CN209456256U - Treated sewage reusing processing system - Google Patents
Treated sewage reusing processing system Download PDFInfo
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- CN209456256U CN209456256U CN201920081703.XU CN201920081703U CN209456256U CN 209456256 U CN209456256 U CN 209456256U CN 201920081703 U CN201920081703 U CN 201920081703U CN 209456256 U CN209456256 U CN 209456256U
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- 238000012545 processing Methods 0.000 title claims abstract description 98
- 239000010865 sewage Substances 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000012528 membrane Substances 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 66
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 64
- 239000002699 waste material Substances 0.000 claims abstract description 64
- 230000008569 process Effects 0.000 claims abstract description 62
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- 238000000108 ultra-filtration Methods 0.000 claims abstract description 29
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- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000006386 neutralization reaction Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000000084 colloidal system Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 241000894006 Bacteria Species 0.000 abstract description 10
- 241000700605 Viruses Species 0.000 abstract description 9
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- 235000013619 trace mineral Nutrition 0.000 abstract description 7
- 239000011573 trace mineral Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 4
- 239000004021 humic acid Substances 0.000 description 4
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a kind of Treated sewage reusing processing system, is related to water resource recovery processing technical field, the Treated sewage reusing processing system includes that pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water blend/reuse unit；The catalytic degradation unit is mainly made of ozone catalytic pond and biological aerated filter；The film process unit includes at least one set of UF membrane group being made of ultrafiltration membrane and reverse osmosis membrane.Mutual cooperation, support of the utility model by above-mentioned each unit, and mutual restriction and collocation between connection relationship, the treatment effect to oil refining brine waste can substantially be mentioned, can degradation of organic substances, pigment, Harmful Trace Elements more effectively be difficult to in oil refining brine waste, and bacterium, virus etc. are separated, the operating pressure of film process is reduced by the way that pretreatment unit, catalytic degradation unit and filter element are arranged before film process unit simultaneously, there is preferable environment and economic benefit.
Description
Technical field
The utility model relates to water resources to be recycled technical field, more particularly, to a kind of Treated sewage reusing processing system.
Background technique
In recent years, China's oil chemical engineering industry has obtained quick development, and consequent is oil refining sewerage discharge amount
Increase year by year.Currently, shortage of water resources and water pollution, which seriously have become, restricts Chinese society economic development and people's lives water
Flat an important factor for improving.With the quickening of Urbanization in China, water resources shortage and the serious problem of water pollution will become
It is more prominent.In this context, sewage is stable as a kind of water, supplies reliable Ecology highlights, at waste water
The research of reason technology and reuse technology is particularly important.After refining oil processing of the brine waste Jing Guo certain technique, as recycled water
Reuse, not only can be improved the utilization rate of water resource, more save a large amount of water resource, and can effectively alleviate shortage of water resources
Contradiction.
Existing intermediate water reuse system is mostly using some coagulations, precipitating, the traditional treatment method of absorption to oil refining
Brine waste is handled, but these conventional methods are to the organic matter for being difficult to degrade, pigment, the Harmful Trace Elements in draining,
And bacterium, virus etc. cannot be separated well.In recent years, there are also schemes returns membrane processing method applied to middle water
With system, certain effect is achieved, not only the removal rate of suspended solid is very high, but also the bacterial population in draining is obtained with virus
To good separation.But there is also more disadvantages for these existing membrane processing methods for Treated sewage reusing, and such as: anti-impact
It is poor to hit ability；There is no hardness regulating system before film, is not suitable for the biggish water quality of firmness change；There is no disinfection system before film, it is micro-
The service life of biological pollution influence membrane component；What film process was selected is all the filtering of ultrafiltration grade, and effect etc. is not removed to ion
Problem causes middle water applicability after processing poor, is unable to satisfy corresponding application demand.
Therefore, it needs to research and develop a kind of Treated sewage reusing processing that can carry out oil refining brine waste resource utilization
System to meet the growing sewage treatment requirement of people, and then promotes environment and economic coordinated development, very must become
Will with it is urgent.
