CN108947046A - The circulation comprehensive of seaweed processing waste water utilizes system and technical method - Google Patents
The circulation comprehensive of seaweed processing waste water utilizes system and technical method Download PDFInfo
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- 239000002351 wastewater Substances 0.000 title claims abstract description 94
- 241001474374 Blennius Species 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000008569 process Effects 0.000 claims abstract description 32
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 238000001556 precipitation Methods 0.000 claims description 27
- 238000000926 separation method Methods 0.000 claims description 26
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 14
- 239000012065 filter cake Substances 0.000 claims description 13
- 239000011780 sodium chloride Substances 0.000 claims description 11
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 claims description 10
- 241000206607 Porphyra umbilicalis Species 0.000 claims description 9
- 239000012634 fragment Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 102000004169 proteins and genes Human genes 0.000 claims description 6
- 108090000623 proteins and genes Proteins 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 235000013311 vegetables Nutrition 0.000 claims description 6
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 238000005189 flocculation Methods 0.000 claims description 5
- 230000016615 flocculation Effects 0.000 claims description 5
- 150000004676 glycans Chemical class 0.000 claims description 5
- 239000003456 ion exchange resin Substances 0.000 claims description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 5
- 229920001282 polysaccharide Polymers 0.000 claims description 5
- 239000005017 polysaccharide Substances 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 229960003080 taurine Drugs 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 229920000620 organic polymer Polymers 0.000 claims description 4
- 239000002910 solid waste Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 241000195493 Cryptophyta Species 0.000 claims description 3
- 241001480978 Pyropia haitanensis Species 0.000 claims description 3
- 241000206613 Pyropia yezoensis Species 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 229920000592 inorganic polymer Polymers 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005374 membrane filtration Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 229920002101 Chitin Polymers 0.000 claims description 2
- 241000206609 Porphyra Species 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000012267 brine Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000011109 contamination Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000003651 drinking water Substances 0.000 claims description 2
- 235000020188 drinking water Nutrition 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 claims description 2
- -1 filter screen Polymers 0.000 claims description 2
- 239000008394 flocculating agent Substances 0.000 claims description 2
- 239000013505 freshwater Substances 0.000 claims description 2
- 239000008235 industrial water Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 241000512259 Ascophyllum nodosum Species 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 239000002361 compost Substances 0.000 claims 1
- 238000010612 desalination reaction Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000005342 ion exchange Methods 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000001351 cycling effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000011143 downstream manufacturing Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 241001147461 Bangiales Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010499 rapseed oil Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The circulation comprehensive of seaweed processing waste water utilizes system and technical method, belongs to energy conservation and environmental protection industry, belongs to the wastewater processing technology of field of agricultural products processing, also belongs to the waste integrated treatment utilization technology of field of agricultural products processing.With technical method provided by the invention, it is able to solve problem of environmental pollution caused by the direct discharging of waste water in seaweed process；With technical method provided by the invention, seaweed processing waste water cycling and reutilization can be made, reduce the water resources consumption of seaweed processing；With technical method provided by the invention, the impurity of removal is able to carry out down-stream processing with high added-value, has elongated seaweed industrial chain, is conducive to the sustainable health development and seaweed Develop Industrial Cluster of seaweed industry.
Description
Technical field
The present invention relates to the circulation comprehensives of a main laver processing waste water to utilize system and technical method, belongs to energy conservation and environmental protection production
Industry belongs to the wastewater processing technology of field of agricultural products processing, and the waste integrated treatment for also belonging to field of agricultural products processing utilizes
Technology.
Background technique
Seaweed is the general designation of Bangiales section Porphyra marine algae, including Porphyra yezoensis, porphyra haitanensis, laver, circle seaweed,
Numerous kinds such as side seaweed, the kind cultivated extensively at present are Porphyra yezoensis, porphyra haitanensis, laver.
