Landscape water dialysis purification system

Abstract

The utility model relates to the technical field of water pollution treatment, in particular to a landscape water dialysis purification system. The system comprises a water intake pumping station, a water distribution well and a cloth filter tank, water taken by the water intake pumping station is conveyed into the water distribution well through a water inlet pipe of the water distribution well, the water inlet pipe of the water distribution well is connected with PAC and PAM pipelines, sewage is distributed into the cloth filter after being subjected to first flocculation and sedimentation in the water distribution well, PAM is added into a water outlet pipe of the water distribution well, pollutants in water are further subjected to flocculation and sedimentation in a flocculation and sedimentation section of the cloth filter, and the pollutants in the water are subjected to secondary flocculation and sedimentation. The sewage is filtered by the fiber rotary disc filter after two times of flocculating settling, and the filtered clear water can be discharged, so that the sewage is treated, the load of the fiber rotary disc filter is effectively reduced in the process, and the efficient treatment process of the sewage is ensured; sludge generated in the operation process of the system is collected and then filtered, so that the sludge produced by the system is treated.

Description

TECHNICAL FIELD

[0001] The utility model relates to water body pollution treatment technical field, concretely relates to landscape water dialysis purification system. BACKGROUND

[0002] Landscape water usually refers to water body for visual appreciation, usually divided into two categories: one is natural water scene, like natural lake, river etc.; the other is artificial water scene, like fountain, artificial lake, city small river etc.; for artificial water scene, since all are open-air surface water, water body flow capacity is limited, self-purification capacity is very low, and is very easy to be polluted.

[0003] Therefore, when landscape water is polluted, artificial treatment is needed; the commonly used method includes physical method, biological method and ecological method etc.; wherein, the physical method passes through the method of bypass processing, extracts the polluted landscape water to handle and returns to the water body, the process is simple and efficient, but correspondingly also brings larger investment cost and operating cost; the core of physical method treatment is filter cloth filter, in the process of system operation, when the filter cloth filter is in the process of filtering efficiency reduction, needs to carry out backwashing operation, then the treatment efficiency is reduced; when needing to guarantee the treatment efficiency, often needs to set up multiple filter cloth filters to carry out parallel connection, on the one hand increases the investment cost of land occupation, equipment, on the other hand also significantly increases the operating cost.

[0004] Therefore, a landscape water dialysis purification treatment system which can effectively reduce the system investment cost and operating cost while guaranteeing the treatment efficiency is the existing problem to be solved. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing landscape water dialysis purification system to solve the problem that the existing bypass purification treatment system needs frequent backwashing of fiber filter cloth rotating disc, influences filtering efficiency, and needs to increase investment cost and operating cost when needing to guarantee filtering efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: landscape water dialysis purification system, including water taking pump station, water taking pump station is connected with water distribution well, water distribution well is connected with filter cloth filter; PAC adding pipeline and PAM adding pipeline are connected with the water inlet pipe of water distribution well respectively; the water outlet pipe of water distribution well is connected with the water inlet of filter cloth filter, and the water outlet pipe of water distribution well is connected with PAM adding pipeline; the filter cloth filter includes flocculation sedimentation section and rotating disc filter section which are sequentially arranged along the water flow direction, the baffles are arranged in the flocculation sedimentation section, the baffles are staggered, the baffles are in the form of baffle, the adjacent baffles form water flow channel which is alternately connected with narrow channel and wide channel, and the fiber rotating disc filter is arranged in the rotating disc filter section.

[0007] Further, the water distribution well inlet pipe is connected with the upper part of the water distribution well, and a partition wall is arranged at the rear of the water distribution well inlet pipe; an overflow weir is arranged in the water distribution well, and a stirring and mixing area is formed between the partition wall and the overflow weir, and the bottom of the partition wall is connected with the stirring and mixing area; water discharged from the overflow weir is distributed to the filter cloth filter tank through the water distribution well outlet pipe.

[0008] Further, the bottom of the water distribution well is provided with a water distribution well sludge discharge pipe connected with the stirring and mixing area; the flocculation and sedimentation section is connected with a flocculation and sedimentation section sludge discharge pipe at the bottom of each water flow channel; the sludge discharge pipe of the fiber rotating disc filter is connected with a rotating disc filter section sludge discharge pipe; the water distribution well sludge discharge pipe, the flocculation and sedimentation section sludge discharge pipe and the rotating disc filter section sludge discharge pipe are connected with the adjusting tank.

[0009] Further, the adjusting tank is connected with a concentration tank and a balance tank in sequence, and the balance tank is transported to a sludge dewatering area.

[0010] Further, the medicament area is provided with a PAC storage tank and a PAM storage tank, the PAC storage tank is connected with the water distribution well inlet pipe, and the PAM storage tank is connected with the water distribution well inlet pipe, the water distribution well outlet pipe and the sludge dewatering area respectively.

