CN110342629A - Supercritical water oxidation system and its reaction unit - Google Patents
Supercritical water oxidation system and its reaction unit Download PDFInfo
- Publication number
- CN110342629A CN110342629A CN201910762253.5A CN201910762253A CN110342629A CN 110342629 A CN110342629 A CN 110342629A CN 201910762253 A CN201910762253 A CN 201910762253A CN 110342629 A CN110342629 A CN 110342629A
- Authority
- CN
- China
- Prior art keywords
- reaction
- cavity
- flow blocking
- blocking device
- supercritical water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 96
- 238000009284 supercritical water oxidation Methods 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 124
- 230000000903 blocking effect Effects 0.000 claims abstract description 67
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 206010068516 Encapsulation reaction Diseases 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 60
- 238000009833 condensation Methods 0.000 claims description 56
- 230000005494 condensation Effects 0.000 claims description 56
- 238000005086 pumping Methods 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 45
- 238000009434 installation Methods 0.000 claims description 37
- 239000002826 coolant Substances 0.000 claims description 21
- 230000006837 decompression Effects 0.000 claims description 21
- 239000000376 reactant Substances 0.000 claims description 20
- 239000007795 chemical reaction product Substances 0.000 claims description 19
- 238000001802 infusion Methods 0.000 claims description 18
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 230000001590 oxidative effect Effects 0.000 claims description 17
- 238000004062 sedimentation Methods 0.000 claims description 17
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 239000007800 oxidant agent Substances 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 description 37
- 231100000719 pollutant Toxicity 0.000 description 37
- 239000012530 fluid Substances 0.000 description 16
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007071 enzymatic hydrolysis Effects 0.000 description 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of supercritical water oxidation devices, it include: reactor body, the first flow blocking device and the second flow blocking device, gas port is formed on the side wall of reactor body, gas port inner end is connected with reaction cavity, the surface of first flow blocking device is equipped with first through hole, and reaction cavity is divided into reaction zone and isolated area by the first flow blocking device；Second flow blocking device is circumferentially positioned at the outside of the first flow blocking device; the surface of second flow blocking device is equipped with the second through-hole; the inside of second flow blocking device and the outside of the first flow blocking device form isolated area; the outside of second flow blocking device and the inner wall of reaction cavity form protection zone; enter the protective gas of protection zone from gas port; it is entered in isolated area through the second flow blocking device, encapsulation reaction material is simultaneously stopped and is limited within isolated area.The invention also discloses a kind of supercritical water oxidation systems including the supercritical water oxidation device.
Description
Technical field
The present invention relates to a kind of supercritical water oxidation system and its reaction units, more particularly to can be in higher temperature and pressure
Under the conditions of to pollutant carry out oxidation processes erosion protection system, belong to environmental equipment field.
Background technique
Water under in a supercritical state has the special physicochemical properties between vaporous water and liquid water, benefit
It is used to be referred to as pollutant supercritical water oxidation as the medium of pollutant deep oxidation processing.Pollutant supercritical water oxidation tool
Have and reacts fast, degrades thoroughly, the advantages such as without secondary pollution.However, the technical requirements pollutant high temperature, high pressure, strong oxidizing property,
It degrades under hydrothermal condition, this means that pollutant is needed by this is first-class to normal temperature and pressure again from normal temperature and pressure to high temperature and pressure
Journey, equipment corresponding with the process may be summarized to be material pre-heating system, supercritical water oxidation system, material condenser system.
Pollutant is degraded to carbon dioxide, water and the corresponding mineral acid of contained hetero atom and salt after these three systems.And
Equipment and materials may relate to high temperature and pressure, strong oxidizing property, highly acid, hydrothermal system, anion, Yi Jicheng in this process
The working condition of the very severes such as the complicated waste material environment of part, is faced with the danger of heavy corrosion and failure.The corruption of equipment and materials
Erosion failure not only seriously restricts the development of supercritical Water Oxidation Technology in device design, and due to itself and equipment safety fortune
Row is closely related, becomes the critical bottleneck of supercritical Water Oxidation Technology application conversion.
Although the etching problem that domestic and international scientists are directed to supercritical Water Oxidation Technology equipment and materials has been carried out
Relatively broad and in-depth study, but due to service condition harshness so that device complex, and material under this condition
Corrosion data and data are extremely limited, so so far, anticorrosion technique simple, easy, efficient and with application prospect
Still extremely lack.In view of above-mentioned pollutant supercritical water oxidation apparatus equipment and materials anticorrosion technique exploitation significance and
Its various predicament faced at present, it is necessary to which studying one kind can etch-proof supercritical water oxidation system.
Summary of the invention
The technical problem to be solved by the present invention is a kind of supercritical water oxidation system and its reaction unit are provided, to solve
Pollutant supercritical water oxidation system, especially its reaction unit easily fail because of corrosion when carrying out supercritical water oxidation
The problem of.