Laver nutritive is abundant, according to the difference of growth time section, the protein content of every 100g dry laver in 35-50%,
The content 25% or so of polysaccharide, fat content 3% or so, the lubricant component in seaweed is mainly polyunsaturated fatty acid.Especially
It is worth lifting, also containing a kind of special acid --- the taurine all not contained in any land plant in seaweed, in purple
The content of taurine is 1% or so in dish, this content is even higher than many marine animals.
There is more than 1000 platform set of laver processing machine group in China at present, is distributed mainly on Jiangsu, Fujian, Zhejiang, Along The Coast of Shandong Province.
Seaweed processing season concentrates on the April in December to next year.
Processing laver processing machine in season is often to continuously run for 24 hours, and seaweed processing needs a large amount of water, and processing is used
Water uses city tap-water, to meet drinking water standard.Every processing machine daily (24 hours) is with about 100-120 cubes of water
Rice, calculates accordingly, and the annual seaweed processing water consumption in the whole nation is 7200-8640 ten thousand stere.
The seaweed processing waste water that all seaweed processing enterprises generate at present is all direct emission.Seaweed processing waste water mainly by
The organic matters such as seaweed fragment, soluble protein and silt composition.Seaweed process time concentrates on winter-spring season, the waste water of discharge
The harm of pollution environment will not be shown at that time, and with the raising of temperature, the organic matter in waste water starts to ferment, and color gradually becomes
It is red, until blackening, stench is given out, increases environmental pressure.
Application publication number be 102948830 A of CN, data of publication of application on 03 06th, 2013, entitled " a kind of pair of seaweed
The application for a patent for invention of the method that processing is recycled with water ", the processing for being related to seaweed processing waste water utilize, content
Beverage mainly is produced by raw material of seaweed processing waste water, the statutory status of the patent application is " after application for a patent for invention is announced
Deemed withdrawal ", October 29 2014 statutory status effective date.
Application publication number is 105601732 A of CN, data of publication of application on May 25th, 2016, entitled " to process from seaweed
The application for a patent for invention of the method for separation phycobniliprotein in waste water ", is related to separating phycobniliprotein from seaweed processing waste water, this is specially
In the specification and entitlement requests book of benefit application, detail how that impurity is removed from seaweed waste water obtains phycobniliprotein,
And not to isolating the waste water of phycobniliprotein for further processing or being used, also the impurity of removal is not made further
It handles or is used, content is not to handle seaweed processing waste water just for the sake of obtaining phycobniliprotein.
The present invention provides direct, complete, beyond all doubt technical methods, are applied at seaweed processing waste water
Reason field, capable of making waste water, cycling and reutilization is in seaweed production process after treatment, and to the seaweed fragment, solvable in waste water
The organic matters such as property protein and silt carry out processing recycling.
Summary of the invention
The problem of leading to environmental pollution the invention solves direct discharging of waste water in existing seaweed process.The present invention mentions
Direct, complete, beyond all doubt technical method has been supplied, seaweed processing waste water circulation can have been made sharp again using the technical method
With, it reducing seaweed and processes water resources consumption, the impurity of removal also can be carried out down-stream processing with high added-value, reduce environmental pollution,
Seaweed processing industry chain is elongated, the cluster development of seaweed industry sustainable health development and seaweed industry is more advantageous to.
In order to solve the above technical problems, technical solution provided by the invention is as follows:
Waste water collection tank, waste water collection tank are masonry concrete structures, are also possible to steel plate structure, are also possible to macromolecule
Material structure.Waste water collection tank is the conjuncted slot to communicate with one another that monomer slot is also possible to that more than two monomer slots are constituted.Waste water
Collecting tank is built at the nearest discharge outlet apart from workshop where laver processing machine, without machining machine and workshop progress to seaweed
Large-scale redevelopment.
Waste water delivery pump, waste water delivery pump select corrosion-resistant Pulp pump, can will contain the impurity such as seaweed fragment, silt
Seaweed processing waste water is transported to next procedure.
