Scum cleaning device for sewage treatment secondary sedimentation tank

Abstract

The utility model relates to the field of sewage treatment, and discloses a sewage treatment secondary sedimentation tank scum cleaning device which comprises a secondary sedimentation tank body, lifting structures are arranged in the secondary sedimentation tank body, a filter screen plate is arranged between the lifting structures, an overturning structure is arranged at the bottom end of the filter screen plate, and a decontamination structure is arranged at the top of the filter screen plate. The dirt removing structure comprises sliding grooves symmetrically formed in the top, reset springs are installed at the front ends of the interiors of the two sliding grooves through screws, sliding blocks are arranged at the rear ends of the two reset springs and located in the corresponding sliding grooves, a same connecting plate is welded to the tops of the two sliding blocks, and a holding groove is formed in the top of the connecting plate in a penetrating mode; a scraper is mounted at the bottom of the front end of the connecting plate through a bolt. The sewage treatment device has the following advantages and effects that the two motors are used for controlling the screw rod and the lifting sliding block to be meshed and driven, so that the filter screen plate is guided to synchronously lift, impurities attached to the surface of sewage are taken away, and the problem of cleaning omission is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a scum cleaning device for a secondary sedimentation tank of sewage treatment. Background Art

[0002] After searching, the patent document with authorization announcement number CN215387767U discloses a slag cleaning device for the secondary sedimentation tank of sewage treatment, including a slag discharge well arranged on the side of the secondary sedimentation tank, a slag discharge bucket arranged at the bottom of the secondary sedimentation tank and a slag discharge pipe connecting the slag discharge bucket and the slag discharge well; a slag basket is arranged inside the slag discharge well, and the slag basket is located below the slag discharge pipe, and is used to receive the slag in the slag discharge pipe; the slag basket is a trough body with an opening at the top, and filter holes are provided on the side walls and the bottom surface of the slag basket, and the upper port of the slag basket has an inclination angle inclined toward the direction of the slag discharge pipe; a lifting assembly is also arranged on the top of the slag discharge well, and the lifting assembly is connected to the slag basket through a lifting ear.

[0003] However, the above design still has some shortcomings. The above design collects scum by sedimentation, and a small amount of light scum cannot settle to the bottom of the pool, making it difficult to collect and easy to clean up again. Therefore, we propose a scum cleaning device for the secondary sedimentation tank of sewage treatment to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a scum cleaning device for a secondary sedimentation tank of sewage treatment, which has the effect of cleaning scum.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a scum cleaning device for a sewage treatment secondary sedimentation tank, comprising: a secondary sedimentation tank body, a lifting structure is arranged inside the secondary sedimentation tank body, a filter screen is arranged between the lifting structures, a flip structure is arranged at the bottom end of the filter screen, and a decontamination structure is arranged on the top of the filter screen;

[0006] The dirt removal structure includes a top with symmetrical slide grooves, the front ends of the two slide grooves are equipped with return springs through screws, the rear ends of the two return springs and the corresponding slide grooves are provided with sliders, the tops of the two sliders are welded with the same connecting plate, the top of the connecting plate is penetrated by a holding groove, and the front bottom of the connecting plate is equipped with a scraper through bolts.

[0007] The utility model is further configured as follows: the lifting structure comprises two vertical rods symmetrically mounted inside the secondary sedimentation tank body by bolts, and lifting slots are provided at ends of the two vertical rods close to each other.

[0008] By adopting the above technical solution, the lifting structure includes two vertical rods symmetrically installed inside the secondary sedimentation tank body by bolts, and the ends of the two vertical rods close to each other are provided with lifting grooves, so that the lifting grooves can guide the corresponding components to perform lifting and lowering, thereby effectively improving the efficiency of filtering and impurity removal.

[0009] The utility model is further configured as follows: screw rods are rotatably installed inside the two lifting slides, and the top ends of the two screw rods extend through the corresponding vertical rods and are plugged with motors.

