CN218458748U - Chemical wastewater filtering device with self-cleaning function - Google Patents

Abstract

A chemical industry waste water filter equipment with self-cleaning function includes: the device comprises a box body, a bottom plate, a discharge pipe, a filter screen cleaning mechanism and a dirt recycling mechanism; the box body is internally provided with a filtering space, the top wall and the bottom wall of the box body are respectively provided with a water inlet and a water outlet, and the box body is fixedly arranged on the upper side surface of the bottom plate; the bottom plate is provided with a through hole at a position corresponding to the water outlet; the discharge pipe is fixedly arranged in the water outlet and the through opening in a penetrating way; the filter screen is horizontally arranged in the filter space; the filter screen cleaning mechanism is arranged in the filter space and positioned above the filter screen, the lower end part of the scraper blade of the filter screen cleaning mechanism is contacted with the upper side surface of the filter screen, and the scraper blade can be driven to reciprocate so that the lower end part of the scraper blade can scrape off dirt deposited on the upper side surface of the filter screen; the box lateral wall of filter screen top has seted up the filth export on, and the filth is retrieved the mechanism and is set up in the box outside and with filth export intercommunication, is struck off and the filth of propelling movement carries to the filth via the filth export by the tip under the scraper blade and retrieves the mechanism. Accordingly, the filter screen is prevented from being blocked by the filtered dirt.

Description

Chemical wastewater filtering device with self-cleaning function

Technical Field

The utility model belongs to the technical field of waste water filtering technique and specifically relates to a chemical industry wastewater filter equipment with self-cleaning function is related to.

Background

The pure water changes the original physical property or chemical property after being used, and becomes wastewater containing different kinds of impurities, and the chemical wastewater is process wastewater, cooling water, waste gas washing water, equipment and site washing water and the like discharged in chemical production. If the chemical wastewater is directly discharged without treatment, the chemical wastewater can cause pollution of different properties and different degrees to water bodies in natural water areas, thereby harming the natural environment and the health of animals and human beings and influencing the industrial and agricultural production. Therefore, when chemical wastewater is treated, a filtering device is generally required to filter and remove the contaminant and impurities in the chemical wastewater. However, in practical application, the filtering device is easily blocked by dirt and impurities in the chemical wastewater, so that the filtering speed is reduced, and the treatment efficiency of the chemical wastewater is seriously influenced.

Therefore, how to develop a filtering apparatus capable of preventing the filtering apparatus from being blocked by the dirt and impurities in the chemical wastewater has become one of the important technical problems to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

The technical problem that this technical scheme will solve is, how to provide a chemical industry waste water filter equipment who crosses filter reason mechanism from taking to prevent that its inside filtering mechanism from being blockked up by filterable filth impurity, thereby ensure efficient chemical industry waste water treatment efficiency.

In order to solve the above technical problem, the present technical solution provides a chemical wastewater filtering apparatus with a self-cleaning function, which comprises: the device comprises a box body, a bottom plate, a discharge pipe, a filter screen cleaning mechanism and a dirt recycling mechanism; the water inlet and the water outlet which are communicated with the filtering space are respectively formed in the top wall and the bottom wall of the box body, and the box body is fixedly arranged on the upper side surface of the bottom plate; a through hole correspondingly communicated with the water outlet is formed in the position, corresponding to the water outlet, of the bottom plate; the upper end part of the discharge pipe is fixedly penetrated in the water outlet and the through port so as to communicate the discharge pipe with the filtering space; the filter screen is horizontally arranged in the filter space; the filter screen cleaning mechanism is arranged in the filter space and positioned above the filter screen, the lower end part of a scraper of the filter screen cleaning mechanism is contacted with the upper side surface of the filter screen, and the scraper can be driven to reciprocate along the direction parallel to the filter screen so that the lower end part of the scraper can scrape off dirt deposited on the upper side surface of the filter screen; the side wall of the box body above the filter screen is provided with a dirt outlet communicated with the filter space, the dirt recovery mechanism is arranged outside the box body and communicated with the dirt outlet, and the dirt scraped and pushed by the lower end of the scraper blade is conveyed to the dirt recovery mechanism through the dirt outlet. Therefore, the scraper of the filter screen cleaning mechanism can timely scrape off the dirt deposited on the upper side surface of the filter screen so as to prevent the filter screen from being blocked by the dirt to influence the filtering speed of the chemical wastewater, thereby ensuring the high-efficiency treatment efficiency of the chemical wastewater; the dirt recovery mechanism can properly collect the dirt scraped by the scraper so as to facilitate the subsequent treatment of the dirt and prevent the pollution to the surrounding environment.