Waste water separator has overflow port, sewage draining exit, can be tentatively by the weight such as silt in seaweed processing waste water compared with impurity and purple
Dish fragment is separated, and silt etc. is discharged compared with heavy seeds through sewage draining exit, can also enter filter press for planting vegetable after collection
Filter-press dehydration is carried out to reduce volume, the waste water containing seaweed fragment enters next procedure.
Waste water filter press is carried out dehydrating the waste water containing seaweed fragment that previous process is sent, makes seaweed fragment
Equal solidities substance is separated to form filter cake from waste water, and there are many processing methods for the filter cake separated, can direct heap
Fertilizer can be used as feed, can be used as feed addictive, can be used as the original for extracting taurine, polysaccharide, protein, seaweed oil
Material carries out deep processing.
Precipitation and separation device, the waste water that previous process is separated, into precipitation and separation device, precipitation and separation device is stirred equipped with low speed
Device is mixed, the organic matter precipitation and separation in waste water can be made to come out after flocculant is added, flocculant can choose inorganic polymer
Flocculant, organic polymer coargulator, microbial flocculant etc., the waste water after this process can be referred to as " middle water ".
Filter press is precipitated, filters pressing processing, the liquid separated are carried out to the flocculate precipitate being discharged in precipitation and separation device
Substance sends precipitation and separation device back to and merges precipitation and separation again with waste water, and obtained filter cake buries as solid waste or with useless
The silt being discharged in separator merges for planting vegetable.
Saline process will expect that device, make-up tank, filter, agitating device form by sodium chloride, can be by precipitating point
Salt water from device 4-1 treated water is configured to salinity 10 ‰ -25 ‰, makes for the washing procedure of seaweed processing and other needs
With the process of salt water.
Salt solution reservoir pumping system is made of salt solution reservoir, brine pump, metering device, prepared salt water can be sent
The each process processed to seaweed uses.
Ion exchange resin column is made of cylinder, ion exchange resin, filter screen, resin regeneration equipment, by this road
Process can deviate from salinity (NaCl) and other various cationic and anion in water.
Membrane filtration system is made of the ceramic membrane of various membrane fluxs, polymer compound film, can be filtered out exhausted big in middle water
Partial impurities.
Sterilization process is made of ozone sterilization and ultraviolet disinfection.
Online water quality monitoring process, is made of online water quality monitor.
Clear water storage tank and pumping system, the water come out from sterilization process, are kept in by clear water storage tank, according to production needs, by
Clear water is pumped into production process use.
List 13 systems and process altogether above, some systems may be incorporated in together, and some systems can be further thin
Point, it is enumerated as 13 titles herein, is illustrated in more detail in order to more convenient, is not just to by system quantity control
System is at 13.
Detailed description of the invention
Fig. 1 is flow diagram
Specific embodiment
Technical solution of the present invention is elaborated further with attached drawing combined with specific embodiments below；
As shown in Figure 1, seaweed processing waste water WS1 enters waste water collection tank 1, waste water collection tank volume is 200 cubic metre one
It is a, when liquid level reaches production requirement, start water pump B1, extracts waste water and send to waste water separator 2, waste water is entered with tangential direction and divided
From in device 2, circinate water flow, the heavier contamination precipitation such as silt to bottom, every 2 hours Open valve F1 are formed in separator 2
The impurity such as silt are released, the impurity such as silt are used for planting vegetable after stacking, and the impurity such as silt released from valve F1 can also be sent
Merge filters pressing with the valve F2 flocculate precipitate being discharged to filter press 3-1, the waste water outflow containing seaweed fragment to waste water filters pressing
In machine 3；
After waste water enters waste water filter press 3, it is removed most of water, the water of removing enters precipitation and separation device 4, and filters pressing obtains
Solid content can be referred to as filter cake, the moisture control of filter cake in 30%-50%, leave concentratedly in filter cake storage tank LB1 by filter cake,
Collective conveyance carries out deep processing, and in the present embodiment, filter cake is after being dried as extracting taurine, protein, polysaccharide, purple
