Coagulation agent preparation integrated device

Abstract

The utility model discloses a coagulation agent preparation integrated device which comprises a PAC storage tank, a PAM storage tank and a wastewater coagulative precipitation tank, a feeding device, a dosing device and a control box are respectively arranged above the PAC storage tank and the PAM storage tank, and the interiors of the PAC storage tank and the PAM storage tank are respectively connected with the feeding device and the dosing device; the dosing device comprises a dosing pipe, the PAC storage tank and the PAM storage tank are connected with the wastewater coagulative precipitation tank through the dosing pipe, a turbidity detection device is arranged on the wastewater coagulative precipitation tank, and a sludge discharge assembly is arranged at the bottom of the wastewater coagulative precipitation tank; the scheme has the characteristics of accurate dosage, simplicity in operation, high efficiency and real-time response to water quality change.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sewage treatment, especially a coagulant preparation integrated device. BACKGROUND

[0002] In water treatment, sewage treatment and many industrial production processes, the accurate solvent ratio of polyacrylamide (PAM) and polyaluminum chloride (PAC), and the accurate control of the dosing amount of PAM and PAC are crucial for improving the treatment effect, reducing the cost and ensuring the process stability. The traditional manual proportioning and dosing method often has problems such as inaccurate dosing amount, complicated operation, low efficiency and difficulty in real-time response to water quality changes, therefore, there is an urgent need to provide a coagulant preparation integrated device to solve the above problems. SUMMARY

[0003] To achieve the above-mentioned purpose, the inventors provide a coagulant preparation integrated device, which comprises:

[0004] a PAC storage tank, a PAM storage tank and a wastewater coagulation and sedimentation tank;

[0005] The PAC storage tank and the PAM storage tank are respectively provided with a feeding device, a dosing device and a control box above, and the PAC storage tank and the PAM storage tank are respectively connected with the feeding device and the dosing device inside.

[0006] The dosing device comprises a dosing pipe, the PAC storage tank and the PAM storage tank are connected with the wastewater coagulation and sedimentation tank through the dosing pipe, the wastewater coagulation and sedimentation tank is provided with a turbidity detection device above, and the wastewater coagulation and sedimentation tank is provided with a sludge discharge assembly at the bottom.

[0007] As a preferred structure of the utility model, the PAC storage tank and the PAM storage tank are provided with a liquid preparation area inside, the liquid preparation area is provided with a prefabricated mixing area, a uniform mixing and curing area and a solution storage area, and baffles are arranged between the two connected areas; the liquid preparation area is connected with the feeding device and the dosing device.

[0008] As a preferred structure of the utility model, the feeding device comprises a solid feeding assembly and a water inlet assembly, and the solid feeding assembly and the water inlet assembly are both connected with the prefabricated mixing area.

[0009] The solid feeding assembly comprises a dry material box, a bin vibrator, a weighing device, a dosing speed reducer and a rapid dissolving device, the bin vibrator and the weighing device are arranged inside the dry material box, the dosing speed reducer is arranged below the dry material box, the dry material box further comprises a discharge port, and the rapid dissolving device is connected with the discharge port.

[0010] As a preferred structure of the utility model, the water inlet assembly comprises a water inlet pipe, a pressure gauge, a rotor flowmeter, a water inlet electromagnetic valve, an electromagnetic flowmeter and a water inlet manual valve.

[0011] As a preferred structure of the utility model, the PAC storage tank and PAM storage tank bottom are equipped with pollution discharge assembly, the pollution discharge assembly includes pollution discharge pipe and overflow pipe, the overflow pipe is connected with prefabricated mixing area, even curing area and solution storage area, the pollution discharge pipe is connected with overflow pipe.

[0012] As a preferred structure of the utility model, the dosing device further includes drain pipe and metering pump, one end of the drain pipe is connected with the solution storage area, the other end of the drain pipe is connected with dosing pipe, the metering pump is arranged in the middle part of the dosing pipe.

[0013] As a preferred structure of the utility model, the PAC storage tank is polypropylene material, the PAM storage tank is stainless steel material.

[0014] As a preferred structure of the utility model, the wastewater coagulation sedimentation tank includes water inlet area, clear water area and water outlet area, the water inlet area is connected with clear water area, the clear water area is connected with water outlet area, the dosing pipe is connected with the water inlet area, the clear water area is provided with inclined plate and / or inclined pipe, the sludge discharge assembly is connected with water inlet area, clear water area and water outlet area, the turbidity detection device is arranged above the water outlet area.

