Environment-friendly sewage filtering device and method

Abstract

The invention discloses an environment-friendly sewage filtering device which comprises a filtering box, a rotary fishing device is arranged in the filtering box, a flocculation precipitation device and rotary separation equipment are arranged at the bottom of the filtering box, and a transfer device is arranged in the flocculation precipitation device. Surface treatment equipment is arranged on the surface of the flocculent precipitation device, and an extrusion water filtering device is arranged on the side surface of the filtering box. The environment-friendly sewage filtering method comprises the following steps: S1, primary filtering; s2, flocculating and filtering; s3, carrying out flocculation treatment; s4, carrying out compression processing; s5, carrying out surface treatment; and S6, final treatment. Through the rotary fishing device, the flocculation precipitation device and the extrusion water filtering device, water filtering operation can be conveniently and continuously carried out, and blockage is not prone to being generated.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and particularly relates to an environment-friendly sewage filtration device. Background Art

[0002] Sewage refers to the discharged water from life and production that is contaminated to a certain extent. Water that has lost its original use function is simply called sewage, mainly the water used in daily life, which contains a large amount of organic matter and is relatively easy to treat. Before sewage is discharged, a sewage filtration device is needed for treatment. After the sewage filtration device is used for a long time, impurities will adhere to the surface of the filter screen. In order to ensure the normal use of the sewage filtration device, it is necessary to remove the impurities adhering to the surface of the filter screen. At the same time, using the filter screen to filter sewage plays an environmental protection role.

[0003] In the existing environment-friendly sewage filtration and purification treatment device, during the use process, if there are too many impurities in the sewage, it is very easy to cause the filter screen to be blocked, thereby affecting the efficiency of the filtration work, and the impurities need to be cleaned twice, or the filter screen is tilted so that the impurities accumulate below, making the filtration above smoother. However, if it is not cleaned in time, it will also cause blockage. Summary of the Invention

[0004] An object of the present invention is to at least solve one of the technical problems existing in the prior art, and provide an environment-friendly sewage filtration device, which is convenient for continuous water filtration operation and is not easy to be blocked through a rotary fishing device, a flocculation sedimentation device, and an extrusion water filtration device.

[0005] The present invention also provides an environment-friendly sewage filtration device having the above, including: a filtration tank, a rotary fishing device is arranged inside the filtration tank, a flocculation sedimentation device and a rotary separation device are arranged at the bottom of the filtration tank, a transfer device is arranged inside the flocculation sedimentation device, a surface treatment device is arranged on the surface of the flocculation sedimentation device, and an extrusion water filtration device is arranged on the side surface of the filtration tank. Through the rotary fishing device, the flocculation sedimentation device, and the extrusion water filtration device, it is convenient for continuous water filtration operation and is not easy to be blocked.

[0006] According to an environment-friendly sewage filtration device of the present invention, the filtration tank includes a box body, a feed inlet is fixedly connected to the top end of the box body, the feed inlet is funnel-shaped, an opening communicating with the extrusion water filtration device is arranged on the side of the box body, and a clamping sleeve is arranged on the inner surface of the feed inlet. Through the above components, it is convenient to fix the pipeline for discharging sewage, thereby preventing sewage leakage.

[0007] An environment-friendly sewage filtration device according to the present invention, wherein the rotary fishing device includes a rotating shaft, both ends of the rotating shaft are fixedly connected to the box body, a filter screen is fixedly connected to the side surface of the rotating shaft, a filter cavity is fixed inside the filtration box, the bottom of the filter cavity is communicated with an opening, a scraper is movably connected to the side wall of the filter cavity through a spring, a filtrate hole is fixedly connected to the side surface of the filter cavity, and the filtrate hole is communicated with the filtration box. Through the above components, the sewage can be initially filtered by a plurality of rotating filter screens, and solid particles and sundries can be filtered out.

