Wastewater treatment equipment with multi-layer filtration

Abstract

The utility model discloses wastewater treatment equipment with multi-layer filtration, which relates to the technical field of wastewater treatment and comprises a filter cartridge, three collecting tanks are fixedly mounted in the filter cartridge, and a first conical filter plate, a second conical filter plate and a third conical filter plate are fixedly mounted on the three collecting tanks respectively; the edges of the first conical filter plate, the second conical filter plate and the third conical filter plate are fixedly connected with the inner sides of the corresponding collecting grooves, drain outlets are formed in the inner bottom surfaces of the collecting grooves, collecting boxes are slidably mounted at the positions, corresponding to the drain outlets, of the side wall of the filter cartridge in a sealed mode, and brushes are slidably mounted in the collecting grooves; a collecting box, a brush, a rotating shaft, a scraping plate, a sealing block and a collecting groove are arranged; the rotating shaft rotates to drive the scraping plate and the brush to rotate, and the scraping plate rotates to clean impurities and dirt on the surfaces of the first conical filter plate, the second conical filter plate and the third conical filter plate, so that residual dirt on the upper surfaces of the filter plates is prevented from influencing the wastewater filtering efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially relates to a wastewater treatment equipment with multilayer filtration. BACKGROUND

[0002] Wastewater treatment equipment is a kind of equipment specially used to treat wastewater, removes impurities, harmful substances and peculiar smell in wastewater by physical, chemical, biological method etc., makes wastewater reach discharge standard or recycling requirement, according to the nature and processing requirement of wastewater, can select different wastewater treatment equipment and technology, common wastewater treatment technology includes sedimentation, filtration, adsorption, biodegradation etc.

[0003] In the wastewater treatment equipment with multilayer filtration disclosed in Chinese patent CN221771689U, a filter box is provided with a fixing opening on the top surface, a rotating block is connected to the inner wall of the fixing opening, a water inlet pipe penetrates the left side of the top surface of the rotating block, a support block is fixedly connected to the right side of the inner wall of the filter box, a sealing cylinder is fixedly connected to the left side of the top surface of the support block, a spring is fixedly connected to the inner wall of the lower side of the sealing cylinder and the bottom surface of the rotating block, a fixing ring is fixedly connected to the bottom surface of the rotating block, two limiting grooves are formed in the inner wall of the fixing ring, two limiting blocks are slidingly connected to the inner wall of the two limiting grooves, and the opposite sides of the two limiting blocks are fixedly connected to the cylinder wall of the sealing cylinder.

[0004] The above-mentioned existing wastewater treatment equipment, when in use, is inclined by setting the filter screen, so that the impurities are accumulated on the bottom side of the filter screen. However, after using the filter screen for a period of time, the wastewater impurities remaining on the filter screen will be more and more, which will cause the filter screen to be blocked, affecting the wastewater treatment efficiency.

[0005] To solve the above-mentioned problems, the utility model provides a wastewater treatment equipment with multilayer filtration. UTILITY MODEL CONTENTS

[0006] To solve the problems in the background art, the utility model provides a wastewater treatment equipment with multilayer filtration.

[0007] To achieve the above object, the utility model provides following technical scheme: A wastewater treatment equipment with multilayer filtration, including filter drum, three collecting tanks are fixedly installed in the inside of filter drum, first conical filter plate, second conical filter plate and third conical filter plate are fixedly installed on three collecting tanks respectively, the edge of first conical filter plate, second conical filter plate and third conical filter plate are all fixedly connected with the inside of corresponding collecting tank, the inside bottom of collecting tank is all provided with blowdown, collecting box is sealingly and slidably installed on the position of the side wall of filter drum corresponding blowdown, brush is slidably installed in the inside of collecting tank, rotating shaft is rotatably installed on first conical filter plate, second conical filter plate and third conical filter plate, three scrapers are fixedly connected with the outside of rotating shaft, the other end of scraper is fixedly connected with corresponding brush, the upper surface of first conical filter plate, second conical filter plate and third conical filter plate is respectively pasted with three scrapers.

[0008] Preferably, the inside bottom of the collecting tank and the bottom of the collecting box are both provided with sieve holes.

[0009] Preferably, the collecting box is fixedly installed with a sealing block, the sealing block is sealingly and slidably connected with the filter drum, the two sides of the collecting box and the sealing block are both fixedly connected with a limiting block, the side wall of the filter drum is provided with a limiting slot corresponding to the two sides of the collecting box, and the limiting block is limitingly and slidably installed in the limiting slot.

[0010] Preferably, the inside top end of the filter drum is fixedly installed with a water guide pipe, the bottom of the water guide pipe is annularly and uniformly provided with a plurality of through holes, the upper end surface of the filter drum is fixedly connected with a water inlet pipe, and the bottom end of the water inlet pipe extends into the inside of the water guide pipe.

[0011] Preferably, the upper end surface of the filter drum is fixedly installed with a motor, the output shaft of the motor is fixedly connected with the top end of the rotating shaft, the outside of the rotating shaft is fixedly connected with a water distribution blade, and the water distribution blade is arranged in the inside of the water guide pipe.

