Wastewater filtering device

Abstract

The utility model relates to the technical field of filtering devices, and provides a waste water filtering device aiming at the problems that a filtering piece of an existing waste water filtering device is easy to block, not easy to disassemble and replace and difficult to maintain, the waste water filtering device comprises a filtering box, a filtering net and a plurality of different filtering assemblies are sequentially erected in the filtering box from top to bottom, multi-stage filtering can be achieved, and the filtering effect is good. The filter screen is provided with a slag pushing assembly, a slag blowing assembly and a pair of slag collecting assemblies, and the multiple different filter assemblies are movably erected on the filter box. The filter screen performs combined treatment through the slag pushing assembly and the slag blowing assembly, and the cleaning effect is good; a plurality of different filtering assemblies are movably erected on the filtering box and can be conveniently replaced, so that a good filtering effect can be effectively kept. Impurities pushed out by the slag pushing assembly and impurities blown out by the slag blowing assembly are collected through a pair of slag collecting boxes and a pair of slag collecting bags; the residue collecting box and the filter box can be blocked or communicated through the residue pushing plate and the sealing plate, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, specifically, relate to a wastewater filter equipment. BACKGROUND

[0002] A large amount of wastewater will be produced in industrial production process. The physical filtration process is usually relatively simple, and does not involve chemical reaction, reducing secondary pollution, and is widely used in industrial wastewater treatment, especially in the removal of visible solids and particles in the preliminary treatment stage. But the general filter device using screen can only remove larger particulate matter, and the removal effect of fine suspended solids, such as metal debris generated by machining and wear, and dissolved pollutants is limited, and the filter element is easy to block, difficult to maintain, and the filtration effect will decrease after long-term use.

[0003] The patent with publication number CN220860865U provides a wastewater filter device and filter core, which comprises: a main box body, an upper cover is rotatably connected to the upper part of the main box body, a recess is arranged in the inside of the upper cover, a motor is fixedly connected in the inside of the recess, a stirring blade is fixedly connected to the lower end of the output shaft of the motor, a primary filter structure is arranged in the inside of the main box body, a secondary filter structure is arranged at the lower part of the primary filter structure, and a partition disc is arranged at the lower part. A water storage cavity is arranged at the lower part of the secondary filter structure, a filter core connecting pipe is fixedly connected to the right side of the main box body, and a water inlet elbow is arranged in the inside of the main box body. The wastewater filter device is filtered through the primary filter structure and the secondary filter structure, the partition disc can elevate the primary filter structure and the secondary filter structure, so that the lower part of the main box body forms a water storage cavity, which is convenient for maintenance and slag removal, and the filter core connecting pipe can prevent blockage and facilitate replacement by externally arranging the primary filter core and the secondary filter core. The primary filter structure of the wastewater filter device is a filter screen, the secondary filter structure is an activated carbon filling layer, and hollow fiber ultrafiltration membranes are arranged in the inside of the primary filter core and the secondary filter core, so that multi-stage filtration is realized. However, the filter screen and the activated carbon filling layer in the main box body are not easy to disassemble and replace, and the filter core is easy to replace.

[0004] Therefore, it is urgent to provide a wastewater filter device with good filtration effect and convenient cleaning or replacement of each filter element. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems of the existing wastewater filter device, such as easy blockage of filter element, difficult disassembly and replacement, and difficult maintenance. The utility model provides a wastewater filter device, which can realize the technical effect of good filtration effect and convenient cleaning or replacement of each filter element.

[0006] The utility model discloses a wastewater filtering device, including the filter box, the filter screen and multiple different filter components are sequentially erected from top to bottom in the filter box, the filter screen is provided with push residue component, blow residue component and a pair of residue collection component, and multiple different filter components are all movably erected in the filter box, a pair of residue collection component all includes residue collection box, and a pair of residue collection box is communicated on the both sides of filter box respectively, and the side, far from the filter box, of a pair of residue collection box all is communicated with residue collection bag, and the push residue component includes push residue board, and the side, far from the blow residue component, of the residue collection box communicated with the filter box of push residue board can be closed, and the side, close to the blow residue component, of the residue collection box communicated with the filter box of push residue board movably is provided with sealing plate.