[0010] By adopting the above technical solution, a screw rod is rotatably installed inside the two lifting slide grooves, the top ends of the two screw rods extend through the corresponding vertical rods, and are plugged with motors, so that the motor controls the screw rods to rotate synchronously and drive the filter screen to lift and lower.

[0011] The utility model is further configured as follows: the bottom ends of the two motors are both mounted on the corresponding vertical rods by bolts.

[0012] By adopting the above technical solution, the bottom ends of the two motors are installed on the corresponding vertical rods through bolts, so that the two motors are stably fixed to ensure continuous power output.

[0013] The utility model is further configured as follows: a lifting slider is sleeved on the outside of the two screw rods, and a filter screen plate is rotatably mounted between the two lifting sliders via a rolling bearing.

[0014] By adopting the above technical solution, a lifting slider is sleeved on the outside of the two screw rods, and a filter screen plate is rotatably installed between the two lifting sliders through a rolling bearing, so that the lifting slider drives the filter screen plate to rise and fall synchronously.

[0015] The utility model is further configured as follows: the flip structure comprises a bracket plate welded to the bottom ends of the two lifting slide blocks.

[0016] By adopting the above technical solution, the flip structure includes a support plate welded to the bottom ends of the two lifting sliders, so that the supporting behavior is smoothly implemented.

[0017] The utility model is further configured as follows: a support shaft is inserted into the bottom between the two bracket plates via a rolling bearing.

[0018] By adopting the above technical solution, a support shaft is inserted at the bottom between the two bracket plates through a rolling bearing, thereby realizing long-distance support behavior and avoiding the problem of support tilt.

[0019] The utility model is further configured as follows: a same electric cylinder is installed between the two support shafts via bolts.

[0020] By adopting the above technical solution, the same electric cylinder is installed between the two support shafts by bolts, so as to achieve the purpose of balanced support and flexible rotation of the electric cylinder.

[0021] The utility model is further configured as follows: the top of the electric cylinder is hingedly mounted on the filter screen plate via a plugged telescopic rod.

[0022] By adopting the above technical solution, the top of the electric cylinder is hingedly installed on the filter screen through the inserted telescopic rod, so that the filter screen can be controlled to rotate around the two lifting sliders through the cooperation between the electric cylinder and the telescopic rod.

[0023] The utility model is further configured as follows: the scraper is made of rubber, and the bottom end of the scraper extends to the filter screen plate.

[0024] By adopting the above technical solution, the scraper is made of rubber, and the bottom end of the scraper extends to the filter screen plate, so that the scraper slides along the two slide grooves to scrape off the scum attached to the upper surface of the filter screen plate, thereby effectively improving the cleaning efficiency.

[0025] The beneficial effects of the utility model are:

[0026] 1. The utility model uses two motors to control the screw rod and the lifting slider to engage and drive, so as to guide the filter screen to rise and fall synchronously, remove the impurities attached to the surface of the sewage, and avoid the problem of omissions in cleaning;

[0027] 2. The utility model controls the telescopic rod to extend and retract through the electric cylinder, thereby controlling the filter screen to rotate around two lifting sliders, and then pulls the connecting plate to make the scraper at its bottom slide along the two slide grooves to scrape off the scum attached to the upper surface of the filter screen, effectively improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a three-dimensional structural schematic diagram of a scum cleaning device for a secondary sedimentation tank of sewage treatment according to the utility model;

[0030] Figure 2 This is a schematic diagram of the main structure of a scum cleaning device for a secondary sedimentation tank for sewage treatment according to the utility model;

[0031] Figure 3 This is a schematic diagram of the structure A of a scum cleaning device for a secondary sedimentation tank for sewage treatment according to the utility model;

[0032] Figure 4 The utility model is a B-structure schematic diagram of a scum cleaning device for a secondary sedimentation tank of sewage treatment.