As another implementation of this technical solution, this filter screen cleaning mechanism is by the motor mounting panel, including a motor, an end cap, a controller, and a cover plate, the installation frame, reciprocal lead screw, ball nut pair and scraper blade constitute, wherein, the motor mounting panel sets up in the lateral surface of box lateral wall, the motor is fixed to install on the motor mounting panel, the installation frame level to fixed setting in filter space and be located the top of filter screen, reciprocal lead screw passes through the bearing and rotatable installs on the installation frame and the one end of reciprocal lead screw is worn out installation frame and box lateral wall and is connected with the drive end of motor, ball nut pair cover is located on reciprocal lead screw, the scraper blade is fixed to be set up in ball nut pair's lower part, through the rotatory so that ball nut pair drives the scraper blade along the direction reciprocating motion of reciprocal lead screw of motor drive reciprocal lead screw. Therefore, under the drive of the motor, the connecting and driving structure is arranged by the aid of the sleeving of the reciprocating screw rod and the ball nut pair, so that the scraper can move back and forth smoothly, and the lower end part of the scraper can efficiently scrape off dirt deposited on the upper side surface of the filter screen.

As another implementation of the technical solution, the box body is rectangular, the mounting frame is composed of two parallel longitudinal rods and a plurality of horizontal rods uniformly and parallel fixedly connected between the two longitudinal rods, and the two longitudinal rods and the horizontal rods surround to form a plurality of through holes, the two longitudinal rods are respectively and fixedly disposed on inner sides of two opposite side walls of the box body to horizontally and fixedly dispose the mounting frame in the filtering space, the motor mounting plate is disposed on an outer side of a side wall of the box body to which one of the longitudinal rods is fixed, lower sides of the plurality of horizontal rods are both upwardly concave and respectively form a plurality of sliding chutes, the reciprocating screw rods are rotatably mounted in the sliding chutes of one of the horizontal rods through bearings, one end of the reciprocating screw rod penetrates through one of the longitudinal rods and the side wall of the box body to be connected with a driving end of the motor, the ball nut pair is disposed in the sliding chute of one of the horizontal rods and sleeved on the reciprocating screw rod, the scraper is bar-shaped and is disposed perpendicular to the horizontal rods, an upper portion of the scraper is fixedly combined with the ball nut pair, and the other sliding blocks are slidably disposed in the sliding chutes corresponding to the other portions of the scraper that are not disposed with the reciprocating screw rods. In view of the above, enclose through the several that establishes formation by these two vertical poles and several horizontal poles and run through the mouth and can make the chemical industry waste water that gets into by the water inlet pass the installation frame and arrive the filter screen smoothly, and set up reciprocal lead screw and ball nut pair and can effectively prevent chemical industry waste water to reciprocal lead screw and ball nut pair negative effects (corruption, dirt etc.) that cause in the spout that upwards caves in the lower side of one of them horizontal pole, in addition, the sliding construction is established to the inlaying of using slider and spout can further ensure the steady movement operation of scraper blade.

In another embodiment of the present invention, the blade has an inverted triangular cross-section. The contact area between the lower end part of the scraper and the upper side surface of the filter screen is smaller, so that the scraper can scrape the dirt on the upper side surface of the filter screen.

As another kind of implementation of this technical scheme, this filth recovery mechanism comprises two collecting ponds and two honeycomb ducts, and the quantity of filth export is two and set up respectively on two relative lateral walls of the box that is located scraper blade moving direction of filter screen top, and these two collecting ponds set up respectively on being located the last side of the bottom plate in two filth export outsides, and two filth exports are connected respectively to the one end of these two honeycomb ducts, and the other end of these two honeycomb ducts communicates with each other with the upper portion connection of two collecting ponds respectively. Therefore, the dirt scraped by the scraper can be conveyed to the collecting tank through the dirt outlet and the flow guide pipe for collection.

