CN115228414A - CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 Reactor (a) - Google Patents
CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 Reactor (a) Download PDFInfo
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Abstract
The invention relates to a method for mineralizing and storing CO by vanadium tailings 2 The reactor of (1). The structure of the reactor is as follows: an insulator (7) is coated on the outer surface of the reactor body (6), an electric furnace wire (8) is arranged between the insulator (7) and the reactor body (6), and a gas detector (16) is arranged on the reactor body (6). A round pipe (15) is fixed in the middle of the cover plate (5), and the lower end of the round pipe (15) is fixedly connected with the middle position of the bottom plate of the aerator (13); the upper end of a stirring shaft (14) penetrating through the circular tube (15) is connected with an output shaft of a motor (19), and the lower end of the stirring shaft is connected with a stirring paddle (12). The lower ends of the two air inlet pipes are communicated with the inner cavity of the aerator (13), and the upper ends of the two air inlet pipes are communicated with an external air source. The upper end of the feeding pipe (4) is communicated with the feeding hopper (1), and the lower end of the feeding pipe extends into the inner cavity of the reactor body (6); the temperature sensor (17) arranged on the cover plate (5) is connected with a temperature control system (21). The invention has the advantages of raw materialsStrong stress, wide environmental temperature adaptability, full reaction, high mineralization efficiency and capability of monitoring CO in mineralized gas in real time 2 The content is characterized by the following.
Description
Technical Field
The present invention belongs to the field of mineralizing and sealing CO 2 The field of reactor technology. In particular to a method for mineralizing and storing CO by vanadium tailings 2 The reactor of (1).
Background
In recent years, with global carbon dioxide (CO) 2 ) The emission is continuously increased based on CO 2 The development and research of methods for emission reduction and resource utilization are also continuously developed: including landfill, chemical conversion, source emission reduction, bioconversion and CO 2 Mineralization in which solid waste is used to capture and store CO 2 Is a promising strategy for controlling the emission of industrial carbon and has the advantages of low cost, high reaction activity, large scale and the like. The shale vanadium extraction tailings are the main source of solid wastes in vanadium extraction industry, and 120-150 tons of vanadium tailings are generated when 1 ton of vanadium pentoxide is extracted. The vanadium tailings contain calcium compounds to have CO sealed 2 Potential and value of. However, because the vanadium tailing pulp has the characteristics of high viscosity, high density and easy sedimentation, an appropriate reactor is needed to fully utilize the effective substances in the vanadium tailing pulp to achieve CO 2 The aims of mineralization and emission reduction.
The patent technology of 'a reactor for mineralizing and fixing carbon dioxide by using reinforced calcium-based solid wastes of an ammonia medium system and a using method thereof' (CN 104907010A) adopts pneumatic stirring to replace mechanical stirring, reduces energy consumption, but has low stirring strength for raw materials with high pulp viscosity due to lack of mechanical stirring, so that the mineralizing reaction efficiency is reduced, the reaction is insufficient, and the applicability to mineralizing agents with different concentrations is not strong.
Carbide slag mineralized and fixed CO 2 And a device and a method for preparing fine calcium carbonate (CN 112573554A), provides a circulation-separation integrated slag-dissolving reactor for leaching calcium component in carbide slag, and proposes to mineralize and fix CO by the carbide slag 2 Method for preparing calcium carbonate, but the device lacks a temperature control system, and CO is generated in low-temperature environment 2 The mineralization efficiency of (a) will decrease and the adaptability to the ambient temperature will be poor.
Method for strengthening mineralization of dioxygen by solid waste by using salt-containing wastewaterThe carbon conversion method (CN 109126412A) adopts the technology of directly introducing solid waste into waste gas to mineralize CO 2 The mineralization efficiency of the solid waste is improved by the moisture spraying mode of the saline wastewater in the reactor, and the CO in the power plant can be reduced 2 And (4) discharging. But the apparatus and process only CO 2 The gas directly passes through the absorbent without aeration or stirring to increase the contact area of the gas, thereby treating CO in the flue gas 2 The mineralization efficiency of (2) is low and the reaction is insufficient.
