CN211946281U - Nitrogen and oxygen generating device and thermal power plant catalyst reaction performance detection device - Google Patents
Nitrogen and oxygen generating device and thermal power plant catalyst reaction performance detection device Download PDFInfo
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- CN211946281U CN211946281U CN201922367015.2U CN201922367015U CN211946281U CN 211946281 U CN211946281 U CN 211946281U CN 201922367015 U CN201922367015 U CN 201922367015U CN 211946281 U CN211946281 U CN 211946281U
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Abstract
The utility model relates to a SCR flue gas denitration technical field especially relates to a nitrogen gas and oxygen generating device and catalyst reaction performance detection device of thermal power plant. The utility model discloses a nitrogen and oxygen generating device, in the device, when a flow regulating valve is closed, molecular sieve in an adsorption tower separates oxygen to obtain pure nitrogen; and opening the flow regulating valve, and regulating the concentration of the nitrogen and the oxygen by regulating the opening of the flow regulating valve to obtain the required concentration of the nitrogen and the oxygen. The device can directly replace the nitrogen and oxygen of purchase, has reduced the experimental cost of catalyst activity test, has reduced the mixed step of pure nitrogen gas and pure oxygen moreover, and convenient operation is swift.
Description
Technical Field
The utility model relates to a SCR flue gas denitration technical field especially relates to a nitrogen gas and oxygen generating device and catalyst reaction performance detection device of thermal power plant.
Background
At present, an important technical means for realizing the ultralow emission of NOx in a thermal power plant is to adopt a Selective Catalytic Reduction (SCR) denitration technology. SCR flue gas denitration catalyst in catalysis of NH3Reduction of NOXWhen this happens, the catalyst may also cause a series of side reactions to occur, including the generation of SO2Oxidation to SO3，Hg0Oxidation to Hg2+. The catalyst is the core of the SCR flue gas denitration technology, and the performance of the catalyst is a main factor influencing the SCR denitration efficiency. Therefore, before the denitration catalyst is applied, the reaction performance of the SCR catalyst needs to be accurately tested, including the denitration efficiency, the mercury simple substance oxidation, the sulfur dioxide oxidation and the like of the catalyst. In the performance test experiment, a nitrogen cylinder, an oxygen cylinder, a sulfur dioxide cylinder and the like are purchased to provide pure nitrogen, pure oxygen, pure sulfur dioxide and other gases to simulate smoke. When the catalyst reaction performance test is carried out, the test cost is high by purchasing nitrogen and oxygen because the consumption of flue gas such as nitrogen, oxygen and the like is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a nitrogen gas and oxygen generating device and catalyst reactivity of thermal power plant detection device has solved SCR denitration catalyst reactivity test, need purchase nitrogen gas and oxygen for the higher problem of experimental cost.
The specific technical scheme is as follows:
the utility model provides a nitrogen gas and oxygen generating device, include: the device comprises an air collecting unit, an adsorption tower, an oxygen control unit and an air storage tank;
a carbon molecular sieve is arranged in the adsorption tower;
the air collection unit is communicated with the air inlet end of the adsorption tower through a first one-way valve and a first switch valve which are sequentially arranged;
the gas outlet end of the adsorption tower is communicated with the gas storage tank through a second switch valve, and the oxygen control unit is arranged between the gas outlet end of the adsorption tower and the second switch valve;
the oxygen control unit includes: an exhaust pipe and a flow regulating valve;
the air inlet end of the exhaust pipe is communicated with the air outlet end of the adsorption tower through the flow regulating valve, and the air outlet end of the exhaust pipe is communicated with the atmosphere.
Preferably, the adsorption column includes: the first adsorption tower and the second adsorption tower are arranged in parallel.
Preferably, the air inlet end of the first adsorption tower is communicated with the air inlet end of the second adsorption tower through a third switch valve and a fourth switch valve which are arranged in parallel;
the third switch valve comprises a switch valve A and a switch valve B which are arranged in series, and the fourth switch valve comprises a switch valve C and a switch valve D which are arranged in series;
the air outlet end of the first switch valve is communicated with the switch valve C and the switch valve D;
an exhaust port is arranged between the switch valve A and the switch valve B.
