CN110304786A - The processing water of debirs food waste water is without releasing processing equipment for recycling and its processing method - Google Patents
The processing water of debirs food waste water is without releasing processing equipment for recycling and its processing method Download PDFInfo
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- CN110304786A CN110304786A CN201910119512.2A CN201910119512A CN110304786A CN 110304786 A CN110304786 A CN 110304786A CN 201910119512 A CN201910119512 A CN 201910119512A CN 110304786 A CN110304786 A CN 110304786A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 238000012545 processing Methods 0.000 title claims abstract description 72
- 238000004064 recycling Methods 0.000 title claims abstract description 26
- 239000010794 food waste Substances 0.000 title claims description 40
- 238000003672 processing method Methods 0.000 title claims description 13
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 239000002910 solid waste Substances 0.000 claims abstract description 35
- 239000000498 cooling water Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000010808 liquid waste Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 239000010815 organic waste Substances 0.000 claims abstract 2
- 238000012216 screening Methods 0.000 claims description 29
- 238000001035 drying Methods 0.000 claims description 26
- 239000002699 waste material Substances 0.000 claims description 20
- 238000009834 vaporization Methods 0.000 claims description 18
- 230000008016 vaporization Effects 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 14
- 230000029087 digestion Effects 0.000 claims description 10
- 239000005416 organic matter Substances 0.000 claims description 8
- 238000005374 membrane filtration Methods 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims 2
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000004523 agglutinating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000012958 reprocessing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000697872 Bactria Species 0.000 description 1
- 230000002053 acidogenic effect Effects 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B5/00—Condensers employing a combination of the methods covered by main groups F28B1/00 and F28B3/00; Other condensers
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Processing Of Solid Wastes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of for removing the various environomental pollution sources for including in debirs with by the device and method of above-mentioned recycling organic waste, in the state of being separated by solid-liquid separation above-mentioned debirs for each solid waste and liquid wastes, biogas is generated by anaerobic processes from the condensed water generated by above-mentioned solid waste and aforesaid liquid waste, it is recycled as the heat source of drier, and the processing water for removing foreign matter by above-mentioned membrane filter is recycled as the cooling water of cooling tower, to, it can be in the processing unit that can not carry out building above-mentioned debirs with the region of the Combined Treatment of terminal sewage treatment plant, thus, not only by handling above-mentioned debirs come the source of reducing environmental pollution, it can also make one and minimal material costs.
Description
Technical field
The present invention relates to it is a kind of for remove the various environomental pollution sources for including in debirs with the device of recycling and
Method, in particular, be related to after being separated by solid-liquid separation above-mentioned debirs for solid waste and liquid wastes, it can be by above-mentioned solid
Waste is dry and resource turns to fertilizer etc., and by the condensed water generated in the drying process of above-mentioned solid waste and in above-mentioned liquid
The condensed water generated during body treatment of wastes produced by it is various reprocess processes as drier heat source and cooling tower it is cold
But water recycles the processing water without the debirs food waste water released without releasing processing equipment for recycling and its processing method.
Background technique
In general, debirs are the food refuse in the generations such as family or restaurant or the sludge in the generation of stain disease treatment plant
Deng general designation, these debirs not only contain a large amount of water, but also stench can be generated because of corrosion, therefore, are widely used
Following method is handled, that is, after dry and carbonisation, it is molded into the solid with extremely low water content,
And be processed into compost, feed and solid fuel backfill etc..
For example, proposing following processing system to reduce the water content of debirs, that is, as shown in Figure 1, executing
In the state of solid-liquid separation step, make the waste for having been subjected to above-mentioned solid-liquid separation step by drying steps to reduce water content,
Then it crushes to by the waste of above-mentioned drying steps, after screening removing metallic foreign body by magnetic force, waste is used
Make fertilizer.
It is recycled above-mentioned debirs as feed without filling or burning however, processing system as shown in Figure 1 is used
The mode of burning leaches water or condensed water to generate in above-mentioned solid-liquid separation step or above-mentioned drying steps, leads to pollution week
The problem of surrounding environment.
In particular, processing system as shown in Figure 1 is using being dried above-mentioned debirs come by the way of reducing water content,
Above-mentioned drier must have the heat source (burner) of the above-mentioned debirs of continuous heating, therefore consume big energy, moreover,
The region of the condensed water generated in the drying process can not be released or in the region for the Combined Treatment that can not carry out outflow water, due to
The huge increase of consignment processing cost and can not be applicable in, be difficult universalness.