As another implementation of the technical scheme, the middle part of the collecting tank is horizontally provided with a filtering barrier layer. Accordingly, the filtering blocking layer can filter and separate the dirt again so as to facilitate subsequent treatment.

As another implementation of the technical scheme, valves are respectively arranged on the two flow guide pipes. Therefore, the mode control of cleaning the filter screen by an operator is facilitated.

As another implementation of the technical scheme, the water inlet is provided with a funnel-shaped water inlet hopper communicated with the filtering space. Therefore, the chemical wastewater is conveniently introduced into the box body and prevented from splashing outside.

As another implementation of the technical solution, the filter screen is composed of two layers of filter screens and activated carbon particles sandwiched between the two layers of filter screens. Therefore, the filter screen can form better filtering and adsorbing effects on the dirt in the chemical wastewater.

As another implementation of the technical scheme, a plurality of supporting columns are uniformly arranged at the position, close to the edge, of the lower side surface of the bottom plate. In view of the above, can rise the bottom plate, on the firm basis of chemical wastewater filter equipment is stable guaranteeing, the chemical wastewater's after the filtration operation of discharging of being more convenient for.

Drawings

FIG. 1 is a front cross-sectional view of the chemical wastewater filtering device with self-cleaning function;

fig. 2 is a schematic perspective view of the mounting frame of the present invention with its lower side facing upward after being turned;

fig. 3 is a perspective view of the scraper of the present invention.

Symbolic illustration in the drawings:

1. a chemical wastewater filtering device with a self-cleaning function; 10. a box body; 11. filtering the space; 12. a water inlet hopper; 13. a dirt outlet; 20. a base plate; 30. a discharge pipe; 40. a filter screen; 51. a motor mounting plate; 52. a motor; 53. a mounting frame; 531. a longitudinal bar; 532. a cross bar; 533. a chute; 534. a through opening; 54. a reciprocating screw rod; 55. a ball nut pair; 56. a squeegee; 561. a slider; 61. a collection tank; 611. filtering the barrier layer; 62. a flow guide pipe; 70. and (4) a support column.

Detailed Description

The following detailed description and technical contents of the present invention are described with reference to the drawings, but the drawings are only for reference and illustration and are not intended to limit the present invention.

As shown in FIG. 1, it is a specific embodiment of the chemical wastewater filtering device with self-cleaning function of the present invention. This chemical wastewater filter equipment 1 with self-cleaning function (hereinafter referred to as chemical wastewater filter equipment 1) includes box 10, bottom plate 20, delivery pipe 30, filter screen 40, filter screen clearance mechanism and filth recovery mechanism. Wherein, the inside filter space 11 that has of box 10, the communicating water inlet (not marked in the figure) and the delivery port (not marked in the figure) with filter space 11 are seted up respectively to the roof and the diapire of box 10, and can be provided with in this water inlet and be hopper-shaped's water inlet hopper 12 to introduce chemical wastewater to the inside of box 10 and prevent to spatter outward, box 10 is fixed to be set up on the up side of bottom plate 20. The bottom plate 20 is provided with a through hole (not shown) corresponding to the water outlet. The upper end of the discharge pipe 30 is fixed to the water outlet and the through hole, so that the discharge pipe 30 communicates with the filtering space 11, and the lower end of the discharge pipe 30 is connected to a subsequent waste water treatment device (not shown) for subsequent waste water treatment. The filtering net 40 is horizontally disposed in the filtering space 11, in this embodiment, the filtering net 40 may be composed of two layers of filtering nets (not shown) and activated carbon particles (not shown) sandwiched between the two layers of filtering nets, so as to form a better filtering and adsorbing effect on the dirt in the chemical wastewater. In addition, the filtering net 40 can be detachably mounted on the inner side of the sidewall of the box 10 by fastening structures (not shown) such as a combination of bolts and bolt holes. The screen cleaning mechanism is disposed in the filtering space 11 and above the filtering screen 40, the lower end of a scraper 56 of the screen cleaning mechanism is in contact with the upper side of the filtering screen 40, and the scraper 56 can be driven to reciprocate in a direction parallel to the filtering screen 40, so that the lower end of the scraper 56 scrapes off the dirt deposited on the upper side of the filtering screen 40. The side wall of the box body 10 above the filter screen 40 is provided with a dirt outlet 13 communicated with the filter space 11, the dirt recovery mechanism is arranged outside the box body 10 and communicated with the dirt outlet 13, and the dirt scraped and pushed by the lower end of the scraper 56 is conveyed to the dirt recovery mechanism through the dirt outlet 13.

