Automatic metal dust filtering and deslagging device and using method

Abstract

The invention discloses an automatic metal dust filtering and deslagging device and a using method, the automatic metal dust filtering and deslagging device comprises a scraping brush speed reducing motor, the scraping brush speed reducing motor is mounted at the top of an upper cover, and a plug valve is arranged at the top of the upper cover; the scraping brush gear motor is connected with the scraping brush mechanism, the scraping brush mechanism is located in the filter element, the filter element is installed in the filter body, and the filter body comprises a water inlet, a filter element bearing plate, a pressure difference source taking component, a water purification space, a water outlet and a slag containing funnel; circulating water enters through the water inlet and is filtered by the filter element, purified water flows into the water purification space, and dust particles are left in a cavity of the filter element and are precipitated into the slag containing funnel through plate holes; and the controller starts the plug valve to compress air to drain water, and simultaneously starts a motor of the spiral reamer conveying mechanism to discharge dust particles in the slag containing funnel. The device has the advantages of small size, low power consumption, simplicity and convenience in operation, convenience in equipment integration, automation and the like, zero sewage discharge of dust removal equipment can be realized, and economic benefits are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of slag-containing fluid filtration in the industrial and trade industries, and particularly to an automatic metal dust filtration and slag discharge device and a usage method thereof. Background Art

[0002] In the existing metal products in China's industrial and trade industries, especially in the grinding, polishing, and shot blasting processes of aluminum alloy castings, a large amount of dust particles are generated and enter the water tank (pool) along with the equipment spraying system. Due to the recycling of the water in the water tank (pool), the dust particles will accumulate continuously, often causing equipment blockage and damage, and bacteria are likely to breed in the water. The operating workers face the spraying water curtain for a long time, posing occupational health and safety risks. Currently, most equipment adopts regular manual shutdown cleaning, which is time-consuming and laborious, with low intelligent efficiency, and the wastewater discharged externally requires secondary treatment. This has been a pain point for enterprises and has become an urgent problem to be solved. Summary of the Invention

[0003] The purpose of the present invention is to provide an automatic metal dust filtration and slag discharge device and a usage method thereof. By adding a filtration and slag discharge device during the water circulation process, the purpose of purifying the circulating water quality and recovering metal particles is achieved, and the requirements of green, emission reduction, and automated production for each processing procedure are realized, so as to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solutions:

[0005] An automatic metal dust filtration and slag discharge device includes a brush scraping reduction motor, an upper cover, a filtration body, a brush scraping mechanism, a filter element, a control box, a filter element bottom plate, a spiral auger conveyor mechanism, and a base; the brush scraping reduction motor is installed on the top of the upper cover, and a cock valve for connecting compressed gas is provided on one side of the top of the upper cover; the output end of the brush scraping reduction motor extends into the interior of the upper cover for connecting to the brush scraping mechanism, the brush scraping mechanism is located inside the filter element, the filter element is installed in the filtration body, and the filtration body includes a water inlet, a filter element support plate, a differential pressure tapping component, a purified water space, a water outlet, and a slag receiving funnel; the flange of the filter element support plate and the card slot of the filter element bottom plate jointly fix the filter element and form a purified water space; the differential pressure tapping components are distributed on the upper side of the purified water space and the upper end of the slag receiving funnel, the water inlet is located at the uppermost end of the filtration body, and the water outlet is located at the upper end of the differential pressure tapping component; both the differential pressure tapping component and the cock valve are electrically connected to the control box, and the control box is installed on one side of the filtration body to realize the automated operation of the entire device; the spiral auger conveyor mechanism is connected to the slag receiving funnel through a flange; the base is used to support the filtration body.

[0006] Further, the brush scraping mechanism includes a coupling, a scraper brush, and a rotating shaft. The coupling is used to connect the rotating shaft to the output end of the brush scraping reduction motor, and the scraper brushes are arranged alternately on the rotating shaft for cleaning the inner wall of the filter element.

[0007] Furthermore, the control box includes a terminal block, a relay, a controller, a time controller, a power supply, a differential pressure transmitter, and an isolator. The differential pressure transmitter is used to receive the pressure signal from the differential pressure tapping component and forms an electric control system with the relay, the controller, the time controller, and the isolator. The controller is also electrically connected to the plug valve. The terminal block and the power supply are connected by a circuit to provide working power for the entire device.

