Suspended matter settling separation equipment for sewage treatment

Abstract

The invention relates to the technical field of sewage treatment, in particular to suspended matter settling separation equipment for sewage treatment, which comprises a settling tank and further comprises a filter screen mounted in the settling tank through a lifting assembly; the water flow conveying assembly comprises an input end and an output end, the input end is installed at a designated position below the filter screen, the output end is installed at a designated position above the filter screen, and the filter screen drives the input end and the output end to move synchronously when moving; the first control valve is mounted in the sedimentation tank in a penetrating manner and is used for balancing the internal pressure of the sedimentation tank when being opened; the sediment output assembly is arranged at the bottom of the side wall of the sedimentation tank; according to the device, through the arrangement of the filter screen, sediment fluctuation caused by fluctuation of water flow can be reduced, and floating suspended matters can be blocked by the filter screen, so that the situation that the floating suspended matters are re-mixed into a water purification part to cause incomplete settling separation is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of sewage treatment, and particularly relates to a suspended matter sedimentation and separation device for sewage treatment. BACKGROUND

[0002] Suspended matter sedimentation and separation for sewage treatment refers to the process of separating suspended matter from sewage by gravity in the sewage treatment process, by taking advantage of the density difference between the suspended matter and water. The process is usually carried out in a sedimentation tank. After the sewage is left to stand, the suspended matter settles to the bottom of the tank due to gravity to form sludge, and the upper clear water is separated and discharged. This process can effectively remove solid particulate impurities in the sewage and reduce water turbidity, and is a commonly used physical treatment method in sewage treatment, which creates favorable conditions for subsequent treatment processes.

[0003] In the prior art, when separating suspended matter from sewage by using the sedimentation method, during the drainage process after the stratification is completed, the water flow is driven to flow during the drainage. When the water flows to the lower layer, the flow of the water flow can cause the settled suspended matter to re-mix into the upper clear liquid, so that a small amount of suspended liquid is still mixed in the discharged clear liquid, thereby affecting the separation effect. SUMMARY

[0004] The present application aims to solve the problems in the prior art and provides a suspended matter sedimentation and separation device for sewage treatment.

[0005] The present application provides a suspended matter sedimentation and separation device for sewage treatment, which comprises a sedimentation tank and further comprises:

[0006] A filter screen is installed in the interior of the sedimentation tank through a lifting assembly.

[0007] A water flow conveying assembly comprises an input end and an output end. The input end is installed at a specified position below the filter screen, and the output end is installed at a specified position above the filter screen. The filter screen moves synchronously with the input end and the output end.

[0008] A first control valve is installed through the interior of the sedimentation tank, and is used to balance the internal pressure of the sedimentation tank when it is opened.

[0009] A sediment output assembly is arranged at the bottom of the side wall of the sedimentation tank, and is used to output the sediment formed after the sedimentation is completed.

[0010] The sewage is transported to the interior of the sedimentation tank through the water flow conveying assembly, and the input end is located below the filter screen when being transported to the interior of the sedimentation tank, so that the sewage is located below the filter screen when being transported to the interior of the sedimentation tank. During the sewage transportation process, the sewage gradually accumulates inside the sedimentation tank. If part of the sewage passes through the filter screen during the sewage transportation process, the sewage that passes through the filter screen is filtered from bottom to top, and the water reaching the top of the filter screen is called the clean water portion after filtration;

[0011] After the sewage is filtered once, it is settled inside the sedimentation tank. After a period of sedimentation, the suspended matter settles downward and the upper layer becomes clear liquid. At this time, the filter screen is driven by the lifting component to move slowly downward, so that the filter screen slowly immerses in the upper clear liquid. At this time, the amount of suspended matter in the upper clear liquid is small, so that the upper clear liquid can smoothly pass through the filter screen and reach the top of the filter screen to become the clean water part. At this time, the suspended matter in the sewage can be reduced to cause the filter screen to be blocked when passing through the filter screen. As the filter screen moves downward, the settled suspended matter can be gradually separated from the clean water part. At this time, The output end of the water flow conveying component can output the clean water part. When the clean water part is outputting, even if the flow of water drives the water flow inside the sedimentation tank to fluctuate, due to the presence of the filter, on the one hand, the filter isolates the fluctuation of water flow, thereby helping to reduce the fluctuation of sediment caused by the fluctuation of water flow. On the other hand, due to the filtering effect of the filter, even if the fluctuation of water flow drives the fluctuation of sediment to cause a small amount of floating, the floating suspended matter will be blocked by the filter and will not enter the clean water part, thereby preventing the floating suspended matter from re-mixing into the clean water part and causing incomplete sedimentation and separation.

[0012] The sediment output component includes a sedimentation port and a sealing door. After sedimentation is completed, the sealing door is opened to output the sediment from the sedimentation port.

