CN209352733U - A kind of hazardous waste processing center waste water treatment system - Google Patents
A kind of hazardous waste processing center waste water treatment system Download PDFInfo
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- CN209352733U CN209352733U CN201921009395.6U CN201921009395U CN209352733U CN 209352733 U CN209352733 U CN 209352733U CN 201921009395 U CN201921009395 U CN 201921009395U CN 209352733 U CN209352733 U CN 209352733U
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- guanite
- settling tank
- sludge
- waste water
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Abstract
The utility model discloses a kind of hazardous waste processing center waste water treatment systems, including sequentially connected flotation tank, guanite settling tank, heavy metal depth settling tank, flocculation basin, DC biological aerated filter, sand filter, sterilizing pond, the flotation tank water inlet is equipped with grid, water outlet is equipped with pH on-line computing model, the sterilizing pond is equipped with treated water outlet, the guanite settling tank, heavy metal depth settling tank, sludge is by pipeline to sludge-tank at the top of the base sludge of flocculation basin and flotation tank, and sludge is filtered through pressure filter in the sludge-tank.The utility model is short to the process flow of hazardous waste processing center waste water, occupied area is small, it is at low cost, end is that guanite settling tank eliminates ammonia nitrogen, phosphate radical and magnesium ion in waste water before cleaning, reduce the probability that guanite in subsequent process is deposited on pipeline or filtering ponds bottom of pond, simultaneously while eliminating magnesium ion, but also the amount of scale generated in follow-up process reduces.
Description
Technical field
The utility model relates to technical field of waste water processing, and in particular to a kind of hazardous waste processing center waste water treatment system.
Background technique
Dangerous waste disposal center waste water is mainly derived from haulage vehicle and container flushing water, temporary library draining, laboratory
Place water, the draining of materializing strategy workshop, landfill percolate, initial rainwater and sanitary sewage are rinsed in draining, year by year due to dangerous waste
Increase, the waste water that hazardous waste processing center generates is also more and more, while dangerous waste disposition central waste has content of beary metal height, water
Matter and water fluctuation are big, pollutant component is complicated, biodegradability is poor, contain the features such as poisonous and harmful substance, it is therefore necessary to right
It is distinguished processing with Conventional waste water.
Dangerous waste disposition central waste major pollutants include suspended matter, ammonia nitrogen, phosphate, petroleum-type, vegetable and animals oils, yin from
It is sub- surfactant, formaldehyde, volatile phenol, benzene, toluene, organo-chlorine pesticide, Polychlorinated biphenyls, total lead, total chromium, total mercury, total nickel, total
Arsenic, cyanide, chlorine residue etc..It is influenced by dangerous waste disposal center material source and processing waste type, water quality and water
Fluctuation is big, and biodegradability is poor, and 204151203 U of Chinese patent CN discloses a kind of dangerous waste disposal center wastewater treatment system
System, the processing system for using physical-chemical craft to combine with biological effluent treatment technique, so that dangerous waste disposition center
Waste water is handled, longer to the process flow of waste water in the patent, although and heavy metal ion in waste water through also
Former reaction tank, sand filter and active carbon filter processing, but the treatment process is lower to the removal rate of heavy metal ion.
Utility model content
In view of the above technical problem, the purpose of this utility model is to provide a kind of hazardous waste processing center wastewater treatment systems
System, for efficiently, quickly processing dangerous waste to dispose central waste.