Preferably, the gas outlet end of the first adsorption tower is communicated with the gas outlet end of the second adsorption tower through a fifth switch valve and a sixth switch valve which are arranged in parallel;
the fifth switch valve comprises a switch valve E and a switch valve F which are arranged in series, and the sixth switch valve comprises a switch valve G and a switch valve H which are arranged in series;
and the air inlet end of the exhaust pipe and the air inlet end of the second switch valve are communicated with the switch valve E and the switch valve F.
Preferably, the air collection unit includes: the air compressor, the first filter, the cold dryer, the second filter, the oil remover and the air buffer tank are sequentially communicated;
the air buffer tank is arranged at the air inlet end of the first one-way valve.
The utility model also provides a method that above-mentioned nitrogen gas and oxygen generating device generated nitrogen gas and oxygen, a serial communication port, including following step:
the air is collected to the air collecting unit, opens first check valve and first ooff valve in proper order and makes the air admission adsorption tower, opens the second ooff valve simultaneously to adjust flow control valve control the air admission the flow of adsorption tower makes nitrogen gas and the oxygen that the adsorption tower generated get into the gas holder from giving vent to anger the end.
The utility model also provides a device for detecting the reaction performance of the catalyst in the thermal power plant, which is characterized by comprising a flue gas generation unit, a flow measurement control unit, a temperature control unit, a multi-stage flue gas mixing unit and a catalytic reaction test unit which are sequentially communicated;
the smoke generating unit comprises: the nitrogen and oxygen generating device.
Preferably, the smoke generating unit further comprises: mercury generator, NO gas cylinder and SO2Gas cylinder, NH3A gas cylinder and a water vapor generator.
Preferably, the multi-stage flue gas mixing unit comprises at least two mixing units connected in sequence;
the mixing unit includes: the guide plate is fixed between the first fixing frame and the second fixing frame;
the guide plates are wavy, and the guide plates are arranged in a staggered mode side by side, so that wave crests of the adjacent guide plates are connected with wave troughs.
Preferably, the mercury generating device comprises a water bath device and a U-shaped pipe arranged in the water bath device, and the U-shaped pipe is internally provided with the mercury reagent.
According to the technical scheme, the utility model has the advantages of it is following:
the utility model provides a nitrogen gas and oxygen generating device, among the device, when flow control valve closed, molecular sieve in the adsorption tower separated oxygen, can obtain pure nitrogen gas. And opening the flow regulating valve, and regulating the concentration of the nitrogen and the oxygen by regulating the opening of the flow regulating valve to obtain the required concentration of the nitrogen and the oxygen. The device can directly replace the nitrogen and oxygen of purchase, has reduced the experimental cost of catalyst activity test, has reduced the mixed step of pure nitrogen gas and pure oxygen moreover, and convenient operation is swift.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic diagram of a nitrogen and oxygen generating apparatus according to an embodiment of the present invention;
fig. 2 is a front view of a multi-stage flue gas mixing unit provided in the embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic diagram of an apparatus for detecting the reaction performance of a catalyst in a thermal power plant according to an embodiment of the present invention;
wherein the illustration is as follows:
1. an air compressor; 2. a first filter; 3. a cold dryer; 4. a filter A; 5. a filter B; 6. an oil remover; 7. an air buffer tank; 8. a first adsorption tower; 9. a second adsorption column; 10. a first check valve; 11. A second one-way valve; 13. a first on-off valve; 14. a second on-off valve; 15. an on-off valve A; 16. an on-off valve B; 17. an on-off valve C; 18. an on-off valve D; 19. an on-off valve E; 20. an on-off valve F; 21. an on-off valve G; 22. an on-off valve H; 23. a gas storage tank; 24. an oxygen control unit; 25. a baffle; 26. A first fixed frame; 27. a second fixed frame.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described in detail and clearly, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to the drawings, which illustrate a nitrogen and oxygen generator according to an embodiment of the present invention.
The utility model provides a nitrogen gas and oxygen generating device, include: an air collection unit, an adsorption tower, an oxygen control unit 24, and a gas storage tank 23.
