CN114849287A - a sewage sedimentation tank - Google Patents

Abstract

The invention relates to a sewage sedimentation tank, which comprises a sedimentation tank body and a dredging mechanism, wherein an accommodating cavity is formed in the sedimentation tank body, an opening communicated with the accommodating cavity is formed in the upper end of the sedimentation tank body, a water inlet is formed in one side close to the opening, and a water outlet is formed in one side far away from the opening. The desilting mechanism is connected with one side of the sedimentation tank body close to the opening, the desilting mechanism comprises a side wall scraping device and a bottom wall scraping device, the side wall scraping device is attached to the side wall of the accommodating cavity and can move in the direction close to or far away from the opening in the accommodating cavity, and the bottom wall scraping device can move back and forth along the direction parallel to the opening. The sedimentation tank body includes with opening vertically lateral wall and with the parallel diapire of opening, when lateral wall scraping device was located the holding intracavity, lateral wall scraping device and lateral wall laminating. The utility model provides a sewage sedimentation tank is when using, can be quick to be stained with and attach the automatic clearance of silt on sedimentation tank body inner wall, has shortened the cleaning time of sedimentation tank greatly, has improved the cleaning efficiency of sedimentation tank.

Description

a sewage sedimentation tank

technical field

The invention relates to the technical field of sewage treatment, in particular to a sewage sedimentation tank.

Background technique

Sewage refers to the effluent from living and production that is polluted to a certain extent. Water that has lost its original function is referred to as sewage. It is mainly the water used in daily life, which contains more organic matter and is easier to handle. Sewage is due to the incorporation of new substances into the water or changes in external conditions, resulting in the deterioration of water and the inability to continue to maintain the original function.

Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or for reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and is increasingly entering the daily life of ordinary people.

The function of the sedimentation tank is to add flocculant to the sewage, so that the impurities in the sewage are mixed with the flocculant to form sludge, which sinks into the bottom of the sedimentation tank under the action of gravity. Most of the sedimentation tanks in the prior art need to be manually Cleaning up the sludge adhering to the inner wall of the sedimentation tank increases the labor intensity of the staff, but also makes the cleaning effect of the sedimentation tank poor and reduces the cleaning efficiency of the sedimentation tank. A sewage sedimentation tank and a sewage treatment method using the sedimentation tank are provided to overcome the above problems.

SUMMARY OF THE INVENTION

The invention provides a sewage sedimentation tank, which solves the technical problems in the prior art.

The solution of the present invention to solve the above technical problems is as follows: a sewage sedimentation tank, including a sedimentation tank body and a dredging mechanism, the sedimentation tank body has a accommodating cavity inside, the upper end is provided with an opening communicating with the accommodating cavity, and is close to the accommodating cavity. A water inlet is arranged on one side of the opening, and a water outlet is arranged on the side away from the opening;

The silt removal mechanism is connected to the side of the sedimentation tank body close to the opening, and the silt removal mechanism includes a side wall scraping device and a bottom wall scraping device, and the side wall scraping device is connected to the container. The side wall of the cavity is fitted, and can move in the direction of approaching or away from the opening in the accommodating cavity, and the bottom wall scraping device can make a reciprocating motion along the direction parallel to the opening;

The sedimentation tank body includes a side wall perpendicular to the opening and a bottom wall parallel to the opening. When the side wall scraping device is located in the accommodating cavity, the side wall scraping device and the Sidewall fit.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the dredging mechanism also includes a support frame, the support frame is connected with the side of the sedimentation tank body close to the opening and extends away from the opening side, the side wall scraping device and the bottom wall The scraping devices are all connected with the support frame through the lifting device.

Further, the side wall scraping device includes an annular frame and an outer scraper ring sleeved on the outer periphery of the frame, the annular frame is connected with the support frame through a lifting device, and the side wall scraping device is located in the accommodating cavity When inside, the outer scraper is in contact with the inner wall of the side wall

Further, it also includes a first installation frame, the first installation frame horizontal installation frame and two vertical installation frames vertically connected to both ends of the horizontal installation frame, the horizontal installation frame and the support frame are arranged staggered;

The lifting device includes a first electro-hydraulic push rod, the fixed end of the first electro-hydraulic push rod is connected to the support frame, the telescopic end of the first electro-hydraulic push rod is connected to the horizontal mounting frame, and the two Each of the vertical mounting brackets is respectively connected with two sides of the annular frame.