[0033] In the figure, 1. the main body of the second sedimentation tank; 2. the lifting structure; 201. the vertical rod; 202. the lifting chute; 203. the screw rod; 204. the motor; 205. the lifting slider; 3. the filter screen; 4. the flip structure; 401. the bracket plate; 402. the support shaft; 403. the electric cylinder; 404. the telescopic rod; 5. the dirt removal structure; 501. the chute; 502. the return spring; 503. the slider; 504. the connecting plate; 505. the holding groove; 506. the scraper. DETAILED DESCRIPTION

[0034] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0035] When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can also be an intermediate component. "Disposed" indicates a way of existence, which can be a connection method such as connection, installation, fixed connection, active connection, etc. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be an intermediate component at the same time.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] See also Figure 1-Figure 4 The utility model provides a scum cleaning device for a secondary sedimentation tank of sewage treatment, comprising: a secondary sedimentation tank body 1, a lifting structure 2 is arranged inside the secondary sedimentation tank body 1, a filter screen plate 3 is arranged between the lifting structures 2, a flip structure 4 is arranged at the bottom end of the filter screen plate 3, and a decontamination structure 5 is arranged on the top of the filter screen plate 3;

[0038] The dirt removal structure 5 includes a top with symmetrical slide grooves 501, and the inner front ends of the two slide grooves 501 are installed with return springs 502 by screws. The rear ends of the two return springs 502 and the insides of the corresponding slide grooves 501 are provided with sliders 503. The tops of the two sliders 503 are welded with the same connecting plate 504, and the top of the connecting plate 504 is penetrated by a holding groove 505, and the front bottom of the connecting plate 504 is installed with a scraper 506 by bolts.

[0039] Specifically, the lifting structure 2 includes two vertical rods 201 symmetrically installed inside the second sedimentation tank body 1 by bolts, and the ends of the two vertical rods 201 close to each other are provided with lifting slots 202, and the insides of the two lifting slots 202 are rotatably installed with screw rods 203, and the top ends of the two screw rods 203 extend through the corresponding vertical rods 201 and are plugged with motors 204, and the bottom ends of the two motors 204 are installed on the corresponding vertical rods 201 by bolts, and the outsides of the two screw rods 203 are sleeved with lifting sliders 205. A filter screen plate 3 is rotatably installed between the two lifting sliders 205 via rolling bearings. The flip structure 4 includes a bracket plate 401 welded to the bottom ends of the two lifting sliders 205. A support shaft 402 is plugged into the bottom of the two bracket plates 401 via rolling bearings. The same electric cylinder 403 is installed between the two support shafts 402 via bolts. The top of the electric cylinder 403 is hingedly installed on the filter screen plate 3 via a plug-in telescopic rod 404. The scraper 506 is made of rubber, and the bottom end of the scraper 506 extends to the filter screen plate 3.

[0040] By adopting the above scheme, the lifting structure 2 includes two vertical rods 201 symmetrically installed inside the second sedimentation tank body 1 by bolts, and the ends of the two vertical rods 201 close to each other are provided with lifting slots 202, so that the lifting slots 202 can guide the corresponding components to perform lifting and lowering, thereby effectively improving the efficiency of filtering and removing impurities, and screw rods 203 are rotatably installed inside the two lifting slots 202, and the top ends of the two screw rods 203 extend through the corresponding vertical rods 201, and are plugged with motors 204, so that the motors 204 control the screw rods 203 to rotate synchronously, and drive the filter screen plate 3 to perform lifting and lowering, and the bottom ends of the two motors 204 are bolted to the corresponding vertical rods 201, so that the two motors 204 are stably fixed to ensure continuous power output, and lifting sliders 205 are sleeved on the outside of the two screw rods 203, and the filter screen plate 3 is rotatably installed between the two lifting sliders 205 through rolling bearings, so that the lifting sliders 205 Drive the filter screen plate 3 to rise and fall synchronously, and realize the smooth implementation of the supporting behavior by making the flip structure 4 include a bracket plate 401 welded to the bottom ends of the two lifting sliders 205, and the supporting behavior is smoothly implemented, and the supporting shaft 402 is plugged into the bottom between the two bracket plates 401 through a rolling bearing to realize the long-distance supporting behavior and avoid the problem of supporting tilt, and the same electric cylinder 403 is installed between the two supporting shafts 402 by bolts to realize the purpose of balanced support and flexible rotation of the electric cylinder 403, and the top of the electric cylinder 403 is hingedly installed on the filter screen plate 3 by a plugged telescopic rod 404, so that the filter screen plate 3 is controlled to rotate around the two lifting sliders 205 through the cooperation between the electric cylinder 403 and the telescopic rod 404, and the scraper 506 is made of rubber, and the bottom end of the scraper 506 extends to the filter screen plate 3, so that the scraper 506 can slide along the two slide grooves 501 to scrape off the scum attached to the upper surface of the filter screen plate 3, thereby effectively improving the cleaning efficiency.

