CN208454714U - A kind of coking advanced waste treatment system - Google Patents
A kind of coking advanced waste treatment system Download PDFInfo
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- CN208454714U CN208454714U CN201820852808.6U CN201820852808U CN208454714U CN 208454714 U CN208454714 U CN 208454714U CN 201820852808 U CN201820852808 U CN 201820852808U CN 208454714 U CN208454714 U CN 208454714U
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Abstract
The utility model discloses a kind of coking advanced waste treatment systems, including wastewater collection pond, delivery pump, bubble trap, membrane filter, oxidative decoloration device, multiple photocatalysis treatment devices, ozone generator, exhaust gas treating device and multiple ozone recyclable devices, wastewater collection pond, delivery pump, bubble trap, membrane filter, oxidative decoloration device and multiple photocatalysis treatment devices are sequentially connected along water (flow) direction, ozone generator passes through appendix and bubble trap, the air inlet of oxidative decoloration device and multiple photocatalysis treatment devices is separately connected, exhaust gas treating device passes through blast main and bubble trap, the gas outlet of oxidative decoloration device and multiple photocatalysis treatment devices is separately connected；Each ozone recyclable device is connected with a Catalytic processor.The utility model decomposes different organic matters using the light source catalyzed combination ozone of multiple and different wavelength and the gas chromatography in waste water is decomposed, and obtains good effect.
Description
Technical field
The utility model relates to technical field of waste water processing, particularly, are related to a kind of coking advanced waste treatment system.
Background technique
Coking wastewater is the waste water that coking of coal process generates, phenols, benzene homologues, heterocyclic compound containing high concentration, more
The organic pollutants such as cycle compound, and with high salt, high ammonia nitrogen are a kind of intractable industrial wastewaters.Currently, coking wastewater deep
The technology of processing specifically includes that
(1), membrane separation technique.For coking wastewater, at present at the main bi-membrane method using (ultrafiltration+reverse osmosis)
Reason, reverse osmosis produced water reach the water standard of industrial circulating cooling water reuse；But due in reverse osmosis process only will be dirty
Dye substance is concentrated rather than fundamentally removes, therefore also needs to solve the problems, such as the whereabouts of reverse osmosis concentrated liquid, has one at present
Determine application limitation.
(2), flocculent precipitation.Currently, common inorganic flocculating agent includes polyaluminium sulfate (PFS), aluminium polychloride
(PAC), common organic flocculant is poly- propionamide (PAM).There are the development and utilization of some new flocculants at present, such as studies
The effects of different flocculant process coking wastewaters, discovery Na2Fe04 have excellent decoloration, removing CODCr performance.For
Flocculence advanced treatment on coking wastewater, flocculant is different, and removal effect difference is very big.
(3), absorption method.Currently used adsorbent includes active carbon, zeolite, flyash, shell etc..Such as compare boiling
The effect of stone and active carbon to coking wastewater deep treatment.There are also use coal quality charcoal, fruit for the coking wastewater after biochemical treatment
Shell charcoal and coconut husk charcoal processing can make water outlet COD reach 100mg/L hereinafter, coal quality charcoal is most suitable for for reuse technology, and is carried out
(coagulation+active carbon) handles the coking wastewater after secondary biochemical, can achieve the effect of water outlet COD < 50mg/L.Although absorption
Method is preferable to coking water treatment effect, but adsorbent reactivation has certain difficulty.
(4), advanced oxidation processes.Advanced oxidization method mainly include Fenton oxidation, catalytic ozonation, electrocatalytic oxidation,
Catalytic wet air oxidation etc..Although high-level oxidation technology is efficient with it, is taken seriously to the advantages that COD non-selectivity, exist
Many researchs are done during coking wastewater deep treatment, but its operating cost is relatively high.
Therefore, those skilled in the art needs to research and develop a kind of coking advanced waste treatment system, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of coking advanced waste treatment systems, are urged using the light source of different wave length
Change and ozone is combined to decompose different organic matters, so that the gas chromatography in waste water is decomposed, obtains good effect.
To achieve the above object, the utility model provides a kind of coking advanced waste treatment system, including wastewater collection
Pond, delivery pump, bubble trap, membrane filter, oxidative decoloration device, at least one photocatalysis treatment device, ozone generator and tail gas
Manage device, the wastewater collection pond, delivery pump, bubble trap, membrane filter, oxidative decoloration device and at least one photocatalysis treatment device edge
Water (flow) direction is sequentially connected, and the ozone generator passes through appendix and the bubble trap, oxidative decoloration device and at least one light
The air inlet of Catalytic processor is separately connected, the exhaust gas treating device by blast main and the bubble trap, oxidative decoloration device and
The gas outlet of at least one photocatalysis treatment device is separately connected.
