Solid waste filtering device for sewage treatment

Abstract

The utility model relates to the technical field of filtering devices, in particular to a solid waste filtering device for sewage treatment, which comprises a filtering box and a flow guide funnel arranged on the lower surface of the filtering box, two intercepting nets arranged in a V shape are fixedly arranged on the inner wall of the filtering box, and the filtering box is of a structure with an upper opening and a lower opening; and the cleaning assembly is used for cleaning the solid waste intercepted by the intercepting net, the cleaning assembly comprises a cleaning plate arranged on the surface of the intercepting net in a sliding mode and a mounting strip fixedly arranged on the outer surface of the filtering box, a strip-shaped groove is formed in the upper surface of the mounting strip, and a reciprocating lead screw is rotationally arranged on the inner wall of the strip-shaped groove. According to the sewage treatment device disclosed by the utility model, the cleaning assembly is arranged, so that when the sewage treatment device is used for treating sewage, solid wastes can be cleaned in the sewage treatment process, and the defect that solid and liquid cannot be continuously separated in the prior art is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a solid waste filtering device for sewage treatment. Background Art

[0002] Sewage treatment refers to the process of purifying sewage so that it meets the water quality requirements for discharge into a water body or reuse. In the process of sewage treatment, filtering devices are needed to intercept solid waste in the sewage.

[0003] In the prior art, a solid waste filtering device for sewage treatment with announcement number CN220294281U adopts a scheme of "including a mounting cylinder, a plurality of legs are arranged in a ring at the bottom of the mounting cylinder, a cylindrical mounting box is connected to the bottom inner wall of the cylindrical mounting box, a motor is fixedly connected to the bottom inner wall of the cylindrical mounting box, an output shaft of the motor passes through the bottom inner wall of the mounting cylinder, extends into the mounting cylinder and is fixedly sleeved with a rotating cylinder, and a plurality of rectangular holes are arranged in a ring on the outer wall of the rotating cylinder". This scheme is simple to use, sewage can be poured into multiple rotating cylinders, and when the motor is started, the rotating cylinder can be driven to rotate and the moisture of the solid waste in the sewage in the rotating cylinder can be thrown out for solid-liquid separation, and the filter disc has a filtering effect on moisture and sewage, and the pressure plate can squeeze out the solid waste moisture in the sewage in the rotating cylinder through the tension of the tension spring, and a first scraper and a second scraper are arranged on the rotating cylinder to clean the stains in the mounting cylinder.

[0004] However, the above scheme still has some shortcomings. For example, in the actual process of sewage treatment and filtration, it can only treat a certain amount of sewage at a time. Since the amount of sewage treatment is generally large, the separation efficiency of the device is low when separating solids and liquids from a large amount of sewage. That is, the technical solution proposed by the above patent technology has the defect of being unable to separate solids and liquids continuously.

[0005] In view of this, the utility model proposes a solid waste filtering device for sewage treatment. Utility Model Content

[0006] The purpose of the utility model is to provide a solid waste filtering device for sewage treatment to solve the problems raised in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solid waste filtering device for sewage treatment, comprising:

[0008] A filter box, and a guide funnel arranged on the lower surface of the filter box, the inner wall of the filter box is fixedly provided with two interception nets arranged in a V shape, and the filter box is an upper and lower opening structure;

[0009] A cleaning assembly, which is used to clean the solid waste intercepted by the interception net, the cleaning assembly comprising a cleaning plate slidably arranged on the surface of the interception net, and a mounting bar fixedly arranged on the outer surface of the filter box, the upper surface of the mounting bar is provided with a strip groove, and a reciprocating screw is rotatably arranged on the inner wall of the strip groove, a driving motor for driving the reciprocating screw to rotate is arranged at the end of the mounting bar, a U-shaped plate is slidably arranged on the inner wall of the strip groove, the end of the U-shaped plate is fixedly connected to the upper surface of the cleaning plate, and a threaded hole threadedly connected to the outer surface of the reciprocating screw is arranged on the side of the U-shaped plate;

[0010] The discharge assembly is used to discharge the solid waste cleaned by the cleaning plate.

[0011] As a preferred technical solution, the cleaning plate includes a first plate body and a second plate body which are respectively slidably arranged on the inner wall of the filter box, a rectangular cavity is opened on the lower surface of the first plate body, and the outer surface of the second plate body is slidably connected to the inner wall of the rectangular cavity, and the bottom end of the second plate body is a smooth chamfered structure.

[0012] As a preferred technical solution, a plurality of retaining springs are equidistantly fixed on the upper surface of the second plate body, and ends of the plurality of retaining springs away from the second plate body are fixedly connected to the inner top wall of the rectangular cavity.

[0013] As a preferred technical solution, the discharge assembly includes discharge ports opened on both side surfaces of the filter box, and blocking plates arranged on both side surfaces of the filter box for blocking the discharge ports.

