Pneumatic conveying system for hazardous waste treatment aluminum ash

Abstract

The utility model relates to the technical field of aluminum ash treatment, in particular to an aluminum ash pneumatic conveying system for hazardous waste treatment, which not only can heat and screen aluminum ash to prevent the aluminum ash from caking to influence the conveying efficiency, but also can repeatedly utilize air at a separated place to prevent the dust from being discharged along with the air to influence the environment. Comprising a screening mechanism; the device further comprises a material conveying mechanism, a filtering mechanism, a transferring mechanism and a knocking mechanism, the material conveying mechanism is installed on the screening mechanism and used for extracting and separating aluminum ash, the filtering mechanism is installed on the material conveying mechanism and used for filtering and dehumidifying air, and the transferring mechanism is installed on the filtering mechanism and used for transferring the air. And the knocking mechanism is mounted on the transferring mechanism and used for knocking the screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aluminum ash treatment, in particular to a dangerous waste treatment aluminum ash pneumatic conveying system. BACKGROUND

[0002] Aluminum fly ash refers to aluminum-containing solid waste generated in the aluminum smelting process, and the methods for treating aluminum fly ash include recycling aluminum resources, solidification treatment, incineration treatment, etc.

[0003] The existing dangerous waste treatment aluminum ash pneumatic conveying system, for example, the negative pressure continuous pneumatic conveying system for secondary aluminum ash disclosed in the utility model patent with the application number 202323388410.1, mainly includes a storage bin, a conveying pipe and a Roots blower, the conveying pipe top is provided with a cleaning assembly, and the cleaning assembly includes a shell, one side of the shell is connected with a shunt pipe, the inside of the shell is connected with a wind wheel, the top of the wind wheel is connected with a top plate, the inside of the shell is connected with a protective seat below, and the top of the protective seat is connected with a knocking hammer; in use, part of the airflow discharged by the Roots blower enters the shell through the shunt pipe, at this time, the airflow drives the wind wheel to rotate so that the four top plates revolve, the top plates revolve and reciprocate and separate from the knocking hammer, when the top plates abut against the knocking hammer, the knocking hammer is forced to rotate upward, and when the top plates separate from the knocking hammer, the knocking hammer is affected by gravity and rotates downward to knock the protective seat.

[0004] However, aluminum ash is easy to cake after absorbing moisture, or fine powder is adsorbed on the pipe wall due to static electricity, resulting in decreased flowability, most of the existing pneumatic conveying systems do not dry the aluminum ash, which is easy to cause blockage, and there may still be some aluminum ash in the air separated by the cyclone separator, which is easy to cause air pollution if directly discharged. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a dangerous waste treatment aluminum ash pneumatic conveying system which can not only heat and screen the aluminum ash to avoid the influence of aluminum ash caking on conveying efficiency, but also repeatedly utilize the air separated to avoid dust being discharged with the air to affect the environment.

[0006] The utility model discloses a kind of dangerous waste treatment aluminum ash pneumatic conveying systems, including screening mechanism;Still including conveying mechanism, filter mechanism, transfer mechanism and knocking mechanism, conveying mechanism is installed on screening mechanism and separates out aluminum ash, filter mechanism is installed on conveying mechanism and carries out filtering dehumidification to air, transfer mechanism is installed on filter mechanism and carries out transfer to air, knocking mechanism is installed on transfer mechanism and carries out knocking to screen mesh;Start conveying mechanism, aluminum ash in screening mechanism is evenly dispersed and then air conveyed into equipment, conveying mechanism is conveyed into filter mechanism to separated air, filter mechanism carries out filtering and dehumidification to separated air and air outside, air is conveyed into screening mechanism by filter mechanism, facilitate mixed aluminum ash conveying, while air drives knocking mechanism rotation and knocks screen mesh, avoid plugging screen mesh.

[0007] Preferably, the screening mechanism includes a storage cylinder, a discharge valve, a connecting cylinder, a heating plate, and a screen mesh. The storage cylinder is installed on the working surface, the discharge valve is installed on the storage cylinder, the top end of the connecting cylinder is in communication with the inside of the bottom end of the storage cylinder, the heating plate is installed on the connecting cylinder, and the screen mesh is installed in the connecting cylinder. The worker opens the discharge valve, and the aluminum ash in the storage cylinder falls into the connecting cylinder. The heating plate heats the aluminum ash in the connecting cylinder, and the screen mesh screens the aluminum ash to prevent clumped aluminum ash from entering the conveying mechanism and affecting the conveying efficiency.