' A kind of CO 2 The patent technology of an integrated reactor for dynamically monitoring the mineralization reaction process (CN 211865006U) can realize real-time monitoring on the mass change in the mineralization reaction process so as to calculate the carbon fixation rate of the mineralization reaction, but a temperature control system is not arranged, and residual CO is not arranged 2 Gas detector, unable to detect exhausted CO in real time 2 The concentration of the gas, and therefore, it is impossible to judge whether the discharged gas requires multi-stage treatment. The technology lacks the real-time gas detection function, the device is not perfect, and the unreacted and sufficient CO exists 2 Hidden danger of leakage.
In summary, existing mineralization sequestration of CO 2 The reactor has the technical defects of poor raw material applicability, poor adaptability to environmental temperature, insufficient reaction, low mineralization efficiency, lack of real-time detection on gas and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for monitoring CO in residual gas in real time, which has strong raw material adaptability, wide environment temperature adaptability, full reaction and high mineralization efficiency 2 Content of CO used for mineralizing and sealing vanadium tailings 2 The reactor of (1).
In order to achieve the purpose, the invention adopts the following specific technical scheme:
the reactor comprises a reactor body, a cover plate, a feeding pipe, an electric furnace wire, a stirrer, an aerator, a gas detector, a temperature sensor and a temperature control system.
The reactor body is cylindrical, the port of the reactor body is fixedly connected with the cover plate through a bolt, and a sealing ring is arranged between the port of the reactor body and the cover plate. Insulators are coated on the outer surface of the circular wall of the reactor body and the outer surface of the bottom of the reactor body, and electric furnace wires are arranged between the insulators and the reactor body.
The middle position of the upper surface of the cover plate is provided with a motor, the middle position of the lower surface of the cover plate is vertically fixed with a round pipe, and the lower end of the round pipe penetrates through the aerator and is fixedly connected with the middle position of the bottom plate of the aerator. The output shaft of the motor is connected with the upper end shaft of the stirring shaft through the coupler, the lower end of the stirring shaft penetrates through the lower end port of the circular tube to be connected with the stirrer shaft, and the inner walls of the upper end and the lower end of the circular tube are movably connected with the stirring shaft through bearings respectively. The upper end of the round pipe is fixedly connected with the cover plate in a sealing way, and the lower part of the round pipe is fixedly connected with the top plate of the aerator and the bottom plate of the aerator in a sealing way respectively.
The upper flat plate of the aerator is centrally and symmetrically fixed with a first air inlet pipe and a second air inlet pipe, the lower ends of the first air inlet pipe and the second air inlet pipe are respectively communicated with the inner cavity of the aerator, and the upper ends of the first air inlet pipe and the second air inlet pipe penetrate through the cover plate and are respectively communicated with an external air source.
The cover plate is respectively fixed with a temperature sensor and a feeding pipe. The temperature measuring end of the temperature sensor extends to the inner cavity of the reactor body, and the wiring end of the temperature sensor is externally connected with a temperature control system; the upper end of the feeding pipe penetrates through the cover plate to be communicated with the feeding hopper, the lower end of the feeding pipe extends to the inner cavity of the reactor body, and the upper part of the feeding pipe is provided with a regulating valve.
The wall surface of the reactor body is provided with a gas detector, the gas inlet of the gas detector is communicated with the inner cavity of the reactor body, and the gas outlet of the gas detector is communicated with the atmosphere.
The bottom of the reactor body is provided with a discharge pipe which is provided with a discharge valve.
The temperature control system comprises a temperature instrument and an alternating current contactor. The power supply ports L3 and L4 of the temperature instrument are connected with the corresponding live wire and the zero line, the L2 end of the normally open contact S1 of the temperature instrument is connected with the live wire, the L1 end of the normally open contact S1 is connected with the T1 end of the alternating current contactor, and the T2 end of the alternating current contactor is connected with the zero line. The A1 end and the A2 end of the temperature instrument are connected with two lead wires at the non-temperature measuring end of the temperature sensor. The C2 end of a normally open contact S2 of the alternating current contactor is connected with the Y2 end of the electric stove wire, the C1 end of the alternating current contactor is connected with the live wire, and the Y1 end of the electric stove wire is connected with the zero line.
And the first air inlet pipe and the second air inlet pipe are correspondingly provided with a first check valve and a second check valve.