In the embodiment of the utility model, the air collecting unit is used for collecting air; the adsorption tower is internally provided with a carbon molecular sieve for removing oxygen in the air to obtain nitrogen with certain purity; the oxygen control unit 24 is used for controlling the flow of air in the adsorption tower, so as to control the proportion of nitrogen and oxygen generated by the adsorption tower; the gas tank 23 is used for storing nitrogen and oxygen generated by the adsorption tower.
The air collection unit is communicated with the air inlet end of the adsorption tower through a first one-way valve 10 and a first switch valve 13 which are sequentially arranged.
The gas outlet end of the adsorption tower is communicated with the gas storage tank 23 through the second switch valve 14, and the oxygen control unit 24 is arranged between the gas outlet end of the adsorption tower and the second switch valve 14.
The oxygen control unit 24 includes an exhaust pipe and a flow rate adjustment valve. The air inlet end of the exhaust pipe is communicated with the air outlet end of the adsorption tower through a flow regulating valve, and the air outlet end of the exhaust pipe is communicated with the atmosphere.
The embodiment of the utility model provides an in, when flow control valve closed, the adsorption tower can generate pure nitrogen gas, and flow control valve opens, and the partial gas in the adsorption tower flows out from the blast pipe, and the angle that opens along with flow control valve is big more, and the gas in the adsorption tower in the unit interval increases, because the volume of molecular sieve separation oxygen is certain in the unit interval, so the content of the oxygen that the adsorption tower generated increases thereupon, and nitrogen content reduces thereupon.
The embodiment of the utility model provides an in, oxygen control unit 24 still includes oxygen volume survey device, and oxygen volume survey device sets up in the exhaust pipe, adjusts flow control valve's aperture in a flexible way through the oxygen content that detects gas in the exhaust pipe. The oxygen measuring device is specifically an oxygen meter, and is commercially available.
The embodiment of the utility model provides a nitrogen gas and oxygen generating device can adjust the concentration that the adsorption tower generated oxygen and nitrogen gas through control oxygen the control unit 24, obtains the content of required oxygen and nitrogen gas, compares in directly purchasing nitrogen gas and oxygen or can only make the nitrogen system device of nitrogen gas and can obviously reduce test cost.
Further, in order to accelerate the generation of nitrogen gas and oxygen, the embodiment of the utility model provides an adsorption tower includes: the first adsorption tower 8 and the second adsorption tower 9 are arranged in parallel, and the two adsorption towers can work simultaneously or can be switched to work mutually.
Further, when the two adsorption towers work in a switching mode, the air inlet end of the first adsorption tower 8 is communicated with the air inlet end of the second adsorption tower 9 through a third switch valve and a fourth switch valve which are arranged in parallel; the third switch valve comprises a switch valve A15 and a switch valve B16 which are arranged in series, and the fourth switch valve comprises a switch valve C17 and a switch valve D18 which are arranged in series; the air outlet end of the first switch valve 13 is communicated with a switch valve C17 and a switch valve D18; an exhaust port is provided between the on-off valve a 15 and the on-off valve B16.
The embodiment of the utility model provides an in, first absorption tower 8 during operation opens switch valve C17, closes switch valve A15, switch valve B16, switch valve D18, and gas gets into first absorption tower 8. The second adsorption tower 9 operates in the same manner. After the first adsorption tower 8 and the second adsorption tower 9 are operated, the on-off valve a 15 and the on-off valve B16 may be opened to empty the gas in the first adsorption tower 8 and the second adsorption tower 9, respectively.
Further, in order to prevent the gas in the first adsorption tower 8 from entering the second adsorption tower 9 when the first adsorption tower 8 works, in the embodiment of the present invention, the gas outlet end of the first adsorption tower 8 is communicated with the gas outlet end of the second adsorption tower 9 through a fifth switch valve and a sixth switch valve which are arranged in parallel; the fifth switching valve comprises a switching valve E19 and a switching valve F20 which are arranged in series, and the sixth switching valve comprises a switching valve G21 and a switching valve H22 which are arranged in series; the intake end of the exhaust pipe, the intake end of the second on-off valve 14 are both in communication with the on-off valve E19 and the on-off valve F20.
