Sewage precipitation device

Abstract

The sewage precipitation device comprises a tank body, a water inlet and a water outlet are formed in the upper portions of the left end and the right end of the tank body respectively, a first partition plate, a second partition plate and a third partition plate are sequentially arranged in an inner cavity of the tank body from left to right, and the upper end of the first partition plate and the upper end of the third partition plate are flush with a tank opening of the tank body. The upper end and the lower end of the second partition plate are connected with the upper end and the lower end of the tank body respectively, and inclined tube filler used for precipitating impurities and separating oil is installed between the first partition plate and the second partition plate and arranged at the position, close to the lower end, of the first partition plate. Ultrasonic generators are arranged at the positions, corresponding to the inclined tube filler, of the first partition plate and the third partition plate, and a notch is formed in the middle of the second partition plate and located above the inclined tube filler. According to the utility model, sediments adhered to the inclined tube filler can vibrate and fall through the ultrasonic generator, the water body cannot be disturbed, and the sedimentation efficiency is improved.

Description

Technical Field

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

[0002] Wastewater with high oil content and many impurities is generally treated in a sewage sedimentation tank. After the sewage is passed into the sedimentation tank, the light oil and scum in the sewage float to the water surface, and then the oil on the surface of the sewage is extracted and centrally treated by a slag extraction mechanism, while the solid impurities with higher density in the sewage are precipitated to the bottom of the sedimentation tank, and sewage can be discharged regularly. Existing sedimentation tanks, such as the oil separation sedimentation tank disclosed in the patent number CN219783900U, can input air into the sewage through an aeration device to promote the flow of sewage, so that the sewage impacts the inclined tube filler, and the inclined tube filler vibrates continuously, thereby The sludge on the inclined tube filler is shaken off into the first sludge collecting hopper and the second sludge collecting hopper; however, the above patent has the following problems during use: when an aeration device is used to introduce air into the sedimentation tank to allow the sewage to impact the inclined tube filler, the water body is also stirred to a large extent and in an unordered manner, so that part of the precipitated impurities on the inclined tube filler are re-stirred and suspended in the water body, and cannot be precipitated to the bottom of the tank in time, thereby reducing the sedimentation efficiency of the sewage; and when the filtered sewage has an oil discharge port and a drain port set at the same height, if the floating oil is not completely cleaned up, the oil will be discharged along with the drainage, and the oil separation effect is poor. Utility Model Content

[0003] The purpose of the utility model is to provide a sewage sedimentation device that can solve the above-mentioned technical problems and has the advantages of good sedimentation effect, high efficiency and good oil separation effect.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a sewage sedimentation device, including a tank body, wherein the upper parts of the left and right ends of the tank body are respectively provided with a water inlet and a water outlet, and the inner cavity of the tank body is provided with a first partition, a second partition, and a third partition from left to right, wherein the upper ends of the first partition and the third partition are flush with the tank mouth of the tank body, and there is a gap between the lower ends and the bottom surface of the tank body, the upper and lower ends of the second partition are respectively connected to the upper and lower ends of the tank body, and an oblique tube filler for precipitating impurities and separating oil is installed between the first partition and the second partition, the oblique tube filler is arranged near the lower end of the first partition, and ultrasonic generators are arranged at the oblique tube fillers corresponding to the first partition and the third partition, and a notch is opened in the middle of the second partition, and the notch is located above the oblique tube filler.

[0005] Furthermore, a support column is provided on the bottom surface of the outer wall of the tank.

[0006] Furthermore, the bottom surface of the tank body is an inclined surface, and a sewage valve is provided at the low point of the inclined surface.

[0007] Furthermore, the inclination angle a of the inclined surface is 45°-60°.

[0008] Furthermore, the water inlet is connected to a water inlet pipe, and the water inlet pipe extends into the gap between the first partition and the bottom surface of the tank body.

[0009] Furthermore, a cover plate is hinged on the upper end of the tank body.

