CN115754146B - Evaluation test bed for adsorption degradation of activated carbon - Google Patents
Evaluation test bed for adsorption degradation of activated carbon Download PDFInfo
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- CN115754146B CN115754146B CN202211440217.5A CN202211440217A CN115754146B CN 115754146 B CN115754146 B CN 115754146B CN 202211440217 A CN202211440217 A CN 202211440217A CN 115754146 B CN115754146 B CN 115754146B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000015556 catabolic process Effects 0.000 title claims abstract description 32
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 32
- 238000011156 evaluation Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000009826 distribution Methods 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003546 flue gas Substances 0.000 claims abstract description 33
- 239000000047 product Substances 0.000 claims abstract description 25
- 239000012071 phase Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000011810 insulating material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 7
- 239000012153 distilled water Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims description 8
- 229940117389 dichlorobenzene Drugs 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 2
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- 239000003463 adsorbent Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The invention discloses an evaluation test bed for adsorption degradation of active carbon, which comprises the following components: the system comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system which are connected in sequence; the gas distribution system is used for mixing gasified distilled water to obtain a mixture to be adsorbed; the flue gas preheating system adopts a flue gas preheating coil heating furnace form, and alloy resistance wires are arranged in the furnace in a series manner and high-temperature-resistant heat-conducting insulating materials and heat-insulating materials are filled in the furnace; the exhaust emission system includes: a condenser, a gas-liquid separation tank and a glass absorption bottle; the condenser is used for carrying out split-phase treatment on the reaction product under the control of the control system to obtain a liquid-phase product and a gas-phase product, the gas-liquid separation tank can be used for storing the liquid-phase product, and the glass absorption bottle can be used for storing the gas-phase product. Thereby simulating the reaction conditions of the garbage power plant, and carrying out the detection of the reactivity of the powdery activated carbon sample so as to determine the adsorption and degradation capacities of the activated carbon.
Description
Technical Field
The invention relates to the technical field of pollutant treatment, in particular to an evaluation test bed for adsorption degradation of activated carbon.
Background
The development of the garbage incineration power generation technology is rapid, so that the problem of 'garbage surrounding city' is solved, the reutilization of waste is realized, and the problem of energy shortage of the country is relieved to a certain extent. However, a lot of harmful gases and substances are inevitably generated in the process of generating electricity by garbage incineration, and the method has very important significance for the environmental pollution control work in China in terms of waste gas treatment.
The active carbon is an industrial adsorbent with very wide application, which is manufactured by using charcoal, various shells, high-quality coal and the like as raw materials and performing a series of procedures of crushing, sieving, catalyst activation, rinsing, drying, screening and the like on the raw materials by a physical and chemical method. Although the activated carbon adsorption apparatus is a common exhaust gas purifying apparatus, it fails to achieve the maximum adsorption purification effect of exhaust gas in actual industrial production.
Disclosure of Invention
The invention provides an evaluation test bed for adsorption degradation of activated carbon, which is used for simulating the reaction conditions of a garbage power plant and carrying out the detection of the reactivity of a powdery activated carbon sample so as to determine the adsorption degradation capacity of the activated carbon.
The invention provides an evaluation test bed for adsorption degradation of active carbon, which comprises the following components: the system comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system which are connected in sequence;
The gas distribution system comprises: dichlorobenzene, CO, NO2, SO2, N2, O2 and CO2 gas systems and water distribution systems; the gas distribution system is used for mixing gasified distilled water to obtain a mixture to be adsorbed;
the flue gas preheating system adopts a flue gas preheating coil heating furnace form, and alloy resistance wires are arranged in the furnace in a series manner and high-temperature-resistant heat-conducting insulating materials and heat-insulating materials are filled in the furnace;
the reaction system adopts a half-openable heating furnace structure;
The exhaust emission system includes: a condenser, a gas-liquid separation tank and a glass absorption bottle; the condenser is used for carrying out split-phase treatment on the reaction product under the control of the control system to obtain a liquid-phase product and a gas-phase product, the gas-liquid separation tank can be used for storing the liquid-phase product, and the glass absorption bottle can be used for storing the gas-phase product.