The embodiment of the utility model provides an in, first adsorption tower 8 during operation opens switch valve C17 and ooff valve B16, closes switch valve A15 and ooff valve D18, opens switch valve E19, closes ooff valve F20, ooff valve G21 and ooff valve H22, and gas gets into first adsorption tower 8, and the gas that has adsorbed in the second adsorption tower 9 passes through the gas vent and empties. After the first adsorption tower 8 finishes the adsorption, the adsorption tower is switched to a second adsorption tower 9 for adsorption by adopting the same method, and the first adsorption tower 8 empties the gas.
Further, the air collection unit includes: the air compressor 1, the first filter 2, the cold dryer 3, the second filter, the oil remover 6 and the air buffer tank 7 are sequentially communicated, and the air buffer tank 7 is arranged at the air inlet end of the first one-way valve 10.
The embodiment of the utility model provides an in, the air admission air compressor machine is compressed in 1, then filters particulate matter through first filter 2, reduces compressed air's temperature through cold dry machine 3, further filters particulate matter through the second filter after again, detaches compressed air's oily material, gets into air buffer tank 7 at last.
In an embodiment of the present invention, the second filter preferably comprises a filter A4 and a filter B5 arranged in series, and the arrangement of the two filters further purifies the air.
The utility model also provides a concrete embodiment of the method for generating nitrogen and oxygen by utilizing the nitrogen and oxygen generating device.
In an embodiment of the present invention, the method for generating nitrogen and oxygen includes the following steps:
the air collection unit collects air, opens the first check valve 10 and the first switch valve 13 in sequence to make the air enter the adsorption tower, opens the second switch valve 14 simultaneously, and adjusts the flow control valve to control the flow of the air entering the adsorption tower, so that the nitrogen and oxygen generated by the adsorption tower enter the air storage tank 23 from the air outlet end.
Further, the method specifically comprises the following steps: air is compressed, dehumidified and deoiled by the air compressor 1, the first filter 2, the cold dryer 3, the second filter and the deoiler 6 in sequence and then enters the air buffer tank 7, then the first one-way valve 10 and the first switch valve 13 are opened, the switch valve C17 and the switch valve B16 are opened, the switch valve A15 and the switch valve D18 are closed, the switch valve E19 is opened, the switch valve F20, the switch valve G21 and the switch valve H22 are closed, the second switch valve 14 is opened, the flow control valve is adjusted, after the air enters the first adsorption tower 8, a part of the air coming out of the outlet end of the first adsorption tower 8 is discharged through the exhaust pipe, and the other part of the air enters the air storage tank 23 through the second switch valve 14.
The utility model also provides a concrete embodiment of the device that thermal power plant's catalyst reactivity detected. Referring to fig. 4, an embodiment of the present invention provides a schematic diagram of an apparatus for detecting a catalyst reaction performance of a thermal power plant.
In the embodiment of the utility model, the device for detecting the reaction performance of the catalyst in the thermal power plant comprises a flue gas generation unit, a flow measurement control unit, a temperature control unit, a multi-stage flue gas mixing unit and a catalytic reaction test unit which are sequentially communicated;
the flue gas generating unit comprises: the nitrogen and oxygen generating apparatus in the above embodiments.
The embodiment of the utility model provides an in, flow measurement the control unit is arranged in controlling all kinds of flue gas entering temperature control unit's flow in the flue gas generating unit. The flow measurement control unit comprises a mass flow meter and a regulating valve.
The temperature control unit is used for controlling the temperature of the mixed flue gas. The temperature regulating unit comprises a digital display regulator and a silicon controlled voltage regulator so as to heat the flue gas to the required temperature.
The multi-stage flue gas mixing unit is used for fully mixing various flue gases, and the catalytic reaction testing unit is used for testing the reaction performance of the catalyst. And the air outlet end of the multi-stage flue gas mixing unit is connected with the catalytic reaction testing unit by a flange.