Therefore, above-mentioned debirs are separated by solid-liquid separation as solid waste and liquid in the treatment process of above-mentioned debirs
Waste, solid waste is dry to recycle as fertilizer or feed, and will be in the anaerobic digestion process of aforesaid liquid waste
The biogas of middle generation is recycled as heat source, is also crossed drainage as cooling water recycling, to not only realize above-mentioned have
The research of the complete resource of machine waste, the source that can also reduce environmental pollution is extremely necessary.
Existing technical literature
Patent document
(patent document 1) Korean Patent Laid the 10-2015-0019062nd (publication date: 2015.02.25.)
(patent document 2) Korean Patent Publication No. 10-1367745 (grant date: 2014.02.20.)
(patent document 3) Korean Patent Publication No. 10-1228483 (grant date: 2013.01.25.)
(patent document 4) Korean Patent Publication No. 10-1374559 (grant date: 2014.03.10.)
Summary of the invention
Technical problem
The present invention is to develop to solve the above-mentioned problems, and its purpose is to provide divide by above-mentioned debirs solid-liquid
After for solid waste and liquid wastes, above-mentioned solid waste can be dried to simultaneously recycling, and will be in above-mentioned solid waste
Drying process in the condensed water generated and the condensed water generated during aforesaid liquid treatment of wastes produced located again by various
The processing that science and engineering sequence is recycled as the heat source of drier and the cooling water of cooling tower without the debirs food waste water released
Water is without releasing processing equipment for recycling and its processing method.
Solution to problem
In order to achieve the above object, above-mentioned processing unit includes: crushing-screening machine, is crushed and sorts debirs；Solid-liquid
Separator is dehydrated the debirs for being crushed and sorting in above-mentioned crushing-screening machine, and by above-mentioned debirs solid-liquid
It is separated into each solid waste and liquid wastes；Drier does the solid waste separated in above-mentioned solid-liquid separator
It is dry；Condenser carries out heat exchange to the vapor generated in the drying process of above-mentioned drier with the cooling water of cooling tower；Three
The liquid wastes separated in above-mentioned solid-liquid separator are separated into food waste water and oil by centrifugal force by phase separator；Subtract
Evaporation concentrator is pressed, the food waste water separated in above-mentioned three phase separator is concentrated；First reactor will subtract above-mentioned
The condensed water separated and the condensed water separated in above-mentioned condenser are generated with microorganism in pressure evaporation concentrator reacts, to generate
Biogas；Second reactor carries out biodegrade to the digestion waste liquid separated in above-mentioned first reactor, organic to remove
Object；Membrane filter, is filtered the processing water separated in above-mentioned second reactor, and above-mentioned processing water is separated into sludge
With drainage excessively；Heat source supply line, the biogas that the boiler supplying of Xiang Shangshu drier generates in above-mentioned first reactor；And
Cooling water supply pipe, what the chilled(cooling) water supply (CWS) of Xiang Shangshu cooling tower separated in above-mentioned membrane filter crosses drainage.
In order to achieve the above object, above-mentioned processing method includes: broken screening step, is crushed debirs, sorts foreign matter；
The debirs supplied in above-mentioned broken screening step are dehydrated and are separated into each solid waste and liquid by solid-liquid separation step
Body waste；The solid waste separated in above-mentioned solid-liquid separation step is dried in drying steps；Heat exchange steps, use are cold
But the cooling water of tower carries out heat exchange to the vapor generated in above-mentioned drying steps；Oil separating step, from above-mentioned solid-liquid
Pass through centrifugal force separate oil in the liquid wastes separated in separating step；Concentration step is evaporated under reduced pressure, in above-mentioned oil point
It is depressurized and is heated from the food waste water separated in step to be condensed into condensed water；Anaerobic processing step is contained in above-mentioned subtract
The condensed water separated in pressure evaporation-concentration step, by generating biogas with reacting for microorganism；Biological treatment step is contained in
The digestion waste liquid separated in above-mentioned anaerobic processing step removes foreign organic matter by biodegrade；Membrane filtration step, will be above-mentioned
Processing water in biological treatment step filters and is separated into sludge and cooling water；Heat source supplies step, will be in above-mentioned Anaerobic Treatment
Heat source needed for the biogas generated in step is supplied as above-mentioned drying steps；Chilled(cooling) water supply (CWS) step, Xiang Shangshu heat exchange
Step supplies the cooling water separated in above-mentioned membrane filtration step；And condensed water supplies step, Xiang Shangshu anaerobic processing step supplies
The condensed water that should be separated in above-mentioned heat exchange steps.