[0008] Furthermore, the filter element bottom plate includes a card slot, a plate hole, and a shaft seat hole. The shaft seat hole is used to receive the rotating shaft in the scraping mechanism. The plate hole is located at the bottom of the filter element. The outer side of the plate hole is a large round hole, and the inner side is a small round hole. The part different from the purified water space is without holes.

[0009] Furthermore, the spiral reamer conveying mechanism includes a motor, a spiral reamer, and a discharge port. One end of the spiral reamer is drivingly connected to the motor, and a discharge port for discharging slag is arranged below the other end.

[0010] The present invention provides another technical solution: a method for using an automatic metal dust filtering and slag discharging device, including the following steps:

[0011] S1: After the circulating water enters the filtering body through the water inlet, it is filtered by the filter element. The purified water flows into the purified water space, and the dust particles remain in the cavity of the filter element and precipitate into the slag holding funnel through the plate hole;

[0012] S2: When the dust particles in the slag holding funnel accumulate to a certain position and submerge the differential pressure tapping component at the bottom, the water pump stops, and the differential pressure transmitter transmits a signal to the controller;

[0013] S3: The controller starts the plug valve to compress air for draining water, and at the same time opens the connection valve and starts the motor of the spiral reamer conveying mechanism to discharge the dust particles in the slag holding funnel.

[0014] Furthermore, in S1 - S3, the time can be set through the time controller in the control box to start the scraping reduction motor regularly, and the filter element is brushed by the scraping mechanism to prevent blockage of the holes.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The automatic metal dust filtering and slag discharging device and the using method thereof of the present invention have the advantages of small size, low power consumption, simple operation, convenient integration of equipment, automation, etc. The entire device can be directly integrated and installed in the dust removal equipment without occupying space. During the use process, automatic filtering and slag discharging can be realized, reducing the cleaning workload, reducing the probability of equipment blockage, corrosion and other failures, achieving zero discharge of sewage from the dust removal equipment, and improving economic benefits. Description of the Drawings

[0017] Figure 1Schematic diagram of the internal structure of the device of the present invention;

[0018] Figure 2 Front view of the device of the present invention;

[0019] Figure 3 Side view of the device of the present invention.

[0020] In the figure: 1, scraping deceleration motor; 2, upper cover; 201, cock valve; 3, filter body; 301, water inlet; 302, filter element bearing plate; 303, differential pressure tapping component; 304, clean water space; 305, water outlet; 306, slag holding funnel; 4, scraping mechanism; 401, coupling; 402, scraping brush; 403, rotating shaft; 5, filter element; 6, control box; 601, terminal block; 602, relay; 603, controller; 604, time controller; 605, power supply; 606, differential pressure transmitter; 607, isolator; 7, filter element bottom plate; 701, card slot; 702, plate hole; 703, shaft seat hole; 8, spiral reamer conveying mechanism; 801, motor; 802, spiral reamer; 803, discharge port; 9, base. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-3, an embodiment of the present invention provides an automatic metal dust filtering and slag discharging device, which includes a brush scraping reduction motor 1, an upper cover 2, a filtering body 3, a brush scraping mechanism 4, a filter element 5, a control box 6, a filter element bottom plate 7, a spiral auger conveying mechanism 8 and a base 9; among them, the brush scraping reduction motor 1 is installed on the top of the upper cover 2, and the upper cover 2 and the filtering body 3 together form a filtering container. A cock valve 201 for connecting compressed gas is provided on one side of the top of the upper cover 2, and an electromagnetic valve can also be configured to connect compressed gas to pressurize the container and accelerate the filtering speed; the output end of the brush scraping reduction motor 1 extends into the interior of the upper cover 2 for connecting the brush scraping mechanism 4, and the brush scraping mechanism 4 is located inside the filter element 5. The filter element 5 is installed in the filtering body 3, and the filtering body 3 includes a water inlet 301, a filter element bearing plate 302, a differential pressure tapping component 303, a clean water space 304, a water outlet 305 and a slag hopper 306; the flange of the filter element bearing plate 302 and the clamping groove 701 of the filter element bottom plate 7 jointly fix the filter element 5 and form a clean water space 304. Specifically, the filter element bearing plate 302 and the upper flange of the filter element 5 are fixedly connected by bolts; the differential pressure tapping components 303 are distributed on the upper side of the clean water space 304 and the upper end of the slag hopper 306, the water inlet 301 is located at the uppermost end of the filtering body 3, and the water outlet 305 is located above the differential pressure tapping component 303; both the differential pressure tapping component 303 and the cock valve 201 are electrically connected to the control box 6, and the control box 6 is installed on one side of the filtering body 3 to realize the automatic operation of the entire device; the spiral auger conveying mechanism 8 is connected to the slag hopper 306 through a flange; the base 9 is used to support the filtering body 3.