[0015] As a preferred structure of the utility model, the turbidity detection device further includes turbidity display, water inlet, water inlet regulating valve, filter, water outlet, water outlet regulating valve and backwash water pipe, the water inlet is connected with water inlet regulating valve, filter, turbidity display, water outlet, water outlet regulating valve and backwash water pipe in sequence.

[0016] As a preferred structure of the utility model, the PAC storage tank and PAM storage tank are internally equipped with solution preparation area, the solution preparation area is equipped with prefabricated mixing area, even curing area and solution storage area, the prefabricated mixing area, even curing area, solution storage area and / or water inlet area of the wastewater coagulation sedimentation tank are provided with stirring device.

[0017] Differing from prior art, the above technical scheme has the beneficial effects of:

[0018] (1) the coagulant preparation integrated device, before use, first, the outside water is introduced into the prefabricated mixing area through the water inlet assembly, at the same time, the solid feeding device puts the solid coagulant into the prefabricated mixing area, the dosage is accurately controlled by the weighing device, and the water quality is controlled by the electromagnetic flow meter on the water inlet pipe to carry out proportioning, the coagulant is fully dissolved in the prefabricated mixing area, after dissolution, it is overflowed to the uniform mixing and curing area, after full curing in the uniform mixing and curing area, it is overflowed to the solution storage area, and finally the coagulant in the storage area enters the water inlet area of the wastewater coagulation sedimentation tank through the coagulant adding device, mixes with sewage added into the wastewater coagulation sedimentation tank, the sewage moves from bottom to top, and flows into the clean water area below the partition plate, the flocculated flocculating material gradually sinks to the bottom of the tank by gravity, the wastewater coagulation sedimentation tank is provided with an inclined plate for guiding the sewage to flow along one side, so that the residence time is increased, and particles are more easily precipitated, the water in the clean water area is overflowed from bottom to top to the water outlet area, and finally flows to the next process through the water outlet pipe. According to the turbidity detection device above the water outlet area, the water quality after water treatment is detected in real time, the coagulant dosage is adjusted through the feedback of the turbidity detection device, the coagulant dosage is more accurate, and therefore the best water treatment effect is achieved.

[0019] (2) the coagulant preparation integrated device, the coagulant dosage can be adjusted according to the detection turbidity result feedback to increase or decrease the frequency of the metering pump, if the turbidity exceeds the upper limit, the frequency of the metering pump is increased, and if the turbidity is lower than the lower limit, the frequency is decreased, so that the operation is simple.

[0020] (3) the coagulant preparation integrated device, when sewage is treated, PAM solvent can be added preferentially, if the detection turbidity is higher than the upper limit, the frequency of the PAM metering pump is increased, but the sewage treatment effect cannot be achieved, then the PAC metering pump is started to add PAC solvent, so that the sewage is further treated, and the solvent concentration can be adjusted to reduce the waste of coagulant and more efficiently treat the sewage. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Structure diagram of the coagulant preparation integrated device according to the embodiment Figure 1 ;

[0022] Figure 2 Structure diagram of the coagulant preparation integrated device according to the embodiment Figure 2 ;

[0023] Figure 3 Structure diagram of the water inlet assembly according to the embodiment

[0024] Figure 4 Schematic view of the liquid preparation area according to the embodiment

[0025] Figure 5 Schematic view of the wastewater coagulation sedimentation tank according to the embodiment

[0026] Figure 6 The turbidity detection device structure schematic diagram is described for the specific embodiment.

[0027] Reference signs:

[0028] 1, PAC storage tank; 2, PAM storage tank; 3, liquid preparation area; 301, pre-mixing area; 302, uniform mixing and curing area; 303, solution storage area; 304, baffle; 4, feeding device; 401, solid feeding assembly; 4011, dry material box; 4012, bin vibrator; 4013, weigher; 4014, medicine feeding reducer; 4015, instant dissolver; 402, water inlet assembly; 4021, water inlet pipe; 4022, pressure gauge; 4023, rotor flowmeter; 4024, water inlet electromagnetic valve; 4025, electromagnetic flowmeter; 4026, water inlet manual valve; 5, medicine feeding device; 501, medicine feeding pipe; 502, metering pump; 6, sewage discharge assembly; 601, sewage discharge pipe; 602, overflow pipe; 7, cooling water assembly; 701, cooling water inlet; 702, cooling water outlet; 8, wastewater coagulation and sedimentation tank; 801, water inlet area; 802, clean water area; 803, water outlet area; 8031, water outlet pipe; 804, inclined plate; 805, sewage inlet pipe; 806, sludge discharge assembly; 8061, sludge discharge pipe; 807, turbidity detection device; 8071, turbidity display; 8072, water inlet; 8073, water inlet regulating valve; 8074, filter; 8075, water outlet; 8076, water outlet regulating valve; 8077, backwash water pipe; 9, stirring device; 901, stirring motor; 902, stirring rod; 903, impeller; 10, pressure liquid level meter; 11, control box. Specific embodiment