The effect of invention
As described above, the present invention at least has the following effects that.
First, raw food waste water reprocessing will be produced in the treatment process of above-mentioned debirs using as above-mentioned drier
Heat source or the cooling water of above-mentioned cooling tower recycle, energy cost needed for the recycling so as to reduce above-mentioned food waste
With.
Second, the solid waste by above-mentioned drier by dry work is recycled as fertilizer or feed, not only
It realizes the complete resource of above-mentioned debirs, can also reduce the environomental pollution source due to above-mentioned debirs.
Third, due to not being used alone in the heat exchanging process from the condensed water separated in above-mentioned debirs such as underground
The cooling water of water or drinking water etc., therefore 50 tons to 100 tons of above-mentioned cooling water, very economical can be at least saved daily.
4th, by that can not carry out building above-mentioned debirs with the region of the Combined Treatment of terminal sewage treatment plant
Processing unit, to not limited by place, the anywhere processing unit of all mountable above-mentioned debirs, therefore can drop
Low-maintenance cost.
5th, it is right in the state of being concentrated above-mentioned debirs to improve the concentration of general volatile organic acid etc.
Above-mentioned debirs carry out biological treatment to remove, so as to improve the removing for the various foreign matters for including in above-mentioned condensed water
Efficiency, reduce environmental pollution source.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the processing unit of debirs according to prior art.
Fig. 2 is the schematic diagram for showing the processing unit of debirs according to the present invention.
Fig. 3 is the schematic diagram for showing the processing method of debirs according to the present invention.
Specific embodiment
In the following, being illustrated to the embodiment of the present invention.
As shown in Fig. 2, processing unit according to the present invention includes: solid-liquid separator 20, broken in crushing-screening machine 10
Broken and sorting debirs are dehydrated, and above-mentioned debirs are separated by solid-liquid separation as each solid waste and liquid wastes；
The solid waste separated in above-mentioned solid-liquid separator 20 is dried in drier 30；Condenser (40), with cooling tower 44
Cooling water carries out heat exchange to the vapor generated in the drying process of above-mentioned drier 30；Three phase separator 50, by from
The liquid wastes separated in above-mentioned solid-liquid separator 20 are separated into food waste water and oil by mental and physical efforts；Inspissator is evaporated under reduced pressure
60, the food waste water separated in above-mentioned three phase separator 50 is concentrated；First reactor 70, will be in above-mentioned reduction vaporization
The condensed water separated in inspissator 60 and the condensed water separated in above-mentioned condenser 40 are generated with microorganism to react, to generate life
Object gas；Second reactor 80 carries out biodegrade to the digestion waste liquid separated in above-mentioned first reactor 70, organic to remove
Object；Membrane filter 90 is filtered the processing water separated in above-mentioned second reactor 80, above-mentioned processing water is separated into
Sludge and cooling water；The supply of boiler 32 of heat source supply line 72, Xiang Shangshu drier 30 produces in above-mentioned first reactor 70
Raw biogas；And cooling water supply pipe 92, the chilled(cooling) water supply (CWS) of Xiang Shangshu cooling tower 44 divide in above-mentioned membrane filter 90
From cross drainage.
As shown in figure 3, processing method according to the present invention includes: broken screening step, debirs are crushed, are sorted different
Object；The debirs supplied in above-mentioned broken screening step are dehydrated and are separated into each solid waste by solid-liquid separation step
And liquid wastes；The solid waste separated in above-mentioned solid-liquid separation step is dried in drying steps；Heat exchange steps,
Heat exchange is carried out to the vapor generated in above-mentioned drying steps with the cooling water of cooling tower；Oil separating step, from above-mentioned
Pass through centrifugal force separate oil in the liquid wastes separated in solid-liquid separation step；Concentration step is evaporated under reduced pressure, in above-mentioned oil
The food waste water separated in separating step is divided to be depressurized and heated to be condensed into condensed water；Anaerobic processing step is contained in
The condensed water for being evaporated under reduced pressure and separating in concentration step is stated, by generating biogas with reacting for microorganism；Biological treatment step holds
It is contained in the digestion waste liquid separated in above-mentioned anaerobic processing step, foreign organic matter is removed by biodegrade；Membrane filtration step, will be
Processing water in above-mentioned biological treatment step filters and is separated into sludge and cooling water；Heat source supplies step, will be in above-mentioned anaerobism
Heat source needed for the biogas generated in processing step is supplied as above-mentioned drying steps；Chilled(cooling) water supply (CWS) step, to above-mentioned heat
Exchange step supplies the cooling water separated in above-mentioned membrane filtration step；And condensed water supplies step, Xiang Shangshu Anaerobic Treatment step
Suddenly the condensed water separated in above-mentioned heat exchange steps is supplied.