[0041] The above is a detailed introduction to a scum cleaning device for a secondary sedimentation tank for sewage treatment provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A scum cleaning device for a secondary sedimentation tank for sewage treatment, characterized in that: include: A secondary sedimentation tank body (1), wherein a lifting structure (2) is arranged inside the secondary sedimentation tank body (1), a filter screen plate (3) is arranged between the lifting structures (2), a flip structure (4) is arranged at the bottom end of the filter screen plate (3), and a decontamination structure (5) is arranged at the top of the filter screen plate (3); The dirt removal structure (5) includes a top portion symmetrically provided with slide grooves (501), the front ends of the two slide grooves (501) are both installed with return springs (502) by means of screws, the rear ends of the two return springs (502) and inside the corresponding slide grooves (501) are both provided with sliders (503), the tops of the two sliders (503) are welded with a same connecting plate (504), the top of the connecting plate (504) is penetrated with a holding groove (505), and the front end bottom of the connecting plate (504) is installed with a scraper (506) by means of bolts.

2. A scum cleaning device for a secondary sedimentation tank for sewage treatment according to claim 1, characterized in that: The lifting structure (2) comprises two vertical rods (201) symmetrically mounted inside the secondary sedimentation tank body (1) by means of bolts, and lifting slots (202) are provided at the ends of the two vertical rods (201) close to each other.

3. A scum cleaning device for a secondary sedimentation tank for sewage treatment according to claim 2, characterized in that: A screw rod (203) is rotatably installed inside the two lifting slide grooves (202), and the top ends of the two screw rods (203) extend through the corresponding vertical rods (201) and are plugged with motors (204).

4. A scum cleaning device for a secondary sedimentation tank for sewage treatment according to claim 3, characterized in that: The bottom ends of the two motors (204) are both mounted on the corresponding vertical rods (201) via bolts.

5. The scum cleaning device for the secondary sedimentation tank of sewage treatment according to claim 3 is characterized by: The exteriors of the two screw rods (203) are sleeved with lifting sliders (205), and a filter screen plate (3) is rotatably mounted between the two lifting sliders (205) via rolling bearings.

6. The scum cleaning device for the secondary sedimentation tank of sewage treatment according to claim 1 is characterized by: The flip structure (4) comprises a support plate (401) welded to the bottom ends of two lifting slide blocks (205).

7. A scum cleaning device for a secondary sedimentation tank for sewage treatment according to claim 6, characterized in that: A support shaft (402) is inserted at the bottom between the two support plates (401) via a rolling bearing.

8. The scum cleaning device for the secondary sedimentation tank of sewage treatment according to claim 7 is characterized by: The same electric cylinder (403) is installed between the two support shafts (402) via bolts.

9. A scum cleaning device for a secondary sedimentation tank for sewage treatment according to claim 8, characterized in that: The top of the electric cylinder (403) is hingedly mounted on the filter screen plate (3) via a plugged telescopic rod (404).

10. The scum cleaning device for the secondary sedimentation tank of sewage treatment according to claim 1, characterized in that: The scraper (506) is made of rubber, and the bottom end of the scraper (506) extends to the filter screen plate (3).

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