[0014] As a preferred technical solution, the opposite surfaces of the two blocking plates are fixedly provided with push rods corresponding to the cleaning plates, and the ends of the push rods are fixedly provided with connecting plates.

[0015] As a preferred technical solution, the discharge assembly also includes two fixing plates symmetrically fixed on the back of the filter box, two symmetrical telescopic rods are fixed on the surface of the fixing plates, and the ends of the telescopic rods are fixedly connected to the surface of the sealing plate.

[0016] As a preferred technical solution, a return spring is sleeved on the outer surface of the telescopic rod, and two ends of the return spring are fixedly connected to the surfaces of the fixing plate and the blocking plate respectively.

[0017] Beneficial Effects

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model is provided with a cleaning component, so that the device can clean up solid waste during the sewage treatment process, thereby effectively solving the defect of the prior art that solid-liquid separation cannot be performed continuously.

[0020] 2. The utility model is provided with a discharge assembly, and in the process of the movement of the cleaning plate, the push rod can be pushed, so as to push open the blocking plate, so that the solid waste cleaned by the cleaning plate can be smoothly discharged from the filter box, and the utility model is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a rear view structural diagram of the utility model;

[0024] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0026] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0027] In the figure:

[0028] 100, filter box; 101, diversion funnel; 102, interception net;

[0029] 200, cleaning assembly; 201, cleaning plate; 2011, first plate body; 2012, second plate body; 2013, holding spring; 202, mounting bar; 203, reciprocating screw; 204, driving motor; 205, U-shaped plate;

[0030] 300, discharge assembly; 301, blocking plate; 302, ejector rod; 303, fixing plate; 304, telescopic rod; 305, return spring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1

[0033] According to the attached Figure 1-4 As shown, the embodiment of the utility model provides a solid waste filtering device for sewage treatment, comprising:

[0034] A filter box 100, and a guide funnel 101 arranged on the lower surface of the filter box 100, two interception nets 102 arranged in a V shape are fixed on the inner wall of the filter box 100, and the filter box 100 is an upper and lower opening structure;

[0035] The cleaning assembly 200 is used to clean the solid waste intercepted by the interception net 102. The cleaning assembly 200 includes a cleaning plate 201 slidably set on the surface of the interception net 102, and a mounting strip 202 fixed on the outer surface of the filter box 100. The cleaning plate 201 includes a first plate body 2011 and a second plate body 2012 slidably set on the inner wall of the filter box 100, respectively. A rectangular cavity is opened on the lower surface of the first plate body 2011, and the outer surface of the second plate body 2012 is slidably connected to the inner wall of the rectangular cavity, and the bottom end of the second plate body 2012 is a smooth chamfered structure.

[0036] A plurality of retaining springs 2013 are fixedly disposed at equal intervals on the upper surface of the second plate body 2012 , and one end of the plurality of retaining springs 2013 away from the second plate body 2012 is fixedly connected to the inner top wall of the rectangular cavity.

[0037] A strip groove is provided on the upper surface of the mounting strip 202, and a reciprocating screw 203 is rotatably provided on the inner wall of the strip groove, a driving motor 204 for driving the reciprocating screw 203 to rotate is provided at the end of the mounting strip 202, a U-shaped plate 205 is slidably provided on the inner wall of the strip groove, the end of the U-shaped plate 205 is fixedly connected to the upper surface of the cleaning plate 201, and a threaded hole threadedly connected to the outer surface of the reciprocating screw 203 is provided on the side of the U-shaped plate 205.

[0038] In addition, discharge ports are provided on both side surfaces of the filter box 100 .

[0039] In this embodiment, by setting a cleaning component 200, the device can discharge sewage into the filter box 100 from directly above the filter box 100 when treating sewage, and intercept solid waste under the action of two interception nets 102 arranged in a V shape, so as to achieve the purpose of solid-liquid separation in sewage. During the interception process, the drive motor 204 can be started to drive the reciprocating screw 203 to rotate, and the rotation of the reciprocating screw 203 drives the U-shaped plate 205 to slide on the inner wall of the strip groove, thereby driving the cleaning plate 201 to slide on the surface of the interception net 102, and the waste intercepted by the interception net 102 is cleaned and discharged through the discharge port. Moreover, during the movement of the cleaning plate 201, the bottom end of the second plate body 2012 can always be in contact with the surface of the two interception nets 102 arranged in the V shape under the action of the holding spring 2013, thereby ensuring the adequacy of cleaning, so that the solid waste can be cleaned in the process of sewage treatment, thereby effectively solving the defect that the solid-liquid separation cannot be continuously performed in the prior art.