The technical scheme is that a kind of supercritical water oxidation device, is applied in hydrothermal oxidization reaction, this is super
Critical oxidation reaction apparatus includes:
Reactor body has a reaction cavity, gas port, the gas port is formed on the side wall of the reactor body
Inner end is connected with the reaction cavity, and the outer end of the gas port extends to outside the reactor body, in the reaction cavity
Top be equipped with material outlet, be equipped with material inlet in the lower part of the reaction cavity, the material inlet include reactant into
Mouthful or and oxidant inlet；
First flow blocking device, is set in the reaction cavity, and the surface of the first flow blocking device is equipped with first through hole, and described the
The reaction cavity is divided into reaction zone and isolated area by one flow blocking device, wherein the reaction zone is located in the reaction cavity
Portion, and the reaction zone is connected with the material inlet and the material outlet；
Second flow blocking device, is set in the reaction cavity, and is looped around the outside of the first flow blocking device, second flow blocking
The surface of device is equipped with the second through-hole, and the inside of the second flow blocking device forms described be isolated with the outside of the first flow blocking device
Area, the outside of the second flow blocking device and the inner wall of the reaction cavity form protection zone；
The protective gas for entering the protection zone from the gas port, enters in the isolated area through the second flow blocking device,
Encapsulation reaction material is simultaneously stopped and is limited within the isolated area, and the reaction material in the isolated area is from described anti-
Area is answered to enter through the first flow blocking device, the air pressure of the protective gas is greater than when the reaction material hydrothermal oxidization reacts
System pressure.
Preferably, the inner wall of the reaction cavity is formed with the first nitrogen oxygen protecting film layer.
Preferably, the both ends of the first flow blocking device and the second flow blocking device are removably fixed in the reaction cavity
Inner wall on.
Preferably, the aperture of the first through hole is greater than the aperture of second through-hole.
Preferably, the reactor body is the cylindrical body made of nickel-base alloy；
The first flow blocking device is the cylindrical body made of nickel-base alloy, and it is logical to be evenly equipped with described first on the surface of the cylindrical body
Hole；
The second flow blocking device is the cylindrical body made of nickel-base alloy, and it is logical to be evenly equipped with described second on the surface of the cylindrical body
Hole.
The present invention also provides a kind of supercritical water oxidation systems, comprising:
Material pumping device, including reactant pumping installations and protection gas pumping installations；
Material preheating device, including preheater, the preheater include feed end, preheating cavity and discharge end, the feed end
Suitable for receive by the reactant pumped come to reaction material, after preheating cavity preheating from it is described out
Expect end output；
The supercritical water oxidation device, the material inlet are suitable for what reception was exported from the discharge end of the preheater
To reaction material, the outer end of the gas port is suitable for receiving the protective gas from the protection gas pumped, and will protect
It protects in gas flow guiding to the protection zone；
Material condensing unit, comprising:
Condenser, including condensation material import, condensation cavity and condensation material outlet, the condensation material import are suitable for receiving from described anti-
The reaction product for answering the material outlet of device ontology to be discharged, the condensation material outlet is suitable for will be condensed anti-through the condensation cavity
Product is answered to be discharged；
Pressure reducer, including decompression material inlet, decompression material outlet and gas discharge outlet, the decompression material inlet with it is described cold
The condensation material outlet of condenser is connected, and the reaction product after the decompression material outlet is used to depressurize is discharged, the gas row
The gas that mouth is suitable for generating reaction product decompression process is put to be discharged.
Preferably, the condenser further include:
Drainage device is set in the condensation chamber body, and the surface of the drainage device is equipped with delivery hole, and the drainage device will be described
Condensation cavity is divided into condensing zone and liquid infeed area, and the condensing zone exports phase with the condensation material import and the condensation material
Even；
Infusion hole is formed on the side wall of the condensation cavity, and the inner end of the infusion hole is connected with the condensation cavity, described
The outer end of infusion hole extends to the outer end of the condensation cavity；
From the infusion hole enter the liquid infeed area coolant liquid, through the delivery hole enter in the condensing zone with react production
Object contacts and reaction product is made to cool.
Preferably, the supercritical water oxidation system further include:
Precipitation separation device, comprising:
Sedimentation basin, the sedimentation basin are connected with the decompression material outlet of the pressure reducer, and being suitable for will be after pressure reducer decompression
Reactants separate be liquid and solid；
Reservoir is connected with the sedimentation basin, the liquid flowed out suitable for receiving storage from the sedimentation basin；
The material pumping device further include:
Coolant liquid pumping installations, the coolant liquid pumping installations are suitable for the liquid pumping in the reservoir to the infusion hole
It is used as coolant liquid.
Preferably, the inner wall of the condensation cavity is formed with the second nitrogen oxygen protecting film layer.
Preferably, the preheating cavity is straight pipe shape, and wall surface is formed with the protection of third nitrogen oxygen in the preheating cavity body
Film layer.