In view of this, special propose the utility model.
Utility model content
The first of the utility model is designed to provide a kind of Treated sewage reusing processing system, the Treated sewage reusing processing system
It can be effectively reduced the content of pollutant in oil refining brine waste, the processing pressure of film process unit in reduction system, so that place
Oil refining brine waste after reason meets reuse standard, and processing cost is low, improves processing capacity and intermediate water reuse system
Service life.
A kind of Treated sewage reusing processing system provided by the utility model, the Treated sewage reusing processing system include that pretreatment is single
Member, catalytic degradation unit, filter element, film process unit and middle water blend/reuse unit；
The pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water blends/reuse unit according to
Secondary pipeline connection；
The catalytic degradation unit is mainly made of ozone catalytic pond and biological aerated filter；
The film process unit includes at least one set of UF membrane group being made of ultrafiltration membrane and reverse osmosis membrane.
As further preferred technical solution, the pretreatment unit includes settling pond and neutralization pond；
The settling pond is used to adjust the hardness of oil refining brine waste, settling suspension object and colloid；The neutralization pond
For adjusting the pH value of oil refining brine waste.
As further preferred technical solution, the filter element is made of at least one more medium filter；
The more medium filter is for refining oil pre-filtering of the brine waste before film process；
As further preferred technical solution, plate is additionally provided between the filter element and film process unit and changes unit.
Further, it is the temperature that plate heat exchanger is used to adjust oil refining brine waste that the plate, which changes unit,.
As further preferred technical solution, the UF membrane group is made of ultrafiltration membrane and reverse osmosis membrane；The ultrafiltration membrane
For retaining the macromolecular substances in oil refining brine waste, the reverse osmosis membrane is used to remove the salt object in oil refining brine waste
Matter.
Further, basket filter is additionally provided with before the ultrafiltration membrane inlet duct；
Cartridge filter is additionally provided with before the reverse osmosis membrane inlet duct.
Further, the reverse osmosis membrane is the anti-pollution reverse osmosis membrane for being discharged conductance < 50us/cm.
As further preferred technical solution, the catalytic degradation unit can also blend/reuse unit pipe with middle water
Connection, for blending for reuse water.
As further preferred technical solution, the pretreatment unit, catalytic degradation unit, filter element, film process list
It is first blend with middle water/pipeline that connects of reuse unit on be provided with water pump.
Compared with prior art, the utility model has the following beneficial effects:
Treated sewage reusing processing system provided by the utility model, the Treated sewage reusing processing system include pretreatment unit,
Catalytic degradation unit, filter element, film process unit and middle water blend/reuse unit；The pretreatment unit, catalytic degradation list
Member, filter element, film process unit blend with middle water/and successively pipeline is connected to reuse unit；The catalytic degradation unit mainly by
Ozone catalytic pond and biological aerated filter composition；The film process unit includes that at least one set is made of ultrafiltration membrane and reverse osmosis membrane
UF membrane group.The utility model by mutual restriction between the mutual cooperation of above-mentioned each unit, support and connection relationship with
Collocation can greatly improve the treatment effect of oil refining brine waste, more effectively can be difficult to degrade in oil refining brine waste
Organic matter, pigment, Harmful Trace Elements and bacterium, virus etc. are separated, while pre- by being arranged before film process unit
Processing unit, catalytic degradation unit and filter element reduce the operating pressure of film process, improve processing capacity, have preferable ring
Border benefit and higher economic benefit.Meanwhile the Processing System Design is reasonable, operational management is easy, easy to implement, is processed into
This low, stable and reliable operation can save space, reduce occupied area, to the processing of oil refining brine waste provide one it is low at
Originally, efficient solution route.