[0008] An environment-friendly sewage filtration device according to the present invention, wherein the flocculation and sedimentation device includes a chemical dosing device and a flocculation port. The chemical dosing device is arranged on the side surface of the filtration box, the flocculation port is located at the bottom of the filtration box, a transmission pipe is arranged at the bottom of the flocculation port, and the transmission pipe is fixedly connected to a discharge pipe through a pump body. The output port of the discharge pipe is located above the filter cavity. Through the above components, the sewage can be flocculated and then discharged by sedimentation.

[0009] An environment-friendly sewage filtration device according to the present invention, wherein the chemical dosing device includes a rotating cylinder, the rotating cylinder is driven by a transmission motor, a chemical agent is arranged inside the rotating cylinder, holes are arranged on the side surface of the rotating cylinder, a stirring rod is fixedly connected to the side surface of the rotating cylinder, a chemical dosing port is fixedly connected to the top end of the rotating cylinder, the transmission motor is fixedly connected to the bottom end of the filtration box, the chemical dosing port is located at the top end of the filtration box, and the rotating cylinder is located inside the filtration box. Through the above components, the flocculant can be discharged while being stirred, making the flocculation faster and reducing the mixing time at the same time.

[0010] An environment-friendly sewage filtration device according to the present invention, wherein the transfer device includes a transfer pump. The input end of the transfer pump is fixedly connected to a water inlet pipe, the inlet of the water inlet pipe is located at the flocculation port, the output end of the transfer pump is fixedly connected to a water outlet pipe, and the water outlet pipe is located inside the rotary separation device. Through the above components, the flocculated sewage can be discharged into the rotary separation device.

[0011] An environment-friendly sewage filtration device according to the present invention, wherein the surface treatment device includes an electric telescopic rod. The output end of the electric telescopic rod is fixedly connected to a slider, an arc-shaped water suction pipe is arranged inside the slider, the arc-shaped water suction pipe is communicated with a storage box through a water suction pump, and the storage box is located outside the filtration box. Through the above components, after the flocculation is completed, the floating objects on the surface can be cleaned.

[0012] An environment-friendly sewage filtration device according to the present invention, the rotary separation device includes a drainage cavity, a drainage port is provided on the side surface of the drainage cavity, a centrifugal cavity is rotatably connected inside the drainage cavity, a connecting rod is fixedly connected to the center of the centrifugal cavity, and one end of the connecting rod is fixedly connected to a centrifugal motor, and the centrifugal motor is fixedly connected to the upper surface of the filter tank. Through the above components, the incoming sewage can be centrifugally filtered, and the treated sewage inside can be discharged.

[0013] An environment-friendly sewage filtration device according to the present invention, the extrusion water filtration device includes an extrusion cavity, a cylinder is provided at the bottom of the extrusion cavity, the output end of the cylinder is fixedly connected to a pressure plate, filter holes are provided inside the pressure plate, a door body is movably connected to the upper end of the extrusion cavity, and the bottom end of the extrusion cavity communicates with the filter tank. Through the above components, the sediment can be effectively pressure-filtered and then discharged.

[0014] An environment-friendly sewage filtration method, using the above-mentioned environment-friendly sewage filtration device, includes the following steps: S1. Initial filtration: The generated sewage enters the device through the feed port above the filter tank. The large particles and sundries are filtered by the rotating filter screen. During the rotation process, it does not affect the entry of subsequent sewage. After rotation, the filter screen transfers the filtered substances to the inside of the filter cavity through a scraper; S2. Flocculation filtration: The sewage after initial filtration falls into the filter tank. Through the rotation of the dosing device, the flocculant inside is thrown out while the inside is stirred by the stirring rod. When the dosing ends, the stirring inside stops synchronously; S3. Flocculation treatment: The stirred sewage slowly stops, and the flocculated sewage impurities are transported to the filter cavity through the discharge pipe; S4. Compression treatment: The items inside the filter cavity enter the inside of the extrusion cavity through the opening. The cylinder drives the pressure plate to move, and the impurities inside are extrusion-filtered. Then, by opening the door body, the cylinder continues to move and discharges them; S5. Surface treatment: After the compression treatment is completed, the lifting arc-shaped water suction pipe is used to make it located on the water surface, and the floating objects on the surface are sucked into the storage box through the arc-shaped water suction pipe; S6. Final treatment: Water is added to the centrifugal cavity through a transfer pump, and the final sewage is filtered through the rotating centrifugal cavity to obtain the finally treated water, and the treated water is discharged through the drainage port.