[0029] In order to describe the technical content, structural features, purposes and effects of the technical scheme in detail, the following will be described in detail in combination with specific embodiments and the accompanying drawings.

[0030] As Figure 1As shown, the embodiment provides a coagulant preparation integrated device, comprising: a PAC storage tank 1, a PAM storage tank 2 and a wastewater coagulation sedimentation tank 8; the PAC storage tank 1 is respectively provided with a feeding device 4, a dosing device 5 and a control box 11 above, and the PAC storage tank 1 is respectively connected with the feeding device 4 and the dosing device 5; the PAM storage tank 2 is respectively provided with a feeding device 4, a dosing device 5 and a control box 11 above, and the PAM storage tank 2 is respectively connected with the feeding device 4 and the dosing device 5; the dosing device 5 comprises a dosing pipe 501, and the PAC storage tank 1 and the PAM storage tank 2 are connected with the wastewater coagulation sedimentation tank 8 through the dosing pipe 501, the wastewater coagulation sedimentation tank 8 is provided with a turbidity detection device 807, and the wastewater coagulation sedimentation tank 8 is provided with a sludge discharge assembly 806 at the bottom. Compared with the traditional dosing device, the equipment provided by the embodiment can accurately adjust the configuration concentration through the feeding device 4, so that the reagent always remains within the preset concentration range, in addition, the dosing amount of the reagent can be adjusted in real time according to the turbidity detection device 807 above the wastewater coagulation sedimentation tank 8 according to the water quality after water treatment, and the equipment operation can be controlled through the control box 11.

[0031] As Figures 2-4As shown, in the present embodiment, the PAC storage tank 1 and the PAM storage tank 2 are internally provided with a liquid preparation area 3, the liquid preparation area 3 is provided with a prefabricated mixing area 301, a uniform curing area 302 and a solution storage area 303, baffles 304 are arranged between the two adjacent areas to separate the two adjacent areas, and overflow spaces for connecting the two adjacent areas are arranged on the baffles 304 between the two adjacent areas; the liquid preparation area 3 is communicated with a feeding device 4 and a dosing device 5. The feeding device 4 comprises a solid feeding assembly 401 and a water feeding assembly 402, both of which are communicated with the prefabricated mixing area 301; the solid feeding assembly 401 comprises a dry powder box 4011, a bin vibrator 4012, a weigher 4013, a dosing speed reducer 4014 and a quick dissolver 4015, the bin vibrator 4012 and the weigher 4013 are arranged inside the dry powder box 4011, the dosing speed reducer 4014 is arranged below the dry powder box 4011, the dry powder box 4011 further comprises a discharge port, the quick dissolver 4015 is connected with the discharge port, and the discharge port is communicated with the prefabricated mixing area 301. Specifically, the bin vibrator 4012 can adopt a vibrator, an eccentric vibrator is arranged inside the bin vibrator 4012, and high-frequency micro-amplitude is generated under the high-speed rotation of the motor. The bin vibrator 4012 can also adopt other vibration devices in the prior art which have the same effect as the vibrator. The bin vibrator 4012 can ensure smooth feeding of the solid powder. The weigher 4013 can adopt a weigher with a conveying belt, the dosing speed reducer 4014 is mounted on the weigher 4013, the use of the weigher can display the gram weight of the PAC and PAM solid powder contained in the dry powder box, and the solid powder can be discharged through the set gram weight. If the gram weight is below the lower limit, an alarm can be set and the entire feeding process can be stopped. The dosing speed reducer 4014 provides feeding work and can adjust the motor speed. The quick dissolver 4015 can adopt a powdering machine or other existing devices for grinding. The solid solute is ground into finer powder, the PAM solid solute is better powdered, and the PAM solid solute is mixed and dissolved with water faster. In the present embodiment, the dry powder box 4011 has a plurality of work areas. The powder is poured into the dry powder box 4011, the bin vibrator 4012 is turned on, the work area where the bin vibrator 4012 is located vibrates, the medicament falls on the conveying belt of the weigher, the powder is conveyed to the area where the quick dissolver 4015 is located, and finally the powder is discharged at the discharge port. The water feeding assembly 402 comprises a water feeding pipe 4021, a pressure gauge 4022, a rotor flowmeter 4023, a water feeding electromagnetic valve 4024, an electromagnetic flowmeter 4025 and a water feeding manual valve 4026. The water feeding assembly 402 can adjust the best water feeding speed through the water feeding manual valve 4026 according to the scale on the rotor flowmeter 4023. After adjustment, the water feeding electromagnetic valve 4024 can be directly turned on or off to maintain the adjusted water flow. The quality of the water feeding can be set through the electromagnetic flowmeter 4025 to control the start and stop of the water feeding electromagnetic valve 4024, so as to control the concentration of the solvent.The bottom of the PAC storage tank 1 and the PAM storage tank 2 is also provided with a pollution discharge assembly 6, which includes a pollution discharge pipe 601 and an overflow pipe 602, the overflow pipe 602 is in communication with the prefabricated mixing area 301, the uniform mixing and curing area 302 and the solution storage area, and the pollution discharge pipe 601 is in communication with the overflow pipe 602. The dosing device also includes a liquid discharge pipe and a metering pump 502, one end of the liquid discharge pipe is in communication with the solution storage area 303, the other end of the liquid discharge pipe is in communication with the dosing pipe 501, and the metering pump 502 is arranged in the middle of the dosing pipe 501. By controlling the frequency of the metering pump 502, the dosing amount can be well controlled.

