CN219860802U - Ozone catalytic oxidation reaction device - Google Patents
Ozone catalytic oxidation reaction device Download PDFInfo
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- CN219860802U CN219860802U CN202320080446.4U CN202320080446U CN219860802U CN 219860802 U CN219860802 U CN 219860802U CN 202320080446 U CN202320080446 U CN 202320080446U CN 219860802 U CN219860802 U CN 219860802U
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 104
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 91
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims description 38
- 239000002253 acid Substances 0.000 claims description 36
- 239000003513 alkali Substances 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000006385 ozonation reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000011949 solid catalyst Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an ozone catalytic oxidation reaction device which is provided with a raw water inlet unit, a catalytic oxidation reaction column, a warm water bath, an ozone generating and aerating unit, a dosing unit, a power temperature control and monitoring unit, a tail gas absorbing unit and a water outlet unit, wherein the raw water inlet unit is connected with the side surface of the upper part of the catalytic oxidation reaction column, the ozone generating and aerating unit is connected with the top of the catalytic oxidation reaction column, the dosing unit is connected with the side surface of the upper part of the catalytic oxidation reaction column, the power temperature control and monitoring unit is positioned above the catalytic oxidation reaction column and is connected with the top end parts of the catalytic oxidation reaction column and the constant temperature water bath, the tail gas absorbing unit is connected with the side surface of the upper part of the catalytic oxidation reaction column, and the water outlet unit is connected with the side surface of the middle part of the catalytic oxidation reaction column. The utility model ensures that the ozone catalytic oxidation reaction is smoothly and efficiently carried out, and simultaneously monitors and controls the pH value, the rotating speed and the temperature of the reaction on line.
Description
Technical Field
The utility model relates to a drilling wastewater treatment device, in particular to an ozone catalytic oxidation reaction device.
Background
The drilling wastewater is special industrial wastewater generated in the exploration and development process of oil and gas fields, and has the characteristics of high pollutant concentration, complex components, high stability, high chromaticity and poor biodegradability. Chemical additives, heavy metals, high molecular organic compounds and the like contained in the drilling wastewater.
At present, the treatment of the drilling wastewater mainly adopts a physical method, a chemical method and a biological method, but the methods have the defects of low treatment efficiency, high cost and the like, and can not achieve a satisfactory treatment effect. The heterogeneous catalytic ozonation technology is a novel advanced oxidation technology with stronger competitiveness, and under the reaction conditions of normal temperature and normal pressure, a metal oxide is used as a solid catalyst to accelerate the reaction rate of liquid phase or gas phase, so that the decomposition of ozone is promoted, a series of high-activity and strong-oxidability intermediate products OH or complexes which are easy to decompose by ozone are further generated, the degradation capability of ozone on organic matters is enhanced, and the method has the advantages of mild reaction conditions, good treatment effect, less energy consumption, simplicity and convenience in operation, no secondary pollution and the like. Therefore, development of efficient heterogeneous catalytic ozonation technology and development of related devices have important research significance.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an ozone catalytic oxidation reaction device, which is used for solving the problems of high efficiency and low energy consumption in the prior art for treating drilling wastewater, and simultaneously carrying out on-line monitoring and control on pH, temperature and stirring rotating speed in the catalytic ozonation reaction process.
The utility model provides an ozone catalytic oxidation reaction device for solving the technical problems, which is characterized in that: the device is provided with a raw water inlet unit, a catalytic oxidation reaction column, a warm water bath, an ozone generation and aeration unit, a dosing unit, a power temperature control and monitoring unit, a tail gas absorption unit and a water outlet unit. The raw water inlet unit is used for realizing automatic water inlet of raw water, the catalytic oxidation reaction column is used for realizing heterogeneous catalytic ozonation reaction, the ozone generating and aerating unit is used for providing ozone and micro bubbles required by the catalytic ozonation reaction, the gas-liquid two-phase reaction rate is improved, the dosing unit is used for adding acid liquor and alkali liquor for controlling the reaction pH value, the dynamic temperature control and monitoring unit is used for adjusting the reaction temperature, stirring rotation speed and monitoring the reaction pH value, and the tail gas absorbing unit is used for absorbing residual ozone tail gas in the reaction process.