Wherein, processing unit 1 according to the present invention is separated by solid-liquid separation above-mentioned debirs as each solid waste and liquid
Body waste, pass it through reprocessing process then to realize the device of complete resource, and above-mentioned processing unit 1 is by sequentially combining
Above-mentioned crushing-screening machine 10, above-mentioned solid-liquid separator 20, above-mentioned drier 30, above-mentioned condenser 40, above-mentioned three phase separator 50,
Above-mentioned reduction vaporization inspissator 60, above-mentioned first reactor 70, above-mentioned second reactor 80 and above-mentioned membrane filter 90 are constituted.
That is, above-mentioned solid waste is dried simultaneously recycling by above-mentioned drier 30 by above-mentioned processing unit 1, pass through
Above-mentioned three phase separator 50 is evaporated under reduced pressure in inspissator 60, first reactor 70, second reactor 80 and the processing of membrane filter 90
Liquid wastes are stated to generate biogas and cooling water and be recycled.
Also, above-mentioned crushing-screening machine 10 is for being broken into size appropriate for above-mentioned debirs and sorting above-mentioned organic
The impurity such as plastics, metal contained in waste or plastics, and including the crusher for being crushed above-mentioned debirs and for removing
Remove the screening machine of the foreign matter mixed in above-mentioned debirs.
Above-mentioned crusher is preferably the good screw of crushing efficiency or ball milling formula crushing mechanism, above-mentioned screening machine are preferably
Use vibration screening machine, the magnetic screening machine using magnetic force or the specific gravity screening machine using difference in specific gravity of mesh.
Also, above-mentioned solid-liquid separator 20 is used to for the fragment for removing impurity by above-mentioned crushing-screening machine 10 being separated into
Each solid waste and liquid wastes, above-mentioned solid-liquid separator 20 preferably use centrifuge separation mode, above-mentioned centrifuge separation mode
Solid waste and liquid wastes are optionally sequestered using centrifugal force.
Also, above-mentioned drier 30 is used to accommodate and dry by the isolated solid waste of above-mentioned solid-liquid separator 20,
And the moisture content of above-mentioned solid waste is preferably reduced to the boiler 32 of at least 10% or smaller range, in particular, above-mentioned pot
Furnace 32 is preferably the boiler of gas fired-boiler and wood pellet.
The drying temperature of above-mentioned drier 30 is preferably 100~150 DEG C, and drying time is preferably 2~3 hours, but as long as
Above-mentioned moisture content can be reduced to 10% or smaller range, so that it may suitably adjust above-mentioned drying temperature and it is above-mentioned dry when
Between.
That is, by Production of manure technique or feed is delivered to by dry solid waste by above-mentioned drier 30
Manufacturing process simultaneously recycles.
Also, above-mentioned condenser 40 is wrapped for handling the vapor generated in the drying process of above-mentioned drier 30
Cooling tower 44 and condensed water supply line 42 are included, above-mentioned cooling tower 44 is used to carry out heat exchange, above-mentioned condensation to above-mentioned vapor
Water supply line 42 is used to supply the condensed water generated in the condensation process of above-mentioned vapor to above-mentioned first reactor 70.This
When, above-mentioned cooling tower 44 can be configured to discharge the water vapor filtering of gasification.
Also, above-mentioned three phase separator 50 is for accommodating the liquid wastes separated in above-mentioned solid-liquid separator 20 and dividing
From for oil and food waste water, and preferably pass through the specific gravity based on centrifugal force using in the state of accommodating aforesaid liquid waste
The above-mentioned oil of official post upwards and extract out mode.By above-mentioned oil as far as possible filter and remove harmful components in the state of resource
Turn to soap, biodiesel and power plant fuel etc..
