Sewage treatment device for steel smelting

Abstract

The utility model discloses a sewage treatment device for iron and steel smelting, which relates to the technical field of iron and steel smelting and comprises a separation box, adsorption mechanisms are symmetrically arranged in the separation box, each adsorption mechanism comprises a support fixedly mounted on the inner wall of the separation box, and a lower cavity and an upper cavity are formed in each support. A rotating roller is rotationally installed in the lower cavity, electromagnetic plates used for adsorbing scrap iron are fixedly installed on the two sides of the rotating roller, a scraping part is further arranged on the inner wall of the lower cavity, and the scraping part comprises an arc-shaped lifting plate installed in the support in an up-down sliding mode; and a plurality of uniformly distributed telescopic springs are fixedly mounted on the inner side of the lifting plate. According to the device, scrap iron in steel smelting sewage can be alternately adsorbed through the two electromagnetic plates, separation of the scrap iron is achieved, the scrap iron on the electromagnetic plates can be collected into the collecting box in cooperation with the scraping piece, follow-up recycling is facilitated, and resource waste is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel smelting, especially to a sewage treatment device for steel smelting. BACKGROUND

[0002] A large amount of sewage produced in the process of steel smelting mainly contains high-concentration suspended solids, heavy metal ions, acidic and alkaline substances, and part of the not completely removed iron filings. If the sewage is directly discharged without effective treatment, it will pollute the nearby water and soil, affect the ecological environment and the survival of aquatic organisms, and also damage the quality of water resources. At present, when treating the sewage produced in steel smelting, a physical filtration method is mainly used to remove suspended solids and solid impurities. However, this method will filter out the iron filings in the sewage, making it difficult to recycle the iron filings and easy to cause resource waste. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a sewage treatment device for steel smelting, which solves the technical problems proposed in the background art.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a sewage treatment device for steel smelting, comprising a separation tank, a suction mechanism is symmetrically arranged in the separation tank, the suction mechanism comprises a support fixedly installed on the inner wall of the separation tank, a lower chamber and an upper chamber are formed in the support, a rotating roller is rotatably installed in the lower chamber, an electromagnetic plate for adsorbing iron filings is fixedly installed on both sides of the rotating roller, a scraping piece is further arranged on the inner wall of the lower chamber, the scraping piece comprises an arc-shaped lifting plate slidingly installed in the support, a plurality of evenly distributed extension springs are fixedly installed on the inner side of the lifting plate, and an arc-shaped scraper with a trapezoidal cross section is jointly installed at the end of the extension springs.

[0005] Further, a lead screw is further rotatably installed in the support, and the lifting plate is threadedly sleeved on the outside of the lead screw.

[0006] Further, a first motor acting on the rotating roller and a second motor acting on the lead screw are installed in the upper chamber.

[0007] Further, a discharge hole communicating with the lower chamber is formed in the bottom wall of the separation tank, an electric door for plugging the discharge hole is slidingly installed at the bottom of the separation tank, a collection tank wrapped outside the electric door is further fixedly installed at the bottom of the separation tank, and a movable door plate is arranged on the side surface of the collection tank.

[0008] Further, a guide plate aligned with the support is further symmetrically installed in the separation tank.

[0009] Further, one end of the separation tank is provided with a water inlet pipe, and the other end of the separation tank is installed with a water outlet filter screen.

[0010] Further, the top of the separation tank is provided with a visual window.

[0011] By the above technical scheme, the sewage treatment device for steel smelting has at least the following beneficial effects:

[0012] 1. The sewage treatment device for steel smelting has at least the following beneficial effects:

[0013] 2. The sewage treatment device for steel smelting has at least the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 It is one of the overall structure schematic diagrams of the present application;

[0016] Figure 2 It is the second overall structure schematic diagram of the present application;

[0017] Figure 3 It is the internal structure schematic diagram of the separation tank of the present application;

[0018] Figure 4 It is the structure schematic diagram of the adsorption mechanism of the present application;

[0019] Figure 5 It is the bottom structure schematic diagram of the separation tank of the present application.