[0015] Beneficial effects: In the present invention, through the rotary fishing device, the flocculation precipitation device and the extrusion water filtration device, it is convenient to continuously carry out the water filtration operation and is not prone to blockage.

[0016] In the present invention, through the medicine adding method of centrifugation and stirring, while dispersing the medicine, the dispersed medicine is dispersed again, which can reduce the medicine adding and stirring time and make flocculation faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the drawings and embodiments; Figure 1 It is a bottom view structure diagram of the present invention; Figure 2 It is a three-dimensional structure diagram of the present invention; Figure 3 It is a rear view structure diagram of the present invention; Figure 4 It is a sectional structure diagram of the present invention; Figure 5 It is a sectional view structure diagram of the present invention; Figure 6 It is a structure diagram of the medicine adding device of the present invention; Figure 7 It is a structure diagram of the transfer device of the present invention; Figure 8 It is a structure diagram of the surface treatment equipment of the present invention; Figure 9 It is a structure diagram of the centrifugal chamber of the present invention; Figure 10 It is a structure diagram of the extrusion water filtering device of the present invention.

[0018] Legend Explanation: 1. Filter box; 2. Rotary fishing device; 3. Flocculation precipitation device; 4. Transfer device; 5. Surface treatment equipment; 6. Rotary separation equipment; 7. Extrusion water filtering device; 11. Box body; 12. Feed inlet; 13. Opening; 14. Ferrule; 21. Rotating shaft; 22. Filter screen; 23. Filter cavity; 24. Scraper; 31. Medicine adding device; 32. Flocculation port; 33. Transmission pipe; 34. Discharge pipe; 311. Rotary cylinder; 312. Driving motor; 313. Stirring rod; 314. Medicine adding port; 41. Transfer pump; 42. Water inlet pipe; 43. Water outlet pipe; 51. Electric telescopic rod; 52. Slide block; 53. Arc-shaped water suction pipe; 54. Storage box; 61. Drainage cavity; 62. Drainage port; 63. Centrifugal chamber; 64. Connecting rod; 65. Centrifugal motor; 71. Extrusion cavity; 72. Cylinder; 73. Pressing plate; 74. Door body. DETAILED DESCRIPTION OF THE INVENTION

[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0020] Referring to Figures 1-5 , an environmentally friendly sewage filtration device according to an embodiment of the present invention includes: a filtration tank 1. The filtration tank 1 includes a tank body 11. A feed inlet 12 is fixedly connected to the top end of the tank body 11. The feed inlet 12 is funnel-shaped. An opening 13 communicating with the extrusion water filtration device 7 is provided on the side of the tank body 11. A ferrule 14 is provided on the inner surface of the feed inlet 12.

[0021] Specifically, during use, the sewage transmission pipe is placed in the feed inlet 12, and the sewage transmission pipe is fixed by the ferrule 14 to prevent the sewage transmission pipe from being thrown out, facilitating the transmission of sewage.

[0022] A rotary scavenging device 2 is provided inside the filtration tank 1. The rotary scavenging device 2 includes a rotating shaft 21. Both ends of the rotating shaft 21 are fixedly connected to the tank body 11. A filter screen 22 is fixedly connected to the side surface of the rotating shaft 21. There are multiple filter screens to ensure that the water entering from the feed inlet 12 uniformly falls onto the filter screens. A filter cavity 23 is fixed inside the filtration tank 1. The bottom of the filter cavity 23 is communicated with the opening 13. A scraper 24 is movably connected to the side wall of the filter cavity 23 through a spring. The scraper 24 is in contact with the rotating filter screen. A filtrate hole is fixedly connected to the side surface of the filter cavity 23, and the filtrate hole is communicated with the filtration tank 1.