Optionally, the preheating temperature interval of the mixture to be adsorbed in the gas distribution system is 150-300 ℃.
Optionally, a DN300 is adopted as a shell of the flue gas preheating furnace in the gas distribution system, and a filler coil is adopted inside the flue gas preheating furnace.
Optionally, the temperature control range of the reaction system is normal temperature to 220 ℃, and the temperature control precision is +/-1 ℃.
Optionally, a DN40 quartz tube is adopted as the reaction tube in the reaction system.
Optionally, the totalizer of the reaction system is no greater than 1m 3/h.
Optionally, the mass flowmeter has a measuring range of 0-50 SCCM.
Optionally, the shell of the flue gas preheating furnace is insulated from the furnace body in a hollow mode, and the temperature of the heat insulation surface of the furnace body is not more than 50 ℃.
Alternatively, the operating temperature is between-30 ℃ and 50 ℃.
Alternatively, the working humidity is between 10% rh and 90% rh.
From the above technical scheme, the invention has the following advantages:
The invention discloses an evaluation test bed for adsorption degradation of active carbon, which comprises the following components: the system comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system which are connected in sequence; the gas distribution system comprises: dichlorobenzene, CO, NO2, SO2, N2, O2 and CO2 gas systems and water distribution systems; the gas distribution system is used for mixing gasified distilled water to obtain a mixture to be adsorbed; the flue gas preheating system adopts a flue gas preheating coil heating furnace form, and alloy resistance wires are arranged in the furnace in a series manner and high-temperature-resistant heat-conducting insulating materials and heat-insulating materials are filled in the furnace; the reaction system adopts a half-openable heating furnace structure; the exhaust emission system includes: a condenser, a gas-liquid separation tank and a glass absorption bottle; the condenser is used for carrying out split-phase treatment on the reaction product under the control of the control system to obtain a liquid-phase product and a gas-phase product, the gas-liquid separation tank can be used for storing the liquid-phase product, and the glass absorption bottle can be used for storing the gas-phase product. Thereby simulating the reaction conditions of the garbage power plant, and carrying out the detection of the reactivity of the powdery activated carbon sample so as to determine the adsorption and degradation capacities of the activated carbon.
Drawings
For a clearer description of embodiments of the invention or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, from which, without inventive faculty, other drawings can be obtained for a person skilled in the art;
FIG. 1 is a schematic diagram of a gas distribution system of an activated carbon adsorption degradation evaluation test bed;
FIG. 2 is a schematic diagram of a monitoring system of an activated carbon adsorption degradation evaluation test bed according to the present invention;
FIG. 3 is a reference layout diagram of a test bed of the activated carbon adsorption degradation evaluation test bed of the present invention;
FIG. 4 is a graph of the efficiency of the test bed for removing flue gas for an activated carbon adsorption degradation evaluation test bed of the present invention;
Wherein:
a is a gas cylinder group; b is a preheating furnace; c is a reaction furnace; d is a washing tank; e is a control box; 1 is a temperature controller; 2 is a dichlorobenzene injection pump; 3 is a mixed gas preheating furnace; 4 is an inlet sampling valve; 5 is a quality controller group; 6 is a semi-open reaction furnace; 7 is a standard gas cylinder group; 8 is a washing tank; 10 is a control system; 11 is a water vapor injection pump; 12 is an environmental sensor; 13 is a temperature sensor; 14 is an electric heater.
Detailed Description
The embodiment of the invention provides an evaluation test bed for adsorption degradation of activated carbon, which is used for simulating the reaction conditions of a garbage power plant and carrying out the detection of the reactivity of a powdery activated carbon sample so as to determine the adsorption degradation capacity of the activated carbon.
