CN109912079A - Organic sewage treating system and organic wastewater treatment - Google Patents
Organic sewage treating system and organic wastewater treatment Download PDFInfo
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- CN109912079A CN109912079A CN201910305059.4A CN201910305059A CN109912079A CN 109912079 A CN109912079 A CN 109912079A CN 201910305059 A CN201910305059 A CN 201910305059A CN 109912079 A CN109912079 A CN 109912079A
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- 239000010865 sewage Substances 0.000 title claims abstract description 119
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 145
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims abstract description 69
- 239000011344 liquid material Substances 0.000 claims abstract description 23
- 230000003647 oxidation Effects 0.000 claims abstract description 23
- 238000004064 recycling Methods 0.000 claims abstract description 18
- 239000011343 solid material Substances 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000005416 organic matter Substances 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 21
- 239000000126 substance Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 iron ion Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000009284 supercritical water oxidation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to a kind of organic sewage treating system and organic wastewater treatment, organic sewage treating system includes: oxidation reaction apparatus, including first to third port；Sewage pump, for pretreated organic sewage to be provided to oxidation reaction apparatus by first port；Recycling ejector, for air and supercritical water to be provided to oxidation reaction apparatus by second port；And separator, it is connect with third port to receive the outputting material of oxidation reaction apparatus offer, and outputting material is separated into gas material, solid material and containing the liquid material of liquid water, wherein, recycling ejector, which is utilized, obtains supercritical water from the liquid water of liquid material and/or the liquid water of sewage pump, organic sewage carries out supercritical oxidation with air in supercritical water and reacts, using supercritical water as oxide isolation, have the advantages that it is nontoxic incombustible, improve organic sewage processing stability and efficiency.
Description
Technical field
The present invention relates to organic sewage processing technology field, relate more specifically to a kind of organic sewage treating system and organic
Sewage water treatment method.
Background technique
Sewage treatment is so that sewage reaches the water quality requirement for being discharged into a certain water body or reusing and purified to it
Process.It is each that sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
A field.
Traditional sewage treatment generally uses biologic treating technique, but biologic treating technique is poor to biodegradability, opposite
The big substance processing of molecular mass is more difficult, and high-level oxidation technology (Advanced Oxidation Technology, AOT)
The hardly degraded organic substance and the stronger organic matter of stability in water can be effectively removed.In addition, high-level oxidation technology can be with
Larger molecular organics are decomposed into small molecule bioavailable organic matter, are effectively improved the biodegradability of sewage.Advanced oxidation skill
Art mainly includes Fenton oxidation (Fenton), catalytic ozonation, electrochemical oxidation etc..
Wherein, Fenton oxidation needs that acid-base accommodation pH value is added in oxidation reaction, and can introduce iron ion in the solution.
The energy consumption of electrochemical oxidation is high, and there are problems that pole plate corrosion or passivation in oxidation reaction process, reacts unstable.It is smelly
Oxygen catalysis oxidation has selectivity, cannot aoxidize certain hardly degraded organic substances.For these reasons, lead to Fenton oxidation, ozone
Catalysis oxidation and electrochemical oxidation exist when handling hardly degraded organic substance reacts halfway problem, limits advanced oxidation
The development that technology is handled in organic sewage.
Supercritical water refers to that the Fujian of the water expanded due to high temperature is all and due to high pressure when air pressure and temperature reach certain value
The exactly like water of the density of compressed vapor.At this point, be not different between the liquids and gases of water, become a kind of new
The liquid of high pressure-temperature state is presented.Water with this condition has many unique properties, such as hydro carbons nonpolar organic matter
It can dissolve each other completely with supercritical water as polar organic matter, the gases such as oxygen, nitrogen, carbon monoxide, carbon dioxide also can be with
Arbitrary proportion is dissolved in supercritical water, and solubility very little of the inorganic matter especially salt in supercritical water, supercritical water also has
There is good heat transfer character.These characteristics make supercritical water become a kind of excellent reaction medium, therefore supercritical water oxidation
Technology can just make up the above method in the deficiency of organic sewage process field.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of organic sewage treating system and organic wastewater treatment,
Using supercritical water as oxide isolation, have the advantages that nontoxic incombustible, improves the stability of organic sewage processing
And efficiency.
