CN102190363A - Supercritical water oxidation reactor by using auxiliary fuel for supplying heat - Google Patents
Supercritical water oxidation reactor by using auxiliary fuel for supplying heat Download PDFInfo
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- CN102190363A CN102190363A CN 201110121463 CN201110121463A CN102190363A CN 102190363 A CN102190363 A CN 102190363A CN 201110121463 CN201110121463 CN 201110121463 CN 201110121463 A CN201110121463 A CN 201110121463A CN 102190363 A CN102190363 A CN 102190363A
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- 239000000446 fuel Substances 0.000 title claims abstract description 55
- 238000009284 supercritical water oxidation Methods 0.000 title abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 19
- 238000001704 evaporation Methods 0.000 claims abstract description 11
- 230000008020 evaporation Effects 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 239000010815 organic waste Substances 0.000 abstract description 4
- 239000007800 oxidant agent Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000006065 biodegradation reaction Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000010612 desalination reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 238000012802 pre-warming Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
- C02F11/086—Wet air oxidation in the supercritical state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a supercritical water oxidation reactor by using an auxiliary fuel for supplying heat, the heat required for a reaction can be supplied by using the auxiliary fuel, Material, fuel and an oxidizing agent (air or oxygen) are mixed with a high efficiency through the different directional jets for raising oxidation efficiency. According to the invention, the reactor employs a combination structure of evaporation wall and pot type backflow, the reaction vessel volume is effectively used and the reaction time is increased, the blockage problem generated by salt deposition can be also prevented, the corrosion problem of the reactor is effectively reduced. The temperature of the reactor bottom can be preciously controlled through a cooling water pipeline at the reactor bottom, thereby the safe operation of equipment is guaranteed. The reactor effectively solves the economic problem of a supercritical water reaction system by using the auxiliary fuel for supplying, the invention has the advantage of easy industrial amplification, and is widely applied to organic liquid such as high density and difficult biodegradation organic waste water/garbage leachate and the like for a harmlessness processing.
Description
Affiliated field
The invention belongs to environment protection and chemical field, particularly utilize supercritical water the useless organic liquids such as organic waste water/percolate of high density bio-refractory to be carried out a kind of super-critical water treatment reactor of innocent treatment procedure as reaction medium.
Background technology
Supercritical water be meant temperature and pressure all be higher than its stagnation point (T=374.2 ℃, the water of special state P=22.1MPa).Supercritical water has the character of liquid and vaporous water concurrently, and specific inductivity is similar to non-polar organic solvent, has high spread coefficient and low viscosity.Under this state, organism, oxygen can dissolve each other by maximum ratio and supercritical water, thereby make inhomogeneous reaction become homogeneous reaction, have reduced the resistance of mass transfer, heat transfer greatly.And the solubleness of inorganic salts in supercritical water is extremely low, easily it is separated.Therefore but the characteristic of this continually varying density of supercritical water, low electrostatic media constant, low viscosity makes it become a kind of ideal response medium with high diffusibility, high resolution.Can utilize the variation of its temperature and pressure to control reaction environment, concerted reaction speed and chemical equilibrium, regulate selectivity of catalyst etc.
Supercritical water oxidation technology (Supercritical Water Oxidation, be called for short SCWO) be the special property of utilizing water under supercritical state, to be had, make organism and oxygenant that oxidizing reaction take place rapidly in supercritical water and come thorough decomposing organic matter, it is changed into harmless CO fully
2, H
2And H
2Micromolecular compounds such as O.The SCWO technology is for handling hazardous and noxious substances (as dyestuff refuse, pharmacy refuse, lubricant refuse, the transformer oil that contains PCBs, radioactivity mixed waste, polychlorobiphenyl, easy volatile acid etc.), the organic waste (mud, paper mill slip etc.) of high-concentration hardly-degradable, the military harmful toxic matter (chemical weapons that those difficulties disappear and ruin, rocket propellant, explosive etc.) has unique effect.
Though the supercritical water treatment technology has obtained very much progress, about using the testing apparatus and the commercial apparatus of supercritical water technology, have relevant report at present both at home and abroad, but still have problems such as the blockage problem that salt sedimentation causes in the reactor to be solved, high erosion rate problem and performance driving economy, be in particular in:
1) material corrosion problem.Because supercritical water reaction apparatus is under high temperature, the condition of high voltage, especially contains halogen, sulphur or phosphorus etc. in the organism, can produce acid after in supercritical water, decomposing, cause the strong corrosion of equipment; Even have better corrosion proof nickel-base material, in supercritical water, particularly in subcritical water, still suffer serious corrosion easily.