[0010] Furthermore, a filter screen is provided at the notch, and the filter screen is detachably connected to the notch of the second partition plate by means of bolt connection.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] The oblique tube filler can accelerate the precipitation of solid impurities in sewage and play the role of oil separation. As the solid impurities accumulate on the oblique tube filler and fall to the bottom of the tank under the action of their own gravity, the first baffle and the second baffle can be vibrated by the ultrasonic generator and drive the oblique tube filler to vibrate together, so that the precipitation attached to the oblique tube filler can fall. And because the ultrasonic generator vibrates sinusoidally and its amplitude is small, it will not stir the water body, so that the solid impurities can quickly fall to the bottom of the tank during the falling process, improving the precipitation efficiency. The filter can further filter the solid impurities in the sewage, improve the sewage treatment effect, and use bolts for detachable connection, which is convenient for the replacement of the filter to avoid impurities clogging the filter after long-term use and affecting the normal operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of the utility model;

[0014] Figure 2 for Figure 1 Magnified view of section A.

[0015] In the figure: 1. tank body; 2. water inlet; 3. water outlet; 4. first partition; 5. second partition; 6. third partition; 7. inclined tube filler; 8. ultrasonic generator; 9. support column; 10. sewage valve; 11. water inlet pipe; 12. cover plate; 13. filter screen. DETAILED DESCRIPTION

[0016] The utility model will be further described below.

[0017] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0019] See also Figure 1 and Figure 2

[0020] A sewage sedimentation device comprises a tank body 1, wherein the upper parts of the left and right ends of the tank body 1 are respectively provided with a water inlet 2 and a water outlet 3, wherein the inner cavity of the tank body 1 is provided with a first baffle 4, a second baffle 5, and a third baffle 6 from left to right, wherein the upper ends of the first baffle 4 and the third baffle 6 are both flush with the tank mouth of the tank body 1, and there is a gap between the lower ends and the bottom surface of the tank body 1, the water inlet 2 is connected to a water inlet pipe 11, and the water inlet pipe 11 extends into the gap between the first baffle 4 and the bottom surface of the tank body 1, and the upper and lower ends of the second baffle 5 are connected to the water inlet 2. The ends are respectively connected to the upper and lower ends of the tank body 1, and an oblique tube filler 7 for precipitating impurities and separating oil is installed between the first partition plate 4 and the second partition plate 5. The oblique tube filler 7 is arranged near the lower end of the first partition plate 4, and an ultrasonic generator 8 is provided at the oblique tube filler 7 corresponding to the first partition plate 4 and the third partition plate 6. The oblique tube filler 7 is made of one of PVC, polypropylene, and ethylene-propylene copolymer, and is fixedly bonded to the first partition plate 4 and the second partition plate 5 by glue. A notch is opened in the middle of the second partition plate 5, and the notch is located above the oblique tube filler 7.

[0021] The working principle of this utility model:

[0022] When in use, the water inlet 3 is connected to an external sewage pipe, and the sewage in the external sewage pipe is transported to the tank body 1 under the action of the booster pump, and is transported to the bottom of the tank body 1 (that is, it is transported to the gap between the first partition plate 5 and the tank body) through the water inlet pipe 11. As the sewage water level in the tank body 1 rises, the sewage flows through the inclined tube filler 7. The inclined tube filler 7 can accelerate the precipitation of solid impurities in the sewage and play a role in oil separation. As the solid impurities are precipitated and accumulated on the inclined tube filler 7 and fall to the bottom of the tank body 1 under the action of their own gravity, the sewage after oil separation flows from the gap above the inclined tube filler 7 into the space between the second partition plate 5 and the third partition plate 6. Of course, there may also be a problem that the inclined tube filler 7 cannot completely absorb the oil in the sewage. Therefore, when the sewage is located between the second partition plate 5 and the third partition plate 6, the oil floats on the water surface. At the same time, the clean water below flows from the gap between the third partition plate 6 and the bottom of the tank body 1 to the water outlet 3, thereby realizing further oil separation treatment of the sewage. It should be noted that after the device has been used for a long time, sediment may accumulate on the oblique tube filler 7 and affect the normal operation of the oblique tube filler 7. At this time, the ultrasonic generator 8 can be started. The ultrasonic generator 8 is an existing small ultrasonic generator. Since the ultrasonic generator 8 generates sound waves by its own vibration, the ultrasonic generator 8 can also make the first baffle 4 and the second baffle 5 vibrate and drive the oblique tube filler 7 to vibrate together, so that the sediment attached to the oblique tube filler 7 can fall down. Moreover, since the ultrasonic generator 8 vibrates sinusoidally and has a small amplitude, it will not stir the water body in a disorderly manner, so that the solid impurities can quickly fall to the bottom of the tank body 1 during the falling process, thereby improving the sedimentation efficiency.