Specifically, as shown in fig. 2 and 3, in the present embodiment, the screen cleaning mechanism may be composed of a motor mounting plate 51, a motor 52, a mounting frame 53, a reciprocating screw 54, a ball nut pair 55, and a scraper 56. The motor mounting plate 51 is disposed on the outer side surface of the side wall of the box 10, the motor 52 is fixedly mounted on the motor mounting plate 51, the mounting frame 53 is horizontally and fixedly disposed in the filtering space 11 and located above the filtering screen 40, the reciprocating screw 54 is rotatably mounted on the mounting frame 53 through a bearing, one end of the reciprocating screw 54 penetrates through the mounting frame 53 and the side wall of the box 10 and is connected to the driving end of the motor 52, the ball nut pair 55 is sleeved on the reciprocating screw 54, the scraper 56 is fixedly disposed at the lower portion of the ball nut pair 55, and the reciprocating screw 54 is driven by the motor 52 to rotate so that the ball nut pair 55 drives the scraper 56 to reciprocate along the direction of the reciprocating screw 54. Under the driving of the motor 52, the scraper 56 can move back and forth smoothly by the sleeve connection driving structure of the reciprocating screw 54 and the ball nut pair 55, so that the lower end of the scraper 56 can efficiently scrape off the dirt deposited on the upper side of the filter screen 40.

More specifically, the box 10 is rectangular, the mounting frame 53 is composed of two parallel vertical rods 531 and a plurality of horizontal rods 532 uniformly and parallelly fixedly connected between the two vertical rods 531, and a plurality of through holes 534 are formed by the two vertical rods 531 and the horizontal rods 532. The two vertical bars 531 are fixedly disposed on inner surfaces of two opposite sidewalls of the cabinet 10, respectively, to horizontally fix the mounting frame 53 in the filtering space 11. The motor mounting plate 51 is provided on an outer side surface of a side wall of the case 10 to which one of the vertical bars 531 is fixed. As shown in fig. 2, the lower side surfaces of the plurality of crossbars 532 are both recessed upwards to form a plurality of sliding grooves 533, two ends of the reciprocating screw rod 54 are rotatably mounted in the sliding grooves 533 of one of the crossbars 532 through bearings (not shown), and one end of the reciprocating screw rod 54 penetrates through one of the vertical rods 531 and the side wall of the box 10 to be connected with the driving end of the motor 52. As shown in fig. 3, the ball nut pair 55 is located in the sliding slot 533 of one of the crossbars 532 and is sleeved on the reciprocating screw 54, the scraper 56 is in a bar shape and is arranged horizontally perpendicular to the crossbars 532, the upper portion of the scraper 56 is fixedly combined with the ball nut pair 55, and the upper portion of the scraper 56 is further provided with a plurality of sliders 561 corresponding to the other sliding slots 533 where the reciprocating screw 54 is not located, and the plurality of sliders 561 are slidably embedded in the other sliding slots 533. Accordingly, the plurality of through holes 534 defined by the two vertical rods 531 and the plurality of horizontal rods 532 can make the chemical wastewater entering from the water inlet pass through the mounting frame 53 and smoothly reach the filter screen 40, and the reciprocating screw 54 and the ball nut pair 55 are disposed in the sliding groove 533 formed by the upward concave lower side of one of the horizontal rods 532, so as to effectively prevent the chemical wastewater from having negative effects (corrosion, dirt, etc.) on the reciprocating screw 54 and the ball nut pair 55, and in addition, the stable moving operation of the scraper 56 can be further ensured by applying the embedded sliding structure of the sliding block 561 and the sliding groove 533.

