CN207877513U - A kind of processing structure of high concentrated organic wastewater - Google Patents
A kind of processing structure of high concentrated organic wastewater Download PDFInfo
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- CN207877513U CN207877513U CN201721794900.3U CN201721794900U CN207877513U CN 207877513 U CN207877513 U CN 207877513U CN 201721794900 U CN201721794900 U CN 201721794900U CN 207877513 U CN207877513 U CN 207877513U
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Abstract
A kind of processing structure of high concentrated organic wastewater, including homogeneous settler, the entrance of homogeneous settler is connected with wastewater outlet, the outlet of homogeneous settler is connected with the entrance for neutralizing filter device, the outlet for neutralizing filter device is connected with the entrance of film condensing device, the concentrated solution outlet of film condensing device is connected with the entrance of fractionating column, the top concentrated solution outlet of fractionating column is connected with bottom concentrated solution outlet with organic concentrate reclaiming system, the purified liquor outlet of film condensing device is connected to purified liquor outlet among fractionating column, it is connected with the entrance of biochemical treatment equipment after mixing, the outlet of biochemical treatment equipment is connected with the entrance of adsorbent equipment, the outlet of adsorbent equipment is clean water；The utility model has the advantages that technique strong applicability, processing cost be low, stable effluent quality, and realizes the recycling of highly concentrated organic matter in waste water.
Description
Technical field
The utility model belongs to water-treatment technology field, more particularly to a kind of processing structure of high concentrated organic wastewater.
Background technology
High concentration hard-degraded organic waste water relates generally to coking wastewater, pharmacy waste water (including traditional Chinese medicine wastewater), petrochemical industry/oils
Waste water, weaving/dyeing waste water, wastewater from chemical industry, paint waste water, the film professionals waste water such as waste water, have organic concentration it is high, at
Divide complexity, difficult for biological degradation, coloration height, have the features such as peculiar smell, is the problem that sewage disposal circle both at home and abroad is generally acknowledged at present.It is high at present
Concentration organic wastewater processing is mainly handled by two kinds of technology modes, first, taking the technique based on chemical oxidation and catalysis oxidation
Mode, as Chinese patent CN201611046614 disclose it is a kind of using wet oxidation processing method to high concentrated organic wastewater at
The technique of reason is degraded poor, produced tail gas the problems such as needing after-treatment although solving ammonia nitrogen and small molecular organic acid, is deposited
Secondary solid waste is being generated, and for high concentrated organic wastewater, processing cost is very high, effluent quality is unstable.Second is that passing through
The ratio for changing BOD and COD is pre-processed, the mode of biochemical treatment is then carried out, although biochemical process has economy, efficient etc. excellent
Point, and suitable for two level and advanced treating, but be not suitable for handling unstable water water quality, high COD, the impurity of class containing aromatic ring it is organic
Waste water.
As the type of high concentrated organic wastewater pollutant and the quantity of sewage are continuously increased, at traditional, single sewage
Reason technology cannot be met the requirements, and improve and optimize traditional handicraft, coupled and solved at high concentrated organic wastewater by Alternative
Reason by be technology from now on development Main way.
Invention content
In order to overcome the disadvantages of the above prior art, the purpose of this utility model is to provide a kind of high concentrated organic wastewaters
Processing structure, have the advantages that technique strong applicability, processing cost be low, stable effluent quality, while realizing highly concentrated in waste water
The recycling of organic matter.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of processing structure of high concentrated organic wastewater, including homogeneous settler 1, the entrance and waste water of homogeneous settler 1
Outlet connection, the outlet of homogeneous settler 1 and the entrance for neutralizing filter device 2 connect, and outlet and the film for neutralizing filter device 2 are dense
The entrance of compression apparatus 3 connects, and the concentrated solution outlet of film condensing device 3 is connected with the entrance of fractionating column 4, and the top of fractionating column 4 is dense
Contracting liquid exports and bottom concentrated solution outlet and organic concentrate return to process system and connect, the purified liquor outlet of film condensing device 3 with
4 intermediate purified liquor outlet of fractionating column is connected to, and is connected with the entrance of biochemical treatment equipment 5 after mixing, the outlet and absorption of biochemical treatment equipment 5
The entrance of device 6 connects, and the outlet of adsorbent equipment 6 is clean water.
