CN209906424U - Reaction system suitable for supercritical water oxidation continuous operation - Google Patents
Reaction system suitable for supercritical water oxidation continuous operation Download PDFInfo
- Publication number
- CN209906424U CN209906424U CN201920221767.5U CN201920221767U CN209906424U CN 209906424 U CN209906424 U CN 209906424U CN 201920221767 U CN201920221767 U CN 201920221767U CN 209906424 U CN209906424 U CN 209906424U
- Authority
- CN
- China
- Prior art keywords
- reactor
- supercritical water
- water oxidation
- continuous operation
- reaction system
- 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.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of environmental protection solid waste treatment, and discloses a reaction system suitable for supercritical water oxidation continuous operation, which is characterized in that a reactor, a high-pressure separator and a solid phase object cache tank are sequentially and vertically connected from top to bottom; the bottom of the reactor is provided with a reactor extension pipe extending to the middle lower part of the high-pressure separator, the outside of the reactor is provided with a sectional heating furnace, and the upper part of the high-pressure separator is provided with a gas-liquid discharge port; a reaction material inlet and an oxidant inlet are arranged on a reactor top cover at the top of the reactor, and a suspension type baffle is arranged below the reaction material inlet; the solid phase object cache tank is also provided with a pressure supplementing gas inlet, a pressure relief port and a solid phase object exhaust port. The utility model discloses can realize with solid phase thing intermittent type exhaust function in the supercritical water oxidation system continuous operation process, but wide application contains organic waste liquid supercritical water oxidation treatment technology development, process optimization process at the high solid to and the corrosion experiment research of metal under the supercritical water oxidation condition.
Description
Technical Field
The utility model belongs to the technical field of the useless processing of environmental protection solid, specific theory relates to a supercritical water oxidation reaction system.
Background
Supercritical water is water in a special state at a temperature and pressure higher than its critical point (T374.2 ℃, P22.1 MPa). Supercritical water has the properties of liquid and gaseous water, has a dielectric constant similar to that of a nonpolar organic solvent, and has a high diffusion coefficient and low viscosity. Under the condition, the organic matter and the oxygen can be mutually dissolved with the supercritical water according to the maximum proportion, so that heterogeneous reaction is changed into homogeneous reaction, and the resistance of mass transfer and heat transfer is greatly reduced. Supercritical water Oxidation (SCWO) is a technology that uses the special property of water in supercritical state to make organic matter and oxidant quickly produce Oxidation reaction in supercritical water to completely decompose organic matter and convert it into harmless CO2、H2O and other small molecular compounds. The technology has unique effect on treating difficult-to-destroy toxic and harmful substances (such as dye waste, pharmaceutical waste, lubricant waste, insulating oil containing PCBs, radioactive mixed waste, polychlorinated biphenyl, volatile acid and the like), high-concentration difficult-to-degrade organic waste (sludge, paper mill slurry and the like), and military toxic substances (chemical weapons, rocket propellant, explosive and the like).
Although the supercritical water oxidation treatment technology has made great progress, inorganic salts are very easy to precipitate due to low solubility in supercritical water, and cause the problem of blockage caused by salt deposition in a reactor; the supercritical water oxidation reaction conditions are severe, and a reaction space is required to be closed, so that solid-phase substances in reaction products cannot be discharged in time to block pipelines, and equipment cannot run stably for a long period; and the source, composition and physical properties of the treated pollutants are complex, and a large amount of treatment effect evaluation experimental research and process condition optimization research are required to be carried out for the supercritical water oxidation treatment process development of each pollutant; in addition, in the process of screening materials of supercritical water oxidation equipment, a large amount of experimental research on metal corrosion evaluation needs to be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who contains inherent quick-witted waste liquid supercritical water oxidation reaction in-process salt precipitation, solid phase deposit and block up, provide a reaction system suitable for supercritical water oxidation continuous operation, can ensure supercritical water oxidation system long period steady operation, this reaction system can be used to solid useless supercritical water oxidation treatment technical development, process optimization to and the experiment of hanging metal piece corrosion, have the multifunctionality.