Further, the bottom wall scraping device includes a second mounting frame and a scraper, the second mounting frame is parallel to the bottom wall, and both ends of the second mounting frame are respectively connected to both sides of the annular frame, The scraper can reciprocate along the second mounting frame.

Further, the bottom wall scraping device further comprises a transversely threaded rod and a driven nut sleeved on the transversely threaded rod, the outer surface of the transversely threaded rod is provided with an external thread, and the driven nut is provided with an external thread. There is an internal thread that is compatible with the horizontally threaded rod;

Both ends of the transverse threaded rod are connected with the second mounting frame, and the transverse threaded rod extends along the length direction of the second mounting frame, and the scraper is connected with the driven nut.

Further, the bottom wall scraping device also includes a lateral guide rod, a guide ring and a traction rod, the lateral guide rod and the horizontal threaded rod are arranged in parallel and spaced apart, and the guide ring is sleeved on the lateral guide rod. On the rod, the traction rod extends in the direction perpendicular to the bottom wall, one end of the traction rod is connected with the scraper, and the other end is simultaneously connected with the guiding ring and the driven nut.

Further, the bottom wall scraping device further includes a waterproof servo motor, and the output shaft of the waterproof servo motor is drivingly connected with the horizontally arranged threaded rod.

Further, a second electro-hydraulic push rod is arranged between the second mounting frame and the first mounting frame, and the second electro-hydraulic push rod can be extended and retracted in a direction perpendicular to the bottom wall;

The two ends of the annular frame connected to the second mounting frame are provided with a chute extending along the telescopic direction of the second electro-hydraulic push rod, and the two ends of the second mounting frame are fitted with side wings of the chute. Guide sliders, the side wing guide sliders can slide along the chute.

Further, the water inlet and the water outlet are respectively arranged on two sides of the sedimentation tank body, and both the water inlet and the water outlet are provided with on-off valves.

The beneficial effects of the present invention are: the present invention provides a sewage sedimentation tank, which has the following advantages:

When the sewage sedimentation tank is in use, it can quickly and automatically clean up the sludge adhering to the inner wall of the sedimentation tank, which improves the cleaning effect of the sedimentation tank, and also greatly shortens the cleaning time of the sedimentation tank and improves the sedimentation tank. cleaning efficiency.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it according to the content of the description, the following detailed description is given with the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic structural diagram of a sewage sedimentation tank provided by an embodiment of the present invention;

2 is a schematic structural diagram of a dredging mechanism of a sewage sedimentation tank according to an embodiment of the present invention;

3 is a schematic structural diagram of another direction of a dredging mechanism of a sewage sedimentation tank according to an embodiment of the present invention;

FIG. 4 is a partial enlarged view of A in FIG. 3 .

In the accompanying drawings, the list of components represented by each number is as follows:

1. Sedimentation tank body; 2. Water outlet; 3. Water inlet; 4. On-off valve; 5. Support frame; 6. The first electro-hydraulic push rod; 7. The first installation frame; 8. The second installation frame; 9 , waterproof servo motor; 10, horizontal threaded rod; 11, drawbar; 12, annular frame; 13, external scraper; 14, scraper; 15, driven nut; 16, guide ring; 17, lateral guide rod ; 18. Flank guide slider; 19. The second electro-hydraulic push rod.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings 1-4. The examples are only used to explain the present invention, but not to limit the scope of the present invention. The invention is described in more detail by way of example in the following paragraphs with reference to the accompanying drawings. The advantages and features of the present invention will become apparent from the following description and claims. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in Figures 1-4, the present invention provides a sewage sedimentation tank, including a sedimentation tank body 1 and a dredging mechanism. The sedimentation tank body 1 has a accommodating cavity inside, and the upper end is provided with a connecting cavity connected to the accommodating cavity. A water inlet 3 is arranged on the side close to the opening, and a water outlet 2 is arranged on the side away from the opening. The silt removal mechanism is connected to the side of the sedimentation tank body 1 close to the opening, and the silt removal mechanism includes a side wall scraping device and a bottom wall scraping device. The side walls of the accommodating cavity are fitted together, and can move in the direction of approaching or away from the opening in the accommodating cavity, and the bottom wall scraping device can reciprocate along the direction parallel to the opening. The settling tank body 1 includes a side wall perpendicular to the opening and a bottom wall parallel to the opening. When the side wall scraping device is located in the accommodating cavity, the side wall scraping device and the The side walls fit together.