The raw water inlet unit comprises a raw water tank, a water inlet metering pump, a water inlet pipe and a water inlet valve, wherein the raw water tank is connected with the water inlet metering pump, the water inlet metering pump is connected with the water inlet pipe and the water inlet valve, and the water inlet pipe is connected with the side surface of the upper part of the catalytic oxidation reaction column.
The catalytic oxidation reaction column is a self-made organic glass reaction column, is positioned at the central position inside the constant-temperature water bath, is internally provided with a microporous aeration head, a stirrer and an online pH tester, is provided with a stirring motor at the top end position, and can be used for throwing a reinforcing body catalyst into the reaction column through the top end position of the catalytic oxidation reaction column.
The constant temperature water bath is a self-made organic glass bath body, and a heating pipe is arranged in the constant temperature water bath.
The ozone generating and aerating unit comprises a high-pressure oxygen bottle, an ozone generator, a flowmeter, an air inlet pipeline and a microporous aerating head, wherein the high-pressure oxygen bottle is connected with the ozone generator, the ozone generator is connected with the flowmeter and the air inlet pipeline, and the air inlet pipeline is led into the tank body from the top end of the catalytic oxidation reaction column and is connected with the microporous aerating head.
The dosing unit comprises an acid liquor box, an acid liquor metering pump, an acid liquor pipe, an alkali liquor box, an alkali liquor metering pump and an alkali liquor pipe, wherein the acid liquor box is connected with the acid liquor pipe into a whole through the acid liquor metering pump, the alkali liquor box is connected with the alkali liquor pipe into a whole through the alkali liquor metering pump, and the acid liquor pipe and the alkali liquor pipe are connected with the side surface of the upper part of the catalytic oxidation reaction column.
The power temperature control and monitoring unit comprises an on-line monitoring control panel, a pH on-line measuring instrument, a stirrer, a stirring motor and a heating pipe, wherein a rotating speed display and adjustment control panel, a pH value display panel and a temperature display and adjustment control panel are arranged in the on-line monitoring control panel; the stirrer and the pH on-line measuring instrument are positioned in the catalytic oxidation reaction column, and the stirrer is connected with a stirring motor positioned at the top end of the catalytic oxidation reaction column and connected with a rotating speed display and adjustment control panel; the pH on-line measuring instrument is connected with the pH value display panel; the heating pipe is positioned in the constant temperature water bath and is connected with the temperature display and adjustment control panel.
The tail gas absorption unit comprises a tail gas connecting pipe and a tail gas absorption tank, one end of the tail gas connecting pipe is connected with the side face of the upper part of the catalytic oxidation reaction column, the other end of the tail gas connecting pipe is connected with the tail gas absorption tank, and the tail gas absorption tank is filled with KI solution with the mass fraction of 2%.
The water outlet unit comprises a water outlet pipe and a water outlet valve, one end of the water outlet pipe is connected with the water outlet valve, the other end of the water outlet pipe is connected with the side surface of the middle part of the catalytic oxidation reaction column, and the joint of the water inlet unit and the catalytic oxidation reaction column is higher than the joint of the water outlet unit and the catalytic oxidation reaction column.
In the utility model, the catalytic oxidation reaction column is respectively connected with a water inlet pipe, a water outlet pipe, an air inlet pipe, an acid liquor pipe, an alkali liquor pipe and a tail gas connecting pipe. The tail gas absorption tank is filled with KI solution with the mass fraction of 2% and is used for absorbing the residual ozone tail gas in the catalytic ozonation reaction process. The acid liquor tank is filled with acid liquor, the acid liquor is added into the catalytic oxidation reaction column through the acid liquor metering pump, the alkali liquor is filled into the catalytic oxidation reaction column through the alkali liquor metering pump, and the pH value in the reaction process is regulated according to the pH value displayed on the on-line monitoring panel, so that the purpose of monitoring and controlling the pH value in real time is achieved.
