CN204873983U - Filter equipment backwash water processing system - Google Patents
Filter equipment backwash water processing system Download PDFInfo
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- CN204873983U CN204873983U CN201520638500.8U CN201520638500U CN204873983U CN 204873983 U CN204873983 U CN 204873983U CN 201520638500 U CN201520638500 U CN 201520638500U CN 204873983 U CN204873983 U CN 204873983U
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- water
- backwash
- backwash water
- collecting tank
- filtration unit
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Abstract
The utility model discloses a filter equipment backwash water processing system, including backwash water collecting pit, integration water purifier, sludge impoundment and clean water basin, the integration is provided with backwash water entry, mud discharge port and clear water export on the water purifier, and wherein, backwash water entry is used for adding the backwash water that comes from filter equipment, the mud discharge port mud that the integration water purifier produced at the water purification in -process that is used for discharging, and the clear water export is used for exporting the clear water that obtains after the backwash aqueous cleaning, backwash water collecting pit is connected to backwash water entry through the backwash water pipeling, backwash water collecting pit, the charge device who unifies and be provided with the elevator pump between the water purifier and be used for adding the water treatment agent, elevator pump, charge device establish ties in proper order on the backwash water pipeling, the mud discharge port is linked together with the sludge impoundment, the clear water export is linked together with the clean water basin. Area is little in this system, and the construction investment is economized, and operating power consumption is low, and the treatment effect is good.
Description
Technical field
The utility model relates to a kind of waste disposal plant, refers to a kind of filtration unit backwash water treatment system especially.
Background technology
For meeting the needs of national energy-saving consumption reduction, Efforts To Develop recycling economy development, in recent years at home iron and steel enterprise extremely the most urgent be exactly water-saving consumption-reduction, improve the repeating utilization factor of water resources; And one of the reasonable recycling effective measure becoming industrial water saving of a large amount of backwash efflux wastewaters that the water treatment filter such as sand filter produces in circulating water system.
According to the requirement of iron and steel enterprise's various processes, in clean circulating water or turbid circulating water system, be often configured with the water treatment filters such as sand filter, guarantee the cooling performance of recirculated water in normal course of operation and water quality.The filtration units such as sand filter can produce a large amount of waste water when carrying out self back flushing, wherein generally containing the impurity such as suspended substance, mud, arrange meeting serious environment pollution if directly outer; The outer discharge capacity of this effluent part is comparatively large in addition, does not conform to, therefore consider to carry out recycling to backwash water, impel Business Economic Benefit and environmental benefit common development with energy-saving and cost-reducing requirement.
Summary of the invention
The purpose of this utility model is that providing a kind of can purify the filtration unit backwash water treatment system that sand filter backwash waste makes it to meet recirculated water reuse requirement.
For achieving the above object, the filtration unit backwash water treatment system designed by the utility model, comprises backwash water collecting tank, integral water purifier, sludge sump and clean water basin; Described integral water purifier is provided with backwash water entrance, mud discharging mouth and clear water output, wherein, backwash water entrance is for adding the backwash water from filtration unit, the mud that mud discharging mouth produces in Water treatment for discharging integral water purifier, clear water output is for exporting the clear water obtained after backwash water purifies; Described backwash water collecting tank is connected to backwash water entrance by backwash water pipeline; Be provided with lift pump and the chemicals dosing plant for adding water treatment agent (as flocculation agent, coagulating agent) between described backwash water collecting tank, integral water purifier, described lift pump, chemicals dosing plant successively (from backwash water collecting tank to integral water purifier) are connected on backwash water pipeline; Described mud discharging mouth is connected with sludge sump, and described clear water output is connected with clean water basin.
The brief description of the process of this filtration unit backwash water treatment system is as follows: after collecting in backwash water collecting tank from the backwash sewage of filtration unit, integral water purifier is delivered to by lift pump, in backwash sewage, water treatment agent is added by chemicals dosing plant in course of conveying, suspended substance in backwash sewage precipitates in integral water purifier, the mud precipitated is disposed to sludge sump through mud discharging mouth, and upper strata clear water is then delivered to clean water basin by clear water output.
Preferably, the minimum useful volume of described backwash water collecting tank is not less than the wastewater volume that filtration unit water quality and quantity change one-period discharges, for each situation of only a filtration unit being carried out to backwash, described wastewater volume is separate unit single backwash volume of water.
Preferably, described chemicals dosing plant comprises line mixer and adds entrance with the water treatment agent be arranged on line mixer.
Preferably, described backwash water collecting tank, sludge sump and clean water basin are respectively arranged with liquidometer.
Preferably, described backwash water collecting tank and/or sludge sump are provided with whipping appts, and described whipping appts can select the device such as pneumatic blending or mechanical stirring (agitator).