The beneficial effects of the present invention are: supercritical water oxidation device of the present invention in reaction cavity by being arranged first
Reaction cavity is divided into reaction zone and isolated area by flow blocking device and the second flow blocking device, the first flow blocking device, and the second flow blocking device is around the
The setting of one flow blocking device, outside form protection zone, the common shape in outside of inside and the first flow blocking device with reaction cavity inner wall
At isolated area, gas port is formed on the wall surface of reaction cavity, protective gas can enter protection zone and isolation by gas port
Qu Zhong, encapsulation reaction material is simultaneously stopped and is limited within isolated area, since protective gas is continuously pumped from surrounding
Enter in reaction cavity, the pollutant supercritical water oxidation system with severe etching characteristic is not only made to be mainly limited to react
Area and isolated area, and by continuously disturbing the oxidation reaction system, pollutant is accelerated in the oxidative degradation of reaction zone, is improved
The efficiency of reactor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of supercritical water oxidation system in an embodiment；
Fig. 2 is the schematic diagram of preheating device in Fig. 1；
Fig. 3 is the schematic diagram of supercritical water oxidation device in Fig. 1；
Fig. 4 is the schematic diagram of material condensing unit in Fig. 1；
Fig. 5 is the frame diagram of material pumping device in Fig. 1；
Fig. 6 is the schematic diagram of precipitation separation device in Fig. 1；
Description of symbols:
100 material pumping devices；
110 reactant pumping installations, 111 pollutant pumping installations, 112 oxidant pumping installations；120 protection gas pumping installations；
130 coolant liquid pumping installations；
200 material preheating devices；
210 preheaters；211 preheating cavitys；212 feed ends；213 discharge ends；214 third nitrogen oxygen protecting film layer；
300 supercritical water oxidation devices；
310 reactor bodies；320 gas ports；330 material outlets；340 material inlets；350 first flow blocking devices；360 second flow blockings
Device；370 first nitrogen oxygen protecting film layer；
400 material condensing units；
410 condensers, 411 condensation cavitys, 412 infusion holes, 413 drainage devices, 414 second nitrogen oxygen protecting film layer, 415 condensation materials
Import, the outlet of 416 condensation materials；420 pressure reducers；
500 precipitation separation devices；
510 sedimentation basins；520 reservoirs.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1, for the structural schematic diagram of the supercritical water oxidation system in an embodiment.In present embodiment
Supercritical water oxidation system include material pumping device 100, material preheating device 200, supercritical water oxidation device 300,
Material condensing unit 400 and precipitation separation device 500.
Also referring to Fig. 1 and Fig. 5, material pumping device 100 is mainly used for pumping involved by supercritical water oxidation
The material arrived, such as pollutant, oxidant, protection gas and coolant liquid etc..Specifically, material pumping device 100 includes reactant
Pumping installations 110, protection gas pumping installations 120 and coolant liquid pumping installations 130, reactant pumping installations 110 can according to
Depending on the type and delivery position of reaction material, such as when needing that pollutant and oxidant are pumped to different location respectively,
Such as pollutant pump is sent to material preheating device 200, and oxidant pump is sent in supercritical water oxidation device 300
When, it may include pollutant pumping installations 111 and oxidant pumping installations 112.Protection gas pumping installations 120 is mainly used for pumping
Send protective gas, and coolant liquid pumping installations 130 is mainly used for giving coolant pump into condenser 410 and uses.In this embodiment party
In formula, pollutant pumping installations 111 can be liquid high-pressure pumps, and oxidant pumping installations 112 can be liquid high-pressure pumps or gas
Body booster pump, protection gas pumping installations 120 can be gas booster pump, and coolant liquid pumping installations 130 can be liquid booster pump.
Certainly, in other embodiments, it also can choose corresponding pumping installations.
Also referring to Fig. 1 and Fig. 2, material preheating device 200, including preheater 210, electric heating and temperature control facility, with
Pollutant aqueous fluid is preheating to certain temperature by technique requirement, is then sent to reactor.Material preheating device 200 is existing
Conventional material electric heating system.In general, preheater 210 is a high-temperature high-pressure apparatus, it is made of nickel-base alloy.Specifically, in advance
Hot device 210 includes feed end 212, preheating cavity 211 and discharge end 213, wherein feed end 212 is suitable for receiving to be pumped by reactant
Send device 110 pump come to reaction material, preheated cavity 211 exports after preheating from discharge end 213.
Inside preheater 210, pollutant may be hydrolyzed to the organic matters such as short chain alcohol, ketone, aldehyde, hydrocarbon, carboxylic acid, it is also possible to portion
Divide carbonization.For this purpose, preheating cavity 211 is preferably straight pipe shape, to prevent carbonized product or inorganic impurity in 210 inner wall of preheater
Surface deposits and leads to the flowing of pollutant hydrothermal fluid slowly, influences the heat transfer matter process of preheater 210.