[0007] Preferably, the push residue component further includes a push rod, the push residue board is movably connected with the side wall of the filter box through the push rod, the push residue board reciprocates on the surface of the filter screen, a first sealing gasket is detachably connected with the side, away from the push rod, of the push residue board, and a second sealing gasket is detachably connected with the side, facing the residue collection box, of the sealing plate.

[0008] Preferably, the blow residue component includes a blowing fan, a blow residue pipe and a blow nozzle, the blowing fan is installed on the top of the filter box, one end of the blow residue pipe is communicated with the air outlet of the blowing fan, the other end of the blow residue pipe penetrates into the top of the filter box, and the blow nozzle is detachably connected with the end of the blow residue pipe penetrating into the filter box.

[0009] Preferably, the multiple different filter components all include a pull-out box, the multiple pull-out boxes are all sealingly and slidably arranged in the filter box, and multiple first water passing holes are formed in the bottom of each pull-out box.

[0010] Preferably, the number of the filter components is two, and the pull-out boxes of the two filter components respectively contain a first filter element and a second filter element; the first filter element is a sand filter layer, the sand filter layer includes gravel, fine sand and coarse sand, and the gravel, the fine sand and the coarse sand are sequentially arranged in the pull-out box from bottom to top.

[0011] Preferably, the second filter element includes an activated carbon filter layer, the activated carbon filter layer includes an activated carbon filter bag and activated carbon particles, the activated carbon filter bag is contained in the pull-out box, and the activated carbon particles are filled in the activated carbon filter bag.

[0012] Preferably, the two ends of the activated carbon filter bag are respectively detachably connected with the two inner side walls of the pull-out box close to the top, and the second filter element further includes a filter membrane layer, the filter membrane layer includes a shell and a filter core, the shell is placed on the bottom of the pull-out box, and the filter core is contained in the shell.

[0013] Preferably, both of the pull-out boxes are provided with support plates arranged in the filter box, the support plates are provided with a plurality of second water passing holes, and the surface of the support plate is provided with a sliding groove.

[0014] Preferably, third sealing pads are arranged between the outer wall of the pull-out box and the inner wall of the filter box.

[0015] Preferably, an opening is arranged on the front side of the filter box near the filter screen, and a transparent window is detachably connected to the opening.

[0016] The technical scheme of the utility model has the following beneficial effects:

[0017] (1) The filter screen and the plurality of different filter assemblies are used for multi-stage filtration, and the filtration effect is good. The filter screen is combined with the slag pushing assembly and the slag blowing assembly for treatment, and the cleaning effect is good. The plurality of different filter assemblies are movably arranged in the filter box, and can be conveniently replaced, thereby effectively maintaining good filtration effect.

[0018] (2) The slag pushing plate and the sealing plate can respectively block or connect a pair of slag collecting boxes and the filter box, and the use is convenient. During filtration, the slag pushing plate and the sealing plate respectively seal a pair of long openings, so as to avoid leakage of waste water from the filter box to the slag collecting box. During cleaning of the filter screen, the slag pushing plate is away from the long opening, and the impurities pushed by the slag pushing plate can push away the sealing plate, so that the impurities pushed out by the slag pushing assembly and the impurities blown out by the slag blowing assembly can be collected through the pair of slag collecting boxes and the pair of slag collecting bags. The impurities on the filter screen are collected through the slag collecting bag, so as to reduce the frequency of impurity transfer. The slag collecting bag is bound to the slag collecting box, so that the slag collecting bag can be conveniently disassembled and replaced.

[0019] (3) The pull-out box is slid out of the filter box, so that the filter element in the pull-out box can be conveniently replaced. The plurality of first water passing holes arranged on the bottom of the pull-out box can make the waste water flow downward.