[0013] Preferably, the lifting assembly comprises:

[0014] A lifting frame is slidably installed inside the sedimentation tank, and the filter is installed in the middle of the lifting frame;

[0015] Four mounting frames are installed at the four corners of the top of the sedimentation tank;

[0016] Four first motors are respectively installed inside the four installation frames;

[0017] Four first screw rods are rotatably mounted inside the sedimentation tank, and the four first motors respectively drive the four first screw rods to rotate, and the first screw rods are respectively adapted to the four corner threads of the installation frame;

[0018] After the first motor is started, the output shaft drives the first screw connected thereto to rotate. After the first screw rotates, the lifting frame adapted to the thread thereof is driven to move vertically. After the lifting frame moves vertically, the filter is driven to move vertically for adjustment.

[0019] Preferably, the water flow delivery component includes:

[0020] A mounting frame, fixed to the top of one side of the lifting frame;

[0021] An output pipe, one end of which is fixed to the mounting frame and extends through the mounting frame to the top of the lifting frame, with a gap between one end of the output pipe and the lifting frame, and the other end of the output pipe being connected to the storage tank of the external device through a purified water delivery pump;

[0022] An inlet pipe, one end of which is fixed to the mounting frame, passes through the mounting holes provided on the mounting frame and the lifting frame, and extends to the bottom of the lifting frame, and the other end of which is connected to an external sewage tank through a sewage delivery pump;

[0023] A movable frame is fixed to the outer walls of the output pipe and the input pipe and is slidably mounted on the top of the sedimentation tank. The output pipe and the input pipe are located between the movable frame and the lifting frame. The portion is a hose.

[0024] A second screw rod is rotatably mounted on the top of the sedimentation tank through a mounting bracket, and the movable bracket is threadably adapted to the second screw rod;

[0025] a second motor fixed to the top of the sedimentation tank, the second motor driving the second screw to rotate via an output shaft, and the moving frame and the lifting frame moving synchronously;

[0026] When the filter screen moves vertically, the second motor is started synchronously. After the second motor is started, the output shaft drives the second screw connected thereto to rotate. After the second screw rotates, it drives the movable frame threadedly connected thereto to move. The movable frame drives the output pipe and the input pipe to move, thereby driving the output pipe, the input pipe and the filter screen to move synchronously. As a result, when the filter screen moves downward, the output pipe and the input pipe can complement each other in length. The output pipe is located below the filter screen, so that the input sewage is always located below the filter screen. The input pipe is located above the filter screen, so that only the clean water part located above the filter screen can be discharged, which is beneficial to improving the effect of sewage sedimentation and separation.

[0027] Preferably, it also includes:

[0028] A pressure sensor is fixed to the bottom of the lifting frame;

[0029] When the filter moves downward, the pressure sensor detects the pressure of the lower part of the filter. During the descent of the filter, it is blocked by suspended matter, which makes it difficult for the sewage below the filter to flow upward through the filter. At this time, when the filter moves downward, the pressure below the filter will increase, thereby prompting the staff that the filter is blocked. At this time, the downward movement of the filter is stopped, and the blockage is allowed to fall during the sedimentation process to eliminate the blockage of the filter. After sedimentation, the filter is driven downward again to separate the clean water part.

[0030] Preferably, it also includes:

[0031] Two groups of support platforms, two of which form a group, and the two groups of support platforms are symmetrically fixed at both ends of the bottom of the sedimentation tank;

[0032] Four partitions are fixed inside the four support platforms respectively, and the side walls of the support platforms located below the partitions are made of transparent material;

[0033] Four electric telescopic rods are respectively fixed between the bottom of the four support platforms and the bottom of the inner wall of the sedimentation tank;

[0034] Four telescopic sleeves are respectively sleeved on the outer rings of the four electric telescopic rods, and both ends are fixedly connected between the bottom of the support platform and the bottom of the inner wall of the sedimentation tank;

[0035] Two laser receivers are respectively fixed below the partition of one of the two groups of support platforms;

[0036] Two laser lamps are respectively fixed below the partition of the other support platform in the two groups of support platforms, and the laser receiver is used to receive the laser light emitted by the laser lamp;

[0037] The laser emitted by the laser lamp is received by the laser receiver. When the laser receiver receives the laser normally, it means that the sediment has not covered the lower end of the support platform. When the support platform is covered by the sediment, the laser receiver cannot receive the light. At this time, the electric telescopic rod is started to drive the support platform to move upward. The support platform moves upward to separate from the sediment, so that the filter is supported by the top of the support platform when it descends close to the sediment, which helps to avoid the filter moving down to the sediment position and causing the filter to be blocked.