Furthermore, it is contemplated that the fluid that 210 inside of preheater is faced is mainly the pyrohydrolysis reaction system of pollutant, operating condition
Condition is related to higher temperature, high pressure, anoxic, aqueous fluid, organic pollutant, inorganic impurity etc., has certain corrosivity.It is preferred that
It is formed with third nitrogen oxygen protecting film layer 214 in preheating 211 inner wall of cavity, to avoid pollutant hot water enzymatic hydrolysis system and preheater
210 material of main parts directly contact.The nitrogen oxygen protective film is in higher temperature (such as 400-600 DEG C) and pressure (5-20MPa) item
Under part with a certain proportion of nitrogen-oxygen mixed gas long duration of action and formed, have preferable Corrosion Protection.
The electric heating facility of preheater 210 is mainly used for pollutant aqueous fluid being heated to predetermined temperature.In order to guarantee dirt
The preheating temperature of object aqueous fluid is contaminated, is generally the preheating for being slightly above pollutant fluid and needing to reach by 210 temperature setting of preheater
Temperature.When operation, also its preheating temperature can be indirectly controlled by the flow rate of pollutant aqueous fluid, i.e., by adjusting reactant
The pump rate of pumping installations 110 controls residence time of the pollutant hydrothermal fluid in preheater 210, to reach to regulate and control it
The purpose of temperature.
Also referring to Fig. 1 and Fig. 3, supercritical water oxidation device 300, including reactor body 310, the first flow blocking
Device 350, the second flow blocking device 360 and attached heater and temperature control facility, the effect of heating facility are to guarantee supercritical water
The temperature of oxidation reactor can reach actual requirement, carry out the oxidation reaction to reaction material under determined temperature, and
Place of the reactor body 310 as supercritical water oxidation.Since heater and temperature control facility are on reactor body 310
Known auxiliary device, and not reinflated be herein described.
Reactor body 310 has a reaction cavity, several gas ports is offered on the side wall of reactor body 310
320,320 inner end of gas port is connected with reaction cavity, and the outer end of gas port 320 extends to outside reactor body 310, in reaction chamber
The top of body is equipped with material outlet 330, is equipped with material inlet 340 in the lower part of reaction cavity, material inlet 340 includes reactant
Import or and oxidant inlet, can as needed depending on.
In one example, reactor body 310 be the cylindrical body made of nickel-base alloy, lower end open up there are two into
Mouthful, one is reaction-ure inlet, and one is oxidant inlet, and the upper end offers a material outlet 330, preheats by material
Pollutant hydrothermal fluid after device 200 preheats is entered in reaction cavity by reaction-ure inlet, and oxidant is then oxidized
Agent pumping installations 112 is pumped into reaction cavity from from oxidant inlet, and pollutant and oxidant mix instead in reaction cavity
It answers, by supercritical water oxidation degradation treatment, and the material outlet 330 by being located at upper end is delivered to material condensing unit 400.And
The outer end of gas port 320 is then connected with protection gas pumping installations 120, is supplied needed for this system as protection gas pumping installations 120
High voltage protective gas.
Preferably, the first nitrogen oxygen protecting film layer 370 is formed in the inner wall of reaction cavity.Specifically, by anti-
It answers the inner wall of cavity to carry out nitrogen oxidation processing, covers its surface by one layer of fine and close nitrogen oxygen protective film, further enhance
The Corrosion Protection of overcritical water oxidization reactor, avoids pollution object supercritical water oxidation system and reactor body material is direct
Contact, prevents the corrosion failure in reactor operational process.The forming process of nitrogen oxygen protective film is as previously mentioned, no longer superfluous herein
It states.
First flow blocking device 350, is set in reaction cavity.Specifically, the first flow blocking device 350 is made of nickel-base alloy
Cylindrical body is evenly equipped with several first through hole on the surface of the cylindrical body.The upper and lower ends of first flow blocking device 350 are detachably fixed
In on the inner wall of reaction cavity.For example, the upper and lower ends of the first flow blocking device 350 pass through bolt and nut is fixedly connected on instead
It answers on the upper lower wall surface of cavity, to facilitate periodic inspection or replace the flow blocking device.
Reaction cavity is divided into reaction zone and isolated area by the first flow blocking device 350, and wherein reaction zone is located at reaction cavity
Middle part, and reaction zone is connected with material inlet 340 and the material outlet 330, and reaction zone is as to the main of reaction material
Hydrothermal oxidization place.
Second flow blocking device 360, is set in reaction cavity, and is looped around the outside of the first flow blocking device 350.Specifically,
Two flow blocking devices 360 are the cylindrical body made of nickel-base alloy, are evenly equipped with several second through-holes on the surface of the cylindrical body.Second every
The upper and lower ends of stream device 360 are removably fixed on the inner wall of reaction cavity.For example, up and down the two of the second flow blocking device 360
End is fixedly connected on the upper lower wall surface of reaction cavity by bolt and nut, to facilitate periodic inspection or replace the flow blocking
Device.
