CN112709992A

CN112709992A - Novel direct-pushing type bridge cracking device suitable for garbage incinerator

Info

Publication number: CN112709992A
Application number: CN202011583060.2A
Authority: CN
Inventors: 龙吉生; 郑宇�; 於志华; 傅崇振; 陈宇翔; 黄浩哲; 苏文浩; 朱海洋; 刘超; 沈咏烈
Original assignee: Shanghai SUS Environment Co Ltd
Current assignee: Shanghai SUS Environment Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-27
Anticipated expiration: 2040-12-28
Also published as: CN112709992B

Abstract

The invention relates to a novel direct-push type bridge cracking device suitable for a garbage incinerator, which consists of a wedge-shaped block, a gear rack driving box, a reduction box and a motor; the motor, the reduction gearbox and the gear rack driving box are sequentially combined by bolts and nuts and welded with the wedge-shaped block, the bridging cracking device driving structure is arranged outside the hopper and located right above a throat of a shell of the feeding hopper, and the executing mechanism moves in the vertical direction in the feeding hopper. The invention adopts the motor to input power, and different rack strokes enable the device to have the functions of bridge cracking and feed channel sealing; the device can be modularly designed, the hoppers with different widths can be increased or decreased through the modules, and each module can be independently operated and overhauled, so that the device has good compatibility.

Description

Novel direct-pushing type bridge cracking device suitable for garbage incinerator

Technical Field

The invention relates to the field of incineration, in particular to a bridging breaking device applied to a feeding system of a garbage incinerator.

Background

The waste incineration method has become one of the mainstream methods for municipal waste treatment because of its advantages of significant reduction effect, land saving, elimination of various pathogens, harmless treatment of toxic and harmful waste, and the like.

The incinerator feeding system of one of the garbage incinerator equipment subsystems is characterized in that a main garbage feeding hopper is designed into a hopper body with a large upper part and a small lower part, a loose feeding and compacting process is realized, and when materials enter the throat part of the hopper body, the bridging phenomenon of the garbage is easily caused. Bridging can lead to the blockage of the feed hopper, and affect the delivery of the feed hopper of the incinerator and the subsequent combustion of the incinerator.

The existing common schemes for treating garbage bridges comprise a horizontal baffle method and a swinging baffle method. The horizontal baffle method drives the baffle to translate in the horizontal direction through a hydraulic cylinder arranged at an inlet at the upper part of the hopper. According to the scheme, the problem that the garbage bridge in the feeding hopper is cracked is solved, meanwhile, partial hidden danger is remained, the bridge cracking baffle is positioned in the hopper to occupy the space of a garbage falling channel when the bridge cracking baffle is not started, and the probability of bridging is increased; the bridge cracking device is characterized in that a driving rod can be directly contacted with garbage in the driving process when in movement, so that the service life of equipment is damaged; the garbage can collide with the bridging cracking device and scratch the bridging cracking device in the feeding process, so that equipment failure can be caused.

Although the swing type bridge cracking device can be accommodated on the back surface of the feed hopper, the situation that the swing type bridge cracking device is in direct contact with fed garbage is reduced, and the swing type bridge cracking device does not occupy a descending channel of the garbage, a driving part of the swing type bridge cracking device can enter the incinerator, a flexible connecting device is required, and a panel of the independent bridge cracking device is arranged, so that the operation and maintenance difficulty and the cost are increased.

Disclosure of Invention

The invention aims to improve the vacancy of the prior art and provides a direct-push type bridging breaking device applied to a garbage incinerator feed hopper. The specific technical scheme is as follows:

the utility model provides a novel straight pushing-type bridge cracking device suitable for waste incinerator, straight pushing-type bridge cracking device constitute by wedge, rack and pinion drive case, reducing gear box, motor.