[0038] Preferably, it also includes:

[0039] Two limit frames are fixed inside the lifting frame;

[0040] Two flexible rubber pads are fixed to opposite sides of the two limit frames, and the filter is located between the two flexible rubber pads;

[0041] a first impeller rotatably mounted on one end of the input pipe located inside the sedimentation tank;

[0042] a knocking wheel, rotatably mounted on the bottom of the lifting frame and coaxially connected to the first impeller, wherein the knocking wheel knocks the filter screen when rotating;

[0043] During the sewage input process, when water flows through the input pipe, it drives the first impeller to rotate, and the first impeller drives the knocking wheel to rotate. When the knocking wheel rotates, it knocks the filter screen. When the filter screen is knocked, it vibrates through the support of the flexible rubber pad, which is beneficial to avoid the filter screen from being blocked through the vibration of the filter screen, and is beneficial to avoid the filter screen from being blocked during the sewage input process.

[0044] Preferably, it also includes:

[0045] an air pump, fixed to the top of the sedimentation tank;

[0046] a first connecting pipe fixedly connected between the output end of the air pump and the top of the sedimentation tank;

[0047] When the filter is clogged, the air pump is started to deliver airflow to the inside of the sedimentation tank through the first connecting pipe. When the airflow enters the sedimentation tank, it flows downward from the top of the filter. The airflow passes through the filter from top to bottom, and the suspended matter clogged below the filter can be cleared.

[0048] Preferably, it also includes:

[0049] a curved pipe fixed to the top of the inner wall of the sedimentation tank, wherein the end of the curved pipe is connected to the first connecting pipe;

[0050] A plurality of first circular holes are formed through the bottom of the side wall of the curved tube;

[0051] The airflow enters the interior of the curved tube from the first connecting pipe and is then discharged from the first circular hole, so that the first circular hole guides the airflow to be output from various positions above the sedimentation tank, which is conducive to fully unblocking the filter screen.

[0052] Preferably, it also includes:

[0053] a buffer tank, fixed to the end of the sedimentation tank;

[0054] A second control valve is installed inside a connecting hole at the bottom of the buffer tank that connects to the sedimentation tank;

[0055] a third control valve, embedded in the top of the buffer tank;

[0056] a second connecting pipe fixedly connected between the first connecting pipe and the top of the first connecting pipe;

[0057] a fourth control valve installed inside the second connecting pipe;

[0058] a fifth control valve installed inside the end of the first connecting pipe connected to the sedimentation tank;

[0059] When the airflow enters the sedimentation tank for dredging, the third control valve and the second control valve are opened, so that when the airflow enters the sedimentation tank and causes the internal air pressure to increase, the increased air pressure pushes the sewage to flow into the buffer tank, thereby helping to avoid the situation where the internal air pressure of the sedimentation tank is too high and causes damage to the equipment. After the dredging is completed, the first control valve can be opened to allow the sewage to flow back to the sedimentation tank for sedimentation.

[0060] The second connecting pipe is connected to the buffer tank. By closing the fifth control valve and the second control valve and opening the fourth control valve, the air flow can be transported to the inside of the buffer tank to push all the sewage inside the buffer tank back to the inside of the sedimentation tank, and then the third control valve is closed.

[0061] Preferably, it also includes:

[0062] an upper hopper fixedly connected to the top of the input pipe;

[0063] Two baffles are fixed inside the upper hopper;

[0064] A rotating platform, rotatably mounted between the two baffles;

[0065] A feeding port is provided through the top of the rotating table;

[0066] A second circular hole is formed through the top of the baffle;

[0067] A third circular hole is formed through the top of the baffle below, and the second circular hole and the third circular hole are arranged alternately;

[0068] A second impeller is rotatably mounted inside the input pipe, and a rotating shaft passes through the baffle below and is connected to the axis of the rotating platform;

[0069] When water flows through the input pipe, it drives the second impeller to rotate, the second impeller drives the turntable to rotate, and the rotation of the turntable drives the feeding port to rotate. In the process of the feeding port moving between the second circular hole and the third circular hole, it drives the material inside the feeding hopper into the inside of the input pipe, so that flocculant can be input when the water flows, which helps the sedimentation and separation of suspended matter.

[0070] Compared with the prior art, the present invention has the following beneficial effects:

[0071] Through the setting of the filter screen, the fluctuation of the precipitate caused by the fluctuation of the water flow is reduced, and the floating suspended matter is blocked by the filter screen, so that the floating suspended matter is prevented from mixing into the clean water part again, thereby avoiding the incomplete settlement separation. BRIEF DESCRIPTION OF DRAWINGS

[0072] Figure 1 It is the overall structure schematic diagram of the present application.

[0073] Figure 2 It is the overall structure schematic diagram of the present application. Figure 1 .

[0074] Figure 3 It is the overall structure schematic diagram of the present application. Figure 2 .

[0075] Figure 4 It is the overall structure schematic diagram of the present application. Figure 2 .

[0076] Figure 5 It is the overall structure schematic diagram of the present application. Figure 2 .

