Environment-friendly engineering sewage precipitation and purification device

Abstract

The utility model discloses a sewage precipitation and purification device for environmental protection engineering, which belongs to the field of precipitation and purification devices, and is characterized in that an annular groove is formed in the inner wall in a box body, a rectangular groove penetrating through the outer wall of the box body is formed in the inner side wall of the annular groove, and a filter screen is rotatably mounted in the annular groove; a water outlet and a feeding port are formed in the side wall of the box body, a rotating block is installed on the side wall of the filter screen, penetrates out of the rectangular groove and is exposed out of the outer wall of the box body, a driving mechanism used for driving the filter screen to rotate is arranged on the side wall of the rotating block, a slag discharging port is formed in the side wall of the box body, and an inclined block is installed in the slag discharging port and extends into the box body. A notch is formed in the filter screen, the inclined block is located below the notch, a first motor is installed above the box body, an output shaft of the first motor is connected with a rotating shaft, a scraping plate is installed below the rotating shaft, and a liquid level sensor is installed above the filter screen and located on the inner side wall of the box body.

Description

Technical Field

[0001] The utility model belongs to the field of sedimentation purification devices, and more specifically relates to a sewage sedimentation purification device for environmental protection projects. Background Art

[0002] The sewage generated in life and production cannot be discharged directly. It must be discharged after sedimentation and filtration. The sewage forms flocs with the precipitant and then settles by standing to achieve sewage treatment.

[0003] In the existing sewage sedimentation purification device, during the sewage treatment process, the sewage is first filtered through a filter, leaving some impurities and sludge on the filter. If the filter is not cleaned for a long time, it will clog the filter and even affect the normal filtration. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a sewage sedimentation purification device for environmental protection engineering, which has the advantage of convenient cleaning of the filter screen.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sewage sedimentation and purification device for environmental protection engineering, comprising a box body, a water inlet is provided on the top of the box body, a sewage outlet is provided on the side wall of the box body, an annular groove is provided on the inner wall of the box body, a rectangular groove is provided on the inner side wall of the annular groove, the rectangular groove penetrates the outer wall of the box body, a filter screen is rotatably installed in the annular groove, a water outlet and a feed inlet are respectively provided on the side wall of the box body below the filter screen, a rotating block is installed on the side wall of the filter screen, the rotating block passes through the rectangular groove and exposes the outer wall of the box body, and a driving mechanism for driving the filter screen to rotate is provided on the side wall of the rotating block;

[0007] A slag discharge port is provided on the side wall of the box body and away from the rectangular groove. An inclined block is installed in the slag discharge port and extends into the box body. A notch of the same size as the slag discharge port is provided on the filter screen. The inclined block is located below the notch. A first motor is installed above the box body. The output shaft of the first motor is connected to a rotating shaft. A scraper is installed below the rotating shaft. A liquid level sensor is installed above the filter screen and on the inner wall of the box body.

[0008] The advantages of this solution are at least that: when sewage is precipitated and purified, when the filter screen is clogged, sewage will accumulate on the filter screen. When the sewage level reaches a certain height, the liquid level alarm on the inner wall of the box will be triggered. At this time, the liquid level alarm will transmit a signal to the controller. The controller controls the drive mechanism to start, driving the rotating block and the filter screen provided on the filter screen to rotate in the rectangular groove and the annular groove respectively, and then aligning the notch on the filter screen with the slag discharge port. After alignment, starting the first motor, the first motor drives the scraper on the rotating shaft to rotate on the filter screen, while rotating, impurities and other blockages are discharged through the slag discharge port and discharged into the pointing container along the inclined block, thereby avoiding the phenomenon of filter screen blockage during use.

[0009] The utility model is further configured as follows: the driving mechanism includes: an arc-shaped rack is provided on the outer wall of the rotating block, a mounting plate is installed above the arc-shaped rack, a second motor is installed on the mounting plate, an output shaft of the second motor passes through the mounting plate and is rotatably connected to the mounting plate, and a gear matching the arc-shaped rack is installed at the end of the output shaft of the second motor.