The gear rack driving box is an assembly gear rack driving box; the box body base of the driving box is fixed at the horizontal plane position at the upper part of the throat of the feeding hopper body in a bolt connection mode; openings are reserved on the upper surface, the lower surface and the four sides of the box body and are used for the gear shaft and the rack to pass through, and a bearing and a sealing device are arranged at the openings; the gear is fixed on the gear shaft in a key connection mode and is meshed with the rack; a dovetail guide rail welded with the bottom surface is arranged in the box body and used for guiding the rack to move vertically; the outer side of the box body is provided with a platform which is connected with the box body in a welding mode.

The wedge-shaped block is formed by welding steel plates, and the upper part of the wedge-shaped block is connected with the rack in a welding mode; the two vertical edges of the wedge-shaped block are respectively separated from the hopper body of the hopper by 5mm, and the width of the wedge-shaped block can be adjusted and designed according to requirements.

The reduction gearbox is arranged between the gear rack driving box and the motor and fixed on the platform in a bolt connection mode, the high-speed section is connected with an output shaft of the motor through a coupler, and the low-speed section enters the gear rack driving box through a bearing and a sealing device and plays a role as a gear shaft.

The motor is fixed on the platform in a bolt connection mode, and the output end of the motor is connected with the input end of the reduction gearbox through the coupler.

The invention has the beneficial effects that:

the straight-pushing type bridge cracking device can be accommodated at the upper part of the feed hopper, so that the condition of direct contact with fed garbage is avoided, a space is reserved for the descending of materials, and the service life of equipment is prolonged; the downward compression of the garbage by the wedge-shaped block is more direct when entering the chute, and the bridge breaking effect is better; the gear rack transmission effect is good, and the maintenance of the motor is simpler than that of a hydraulic cylinder and the manufacturing cost is low; the bridge breaker still has the effect of closing the feed channel; the device can be modularly designed, the hoppers with different widths can be increased or decreased through the modules, and each module can be independently operated and overhauled, so that the equipment compatibility is good.

Drawings

FIG. 1: the position of the broken bridge structure is shown schematically.

FIG. 2: and (5) initial position view of the broken bridge structure.

FIG. 3: and (5) a view of the working position of the broken bridge structure.

FIG. 4: and (4) a bridge breaking structure closing position view.

FIG. 5: gear rack meshing schematic view.

In the figure: 01-a gear rack driving box, 02-a wedge block, 03-a reduction box, 04-a motor and 05-a feed hopper body.

In the figure: 101-gear shaft, 102-rack, 103-dovetail guide rail, 104-shell.

In the figure: 201-bearing seal, 202-fixed platform, 203-coupling.

Detailed description of the invention

As shown in fig. 1, the position of the broken bridge structure is schematically shown. The wedge 02 is now in the initial position. 01, a gear rack driving box is fixedly connected to the upper part of a horizontal plate of a hopper body of the 05 feeding hopper through bolts and nuts; the 101 gear shaft is fixed on the 104 shell in a bearing mode, the 103 dovetail guide rail is fixed on the 104 shell in a welding mode, and the 102 rack is meshed with the 101 gear shaft and is clamped in the 103 dovetail guide rail.

As shown in fig. 2, the initial position of the bridge breaking structure is shown, and the 02 wedge-shaped blocks are in the initial position. The 03 reduction gearbox and the 04 motor are fixed on the 202 fixed platform in a bolt-nut connection mode, the 04 motor is connected with the 03 reduction gearbox through a 203 coupler, and the 101 output wheel shaft serving as the 03 reduction gearbox output end penetrates through a 201 bearing to be sealed and enters a 104 shell. The 02 wedge-shaped block is positioned at the right-angle cavity of the 05 feed hopper shell, does not influence the descending channel of the material, and reduces the contact chance with the material.

As shown in fig. 3, the broken bridge structure is in the working position view, and the 02 wedge-shaped blocks are in the working position. When bridging occurs in the descending process of materials, a motor 04 is started, the motor is connected with the input end of a reduction gearbox 03 through a coupler 203, a gear shaft 101 slowly rotates at a constant speed after the speed reduction effect is performed, a wedge-shaped block 02 vertically moves downwards along with a rack 102, the materials are compressed, the inclined surface of the wedge-shaped block 02 is beneficial to material dispersion, the bridging state is broken, and the materials smoothly enter the chute.

As shown in fig. 4, the bridge-breaking structure is shown in a closed position, wherein the 02 wedge-shaped blocks are in a closed position. When the incinerator is overhauled or stops running, the 04 motor is started, the 02 wedge-shaped block is driven to downwards run to the throat of the 05 feed hopper shell and occupy the section of the throat through the 03 reduction gearbox and the 01 gear rack driving box, the feeding channel is sealed, and the garbage bin is isolated from the incineration chamber.

As shown in fig. 5, a gear and rack meshing schematic view is shown, a gear is fixed on a rotating shaft in a key connection mode to form a 101 gear shaft, a 102 gear rack is meshed with the gear shaft and is clamped into a 103 dovetail guide rail, and the 103 dovetail guide rail plays a role in restraint, so that the final output direction of the bridging breaking device is ensured to be vertical and downward.

The novel direct-pushing type bridge cracking device is characterized in that a gear and rack drive box 01 and a wedge block 02 form an actuating mechanism, a reduction gearbox 03 and a motor 04 form a driving mechanism, and the actuating mechanism and the driving mechanism form the novel direct-pushing type bridge cracking device applicable to the garbage incinerator.

The device can be arranged in a modularized mode, has independent operation capacity, and can close the feeding channel when the device is operated to a closed position.

Claims

1. A novel direct-push type bridge cracking device suitable for a garbage incinerator is characterized by comprising wedge-shaped blocks, a gear rack driving box, a reduction box and a motor; the motor, the reduction gearbox and the gear rack driving box are sequentially combined by bolts and nuts and welded with the wedge-shaped block, the bridging cracking device driving structure is arranged outside the hopper and located right above a throat of a shell of the feeding hopper, and the executing mechanism moves in the vertical direction in the feeding hopper.

2. The novel direct-push type bridge cracking device for garbage incinerators as claimed in claim 1, wherein the rack and pinion drive box is a combined rack and pinion drive box; the box body base of the driving box is fixed at the horizontal plane position at the upper part of the throat of the feeding hopper body in a bolt connection mode; openings are reserved on the upper surface, the lower surface and the four sides of the box body and are used for the gear shaft and the rack to pass through, and a bearing and a sealing device are arranged at the openings; the gear is fixed on the gear shaft in a key connection mode and is meshed with the rack; a dovetail guide rail welded with the bottom surface is arranged in the box body and used for guiding the rack to move vertically; the outer side of the box body is provided with a platform which is connected with the box body in a welding mode.

3. The novel direct-pushing type bridge cracking device for the garbage incinerator according to claim 1, wherein the wedge-shaped blocks are formed by welding steel plates, and the upper portions of the wedge-shaped blocks are connected with the racks in a welded mode; two vertical edges of the wedge-shaped block are respectively spaced from the hopper body of the hopper by 5mm, and the width of the wedge-shaped block is adjusted according to requirements.

4. The novel direct-pushing type bridge cracking device for garbage incinerators as claimed in claim 1, wherein the reduction box is disposed between the rack and pinion drive box and the motor and fixed on the platform by means of bolts, the high-speed section is connected with the output shaft of the motor through the coupling, and the low-speed section enters the rack and pinion drive box through the bearing and the sealing device and functions as a gear shaft.

5. The novel direct-push type bridge cracking device for garbage incinerators as claimed in claim 1, wherein the motor is fixed on the platform by means of bolts, and the output end of the motor is connected with the input end of the reduction gearbox through a coupling.

6. The novel direct-pushing type bridge cracking device for the garbage incinerator according to claim 1, wherein the driving mechanism of the rack and pinion transmission is integrally arranged outside the feed hopper shell, does not occupy a feeding channel, and does not enter the feed hopper.