[0023] The brush scraping mechanism 4 in this embodiment includes a coupling 401, a scraper brush 402 and a rotating shaft 403. The coupling 401 is used to connect the rotating shaft 403 and the output end of the brush scraping reduction motor 1 together. The scraper brushes 402 are staggered on the rotating shaft to clean the inner wall of the filter element 5. Among them, the brush scraping reduction motor 1 is a combination of a motor and a reducer, and the rotational speed should be 100 - 200 revolutions per second.

[0024] The control box 6 in this embodiment includes a terminal block 601, a relay 602, a controller 603, a time controller 604, a power supply 605, a differential pressure transmitter 606 and an isolator 607. The differential pressure transmitter 606 is used to receive the pressure signal of the differential pressure tapping component 303, and together with the relay 602, the controller 603, the time controller 604 and the isolator 607, it forms an electric control system. The controller 603 is also electrically connected to the cock valve 201, and the terminal block 601 and the power supply 605 are connected by a circuit to provide working power for the entire device.

[0025] In the above embodiments, the filter element bottom plate 7 includes a card slot 701, a plate hole 702, and a shaft seat hole 703. The shaft seat hole 703 is used to receive the rotating shaft 403 in the brush scraping mechanism 4. The plate hole 702 is located at the bottom of the filter element 5. The outer side of the plate hole 702 is a large round hole, and the inner side is a small round hole. The part different from the purified water space 304 is non-porous. Dust particles can precipitate into the slag holding funnel 306 through the plate hole 702. There is a shaft seat hole 703 in the center of the filter element bottom plate 7, and there is a sliding bearing in the shaft seat hole 703 to fix the rotating shaft 403 and reduce the rotation resistance.

[0026] In the above embodiments, the spiral reamer conveying mechanism 8 includes a motor 801, a spiral reamer 802, and a discharge port 803. One end of the spiral reamer 802 is drivingly connected to the motor 801, and a discharge port 803 for discharging slag is arranged below the other end. Among them, the slag holding funnel 306 is used to store filter slag. A solenoid valve, a ball valve or a gate valve can be installed at the connection between the spiral reamer conveying mechanism 8 and the slag holding funnel 306 to separate the two parts of the space.

[0027] To further better explain and illustrate the embodiments of the present invention, a usage method of the automatic metal dust filtering and slag discharging device is also provided, including the following steps:

[0028] S1: After the circulating water enters the filtering body 3 through the water inlet 301, it is filtered by the filter element 5, the purified water flows into the purified water space 304, and the dust particles remain in the cavity of the filter element 5 and precipitate into the slag holding funnel 306 through the plate hole 702;

[0029] S2: When the dust particles in the slag holding funnel 306 gather to a certain position and submerge the bottom differential pressure tapping component 303, the water pump stops, and the differential pressure transmitter 606 transmits a signal to the controller 603;

[0030] S3: The controller 603 starts the plug valve 201 to drain water with compressed air, and at the same time opens the connection valve and starts the motor 801 of the spiral reamer conveying mechanism 8 to externally discharge the dust particles in the slag holding funnel 306.

[0031] In the above S1 - S3, the time can be set through the time controller 604 in the control box 6 to regularly start the brush scraping reduction motor 1, and the filter element 5 is brushed by the brush scraping mechanism 4 to prevent clogging of the holes.

