CN220558635U - Metallurgical wastewater filtering device - Google Patents

Abstract

The utility model relates to a metallurgical wastewater filtering device which comprises a filtering box, a filtering screen, a stirring mechanism and a sweeping mechanism. One side of the filter box is provided with a discharge hole. The filter screen is arranged in the filter box and is opposite to the discharge port. The stirring mechanism is arranged above the filter screen. The sweeping mechanism is arranged between the filter screen and the stirring mechanism. The lower part of the sweeping mechanism can move along the thickness direction of the filter screen so as to press the filter screen. The stirring mechanism and the sweeping structure are additionally arranged, unfiltered metallurgical wastewater can be stirred through the stirring mechanism, so that metal and solid particles in the metallurgical wastewater are driven to float, the filter screen is prevented from being blocked by precipitation, meanwhile, the filter screen can be extruded through the sweeping mechanism, and metal and solid particles adsorbed on the filter screen are swept into a waste box, so that the filter screen is further prevented from being blocked, and the filtering efficiency is improved.

Description

Metallurgical wastewater filtering device

Technical Field

The utility model relates to the technical field of wastewater filtration, in particular to a metallurgical wastewater filtration device.

Background

A large amount of waste water is discharged in the metallurgical process, and mainly comprises cooling water, acid washing waste water, dust removal, coal gas, flue gas washing waste water, slag flushing waste water, waste water condensed, separated or overflowed from the production process and the like. These waste waters contain a large amount of suspended metals and solid particles, which are seriously damaged in the natural environment if not treated before being discharged, and thus the suspended metals and solid particles in the waste water need to be filtered out by a filtering device.

The metallurgical wastewater filtering device disclosed in the document of China application No. CN202123119973.1 can gradually filter wastewater in a multiple filtering mode, and can perform a solid-liquid separation process on the wastewater, so that suspended metals and solid particles can be removed and collected in the filtering process. However, in the filtering process, the mass of a large amount of suspended metal and solid particles is large, so that the suspended metal and the solid particles are easy to deposit and block the filter screen, meanwhile, the suspended metal and the solid particles are easy to adsorb on the filter screen, the suspended metal and the solid particles are difficult to sweep into a waste box only by virtue of a scraping plate, and the filter screen is gradually blocked for a long time, so that the filtering efficiency of metallurgical wastewater is reduced.

Therefore, the existing metallurgical wastewater filtering device has lower filtering efficiency.

Disclosure of Invention

The utility model provides a metallurgical wastewater filtering device, which aims to solve the problem of lower filtering efficiency of the metallurgical wastewater filtering device.

The metallurgical wastewater filtering device for realizing the purpose of the utility model comprises: the filter box is provided with a discharge hole at one side; the filter screen is arranged in the filter box and is opposite to the discharge port; the stirring mechanism is arranged above the filter screen and is used for stirring metallurgical wastewater to be filtered above the filter screen; the sweeping mechanism is arranged between the filter screen and the stirring mechanism; the lower part of the sweeping mechanism can move along the thickness direction of the filter screen so as to press the filter screen.

In some embodiments, the stirring mechanism comprises: the output end of the first rotating motor penetrates through the top wall of the filter box; the top surface of the rotating plate is coaxially connected with the output end of the first rotating motor; one end of the stirring rod is rotationally connected with the bottom surface of the rotating plate through a rotating connecting piece; and the stirring plate is arranged at the other end of the stirring rod.

In some embodiments, the stirring mechanism further comprises: one end of the limiting rod is connected with the inner side wall of the filter box; the limiting ring is arranged at the other end of the limiting rod; the limit ring is sleeved on the stirring rod so that the stirring rod can be obliquely arranged relative to the rotating plate.

In some embodiments, the rotational coupling comprises: the ball table is arranged on the side of the bottom surface of the rotating plate; the ball body is arranged at one end of the stirring rod, which is close to the rotating plate; the ball body is rotationally connected with the ball table.

In some of these embodiments, the sweeping mechanism comprises: the second rotating motor is arranged on the outer side wall of the filter box far away from the discharge hole, and the output end of the second rotating motor penetrates through the side wall of the filter box; one end of the lead screw is connected with the output end of the second rotating motor, and the other end of the lead screw is rotationally connected with the inner side wall of the filter box, which is far away from the second rotating motor; one end of the sliding plate is connected with the screw rod; the top surface of the brush plate is connected with the bottom surface of the sliding plate through a plurality of springs.