In order to make the present application better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
For ease of understanding, referring to fig. 1, fig. 1 is a schematic diagram of a gas distribution system of an activated carbon adsorption degradation evaluation test stand according to the present invention, including: the system comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system which are connected in sequence;
The gas distribution system comprises: dichlorobenzene, CO, NO2, SO2, N2, O2 and CO2 gas systems and water distribution systems; the gas distribution system is used for mixing gasified distilled water to obtain a mixture to be adsorbed;
the flue gas preheating system adopts a flue gas preheating coil heating furnace form, and alloy resistance wires are arranged in the furnace in a series manner and high-temperature-resistant heat-conducting insulating materials and heat-insulating materials are filled in the furnace;
the reaction system adopts a half-openable heating furnace structure;
The exhaust emission system includes: a condenser, a gas-liquid separation tank and a glass absorption bottle; the condenser is used for carrying out split-phase treatment on the reaction product under the control of the control system to obtain a liquid-phase product and a gas-phase product, the gas-liquid separation tank can be used for storing the liquid-phase product, and the glass absorption bottle can be used for storing the gas-phase product.
In the embodiment of the invention, the evaluation test bed comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system. The process flow is that deionized water is metered by a advection pump and then enters a vaporizer for vaporization, raw material gas is mixed after being metered by a mass flowmeter, then enters a preheater together with water vapor, then enters a reaction system for reaction respectively, and gas content analysis is carried out on gas entering and gas exiting from the reactor. The gas at the reaction outlet is cooled and then discharged to a designated area.
In addition, in the tail gas emission system in the embodiment, reaction products are discharged from the lower end of the reactor, enter the condenser to be condensed and then enter the gas-liquid separator to be subjected to split-phase treatment, and liquid-phase products are stored in the gas-liquid separation tank and can be intermittently discharged. The gas phase material enters a glass absorption bottle from the upper end of the separation tank through a rubber tube, different chemical reagents can be added to absorb tail gas, and the absorbed gas phase is discharged to a safety zone or a fume hood.
In the embodiment of the invention, the gas distribution system adopts an on-site compression steel cylinder as a gas source and comprises a dichlorobenzene, CO, NO2, SO2, N2, O2 and CO2 gas distribution system and a water distribution system.
In the concrete implementation, the high-concentration reaction gas passes through a manual ball valve, a filter and then enters a pressure reducing valve, the inlet and outlet pressure is measured, and then enters a gas mass flowmeter, and the flow is set and displayed. And then enters the gas mixer through the one-way valve. The gas circuit is provided with a bypass purging function, so that the utilization is satisfied.
Referring to fig. 3, fig. 3 is a schematic diagram of a monitoring system of an activated carbon adsorption degradation evaluation test bed according to the present invention, wherein a control interface includes a process flow chart, a control flow chart with control points, a parameter setting table, a real-time curve and a history curve of each control point, a history curve retention time is permanent, and the like.
Specifically, the preheating temperature interval of the mixture to be adsorbed in the gas distribution system is 150-300 ℃.
Concretely, a DN300 is adopted as a shell of the flue gas preheating furnace in the gas distribution system, and a filler coil is adopted inside the flue gas preheating furnace.
Specifically, the temperature control range of the reaction system is normal temperature to 220 ℃, and the temperature control precision is +/-1 ℃.
Specifically, a DN40 quartz tube is adopted as a reaction tube in the reaction system.
Specifically, the total amount of the reaction system is not more than 1m 3/h.
Specifically, the mass flowmeter has a measuring range of 0-50 SCCM.
Specifically, the shell of the flue gas preheating furnace is insulated from the furnace body in a hollow mode, and the temperature of the heat insulation surface of the furnace body is not more than 50 ℃.