When the sewage sedimentation tank of the present application is in use, it can quickly and automatically clean up the sludge adhering to the inner wall of the sedimentation tank, which improves the cleaning effect of the sedimentation tank, and also greatly shortens the cleaning time of the sedimentation tank. The cleaning efficiency of the sedimentation tank.

Preferably, the dredging mechanism further includes a support frame 5, the support frame is connected to the side of the sedimentation tank body 1 close to the opening and extends away from the opening. The side wall scraping device The bottom wall scraping device and the bottom wall scraping device are connected with the support frame through the lifting device.

Preferably, the side wall scraping device includes an annular frame 12 and an outer scraper ring 13 sleeved on the outer periphery of the frame, the annular frame 12 is connected to the support frame through a lifting device, and the side wall scraping device is located at the When inside the accommodating cavity, the outer scraper ring 13 is in contact with the inner wall of the side wall

Preferably, the sewage sedimentation tank further includes a first installation frame 7, the first installation frame 7 is a horizontal installation frame and two vertical installation frames vertically connected to both ends of the horizontal installation frame, the horizontal installation frame and the support frame 5 staggered settings. The lifting device includes a first electro-hydraulic push rod 6, the fixed end of the first electro-hydraulic push rod 6 is connected to the support frame 5, and the telescopic end of the first electro-hydraulic push rod 6 is installed horizontally with the The two vertical mounting brackets are respectively connected with two sides of the annular frame 12 .

Preferably, the bottom wall scraping device includes a second mounting frame 8 and a scraper 14, the second mounting frame 8 is parallel to the bottom wall, and two ends of the second mounting frame 8 are respectively connected to the annular frame The two sides of the 12 are connected, and the scraper 14 can reciprocate along the second mounting frame 8 .

Preferably, the bottom wall scraping device further comprises a transverse threaded rod 10 and a driven nut 15 sleeved on the transverse threaded rod 10. The outer surface of the transverse threaded rod 10 is provided with external threads, so The driven nut 15 is provided with an internal thread which is matched with the transversely threaded rod 10 . Both ends of the transverse threaded rod 10 are connected to the second mounting frame 8 , and the transverse threaded rod 10 extends along the length direction of the second mounting frame 8 , and the scraper 14 is connected to the driven Nut 15 is connected.

Preferably, the bottom wall scraping device further includes a lateral guide rod 17 , a guide ring 16 and a traction rod 11 , the lateral guide rod 17 and the transverse threaded rod 10 are arranged in parallel and spaced apart, and the guide ring 16 Set on the lateral guide rod 17, the draw rod 11 extends along the vertical bottom wall, one end of the draw rod is connected with the scraper 14, and the other end is connected with the guide ring 16 and the slave at the same time. Connect the movable nut 15. The provision of the drawbar 11 is convenient to ensure that the scraper 14 is in contact with the bottom wall.

Preferably, the bottom wall scraping device further includes a waterproof servo motor 9 , and the output shaft of the waterproof servo motor 9 is drivingly connected with the horizontally threaded rod 10 . The motor-driven operation is more labor-saving and stable.

Preferably, a second electro-hydraulic push rod 19 is disposed between the second mounting frame 8 and the first mounting frame 7 , and the second electro-hydraulic push rod 19 can be extended and retracted in a direction perpendicular to the bottom wall. The two ends of the annular frame 12 connected to the second mounting bracket 8 are provided with a chute extending along the telescopic direction of the second electro-hydraulic push rod 19 , and the two ends of the second mounting bracket 8 are connected to the chute. An adapted side guide slider 18, the side guide slider 18 can slide along the chute. The chute limits the lifting trajectory of the second mounting frame 8 to ensure stable lifting and accurate position.