The device can smoothly carry out heterogeneous catalytic ozonation reaction, and can accelerate the reaction rate of gas-liquid two phases, improve the degradation capability of ozone on organic matters and ensure the efficient implementation of the catalytic ozonation reaction by throwing a solid catalyst, introducing ozone with a certain flow rate and providing micro-bubbles into the reaction column by the micro-pore aeration head. The device can simultaneously monitor and control the reaction pH value, the stirring rotation speed and the reaction temperature on line, and has simple structural design and high wastewater treatment efficiency.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and detailed description:
FIG. 1 is a schematic view of the structure of the device of the present utility model;
FIG. 2 is a schematic diagram of the connection of units in the present utility model.
The specific identification in the figure is as follows:
1. raw water tank 2, water inlet metering pump 3, water inlet pipe 4, water inlet valve 5, catalytic oxidation reaction column 6, high-pressure oxygen bottle 7, ozone generator 8, 9, flowmeter 10, air inlet pipe 11, microporous aeration head 12, acid liquor tank 13, acid liquor metering pump 14, acid liquor pipe 15, alkali liquor tank 16, alkali liquor pipe 17, alkali liquor pipe 18, on-line monitoring control panel 19, stirrer 20, stirring motor 21, rotation speed display and regulation control panel 22, pH on-line measuring instrument 23, pH value display panel 24, heating pipe 25, temperature display and regulation control panel 26, tail gas connecting pipe 27, tail gas absorbing tank 28, water outlet pipe 29, water outlet valve 30, solid catalyst
Description of the embodiments
The utility model is further described in connection with the following embodiments:
examples
The device is provided with a raw water inlet unit, a catalytic oxidation reaction column, a warm water bath, an ozone generation and aeration unit, a dosing unit, a power temperature control and monitoring unit, a tail gas absorption unit and a water outlet unit as shown in figure 1. The raw water inlet unit is connected with the side surface of the upper part of the catalytic oxidation reaction column (5), the ozone generating and aerating unit is connected with the top of the catalytic oxidation reaction column (5), the dosing unit is connected with the side surface of the upper part of the catalytic oxidation reaction column (5), the power temperature control and monitoring unit is positioned above the catalytic oxidation reaction column (5) and is connected with the catalytic oxidation reaction column (5) and the top end part of the constant temperature water bath pool (6), the tail gas absorbing unit is connected with the side surface of the upper part of the catalytic oxidation reaction column (5), the water outlet unit is connected with the side surface of the middle part of the catalytic oxidation reaction column (5), and the catalytic oxidation reaction column (5) is positioned at the central position inside the constant temperature water bath pool (6). The joint of the water inlet unit and the catalytic oxidation reaction column (5) is higher than the joint of the water outlet unit and the catalytic oxidation reaction column (5). The units are connected by pipelines.
Further, the raw water inlet unit is provided with a raw water tank (1), a water inlet metering pump (2), a water inlet pipe (3) and a water inlet valve (4), the raw water tank (1) is connected with the water inlet metering pump (2), the water inlet metering pump (2) is connected with the water inlet pipe (3) and the water inlet valve (4), and the water inlet pipe (3) is connected with the side surface of the upper part of the catalytic oxidation reaction column (5).
Further, the catalytic oxidation reaction column (5) is a self-made organic glass reaction column, the self-made organic glass reaction column is located at the central position inside a constant-temperature water bath (6), a microporous aeration head (11), a stirrer (19) and a pH on-line measuring instrument (22) are arranged in the catalytic oxidation reaction column (5), a stirring motor (20) is arranged at the top end position of the catalytic oxidation reaction column (5), and a reinforcement catalyst (30) can be added into the reaction column (5) through the top end position of the catalytic oxidation reaction column.