A kind of technique of the processing structure of high concentrated organic wastewater, includes the following steps：
1) the pretreatment workshop section that organic wastewater with high concentration enters homogeneous settler 1, neutralization filter device 2 forms is located in advance
Reason；
2) organic wastewater with high concentration after pretreatment enters film condensing device 3, and organic wastewater is separated into clear liquid and concentration
Liquid；
3) concentrate that step 2) generates enters fractionating column 4, by fractionating column 4 by tower top and the debirs of bottom of tower into one
Step enrichment, centre extraction clear liquid；
4) the enrichment organic matter that 4 tower top of fractionating column and bottom of tower generate returns to process system reuse by organic concentrate and is used as
Raw material, or handled into liquid wastes incinerator, recycle heat；
5) enter biochemical treatment equipment 5 after the clear liquid mixing that step 2) and step 3) generate and carry out biochemical treatment；
6) waste water after step 5) biochemical treatment enters 6 further advanced treating of adsorbent equipment；
7) through step 6) treated water as arranging outside clean water or recycled as device circulating cooling make-up water.
The high concentrated organic wastewater refers to that chemical industry production technology of the COD contents in 5000-200000mg/L is useless
Water.
Described crosses the combination for neutralizing that filter device 2 includes averager, filter or both, and wherein filter is using activity
One or both of charcoal filtering, husky filter combination.
The film condensing device 3 is concentrated using level-one or secondary membrane, control clear liquid COD in 3000mg/L hereinafter, using
Level-one or secondary membrane concentration, control clear liquid COD is in 3000mg/L hereinafter, the wherein described film is ultrafiltration membrane (UF), reverse osmosis membrane
(RO) or ultrafiltration membrane (UF) and reverse osmosis membrane (RO) combination.
The fractionating column 4 controls the intermediate COD for extracting clear liquid out in 3000mg/L hereinafter, the debirs of tower top and bottom of tower
Concentration is 30% or more.
The biochemical treatment equipment 5 is using the combination of one or two kinds of techniques in Anaerobic Treatment, Aerobic Process for Treatment, control water outlet
COD is less than 100mg/L.
Using one or more levels absorption, effluent index controls COD and is less than 60mg/L the adsorbent equipment 6.
The adsorbent of the adsorbent equipment 6 is one in activated carbon, carbon fiber, carbon nanotube, graphene and molecular sieve
Kind or a variety of combination of adsorbents.
The organic liquid waste burning that steam needed for 4 tower bottom reboiler of fractionating column can be collected by tower top and bottom of tower generates steaming
Vapour is supplied.
The beneficial effects of the utility model are：
1, it couples, is suitable for organic by using homogeneous, neutralization filtering, film concentration, fractionation, biochemical treatment and absorbing process
The big feature of Chemical Manufacture middle and upper reaches process water water variation water quality realizes that operating system is stable, effluent quality is up to standard, is processed into
This low advantage.
2, by the way that film process and fractionating system coupling are substituted the Strong oxdiative technique in conventional treatment, waste water is effectively realized
Minimizing and useless Organic substance in water recycling.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model structure.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of processing structure of high concentrated organic wastewater, including homogeneous settler 1, homogeneous settler 1 enter
Mouth is connected with wastewater outlet, and the outlet of homogeneous settler 1 is connected with the entrance for neutralizing filter device 2, neutralizes going out for filter device 2
Mouth is connected with the entrance of film condensing device 3, and the concentrated solution outlet of film condensing device 3 is connected with the entrance of fractionating column 4, fractionating column 4
Top concentrated solution outlet and bottom concentrated solution outlet return to process system with organic concentrate and connect, film condensing device 3 it is clear
Liquid outlet is connected to 4 intermediate purified liquor outlet of fractionating column, is connected with the entrance of biochemical treatment equipment 5 after mixing, biochemical treatment equipment 5 goes out
Mouth is connected with the entrance of adsorbent equipment 6, and the outlet of adsorbent equipment 6 is clean water；The utility model has technique strong applicability, place
The advantages of managing at low cost, stable effluent quality, and realize the recycling of highly concentrated organic matter in waste water.