[0077] Figure 6 It is the overall structure schematic diagram of the present application. Figure 5 .

[0078] Figure 7 It is the overall structure schematic diagram of the present application. Figure 3 .

[0079] Figure 8 It is the overall structure schematic diagram of the present application. Figure 7 .

[0080] In the figure: 1. Sedimentation tank; 101. Filter screen; 2. Lifting frame; 201. Mounting frame; 202. First motor; 203. First screw; 3. Mounting frame; 301. Output pipe; 302. Input pipe; 303. Mounting hole; 304. Second motor; 305. Moving frame; 306. Second screw; 4. Pressure sensor; 5. Support platform; 501. Partition; 502. Electric telescopic rod; 503. Telescopic sleeve; 504. Laser receiver; 505. Laser light; 6. Tapping wheel; 601. First impeller; 602, limit frame; 603, flexible rubber pad; 7, air pump; 701, first connecting pipe; 702, first control valve; 8, curved pipe; 801, first circular hole; 9, buffer tank; 901, second control valve; 902, third control valve; 903, second connecting pipe; 904, fourth control valve; 905, fifth control valve; 10, turntable; 1001, baffle; 1002, loading port; 1003, second circular hole; 1004, second impeller; 1005, third circular hole; 1006, loading hopper. DETAILED DESCRIPTION

[0081] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0082] like Figures 1 to 8 The suspended solids sedimentation and separation equipment for sewage treatment shown includes a sedimentation tank 1 and further includes:

[0083] The filter screen 101 is installed inside the sedimentation tank 1 through a lifting assembly;

[0084] The water flow conveying component includes an input end and an output end. The input end is installed at a designated position below the filter 101, and the output end is installed at a designated position above the filter 101. When the filter 101 moves, the input end and the output end are driven to move synchronously.

[0085] The first control valve 702 is installed through the interior of the sedimentation tank 1 and is used to balance the internal pressure of the sedimentation tank 1 when it is opened;

[0086] The sedimentation output assembly is provided at the bottom of the side wall of the sedimentation tank 1 and is used to output the sediment formed after the sedimentation is completed;

[0087] In the prior art, when separating suspended solids from sewage by sedimentation, during the drainage process after stratification, the water flow is driven by the drainage. When draining to the lower layer, the flow of water causes the settled suspended solids to be re-mixed into the upper clear liquid, resulting in a small amount of suspended solids still being mixed in the discharged clear liquid, thereby affecting the separation effect.

[0088] This embodiment of the present invention can solve the above problems. The specific implementation method is as follows: the sewage is transported to the interior of the sedimentation tank 1 by the water flow transport component, and the input end is located below the filter 101 when being transported to the interior of the sedimentation tank 1, so that the sewage is located below the filter 101 when being transported to the interior of the sedimentation tank 1. During the sewage transportation process, the sewage gradually accumulates inside the sedimentation tank 1. If part of the sewage passes through the filter 101 during the sewage transportation process, the sewage passing through the filter 101 is filtered from bottom to top through the filter 101, and the water reaching the top of the filter 101 is called the filtered clean water portion;

[0089] After the sewage that has been filtered once is transported, the sewage is settled inside the sedimentation tank 1. After a period of sedimentation, the suspended matter settles downward and the upper layer becomes clear liquid. At this time, the filter screen 101 is driven to move slowly downward by the lifting component, so that the filter screen 101 is slowly immersed in the upper clear liquid. At this time, the amount of suspended matter in the upper clear liquid is small, so that the upper clear liquid can smoothly pass through the filter screen 101 and reach the top of the filter screen 101 to become the clean water part. At this time, the suspended matter in the sewage can be reduced to cause the filter screen 101 to be blocked when passing through the filter screen 101. As the filter screen 101 moves downward, the settled suspended matter can be gradually separated from the clean water part. At this time, the clean water part can be output through the output end of the water flow conveying component. When the clean water part is output, even if the flow of water drives the water flow inside the sedimentation tank 1 to fluctuate, due to the presence of the filter 101, on the one hand, the filter 101 isolates the fluctuation of water flow, thereby helping to reduce the fluctuation of sediment caused by the fluctuation of water flow. On the other hand, due to the filtering effect of the filter 101, even if the fluctuation of water flow drives the fluctuation of sediment to cause a small amount of floating, the floating suspended matter will be blocked by the filter 101 and will not enter the clean water part, thereby preventing the floating suspended matter from re-mixing into the clean water part and causing incomplete sedimentation and separation.

[0090] The sediment output component includes a sedimentation port and a sealing door. After sedimentation is completed, the sealing door is opened to output the sediment from the sedimentation port.