Further, the constant-temperature water bath pool (6) is a self-made organic glass pool body, and a heating pipe (24) is arranged in the constant-temperature water bath pool.
Further, the ozone generating and aerating unit is provided with a high-pressure oxygen bottle (7), an ozone generator (8), a flowmeter (9), an air inlet pipeline (10) and a microporous aerating head (11), the high-pressure oxygen bottle (7) is connected with the ozone generator (8), the ozone generator (8) is connected with the flowmeter (9) and the air inlet pipeline (10), and the air inlet pipeline (10) is led into the cylinder from the top end of the catalytic oxidation reaction column (5) and is connected with the microporous aerating head (11). Ozone with a certain flow rate is introduced into the catalytic oxidation reaction column (5) through the ozone generation and aeration unit, micro-pore aeration heads (11) provide micro-bubbles into the reaction column, and meanwhile, a solid catalyst (30) is added to accelerate the reaction rate of gas-liquid two phases, improve the degradation capability of ozone on organic matters and ensure that the catalytic ozonation reaction is performed efficiently.
Further, the dosing unit is provided with an acid liquor box (12), an acid liquor metering pump (13), an acid liquor pipe (14), an alkali liquor box (15), an alkali liquor metering pump (16) and an alkali liquor pipe (17), wherein the acid liquor box (12) is connected with the acid liquor pipe (14) into a whole through the acid liquor metering pump (13), the alkali liquor box (15) is connected with the alkali liquor pipe (17) into a whole through the alkali liquor metering pump (16), and the acid liquor pipe (14) and the alkali liquor pipe (17) are connected with the side face of the upper part of the catalytic oxidation reaction column (5).
Acid liquor is filled in the acid liquor tank (12), the acid liquor is added into the catalytic oxidation reaction column (5) through the acid liquor metering pump (13), the alkali liquor is filled in the alkali liquor tank (15), the alkali liquor is added into the catalytic oxidation reaction column (5) through the alkali liquor metering pump (16), and the pH value in the catalytic ozonation reaction process is regulated according to the pH value displayed on the pH value display panel (23) in the power temperature control and monitoring unit, so that the purposes of monitoring and controlling the pH value in real time are achieved.
Further, the power temperature control and monitoring unit is provided with an on-line monitoring control panel (18), a stirrer (19), a stirring motor (20), a pH on-line measuring instrument (22) and a heating pipe (24), and a rotating speed display and adjustment control panel (21), a pH value display panel (23) and a temperature display and adjustment control panel (25) are also arranged in the on-line monitoring control panel (18); the stirrer (19) and the pH on-line measuring instrument (22) are positioned in the catalytic oxidation reaction column (5), the stirrer (19) is connected with a stirring motor (20) positioned at the top end of the catalytic oxidation reaction column (5) and is connected with a rotating speed display and adjustment control panel (21), and ozone, aqueous solution and catalyst can be fully contacted in the reactor by stirring in the reaction process, so that the gas-liquid two-phase reaction rate is improved; the pH on-line measuring instrument (22) is connected with the pH value display panel (23); the heating pipe (24) is positioned in the constant-temperature water bath (6) and is connected with the temperature display and adjustment control panel (25); the rotation speed and the temperature in the catalytic ozonation reaction process are regulated according to the rotation speed display and regulation control panel (21) and the rotation speed and the temperature value displayed on the temperature display and regulation control panel (25) in the power temperature control and monitoring unit, so that the purposes of real-time monitoring and controlling of the rotation speed and the temperature are achieved.