[0020] (4) First, the filter screen is used for filtering large particle impurities, then the sand filter layer is used for filtering metal scraps and other small suspended matters in the waste water, then the activated carbon filter layer is used for adsorbing dissolved organic matters, and finally the membrane filter layer is used for removing small particles and some colloids, so as to realize multi-stage filtration and good filtration effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the waste water filtering device in the utility model embodiment 1.

[0022] Figure 2 It is a partial sectional structure schematic view of the waste water filtering device in the utility model embodiment 1.

[0023] Figure 3 for Figure 2 A magnified structural diagram of part A in the middle;

[0024] Figure 4 for Figure 2 A magnified structural diagram of part B in the middle section;

[0025] Figure 5 for Figure 2 A magnified structural diagram of part C in the middle.

[0026] Reference numerals: 1-Filter box, 1a-Elongated opening, 2-Filter screen, 3-Filter assembly, 31-Pull-out box, 31a-First water passage hole, 32-First filter element, 321-Gravel, 322-Fine sand, 323-Coarse sand, 33-Second filter element, 331-Activated carbon filter bag, 332-Activated carbon granules, 333-Shell, 334-Filter element, 34-Support plate, 34a-Second water passage hole, 35- Slider, 36-Third sealing gasket, 37-Handle, 4-Slag pushing assembly, 41-Slag pushing plate, 42-Push rod, 43-First sealing gasket, 44-Telescopic motor, 5-Slag blowing assembly, 51-Purge blower, 52-Slag blowing pipe, 53-Nose, 6-Slag collecting assembly, 61-Slag collecting box, 62-Slag collecting bag, 63-Sealing plate, 64-Second sealing gasket, 7-Transparent window, 8-Water inlet connection pipe, 9-Drainage connection pipe. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. The components of the embodiments of the present invention described and shown herein can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] Example 1

[0031] like Figures 1 to 5As shown, the embodiment provides a wastewater filtering device, which comprises a filtering box 1, a filtering screen 2 and a plurality of different filtering assemblies 3 are sequentially arranged in the filtering box 1 from top to bottom; the filtering screen 2 is provided with a residue pushing assembly 4, a residue blowing assembly 5 and a pair of residue collecting assemblies 6, and the plurality of different filtering assemblies 3 are movably arranged in the filtering box 1; each of the pair of residue collecting assemblies 6 comprises a residue collecting box 61, and the pair of residue collecting boxes 61 are respectively connected to the two sides of the filtering box 1, the two side walls of the filtering box 1 are respectively provided with a long slot opening 1a, and the pair of residue collecting boxes 61 are respectively connected to the long slot openings 1a of the filtering box 1. The side of each of the pair of residue collecting boxes 61 away from the filtering box 1 is connected with a residue collecting bag 62, and the side of each of the pair of residue collecting boxes 61 away from the filtering box 1 is provided with a residue discharging port (not shown), and the pair of residue collecting bags 62 are respectively arranged at the residue discharging ports (not shown) of the residue collecting boxes 61. The residue pushing assembly 4 comprises a residue pushing plate 41, the side of the residue collecting box 61 away from the residue blowing assembly 5 is connected to one side of the filtering box 1, and the side of the residue collecting box 61 close to the residue blowing assembly 5 is movably provided with a sealing plate 63.

[0032] The plurality of different filtering assemblies 3 and the filtering screen 2 are used for multi-stage filtering, and the filtering effect is good. The filtering screen 2 is combined with the residue pushing assembly 4 and the residue blowing assembly 5 for treatment, and the cleaning effect is good; the plurality of different filtering assemblies 3 are movably arranged in the filtering box 1, which can be conveniently replaced, thereby effectively maintaining good filtering effect.

[0033] The pair of residue collecting boxes 61 and the pair of residue collecting bags 62 are used for collecting the impurities pushed out by the residue pushing assembly 4 and the impurities blown out by the residue blowing assembly 5. The residue collecting bags 62 are used for collecting the impurities on the filtering screen 2, which can reduce the frequency of impurity transfer. The residue collecting bags 62 are arranged on the residue collecting boxes 61, which can be conveniently disassembled and replaced.