According to a first aspect of the embodiments of the present invention, a kind of organic sewage treating system is provided, comprising:
Oxidation reaction apparatus, including first to third port；
Sewage pump is connect with the first port, for mentioning pretreated organic sewage by the first port
It is supplied to the oxidation reaction apparatus；
Recycling ejector is connect with second port, for air and supercritical water to be provided to by the second port
The oxidation reaction apparatus；And
Separator is connect to receive the outputting material that the oxidation reaction apparatus provides with the third port, and will
The outputting material is separated into gas material, solid material and the liquid material containing liquid water, wherein the cyclic spray
Device obtains the supercritical water according to from the liquid water of the liquid material and/or the liquid water of the sewage pump, and will
The supercritical water is provided to the oxidation reaction apparatus, and the organic sewage that the sewage pump provides is mentioned with the recycling ejector
The air of confession carries out supercritical oxidation reaction in the supercritical water.
Preferably, the organic sewage treating system further include:
Pretreatment unit, for removing suspended solid in the organic sewage and undissolved organic matter to obtain
State pretreated organic sewage；And
Surge tank, for the pretreated organic sewage and/or liquid water to be provided to the sewage pump.
Preferably, the organic sewage treating system further include:
Compressor is connect with the recycling ejector, for being compressed air and being provided to the recycling ejector.
Preferably, the separator includes:
Solid-liquid separator is connect to receive the outputting material, for isolating the output with the third port
Solid material in material；And
Sequentially connected first gas-liquid separator and the second gas-liquid separator, first gas-liquid separator and described second
Gas-liquid separator is used to isolate the gas material and liquid material in the outputting material.
Preferably, first gas-liquid separator and second gas-liquid separator be all respectively include: inlet, exhaust outlet
And liquid outlet.
Preferably, the separator further include:
Turbine is connected between the exhaust outlet and the compressor of first gas-liquid separator, first gas-liquid
The gas material of separator discharge provides power via the turbine for the compressor.
Preferably, the separator further include:
Steam generator is connected between the solid-liquid separator and the inlet of first gas-liquid separator, described
Steam generator is used to obtain high steam using the outputting material.
Preferably, the separator further include:
Pressure-regulating valve, the pressure-regulating valve are set to the inlet and first gas of second gas-liquid separator
Between the liquid outlet of liquid/gas separator.
Preferably, first gas-liquid separator is high-pressure gas-liquid separator, and second gas-liquid separator is low pressure gas
Liquid/gas separator.
Preferably, the organic sewage treating system further include:
Electric heater is connected between the sewage pump and the oxidation reaction apparatus, for providing the sewage pump
Liquid water be heated to supercriticality.
According to a second aspect of the embodiments of the present invention, a kind of organic wastewater treatment is provided, comprising:
Organic sewage is pre-processed；
In oxidation reaction apparatus, pretreated organic sewage carries out super face with the oxygen in air in supercritical water
Boundary's oxidation reaction, obtains outputting material；
The outputting material is separated into gas material, solid material and containing the liquid material of liquid water, the liquid
At least partly liquid water in body material is used to form the supercritical water.
Preferably, described to include: to the pretreated step of organic sewage progress
The organic sewage is provided to pretreatment unit to remove suspended solid in the organic sewage and insoluble
The organic matter of solution is to obtain the pretreated organic sewage；
The pretreated organic sewage is provided to the sewage pump via surge tank；And
The pretreated organic sewage is provided to the oxidation reaction apparatus by the sewage pump.
Preferably, it is described the organic sewage is pre-processed before further include: Xiang Suoshu surge tank provide liquid water,
And the liquid water is provided to the oxidation reaction apparatus, and the liquid that the sewage pump is provided via the sewage pump
Water is heated to supercriticality.
Preferably, the organic wastewater treatment further include: compression processing is carried out to the air, and by the compression
Air later is provided to the oxidation reaction apparatus.
Preferably, described the outputting material to be separated into gas material, solid material and containing the liquid of liquid water
The step of material includes:
The solid material in the outputting material is isolated by solid-liquid separator；And
The liquid material gone out in the outputting material by the first gas-liquid separator and the second gas-liquid separator separates is gentle
Body material.
Preferably, the organic wastewater treatment further include: the gas gone out using first gas-liquid separator separates
Material provides power to air compression process.
Preferably, the organic wastewater treatment further include: obtain high steam using the outputting material.