[0032] The coagulant preparation integrated device provided in the embodiment is used first, and the external clean water is introduced into the prefabricated mixing area 301 through the water inlet assembly 402, and the solid coagulant is put into the prefabricated mixing area 301 by the feeding device 4. The dosing weight is accurately controlled by the weighing device 4013, and the water inlet quality is controlled by the electromagnetic flow meter 4025 on the water inlet pipe 4021 to perform proportioning. The coagulant is fully dissolved in the prefabricated mixing area 301, and after dissolution, it is overflowed to the uniform mixing and curing area 302, and after full curing in the uniform mixing and curing area 302, it is overflowed to the solution storage area 303. Finally, the coagulant in the solution storage area 303 enters the water inlet area 801 of the wastewater coagulation and sedimentation tank 8 through the dosing pipe 501 of the dosing device 5, and is mixed with the sewage added into the wastewater coagulation and sedimentation tank 8.

[0033] In the embodiment, the PAC storage tank 1 is made of polypropylene, and the PAM storage tank 2 is made of stainless steel. The PAC has a certain corrosive property.

[0034] As shown in the figure, Figure 2 In the embodiment, the PAC storage tank 1 and the PAM storage tank 2 are also provided with a pressure liquid level meter 10 outside the bottom. Specifically, in the embodiment, three control points of high liquid level, low liquid level and low-low liquid level can be set to automatically control and protect the low liquid level. After the pressure liquid level meter 10 is linked with the water inlet assembly 402 through the three control points of high liquid level, low liquid level and low-low liquid level, the high liquid level closes the water inlet electromagnetic valve 4024 of the water inlet assembly 402, the low liquid level opens the water inlet assembly, and the low-low liquid level stops the metering pump 502 from working.

[0035] As shown in the figure, Figure 1 In the embodiment, a sandwich layer is arranged in the middle of the PAM storage tank 2, and a cooling water assembly 7 is arranged outside the sandwich layer. The cooling water assembly 7 includes a cooling water inlet 701 and a cooling water outlet 702. The PAM solvent is easy to fail at high temperature, and a low-temperature cooling circulating pump can be externally arranged at a higher temperature, connected with the cooling water inlet 701 and the cooling water outlet 702 respectively, and cooled by circulating cooling water to achieve the effect of cooling the PAM solvent and increasing the service life of the solvent.