[0032] In summary, the automatic metal dust filtering and slag discharging device and its usage method provided by the present invention have good applicability in the scenarios of water circulation filtering processes of equipment such as polishing, grinding, and shot blasting. The operation of the present invention is simple and does not require excessive human intervention, reducing the workload of pool cleaning, ensuring the normal and stable operation of the equipment. At the same time, zero wastewater discharge is achieved, blocking the risk of bacteria breeding in the circulating water, reducing the risk of occupational health and safety, and the entire equipment is small and easy to install and integrate, capable of adapting to the transformation of existing equipment, facilitating the improvement of the intelligent level of workshop equipment, energy conservation and emission reduction, and having good economic benefits.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. An automatic metal dust filtering and slag discharging device, characterized in that: It includes a brush scraping reduction motor (1), an upper cover (2), a filter body (3), a brush scraping mechanism (4), a filter element (5), a control box (6), a filter element bottom plate (7), a spiral auger conveying mechanism (8) and a base (9); the brush scraping reduction motor (1) is installed on the top of the upper cover (2), and a cock valve (201) for connecting compressed gas is provided on one side of the top of the upper cover (2); the output end of the brush scraping reduction motor (1) extends into the interior of the upper cover (2) for connecting to the brush scraping mechanism (4), the brush scraping mechanism (4) is located inside the filter element (5), the filter element (5) is installed inside the filter body (3), and the filter body (3) includes a water inlet (301), a filter element bearing plate (302), a differential pressure tapping component (303), a clean water space (304), a water outlet (305) and a slag holding funnel (306); the flange of the filter element bearing plate (302) and the card slot (701) of the filter element bottom plate (7) jointly fix the filter element (5) and form a clean water space (304); the differential pressure tapping components (303) are distributed on the upper side of the clean water space (304) and the upper end of the slag holding funnel (306), the water inlet (301) is located at the uppermost end of the filter body (3), and the water outlet (305) is located at the upper end of the differential pressure tapping component (303); both the differential pressure tapping component (303) and the cock valve (201) are electrically connected to the control box (6), and the control box (6) is installed on one side of the filter body (3) to realize the automatic operation of the whole device; the spiral auger conveying mechanism (8) is connected to the slag holding funnel (306) through a flange; the base (9) is used to support the filter body (3).

2. The automatic metal dust filtering and slag discharging device according to claim 1, wherein: The brush scraping mechanism (4) includes a coupling (401), a scraping brush (402) and a rotating shaft (403), the coupling (401) is used to connect the rotating shaft (403) with the output end of the brush scraping reduction motor (1), and the scraping brushes (402) are arranged staggeredly on the rotating shaft for cleaning the inner wall of the filter element (5).

3. An automatic metal dust filtering and slag discharging device according to claim 1, characterized in that: The control box (6) includes a terminal block (601), a relay (602), a controller (603), a time controller (604), a power supply (605), a differential pressure transmitter (606) and an isolator (607), the differential pressure transmitter (606) is used to receive the pressure signal of the differential pressure tapping component (303), and forms an electric control system with the relay (602), the controller (603), the time controller (604) and the isolator (607), the controller (603) is also electrically connected to the cock valve (201), and the terminal block (601) and the power supply (605) are connected by a circuit to provide working power for the whole device.

4. The automatic metal dust filtering and slag discharging device according to claim 1, characterized in that: The filter element bottom plate (7) includes a card slot (701), a plate hole (702) and a shaft seat hole (703), the shaft seat hole (703) is used to receive the rotating shaft (403) in the brush scraping mechanism (4), the plate hole (702) is located at the bottom of the filter element (5), the outer side of the plate hole (702) is a large round hole, the inner side is a small round hole, and the part different from the clean water space (304) is non-perforated.

5. The automatic metal dust filtering and slag discharging device according to claim 1, characterized in that: The spiral reamer conveying mechanism (8) includes a motor (801), a spiral reamer (802) and a discharge port (803). One end of the spiral reamer (802) is in transmission connection with the motor (801), and a discharge port (803) for discharging slag is arranged below the other end.

6. A method for using the automatic metal dust filtering and slag discharging device according to any one of claims 1-5, characterized in that: It includes the following steps: S1: After the circulating water enters the filtration body (3) through the water inlet (301), it is filtered by the filter element (5). The purified water flows into the purified water space (304), and the dust particles remain in the cavity of the filter element (5) and precipitate into the slag holding funnel (306) through the plate holes (702). S2: When the dust particles in the slag holding funnel (306) accumulate to a certain position and submerge the bottom differential pressure tapping component (303), the water pump stops, and the differential pressure transmitter (606) transmits a signal to the controller (603). S3: The controller (603) starts the globe valve (201) to drain water with compressed air. At the same time, the connecting valve is opened, and the motor (801) of the spiral reamer conveying mechanism (8) is started to externally discharge the dust particles in the slag holding funnel (306).

7. The usage method of an automatic metal dust filtering and slag discharging device according to claim 6, characterized in that: In S1 - S3, the time can be set through the time controller (604) in the control box (6) to start the brush deceleration motor (1) regularly, and the filter element (5) is brushed through the brush mechanism (4) to prevent clogging of the holes.

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