The catalytic reaction test unit comprises a flue gas main pipeline, 4 catalyst reactors, a temperature sensor and a valve. The 4 catalyst reactors are divided into two groups, 2 reactors in each group are arranged in series, and the two groups are arranged in parallel. The inlet and outlet of each reactor are provided with a valve and a corresponding flue gas pipeline. The flue gas firstly enters a flue gas main pipeline after passing through the diffusion mixing unit, and then can enter any group of catalyst reactors through the opening and closing of corresponding valves. Sampling holes are arranged at the inlet and the outlet of the catalyst reactor, and the content of each smoke component and the content of each outlet can be respectively measured by using measuring equipment, so that each reaction performance of the catalyst is calculated.
The embodiment of the utility model provides an in, nitrogen gas and oxygen generating device communicate with flow measurement the control unit through second check valve 11.
The embodiment of the utility model provides an in, the setting and the connected mode of each structure are prior art among flow measurement the control unit, temperature control unit and the catalytic reaction test unit, and the here is not repeated.
Further, the smoke generating unit further comprises: mercury generator, NO gas cylinder and SO2Gas cylinder, NH3A gas cylinder and a water vapor generator.
In the embodiment of the utility model, mercury generating device, NO gas cylinder, SO2Gas cylinder, NH3The gas cylinder and the steam generator are respectively connected with a mass flow meter and a regulating valve for controlling the flow of different flue gases, thereby configuring the required flue gas components. And all the prepared flue gas enters the temperature control unit.
Further, the mercury generating device comprises a water bath device and a U-shaped pipe arranged in the water bath device, wherein a mercury reagent is arranged in the U-shaped pipe, and mercury vapor is generated after heating.
Further, please refer to fig. 2, a front view of the multi-stage flue gas mixing unit according to the embodiment of the present invention.
Referring to fig. 3, a cross-sectional view of the multi-stage flue gas mixing unit a is shown.
In order to better simulate the real SCR flue gas denitration environment, various flue gases are fully mixed. The embodiment of the utility model provides a multistage flue gas mixing unit includes at least two mixing units that connect gradually; the mixing unit includes: the air deflector 25, the first fixed frame 26 and the second fixed frame 27, the air deflector 25 is fixed between the first fixed frame 26 and the second fixed frame 27; the guide plates 25 are wavy, and the guide plates 25 are arranged side by side in a staggered manner, so that the wave crests of the adjacent guide plates 25 are connected with the wave troughs.
The embodiment of the utility model provides an in, the crest of adjacent guide plate 25 is the welding with the connected mode of trough, the fixed welded fastening that passes through of the fixed frame 27 of guide plate 25 and first fixed frame 26 and second.
The embodiment of the utility model provides an in, the quantity of mixing the unit is three, and three mixing unit passes through the dead lever to be connected, specifically, and the both ends of dead lever are fixed respectively on the angle of the fixed frame 27 of second of first mixing unit and the angle of the fixed frame 26 of first of second mixing unit, and the quantity of dead lever is the same with the quantity of the fixed frame 27 of first fixed frame 26 or second.
As shown in the drawings, the first fixed frame 26 is identical to the second fixed frame 27 and has a rectangular shape, and a plurality of fixed bars are arranged in parallel.
The embodiment of the utility model provides an in, the torrent diffusion of flue gas through tertiary mixing unit can make each component of flue gas obtain abundant mixture, promotes the degree of accuracy of test by a wide margin.
Further, in order to avoid the flue gas pollution environment that catalytic reaction test unit has tested, the embodiment of the utility model provides an in, the device that thermal power plant's catalyst reactivity detected still includes the gas cleaning device with catalytic reaction test unit's gas outlet intercommunication, is provided with activated carbon in the gas cleaning device for adsorb harmful substance.
Furthermore, the water outlet of the flue gas purification device is also provided with an induced draft fan, so that the flue gas can be accelerated to be rapidly discharged into the atmosphere.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A nitrogen and oxygen generating apparatus, comprising: the device comprises an air collecting unit, an adsorption tower, an oxygen control unit and an air storage tank;
a carbon molecular sieve is arranged in the adsorption tower;
the air collection unit is communicated with the air inlet end of the adsorption tower through a first one-way valve and a first switch valve which are sequentially arranged;
the gas outlet end of the adsorption tower is communicated with the gas storage tank through a second switch valve, and the oxygen control unit is arranged between the gas outlet end of the adsorption tower and the second switch valve;
the oxygen control unit includes: an exhaust pipe and a flow regulating valve;
the air inlet end of the exhaust pipe is communicated with the air outlet end of the adsorption tower through the flow regulating valve, and the air outlet end of the exhaust pipe is communicated with the atmosphere.
