A light material separator for decoration waste treatment

Abstract

The present invention relates to a light-weight separator for decoration waste treatment, comprising a separation chamber; an air inlet duct connected to the separation chamber through an air inlet transition section; a filter drum rotatably provided in the separation chamber; a light-weight outlet with an air-shut-off impeller provided below the separation chamber; an air outlet end of the filter drum connected to the air outlet is connected to an air duct; and a wind knife for preventing light-weight materials from being adsorbed on the filter drum is provided in the filter drum. The present invention utilizes the basic principles of aerodynamics and the mass difference between light-weight materials and air, so that light-weight materials follow the air flow to perform an orderly curved descending motion in a specially designed expansion-type separation type, and finally fall into the air-shut-off mechanism for discharge, thereby achieving continuous and efficient light-weight material separation. The equipment has a compact structure and mechanized operation, which improves the efficiency of light-weight material separation.

Description

Technical Field

[0001] The invention relates to the field of resource utilization of construction waste, and in particular to a light-weight separator for processing decoration waste. Background Art

[0002] Renovation waste refers to various wastes generated by construction units or individuals during the laying, demolition and repair of various buildings, structures, pipelines, etc. In the past, most of the renovation waste was transported to the suburbs or villages without any treatment, and was piled in the open air or landfilled, occupying a large amount of land resources and causing harm to the environment.

[0003] The existing renovation waste treatment generally adopts the process of crushing first and then separating. First, it is crushed by crushing equipment, and then the heavy and light materials are separated by screening, water flotation and other processes. Only the heavy materials are recycled, and the light materials are sent for incineration or landfill treatment. The overall resource utilization level is low, and it is difficult to meet the standard requirements for the resource utilization rate of renovation waste. Summary of the invention

[0004] The purpose of the present invention is to provide a light-weight separator for decoration waste treatment, which is adapted to the new technology of classification and sorting for decoration waste resource treatment, and can classify and sort decoration waste with complex components according to the principle of recyclable and non-recyclable, and efficiently separate light-weight materials from decoration waste, so as to fully improve the treatment efficiency and overall resource utilization rate. And it can effectively prevent the problem of reduced separation effect due to adsorption of light-weight materials.

[0005] The technical scheme for achieving the purpose of the present invention is as follows: the present invention includes a separation chamber, an air inlet pipe, an air inlet transition section, a filter drum, an air outlet connecting air duct, an air shut-off impeller, a wind knife, and a light material outlet; the air inlet pipe is connected to the separation chamber through the air inlet transition section; a filter drum is rotatably arranged in the separation chamber; the lower part of the separation chamber is connected to the air shut-off impeller, and the discharge port of the air shut-off impeller is the light material outlet; the air outlet end of the filter drum is connected to the air outlet connecting air duct; the wind knife includes a wind inlet pipe, a pressure equalizing chamber and an air distribution port which are connected in sequence; the end of the wind inlet pipe not connected to the pressure equalizing chamber is a compressed air inlet; the wind inlet pipe is provided with a reinforced fixing section for being fixedly connected to the separation chamber; the air distribution port is provided with air distribution holes; the pressure equalizing chamber and the air distribution port are located in the filter drum, and the air distribution holes face outwardly to the filter drum.

[0006] The above-mentioned pressure equalizing chamber is in a triangular shape that gradually decreases from its air inlet end to a direction away from the air inlet end, thereby ensuring the approximation of the air flow velocity of the cloth seal line.

[0007] The above-mentioned filter drum includes a left drum support drum, a drum frame, a filter screen, a support roller raceway, a right drum support drum, and a sealing end plate; the sealing end plate is installed on the left drum support drum, and the wind inlet pipe passes through the sealing end plate and is connected to the equalizing chamber; the filter screen is fixed on the drum frame in blocks; the left drum support drum is rotatably connected to the drum bracket on the left side of the separation chamber through a bearing; the right drum support drum is provided with a support roller raceway, and the support roller raceway corresponds to the support drive roller on the right side of the separation chamber; the support drive roller is connected to the first drive motor in a transmission manner, and is driven to rotate by the first drive motor and drives the rotation of the filter drum; the right drum support drum is connected to the air outlet connection duct. The sealing end plate only has a circular hole for passing the wind inlet pipe. During installation, the gap between the circular hole and the wind inlet pipe should be minimized as much as possible to control the amount of air leakage; the aperture of the filter screen can be customized according to needs; when the support drive roller cooperates with the support roller raceway, the axial movement of the drum should be prevented.