2) salt sedimentation problem.Water at normal temperature is a kind of fine solvents to most of salt, and solubleness is bigger.On the contrary, most of salt solubleness in low-density supercritical water is minimum.When subcritical solution is heated to supercritical temperature rapidly, because the solubleness of salt reduces significantly, has a large amount of precipitations to separate out, the sedimentary salt device that can induce reaction is imported and exported line clogging, the normal operation that this has not only influenced reactor also can bring the potential hidden trouble of equipment.
3) economy problems.Though the SCWO process is a thermopositive reaction, just can realize self-heating when organic massfraction reaches 2～3%, in the device start process, still need external heat source that it is carried out concurrent heating.The type of heating overwhelming majority of at present external supercritical water oxidation plants adopts the electrically heated form, and this not only causes the facility investment expense huge, and the heavy industrialization application of this technology has been caused huge obstacle.
Summary of the invention
The purpose of this invention is to provide a kind of auxiliary fuel that utilizes as the method for anaplerotic reaction heat new texture overcritical water oxidization reactor, and then improve the economy of device operational process with the problem that solves supercritical water oxidation process energy supply.In addition, require this reactor easy disassembly, load easily and catalyst changeout more, be easy to maintenance and safeguard, can safe and reliable operation, have multifunctionality.
For reaching above purpose, the present invention takes following technical scheme to be achieved:
A kind of overcritical water oxidization reactor that utilizes auxiliary fuel supply heat, comprise kettle and catalyst tank wherein, it is characterized in that the kettle upper end is fixedly connected with end cap, space between end cap and the top, catalyst tank case top is a high temperature combustion zone, and the catalyst tank below is the salt disengaging zone; The autoclave body bottom center is provided with the solid salt relief outlet, and solid salt relief outlet top is subcritical dissolved salt district; Cooling water outlet and liquid salt relief outlet that autoclave body bottom is provided with the product outlet, is communicated with subcritical dissolved salt district; Cool air inlet and material inlet are set on the end cap, and are communicated with high temperature combustion zone by axial channel; The end cap center is provided with fuel core tubular axis to putting in end cap in the high temperature combustion zone top; Between fuel core pipe periphery and the end cap annular space is arranged, the end cap side has hot air inlet by horizontal hole and annular space UNICOM; Fuel core pipe puts in end cap portions and divides the tube wall outside to be provided with helical fin; First temperature-measuring casing that has armoured thermocouple on the end cap axially puts in the end cap; Catalyst tank is fixed on around the vertical section of pipe core, and the tilting section of pipe core is communicated with the outlet of the product of autoclave body bottom; Be provided with the tubular porous evaporator wall near inner wall of kettle, the kettle arranged outside has second temperature-measuring casing of evaporation wall water inlet and armoured thermocouple to be communicated in porous evaporator wall and the formed ring cavity of inner wall of kettle.
In the such scheme, end cap cooling annular groove is set below end cap, comprises being used for air cooled inner groove and being used for material refrigerative outer groove, there are two circle holes the inner groove bottom surface, and the downward oblique fuel core tube side of inner ring hole is to, the oblique porous evaporator wall direction of cycle hole; The outer groove bottom surface have a circle hole downward oblique fuel core tube side to.
Described fuel core pipe lower end outlet is blind hole structure, when fuel flows out blind hole by around the tube wall tiltedly down 4 perforates of direction to around form jet.
Described catalyst tank is a cylindrical shell, and this cylindrical shell bottom inlet and cylindrical shell top exit are the porous plectane, its top porous plectane top be provided with can be for convenience detach spherical case lid.
Be provided with the 3rd temperature-measuring casing of built-in armoured thermocouple near described autoclave body bottom subcritical dissolved salt district and the salt disengaging zone.
Compare with existing overcritical water oxidization reactor, the invention has the advantages that:
1, the present invention is directed to issuable high temperature after the fuel combustion, the reactor end cap that multithread is threaded a pipe is set.Cold conditions oxygenant and material can both be built cooling effect to reactor end.Further, the cooling annular groove is set below the reactor end cap, high temperature combustion zone and end cap lower plane effectively can be kept apart.And be furnished with the pod apertures of different directions below the annular groove in cooling, make fuel, oxygenant and material realize sufficient jets collision from different perspectives in the combustion zone, promote the high efficient mixed and the burning of fuel, the high temperature of emitting during the effectively required heat of anaplerotic reaction, and burning can thoroughly decompose hard-degraded substances such as ammonia nitrogens effectively.