Brine waste is refined oil in the continual and steady processing of the recycling processing system of water among the above energy provided by the utility model, makes to locate
The indexs stably reaching standard such as conductivity, COD, suspended solid, ammonia nitrogen of middle water after reason meets man, industrial reuse land that abounds in rivers and lakes
Standard is discharged recyclable technical effect, municipal wastewater processing load can be effectively relieved, and can be effectively relieved in traditional
Middle water applicability is poor after water treatment system processing, it is difficult to reach that industrial reuse water national standard and cost of investment be big, place
Manage problem at high cost.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the Treated sewage reusing processing system flowage structure schematic diagram that embodiment 1 provides；
Fig. 2 is the film process cellular construction schematic diagram including basket filter and cartridge filter that embodiment 1 provides；
Fig. 3 is the Treated sewage reusing processing system flowage structure schematic diagram that embodiment 2 provides.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.In order to facilitate it is clearer understand the utility model, it is now practical new to this by specific embodiment
Type is described in detail.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
One aspect according to the present utility model, a kind of Treated sewage reusing processing system, the Treated sewage reusing processing system packet
It includes pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water and blends/reuse unit；
The pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water blends/reuse unit according to
Secondary pipeline connection；
The catalytic degradation unit is mainly made of ozone catalytic pond and biological aerated filter；
The film process unit includes at least one set of UF membrane group being made of ultrafiltration membrane and reverse osmosis membrane.
Complicated in view of existing oil refining brine waste comparison of ingredients, existing traditional intermediate water reuse system contains oil refining
It is difficult to degradation of organic substances, pigment, Harmful Trace Elements and bacterium, virus etc. in salt waste water and cannot be divided well
From.Meanwhile although membrane processing method, which is applied to intermediate water reuse system, in recent years achieves certain effect, membrane processing method
A series of problems, such as it is poor that there are impact resistances, and microbial contamination influences the service life of membrane component causes middle water after processing suitable
It is poor with property, it is unable to satisfy corresponding application demand.The utility model creativeness provides a kind of novel Treated sewage reusing
Processing system improves processing capacity, treated, and reuse water can sufficiently meet to reach the operating pressure for reducing film process
Corresponding recirculated water reuse standard can achieve the purpose directly recycled, and have found the specific skill for realizing the purpose
Art means greatly improve water outlet quality with these technological means, reduce the processing pressure of film process, improve intermediate water reuse system
Service life, realize the indexs stably reaching standard such as conductivity, COD, suspended solid, ammonia nitrogen of water during treated, it is full
Sufficient industrial reuse water national standard, is discharged recyclable technical effect.
Concretely, Treated sewage reusing processing system provided by the utility model, the Treated sewage reusing processing system include pre-
Processing unit, catalytic degradation unit, filter element, film process unit and middle water blend/reuse unit；The pretreatment unit,
Catalytic degradation unit, filter element, film process unit blend with middle water/and successively pipeline is connected to reuse unit；The catalytic degradation
Unit is mainly made of ozone catalytic pond and biological aerated filter；The film process unit includes at least one set of by ultrafiltration membrane and anti-
The UF membrane group of permeable membrane composition.Between mutual cooperation, support and connection relationship that the utility model passes through above-mentioned each unit
It mutually restricts and arranges in pairs or groups, the treatment effect of oil refining brine waste can be greatly improved, it can be more effectively in oil refining brine waste
Be difficult to degradation of organic substances, pigment, Harmful Trace Elements and bacterium, virus etc. separated, and by film process list
Setting pretreatment unit, catalytic degradation unit and filter element reduce the operating pressure of film process before first, improve processing capacity, tool
There are preferable environment and economic benefit.Meanwhile the Processing System Design is reasonable, operational management is easy, easy to implement, processing cost
Low, stable and reliable operation can save space, reduce occupied area, to the processing of oil refining brine waste provide a low cost,
Efficient solution route.
Brine waste is refined oil in the continual and steady processing of Treated sewage reusing processing system energy provided by the utility model, after making processing
The indexs stably reaching standard such as conductivity, COD, suspended solid, the ammonia nitrogen of middle water, meet industrial reuse water national standard,
The Ke Xunhuanliyong technical effect of water outlet, can be effectively relieved municipal wastewater processing load, and traditional sewerage disposing is effectively relieved
Middle water applicability is poor after system processing, it is difficult to reach industrial reuse water national standard, cost of investment are big, take up a large area,
The high problem of processing cost.