[0020] In the drawings: 1, separation tank; 2, adsorption mechanism; 21, support; 22, lower chamber; 23, upper chamber; 24, rotating roller; 25, electromagnetic plate; 26, material scraping piece; 261, lifting plate; 262, extension spring; 263, arc-shaped scraping plate; 27, lead screw; 28, first motor; 29, second motor; 3, collection box; 4, discharging hole; 5, electric door; 6, flow guide plate; 7, water inlet pipe; 8, water outlet filter screen; 9, visual window. DETAILED DESCRIPTION

[0021] Clearly and completely, the technical schemes in the embodiments of the utility model will be described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] At present, when treating the sewage produced by steel smelting, the suspended solids and solid impurities are mainly removed by physical filtration, but this method will filter out the iron filings in the sewage, it is difficult to recycle the iron filings, and it is easy to cause resource waste.

[0023] To solve the defects existing in the above treatment method, please refer to Figures 1-5The utility model provides a kind of sewage treatment device for steel smelting, iron filings in sewage can be separated, it is convenient to recycle and reuse iron filings.The sewage treatment device with a separation tank 1 as foundation, inside symmetry of separation tank 1 is equipped with adsorption mechanism 2, adsorption mechanism 2 includes fixed mounting in the inner wall of separation tank 1 support 21, lower chamber 22 and upper chamber 23 are opened in support 21, rotating roller 24 is rotatably mounted in the inside of lower chamber 22, both sides of rotating roller 24 are fixedly installed with electromagnetic plate 25 for adsorbing iron filings, control button is provided on separation tank 1, the energized state of two electromagnetic plates 25 can be controlled respectively, when electromagnetic plate 25 is powered on, magnetic force can be generated, when sewage flows through separation tank 1, iron filings in sewage can be adsorbed by electromagnetic plate 25, the inner wall of lower chamber 22 is also provided with scraping member 26, when a certain amount of iron filings is adsorbed on outside electromagnetic plate 25, stop water supply, first rotating roller 24 drives outside electromagnetic plate 25 to rotate to inside, then cut off electromagnetic plate 25 power, after electromagnetic plate 25 loses magnetic force, iron filings on electromagnetic plate 25 can drop by its gravity, since electromagnetic plate 25 and sewage also exist on iron filings, part of small iron filings may be attached on electromagnetic plate 25, and scraping member 26 is used to clean residual iron filings adsorbed on electromagnetic plate 25, for scraping off iron filings, scraping member 26 is set into arc-shaped lifting plate 261 of upper and lower sliding installation in support 21, a plurality of uniformly distributed telescopic springs 262 are fixedly installed in the inside of lifting plate 261, the end of a plurality of telescopic springs 262 is commonly installed with arc-shaped scraper 263 with trapezoidal cross section, the initial height of arc-shaped scraper 263 is higher than the height of rotating roller 24, lifting plate 261 can drive arc-shaped scraper 263 to slide up and down when lifting, since the cross section of arc-shaped scraper 263 is trapezoidal, and the side of arc-shaped scraper 263 close to rotating roller 24 has slope, when arc-shaped scraper 263 slides from top to bottom, can be extruded by electromagnetic plate 25 and move to the direction close to lifting plate 261, telescopic spring 262 deforms at this time, arc-shaped scraper 263 can be tightly attached to electromagnetic plate 25 by the elastic force of telescopic spring 262, with the sliding of arc-shaped scraper 263, residual iron filings on electromagnetic plate 25 can be scraped, then electromagnetic plate 25 can rotate to outside again to adsorb iron filings in sewage.

[0024] Since the above scraping member 26 in the process of cleaning iron filings on electromagnetic plate 25, lifting plate 261 drives arc-shaped scraper 263 to slide down along electromagnetic plate 25, therefore, rotating roller 27 is rotatably installed in the inside of support 21, lifting plate 261 is threadedly sleeved on the outside of screw rod 27, first motor 28 acting on rotating roller 24 and second motor 29 acting on screw rod 27 are installed in the inside of upper chamber 23, driving second motor 29 can drive screw rod 27 to rotate, so as to realize the up and down sliding of arc-shaped scraper 263, driving first motor 28 can drive rotating roller 24 to rotate, so as to realize the alternate operation of two electromagnetic plates 25, improve processing efficiency.

[0025] After the iron filings are cleaned from the electromagnetic plate 25, the iron filings need to be collected, in order to facilitate the collection of the iron filings, a discharging hole 4 in communication with the lower chamber 22 is formed in the bottom wall of the separation box 1, a motor door 5 for blocking the discharging hole 4 is slidably installed at the bottom of the separation box 1, and a collecting box 3 wrapped outside the motor door 5 is fixedly installed at the bottom of the separation box 1, and the side of the collecting box 3 is provided with a movable door plate, when the sewage flows, the motor door 5 is in a closed state, so that the sewage can be prevented from entering the collecting box 3 from the discharging hole 4, when the iron filings on the electromagnetic plate 25 are cleaned, the motor door 5 is in an open state, and the iron filings falling from the electromagnetic plate 25 can fall into the collecting box 3 from the discharging hole 4, and the staff can periodically open the movable door plate to recycle the iron filings.