2, end cap of the present invention week side have hot air inlet by outside horizontal direction duct and the fuel core pipe and the annular space between the end cap be communicated with, as high temperature oxidation agent transfer line.Core pipe bottom is provided with helical fin, and outlet at bottom is a blind hole structure, and the oblique bottom of fuel is sprayed all around, enlarges burning area, the jets collision of efficient realization and oxidant fluid.
3, at reactor bottom the cooling water inlet is set,, can accurately controls salt discharge district temperature by regulating the cooling water flow size.Work as reactor bottom desalination pipeline simultaneously and stop up, can be by regulating cooling water flow to improve the solvability of bottom salt; When reacting device overtemperature, super high pressure accident, can feed water coolant and reduce the inside reactor temperature and pressure fast, guarantee the safe operation of equipment.
4, catalyst tank and spherical case lid are set and are fixed on the pipe core by the form of welding at inside reactor, the catalyst tank entrance and exit is porous plate.The reactor end cap and in catalyst tank is set kettle in conjunction with the seal cavity that the back forms, form many deflector types structure, can overcome the long shortcoming of tubular reactor size, effectively utilize the reaction kettle body internal volume, increase the reaction times.
The overcritical water oxidization reactor of fuel make up heat disclosed by the invention can be widely used in the harmless treatment and the recycling process of the useless organic liquids such as organic waste water/percolate of high density, bio-refractory.
Description of drawings
Fig. 1 utilizes the structural representation of the super-critical water treatment reactor of auxiliary fuel supply heat for the present invention.Wherein 1, holding bolt; 2, catalyst tank; 3, kettle; 4, porous evaporator wall; 5, liquid salt relief outlet; 6, solid salt relief outlet; 7, product outlet; 8, cooling water inlet; 9, evaporation wall water inlet; 10, end cap cooling annular groove; 11, hot air inlet; 12, fuel core pipe; 13, cool air inlet; 14, material inlet; 15, end cap; 16, high temperature combustion zone; 17, subcritical dissolved salt district; 18, desalination district temperature-measuring casing; 19, evaporation wall ring cavity temperature-measuring casing; 20, reactor end cap temperature-measuring casing; 21, salt disengaging zone; 22, pipe core.
Embodiment
As shown in Figure 1, a kind of overcritical water oxidization reactor that utilizes auxiliary fuel supply heat forms the confined reaction space by end cap 15 and kettle 3 by holding bolt 1 combination.Space between end cap 15 and the catalyst tank dome top is a high temperature combustion zone 16, and the catalyst tank lower zone is salt disengaging zone 21, and the autoclave body bottom center is provided with solid salt relief outlet 6, and its upper area is subcritical dissolved salt district 17.
Fuel core pipe adopts corrosion-resistant, high temperature alloy material, fuel core pipe puts in end cap portions and divides the tube wall outside to be provided with helical fin (not drawing among the figure), make oxygenant (air or oxygen) fluid produce eddy flow to promote itself and the high efficient mixed of fuel, the while can make things convenient for the installation and the location of core pipe.Cool air inlet 13 (along uniform four all around of end cap central bore), material inlet 14 (along uniform four of end cap central bore periphery) also are set on the end cap, be communicated with high temperature combustion zone 16 by axial channel, low-temperature oxidation agent (freezing air or oxygen) is by cool air inlet 13 inflow reactors.The cold conditions material is entered in the reactor by material inlet 14.Cold conditions material and low-temperature oxidation agent can both be played the effect of end cap refrigerative.The end cap temperature-measuring casing 20 that has armoured thermocouple on the end cap axially puts in the end cap, to measure the conversion zone temperature.
Cause the potential safety hazard of end cap overtemperature in order to prevent high temperature combustion zone 16 from may emit too high heat, end cap cooling annular groove 10 is set below reactor end cap 15.Annular groove is welded on the end cap below, inner groove is air cooling annular groove (a cool air inlet passage relatively), two circle ducts are arranged at the annular groove bottom, the downward oblique fuel core tube side of inner ring hole to, the oblique porous evaporator wall direction of cycle hole, the former offers the fuel secondary air, guarantees full combustion of fuel, and the latter offers material and carries out oxidation wholly or in part; Outer groove is material cooling annular groove (a material inlet passage relatively), the bottom surface have a circle hole downward oblique fuel core tube side to, low-temperature material is effectively wrapped up flame zone, reduce high temperature fluid, also can effectively cool off end cap to the influence that evaporation wall caused.The reactor end cap is provided with temperature-measuring casing 20 and built-in armoured thermocouple carries out temperature survey.This structure can make material, cold conditions oxygenant, high temperature oxidation agent and fuel fluid form jets collision from different directions, carries out efficiently mixed and forms the high-temperature zone, helps the removal of difficult oxidizing substance (for example ammonia nitrogen etc.).
