Sludge settling and cleaning device for wastewater treatment

Abstract

The utility model relates to a sludge settling and cleaning device, in particular to a sludge settling and cleaning device for wastewater treatment, which comprises a barrel and an end cover fixed at one end of the barrel, a sludge settling and cleaning mechanism is arranged in the barrel, and a first driving motor is fittingly arranged at the end of the sludge settling and cleaning mechanism. The end cover is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with a first valve body, and the water outlet pipe is provided with a second valve body, so that the sewage treatment device has the advantages that waste water settles in the barrel body, the environment can be prevented from being influenced by overflowing of peculiar smell, and the second driving motor drives the arc-shaped sludge scraping main body to rotate so as to lift sludge; when the sludge scraping plate rotates to the top from the bottom of the barrel, the sludge enters the sludge conveying main body along the arc-shaped notch, and the sludge is cleaned and discharged along with rotation of the screw rod.

Description

Technical Field

[0001] The utility model belongs to the technical field of sludge settling and cleaning, in particular to a sludge settling and cleaning device for wastewater treatment. Background Art

[0002] Wastewater refers to the general term for water discharged during residents' activities and runoff rainwater. It includes domestic sewage, industrial wastewater, and other unused water such as initial rain runoff into drainage pipes. It generally refers to water that is not used or has no use value.

[0003] At present, wastewater treatment needs to go through filtration, sedimentation, sterilization and biochemical treatment, and then be discharged after meeting the standards. Wastewater sedimentation is an indispensable step in wastewater treatment. Most of the existing sedimentation tanks are open-air. Since there is a certain odor in the wastewater, it has a great impact on environmental hygiene.

[0004] Therefore, in view of the shortcomings of the above-mentioned scheme in actual production and implementation, it has been revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model was created, and a sludge sedimentation and cleaning device for wastewater treatment is provided to solve the above-mentioned problems. Utility Model Content

[0005] The utility model provides a sludge settling and cleaning device for wastewater treatment, which solves the problems in the prior art.

[0006] The technical solution of the utility model is implemented as follows: a sludge sedimentation and cleaning device for wastewater treatment, comprising: a cylinder and an end cover fixed to one end of the cylinder, a sludge sedimentation and cleaning mechanism is arranged in the cylinder, a first drive motor is arranged at the end of the sludge sedimentation and cleaning mechanism, an inlet pipe and a drain pipe are arranged on the end cover, a first valve body is arranged on the inlet pipe, and a second valve body is arranged on the drain pipe.

[0007] As a preferred embodiment of a sludge settling and cleaning device for wastewater treatment, the sludge settling and cleaning mechanism includes a sludge conveying body, one end of the sludge conveying body is provided with an end shaft, and the other end proximal end is provided with a flange, the flange is fixedly matched with the cylinder, a spiral rod is provided in the sludge conveying body, the output end of the first drive motor is fixedly matched with the spiral rod, an arc-shaped scraper body is slidably matched on the outside of the sludge conveying body, a socket is provided at one end of the arc-shaped scraper body corresponding to the end shaft, the end shaft is inserted into the socket, a scraper plate and a limit plate are provided on the arc-shaped scraper body, and a second drive motor is provided at one end of the arc-shaped scraper body, and the second drive motor is fixed to the middle of the end cover.

[0008] By adopting the above scheme, the second driving motor drives the arc-shaped scraper body to rotate, the scraper blade can lift the sludge settled at the bottom to achieve cleaning, and the spiral rod can transport the sludge to achieve discharge.

[0009] The scraper blade and the limit plate cooperate with each other to guide the sludge.

[0010] As a preferred embodiment of a sludge settling and cleaning device for wastewater treatment, there is an angle of 35-45° between the scraper plate and the limit plate, the scraper plate contacts the inner wall of the cylinder, and there is a gap between the limit plate and the inner wall of the cylinder.

[0011] As a preferred embodiment of the sludge settling and cleaning device for wastewater treatment, a plurality of drainage holes are provided on the scraper.

[0012] By adopting the above scheme, the drainage holes are used to allow the wastewater mixed in the sludge lifting process to overflow.

[0013] As a preferred embodiment of a sludge settling and cleaning device for wastewater treatment, an arc-shaped notch is provided at the top of the sludge conveying body, and the arc-shaped notch matches the angle between the scraper plate and the limit plate. A sludge discharge end is provided at the bottom of the sludge conveying body, and the sludge discharge end is outside the cylinder.