Also, above-mentioned reduction vaporization inspissator 60 is for depressurizing the food waste water separated in three phase separator 50
It is concentrated, and is executed in the state of being contained in above-mentioned food waste water with heating, by pressure reduction to 350mmHg or lower
Simultaneously 70~80 DEG C at a temperature of be evaporated, by above-mentioned food Waste water concentrating at have 26,000mg/L or higherization
Learn oxygen demand (Chemical Oxygen Demand；COD the function of high-enriched organics).At this time, it is preferable that by above-mentioned
The isolated liquid material of inspissator 60 is evaporated under reduced pressure and turns to moist forage etc. by reprocessing process resource.
At this point it is possible to which the food waste water separated in above-mentioned three phase separator 50 is directly supplied to above-mentioned first reactor
70 carry out Anaerobic Treatment, but compared with the food waste water isolated by above-mentioned solid-liquid separator 20, the concentration of suspended matter is lower,
Moreover, it is contemplated that the biological treatment of above-mentioned suspended matter, is handled preferably through above-mentioned reduction vaporization inspissator 60.
That is, the food waste water separated in above-mentioned solid-liquid separator 20 is differently, it is dense in above-mentioned reduction vaporization
The concentration of the environomental pollution source of the suspended matter in condensed water, nitrogen or the phosphorus that separate in contracting device 60 etc. is relatively low, and biological can drop
General volatile organic acid, biochemical oxygen demand (BOD) (the Biochemical Oxygen Demand of solution；BOD) or the concentration of COD very
Height, therefore, in the case where above-mentioned condensed water is added to above-mentioned first reactor 70, the volume increase system as biogas is highly beneficial
With value.
At this time, it is preferable that the condensed water being concentrated in above-mentioned reduction vaporization inspissator 60 stirs to make group in catch basin
In the state of split-phase homogenization, pH and temperature are suitably adjusted in adjustment tank, is then supplied to above-mentioned first reactor 70.
Also, above-mentioned first reactor 70 is used in oxygen-free environment, passes through the generation of bacterium, acidogenic bactria or methanogen
The organic matter thanked from the isolated condensed water of above-mentioned reduction vaporization inspissator 60 generates biogas (in particular, methane gas),
In the state of accommodating above-mentioned condensed water, in the range of being adjusted to about 7 by pH and keep the temperature at 35~55 DEG C, thus by above-mentioned
High-enriched organics contained in condensed water are converted into biogas.
The anaerobic treatment method of above-mentioned first reactor 70 is preferably up-flow anaerobic sludge blanket (Upflow Anaerobic
Sludge Blanket；The techniques such as UASB), the technique is in the following way, that is, separates in above-mentioned reduction vaporization inspissator 60
Condensed water flow to from below top while by lower reaction zone anaerobe sludge blanket, to remove organic matter,
Sludge and wastewater through organic matter phase mutual connection while being stirred by the self generating gas (methane gas, carbon dioxide) generated at this time
Touching.
At this point, above-mentioned first reactor 70 can further use the condensed water of above-mentioned condenser 40 as logical for removing
Cross the additional carbon of the foreign matter including suspended matter for the condensed water that above-mentioned reduction vaporization inspissator 60 is concentrated.
That is, the condensed water being flowed into above-mentioned first reactor 70 is supplied with by above-mentioned condensed water supply line 42
The condensed water answered mixes, and carries out Anaerobic Treatment to organic matter simultaneously with above two condensed water, as a result, in above-mentioned first reaction
Condensed water in device 70 is in be diluted more and has relatively low than the condensed water flowed into from above-mentioned reduction vaporization inspissator 60
The state of salinity.
Therefore, the condensed water supplied by the condensed water supply line 42 of above-mentioned condenser 40 is not only easy to carry out above-mentioned the
The Anaerobic Treatment of one reactor 70 can also be easy to carry out the biological treatment of above-mentioned second reactor 80.
Also, above-mentioned second reactor 80 to by above-mentioned 70 separation of first reactor for disappearing in the presence of oxygen
Change waste liquid and carries out biological treatment.Above-mentioned second reactor 80 is sequentially made of aeration tank, precipitation tank and agglutinating reaction slot, to remove
The various environomental pollution sources including organic matter for including in above-mentioned digestion waste liquid.
At this point, above-mentioned second reactor 80 preferably includes aeration tank, precipitation tank and agglutinating reaction slot, above-mentioned aeration tank is used for
Above-mentioned digestion waste liquid is decomposed and aoxidized in the presence of oxygen to remove environomental pollution source, above-mentioned precipitation tank is used for will be by above-mentioned
For the untreated residual environomental pollution source precipitating of aeration tank to remove, above-mentioned agglutinating reaction slot passes through above-mentioned precipitating for being chemically treated
The untreated residual environomental pollution source of slot.
