CN210302650U

CN210302650U - Self-cleaning filter device

Info

Publication number: CN210302650U
Application number: CN201920951193.7U
Authority: CN
Inventors: 蒋涛
Original assignee: Sunshine Environmental Protection Technology Shanghai Co ltd
Current assignee: Sunshine Environmental Protection Technology Shanghai Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-14
Anticipated expiration: 2029-06-21

Abstract

The utility model provides a self-cleaning filtering device, which relates to the field of chemical machinery and comprises a box body, a water inlet is arranged on the box body, outlet and drain, be equipped with water purification groove and filter-tank in the box, water purification groove and filter-tank pass through the weir flow board and separate, be equipped with the section of thick bamboo that can rotate in the filter-tank, it is connected with the drive structure transmission to strain a section of thick bamboo, it includes pivot and filter screen dish to strain a section of thick bamboo, the pivot is the tubular structure, the cover is equipped with a plurality of filter screen dishes of dismantling the connection with the pivot in the pivot, the highest point of filter screen dish is higher than the topside of weir flow board, the lowest point of filter screen dish is less than the topside of weir flow board, the inside of pivot still is equipped with the dirty board of collection, the dirty board of collection is first cavity and second cavity with the internal partitioning of pivot, first cavity is higher than the second cavity, first cavity and drain intercommunication, second cavity and water inlet intercommunication. The utility model discloses can carry out the self-cleaning when filterable, improve filtration efficiency, guarantee to filter the quality.

Description

Self-cleaning filter device

Technical Field

The utility model relates to a chemical machinery particularly, relates to a self-cleaning filter equipment.

Background

With the enhancement of environmental protection in recent years, the country gradually increases the intensity of treating various pollutions, especially water pollution. In the treatment of water pollution, the content of Suspended Solids (SS) in a water body is one of indexes for detecting the pollution degree of the water body and is also an important index for upgrading and transforming the water quality. The conventional method for removing the suspended matters is to use filtering equipment to physically intercept the suspended matters in the water body, namely, a filter screen with tiny pores (the diameter is 10 to 30 micrometers) is used for intercepting most of the suspended matters, so that the content of the suspended matters in the filtered water body is ensured to reach the standard.

However, after the filtering method is adopted for operating for a period of time, the pores of the filter screen can be blocked by the intercepted suspended matters, so that the flux attenuation phenomenon of the filter screen is caused, the purification efficiency is further influenced, even the effluent water quality is influenced, the filtering equipment has to be shut down, the filter screen is manually disassembled for cleaning and then is continuously used, and the working efficiency of the filtering equipment is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient self-cleaning filter equipment can filter while, and filtration efficiency and quality are guaranteed to the self-cleaning while.

Based on the above purpose, the utility model provides a self-cleaning filter equipment, including the box, seted up water inlet, outlet and drain on the box, be equipped with water purification tank and filter tank in the box, water purification tank and filter tank are adjacent, and water purification tank and filter tank pass through the weir flow board and separate, and water purification tank and outlet intercommunication are equipped with the section of thick bamboo that can rotate in the filter tank, strain a section of thick bamboo and are connected with the drive structure transmission, are equipped with on the filter tank and strain a washing structure that corresponds for wash and strain a section of thick bamboo.

The filter cartridge comprises a rotating shaft and filter screen discs, the rotating shaft is of a tubular structure, a plurality of filter screen discs detachably connected with the rotating shaft are sleeved on the rotating shaft, the filter screen discs are arranged in parallel along the axial direction of the rotating shaft, each filter screen disc is of a hollow disc-shaped structure, the inside of each filter screen disc is communicated with the inside of the rotating shaft, the highest point of each filter screen disc is higher than the top edge of the weir flow plate, and the lowest point of each filter screen disc is lower than the top edge of the weir flow plate.

The one end and the weir flow board of pivot rotate to be connected, the other end and the box of pivot rotate to be connected, the inside of pivot still is equipped with the dirty board of collection, the one end and the weir flow board fixed connection of the dirty board of collection, the other end and the box fixed connection of the dirty board of collection, the side reason of the dirty board of collection offsets with the inner wall of pivot, the dirty board of collection is first cavity and second cavity with the internal partitioning of pivot, first cavity is higher than the second cavity, first cavity and drain intercommunication, second cavity and water inlet intercommunication.

The utility model provides a self-cleaning filter equipment, preferably, the top edge that the weir flowed the board is equipped with convex baffle, is equipped with first takeover on the baffle, and a pot head of pivot is established in the first takeover outside and is rotated with first takeover and be connected, is equipped with the second in the box and takes over, and the second is taken over respectively with water inlet and drain intercommunication, and the other pot head of pivot is established in the outside that the second was taken over and is rotated with the second and be connected. One end of the dirt collecting plate is inserted in the first connecting pipe, and the other end of the dirt collecting plate is inserted in the second connecting pipe.