Preferably, the water inlet 3 and the water outlet 2 are respectively arranged on both sides of the sedimentation tank body 1 , and the water inlet 3 and the water outlet 2 are both provided with on-off valves 4 .

The method for cleaning the sludge in the sewage sedimentation tank of the present application is, including the steps:

S1: When it is necessary to clean the sludge accumulated in the sedimentation tank body 1, first open the switch valve 4 on the drain pipe 2, and then, the staff first controls the first electro-hydraulic push rod 6 to drive the outer scraper ring 13 to move downward and Move to the interior of the sedimentation tank body 1;

S2: During the process that the first electro-hydraulic push rod 6 drives the outer scraper ring 13 to move downward, the outer scraper ring 13 scrapes off the sludge adhering to the side wall of the inner cavity of the sedimentation tank body 1, and the outer scraper ring 13 removes the sediment. During the process of scraping the sludge on the side wall of the inner cavity of the tank body 1, the staff sprays high-pressure water to the side wall of the inner cavity of the sedimentation tank body 1 through the high-pressure nozzle, and the scraped sludge flows to the sedimentation tank body under the action of the high-pressure water. 1 bottom;

S3: When the outer scraper ring 13 moves to the bottom of the inner cavity of the sedimentation tank body 1, the second electro-hydraulic push rod 19 drives the strip scraper 14 to move downward, so that the strip scraper 14 and the sedimentation tank body 1 The bottom wall of the cavity is in contact;

S4: Then, start the waterproof servo motor 9, and drive the horizontal threaded rod 10 to rotate through the waterproof servo motor 9. When the horizontal threaded rod 10 rotates, the driven nut 15 drives the strip scraper 14 to reciprocate left and right. The plate 14 scrapes off the sludge adhering to the bottom wall of the inner cavity of the main body 1 of the sedimentation tank.

S5: During the process of scraping the sludge on the bottom wall of the inner cavity of the sedimentation tank body 1 by the strip scraper 14, the staff also sprays high-pressure water to the bottom of the inner cavity of the sedimentation tank body 1 through the high-pressure nozzle. When the plate 14 scrapes the sludge to the drain pipe 2, the scraped sludge flows out of the sedimentation tank body 1 along with the water through the drain pipe 2, so as to realize the cleaning operation of the sludge adhering to the inner wall of the sedimentation tank main body 1.

When the sewage sedimentation tank is in use, it can quickly clean up the sludge adhering to the side wall and bottom wall of the inner cavity of the sedimentation tank body 1, which improves the cleaning effect of the sedimentation tank and greatly shortens the time of the sedimentation tank. The cleaning time improves the cleaning efficiency of the sedimentation tank.

It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like. Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form; any person of ordinary skill in the industry can smoothly implement the present invention as shown in the accompanying drawings and the above descriptions. However, all those skilled in the art who are familiar with the technical solutions of the present invention make use of the above-disclosed technical content to make some changes, modifications and equivalent changes of evolution, all of which are equivalent implementations of the present invention. At the same time, any alteration, modification and evolution of any equivalent changes made to the above embodiments according to the essential technology of the present invention still fall within the protection scope of the technical solutions of the present invention.

Claims (10)