Preferably, the reaction temperature of the supercritical oxidation reaction is 500-700 DEG C.
Preferably, the reaction pressure of the supercritical oxidation reaction is 24-50Mpa.
Preferably, the reaction time of the supercritical oxidation reaction is 1-10 minutes.
Organic sewage treating system and organic wastewater treatment in the present invention have beneficial effect below.
Using supercritical water as oxide isolation, have the advantages that nontoxic incombustible；And in oxidation reaction process
Only air is needed to participate in, does not need to introduce other oxidation materials, reduce pollution and reaction cost；In addition, the present embodiment
Not the problem of organic wastewater treatment is not needed using electrode, therefore there is no electrode corrosion and passivation during processing, instead
Answer process more stable；The reaction time of organic wastewater treatment of the invention is short, and energy can exhaustive oxidation in 1 minute
99.9% toxic hardly degraded organic substance, it is more efficient, and the water obtained after reacting can direct reuse.Organic sewage processing
System designs and produces simply, and the low energy consumption of operational process is also able to achieve while having compared with little makings cost.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the structural schematic diagram according to the organic sewage treating system of the embodiment of the present invention；
Fig. 2 is the step flow chart according to the organic wastewater treatment of the embodiment of the present invention.
Specific embodiment
The various embodiments that the present invention will be described in more detail that hereinafter reference will be made to the drawings.In various figures, identical element
It is indicated using same or similar appended drawing reference.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
Fig. 1 shows the structural schematic diagram of organic sewage treating system according to an embodiment of the present invention, as shown in Figure 1, organic
Sewage disposal system include pretreatment unit 1, surge tank 2, sewage pump 3, oxidation reaction apparatus 4,5 compressor 6 of solid-liquid separator,
Recycling ejector 7 and separator.
Pretreatment unit 1 is used to remove suspended solid in organic sewage and undissolved organic matter to be pre-processed
Organic sewage afterwards.
Further, organic sewage is passed through into coarse rack and fine fack to filter out the suspended matter in organic sewage.
Surge tank 2 is connected to the liquid outlet of pretreatment unit 1, for pretreated organic sewage to be provided to sewage pump
3。
Oxidation reaction apparatus 4 includes first port to third port, and each port is used for through pipeline and organic dirt
Other devices of water treatment system connect.
Sewage pump 3 is connect with first port 41, for mentioning pretreated organic sewage by the first port 41
It is supplied to the oxidation reaction apparatus 4.
Compressor 6 is connect with recycling ejector 7, for being compressed and being provided in recycling ejector 7 by air.Circulation
Injector 7 is connect with second port 42, for air to be provided to the oxidation reaction apparatus 4 by the second port 42.
Separator is connect to receive the outputting material of the offer of oxidation reaction apparatus 4, for isolating with third port 43
Solid material, gas material in outputting material and the liquid material comprising liquid water.
Pretreated organic sewage enters the oxidation reaction apparatus 4 by the first port 41, and air passes through institute
It states second port 42 and enters the oxidation reaction apparatus 4, the oxygen in the pretreated organic sewage and the air exists
Supercritical oxidation reaction is carried out in supercritical water in oxidation reaction apparatus 4.It reacts obtained outputting material and passes through the third
Port 43 enters separator, and separator obtains the liquid material comprising liquid water, liquid material from the outputting material
A part be provided to oxidation reaction apparatus 4 via the recycling ejector 7, continue to participate in oxidation reaction apparatus 4 super faces
Boundary's oxidation reaction；Another part, which passes into, to be isolated the gas material therein and obtains water purification.
Further, the supercritical oxidation reaction pressure in oxidation reaction apparatus 4 is 24-50Mpa, and reaction temperature is
500-700℃。
Further, further include preparation before organic sewage processing, i.e., be provided to liquid water described slow
Tank 2 is rushed, is then suppressed, liquid water is provided in oxidation reaction apparatus 4, so that the liquid water can by sewage pump 3
To be recycled in the organic sewage treating system.Further, the water inlet of oxidation reaction apparatus 4 is provided with electricity and adds
Hot device, electric heater heat the liquid water of circulation, so that the liquid water of the circulation reaches supercriticality.It is organic
Hardly degraded organic substance in sewage reacts rapidly in supercritical water with the oxygen in air, so that organic matter complete oxidation, oxygen
The heat for changing release is enough other water in oxidation reaction apparatus 4 being heated to supercriticality, makes under homogeneous phase condition
Organic matter is reacted with oxygen.Recycling ejector 7 is also used to that liquid water will be obtained from the outputting material that reaction obtains simultaneously
It is provided in oxidation reaction apparatus 4, therefore can be omitted in subsequent reaction process and liquid water is heated to be surpassed
The step of critical.