The distance between the paddle of the stirrer and the bottom plate of the reactor body is 0.1-0.2 times of the height of the inner cavity of the reactor body, and the radius of the paddle of the stirrer is 0.5-0.7 times of the radius of the inner cavity of the reactor body.
The distance between the lower surface of the aerator and the stirrer blade is 0.08 to 0.15 times of the height of the inner cavity of the reactor, and the distance between the outer side surface of the aerator and the side surface of the inner cavity of the reactor body is 0.15 to 0.25 times of the diameter of the reactor body.
The lower ports of the first air inlet pipe and the second air inlet pipe are positioned at the position 0.25-0.5 times of the height of the inner cavity of the aerator.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the stirrer is arranged in the reactor body, the motor drives the stirrer to rotate so as to increase the solid-liquid-gas three-phase contact area, the problems of insufficient stirring power and insufficient mineralization reaction caused by pneumatic stirring are solved, the problems of high-viscosity and high-density mineralizers such as easy precipitation and non-uniform aeration can be effectively solved by the electric stirring device, and the electric stirring device has strong adaptability to mineralizers (raw materials) with different concentrations.
2. The reactor is provided with the temperature sensor and the temperature control system, the temperature sensor monitors the temperature of materials in the reactor body in real time and feeds data back to the temperature control system, the temperature control system is connected with the electric furnace wire arranged between the insulators, the required reaction temperature can be provided, and the mineralizer is prevented from carrying out CO treatment in a low-temperature environment 2 Low mineralization rate and wide adaptability to environmental temperature.
3. The invention arranges an aerator in the reactor body, the inner cavity of the aerator is respectively communicated with the lower ports of the first air inlet pipe and the second air inlet pipe, so that the introduced gas forms small bubbles through the aerator to be fully contacted with the mineralizer slurry in the reactor,increases the contact area of gas, solid and liquid phases, and simultaneously plays the roles of mixing and stirring, so that solid particles in the reactor can be in a suspension state, and a mineralizer and CO are enabled to be in a suspension state 2 The two are uniformly mixed to improve the mineralizer to CO 2 Fixation efficiency of mineralization of gas.
4. The side wall of the reactor body is provided with the gas detector, so that the CO in the gas overflowing after mineralization can be monitored in real time 2 Content (c); due to any mineralizer on CO 2 There is an upper limit for the fixed amount, if any, of CO in the escaping gas 2 The content is about to exceed the standard, the operation of the reactor can be stopped in time, and the mineralizer is replaced. Avoidance of saturated mineralizer pair CO 2 Inefficient mineralization of gas resulting in insufficiently mineralized CO 2 Risk of gas leakage.
Therefore, the invention has the characteristics of strong raw material adaptability, wide environmental temperature adaptability, full reaction and high mineralization efficiency, and can monitor CO in the mineralized gas in real time 2 Content of CO is not fully mineralized 2 Risk of gas leakage.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of the temperature control system 21 of fig. 1.
Detailed Description
The invention is further described with reference to the following drawings and detailed description, without limiting its scope: example 1
CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 The reactor of (1). The reactor is shown in fig. 1, and comprises a reactor body 6, a cover plate 5, a feeding pipe 4, an electric furnace wire 8, a stirrer 12, an aerator 13, a gas detector 16, a temperature sensor 17 and a temperature control system 21.
As shown in fig. 1, the reactor body 6 is cylindrical, a port of the reactor body 6 is fixedly connected to the cover plate 5 by a bolt, and a seal ring is provided between the port of the reactor body 6 and the cover plate 5. The outer surface of the round wall and the outer surface of the bottom of the reactor body 6 are coated with insulators 7, and electric furnace wires 8 are arranged between the insulators 7 and the reactor body 6.
As shown in fig. 1, a motor 19 is mounted at the middle position of the upper surface of the cover plate 5, a circular tube 15 is vertically fixed at the middle position of the lower surface of the cover plate 5, and the lower end of the circular tube 15 passes through the aerator 13 and is fixedly connected with the middle position of the bottom plate of the aerator 13. An output shaft of the motor 19 is connected with an upper end shaft of the stirring shaft 14 through a coupler, the lower end of the stirring shaft 14 penetrates through a lower port of the circular tube 15 to be connected with the stirrer 12 through a shaft, and inner walls of the upper end and the lower end of the circular tube 15 are movably connected with the stirring shaft 14 through bearings respectively. The upper end of the circular tube 15 is fixedly connected with the cover plate 5 in a sealing way, and the lower part of the circular tube 15 is fixedly connected with the top plate of the aerator 13 and the bottom plate of the aerator 13 in a sealing way respectively.