That is, above-mentioned second reactor 80 is in the presence of oxygen by aerobic microbiological in above-mentioned digestion waste liquid
Mixed environomental pollution source (C, H, O, N, S) is decomposed and is aoxidized, to above-mentioned organic environment pollution sources are converted into inorganic
The sludge generated at this time is dehydrated simultaneously recycling using dehydration equipment to remove by object.
Also, above-mentioned membrane filter 90 is used for remaining particle in the processing water separated in above-mentioned second reactor 80
Substance, COD or BOD etc. are filtered.Pass through sand filter in the processing water for carrying out biological treatment by above-mentioned second reactor 80
Or in the state that active carbon filter is filtered, which is used as to the cooling water of above-mentioned cooling tower 44.
In particular, passing through cooling water supply pipe 92 by the drainage of crossing that above-mentioned membrane filter 90 removes various environomental pollution sources
It is supplied to above-mentioned cooling tower 44.
At this point it is possible to which the processing water Jing Guo above-mentioned second reactor 80 is released by terminal sewage treatment, or also may be used
To release by the drainage of crossing of above-mentioned membrane filter 90 by downcomer, but in the present invention, it is used as above-mentioned cooling tower 44
Cooling water.
Also, above-mentioned heat source supply line 72 is used for using the biogas generated in above-mentioned first reactor 70 as heat source
Heat source needed for recycling is contained in the heating of the solid waste in above-mentioned drier 30 without discarding, and supply.
Also, above-mentioned cooling water supply pipe 92 is used to separate in above-mentioned membrane filter 90 to the supply of above-mentioned cooling tower 44
Cross drainage, and supply be contained in the heat exchange of the vapor in above-mentioned condenser 40 needed for cooling water.
In the following, being illustrated to effect according to the present invention.
Firstly, in order to run processing unit 1 according to the present invention, being removed by above-mentioned crushing-screening machine 10 such as plastics or
In the state of the foreign matter of metal etc., above-mentioned debirs are ground into the size for being suitable for dry work.
Then, in the state that the debirs being crushed are accommodated in above-mentioned solid-liquid separator 20, by with setting time
Above-mentioned debirs are carried out dehydrating with setting speed centrifuge separation, above-mentioned debirs are separated into each solid
Waste and liquid wastes.
Later, in the state of accommodating above-mentioned solid waste in above-mentioned drier 30, at a set temperature when heating setpoint
Between, to generate dried object, above-mentioned dried object is delivered to Production of manure technique or feed manufacturing process and is recycled.
In particular, heat exchange is carried out to the vapor generated in above-mentioned drier 30 in above-mentioned condenser 40, in the mistake
Cheng Zhong, the condensed water generated in above-mentioned condenser 40 are supplied to above-mentioned first reactor by above-mentioned condensed water supply line 42
In 70.
At this point, the condensed water generated in above-mentioned condenser 40 is supplied in above-mentioned first reactor 70, for use as above-mentioned
The volume increase system of biogas.
On the other hand, the aforesaid liquid waste separated in above-mentioned solid-liquid separator 20 by above-mentioned three phase separator 50 with
Remove oil, and also via above-mentioned reduction vaporization inspissator 60, above-mentioned first reactor 70, above-mentioned second reactor 80 and
Above-mentioned membrane filter 90 gradually purifies.
That is, in the state that general volatile organic acid etc. is maximized in above-mentioned reduction vaporization inspissator 60, it is cold
Condensate generates biogas by above-mentioned first reactor 70, then also by above-mentioned second reactor 80 by biological treatment, so that
Environomental pollution source is sequentially removed.
At this point, passing through above-mentioned heat source supply line 72 by the biogas that the anaerobic reaction of above-mentioned first reactor 70 generates
It is supplied to above-mentioned boiler 32, is then used as the drying source of the solid waste in the operational process of above-mentioned drier 30..
In particular, filtered in above-mentioned membrane filter 90 cross drainage be supplied to above-mentioned cooling tower 44 and as cooling water again
It utilizes, therefore, can not only reduce the operating cost of above-mentioned cooling tower 44, above-mentioned food waste water can not also be released, therefore subtract
Few environomental pollution source.
Therefore, energy cost is reduced as drying source by using the biogas of above-mentioned first reactor 70, passed through very much
Ji, moreover, crossing drainage as cooling water come the source of reducing environmental pollution by using above-mentioned membrane filter 90.