[0023] Specifically, sewage falls from the feed inlet 12 onto the rotating filter screen 22. Through rotation, the filter screen 22 comes into contact with the scraper 24, and the impurities on the filter screen 22 are scraped into the filter cavity 23, and the water carried therein can be filtered through the filtrate hole.

[0024] A flocculation precipitation device 3 and a rotary separation device 6 are provided at the bottom of the filtration tank 1. The flocculation precipitation device 3 includes a chemical dosing device 31 and a flocculation port 32. The chemical dosing device 31 is provided on the side surface of the filtration tank 1. The flocculation port 32 is located at the bottom of the filtration tank 1. A transmission pipe 33 is provided at the bottom of the flocculation port 32. The transmission pipe 33 is fixedly connected to a discharge pipe 34 through a pump body. The output port of the discharge pipe 34 is located above the filter cavity 23.

[0025] Specifically, a flocculant is added to the inside through the chemical dosing device 31. After flocculation, it precipitates to the flocculation port 32, and the flocculated impurities inside are discharged into the filter cavity 23 through the discharge pipe 34.

[0026] The chemical dosing device 31 includes a rotating cylinder 311 driven by a transmission motor 312. There is a chemical agent inside the rotating cylinder 311. The side surface of the rotating cylinder 311 is provided with holes. A stirring rod 313 is fixedly connected to the side surface of the rotating cylinder 311. A chemical dosing port 314 is fixedly connected to the top end of the rotating cylinder 311. The transmission motor 312 is fixedly connected to the bottom end of the filtration tank 1. The chemical dosing port 314 is located at the top of the filtration tank 1. The rotating cylinder 311 is located inside the filtration tank 1.

[0027] Specifically, a flocculant is added through the chemical dosing port 314. Through rotation, the flocculant is centrifugally thrown out. At the same time, the thrown-out flocculant can be dispersed by the stirring rod 313, and the sewage and the flocculant are stirred to ensure the flocculation efficiency.

[0028] The rotation separation device 6 includes a drainage chamber 61. A drainage port 62 is provided on the side surface of the drainage chamber 61. An centrifugal chamber 63 is rotatably connected inside the drainage chamber 61. A connecting rod 64 is fixedly connected to the center of the centrifugal chamber 63. One end of the connecting rod 64 is fixedly connected to a centrifugal motor 65. The centrifugal motor 65 is fixedly connected to the upper surface of the filtration tank 1.

[0029] Specifically, the treated sewage enters the centrifugal chamber 63. Through the centrifugal force of rotation, the water is pressurized, thereby accelerating its filtration efficiency. In the final treatment, the sewage that is not thoroughly treated inside is finally cleaned.

[0030] A transfer device 4 is provided inside the flocculation and precipitation device 3. The transfer device 4 includes a transfer pump 41. An inlet pipe 42 is fixedly connected to the input end of the transfer pump 41. The inlet of the inlet pipe 42 is located at the flocculation port 32. An outlet pipe 43 is fixedly connected to the input end of the transfer pump 41. The outlet pipe 43 is located inside the rotation separation device 6.

[0031] Specifically, through the movement of the transfer pump 41, the precipitated sewage is transferred to the rotation separation device 6.

[0032] A surface treatment device 5 is provided on the surface of the flocculation and precipitation device 3. The surface treatment device 5 includes an electric telescopic rod 51. A slider 52 is fixedly connected to the output end of the electric telescopic rod 51. An arc-shaped water suction pipe 53 is provided inside the slider 52. The arc-shaped water suction pipe 53 is communicated with a storage tank 54 through a water suction pump. The storage tank 54 is located outside the filtration tank 1. During use, by lifting and lowering the arc-shaped water suction pipe 53 to make it located on the water surface, the floating objects on the surface are sucked into the storage tank 54 through the arc-shaped water suction pipe 53.