The inside of second flow blocking device 360 and the outside of the first flow blocking device 350 formation isolated area, and the second flow blocking device 360
The inner wall of outside and reaction cavity forms protection zone.The protective gas for entering protection zone from gas port 320, through the second flow blocking device
360 enter in isolated area, and encapsulation reaction material is simultaneously limited within isolated area, and the reaction material in isolated area is from anti-
Area's the first flow blocking device 350 is answered to enter, the air pressure of protective gas is greater than system pressure when reaction material oxidation reaction.
Since protective gas continuously pumps in reactor body 310 in a steady stream from surrounding, and via protection zone, isolated area into
Enter reaction zone, not only make the pollutant supercritical water oxidation system with severe etching characteristic be mainly limited to reaction zone and
Isolated area, and by continuously disturbing the oxidation reaction system, pollutant is accelerated in the oxidative degradation of reaction zone, is improved anti-
Answer the efficiency of device.
Preferably, the aperture of first through hole is greater than the aperture of the second through-hole.For example, the aperture of first through hole is 120-500
The advantages of mesh, the aperture of the second through-hole are 400-800 mesh, this kind of structure is biggish particle major limitation in reaction zone
It is interior, and slightly thin particle also exists only in isolated area, avoids solid particle and contacts with reactor wall surface and generate to it
Injury.
Also referring to Fig. 1 and Fig. 4, material condensing unit 400 is mainly used for supercritical water oxidation device 300
It is discharged after the reaction product cooling decompression of the high temperature and pressure of output.Including condenser 410 and pressure reducer 420.
Condenser 410 is mainly used for making the reaction product of high temperature and pressure to cool down.Condenser 410 include condensation cavity 411,
Drainage device 413 and infusion hole 412.
Cavity 411 is condensed, condensation material import 415 is equipped on condensation 411 top of cavity, is equipped in condensation 411 lower part of cavity
Condensation material outlet 416, condensation material import 415 are suitable for receiving the reactant being discharged from material outlet 330, and condensation material outlet 416 is suitable
It is discharged in by condensed reactant.In one example, condensation cavity 411 is the cylindrical body made of nickel-base alloy, thereon
End offers a condensation material import 415, and lower end offers a condensation material outlet 416, material from condensation material import 415 into
Enter into condensation cavity 411, from 416 discharge of condensation material outlet after the cooling that is condensed.
Preferably, the second nitrogen oxygen protecting film layer 414 is formed in the inner wall of condensation cavity 411.Specifically, by right
The inner wall for condensing cavity 411 carries out nitrogen oxidation processing, covers its surface by one layer of fine and close nitrogen oxygen protective film, further plus
The strong Corrosion Protection of condenser 410, avoids reaction product to be cooled from directly contacting with 410 material of main part of condenser, anti-
Only condense the corrosion failure in operational process.The forming process of nitrogen oxygen protective film is as previously mentioned, details are not described herein again.
Drainage device 413 is set in condensation cavity 411.Specifically, drainage device 413 is the tubular made of nickel-base alloy
Body is evenly equipped with several delivery holes on the surface of the cylindrical body.The upper and lower ends of drainage device 413 are removably fixed in condensation cavity
On 411 inner wall.For example, the upper and lower ends of drainage device 413 pass through bolt and nut is fixedly connected on condensation cavity 411
On upper lower wall surface, to facilitate periodic inspection or replace the drainage device 413.
Drainage device 413 will condense cavity 411 and be divided into condensing zone and liquid infeed area, and condensing zone and condensation material import 415
It is connected with condensation material outlet 416, main place of the condensing zone as reactant condensation cooling.
Infusion hole 412 is formed on the side wall of condensation cavity 411, and the inner end of infusion hole 412 is connected with condensation cavity 411,
The outer end of condensation cavity 411 is extended in the outer end of infusion hole 412, the coolant liquid of liquid infeed area is entered from infusion hole 412, through delivery hole
It enters in condensing zone and is contacted with reactant and make reactant cooling down.Coolant liquid is slowly penetrated in condenser 410 by surrounding
Condensing zone at the heart makes the reduction of its temperature after being mutually mixed with reacting fluid (reaction product).
Due to the not direct inner wall face contact with 410 cavity of condenser of reaction product, condenser can be effectively improved
410 Corrosion Protection.
Pressure reducer 420 is mainly used for depressurizing the reaction product of high pressure.Including decompression material inlet 340, gas row
Mouth and decompression material outlet 330 are put, decompression material inlet 340 is connected with the condensation material of condenser 410 outlet 416, gas discharge
The gas that mouth is suitable for generating reaction product decompression process is discharged, and depressurizes material outlet 330 for the reactant after depressurizing
Material discharge.Pressure reducer 420 for example can be air pressure reducer 420, be also possible to pressure reducing valve.