The utility model discloses a following technical scheme realizes:
a reaction system suitable for supercritical water oxidation continuous operation comprises a reactor, a high-pressure separator and a solid phase object cache tank, and is characterized in that the reactor, the high-pressure separator and the solid phase object cache tank are sequentially and vertically connected from top to bottom; a reactor extension pipe is arranged at the bottom of the reactor and extends to the middle part or the lower part of the high-pressure separator; a sectional heating furnace is arranged outside the reactor; the upper part of the high-pressure separator is provided with a gas-liquid discharge port;
a reactor top cover is arranged at the top of the reactor, and is provided with a reaction material inlet and an oxidant inlet; a suspension baffle is arranged below the reaction material inlet and comprises a baffle body positioned in the reactor;
a first stop valve is arranged between an outlet at the bottom of the high-pressure separator and an inlet at the top of the solid-phase object cache tank; the solid-phase object cache tank is further provided with a pressure supplementing gas inlet, a pressure relief port and a solid-phase object outlet, the pressure supplementing gas inlet is provided with a second stop valve, the pressure relief port is provided with a third stop valve, and the solid-phase object outlet is provided with a fourth stop valve.
Further, the reactor extension tube, the high-pressure separator and the solid phase buffer tank are axially overlapped in the vertical direction.
Further, the reactor extension tube is connected to the reactor bottom end as an integral extension section of the reactor or as a separate component.
Furthermore, the sectional type heating furnace divides the reactor into areas with different functions through temperature control, the upper part of the reactor is a material heating area, the middle part of the reactor is a supercritical water oxidation reaction area, and the lower part of the reactor is a subcritical salt solution area; meanwhile, the baffle body is positioned in the material heating area.
Furthermore, the top cover of the reactor is provided with a temperature measurement blind pipe arranged in the reactor, and the bottom of the temperature measurement blind pipe is directly communicated with the bottom of the reactor.
Furthermore, the baffle body is of a sheet structure which is concave downwards.
Further, the baffle body is fixed to the reactor top cover through a suspension rod.
Further, the projection area of the baffle body is 1/2-3/4 of the internal cross-sectional area of the reactor.
Further, the reactor is inside to be provided with the metal corrosion experiment peg, be provided with a plurality of not metal corrosion experiment couples of co-altitude on the metal corrosion experiment peg, the metal corrosion experiment couple is used for hanging the metal corrosion experiment lacing film according to the metal corrosion experiment demand.
Further, the metal corrosion experiment hanging rod is installed on the hook at the bottom of the baffle body through a hanging hole at the top of the metal corrosion experiment hanging rod.
The utility model has the advantages that:
the utility model discloses a reaction system suitable for supercritical water oxidation continuous operation can realize the solid phase thing intermittent type exhaust function at supercritical water oxidation system continuous operation in-process, but wide application contains organic waste liquid supercritical water oxidation treatment technology development, process optimization process to and the corrosion experiment research of metal under the supercritical water oxidation condition at the height.
The reaction system adopts a sectional heating furnace to realize sectional heating, accurately controls the temperature of different areas of the reactor and avoids salt precipitation under a supercritical state; the reactor extension tube can lead the undissolved salt and inorganic solid phase substances in the reaction product into a high-pressure separator, settle and store the salt and the inorganic solid phase substances in a solid phase substance cache tank, and can intermittently discharge the salt and the inorganic solid phase substances in the continuous operation process of the reaction system; a suspension baffle is arranged below a material inlet in the reactor, so that the residence time of reaction materials in the reactor can be controlled; a hanging rod for a metal corrosion experiment hanging piece is arranged below the suspension type baffle, a metal corrosion experiment hanging piece can be hung on a hook on the hanging rod, and metal corrosion experiment research is carried out in different areas in the reactor; the temperature measuring blind pipe is inserted into the lower part of the reactor from the top of the reactor, and the temperature of different areas in the reactor can be monitored in real time by controlling the insertion position of the thermocouple.