[0008] The above-mentioned wind-closing impeller includes a shell, a sealing film, blades, an impeller shaft, a fixing bolt assembly and a second drive motor; the blades are welded on the impeller shaft; the impeller shaft is rotatably arranged in the shell and is transmission-connected to the second drive motor fixedly connected to the outside of the shell; the sealing film is connected to the blades through the fixing bolt assembly and is tightly attached to the inner wall of the shell to ensure a good seal when the impeller shaft rotates.

[0009] The first side wall of the separation chamber away from the air inlet pipe is composed of an involute transition section and a straight line section, and is connected to the shell of the wind-off impeller; the second side wall of the separation chamber opposite to the first side wall is composed of an arc section and a straight line section concentric with the filter drum, and is connected to the shell of the wind-off impeller.

[0010] A wind knife support frame is fixedly provided on the left side of the separation chamber, and the reinforced fixing section is fixedly connected to the wind knife support frame.

[0011] The above-mentioned wind knife is made of light alloy material.

[0012] A differential pressure gauge probe for pressure difference measurement and perception is arranged in the air duct connecting the separation chamber and the air outlet.

[0013] The working process of the present invention using the above-mentioned light-weight air separation machine for decoration waste treatment is as follows:

[0014] S1. The air flow carrying light objects and dust enters the air inlet pipe of the air separator at a relatively high speed. Due to the connection between the air inlet transition section and the separation chamber to form a spiral expansion channel, the air flow velocity gradually decreases to a level that is insufficient to drive the light objects to move with the air flow. Under the combined action of inertia and gravity, the light objects adhere closely to and descend along the left side wall of the involute separation chamber, transition from the straight section to fall between the wind-off impellers, and are carried to the light object outlet at the bottom by the rotating impeller blades for discharge.

[0015] S2. Lightweight fragments and dust particles with smaller mass in the air flow flow to the filter drum with the air flow. The dust in them passes through the filter and enters the inside of the drum, and is discharged from the air outlet connected to the air duct and introduced into the subsequent dust removal equipment; the lightweight fragments in them are trapped on the outer surface of the filter.

[0016] S3. When light debris accumulates on the filter surface to a certain extent and the airflow cannot pass smoothly, the pressure difference between the inside and outside of the filter drum increases to the upper threshold. After the differential pressure gauge probe senses it, the wind knife blows out a high-speed airflow to blow away the light debris on the filter surface, drop it between the wind-off impellers, and discharge it from the light material outlet at the bottom; when the pressure difference drops to the lower threshold, the wind knife stops blowing. Finally, the purpose of separating light objects except dust in the airflow is achieved.

[0017] The present invention has positive effects: (1) The present invention utilizes the basic principles of aerodynamics and the mass difference between light objects and air. The light objects follow the air flow and make an orderly curved downward motion in a specially designed expansion separation chamber, and finally fall into the air shut-off mechanism for discharge, thereby achieving continuous and efficient separation of light objects.

[0018] (2) The present invention uses a specially designed air shut-off mechanism to control a very small amount of air from leaking into the negative pressure separation chamber while discharging light objects from the separation chamber.

[0019] (3) The present invention uses a specially designed wind knife structure to form a linear high-speed airflow. Under the control of the pressure difference between the inside and outside of the filter drum, it intermittently blows away the smaller and lighter debris on the outer surface of the filter cartridge, restores the normal pressure difference between the inside and outside of the filter cartridge, ensures that the airflow passes smoothly through the filter net, and enables the separator to operate continuously and efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 for Figure 1 A side cross-sectional view of

[0023] Figure 3 It is a schematic diagram of the structure of the filter drum in the present invention;

[0024] Figure 4 for Figure 3 Left view of

[0025] Figure 5 It is a schematic diagram of the structure of the wind-off impeller in the present invention;

[0026] Figure 6 for Figure 5 Left view of

[0027] Figure 7 It is a schematic diagram of the structure of the wind knife in the present invention;

[0028] Figure 8 for Figure 7 Schematic diagram of the structure of the center air outlet in direction B.

[0029] In the figure:

[0030] 1-separation chamber, 2-air inlet pipe, 3-air inlet transition section, 4-filter drum, 5-support driving roller, 6-air outlet connecting air duct, 7-motor, 8-wind shut-off impeller, 9-differential pressure gauge probe, 10-wind knife support frame, 11-wind knife, 12-drum bracket, 13-first side wall, 14-second side wall, 15-light material outlet, 40-left drum support cylinder, 41, 42-drum frame, 43-filter screen, 44-support roller raceway, 45-right drum support cylinder, 46-sealing end plate, 80-sealing film, 81-blade, 82-impeller shaft, 83-fixing bolt assembly, 110-compressed air inlet, 111-wind inlet pipe, 112-reinforced fixing section, 113-air distribution hole, 114-equalizing pressure chamber, 115-air distribution outlet. DETAILED DESCRIPTION