Also referring to Fig. 1 and Fig. 6, precipitation separation device 500 is mainly used for reaction product being separated into solid and liquid
Body.Including sedimentation basin 510 and reservoir 520.
Sedimentation basin 510 is mainly used for making the moieties in reaction product to be precipitated into solid.Sedimentation basin 510 and decompression
The decompression material outlet 330 of device 420 is connected, suitable for that will be liquid and solid through the reactants separate after the decompression of pressure reducer 420.
Reservoir 520 is connected with sedimentation basin 510, suitable for receiving the liquid flowed out from sedimentation basin 510.
Preferably, the water sucting port of coolant liquid pumping installations 130 is connected with reservoir 520, by the liquid in reservoir 520
Body is pumped to infusion hole 412 and uses as coolant liquid, has not only saved process water, but also keep equipment more compact and efficient, also
Conducive to the enrichment and collection of particular components certain in reaction mass.
This system is for three preheating involved in pollutant supercritical Water Oxidation Technology, supercritical water oxidation, condensation mistakes
The respective operating condition condition of journey handles this thinking based on minute design and differentiation, takes different arrange to each process
It applies, dramatically improves the Corrosion Protection of device.Due to taking the anticorrosive measure of differentiation, entire dress not only ensure that
The Corrosion Protection set, and be conducive to device fabrication and the reduction of operating cost, to solve, prior-art devices are complicated, manufacture
The various problems such as at high cost, operation poor controllability promote the application conversion of pollutant supercritical Water Oxidation Technology.
The processing method of supercritical water oxidation system is introduced below:
(1) contaminated material preheats
Step 1: setting 210 temperature of preheater is 300-400 DEG C, after 210 temperature of preheater reaches setting temperature, it is maintained at
The temperature.
Step 2: opening pollutant pumping installations 111, pollutant aqueous fluid is delivered to preheater according to given pace
210, so that it is heated to required temperature.
(2) supercritical water oxidation
Step 1: setting 300 temperature of supercritical water oxidation device, and open protection gas pumping installations 120(such as gas and increase
Press pump), protective gas is continuously pumped in supercritical water oxidation device 300 in a steady stream according to certain rate.
Step 2: the pollutant hydrothermal fluid after preheating is pumped into reaction cavity by reaction-ure inlet, will aoxidize
Agent is pumped into reaction cavity by oxidant inlet.Certainly, in other embodiments, pollutant and oxidant can be
It first mixes before into reaction cavity, is then pumped into reaction cavity together.
Step 3: after pollutant is oxidized degradation inside supercritical water oxidation device 300, from supercritical water oxidation
300 upper end material outlet 330 of reaction unit is exported to condenser 410.
(3) decrease temperature and pressure
Step 1: opening coolant liquid pumping installations 130(such as high-pressure pump), by gained water after the liquid handling in sedimentation basin 510
Fluid is pumped into inside condenser 410 according to given pace by infusion hole 412.
Step 2: reaction mass is transported to inside condenser 410 from 410 upper end of condenser, make its with from surrounding through leading
The coolant liquid that liquid device 413 enters is sufficiently mixed, and achievees the purpose that cooling.
Step 3: pressure reducer 420 is transported to, by subtracting after the reaction mass after cooling comes out from 410 lower end of condenser
After depressor 420, fluid is depressurized split-phase, generated gas direct emission, and liquid enters the centralized processing of sedimentation basin 510.
Step 4: the liquid guide flow of 510 middle and upper part of sedimentation basin is into reservoir 520, it can be to the liquid collected in reservoir 520
Body carries out proper treatment, and gained aqueous fluid is then pumped into condenser 410 as reaction mass by coolant liquid pumping installations 130
Cooling water.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of supercritical water oxidation device is applied in hydrothermal oxidization reaction, which is characterized in that the supercritical water oxidation
Reaction unit (300) includes:
Reactor body (310) has a reaction cavity, is formed with gas port on the side wall of the reactor body (310)
(320), gas port (320) inner end is connected with the reaction cavity, and the outer end of the gas port (320) extends to described anti-
It answers device ontology (310) outside, is equipped with material outlet (330) on the top of the reaction cavity, is set in the lower part of the reaction cavity
Have material inlet (340), the material inlet (340) include reaction-ure inlet or and oxidant inlet；
First flow blocking device (350), is set in the reaction cavity, and the surface of the first flow blocking device (350) is equipped with first
Through-hole, the reaction cavity is divided into reaction zone and isolated area by the first flow blocking device (350), wherein the reaction zone is located at
The middle part of the reaction cavity, and the reaction zone is connected with the material inlet (340) and the material outlet (330)；
Second flow blocking device (360), is set in the reaction cavity, and is looped around the outside of the first flow blocking device (350), institute
The surface for stating the second flow blocking device (360) is equipped with the second through-hole, the inside of the second flow blocking device (360) and first flow blocking
The outside of device (350) forms the isolated area, and the outside of the second flow blocking device (360) and the inner wall of the reaction cavity are formed
Protection zone；
The protective gas for entering the protection zone from the gas port (320) enters described through the second flow blocking device (360)
In isolated area, encapsulation reaction material is simultaneously stopped and is limited within the isolated area, the reaction material in the isolated area
It is to enter from the reaction zone through the first flow blocking device (350), the air pressure of the protective gas is greater than the reaction material
System pressure when hydrothermal oxidization reacts.
