Advanced treatment system for wastewater treatment in industrial park

Abstract

The utility model relates to an advanced treatment system for industrial park wastewater treatment, a flocculation sedimentation unit comprises a flocculation basin and an inclined plate sedimentation basin, a plurality of flocculation channels are arranged in the flocculation basin, a plurality of first baffles are arranged in the first flocculation channel, triangular folded plate parts A with opposite corner end directions are arranged on the first baffles, and a plurality of second baffles are arranged on the inclined plate sedimentation basin. A plurality of second baffles are arranged in the second flocculation channel, triangular folded plate parts B with the same angle end direction are arranged on the second baffles, a plurality of straight plate baffles are arranged in the third flocculation channel, through holes are formed in the straight plate baffles, a transition channel in the flocculation tank is communicated with an inclined plate sedimentation tank, and the inclined plate sedimentation tank is communicated with a water inlet channel on the input side of the sand setting filter tank. A water outlet channel is arranged on the outer side of the sand settling filter, a regulating channel is arranged on the input side of the first flocculation channel, and the regulating channel is provided with a plurality of pipelines which are correspondingly communicated with the first flocculation channel, the water inlet channel and the water outlet channel respectively. According to the utility model, incoming water can be controlled to cross the flocculent precipitation unit and the sand settling filter tank, and the reaction efficiency of a flocculation agent and the incoming water is improved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment, specifically a deep treatment system for industrial park wastewater treatment. Background Technology

[0002] With increasingly stringent environmental standards, advanced wastewater treatment processes have emerged in existing technologies. For example, patent CN108017196B discloses an acid precipitation, oxidation, flocculation, and sedimentation process for advanced wastewater treatment. This process involves first adding sulfuric acid to an equalization tank, then allowing water to flow into an oxidation tank for oxidation treatment. Next, a coagulant is added to the water in the reaction tank, which then flows into a flocculation tank. The flocculated water is then settled by inclined plate sedimentation and finally discharged through a sand filter. However, industrial park wastewater presents challenges such as complex water quality, high levels of pollutants, and large volumes. Furthermore, the pollution levels vary across different types of industrial park wastewater. Therefore, designing a suitable structure to meet the needs of advanced flocculation and sedimentation treatment of acidified industrial park wastewater is a crucial consideration. Utility Model Content

[0003] The purpose of this utility model is to provide a deep treatment system for industrial park wastewater treatment, which can control whether the incoming water passes through the flocculation sedimentation unit and the grit filter according to the actual situation, thereby improving the applicability and flexibility of this utility model. In addition, the flocculation sedimentation unit of this utility model improves the reaction efficiency between the reagent and the incoming water by combining multiple flocculation channels with baffles of different structures, while ensuring stable water output.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A deep treatment system for industrial park wastewater includes a grit chamber and multiple flocculation sedimentation units. Each flocculation sedimentation unit includes a flocculation tank and an inclined plate sedimentation tank. The flocculation tank contains a first flocculation channel, a second flocculation channel, a third flocculation channel, and a transition channel connected sequentially. The first flocculation channel contains multiple first baffles forming reciprocating flow channels, and adjacent first baffles have triangular folded plate portions A of the same height but with opposite corner directions. The second flocculation channel contains multiple second baffles forming reciprocating flow channels, and adjacent second baffles have portions A of the same height but opposite corner directions. The triangular folded plate section B, which has the same angle and direction, is provided with multiple straight baffles forming an up-and-down reciprocating flow channel in the third flocculation channel. The straight baffles have through holes. The transition channel is connected to the inclined plate sedimentation tank. The output side of the inclined plate sedimentation tank is provided with a connecting channel that is connected to the inlet channel located on the input side of the grit filter. The outside of the grit filter is provided with an outlet channel. The input side of the first flocculation channel is provided with a regulating channel connected to the inlet pipe. The regulating channel is provided with a lift pipe connected to the first flocculation channel, a first bypass pipe connected to the inlet channel, and a second bypass pipe connected to the outlet channel.

[0006] The first flocculation channel, the second flocculation channel, the third flocculation channel, and the transition channel are arranged in parallel. The head end of the first flocculation channel is connected to the lifting pipe, and the tail end is connected to the head end of the second flocculation channel. The tail end of the second flocculation channel is connected to the head end of the third flocculation channel, and the tail end of the third flocculation channel is connected to the transition channel.