[0091] As an optional embodiment, the lifting assembly includes:

[0092] The lifting frame 2 is slidably installed inside the sedimentation tank 1, and the filter screen 101 is installed in the middle of the lifting frame 2;

[0093] Four mounting frames 201 are installed at the four corners of the top of the sedimentation tank 1;

[0094] Four first motors 202 are respectively installed inside the four installation frames 201;

[0095] Four first screw rods 203 are rotatably mounted inside the sedimentation tank 1. The four first motors 202 drive the four first screw rods 203 to rotate respectively. The first screw rods 203 are respectively adapted to the four corner threads of the mounting frame 201.

[0096] After the first motor 202 is started, the output shaft drives the first screw rod 203 connected thereto to rotate. After the first screw rod 203 rotates, it drives the lifting frame 2 threadedly adapted thereto to move vertically. After the lifting frame 2 moves vertically, it drives the filter screen 101 to move vertically for adjustment.

[0097] As an optional embodiment, the water flow delivery component includes:

[0098] The mounting frame 3 is fixed to the top of one side of the lifting frame 2;

[0099] The output pipe 301 has one end fixed to the mounting frame 3 and extends through the mounting frame 3 to the top of the lifting frame 2. A gap is left between one end of the output pipe 301 and the lifting frame 2, and the other end is connected to the storage tank of the external device through the purified water delivery pump;

[0100] An inlet pipe 302, one end of which is fixed to the mounting frame 3 and extends through a mounting hole 303 provided on the mounting frame 3 and the lifting frame 2 to the bottom of the lifting frame 2. The other end of the inlet pipe 302 is connected to an external sewage tank via a sewage pump.

[0101] The movable frame 305 is fixed to the outer wall of the output pipe 301 and the input pipe 302 and is slidably mounted on the top of the sedimentation tank 1. The portion of the output pipe 301 and the input pipe 302 between the movable frame 305 and the lifting frame 2 is a hose.

[0102] The second screw rod 306 is rotatably mounted on the top of the sedimentation tank 1 through the mounting bracket, and the movable bracket 305 is threadably adapted to the second screw rod 306;

[0103] The second motor 304 is fixed to the top of the sedimentation tank 1. The second motor 304 drives the second screw rod 306 to rotate through the output shaft, and the moving frame 305 moves synchronously with the lifting frame 2;

[0104] When the filter screen 101 moves vertically, the second motor 304 is started synchronously. After the second motor 304 is started, the second screw rod 306 connected thereto is driven to rotate through the output shaft. After the second screw rod 306 rotates, it drives the movable frame 305 threadedly connected thereto to move. The movable frame 305 drives the output pipe 301 and the input pipe 302 to move, thereby driving the output pipe 301, the input pipe 302 and the filter screen 101 to move synchronously, so that when the filter screen 101 moves downward, the output pipe 301 and the input pipe 302 can complement each other in length. The output pipe 301 is located below the filter screen 101, so that the input sewage is always located below the filter screen 101. The input pipe 302 is located above the filter screen 101, so that only the clean water part located above the filter screen 101 can be discharged, which is beneficial to improving the effect of sewage sedimentation and separation.

[0105] As an optional embodiment, it also includes:

[0106] The pressure sensor 4 is fixed to the bottom of the lifting frame 2;

[0107] When the filter 101 moves downward, the pressure sensor 4 detects the pressure of the lower part of the filter 101. When the filter 101 is descending, it is blocked by suspended matter, which will make it difficult for the sewage below the filter 101 to flow upward through the filter 101. At this time, when the filter 101 moves downward, the pressure at the position below the filter 101 will increase, thereby prompting the staff that the filter 101 is blocked. At this time, the downward movement of the filter 101 is stopped, and the blockage falls during the sedimentation process to eliminate the blockage of the filter 101, so that the filter 101 can be driven downward again after sedimentation to separate the clean water part.

[0108] As an optional embodiment, it also includes:

[0109] Two groups of support platforms 5, two support platforms 5 form a group, and the two groups of support platforms 5 are symmetrically fixed at both ends of the bottom of the sedimentation tank 1;

[0110] Four partitions 501 are fixed inside the four support platforms 5 respectively, and the side walls of the support platforms 5 located below the partitions 501 are made of transparent material;

[0111] Four electric telescopic rods 502 are respectively fixed between the bottom of the four support platforms 5 and the bottom of the inner wall of the sedimentation tank 1;

[0112] Four telescopic sleeves 503 are respectively mounted on the outer rings of the four electric telescopic rods 502, and both ends are fixedly connected between the bottom of the support platform 5 and the bottom of the inner wall of the sedimentation tank 1;

[0113] Two laser receivers 504 are fixed below the partition 501 of one of the two sets of support platforms 5;

[0114] Two laser lamps 505 are fixed respectively below the partition 501 of the other support platform 5 in the two sets of support platforms 5, and the laser receiver 504 is used to receive the laser light emitted by the laser lamp 505;

[0115] The laser emitted by the laser lamp 505 is received by the laser receiver 504. When the laser receiver 504 receives the laser normally, it indicates that the sediment has not covered the lower end of the support platform 5. When the support platform 5 is covered by the sediment, the laser receiver 504 cannot receive the light. At this time, the electric telescopic rod 502 is started to drive the support platform 5 to move upward. The support platform 5 moves upward to separate from the sediment, so that the filter screen 101 is supported by the top of the support platform 5 when it descends to close to the sediment, which helps to avoid the filter screen 101 from moving downward to the sediment position and causing blockage of the filter screen 101.