Further, the supercritical oxidation reaction time in oxidation reaction apparatus 4 is 1-10 minutes.
Further, separator includes solid-liquid separator 5, and solid-liquid separator 5 is connected to the third port 43, is used for
Isolate the solid materials such as the inorganic salts in the outputting material.
Further, the also sequentially connected multiple gas-liquid separators of separator carry out multi-stage gas-liquid point to outputting material
From processing, with the gas material and liquid material being kept completely separate out in outputting material.
In one embodiment, separator includes sequentially connected first gas-liquid separator 9 and the second gas-liquid separator
12, the first gas-liquid separator 9 and the second gas-liquid separator 12 successively carry out gas-liquid separation to the outputting material.
Further, the first gas-liquid separator 9 and the second gas-liquid separator 12 be all respectively include: inlet 51, exhaust outlet
52 and liquid outlet 53.The inlet of first gas-liquid separator 9 is used to receive the outputting material, the second gas-liquid separator 12
The inlet is connected to the liquid outlet of first gas-liquid separator 9, the liquid outlet of the second gas-liquid separator 12
For finally obtained liquid water to be discharged.
Further, separator further includes turbine 8, turbine 8 be connected to the exhaust outlet of the first gas-liquid separator 9 with
Between compressor 6.First gas-liquid separator 9 is, for example, high-pressure gas-liquid separator, and the first gas-liquid separator 9 will be in outputting material
N2With most CO2It is discharged by exhaust outlet, the gas of discharge is that compressor 6 provides power via turbine 8.
Further, separator further includes steam generator 10, and steam generator 10 is connected to going out for solid-liquid separator 5
Between liquid mouth and the inlet of the first gas-liquid separator 9, the outputting material enters described the via the steam generator 10
One gas-liquid separator 9.Steam generator 10 is also used to obtain high steam, institute using the liquid of the high temperature and pressure in outputting material
Stating high steam can be used for the heat supply of other technique productions or life heating.
Further, separator further includes pressure-regulating valve 11, and pressure-regulating valve 11 is set to second gas-liquid point
Inlet from device 12 and between the liquid outlet of first gas-liquid separator 9.Liquid material warp in first gas-liquid separator 9
Second gas-liquid separator 12 is entered by pressure-regulating valve 11, the second gas-liquid separator 12 is, for example, low-pressure gas-liquid separator, separation
Gas (mainly CO out2) be discharged by exhaust outlet, obtained liquid water is discharged by liquid outlet.The pressure-regulating valve 11
It can be any one of pressure reducing valve, throttle valve and speed governing valve.
Fig. 2 shows the step flow charts of organic wastewater treatment according to an embodiment of the present invention.At the organic sewage
Reason method can be realized based on above-mentioned organic sewage treating system.Wherein, the organic wastewater treatment includes following step
Suddenly.
In step s101, organic sewage is pre-processed, and pretreated organic sewage is provided to oxidation instead
Answer device.
In this step, the organic sewage of collection initially enters in pretreatment unit 1, remove solid matter therein and
Undissolved organic matter, the organic sewage after obtained pretreatment enter surge tank 2, are provided to again via sewage pump 3 later
Oxidation reaction apparatus 4.
In step s 102, air is provided to the oxidation reaction apparatus, the pretreated organic sewage and institute
It states the oxygen in air and carries out supercritical oxidation reaction in the supercritical water of the oxidation reaction apparatus, obtain outputting material.
In this step, air is passed through in compressor 6 first, when being compressed to certain pressure, is provided to cyclic spray
Air is provided to oxidation reaction apparatus 4 by device 7, recycling ejector 7, and the oxygen in pretreated organic sewage and air is super
Supercritical oxidation reaction is carried out in critical.
In step s 103, outputting material is separated into gas material, solid material and containing the liquids of liquid water
Expect, the operative liquid water in liquid material is used to form supercritical water.