Drawings
FIG. 1 is a schematic structural diagram of a reaction system suitable for supercritical water oxidation continuous operation provided by the present invention;
FIG. 2 is a schematic structural diagram of a suspension baffle plate in a reaction system suitable for supercritical water oxidation continuous operation provided by the present invention;
fig. 3 is a schematic structural diagram of a metal corrosion experiment hanging rod in a reaction system suitable for supercritical water oxidation continuous operation.
In the above figures: 1. the reactor comprises a reactor top cover, 2, a reaction material inlet, 3, an oxidant inlet, 4, a temperature measuring port, 5, a temperature measuring blind pipe, 6, a reactor, 7, a sectional heating furnace, 8, a suspension type baffle, 9, a metal corrosion experiment hanging rod, 10, a metal corrosion experiment hanging sheet, 11, a gas-liquid discharge port, 12, a reactor extension pipe, 13, a high-pressure separator, 14, a first stop valve, 15, a second stop valve, 16, a third stop valve, 17, a fourth stop valve, 18, a solid phase buffer tank, 19, a pressure supplementing gas inlet, 20, a pressure relief port, 21 and a solid phase discharge port;
81. a hanging rod 82, a baffle body 83, a fixing nut 84 and a hook; 91. hanging hole, 92. metal corrosion experiment hook.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1, an embodiment of the present invention discloses a reaction system suitable for supercritical water oxidation continuous operation, which mainly comprises a reactor 6, a sectional type heating furnace 7, a reactor extension pipe 12, a high-pressure separator 13, a solid phase buffer tank 18, and the like.
The reactor 6, the high-pressure separator 13 and the solid-phase object cache tank 18 are sequentially connected from top to bottom, and the reactor 6, the high-pressure separator 13 and the solid-phase object cache tank 18 are overlapped on the vertical axis.
The top end and the bottom end of the reactor 6 are respectively provided with an external expanding part, and the top end and the bottom end of the high-pressure separator 13 are also respectively provided with an external expanding part. The flaring at the top end of the reactor 6 is bolted to the reactor head 1 to sealingly connect the reactor 6 to the reactor head 1. The flaring at the bottom end of the reactor 6 is bolted to the flaring at the top end of the high pressure separator 13 to directly and hermetically connect the reactor 6 and the high pressure separator 13 together. The upper part of the high-pressure separator 13 is provided with a gas-liquid outlet 11, the outward expansion part at the bottom end of the high-pressure separator 13 is connected with a separator bottom cover through a bolt, and the separator bottom cover is connected with the top of a solid-phase object cache tank 18 through a first stop valve 14. The separator bottom cover is provided with an outlet of the high-pressure separator 13, which is communicated with an inlet at the top of the solid-phase buffer tank 18 and is controlled to open and close by the first shut-off valve 14.
The reactor 6 is also provided at the bottom with a reactor extension pipe 12, and the reactor extension pipe 12 extends to the middle or lower portion of the high pressure separator 13. The reactor extension tube 12 may be an integral extension section of the reactor 6 or may be screwed as a separate component to the bottom end of the reactor 6. The reactor extension pipe 12 is connected below the reactor 6, which can ensure that solid matters in reaction products are deposited at the bottom of the high-pressure separator 13, and gas-phase and liquid-phase products are discharged from the upper part of the high-pressure separator 13.