[0034] The residue pushing plate 41 and the sealing plate 63 can respectively block or connect the pair of residue collecting boxes 61 and the filtering box 1, which is convenient to use. During the filtering operation, the residue pushing plate 41 and the sealing plate 63 respectively close the pair of long slot openings 1a, which is beneficial to the wastewater flowing through the filtering screen 2 and the plurality of different filtering assemblies 3 in the filtering box 1 in sequence, and avoids the wastewater leaking from the filtering box 1 to the residue collecting boxes 61. During the cleaning of the filtering screen 2, firstly, the residue pushing plate 41 is away from the long slot opening 1a to push the impurities, which can push the impurities away from the movably arranged sealing plate 63, and then the impurities fall into the residue collecting bag 62 through the residue collecting box 61; after the residue pushing plate 41 is away from the long slot opening 1a, the impurities can fall into another residue collecting bag 62 through another residue collecting box 61 by the residue blowing assembly 5; and the reciprocating pushing process of the residue pushing plate 41 can make the impurities fall into the pair of residue collecting bags 62 through the pair of residue collecting boxes 61, and the bidirectional residue discharging can improve the cleaning efficiency.

[0035] The length of the slag discharge port (not shown) is the same as the length of the long strip opening 1a, and the length of the slag pushing plate 41 is also the same as the length of the long strip opening 1a, which is beneficial to make the impurities pass through the long strip opening 1a and the slag discharge port (not shown) in turn, and then fall into the slag collecting bag 62. Further, the pair of slag collecting boxes 61 are both arranged downwardly inclined, which is beneficial to make the impurities quickly fall into the slag collecting bag 62.

[0036] In the embodiment, the slag pushing assembly 4 further comprises a pushing rod 42, the slag pushing plate 41 is movably connected with the side wall surface of the filter box 1 through the pushing rod 42, the slag pushing plate 41 reciprocates on the surface of the filter screen 2, the side of the slag pushing plate 41 away from the pushing rod 42 is bonded with a first sealing gasket 43 by waterproof adhesive, and the side of the sealing plate 63 facing the slag collecting box 61 is bonded with a second sealing gasket 64 by waterproof adhesive.

[0037] The pushing rod 42 is provided with a telescopic motor 44, the telescopic motor 44 is installed on the side wall surface of the filter box 1, one end of the pushing rod 42 is connected with the output shaft of the telescopic motor 44, and the other end of the pushing rod 42 is screwed with the side of the slag pushing plate 41 facing the telescopic motor 44. The telescopic motor 44 drives the pushing rod 42 to elongate or shorten, and then the pushing rod 42 can conveniently drive the slag pushing plate 41 to reciprocate on the surface of the filter screen 2. The first sealing gasket 43 and the second sealing gasket 64 are respectively beneficial to further improve the sealing effect of the slag pushing plate 41 and the sealing plate 63 on the long strip opening 1a, so that the wastewater cannot leak to the slag collecting box 61 through the long strip opening 1a during the filtering work.

[0038] In the embodiment, the slag blowing assembly 5 comprises a blowing fan 51, a slag blowing pipe 52 and a blowing nozzle 53, the blowing fan 51 is installed on the top of the filter box 1, one end of the slag blowing pipe 52 is communicated with the air outlet of the blowing fan 51, the other end of the slag blowing pipe 52 penetrates into the top of the filter box 1, and the blowing nozzle 53 is screwed with the end of the slag blowing pipe 52 penetrating into the filter box 1.

[0039] The blowing fan 51 is started, the airflow generated by the blowing fan 51 enters the slag blowing pipe 52 through the air outlet, and then is sprayed out through the blowing nozzle 53. The residual impurities on the surface of the filter screen 2 can be blown away through the blowing nozzle 53, and the moisture on the surface of the filter screen 2 can be blown away through the blowing, which is beneficial to the flow of the impurities and can further improve the cleaning efficiency of the impurities.