As described above, not departing from claims of the present invention the invention is not limited to embodiment as described above
Under the premise of the technical idea of middle claimed invention, general technical staff of the technical field of the invention is apparent
Deformation can be implemented, and this deformation belongs to the scope of the present invention.
Symbol description
10: crushing-screening machine
20: solid-liquid separator
30: drier
32: boiler
40: condenser
42: condensed water supply line
44: cooling tower
50: three phase separator
60: inspissator is evaporated under reduced pressure
70: first reactor
72: heat source supply line
80: second reactor
90: membrane filter
92: cooling water supply pipe.
Claims (14)
1. a kind of processing water of debirs food waste water is without releasing processing equipment for recycling characterized by comprising
Crushing-screening machine (10) is crushed and sorts debirs；
Solid-liquid separator (20) is dehydrated the debirs for being crushed and sorting in crushing-screening machine (10), and will be above-mentioned
It is each solid waste and liquid wastes that debirs, which are separated by solid-liquid separation,；
The solid waste separated in above-mentioned solid-liquid separator (20) is dried in drier (30)；
Condenser (40), with the cooling water of cooling tower (44) to the vapor generated in the drying process of above-mentioned drier (30)
Carry out heat exchange；
The liquid wastes separated in above-mentioned solid-liquid separator (20) are separated into food by centrifugal force by three phase separator (50)
Waste water and oil；
It is evaporated under reduced pressure inspissator (60), the food waste water separated in above-mentioned three phase separator (50) is concentrated；
First reactor (70), will be in the middle condensed water separated of above-mentioned reduction vaporization inspissator (60) and in above-mentioned condenser (40)
Middle isolated condensed water is generated with microorganism to react, to generate biogas；
Second reactor (80) carries out biodegrade to the digestion waste liquid separated in above-mentioned first reactor (70), to remove
Organic matter；
Membrane filter (90) is filtered the processing water separated in above-mentioned second reactor (80), by above-mentioned processing water
It is separated into sludge and cooling water；
Boiler (32) supply of heat source supply line (72), Xiang Shangshu drier (30) generates in above-mentioned first reactor (70)
Biogas；And
Cooling water supply pipe (92), the place that the chilled(cooling) water supply (CWS) of Xiang Shangshu cooling tower (44) separates in above-mentioned membrane filter 90
Manage water.
2. the processing water of debirs food waste water according to claim 1 is without releasing processing equipment for recycling, feature
It is,
Above-mentioned crushing-screening machine (10) includes crusher for being crushed above-mentioned debirs and for removing in above-mentioned organic waste
The screening machine for the foreign matter for including in object,
Above-mentioned screening machine is vibration screening machine, the magnetic screening machine using magnetic force and the specific gravity using difference in specific gravity using mesh
At least one of screening machine.
3. the processing water of debirs food waste water according to claim 1 is without releasing processing equipment for recycling, feature
It is,
Above-mentioned three phase separator (50) is three phase centrifugation separator, and above-mentioned three phase centrifugation separator will be in above-mentioned solid-liquid separator
(20) the aforesaid liquid waste containment that is separated in and be then selectively to extract out at least three than double-layer by centrifugal force separate
Ratio double-layer where above-mentioned oil.
4. the processing water of debirs food waste water according to claim 1 is without releasing processing equipment for recycling, feature
It is,
Above-mentioned reduction vaporization inspissator (60) accommodates the food waste water of above-mentioned three phase separator (50), by pressure reduction extremely
350mmHg or lower at the same 70~80 DEG C at a temperature of be evaporated, by above-mentioned food Waste water concentrating at have 26,
The high-enriched organics of 000mg/L or higher COD.
5. the processing water of debirs food waste water according to claim 1 is without releasing processing equipment for recycling, feature
It is, above-mentioned first reactor (70) uses up-flow anaerobic sludge blanket technique.
6. the processing water of debirs food waste water according to claim 1 is without releasing processing equipment for recycling, feature
It is,
Above-mentioned first reactor (70) is accommodating the condensed water separated by above-mentioned reduction vaporization inspissator (60) and is passing through above-mentioned
In the state of the isolated condensed water of condenser 40, pH is adjusted to 7 and is kept the temperature in the range of 35~55 DEG C.
7. the processing water of debirs food waste water according to claim 1 is without releasing processing equipment for recycling, feature
It is,
The condensed water that above-mentioned first reactor (70) further uses above-mentioned condenser (40), which is used as, to be subtracted for removing by above-mentioned
The additional carbon of the foreign matter including suspended matter for the condensed water that pressure evaporation concentrator (60) is concentrated.