[0008] Preferably, the conveying mechanism includes a conveying pipe, a cyclone separator, an air suction pipe, a Roots blower, and an exhaust pipe. The conveying pipe is in communication with the inside of the bottom end of the connecting cylinder, the cyclone separator is installed on the working position and is in communication with the inside of the conveying pipe, the air suction pipe is installed on the cyclone separator, the Roots blower is installed on the working position and is in communication with the inside of the air suction pipe, and the exhaust pipe is installed on the Roots blower. The Roots blower sucks air through the air suction pipe, so that air and aluminum ash are conveyed into the air suction pipe through the conveying pipe. The air suction pipe separates the air and the aluminum ash, conveys the aluminum ash into the equipment, and conveys the separated air into the filter mechanism through the exhaust pipe.

[0009] Preferably, the filter mechanism includes a filter box, an air inlet grille, a check valve, a filter plate, and a dehumidification plate. The filter box is installed on the storage cylinder and is in communication with the inside of the exhaust pipe, the air inlet grille is installed on the filter box and is in communication with the inside of the filter box, the check valve is installed on the air inlet grille, the filter plate is installed in the filter box, and the dehumidification plate is installed in the filter box. The air in the exhaust pipe is conveyed into the filter box, the air outside is introduced into the filter box through the air inlet grille, the check valve is arranged to prevent the air in the exhaust pipe from being discharged through the air inlet grille, the air is filtered to remove impurities and aluminum ash through the filter plate, and the dehumidification plate removes moisture in the air.

[0010] Preferably, the transferring mechanism comprises a protective shell, a connecting pipe and an air inlet pipe, the protective shell is installed on the filter box and communicates with the inside of the filter box, the connecting pipe is installed on the connecting cylinder and communicates with the inside of the protective shell, and the air inlet pipe is installed on the connecting pipe and communicates with the inside of the connecting cylinder; air is delivered into the connecting cylinder through the protective shell, the connecting pipe and the air inlet pipe, which not only sweeps the aluminum ash on the screen to accelerate the passing of the aluminum ash through the screen, but also facilitates the mixing and delivery of the air and the aluminum ash to avoid the caking of the aluminum ash.

[0011] Preferably, the knocking mechanism comprises a connecting shaft, a plurality of fan blades and a knocking block, the connecting shaft is rotatably installed in the connecting cylinder, the plurality of fan blades are installed on the connecting shaft and located in the connecting pipe, and the knocking block is installed on the connecting shaft and located in the connecting cylinder; the air in the connecting pipe blows the fan blades to rotate, the fan blades drive the connecting shaft and the knocking block to rotate, and the knocking block rotates to knock the screen to avoid the clogging of the aluminum ash on the screen.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the starting of the material transferring mechanism, the uniform dispersion of the aluminum ash in the screening mechanism, the delivery of the aluminum ash into the equipment following the air, the delivery of the separated air into the filtering mechanism by the material transferring mechanism, the filtering and dehumidifying of the separated air and the air outside by the filtering mechanism, the delivery of the air into the screening mechanism through the filtering mechanism, the convenient delivery of the mixed aluminum ash, and the rotation of the knocking mechanism driven by the air to knock the screen to avoid the clogging of the screen. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the axonometric structural schematic diagram of the utility model;

[0014] Figure 2 is the local enlarged sectional axonometric structural schematic diagram of the screening mechanism and the knocking mechanism of the utility model;

[0015] Figure 3 is the axonometric structural schematic diagram of the material transferring mechanism of the utility model;

[0016] Figure 4 is the local enlarged axonometric structural schematic diagram of the filtering mechanism of the utility model;

[0017] Figure 5 is the local enlarged front view structural schematic diagram of the transferring mechanism of the utility model.

[0018] Marked in the drawing: 01, screening mechanism; 11, storage pipe; 12, discharge valve; 13, connecting cylinder; 14, heating plate; 15, screen; 02, material conveying mechanism; 21, conveying pipe; 22, cyclone separator; 23, air suction pipe; 24, Roots blower; 25, exhaust pipe; 03, filtering mechanism; 31, filter box; 32, air inlet grid; 33, check valve; 34, filter plate; 35, dehumidification plate; 04, transfer mechanism; 41, protective shell; 42, communication pipe; 43, air inlet pipe; 05, knocking mechanism; 51, connecting shaft; 52, fan blade; 53, knocking block. DETAILED DESCRIPTION