In the embodiment of the invention, the reaction system adopts a half-open type heating furnace structure, and the sample tube in the reaction system is rapidly detachable, so that the loading and unloading of the activated carbon sample are convenient. The sample tube is internally provided with a pipeline structure for fixing powder, fragments or monolithic active carbon samples, and the pipeline structure is used for maintaining the positions of the samples in the sample tube so as to ensure that no sample leakage occurs; the highest use temperature of the sample tube is 650 ℃, the temperature control precision is better than +/-1 ℃, the temperature measuring points are respectively arranged at the inlet, the pipe core and the outlet of the reaction system and used for monitoring the temperature of the activated carbon sample at the corresponding positions, and the positions of the temperature measuring points are adjustable. The top of the reactor is provided with a pressure gauge and a pressure sensor for measuring the reaction pressure. The reactor requires gas dispersion and is equipped with a uniform distribution device. The reaction furnace adopts electric heating, is an open type three-section furnace, and controls the reaction temperature by controlling the temperature of the outer wall of the reactor, the heating temperature is adjustable, the instrument automatically controls the temperature, and the temperature can be programmed to be raised. Heating furnace shell material: the stainless steel, the shell and the furnace material are hollow and insulated, and the furnace shell is provided with punching holes for heat dissipation. And the hearth and the furnace wire adopt an integrated forming technology.
In the embodiment of the invention, the flue gas preheating system adopts a semi-openable heating furnace structure, the flue gas preheating coil is in a heating furnace form, the whole isolation plate is designed, alloy resistance wires are arranged in the flue gas preheating furnace in series, high-temperature resistant heat-conducting insulating materials and heat-insulating materials are filled, the surface temperature is less than 50 ℃, and the heat-conducting insulating materials can meet the high temperature in the furnace and ensure that the outer skin is not scalded.
In particular, the operating temperature is between-30 ℃ and 50 ℃.
In particular, the working humidity is between 10% rh and 90% rh.
The invention relates to a phase-failure protection device, comprising: the power box 1 is internally provided with a circuit breaker B, a switch controller C, an ammeter D and a concentrator A, wherein a communication module is arranged in the concentrator A, and the concentrator A is used for triggering the circuit breaker B to trip by issuing a tripping instruction to the switch controller C when a phase failure event occurs, and uploading the phase failure information and the switching action information generated by the switch controller C through the communication module; the electric power box 1 is internally provided with a mounting cavity 25, a rotary door 3 is rotatably arranged on the inner wall of the bottom side of the mounting cavity 25, a lock sleeve 4 is arranged on the rotary door 3, a key hole 5 is arranged on the side part of the lock sleeve 4, a lock hole 16 is arranged on the side part of the mounting cavity 25 close to the lock sleeve 4, a lock tongue 9 is slidably arranged in the lock sleeve 4, a limit mechanism is arranged on the lock tongue 9, the lock tongue 9 is positioned in the lock hole 16, a transmission groove 8 is arranged at the bottom of the lock hole 16, the transmission mechanism is installed in the transmission groove 8 and is connected with the limiting mechanism, a through hole 13 is formed in the side portion of the transmission groove 8, a sliding hole 14 is formed in the inner wall of the power box 1, a trigger mechanism is installed in the sliding hole 14 in a sliding mode, an alarm mechanism is installed on the inner wall of the top side of the sliding hole 14, the through hole 13 is communicated with the sliding hole 14, and the transmission mechanism penetrates through the through hole 13 and is connected with the trigger mechanism.
Referring to fig. 3, fig. 3 is a reference layout diagram of a test bed of an activated carbon adsorption degradation evaluation test bed according to the present invention, in which a preheating furnace B and a washing tank D are located below a control box E and a reaction furnace C, and a gas cylinder group a is located at one side of the preheating furnace B, and the test bed manufactured by taking this layout as an example is tested preliminarily, and the test results refer to a graph of the efficiency of removing flue gas of the test bed of the activated carbon adsorption degradation evaluation test bed according to the present invention shown in fig. 4, which shows that the removal effect of 9 gases is better, wherein the removal of dichlorobenzene reaches 80%.