2. supercritical water oxidation device according to claim 1, which is characterized in that the inner wall of the reaction cavity
It is formed with the first nitrogen oxygen protecting film layer (370).
3. supercritical water oxidation device according to claim 1, which is characterized in that the first flow blocking device (350)
It is removably fixed on the inner wall of the reaction cavity with the both ends of the second flow blocking device (360).
4. supercritical water oxidation device according to claim 1, which is characterized in that the aperture of the first through hole is big
In the aperture of second through-hole.
5. supercritical water oxidation device according to claim 1, which is characterized in that the reactor body (310)
For the cylindrical body made of nickel-base alloy；
The first flow blocking device (350) is the cylindrical body made of nickel-base alloy, is evenly equipped with described the on the surface of the cylindrical body
One through-hole；
The second flow blocking device (360) is the cylindrical body made of nickel-base alloy, is evenly equipped with described the on the surface of the cylindrical body
Two through-holes.
6. a kind of supercritical water oxidation system characterized by comprising
Material pumping device (100), including reactant pumping installations (110) and protection gas pumping installations (120)；
Material preheating device (200), including preheater (210), the preheater (210) include feed end (212), preheating cavity
(211) and discharge end (213), the feed end (212) are suitable for what reception was come by the reactant pumping installations (110) pumping
To reaction material, exported after the preheating cavity (211) preheating from the discharge end (213)；
Supercritical water oxidation device (300) as described in claim 1 to 5 any one, the material inlet (340) are suitable
In receive export from the discharge end (213) of the preheater (210) to reaction material, the outer end of the gas port (320) is fitted
In the protective gas that reception is pumped from protection gas pumping installations (120), and will be in protective gas water conservancy diversion to the protection zone；
Material condensing unit (400), comprising:
Condenser (410), including condensation material import (415), condensation cavity (411) and condensation material outlet (416), the condensation material
Import (415) is suitable for receiving the reaction product being discharged from the material outlet (330) of the reactor body (310), the condensation
Material outlet (416) is suitable for be discharged through the condensed reaction product of the condensation cavity (411)；
Pressure reducer (420), including decompression material inlet (340), decompression material outlet (330) and gas discharge outlet, the decompression
Material inlet (340) is connected with the condensation material of the condenser (410) outlet (416), and the decompression material outlet (330) is used
Reaction product discharge after it will depressurize, the gas that the gas discharge outlet is suitable for generating reaction product decompression process are discharged.
7. supercritical water oxidation system according to claim 6, which is characterized in that the condenser (410) further include:
Drainage device (413) is set in the condensation cavity (411), and the surface of the drainage device (413) is equipped with delivery hole,
The condensation cavity (411) is divided into condensing zone and liquid infeed area by the drainage device (413), and the condensing zone with it is described cold
Condensate import (415) is connected with condensation material outlet (416)；
Infusion hole (412), be formed in it is described condensation cavity (411) side wall on, the inner end of the infusion hole (412) with it is described cold
Solidifying cavity (411) are connected, and the outer end of the infusion hole (412) extends to the outer end of condensation cavity (411)；
From the infusion hole (412) enter the liquid infeed area coolant liquid, through the delivery hole enter in the condensing zone with
Reaction product contacts and reaction product is made to cool.
8. supercritical water oxidation system according to claim 7, which is characterized in that the supercritical water oxidation system also wraps
It includes:
Precipitation separation device (500), comprising:
Sedimentation basin (510), the sedimentation basin (510) are connected with the decompression material outlet (330) of the pressure reducer (420), are suitable for
It is liquid and solid by the reactants separate after the pressure reducer (420) are depressurized；
Reservoir (520) is connected with the sedimentation basin (510), is suitable for receiving the liquid that storage is flowed out from the sedimentation basin (510)
Body；
The material pumping device (100) further include:
Coolant liquid pumping installations (130), the coolant liquid pumping installations (130) are suitable for the liquid in the reservoir (520)
The infusion hole (412) are pumped to use as coolant liquid.
9. supercritical water oxidation system according to claim 6, which is characterized in that the inner wall of condensation cavity (411)
Face is formed with the second nitrogen oxygen protecting film layer (414).