The reactor 6, the high-pressure separator 13 and the solid phase object buffer tank 18 are sequentially and directly connected, the reactor extension pipe 12 extends into the middle lower part of the high-pressure separator 13, the blockage caused by pipeline conveying is avoided, and the vertical arrangement and the position layout with the coincident axes of the equipment are favorable for the solid phase objects with high density to smoothly enter the solid phase object buffer tank 18 under the action of gravity. Thus, the reaction materials and the oxidant enter the reactor 6 from the top of the reactor 6, and supercritical water oxidation reaction occurs; the reaction product is led into a high-pressure separator 13 through a reactor extension pipe 12, undissolved inorganic salt and inorganic solid-phase substances are deposited at the bottom of the high-pressure separator 13, enter a solid-phase substance buffer tank 18 under the action of gravity and are intermittently discharged, and gas-phase and liquid-phase products are discharged out of the reaction system through a gas-liquid discharge port 11 at the upper part of the high-pressure separator 13.
The sectional type heating furnace 7 is arranged outside the reactor 6, can realize sectional heating of the reactor 6, accurately control the temperature of different areas of the reactor 6, and can divide the reactor 6 into areas with different functions through temperature control, wherein the upper part of the reactor 6 is a material heating area for heating reaction materials to reach the supercritical water oxidation reaction condition; the middle part of the reactor 6 is a supercritical water oxidation reaction zone, organic pollutants in reaction materials react with oxygen to be thoroughly decomposed into inorganic small molecular substances, and inorganic salts are precipitated due to the reduction of the solubility in supercritical water; the lower part of the reactor 6 is a subcritical salt dissolution area, and inorganic salts precipitated in a supercritical state are dissolved into water from the area to form concentrated brine.
The reactor top cover 1 is provided with a reaction material inlet 2 and an oxidant inlet 3. A suspension baffle 8 is arranged below the reaction material inlet 2, the suspension baffle 8 is positioned in the material heating zone at the upper section in the reactor 6, and the suspension baffle 8 can control the residence time of the reaction materials in the reactor. The reactor top cover 1 is provided with a temperature measurement blind pipe 5 arranged in the reactor 6, the top of the temperature measurement blind pipe 5 is fixedly connected with the reactor top cover 1 in a penetrating way, the top of the temperature measurement blind pipe 5 is provided with a temperature measurement port 4, and the bottom of the temperature measurement blind pipe 5 is directly communicated with the bottom of the reactor 6. A thermocouple is inserted into the temperature measuring blind pipe 5 through the temperature measuring port 4 to measure the temperature in the reactor 6; by controlling the insertion locations of the thermocouples, the temperature of different zones within the reactor 6 can be monitored in real time. The temperature of different areas of the reactor 6 is controlled by thermocouples inserted into the sectional heating furnace 7 and the temperature measuring blind pipe 5, so as to form a material heating area, a supercritical water oxidation reaction area and a subcritical salt solution area.
As shown in fig. 2, the hanging baffle 8 is composed of a baffle body 82, a hanging rod 81 and a fixing nut 83. The baffle body 82 is of a sheet structure which is concave downwards, and through holes which are uniformly distributed are formed in the periphery of the baffle body 82; the bottom end of the suspension rod 81 is provided with a fixing nut 83, the suspension rod 81 penetrates through the through hole of the baffle body 82 from bottom to top and is limited by the fixing nut 83, and the top end of the suspension rod 81 is welded or fixed on the reactor top cover 1 through screw thread connection, so that the baffle body 82 is positioned below the reaction material inlet 2. The projection area of the baffle body 82 of the suspension baffle 8 is generally 1/2-3/4 of the internal cross-sectional area of the reactor 6, so that the residence time of reaction materials in the reactor 6 can be increased, and the insufficient reaction caused by the excessively high passing speed of the reaction materials in the reactor 6 is avoided. The residence time of the reaction mass in the reactor 6 can also be adjusted by replacing the baffle bodies 82 of different concavity. The bottom of the baffle body 82 of the suspension baffle 8 can also be provided with a hook 84, and the hook 84 is used for installing the metal corrosion experiment hanging rod 9.