[0007] The transition channel is divided into an inlet chamber and an outlet chamber by a weir, and the height of the weir is lower than the height of the flocculation tank opening. The inlet chamber is connected to the third flocculation channel. A water-passing wall is provided between the outlet chamber and the inclined plate sedimentation tank. A water-passing hole is provided at the lower part of the water-passing wall to connect the outlet chamber and the inclined plate sedimentation tank. The bottom of the outlet chamber is a slope, and the lower end of the slope is located below the water-passing hole.

[0008] The bottom of the first flocculation channel, the bottom of the second flocculation channel, the bottom of the third flocculation channel, and the bottom of the water inlet chamber of the transition channel are all equipped with flocculation tank sludge hoppers and flocculation tank sludge discharge pipes.

[0009] The inclined plate sedimentation tank is provided with a sedimentation tank sludge hopper, a water distribution area, an inclined plate area and a water collection tank in sequence from bottom to top. The lower end of the sedimentation tank sludge hopper is connected to the sedimentation tank sludge discharge pipe located at the bottom of the inclined plate sedimentation tank. The water distribution area is connected to the transition channel. Multiple inclined plates are provided in the inclined plate area. The water collection tank is connected to the connecting channel.

[0010] The inclined plate sedimentation tank is equipped with a backwashing air pipe, which is located below the inclined plate area.

[0011] A control valve plate is provided between the connecting channel and the inlet channel.

[0012] The sedimentation filter tank is arranged from bottom to top as follows: sedimentation zone, filtration device, quartz sand packing zone, water distribution pipe and effluent trough. The water distribution pipe is connected to the inlet channel, and a connecting pipe is provided on the lower side of the water distribution pipe to connect to the filtration device. The filtration device has a filtered water outlet on the upper side and a sedimentation outlet on the lower side. The effluent trough is connected to the effluent channel.

[0013] The water distribution pipe is equipped with a water distribution pipe control valve to control its on / off state.

[0014] Each filtration device is provided with a filter baffle, and the filter baffle is located between the filtered water outlet and the sedimentation outlet.

[0015] The advantages and positive effects of this utility model are as follows:

[0016] 1. This utility model can control whether the incoming water passes through the flocculation sedimentation unit and the grit chamber according to the actual situation, thereby improving the applicability and flexibility of this utility model. When the first bypass pipe is open and the lift pipe and the second bypass pipe are closed, the incoming water in the regulating channel can bypass the flocculation sedimentation unit and directly enter the grit chamber. When the second bypass pipe is open and the lift pipe and the first bypass pipe are closed, the incoming water in the regulating channel can bypass the flocculation sedimentation unit and the grit chamber and directly enter the next process.

[0017] 2. The flocculation sedimentation unit of this utility model improves the reaction efficiency between the reagent and the incoming water by combining multiple flocculation channels with baffles of different structures, while ensuring stable effluent. The cross-section of the reciprocating flow channel formed by the first baffle in the first flocculation channel first decreases and then increases, then decreases again and then increases again, thus accelerating the water flow disturbance and improving the reaction efficiency between the reagent and the incoming water. The cross-section of the water passage formed by the second baffle in the second flocculation channel is equal, but the flow direction is oblique reciprocating. This flow pattern reduces the flow velocity fluctuation compared to the first flocculation channel but meets the reaction requirements. The cross-section of the water passage in the third flocculation channel is equal and the flow direction is vertical. At the same time, the through holes on the straight plate baffle allow a small amount of water to pass through, further reducing the water flow fluctuation. The transition channel ensures that the effluent flows smoothly into the inclined plate sedimentation tank.

[0018] 3. The grit chamber of this utility model can connect multiple flocculation and sedimentation units, thereby meeting the needs of large-volume water treatment. The connecting channels of each flocculation and sedimentation unit are connected to the inlet channel of the grit chamber, and a control valve plate is provided between the connecting channel and the inlet channel. This allows control over the number of flocculation and sedimentation units connected to the grit chamber, making it more flexible in use while meeting the needs of large-volume water treatment. Attached Figure Description

[0019] Figure 1 This is a top view of the present invention.