2. The nitrogen and oxygen generation device of claim 1, wherein the adsorption column comprises: the first adsorption tower and the second adsorption tower are arranged in parallel.
3. The nitrogen and oxygen generation device according to claim 2, wherein the gas inlet end of the first adsorption tower is communicated with the gas inlet end of the second adsorption tower through a third switch valve and a fourth switch valve which are arranged in parallel;
the third switch valve comprises a switch valve A and a switch valve B which are arranged in series, and the fourth switch valve comprises a switch valve C and a switch valve D which are arranged in series;
the air outlet end of the first switch valve is communicated with the switch valve C and the switch valve D;
an exhaust port is arranged between the switch valve A and the switch valve B.
4. The nitrogen and oxygen generation device according to claim 3, wherein the gas outlet end of the first adsorption tower is communicated with the gas outlet end of the second adsorption tower through a fifth switch valve and a sixth switch valve which are arranged in parallel;
the fifth switch valve comprises a switch valve E and a switch valve F which are arranged in series, and the sixth switch valve comprises a switch valve G and a switch valve H which are arranged in series;
and the air inlet end of the exhaust pipe and the air inlet end of the second switch valve are communicated with the switch valve E and the switch valve F.
5. The nitrogen and oxygen generating apparatus according to claim 1, wherein the air collecting unit comprises: the air compressor, the first filter, the cold dryer, the second filter, the oil remover and the air buffer tank are sequentially communicated;
the air buffer tank is arranged at the air inlet end of the first one-way valve.
6. A device for detecting the reaction performance of a catalyst in a thermal power plant is characterized by comprising a flue gas generation unit, a flow measurement control unit, a temperature control unit, a multi-stage flue gas mixing unit and a catalytic reaction test unit which are sequentially communicated;
the smoke generating unit comprises: a nitrogen and oxygen generating apparatus according to any one of claims 1 to 4.
7. The apparatus of claim 6, wherein the smoke generation unit further comprises: mercury generator, NO gas cylinder and SO2Gas cylinder, NH3A gas cylinder and a water vapor generator.
8. The apparatus of claim 7, wherein the multi-stage flue gas mixing unit comprises at least two mixing units connected in series;
the mixing unit includes: the guide plate is fixed between the first fixing frame and the second fixing frame;
the guide plates are wavy, and the guide plates are arranged in a staggered mode side by side, so that wave crests of the adjacent guide plates are connected with wave troughs.
9. The apparatus of claim 7, wherein the number of mixing units is 3.
10. The device of claim 7, wherein the mercury generating device comprises a water bath device and a U-shaped tube arranged in the water bath device, and the U-shaped tube is internally provided with a mercury reagent.
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| CN201922367015.2U CN211946281U (en) | 2019-12-25 | 2019-12-25 | Nitrogen and oxygen generating device and thermal power plant catalyst reaction performance detection device |
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| CN201922367015.2U CN211946281U (en) | 2019-12-25 | 2019-12-25 | Nitrogen and oxygen generating device and thermal power plant catalyst reaction performance detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980661A (en) * | 2019-12-25 | 2020-04-10 | 广东电网有限责任公司电力科学研究院 | Nitrogen and oxygen generating device and thermal power plant catalyst reaction performance detection device |
| CN115646516A (en) * | 2022-08-15 | 2023-01-31 | 湖南省天心博力科技有限公司 | Preparation method of phosphorus-copper alloy cocatalyst |
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2019
- 2019-12-25 CN CN201922367015.2U patent/CN211946281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980661A (en) * | 2019-12-25 | 2020-04-10 | 广东电网有限责任公司电力科学研究院 | Nitrogen and oxygen generating device and thermal power plant catalyst reaction performance detection device |
| CN115646516A (en) * | 2022-08-15 | 2023-01-31 | 湖南省天心博力科技有限公司 | Preparation method of phosphorus-copper alloy cocatalyst |
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