It is demonstrated experimentally that above-mentioned intermediate water reuse system is difficult to degradation of organic substances, pigment, toxic micro- in oil refining brine waste
Secondary element and bacterium, virus etc. can be good at separating.Meanwhile by the way that pretreatment unit is arranged before film process unit, urges
Changing degradation unit and filter element reduces the operating pressure of film process, improves processing capacity, existing Treated sewage reusing has been effectively relieved
The problems such as system water body hardness is high or microbial contamination influences the service life of membrane component.Treated, and reuse water can be abundant
Meet industrial circulation water treatment and is related to the requirement of supplement water water quality indicator inside specification (GB50050-2007) and middle petrochemical industry.
It should be noted that above-mentioned " middle water blends/reuse unit " represented is that the unit can be used as middle water and blend list
Member can be used as Treated sewage reusing unit, it can is recycled, can also be store for Urban Recycled Water System as reuse water unit
It deposits or by other processing as other purposes.
In a kind of preferred embodiment of the utility model, the pretreatment unit includes settling pond and neutralization
Pond；
The settling pond is used to adjust the hardness of oil refining brine waste, settling suspension object and colloid；The neutralization pond
For adjusting the pH value of oil refining brine waste.
As a preferred embodiment, above-mentioned pretreatment unit includes the settling pond and neutralization pond being connected；
Preferably, water pump is provided on the pipeline that the settling pond is connected with neutralization pond.
According to the utility model, oil refining brine waste to be processed enters pretreatment unit and is pre-processed, first into
Enter settling pond, settling pond is interior by adding sodium carbonate, sodium hydroxide, flocculant, flocculation aid, reduces hard in sewage
The pollutants such as degree, suspended matter, colloid, subsequently enter neutralization pond, and neutralization pond adjusts the pH of oil refining brine waste by adding sulfuric acid
Value, and then the hardness and clarity for refining oil brine waste are reduced by pretreatment unit, and pH value is adjusted to reasonable level, with
Processing conducive to subsequent processing units to oil refining brine waste.
Preferably, suspension content < 10mg/L of neutralization pond pipeline exit, turbid after the processing of above-mentioned pretreatment unit
Spend < 3NTU, total alkalinity (with calcium carbonate) < 80mg/L, total hardness (with calcium carbonate) < 100mg/L.
It is understood that the settling pond of the utility model and the specific structure of neutralization pond do not do it is specifically limited, can
Using structure type commonly used in the art, as long as not generating limitation to the purpose of this utility model.For settling pond
It is special that pH adjusting agent used in the sodium carbonate of middle use, sodium hydroxide, flocculant, flocculation aid and neutralization pond is not done yet
Various inorganic agents commonly used in the art, concrete type can be used as long as achieving the effect that the utility model needs in limitation
It is that those skilled in the art can learn with selecting for content, the utility model be not described in detail herein.
In a kind of preferred embodiment of the utility model, the catalytic degradation unit is mainly by ozone catalytic pond and exposure
Gas biofilter composition.
As a preferred embodiment, the ozone catalytic pond that above-mentioned catalytic degradation unit is mainly connected by successively pipeline
It is formed with biological aerated filter.Oil refining brine waste after preprocessed cell processing enters catalytic degradation unit by pipeline,
It initially enters ozone catalytic pond and carries out ozone catalytic, ozone is higher to the reactivity of humic acid, can be degraded to low molecule
The carboxylic acid of amount and it is some have alcohols material, and then the effect of humic acid and multivalent metal cation and micelle in water has been effectively relieved
Be adsorbed in caused by post-processing film and separate membrane pollution problem, subsequently enter biological aerated filter further remove suspended solid,
Harmful substance, and reduce the content of COD, BOD and nitrogen, phosphorus, and then water quality when ensuring later period film process, reduce membrane component
It is likely to occur the risk of biological pollution.
Preferably, COD content the < 50mg/L, ammonia nitrogen < of the pipeline exit after above-mentioned catalytic degradation cell processing
2mg/L。
In a kind of preferred embodiment of the utility model, the filter element is by least one more medium filter group
At；
The more medium filter is for refining oil pre-filtering of the brine waste before film process.