[0020] Figure 2 for Figure 1 Enlarged schematic diagram of the medium-sized flocculation and sedimentation unit.

[0021] Figure 3 for Figure 2 AA view in

[0022] Figure 4 for Figure 2 BB view in

[0023] Figure 5 for Figure 2 CC view in

[0024] Figure 6 for Figure 2 DD view in

[0025] Figure 7 for Figure 1 View II in the middle,

[0026] Figure 8 for Figure 7 Enlarged schematic diagram of a medium-grained sand filter.

[0027] Figure 9 for Figure 8 A top view of a medium-grained sand filter.

[0028] In this designation, 1 is the flocculation and sedimentation unit, 101 is the inlet pipe, 1011 is the regulating channel, 1012 is the lift pipe, 1013 is the first bypass pipe, 102 is the flocculation tank, 1021 is the first flocculation channel, 10211 is the first baffle, 10212 is the triangular folded plate section A, 1022 is the second flocculation channel, 10221 is the second baffle, 10222 is the triangular folded plate section B, 1023 is the third flocculation channel, 10231 is the straight baffle, 1024 is the transition channel, 10241 is the weir, 1025 is the flocculation tank sludge discharge pipe, 1026 is the flocculation tank sludge hopper, and 103 is the overflow wall. 1031 is a water passage hole; 104 is an inclined plate sedimentation tank; 1041 is an inclined plate area; 1042 is a water collection trough; 1043 is a water distribution area; 1044 is a sedimentation tank sludge discharge pipe; 1045 is a sedimentation tank sludge hopper; 1046 is a backwash air pipe; 105 is a connecting channel; 1051 is a control valve plate; 2 is a grit filter; 201 is an inlet channel; 202 is an outlet channel; 203 is a water distribution pipe; 2031 is a water distribution pipe control valve; 204 is a filtration device; 2041 is a filter outlet surface; 205 is an outlet trough; 206 is a quartz sand packing area; 207 is an anti-accumulation fixing pile; 208 is a sedimentation area. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings.

[0030] like Figures 1-9 As shown, this utility model includes a grit chamber 2 and multiple flocculation and sedimentation units 1, wherein, as Figures 2-6 As shown, the flocculation and sedimentation unit 1 includes a flocculation tank 102 and an inclined plate sedimentation tank 104. The flocculation tank 102 is internally provided with a first flocculation channel 1021, a second flocculation channel 1022, a third flocculation channel 1023, and a transition channel 1024 connected in sequence. Figure 3 As shown, the first flocculation channel 1021 is provided with a plurality of first baffles 10211 forming an up-and-down reciprocating flow channel, and adjacent first baffles 10211 are provided with triangular folded plate portions A10212 of the same height and opposite corner directions, as shown. Figure 4As shown, the second flocculation channel 1022 is provided with a plurality of second baffles 10221 forming an up-and-down reciprocating flow channel, and adjacent second baffles 10221 are provided with triangular folded plate portions B10222 of the same height and with the same corner direction, as shown. Figure 5 As shown, the third flocculation channel 1023 is provided with multiple straight baffles 10231 forming an up-and-down reciprocating flow channel, and the straight baffles 10231 are provided with through holes, such as... Figure 1 As shown, the transition channel 1024 is connected to the inclined plate sedimentation tank 104. The output side of the inclined plate sedimentation tank 104 is provided with a connecting channel 105, which connects to the inlet channel 201 located on the input side of the grit filter 2. The outer side of the grit filter 2 is provided with an outlet channel 202. Figure 7 As shown, the first flocculation channel 1021 has an regulating channel 1011 connected to the inlet pipe 101 on the input side. The regulating channel 1011 has a lift pipe 1012 connected to the first flocculation channel 1021, a first bypass pipe 1013 connected to the inlet channel 201, and a second bypass pipe connected to the outlet channel 202. The first bypass pipe 1013 and the second bypass pipe both pass through the bottom of the flocculation sedimentation unit 1.