[0031] See Figures 1 to 8 The present invention comprises a separation chamber 1, an air inlet pipe 2, an air inlet transition section 3, a filter drum 4, an air outlet connecting air duct 6, an air shut-off impeller 8, an air knife 11, and a light material outlet 15; the air inlet pipe 2 is connected to the separation chamber 1 through the air inlet transition section 3; a filter drum 4 is rotatably arranged in the separation chamber 1; the lower part of the separation chamber 1 is connected and communicated with the air shut-off impeller 8, and the discharge port of the air shut-off impeller 8 is the light material outlet 15; the air outlet end of the filter drum 4 is connected and communicated with the air outlet connecting air duct 6; The wind knife 11 includes a wind inlet pipe 111, a pressure equalizing chamber 114 and an air distribution port 115 which are connected to each other in sequence; the end of the wind inlet pipe 111 not connected to the pressure equalizing chamber is a compressed air inlet 110; the wind inlet pipe 111 is provided with a reinforced fixing section 112 for fixedly connecting to the separation chamber; the air distribution port 115 is provided with an air distribution hole 113; the pressure equalizing chamber 114 and the air distribution port 115 are located in the filter drum 4, and the air distribution hole 113 faces outward to the filter drum 4.

[0032] The pressure equalizing chamber 114 is in a triangular shape that gradually shrinks from its air inlet end toward a direction away from the air inlet end.

[0033] The filter drum 4 includes a left drum support drum 40, a drum frame 41, 42, a filter screen 43, a support roller raceway 44, a right drum support drum 45, and a sealing end plate 46; the sealing end plate 46 is installed on the left drum support drum 40, and the wind inlet pipe 111 passes through the sealing end plate 46 and is connected to the equalizing chamber 114; the filter screen 43 is fixed on the drum frames 41, 42 in blocks; the left drum support drum 40 is rotatably connected to the drum bracket 12 on the left side of the separation chamber 1 through a bearing; a support roller raceway 44 is provided on the right drum support drum 45, and the support roller raceway 44 corresponds to the support drive roller 5 on the right side of the separation chamber 1; the support drive roller 5 is transmission-connected to the first drive motor, and is driven to rotate by the first drive motor and drives the rotation of the filter drum 4; the right drum support drum 45 is connected to the air outlet connecting duct 6.

[0034] The wind-off impeller 8 includes a shell, a sealing film 80, blades 81, an impeller shaft 82, a fixing bolt assembly 83 and a second drive motor; the blades 81 are welded to the impeller shaft 82; the impeller shaft 82 is rotatably arranged in the shell and is transmission-connected to the second drive motor fixedly connected to the outside of the shell; the sealing film 80 is connected to the blades 81 through the fixing bolt assembly 83 and is closely attached to the inner wall of the shell.

[0035] The first side wall of the separation chamber 1 away from the air inlet pipe 2 is composed of an involute transition section and a straight line section, and is connected to the housing of the wind-shut impeller 8; the extension angle of the involute wall is not less than 120°; the second side wall of the separation chamber 1 opposite to the first side wall is composed of an arc segment and a straight line segment concentric with the filter drum 4, and is connected to the housing of the wind-shut impeller 8, and the extension angle of the arc wall is not less than 90°.

[0036] A wind knife support frame 10 is fixedly provided on the left side of the separation chamber, and the reinforced fixing section 112 is fixedly connected to the wind knife support frame 10 .

[0037] The wind knife 11 is made of light alloy material.

[0038] A differential pressure gauge probe 9 for pressure difference measurement and perception is arranged in the air duct 6 connecting the separation chamber 1 and the air outlet.

[0039] The working process of the present invention using the above-mentioned light-weight air separation machine for decoration waste treatment is as follows:

[0040] S1. The air flow carrying light objects and dust enters the air inlet pipe 2 of the air separation machine at a relatively high speed. Due to the connection between the air inlet transition section 3 and the separation chamber 1 to form a spiral expansion channel, the air flow speed gradually decreases to a point where it is insufficient to drive the light objects to move along with the air flow. Under the combined action of inertia and gravity, the light objects adhere closely to and descend along the left side wall 13 of the involute separation chamber, transition from the straight section to fall between the air shut-off impellers 8, and are carried to the light object outlet 15 at the bottom by the rotating impeller blades 81 for discharge;

[0041] S2, the lighter fragments and dust particles in the air flow flow to the filter drum 4 with the air flow, and the dust in them passes through the filter screen 43 and enters the drum, and is discharged from the air outlet connected to the air duct 43, and introduced into the subsequent equipment for dust removal; the lighter fragments in them are trapped on the outer surface of the filter screen 43;

[0042] S3, when the light debris gathers on the surface of the filter screen 43 to a certain extent and the airflow cannot pass smoothly, the air pressure inside and outside the filter drum 4 increases to the upper threshold value, and after the differential pressure gauge probe 9 senses it, the wind knife 11 blows out a high-speed airflow, blows the light debris on the surface of the filter screen 43 away, drops it between the wind-off impellers 8, and discharges it from the light-weight outlet 15 at the bottom. When the pressure difference drops to the lower threshold value, the wind knife 11 stops blowing. Finally, the purpose of separating the light objects except dust in the airflow is achieved.