[0019] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0020] Example 1

[0021] The utility model discloses a dangerous and useless processing aluminum ash pneumatic conveying system, including screening mechanism 01, still including feed mechanism 02, filter equipment 03, transfer mechanism 04 and knock mechanism 05, and feed mechanism 02 is installed on screening mechanism 01 and separates out the aluminum ash, filter equipment 03 is installed on feed mechanism 02 and carries out filter dehumidification to air, transfer mechanism 04 is installed on filter equipment 03 and carries out transfer to air, and knock mechanism 05 is installed on transfer mechanism 04 and carries out knock to screen cloth, screening mechanism 01 includes storage silo 11, unloading valve 12, connecting cylinder 13, hot plate 14 and screen cloth 15, and storage silo 11 is installed on the working face, and unloading valve 12 is installed on storage silo 11, and the top of connecting cylinder 13 is communicated with the bottom inside of storage silo 11, and hot plate 14 is installed on connecting cylinder 13, and screen cloth 15 is installed in connecting cylinder 13, feed mechanism 02 includes feed pipe 21, cyclone separator 22, suction pipe 23, roots blower 24 and exhaust pipe 25, and feed pipe 21 is communicated with the bottom inside of connecting cylinder 13, and cyclone separator 22 is installed on the working position and is communicated with the inside of feed pipe 21, and suction pipe 23 is installed on cyclone separator 22, and roots blower 24 is installed on the working position and is communicated with the inside of suction pipe 23, and exhaust pipe 25 is installed on roots blower 24, filter equipment 03 includes filter box 31, air inlet grille 32, check valve 33, filter plate 34 and dehumidification plate 35, and filter box 31 is installed on storage silo 11, and filter box 31 is communicated with the inside of exhaust pipe 25, and air inlet grille 32 is installed on filter box 31 and is communicated with the inside of filter box 31, and check valve 33 is installed on air inlet grille 32, and filter plate 34 is installed in filter box 31, and dehumidification plate 35 is installed in filter box 31, transfer mechanism 04 includes protective shell 41, communication pipe 42 and air inlet pipe 43, and protective shell 41 is installed on filter box 31 and is communicated with the inside of filter box 31, and communication pipe 42 is installed on connecting cylinder 13 and is communicated with the inside of protective shell 41, and air inlet pipe 43 is installed on communication pipe 42 and is communicated with the inside of connecting cylinder 13.In its work, first, the outside air enters into the filter box 31 through the air inlet grille 32, the air in the exhaust pipe 25 is prevented from being discharged through the air inlet grille 32 by arranging the check valve 33, the air is filtered to remove impurities and aluminum ash through the filter plate 34, the moisture in the air is removed through the dehumidification plate 35, the air is conveyed into the connecting cylinder 13 through the protective shell 41, the connecting pipe 42 and the air inlet pipe 43, not only the aluminum ash on the screen 15 can be swept to accelerate the aluminum ash through the screen 15, but also the air and the aluminum ash can be conveniently mixed and conveyed to avoid the aluminum ash caking, the worker opens the discharge valve 12, the aluminum ash in the storage cylinder 11 falls into the connecting cylinder 13, the heating plate 14 heats the aluminum ash in the connecting cylinder 13, at the same time, the screen 15 screens the aluminum ash, the Roots blower 24 is started, the Roots blower 24 draws air through the air suction pipe 23, the air and the aluminum ash are conveyed into the air suction pipe 23 through the material conveying pipe 21, the air suction pipe 23 separates the air and the aluminum ash, the aluminum ash is conveyed into the equipment, and the separated air is conveyed into the filter box 31 through the exhaust pipe 25.

[0022] Embodiment 2

[0023] As Figures 1 to 5 shown, the utility model discloses a kind of hazardous waste treatment aluminum ash pneumatic conveying systems, on the basis of embodiment 1;Knocking mechanism 05 includes connecting shaft 51, multiple groups of fan blade 52 and knocking block 53, connecting shaft 51 is rotatably installed in connecting cylinder 13, multiple groups of fan blade 52 are all installed on connecting shaft 51 and located in connecting pipe 42, knocking block 53 is installed on connecting shaft 51 and located in connecting cylinder 13;In its work, first, the outside air enters into the filter box 31 through the air inlet grille 32, the air in the exhaust pipe 25 is prevented from being discharged through the air inlet grille 32 by arranging the check valve 33, the air is filtered to remove impurities and aluminum ash through the filter plate 34, the moisture in the air is removed through the dehumidification plate 35, the air is conveyed into the connecting cylinder 13 through the protective shell 41, the connecting pipe 42 and the air inlet pipe 43, the air in connecting pipe 42 blows fan blade 52 to rotate, fan blade 52 drives connecting shaft 51 and knocking block 53 to rotate, knocking block 53 rotates to knock screen 15, avoid aluminum ash to be blocked on screen 15, not only the aluminum ash on the screen 15 can be swept to accelerate the aluminum ash through the screen 15, but also the air and the aluminum ash can be conveniently mixed and conveyed to avoid the aluminum ash caking, the worker opens the discharge valve 12, the aluminum ash in the storage cylinder 11 falls into the connecting cylinder 13, the heating plate 14 heats the aluminum ash in the connecting cylinder 13, at the same time, the screen 15 screens the aluminum ash, the Roots blower 24 is started, the Roots blower 24 draws air through the air suction pipe 23, the air and the aluminum ash are conveyed into the air suction pipe 23 through the material conveying pipe 21, the air suction pipe 23 separates the air and the aluminum ash, the aluminum ash is conveyed into the equipment, and the separated air is conveyed into the filter box 31 through the exhaust pipe 25.