In some of these embodiments, the sweeping mechanism further comprises: the guide rod is arranged in the filter box and is parallel to the lead screw; one end of the sliding plate, which is far away from the screw rod, is in sliding connection with the guide rod.

In some embodiments, a plurality of sliding bars are arranged on the top surface of the brush plate; a plurality of through holes are uniformly formed in the sliding plate and correspond to the sliding rods one by one, and each sliding rod penetrates through the corresponding through hole in a sliding mode.

In some embodiments, the springs are in one-to-one correspondence with the sliding rods, and the springs are sleeved on the corresponding sliding rods.

In some embodiments, the end of the slide bar remote from the brush plate is provided with a stop.

In some embodiments, the metallurgical wastewater filtration device further comprises: the waste bin, one side of waste bin is equipped with the feed inlet, and feed inlet and discharge gate intercommunication are equipped with the water valve that ends between feed inlet and the discharge gate.

The utility model has the beneficial effects that:

compared with the existing metallurgical wastewater filtering device, the metallurgical wastewater filtering device provided by the utility model is additionally provided with the stirring mechanism and the sweeping structure, and unfiltered metallurgical wastewater can be stirred through the stirring mechanism, so that metal and solid particles in the metallurgical wastewater are driven to float, the filter screen is prevented from being blocked due to precipitation, and meanwhile, the filter screen can be extruded through the sweeping mechanism, so that metal and solid particles adsorbed on the filter screen are swept into a waste box, the filter screen is further prevented from being blocked, and the filtering efficiency is improved.

Drawings

FIG. 1 is a schematic illustration of the construction of some embodiments of the exterior of a metallurgical wastewater filtration device of the present utility model;

FIG. 2 is a structural elevation view of some embodiments of the interior of a metallurgical wastewater filtration device shown in FIG. 1;

FIG. 3 is a left side view of the construction of some embodiments of the interior of a metallurgical wastewater filtration device shown in FIG. 1;

FIG. 4 is a partial structural side view of some embodiments of the interior of the metallurgical wastewater filtration device of FIG. 1 shown in FIG. 1

Fig. 5 is an enlarged view of part of the interior a of a metallurgical wastewater filtration device shown in fig. 3.

In the drawing, 100, a filter box; 110. a water inlet pipe; 120. a water outlet pipe; 200. a waste bin; 210. a water stop valve; 300. filtering and screening; 400. a stirring mechanism; 410. a first rotating motor; 420. a rotating plate; 430. an agitating rod; 440. an agitating plate; 450. a limit rod; 460. a limiting ring; 500. a sweeping mechanism; 510. a second rotating motor; 520. a screw rod; 530. a slide plate; 540. brushing a plate; 541. a slide bar; 542. a stop block; 543. a spring; 550. a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axis," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, 2, 3, 4 and 5, a metallurgical wastewater filtering apparatus includes a filtering tank 100, a filtering screen 300, a stirring mechanism 400 and a sweeping mechanism 500. A discharge port is provided at one side of the filter box 100. The filter screen 300 is arranged in the filter box 100, and the filter screen 300 is opposite to the discharge hole. The stirring mechanism 400 is disposed above the filter screen 300. The sweeping mechanism 500 is arranged between the filter screen 300 and the stirring mechanism 400. The lower portion of the sweep mechanism 500 may be moved in the thickness direction of the filter screen 300 to press the filter screen 300.

Specifically, the filter box 100 has a hollow structure, and the side wall, the top wall and the bottom plate of the filter box 100 are surrounded to form a filter cavity for filtering metallurgical wastewater. The middle part in the filter chamber is provided with filter screen 300, and filter screen 300 is parallel with the bottom plate of rose box 100, accomplishes the installation of filter screen 300 through the four sides of filter screen 300 respectively with the four sides inside wall fixed connection of rose box 100, makes the top surface of filter screen 300 and the lateral wall and the roof of rose box 100 enclose into the preceding filter chamber that is used for holding unfiltered metallurgical waste water, makes the bottom surface of filter screen 300 and lateral wall and the bottom plate of rose box 100 enclose into the back filter chamber that is used for holding filtered metallurgical waste water. The discharge gate has been seted up at the middle part of one of them lateral wall of rose box 100, and this discharge gate just sets up to filter screen 300, and the lower extreme of discharge gate is less than filter screen 300's top surface, and the metal and the solid particle of being convenient for screen out are discharged through the discharge gate, and simultaneously, the lower extreme of discharge gate is higher than filter screen 300's bottom surface, avoids unfiltered metallurgical wastewater directly to get into the back filter chamber from the front filter chamber. The stirring mechanism 400 is arranged in the filter box 100, and is connected with the top wall of the filter box 100, so that the stirring mechanism 400 is positioned above the filter screen 300, and unfiltered metallurgical wastewater can be stirred, thereby driving metal and solid particles in the metallurgical wastewater to float, avoiding the excessive rapid precipitation of the metal and solid particles due to the excessive mass and further blocking the filter screen 300, and ensuring the filtering efficiency of the filter screen 300. The sweeping mechanism 500 is disposed in the filter box 100 and located between the filter screen 300 and the stirring mechanism 400, and can sweep metal and solid particles screened out from the filter screen 300 to a discharge port of the filter box 100. And, sweep the lower part of material mechanism 500 and can remove along the thickness direction of filter screen 300, when sweeping the lower part of material mechanism 500 and remove to filter screen 300 along the thickness direction of filter screen 300, the lower part of filter screen 300 can extrude on the top surface of filter screen 300, through applying pressure to filter screen 300, is convenient for sweep the less metal of volume and solid particle that is adsorbed on filter screen 300 and block on the screen mouth of filter screen 300 to the discharge gate, has further avoided filter screen 300 to be stopped up, has improved filtration efficiency.