The raw material of rape oil；
The waste water that waste water filter press comes out enters in precipitation and separation device 4, after flocculant is prepared by flocculant storage tank XN1
Be added in precipitation and separation device 4 and be sufficiently mixed with waste water, and with the nothings such as organic matters, the heavy metal such as protein, polysaccharide in waste water
Flocculation reaction occurs for machine object, generates flocculate precipitate, and flocculate precipitate is discharged into precipitating filter press 3-1 by valve F2, warp
It crosses the liquid substance that filter press 3-1 filters pressing is separated and sends back to and merge precipitation and separation again in precipitation and separation device 4 with waste water, pass through
The filter cake obtained after filter press 3-1 filters pressing is stored in filter cake storage tank LB2, and filter cake can be buried as solid waste, can also
Merged with the silt being discharged in same waste water separator 2 and be used for planting vegetable, this process flocculant uses inorganic height in the present embodiment
Molecular flocculant, polymeric ferric aluminum saline flocculating agent；
Middle water after flocculation sedimentation enters in another precipitation and separation device 4-1, and flocculant passes through flocculant storage tank XN2
It is added to after preparing in precipitation and separation device 4-1, the water come out with precipitation and separation device 4 is sufficiently mixed, and previous process is un-cleared
Impurity flocculation sedimentation again, the flocculate precipitate of generation is pumped B2 and sent into filter press 3 by valve F4 merges waste water filters pressing,
The water generated in precipitation and separation device 4-1 send to storage tank 5 and keeps in, this process flocculant is flocculated using organic polymer in the present embodiment
Chitin is used in agent, flocculation；
Water a part in storage tank 5 is pumped in the make-up tank 11 of saline process, while sodium chloride is from feeding device
It is mixed according to 1000: 10--1000: 25 ratio with the water of storage tank 5 in XN3, by being thoroughly mixed for agitating device,
Using salt solution reservoir 13 is pumped to after filter 12, the salt water in salt solution reservoir 13 can be sent by pumping B4 according to production needs
The each process processed to seaweed uses.
Water a part in storage tank 5 be pumped in ion exchange resin column 6 be removed salinity and other it is various cation and
Anion；
The water come out from previous process, into film filter progress 7, the present embodiment is compound with macromolecule using ceramic membrane
Film integrated system associated with film；
The water come out from film filter progress, into ozone sterilization process 8, ozone in water content is controlled in 0.1g/L---
0.4g/L is kept for concentration 5 minutes；
The water come out from ozone sterilization process, into ultraviolet disinfection process 9, ultraviolet radiation intensity is controlled in 20mW/
cm2---40mW/cm2, the time 5 seconds；
By the processed water of the above process, enter next procedure by the uninterrupted monitoring of online water quality monitor JCY is lower；
By the water that the above process is handled, into clear water storage tank 10, being sent to seaweed workshop by fresh water pump B3 makes
With, Drinking Water can also be regarded, it can also be as the industrial water of seaweed deep processing；
Above embodiment is used for illustrative purposes only, rather than limitation of the present invention, the technology in relation to technical field
For personnel in the case where not departing from the invention conception and scope, the various change or replacement made are based even on this hair
Bright deteriorates technical solution, all should belong to protection scope of the present invention.
Claims (10)
1. the circulation comprehensive of seaweed processing waste water utilize system and technical method, the described method comprises the following steps: the system by
Waste water collection tank, waste water delivery pump, waste water separator, waste water filter press, precipitation and separation device, precipitating filter press, saline work
It is sequence, salt solution reservoir pumping system, ion exchange desalination process, membrane filtration system, sterilization process, online water quality monitoring process, clear
Water storage tank pumping system is constituted.
(1) waste water collection tank: waste water collection tank is masonry concrete structure, is also possible to steel plate structure, is also possible to macromolecule
Material structure.Waste water collection tank is the conjuncted slot to communicate with one another that monomer slot is also possible to that more than two monomer slots are constituted.Waste water
Collecting tank is built at the nearest discharge outlet apart from workshop where laver processing machine, without machining machine and workshop progress to seaweed
Large-scale redevelopment.