[0024] The cyclone separator 22 and the Roots blower 24 are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0025] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be considered as the protection range of the utility model.

Claims

1. A pneumatic conveying system for hazardous waste aluminum ash, comprising a screening mechanism (01); characterized in that, It also includes a material conveying mechanism (02), a filtration mechanism (03), a transfer mechanism (04), and a striking mechanism (05). The material conveying mechanism (02) is installed on the screening mechanism (01) and extracts and separates aluminum ash. The filtration mechanism (03) is installed on the material conveying mechanism (02) and filters and dehumidifies the air. The transfer mechanism (04) is installed on the filtration mechanism (03) and transfers the air. The striking mechanism (05) is installed on the transfer mechanism (04) and strikes the screen.

2. The pneumatic conveying system for treating aluminum ash in hazardous waste as described in claim 1, characterized in that, The screening mechanism (01) includes a storage cylinder (11), a discharge valve (12), a connecting cylinder (13), a heating plate (14), and a screen (15). The storage cylinder (11) is installed on the working surface, the discharge valve (12) is installed on the storage cylinder (11), the top end of the connecting cylinder (13) is connected to the bottom end of the storage cylinder (11), the heating plate (14) is installed on the connecting cylinder (13), and the screen (15) is installed inside the connecting cylinder (13).

3. The pneumatic conveying system for treating aluminum ash in hazardous waste as described in claim 2, characterized in that, The material conveying mechanism (02) includes a material conveying pipe (21), a cyclone separator (22), an exhaust pipe (23), a Roots blower (24), and an exhaust pipe (25). The material conveying pipe (21) is connected to the bottom of the connecting cylinder (13). The cyclone separator (22) is installed in the working position and is connected to the inside of the material conveying pipe (21). The exhaust pipe (23) is installed on the cyclone separator (22). The Roots blower (24) is installed in the working position and is connected to the inside of the exhaust pipe (23). The exhaust pipe (25) is installed on the Roots blower (24).

4. The pneumatic conveying system for treating aluminum ash in hazardous waste as described in claim 3, characterized in that, The filtration mechanism (03) includes a filter box (31), an air intake grille (32), a check valve (33), a filter plate (34), and a dehumidifying plate (35). The filter box (31) is installed on the storage cylinder (11) and is connected to the inside of the exhaust pipe (25). The air intake grille (32) is installed on the filter box (31) and is connected to the inside of the filter box (31). The check valve (33) is installed on the air intake grille (32). The filter plate (34) is installed inside the filter box (31). The dehumidifying plate (35) is installed inside the filter box (31).

5. The pneumatic conveying system for treating aluminum ash in hazardous waste as described in claim 4, characterized in that, The transfer mechanism (04) includes a protective shell (41), a connecting pipe (42), and an air inlet pipe (43). The protective shell (41) is installed on the filter box (31) and communicates with the inside of the filter box (31). The connecting pipe (42) is installed on the connecting cylinder (13) and communicates with the inside of the protective shell (41). The air inlet pipe (43) is installed on the connecting pipe (42) and communicates with the inside of the connecting cylinder (13).

6. The pneumatic conveying system for treating aluminum ash in hazardous waste as described in claim 5, characterized in that, The striking mechanism (05) includes a connecting shaft (51), multiple sets of fan blades (52) and a striking block (53). The connecting shaft (51) is rotatably installed inside the connecting cylinder (13). The multiple sets of fan blades (52) are all installed on the connecting shaft (51) and located inside the connecting pipe (42). The striking block (53) is installed on the connecting shaft (51) and located inside the connecting cylinder (13).

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