Further, the processing system includes three photocatalysis treatment devices being sequentially connected along water (flow) direction, most
The water inlet of previous photocatalysis treatment device is connected with the water outlet of the oxidative decoloration device, the last one described photocatalysis treatment
The water outlet of device is qualified water outlet；The air inlet of three photocatalysis treatment devices passes through appendix and the ozone respectively
Generator connection, the gas outlet of three photocatalysis treatment devices passes through blast main respectively and connect with the exhaust gas treating device.
Further, the water outlet of each photocatalysis treatment device includes the first water outlet and the second water outlet, often
The air inlet of a photocatalysis treatment device includes the first air inlet and the second air inlet, and the of previous photocatalysis treatment device
One water outlet is connected with the water inlet of the latter photocatalysis treatment device, the first air inlet of three photocatalysis treatment devices with
The ozone generator is connected；The processing system further includes three ozone recyclable devices, each ozone recyclable device with
One Catalytic processor is connected；Each ozone recyclable device includes ejector and ozone recycles mixer, described to penetrate
The ozone access port of stream device is connect with the second water outlet of blast main and the photocatalysis treatment device, the water outlet of the ejector
Mouth is connect with the water inlet of ozone recycling mixer；The water outlet of the ozone recycling mixer and the photocatalysis treatment
The water inlet of device connects, and the gas outlet of the ozone recycling mixer is connect with the second water outlet of the photocatalysis treatment device.
Further, photocatalysis treatment device described in the bubble trap, the oxidative decoloration device and the first two is respective out
The mouth of a river is above its water inlet, and the water inlet of the last one photocatalysis treatment device is higher than its water outlet.
Further, the substrate level of the oxidative decoloration device and three photocatalysis treatment devices along water (flow) direction successively
Reduce by 5~30cm.
Further, longitudinally disposed filter membrane is equipped in the membrane filter, the water inlet side bottom of the membrane filter is set
There is slag notch.
Compared with the prior art, the utility model has the following beneficial effects:
(1), the coking advanced waste treatment system of the utility model, wastewater collection pond, delivery pump, bubble trap, film filtering
Device, oxidative decoloration device, at least one photocatalysis treatment device, ozone generator and exhaust gas treating device；Coking wastewater is preserved in waste water
It being handled in collecting pit, the burnt waste water of original that treated passes sequentially through bubble trap, membrane filter and oxidative decoloration device and is handled,
The granulometric impurity being effectively removed in waste water, and carry out oxidative decoloration；The ultraviolet light of photocatalysis treatment device is recycled to open organic
The chemical bond of pollutant removes oxygen atom with ozone fast decoupled, and oxygen atom is catalyzed into hydroxyl free root, accelerates oxidation reaction speed
Rate makes organic matter exhaustive oxidation at carbon dioxide and water；The processing system of the utility model, during processing without in addition adding
Add various medicaments, is also generated without new solid waste, secondary pollution will not be generated.
(2), the coking advanced waste treatment system of the utility model, three light including being sequentially connected along water (flow) direction are urged
Change processor, is catalyzed using the light source of multiple and different wavelength and ozone is combined to decompose different organic matters, so that more in waste water
Kind organic matter is decomposed, and good effect is obtained.
(3), the coking advanced waste treatment system of the utility model further includes three ozone recyclable devices, each ozone
Recyclable device is connected with a Catalytic processor；Ozone recyclable device is used for the unreacted ozone of recovery section, has shunted each
The water body of photocatalysis treatment device outflow, increases waste water and improves processing capacity in the residence time of photocatalysis treatment device, and can
To reduce the capacity of ozone generator.
(4), the coking advanced waste treatment system of the utility model, few easy workout part, replacement are quick；Occupied area is small, nothing
Need civil engineering；Running cost is low, and water process power consumption per ton is only 2.5 degree or so.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is a kind of structural schematic diagram of coking advanced waste treatment system preferred embodiment of the utility model；
Wherein, 1, wastewater collection pond, 2, delivery pump, 3, bubble trap, 4, membrane filter, 4.1, slag notch, 5, oxidative decoloration
Device, 6, photocatalysis treatment device, 7, ozone generator, 8, exhaust gas treating device, 9, ejector, 10, ozone recycle mixer, 11, defeated
Tracheae, 12, blast main.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Referring to Fig. 1, a kind of coking advanced waste treatment system of the utility model comprising wastewater collection pond 1, delivery pump
2, bubble trap 3, membrane filter 4, oxidative decoloration device 5, at least one photocatalysis treatment device 6, ozone generator 7 and exhaust gas treating device
8。
Wastewater collection pond, delivery pump, bubble trap, membrane filter, oxidative decoloration device and at least one photocatalysis treatment device edge
Water (flow) direction is sequentially connected；Preferably, the quantity of photocatalysis treatment device 6 is three, and three photocatalysis treatment devices are along water (flow) direction
It is sequentially connected, the water inlet of most previous photocatalysis treatment device is connected with the water outlet of oxidative decoloration device 5, the last one photocatalysis
The water outlet of processor is qualified water outlet.It will be appreciated by those skilled in the art that, the light of three photocatalysis treatment devices
Source wavelength is specifically set according to its organic matter to be treated.