Preferably, described integral water purifier comprises the back washing device its filtering layer being carried out to backwash, described back washing device comprises purify waste water entrance and waterways, described entrance of purifying waste water is for providing clear water needed for filtering layer backwash, described waterways is for discharging backwash sewage, and described waterways is connected with backwash water collecting tank.The filtering layer of integral water purifier can accumulate mud in sewage treatment process, and need not timing to pass into clear water and carry out back flushing, the sewage of generation is disposed to backwash water collecting tank by waterways.
Preferably, described sludge sump is provided with sludge pump, and described clean water basin are provided with fresh water pump.Mud in described sludge sump is delivered to neighbouring water station sludge treating system by sludge pump, and the clear water in described clean water basin is delivered to circulating water system reuse by fresh water pump or as dosing water distribution.
The beneficial effects of the utility model are: 1) water quality of filtration unit backwash water, the water yield were determined by the cycle of Filter Back Washing, the index such as water quality, temperature fluctuates widely with water discharge time, backwash water collecting tank is adopted to collect backwash water, this water treatment system can be made not to be subject to the impact of waste water peak flow or change in concentration, therefore to there is larger handiness and regulate leeway; 2) integral water purifier integrates coagulation, precipitation, filtration, dosing, the equipment of sterilizing, and adopt integral water purifier to make this system footprint area little, construction investment is economized, and operation energy consumption is low; 3) filtration unit backwash water can meet recirculated water reuse requirement after this system process, detects through reality, and before process, backwash water suspension content is 500 ~ 1000mg/L, and after process, in clear water, the content of suspended substance can be down to below 5mg/L.
Accompanying drawing explanation
The process frame chart of the filtration unit backwash water treatment system of Fig. 1 designed by the utility model, in figure, PAM is flocculation agent, and PAC is coagulating agent.
Fig. 2 is the process flow sheet of the filtration unit backwash water treatment system in Fig. 1, and the arrow representative in figure on pipeline flows to, and the letter on pipeline represents medium, is respectively backwash water Fx, mud Nj, and purify waste water Jl.
Wherein: backwash water collecting tank 1, integral water purifier 2, sludge sump 3, clean water basin 4, backwash water entrance 5, mud discharging mouth 6, clear water output 7, backwash water pipeline 8, lift pump 9, line mixer 10, liquidometer 11, agitator 12, waterways 13, sludge pump 14, fresh water pump 15, entrance 16 of purifying waste water
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1 ~ 2, the filtration unit backwash water treatment system designed by the utility model, comprises backwash water collecting tank 1, integral water purifier 2, sludge sump 3 and clean water basin 4.Integral water purifier 2 adopts FA type integral water purifier, is provided with backwash water entrance 5, mud discharging mouth 6 and clear water output 7.Backwash water collecting tank 1 is connected to backwash water entrance 5 by backwash water pipeline 8.Lift pump 9 and the chemicals dosing plant for adding water treatment agent is provided with between backwash water collecting tank 1, integral water purifier 2.Lift pump 9 adopts vertical self-sucking pump, is arranged on the outlet of backwash water collecting tank 1 and is connected on backwash water pipeline 8; Chemicals dosing plant comprises line mixer 10 and flocculation agent PAM, the coagulating agent PAC be arranged on line mixer 10 adds entrance, line mixer 10 is connected on the backwash water pipeline 8 between lift pump 9 and integral water purifier 2, PAM adopts Machinery Diaphragm Pump to be delivered to line mixer 10, PAC to adopt Machinery Diaphragm Pump to be delivered in the pipeline after line mixer 10.Mud discharging mouth 6 is connected with sludge sump 3 by pipeline.Clear water output 7 is connected with clean water basin 4 by pipeline.Backwash water collecting tank 1, sludge sump 3 and clean water basin 4 are respectively arranged with liquidometer 11, for showing the liquid level of each device.Sludge sump 3 is provided with whipping appts, the agitator 12 namely in Fig. 2.The back washing device of integral water purifier 2 comprises purify waste water entrance 16 and waterways 13.Entrance 16 of purifying waste water is connected with external purification water pipe, for providing clear water needed for filtering layer backwash.Waterways 13 is connected with backwash water collecting tank 1 by pipeline, for backwash sewage is disposed to backwash water collecting tank 1.The output mouth of pipe of sludge sump 3 is provided with sludge pump 14, the output mouth of pipe of clean water basin 4 is provided with fresh water pump 15.
For certain Enterprises water station sand filter, comprise Φ 5000 more medium filter totally 5 in standing, separate unit single backwash water yield 204m
3, 5 add up to total backwash water yield 2044m
3/ d, is equivalent to process water yield 85m continuously
3/ h.The parameter of each main device of this water station filtration unit backwash water treatment system is as follows:
Backwash water collecting tank 1: useful volume should be not less than strainer separate unit single backwash water yield 204m
3, select useful volume 240m
3, backwash water collecting tank is full underground type, skeleton construction, being provided with multiple stage mechanical stirring device (for marking in figure), preventing macrobead suspended substance from precipitating;
Integral water purifier 2: processing power should be not less than strainer and process the water yield (85m continuously
3/ h), select processing power 100m
3/ h, timing spoil disposal number of times: 6 hours/time;
Lift pump 9: lift pump parameter is set according to the water purifier process water yield, selects vertical self-sucking pump, flow 100m
3/ h, lift 25m, 2,1 is standby with 1.