[0040] In the embodiment, the plurality of different filter assemblies 3 all comprise a plurality of pull-out boxes 31, and the plurality of pull-out boxes 31 are all sealingly and slidably arranged in the filter box 1. The pull-out box 31 can be conveniently pulled out from the filter box 1 to replace the filter element in the pull-out box 31. The plurality of first water passing holes 31a opened in the bottom of the pull-out box 31 can make the wastewater flow downward.

[0041] In the embodiment, the number of filter assemblies 3 is two, and the first filter 32 and the second filter 33 are respectively arranged in the pull-out boxes 31 of the two filter assemblies 3. The first filter 32 is a sand filter layer, and the sand filter layer includes gravel 321, fine sand 322 and coarse sand 323 which are sequentially laid in the pull-out box 31 from bottom to top.

[0042] The gravel 321 is laid at the bottom of the pull-out box 31, which can provide support for the coarse sand 323 and the fine sand 322 in the upper layer, prevent the coarse sand 323 and the fine sand 322 from sinking or collapsing due to water flow or weight, and effectively guide the water flow to flow downward due to the good gaps between the larger particles of the gravel 321. The sand material of the coarse sand 323 and the fine sand 322 can be quartz sand with good chemical stability, and the coarse sand 323 and the fine sand 322 can sequentially filter the small suspended matters such as metal debris with large particle size and small particle size in the water.

[0043] In the embodiment, the second filter 33 includes an activated carbon filter layer, and the activated carbon filter layer includes an activated carbon filter bag 331 and activated carbon particles 332. The activated carbon filter bag 331 is arranged in the pull-out box 31, and the activated carbon particles 332 are filled in the activated carbon filter bag 331. The activated carbon particles 332 can adsorb dissolved organic matter.

[0044] In the embodiment, the two ends of the activated carbon filter bag 331 are respectively bonded to the two inner side walls of the pull-out box 31 near the top by a waterproof adhesive. The second filter 33 further includes a filter membrane layer, and the filter membrane layer includes a housing 333 and a filter core 334. The housing 333 is placed at the bottom of the pull-out box 31, and the filter core 334 is arranged in the housing 333. The filter core 334 can effectively remove small particles and some colloids, achieve more precise filtration, and further improve water quality. The filter core 334 can be selected as a ultrafiltration membrane filter core or a nanofiltration membrane filter core according to needs.

[0045] In the embodiment, the two pull-out boxes 31 are both provided with a support plate 34, and the support plate 34 is arranged in the filter box 1. The support plate 34 is provided with a plurality of second water holes 34a, and the surface of the support plate 34 is provided with a sliding groove. The bottom of the pull-out box 31 is provided with a sliding block 35, and the sliding groove is used for embedding the sliding block 35. The sliding block 35 and the sliding groove can facilitate the smooth sliding of the pull-out box 31. Further, the front side of the pull-out box 31 is further provided with a handle 37 for easy pulling. The second water holes 34a can make the wastewater flow downward.

[0046] In the embodiment, the third sealing gasket 36 is arranged between the outer wall surface of the pull-out box 31 and the inner wall surface of the filter box 1. The third sealing gasket 36 is bonded to the inner wall surface of the filter box 1 by a waterproof adhesive. The third sealing gasket 36 is beneficial to further improve the sealing performance between the pull-out box 31 and the filter box 1, and avoid the leakage of wastewater.

[0047] In the embodiment, an opening is formed on the front side of the filter box 1 close to the filter screen 2, and a transparent window 7 is screwed on the opening.

[0048] In the embodiment, the top of the filter box 1 is provided with a water inlet connecting pipe 8, the bottom of the filter box 1 is provided with a water outlet connecting pipe 9, and the bottom of the filter box 1 is funnel-shaped, which is beneficial to the quick discharge of the filtered wastewater.

