation of the stirring shaft 18, the stirring rods 19 and the stirring motor 17 can turn the coarse slag and the fine slag, so that the coarse slag and the fine slag can better contact the hot air, accelerating the drying speed and improving the drying effect.

[0033] In this embodiment, a black water sedimentation area 12 is provided at the bottom of the crushing box 1. The bottom surface of the black water sedimentation area 12 is provided with several sedimentation sections 13, and a slag discharge pipe 14 is provided at the bottom of each sedimentation section 13. Among them, a slag discharge valve 15 is provided on the slag discharge pipe 14. During the processes of crushing and screening, the black water in the gasification slag can gather in the black water sedimentation area 12 at the bottom of the crushing box 1 and settle through the sedimentation sections 13. After the crushing and screening are completed, the sediment in the sedimentation sections 13 can be discharged through the slag discharge pipe 14, facilitating the recovery and treatment of the black water.

[0034] The working principle of a gasification slag resource utilization device is as follows: The gasification slag is poured into the crushing box 1 from the feed hopper 4. The gasification slag enters between the first crushing roller 6 and the second crushing roller 7 along the guide plate 5. At the same time, the crushing motor and the anti-blocking motor are started. The crushing motor drives the first crushing roller 6 to rotate, and the first crushing roller 6 drives the second crushing roller 7 to rotate, so that the first crushing roller 6 and the second crushing roller 7 crush the gasification slag. The crushed material falls onto the first screen 8, passes through the first screen 8 and enters the first drying oven 2 through the first discharge channel 10. The material passing through the first screen 8 falls onto the second screen 9, passes through the second screen 9 and enters the second drying oven 3 through the second discharge channel 11. While the material is being screened by the first screen 8 and the second screen 9, the anti-blocking motor drives the rotating rod 22 to rotate, the rotating rod 22 drives the rotating cylinder 23 to rotate, and the rotating cylinder 23 drives the rotating blades 24 to rotate. During the rotation of the rotating blades 24, the first screen 8 and the second screen 9 are knocked. At the same time, the rotation of the rotating blades 24 causes the second spring 25 to generate a traction force and elongate, making the distance between the elastic ball 26 and the rotating blades 24 farther. When the rotating blades 24 knock on the first screen 8 and the second screen 9, the elastic ball 26 can knock on the first screen 8 and the second screen 9 again, so that the first screen 8 and the second screen 9 vibrate strongly, playing an anti-blocking role. During the screening process, the hot air component 16 can be used to dry the materials in the first drying oven 2 and the second drying oven 3. At the same time, the stirring motor 17 drives the stirring shaft 18 to rotate, the stirring shaft 18 drives the stirring rods 19 to rotate, and the stirring rods 19 turn the materials, accelerating the drying speed.

[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A device for the resource utilization of gasification slag, characterized in that: It includes a crushing box, a first drying box and a second drying box. A feed hopper is provided at the top of the crushing box, and the feed hopper is communicated with the inside of the crushing box. A crushing assembly is provided inside the crushing box. An inclined first screen and a second screen are provided below the crushing assembly. The crushing box and the first drying box are communicated through a first discharge channel, and the crushing box and the second drying box are communicated through a second discharge channel. Anti-blocking assemblies are provided above both the first screen and the second screen, and air-heat assemblies are provided on both the first drying box and the second drying box.

2. The gasification slag resource utilization device according to claim 1, wherein The anti-blocking assembly includes an anti-blocking motor, a rotating rod, a rotating cylinder and rotating blades. The anti-blocking motor is installed on the outer wall of the crushing box. One end of the rotating rod penetrates the crushing box and is connected to the output end of the anti-blocking motor. The rotating cylinder is installed on the rotating rod, and a number of rotating blades are installed on the outer surface of the rotating cylinder. The rotating blades can contact the first screen.

3. The gasification slag resource utilization device according to claim 2, characterized in that, Both the first screen and the second screen are connected to the crushing box through first springs.

4. The gasification slag resource utilization device according to claim 2, wherein, One end of the rotating blade away from the rotating cylinder is connected to a second spring, and the other end of the second spring is connected to an elastic ball.

5. The gasification slag resource utilization device according to claim 1, wherein, The crushing assembly includes a horizontally arranged first crushing roller and a second crushing roller. The first crushing roller and the second crushing roller are connected by gears. The first crushing roller is also connected to a crushing motor, and the crushing motor is installed on the outer wall of the crushing box. A guide plate is further provided inside the crushing box, and the guide plate is used to guide the material between the first crushing roller and the second crushing roller.

6. The gasification slag resource utilization device according to claim 1, wherein A stirring shaft and a number of stirring rods installed on the stirring shaft are provided inside both the first drying box and the second drying box. The stirring shaft is also connected to a stirring motor.

7. The gasification slag resource utilization device according to claim 1, characterized in that, A black water sedimentation area is provided at the bottom of the crushing box. The bottom surface of the black water sedimentation area is provided with a number of sedimentation sections, and a slag discharge pipe is provided at the bottom of each sedimentation section.

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