As shown in fig. 1, a first air inlet pipe 9 and a second air inlet pipe 18 are fixed on the upper plate of the aerator 13 in a central symmetry manner, the lower ends of the first air inlet pipe 9 and the second air inlet pipe 18 are respectively communicated with the inner cavity of the aerator 13, and the upper ends of the first air inlet pipe 9 and the second air inlet pipe 18 pass through the cover plate 5 and are respectively communicated with an external air source.
As shown in fig. 1, the cover plate 5 is fixed with a temperature sensor 17 and the feed pipe 4, respectively. The temperature measuring end of the temperature sensor 17 extends to the inner cavity of the reactor body 6, and the wiring end of the temperature sensor 17 is externally connected with a temperature control system 21; the upper end of the feeding pipe 4 penetrates through the cover plate 5 to be communicated with the feeding hopper 1, the lower end of the feeding pipe 4 extends to the inner cavity of the reactor body 6, and the upper part of the feeding pipe 4 is provided with the regulating valve 2.
As shown in fig. 1, a gas detector 16 is installed on the wall surface of the reactor body 6, a gas inlet of the gas detector 16 is communicated with the inner cavity of the reactor body 6, and a gas outlet of the gas detector 16 is communicated with the atmosphere.
As shown in FIG. 1, a discharge pipe 11 is provided near the bottom of the reactor body 6, and the discharge pipe 11 is provided with a discharge valve 10.
As shown in fig. 1, the temperature control system 21 includes a temperature meter 22 and an ac contactor 23. The power ports L3 and L4 of the temperature instrument 22 are connected with the corresponding live wire and the zero line, the L2 end of the normally open contact S1 of the temperature instrument 22 is connected with the live wire, the L1 end of the normally open contact S1 is connected with the T1 end of the alternating current contactor 23, and the T2 end of the alternating current contactor 23 is connected with the zero line. The A1 end and the A2 end of the temperature instrument 22 are connected with two lead wires at the non-temperature measuring end of the temperature sensor 17. The C2 end of the normally open contact S2 of the alternating current contactor 23 is connected with the Y2 end of the electric stove wire 8, the C1 end of the alternating current contactor 23 is connected with the live wire, and the Y1 end of the electric stove wire 8 is connected with the zero line.
As shown in fig. 1, the first intake pipe 9 and the second intake pipe 18 are correspondingly provided with a first check valve 3 and a second check valve 20.
The distance between the paddle of the stirrer 12 and the bottom plate of the reactor body 6 is 0.1 time of the height of the inner cavity of the reactor body 6, and the radius of the paddle of the stirrer 12 is 0.5 time of the radius of the inner cavity of the reactor body 6.
The distance between the lower surface of the aerator 13 and the blades of the stirrer 12 is 0.08 times of the height of the inner cavity of the reactor, and the distance between the outer side surface of the aerator 13 and the side surface of the inner cavity of the reactor body 6 is 0.15 times of the diameter of the reactor body 6.
The lower ports of the first air inlet pipe 9 and the second air inlet pipe 18 are positioned at 0.25 times of the height of the inner cavity of the aerator 13.
Example 2
CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 The reactor (2). Example 1 was followed, except for the following parameters:
the distance between the paddle of the stirrer 12 and the bottom plate of the reactor body 6 is 0.15 time of the height of the inner cavity of the reactor body 6, and the radius of the paddle of the stirrer 12 is 0.6 time of the radius of the inner cavity of the reactor body 6.
The distance between the lower surface of the aerator 13 and the blades of the stirrer 12 is 0.10 times of the height of the inner cavity of the reactor, and the distance between the outer side surface of the aerator 13 and the side surface of the inner cavity of the reactor body 6 is 0.20 times of the diameter of the reactor body 6.
The lower ports of the first air inlet pipe 9 and the second air inlet pipe 18 are positioned at 0.35 times of the height of the inner cavity of the aerator 13.
