CN219559901U - Crushing and screening device for biomass ash - Google Patents

Abstract

The utility model discloses a crushing and screening device for biomass ash, which comprises a vibrating device, a crushing device and a supporting frame. The upper part of the supporting frame is fixedly connected with the crushing device, the lower part of the supporting frame is fixedly connected with the vibrating device and the base, and the bottom of the crushing device is connected with the vibrating device through a connecting rod mechanism and a vibrating spring; the vibration device comprises a vibration device box body and a vibration motor; the crushing device comprises a screen box, a rotating shaft motor, a crushing tooth motor, crushing teeth and a screen; an upper discharge hole and a lower discharge hole are formed in one side of the screen box, and a sealing cover is arranged at the top of the screen box; the support frame comprises a fixed frame, a movable frame, a control switch and a support rotating shaft. The utility model combines two functions of crushing and vibrating screen, the crushing device extrudes and crushes the accumulated large-particle biomass ash, and the unburnt biomass residue is not crushed; and after crushing, screening is synchronously carried out, small-particle biomass ash and unburnt residues are separated, and the treatment efficiency of the biomass ash is improved.

Description

Crushing and screening device for biomass ash

Technical Field

The utility model relates to a crushing and screening device for biomass ash, and belongs to the field of resource utilization.

Background

The resource utilization requirements of the agricultural wastes at home and abroad are higher, the biomass ash is used as an auxiliary cementing material to be added into a cement-based material or a mining filler, so that the mechanical and flow properties of the material can be improved, the raw material cost is reduced, and the biomass ash has high applicability (Chen Jundeng, the characteristics and comprehensive utilization of the biomass ash, scientific and technological innovation, 2020, 02, 50-51) in the mining industry and the building industry.

Biomass ash from biomass power plants is produced by burning straws of various crops. The biomass ash which is fully combusted is in a fine powder form, but a lot of unburnt residues are generally mixed in the biomass ash which is transported out of a biomass power plant, and the residues are in a large flake shape, and the particle size can reach about 2 mm. In addition, biomass ash tends to agglomerate into large particles of about 10mm when wetted, and these large particles generally break down into fine powder when pressed. Unburned residues and aggregate particles can affect the uniformity of the cement-based material after mixing, and adversely affect the mechanical properties and flowability of the cement-based material. In the prior art, no method for crushing and post-treatment of biomass ash is described, so that how to crush aggregated large particles in biomass ash and separate the aggregated large particles from unburnt residues is an urgent problem to be solved.

Disclosure of Invention

The utility model aims to provide a crushing and screening device for biomass ash, which is used for crushing biomass ash aggregation particles and separating unburnt residues at the same time, thereby being beneficial to the use of biomass ash in mining industry and building industry.

The utility model provides a crushing and screening device for biomass ash, which comprises: vibrating device, breaker and support frame. The upper part of the supporting frame is fixedly connected with the crushing device, the lower part of the supporting frame is fixedly connected with the vibrating device and the base, and the bottom of the crushing device is connected with the vibrating device through a connecting rod mechanism and a vibrating spring; the vibration device comprises a vibration device box body and a vibration motor; the crushing device comprises a screen box, a rotating shaft motor, a crushing tooth motor, crushing teeth and a screen; an upper discharge hole and a lower discharge hole are formed in one side of the screen box, and a sealing cover is arranged at the top of the screen box; the support frame comprises a fixed frame, a movable frame, a control switch and a support rotating shaft.

In the vibration device, the vibration device box body and the base are welded and connected into a whole, the vibration motor is arranged on the base, the vibration motor is connected with the screen box through the connecting rod mechanism, and the vibration spring is arranged on the vibration device box body and connected with the screen box.

In the crushing device, a screen is arranged in the middle of a screen box, a rotating shaft and a crushing gear are arranged on the upper portion of the screen, and the rotating shaft and the crushing gear are respectively controlled to operate through a rotating shaft motor and a crushing gear motor: the rotating shaft motor is arranged in the sealing cover, the rotating shaft is connected with the rotating shaft motor, the crushing tooth motor is arranged on the rotating shaft, the crushing tooth motor is connected with and controls the crushing tooth below the crushing tooth motor, and the crushing tooth is used for extruding and crushing the aggregated biomass ash particles. An upper discharge hole is arranged at the end part of the screen, the upper discharge hole is arranged at the upper part of the screen box and is level with the upper surface of the screen, and the gate is positioned at the joint of the upper discharge hole and the screen box; the lower discharge hole is arranged at the bottom of the screen box; the upper discharge port is used for discharging unburned ash and slag, and the lower discharge port is used for discharging biomass ash after sieving. The upper discharge port is provided with a gate which is opened to discharge ash after full crushing and sieving. The upper discharge hole and the lower discharge hole are inclined downwards, so that the materials are conveniently discharged.

The screen cloth is fixed through the draw-in groove that the incasement wall set up, and the screen cloth can set up different apertures, changes as required, also can dismantle and wash, prevents that the stifled hole from influencing the efficiency of sieving.

The support frame is divided into a fixed frame and a movable frame, the fixed frame is connected with the base, and the control switch is arranged on the fixed frame. The fixed frame is connected with the movable frame through a bracket rotating shaft; the movable frame is connected with the sealing cover, and can be opened upwards around the rotating shaft of the bracket, and when materials need to be added, the movable frame is lifted to drive the sealing cover to be opened. The fixing frame is used as a bearing structure of the movable frame, the sealing cover and the crushing device, and the sealing cover is not contacted with the vibrating box so as to avoid the influence of vibration of the crushing device on the stability of the crushing device during working.

According to the crushing and screening device for biomass ash, large particles formed by condensing biomass ash are extruded and crushed into fine particles through the crushing teeth, and unburned ash residues are not crushed; the screen box is driven by the motor to vibrate, so that biomass ash and unburned ash are separated; discharging the separated biomass ash from a lower discharge hole, discharging unburned ash from an upper discharge hole, wherein the upper discharge hole is provided with a gate, and opening the gate for discharging after the biomass ash is fully sieved; the support frame is used for supporting the sealing cover, the separation of the sealing cover and the screen box can reduce the noise during working, and the working stability of the crushing motor can be improved.

The crushing and screening device for biomass ash provided by the utility model has the beneficial effects that:

(1) The device combines two functions of crushing and a vibrating screen, and the crushing device extrudes and crushes the accumulated large-particle biomass ash without crushing unburnt biomass residues;

(2) The small-particle biomass ash and unburnt residues are separated by synchronously screening after crushing, so that the treatment efficiency of the biomass ash is improved;

(3) The sealing cover is separated from the vibrating box, so that the instability of the motor in operation can be reduced, noise is reduced, and accidental injury of workers caused by careless touching of the device can be prevented.

Drawings

FIG. 1 is a schematic diagram of a crushing and screening device for biomass ash according to the present utility model;

in the figure: the vibrating device comprises a vibrating device 1, a crushing device 2, a supporting frame 3, a vibrating motor 4, a connecting rod mechanism 5, a vibrating spring 6, a vibrating device box 7, a base 8, a screen box 9, an upper discharge hole 10, a lower discharge hole 11, a gate 12, a rotating shaft motor 13, a rotating shaft 14, a crushing tooth motor 15, crushing teeth 16, a sealing cover 17, a clamping groove 18, a screen mesh 19, a fixing frame 20, a movable frame 21, a control switch 22 and a support rotating shaft 23.

Detailed Description

In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

As shown in fig. 1, the crushing and screening device for biomass ash provided in this embodiment includes: a vibrating device 1, a crushing device 2 and a supporting frame 3. The upper part of the supporting frame 3 is fixedly connected with the crushing device 2, the lower part of the supporting frame is fixedly connected with the vibrating device 1 and the base 8, and the bottom of the crushing device 2 is connected with the vibrating device 1 through the connecting rod mechanism 5 and the vibrating spring 6; the vibration device 1 comprises a vibration device box 7 and a vibration motor 4; the crushing device 2 comprises a screen box 9, a rotating shaft 14, a rotating shaft motor 13, a crushing tooth motor 15, crushing teeth 16 and a screen 19; an upper discharge hole 10 and a lower discharge hole 11 are formed in one side of the screen box 9, and a sealing cover 17 is arranged at the top of the screen box 9; the support frame 3 comprises a fixed frame 20, a movable frame 21, a control switch 22 and a support rotating shaft 23.

In the above-mentioned vibrating device 1, the vibrating device box 7 is welded with the base 8 as a whole, the vibrating motor 4 is mounted on the base 8, one end of the link mechanism 5 is fixed with the vibrating motor, the other end of the link mechanism 5 is connected with the bottom of the screen box 9, the lower end of the vibrating spring 6 is fixed with the vibrating device box 7, and the upper end of the vibrating spring 6 is connected with the screen box 9.

In the above-mentioned breaker 2, screen cloth 19 is equipped with at the middle part of screen cloth 9, is equipped with pivot and crushing gear in screen cloth 19 upper portion, and pivot and crushing tooth are respectively through pivot motor and crushing tooth motor control its operation: the rotating shaft motor 13 is arranged in the sealing cover 17, the rotating shaft 14 is connected with the rotating shaft motor 13, the three crushing tooth motors 15 are arranged on the rotating shaft 14, the crushing tooth motors 15 are connected with the crushing teeth 16 below, and the crushing teeth 16 are used for extruding and crushing the aggregated biomass ash particles. An upper discharge hole is arranged at the end part of the screen 19, the upper discharge hole is arranged at the upper part of the screen box 9 and is level with the upper surface of the screen, and the gate is positioned at the joint of the upper discharge hole and the screen box; the lower discharge hole 11 is arranged at the bottom of the screen box 9; the upper discharge port is used for discharging unburned ash and slag, and the lower discharge port is used for discharging biomass ash after sieving. The upper discharge port is provided with a gate which is opened for discharging ash after full crushing and sieving. The upper discharge hole 10 and the lower discharge hole 11 are arranged obliquely downwards, so that materials are conveniently discharged.

The screen 19 is fixed through the draw-in groove 18 that the incasement wall set up, and the screen cloth can set up different apertures, changes as required, also can dismantle and wash, prevents that the stifled hole from influencing screening efficiency.

In the support frame 3, a fixed frame 20 is connected with the base 8, a control switch 22 is arranged on the fixed frame 20, and the fixed frame 20 and the movable frame 21 are connected on a support rotating shaft 23. The sealing cover 17 is connected with the movable frame 21, the movable frame 21 can be opened upwards around the bracket rotating shaft 23, and when materials need to be added, the movable frame is lifted to drive the sealing cover 17 to be opened; the fixing frame is used as a bearing structure of the movable frame, the sealing cover and the crushing device, and the sealing cover is not contacted with the vibrating box so as to avoid the influence of vibration of the crushing device on the stability of the crushing device during working.

The crushing and screening device for biomass ash provided by the utility model is characterized in that when in operation, the sealing cover 17 is rotated upwards, biomass ash materials to be screened are added, and then the sealing cover 17 is closed. The crushing teeth 16 are operated at a high speed to crush the aggregated particles of the biomass ash, and the rotating shaft 14 is operated at a low speed to drive the crushing teeth 16 to revolve. The vibrating motor 4 rotates at a high speed, the screen box 9 is vibrated under the combined action of the eccentric shaft connecting rod mechanism 5 and the vibrating spring 6, so that small-particle ash is discharged from the lower discharge port 11 after being screened, the gate 12 is opened after the biomass ash is fully crushed and screened, and residual ash is discharged from the upper discharge port 10.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, as well as communicating between two elements. The above terms are understood to be in the specific meaning of the present utility model according to circumstances, for those of ordinary skill in the art.

Claims (7)

1. A crushing and screening device for biomass ash, characterized by comprising: the vibrating device, the crushing device and the supporting frame; the upper part of the supporting frame is fixedly connected with the crushing device, the lower part of the supporting frame is fixedly connected with the vibrating device and the base, and the bottom of the crushing device is connected with the vibrating device through a connecting rod mechanism and a vibrating spring; the vibration device comprises a vibration device box body and a vibration motor; the crushing device comprises a screen box, a rotating shaft motor, a crushing tooth motor, crushing teeth and a screen; the vibrating motor is connected with the screen box through a connecting rod mechanism, and the vibrating spring is arranged on the box body of the vibrating device and connected with the screen box; the middle part of the screen box is provided with a screen, the upper part of the screen is provided with a rotating shaft and a crushing gear, and the rotating shaft and the crushing gear control the operation of the screen through a rotating shaft motor and a crushing gear motor respectively: an upper discharge hole and a lower discharge hole are formed in one side of the screen box, and a sealing cover is arranged at the top of the screen box; the support frame comprises a fixed frame, a movable frame, a control switch and a support rotating shaft.

2. The biomass ash crushing and screening device according to claim 1, characterized in that: the vibrating device box body and the base are welded and connected into a whole, and the vibrating motor is arranged on the base.

3. The biomass ash crushing and screening device according to claim 1, characterized in that: the rotating shaft motor is arranged in the sealing cover, the rotating shaft is connected with the rotating shaft motor, the crushing tooth motor is arranged on the rotating shaft, the crushing tooth motor is connected with and controls the crushing tooth below the crushing tooth motor, and the crushing tooth is used for extruding and crushing the aggregated biomass ash particles.

4. The biomass ash crushing and screening device according to claim 1, characterized in that: an upper discharge hole is arranged at the end part of the screen, the upper discharge hole is arranged at the upper part of the screen box and is level with the upper surface of the screen, and the gate is positioned at the joint of the upper discharge hole and the screen box; the lower discharge hole is arranged at the bottom of the screen box; the upper discharge port is used for discharging unburned ash and slag, and the lower discharge port is used for discharging biomass ash after sieving.

5. The biomass ash crushing and screening device according to claim 4, characterized in that: the upper discharge hole and the lower discharge hole are inclined downwards, so that the materials are conveniently discharged.

6. The biomass ash crushing and screening device according to claim 1, characterized in that: the screen cloth is fixed through the draw-in groove that the incasement wall set up, and the screen cloth includes the screen cloth of constituteing by the sieve mesh of different apertures, changes according to the operation requirement, convenient to detach or washs.

7. The biomass ash crushing and screening device according to claim 1, characterized in that: the fixed frame is connected with the base, and the control switch is arranged on the fixed frame; a bracket rotating shaft is arranged between the fixed frame and the movable frame; the movable frame is connected with the sealing cover, and the movable frame drives the sealing cover to be opened upwards around the rotating shaft of the bracket.