[0026] In order to avoid the iron filings in the sewage from accumulating at the corner between the support 21 and the inner wall of the separation box 1, a guide plate 6 aligned with the support 21 is symmetrically installed in the separation box 1, and the inner side of the guide plate 6 is provided as a curved surface, so as to facilitate the guidance of the flow of the sewage.

[0027] When the iron filings are adsorbed, other solid impurities are also contained in the sewage, in order to treat these impurities, a water inlet pipe 7 is arranged at one end of the separation box 1, and a water outlet filter screen 8 is installed at the other end of the separation box 1, the sewage enters the separation box 1 from the water inlet pipe 7, and the iron filings in the sewage can be adsorbed by the electromagnetic plates 25 on both sides, when the sewage flows out of the separation box 1, the water outlet filter screen 8 can intercept the solid impurities in the sewage, the water outlet filter screen 8 is installed on the separation box 1 by bolts, clamping or other convenient dismounting modes, and the staff can periodically take down the water outlet filter screen 8 for cleaning.

[0028] Since the magnetic force of the electromagnetic plate 25 will be affected after adsorbing a certain amount of iron filings, in order to timely treat the iron filings on the electromagnetic plate 25, a visual window 9 is arranged at the top of the separation box 1, the staff can conveniently observe the state of the electromagnetic plate 25 through the visual window 9, and timely cleaning of the electromagnetic plate 25 can ensure the purification effect of the electromagnetic plate 25 on the iron filings.

[0029] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, therefore, the control mode and the circuit connection of the utility model will not be explained in detail.

[0030] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment plant for steel smelting, comprising a separation tank (1), characterised in that: The inside of the separation box (1) is symmetrically provided with an adsorption mechanism (2), the adsorption mechanism (2) comprises a support (21) fixedly installed on the inner wall of the separation box (1), a lower chamber (22) and an upper chamber (23) are formed in the support (21), a rotating roller (24) is rotatably installed in the lower chamber (22), electromagnetic plates (25) for adsorbing iron filings are fixedly installed on the two sides of the rotating roller (24), a scraping piece (26) is further arranged on the inner wall of the lower chamber (22), the scraping piece (26) comprises a circular-arc-shaped lifting plate (261) slidingly installed in the support (21), a plurality of uniformly distributed telescopic springs (262) are fixedly installed on the inner side of the lifting plate (261), and an arc-shaped scraping plate (263) with a trapezoidal cross section is jointly installed at the ends of the telescopic springs (262).

2. The wastewater treatment apparatus for steelmaking as claimed in claim 1, characterized by: A lead screw (27) is further rotatably installed in the support (21), and the lifting plate (261) is threadedly sleeved on the outer portion of the lead screw (27).

3. The wastewater treatment apparatus for steelmaking as claimed in claim 1, characterized by: A first motor (28) for driving the rotating roller (24) and a second motor (29) for driving the lead screw (27) are installed in the upper chamber (23).

4. The wastewater treatment apparatus for steelmaking as claimed in claim 1, characterized by: A discharge hole (4) is formed in the bottom wall of the separation box (1) and communicates with the lower chamber (22), an electric door (5) for sealing the discharge hole (4) is slidingly installed on the bottom of the separation box (1), and a collecting box (3) wrapped around the electric door (5) is further fixedly installed on the bottom of the separation box (1), and a movable door plate is arranged on the side of the collecting box (3).

5. The wastewater treatment apparatus for steelmaking as claimed in claim 1, characterized by: Symmetrical flow guide plates (6) aligned with the support (21) are further installed in the separation box (1).

6. The wastewater treatment apparatus for steelmaking as claimed in claim 1, characterized by: A water inlet pipe (7) is arranged at one end of the separation box (1), and a water outlet filter screen (8) is installed at the other end of the separation box (1).

7. The wastewater treatment apparatus for steelmaking as claimed in claim 1, characterized by: A visual window (9) is arranged on the top of the separation box (1). A visual window (9) is arranged on the top of the separation box (1).

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