As shown in fig. 3, the top of the hanging rod 9 for metal corrosion experiment is provided with a hanging hole 91, which is hung on the hanging hook 84 at the bottom of the hanging baffle 8, so that the hanging rod 9 for metal corrosion experiment is connected below the hanging baffle 8. The metal corrosion experiment hanging rod 9 can be provided with a plurality of metal corrosion experiment hooks 92 at different heights, and the metal corrosion experiment hooks are used for installing the metal corrosion experiment hanging pieces 10, so that metal corrosion experiment researches can be carried out in different areas in the reactor 6 according to experiment requirements.
The solid phase object buffer tank 18 is provided with a pressure supplementing gas inlet 19, a pressure relief port 20 and a solid phase object exhaust port 21, so that the solid phase object in the solid phase object buffer tank 18 can be intermittently exhausted in the continuous operation process of the reaction system, and the continuous operation of the reaction system is ensured. The top inlet of the solid phase buffer tank 18 is connected with the bottom outlet of the high-pressure separator 13 through a first stop valve 14, a second stop valve 15 is arranged at a pressure supplementing gas inlet 19 of the solid phase buffer tank 18, a third stop valve 16 is arranged at a pressure relief port 20, and a fourth stop valve 17 is arranged at a solid phase discharge port 21.
The utility model discloses a reaction system suitable for supercritical water oxidation continuous operation, its working process as follows:
the temperature of different areas of the reactor 6 is controlled by a sectional type heating furnace 7 and thermocouples inserted into the temperature measuring ports 4 to form a material heating area, a supercritical water oxidation reaction area and a subcritical salt dissolving area. After a reaction material and an oxidant respectively enter the reactor 6 through a reaction material inlet 2 and an oxidant inlet 3 above the reactor 6, supercritical water oxidation reaction is completed at the upper part and the middle part of the reactor 6, organic pollutants in the reaction material react with oxygen and are thoroughly decomposed into inorganic small molecular substances, and inorganic salts are precipitated due to the reduction of the solubility in the supercritical water; after the reaction product enters a subcritical salt dissolving area at the lower part of the reactor 6, inorganic salts precipitated in a supercritical state are dissolved in water, formed concentrated brine, undissolved inorganic salts and solid-phase substances which do not participate in the reaction enter the lower part of a high-pressure separator 13 through a reactor extension pipe 12, and gas-liquid and solid-phase substances are separated and then discharged respectively.
A suspension baffle 8 is arranged below the reaction material inlet 2 to control the residence time of the reaction materials in the reactor 6; a metal corrosion experiment hanging rod 9 and a metal corrosion experiment hanging piece 10 are arranged below the suspension type baffle 8, and metal corrosion experiment research can be carried out in different areas in the reactor 6.
The gas-phase and liquid-phase substances in the reaction product entering the high-pressure separator 13 are discharged through the gas-liquid discharge port 11 at the upper part of the high-pressure separator 13, and the undissolved inorganic salts and solid-phase substances are deposited at the bottom of the high-pressure separator 13.
In the reaction process, the first stop valve 14 is kept in an open state, the solid-phase substance deposited at the bottom of the high-pressure separator 13 enters the solid-phase substance cache tank 18 under the action of gravity, the first stop valve 14 is closed, the third stop valve 16 is opened to release the pressure in the solid-phase substance cache tank 18 to normal pressure, the fourth stop valve 17 is opened to discharge the solid-phase substance in the solid-phase substance cache tank 18, the third stop valve 16 and the fourth stop valve 17 are closed, the second stop valve 15 is opened to balance the pressure supplemented into the solid-phase substance cache tank 18 with the pressure in the reactor 6, the second stop valve 15 is closed, and the first stop valve 14 is opened to communicate the high-pressure separator 13 and the solid-phase substance cache tank 18 to circularly discharge the solid-phase substance.
The working process of the reaction system of the present invention is described in detail below with reference to two test examples:
example 1
The reaction material is organic waste liquid with COD value of 100000 mg/L.