Be provided with tubular porous evaporator wall 4 near kettle 3 inwalls, the kettle arranged outside has evaporation wall water inlet 9 and temperature-measuring casing 19 to be communicated in porous evaporator wall and the formed ring cavity of inner wall of kettle.After entering the evaporation wall ring cavity from evaporation wall water inlet 9 after the clean water preheating, pass porous evaporator wall and form even moisture film, can effectively prevent salt sedimentation and corrosion in the inboard.Temperature-measuring casing 19 built-in armoured thermocouples are measured the temperature distribution with monitoring reaction device kettle wall temperature, evaporation wall wall temperature and inside reactor reacting fluid, with the adjusting that realizes the subsequent reactions condition, the Gradient distribution and the safety control of temperature.
Catalyst tank 2 is fixed on around pipe core 22 vertical sections, and the tilting section of pipe core is communicated with the product of autoclave body bottom outlet 7.Catalyst tank 2 is a cylindrical shell, and bottom inlet and top exit are the porous plectane.Its top exit porous plectane top be provided with can be for convenience detach spherical case lid, adopt screw retention on the catalyst tank cylindrical shell.Can be provided with suspension ring on this sphere case lid, the mechanical work when making things convenient for catalyzer to change.Case lid is kept apart combustion zone and catalytic domain, and makes reacting fluid can carry out concurrent heating to the case lid inner fluid effectively at combustion zone institute liberated heat, to satisfy the flow process requirement.
Kettle 3 bottoms are provided with cooling water inlet 8, can regulate cooling water inflow with control dissolved salt district temperature according to processing condition in reaction process.Also have two effects simultaneously: (i) stop up the solvability of salt bottom improving by the feeding of water coolant when reactor bottom desalination pipeline; (ii) when reacting device overtemperature, super high pressure accident, can feed water coolant and reduce the inside reactor temperature and pressure fast, guarantee the safe operation of equipment.The desalination zone that desalination district temperature-measuring casing 18 and built-in armoured thermocouple are deep into catalyzer casing bottom is being set near the subcritical dissolved salt district 17 and near the salt disengaging zone 21, salt disengaging zone 21 and storage salt district 17 temperature are being detected.The outlet of kettle 3 bottom centre is for solid salt relief outlet 6, and according to the actually operating situation, intermittent type is discharged insoluble salt.Solvability salt is discharged reactor by liquid salt relief outlet 5 continous ways.
Concrete working process of the present invention is, fuel and oxygenant enter inside reactor by fuel core pipe 12 and core pipe outside annular space respectively after by high temperature preheating.When temperature reached the fuel firing point, fuel and oxygenant burning were rapidly emitted big calorimetric.Material through low-temperature prewarming enters in the reactor end cap air ring groove 10 by material inlet 14 and cool air inlet 13 respectively with the oxygenant of a part without preheating.Material, oxygenant and fuel carry out jet, head-on collision from different directions, carry out the high efficient mixed heat release in the combustion zone.Reacting fluid flows to the reactor below through behind the high temperature combustion zone from the annular space between the catalyst tank outside and the evaporation wall, and solid salt separates in desalination district 21 with reacting fluid under action of gravity.After carrying out the gravity desalting process, fluid flows to beds top after entering catalyst tank by catalyst tank lower end porous plectane, after the catalytic oxidation process, enters pipe core 22, exports 7 outflow reactors by product from top to bottom.Solid salt after the separation enters dissolved salt district 17, and discharges by the solid salt relief outlet 6 of bottom, and solvability salt is discharged reactor by liquid salt relief outlet 5.
Claims (5)
1. overcritical water oxidization reactor that utilizes auxiliary fuel supply heat, comprise kettle and catalyst tank wherein, it is characterized in that the kettle upper end is fixedly connected with end cap, space between end cap and the top, catalyst tank case top is a high temperature combustion zone, and the catalyst tank below is the salt disengaging zone; The autoclave body bottom center is provided with the solid salt relief outlet, and solid salt relief outlet top is subcritical dissolved salt district; Cooling water inlet and liquid salt relief outlet that autoclave body bottom is provided with the product outlet, is communicated with subcritical dissolved salt district; Cool air inlet and material inlet are set on the end cap to be communicated with high temperature combustion zone by axial channel; The end cap center is provided with fuel core tubular axis to putting in end cap in the high temperature combustion zone top; Between fuel core pipe periphery and the end cap annular space is arranged, the end cap side has hot air inlet by horizontal hole and annular space UNICOM; Fuel core pipe puts in end cap portions and divides the tube wall outside to be provided with helical fin; First temperature-measuring casing that has armoured thermocouple on the end cap axially puts in the end cap; Catalyst tank is fixed on around the vertical section of a pipe core, and the tilting section of pipe core is communicated with the outlet of the product of autoclave body bottom; Be provided with the tubular porous evaporator wall near inner wall of kettle, the kettle arranged outside has second temperature-measuring casing of evaporation wall water inlet and armoured thermocouple to be communicated in porous evaporator wall and the formed ring cavity of inner wall of kettle.