[0036] As shown in the figure, Figure 5As shown, the wastewater coagulation sedimentation tank 8 comprises a water inlet area 801, a clear water area 802 and a water outlet area 803, the water inlet area 801 is connected with the clear water area 802, the clear water area 802 is connected with the water outlet area 803, and a sludge discharge assembly 806 is further arranged at the bottom of the wastewater coagulation sedimentation tank 8, the sludge discharge assembly 806 comprises a sludge discharge pipe 8061, the water inlet area 801, the clear water area 802 and the water outlet area 803 are communicated with the sludge discharge pipe 8061, the dosing pipe 501 is connected with the water inlet area 801, the clear water area 802 is provided with an inclined plate 804 or an inclined pipe close to the bottom, and the sludge precipitated after water treatment in the clear water area 802 can be discharged through the sludge discharge pipe 8061; the turbidity detection device 807 is arranged above the water outlet area 803. A partition plate is arranged between the water inlet area 801 and the clear water area 802, and an opening for communicating the water inlet area 801 and the clear water area 802 is arranged below the partition plate; a partition plate is arranged between the clear water area 802 and the water outlet area 803, and an opening for communicating the clear water area 802 and the water outlet area 803 is arranged above the partition plate; the turbidity detection device 807 further comprises a turbidity display 8071, a water inlet 8072, a water inlet adjusting valve 8073, a filter 8074, a water outlet 8075, a water outlet adjusting valve 8076 and a backwashing water pipe 8077, and the water inlet 8072 is connected with the water inlet adjusting valve 8073, the filter 8074, the turbidity display 8071, the water outlet 8075, the water outlet adjusting valve 8076 and the backwashing water pipe 8077 in sequence; the water sample in the water outlet area 803 is extracted through the water inlet 8072, a small amount of impurities is removed through the filter 8074, the real-time turbidity is displayed, and the extracted water sample is discharged from the water outlet 8075; when no sewage is input, the backwashing mode can be manually started, the water outlet adjusting valve 8076 is closed, the backwashing water pipe 8077 starts to input water, a small amount of impurities in the filter 8074 is removed, and the water goes out from the water inlet 8072, so that the filter 8074 is prevented from accumulating too many impurities and affecting the detection result. The wastewater coagulation sedimentation tank 8 further comprises a sewage inlet pipe 805, and the sewage inlet pipe 805 is communicated with the water inlet area 801. In the embodiment, the sewage in the wastewater coagulation sedimentation tank 8 can be input into the water inlet area 801 in various ways, and the sewage inlet pipe 805 is more efficient in the embodiment. In the embodiment, the reagent in the solution storage area 303 is input into the water inlet area 801 of the wastewater coagulation sedimentation tank 8 through the dosing device 5, mixed with the sewage added into the wastewater coagulation sedimentation tank 8, and moves upwards from bottom to top, flows into the clear water area 802 below the partition plate, the flocculated flocculation is gradually precipitated to the bottom of the tank by gravity, and the wastewater coagulation sedimentation tank 8 is provided with the inclined plate 804 / inclined pipe to guide the sewage to flow along one side, increase the residence time, and make the particles more easily precipitated, the water in the clear water area 802 overflows from bottom to top to the water outlet area 803, and is sent to the next process through the water outlet pipe 8031, and the turbidity detection device 807 above the water outlet area 803 is used to achieve the best water treatment effect.When treating sewage, PAM solvent is added first. If the turbidity is higher than the upper limit and the sewage treatment effect cannot be achieved by increasing the frequency of the PAM metering pump 502, the PAC metering pump 502 is turned on to start adding PAC solvent to further treat the sewage. This device can adjust the solvent concentration to reduce the waste of chemicals and treat sewage more efficiently.

[0037] like Figure 6 As shown, in this embodiment, a liquid preparation area 3 is provided inside the PAC storage tank 1 and the PAM storage tank 2, and the liquid preparation area 3 is provided with a prefabricated mixing area 301, a mixing and maturing area 302 and a solution storage area, wherein the prefabricated mixing area 301, the mixing and maturing area 302, and the water inlet area 801 of the wastewater coagulation sedimentation tank 8 are all provided with a stirring device 9, and the stirring device 9 includes a stirring motor 901 and a stirring rod 902. Specifically, the stirring rod 902 of the stirring device 9 provided in the prefabricated mixing area 301 has two impellers 903, which can quickly mix in the prefabricated mixing area 301, and the stirring rod 902 of the stirring device 9 provided in the mixing and maturing area 302 has one impeller 903, which can more fully mix and evenly mix in the mixing and maturing area 302. The stirring rod 26 of the water inlet area 801 has three impellers 903, which can more quickly and efficiently mix the solvent and sewage.