[0031] In operation, this invention first allows the lift pipe 1012, the first bypass pipe 1013, and the second bypass pipe to be opened or closed as needed, thereby enabling bypassing of the flocculation sedimentation unit 1 and the grit chamber 2. When the first bypass pipe 1013 is open and the lift pipe 1012 and the second bypass pipe are closed, the water in the regulating channel 1011 can bypass the flocculation sedimentation unit 1 and directly enter the grit chamber 2. When the second bypass pipe is open and the lift pipe 1012 and the first bypass pipe 1013 are closed, the water in the regulating channel 1011 can bypass the flocculation sedimentation unit 1 and the grit chamber 2 and directly enter the next process through the effluent channel 202. This invention takes into account the different levels of wastewater pollution in different types of industrial parks, and through the above adjustments, it can meet the treatment needs of wastewater from different types of parks, making it more flexible in use.

[0032] Secondly, this utility model greatly improves the flocculation treatment effect through structural changes, thereby meeting the treatment needs of industrial parks with large amounts of wastewater and pollutants. In the first flocculation channel 1021, the cross-section of the reciprocating flow channel formed by the first baffle 10211 first decreases and then increases, then decreases and then increases again, thus accelerating the water flow disturbance and improving the reaction efficiency between the reagent and the incoming water. In the second flocculation channel 1022, the cross-section of the water passage formed by the second baffle 10221 is equal, but the flow direction is oblique reciprocating. Compared with the first flocculation channel 1021, this flow pattern reduces the flow velocity fluctuation but meets the reaction requirements. In the third flocculation channel 1023, the cross-section of the water passage is equal and the flow direction is vertical. At the same time, the through holes on the straight plate baffle 10231 allow a small amount of water to pass through, further reducing the water flow fluctuation. Finally, the flocculated water flows smoothly into the inclined plate sedimentation tank 104 after passing through the transition channel 1024.

[0033] like Figure 2 As shown, in this embodiment, the first flocculation channel 1021, the second flocculation channel 1022, the third flocculation channel 1023, and the transition channel 1024 are arranged in parallel. The head end of the first flocculation channel 1021 is connected to the riser pipe 1012, and the tail end is connected to the head end of the second flocculation channel 1022. The tail end of the second flocculation channel 1022 is connected to the head end of the third flocculation channel 1023, and the tail end of the third flocculation channel 1023 is connected to the transition channel 1024. This utility model, through the above structural design, can achieve reciprocating bending flow of water in the horizontal direction. Combined with the reciprocating bending flow of water in the vertical direction within each individual flocculation channel, the reaction efficiency between the reagent and the incoming water can be further improved.

[0034] like Figure 7 As shown, in this embodiment, the transition channel 1024 is divided into an inlet chamber and an outlet chamber by a weir 10241. The height of the weir 10241 is lower than the height of the opening of the flocculation tank 102. The inlet chamber is connected to the third flocculation channel 1023, and the water in the inlet chamber passes over the weir 10241 and enters the outlet chamber.

[0035] like Figure 1 and Figure 7 As shown, a water passage wall 103 is provided between the water outlet cavity and the inclined plate sedimentation tank 104, and a water passage hole 1031 connecting the water outlet cavity and the inclined plate sedimentation tank 104 is provided at the lower part of the water passage wall 103. In addition, the bottom of the water outlet cavity is a slope, and the lower end of the slope is located below the water passage hole 1031.

[0036] like Figures 3-5 and Figure 7As shown, the bottom of the first flocculation channel 1021, the bottom of the second flocculation channel 1022, the bottom of the third flocculation channel 1023, and the bottom of the inlet chamber of the transition channel 1024 are all provided with flocculation tank sludge hoppers 1026 and flocculation tank sludge discharge pipes 1025. The lower end of each flocculation tank sludge hopper 1026 is connected to the flocculation tank sludge discharge pipe 1025. The sediment in the inlet chamber of each flocculation channel and the transition channel 1024 falls into the flocculation tank sludge hopper 1026 and is discharged through the flocculation tank sludge discharge pipe 1025. Meanwhile, the water in the upper part of the inlet chamber of the transition channel 1024 flows into the outlet chamber through the weir 10241. The weir 10241 can block the sediment from flowing into the outlet chamber.