In this step, the outputting material that oxidation reaction apparatus 4 obtains initially enters solid-liquid separator 5, isolates output
The solid materials such as the inorganic salts in material, remaining liquid material are divided into two, and a part is provided to oxygen via recycling ejector 7
Change reaction unit 4, continues to participate in reaction in oxidation reaction apparatus 4 to form the supercritical water, another part passes through separation
The gas material in the liquid material finally obtains liquid water out.
Further, the supercritical oxidation reaction pressure in oxidation reaction apparatus 4 is 24-50Mpa, and reaction temperature is
500-700℃。
Further, further include preparation before organic sewage processing, i.e., be provided to liquid water described slow
Tank 2 is rushed, is suppressed by sewage pump 3, so that the liquid water is recycled in the organic sewage treating system, is used in combination
Electric heater heats the water of circulation, to obtain supercritical water.Hardly degraded organic substance and oxygen in organic sewage is super
It is reacted rapidly in critical, so that organic matter complete oxidation, the heat for aoxidizing release is enough other in oxidation reaction apparatus 4
Water be heated to supercriticality, under homogeneous phase condition organic matter is reacted with oxygen.Recycling ejector 7 is also used simultaneously
In the liquid water in outputting material is provided to oxidation reaction apparatus 4, therefore can be omitted in subsequent reaction process to liquid
The step of state water is heated to obtain supercritical water.
Further, the supercritical oxidation reaction time in oxidation reaction apparatus 4 is 1-10 minutes.
Further, separator further includes sequentially connected multiple gas-liquid separators, to anti-during gas-liquid separation
Liquid is answered to carry out multi-stage gas-liquid separating treatment, to completely remove the gas in liquid material.In one embodiment, by liquids
Material passes sequentially through the first gas-liquid separator 9 and the second gas-liquid separator 12 carries out two-stage gas-liquid separation to obtain liquid water.
Further, the high pressure gas generated in gas-liquid separation step is also used to provide power to compressor 6.
Further, it is also used to obtain high steam using the liquid material in gas-liquid separation step.
Organic sewage treating system and organic wastewater treatment in the present invention are situated between using supercritical water as oxidation
Matter has the advantages that nontoxic incombustible；And only air is needed to participate in oxidation reaction process, it does not need to introduce other oxygen
Compound matter reduces pollution and reaction cost；In addition, the organic wastewater treatment of the present embodiment is not needed using electrode,
Therefore the problem of there is no electrode corrosion and passivation during processing, reaction process is more stable；Organic sewage of the invention
The reaction time of processing method is short, in 1 minute can exhaustive oxidation 99.9% toxic hardly degraded organic substance, efficiency is more
Height, and the water obtained after reacting can direct reuse.The organic sewage treating system design and produce simply, have compared with little makings at
This while, is also able to achieve the low energy consumption of operational process.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Finally, it should be noted that obviously, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
The obvious changes or variations that Shen goes out are still in the protection scope of this invention.
Claims (20)
1. a kind of organic sewage treating system characterized by comprising
Oxidation reaction apparatus (4), including first to third port；
Sewage pump (3) is connect with the first port (41), for pretreated organic sewage to be passed through the first port
(41) oxidation reaction apparatus (4) are provided to；
Recycling ejector (7) is connect with second port (42), described for air to be provided to by the second port (42)
Oxidation reaction apparatus (4)；And
Separator is connect to receive the outputting material that the oxidation reaction apparatus provides with the third port (43), and will
The outputting material is separated into gas material, solid material and the liquid material containing liquid water,
Wherein, the oxidation reaction apparatus through the recycling ejector receipt source in the liquid water of the liquid material and/or
Liquid water is received through the sewage pump, and obtains supercritical water, the organic sewage that the sewage pump provides using the liquid water
Supercritical oxidation is carried out in the supercritical water with the air that the recycling ejector provides to react.
2. organic sewage treating system according to claim 1, which is characterized in that further include:
Pretreatment unit (1), for removing suspended solid in the organic sewage and undissolved organic matter to obtain
State pretreated organic sewage；And
Surge tank (2), for the pretreated organic sewage and/or liquid water to be provided to the sewage pump (3).
3. organic sewage treating system according to claim 1, which is characterized in that further include:
Compressor (6) is connect with the recycling ejector (7), for being compressed air and being provided to the cyclic spray
Device (7).