[0116] As an optional embodiment, it also includes:

[0117] Two limit frames 602 are fixed inside the lifting frame 2;

[0118] Two flexible rubber pads 603 are fixed to opposite sides of the two limiting frames 602, and the filter 101 is located between the two flexible rubber pads 603;

[0119] The first impeller 601 is rotatably mounted on one end of the inlet pipe 302 located inside the sedimentation tank 1;

[0120] The knocking wheel 6 is rotatably mounted on the bottom of the lifting frame 2 and is coaxially connected to the first impeller 601. When the knocking wheel 6 rotates, it knocks the filter screen 101;

[0121] During the sewage input process, when the water flows through the input pipe 302, it drives the first impeller 601 to rotate, and the first impeller 601 drives the knocking wheel 6 to rotate. When the knocking wheel 6 rotates, it knocks the filter screen 101. When the filter screen 101 is knocked, it vibrates through the support of the flexible rubber pad 603, which is beneficial to avoid the blockage of the filter screen 101 through the vibration of the filter screen 101, and is beneficial to avoid the blockage of the filter screen 101 during the sewage input process.

[0122] As an optional embodiment, it also includes:

[0123] An air pump 7 is fixed to the top of the sedimentation tank 1;

[0124] The first connecting pipe 701 is fixedly connected between the output end of the air pump 7 and the top of the sedimentation tank 1;

[0125] When the filter screen 101 is blocked, the air pump 7 is started to send air flow into the inside of the sedimentation tank 1 through the first connecting pipe 701, and the air flow flows from top to bottom of the filter screen 101 when entering the inside of the sedimentation tank 1, and the air flow passes through the filter screen 101 from top to bottom, so that the suspended matter blocked below the filter screen 101 can be dredged.

[0126] As an optional embodiment, further comprising:

[0127] The curved pipe 8 is fixed to the top of the inner wall of the sedimentation tank 1, and the end of the curved pipe 8 is communicated with the first connecting pipe 701;

[0128] The first circular hole 801 is provided through the bottom of the side wall of the curved pipe 8;

[0129] The air flow enters the inside of the curved pipe 8 from the first connecting pipe 701, and then is discharged from the first circular hole 801, so that the first circular hole 801 guides the air flow to be output from each position above the sedimentation tank 1, thereby facilitating sufficient dredging of the filter screen 101.

[0130] As an optional embodiment, further comprising:

[0131] The buffer tank 9 is fixed to the end of the sedimentation tank 1;

[0132] The second control valve 901 is installed in the communication hole of the bottom of the buffer tank 9 communicated with the sedimentation tank 1;

[0133] The third control valve 902 is embedded through the top of the buffer tank 9;

[0134] The second connecting pipe 903 is fixed and communicated between the first connecting pipe 701 and the top of the first connecting pipe 701;

[0135] The fourth control valve 904 is installed in the inside of the second connecting pipe 903;

[0136] The fifth control valve 905 is installed in the end of the first connecting pipe 701 communicated with the inside of the sedimentation tank 1;

[0137] When the air flow enters the inside of the sedimentation tank 1 for dredging, the third control valve 902 and the second control valve 901 are opened, so that when the air flow enters the inside of the sedimentation tank 1 to cause the internal air pressure to rise, the rising air pressure pushes the sewage to flow into the inside of the buffer tank 9, thereby facilitating avoiding the case that the equipment is damaged due to the internal air pressure of the sedimentation tank 1 being too high, and after dredging is completed, the first control valve 702 can be opened to make the sewage flow back to the inside of the sedimentation tank 1 for sedimentation;

[0138] The second connecting pipe 903 is connected to the buffer tank 9. By closing the fifth control valve 905 and the second control valve 901 and opening the fourth control valve 904, the air flow can be transported to the inside of the buffer tank 9 to push all the sewage inside the buffer tank 9 back to the inside of the sedimentation tank 1, and then the third control valve 902 is closed.

[0139] As an optional embodiment, it also includes:

[0140] The upper hopper 1006 is fixedly connected to the top of the input pipe 302;

[0141] Two baffles 1001 are fixed inside the upper hopper 1006;

[0142] The rotating platform 10 is rotatably mounted between the two baffles 1001;

[0143] The loading port 1002 is opened through the top of the rotating table 10;

[0144] A second circular hole 1003 is formed through the top of the upper baffle 1001;

[0145] A third circular hole 1005 is formed through the top of the lower baffle 1001. The second circular hole 1003 and the third circular hole 1005 are arranged alternately.

