CN218012991U

CN218012991U - Dry-method sand making device for resource utilization of construction waste

Info

Publication number: CN218012991U
Application number: CN202221792743.3U
Authority: CN
Inventors: 聂海波; 方渌祥; 吴建伟; 叶俊; 史林果
Original assignee: Zhejiang Tianzao Environmental Protection Technology Co ltd
Current assignee: Zhejiang Tianzao Environmental Protection Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-13
Anticipated expiration: 2032-07-13

Abstract

The utility model relates to the technical field of sand making equipment, in particular to a dry sand making device for resource utilization of building garbage, which comprises a motor, a crushing mechanism and a dust falling mechanism; the crushing mechanism comprises a feeding bin, a first crushing roller, a second crushing roller and a discharging bin; the feeding bin is arranged on the upper side of the discharging bin and is communicated with the discharging bin; the left end of the first crushing roller is connected with the output end of the motor through a transmission belt; two crushing rollers are horizontally arranged; the left end of the first crushing roller is meshed with the left end of the second crushing roller through a gear; the dust settling mechanism comprises a dust settling barrel with an upper end opening and a lower end being closed; the dust falling cylinder is communicated with the discharging bin; a ventilation device is arranged at the communication part of the dust falling cylinder and the discharge bin; when the ventilation device works, the gas flows from the discharge bin to the dust falling cylinder; be equipped with multistage dust screen in the dust fall section of thick bamboo, the mesh number of dust screen increases in proper order according to the gas flow direction, through the utility model discloses can realize improving the operational environment of breaker.

Description

Dry-method sand making device for resource utilization of construction waste

Technical Field

The utility model relates to a system sand equipment technical field, concrete field is a building rubbish utilization dry process system sand device.

Background

The resource treatment and utilization of the construction waste can not only solve the environmental problem caused by the construction waste, but also save a large amount of natural aggregate, and can relieve the contradiction between the high-speed development of economy and the increasingly tense natural resources. The construction waste is used as solid waste, the environmental pollution is caused by random throwing and dumping, precious land resources are occupied by landfill, and the construction waste sand making is a new application of machine-made sand preparation. Building rubbish system sand in-process, the breaker is indispensable equipment, smash building rubbish to required size in advance through the rubbing crusher, in order to make things convenient for the back process processing, the breaker of current building rubbish system sand equipment mostly pursues energy-conserving high-efficient, and the dust that produces when the broken building rubbish of breaker does not have too much concern, the dust that the breaker during operation produced not only can cause secondary pollution for the environment, influence field work personnel's health, still can make other equipment that building system sand was used be in the dust, influence the normal operating of equipment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a building rubbish utilization dry process system sand device, it can realize improving the operational environment of breaker.

In order to achieve the above object, the utility model provides a following technical scheme: a dry-method sand making device for resource utilization of construction waste comprises a motor, a crushing mechanism and a dust falling mechanism;

the crushing mechanism comprises a feeding bin, a first crushing roller, a second crushing roller and a discharging bin; the feeding bin is arranged on the upper side of the discharging bin and is communicated with the discharging bin; the left end of the first crushing roller is connected with the output end of the motor through a transmission belt; the first crushing roller and the second crushing roller are horizontally arranged at the communication position of the feeding bin and the discharging bin; the left end of the first crushing roller is meshed with the left end of the second crushing roller through a gear;

the dust settling mechanism comprises a dust settling barrel with an opening at the upper end and a closed lower end; the dust falling cylinder is communicated with the discharging bin; a ventilation device is arranged at the communication part of the dust falling cylinder and the discharge bin; when the ventilation device works, the gas flows from the discharge bin to the dust falling cylinder;

the dust falling cylinder is internally provided with a multi-stage dust screen, the inner diameter of the dust screen is the same as that of the dust falling cylinder, and the mesh number of the dust screen is sequentially increased according to the gas flowing direction.