[0038] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of the present invention. Therefore, based on the innovative concept of the present invention, changes and modifications to the embodiments described herein, or equivalent structural or process transformations made using the contents of the present invention specification and drawings, and direct or indirect application of the above technical solutions to other related technical fields, are all included in the scope of patent protection of the present invention.

Claims

1. An integrated device for preparing coagulant reagents, characterized in that: include: PAC storage tank, PAM storage tank and wastewater coagulation and sedimentation tank; A feeding device, a dosing device and a control box are respectively provided above the PAC storage tank and the PAM storage tank, and the insides of the PAC storage tank and the PAM storage tank are respectively connected to the feeding device and the dosing device; The dosing device includes a dosing pipe, and the PAC storage tank and the PAM storage tank are connected to the wastewater coagulation sedimentation tank through the dosing pipe. The wastewater coagulation sedimentation tank is provided with a turbidity detection device, and a mud discharge component is provided at the bottom of the wastewater coagulation sedimentation tank.

2. The integrated device for preparing a coagulant according to claim 1, characterized in that: The PAC storage tank and the PAM storage tank are internally provided with a liquid preparation area, which includes a prefabrication mixing area, a mixing and maturing area, and a solution storage area, with a baffle provided between the two connected areas; the liquid preparation area is connected to a feeding device and a dosing device.

3. The integrated coagulant preparation device according to claim 2, characterized in that: The feeding device includes a solid feeding assembly and a water inlet assembly, and both the solid feeding assembly and the water inlet assembly are connected to the prefabricated mixing area; The solid feeding assembly includes a dry material box, a bin vibrator, a weighing device, a medicine delivery reducer and an instant dissolver. The bin vibrator and the weighing device are arranged inside the dry material box, the medicine delivery reducer is arranged below the dry material box, the dry material box also includes a discharge port, and the instant dissolver is connected to the discharge port.

4. The integrated coagulant preparation device according to claim 3, characterized in that: The water inlet assembly includes a water inlet pipe, a pressure gauge, a rotor flowmeter, a water inlet electromagnetic valve, an electromagnetic flowmeter and a water inlet manual valve.

5. The integrated coagulant preparation device according to claim 2, characterized in that: A sewage discharge assembly is provided at the bottom of the PAC storage tank and the PAM storage tank. The sewage discharge assembly includes a sewage discharge pipe and an overflow pipe. The overflow pipe is connected to the prefabricated mixing area, the mixing and aging area and the solution storage area. The sewage discharge pipe is connected to the overflow pipe.

6. The integrated coagulant preparation device according to claim 2, characterized in that: The dosing device further comprises a liquid discharge pipe and a metering pump. One end of the liquid discharge pipe is connected to the solution storage area, and the other end of the liquid discharge pipe is connected to the dosing pipe. The metering pump is arranged in the middle of the dosing pipe.

7. The integrated device for preparing a coagulant according to any one of claims 1 to 6, characterized in that: The PAC storage tank is made of polypropylene, and the PAM storage tank is made of stainless steel.

8. The integrated device for preparing a coagulant according to any one of claims 1 to 6, characterized in that: The wastewater coagulation sedimentation tank includes an inlet area, a clean water area and an outlet area, the inlet area is connected to the clean water area, the clean water area is connected to the outlet area, the dosing pipe is connected to the inlet area, the clean water area is provided with an inclined plate and / or an inclined pipe, the mud discharge assembly is connected to the inlet area, the clean water area and the outlet area, and the turbidity detection device is arranged above the outlet area.

9. The integrated coagulant preparation device according to claim 8, characterized in that: The turbidity detection device also includes a turbidity display, a water inlet, a water inlet regulating valve, a filter, a water outlet, a water outlet regulating valve and a backwash water pipe, and the water inlet is connected to the water inlet regulating valve, the filter, the turbidity display, the water outlet, the water outlet regulating valve and the backwash water pipe in sequence.

10. The integrated coagulant preparation device according to claim 8, characterized in that: The PAC storage tank and the PAM storage tank are internally provided with a liquid preparation area, and the liquid preparation area is provided with a prefabrication mixing area, a mixing and maturation area and a solution storage area. A stirring device is provided in the prefabrication mixing area, the mixing and maturation area, the solution storage area and / or the water inlet area of ​​the wastewater coagulation sedimentation tank.

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