[0011] The beneficial effects of the utility model are as follows: the utility model can realize bypass treatment of polluted water bodies, can effectively reduce the amount of pollutants in the water bodies through twice flocculation and sedimentation in the treatment process, can effectively reduce the working load of the fiber rotating disc filter when filtering through the fiber rotating disc filter, avoids frequent backwashing of the fiber rotating disc filter, effectively guarantees the filtering efficiency, can treat a large amount of water bodies in a short time, avoids increasing the land occupation, equipment and operation cost caused by more equipment, is more economic and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the system flow schematic diagram of the utility model;

[0013] Figure 2 It is the water distribution well structure schematic diagram of the utility model;

[0014] Figure 3 It is the filter cloth filter tank structure schematic diagram of the utility model;

[0015] Figure 4 It is the utility model Figure 3 The local enlarged schematic diagram of part A in the utility model.

[0016] The names corresponding to the marks in the figure are as follows:

[0017] 1. Water intake pump station; 2. Water distribution well; 21. Water distribution well inlet pipe; 22. Partition wall; 23. Water distribution well agitator; 24. Overflow weir; 25. Water distribution well outlet pipe; 26. Water distribution well sludge discharge pipe; 3. Filter cloth filter; 31. Flocculation and sedimentation section; 311. Baffle plate; 312. Narrow passage; 313. Wide passage; 32. Rotary disc filter section; 33. Filter cloth filter outlet pipe; 34. Flocculation and sedimentation section sludge discharge pipe; 341. Sludge discharge main pipe; 342. Sludge discharge branch pipe; 35. Rotary disc filter section sludge discharge pipe; 4. Equalization tank; 5. Thickening tank; 6. Balance tank; 7. Dewatering zone; 8. Chemical zone. Detailed Implementation

[0018] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings of the embodiments thereof.

[0019] like Figure 1 As shown, the system of this utility model includes a water intake pumping station 1, which draws polluted water and transports it to a distribution well 2. PAC and PAM are added during the transportation process. After stirring, flocculation and sedimentation in the distribution well 2, the supernatant is overflowed and distributed to a filter cloth filter 3. Multiple filter cloth filter 3s are provided. Water can be distributed to each filter cloth filter 3 through the distribution well 2. PAM is added during the water intake process of the filter cloth filter 3.

[0020] The filter cloth filter 3 includes a pre-flocculation and sedimentation section 31 and a subsequent rotary disc filter section 32. In the flocculation and sedimentation section 31, staggered baffles 311 are used to further flocculate and settle pollutants in the water. The pollutants then go to the fiber rotary disc filter in the rotary disc filter section 32 for filtration, which can reduce the operating load of the filter. The filtered clean water can be discharged into the water body.

[0021] Sludge is generated during the water pollution treatment process. The sludge is generated in the flocculation and sedimentation of the water distribution well 2, the flocculation and sedimentation section 31 of the filter cloth filter 3, and the rotary filter section 32. In this utility model system, the generated sludge is pumped to the sludge equalization tank 4, where the shock load is buffered. Then, the sludge is transported to the thickening tank 5 through the equalization tank 4 for further concentration. The concentrated sludge is then transported to the sludge balance tank 6, where it is stirred and homogenized. Finally, sludge of a certain concentration range and flow rate is transported to the dewatering zone 7 for dewatering.

[0022] A dewatering device is installed in the dewatering zone 7. After adding PAM, the sludge is dewatered in the dewatering device, and the dewatered sludge cake is transported out. In this utility model system, a reagent zone 8 is also provided, in which a PAC storage tank and a PAM storage tank are provided for the storage and transportation of PAC and PAM.

[0023] like Figures 1-4As shown, water distribution well inlet pipe 21 is arranged above one side of water distribution well 2, partition wall 22 and overflow weir 24 are arranged in water distribution well 2, a mixing zone is formed between partition wall 22 and overflow weir 24, the bottom of partition wall 22 is communicated with the mixing zone, water distribution well agitator 23 is arranged in the mixing zone, and the supernatant above the mixing zone is discharged through overflow weir 24 and water distribution well outlet pipe 25; water distribution well sludge discharge pipe 26 is arranged at the bottom of water distribution well 2, and water distribution well sludge discharge pipe 26 is communicated with the mixing zone.

[0024] Water distribution well outlet pipe 25 is connected with a plurality of filter cloth filter tanks 3, and PAM adding pipe is connected with water distribution well outlet pipe 25; flocculation and sedimentation section 31 and rotary disc filter section 32 are arranged in each filter cloth filter tank 3; baffle plates 311 are arranged in flocculation and sedimentation section 31 in a staggered manner, the baffle plates 311 make the water in the filter cloth filter tank 3 flow upwards and downwards; each baffle plate 311 is arranged in a baffle type, a water flow channel is formed between two adjacent baffle plates 311, and the water flow channel is formed into narrow channels 312 and wide channels 313 which are alternately connected; the bottom of each water flow channel is connected with flocculation and sedimentation section sludge discharge pipe 34, and the flocculation and sedimentation section sludge discharge pipe 34 comprises sludge discharge main pipe 341 and sludge discharge branch pipe 342; the sludge discharge branch pipe 342 is connected with the bottom of each water flow channel, and the sludge discharge main pipe 341 is connected with regulating tank 4.