Preferably, the partial size of the more medium filter filtrate medium is 0.5~1.0mm.The utility model refines oil saliferous
Waste water is after filter element filters, turbidity < 1NTU, the suspended matter < 5mg/L, COD < of more medium filter exit water
40mg/L, pollution index are less than 4.
It is furthermore preferred that the filter element can to meet requirement of a variety of different film process workpiece to pretreating sewage
To be made of multiple more medium filters.
It should be noted that the ozone catalytic pond of the utility model, biological aerated filter and more medium filter it is specific
Structure is not done specifically limited, and structure type commonly used in the art can be used, as long as not generating limitation to the purpose of this utility model
?.
In a kind of preferred embodiment of the utility model, it is additionally provided between the filter element and film process unit
Plate changes unit.
In above-mentioned preferred embodiment, it is the temperature that plate heat exchanger is used to adjust oil refining brine waste that the plate, which changes unit,
Degree.
As a preferred embodiment, above-mentioned plate heat exchanger can be used for adjusting the temperature of oil refining brine waste,
And then guarantee that the temperature during film process is kept constant.
Preferably, the temperature of brine waste is refined oil after above-mentioned plate heat exchanger processing is 20~25 DEG C.
In a kind of preferred embodiment of the utility model, the UF membrane group is made of ultrafiltration membrane and reverse osmosis membrane；
The ultrafiltration membrane is used to retain the macromolecular substances in oil refining brine waste, and the reverse osmosis membrane is for removing oil refining brine waste
In salts substances.
Preferably, treatment sewage ultra-filtration water water turbidity < 1NTU, pollution index < after ultrafiltration membrane treatment
3, ss < 0.2mg/L, microorganism, bacterium, Escherichia coli, pathogen removal rate > 99%；It can be removed after the reverse osmosis membrane processing
Fall in water 95% or more salts substances.
It is furthermore preferred that the ultrafiltration membrane is set to before reverse osmosis membrane, ultrafiltration membrane can retain most of macromolecular in advance
Substance, and then protect reverse osmosis membrane.
In above-mentioned preferred embodiment, basket filter is additionally provided with before the ultrafiltration membrane inlet duct；The reverse osmosis
Cartridge filter is additionally provided with before permeable membrane inlet duct.Above-mentioned basket or cartridge filter can be according to ultrafiltration membrane or reverse osmosis membrane
Requirement to treatment sewage selects.
In a kind of preferred embodiment of the utility model, above-mentioned reverse osmosis membrane is to be discharged resisting for conductance < 50us/cm
Pollute reverse osmosis membrane.
In above-mentioned preferred embodiment, the catalytic degradation unit can also blend/reuse unit pipe company with middle water
It connects, for blending for reuse water.
As a preferred embodiment, above-mentioned catalytic degradation unit can also blend/reuse unit pipe with middle water
Connection, and then according to different application operating conditions, recycle-water is blent, and then save process costs, is improved at Treated sewage reusing
The economy of reason system.
In a kind of preferred embodiment of the utility model, the pretreatment unit, catalytic degradation unit, filtering are single
Member, film process unit blend with middle water/pipeline that connects of reuse unit on be provided with water pump.
As a preferred embodiment, above-mentioned pretreatment unit, catalytic degradation unit, filter element, film process list
It is first blend with middle water/pipeline that connects of reuse unit on be provided with water pump, and then more convenient processing water is throughout managed into list
It is adjusted between member.
One aspect according to the present utility model, water recycling processing system is in oil refining brine waste process field among the above
Application.
The application of the recycling processing system of water among the above provided by the utility model, which can be extensive
Applied to oil refining brine waste process field.
The technical solution of the utility model is described further below in conjunction with embodiment and attached drawing.