[0040] Embodiment 2

[0041] Based on Example 1, refer to Figure 3 , and different from the first embodiment,

[0042] A solid waste filtering device for sewage treatment, further comprising:

[0043] The discharge assembly 300 is used to discharge the solid waste cleaned by the cleaning plate 201 .

[0044] The discharge assembly 300 includes a blocking plate 301 disposed on both side surfaces of the filter box 100 for blocking the discharge port.

[0045] The opposite surfaces of the two blocking plates 301 are fixedly provided with push rods 302 corresponding to the cleaning plates 201 , and the ends of the push rods 302 are fixedly provided with connecting plates.

[0046] The discharge assembly 300 further includes two fixing plates 303 symmetrically fixed on the back of the filter box 100 , two symmetrical telescopic rods 304 are fixed on the surface of the fixing plates 303 , and the ends of the telescopic rods 304 are fixedly connected to the surface of the blocking plate 301 .

[0047] A return spring 305 is sleeved on the outer surface of the telescopic rod 304 , and two ends of the return spring 305 are fixedly connected to the surfaces of the fixing plate 303 and the blocking plate 301 respectively.

[0048] In this embodiment, by setting up a discharge assembly 300, during the movement of the cleaning plate 201, when the cleaning plate 201 moves to the specified height position of the intercepting net 102, the cleaning plate 201 can push the push rod 302, thereby pushing open the blocking plate 301, so that the solid waste cleaned by the cleaning plate 201 can be smoothly discharged from the filter box 100. During the process of the driving motor 204 rotating to drive the cleaning plate 201 to move in the opposite direction, the blocking plate 301 can automatically block the discharge port under the action of the telescopic rod 304 and the return spring 305, and is highly practical.

[0049] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A solid waste filtering device for sewage treatment, characterized in that: include, A filter box (100), and a guide funnel (101) arranged on the lower surface of the filter box (100), the inner wall of the filter box (100) being fixedly provided with two interception nets (102) arranged in a V shape, and the filter box (100) being a structure with upper and lower openings; A cleaning assembly (200) for cleaning solid waste intercepted by an interception net (102), the cleaning assembly (200) comprising a cleaning plate (201) slidably arranged on the surface of the interception net (102), and a mounting bar (202) fixedly arranged on the outer surface of the filter box (100), the upper surface of the mounting bar (202) being provided with a strip groove, and a reciprocating screw (203) being rotatably arranged on the inner wall of the strip groove, a driving motor (204) for driving the reciprocating screw (203) to rotate being arranged at the end of the mounting bar (202), a U-shaped plate (205) being slidably arranged on the inner wall of the strip groove, the end of the U-shaped plate (205) being fixedly connected to the upper surface of the cleaning plate (201), and a threaded hole being threadedly connected to the outer surface of the reciprocating screw (203) being arranged on the side surface of the U-shaped plate (205); The discharge assembly (300) is used to discharge the solid waste cleaned by the cleaning plate (201).

2. A solid waste filtering device for sewage treatment according to claim 1, characterized in that: The cleaning plate (201) comprises a first plate body (2011) and a second plate body (2012) which are respectively slidably arranged on the inner wall of the filter box (100); a rectangular cavity is provided on the lower surface of the first plate body (2011); and the outer surface of the second plate body (2012) is slidably connected to the inner wall of the rectangular cavity; the bottom end of the second plate body (2012) is a rounded chamfered structure.

3. A solid waste filtering device for sewage treatment according to claim 2, characterized in that: A plurality of retaining springs (2013) are fixedly arranged at equal intervals on the upper surface of the second plate body (2012), and the ends of the plurality of retaining springs (2013) away from the second plate body (2012) are fixedly connected to the inner top wall of the rectangular cavity.

4. A solid waste filtering device for sewage treatment according to claim 1, characterized in that: The discharge assembly (300) comprises discharge ports opened on both side surfaces of the filter box (100), and blocking plates (301) arranged on both side surfaces of the filter box (100) for blocking the discharge ports.

5. A solid waste filtering device for sewage treatment according to claim 4, characterized in that: The opposing surfaces of the two blocking plates (301) are both fixedly provided with push rods (302) corresponding to the cleaning plates (201), and the ends of the push rods (302) are fixedly provided with connecting plates.

6. A solid waste filtering device for sewage treatment according to claim 4, characterized in that: The discharge assembly (300) further comprises two fixing plates (303) symmetrically fixed on the back of the filter box (100), two symmetrical telescopic rods (304) being fixed on the surface of the fixing plates (303), and the ends of the telescopic rods (304) being fixedly connected to the surface of the blocking plate (301).

7. A solid waste filtering device for sewage treatment according to claim 6, characterized in that: A return spring (305) is sleeved on the outer surface of the telescopic rod (304), and two ends of the return spring (305) are respectively fixedly connected to the surfaces of the fixing plate (303) and the blocking plate (301).

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