Ozone generator passes through the air inlet of appendix 11 and bubble trap, oxidative decoloration device and three photocatalysis treatment devices point
It does not connect, provides required ozone for each processing unit.Exhaust gas treating device passes through blast main 12 and bubble trap, oxidative decoloration device and three
The gas outlet of a photocatalysis treatment device is separately connected, and the unreacted ozone of gas and part generated in treatment process passes through
Blast main enters exhaust gas treating device and is handled, and effectively tail gas is avoided to cause adverse effect to atmosphere.
In the present embodiment, the water outlet of each photocatalysis treatment device includes the first water outlet and the second water outlet, each
The air inlet of photocatalysis treatment device includes the first air inlet and the second air inlet.First water outlet of previous photocatalysis treatment device
Mouthful it is connected with the water inlet of the latter photocatalysis treatment device, the first air inlet of three photocatalysis treatment devices is and ozone generator
It is connected.
Further, the coking wastewater processing system of the utility model further includes three ozone recyclable devices, each ozone
Recyclable device is connected with one of them in above three photocatalysis treatment device；Each ozone recyclable device includes ejector 9
The second water outlet of mixer 10, the ozone access port of ejector and blast main and photocatalysis treatment device is recycled simultaneously with ozone
It is connected, the water outlet of ejector is connect with the water inlet of ozone recycling mixer；The water outlet of ozone recycling mixer is urged with light
The water inlet for changing processor is connected simultaneously, and ozone recycles the gas outlet of mixer and the second water outlet of photocatalysis treatment device connects
It connects.
In the present embodiment, bubble trap, oxidative decoloration device and the respective water outlet of the first two photocatalysis treatment device are above
The water inlet of its water inlet, the last one photocatalysis treatment device is higher than its water outlet.Specifically, the water outlet setting of bubble trap exists
The upper end, device is interior to be equipped with water segregator, and water flow is from bottom to up；Water in bubble trap flows automatically in filter from water outlet, filtering
Buffer barrel is equipped in device, and by being pumped into, the water in filter is flowed automatically in oxidative decoloration bucket, and oxidative decoloration device is urged with three light
The substrate level for changing processor successively reduces 10cm along water (flow) direction.Air-introduced machine is equipped in exhaust gas processing device.
In embodiment, the water inlet side bottom of membrane filter is equipped with slag notch 4.1, into micro- in the waste water of membrane filter
Grain impurity by membrane retention in water inlet side, and since gravity is deposited to bottom automatically, periodically by manually being arranged from slag notch
Otherwise processed out.
The coking advanced waste treatment system of the utility model, process flow approximately as:
(1), coking wastewater is preserved is handled in wastewater collection pond (conditioning tank), is substantially free of the original of slag after processing
Coking wastewater is pumped into bubble trap by delivery pump, and after reaching certain liquid level in bubble trap, ozone progress is passed through in bubble trap
Catalysis oxidation, with the organic matter in Decomposition Wastewater；Extra gas (the unreacted ozone containing part) accesses total wind in bubble trap
Pipe.
(2), in the waste water access membrane filter after de-bubble, to remove the granulometric impurity in waste water, (a small amount of recrement is from filtering
The slag notch of device bottom is expelled to fixed-end forces station.
(3), filtered water body flows into oxidative decoloration device, after the waste water flowed into oxidative decoloration device reaches certain liquid level
It is passed through ozone, oxidative decoloration is carried out to waste water；Extra is incorporated to blast main containing ozone gas.
(4), the water body after oxidative decoloration is from flowing into most previous photocatalysis treatment device, and opening should after reaching certain liquid level
The light source of photocatalysis treatment device is simultaneously passed through ozone, carries out first order photochemical catalytic oxidation resolution process；Extra contains ozone gas simultaneously
Enter blast main；
(5), an intermediate photocatalysis treatment device is flowed into through most previous photocatalysis treatment device treated water body, reaches one
It is passed through the light source that ozone opens the photocatalysis treatment device after determining liquid level, carries out second level photochemical catalytic oxidation resolution process；Extra
Blast main is incorporated to containing ozone gas；
(6), through an intermediate photocatalysis treatment device, treated that water body enters the last one photocatalysis treatment device, reaches one
It is passed through the light source that ozone opens the photocatalysis treatment device after determining liquid level, carries out third level photochemical catalytic oxidation resolution process；Through handling
Effluent quality COD afterwards is lower than 40mg/L, and ammonia nitrogen is lower than 5mg/L, and water outlet total cyanogen is lower than 0.2mg/L；Reach discharge standard, completely
The required water of enterprise's production technology can be back to.