[0025] A fiber rotary disc filter is arranged in rotary disc filter section 32, the water outlet of the fiber rotary disc filter is connected with filter cloth filter tank water outlet pipe 33, the sludge discharge pipe of the fiber rotary disc filter is connected with rotary disc filter section sludge discharge pipe 35, and the rotary disc filter section sludge discharge pipe 35 is connected with regulating tank 4.

[0026] The principle of the utility model is as follows:

[0027] The utility model carries out purification to the polluted landscape water body through bypass, in the process, polluted water body is extracted through water pump station 1, then is transported to water distribution well 2, PAC and PAM are added in the process of transportation, under the action of coagulant and flocculant, sewage is mixed, flocculated and settled in water distribution well 2, and the supernatant is transported to filter cloth filter tank 3.

[0028] PAM is added in the process of transporting the supernatant to filter cloth filter tank 3, so that the impurities in the supernatant are further flocculated and settled in filter cloth filter tank 3, in the process, flocculation and sedimentation section 31 is arranged, so that the flow channel of water flow is lengthened, which is helpful for the flocculation of pollutants, and the narrow channels 312 and wide channels 313 formed by the baffle type of baffle plates 311 are alternately connected, so that the flow rate of water flow is alternately changed, which effectively promotes the mixing of sewage and flocculant, is also beneficial to the settlement, and realizes the further settlement of pollutants in the water body.

[0029] The pollutants in the water body are removed in large quantity through the flocculation and sedimentation section 31, so that the working load of the rear-end fiber rotating disc filter can be effectively reduced, the speed of the filtering treatment can be effectively ensured, the polluted water body can be more efficiently treated, and the treatment operation can be completed at a lower equipment and operation cost.

[0030] Sludge is generated in the treatment process, and the sludge generated by the water distribution well 2, the flocculation and sedimentation section 31 and the fiber rotating disc filter backwashing is transported to the adjusting tank 4, and then is treated through the thickening tank 5, the balancing tank 6 and dehydration, so that the sludge generated in the system can be treated. The adjusting tank 4, the thickening tank 5, the balancing tank 5 and the dehydration equipment are all mature structures and equipment, and will not be described in detail.

[0031] The utility model is not limited to the above-mentioned best implementation, and anyone can derive other various forms of products under the enlightenment of the utility model, but no matter any change in shape or structure, any technical scheme with the same or similar to the application falls within the protection scope of the utility model.

Claims

1. A landscape water dialysis purification system, characterized in that: The system includes a water intake pumping station connected to a distribution well, which in turn is connected to a filter cloth filter tank. The inlet pipe of the distribution well is connected to both a PAC (polyacrylamide) addition pipe and a PAM (polyamine precipitate) addition pipe. The outlet pipe of the distribution well is connected to the inlet pipe of the filter cloth filter tank, and the outlet pipe is connected to the PAM addition pipe. The filter cloth filter tank includes a flocculation and sedimentation section and a rotary filter section arranged sequentially along the water flow direction. In the flocculation and sedimentation section, staggered baffles are arranged. The baffles are folded plate-shaped, and adjacent baffles form water flow channels that alternate between narrow and wide channels. A fiber rotary filter is installed in the rotary filter section.

2. The landscape water dialysis purification system according to claim 1, characterized in that: The water inlet pipe of the water distribution well is connected to the top of the water distribution well, and a partition wall is set behind the water inlet pipe of the water distribution well; an overflow weir is set in the water distribution well, and a mixing zone is formed between the partition wall and the overflow weir. The bottom of the partition wall is connected to the mixing zone; the water effluent from the overflow weir is distributed to the filter cloth filter tank through the water outlet pipe of the water distribution well.

3. The landscape water dialysis purification system according to claim 2, characterized in that: The bottom of the water distribution well is equipped with a sludge discharge pipe, which is connected to the mixing zone; the flocculation and sedimentation section is connected to the sludge discharge pipe of the flocculation and sedimentation section at the bottom of each water flow channel; the sludge discharge pipe of the fiber disc filter is connected to the sludge discharge pipe of the disc filter section; the sludge discharge pipe of the water distribution well, the sludge discharge pipe of the flocculation and sedimentation section, and the sludge discharge pipe of the disc filter section are all connected to the equalization tank.

4. The landscape water dialysis purification system according to claim 3, characterized in that: The equalization tank is connected in sequence to the thickening tank and the balancing tank, and the balancing tank transports the sludge to the sludge dewatering zone.

5. The landscape water dialysis purification system according to claim 4, characterized in that: It also includes a reagent area, in which PAC storage tanks and PAM storage tanks are installed. The PAC storage tanks are connected to the water inlet pipe of the water distribution well, and the PAM storage tanks are connected to the water inlet pipe of the water distribution well, the water outlet pipe of the water distribution well, and the sludge dewatering area.

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