The technique of the utility model is further illustrated with reference to embodiment.
Embodiment one：A kind of technique of the processing structure of high concentrated organic wastewater, includes the following steps：
1) organic wastewater with high concentration is generated in the production of biological pesticide intermediate, COD 10000mg/L, PH 4.5；
Organic wastewater with high concentration is introduced into homogeneous settler 1 and carries out homogeneous sedimentation, and the residence time is 2 hours；Organic wastewater after settlement
Into neutralize filter device 2, by addition 10% sodium hydrate aqueous solution neutralized, the organic wastewater with high concentration after neutralization into
Enter filter, is filtered suspended impurity totally using activated carbon；
2) organic wastewater with high concentration after pretreatment enters film condensing device 3, and organic wastewater is separated into clear liquid and concentration
Liquid；Film condensing device 3 is concentrated using level-one RO films, and control clear liquid COD is 3000mg/L, and reuse clear liquid amount is 93%；Concentrate
COD is 100000mg/L, and concentration liquid measure is 7%；
3) concentrate that step 2) generates enters fractionating column 4, by fractionating column 4 by tower top and the debirs of bottom of tower into one
Step enrichment, centre extraction clear liquid, clear liquid COD controls are in 2000mg/L；
4) the enrichment organic matter that 4 tower top of fractionating column and bottom of tower generate returns to process system reuse by organic concentrate and is used as
Raw material；
5) enter biochemical treatment equipment 5 after the clear liquid mixing that step 2) and step 3) generate and carry out biochemical treatment, through anaerobism and
After Aerobic Process for Treatment, water outlet COD is 100mg/L；
6) waste water after step 5) biochemical treatment enters 6 further advanced treating of adsorbent equipment, and adsorbent equipment 6 uses two
Grade absorption, the adsorbent of adsorbent equipment 6 are the compound of activated carbon and carbon fiber, and control effluent index COD is less than 30mg/L；
7) it is recycled as device circulating cooling make-up water as clean water through step 6) treated water.
Compared with the prior art, effluent index is controllable for the present embodiment, is handled by process minimizing so that water process expense
About 21% is reduced, and realizes the recycling of organic matter in organic wastewater with high concentration, improves the economy of process.
Embodiment two：A kind of technique of the processing structure of high concentrated organic wastewater, includes the following steps：
1) organic wastewater with high concentration is that coking industry generates, COD 200000mg/L, PH 4.5；Organic wastewater with high concentration is first
Homogeneous sedimentation is carried out into homogeneous settler 1, the residence time is 3 hours；Organic wastewater after settlement enters neutralization filtering dress
2 are set, is neutralized by the sodium hydrate aqueous solution of addition 15%；Organic wastewater with high concentration after neutralization enters filter, uses
Husky filter medium filters suspended impurity clean；
2) organic wastewater with high concentration after pretreatment enters film condensing device 3, and organic wastewater is separated into clear liquid and concentration
Liquid；Film condensing device 3 is concentrated using two level RO films, and for control clear liquid side water outlet COD in 1500mg/L, reuse clear liquid amount is 81%；
Concentrate COD is 1000000mg/L, and concentration liquid measure is 19%；
3) concentrate that step 2) generates enters fractionating column 4, by fractionating column 4 by tower top and the debirs of bottom of tower into one
Step enrichment, centre extraction clear liquid, clear liquid COD controls are in 3000mg/L；
4) the enrichment organic matter that 4 tower top of fractionating column and bottom of tower generate enters liquid wastes incinerator and is handled, and generates steaming
Vapour is used for 4 tower bottom reboiler institute calorific requirement of fractionating column；
5) enter biochemical treatment equipment 5 after the clear liquid mixing that step 2) and step 3) generate and carry out biochemical treatment, through anaerobism and
After Aerobic Process for Treatment, water outlet COD is 60mg/L；
6) waste water after step 5) biochemical treatment enters 6 further advanced treating of adsorbent equipment, and adsorbent equipment 6 uses one
The adsorbent of grade absorption, adsorbent equipment 6 is carbon nanotube and molecular sieves compound material, and control effluent index COD is less than 60mg/L；
7) through step 6), treated that water enters industrial park reuse water system as clean water.