[0012] Preferably, the inside bottom end of the filter drum is fixedly connected with a funnel, the bottom end of the funnel is fixedly connected with a water outlet pipe, and the other end of the water outlet pipe extends to the outside of the filter drum.

[0013] Advantages

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The wastewater treatment equipment with multilayer filtration is provided with a collecting box, a brush, a rotating shaft, a scraper, a sealing block and a collecting tank, the rotating shaft rotates to drive the scraper and the brush to rotate, the scraper rotates to clean the impurities and dirt on the surfaces of the first conical filter plate, the second conical filter plate and the third conical filter plate, and the residual dirt on the upper surfaces of the filter plates is avoided to affect the filtration efficiency of the wastewater. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings and examples:

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the internal structure schematic view of the utility model;

[0019] Figure 3 It is the partial sectional view structure schematic view of the utility model;

[0020] Figure 4 It is the utility model Figure 2 The enlarged schematic view of A place in the middle.

[0021] The drawing reference: 1, filter cartridge;2, collection groove;3, first conical filter plate;4, second conical filter plate;5, third conical filter plate;6, blowdown;7, collection box;8, brush;9, rotating shaft;10, scraper;11, sealing block;12, water guide pipe;13, water inlet pipe;14, motor;15, water distribution blade;16, hopper. Specific implementation

[0022] This part will describe the specific embodiment of the utility model in detail, the preferred embodiment of the utility model is shown in the attached drawings, the function of the attached drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme: a wastewater treatment equipment with multilayer filtration, including filter cartridge 1, the inside bottom end of filter cartridge 1 is fixedly connected with funnel 16, the bottom end of funnel 16 is fixedly connected with water outlet pipe, the other end of water outlet pipe extends to the outside of filter cartridge 1.

[0024] Three collection grooves 2 are fixedly installed in the inside of filter cartridge 1, and first conical filter plate 3, second conical filter plate 4 and third conical filter plate 5 are fixedly installed on three collection grooves 2 respectively. By setting multilayer filter plate, the filtration effect of wastewater is improved.

[0025] The filter hole diameter on first conical filter plate 3, second conical filter plate 4 and third conical filter plate 5 decreases from top to bottom in turn. So that the large particles in wastewater are blocked on the upper surface of first conical filter plate 3, the small particles are blocked on the upper surface of second conical filter plate 4, and the tiny particles are blocked on the upper surface of third conical filter plate 5. Multistage filtration of wastewater is realized.

[0026] The edge of first conical filter plate 3, second conical filter plate 4 and third conical filter plate 5 is fixedly connected with the inner side of corresponding collection groove 2, so that wastewater can flow into the inside of collection groove 2 through the inclined surface of filter plate.

[0027] The inner bottom surface of the collecting groove 2 is provided with a sewage outlet 6, and the side wall of the filter cylinder 1 is provided with a collecting box 7 corresponding to the position of the sewage outlet 6. The collecting box 7 collects impurity particles in the wastewater.

[0028] The inner bottom surface of the collecting groove 2 and the bottom surface of the collecting box 7 are provided with sieve holes. The wastewater can pass through the sieve holes through the collecting groove 2 and the collecting box 7.

[0029] The inner bottom surface of the collecting groove 2 is provided with a brush 8, and the first conical filter plate 3, the second conical filter plate 4 and the third conical filter plate 5 are provided with a rotating shaft 9. The outer side of the rotating shaft 9 is fixedly connected with three scrapers 10, and the other end of the scraper 10 is fixedly connected with the corresponding brush 8. The three scrapers 10 are respectively attached to the upper surfaces of the first conical filter plate 3, the second conical filter plate 4 and the third conical filter plate 5.

[0030] The scraper 10 rotates to clean the impurities and dirt on the surfaces of the first conical filter plate 3, the second conical filter plate 4 and the third conical filter plate 5, so as to avoid the influence of residual dirt on the upper surface of the filter plate on the filtering efficiency of the wastewater. The impurities and dirt are continuously scraped and flow into the collecting groove 2 along with the wastewater. The rotation of the brush 8 causes the impurities and dirt in the collecting groove 2 to enter the inside of the collecting box 7 through the sewage outlet 6.

[0031] The collecting box 7 is fixedly provided with a sealing block 11, and the outer side of the sealing block 11 is fixedly connected with a handle. The handle is arranged to facilitate pulling the sealing block 11.

[0032] The sealing block 11 is sealingly and slidingly connected with the filter cylinder 1, and the collecting box 7 is fixedly connected with limiting blocks on both sides of the sealing block 11. The side wall of the filter cylinder 1 is provided with limiting grooves corresponding to both sides of the collecting box 7, and the limiting blocks are limitingly and slidingly installed in the limiting grooves. The limiting grooves and the limiting blocks are arranged to make the connection between the collecting box 7, the sealing block 11 and the filter cylinder 1 more stable.