The extra ozone gas that contains is incorporated to blast main emptying up to standard after exhaust gas treating device is handled in above-mentioned process flow.
The utility model is that each photocatalysis treatment device respectively connects an ozone recyclable device, unreacted in recovery section
While ozone, the water body of the outflow of three photocatalysis treatment devices has been shunted, has increased waste water in the stop of each processor
Between, processing capacity is improved, and the capacity of ozone generator can be mitigated.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of coking advanced waste treatment system, which is characterized in that including wastewater collection pond (1), delivery pump (2), bubble trap
(3), membrane filter (4), oxidative decoloration device (5), at least one photocatalysis treatment device (6), ozone generator (7) and vent gas treatment
Device (8), the wastewater collection pond, delivery pump, bubble trap, membrane filter, oxidative decoloration device and at least one photocatalysis treatment device
It is sequentially connected along water (flow) direction, the ozone generator passes through appendix (11) and the bubble trap, oxidative decoloration device and at least
The air inlet of one photocatalysis treatment device is separately connected, and the exhaust gas treating device passes through blast main (12) and the bubble trap, oxygen
The gas outlet for changing decolorizer and at least one photocatalysis treatment device is separately connected.
2. coking advanced waste treatment system according to claim 1, which is characterized in that the processing system includes along water
Three photocatalysis treatment devices (6) that stream direction is sequentially connected, the water inlet and the oxygen of most previous photocatalysis treatment device
The water outlet for changing decolorizer (5) is connected, and the water outlet of the last one photocatalysis treatment device is qualified water outlet；Three institutes
The air inlet for stating photocatalysis treatment device passes through appendix (11) respectively and connect with the ozone generator (7), and three light are urged
The gas outlet for changing processor passes through blast main respectively and connect with the exhaust gas treating device (8).
3. coking advanced waste treatment system according to claim 2, which is characterized in that each photocatalysis treatment device
Water outlet include the first water outlet and the second water outlet, the air inlet of each photocatalysis treatment device include first into
Port and the second air inlet, the water inlet phase of the first water outlet and the latter photocatalysis treatment device of previous photocatalysis treatment device
Even, the first air inlet of three photocatalysis treatment devices is connected with the ozone generator；The processing system further includes
Three ozone recyclable devices, each ozone recyclable device are connected with a Catalytic processor；Each ozone recycling
Device includes ejector (9) and ozone recycling mixer (10), ozone access port and blast main and the institute of the ejector
State the second water outlet connection of photocatalysis treatment device, the water inlet of the water outlet of the ejector and ozone recycling mixer
Connection；The water outlet of the ozone recycling mixer is connect with the water inlet of the photocatalysis treatment device, and the ozone recycling is mixed
The gas outlet of clutch is connect with the second water outlet of the photocatalysis treatment device.
4. coking advanced waste treatment system according to claim 2, which is characterized in that the bubble trap, the oxidation
The respective water outlet of photocatalysis treatment device described in decolorizer and the first two is above its water inlet, the last one described photocatalysis
The water inlet of processor is higher than its water outlet.
5. coking advanced waste treatment system according to claim 2, which is characterized in that the oxidative decoloration device and three
The substrate level of the photocatalysis treatment device successively reduces by 5~30cm along water (flow) direction.
6. coking advanced waste treatment system according to claim 1, which is characterized in that be equipped in the membrane filter vertical
To the filter membrane of setting, the water inlet side bottom of the membrane filter is equipped with slag notch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820852808.6U CN208454714U (en) | 2018-06-01 | 2018-06-01 | A kind of coking advanced waste treatment system |
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| CN201820852808.6U CN208454714U (en) | 2018-06-01 | 2018-06-01 | A kind of coking advanced waste treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054331A (en) * | 2019-04-23 | 2019-07-26 | 苏州劼平泰环保科技有限公司 | A kind of Die Casting Plant wastewater treatment method |
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2018
- 2018-06-01 CN CN201820852808.6U patent/CN208454714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054331A (en) * | 2019-04-23 | 2019-07-26 | 苏州劼平泰环保科技有限公司 | A kind of Die Casting Plant wastewater treatment method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200309 Address after: No. 11, building 58, Lugu Jinyuan, No. 350, xianjiahu West Road, Changsha hi tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan JINGMAO Environmental Protection Technology Co., Ltd Address before: 410000 No. 11, 58 Building, Lugu Jinyuan, 350 Xianjiahu West Road, Changsha High-tech Development Zone, Hunan Province Patentee before: Jiang Jinghua |