The embodiment of the invention provides an evaluation test bed for adsorption degradation of active carbon, which comprises the following components: the system comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system which are connected in sequence; the gas distribution system comprises: dichlorobenzene, CO, NO2, SO2, N2, O2 and CO2 gas systems and water distribution systems; the gas distribution system is used for mixing gasified distilled water to obtain a mixture to be adsorbed; the flue gas preheating system adopts a flue gas preheating coil heating furnace form, and alloy resistance wires are arranged in the furnace in a series manner and high-temperature-resistant heat-conducting insulating materials and heat-insulating materials are filled in the furnace; the reaction system adopts a half-openable heating furnace structure; the exhaust emission system includes: a condenser, a gas-liquid separation tank and a glass absorption bottle; the condenser is used for carrying out split-phase treatment on the reaction product under the control of the control system to obtain a liquid-phase product and a gas-phase product, the gas-liquid separation tank can be used for storing the liquid-phase product, and the glass absorption bottle can be used for storing the gas-phase product. Thereby simulating the reaction conditions of the garbage power plant, and carrying out the detection of the reactivity of the powdery activated carbon sample so as to determine the adsorption and degradation capacities of the activated carbon.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. An activated carbon adsorption degradation evaluation test stand, which is characterized by comprising: the system comprises a gas distribution system, a flue gas preheating system, a reaction system, a tail gas emission system and a control system which are connected in sequence;
The gas distribution system comprises: dichlorobenzene, CO, NO2, SO2, N2, O2 and CO2 gas systems and water distribution systems; the gas distribution system is used for mixing gasified distilled water to obtain a mixture to be adsorbed;
the flue gas preheating system adopts a flue gas preheating coil heating furnace form, and alloy resistance wires are arranged in the furnace in a series manner and high-temperature-resistant heat-conducting insulating materials and heat-insulating materials are filled in the furnace;
The reaction system adopts a half-openable heating furnace structure, and temperature measuring points are respectively arranged at the inlet, the pipe core and the outlet of the reaction system; a sample tube is arranged in the reaction system, a pipeline structure for fixing powder, fragments or a monolithic active carbon sample is arranged in the sample tube, the highest use temperature of the sample tube is 650 ℃, and the temperature control precision is better than +/-1 ℃;
The exhaust emission system includes: a condenser, a gas-liquid separation tank and a glass absorption bottle; the condenser is used for carrying out split-phase treatment on the reaction product under the control of the control system to obtain a liquid-phase product and a gas-phase product, the gas-liquid separation tank can be used for storing the liquid-phase product, and the glass absorption bottle can be used for storing the gas-phase product.
2. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein the preheating temperature interval of the mixture to be adsorbed in the gas distribution system is 150-300 ℃.
3. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein a DN300 is adopted as a shell of a flue gas preheating furnace in the gas distribution system, and a filler coil is adopted inside the flue gas preheating furnace.
4. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein the temperature control range of the reaction system is from normal temperature to 220 ℃, and the temperature control accuracy is ±1 ℃.
5. The activated carbon adsorption degradation evaluation test stand according to claim 3, wherein a DN40 quartz tube is used as a reaction tube in the reaction system.
6. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein the total amount of the reaction system is not more than 1m 3/h.
7. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein the mass flowmeter has a measuring range of 0-50 SCCM.
8. The test bed for evaluating adsorption and degradation of activated carbon according to claim 3, wherein the shell of the flue gas preheating furnace is insulated from the furnace body by a hollow space, and the surface temperature of the furnace body is not higher than 50 ℃.
9. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein the working temperature is between-30 ℃ and 50 ℃.