[0146] The second impeller 1004 is rotatably mounted inside the inlet pipe 302, and the rotating shaft passes through the lower baffle 1001 and is connected to the axis of the rotating platform 10;

[0147] When water flows through the input pipe 302, it drives the second impeller 1004 to rotate, the second impeller 1004 drives the rotating table 10 to rotate, and the rotation of the rotating table 10 drives the loading port 1002 to rotate. During the movement of the loading port 1002 between the second circular hole 1003 and the third circular hole 1005, it drives the material inside the loading hopper 1006 to enter the interior of the input pipe 302, so that flocculant can be input when the water flows, thereby facilitating the sedimentation and separation of suspended matter.

[0148] The working principle of the present invention is as follows: sewage is transported to the interior of the sedimentation tank 1 through the water flow transport component, and the input end is located below the filter 101 when being transported to the interior of the sedimentation tank 1, so that the sewage is located below the filter 101 when being transported to the interior of the sedimentation tank 1. During the sewage transportation process, the sewage gradually accumulates inside the sedimentation tank 1. If part of the sewage passes through the filter 101 during the sewage transportation process, the sewage passing through the filter 101 is filtered from bottom to top through the filter 101, and the water reaching the top of the filter 101 is called the filtered clean water portion;

[0149] After the sewage that has been filtered once is transported, the sewage is settled inside the sedimentation tank 1. After a period of sedimentation, the suspended matter settles downward and the upper layer becomes clear liquid. At this time, the filter screen 101 is driven to move slowly downward by the lifting component, so that the filter screen 101 is slowly immersed in the upper clear liquid. At this time, the amount of suspended matter in the upper clear liquid is small, so that the upper clear liquid can smoothly pass through the filter screen 101 and reach the top of the filter screen 101 to become the clean water part. At this time, the suspended matter in the sewage can be reduced to cause the filter screen 101 to be blocked when passing through the filter screen 101. As the filter screen 101 moves downward, the settled suspended matter can be gradually separated from the clean water part. At this time, the clean water part can be output through the output end of the water flow conveying component. When the clean water part is output, even if the flow of water drives the water flow inside the sedimentation tank 1 to fluctuate, due to the presence of the filter 101, on the one hand, the filter 101 isolates the fluctuation of water flow, thereby helping to reduce the fluctuation of sediment caused by the fluctuation of water flow. On the other hand, due to the filtering effect of the filter 101, even if the fluctuation of water flow drives the fluctuation of sediment to cause a small amount of floating, the floating suspended matter will be blocked by the filter 101 and will not enter the clean water part, thereby preventing the floating suspended matter from re-mixing into the clean water part and causing incomplete sedimentation and separation.

[0150] The sediment output component includes a sedimentation port and a sealing door. After sedimentation is completed, the sealing door is opened to output the sediment from the sedimentation port.

[0151] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the invention as claimed.

Claims

1. A suspended solids sedimentation and separation device for sewage treatment, comprising a sedimentation tank (1), characterized in that: Also includes: A filter screen (101) is installed inside the sedimentation tank (1) via a lifting assembly; A water flow conveying component, the water flow conveying component comprising an input end and an output end, the input end being mounted at a designated position below the filter (101), the output end being mounted at a designated position above the filter (101), and the filter (101) moving drives the input end and the output end to move synchronously; A first control valve (702) is installed through the interior of the sedimentation tank (1) and is used to balance the internal pressure of the sedimentation tank (1) when it is opened; The sedimentation output component is arranged at the bottom of the side wall of the sedimentation tank (1) and is used to output the sediment formed after the sedimentation is completed.

2. The suspended solids sedimentation separation equipment for sewage treatment according to claim 1, characterized in that: The lifting assembly comprises: A lifting frame (2) is slidably mounted inside the sedimentation tank (1), and the filter screen (101) is mounted in the middle of the lifting frame (2); Four mounting frames (201) are mounted at the four corners of the top of the sedimentation tank (1); Four first motors (202) are respectively installed inside the four installation frames (201); Four first screw rods (203) are all rotatably installed inside the sedimentation tank (1), and the four first motors (202) respectively drive the four first screw rods (203) to rotate, and the first screw rods (203) are respectively adapted to the four corner threads of the installation frame (201).