8. a kind of processing water of debirs food waste water is without releasing recycling processing method characterized by comprising
Broken screening step, is crushed debirs, sorts foreign matter；
The debirs supplied in above-mentioned broken screening step are dehydrated and are separated into each solid waste by solid-liquid separation step
And liquid wastes；
The solid waste separated in above-mentioned solid-liquid separation step is dried in drying steps；
Heat exchange steps carry out heat exchange to the vapor generated in above-mentioned drying steps with the cooling water of cooling tower；
Oil separating step passes through centrifugal force separate oil in the liquid wastes separated from above-mentioned solid-liquid separation step；
Concentration step is evaporated under reduced pressure, the food waste water separated in above-mentioned oil separating step is depressurized and is heated to be concentrated
At condensed water；
Anaerobic processing step is contained in the condensed water separated in above-mentioned reduction vaporization concentration step, by reacting with microorganism
Generate biogas；
Biological treatment step is contained in the digestion waste liquid separated in above-mentioned anaerobic processing step, is removed by biodegrade organic
Foreign matter；
Processing water in above-mentioned biological treatment step is filtered and is separated into sludge and cooling water by membrane filtration step；
Heat source supplies step, and the biogas generated in above-mentioned anaerobic processing step is supplied as needed for above-mentioned drying steps
Heat source；
Chilled(cooling) water supply (CWS) step, Xiang Shangshu heat exchange steps supply the cooling water separated in above-mentioned membrane filtration step；And
Condensed water supplies step, and Xiang Shangshu anaerobic processing step supplies the condensed water separated in above-mentioned heat exchange steps.
9. the processing water of debirs food waste water according to claim 8 is without releasing recycling processing method, feature
It is,
In above-mentioned drying steps, the drying source as the solid waste for supplying from above-mentioned broken screening step is used
The biogas generated in above-mentioned anaerobic processing step.
10. the processing water of debirs food waste water according to claim 8 is without releasing recycling processing method, feature
It is,
In above-mentioned oil separating step, it is by centrifugal force separate by the liquid wastes separated in above-mentioned solid-liquid separation step
At least three than double-layer, then selectively extracts the ratio double-layer where above-mentioned oil out.
11. the processing water of debirs food waste water according to claim 8 is without releasing recycling processing method, feature
It is,
In above-mentioned reduction vaporization concentration step, the food waste water separated in above-mentioned oil separating step is accommodated, by pressure drop
Down to 350mmHg or lower and meanwhile 70~80 DEG C at a temperature of be evaporated, by above-mentioned food Waste water concentrating at having
The high-enriched organics of 26,000mg/L or higher COD.
12. the processing water of debirs food waste water according to claim 8 is without releasing recycling processing method, feature
It is, above-mentioned anaerobic processing step uses up-flow anaerobic sludge blanket technique.
13. the processing water of debirs food waste water according to claim 8 is without releasing recycling processing method, feature
It is,
In above-mentioned anaerobic processing step, the condensed water that is separated in being contained in above-mentioned reduction vaporization concentration step and in above-mentioned heat
In the state of the condensed water separated in exchange step, pH is adjusted to 7 and is kept the temperature in the range of 35~55 DEG C.
14. the processing water of debirs food waste water according to claim 8 is without releasing recycling processing method, feature
It is,
The condensed water that above-mentioned heat exchange steps are further used in above-mentioned anaerobic processing step, which is used as, to be subtracted for removing above-mentioned
Include in the condensed water being concentrated in pressure evaporation-concentration step includes the additional carbon of the foreign matter of nitrogen or phosphorus.
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| KR102045190B1 (en) * | 2018-11-16 | 2019-11-14 | 주식회사 한국종합기술 | Production System for Agent of Production Increase for Biogas Using Food Waste Water |
| CN109678318A (en) * | 2019-02-19 | 2019-04-26 | 南通常安能源有限公司 | A kind of sludge drying method |
| CN113118184B (en) * | 2021-04-17 | 2022-08-16 | 苏州华益洁环境能源技术有限公司 | Environment-friendly intelligent treatment system and method for kitchen waste |
| KR102648024B1 (en) * | 2023-02-17 | 2024-03-18 | 강동바이오 주식회사 | Organic waste treatment apparatus with improved treatment efficiency of liquid waste and method for treating organic waste using the same |
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