Embodiment 1
As shown in Figure 1, a kind of Treated sewage reusing processing system, the Treated sewage reusing processing system includes pretreatment unit, urges
Change degradation unit, filter element, film process unit and middle water and blends/reuse unit；
The pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water blends/reuse unit according to
Secondary pipeline connection；
The catalytic degradation unit is mainly made of ozone catalytic pond and biological aerated filter；
The film process unit includes at least one set of UF membrane group being made of ultrafiltration membrane and reverse osmosis membrane.
Mutual system between water recycling processing system passes through each unit among the above mutual cooperation, support and connection relationship
It about and arranges in pairs or groups, the treatment effect of oil refining brine waste can be greatly improved, can be more effectively difficult to in oil refining brine waste
Degradation of organic substances, pigment, Harmful Trace Elements and bacterium, virus etc. are separated, while by setting before film process unit
Setting pretreatment unit, catalytic degradation unit and filter element reduces the operating pressure of film process, improves processing capacity, has preferable
Environmental benefit and higher economic benefit.Meanwhile the Processing System Design is reasonable, operational management is easy, easy to implement, place
At low cost, stable and reliable operation is managed, space can be saved, reduces occupied area, provides one to the processing of oil refining brine waste
Inexpensive, efficient solution route.
The pretreatment unit include include the settling pond and neutralization pond being connected, the settling pond and neutralization
Water pump is provided on the pipeline of pond connection.
The settling pond is used to adjust the hardness of oil refining brine waste, settling suspension object and colloid；The neutralization pond
For adjusting the pH value of oil refining brine waste.Oil refining brine waste to be processed enters pretreatment unit and is pre-processed, first
It is introduced into settling pond, settling pond is interior by adding sodium carbonate, sodium hydroxide, flocculant, flocculation aid, reduces in sewage
The pollutants such as hardness, suspended matter, colloid, the pH value for refining oil brine waste at this time is 9~11, is then refined oil in brine waste entrance
And pond, the pH value for refining oil brine waste is adjusted to 7~8.5 again by the method for adding sulfuric acid in neutralization pond, and then pass through
Pretreatment unit reduces the hardness and clarity of oil refining brine waste, and pH value is adjusted to reasonable level, in favor of subsequent place
Manage processing of the unit to oil refining brine waste.
After the processing of above-mentioned pretreatment unit, suspension content < 10mg/L, the turbidity < of neutralization pond pipeline exit
3NTU, total alkalinity (with calcium carbonate) < 80mg/L, total hardness (with calcium carbonate) < 100mg/L.
The catalytic degradation unit is mainly made of the ozone catalytic pond and biological aerated filter of the connection of successively pipeline.Through pre-
Oil refining brine waste after processing unit processes enters catalytic degradation unit by pipeline, and it is smelly to initially enter the progress of ozone catalytic pond
Oxygen catalysis, ozone is higher to the reactivity of humic acid, can be degraded to low molecular weight carboxylic acid and it is some have alcohols material,
And then the effect of humic acid and multivalent metal cation and micelle in water is effectively relieved and has been adsorbed in caused by post-processing film and has divided
It from membrane pollution problem, subsequently enters biological aerated filter and further removes suspended solid, harmful substance, and reduce COD, BOD, with
And the content of nitrogen, phosphorus, and then water quality when ensuring later period film process, reduce the risk that membrane component is likely to occur biological pollution.
Preferably, COD content the < 50mg/L, ammonia nitrogen < of the pipeline exit after above-mentioned catalytic degradation cell processing
2mg/L。
The filter element is made of at least one more medium filter, pre- before film process for refining oil brine waste
Filtering.
Preferably, the partial size of the more medium filter filtrate medium is 0.5~1.0mm.The utility model refines oil saliferous
Waste water is after filter element filters, turbidity < 1NTU, the suspended matter < 5mg/L, COD < of more medium filter exit water
40mg/L, pollution index are less than 4.
It is furthermore preferred that the filter element can to meet requirement of a variety of different film process workpiece to pretreating sewage
To be made of multiple more medium filters.
It is additionally provided with plate between the filter element and film process unit and changes unit, it is plate heat exchanger that the plate, which changes unit,
For adjusting the temperature of oil refining brine waste, and then guarantee that the temperature during film process is kept constant.