Compared with the prior art, effluent index is controllable for the present embodiment, and realizes subtracting for waste water by membrane treatment appts
The measures such as quantification treatment, fractionating column recycling organic waste liquid burning recycling thermal energy so that water process expense reduces about 19%.
Embodiment three：A kind of technique of the processing structure of high concentrated organic wastewater, includes the following steps：
1) organic wastewater with high concentration is that chemical process generates, COD 200000mg/L, PH 7；Organic wastewater with high concentration
It is introduced into homogeneous settler 1 and carries out homogeneous sedimentation, the residence time is 3 hours；Organic wastewater with high concentration after settlement enters neutralization
Filter device 2 filters the suspended impurity in water clean；
2) organic wastewater with high concentration after pretreatment enters film condensing device 3, and organic wastewater is separated into clear liquid and concentration
Liquid；It is 3000mg/L that film condensing device 3, which uses level-one UF films, control clear liquid COD, and reuse clear liquid amount is 20%；Concentrate COD is
249250mg/L, concentration liquid measure are 80%；
3) waste water enters fractionating column 4 after step 2) filtering, by fractionating column 4 that the debirs of tower top and bottom of tower are further
Enrichment, centre extraction clear liquid, clear liquid COD controls are in 3000mg/L；
4) the organic concentrate of enrichment organic matter that 4 tower top of fractionating column and bottom of tower generate returns to process system reuse as former
Material；
5) enter biochemical treatment equipment 5 after the clear liquid mixing that step 2) and step 3) generate and carry out biochemical treatment, at anaerobism
After reason, water outlet COD is 60mg/L；
6) waste water after step 5) biochemical treatment enters 6 further advanced treating of adsorbent equipment, and adsorbent equipment 6 uses two
Grade absorption, the adsorbent of adsorbent equipment 6 are the combine adsorption agent of carbon nanotube, graphene and molecular sieve, control effluent index COD
Less than 30mg/L；
7) it is recycled as device circulating cooling make-up water as clean water through step 6) treated water.
Compared with the prior art, effluent index is controllable for the present embodiment, is handled by process minimizing so that water process expense
About 25% is reduced, and realizes the recycling of organic matter in organic wastewater with high concentration, improves the economy of process.
Example IV：A kind of technique of the processing structure of high concentrated organic wastewater, includes the following steps：
1) organic wastewater with high concentration is generated in textile manufacturing, COD 5000mg/L, PH 4.5；Organic wastewater with high concentration is first
Homogeneous sedimentation is carried out into homogeneous settler 1, the residence time is 4 hours；Organic wastewater after settlement enters neutralization filtering dress
2 are set, is neutralized by the sodium hydrate aqueous solution of addition 5%；Organic wastewater with high concentration after neutralization enters filter, will suspend
Contaminant filter is clean；
2) organic wastewater with high concentration after pretreatment enters film condensing device 3, and organic wastewater is separated into clear liquid and concentration
Liquid；Film condensing device 3 concentrates group technology using level-one UF films and two-stage RO films, and control clear liquid COD is 500mg/L, and reuse is clear
Liquid measure is 80%；Concentrate COD is 23000mg/L, and concentration liquid measure is 20%；
3) concentrate that step 2) generates enters fractionating column 4, by fractionating column 4 by tower top and the debirs of bottom of tower into one
Step enrichment, centre extraction clear liquid, clear liquid COD controls are in 500mg/L；
4) the enrichment organic matter that 4 tower top of fractionating column and bottom of tower generate returns to process system reuse by organic concentrate and is used as
Raw material；
5) enter biochemical treatment equipment 5 after the clear liquid mixing that step 2) and step 3) generate and carry out biochemical treatment, through anaerobism and
After Aerobic Process for Treatment, water outlet COD is 80mg/L；
6) waste water after step 5) biochemical treatment enters 6 further advanced treating of adsorbent equipment, and adsorbent equipment 6 uses two
The adsorbent of grade absorption, adsorbent equipment 6 is activated carbon and molecular sieve, and control effluent index COD is less than 30mg/L；
7) it is recycled as device circulating cooling make-up water as clean water through step 6) treated water.