Wherein a water inlet pipe 110 is provided at one side of the top wall of the filter box 100 for injecting unfiltered metallurgical wastewater into the front filter chamber of the filter box 100. A water outlet pipe 120 is provided at the bottom of one of the side walls of the filter tank 100 for discharging the filtered metallurgical wastewater in the rear filter chamber of the filter tank 100.

In some embodiments of the present utility model, stirring mechanism 400 includes a first rotary motor 410, a rotary plate 420, stirring rods 430, and stirring plates 440. The first rotating motor 410 is disposed on the top surface of the top wall of the filter box 100, and the output end of the first rotating motor 410 penetrates through the top wall of the filter box 100. The top surface of the rotating plate 420 is coaxially coupled to the output of the first rotating motor 410. One end of the stirring rod 430 is rotatably coupled to the bottom surface of the rotary plate 420 through a rotation coupling member. The agitating plate 440 is provided at the other end of the agitating rod 430.

Specifically, the first rotating motor 410 is disposed in the middle of the top surface of the top wall of the filter box 100, and the output end of the first rotating motor 410 penetrates through the top wall of the filter box 100 to the inside of the filter box 100. The top surface of the rotating plate 420 is fixedly connected with the output end of the first rotating motor 410 in a coaxial manner, so that the rotating plate 420 can rotate in the filter box 100 by taking the output end of the first rotating motor 410 as an axis. One end of the stirring rod 430 is rotatably connected to the side of the bottom surface of the rotating plate 420, and when the rotating plate 420 rotates, the stirring rod 430 is driven to rotate together, thereby stirring unfiltered metallurgical wastewater. One end of the stirring rod 430, which is far away from the rotating plate 420, is provided with a stirring plate 440, and when the stirring rod 430 rotates, the stirring plate 440 is driven to rotate together, the contact area with metallurgical wastewater is increased through the stirring plate 440, the metallurgical wastewater is more convenient to stir, and metal and solid particles in the metallurgical wastewater are easy to float. In addition, the stirring rod 430 is rotatably connected with the rotating plate 420 through the rotating connecting piece, so that the stirring rod 430 can be thrown up during rotation, the swing amplitude of the stirring rod 430 is increased, and the metallurgical wastewater is conveniently stirred.

In some embodiments of the present utility model, stirring mechanism 400 further includes a stop bar 450 and a stop collar 460. One end of the limit lever 450 is connected to the inner sidewall of the filter box 100. The stop collar 460 is disposed at the other end of the stop lever 450. The limiting ring 460 is sleeved on the stirring rod 430, so that the stirring rod 430 can be obliquely arranged relative to the rotating plate 420.

Specifically, one end of the limiting rod 450 is fixedly connected to the inner side wall of one surface of the filter box 100, and the other end faces the center of the filter box 100. The end of the limiting rod 450, which is close to the rotating plate 420, is provided with a limiting ring 460, so that the limiting ring 460 is arranged opposite to the middle part of the bottom surface of the rotating plate 420. And, stirring rod 430 wears to locate spacing ring 460 setting, makes spacing ring 460 cover locate on stirring rod 430's the lateral wall to make the slope setting between stirring rod 430 and the commentaries on classics board 420, make and form the contained angle between stirring rod 430 and the commentaries on classics board 420, and then increased the swing range when stirring rod 430 rotates, simultaneously, also guaranteed stirring rod 430 stability when rotating, avoided stirring rod 430 to swing at will.