[0023] Specifically, in this embodiment, a support column 9 is provided on the bottom surface of the outer wall of the tank body 1. The bottom surface of the tank body 1 is an inclined surface, and a sewage valve 10 is provided at the low point of the inclined surface. The inclination angle a of the inclined surface is 45°-60°. The support column 9 provides support for the tank body 1, and the bottom of the tank body 1 is suspended in the air, which is convenient for operators to open and close the sewage valve 10. When solid impurities are deposited on the bottom surface of the tank body 1, the deposits can be automatically accumulated at the sewage valve 10 under the action of their own gravity through the inclined surface, which is convenient for the treatment of the deposited impurities.

[0024] Specifically, in this embodiment, a cover plate 12 is hingedly connected to the upper end of the tank body 1. During the operation of the device, the cover plate 12 can be opened and the oil on the water surface in the tank body 1 can be centrally extracted through the existing oil extraction device.

[0025] Specifically, in this embodiment, a filter screen 13 is provided at the notch, and the filter screen 13 is detachably connected to the notch of the second partition plate 5 by bolt connection. The filter screen 13 preferably uses a 400-mesh filter screen, which can further filter solid impurities in the sewage to improve the sewage treatment effect, and the use of bolts for detachable connection facilitates the replacement of the filter screen 13, and avoids impurities clogging the filter screen 13 after long-term use and affecting the normal operation of the device.

[0026] Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation methods and application scope. Changes and improvements to the utility model will be possible without exceeding the concept and scope specified in the attached claims. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A sewage sedimentation device, characterized in that: The invention comprises a tank body (1), wherein the upper parts of the left and right ends of the tank body (1) are respectively provided with a water inlet (2) and a water outlet (3), wherein the inner cavity of the tank body (1) is provided with a first baffle (4), a second baffle (5), and a third baffle (6) from left to right, wherein the upper ends of the first baffle (4) and the third baffle (6) are both flush with the tank mouth of the tank body (1), and a gap is left between the lower ends and the bottom surface of the tank body (1), the upper and lower ends of the second baffle (5) are respectively connected to the upper and lower ends of the tank body (1), an oblique tube filler (7) for precipitating impurities and separating oil is installed between the first baffle (4) and the second baffle (5), the oblique tube filler (7) is arranged near the lower end of the first baffle (4), and an ultrasonic generator (8) is arranged at the oblique tube filler (7) corresponding to the first baffle (4) and the third baffle (6), and a notch is opened in the middle of the second baffle (5), and the notch is located above the oblique tube filler (7).

2. A sewage sedimentation device according to claim 1, characterized in that: A support column (9) is provided on the bottom surface of the outer wall of the tank body (1).

3. A sewage sedimentation device according to claim 2, characterized in that: The bottom surface of the tank body (1) is an inclined surface, and a sewage discharge valve (10) is provided at the low point of the inclined surface.

4. A sewage sedimentation device according to claim 3, characterized in that: The inclination angle a of the inclined surface is (45)°-(60)°.

5. A sewage sedimentation device according to claim 1, characterized in that: The water inlet (2) is connected to a water inlet pipe (11), and the water inlet pipe (11) extends into the gap between the first partition plate (4) and the bottom surface of the tank body (1).

6. A sewage sedimentation device according to claim 5, characterized in that: A cover plate (12) is hingedly connected to the upper end of the tank body (1).

7. A sewage sedimentation device according to claim 6, characterized in that: A filter screen (13) is provided at the notch, and the filter screen (13) is detachably connected to the notch of the second partition plate (5) by means of bolt connection.

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