Example 3
CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 The reactor of (1). The procedure is as in example 1, except for the following parameters:
the distance between the blade of the stirrer 12 and the bottom plate of the reactor body 6 is 0.2 time of the height of the inner cavity of the reactor body 6, and the radius of the blade of the stirrer 12 is 0.7 time of the radius of the inner cavity of the reactor body 6.
The distance between the lower surface of the aerator 13 and the blades of the stirrer 12 is 0.15 times of the height of the inner cavity of the reactor, and the distance between the outer side surface of the aerator 13 and the side surface of the inner cavity of the reactor body 6 is 0.25 times of the diameter of the reactor body 6.
The lower ports of the first air inlet pipe 9 and the second air inlet pipe 18 are positioned at 0.5 times of the height of the inner cavity of the aerator 13.
Compared with the prior art, the specific implementation mode has the following beneficial effects:
1. this embodiment sets up agitator 12 in reactor body 6, drives agitator 12 through motor 19 and rotates in order to increase solid-liquid-gas three-phase area of contact, has compensatied and has only through the produced not enough and insufficient problem of mineralize mineralization reaction of stirring power of pneumatic stirring, and electric stirring device can overcome high viscosity, the easy problem of deposiing of mineralizer of high density and aeration inequality effectively, has extremely strong adaptability to the mineralizer (raw materials) of different concentration.
2. This embodiment is equipped with temperature sensor 17 and temperature control system 21, and temperature sensor 17 real-time supervision reactor body 6 is interior the temperature of material to with data feedback to temperature control system 21, the electric stove silk 8 that is equipped with between temperature control system 21 and insulator 7 is connected, can provide required reaction temperature, has avoided mineralizer to CO under low temperature environment 2 Low mineralization rate and wide adaptability to environmental temperature.
3. The specific embodiment is characterized in that an aerator 13 is arranged in the reactor body 6, the inner cavity of the aerator 13 is respectively communicated with the lower ports of the first air inlet pipe 9 and the second air inlet pipe 18, so that introduced gas forms small bubbles through the aerator 13 to be fully contacted with mineralizer slurry in the reactor, the contact area of gas, liquid and solid phases is increased, and the effects of mixing and stirring are achieved, so that solid particles in the reactor can be in a suspension state, and the mineralizer and CO are enabled to be in suspension state 2 The two are uniformly mixed, and the mineralizer pair CO is improved 2 Fixation efficiency of mineralization of gas.
4. In the present embodiment, the gas detector is provided on the side wall of the reactor body 616, can monitor CO in the gas overflowed after mineralization in real time 2 The content; due to any mineralizer on CO 2 There is an upper limit for the fixed amount, if any, of CO in the escaping gas 2 The content is about to exceed the standard, the operation of the reactor can be stopped in time, and the mineralizer is replaced. Avoidance of saturated mineralizer pair CO 2 Inefficient mineralization of gas leading to insufficiently mineralized CO 2 Risk of gas leakage.
Therefore, the embodiment has the characteristics of strong raw material adaptability, wide environment temperature adaptability, full reaction and high mineralization efficiency, and can monitor CO in mineralized gas in real time 2 Content of CO is not fully mineralized 2 Risk of gas leakage.