Before the reaction starts, the first stop valve 14 is closed to disconnect the solid-phase object cache tank 18, a metal corrosion experiment hanging rod 9 which needs to be subjected to corrosion experiment research is hung on a hook 84 at the bottom of a suspension type baffle 8, the position of a metal corrosion experiment hanging sheet 10 is controlled by adjusting the height of a hook body 92 of the metal corrosion experiment hanging rod 9, and the pressure in the reaction system is controlled to be 25MPa after the reaction system is sealed; inserting a thermocouple into the temperature measuring blind pipe 5, monitoring the temperature in the reactor 6 in real time through the insertion depth of the thermocouple, controlling the temperature of the upper part and the middle part of the reactor 6 to be 400 ℃ and the temperature of the lower part to be 350 ℃ through the sectional type heating furnace 7 and the thermocouple; respectively injecting organic waste liquid and an oxidant (oxygen, air or hydrogen peroxide) into a reactor 6 through a reaction material inlet 2 and an oxidant inlet 3; after being preheated at the upper part of the reactor 6, the organic waste liquid and the oxidant enter the middle part of the reactor 6 and undergo supercritical water oxidation reaction, organic pollutants in the waste liquid are thoroughly decomposed into inorganic micromolecular substances, and inorganic salts are separated out due to the reduction of the solubility; after the reaction product enters a subcritical salt dissolving area at the lower part of the reactor 6, the separated inorganic salts are dissolved in water again to form strong brine; because the reaction product has no solid phase, the reaction product enters the high-pressure separator 13 through the reactor extension pipe 12 and is discharged from the gas-liquid discharge port 11 at the upper part of the high-pressure separator 13; after the reaction is finished, the reactor 6 is opened, and the metal corrosion experiment hanging piece 10 is taken out.
Example 2
The reaction material is inherent organic waste liquid with COD value of 100000mg/L and inorganic solid content of 8%.
Before the reaction starts, a first stop valve 14 is opened to be communicated with a solid-phase object cache tank 18, a metal corrosion experiment hanging rod 9 needing corrosion experiment research is hung on a hook 84 at the bottom of a suspension type baffle 8, the position of a metal corrosion experiment hanging piece 10 is controlled by adjusting the height of a hook body 92 of the metal corrosion experiment hanging rod 9, and the pressure in the reaction system is controlled to be 25MPa after the reaction system is sealed; inserting a thermocouple into the temperature measuring blind pipe 5, monitoring the temperature in the reactor 6 in real time through the insertion depth of the thermocouple, controlling the temperature of the upper part and the middle part of the reactor 6 to be 400 ℃ and the temperature of the lower part to be 350 ℃ through the sectional type heating furnace 7 and the thermocouple; respectively injecting the inherent organic-containing waste liquid and an oxidant (oxygen, air or hydrogen peroxide) into a reactor 6 through a reaction material inlet 2 and an oxidant inlet 3; after being preheated at the upper part of the reactor 6, the organic waste liquid and the oxidant enter the middle part of the reactor 6 and undergo supercritical water oxidation reaction, organic pollutants in the waste liquid are thoroughly decomposed into inorganic micromolecular substances, and inorganic salts are separated out due to the reduction of the solubility; after the reaction product enters a subcritical salt dissolving area at the lower part of the reactor 6, the separated inorganic salts are dissolved in water again to form strong brine; the strong brine and the unreacted solid phase substance enter a high-pressure separator 13 through a reactor extension pipe 12, gas phase and liquid phase substances are discharged through a gas-liquid discharge port 11 at the upper part of the high-pressure separator 13, and undissolved inorganic salt and the solid phase substance enter a solid phase substance cache tank 18 through a first stop valve 14 under the action of gravity; after the reaction is carried out for a period of time, closing the first stop valve 14, opening the third stop valve 16 to discharge the pressure in the solid-phase object cache tank 18 to the normal pressure, then opening the fourth stop valve 17 to discharge the solid-phase object in the solid-phase object cache tank 18, then closing the third stop valve 16 and the fourth stop valve 17, opening the second stop valve 15 to supplement the pressure to the solid-phase object cache tank 18 to 25MPa, closing the second stop valve 15, and opening the first stop valve 14 to communicate the high-pressure separator 13 and the solid-phase object cache tank 18; after the reaction is finished, the reactor 6 is opened, and the metal corrosion experiment hanging piece 10 is taken out.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various changes without departing from the spirit and the scope of the invention as claimed.