Preferably, the ventilation device comprises fan blades, a rotating shaft and a driving wheel; the fan blades are arranged at the communication part of the dust falling barrel and the discharge bin; the driving wheel is arranged on the left side of the discharging bin; the rotating shaft is arranged in the discharging bin in a penetrating manner, one end of the rotating shaft is fixedly connected with the axis of the fan blade, and the other end of the rotating shaft is fixedly connected with the axis of the driving wheel; the length direction of the rotating shaft is the same as that of the first crushing roller; the driving wheel is connected with the second crushing roller through a belt in a transmission way.

Preferably, the dust falling cylinder is vertically installed, and the gas flow direction in the dust falling cylinder is from bottom to top.

Preferably, the dust-proof nets arranged in the dust falling cylinder in sequence along the airflow direction are three.

Preferably, the mesh number of the dust screen is 2000 meshes, 2500 meshes and 3000 meshes respectively according to the airflow direction.

Preferably, the dust falling mechanism further comprises a vibrator; the vibrator is fixedly arranged on the periphery of the upper part of the dust falling cylinder.

Preferably, the device further comprises a conveying belt; the conveying belt is arranged on the lower side of the discharging bin; the conveying direction of the conveying belt is perpendicular to the length direction of the first crushing roller.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through arranging the rotating shaft in the discharging bin, one end of the rotating shaft is connected with the fan blades, the other end of the rotating shaft and the left end of the second crushing roller are in transmission through a belt, the motor can drive the crushing rollers to crush the construction waste and can also drive the fan blades to rotate, dust in the discharging bin is blown into the dust falling barrel, the driving force of the motor is fully utilized, the motor does not need to be additionally arranged on the fan blades, the investment of equipment is reduced, and energy conservation and emission reduction are also realized;

2. through setting up on the right side of going out the feed bin and falling a dirt section of thick bamboo, be equipped with multistage dust screen in the dust fall section of thick bamboo, multistage dust screen's mesh number is respectively different, and the dust blows to falling a dirt section of thick bamboo through the flabellum in back, through filtering layer upon layer, reaches the purpose of final dust fall, alleviates the dust of the broken production of building rubbish and to the secondary pollution of environment, has improved the operational environment of building rubbish system sand.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a right side schematic view of the dry sand making device of the present invention;

FIG. 3 is a schematic view of the left side structure of the dry sand making device of the present invention;

fig. 4 is the structure schematic diagram of the dust settling cylinder of the utility model.

In the figure: 1, a crushing mechanism, 101, a feeding bin, 102, a first crushing roller, 103, a second crushing roller and 104, wherein the feeding bin is connected with the crushing mechanism;

2, a dust falling mechanism, 201, a dust falling cylinder, 202 fan blades, 203 rotating shafts, 204 driving wheels, 205 connecting pipes, 2011 a first-level dust screen, 2012 a second-level dust screen and 2013 a third-level dust screen;

and 3, conveying the belt.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

The first embodiment is as follows: please refer to fig. 1-4, which illustrate a dry sand making device for recycling construction waste, comprising a crushing mechanism 1, a dust settling mechanism 2 and a conveyor belt 3; the crushing mechanism 1 comprises a motor (not shown in the figure), a feeding bin 101, a first crushing roller 102, a second crushing roller 103 and a discharging bin 104; the feeding bin 101 is arranged at the upper part of the crushing mechanism 1; the discharging bin 104 is arranged at the lower part of the crushing mechanism 1; the feeding bin 101 is communicated with the discharging bin 104; the first crushing roller 102 and the second crushing roller 103 are arranged in the middle of the crushing mechanism 1 and are positioned at the communication part between the feeding bin 101 and the discharging bin 104; the horizontal height of the first crushing roller 102 is the same as the horizontal height of the second crushing roller 103; the left end of the first crushing roller 102 and the left end of the second crushing roller 103 are engaged by a gear; the motor is fixedly arranged at the rear side of the first crushing roller 102; a belt is arranged between the left end of the first crushing roller 102 and the output end of the motor, the motor works to drive the first crushing roller 102 to rotate, and the first crushing roller 102 drives the second crushing roller 103 to synchronously rotate.

The conveying belt 3 is driven by external force, the conveying belt 3 is installed on the lower side of the discharging bin 104, the conveying direction of the conveying belt 3 is perpendicular to the length direction of the first crushing roller 102, and the conveying belt 3 is used for conveying the construction waste crushed sand after being processed by the crushing mechanism 1 to next sand making equipment for further processing.

The dust falling mechanism 2 comprises a dust falling cylinder 201, fan blades 202, a rotating shaft 203 and a driving wheel 204; the rotating shaft 203 is arranged in the discharging bin 104 in a penetrating manner, two ends of the rotating shaft 203 extend out of the discharging bin 104, and the length direction of the rotating shaft 203 is parallel to the length direction of the first crushing roller 102; the left end of the rotating shaft 203 is fixedly connected with the axle center of the driving wheel 204, and the right end of the rotating shaft 203 is fixedly connected with the axle center of the fan blade 202; a belt is arranged between the driving wheel 204 and the left end of the second crushing roller 103; the dust falling cylinder 201 is vertically arranged on the right side of the discharging bin 104, and the dust falling cylinder 201 is communicated with the discharging bin 104 through a connecting pipe 205; in the present embodiment, the fan blade 202 is installed at the connection pipe 205 and the discharge bin 104; the dust falling cylinder 201 is of a tubular structure with an open upper end and a closed lower end, and a primary dust screen 2011, a secondary dust screen 2012 and a tertiary dust screen 2013 are arranged in the dust falling cylinder 201; the primary dust screen 2011, the secondary dust screen 2012 and the tertiary dust screen 2013 are arranged from top to bottom; the inner diameter of the primary dust screen 2011, the inner diameter of the secondary dust screen 2012 and the inner diameter of the tertiary dust screen 2013 are the same as the inner diameter of the dust-settling cylinder 201; in this embodiment, the mesh number of the primary dust screen 2011 is 3000 meshes, the mesh number of the secondary dust screen 2012 is 2500 meshes, and the mesh number of the tertiary dust screen 2013 is 2000 meshes; when the motor works, the first crushing roller 102 rotates to drive the second crushing roller 103 to rotate synchronously, meanwhile, the second crushing roller 103 drives the fan blade 202 at the right end of the rotating shaft 203 to rotate, the fan blade 202 rotates to drive gas to flow, and the gas flows from the discharge bin 104 to the dust settling cylinder 201.

In this embodiment, a vibrator is installed on the periphery of the upper portion of the dust falling cylinder 201, the vibrator is electrically connected with an external power supply, and the vibrator is installed to vibrate and fall dust attached to the primary dust screen 2011, the secondary dust screen 2012, the tertiary dust screen 2013 and the inner wall of the dust falling cylinder 201, so as to improve the dust falling efficiency of the dust falling cylinder 201; the valve has still been seted up to the cavity of a dust fall section of thick bamboo 201 lower part, and the dust gets into a dust fall section of thick bamboo 201 after, falls to the cavity of a dust fall section of thick bamboo 201 lower part because of the dead weight after filtering layer upon layer of dust screen, and after the dust volume in a dust fall section of thick bamboo 201 increased, the valve can be opened in order to empty dust clearance dust fall section of thick bamboo 201.

The working principle of the device is as follows: after metallic impurity was got rid of to building rubbish through the letter sorting, drop into in the feeding storehouse 101, when the motor worked, first crushing roller 102 rotated and drives second crushing roller 103 and rotate in step, broken building rubbish, building rubbish falls to after a feed bin 104 after first crushing roller 102 and second crushing roller 103 are broken, carry next system sand equipment through conveyer belt 3 again and reprocess, meanwhile, second crushing roller 103 drives the flabellum 202 rotation of pivot 203 right-hand member, blow the dust piece that produces among the crushing process to in the dust fall section of thick bamboo 201, the dust piece passes through one-level dust screen 2011, the filtration of second grade dust screen 2012 and tertiary dust screen 2013, most thick dust is filtered in dust fall section of thick bamboo 201, realize the purpose of dust fall, alleviate the secondary pollution of the dust of the broken production of building rubbish to the environment.