10. The activated carbon adsorption degradation evaluation test stand according to claim 1, wherein the working humidity is between 10% rh and 90% rh.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010103392A1 (en) * | 2009-03-12 | 2010-09-16 | Alstom Technology Ltd | Flue gas treatment system and the method using amonia solution |
| CN103983748A (en) * | 2014-06-05 | 2014-08-13 | 北京国电清新环保技术股份有限公司 | Method and device for testing active coke desulfurization and denitration performance characterization |
| CN105510532A (en) * | 2015-12-16 | 2016-04-20 | 河北省电力建设调整试验所 | Denitration catalytic performance evaluation system and method |
| CN205826586U (en) * | 2016-03-08 | 2016-12-21 | 中国科学院过程工程研究所 | A kind of continuity method measures the automation equipment of activated coke sulfur dioxide capacity |
| CN106969999A (en) * | 2017-02-22 | 2017-07-21 | 清华大学 | A kind of true High Pressure Absorption kinetic test device and method of adsorbent |
| CN108982281A (en) * | 2018-07-26 | 2018-12-11 | 山东大学 | A kind of coke breeze absorption VOCs method of evaluating performance and system based on air flow bed |
| CN208459366U (en) * | 2018-08-07 | 2019-02-01 | 内蒙古双欣环保材料股份有限公司 | A kind of activated carbon adsorption Sulfur capacity experimental provision |
| CN110261501A (en) * | 2019-06-01 | 2019-09-20 | 聊城煤泗新材料科技有限公司 | A kind of on-line analysis measuring acticarbon adsorption efficiency |
| CN110514545A (en) * | 2019-09-20 | 2019-11-29 | 中触媒新材料股份有限公司 | A kind of pyridine base-synthesized fluidized bed catalyst evaluation device and method |
| CN210874832U (en) * | 2019-09-10 | 2020-06-30 | 大连海事大学 | Flue gas denitration experimental system of low temperature plasma with active carbon |
| CN112881607A (en) * | 2021-01-19 | 2021-06-01 | 四川大学 | Multifunctional desulfurization and denitrification test system and application method thereof |
-
2022
- 2022-11-17 CN CN202211440217.5A patent/CN115754146B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010103392A1 (en) * | 2009-03-12 | 2010-09-16 | Alstom Technology Ltd | Flue gas treatment system and the method using amonia solution |
| CN103983748A (en) * | 2014-06-05 | 2014-08-13 | 北京国电清新环保技术股份有限公司 | Method and device for testing active coke desulfurization and denitration performance characterization |
| CN105510532A (en) * | 2015-12-16 | 2016-04-20 | 河北省电力建设调整试验所 | Denitration catalytic performance evaluation system and method |
| CN205826586U (en) * | 2016-03-08 | 2016-12-21 | 中国科学院过程工程研究所 | A kind of continuity method measures the automation equipment of activated coke sulfur dioxide capacity |
| CN106969999A (en) * | 2017-02-22 | 2017-07-21 | 清华大学 | A kind of true High Pressure Absorption kinetic test device and method of adsorbent |
| CN108982281A (en) * | 2018-07-26 | 2018-12-11 | 山东大学 | A kind of coke breeze absorption VOCs method of evaluating performance and system based on air flow bed |
| CN208459366U (en) * | 2018-08-07 | 2019-02-01 | 内蒙古双欣环保材料股份有限公司 | A kind of activated carbon adsorption Sulfur capacity experimental provision |
| CN110261501A (en) * | 2019-06-01 | 2019-09-20 | 聊城煤泗新材料科技有限公司 | A kind of on-line analysis measuring acticarbon adsorption efficiency |
| CN210874832U (en) * | 2019-09-10 | 2020-06-30 | 大连海事大学 | Flue gas denitration experimental system of low temperature plasma with active carbon |
| CN110514545A (en) * | 2019-09-20 | 2019-11-29 | 中触媒新材料股份有限公司 | A kind of pyridine base-synthesized fluidized bed catalyst evaluation device and method |
| CN112881607A (en) * | 2021-01-19 | 2021-06-01 | 四川大学 | Multifunctional desulfurization and denitrification test system and application method thereof |
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