[0043] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A light material separator for decoration waste treatment; characterized by: The invention comprises a separation chamber (1), an air inlet pipe (2), an air inlet transition section (3), a filter drum (4), an air outlet connecting air duct (6), an air shut-off impeller (8), an air knife (11), and a light matter outlet (15); the air inlet pipe (2) is connected to the separation chamber (1) via the air inlet transition section (3); a filter drum (4) is rotatably arranged in the separation chamber (1); the lower part of the separation chamber (1) is connected to and communicates with the air shut-off impeller (8), and the discharge port of the air shut-off impeller (8) is the light matter outlet (15); the air outlet end of the filter drum (4) is connected to and communicates with the air outlet connecting air duct (6) The wind knife (11) comprises a wind inlet pipe (111), a pressure equalizing chamber (114) and an air distribution port (115) which are connected in sequence; the end of the wind inlet pipe (111) not connected to the pressure equalizing chamber is a compressed air inlet (110); the wind inlet pipe (111) is provided with a reinforced fixing section (112) for being fixedly connected to the separation chamber; the air distribution port (115) is provided with an air distribution hole (113); the pressure equalizing chamber (114) and the air distribution port (115) are located in the filter drum (4), and the air distribution hole (113) faces outwardly to the filter drum (4); The pressure equalizing chamber (114) is in a triangular shape that gradually shrinks from its air inlet end toward a direction away from the air inlet end; A first side wall of the separation chamber (1) on a side away from the air inlet pipe (2) is composed of an involute transition segment and a straight line segment, and is connected to the housing of the air shut-off impeller (8); a second side wall of the separation chamber (1) opposite to the first side wall is composed of an arc segment and a straight line segment concentric with the filter drum (4), and is connected to the housing of the air shut-off impeller (8).

2. The light-weight separator for decoration waste treatment according to claim 1 is characterized in that: The filter drum (4) comprises a left drum support drum (40), a drum frame (41, 42), a filter screen (43), a support roller raceway (44), a right drum support drum (45), and a sealing end plate (46); the sealing end plate (46) is mounted on the left drum support drum (40); the wind inlet pipe (111) passes through the sealing end plate (46) and is connected to the pressure equalizing chamber (114); the filter screen (43) is fixed on the drum frame (41, 42) in blocks; the left drum support drum (40) is provided with a filter screen (43), and the filter screen (43) is fixed on the drum frame (41, 42) in blocks; the right drum support drum (45) is provided with a filter screen (43), and ... right drum support drum (45) is provided with a filter screen (43), and The drum (40) is rotatably connected to the drum support (12) on the left side of the separation chamber (1) via a bearing; a supporting roller track (44) is provided on the right drum supporting drum (45), and the supporting roller track (44) corresponds to and cooperates with the supporting driving roller (5) on the right side of the separation chamber (1); the supporting driving roller (5) is transmission-connected to the first driving motor, and is driven to rotate by the first driving motor and drives the rotation of the filter drum (4); the right drum supporting drum (45) is connected to and communicates with the air outlet connecting duct (6).

3. The light-weight separator for decoration waste treatment according to claim 1 is characterized in that: The air-closing impeller (8) comprises a housing, a sealing film (80), blades (81), an impeller shaft (82), a fixing bolt assembly (83), and a second drive motor; the blades (81) are welded to the impeller shaft (82); the impeller shaft (82) is rotatably disposed in the housing and is drivingly connected to the second drive motor fixedly connected to the outside of the housing; the sealing film (80) is connected to the blades (81) via the fixing bolt assembly (83) and is closely attached to the inner wall of the housing.

4. The light-weight separator for decoration waste treatment according to claim 1 is characterized in that: A wind knife support frame (10) is fixedly provided on the left side of the separation chamber, and the reinforcing fixing section (112) is fixedly connected to the wind knife support frame (10).

5. The light-weight separator for decoration waste treatment according to claim 1 is characterized in that: The wind knife (11) is made of a light alloy material.

6. The light-weight separator for decoration waste treatment according to claim 1 is characterized by: A differential pressure gauge probe (9) for pressure difference measurement and perception is arranged in the air duct (6) connecting the separation chamber (1) and the air outlet.

Images