10. supercritical water oxidation system according to claim 6, which is characterized in that the preheating cavity (211) is straight tube
Shape is formed with third nitrogen oxygen protecting film layer (214) in preheating cavity (211) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762253.5A CN110342629A (en) | 2019-08-19 | 2019-08-19 | Supercritical water oxidation system and its reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762253.5A CN110342629A (en) | 2019-08-19 | 2019-08-19 | Supercritical water oxidation system and its reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110342629A true CN110342629A (en) | 2019-10-18 |
Family
ID=68180655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910762253.5A Pending CN110342629A (en) | 2019-08-19 | 2019-08-19 | Supercritical water oxidation system and its reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110342629A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859004A (en) * | 1973-10-23 | 1975-01-07 | Gen Electric | Condenser apparatus |
| JPH09299966A (en) * | 1996-03-15 | 1997-11-25 | Japan Organo Co Ltd | Supercritical water oxidizing method and device therefor |
| CN104291546A (en) * | 2014-10-26 | 2015-01-21 | 中国科学院重庆绿色智能技术研究院 | Supercritical water oxidizing device |
| CN109809553A (en) * | 2018-11-24 | 2019-05-28 | 中海油能源发展股份有限公司 | A kind of large arch dam organic liquid waste supercritical water oxidation processing continuous experiment system |
| CN109848182A (en) * | 2019-02-03 | 2019-06-07 | 中国原子能科学研究院 | The method of supercritical water oxidation system and processing solid combustible |
| CN210438468U (en) * | 2019-08-19 | 2020-05-01 | 遵义师范学院 | Supercritical water oxidation system and reaction device thereof |
-
2019
- 2019-08-19 CN CN201910762253.5A patent/CN110342629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859004A (en) * | 1973-10-23 | 1975-01-07 | Gen Electric | Condenser apparatus |
| JPH09299966A (en) * | 1996-03-15 | 1997-11-25 | Japan Organo Co Ltd | Supercritical water oxidizing method and device therefor |
| CN104291546A (en) * | 2014-10-26 | 2015-01-21 | 中国科学院重庆绿色智能技术研究院 | Supercritical water oxidizing device |
| CN109809553A (en) * | 2018-11-24 | 2019-05-28 | 中海油能源发展股份有限公司 | A kind of large arch dam organic liquid waste supercritical water oxidation processing continuous experiment system |
| CN109848182A (en) * | 2019-02-03 | 2019-06-07 | 中国原子能科学研究院 | The method of supercritical water oxidation system and processing solid combustible |
| CN210438468U (en) * | 2019-08-19 | 2020-05-01 | 遵义师范学院 | Supercritical water oxidation system and reaction device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105254146B (en) | The supercritical water oxidation treatment system and technique of printing and dyeing sludge | |
| CN101928080B (en) | Supercritical water oxidation treatment method for high-concentration organic wastewater | |
| CN102249461B (en) | Supercritical water oxidation treatment system for high-salt high-chlorine organic wastewater | |
| CN101993143B (en) | System and method for processing alkaline residue wastewater by utilizing supercritical water oxidation method | |
| WO2021128726A1 (en) | System and method for treating n-(phosphonomethyl)iminodiacetic acid highly saline wastewater | |
| CN105600914B (en) | A kind of indirect heat exchange type supercritical water oxidation system of organic liquid waste and sludge | |
| CN105621740A (en) | Fe-recycling Fenton oxidation method with zero sludge discharge and device thereof | |
| CN102989371A (en) | Corrosion-resistant anti-clogging organic pollutant supercritical water oxidation system | |
| CN109305722B (en) | Supercritical water oxidation system for graded oxygen injection and wastewater and/or sludge treatment method based on system | |
| CN111018225A (en) | Fenton method wastewater treatment process and device under high temperature and high pressure | |
| CN102992466B (en) | Organic pollutant Supercritical water oxidation treatment device | |
| CN111417598B (en) | System and method for treating high-salinity high-organic wastewater and recycling energy | |
| CN102633350B (en) | Method for recycling excessive oxygen and carbon dioxide in supercritical water oxidation system | |
| CN109231625A (en) | A kind of high temperature oxidation process method and apparatus of organic wastewater | |
| CN110342629A (en) | Supercritical water oxidation system and its reaction unit | |
| CN210438468U (en) | Supercritical water oxidation system and reaction device thereof | |
| CN103508547B (en) | High saliferous corrodibility organic waste water supercritical water oxidation device | |
| CN209974509U (en) | Thin-film solar cell production wastewater treatment system | |
| CN209668856U (en) | A kind of low-temperature plasma synergistic processing hardly degraded organic substance waste water treatment system | |
| CN219400113U (en) | Enamel reaction kettle with preheating device | |
| CN210656182U (en) | Cold hydrogenation system for preparing trichlorosilane | |
| CN115254173B (en) | Graphite-phase carbon nitride photocatalyst, and preparation method, system and application thereof | |
| JPH06501644A (en) | Apparatus and method for hydrolysis of cyanide-containing liquids | |
| CN212864254U (en) | Organic waste water liquid phase catalytic oxidation processing system | |
| CN111048223A (en) | Supercritical water oxidation reactor for treating radioactive organic waste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |