CN108372189A - The processing unit of solid waste and the treatment process of solid waste - Google Patents
The processing unit of solid waste and the treatment process of solid waste Download PDFInfo
- Publication number
- CN108372189A CN108372189A CN201810155977.9A CN201810155977A CN108372189A CN 108372189 A CN108372189 A CN 108372189A CN 201810155977 A CN201810155977 A CN 201810155977A CN 108372189 A CN108372189 A CN 108372189A
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- Prior art keywords
- ammonia nitrogen
- solid waste
- processing unit
- hydrolysis
- ammonia
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- 239000002910 solid waste Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 21
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 124
- 230000007062 hydrolysis Effects 0.000 claims abstract description 52
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 52
- 230000005611 electricity Effects 0.000 claims abstract description 50
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000001079 digestive effect Effects 0.000 claims description 14
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 210000000952 spleen Anatomy 0.000 claims description 4
- 210000002784 stomach Anatomy 0.000 claims description 4
- 239000012267 brine Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 239000005416 organic matter Substances 0.000 abstract description 8
- 239000012528 membrane Substances 0.000 description 9
- 238000005341 cation exchange Methods 0.000 description 6
- 238000005273 aeration Methods 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 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
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002351 wastewater 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
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention provides a kind of processing unit of solid waste and the treatment process of solid waste, belong to organic matter process field.The processing unit includes electricity hydrolysis ammonia nitrogen piece-rate system, ammonia nitrogen stripping system and ammonia nitrogen recovery system.The arrival end of ammonia nitrogen stripping system is connected to the primary outlet end of electricity hydrolysis ammonia nitrogen piece-rate system, and the first exit end of ammonia nitrogen stripping system is connected to the arrival end of ammonia nitrogen recovery system.The processing unit is simple, at low cost, and the debirs for being suitable for the substance containing ammonia nitrogen are handled.Pending solid organic matters are subjected to electric hydrolysis by electricity hydrolysis ammonia nitrogen piece-rate system using above-mentioned processing unit, the liquid after hydrolysis is input to ammonia nitrogen stripping system with by the NH in liquid4 +Ammonia nitrogen recovery system is input in the form of ammonia to be recycled.This is simple for process time-consuming short, not only contributes to the removal efficiency for improving organic matter, additionally it is possible to reduce and even avoid using basic agent, be conducive to saving operating cost.
Description
Technical field
The present invention relates to organic matter process fields, and the processing unit and solid waste of more particularly to a kind of solid waste
The treatment process of object.
Background technology
City organic solid pollutant includes mainly residential households rubbish, kitchen garbage, garden garbage, human and animal excreta, dirt
The organic domestic waste etc. that the units such as mud and commerce and service sectors, culture, education and public health, organ and enterprises and institutions generate.National cities and towns life
Rubbish processing to be harmless rate living is only 63.5%.City organic solid castoff such as cannot be handled quickly and effectively, can be produced
Raw stench, spreads the disease at polluted underground water, safe and healthy to urban public environment to cause great threat.
Currently, solid waste processing unit is not only bulky, floor space is wide, and it is a large amount of usually to also need to input
Basic agent, it is with high costs.Therefore, existing solid waste processing unit and technique need to be improved.
Invention content
One of the objects of the present invention is to provide a kind of processing units of solid waste, and the device is simple, at low cost, fit
Debirs for the substance containing ammonia nitrogen are handled.
Another object of the present invention is to provide a kind for the treatment of process of solid waste, this is simple for process time-consuming short, no
Only be conducive to improve organic matter removal efficiency, additionally it is possible to reduce even avoid use basic agent, be conducive to save operation at
This.
The present invention solves its technical problem using following technical scheme to realize：
The present invention proposes a kind of processing unit of solid waste, including electricity hydrolysis ammonia nitrogen piece-rate system, ammonia-nitrogen desorption
System and ammonia nitrogen recovery system.
The arrival end of ammonia nitrogen stripping system is connected to the primary outlet end of electricity hydrolysis ammonia nitrogen piece-rate system and be used for will be through electric water
It solves the liquid after the hydrolysis of ammonia nitrogen piece-rate system electricity and inputs ammonia nitrogen stripping system, first exit end and the ammonia nitrogen of ammonia nitrogen stripping system return
The arrival end of receipts system is connected to and is used to the ammonia input ammonia nitrogen recovery system of gained to recycle after ammonia nitrogen stripping system stripping.
Further, in a preferred embodiment of the present invention, electricity hydrolysis ammonia nitrogen piece-rate system includes electricity hydrolysis room, ion exchange
Film, first electrode, second electrode and power supply, electricity hydrolysis room is divided by amberplex isolation is located at amberplex two
The anode chamber of side and cathode chamber are simultaneously used for the NH in anode chamber4 +It exchanges to cathode chamber, the arrival end of anode chamber is waited for for inputting
Solid waste is handled, for being connected to the arrival end of ammonia nitrogen stripping system, first electrode is set to sun for the outlet end of cathode chamber
Pole room, second electrode are set to cathode chamber, and first electrode and second electrode are electrically connected to a power source.
Further, in a preferred embodiment of the present invention, anode chamber's middle-jiao yang, function of the spleen and stomach extremely stainless steel material electrode and/or cathode chamber
Middle cathode is stainless steel material electrode.
Preferably, stainless steel material electrode is Ti electrode.
Further, in a preferred embodiment of the present invention, amberplex is cation-exchange membrane.
Further, in a preferred embodiment of the present invention, electricity hydrolysis ammonia nitrogen piece-rate system is additionally provided with digestive juice outlet end, disappears
Change liquid outlet end and is set to anode chamber and for the digestive juice of anode chamber's ionization gained to be exported electricity hydrolysis ammonia nitrogen piece-rate system.
Further, in a preferred embodiment of the present invention, it is provided with stirring in the anode chamber of electricity hydrolysis ammonia nitrogen piece-rate system
Device.
Further, in a preferred embodiment of the present invention, being internally provided with for ammonia nitrogen stripping system contains NH for adsorbing4 +
Ammonia nitrogen substance filler.
Further, in a preferred embodiment of the present invention, ammonia nitrogen stripping system further includes that second be connected to cathode chamber goes out
Mouth end, filler is set between the arrival end of ammonia nitrogen stripping system and the second outlet end of ammonia nitrogen stripping system, by ammonia-nitrogen desorption
The ammonia nitrogen substance for the cathode chamber output that the arrival end of system enters is after filling adsorption from the second outlet of ammonia nitrogen stripping system
End is transferred back to cathode chamber.
Further, in a preferred embodiment of the present invention, ammonia nitrogen stripping system is also communicated with the draining for brine to be discharged
Pipe and the air inlet pipe for inputting stripping gas.
The invention also provides a kind for the treatment of process of solid waste, include the following steps：Use above-mentioned solid waste
Pending solid organic matters are carried out electric hydrolysis by the processing unit of object by electricity hydrolysis ammonia nitrogen piece-rate system, and the liquid after hydrolysis is defeated
Enter to ammonia nitrogen stripping system with by the NH in liquid4 +Ammonia nitrogen recovery system is input in the form of ammonia to be recycled.
The advantageous effect of the treatment process of the processing unit and solid waste of solid waste is in the embodiment of the present invention：
The processing unit for the solid waste that present pre-ferred embodiments provide is simple, at low cost, is suitable for class containing ammonia nitrogen
The debirs of substance are handled.The treatment process of the solid waste of offer simply take it is short, not only contribute to improve organic matter
Removal efficiency, additionally it is possible to reduce even avoid use basic agent, be conducive to save operating cost.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the first structural schematic diagram of the processing unit of solid waste provided in an embodiment of the present invention；
Fig. 2 is second of structural schematic diagram of the processing unit of solid waste provided in an embodiment of the present invention.