It should be noted that, the inner diameter of the limiting ring 460 is larger than the outer diameter of the stirring rod 430, so as to avoid the blocking between the limiting ring 460 and the stirring rod 430 and thus to influence the rotation of the stirring rod 430.

In some embodiments of the utility model, the rotational coupling comprises a table and a sphere. The table is fixedly arranged on the side of the bottom surface of the rotating plate 420. The ball is fixedly disposed at one end of the stirring rod 430 near the rotating plate 420. The ball is rotatably coupled to the table, thereby rotatably coupling the stirring rod 430 to the rotating plate 420.

In some embodiments of the present utility model, the sweeping mechanism 500 includes a second rotating motor 510, a screw 520, a sliding plate 530, and a brushing plate 540. The second rotating motor 510 is arranged on the outer side wall of the filter box 100, which is far away from the discharge port, and the output end of the second rotating motor 510 penetrates through the side wall of the filter box 100. One end of the screw 520 is connected to an output end of the second rotary motor 510, and the other end is rotatably connected to an inner side wall of the filter box 100 remote from the second rotary motor 510. One end of the sliding plate 530 is connected to the screw 520. The top surface of the brush plate 540 is connected to the bottom surface of the slide plate 530 through a plurality of springs 543.

Specifically, the second rotating motor 510 is disposed on an outer sidewall of the filter box 100 away from the discharge port, and an output end of the second rotating motor 510 is disposed through the sidewall of the filter box 100 to the inside of the filter box 100. One end of the screw 520 is connected with the output end of the second rotating motor 510, and the other end extends to the position where the discharge hole is located and is rotationally connected with the inner side wall of the filter box 100 far away from the second rotating motor 510, so that the screw 520 can rotate under the action of the second rotating motor 510. One end of the sliding plate 530 is sleeved on the screw 520, and when the screw 520 rotates, the sliding plate 530 moves between the inner side walls of the two opposite filter boxes 100. The top surface of brush board 540 is connected with the bottom surface of slide 530 through a plurality of springs 543, and when slide 530 removed, can drive brush board 540 and remove together, simultaneously, under the effect of a plurality of springs 543, make brush board 540's brush hair end and the top surface butt of filter screen 300 to extrude filter screen 300, thereby make metal and the solid particle that adsorbs on filter screen 300 more easily swept the discharge gate.

In some embodiments of the present utility model, the sweeping mechanism 500 further includes a guide bar 550. The guide rod 550 is also disposed in the filter box 100, the guide rod 550 is parallel to the screw 520 and at the same height, and two ends of the guide rod 550 are fixedly connected with the inner side wall of the filter box 100. One end of the sliding plate 530 far away from the screw rod 520 is sleeved on the outer side wall of the guide rod 550, the sliding plate 530 is in sliding connection with the guide rod 550, the moving direction of the sliding plate 530 is limited through the guide rod 550, and the sliding plate 530 is prevented from rotating along with the rotation of the screw rod, so that the cleaning effect of the brush plate 540 is prevented from being influenced.

In some embodiments of the present utility model, a plurality of sliding bars 541 are provided on the top surface of the brush plate 540. The sliding plate 530 is uniformly provided with a plurality of through holes, the through holes are in one-to-one correspondence with the sliding rods 541, and each sliding rod 541 is slidably inserted into the corresponding through hole. The springs 543 are in one-to-one correspondence with the sliding rods 541, and the springs 543 are sleeved on the corresponding sliding rods 541.

Specifically, a plurality of sliding bars 541 are vertically provided on the top surface of the brush plate 540, and the plurality of sliding bars 541 are uniformly arranged along the body length direction of the brush plate 540. The sliding plate 530 is provided with a plurality of through holes, the through holes are uniformly distributed along the length direction of the sliding plate 530, and the through holes are opposite to the sliding rods 541 from top to bottom, and each sliding rod 541 can penetrate through the corresponding through hole and slide along the through hole, so that the moving direction of the brushing plate 540 in the thickness direction of the filter screen 300 is limited, and the offset is avoided. The springs 543 are in one-to-one correspondence with the slide bars 541, so that each spring 543 is sleeved on the outer side wall of the corresponding slide bar 541, and the expansion angle of the spring 543 is further limited.

In some embodiments of the present utility model, a stop 542 is provided at an end of the slide bar 541 remote from the brush plate 540. The stopper 542 restricts the movement distance of the brush plate 540, and prevents the brush plate 540 from falling off the slide plate 530.