[0014] By adopting the above scheme, when the bottom of the scraper blade rotates to the top, it just coincides with the arc-shaped notch, and the sludge will flow into the sludge conveying body due to gravity to achieve discharge.

[0015] As a preferred embodiment of the sludge settling and cleaning device for wastewater treatment, the amount of wastewater in the cylinder does not exceed half of the height of the cylinder.

[0016] As a preferred embodiment of a sludge settling and cleaning device for wastewater treatment, the first valve body and the second valve body are both solenoid valves.

[0017] As a preferred implementation of a sludge settling and cleaning device for wastewater treatment, the drive motor is specifically a speed-regulating motor.

[0018] After adopting the above technical scheme, the beneficial effects of the utility model are: the wastewater settles in the cylinder, which can prevent the odor from overflowing and affecting the environment. The second drive motor drives the arc-shaped scraper body to rotate to achieve the lifting of the sludge. When the scraper plate rotates from the bottom of the cylinder to the top, the sludge will enter the sludge conveying body along the arc-shaped notch, and the rotation of the spiral rod can realize the cleaning and discharge of the sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 labor.

[0020] Figure 1 This is a left view of the structure of the sludge settling and cleaning device for wastewater treatment of the utility model;

[0021] Figure 2 This is a right view of the structure of the sludge settling and cleaning device for wastewater treatment of the utility model;

[0022] Figure 3 This is a structural cross-sectional view of the sludge settling and cleaning device for wastewater treatment of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the cylinder of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the sludge settling and cleaning mechanism of the utility model;

[0025] Figure 6 This is a side view of the main structure of the arc-shaped scraper of the utility model.

[0026] Figure 7 This is a side view of the main structure of the sludge conveying system of the utility model;

[0027] Figure 8 This is a bottom view of the main structure of the sludge conveying system of the utility model;

[0028] In the figure, 1-cylinder body; 2-end cover; 3-sludge conveying body; 31-end shaft; 32-flange; 33-screw rod; 34-arc-shaped notch; 35-sludge discharge end; 4-second drive motor; 5-water inlet pipe; 51-first valve body; 6-drain pipe; 61-second valve body; 7-first drive motor; 8-arc-shaped mud scraping body; 81-scraper plate; 82-limiting plate; 83-drain hole. DETAILED DESCRIPTION

[0029] 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 of 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. Example

[0030] like Figure 1-8 As shown, a sludge settling and cleaning device for wastewater treatment comprises: a cylinder 1 and an end cover 2 fixed to one end of the cylinder 1, a sludge settling and cleaning mechanism is arranged in the cylinder 1, a first speed regulating motor is arranged at the end of the sludge settling and cleaning mechanism, a water inlet pipe 5 and a drain pipe 6 are arranged on the end cover 2, a first solenoid valve is arranged on the water inlet pipe 5, and a second solenoid valve is arranged on the drain pipe 6.

[0031] The sludge sedimentation and cleaning mechanism includes a sludge conveying body 3, one end of which is provided with an end shaft 31, and the other end proximal end is provided with a flange 32, the flange 32 is fixedly matched with the cylinder 1, a screw rod 33 is provided in the sludge conveying body 3, the output end of the first speed regulating motor is fixedly matched with the screw rod 33, the outside of the sludge conveying body 3 is slidably matched with an arc-shaped scraper body 8, one end of the arc-shaped scraper body 8 is provided with a socket corresponding to the end shaft 31, the end shaft 31 is inserted into the socket, a scraper plate 81 and a limit plate 82 are provided on the arc-shaped scraper body 8, and one end of the arc-shaped scraper body 8 is provided with a second speed regulating motor, and the second speed regulating motor is fixed to the middle part of the end cover 2.

[0032] Furthermore, during the process of the second speed regulating motor driving the arc-shaped scraper body 8 to rotate, the scraper blade 81 can lift the sludge settled at the bottom to achieve cleaning, and the spiral rod 33 can transport the sludge to achieve discharge.

[0033] There is an angle of 35° between the scraper plate 81 and the limiting plate 82 . The scraper plate 81 contacts the inner wall of the cylinder 1 , and there is a gap between the limiting plate 82 and the inner wall of the cylinder 1 .