The utility model uses following technical scheme are as follows:
A kind of hazardous waste processing center waste water treatment system, including it is heavy by the sequentially connected flotation tank of overflow launder, guanite
Drop pond, heavy metal depth settling tank, flocculation basin and DC biological aerated filter, the DC effluent of aeration biological filter mouth pass through pipeline
Sand filter is connected, the sand filter water outlet connects sterilizing pond, and the flotation tank is used to remove the greasy dirt in waste water and hangs
Floating particles, the guanite settling tank be used to remove ammonia nitrogen, magnesium ion, phosphate anion and a part of heavy metal in waste water from
Son, the heavy metal depth settling tank remove remaining heavy metal ion by the way that organic sulfur is added, and the flocculation basin removes waste water
In suspended matter and coloration, the DC biological aerated filter remove the organic carbon in waste water, reduce COD and BOD5, the sand filtration
Device removes the pollutants such as remaining micro suspended matter, organic matter and bacterium in waste water, and the flotation tank water inlet is equipped with lattice
Grid, water outlet are equipped with pH on-line computing model, and pH is equipped between the flotation tank and guanite settling tank and adjusts tank, phosphate
Tank, ammonium ion tank and magnesium salts tank are equipped with organic sulfur grug feeding jar, institute between the heavy metal settling tank and heavy metal depth settling tank
It states and is equipped with flocculation tank between heavy metal depth settling tank and flocculation basin, thimerosal is equipped between the sand filter and sterilizing pond
Tank, the sterilizing pond are equipped with treated water outlet, the bottom of the guanite settling tank, heavy metal depth settling tank, flocculation basin
Sludge is by pipeline to sludge-tank at the top of portion's sludge and flotation tank, and sludge is filtered through pressure filter in the sludge-tank, filtrate
It is recycled to flotation tank import, filter residue send to incinerator and burns.
Further, a tilted-putted metal mesh is equipped in the guanite settling tank, metal mesh makes guanite more
Good generates on the net, grows up, while but also heavy metal ion in guanite settling tank convenient for settling, water outlet is equipped with
PH on-line computing model, the pH on-line computing model in flotation tank water outlet and guanite settling tank monitors pH, so that ammonia nitrogen, phosphate radical
Ion, magnesium ion and part heavy metal ion are easier to settle in guanite settling tank.
Further, the flotation tank and DC biological aerated filter provide gas source by air blower.
Further, the pH adjusts tank, phosphoric acid salt cellar, ammonium ion tank, magnesium salts tank, organic sulfur grug feeding jar and flocculation tank
Outlet is on the overflow launder of corresponding position, and the outlet of the disinfectant solution tank is set to sterilizing pond water inlet, so that phase
Medicament and the waste water mixing answered are more uniform, abundant.
Compared with prior art, the utility model has the beneficial effects that:
1, the utility model is by being arranged sequentially connected flotation tank, guanite settling tank, heavy metal depth settling tank, wadding
Solidifying pond, DC biological aerated filter, sand filter and sterilizing pond and its auxiliary device can be realized to hazardous waste processing center waste water
Purified treatment, simplify the process of wastewater treatment, reduce production cost.
2, end is that guanite settling tank eliminates the magnesium ion in waste water before cleaning, reduces guanite in subsequent process
It is deposited on the probability of pipeline or filtering ponds bottom of pond, while while eliminating magnesium ion, but also generated in follow-up process
Amount of scale reduces.
Detailed description of the invention
Fig. 1 is the utility model overall schematic；
In figure, 1 is flotation tank, and 2 be guanite settling tank, and 3 attach most importance to metal depth settling tank, and 4 be flocculation basin, and 5 expose for DC
Gas biofilter, 6 be sand filter, and 7 be sterilizing pond, and 8 be grid, and 9 be pH on-line detector, and 10 be metal mesh, and 11 be pH
Tank is adjusted, 12 be phosphoric acid salt cellar, and 13 be ammonium ion tank, and 14 be magnesium salts tank, and 15 be organic sulfur grug feeding jar, and 16 be air blower, and 17 are
Sludge-tank, 18 be pressure filter, and 19 be disinfectant solution tank, and 20 be treated water outlet, and 21 be flocculant tank.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment:
A kind of hazardous waste processing center waste water treatment system, including it is heavy by the sequentially connected flotation tank 1 of overflow launder, guanite
Pond 2, heavy metal depth settling tank 3, flocculation basin 4 and DC biological aerated filter 5 drop, and 5 water outlet of DC biological aerated filter is logical
Piping connects sand filter 6, and 6 water outlet of sand filter connects sterilizing pond 7,1 water inlet of flotation tank be equipped with grid 8,
Water outlet is equipped with pH on-line computing model 9, and pH is equipped between flotation tank 1 and guanite settling tank 2 and adjusts tank 11, phosphoric acid salt cellar
12, ammonium ion tank 13 and magnesium salts tank 14 are equipped with organic sulfur grug feeding jar between guanite settling tank 2 and heavy metal depth settling tank 3
15, it is equipped with flocculation tank 21 between heavy metal depth settling tank 3 and flocculation basin 4, is equipped with and disappears between sand filter 6 and sterilizing pond 7
Venom tank 19, the sterilizing pond 7 are equipped with treated water outlet 20, guanite settling tank 2, heavy metal depth settling tank 3, flocculation
The base sludge and 1 top sludge of flotation tank in pond 4 are by pipeline to sludge-tank 17, and sludge is through pressure filter 18 in sludge-tank 17
Filtering, filtrate are recycled to 1 import of flotation tank, and filter residue send to incinerator and burns.