Icon：The processing unit of 10- solid waste；11- electricity hydrolyzes ammonia nitrogen piece-rate system；111- primary outlets end；113-
Electricity hydrolysis room；The anode chambers 1131-；1132- blenders；1133- cathode chambers；114- amberplexes；115- first electrodes；116-
Second electrode；117- power supplys；13- ammonia nitrogen stripping systems；131- first exit ends；132- fillers；133- second outlets end；134-
Supervisor；135- branches；136- valves；137- is pumped；138- drainpipes；139- air inlet pipe；15- ammonia nitrogen recovery systems.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term "upper", "lower", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In addition, the terms such as term " vertical " are not offered as requiring component absolute upright, but can be slightly tilted.As " hung down
Directly " to refer to only its direction more vertical with respect to for "horizontal", be not indicate the structure have to it is completely vertical, but can
To be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It is specifically described with reference to embodiments.
Fig. 1 is please referred to, the processing unit 10 of solid waste provided in an embodiment of the present invention includes electricity hydrolysis ammonia nitrogen separation
System 11, ammonia nitrogen stripping system 13 and ammonia nitrogen recovery system 15.
The arrival end of ammonia nitrogen stripping system 13 is connected to and with the primary outlet end 111 of electricity hydrolysis ammonia nitrogen piece-rate system 11 for inciting somebody to action
Liquid after the 11 electricity hydrolysis of electricity hydrolysis ammonia nitrogen piece-rate system inputs ammonia nitrogen stripping system 13.The first of ammonia nitrogen stripping system 13 goes out
Mouthful end 131 with the arrival end of ammonia nitrogen recovery system 15 is connected to and be used for will after 13 stripping of ammonia nitrogen stripping system obtained by ammonia it is defeated
Enter the recycling of ammonia nitrogen recovery system 15.
Electricity hydrolysis ammonia nitrogen piece-rate system 11 includes electricity hydrolysis room 113, amberplex 114, the 115, second electricity of first electrode
Pole 116 and power supply 117.Electricity hydrolysis room 113 is divided by the isolation of amberplex 114 is located at 114 both sides of amberplex
Anode chamber 1131 and cathode chamber 1133, amberplex 114 be used for the NH in anode chamber 11314 +It exchanges to cathode chamber
1133.The arrival end of anode chamber 1131 is for inputting pending solid waste, (namely the electricity hydrolysis of the outlet end of cathode chamber 1133
The primary outlet end 111 of ammonia nitrogen piece-rate system 11) for being connected to the arrival end of ammonia nitrogen stripping system 13, first electrode 115 is arranged
In anode chamber 1131, second electrode 116 is set to cathode chamber 1133, first electrode 115 and second electrode 116 with power supply 117
Electrical connection.
The arrival end of above-mentioned anode chamber 1131 and the outlet end of cathode chamber 1133 can be respectively arranged at 1131 He of anode chamber
The top of cathode chamber 1133.
Preferably, the anode contained by middle-jiao yang, function of the spleen and stomach of embodiment of the present invention pole room 1131 is stainless steel material electrode and/or cathode chamber
Cathode contained by 1133 is stainless steel material electrode, such as Ti electrode.Power supply 117 uses DC power supply 117, the anode of power supply 117
It is connected respectively with stainless steel electrode with cathode, amberplex 114 is installed between anode and cathode.
Above-mentioned amberplex 114 is cation-exchange membrane 114, such as CR67HMR cation-exchange membranes 114.As optional
The membrane area on ground, above-mentioned CR67HMR cation-exchange membranes 114 can be 0.03m2。
Ground is can refer to, the dischargeable capacity of above-mentioned electricity hydrolysis ammonia nitrogen piece-rate system 11 can be 10L.It is worth noting that can
The type and parameter of electricity hydrolysis ammonia nitrogen piece-rate system 11 are suitably replaced according to actual needs.
Preferably, middle-jiao yang, function of the spleen and stomach of embodiment of the present invention pole room 1131 is additionally provided with oxygen collection port (not shown), cathode chamber 1133
It is provided with Hydrogen collection mouth (not shown), to collect the oxygen and hydrogen that electricity hydrolysis ammonia nitrogen piece-rate system 11 generates respectively.