The pivot is taken over with first takeover and second respectively and is rotated and be connected for the rotation of pivot in the filter-tank is more stable, and in the clear water that flows into the filter-tank in the direct junction through pivot and first takeover and second takeover of filterable sewage in order to avoid simultaneously not to take over in filterable, need take over the department with pivot and first takeover and second and adopt the movive seal, both guaranteed that the pivot can rotate, avoid the pollution of sewage to the clear water simultaneously. In addition, the first adapter pipe is arranged on the baffle at the upper edge of the weir flow plate, so that the sewage collecting plate arranged in the first adapter pipe is higher than the water level in the filter tank, and the influence on normal discharge of sewage in the sewage collecting plate caused by the fact that clean water in the filter tank is submerged into the sewage collecting plate is avoided.

The utility model provides a self-cleaning filter equipment, preferably, the dirty board of collection is the dirty board of arc collection, and the one end that the dirty board of collection is close to the drain is less than the one end that the drain was kept away from to the dirty board of collection. The dirty board of will gathering together sets up to the dirty board of arc collection more is favorable to gathering together of filth, then utilizes the dirty board of collection lower towards the one end of drain, lets the filth under the effect of dead weight, faster discharge to the drain, improves blowdown efficiency.

The utility model provides a self-cleaning filter equipment, preferably, the side reason of collection dirt board still is equipped with the brush hair. Set up the brush hair in the side edge of dirty board of collection for the pivot is when the dirty board of collection rotates relatively, washs the inner wall of pivot through the brush hair at dirty board side edge of collection, guarantees the cleanness of pivot inner wall, can not be adhered to by the filth, thereby guarantees the pivot normal rotation.

The utility model provides a self-cleaning filter equipment, preferably, every filter screen dish includes a plurality of fan-shaped filter screen dishes, and every fan-shaped filter screen dish can be dismantled with the pivot and be connected. With the setting of filter screen dish modularization, constitute by a plurality of fan-shaped filter screen dishes, conveniently maintain, when single fan-shaped filter screen dish damage, only need with single fan-shaped filter screen dish change alright, need not change whole filter screen dish and maintain, reduced the maintenance cost. In addition, the filter screen disc is formed by combining a plurality of fan-shaped filter screen discs, so that the filter screen disc can be formed by combining a plurality of fan-shaped filter screen discs according to the filtering amount, and the production cost is reduced under the condition of ensuring the filtering efficiency.

The utility model provides a self-cleaning filter equipment, preferably, fan-shaped filter screen dish includes support and filter screen, and the outer cladding of support has the filter screen, and the support overlap joint is fan-shaped skeleton, and fan-shaped skeleton includes long cambered surface and short cambered surface, and the short cambered surface of fan-shaped skeleton is the open end, and two sides of fan-shaped filter screen dish are equipped with arch and the recess that extends along the axis of pivot respectively, and the recess of arch and adjacent fan-shaped filter screen dish corresponds, and the recess corresponds with the arch of adjacent fan-shaped filter screen dish. The rotating shaft is provided with a plurality of convex interfaces, the interfaces are in an inverted trapezoidal shape, and the interfaces correspond to the open ends of the fan-shaped filter screen discs.

Constitute fan-shaped skeleton by the support, the cladding has the filter screen to form single fan-shaped filter screen dish in the fan-shaped skeleton outside, and this kind of fan-shaped filter screen dish simple structure is light, can guarantee good filter effect simultaneously. And set up the short arc face into the open end, be convenient for with the inside of fan-shaped filter screen dish and the inside intercommunication of pivot, realize filtering.

In order to ensure that the spliced fan-shaped filter screen discs are stable in structure, the side surfaces of each fan-shaped filter screen disc are respectively provided with a protrusion and a groove, and the protrusions and the grooves are axially arranged along the rotating shaft, so that when the fan-shaped filter screen discs work, the force from the circumferential direction of a water body is mainly received and is vertical to the directions of the protrusions and the grooves, and the protrusions and the grooves can play a good limiting role. And when needs change fan-shaped filter screen dish, can slide or remove fan-shaped filter screen dish along axial direction earlier, make the protruding recess of fan-shaped filter screen dish and adjacent fan-shaped filter screen dish break away from the cooperation, make the recess of fan-shaped filter screen dish and the protruding cooperation that breaks away from of adjacent fan-shaped filter screen dish, then with fan-shaped filter screen dish dismantlement down, owing to it is unanimous with the protruding extending direction with the recess to remove fan-shaped filter screen dish along axial direction, so need not just can dismantle fan-shaped filter screen dish with great power, be convenient for installation and maintenance. Therefore, the arrangement of the bulges and the grooves ensures the stability of the filter screen disc during working and also ensures the convenience in dismounting the fan-shaped filter screen disc.

The utility model provides a self-cleaning filter equipment, preferably, self-cleaning filter equipment still includes the clamping ring, and the clamping ring includes first clamping ring and second clamping ring, and first clamping ring is articulated with second clamping ring one end, and first clamping ring is connected through pressing the knot with the other end of second clamping ring, and the short arc face of every fan-shaped filter screen dish is equipped with the arc baffle along the axial extension of pivot, and the clamping ring cover is established outside the arc baffle for make arc baffle and pivot laminating.

In order to further increase the stability that fan-shaped filter screen dish and pivot combine, the cowl who utilizes the short cambered surface to extend closes into a complete circle as the basis with the first clamping ring and the second clamping ring of clamping ring, presses the cowl to laminating with the pivot, has further increased the stability of fan-shaped filter screen dish and pivot.

The utility model provides a self-cleaning filter equipment, preferably, the washing structure includes water pump, L shape wash arm and shower nozzle group, water pump and box fixed connection, water pump and L shape wash arm intercommunication, are equipped with shower nozzle group on the L shape wash arm, and L shape wash arm and box sliding connection, L shape wash arm extend along pivot axial direction, and L shape wash arm is 6-15 with the axis of pivot at the projected contained angle of horizontal plane.

The water pump supplies water to the L-shaped flushing arm, then through the blowout of the shower nozzle group on the L-shaped flushing arm, the shower nozzle group washes the suspended solid on the filter screen dish from the filter screen and falls, and the suspended solid that falls on the dirty board of collection, is collected and is got rid of by the dirty board of collection, has just so accomplished washing of filter screen dish, and the partial filter screen dish that washes has once more recovered the filter capacity, can continue to filter. And set the L shape to wash the arm and set up the speech axis and be 6-15 at the projection contained angle of horizontal plane, can let the rivers that spout between the shower nozzle group compensate each other, as far as possible at same time, let rivers cover the surface of wasing bigger filter screen dish, improve the cleaning efficiency, because the coverage area exists alternately simultaneously, can make the regional washing of crossing more thorough, the cleaning performance is better.

The utility model provides a self-cleaning filter equipment, preferably, shower nozzle group includes a plurality of offset shower nozzle groups, and every offset shower nozzle group includes two crossing shower nozzles of injection direction, and every offset shower nozzle group corresponds respectively with the filter screen dish, and the nodical board that is higher than the collection of offset shower nozzle group's injection direction. If the crossing point that will dash the jet direction of shower nozzle group sets up is less than the dirty board of collection, because the filter screen dish is network structure itself, rivers will pass the filter screen dish and directly spout on the dirty board of collection, disturb the dirty board of collection and be outer arranging sewage for on the suspended solid that just washes possibly splashes the filter screen dish once more, influence the normal washing of filter screen dish.

And the crossing point that will dash the injection direction of shower nozzle group sets up is higher than the dirty board of collection, then can be because rivers have produced the counterpulsation at the crossing point, the impact potential energy greatly reduced of rivers, and the interference to the outer sewage of arranging on the dirty board of collection will fall to minimumly like this, and simultaneously, the crossing point is because being higher than the dirty board of collection and being located the filter screen dish, and the impact that the crossing point received this moment is the biggest, and consequently the washing of this department filter screen dish is also the cleanest.

The utility model provides a self-cleaning filter equipment, preferably, self-cleaning filter equipment still includes the PLC controller, and the PLC controller is connected with drive structure and washing structure electricity respectively. Through the PLC controller, can realize the utility model discloses an automatic control also can be through long-range, at the intranet communication control of central control room.

The beneficial effects of the utility model are that can carry out the self-cleaning when filterable, improve filtration efficiency, guarantee to filter the quality. The utility model mainly utilizes the highest point of the filter screen disc to be higher than the top edge of the weir flow plate, and the lowest point of the filter screen disc is lower than the top edge of the weir flow plate, so that under the condition of full water in the filter tank, the filter screen disc lower than the top edge of the weir flow plate can be soaked in the filter tank, sewage flowing in through the water inlet can pass through the soaked filter screen disc, suspended matters are intercepted on the filter screen disc of the part, the filter screen disc higher than the top edge of the weir flow plate is exposed in the box body, the washing structure can wash the filter screen disc of the part, the suspended matters can be separated from the filter screen disc, fall onto the dirt collecting plate, and are discharged through the sewage discharge outlet through the dirt collecting plate, and because the rotating shaft carries out 360-degree rotary motion, the filter screen discs above and below the top edge of the weir flow plate are alternated all the time, so that the filtering edge can be used for cleaning the filter screen disc, and the suspended matters of the filter screen disc can not be accumulated to block, thereby even use for a long time the utility model discloses filter, also need not stop down and wash the filter screen dish, guaranteed filtration efficiency and filtration quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic axial view of a first embodiment of the present invention;

FIG. 2 is a schematic left side view of the first embodiment of FIG. 1;

FIG. 3 is a schematic view of the open case of the first embodiment of FIG. 1;

FIG. 4 is a fragmentary, diagrammatic view of the first embodiment of FIG. 3 with portions of the housing removed;

FIG. 5 is a fragmentary, diagrammatic view of the first embodiment of FIG. 4 with portions of the housing removed;

FIG. 6 is a schematic cross-sectional view of the first embodiment of FIG. 1;

FIG. 7 is a schematic cross-sectional view of the first embodiment of FIG. 6 in an operational state;

fig. 8 is a schematic view of the second embodiment of the present invention to open the box body;

FIG. 9 is a left side schematic view of the second embodiment open box of FIG. 8;

FIG. 10 is a schematic view of the second embodiment of FIG. 8 with a portion of the housing removed;

FIG. 11 is a schematic top view of the second embodiment of FIG. 10;

FIG. 12 is a schematic view of the second embodiment of FIG. 10 with a portion of the housing removed;

FIG. 13 is a schematic cross-sectional view of the second embodiment of FIG. 8;

FIG. 14 is a schematic cross-sectional view of the second embodiment of FIG. 13 in an operational state;

fig. 15 is a schematic view of a filter screen disc according to a second embodiment of the present invention;

fig. 16 is a schematic view of a fan-shaped filter screen disc according to a second embodiment of the present invention;

FIG. 17 is a schematic bottom view of the fan-shaped filter screen tray of FIG. 16;

fig. 18 is a schematic view of a pressure ring according to a second embodiment of the present invention;

fig. 19 is a schematic view of a rotating shaft according to a second embodiment of the present invention;

fig. 20 is a schematic view of a rotating shaft and a dirt collecting plate according to a second embodiment of the present invention;

fig. 21 is a schematic view of a weir plate according to a second embodiment of the present invention;

fig. 22 is a schematic view of a third embodiment of the present invention.

Icon:

a box body 101, a water inlet 102, a water outlet 103, a sewage discharge outlet 104, a purified water tank 105, a filter tank 106, a weir plate 107, a driving structure 108, a filter cartridge 109, a flushing structure 110, a sewage collecting plate 111, a first chamber 112, a second chamber 113, a PLC controller 114, a pressure ring 115,

a baffle 1071, a first adapter 1072, a second adapter 1073,

a rotating shaft 1091, a screen plate 1092, a fan-shaped screen plate 1093, a bracket 1094, a screen 1095, a protrusion 1096, a groove 1097, a port 1098, a baffle 1099,

the number of the brush hairs 1111 is 1111,

a water pump 1101, an L-shaped rinse arm 1102, a spray head set 1103, a spray head 1104,

a first compression ring 1151, a second compression ring 1152, and a crimp 1153.

Detailed Description

The hole of current suspended solid filter equipment filter screen can be blockked up by the suspended solid of interception, causes the phenomenon of filter screen flux decay, and then influences purification efficiency.

In view of this, the inventor has designed a self-cleaning filtering apparatus capable of filtering while cleaning at the same time.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1-7, the first embodiment of the present invention provides a self-cleaning filtering apparatus, which comprises a box 101, wherein the box 101 is provided with a door capable of being opened, and the inside of the box can be observed through the door, so as to facilitate observation of the working conditions of the present embodiment. The tank body 101 is provided with a water inlet 102, a water outlet 103 and a sewage outlet 104, the tank body 101 is internally provided with a purified water tank 105 and a filter tank 106, the purified water tank 105 is adjacent to the filter tank 106, the purified water tank 105 and the filter tank 106 are separated by a weir flow plate 107, the purified water tank 105 is communicated with the water outlet 103, the filter tank 106 is internally provided with a rotatable filter cartridge 109, the filter cartridge 109 is in transmission connection with a driving structure 108, and the filter tank 106 is provided with a washing structure 110 corresponding to the filter cartridge 109 for cleaning the filter cartridge 109.

The filter cartridge 109 comprises a rotating shaft 1091 and a screen disc 1092, the rotating shaft 1091 is of a tubular structure, the rotating shaft 1091 is sleeved with a plurality of screen discs 1092 detachably connected with the rotating shaft 1091, the screen discs 1092 are arranged in parallel along the axial direction of the rotating shaft 1091, each screen disc 1092 is of a hollow disc-shaped structure, the inside of each screen disc 1092 is communicated with the inside of the rotating shaft 1091, the highest point of each screen disc 1092 is higher than the top edge of the weir flow plate 107, and the lowest point of each screen disc 1092 is lower than the top edge of the weir flow plate 107.

The one end and the weir flow board 107 of pivot 1091 rotate to be connected, the other end and the box 101 of pivot 1091 rotate to be connected, the inside of pivot 1091 still is equipped with dirty board 111 of collection, the one end and the weir flow board 107 fixed connection of dirty board 111 of collection, the other end and the box 101 fixed connection of dirty board 111 of collection, the side reason of dirty board 111 of collection offsets with the inner wall of pivot 1091, dirty board 111 of collection is first cavity 112 and second cavity 113 with the internal partitioning of pivot 1091, first cavity 112 is higher than second cavity 113, first cavity 112 communicates with drain 104, second cavity 113 communicates with water inlet 102.

The embodiment can carry out self-cleaning while filtering, improves the filtering efficiency and ensures the filtering quality. In this embodiment, the highest point of the strainer tray 1092 is higher than the top edge of the weir flow plate 107, and the lowest point of the strainer tray 1092 is lower than the top edge of the weir flow plate 107, so that when the filtering tank 106 is full of water, the strainer tray 1092 lower than the top edge of the weir flow plate 107 is immersed in the filtering tank 106, the sewage flowing in through the water inlet 102 passes through the immersed strainer tray 1092, the suspended matter is caught on the strainer tray 1092, the strainer tray 1092 higher than the top edge of the weir flow plate 107 is exposed in the tank 101, the flushing structure 110 flushes the strainer tray 1092, the suspended matter is separated from the strainer tray 1092 and falls onto the dirt collecting plate 111, the large-particle impurities also fall onto the dirt collecting plate 111 under the action of gravity, because the dirt collecting plate 111 divides the rotating shaft 1091 into the first chamber 112 and the second chamber 113, and the first chamber 112 is located above, and the first chamber 112 is communicated with the dirt discharge outlet 104, the falling suspension thus falls into the first chamber 112 and is discharged through the sewage collection plate 111 through the sewage discharge opening 104.

And because the pivot 1091 is carrying out 360 rotary motion, so be located weir flow plate 107 top edge, filter screen dish 1092 down also relative, alternate constantly, just so realized whole filter screen dish 1092 at filterable in-process continuous washing repeatedly, guaranteed that filter screen dish 1092's suspended solid can not pile up and block up filter screen dish 1092, thereby even use this embodiment for a long time to filter, also need not stop to wash filter screen dish 1092, guaranteed filtration efficiency and filtration quality.

To further illustrate the operation of the present embodiment, referring to fig. 7, the arrows in fig. 7 indicate the direction of water flow, first, the sewage to be treated flows into the water inlet 102, flows into the second chamber 113 through the water inlet 102, then flows into each strainer tray 1092, under the action of gravity, the sewage is collected at the lower end of each strainer tray 1092, and is filtered by the strainer tray 1092 to intercept the suspended matters in the strainer tray 1092, so that part of the suspended matters are attached to the strainer tray 1092. When the clean water flowing into the filter tank 106 is accumulated over the weir plate 107, the clean water flows from the filter tank 106 to the adjacent clean water tank 105, and is discharged through the drain port 103.

When filtering, wash the mechanism and wash filter screen dish 1092 by water, under the impact of the rivers of outside to interior flow direction, wash attached suspended solid on filter screen dish 1092 and fall, wash and fall on album dirt board 111, fallen into first cavity 112 promptly, because first cavity 112 and drain 104 intercommunication, the water that washes into first cavity 112 just together discharges from drain 104 with the suspended solid, has realized the washing to filter screen dish 1092. To make the strainer tray 1092 cleaner, detergent may be added to improve the rinsing effect when the rinsing structure 110 is used to rinse the strainer tray 1092.

As shown in fig. 8-21, the utility model discloses the self-cleaning filter equipment that the second embodiment provided is on the basis of first embodiment, and further, be equipped with convex baffle 1071 at the top edge of weir flow plate 107, be equipped with first takeover 1072 on the baffle 1071, a pot head of pivot 1091 is established in the first takeover 1072 outside and is connected with first takeover 1072 rotation, be equipped with second takeover 1073 in the box 101, second takeover 1073 communicates with water inlet 102 and drain 104 respectively, another pot head of pivot 1091 is established in the outside that 1073 was taken over to the second and is connected with second takeover 1073 rotation. One end of the dirt-collecting plate 111 is inserted into the first nozzle 1072, and the other end of the dirt-collecting plate 111 is inserted into the second nozzle 1073.

The pivot 1091 is connected with first takeover 1072 and second takeover 1073 rotation respectively for the rotation of pivot 1091 in the rose box 106 is more stable, simultaneously in order to avoid not passing through filterable sewage directly to flow into the clear water in the rose box 106 through pivot 1091 and the junction of first takeover 1072 and second takeover 1073 in the time of the filtration, need take over the pivot 1091 and first takeover 1072 and second takeover 1073 department and adopt the dynamic seal, both guarantee that the pivot 1091 can rotate, avoid the pollution of the interior clear water of sewage pair rose box in the pivot simultaneously. In addition, the first connection pipe 1072 is disposed on the baffle 1071 at the upper edge of the weir flow plate 107, so as to ensure that the dirt collecting plate 111 disposed in the first connection pipe 1072 is significantly higher than the water level in the filtering tank 106, and this arrangement is mainly because although the dirt collecting plate 111 abuts against the inner wall of the rotating shaft 1091, in order to ensure the rotation of the rotating shaft 1091, a certain gap still needs to be left between the dirt collecting plate 111 and the rotating shaft 1091, so that if the height of the dirt collecting plate 111 is lower than the water level in the filtering tank 106, the water in the filtering tank 106 will sink over the dirt collecting plate 111, and the submerged water flow will interfere with the normal flow of the suspended matter on the dirt collecting plate 111, thereby reducing the discharge efficiency of the suspended matter in the first chamber 112, and further affecting the cleaning efficiency of the filter mesh tray 1092.

In order to further improve the sewage discharging efficiency, the sewage collecting plate 111 is set to be an arc-shaped sewage collecting plate, and one end of the sewage collecting plate 111 close to the sewage outlet 104 is lower than one end of the sewage collecting plate 111 far away from the sewage outlet 104. Set up dirty board 111 of collection into the dirty board 111 of arc collection more is favorable to gathering together of filth, then utilize dirty board 111 of collection lower towards the one end of drain 104, let the filth under the effect of dead weight, discharge to drain 104 sooner.

In the practical use of this embodiment, the inventor found that although the strainer disc 1092 is cleaned effectively by washing, a part of the suspension flowing into the first chamber 112 adheres to the inner wall of the rotating shaft 1091, and then enters the clean water in the filter tank 106 by following the rotation of the rotating shaft 1091, and the part of the suspension is intercepted again in the strainer disc 1092 by the water flowing into the water inlet 102 to a large extent, so that the strainer disc 1092 is rapidly accumulated again to affect the filtering.

To this end, the inventor proposes a solution in which bristles 1111 are provided at side edges of the dirt collecting plate 111. Set up brush hair 1111 at the side edge of dirty board 111 of collection for pivot 1091 is when dirty board 111 rotates relatively collection, washs the inner wall of pivot 1091 through the brush hair 1111 at dirty board 111 side edge of collection, guarantees the cleanness of pivot 1091 inner wall, avoids the inner wall to carry the suspended solid to enter into the filter-tank 106, and brush hair 1111 has been at dirty board 111 top of collection with the basic separation of suspended solid simultaneously, thereby has guaranteed that second chamber 113 is not polluted by the suspended solid that washes the drop.

To reduce the maintenance cost of this embodiment, each strainer tray 1092 is configured by a plurality of fan strainer trays 1093, and each fan strainer tray 1093 is detachably attached to a rotary shaft 1091. With filter screen dish 1092 modularization setting, conveniently maintain, when single fan-shaped filter screen dish 1093 damaged, only need with single fan-shaped filter screen dish 1093 change alright, need not change whole filter screen dish 1092 and maintain, reduced the maintenance cost. In addition, since the strainer tray 1092 is formed by combining a plurality of fan-shaped strainer trays 1093, the number of fan-shaped strainer trays 1093 to be combined into the strainer tray 1092 can be selected according to the amount of filtration, thereby reducing the production cost while ensuring the filtration efficiency.

In this embodiment, fan-shaped strainer tray 1093 includes support 1094 and strainer 1095, and support 1094 has outer cladding strainer 1095, and support 1094 overlap joint is fan-shaped skeleton, and fan-shaped skeleton includes long cambered surface and short cambered surface, and the short cambered surface of fan-shaped skeleton is the open end, and two sides of fan-shaped strainer tray 1093 are equipped with respectively along the protruding 1096 and the recess 1097 of the axis extension of pivot 1091, and protruding 1096 corresponds with the recess 1097 of adjacent fan-shaped strainer tray 1093, and recess 1097 corresponds with the protruding 1096 of adjacent fan-shaped strainer tray 1093. The rotating shaft 1091 is provided with a plurality of convex connectors 1098, the connectors 1098 are in an inverted trapezoid shape, and the connectors 1098 correspond to the open ends of the fan-shaped strainer discs 1093.

Constitute fan-shaped skeleton by support 1094, the cladding has filter screen 1095 to form single fan-shaped filter screen dish 1093 in fan-shaped skeleton outside, and this kind of fan-shaped filter screen dish 1093 simple structure, and is light, can guarantee good filter effect simultaneously, and filter screen 1095 is woven through the fiberization technique by 316L stainless steel and is formed, can stably reach out the water standard (SS is less than 10 mg/L). And set up the short arc face into the open end, with the bellied interface 1098 intercommunication of pivot 1091, realized the inside of fan-shaped filter screen dish 1093 and the inside intercommunication of pivot 1091 to guarantee that this embodiment normally filters.

In order to ensure the stable structure of the spliced fan-shaped strainer plate 1093, the side surface of each fan-shaped strainer plate 1093 is respectively provided with a protrusion 1096 and a groove 1097, and the protrusion 1096 and the groove 1097 are axially arranged along the rotating shaft 1091, so that when the fan-shaped strainer plate 1093 works, the circumferential force from the water is mainly applied, and is vertical to the extending direction of the protrusion 1096 and the groove 1097, so that the protrusion 1096 and the groove 1097 can play a limiting role, and the fan-shaped strainer plate 1093 is prevented from falling off in work. When fan strainer tray 1093 needs to be replaced, fan strainer tray 1093 may be slid or moved in the axial direction, although interface 1098 blocks it, fan strainer tray 1093 itself has a certain elasticity, which still allows protrusion 1096 of fan strainer tray 1093 to disengage from groove 1097 of adjacent fan strainer tray 1093, and allows groove 1097 of fan strainer tray 1093 to disengage from protrusion 1096 of adjacent fan strainer tray 1093, and then fan strainer tray 1093 is removed. Since the sector screen tray 1093 is moved in the axial direction in line with the direction in which the projections 1096 and the recesses 1097 extend, the sector screen tray 1093 can be removed without requiring a large force for installation and maintenance. Therefore, the protrusions 1096 and the grooves 1097 ensure the stability of the strainer tray 1092 during operation and also ensure the convenience of detaching the fan-shaped strainer tray 1093.

In order to further increase the stability of combining the fan-shaped strainer tray 1093 and the rotating shaft 1091, the fan-shaped strainer tray 1091 further includes a press ring 115 in this embodiment, the press ring 115 includes a first press ring 1151 and a second press ring 1152, the first press ring 1151 is hinged to one end of the second press ring 1152, the other end of the first press ring 1151 is connected to the other end of the second press ring 1152 through a press buckle 1153, then an arc-shaped baffle 1099 extending along the axial direction of the rotating shaft 1091 is arranged on the short arc surface of each fan-shaped strainer tray 1093, and the press ring 115 is sleeved outside the arc-shaped baffle 1099 so as to enable the arc-shaped baffle 1099 to be.

Arc baffle 1099 that utilizes the short arc face to extend out is as the basis, utilizes first clamping ring 1151 and second clamping ring 1152 of clamping ring 115 to close into a complete circle, overlaps and establishes arc baffle 1099 outside, presses arc baffle 1099 to laminating with pivot 1091, has further increased fan-shaped filter screen dish 1093 and pivot 1091's stability.

In addition, the flushing structure 110 in this embodiment includes a water pump 1101, an L-shaped flushing arm 1102 and a nozzle group 1103, the water pump 1101 is fixedly connected with the tank 101, the water pump 1101 is communicated with the L-shaped flushing arm 1102, the nozzle group 1103 is disposed on the L-shaped flushing arm 1102, the L-shaped flushing arm 1102 is slidably connected with the tank 101, the L-shaped flushing arm 1102 extends along the axial direction of the rotating shaft 1091, and an included angle formed by the L-shaped flushing arm 1102 and the axis of the rotating shaft 1091 in the horizontal plane projection is 6-15 °.

The water pump 1101 supplies water to the L-shaped flushing arm 1102, and then the water is sprayed out through the nozzle group 1103 on the L-shaped flushing arm 1102, the nozzle group 1103 flushes suspended matters on the strainer disc 1092 from the strainer 1095, the dropped suspended matters fall on the dirt collecting plate 111 and are collected and discharged by the dirt collecting plate 111, so that the flushing of the strainer disc 1092 is completed, and the filtering capacity is restored again through the flushed part of the strainer disc 1092, and the filtering can be continued. And set L shape wash arm 1102 into the projection contained angle of speech axis at the horizontal plane and be 6-15, preferably 10, can let the rivers that spout between shower nozzle group 1103 compensate each other, let rivers cover the surface of wasing bigger filter screen dish 1092 at the same time as far as possible, improve the cleaning efficiency, because the coverage area has alternately simultaneously, can make the regional washing of crossing more thorough, the cleaning performance is better.

The nozzle group 1103 in this embodiment includes a plurality of offset nozzle groups, each of which includes two nozzles 1104 having intersecting injection directions, each of the offset nozzle groups corresponds to the strainer tray 1092, and the intersecting points of the injection directions of the offset nozzle groups are higher than the dirt collecting plate 111. If the intersection point of the jetting directions of the hedging jet head groups is lower than the dirt collecting plate 111, because the strainer disc 1092 is of a net structure, water flow can directly jet to the dirt collecting plate 111 through the strainer disc 1092, and the sewage which is discharged outwards on the dirt collecting plate 111 is disturbed, so that the suspended matters which are just washed off can be splashed to the strainer disc 1092 again, and the cleaning of the strainer disc 1092 is affected.

And the crossing point that will offset the injection direction of shower nozzle group sets up is higher than album dirty board 111, then can be because rivers have produced the offset at the crossing point, the impact potential energy greatly reduced of rivers, and the interference to the outer sewage of arranging on album dirty board 111 will be reduced to the minimum like this, has guaranteed to wash sewage exhaust efficiency. Meanwhile, the intersection point with the largest water flow impact force is higher than the dirt collecting plate 111 and is positioned on the sieve tray 1092, so that stubborn suspended matters on the sieve tray 1092 can be washed clean.