2. the overcritical water oxidization reactor that utilizes auxiliary fuel supply heat as claimed in claim 1, it is characterized in that, end cap cooling annular groove is set below end cap, comprise and be used for air cooled inner groove and be used for material refrigerative outer groove, there are two circle holes the inner groove bottom surface, the downward oblique fuel core tube side of inner ring hole is to, the downward oblique porous evaporator wall direction of cycle hole; The outer groove bottom surface have a circle hole downward oblique fuel core tube side to.
3. the overcritical water oxidization reactor that utilizes auxiliary fuel supply heat as claimed in claim 1, it is characterized in that, described fuel core pipe lower end outlet is blind hole structure, when fuel flows out blind hole by around the tube wall tiltedly down 4 perforates of direction to around form jet.
4. the overcritical water oxidization reactor that utilizes auxiliary fuel supply heat as claimed in claim 1, it is characterized in that, described catalyst tank is a cylindrical shell, and this cylindrical shell bottom inlet and cylindrical shell top exit are the porous plectane, establishes dismountable spherical case lid on its top porous plectane.
5. the overcritical water oxidization reactor that utilizes auxiliary fuel supply heat as claimed in claim 1 is characterized in that, is provided with the 3rd temperature-measuring casing of built-in armoured thermocouple near autoclave body bottom subcritical dissolved salt district and the salt disengaging zone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110121463XA CN102190363B (en) | 2011-05-12 | 2011-05-12 | Supercritical water oxidation reactor by using auxiliary fuel for supplying heat |
| PCT/CN2011/078050 WO2012151794A1 (en) | 2011-05-12 | 2011-08-05 | Supercritical water oxidation reactor using auxiliary fuel to supply heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110121463XA CN102190363B (en) | 2011-05-12 | 2011-05-12 | Supercritical water oxidation reactor by using auxiliary fuel for supplying heat |
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|---|---|
| CN102190363A true CN102190363A (en) | 2011-09-21 |
| CN102190363B CN102190363B (en) | 2012-11-28 |
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| CN201110121463XA Expired - Fee Related CN102190363B (en) | 2011-05-12 | 2011-05-12 | Supercritical water oxidation reactor by using auxiliary fuel for supplying heat |
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| WO (1) | WO2012151794A1 (en) |
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| CN103193309A (en) * | 2012-01-04 | 2013-07-10 | 新奥科技发展有限公司 | Mixed desalination method and device for wastewater |
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| CN109574194A (en) * | 2019-01-23 | 2019-04-05 | 南京新奥环保技术有限公司 | Supercritical water oxidation treatment system |
| CN109574194B (en) * | 2019-01-23 | 2024-06-07 | 南京新奥环保技术有限公司 | Supercritical water oxidation treatment system |
| CN110124584A (en) * | 2019-06-19 | 2019-08-16 | 广西大学 | A kind of tubular type evaporation wall reactor for supercritical water oxidation processing |
| US11401180B2 (en) | 2019-06-28 | 2022-08-02 | Battelle Memorial Institute | Destruction of PFAS via an oxidation process and apparatus suitable for transportation to contaminated sites |
| US11970409B2 (en) | 2019-06-28 | 2024-04-30 | Revive Environmental Technology, Llc | Destruction of PFAS via an oxidation process and apparatus suitable for transportation to contaminated sites |
| CN112902161A (en) * | 2021-01-29 | 2021-06-04 | 西安交通大学 | Fully premixed water-cooled gas burner with dynamically adjustable gas flow channel |
| CN114735801A (en) * | 2022-03-16 | 2022-07-12 | 石家庄新奥环保科技有限公司 | Supercritical water oxidation reactor |
| CN114790028A (en) * | 2022-04-29 | 2022-07-26 | 西安交通大学 | Multi-return-stroke supercritical water oxidation reactor |
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| WO2012151794A1 (en) | 2012-11-15 |
| CN102190363B (en) | 2012-11-28 |
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