1. A sewage sedimentation tank, characterized in that it comprises a sedimentation tank body (1) and a silt removal mechanism, the sedimentation tank body (1) has a accommodating cavity inside, and the upper end is provided with an opening communicating with the accommodating cavity, A water inlet (3) is arranged on the side close to the opening, and a water outlet (2) is arranged on the side away from the opening; The silt removal mechanism is connected to the side of the sedimentation tank body (1) close to the opening, and the silt removal mechanism includes a side wall scraping device and a bottom wall scraping device, and the side wall scraping device is connected to the other side. The side walls of the accommodating cavity are fitted, and can move in the direction of approaching or away from the opening in the accommodating cavity, and the bottom wall scraping device can perform a reciprocating motion in a direction parallel to the opening; The sedimentation tank body (1) includes a side wall perpendicular to the opening and a bottom wall parallel to the opening. When the side wall scraping device is located in the accommodating cavity, the side wall scraping device fit with the side wall. 2. A sewage sedimentation tank according to claim 1, characterized in that the dredging mechanism further comprises a support frame (5), and the support frame and the sedimentation tank body (1) are close to the opening. The side is connected and extends away from the side of the opening, and both the side wall scraping device and the bottom wall scraping device are connected with the support frame through a lifting device. 3. A sewage sedimentation tank according to claim 2, characterized in that the side wall scraping device comprises an annular frame (12) and an outer scraper ring (13) sleeved on the outer periphery of the frame, the annular frame (12) 12) It is connected to the support frame through a lifting device, and when the side wall scraping device is located in the accommodating cavity, the outer scraper ring (13) is attached to the inner wall of the side wall. 4 . The sewage sedimentation tank according to claim 3 , further comprising a first mounting frame ( 7 ), the first mounting frame ( 7 ) being a horizontal mounting frame and two vertically connected two ends of the horizontal mounting frame. 5 . a vertical installation frame, the horizontal installation frame and the support frame (5) are staggered; The lifting device includes a first electro-hydraulic push rod (6), the fixed end of the first electro-hydraulic push rod (6) is connected to the support frame (5), and the first electro-hydraulic push rod (6) The telescopic end is connected with the horizontal mounting bracket, and the two vertical mounting brackets are respectively connected with the two sides of the annular frame (12). 5. A sewage sedimentation tank according to claim 4, characterized in that the bottom wall scraping device comprises a second mounting frame (8) and a scraper (14), the second mounting frame (8) and the The bottom wall is parallel, the two ends of the second mounting bracket (8) are respectively connected to both sides of the annular frame (12), and the scraper (14) can reciprocate along the second mounting bracket (8). sports. 6. A sewage sedimentation tank according to claim 5, characterized in that, the bottom wall scraping device further comprises a transversely threaded rod (10) and a slave threaded rod (10) sleeved on the transversely threaded rod (10). a movable nut (15), the outer surface of the transversely threaded rod (10) is provided with an outer thread, and the driven nut (15) is provided with an inner thread that matches the transversely threaded rod (10); Both ends of the transversely threaded rod (10) are connected to the second mounting bracket (8), and the transversely threaded rod (10) extends along the length direction of the second mounting bracket (8). The scraper (14) is connected with the driven nut (15). 7 . The sewage sedimentation tank according to claim 6 , wherein the bottom wall scraping device further comprises a transverse guide rod ( 17 ), a positive guide ring ( 16 ) and a traction rod ( 11 ). 8 . The guide rod (17) is arranged in parallel with the transverse threaded rod (10), the guide ring (16) is sleeved on the transverse guide rod (17), and the traction rod (11) is arranged along the vertical bottom Extending in the direction of the wall, one end of the draw rod is connected to the scraper (14), and the other end is connected to the guide ring (16) and the driven nut (15) at the same time. 8 . The sewage sedimentation tank according to claim 7 , wherein the bottom wall scraping device further comprises a waterproof servo motor ( 9 ), and the output shaft of the waterproof servo motor ( 9 ) is arranged horizontally with the Threaded rod (10) drive connection. 9 . The sewage sedimentation tank according to claim 8 , wherein a second electro-hydraulic push rod ( 19 ) is arranged between the second mounting frame ( 8 ) and the first mounting frame ( 7 ). 10 . , the second electro-hydraulic push rod (19) can be extended and retracted along the direction perpendicular to the bottom wall; The two ends of the annular frame (12) connected to the second mounting bracket (8) are provided with a chute extending along the telescopic direction of the second electro-hydraulic push rod (19), and the second mounting bracket (8) The side-wing guide sliders (18) at both ends are adapted to the sliding grooves, and the side-wing guiding sliding blocks (18) can slide along the sliding grooves. 10 . The sewage sedimentation tank according to claim 9 , wherein the water inlet ( 3 ) and the water outlet ( 2 ) are respectively arranged on both sides of the sedimentation tank body ( 1 ). Both the water outlet (3) and the water outlet (2) are provided with on-off valves (4).

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