It holds, the digestive juice of solid waste inputs anode chamber 1131 by the arrival end of anode chamber 1131, in the item of energization
Under part, the hydrogen ion (H of the generation of anode chamber 1131 of electricity hydrolysis+), the further water of the larger molecular organics in digestive juice can be promoted
Solution generates the volatile acid of small molecule；Ammonia nitrogen (the NH that itrogenous organic substance hydrolysis generates4 +) be directed by cation-exchange membrane 114
Cathode chamber 1133 completes the quenched effect to digestive juice.The OH that the ionization of cathode chamber 1133 generates-It is reacted with the ammonia nitrogen of high concentration,
Demand of the ammonia aeration process to basic agent can be reduced.In addition, the processing unit of solid waste provided in an embodiment of the present invention
The oxygen that the hydrogen and anode chamber 1131 that cathode chamber 1133 generates in 10 also recyclable electric hydrolytic processes generate.
Electricity hydrolysis ammonia nitrogen piece-rate system 11 is additionally provided with digestive juice outlet end, and digestive juice outlet end is set to anode chamber 1131 simultaneously
For the digestive juice output electricity of the ionization of anode chamber 1131 gained to be hydrolyzed ammonia nitrogen piece-rate system 11.Optionally, above-mentioned digestive juice goes out
Mouth end for example may be disposed at the lower part of the anode chamber 1131 opposite with the arrival end of anode chamber 1131.
Preferably, please referring to Fig. 2, it is provided with blender 1132 in the anode chamber 1131 of electricity hydrolysis ammonia nitrogen piece-rate system 11,
To play the role of homogeneous to the digestive juice in electricity hydrolysis ammonia nitrogen piece-rate system 11.
Ammonia nitrogen stripping system 13 is internally provided with contains NH for adsorbing4 +Ammonia nitrogen substance filler 132, by cathode chamber
The NH containing high concentration of 1133 outlet end output4 +Ammonia nitrogen substance adsorbed by filler 132 in ammonia nitrogen stripping system 13.
Further, ammonia nitrogen stripping system 13 may also include the second outlet end 133 being connected to cathode chamber 1133, and first goes out
Mouth end 131 is correspondingly arranged in the upper and lower part of ammonia nitrogen stripping system 13, first exit end 131 with second outlet end 133 respectively
It is connected to ammonia nitrogen recovery system 15 and for ammonia to be input to ammonia nitrogen recovery system 15, filler 132 is set to ammonia-nitrogen desorption system
Between the arrival end and the second outlet end 133 of ammonia nitrogen stripping system 13 of system 13, filler 132 can be through pipeline from ammonia nitrogen stripping system
13 bottom enters in ammonia nitrogen stripping system 13.The ammonia that the cathode chamber 1133 entered by the arrival end of ammonia nitrogen stripping system 13 exports
Nitrogen substance is transferred back to cathode chamber 1133 after the absorption of filler 132 from the second outlet end 133 of ammonia nitrogen stripping system 13.
Preferably, the pipeline of conveying filler 132 can be transmitted back to cathode chamber 1133 with by the liquid after the absorption of filler 132
Then pipeline is respectively formed two branches 135 again by 134 connection of supervisor.Wherein, being used for will be through the liquid after the absorption of filler 132
It is transmitted back on the branch 135 of cathode chamber 1133 and is equipped with valve 136 and pump 137 successively.
Optionally, ammonia nitrogen stripping system 13 is also communicated with drainpipe 138 for brine to be discharged and for inputting
The air inlet pipe 139 of stripping gas.Drainpipe 138 and air inlet pipe 139 for example may be disposed at the bottom of ammonia nitrogen stripping system 13.