Preferably, the temperature of brine waste is refined oil after above-mentioned plate heat exchanger processing is 20~25 DEG C.
The UF membrane group is made of ultrafiltration membrane and reverse osmosis membrane.The ultrafiltration membrane is set to before reverse osmosis membrane, described
Ultrafiltration membrane can retain most of macromolecular substances in advance, and then protect reverse osmosis membrane, and the reverse osmosis membrane is for removing oil refining
Salts substances in brine waste.
Preferably, treatment sewage ultra-filtration water water turbidity < 1NTU, pollution index < after ultrafiltration membrane treatment
3, ss < 0.2mg/L, microorganism, bacterium, Escherichia coli, pathogen removal rate > 99%；It can be removed after the reverse osmosis membrane processing
Fall in water 95% or more salts substances.
As shown in Fig. 2, being additionally provided with basket filtering before the ultrafiltration membrane inlet duct in above-mentioned preferred embodiment
Device；Cartridge filter is additionally provided with before the reverse osmosis membrane inlet duct.Above-mentioned basket or cartridge filter can be according to ultrafiltration
The requirement of film or reverse osmosis membrane to treatment sewage selects.
In a kind of preferred embodiment of the utility model, above-mentioned reverse osmosis membrane is to be discharged resisting for conductance < 50us/cm
Pollute reverse osmosis membrane.
Preferably, above-mentioned pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water blend/reuse
Water pump is provided on the pipeline of unit connection, and then more convenient throughout manage processing water between unit is adjusted.
Embodiment 2
Treated sewage reusing processing system in the present embodiment is that improvement on that basis of example 1 obtains, and is disclosed in embodiment 1
Technology contents not repeated description, one disclosure of embodiment also belongs to the present embodiment disclosure, and the present embodiment is no longer
It repeats.
As shown in figure 3, the present embodiment is distinguished with embodiment 1, in Treated sewage reusing processing system provided in this embodiment
In system, the catalytic degradation unit can also blend with middle water/and reuse unit pipe connect, for blending for reuse water.
The middle water that the fields such as aquaculture, life reuse generate can reach corresponding by the processing system that embodiment 1 provides
Use standard, but reuse water required for the industries such as field irrigation, the maintenance of the green plant in city and road surface flushing, carwash
Requirement it is not high, the recycle-water that the Treated sewage reusing processing system provided by embodiment 1 obtains is utilized, economy compared with
Difference.
Preferably, the ratio of blending is adjusted according to the operating condition of water, the water after film process cell processing
Matter is good, and water blends the/poor quality of the water of reuse tank in the input of catalytic degradation unit, can freely be deployed according to operating condition.
It is furthermore preferred that the life recycle-water field film process unit water outlet is blent with what catalytic degradation unit was directly discharged
Ratio is 8:2.
Treated sewage reusing processing system provided in this embodiment, by that can also blend/return catalytic degradation unit with middle water
It is connected with unit pipe, and then according to different application operating conditions, recycle-water is blent, and then save process costs, improved
The economy of Treated sewage reusing processing system promotes environment and economic coordinated development.
Application examples
2 Treated sewage reusing processing system of above-described embodiment is applied in the large-scale Waste water treatment factory of Weifang, and should
The secondary sedimentation tank water outlet that sewage treatment plant generates is used as oil refining brine waste to be processed, and through the utility model processing system
The results are shown in Table 1 for the water quality detection of treated reuse water.