Chemicals dosing plant: adopt two Machinery Diaphragm Pumps to be added in line mixer by PAC, PAM respectively, because PAC is soluble, drop into from line mixer outlet pipe.PAC chemical feeding quantity is 50mg/L, PAM chemical feeding quantity is 1mg/L, and the flow of two Machinery Diaphragm Pumps is 500L/h, lift 50m.
Sludge sump 3: design useful volume 30m
3, full ground type, skeleton construction, and be provided with agitator and sludge pump, sludge pump flow 30m
3/ h, lift 50m, processed delivering to neighbouring water station sludge treating system outside mud by pump.
Clean water basin 4: design useful volume 50m
3, full ground type, skeleton construction, and be provided with fresh water pump, fresh water pump flow 100m
3/ h, lift 50m, will deliver to neighbouring each circulating water system reuse by pump outside clear water.
Claims (7)
1. a filtration unit backwash water treatment system, is characterized in that: comprise backwash water collecting tank (1), integral water purifier (2), sludge sump (3) and clean water basin (4); Described integral water purifier (2) is provided with backwash water entrance (5), mud discharging mouth (6) and clear water output (7); Described backwash water collecting tank (1) is connected to backwash water entrance (5) by backwash water pipeline (8); Be provided with lift pump (9) and the chemicals dosing plant for adding water treatment agent between described backwash water collecting tank (1), integral water purifier (2), described lift pump (9), chemicals dosing plant are connected on backwash water pipeline (8) successively; Described mud discharging mouth (6) is connected with sludge sump (3), and described clear water output (7) is connected with clean water basin (4).
2. filtration unit backwash water treatment system according to claim 1, is characterized in that: the useful volume of described backwash water collecting tank (1) is not less than whole wastewater volume that filtration unit water quality and quantity change one-period discharges.
3. filtration unit backwash water treatment system according to claim 1 and 2, is characterized in that: described chemicals dosing plant comprises line mixer (10) and the water treatment agent be arranged on line mixer (10) adds entrance.
4. filtration unit backwash water treatment system according to claim 1 and 2, is characterized in that: described backwash water collecting tank (1), sludge sump (3) and clean water basin (4) are respectively arranged with liquidometer (11).
5. filtration unit backwash water treatment system according to claim 1 and 2, is characterized in that: described backwash water collecting tank (1) and/or sludge sump (3) are provided with whipping appts, and described whipping appts is pneumatic blending or mechanical stirring.
6. filtration unit backwash water treatment system according to claim 1 and 2, it is characterized in that: described integral water purifier (2) comprises the back washing device its filtering layer being carried out to backwash, described back washing device comprises entrance of purifying waste water (16) and waterways (13), described entrance of purifying waste water (16) is for providing clear water needed for filtering layer backwash, described waterways (13) is for discharging backwash sewage, and described waterways (13) are connected with backwash water collecting tank (1).
7. filtration unit backwash water treatment system according to claim 1 and 2, it is characterized in that: described sludge sump (3) is provided with sludge pump (14), described clean water basin (4) are provided with fresh water pump (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638500.8U CN204873983U (en) | 2015-08-21 | 2015-08-21 | Filter equipment backwash water processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638500.8U CN204873983U (en) | 2015-08-21 | 2015-08-21 | Filter equipment backwash water processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204873983U true CN204873983U (en) | 2015-12-16 |
Family
ID=54818381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520638500.8U Active CN204873983U (en) | 2015-08-21 | 2015-08-21 | Filter equipment backwash water processing system |
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| Country | Link |
|---|---|
| CN (1) | CN204873983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880350A (en) * | 2021-09-28 | 2022-01-04 | 青岛瑞铵特环保有限公司 | Low-turbidity precision sewage filtering system and using method thereof |
-
2015
- 2015-08-21 CN CN201520638500.8U patent/CN204873983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880350A (en) * | 2021-09-28 | 2022-01-04 | 青岛瑞铵特环保有限公司 | Low-turbidity precision sewage filtering system and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: 430080 No. 99, steel road, workers Village Road, Qingshan District, Hubei, Wuhan Patentee after: Wuhan Huade Ecotek Corporation Address before: 15 Wuchang, Wuhan Friendship Avenue, No. 999, block A, layer (Wuhan Iron and steel science and technology innovation department), No. 430080, Patentee before: Wuhan Iron & Steel (Group) Corp. |