In some embodiments of the present utility model, a feed inlet is provided at one side of the waste bin 200, the feed inlet is communicated with a discharge outlet, and a water stop valve 210 is provided between the feed inlet and the discharge outlet.

Specifically, the waste bin 200 is of a hollow structure, the side wall, the top wall and the bottom plate of the waste bin 200 are surrounded to form a containing cavity for containing metal and solid particles, the top of one side wall of the waste bin 200 is provided with a feed inlet, the feed inlet is arranged opposite to the discharge outlet by fixing the waste bin 200 on the outer side wall of the filter bin 100, the discharge outlet is communicated with the feed inlet, and the metal and solid particles discharged from the discharge outlet can enter the containing cavity of the waste bin 200 through the feed inlet. When the water stop valve 210 is arranged between the feeding port and the discharging port and is used for filtering metallurgical wastewater, the water stop valve 210 can be closed to prevent unfiltered metallurgical wastewater from flowing into the accommodating cavity of the waste bin 200, and after the filtering is completed, the water stop valve 210 is opened to enable metal and solid particles to enter the accommodating cavity of the waste bin 200.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," "one particular embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present utility model is not limited to the above preferred embodiments, and any person skilled in the art, within the scope of the present utility model, may apply to the present utility model, and equivalents and modifications thereof are intended to be included in the scope of the present utility model.

Claims (7)

1. A metallurgical wastewater filtration device, comprising:

the filter box is provided with a discharge hole at one side;

the filter screen is arranged in the filter box and is opposite to the discharge port;

the stirring mechanism is arranged above the filter screen and is used for stirring metallurgical wastewater to be filtered above the filter screen;

the sweeping mechanism is arranged between the filter screen and the stirring mechanism;

the lower part of the sweeping mechanism can move along the thickness direction of the filter screen so as to press the filter screen;

the stirring mechanism comprises:

the output end of the first rotating motor penetrates through the top wall of the filter box;

the top surface of the rotating plate is coaxially connected with the output end of the first rotating motor;

one end of the stirring rod is rotationally connected with the bottom surface of the rotating plate through a rotating connecting piece;

the stirring plate is arranged at the other end of the stirring rod;

the stirring rod is rotationally connected with the rotating plate through a rotating connecting piece, so that the stirring rod can be thrown up when rotating;

the stirring mechanism further comprises:

one end of the limiting rod is connected with the inner side wall of the filter box;

the limiting ring is arranged at the other end of the limiting rod;

the limiting ring is sleeved on the stirring rod so that the stirring rod can be obliquely arranged relative to the rotating plate;

the sweeping mechanism comprises:

the second rotating motor is arranged on the outer side wall of the filter box, which is far away from the discharge hole, and the output end of the second rotating motor penetrates through the side wall of the filter box;

one end of the lead screw is connected with the output end of the second rotating motor, and the other end of the lead screw is rotationally connected with the inner side wall of the filter box, which is far away from the second rotating motor;

one end of the sliding plate is connected with the lead screw;

the top surface of the brush plate is connected with the bottom surface of the sliding plate through a plurality of springs.

2. The metallurgical wastewater filtration device of claim 1, wherein the rotary connection comprises:

the ball table is arranged on the side of the bottom surface of the rotating plate;

the ball body is arranged at one end of the stirring rod, which is close to the rotating plate;

the ball body is rotationally connected with the ball table.

3. The metallurgical wastewater filtration device of claim 1, wherein the sweep mechanism further comprises:

the guide rod is arranged in the filter box and is parallel to the lead screw;

and one end of the sliding plate, which is far away from the screw rod, is in sliding connection with the guide rod.

4. A metallurgical wastewater filtration device according to claim 1 or claim 3, wherein the top surface of the brush plate is provided with a plurality of slide bars;

and a plurality of through holes are uniformly formed in the sliding plate and correspond to the sliding rods one by one, and each sliding rod is arranged in the corresponding through hole in a sliding manner.

5. The metallurgical wastewater filtering device according to claim 4, wherein a plurality of springs are in one-to-one correspondence with a plurality of slide bars, and the springs are sleeved on the corresponding slide bars.

6. The metallurgical wastewater filtration device of claim 5, wherein the end of the slide bar remote from the brush plate is provided with a stop.

7. The metallurgical wastewater filtration device of claim 1, wherein the metallurgical wastewater filtration device further comprises:

the waste bin, one side of waste bin is equipped with the feed inlet, the feed inlet with the discharge gate intercommunication, just the feed inlet with be equipped with the water stop valve between the discharge gate.