It holds, the liquid of cathode chamber 1133 enters ammonia nitrogen stripping system 13 from the top of ammonia nitrogen stripping system 13, recycles ammonia
After nitrogen, liquid is back to the cathode chamber of electricity hydrolysis ammonia nitrogen piece-rate system 11 from the bottom of ammonia nitrogen stripping system 13 by pump 137 again
1133。
Ammonia nitrogen recovery system 15 is connected to the first exit end 131 of ammonia nitrogen stripping system 13, i.e., for ammonia-nitrogen desorption system
The ammonia that 13 strippings go out of uniting is recycled.
The embodiment of the present invention also provides a kind for the treatment of process of solid waste, and the equipment used is that above-mentioned solid is useless
The processing unit 10 of gurry.Its technological process includes：Pending organic matter is subjected to electric water by electricity hydrolysis ammonia nitrogen piece-rate system 11
Solution, the liquid after hydrolysis are input to ammonia nitrogen stripping system 13 with by the NH in liquid4 +Ammonia nitrogen recycling is input in the form of ammonia
System 15 is recycled.
On the one hand above-mentioned technique can hydrolyze the hydrogen ion (H that film separation reaction system Anodic generates by electricity+) to promote
The hydrolysis of larger molecular organics in waste water, improves the removal efficiency of organic matter.On the other hand film separation reaction can be hydrolyzed by electricity
Cathode generates hydroxyl (OH in system-) to promote the release of free ammonia, it reduces and even avoids follow-up ammonia aeration process to alkalinity
The demand of medicament is conducive to save operating cost.In addition, electricity hydrolysis film separation reaction system uses cation-exchange membrane 114, it can
Make NH4 +Cation enters cathode chamber 1133, substantially increases NH4 +Concentration, to reduce follow-up ammonia aeration system and ammonia nitrogen
The volume of recovery system 15 reduces capital cost.
Test example
Experimental study is carried out by taking pig manure as an example.Pig manure is derived from Nanjing pig farm, a concentration of 40g/L of dry solid in excrement,
Suspended sediment concentration is 32.9g/L.Multiplicating examination is carried out by the treatment process of solid waste provided in an embodiment of the present invention
It tests.
The dischargeable capacity of electricity hydrolysis ammonia nitrogen piece-rate system 11 is 10L, and yin, yang electrode is all made of Ti electrode, membrane area is
0.03m2, amberplex 114 is CR67HMR cationic membranes.When charge density is 17.5V, the ammonia nitrogen in cathode chamber 1133
Concentration is 8-10 times of anode chamber 1131, pH 8.2-8.5.Compared with ammonia nitrogen in directly recycling digestive juice, the ammonia in the present invention
5-6 times of the volume reducing of nitrogen blow-removing system 13 and ammonia nitrogen recovery system 15, required basic agent dosage reduces 40%-
60%.
It can thus be seen that can be effectively removed by the treatment process of solid waste provided in an embodiment of the present invention organic
Object reduces the dosage of basic agent, reduces the volume of follow-up ammonia aeration system and ammonia nitrogen recovery system 15.
In conclusion the processing unit 10 of solid waste provided by the invention is simple, and it is at low cost, it is suitable for class containing ammonia nitrogen
The debirs of substance are handled.The treatment process of the solid waste of offer simply take it is short, not only contribute to improve organic matter
Removal efficiency, additionally it is possible to reduce even avoid use basic agent, be conducive to save operating cost.
Above example is a part of the embodiment of the present invention, instead of all the embodiments.The embodiment of the present invention it is detailed
Thin description is not intended to limit the range of claimed invention, but is merely representative of the selected embodiment of the present invention.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of processing unit of solid waste, which is characterized in that including electricity hydrolysis ammonia nitrogen piece-rate system, ammonia nitrogen stripping system
With ammonia nitrogen recovery system；The arrival end of the ammonia nitrogen stripping system is connected to the primary outlet end of the electricity hydrolysis ammonia nitrogen piece-rate system
And for that will input the ammonia nitrogen stripping system through the liquid after the electricity hydrolysis ammonia nitrogen piece-rate system electricity hydrolysis, the ammonia nitrogen is blown
The first exit end of de- system is connected to the arrival end of the ammonia nitrogen recovery system and is used to blow through the ammonia nitrogen stripping system
The ammonia of gained inputs the ammonia nitrogen recovery system recycling after de-.