4. organic sewage treating system according to claim 3, which is characterized in that the separator includes:
Solid-liquid separator (5) is connect to receive the outputting material, for isolating the output with the third port (43)
Solid material in material；And
Sequentially connected first gas-liquid separator (9) and the second gas-liquid separator (12), first gas-liquid separator (9) and institute
The second gas-liquid separator (12) are stated for isolating gas material and liquid material in the outputting material.
5. organic sewage treating system according to claim 4, which is characterized in that first gas-liquid separator (9) and
Second gas-liquid separator (12) is all respectively include: inlet (51), exhaust outlet (52) and liquid outlet (53).
6. organic sewage treating system according to claim 5, which is characterized in that the separator further includes turbine
(8), it is connected between the exhaust outlet and the compressor (6) of first gas-liquid separator (9), first gas-liquid separator
(9) gas material being discharged is that the compressor (6) provide power via the turbine (8).
7. organic sewage treating system according to claim 5, which is characterized in that the separator further include:
Steam generator (10), be connected to the solid-liquid separator (5) and first gas-liquid separator (9) inlet it
Between, the steam generator (10) is used to obtain high steam using the outputting material.
8. organic sewage treating system according to claim 5, which is characterized in that the separator further include:
Pressure-regulating valve (11), the pressure-regulating valve (11) are set to inlet and the institute of second gas-liquid separator (12)
Between the liquid outlet for stating the first gas-liquid separator (9).
9. organic sewage treating system according to claim 4, which is characterized in that first gas-liquid separator is high pressure
Gas-liquid separator, second gas-liquid separator are low-pressure gas-liquid separator.
10. organic sewage treating system according to claim 1, which is characterized in that further include:
Electric heater is connected between the sewage pump (3) and the oxidation reaction apparatus (4), for mentioning the sewage pump
The liquid water of confession is heated to supercriticality.
11. a kind of organic wastewater treatment characterized by comprising
Organic sewage is pre-processed；
In oxidation reaction apparatus, the oxygen in pretreated organic sewage and air carries out overcritical oxygen in supercritical water
Change reaction, obtains outputting material；
The outputting material is separated into gas material, solid material and containing the liquid material of liquid water, the liquids
At least partly liquid water in material is used to form the supercritical water.
12. organic wastewater treatment according to claim 11, which is characterized in that described to be located in advance to organic sewage
The step of reason includes:
The organic sewage is provided to pretreatment unit (1) to remove the suspended solid in the organic sewage and not dissolve
Organic matter to obtain the pretreated organic sewage；
The pretreated organic sewage is provided to the sewage pump (3) via surge tank (2)；And
The pretreated organic sewage is provided to the oxidation reaction apparatus by the sewage pump (3).
13. organic wastewater treatment according to claim 12, which is characterized in that described to be carried out to the organic sewage
Before pretreatment further include:
Liquid water is provided to the surge tank (2), and the liquid water is provided to the oxidation instead via the sewage pump (3)
Device is answered, and the liquid water that the sewage pump (3) provide is heated to supercriticality.
14. organic wastewater treatment according to claim 11, which is characterized in that further include: the air is carried out
Compression processing, and the air after the compression is provided to the oxidation reaction apparatus.
15. organic wastewater treatment according to claim 14, which is characterized in that described to separate the outputting material
Include: for gas material, solid material and liquid material containing liquid water
The solid material in the outputting material is isolated by solid-liquid separator (5)；And
By the first gas-liquid separator (9) and the second gas-liquid separator (12) isolate liquid material in the outputting material and
Gas material.
16. organic wastewater treatment according to claim 15, which is characterized in that further include: utilize first gas
The gas material that liquid/gas separator (9) is isolated provides power to air compression process.
17. organic wastewater treatment according to claim 11, which is characterized in that further include: utilize the output
Material obtains high steam.
18. organic wastewater treatment according to claim 11, which is characterized in that the supercritical oxidation reacts anti-
Answering temperature is 500-700 DEG C.
19. organic wastewater treatment according to claim 11, which is characterized in that the supercritical oxidation reacts anti-
Answering pressure is 24-50Mpa.
20. organic wastewater treatment according to claim 11, which is characterized in that the supercritical oxidation reacts anti-
It is 1-10 minutes between seasonable.
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| CN113893581A (en) * | 2021-10-28 | 2022-01-07 | 南京沿江资源生态科学研究院有限公司 | Organic solvent innocent treatment system |
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