[0033] The side surface of the filter box 1 is provided with an extrusion water filtering device 7. The extrusion water filtering device 7 includes an extrusion chamber 71. At the bottom of the extrusion chamber 71, there is a cylinder 72. The output end of the cylinder 72 is fixedly connected with a pressure plate 73. The inside of the pressure plate 73 is provided with filter holes. The upper end of the extrusion chamber 71 is movably connected with a door body 74. The bottom end of the extrusion chamber 71 is communicated with the filter box 1. The items inside the filter chamber 23 enter the inside of the extrusion chamber 71 through the opening 13. By driving the pressure plate 73 to move through the cylinder 72, after squeezing and filtering the internal impurities, by opening the door body 73, the cylinder 72 continues to move and discharges them.

[0034] An environment-friendly sewage filtering method, using the above environment-friendly sewage filtering device, includes the following steps: S1. Primary filtration: The generated sewage enters the device through the feed inlet 12 above the filter box 1. The large particles and sundries are filtered by the rotating filter screen 22. During the rotation process, it does not affect the entry of subsequent sewage. After rotation, the filter screen 22 transfers the filtered substances to the inside of the filter chamber 23 through the scraper 24; S2. Flocculation filtration: The sewage after primary filtration falls into the filter box 1. Through the rotation of the dosing device 31, while throwing out the flocculant inside, at the same time, the inside is stirred by the stirring rod 313. When the dosing ends, the stirring inside stops synchronously; S3. Flocculation treatment: The stirred sewage slowly stops. The flocculated sewage impurities are transported to the filter chamber 23 through the discharge pipe 34; S4. Compression treatment: The items inside the filter chamber 23 enter the inside of the extrusion chamber 71 through the opening 13. By driving the pressure plate 73 to move through the cylinder 72, after squeezing and filtering the internal impurities, by opening the door body 73, the cylinder 72 continues to move and discharges them; S5. Surface treatment: After the compression treatment is completed, through the lifting arc-shaped water suction pipe 53, making it located on the water surface, the floating objects on the surface are sucked into the storage box 54 through the arc-shaped water suction pipe 53; S6. Final treatment: Water is added to the centrifugal chamber 63 through the transfer pump 41. Through the rotating centrifugal chamber, the final sewage is filtered to obtain the finally treated water, and the treated water is discharged through the drain port 62.

[0035] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. An environmentally friendly sewage filtering device, characterized in that: include: A filter box (1), wherein a rotating scooping device (2) is arranged inside the filter box (1), a flocculation and sedimentation device (3) and a rotating separation device (6) are arranged at the bottom of the filter box (1), a transfer device (4) is arranged inside the flocculation and sedimentation device (3), a surface treatment device (5) is arranged on the surface of the flocculation and sedimentation device (3), and a squeezing water filtering device (7) is arranged on the side surface of the filter box (1).

2. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The filter box (1) comprises a box body (11), the top of the box body (11) is fixedly connected to a feed port (12), the feed port (12) is funnel-shaped, the side of the box body (11) is provided with an opening (13) connected to the squeeze water filter device (7), and the inner surface of the feed port (12) is provided with a ferrule (14).

3. An environmentally friendly sewage filtering device according to claim 2, characterized in that: The rotary scooping device (2) comprises a rotating shaft (21), both ends of which are fixedly connected to the box body (11), a filter screen (22) is fixedly connected to the side surface of the rotating shaft (21), a filter chamber (23) is fixedly provided inside the filter box (1), the bottom of the filter chamber (23) is connected to the opening (13), a scraper (24) is movably connected to the side wall of the filter chamber (23) via a spring, and a filtrate hole is fixedly connected to the side surface of the filter chamber (23), and the filtrate hole is connected to the filter box (1).

4. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The flocculation sedimentation device (3) comprises a dosing device (31) and a flocculation port (32); the dosing device (31) is arranged on the side surface of the filter box (1); the flocculation port (32) is located at the bottom of the filter box (1); a transmission pipe (33) is arranged at the bottom of the flocculation port (32); the transmission pipe (33) is fixedly connected to a discharge pipe (34) through a pump body; the output port of the discharge pipe (34) is located above the filter chamber (23).

5. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The dosing device (31) comprises a rotating cylinder (311), the rotating cylinder (311) being driven by a transmission motor (312), a medicine being arranged inside the rotating cylinder (311), a hole being arranged on a side surface of the rotating cylinder (311), a stirring rod (313) being fixedly connected to the side surface of the rotating cylinder (311), a dosing port (314) being fixedly connected to the top end of the rotating cylinder (311), the transmission motor (312) being fixedly connected to the bottom end of the filter box (1), the dosing port (314) being located at the top end of the filter box (1), and the rotating cylinder (311) being located inside the filter box (1).

6. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The transfer device (4) comprises a transfer pump (41), the input end of the transfer pump (41) is fixedly connected to a water inlet pipe (42), the inlet of the water inlet pipe (42) is located at the flocculation port (32), the input end of the transfer pump (41) is fixedly connected to a water outlet pipe (43), and the water outlet pipe (43) is located inside the rotary separation device (6).

7. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The surface treatment device (5) comprises an electric telescopic rod (51), the output end of the electric telescopic rod (51) being fixedly connected to a slider (52), an arc-shaped water suction pipe (53) being arranged inside the slider (52), the arc-shaped water suction pipe (53) being connected to a storage box (54) via a water suction pump, and the storage box (54) being located outside the filter box (1).

8. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The rotary separation device (6) comprises a drainage chamber (61), a side surface of the drainage chamber (61) is provided with a drainage port (62), the interior of the drainage chamber (61) is rotatably connected to a centrifugal chamber (63), the center of the centrifugal chamber (63) is fixedly connected to a connecting rod (64), one end of the connecting rod (64) is fixedly connected to a centrifugal motor (65), and the centrifugal motor (65) is fixedly connected to the upper surface of the filter box (1).

9. The environmentally friendly sewage filtering device according to claim 1, characterized in that: The extrusion water filtering device (7) comprises an extrusion chamber (71), a cylinder (72) is arranged at the bottom of the extrusion chamber (71), a pressure plate (73) is fixedly connected to the output end of the cylinder (72), a filter hole is arranged inside the pressure plate (73), the upper end of the extrusion chamber (71) is movably connected to a door body (74), and the bottom end of the extrusion chamber (71) is connected to the filter box (1).

10. An environmentally friendly sewage filtration method, characterized in that: The environmentally friendly sewage filtering device according to any one of claims 1 to 9 comprises the following steps: S1. Primary filtration: The generated sewage enters the device through the feed port (12) above the filter box (1), and the large particles and debris are filtered out by the rotating filter screen (22). During the rotation process, the subsequent sewage entering is not affected. The rotating filter screen (22) transfers the filtered material to the inside of the filter chamber (23) through the scraper (24); S2. Flocculation filtration: The sewage after the initial filtration falls into the filter box (1), and the flocculant inside is thrown out by the rotation of the dosing device (31), and the inside is stirred by the stirring rod (313). When the dosing is completed, the stirring inside is stopped synchronously; S3. Flocculation treatment: The stirring of the sewage is slowly stopped, and the sewage impurities are flocculated, and the flocculated sludge is transferred to the filter chamber (23) through the discharge pipe (34); S4. Compression treatment: The objects in the filter chamber (23) enter the extrusion chamber (71) through the opening (13), and the cylinder (72) drives the pressure plate (73) to move, and the impurities inside are squeezed and filtered. After that, the door (73) is opened, and the cylinder (72) continues to move to discharge the impurities; S5. Surface treatment: After the compression treatment is completed, the arc-shaped water suction pipe (53) is lifted and lowered to be located on the water surface, and the floating objects on the surface are sucked into the storage box (54) through the arc-shaped water suction pipe (53); S6. Final treatment: water is added to the centrifugal chamber (63) through the transfer pump (41), and the final sewage is filtered through the rotating centrifugal chamber to obtain final treated water, and the treated water is discharged through the drain port (62).

Images