Claims (5)
1. CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 The reactor is characterized by comprising a reactor body (6), a cover plate (5), a feeding pipe (4), an electric furnace wire (8), a stirrer (12), an aerator (13), a gas detector (16), a temperature sensor (17) and a temperature control system (21);
the reactor body (6) is cylindrical, a port of the reactor body (6) is fixedly connected with the cover plate (5) through a bolt, and a sealing ring is arranged between the port of the reactor body (6) and the cover plate (5); the outer surface of the circular wall and the outer surface of the bottom of the reactor body (6) are coated with insulators (7), and an electric furnace wire (8) is arranged between the insulators (7) and the reactor body (6);
a motor (19) is arranged in the middle of the upper surface of the cover plate (5), a round pipe (15) is vertically fixed in the middle of the lower surface of the cover plate (5), and the lower end of the round pipe (15) penetrates through the aerator (13) to be fixedly connected with the middle of the bottom plate of the aerator (13); an output shaft of the motor (19) is connected with an upper end shaft of the stirring shaft (14) through a coupler, the lower end of the stirring shaft (14) penetrates through a lower port of the circular tube (15) to be connected with the stirrer (12) through a shaft, and the inner walls of the upper end and the lower end of the circular tube (15) are respectively movably connected with the stirring shaft (14) through bearings; the upper end of the circular tube (15) is fixedly connected with the cover plate (5) in a sealing way, and the lower part of the circular tube (15) is fixedly connected with the top plate of the aerator (13) and the bottom plate of the aerator (13) in a sealing way respectively;
a first air inlet pipe (9) and a second air inlet pipe (18) are fixed on an upper flat plate of the aerator (13) in a central symmetry manner, the lower ends of the first air inlet pipe (9) and the second air inlet pipe (18) are respectively communicated with an inner cavity of the aerator (13), and the upper ends of the first air inlet pipe (9) and the second air inlet pipe (18) penetrate through the cover plate (5) and are respectively communicated with an external air source;
the cover plate (5) is respectively fixed with a temperature sensor (17) and a feeding pipe (4); the temperature measuring end of the temperature sensor (17) extends to the inner cavity of the reactor body (6), and the wiring end of the temperature sensor (17) is externally connected with a temperature control system (21); the upper end of the feeding pipe (4) penetrates through the cover plate (5) to be communicated with the feeding hopper (1), the lower end of the feeding pipe (4) extends to the inner cavity of the reactor body (6), and the upper part of the feeding pipe (4) is provided with the regulating valve (2); a gas detector (16) is arranged on the wall surface of the reactor body (6), the gas inlet of the gas detector (16) is communicated with the inner cavity of the reactor body (6), and the gas outlet of the gas detector (16) is communicated with the atmosphere;
a discharge pipe (11) is arranged at the bottom part close to the reactor body (6), and the discharge pipe (11) is provided with a discharge valve (10);
the temperature control system (21) comprises a temperature instrument (22) and an alternating current contactor (23); the power ports L3 and L4 of the temperature instrument (22) are connected with the corresponding live wire and the zero line, the L2 end of a normally open contact S1 of the temperature instrument (22) is connected with the live wire, the L1 end of the normally open contact S1 is connected with the T1 end of the alternating current contactor (23), and the T2 end of the alternating current contactor (23) is connected with the zero line; the A1 end and the A2 end of the temperature instrument (22) are connected with two lead wires at the non-temperature measuring end of the temperature sensor (17); the C2 end of a normally open contact S2 of the alternating current contactor (23) is connected with the Y2 end of the electric stove wire (8), the C1 end of the alternating current contactor (23) is connected with the live wire, and the Y1 end of the electric stove wire (8) is connected with the zero line.
2. The method for vanadium tailings mineralization sequestration of CO as claimed in claim 1 2 The reactor of (2), characterized in that: the first air inlet pipe (9) and the second air inlet pipe (18) are correspondingly provided with a first check valve (3) and a second check valve (20).
3. The method for vanadium tailings mineralization sequestration of CO of claim 1 2 The reactor of (2), characterized in that: the stirrer (a)12 The distance between the paddle of the stirrer (12) and the bottom plate of the reactor body (6) is 0.1 to 0.2 time of the height of the inner cavity of the reactor body (6), and the radius of the paddle of the stirrer is 0.5 to 0.7 time of the radius of the inner cavity of the reactor body (6).
4. The method for vanadium tailings mineralization sequestration of CO of claim 1 2 The reactor of (2), characterized in that: the distance between the lower surface of the aerator (13) and the blades of the stirrer (12) is 0.08-0.15 time of the height of the inner cavity of the reactor, and the distance between the outer side surface of the aerator (13) and the side surface of the inner cavity of the reactor body (6) is 0.15-0.25 time of the diameter of the reactor body (6).
5. The method for vanadium tailings mineralization sequestration of CO of claim 1 2 The reactor of (2), characterized in that: the lower ports of the first air inlet pipe (9) and the second air inlet pipe (18) are positioned at the position 0.25-0.5 times of the height of the inner cavity of the aerator (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210831631.2A CN115228414A (en) | 2022-07-14 | 2022-07-14 | CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 Reactor (a) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210831631.2A CN115228414A (en) | 2022-07-14 | 2022-07-14 | CO (carbon monoxide) for mineralizing and storing vanadium tailings 2 Reactor (a) |
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