Claims (10)
1. A reaction system suitable for supercritical water oxidation continuous operation comprises a reactor, a high-pressure separator and a solid phase object cache tank, and is characterized in that the reactor, the high-pressure separator and the solid phase object cache tank are sequentially and vertically connected from top to bottom; a reactor extension pipe is arranged at the bottom of the reactor and extends to the middle part or the lower part of the high-pressure separator; a sectional heating furnace is arranged outside the reactor; the upper part of the high-pressure separator is provided with a gas-liquid discharge port;
a reactor top cover is arranged at the top of the reactor, and is provided with a reaction material inlet and an oxidant inlet; a suspension baffle is arranged below the reaction material inlet and comprises a baffle body positioned in the reactor;
a first stop valve is arranged between an outlet at the bottom of the high-pressure separator and an inlet at the top of the solid-phase object cache tank; the solid-phase object cache tank is further provided with a pressure supplementing gas inlet, a pressure relief port and a solid-phase object outlet, the pressure supplementing gas inlet is provided with a second stop valve, the pressure relief port is provided with a third stop valve, and the solid-phase object outlet is provided with a fourth stop valve.
2. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the reactor, the reactor extension tube, the high pressure separator and the solid phase buffer tank are vertically coaxial.
3. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the reactor extension pipe is connected to the reactor bottom end as an integral extension section of the reactor or as a separate component.
4. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the sectional type heating furnace divides the reactor into regions with different functions by temperature control, the upper part of the reactor is a material heating region, the middle part of the reactor is a supercritical water oxidation reaction region, and the lower part of the reactor is a subcritical salt solution region; meanwhile, the baffle body is positioned in the material heating area.
5. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the reactor top cover is equipped with a temperature measurement blind pipe arranged in the reactor, and the bottom of the temperature measurement blind pipe is directly connected to the bottom of the reactor.
6. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the baffle body is a sheet structure recessed downwards.
7. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the baffle body is fixed to the reactor head by a suspension rod.
8. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the projected area of the baffle body is 1/2 ~ 3/4 of the internal cross-sectional area of the reactor.
9. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein a metal corrosion experiment hanging rod is arranged inside the reactor, a plurality of metal corrosion experiment hooks with different heights are arranged on the metal corrosion experiment hanging rod, and the metal corrosion experiment hooks are used for hanging metal corrosion experiment hanging pieces according to metal corrosion experiment requirements.