Furthermore, as shown in fig. 3, the cross section of the scraper 56 is an inverted triangle, and the lower end of the scraper 56 has a smaller contact area with the upper side of the filter screen 40, so as to facilitate the scraper 56 to scrape off the dirt on the upper side of the filter screen 40.

In this embodiment, as shown in fig. 1, the dirt recycling mechanism may be composed of two collecting pools 61 and two flow guiding pipes 62. Wherein, the number of filth export 13 is two and opens respectively on two relative lateral walls of box 10 that are located scraper 56 moving direction above filter screen 40, these two collecting ponds 61 set up respectively on the upper flank that is located the bottom plate 20 of two filth exports 13 outsides, two filth exports 13 are connected respectively to the one end of these two honeycomb ducts 62, the other end of these two honeycomb ducts 62 is connected with the upper portion of two collecting ponds 61 respectively and communicates with each other to this can be carried the filth that is scraped by scraper 56 to collecting pond 61 in through filth export 13 and honeycomb duct 62 and collect.

Furthermore, the middle part of the collecting tank 61 may be horizontally provided with a filtering barrier layer 611, the filtering barrier layer 611 may filter and separate the scraped dirt again, the separated dirt is blocked on the filtering barrier layer 611 so as to be collected and removed, and the separated chemical wastewater may enter the bottom space of the collecting tank 61, and then may be re-injected into the tank 10 for filtering. The filtering barrier 611 may be formed of a finer mesh (not shown) and activated carbon particles (not shown).

Furthermore, the two flow guide pipes 62 can be respectively provided with a valve (not shown), and an operator can start the filter screen cleaning mechanism and open the two valves while filtering the chemical wastewater, so as to clean the dirt in the chemical wastewater filtering process; or the operating personnel also can close filter screen clearance mechanism and two valves at chemical industry waste water filtration in-process, treat chemical industry waste water and filter after, filter screen clearance mechanism and two valves are opened again when the siltation has a certain amount of filth on the filter screen to carry out the clearance operation to the filth.

In addition, the position that the downside of bottom plate 20 in this embodiment is close to the edge still can be even be provided with several support column 70 to this can rise the bottom plate, on the firm basis of the chemical wastewater filter equipment 1 stability of guaranteeing, the discharge operation of the chemical wastewater after the filtration of being more convenient for.

To sum up, the chemical wastewater filtering device of the utility model can scrape off the filth deposited on the upper side of the filter screen in time through the scraper of the filter screen cleaning mechanism, so as to prevent the filter screen from being blocked by the filth to influence the filtering speed of the chemical wastewater, thereby ensuring the efficient treatment efficiency of the chemical wastewater; the dirt recovery mechanism can properly collect the dirt scraped by the scraper so as to facilitate the subsequent treatment of the dirt and prevent the pollution to the surrounding environment.

Above only be the preferred embodiment of the utility model discloses a not be used for injecing the utility model discloses a patent range, other applications the utility model discloses an equivalent change that the patent design was done all should belong to the patent protection scope of the utility model.

Claims (10)

1. A chemical industry waste water filter equipment with self-cleaning function includes: the device comprises a box body, a bottom plate, a discharge pipe and a filter screen; the box body is internally provided with a filtering space, the top wall and the bottom wall of the box body are respectively provided with a water inlet and a water outlet which are communicated with the filtering space, and the box body is fixedly arranged on the upper side surface of the bottom plate; the bottom plate is provided with a through hole corresponding to the water outlet at a position corresponding to the water outlet; the upper end part of the discharge pipe is fixedly arranged in the water outlet and the through hole in a penetrating way so as to enable the discharge pipe to be communicated with the filtering space; the filter screen is horizontally arranged in the filter space; it is characterized by also comprising: a filter screen cleaning mechanism and a dirt recycling mechanism; the filter screen cleaning mechanism is arranged in the filtering space and positioned above the filter screen, the lower end part of a scraper of the filter screen cleaning mechanism is in contact with the upper side surface of the filter screen, and the scraper can be driven to reciprocate along the direction parallel to the filter screen so as to enable the lower end part of the scraper to scrape off dirt deposited on the upper side surface of the filter screen; the side wall of the box body above the filter screen is provided with a dirt outlet communicated with the filter space, the dirt recovery mechanism is arranged outside the box body and communicated with the dirt outlet, and the dirt scraped and pushed by the lower end of the scraper blade is conveyed to the dirt recovery mechanism through the dirt outlet.