2. the processing unit of solid waste according to claim 1, which is characterized in that the electricity hydrolysis ammonia nitrogen segregative line
System includes that electricity hydrolysis room, amberplex, first electrode, second electrode and power supply, the amberplex are isolated the electricity
Hydrolysis room is divided into the anode chamber for being located at the amberplex both sides and cathode chamber and for will be in the anode chamber
NH4 +It exchanges to the cathode chamber, for inputting pending solid waste, the cathode chamber goes out the arrival end of the anode chamber
For being connected to the arrival end of the ammonia nitrogen stripping system, the first electrode is set to the anode chamber for mouthful end, and described second
Electrode is set to the cathode chamber, the first electrode and the second electrode with the power electric connection.
3. the processing unit of solid waste according to claim 2, which is characterized in that anode chamber's middle-jiao yang, function of the spleen and stomach is extremely not
Cathode is stainless steel material electrode in rust Steel material electrode and/or the cathode chamber；
Preferably, the stainless steel material electrode is Ti electrode.
4. the processing unit of solid waste according to claim 2, which is characterized in that the amberplex be sun from
Proton exchange.
5. the processing unit of solid waste according to claim 2, which is characterized in that the electricity hydrolysis ammonia nitrogen segregative line
System is additionally provided with digestive juice outlet end, and the digestive juice outlet end is set to the anode chamber and for the anode chamber to be ionized institute
The digestive juice output electricity hydrolysis ammonia nitrogen piece-rate system obtained.
6. the processing unit of solid waste according to claim 2, which is characterized in that the electricity hydrolysis ammonia nitrogen segregative line
It is provided with blender in the anode chamber of system.
7. the processing unit of solid waste according to claim 2, which is characterized in that the ammonia nitrogen stripping system it is interior
Portion is provided with contains NH for adsorbing4 +Ammonia nitrogen substance filler.
8. the processing unit of solid waste according to claim 7, which is characterized in that the ammonia nitrogen stripping system also wraps
The second outlet end being connected to the cathode chamber is included, the filler is set to the arrival end of the ammonia nitrogen stripping system and the ammonia
Between the second outlet end of nitrogen blow-removing system, by the ammonia for the cathode chamber output that the arrival end of the ammonia nitrogen stripping system enters
Nitrogen substance is transferred back to the cathode chamber after the filling adsorption from the second outlet end of the ammonia nitrogen stripping system.
9. the processing unit of solid waste according to claim 1, which is characterized in that the ammonia nitrogen stripping system also connects
It is connected with the drainpipe for brine to be discharged and the air inlet pipe for inputting stripping gas.
10. a kind for the treatment of process of solid waste, which is characterized in that include the following steps：It is any using such as claim 1-9
Pending solid organic matters are hydrolyzed ammonia nitrogen piece-rate system by the electricity and carry out electricity by the processing unit of the solid waste described in
Hydrolysis, the liquid after hydrolysis are input to the ammonia nitrogen stripping system with by the NH in the liquid4 +It is input in the form of ammonia
The ammonia nitrogen recovery system is recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155977.9A CN108372189A (en) | 2018-02-23 | 2018-02-23 | The processing unit of solid waste and the treatment process of solid waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155977.9A CN108372189A (en) | 2018-02-23 | 2018-02-23 | The processing unit of solid waste and the treatment process of solid waste |
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| CN108372189A true CN108372189A (en) | 2018-08-07 |
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| CN201810155977.9A Pending CN108372189A (en) | 2018-02-23 | 2018-02-23 | The processing unit of solid waste and the treatment process of solid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116262641A (en) * | 2021-12-15 | 2023-06-16 | 哈尔滨工业大学（深圳） | Method for recycling ammonia nitrogen in wastewater by enhanced biological electrodialysis system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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