[0010] The utility model is further configured as follows: the lower side of the inner wall of the box body is funnel-shaped, a third motor is provided below the box body, a stirring shaft is provided at the output end of the third motor, a spiral blade and a stirring blade are respectively installed on the outer wall of the stirring shaft, the spiral blade is located on the inner wall of the box body, and the stirring blade is located inside the box.

[0011] The utility model is further configured as follows: a protective shell is installed on the outer wall of the driving mechanism.

[0012] The utility model is further configured as follows: an observation window is provided below the protective shell and on the outer side wall of the box body, and a sealing cover is connected to the mouth of the sewage outlet through a thread.

[0013] The utility model is further configured as follows: a first limit switch and a second limit switch are respectively installed on the left and right sides of the driving mechanism.

[0014] The utility model is further configured as follows: a plurality of supporting legs are installed on the bottom surface of the box body, and anti-slip pads are arranged on the bottom surfaces of the supporting legs.

[0015] The utility model is further configured as follows: material blocking plates are symmetrically arranged on the left and right sides of the inclined block.

[0016] In summary, the utility model has at least the following advantages:

[0017] 1. When sewage is precipitated and purified, when the filter screen is clogged, sewage will accumulate on the filter screen. When the liquid level of sewage reaches a certain height, the liquid level alarm on the inner wall of the box will be triggered. At this time, the liquid level alarm will transmit a signal to the controller. The controller controls the driving mechanism to start, driving the rotating block and the filter screen set on the filter screen to rotate in the rectangular groove and the annular groove respectively, and then aligning the notch on the filter screen with the slag discharge port. After alignment, start the first motor, and the first motor drives the scraper on the rotating shaft to rotate on the filter screen. While rotating, impurities and other blockages are discharged through the slag discharge port and discharged into the pointing container along the inclined block, thereby avoiding the phenomenon of filter screen blockage during use;

[0018] 2. The inner bottom surface of the box is set in a funnel shape, and the third motor and spiral blades are installed to make it easier for the sediment to be discharged from the bottom surface of the box. The stirring blades are driven to rotate by the stirring shaft, and the sewage is stirred by the rotation of the stirring blades, so that the sewage and the precipitant are quickly mixed, which is conducive to the rapid flocculation of impurities. The impurities sink under the action of gravity. The first limit switch and the second limit switch are set to avoid the driving mechanism from playing a limiting role when in use, and avoid the occurrence of excessive rotation;

[0019] 3. The protective shell can prevent the driving mechanism from injuring the user. At the same time, the blades can protect the driving mechanism. The baffle plate can prevent impurities and other blockages from overflowing from both sides of the inclined block or deviating from the collection position to a certain extent. The observation window can be used to check the sewage sedimentation and purification status in the box at any time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an overall schematic diagram of this embodiment;

[0021] Figure 2 It is a partial schematic diagram of the rear view of this embodiment;

[0022] Figure 3 is a three-dimensional cross-sectional schematic diagram of the box body in this embodiment;

[0023] Figure 4 Schematic diagram of the filter screen in this embodiment.

[0024] Figure numerals: 1. box body; 2. water inlet; 3. sewage outlet; 4. slag outlet; 5. material baffle; 6. water outlet; 7. feed inlet; 8. annular groove; 9. rectangular groove; 10. filter screen; 11. rotating block; 12. notch; 13. first motor; 14. rotating shaft; 15. scraper; 16. driving mechanism; 161. arc rack; 162. mounting plate; 163. second motor; 164. gear; 17. limit mechanism; 171. first limit switch; 172. second limit switch; 18. third motor; 19. stirring shaft; 20. spiral blade; 21. stirring blade; 22. protective shell; 23. observation window; 24. support leg; 25. liquid level sensor; 26. inclined block. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] A sewage sedimentation and purification device for environmental protection engineering comprises a box body 1, a water inlet 2 is provided on the top of the box body 1, a sewage outlet 3 is provided on the side wall of the box body 1, a slag outlet 4 is provided on the side wall of the box body 1, an inclined block 26 is installed in the slag outlet 4 and extends into the box body 1, and baffle plates 5 for preventing impurities from overflowing from both sides of the inclined block 26 are symmetrically arranged on the left and right sides of the inclined block 26, a plurality of supporting legs 24 are installed on the bottom surface of the box body 1, and anti-skid pads are provided on the bottom surface of the supporting legs 24, and an observation window 23 is provided on the outer side wall of the box body 1.