3. The suspended solids sedimentation separation equipment for sewage treatment according to claim 2, characterized in that: The water flow conveying component includes: A mounting frame (3) is fixed to the top of one side of the lifting frame (2); An output pipe (301), one end of which is fixed to the mounting frame (3), passes through the mounting frame (3) and extends to the top of the lifting frame (2), a gap being left between one end of the output pipe (301) and the lifting frame (2), and the other end of which is connected to an external storage tank via a purified water delivery pump; An inlet pipe (302) has one end fixed to the mounting frame (3), passes through the mounting frame (3) and the mounting hole (303) provided on the lifting frame (2), and extends to the bottom of the lifting frame (2), and the other end is connected to an external sewage tank through a sewage delivery pump; A movable frame (305) is fixed to the outer walls of the output pipe (301) and the input pipe (302), and is slidably mounted on the top of the sedimentation tank (1); the portion of the output pipe (301) and the input pipe (302) located between the movable frame (305) and the lifting frame (2) is a hose; A second screw rod (306) is rotatably mounted on the top of the sedimentation tank (1) via a mounting bracket, and the movable bracket (305) is threadably adapted to the second screw rod (306); The second motor (304) is fixed to the top of the sedimentation tank (1). The second motor (304) drives the second screw rod (306) to rotate through the output shaft, and the moving frame (305) moves synchronously with the lifting frame (2).

4. The suspended solids sedimentation separation equipment for sewage treatment according to claim 2, characterized in that: Also includes: A pressure sensor (4) is fixed to the bottom of the lifting frame (2).

5. The suspended solids sedimentation separation equipment for sewage treatment according to claim 4, characterized in that: Also includes: Two groups of support platforms (5), two of the support platforms (5) form a group, and the two groups of support platforms (5) are symmetrically fixed at both ends of the bottom of the sedimentation tank (1); Four partitions (501) are respectively fixed inside the four support platforms (5), and the side walls of the support platforms (5) located below the partitions (501) are made of transparent material; Four electric telescopic rods (502) are respectively fixed between the bottoms of the four support platforms (5) and the bottom of the inner wall of the sedimentation tank (1); Four telescopic sleeves (503) are respectively sleeved on the outer rings of the four electric telescopic rods (502), and both ends are fixedly connected between the bottom of the support platform (5) and the bottom of the inner wall of the sedimentation tank (1); Two laser receivers (504) are respectively fixed below the partition (501) of one of the support platforms (5) in the two groups of support platforms (5); Two laser lamps (505) are respectively fixed below the partition (501) of the other support platform (5) in the two groups of support platforms (5), and the laser receiver (504) is used to receive lasers emitted by the laser lamps (505).

6. The suspended solids sedimentation separation equipment for sewage treatment according to claim 3, characterized in that: Also includes: Two limiting frames (602) are both fixed inside the lifting frame (2); Two flexible rubber pads (603) are respectively fixed on opposite sides of the two limit frames (602), and the filter screen (101) is located between the two flexible rubber pads (603); A first impeller (601) is rotatably mounted on one end of the input pipe (302) located inside the sedimentation tank (1); A knocking wheel (6) is rotatably mounted on the bottom of the lifting frame (2) and is coaxially connected to the first impeller (601). The knocking wheel (6) knocks the filter screen (101) when rotating.

7. The suspended solids sedimentation separation equipment for sewage treatment according to claim 2, characterized in that: Also includes: An air pump (7) is fixed to the top of the sedimentation tank (1); The first connecting pipe (701) is fixedly connected between the output end of the air pump (7) and the top of the sedimentation tank (1).

8. The suspended solids sedimentation separation equipment for sewage treatment according to claim 7, characterized in that: Also includes: A curved pipe (8) is fixed to the top of the inner wall of the sedimentation tank (1), and the end of the curved pipe (8) is connected to the first connecting pipe (701); A plurality of first circular holes (801) are formed through the bottom of the side wall of the curved tube (8).

9. The suspended solids sedimentation separation equipment for sewage treatment according to claim 7, characterized in that: Also includes: A buffer tank (9) fixed to the end of the sedimentation tank (1); A second control valve (901) is installed inside a communication hole at the bottom of the buffer tank (9) that communicates with the sedimentation tank (1); A third control valve (902) is embedded in the top of the buffer tank (9); a second connecting pipe (903) fixedly connected between the first connecting pipe (701) and the top of the first connecting pipe (701); a fourth control valve (904), installed inside the second connecting pipe (903); The fifth control valve (905) is installed inside the end portion of the first connecting pipe (701) connected to the sedimentation tank (1).

10. The suspended solids sedimentation separation equipment for sewage treatment according to claim 3, characterized in that: Also includes: an upper hopper (1006) fixedly connected to the top of the input pipe (302); Two baffles (1001) are fixed inside the upper hopper (1006); A rotating platform (10) is rotatably mounted between the two baffles (1001); A loading port (1002) is provided through the top of the rotating table (10); A second circular hole (1003) is provided through the top of the baffle (1001); A third circular hole (1005) is provided through the top of the baffle (1001) below, and the second circular hole (1003) and the third circular hole (1005) are arranged in an alternating manner; The second impeller (1004) is rotatably mounted inside the input pipe (302), and the rotating shaft passes through the baffle (1001) below and is connected to the axis of the rotating platform (10).

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