[0034] The scraper blade 81 is provided with a plurality of drainage holes 83, and the drainage holes 83 are used to allow waste water mixed in the sludge lifting process to overflow.

[0035] An arc-shaped notch 34 is provided at the top of the sludge conveying body 3 , and the arc-shaped notch 34 matches the angle between the scraper plate 81 and the limit plate 82 . A sludge discharge end 35 is provided at the bottom of the sludge conveying body 3 , and the sludge discharge end 35 is outside the cylinder 1 .

[0036] The amount of wastewater in the cylinder 1 does not exceed half of the height of the cylinder 1, so as to prevent the wastewater from overflowing through the sludge conveying body 3.

[0037] In actual application, after the first solenoid valve is turned on, the wastewater enters the cylinder 1 through the water inlet pipe 5. The wastewater can be stopped when the amount of wastewater is close to half of the height of the cylinder 1. Then the wastewater will be left to stand. After the sedimentation is completed, the second reduction motor drives the arc-shaped scraper body 8 to rotate to achieve the lifting of the sludge. When the scraper plate 81 rotates from the bottom of the cylinder 1 to the top, the sludge will enter the sludge conveying body 3 along the arc-shaped notch 34, and the sludge will be cleaned and discharged as the spiral rod 33 rotates. Example

[0038] On the basis of Example 1, a dosing pipe can be added to the top of the cylinder 1 to enhance the sedimentation effect by mixing the agent with the wastewater. After adding the agent, the arc-shaped scraper body 8 can act as a stirring mechanism to enhance the mixing effect.

[0039] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sludge settling and cleaning device for wastewater treatment, characterized in that: include: A cylinder (1) and an end cover (2) fixed to one end of the cylinder (1); a sludge settling and cleaning mechanism is arranged in the cylinder (1); a first driving motor (7) is arranged at the end of the sludge settling and cleaning mechanism; a water inlet pipe (5) and a drain pipe (6) are arranged on the end cover (2); a first valve body (51) is arranged on the water inlet pipe (5); and a second valve body (61) is arranged on the drain pipe (6); The sludge settling and cleaning mechanism comprises a sludge conveying body (3), one end of which is provided with an end shaft (31), and the other end proximal end is provided with a flange (32), the flange (32) being fixedly matched with the cylinder (1), a spiral rod (33) being provided inside the sludge conveying body (3), the output end of the first drive motor (7) being fixedly matched with the spiral rod (33), an arc-shaped scraping body (8) being slidably matched outside the sludge conveying body (3), one end of which is provided with an insertion hole corresponding to the end shaft (31), the end shaft (31) being inserted into the insertion hole, a scraping plate (81) and a limit plate (82) being provided on the arc-shaped scraping body (8), one end of which is provided with a second drive motor (4), and the second drive motor (4) being fixed to the middle of the end cover (2).

2. A sludge settling and cleaning device for wastewater treatment according to claim 1, characterized in that: There is an angle of 35-45° between the scraper plate (81) and the limiting plate (82); the scraper plate (81) is in contact with the inner wall of the cylinder (1); and there is a gap between the limiting plate (82) and the inner wall of the cylinder (1).

3. A sludge settling and cleaning device for wastewater treatment according to claim 2, characterized in that: The scraper blade (81) is provided with a plurality of drainage holes (83).

4. A sludge settling and cleaning device for wastewater treatment according to claim 1, characterized in that: The top of the sludge conveying body (3) is provided with an arc-shaped notch (34), and the arc-shaped notch (34) matches the angle between the scraper plate (81) and the limit plate (82). The bottom of the sludge conveying body (3) is provided with a sludge discharge end (35), and the sludge discharge end (35) is located outside the cylinder (1).

5. A sludge settling and cleaning device for wastewater treatment according to claim 1, characterized in that: The amount of waste water in the cylinder (1) does not exceed half the height of the cylinder (1).

6. A sludge settling and cleaning device for wastewater treatment according to claim 1, characterized in that: The first valve body (51) and the second valve body (61) are both solenoid valves.

7. A sludge settling and cleaning device for wastewater treatment according to claim 1, characterized in that: The first drive motor (7) and the second drive motor (4) are specifically a speed-regulating motor.

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