[0027] An annular groove 8 is provided on the inner wall of the box body 1, and a rectangular groove 9 is opened on the inner side wall of the annular groove 8, and the rectangular groove 9 passes through the outer wall of the box body 1. A filter screen 10 is rotatably installed in the annular groove 8, and a water outlet 6 and a feed port 7 are respectively provided on the side walls of the box body 1 below the filter screen 10, and a rotating block 11 is installed on the side wall of the filter screen 10, and the rotating block 11 passes through the rectangular groove 9 and exposes the outer wall of the box body 1, and a notch 12 of the same size as the slag discharge port 4 is opened on the filter screen 10, and an inclined block 26 is located below the notch 12. A first motor 13 is installed above the box body 1, and the output shaft of the first motor 13 is connected to the rotating shaft 14, and a scraper 15 is installed below the rotating shaft 14. A liquid level sensor 25 is installed above the filter screen 10 and on the inner side wall of the box body 1, and a driving mechanism 16 for driving the filter screen 10 to rotate is provided on the outer side wall of the rotating block 11, and a protective shell 22 is installed on the outer wall of the driving mechanism 16.

[0028] The driving mechanism 16 includes: an arc-shaped rack 161 fixedly connected to the outer wall of the rotating block 11, a mounting plate 162 is provided above the arc-shaped rack 161 and located on the outer side wall of the box body 1, a second motor 163 is installed on the mounting plate 162, and the output shaft of the second motor 163 passes through the mounting plate 162 and is rotatably connected to the mounting plate 162. A gear 164 matching the arc-shaped rack 161 is installed at the end of the output shaft of the second motor 163, and a limit mechanism 17 is installed on the left and right sides of the driving mechanism 16, and the limit mechanism 17 includes: a first limit switch 171 and a second limit switch 172.

[0029] The inner bottom surface of the box body 1 is funnel-shaped, and a third motor 18 is provided below the box body 1. A stirring shaft 19 is provided at the output end of the third motor 18. A spiral blade 20 and a stirring blade 21 are respectively installed on the outer wall of the stirring shaft 19. The spiral blade 20 is located on the inner wall of the box body 1, and the stirring blade 21 is located inside the box.

[0030] The working process and beneficial effects of the utility model are as follows:

[0031] When sewage is precipitated and purified, when the filter screen 10 is clogged, sewage will accumulate on the filter screen 10. When the liquid level of the sewage reaches a certain height, the liquid level alarm on the inner wall of the box body 1 will be triggered. At this time, the liquid level alarm will transmit a signal to the controller. The controller controls the driving mechanism 16 to start, and the second motor 163 in the driving motor rotates to drive the gear 164 of the output shaft. The gear 164 drives the arc rack 161, the rotating block 11 set on the filter screen 10 and the filter screen 10 to rotate in the rectangular groove 9 and the annular groove 8 respectively, and then the notch 12 on the filter screen 10 is aligned with the slag discharge port 4. When the arc rack 161 touches the first limit switch 171, the second motor 163 will be powered off, and the first motor 13 will be started at the same time. The first motor 13 drives the scraper 15 on the rotating shaft 14 to rotate on the filter screen 10. While rotating, impurities and other blockages are discharged through the slag discharge port 4 and the impurities and other blockages are discharged into a designated container along the inclined block 26, thereby avoiding the phenomenon of filter screen 10 being blocked during use.