A tilted-putted metal mesh 10 is equipped in guanite settling tank 2, water outlet is equipped with pH on-line computing model 9.Gas
The gas source of floating pond 1 and DC biological aerated filter 5 is the air that air blower 16 provides.PH adjusts tank 11, phosphoric acid salt cellar 12, ammonium ion
The outlet of tank 13, magnesium salts tank 14, organic sulfur grug feeding jar 15 and flocculation tank 21 is set on the overflow launder of corresponding position, the disinfection
The outlet of flow container 19 is set to 7 water inlet of sterilizing pond.
The utility model process for using is as follows:
1, waste water enters flotation tank 1, the large granular impurity in waste water is filtered out when passing through grid 8, and in flotation tank 1
By being constantly aerated except degreasing and small granular suspended matters；
2, the medicament that the water outlet of flotation tank 1 adjusts tank 11, phosphoric acid salt cellar 12 and ammonium ion tank 13 in overflow launder with pH mixes
Enter guanite settling tank 2 after conjunction, wherein according to pH, phosphate concn, ammonium ion concentration and the magnesium measured in waste water in advance
Ion concentration determines the amount that pH adjusting agent, phosphate, ammonium ion and magnesium ion is added, so that the pH in guanite settling tank 2
8.5~9.5 are maintained, while the ratio of phosphate, ammonium ion and magnesium ion three being made to maintain the concentration model of about 1:1:1
It encloses, under this condition, so that phosphate, ammonium ion and magnesium ion in waste water is formed guanite precipitating, so that bird
Coprolite will not be generated in subsequent wastewater purification so that block pipeline, at the same also make part heavy metal in waste water from
Son settles under alkaline condition；
3, the water outlet of guanite settling tank 2 is mixed and fed into heavy metal with the medicament in organic sulfur grug feeding jar 15 in overflow launder
Depth settling tank 3, the remaining heavy metal ion sedimentation in waste water in the pond；
4, the water outlet of heavy metal depth settling tank 3 is mixed and fed into flocculation basin 4 with the medicament in flocculation tank 21 in overflow launder
It is interior, the small granular suspended matters not precipitated completely in above-mentioned several steps in waste water are settled down, and remove the coloration of waste water；
5, the water outlet of flocculation basin 4 enters DC biological aerated filter 5, and DC biological aerated filter uses spherical porous biofilter material,
It is mainly used for removing the COD and BOD in waste water5；
6, the water outlet of DC biological aerated filter 5 enters sand filter 6, removes remaining trace suspension object, organic matter, again in waste water
The pollutants such as metal and bacterium；
7, the water outlet of sand filter 6 is mixed and fed into sterilizing pond 7 with the medicament in disinfectant solution tank 19 in overflow launder, sterilizes
Medicament is NaClO in flow container 19, is carried out disinfection sterilization to waste water, and retain certain chlorine residue, by net on sterilizing pond 7
Change water out 20 to discharge purified water；
8, sludge 1 at the top of guanite settling tank 2, heavy metal depth settling tank 3, the base sludge of flocculation basin 4 and flotation tank
By pipeline to sludge-tank 17, sludge is filtered through pressure filter 18 in sludge-tank 17, and filtrate is recycled to 1 import of flotation tank continuation
Filtering, filter residue send to incinerator and burn.