Through the technical scheme, the rotating shaft 203 is arranged in the discharging bin 104, one end of the rotating shaft 203 is connected with the fan blade 202, the other end of the rotating shaft 203 is in belt transmission with the left end of the second crushing roller 103, the motor can drive the crushing roller to crush building garbage and can also drive the fan blade 202 to rotate, dust in the discharging bin 104 is blown into the dust falling barrel 201, the driving force of the motor is fully utilized, the motor does not need to be additionally arranged on the fan blade 202, the investment of equipment is reduced, and energy conservation and emission reduction are also realized; through setting up a dust fall section of thick bamboo 201 on the right side of going out feed bin 104, be equipped with multistage dust screen in the dust fall section of thick bamboo 201, multistage dust screen's mesh number is respectively different, and the dust blows to dust fall section of thick bamboo 201 back through flabellum 202, through filtering layer upon layer, reaches final dust fall's purpose, alleviates the dust of the broken production of building rubbish and to the secondary pollution of environment, has improved the operational environment of building rubbish system sand.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building rubbish utilization dry process sand making device which comprises a motor and is characterized in that: the device comprises a crushing mechanism (1) and a dust falling mechanism (2);

the crushing mechanism (1) comprises a feeding bin (101), a first crushing roller (102), a second crushing roller (103) and a discharging bin (104); the feeding bin (101) is arranged on the upper side of the discharging bin (104), and the feeding bin (101) is communicated with the discharging bin (104); the left end of the first crushing roller (102) is connected with the output end of the motor through a transmission belt; the first crushing roller (102) and the second crushing roller (103) are horizontally arranged at the communication position of the feeding bin (101) and the discharging bin (104); the left end of the first crushing roller (102) is meshed with the left end of the second crushing roller (103) through a gear;

the dust settling mechanism (2) comprises a dust settling cylinder (201) with an opening at the upper end and a closed lower end; the dust falling cylinder (201) is communicated with the discharging bin (104); a ventilation device is arranged at the communication position of the dust falling cylinder (201) and the discharging bin (104); when the ventilation device works, the gas flows from the discharge bin (104) to the dust settling cylinder (201);

a multi-stage dust screen is arranged in the dust falling cylinder (201), the inner diameter of the dust screen is the same as that of the dust falling cylinder (201), and the mesh number of the dust screen is sequentially increased along the gas flowing direction.

2. The dry-method sand making device for resource utilization of construction wastes as claimed in claim 1, which is characterized in that: the ventilation device comprises fan blades (202), a rotating shaft (203) and a driving wheel (204); the fan blades (202) are arranged at the communication part of the dust falling cylinder (201) and the discharge bin (104); the driving wheel (204) is arranged on the left side of the discharging bin (104); the rotating shaft (203) is arranged in the discharging bin (104) in a penetrating manner, one end of the rotating shaft (203) is fixedly connected with the axis of the fan blade (202), and the other end of the rotating shaft (203) is fixedly connected with the axis of the driving wheel (204); the length direction of the rotating shaft (203) is the same as that of the first crushing roller (102); the driving wheel (204) is connected with the second crushing roller (103) through a belt in a transmission way.

3. The dry-method sand making device for resource utilization of construction waste as claimed in claim 1, which is characterized in that: dust falling cylinder (201) is vertical installation, and the gas flow direction in dust falling cylinder (201) is from the bottom up.

4. The dry-method sand making device for resource utilization of construction wastes as claimed in claim 1, which is characterized in that: the dust falling cylinder (201) is internally provided with three dust screens in sequence according to the airflow direction.

5. The dry-method sand making device for resource utilization of construction waste as claimed in claim 4, which is characterized in that: the mesh number of the dustproof net is 2000 meshes, 2500 meshes and 3000 meshes respectively according to the airflow direction.

6. The dry-method sand making device for resource utilization of construction waste as claimed in claim 1, which is characterized in that: the dust falling mechanism (2) further comprises a vibrator; the vibrator is fixedly arranged on the periphery of the upper part of the dust falling cylinder (201).

7. The dry-method sand making device for resource utilization of construction wastes as claimed in claim 1, which is characterized in that: also comprises a conveying belt (3); the conveying belt (3) is arranged on the lower side of the discharging bin (104); the conveying direction of the conveying belt (3) is vertical to the length direction of the first crushing roller (102).