Further, one end of a tail gas connecting pipe (26) of the tail gas absorbing unit is connected with the side surface of the upper part of the catalytic oxidation reaction column (5), the other end of the tail gas connecting pipe is connected with a tail gas absorbing tank (27), and the tail gas absorbing tank (27) is filled with KI solution with the mass fraction of 2% and is used for absorbing residual ozone tail gas in the catalytic ozonation reaction process.
Further, the water outlet unit is provided with a water outlet pipe (28) and a water outlet valve (29), one end of the water outlet pipe (28) is connected with the water outlet valve (29), and the other end of the water outlet pipe is connected with the side surface of the middle part of the catalytic oxidation reaction column (5).
When the device works, a water inlet valve (4) is opened, and a water inlet metering pump (2) pumps drilling wastewater with a certain concentration in an original water tank (1) into a catalytic oxidation reaction column (5) through a water inlet pipe (3); a certain amount of solid catalyst (30) is added from the top end position of the catalytic oxidation reaction column (5); opening a high-pressure oxygen bottle (7) and an ozone generator (8), and continuously adding ozone micro-bubbles with a certain flow through a micro-pore aeration head (11); simultaneously, a stirrer (19) is turned on through a rotation speed display and adjustment control panel (21) and the rotation speed is adjusted, so that the gas-liquid two-phase and the solid catalyst in the catalytic oxidation reaction column (5) are fully contacted and reacted; according to the monitoring result of the pH on-line measuring instrument (22), acid liquor and alkali liquor are added into the catalytic oxidation reaction column (5) by controlling the acid liquor metering pump (13) and the alkali liquor metering pump (16), and the pH value in the catalytic ozonation reaction process is regulated; the heating pipe (24) is connected with a temperature display and adjustment control panel (25) for monitoring and controlling the water bath temperature in the catalytic ozonation reaction process, thereby achieving the purpose of monitoring and controlling the rotating speed, the pH value and the temperature in the reaction process in real time. The residual ozone tail gas in the reaction process is connected to a tail gas absorption tank (27) through a tail gas connecting pipe (26), and is effectively absorbed by using the KI solution in the tank. In the reaction process, a water outlet valve (29) is opened to sample and measure the concentration of organic matters in the water sample through a water outlet pipe (28), and after the reaction is finished, the water outlet valve (29) is opened to drain water.
While the basic principles and main features of the present utility model and advantages thereof have been shown and described, the foregoing embodiments and description are merely illustrative of the principles of the present utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an ozone catalytic oxidation reaction unit, includes raw water inlet unit, catalytic oxidation reaction post, constant temperature water bath, ozone generation and aeration unit, dosing unit, power temperature control and monitoring unit, tail gas absorption unit and play water unit, its characterized in that: the raw water inlet unit comprises a raw water tank (1), a water inlet metering pump (2), a water inlet pipe (3) and a water inlet valve (4), and is connected with the side surface of the upper part of the catalytic oxidation reaction column (5); the catalytic oxidation reaction column (5) is positioned in the hot water bath (6); the ozone generating and aerating unit comprises a high-pressure oxygen bottle (7), an ozone generator (8), a flowmeter (9), an air inlet pipeline (10) and a microporous aerating head (11), wherein the air inlet pipeline (10) is led into the tank body from the top end of the catalytic oxidation reaction column (5) and is connected with the microporous aerating head (11); the dosing unit comprises an acid liquor box (12), an acid liquor metering pump (13), an acid liquor pipe (14), an alkali liquor box (15), an alkali liquor metering pump (16) and an alkali liquor pipe (17), and is connected with the side surface of the upper part of the catalytic oxidation reaction column (5); the power temperature control and monitoring unit comprises an on-line monitoring control panel (18), a stirrer (19), a stirring motor (20), a pH on-line measuring instrument (22) and a heating pipe (24), wherein the pH on-line measuring instrument (22) and the stirrer (19) are positioned in the catalytic oxidation reaction column (5), and the heating pipe (24) is positioned in the hot water bath (6) and is connected with the on-line monitoring control panel (18); the tail gas absorption unit comprises a tail gas connecting pipe (26) and a tail gas absorption tank (27), and is connected with the side surface of the upper part of the catalytic oxidation reaction column (5) through the tail gas connecting pipe (26); the water outlet unit comprises a water outlet pipe (28) and a water outlet valve (29) and is connected with the middle part of the catalytic oxidation reaction column (5); the joint of the water inlet unit and the catalytic oxidation reaction column (5) is higher than the joint of the water outlet unit and the catalytic oxidation reaction column (5).
2. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: the raw water tank (1) of the water inlet unit is connected with the water inlet metering pump (2), the water inlet metering pump (2) is connected with the water inlet pipe (3) and the water inlet valve (4), and the water inlet pipe (3) of the water inlet unit is connected with the side surface of the upper part of the catalytic oxidation reaction column (5).
3. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: the catalytic oxidation reaction column (5) is a self-made organic glass reaction column, is positioned at the central position inside the constant-temperature water bath (6), is internally provided with a microporous aeration head (11), a stirrer (19) and a pH on-line measuring instrument (22), is arranged at the top end position of the catalytic oxidation reaction column (5), is provided with a stirring motor (20), and can be used for simultaneously throwing a reinforcement catalyst (30) into the reaction column through the top end position of the catalytic oxidation reaction column (5).
4. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: the constant-temperature water bath (6) is a self-made organic glass bath body, and a heating pipe (24) is arranged in the constant-temperature water bath.
5. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: the high-pressure oxygen bottle (7) of the ozone generating and aerating unit is connected with the ozone generator (8), the ozone generator (8) is connected with the flowmeter (9) and the air inlet pipeline (10), and the air inlet pipeline (10) is led into the reaction column from the top end of the catalytic oxidation reaction column (5) and is connected with the microporous aerating head (11).
6. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: the acid liquor box (12) of the dosing unit is connected with the acid liquor pipe (14) into a whole through the acid liquor metering pump (13), the alkali liquor box (15) is connected with the alkali liquor pipe (17) into a whole through the alkali liquor metering pump (16), and the acid liquor pipe (14) and the alkali liquor pipe (17) are connected with the side face of the upper part of the catalytic oxidation reaction column (5).
7. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: a rotating speed display and adjustment control panel (21), a pH value display panel (23) and a temperature display and adjustment control panel (25) are arranged in an on-line monitoring control panel (18) of the power temperature control and monitoring unit; the stirrer (19) and the pH on-line measuring instrument (22) are positioned in the catalytic oxidation reaction column (5), and the stirrer (19) is connected with a stirring motor (20) positioned at the top end of the catalytic oxidation reaction column (5) and is connected with a rotating speed display and adjustment control panel (21); the pH on-line measuring instrument (22) is connected with the pH value display panel (23); the heating pipe (24) is positioned in the constant temperature water bath (6) and is connected with the temperature display and adjustment control panel (25).
8. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: one end of a tail gas connecting pipe (26) of the tail gas absorbing unit is connected with the side surface of the upper part of the catalytic oxidation reaction column (5), the other end of the tail gas connecting pipe is connected with a tail gas absorbing tank (27), and the tail gas absorbing tank (27) is filled with KI solution with the mass fraction of 2%.
9. An ozone catalytic oxidation reaction apparatus according to claim 1, wherein: one end of a water outlet pipe (28) of the water outlet unit is connected with a water outlet valve (29), and the other end of the water outlet pipe is connected with the side surface of the middle part of the catalytic oxidation reaction column (5).
Priority Applications (1)
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CN202320080446.4U CN219860802U (en) | 2023-01-12 | 2023-01-12 | Ozone catalytic oxidation reaction device |
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CN202320080446.4U CN219860802U (en) | 2023-01-12 | 2023-01-12 | Ozone catalytic oxidation reaction device |
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CN219860802U true CN219860802U (en) | 2023-10-20 |
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