[0037] like Figures 6-7 As shown in this embodiment, the inclined plate sedimentation tank 104 is provided with a sedimentation tank sludge hopper 1045, a water distribution area 1043, an inclined plate area 1041, and a water collection trough 1042 from bottom to top. The lower end of the sedimentation tank sludge hopper 1045 is connected to the sedimentation tank sludge discharge pipe 1044 located at the bottom of the inclined plate sedimentation tank 104. The water distribution area 1043 is connected to the transition channel 1024. The inclined plate area 1041 is provided with a plurality of inclined plates arranged at equal intervals. Water enters the water distribution area 1043 from the transition channel 1024 and flows upward into the inclined plate area 1041. It flows upward at an angle along the gaps between adjacent inclined plates. The sludge and impurities in the water slide down along the inclined plates and finally fall into the sedimentation tank sludge hopper 1045. The water passing through the inclined plate area 1041 overflows into the water collection trough 1042 above. The water collection trough 1042 is connected to the connecting channel 105 located on the outside of the inclined plate sedimentation tank 104.

[0038] like Figure 6 As shown in this embodiment, the inclined plate sedimentation tank 104 is provided with a backwashing air pipe 1046, and the backwashing air pipe 1046 is located below the inclined plate area. It is used to periodically impact the sludge accumulated on the inclined plate to open the gap between adjacent inclined plates.

[0039] like Figure 7 As shown, in this embodiment, a control valve plate 1051 is provided between the connecting channel 105 and the inlet channel 201. Only when the control valve plate 1051 is opened can water in the connecting channel 105 flow into the inlet channel 201. The control valve plate 1051 is a technology known in the art and is a commercially available product.

[0040] like Figures 7-9As shown in this embodiment, the sedimentation filter tank 2 is provided with a sedimentation zone 208, a filtration device 204, a quartz sand packing zone 206, a water distribution pipe 203, and an outlet tank 205 from bottom to top. The water distribution pipe 203 is connected to the inlet channel 201, and a connecting pipe is provided on the lower side of the water distribution pipe 203 to connect to the filtration device 204. The filtration device 204 has a filter outlet surface 2041 on the upper side and a sedimentation outlet on the lower side. The water in the water distribution pipe 203 enters the filtration device 204 through the connecting pipe, and the filtered water rises from the filter outlet surface 2041 and enters the quartz sand packing zone 205. In the quartz sand packing zone 206, water flows from bottom to top through the quartz sand packing zone 206, and suspended solids in the water are intercepted by the quartz sand packing. Clean water overflows into the upper outlet trough 205, which is connected to the outlet channel 202. The dirt filtered out by the filter device 204 falls into the sedimentation zone 208 from the lower sedimentation outlet. Filter baffles are provided between each filter device 204, and the filter baffles are located between the filtered water outlet surface 2041 and the sedimentation outlet to prevent dirt in the sedimentation zone 208 from rising into the packing zone. The filter device 204 is a well-known technology in the art and is a commercially available product. In this embodiment, the manufacturer of the filter device 204 is Shenyang Daliao Environmental Machinery Equipment Co., Ltd.

[0041] like Figure 7 As shown, in this embodiment, the water distribution pipe 203 is equipped with a water distribution pipe control valve 2031 to control the on / off state, and the water distribution pipe control valve 2031 can further block the connection between the non-working flocculation sedimentation unit 1 and the grit filter tank 2.

[0042] like Figures 8-9 As shown, in this embodiment, the filter device 204 is surrounded by cone-shaped anti-accumulation fixing piles 207 to prevent the filler from accumulating.

[0043] The working principle of this utility model is as follows:

[0044] When this utility model is in operation, incoming water enters the regulating channel 1011 through the inlet pipe 101, and then the equipment system controls the direction of water flow according to actual needs, including:

[0045] First, the water in the regulating channel 1011 enters the first flocculation channel 1021 of the flocculation tank 102 through the lift pipe 1012, and is discharged after being treated in sequence through the flocculation tank 102, the inclined plate sedimentation tank 104 and the grit filter 2. Furthermore, this utility model can set up multiple flocculation sedimentation units 1 on the input side of the grit filter 2, which can meet the large-volume water treatment requirements of industrial park wastewater.