In summary, when the waste water at the utility model processing dangerous waste disposition center process flow it is short, without waste discharge, purification
Water water quality can reach " urban sewage reutilization urban reclaimed water water quality " (GB/T 18920-2002) and " integrated wastewater discharge
Standard " (GB 8978-1996) primary standard.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (4)
1. a kind of hazardous waste processing center waste water treatment system, which is characterized in that including by the sequentially connected flotation tank of overflow launder,
Guanite settling tank, heavy metal depth settling tank, flocculation basin and DC biological aerated filter, the DC effluent of aeration biological filter mouth
Connect sand filter by pipeline, the sand filter water outlet connects sterilizing pond, the flotation tank water inlet be equipped with grid,
Water outlet is equipped with pH on-line computing model, and pH is equipped between the flotation tank and guanite settling tank and adjusts tank, phosphoric acid salt cellar, ammonium
Ion tank and magnesium salts tank are equipped with organic sulfur grug feeding jar between the guanite settling tank and heavy metal depth settling tank, described heavy
It is equipped with flocculation tank between metal depth settling tank and flocculation basin, disinfectant solution tank is equipped between the sand filter and sterilizing pond,
The sterilizing pond is equipped with treated water outlet, and the guanite settling tank, heavy metal depth settling tank, the bottom of flocculation basin are dirty
Sludge is by pipeline to sludge-tank at the top of mud and flotation tank, and sludge is filtered through pressure filter in the sludge-tank, filtrate recycling
To flotation tank import, filter residue send to incinerator and burns.
2. a kind of hazardous waste processing center waste water treatment system according to claim 1, which is characterized in that the guanite is heavy
It drops and is equipped with a tilted-putted metal mesh in pond, water outlet is equipped with pH on-line computing model.
3. a kind of hazardous waste processing center waste water treatment system according to claim 1, which is characterized in that the flotation tank and
DC biological aerated filter provides gas source by air blower.
4. a kind of hazardous waste processing center waste water treatment system according to claim 1, which is characterized in that the pH is adjusted
The outlet of tank, phosphoric acid salt cellar, ammonium ion tank, magnesium salts tank, organic sulfur grug feeding jar and flocculation tank is set to the overflow launder of corresponding position
On, the outlet of the disinfectant solution tank is set to sterilizing pond water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921009395.6U CN209352733U (en) | 2019-07-01 | 2019-07-01 | A kind of hazardous waste processing center waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921009395.6U CN209352733U (en) | 2019-07-01 | 2019-07-01 | A kind of hazardous waste processing center waste water treatment system |
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| CN209352733U true CN209352733U (en) | 2019-09-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847797A (en) * | 2020-07-31 | 2020-10-30 | 中节能工程技术研究院有限公司 | Zero-emission treatment system and method for leachate of waste incineration plant |
| CN113135784A (en) * | 2021-04-01 | 2021-07-20 | 广州维港环保科技有限公司 | System and process for aerobic fermentation and resource utilization of fruit and vegetable garbage |
| WO2022003371A1 (en) * | 2020-07-02 | 2022-01-06 | CCm Technologies Limited | Method and apparatus for removing phosphates from water |
-
2019
- 2019-07-01 CN CN201921009395.6U patent/CN209352733U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022003371A1 (en) * | 2020-07-02 | 2022-01-06 | CCm Technologies Limited | Method and apparatus for removing phosphates from water |
| GB2598196A (en) * | 2020-07-02 | 2022-02-23 | Ccm Tech Limited | Improvements in relation to waste treatment |
| CN111847797A (en) * | 2020-07-31 | 2020-10-30 | 中节能工程技术研究院有限公司 | Zero-emission treatment system and method for leachate of waste incineration plant |
| CN113135784A (en) * | 2021-04-01 | 2021-07-20 | 广州维港环保科技有限公司 | System and process for aerobic fermentation and resource utilization of fruit and vegetable garbage |
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