Table 1: Treated sewage reusing processing system water quality monitoring result before and after the processing
In conclusion Treated sewage reusing processing system provided by the utility model passes through the mutual cooperation of above-mentioned each unit, branch
Mutual restriction and collocation between support and connection relationship, can greatly improve the treatment effect of oil refining brine waste, can be more effective
To oil refining brine waste in be difficult to degradation of organic substances, pigment, Harmful Trace Elements and bacterium, virus etc. separate,
The operation pressure of film process is reduced by the way that pretreatment unit, catalytic degradation unit and filter element are arranged before film process unit simultaneously
Power improves processing capacity, has preferable environmental benefit and higher economic benefit, treated, and reuse water can be abundant
Meet industrial circulation water treatment and is related to the requirement of supplement water water quality indicator inside specification (GB50050-2007) and middle petrochemical industry.Together
When, the Processing System Design is reasonable, operational management is easy, easy to implement, and processing cost is low, stable and reliable operation, can save sky
Between, reduce occupied area, provides a low cost, efficient solution route to the processing of oil refining brine waste.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of Treated sewage reusing processing system, which is characterized in that the Treated sewage reusing processing system includes pretreatment unit, catalysis
Degradation unit, filter element, film process unit and middle water blend/reuse unit；
The pretreatment unit, catalytic degradation unit, filter element, film process unit and middle water blends/and reuse unit successively manages
Road connection；
The catalytic degradation unit is mainly made of ozone catalytic pond and biological aerated filter；
The film process unit includes at least one set of UF membrane group being made of ultrafiltration membrane and reverse osmosis membrane.
2. Treated sewage reusing processing system according to claim 1, which is characterized in that the pretreatment unit includes that precipitating is clear
Clear pond and neutralization pond；
The settling pond is used to adjust the hardness of oil refining brine waste, settling suspension object and colloid；The neutralization pond is used for
Adjust the pH value of oil refining brine waste.
3. Treated sewage reusing processing system according to claim 1, which is characterized in that the filter element is more by least one
Medium filter composition；
The more medium filter is for refining oil pre-filtering of the brine waste before film process.
4. Treated sewage reusing processing system according to claim 1, which is characterized in that the filter element and film process unit
Between be additionally provided with plate and change unit.
5. Treated sewage reusing processing system according to claim 4, which is characterized in that it is plate heat exchanger that the plate, which changes unit,
For adjusting the temperature of oil refining brine waste.
6. Treated sewage reusing processing system according to claim 1, which is characterized in that the UF membrane group is by ultrafiltration membrane and instead
Permeable membrane composition；The ultrafiltration membrane is used to retain the macromolecular substances in oil refining brine waste, and the reverse osmosis membrane is for removing
Refine oil the salts substances in brine waste.
7. Treated sewage reusing processing system according to claim 6, which is characterized in that also set before the ultrafiltration membrane inlet duct
It is equipped with basket filter；
Cartridge filter is additionally provided with before the reverse osmosis membrane inlet duct.
8. Treated sewage reusing processing system according to claim 6, which is characterized in that the reverse osmosis membrane is water outlet conductance <
The anti-pollution reverse osmosis membrane of 50us/cm.
9. Treated sewage reusing processing system according to claim 1, which is characterized in that the catalytic degradation unit can also be with
Middle water blends/reuse unit pipe connection, for blending for reuse water.
10. Treated sewage reusing processing system according to claim 1, which is characterized in that the pretreatment unit, catalytic degradation
Unit, filter element, film process unit blend with middle water/pipeline that connects of reuse unit on be provided with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081703.XU CN209456256U (en) | 2019-01-17 | 2019-01-17 | Treated sewage reusing processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081703.XU CN209456256U (en) | 2019-01-17 | 2019-01-17 | Treated sewage reusing processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553250A (en) * | 2019-01-17 | 2019-04-02 | 山东昌邑石化有限公司 | Treated sewage reusing processing system and its application |
| WO2023223058A1 (en) * | 2022-05-20 | 2023-11-23 | Aristotle University Of Thessaloniki-E.L.K.E. | Method for the removal of micropollutants by the application of heterogeneous catalytic ozonation from water |
-
2019
- 2019-01-17 CN CN201920081703.XU patent/CN209456256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553250A (en) * | 2019-01-17 | 2019-04-02 | 山东昌邑石化有限公司 | Treated sewage reusing processing system and its application |
| WO2023223058A1 (en) * | 2022-05-20 | 2023-11-23 | Aristotle University Of Thessaloniki-E.L.K.E. | Method for the removal of micropollutants by the application of heterogeneous catalytic ozonation from water |
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