[0049] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wastewater filtering device, characterized by, Including filter box (1), filter box (1) from top to bottom in turn set up filter screen (2) and multiple different filter components (3); The filter screen (2) is provided with a slag pushing assembly (4), a slag blowing assembly (5) and a pair of slag collecting assemblies (6), and the multiple different filter components (3) are movably arranged in the filter box (1). A pair of the slag collecting assemblies (6) each include a slag collecting box (61), a pair of the slag collecting boxes (61) are respectively communicated with two sides of the filter box (1), a pair of the slag collecting boxes (61) are respectively communicated with a slag collecting bag (62) away from one side of the filter box (1), and the slag pushing assembly (4) includes a slag pushing plate (41), the slag pushing plate (41) is closable to one side of the filter box (1) communicated with the slag collecting box (61) away from the slag blowing assembly (5), and the slag collecting box (61) close to the slag blowing assembly (5) is movably provided with a sealing plate (63) communicated with one side of the filter box (1).

2. The wastewater filter device of claim 1, wherein, The slag pushing assembly (4) further includes a push rod (42), the slag pushing plate (41) is movably connected with the side wall of the filter box (1) through the push rod (42), and the slag pushing plate (41) reciprocates on the surface of the filter screen (2); The slag pushing plate (41) is detachably connected with a first sealing gasket (43) away from the push rod (42), and the sealing plate (63) is detachably connected with a second sealing gasket (64) facing the slag collecting box (61).

3. The wastewater filter apparatus of claim 1, wherein, The slag blowing assembly (5) includes a blowing fan (51), a slag blowing pipe (52) and a blowing nozzle (53), the blowing fan (51) is installed on the top of the filter box (1), one end of the slag blowing pipe (52) is communicated with the air outlet of the blowing fan (51), the other end of the slag blowing pipe (52) penetrates into the top of the filter box (1), and the blowing nozzle (53) is detachably connected with the end of the slag blowing pipe (52) penetrating into the filter box (1).

4. The wastewater filter apparatus of claim 1, wherein, Multiple different filter components (3) each include a pull-out box (31), multiple pull-out boxes (31) are movably arranged in the filter box (1), and multiple first water holes (31a) are formed in the bottom of each pull-out box (31).

5. The wastewater filter apparatus of claim 4, wherein, The number of the filter components (3) is two, and the pull-out boxes (31) of the two filter components (3) are respectively provided with a first filter element (32) and a second filter element (33). The first filter element (32) is a sand filter layer, the sand filter layer includes gravel (321), fine sand (322) and coarse sand (323), and the gravel (321), the fine sand (322) and the coarse sand (323) are sequentially arranged in the pull-out box (31) from bottom to top.

6. The wastewater filter apparatus of claim 5, wherein, The second filter element (33) includes an activated carbon filter layer, the activated carbon filter layer includes an activated carbon filter bag (331) and activated carbon particles (332), the activated carbon filter bag (331) is arranged in the pull-out box (31), and the activated carbon particles (332) are filled in the activated carbon filter bag (331).

7. The wastewater filter apparatus of claim 6, wherein, Two ends of the activated carbon filter bag (331) are respectively detachably connected with two inner side walls of the pull-out box (31) near the top, the second filter element (33) further comprises a filter membrane layer, the filter membrane layer comprises a shell (333) and a filter core (334), the shell (333) is placed at the bottom of the pull-out box (31), and the filter core (334) is contained in the shell (333).

8. The wastewater filter apparatus of any one of claims 4 to 7, wherein, Both of the pull-out boxes (31) are provided with support plates (34), the support plates (34) are arranged in the filter box (1), a plurality of second water through holes (34a) are formed in the support plates (34), and the surfaces of the support plates (34) are provided with sliding grooves, the bottoms of the pull-out boxes (31) are provided with sliding blocks (35), and the sliding grooves are used for embedding the sliding blocks (35).

9. The wastewater filter apparatus of claim 4, wherein, Third sealing pads (36) are arranged between the outer walls of the pull-out boxes (31) and the inner walls of the filter box (1).

10. The wastewater filter apparatus of claim 1, wherein, An opening is formed in the front side of the filter box (1) near the filter screen (2), and a transparent window (7) is detachably connected to the opening.

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