[0046] The cross-section of the reciprocating flow channel formed by the first baffle 10211 in the first flocculation channel 1021 decreases and then increases, then decreases again and then increases again, thus accelerating the water flow disturbance and improving the reaction efficiency between the reagent and the incoming water. The cross-section of the water passage formed by the second baffle 10221 in the second flocculation channel 1022 is equal, but the flow direction is oblique reciprocating. This flow pattern reduces the velocity fluctuation compared to the first flocculation channel 1021 but still meets the reaction requirements. The cross-section of the water passage in the third flocculation channel 1023 is equal and the flow direction is vertical. Simultaneously, the through holes on the straight baffle 10231 allow a small portion of the water to pass through. The water flow intersperses and reduces the fluctuation of the water flow. Finally, the flocculated water flows smoothly into the water distribution area 1043 of the inclined plate sedimentation tank 104 after passing through the transition channel 1024. The water in the water distribution area 1043 flows upward into the inclined plate area 1041 of the inclined plate sedimentation tank 104 and flows upward along the gap between adjacent inclined plates. The sludge and impurities in the water slide down along the inclined plates and finally fall into the sedimentation tank sludge hopper 1045 at the bottom of the inclined plate sedimentation tank 104. The water passing through the inclined plate area 1041 overflows into the water collection tank 1042 above and flows into the connecting channel 105 outside the inclined plate sedimentation tank 104.

[0047] like Figure 1 As shown, the connecting channels 105 of each flocculation sedimentation unit 1 are all connected to the inlet channel 201 of the grit chamber 2, and as... Figure 7 As shown, a control valve plate 1051 is provided between the connecting channel 105 and the inlet channel 201, which can control the number of flocculation sedimentation units 1 connected to the grit filter tank 2, so as to meet the needs of large water volume treatment and make the use more flexible.

[0048] Water in the inlet channel 201 enters the filter device 204 through the water distribution pipe 203 inside the sedimentation filter tank 2. The filtered water rises from the filter outlet surface 2041 of the filter device 204 and enters the quartz sand packing area 206. The water flows from bottom to top through the quartz sand packing area 206, and the suspended solids in the water are intercepted by the quartz sand packing. The clean water overflows into the upper outlet trough 205. The outlet trough 205 is connected to the outlet channel 202, while the dirt filtered out in the filter device 204 falls into the sedimentation area 208 from the lower sedimentation outlet.

[0049] 2. If the pollution level of industrial park wastewater is relatively small due to factors such as the type of enterprise, this utility model can bypass the flocculation and sedimentation unit 1. Specifically, the first bypass pipe 1013 is opened, while the riser pipe 1012 and the second bypass pipe are closed. At this time, the water in the regulating channel 1011 can bypass the flocculation and sedimentation unit 1 and directly enter the grit filter tank 2.

[0050] Third, if the pollution level of the industrial park wastewater is further reduced, this utility model can bypass the flocculation sedimentation unit 1 and the grit filter 2. Specifically, the second bypass pipe is opened, and the riser pipe 1012 and the first bypass pipe 1013 are closed. The water in the regulating channel 1011 can bypass the flocculation sedimentation unit 1 and the grit filter 2 and directly enter the next process through the effluent channel 202.

Claims

1. A deep treatment system for industrial park wastewater treatment, characterized in that: The sand filter (2) and a plurality of flocculation and sedimentation units (1) are included, wherein the flocculation and sedimentation unit (1) comprises a flocculation tank (102) and an inclined plate sedimentation tank (104), the flocculation tank (102) is internally provided with a first flocculation channel (1021), a second flocculation channel (1022), a third flocculation channel (1023) and a transition channel (1024) which are sequentially communicated, a plurality of first baffles (10211) which form up-and-down reciprocating flow channels are arranged in the first flocculation channel (1021), and a triangular baffle part A (10212) which has the same height and opposite angular end directions is arranged on adjacent two first baffles (10211), a plurality of second baffles (10221) which form up-and-down reciprocating flow channels are arranged in the second flocculation channel (1022), and a triangular baffle part B (10222) which has the same height and same angular end directions is arranged on adjacent two second baffles (10221), a plurality of straight baffle plates (10231) which form up-and-down reciprocating flow channels are arranged in the third flocculation channel (1023), and a through hole is arranged on the straight baffle plate (10231), the transition channel (1024) is communicated with the inclined plate sedimentation tank (104), the output side of the inclined plate sedimentation tank (104) is provided with a connecting channel (105) which is communicated with a water inlet channel (201) arranged at the input side of the sand filter (2), the outer side of the sand filter (2) is provided with a water outlet channel (202), the input side of the first flocculation channel (1021) is provided with an adjusting channel (1011) which is connected with a water inlet pipe (101), and the adjusting channel (1011) is provided with a lifting pipe (1012) which is communicated with the first flocculation channel (1021), a first bypass pipe (1013) which is communicated with the water inlet channel (201), and a second bypass pipe which is communicated with the water outlet channel (202).