10. The reaction system suitable for supercritical water oxidation continuous operation of claim 1, wherein the metal corrosion experiment hanging rod is installed on the hook at the bottom of the baffle body through the top hanging hole thereof.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821945672 | 2018-11-24 | ||
| CN201821945672X | 2018-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209906424U true CN209906424U (en) | 2020-01-07 |
Family
ID=69030538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920221767.5U Active CN209906424U (en) | 2018-11-24 | 2019-02-21 | Reaction system suitable for supercritical water oxidation continuous operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209906424U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734170A (en) * | 2018-11-24 | 2019-05-10 | 中海油能源发展股份有限公司 | A kind of reaction system suitable for supercritical water oxidation continuous operation |
| CN111632569A (en) * | 2020-05-24 | 2020-09-08 | 西安交通大学 | Flow corrosion-salt deposition device for supercritical water oxidation reaction coupling |
| CN111762865A (en) * | 2020-06-26 | 2020-10-13 | 西安交通大学 | Tubular supercritical water oxidation reactor for high-viscosity degradation-resistant organic waste liquid |
| CN111781130A (en) * | 2020-07-06 | 2020-10-16 | 西安交通大学 | Flowing corrosion-salt deposition online test system and method used in supercritical water treatment environment |
-
2019
- 2019-02-21 CN CN201920221767.5U patent/CN209906424U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734170A (en) * | 2018-11-24 | 2019-05-10 | 中海油能源发展股份有限公司 | A kind of reaction system suitable for supercritical water oxidation continuous operation |
| CN109734170B (en) * | 2018-11-24 | 2024-03-19 | 中海油能源发展股份有限公司 | Reaction system suitable for supercritical water oxidation continuous operation |
| CN111632569A (en) * | 2020-05-24 | 2020-09-08 | 西安交通大学 | Flow corrosion-salt deposition device for supercritical water oxidation reaction coupling |
| CN111632569B (en) * | 2020-05-24 | 2021-12-28 | 西安交通大学 | Flow corrosion-salt deposition device for supercritical water oxidation reaction coupling |
| CN111762865A (en) * | 2020-06-26 | 2020-10-13 | 西安交通大学 | Tubular supercritical water oxidation reactor for high-viscosity degradation-resistant organic waste liquid |
| CN111781130A (en) * | 2020-07-06 | 2020-10-16 | 西安交通大学 | Flowing corrosion-salt deposition online test system and method used in supercritical water treatment environment |
| CN111781130B (en) * | 2020-07-06 | 2021-10-22 | 西安交通大学 | Flowing corrosion-salt deposition online test system and method used in supercritical water treatment environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209906424U (en) | Reaction system suitable for supercritical water oxidation continuous operation | |
| CN109734170B (en) | Reaction system suitable for supercritical water oxidation continuous operation | |
| Yang et al. | Novel design concept for a commercial-scale plant for supercritical water oxidation of industrial and sewage sludge | |
| EP1005903B1 (en) | Supercritical reaction apparatus and method | |
| Shanableh et al. | Supercritical water oxidation–wastewaters and sludges | |
| US20170021427A1 (en) | System for preparing nanoparticles by supercritical hydrothermal synthesis | |
| JP3273118B2 (en) | High pressure processing equipment | |
| Chen et al. | An inclined plug-flow reactor design for supercritical water oxidation | |
| US8486276B2 (en) | Method of treating water and aqueous systems in pipes with chlorine dioxide | |
| Miller et al. | Supercritical water oxidation of a model fecal sludge without the use of a co-fuel | |
| CN107923054A (en) | Electrolysis unit and electrolytic method | |
| CN103512034A (en) | Organic wastewater supercritical hydrothermal combustion reactor | |
| CN109237508A (en) | A kind of Liqiud-gas mixing device and its application for overcritical hydro-thermal combustion reactor | |
| CN101987750A (en) | Pre-desalting machine for processing supercritical water of waste organic matters | |
| CN114838369B (en) | Inorganic salt online desorption system and method based on supercritical hydrothermal combustion treatment | |
| Lemoine et al. | Na2CO3 and K3PO4 solubility measurements at 30 MPa in near-critical and supercritical water using conductimetry and high pressure calorimetry | |
| CN104445572A (en) | Multi-layer spraying and burning evaporation wall type supercritical water oxidation reactor | |
| EP1085927B1 (en) | Method and apparatus for treating salt streams | |
| CN109809553B (en) | Supercritical water oxidation treatment continuous experimental system for high-solid organic waste liquid | |
| CN102557229B (en) | Constant volume internal combustion type supercritical fluid oxidation device and oxidation method thereof | |
| JP2002210349A (en) | Supercritical wet oxidation method and apparatus | |
| Anikeev et al. | Technique for complete oxidation of organic compounds in supercritical water | |
| JP2001121166A (en) | Supercritical water treatment method for organic chlorine compound and supercritical water reaction apparatus | |
| CN102583935A (en) | Supercritical water treatment device for treating organic waste and treatment method for organic waste | |
| JP3836270B2 (en) | Method for shutting down supercritical water reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |