阅读说明：本技术 一种用于制备替代燃料的增密器 (Densifier for preparing alternative fuel ) 是由 王萍萍 钱丽倩 于 2019-10-16 设计创作，主要内容包括：本发明公开一种用于制备替代燃料的增密器,包括设有重力翻板的加料装置、与加料装置连接的压缩筒体、用于施加压力的螺旋压缩装置,压缩螺旋装置设有挤压机、下盖板、固设于下盖板的打孔针、设有滑托及旋转轴的上盖板,上盖板设有与打孔针相适配的孔洞,旋转轴与滑托连接且贯穿上盖板,上盖板可绕旋转轴沿上盖板直径旋转,压缩筒体设有与滑托相适配的滑槽,制备出的替代燃料粒径均匀,燃烧充分,避免产生粉尘及不完全燃烧污染物。(The invention discloses a densifier for preparing alternative fuel, which comprises a feeding device provided with a gravity turning plate, a compression cylinder body connected with the feeding device and a spiral compression device for applying pressure, wherein the compression screw device is provided with an extruder, a lower cover plate, a punching needle fixedly arranged on the lower cover plate and an upper cover plate provided with a sliding support and a rotating shaft, the upper cover plate is provided with a hole matched with the punching needle, the rotating shaft is connected with the sliding support and penetrates through the upper cover plate, the upper cover plate can rotate around the rotating shaft along the diameter of the upper cover plate, the compression cylinder body is provided with a sliding chute matched with the sliding support, the prepared alternative fuel has uniform particle size and sufficient combustion, and dust and incomplete combustion pollutants are avoided.)

1. A densifier for preparing alternative fuel is characterized by comprising a feeding device (1) provided with a gravity turning plate (11), a compression cylinder body (2) connected with the feeding device (1), and a spiral compression device (3) for applying pressure, wherein the compression cylinder body (3) is provided with an extruder (31), a lower cover plate (32), perforating needles (321) fixedly arranged on the lower cover plate (32), and an upper cover plate (33) provided with a sliding support (331) and a rotating shaft (332), the upper cover plate (33) is provided with holes (333) matched with the perforating needles (321), the rotating shaft (332) is connected with the sliding support (331) and penetrates through the upper cover plate (33), the upper cover plate (33) can rotate around the rotating shaft (332) along the diameter of the upper cover plate (33), the compression cylinder body (2) is provided with a sliding chute (21) matched with the sliding support (331), when the extruding machine (31) applies force to the lower cover plate (32), the perforating needles (321) penetrate through the upper cover plate (33), the upper cover plate (33) slides along the sliding groove (21) and forms a closed space with the gravity turning plate (11) in the compression cylinder body (2) to extrude raw materials to form alternative fuel, when the extruding machine (31) pulls the lower cover plate (32) to separate from the compression cylinder body (2), the upper cover plate (33) slides along the sliding groove (321) to separate from the compression cylinder body (2), and the alternative fuel slides along the upper cover plate (33) to a next conveying device.

2. A densifier for producing alternative fuels according to claim 1, characterized in that said perforating needle (321) is provided with an external thread (322), said hole (333) being provided with an internal thread (323) on the wall adapted to said external thread (322).

3. A densifier for the production of alternative fuels according to claim 1, characterized in that auxiliary material adding means (4) are connected to said compression cylinder (2).

4. A densifier for the production of alternative fuels, according to claim 1, characterized in that said chute (21) is provided with a stop (5) for stopping said slide holder (331).

5. A densifier for preparing alternative fuel according to claim 1, characterized in that said upper cover plate (33) is provided with a gravity block (334) facilitating the tipping of the upper cover plate (33).

6. The densifier for preparing alternative fuel according to claim 1, further comprising a storage bin (6) connected to the charging device (1) and provided with a discharge valve (61), wherein the discharge valve (61) is connected to a PLC control system (62), the discharge valve (61) is opened or closed at regular time, the charging device (1) is fed intermittently, and when the gravity flap (11) bears a preset weight, the gravity flap (11) tips.

7. A densifier for producing alternative fuels according to claim 1, characterized in that said extruder (31) is connected to a reducer (7).

Technical Field

The invention relates to the field of alternative fuel preparation, in particular to a densifier for preparing alternative fuel.

Background

A small amount of renewable resources in common industrial solid waste are separated out and processed to produce alternative fuels (SRF), the process comprises the processes of crushing, vibrating bounce screening, winnowing, magnetic separation, eddy current, optical separation and the like, and then the remaining renewable resources with higher calorific value are crushed to a certain particle size and are sent to a cement kiln to be fully utilized as fuels, so that the consumption of natural resources is reduced, meanwhile, the coal consumption of the cement kiln can be greatly saved, the cost is reduced, and the effect is enhanced.

On one hand, in order to save space and on the other hand avoid dust generation of alternative fuels, the pretreated raw materials are densified before being sent to a cement kiln, so that the pretreated raw materials can generate the maximum calorific value in unit volume, however, the prior art extruders only can singly perform densification extrusion treatment on the raw materials to form the raw materials into solid particles, but the solid particles are easy to generate incomplete combustion during combustion, so that incomplete combustion pollutants are increased.

Disclosure of Invention

In order to solve the problems, the invention provides the densifier for preparing the alternative fuel, the prepared alternative fuel has uniform particle size and sufficient combustion, and dust and incomplete combustion pollutants are avoided.

The technical scheme for solving the problems is that the invention provides a densifier for preparing alternative fuel, which comprises a feeding device provided with a gravity turning plate, a compression cylinder connected with the feeding device and a spiral compression device used for applying pressure, wherein the compression cylinder is provided with an extruder, a lower cover plate, a perforating needle fixedly arranged on the lower cover plate and an upper cover plate provided with a sliding support and a rotating shaft, the upper cover plate is provided with a hole matched with the perforating needle, the rotating shaft is connected with the sliding support and penetrates through the upper cover plate, the upper cover plate can rotate around the rotating shaft along the diameter of the upper cover plate, the compression cylinder is provided with a chute matched with the sliding support, when the extruder applies force to the lower cover plate, the perforating needle penetrates through the upper cover plate, the upper cover plate slides along the chute and forms a closed space in the compression cylinder with the gravity turning plate to extrude raw materials to form the alternative fuel, when the extruder pulls the lower cover plate to separate from the compression cylinder body, the upper cover plate slides along the sliding groove to separate from the compression cylinder body, and the substitute fuel slides along the upper cover plate to the next conveying device.

Preferably, the perforating needle is provided with an external thread, and the wall of the hole is provided with an internal thread matched with the external thread.

Preferably, the compression cylinder is connected with an auxiliary material adding device.

Preferably, the sliding groove is provided with a limiting member for stopping the sliding support.

Preferably, the upper cover plate is provided with a gravity block for facilitating tipping of the upper cover plate.

Preferably, the gravity turnover type automatic feeding device further comprises a storage bin which is connected with the feeding device and provided with a discharge valve, the discharge valve is connected with a PLC control system, the discharge valve is opened or closed at regular time, feeding is intermittently performed on the feeding device, and when the gravity turnover plate bears the preset weight, the gravity turnover plate is tipped. .

Preferably, the extruder is connected with a speed reducer.

The principle of the scheme is that the lower cover plate and the punching needle on the lower cover plate move upwards towards the upper cover plate by driving the extruder to apply pressure to the lower cover plate through the speed reducer, the upper cover plate is provided with a threaded hole, the punching needle is provided with an external thread, the punching needle rotates forwards along the threaded hole, the upper cover plate cannot rotate horizontally under the matching of the chute and the sliding support, in a space formed by the upper cover plate, the compression cylinder and the gravity turning plate, along with the continuous precession of the punching needle, the input raw material forms a hole due to the obstruction of the punching needle, the lower cover plate is further pressed until the bottom of the punching needle completely penetrates through the upper cover plate, the lower cover plate is attached to the upper cover plate, at the moment, the extruder continues to move upwards until the raw material is compressed into alternative fuel with preset density, during discharging, the force applied to the upper cover plate by the extruder is cancelled, the punching needle, utilize the sliding support to follow the spout downstream, until the sliding support spacing in the locating part of spout, at this moment, the distance of lower cover plate and compression barrel bottom terminal surface is greater than the thickness of alternative fuel, through the gravity piece that the upper cover plate set up again, through exerting pressure to upper cover plate one end for the upper cover plate rotates along the rotation axis to tumbling, and alternative fuel is transported out, and this densifier can dock the conveyer belt, transports the ejection of compact with fuel.

The scheme has the following beneficial effects:

1. the gravity turnover plate only feeds materials but does not discharge materials, a closed space is formed by the gravity turnover plate, the upper cover plate and the compression cylinder, the extruder presses and compresses raw materials, and the punching needles arranged on the lower cover plate punch the raw materials while compressing the raw materials, so that the prepared alternative fuel is densified and has holes;

2. the rotating shaft is matched with the gravity block, so that the upper cover plate can be conveniently tilted to discharge when the substitute fuel is separated from the compression cylinder, and the upper cover plate can not be tilted in the horizontal direction and raw materials can not fall between the upper cover plate and the lower cover plate through the butt joint of the perforating needle and the threads of the upper cover plate during compression;

3. in order to enable the weight of each prepared alternative fuel to be equivalent, the combustion value can be calculated, a discharging valve controlled by a PLC is arranged, the discharging valve is opened in a timed and quantitative mode through the PLC, the weight of raw materials entering a feeding device is enabled to be equivalent, and then the raw materials are conveyed to an upper cover plate returned to a compression cylinder through a gravity turning plate.

Drawings

Fig. 1 is a schematic structural view of a densifier of the present embodiment;

FIG. 2 is a schematic view of the compression cylinder and the screw compression device of this embodiment;

FIG. 3 is a schematic view of a screw compressor according to the present embodiment;

FIG. 4 is a top view of the upper plate of the present embodiment;

fig. 5 is a bottom view of the upper cover plate of the present embodiment.

In the figure: 11. a gravity turning plate; 1. a feeding device; 2. compressing the cylinder; 3. a screw compression device; 31. an extruder; 32. a lower cover plate; 321. a perforating needle; 331. sliding and supporting; 332. a rotating shaft; 33. an upper cover plate; 333. a hole; 21. a chute; (ii) a 322. An external thread; 323. an internal thread; 4. an auxiliary material adding device; 5. a limiting member; 334. a gravity block; 61. a discharge valve; 6. a storage bin; 62. a PLC control system; 7. and a speed reducer.

Detailed Description

In order to facilitate understanding of the present invention, the technical solutions of the present invention are further described below with reference to the following detailed description and the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1, a densifier for preparing alternative fuel comprises a feeding device 1 provided with a gravity turning plate 11, a compression cylinder 2 connected with the feeding device 1, and a spiral compression device 3 for applying pressure, wherein the compression screw device is provided with an extruder 31, a lower cover plate 32, a perforating needle 321 fixedly arranged on the lower cover plate 32, and an upper cover plate 33 provided with a sliding support 331 and a rotating shaft 332, as shown in fig. 4, the upper cover plate 33 is provided with a hole 333 matched with the perforating needle 321, the rotating shaft 332 is connected with the sliding support 331 and penetrates through the upper cover plate 33, as shown in fig. 5, the upper cover plate 33 can rotate around the rotating shaft 332 along the diameter of the upper cover plate 33, the compression cylinder 2 is provided with a sliding chute 21 matched with the sliding support 331, when the extruder 31 applies force to the lower cover plate 32, the perforating needle 321 penetrates through the upper cover plate 33, the upper cover plate 33 slides along the sliding chute 21 and forms a closed space with the gravity turning plate 11 in the compression cylinder 2 to extrude raw materials to form an alternative As shown in fig. 2, when the extruder 31 pulls the lower cover plate 32 to separate from the compression cylinder 2, the upper cover plate 33 slides along the sliding groove 21 to separate from the compression cylinder 2, the substitute fuel slides along the upper cover plate 33 to the next transportation device, the extruder 31 is driven by the reducer 7 to apply pressure to the lower cover plate 32, so that the lower cover plate 32 moves upward toward the upper cover plate 33 together with the perforating needle 321 on the lower cover plate 32, because the upper cover plate 33 is provided with a threaded hole, the perforating needle 321 is provided with an external thread 322, the perforating needle 321 rotationally advances along the threaded hole, the upper cover plate 33 does not rotate in the horizontal direction under the matching of the sliding groove 21 and the sliding support 331, in the space formed by the upper cover plate 33, the compression cylinder 2 and the gravity turning plate 11, as the perforating needle 321 is continuously screwed in, the input raw material forms a hole 333 due to the obstruction of the perforating needle 321, the lower cover plate 32 is, the lower cover plate 32 is attached to the upper cover plate 33, at this time, the extruder 31 continues to move upwards until the raw material is compressed into the alternative fuel with the preset density, when discharging, the extruder 31 is used to cancel the force applied to the upper cover plate 33, at the same time, the perforating needle 321 is screwed out, the upper cover plate 33 is released, the upper cover plate 33 uses the sliding support 331 to move downwards along the sliding chute 21 due to bearing the alternative fuel until the sliding support 331 is limited at the limiting part 5 of the sliding chute 21, at this time, the distance between the lower cover plate 32 and the bottom end face of the compression cylinder 2 is larger than the thickness of the alternative fuel, the gravity block 334 arranged on the upper cover plate 33 is used to apply pressure to one end of the upper cover plate 33, so that the upper cover plate 33 rotates along the rotating shaft 332 to tip over, the alternative fuel is transported out, the densifier can butt-joint the conveying belt to transport the fuel for discharging, the gravity flap 11 can be a commercially available, the transportation device may be a conveyor belt, the sliding support 331 may be a sliding rod connected to two ends of the upper cover plate 33, and in this embodiment, one feeding device 1 may correspond to a plurality of compression cylinders 2 and screw compression devices 3.

As shown in fig. 3, the perforating needle 321 is provided with an external thread 322, the wall of the hole 333 is provided with an internal thread 323 matched with the external thread 322, during compression, the perforating needle 321 is in butt joint with the upper cover plate 33 through threads, so that the upper cover plate 33 cannot be tilted in the horizontal direction, raw materials cannot fall between the upper cover plate 33 and the lower cover plate 32, direct perforating of the fuel by applying force through spiral advancing is more labor-saving, and perforating is more effective for materials difficult to perforate, such as cloth fragments and the like.

In order to make the alternative fuel that makes more easily burn, compression barrel 2 is connected with auxiliary material and adds device 4, and the even mixing is in being the raw materials of compression, and the auxiliary material in this scheme can be for easy sublimed harmless organic matter, like iodine, phosphorus pentoxide, aluminium chloride, and these substances are sublimed into gas when just getting into the furnace body promptly, form fine and close hole 333 in the inside of alternative fuel to it is more abundant in order to make the alternative fuel burn.

The sliding groove 21 is provided with a limiting member 5 for stopping the sliding holder 331, so that the upper cover plate 33 is prevented from falling off after the sliding holder 331 is separated from the sliding groove 21, and next densification work cannot be performed.

In order to separate the densified alternative fuel from the upper cover plate 33, the upper cover plate 33 is provided with a weight 334 for tilting the upper cover plate 33, and when the upper cover plate 33 slides out of the compression cylinder 2, the weight 334 tilts the upper cover plate 33 due to a distance between the upper cover plate 33 and the compression cylinder 2, and the alternative fuel is discharged.

The gravity turnover type fuel feeding device is characterized by further comprising a storage bin 6 which is connected with the feeding device 1 and is provided with a discharging valve 61, the discharging valve 61 is connected with a PLC control system 62, the discharging valve 61 is opened or closed at regular time, intermittent feeding is performed on the feeding device 1, when the gravity turnover plate 11 bears preset weight, the gravity turnover plate 11 is overturned, in order to enable the weight of each prepared alternative fuel to be equal, a combustion value can be calculated, the discharging valve 61 controlled by the PLC is arranged, through PLC control, the discharging valve 61 is opened at regular time and in a quantitative mode, the weight of raw materials entering the feeding device 1 is equal, then the raw materials are conveyed to the upper cover plate 33 returning to the compression barrel 2 through the gravity turnover plate 11, and the overturning range of the weight of the gravity turnover plate 11 to be achieved is determined through the weight and the setting position of.

The extruder 31 is connected with the speed reducer 7, and the speed reducer 7 plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or the actuating mechanism, so that greater power is provided for the extruder 31.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.