(2) waste water delivery pump: waste water delivery pump selects corrosion-resistant Pulp pump.
(3) waste water separator: having overflow port, sewage draining exit, and waste water enters to form circinate water flow with tangential direction, and silt etc. is heavier
Contamination precipitation is discharged to bottom, the waste water outflow of the fragment containing seaweed.
(4) plate and frame filter press and centrifuge waste water filter press: are selected.
(5) precipitation and separation device: precipitation and separation device stirs at low speed device to promote flocculation reaction.
(6) it precipitates filter press: selecting plate and frame filter press and centrifuge.
(7) it saline process: is made of sodium chloride feeding device, make-up tank, filter, agitating device.
(8) it salt solution reservoir pumping system: is made of salt solution reservoir, brine pump, metering device.
(9) it ion exchange resin column: is made of cylinder, ion exchange resin, filter screen, resin regeneration equipment.
(10) membrane filtration system: being film integrated system associated with ceramic membrane and polymer compound film.
(11) it sterilization process: is made of ozone sterilizer and ultraviolet sterilizer.
(12) it online water quality monitoring process: is made of 2 or more online water quality monitors.
(13) it clear water storage tank pumping system: is made of clear water storage tank, fresh water pump, metering device.
2. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
The waste water that seaweed processing generates, the waste water including being generated when processing Porphyra yezoensis, waste water, packet including being generated when processing porphyra haitanensis
It includes the waste water generated when processing other Porphyra algae, include the waste water that (such as kelp) generates when processing other algae.
3. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
The waste water of seaweed generation is processed after this system is handled, can be reused directly in seaweed process, can be worked as and do manual labour
Drinking water, the industrial water that seaweed deep processing can be regarded.
4. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
Saline process can be passed through by precipitation and separation device 4-1 treated water, the salt water for being configured to salinity 10 ‰ -25 ‰ be used for
The washing procedure of seaweed processing needs the process using salt water with other.
5. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
The impurity such as the silt that waste water separator 2 generates can be used for planting vegetable, can bury as solid waste, can merge wadding
Retrogradation starch carries out filter-press dehydration to reduce volume.
6. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
The filter cake that waste water filter press 3 generates can be used as after being dried to be extracted taurine, extracts protein, extract polysaccharide, mention
Take the raw material of seaweed oil, feed can also be used as after drying, can also regard feed addictive, can also directly compost add
Work is at Crop fertilizer.
7. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
Flocculant used in precipitation and separation device 4 is inorganic polymer class flocculant, by being preferably polymeric ferric aluminum saline flocculating agent,
Organic polymer class flocculant can be used, microbiology class flocculant also can be used.
8. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
Flocculant used in precipitation and separation device 4-1 is that organic polymer class flocculant can also by being preferably chitin kind flocculant
Using inorganic polymer class flocculant, microbiology class flocculant also can be used.
9. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, it is characterised in that:
The flocculate precipitate generated in precipitation and separation device 4 is sent to precipitating filter press 3-1 and carries out filters pressing, and it is heavy that obtained liquid substance is sent to
Shallow lake separator 4 merges precipitation and separation again with waste water, and obtained filter cake buries as solid waste or with waste water separator 2
The silt of middle discharge, which merges, is used for planting vegetable.
10. the circulation comprehensive of seaweed processing waste water according to claim 1 utilizes system and technical method, feature exists
In the flocculate precipitate that is generated in precipitation and separation device 4-1, send to precipitating filter press 3 merge waste water that waste water separator comes out into
Row filters pressing.
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| CN107935266A (en) * | 2017-11-30 | 2018-04-20 | 连云港紫金海藻产业研究发展中心 | The circulation comprehensive of seaweed processing waste water utilizes system and technical method |
| CN108101277A (en) * | 2017-11-30 | 2018-06-01 | 连云港紫金海藻产业研究发展中心 | The circulation comprehensive of seaweed processing waste water utilizes system and technical method |
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