Compared with the prior art, effluent index is controllable for the present embodiment, is handled by process minimizing so that water process expense
About 21% is reduced, and realizes the recycling of organic matter in organic wastewater with high concentration, improves the economy of process.
Claims (6)
1. a kind of processing structure of high concentrated organic wastewater, including homogeneous settler (1), the entrance of homogeneous settler (1) and useless
Water out connects, and the outlet of homogeneous settler (1) is connected with the entrance for neutralizing filter device (2), neutralizes going out for filter device (2)
Mouth is connected with the entrance of film condensing device (3), and the concentrated solution outlet of film condensing device (3) is connected with the entrance of fractionating column (4), point
The top concentrated solution outlet for evaporating tower (4) is connected with bottom concentrated solution outlet with organic concentrate return process system, film concentration dress
The purified liquor outlet for setting (3) is connected to the intermediate purified liquor outlet of fractionating column (4), is connected with the entrance of biochemical treatment equipment (5) after mixing, raw
The outlet for changing processor (5) is connected with the entrance of adsorbent equipment (6), and the outlet of adsorbent equipment (6) is clean water.
2. a kind of processing structure of high concentrated organic wastewater according to claim 1, it is characterised in that：The neutralization
It includes the combination for including averager, filter or both to filter device (2), and wherein filter is using in activated carbon filtering, husky filter
One or two combination.
3. a kind of processing structure of high concentrated organic wastewater according to claim 1, it is characterised in that：The film concentration
Device (3) is concentrated using level-one or secondary membrane, control clear liquid COD in 3000mg/L hereinafter, the wherein described film be ultrafiltration membrane (UF),
Reverse osmosis membrane (RO) or the combination of ultrafiltration membrane (UF) and reverse osmosis membrane (RO).
4. a kind of processing structure of high concentrated organic wastewater according to claim 1, it is characterised in that：The absorption dress
(6) are set using one or more levels absorption, effluent index controls COD and is less than 60mg/L.
5. a kind of processing structure of high concentrated organic wastewater according to claim 1, it is characterised in that：The absorption dress
The adsorbent for setting (6) is one or more combination of adsorbents in activated carbon, carbon fiber, carbon nanotube, graphene and molecular sieve.
6. a kind of processing structure of high concentrated organic wastewater according to claim 1, it is characterised in that：The fractionating column
(4) the organic liquid waste burning that steam needed for tower bottom reboiler is collected by tower top and bottom of tower generates steam supply.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046527A (en) * | 2017-12-20 | 2018-05-18 | 北京汇能兴业科技有限公司 | A kind of processing system of high concentrated organic wastewater |
| CN109179902A (en) * | 2018-10-17 | 2019-01-11 | 苏州名列膜材料有限公司 | A kind of aqueous vapor complete alternation processing method |
| CN109775729A (en) * | 2018-12-07 | 2019-05-21 | 四川聚创石墨烯科技有限公司 | A kind of processing system of graphene oxide waste liquid |
-
2017
- 2017-12-20 CN CN201721794900.3U patent/CN207877513U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046527A (en) * | 2017-12-20 | 2018-05-18 | 北京汇能兴业科技有限公司 | A kind of processing system of high concentrated organic wastewater |
| CN109179902A (en) * | 2018-10-17 | 2019-01-11 | 苏州名列膜材料有限公司 | A kind of aqueous vapor complete alternation processing method |
| CN109775729A (en) * | 2018-12-07 | 2019-05-21 | 四川聚创石墨烯科技有限公司 | A kind of processing system of graphene oxide waste liquid |
| CN109775729B (en) * | 2018-12-07 | 2021-02-02 | 四川聚创石墨烯科技有限公司 | Processing system of oxidation graphite alkene waste liquid |
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