2. The advanced treatment system for industrial park wastewater treatment according to claim 1, characterized in that: The first flocculation channel (1021), the second flocculation channel (1022), the third flocculation channel (1023) and the transition channel (1024) are arranged in parallel, the head end of the first flocculation channel (1021) is connected with the lifting pipe (1012), the tail end is communicated with the head end of the second flocculation channel (1022), the tail end of the second flocculation channel (1022) is communicated with the head end of the third flocculation channel (1023), and the tail end of the third flocculation channel (1023) is communicated with the transition channel (1024).

3. The advanced treatment system for industrial park wastewater treatment according to claim 1, characterized in that: The transition channel (1024) is divided into a water inlet cavity and a water outlet cavity by a water passing weir (10241), the height of the water passing weir (10241) is lower than the height of the pool opening of the flocculation tank (102), the water inlet cavity is communicated with the third flocculation channel (1023), a water passing wall (103) is arranged between the water outlet cavity and the inclined plate sedimentation tank (104), the lower part of the water passing wall (103) is provided with a water passing hole (1031) which communicates the water outlet cavity and the inclined plate sedimentation tank (104), the bottom of the water outlet cavity is a slope, and the lower end of the slope is located on the lower side of the water passing hole (1031).

4. The advanced treatment system for industrial park wastewater treatment according to claim 3, characterized in that: The bottom of the first flocculation channel (1021), the bottom of the second flocculation channel (1022), the bottom of the third flocculation channel (1023), and the bottom of the water inlet cavity of the transition channel (1024) are each provided with a flocculation tank hopper (1026) and a flocculation tank sludge discharge pipe (1025).

5. The advanced treatment system for industrial park wastewater treatment according to claim 1, characterized in that: The inside of the inclined plate sedimentation tank (104) is sequentially provided from bottom to top with a sedimentation tank hopper (1045), a water distribution area (1043), an inclined plate area (1041), and a water collecting tank (1042), wherein the lower end of the sedimentation tank hopper (1045) is in communication with a sedimentation tank sludge discharge pipe (1044) provided at the bottom of the inclined plate sedimentation tank (104), the water distribution area (1043) is in communication with the transition channel (1024), the inclined plate area (1041) is provided with a plurality of inclined plates, and the water collecting tank (1042) is in communication with the connecting channel (105).

6. The advanced treatment system for industrial park wastewater treatment according to claim 5, characterized in that: The inclined plate sedimentation tank (104) is provided with a backwashing gas pipe (1046) below the inclined plate area.

7. The advanced treatment system for industrial park wastewater treatment according to claim 1, characterized in that: The connecting channel (105) and the water inlet channel (201) are provided with a control valve plate (1051).

8. The advanced treatment system for industrial park wastewater treatment according to claim 1, characterized in that: The inside of the sand filter tank (2) is sequentially provided from bottom to top with a sedimentation area (208), a filter device (204), a quartz sand filling area (206), a water distribution pipe (203), and a water outlet tank (205), wherein the water distribution pipe (203) is in communication with the water inlet channel (201), a communication pipe is provided on the lower side of the water distribution pipe (203) and connected with the filter device (204), the upper side of the filter device (204) is provided with a filtered water outlet surface (2041), and the lower side is provided with a sedimentation outlet, and the water outlet tank (205) is in communication with the water outlet channel (202).

9. The advanced treatment system for industrial park wastewater treatment according to claim 8, characterized in that: The water distribution pipe (203) is provided with a water distribution pipe control valve (2031) for controlling the on-off.

10. The advanced treatment system for industrial park wastewater treatment according to claim 8, characterized in that: The filter devices (204) are provided with filter baffles between them, and the filter baffles are provided between the filtered water outlet surface (2041) and the sedimentation outlet.

Images