As shown in fig. 22, the self-cleaning filtering apparatus according to the third embodiment of the present invention is further provided with a PLC controller 114 on the basis of the above-mentioned embodiments, in order to improve the automation level, the PLC controller 114 is electrically connected to the driving structure 108 and the flushing structure 110 respectively. Through PLC controller 114, can realize the utility model discloses an automatic control also can be through long-range, at the intranet communication control of central control room.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-cleaning filtering device is characterized by comprising a box body, wherein a water inlet, a water outlet and a sewage outlet are formed in the box body, a water purifying tank and a filtering tank are arranged in the box body, the water purifying tank is adjacent to the filtering tank, the water purifying tank and the filtering tank are separated through a weir flow plate, the water purifying tank is communicated with the water outlet, a rotatable filter cartridge is arranged in the filtering tank, the filter cartridge is in transmission connection with a driving structure, a flushing structure corresponding to the filter cartridge is arranged on the filtering tank, the filter cartridge comprises a rotating shaft and filter screen discs, the rotating shaft is of a tubular structure, a plurality of filter screen discs detachably connected with the rotating shaft are sleeved on the rotating shaft, the plurality of filter screen discs are arranged in parallel along the axial direction of the rotating shaft, each filter screen disc is of a hollow disc-shaped structure, and the inside of each filter screen disc is communicated with the inside of the rotating, the peak point of filter screen dish is higher than the topside of weir flow board, the minimum of filter screen dish is less than the topside of weir flow board, the one end of pivot with weir flow board rotates to be connected, the other end of pivot with the box rotates to be connected, the inside of pivot still is equipped with the dirty board of collection, the dirty board of collection one end with weir flow board fixed connection, the dirty board of collection the other end with box fixed connection, the dirty board of collection the side reason with the inner wall of pivot offsets, the dirty board of collection will the internal partitioning of pivot is first cavity and second cavity, first cavity is higher than the second cavity, first cavity with the drain intercommunication, the second cavity with the water inlet intercommunication.

2. The self-cleaning filtering device according to claim 1, wherein a convex baffle is arranged at the upper edge of the weir flow plate, a first connecting pipe is arranged on the baffle, one end of the rotating shaft is sleeved outside the first connecting pipe and is rotatably connected with the first connecting pipe, a second connecting pipe is arranged in the box body and is respectively communicated with the water inlet and the sewage outlet, the other end of the rotating shaft is sleeved outside the second connecting pipe and is rotatably connected with the second connecting pipe, one end of the sewage collecting plate is inserted in the first connecting pipe, and the other end of the sewage collecting plate is inserted in the second connecting pipe.

3. The self-cleaning filtering device of claim 1, wherein the dirt collecting plate is an arc-shaped dirt collecting plate, and one end of the dirt collecting plate close to the drain outlet is lower than one end of the dirt collecting plate far away from the drain outlet.

4. The self-cleaning filter apparatus of claim 1, wherein the side edges of the dirt collection plate are further provided with bristles.

5. The self-cleaning filtering apparatus of claim 1 wherein each of the screen discs comprises a plurality of fan-shaped screen discs, each fan-shaped screen disc being removably coupled to the shaft.

6. The self-cleaning filtering device of claim 5, wherein the fan-shaped filter screen disc comprises a support and a filter screen, the support is externally coated with the filter screen, the support is lapped to form a fan-shaped framework, the fan-shaped framework comprises a long arc surface and a short arc surface, the short arc surface of the fan-shaped framework is an open end, two side surfaces of the fan-shaped filter screen disc are respectively provided with a protrusion and a groove, the protrusion extends along the axis of the rotating shaft, the protrusion corresponds to the groove of the adjacent fan-shaped filter screen disc, the groove corresponds to the protrusion of the adjacent fan-shaped filter screen disc, the rotating shaft is provided with a plurality of convex interfaces, the interfaces are in an inverted trapezoidal shape, and the interfaces correspond to the open end of the fan-shaped filter screen disc.

7. The self-cleaning filtering device of claim 6, further comprising a press ring, wherein the press ring comprises a first press ring and a second press ring, the first press ring is hinged to one end of the second press ring, the first press ring is connected with the other end of the second press ring through a press buckle, and each short arc surface of the fan-shaped filter screen disc is provided with an arc-shaped baffle plate extending along the axial direction of the rotating shaft, and the press ring is sleeved outside the arc-shaped baffle plate to enable the arc-shaped baffle plate to be attached to the rotating shaft.

8. The self-cleaning filter apparatus according to claim 1, wherein the flushing structure comprises a water pump, an L-shaped flushing arm, and a nozzle set, the water pump is fixedly connected to the tank, the water pump is communicated with the L-shaped flushing arm, the L-shaped flushing arm is provided with the nozzle set, the L-shaped flushing arm is slidably connected to the tank, the L-shaped flushing arm extends along the axial direction of the rotating shaft, and an included angle formed by the L-shaped flushing arm and the axis of the rotating shaft in the projection of the horizontal plane is 6-15 °.

9. The self-cleaning filtering device of claim 8, wherein the nozzle group comprises a plurality of counter-flushing nozzle groups, each counter-flushing nozzle group comprises two nozzles with intersecting injection directions, each counter-flushing nozzle group corresponds to the filter screen tray, and the intersection points of the injection directions of the counter-flushing nozzle groups are higher than the dirt collecting plate.

10. The self-cleaning filtration device of claim 1, further comprising a PLC controller electrically connected to the drive structure and the flushing structure, respectively.