[0033] In order to make the wastewater evenly fall on the filter plate, a water guide pipe 12 is fixedly installed at the top end of the filter cylinder 1. The bottom surface of the water guide pipe 12 is annularly and uniformly provided with a plurality of through holes. The upper end surface of the filter cylinder 1 is fixedly connected with a water inlet pipe 13, and the bottom end of the water inlet pipe 13 extends into the inside of the water guide pipe 12.

[0034] A motor 14 is fixedly installed on the upper end surface of the filter cylinder 1. The output shaft of the motor 14 is fixedly connected with the top end of the rotating shaft 9. The outer side of the rotating shaft 9 is fixedly connected with a water distribution blade 15, and the water distribution blade 15 is arranged in the inside of the water guide pipe 12.

[0035] Working principle:

[0036] In use, the wastewater is discharged into the interior of the water guide pipe 12 through the water inlet pipe 13, and the motor 14 is started to drive the rotating shaft 9 to rotate, the rotating shaft 9 drives the water distribution blades 15 to rotate, the water distribution blades 15 evenly distribute the wastewater in the interior of the water guide pipe 12, and the wastewater evenly falls on the surface of the first conical filter plate 3 through the through holes in the bottom of the water guide pipe 12.

[0037] The rotating shaft 9 drives the scraper 10 and the brush 8 to rotate, the scraper 10 removes the impurities and dirt on the surfaces of the first conical filter plate 3, the second conical filter plate 4 and the third conical filter plate 5, so that the filter plates are not affected by the residual dirt on the surfaces of the filter plates, and the filtering efficiency of the wastewater is improved. The impurities and dirt are continuously scraped and flow into the collecting groove 2 along with the wastewater, the brush 8 drives the impurities and dirt in the collecting groove 2 to enter the interior of the collecting box 7 through the dirt outlet 6, and the wastewater can flow downwards through the screen holes in the bottom of the collecting groove 2 and the collecting box 7. When the impurities and dirt in the collecting box 7 are collected, the sealing block 11 is pulled out by pulling the handle outside the sealing block 11, and the collecting box 7 is separated from the interior of the filter cylinder 1, so that the collecting box 7 is cleaned.

[0038] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A wastewater treatment apparatus with multi-layer filtration, comprising a filter cartridge (1), characterized in that: The inside of the filter cartridge (1) is fixedly provided with three collecting grooves (2), and the first, second and third conical filter plates (3, 4 and 5) are fixedly arranged on the three collecting grooves (2) respectively; the edges of the first, second and third conical filter plates (3, 4 and 5) are fixedly connected with the inner sides of the corresponding collecting grooves (2), the inner bottom surfaces of the collecting grooves (2) are provided with sewage discharge openings (6), the collecting boxes (7) are sealingly and slidably arranged on the side walls of the filter cartridge (1) at positions corresponding to the sewage discharge openings (6), the brushes (8) are slidably arranged in the collecting grooves (2), the rotating shafts (9) are rotatably arranged on the first, second and third conical filter plates (3, 4 and 5), the outer sides of the rotating shafts (9) are fixedly connected with the three scrapers (10), and the other ends of the scrapers (10) are fixedly connected with the corresponding brushes (8); the three scrapers (10) are in contact with the upper surfaces of the first, second and third conical filter plates (3, 4 and 5) respectively.

2. A wastewater treatment apparatus having multiple filtration layers according to claim 1, characterized in that: The inner bottom surfaces of the collecting grooves (2) and the bottom surface of the collecting box (7) are provided with sieve holes.

3. A wastewater treatment apparatus having multiple filtration layers as claimed in claim 1, wherein: The sealing blocks (11) are fixedly arranged on the collecting boxes (7), the sealing blocks (11) are sealingly and slidably connected with the filter cartridge (1), the limiting blocks are fixedly arranged on the two sides of the collecting box (7), the limiting grooves are arranged on the side walls of the filter cartridge (1) at positions corresponding to the two sides of the collecting box (7), and the limiting blocks are limitingly and slidably arranged in the limiting grooves.

4. A wastewater treatment apparatus having multiple filtration layers as claimed in claim 1, wherein: The water guide pipes (12) are fixedly arranged at the top ends of the filter cartridge (1), the bottom surfaces of the water guide pipes (12) are annularly and uniformly provided with a plurality of through holes, the water inlet pipes (13) are fixedly connected with the upper end surfaces of the filter cartridge (1), and the bottom ends of the water inlet pipes (13) extend into the water guide pipes (12).

5. A wastewater treatment apparatus having multiple filtration layers as claimed in claim 1, wherein: The motors (14) are fixedly arranged on the upper end surfaces of the filter cartridge (1), the output shafts of the motors (14) are fixedly connected with the top ends of the rotating shafts (9), the water distribution blades (15) are fixedly connected with the outer sides of the rotating shafts (9), and the water distribution blades (15) are arranged in the water guide pipes (12).

6. A wastewater treatment apparatus having multiple filtration layers as claimed in claim 1, wherein: The hoppers (16) are fixedly arranged at the bottom ends of the filter cartridge (1), the water outlet pipes are fixedly connected with the bottom ends of the hoppers (16), and the other ends of the water outlet pipes extend out of the filter cartridge (1).

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