2. The chemical wastewater filtering device with the self-cleaning function according to claim 1, wherein the filter screen cleaning mechanism is composed of a motor mounting plate, a motor, a mounting frame, a reciprocating screw, a ball nut pair and the scraper, the motor mounting plate is arranged on the outer side surface of the side wall of the box body, the motor is fixedly arranged on the motor mounting plate, the mounting frame is horizontally and fixedly arranged in the filtering space and above the filter screen, the reciprocating screw is rotatably arranged on the mounting frame through a bearing, one end of the reciprocating screw penetrates through the mounting frame and the side wall of the box body and is connected with a driving end of the motor, the ball nut pair is sleeved on the reciprocating screw, the scraper is fixedly arranged at the lower part of the ball nut pair, and the reciprocating screw is driven by the motor to rotate so that the ball nut pair drives the scraper to reciprocate along the direction of the reciprocating screw.

3. The chemical wastewater filtering device with the self-cleaning function according to claim 2, wherein the box body is rectangular, the mounting frame is composed of two parallel longitudinal rods and a plurality of transverse rods uniformly and parallelly fixedly connected between the two longitudinal rods, and a plurality of through holes are formed by enclosing the two longitudinal rods and the transverse rods, the two longitudinal rods are respectively and fixedly arranged on inner sides of two opposite side walls of the box body so as to horizontally and fixedly arrange the mounting frame in the filtering space, the motor mounting plate is arranged on an outer side surface of a side wall of the box body on which one longitudinal rod is fixed, lower sides of the plurality of transverse rods are respectively and upwardly concave so as to respectively form a plurality of sliding grooves, the reciprocating screw rod is rotatably arranged in the sliding groove of one transverse rod through a bearing, one end of the reciprocating screw rod penetrates through the one longitudinal rod and the side wall of the box body to be connected with a driving end of the motor, the ball nut pair is arranged in the sliding groove of one transverse rod and sleeved on the reciprocating screw rod, the scraper is bar-shaped and is horizontally arranged perpendicular to the transverse rod, an upper portion of the scraper is fixedly connected with a driving end of the ball nut pair, and a plurality of sliding blocks are slidably arranged in the sliding blocks, and the sliding blocks are not embedded in the other sliding grooves.

4. The chemical wastewater filtering device with the self-cleaning function of claim 3, wherein the section of the scraper is in an inverted triangle shape.

5. The chemical wastewater filtering device with the self-cleaning function according to claim 1, wherein the sewage recovery mechanism is composed of two collecting tanks and two flow guide pipes, the number of the sewage outlets is two, and the two collecting tanks are respectively arranged on two opposite side walls of the box body above the filter screen and located in the moving direction of the scraper, the two collecting tanks are respectively arranged on the upper side surface of the bottom plate located outside the two sewage outlets, one end of each of the two flow guide pipes is respectively connected with the two sewage outlets, and the other ends of the two flow guide pipes are respectively connected and communicated with the upper parts of the two collecting tanks.

6. The chemical wastewater filtering device with the self-cleaning function according to claim 5, wherein a filtering barrier layer is horizontally arranged in the middle of the collecting tank.

7. The chemical wastewater filtering device with self-cleaning function as claimed in claim 5, wherein the two flow-guiding pipes are respectively provided with a valve.

8. The chemical wastewater filtering device with the self-cleaning function of claim 1, wherein the water inlet is provided with a water inlet hopper which is funnel-shaped and is communicated with the filtering space.

9. The chemical wastewater filtering device with the self-cleaning function according to claim 1, wherein the filter screen is composed of two layers of filter screens and activated carbon particles sandwiched between the two layers of filter screens.

10. The chemical wastewater filtering device with self-cleaning function as claimed in claim 1, wherein a plurality of supporting columns are uniformly arranged on the lower side surface of the bottom plate at positions close to the edges.

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