[0032] During sedimentation purification, the precipitant is put into the housing 1 through the feed port 7, and then the third motor 18 is started to rotate the stirring blade 21 and the spiral blade 20 in the housing 1, so that the precipitant is fully mixed with the sewage, accelerating the flocculation of impurities in the sewage, and then the third motor 18 is stopped to allow the impurities in the sewage to precipitate, and the sedimentation of the sewage is checked through the observation window 23. When it is necessary to discharge impurities, the precipitated sewage is first discharged through the drain port, and then the sealing cover of the sewage outlet 3 is unscrewed, and then the third motor 18 is started to rotate the spiral blade 20 to accelerate the discharge of impurities from the housing 1.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A sewage sedimentation and purification device for environmental protection engineering, comprising a box body (1), a water inlet (2) is provided on the top of the box body (1), and a sewage outlet (3) is provided on the side wall of the box body (1), characterized in that: The inner wall of the box body (1) is provided with an annular groove (8), and a rectangular groove (9) is opened on the inner side wall of the annular groove (8), and the rectangular groove (9) penetrates the outer wall of the box body (1). A filter screen (10) is rotatably installed in the annular groove (8), and a water outlet (6) and a feed inlet (7) are respectively provided below the filter screen (10) and on the side wall of the box body (1). A rotating block (11) is installed on the side wall of the filter screen (10), and the rotating block (11) passes through the rectangular groove (9) and exposes the outer wall of the box body (1). A driving mechanism (16) for driving the filter screen (10) to rotate is provided on the side wall of the rotating block (11); A slag discharge port (4) is provided on a side wall of the box body (1) away from the rectangular groove (9), an inclined block (26) is installed in the slag discharge port (4) and extends into the box body (1), a notch (12) of the same size as the slag discharge port (4) is provided on the filter screen (10), the inclined block (26) is located below the notch (12), a first motor (13) is installed above the box body (1), an output shaft of the first motor (13) is connected to a rotating shaft (14), a scraper (15) is installed below the rotating shaft (14), and a liquid level sensor (25) is installed above the filter screen (10) and located on the inner wall of the box body (1).

2. The environmental protection engineering sewage sedimentation purification device according to claim 1 is characterized by: The driving mechanism (16) comprises: an arc-shaped rack (161) is provided on the outer wall of the rotating block (11); a mounting plate (162) is installed above the arc-shaped rack (161); a second motor (163) is installed on the mounting plate (162); an output shaft of the second motor (163) passes through the mounting plate (162) and is rotatably connected to the mounting plate (162); a gear (164) matching the arc-shaped rack (161) is installed at the end of the output shaft of the second motor (163); and a limiting mechanism (17) is installed on the left and right sides of the driving mechanism (16).

3. The environmental protection engineering sewage sedimentation purification device according to claim 1 is characterized by: The inner bottom surface of the box body (1) is arranged in a funnel shape. A third motor (18) is arranged below the box body (1). A stirring shaft (19) is arranged at the output end of the third motor (18). A spiral blade (20) and a stirring blade (21) are respectively mounted on the outer wall of the stirring shaft (19). The spiral blade (20) is located on the inner wall of the box body (1), and the stirring blade (21) is located inside the box.

4. The environmental protection engineering sewage sedimentation purification device according to claim 2 is characterized by: A protective shell (22) is installed on the outer wall of the driving mechanism (16).

5. The environmental protection engineering sewage sedimentation purification device according to claim 4 is characterized by: An observation window (23) is provided below the protective shell (22) and on the outer side wall of the box body (1), and a sealing cover is threadedly connected to the mouth of the sewage outlet (3).

6. The environmental protection engineering sewage sedimentation purification device according to claim 2 is characterized by: The limit mechanism (17) comprises a first limit switch (171) and a second limit switch (172).

7. The environmental protection engineering sewage sedimentation purification device according to claim 1 is characterized by: A plurality of support legs (24) are installed on the bottom surface of the box body (1), and anti-slip pads are provided on the bottom surfaces of the support legs (24).

8. The environmental protection engineering sewage sedimentation purification device according to claim 1 is characterized by: Material blocking plates (5) are symmetrically arranged on the left and right sides of the inclined block (26).

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