CN204008584U - Denitrating catalyst demercuration performance testing device - Google Patents
Denitrating catalyst demercuration performance testing device Download PDFInfo
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- CN204008584U CN204008584U CN201420289010.7U CN201420289010U CN204008584U CN 204008584 U CN204008584 U CN 204008584U CN 201420289010 U CN201420289010 U CN 201420289010U CN 204008584 U CN204008584 U CN 204008584U
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Abstract
The utility model discloses a kind of denitrating catalyst demercuration performance testing device, comprising: gas generator, produces nitrogen, oxides of nitrogen and mercury vapour; Air distributing device, connects gas generator, and mixed gas is to generate simulated flue gas; Humidification/dehumidifier, connects air distributing device, and simulated flue gas is carried out to pre-service; Heat interchanger, connects humidification/dehumidifier, and simulated flue gas is carried out to heat exchange; Well heater, connects heat interchanger, and simulated flue gas is heated; Laboratory sample groove, connects well heater and heat interchanger, and the simulated flue gas that receives well heater output carries out demercuration processing, and gas after treatment is sent to heat interchanger heating simulated flue gas; Cooling device, connects heat interchanger, the processing of lowering the temperature of the tail gas after heat exchanging; Adsorption tanks, connect cooling device, and the tail gas after cooling is carried out to adsorption treatment; Surge flask, connects adsorption tanks, the tail gas after collection and treatment.This apparatus structure is simple, and demercuration test is accurate and effective, for the new situation has been opened up in the development of gas demercuration.
Description
Technical field
The utility model relates to gas processing technical field of measurement and test, particularly relates to a kind of denitrating catalyst demercuration performance testing device.
Background technology
The industry that mercury in China disposal of pollutants relates to is mainly coal-fired and non-ferrous metal metallurgy industry, is secondly manufacture of cement industry, mixed mercury extracting gold industry and waste incineration industry, and industry gap is large.Simultaneously, different from developed country, the energy of China is mainly taking coal as main, in the current and following regular period, will mainly be devoted to traditional pollutant controls such as coal-fired particle, sulphuric dioxide and the oxides of nitrogen producing, and mercury control technology is still immature at present, operating cost is higher, carries out on a large scale mercury control and do not meet China's actual conditions within compared with short-term.For mercury pollution emission control, China needs the relatively low technology of expense.Current research, for from economic aspect balance regulation effect and Pollution Treatment Investment the contradiction research between limited not enough.Searching can be controlled the method for mercury contaminants discharge cost-effectively, and finally realize the emission control to various pollutants in fume, just must be from coal-burning power plant of China the reality of existing various pollution control equipments and technology, further investigation is discharged influential various factors to mercury contaminants, on the basis of existing pollution control equipment and technology, develop the method that is applicable to China's flue gas multiple pollutant Collaborative Control.
The denitration technology of current domestic employing has mainly comprised selection non-catalytic reduction (SNCR), the technique of SCR (SCR) and SNCR, SCR combination.SCR has very high denitration efficiency (70-90%), and it is ripe denitrating technique, is the most widely used technology of denitration.How evaluating the demercuration efficiency of existing SCR denitrating catalyst in actual motion, is an important problem.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is based on deficiency of the prior art, provides a kind of gas demercuration out of stock proving installation.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of denitrating catalyst demercuration performance testing device, and it comprises: gas generator, produces nitrogen, oxides of nitrogen and mercury vapour; Air distributing device, connects gas generator, and mixed gas is to generate simulated flue gas; Humidification/dehumidifier, connects air distributing device, and simulated flue gas is carried out to pre-service; Heat interchanger, connects humidification/dehumidifier, and simulated flue gas is carried out to heat exchange; Well heater, connects heat interchanger, and simulated flue gas is heated; Laboratory sample groove, connects well heater and heat interchanger, receives the simulated flue gas of well heater output, and simulated flue gas is carried out to demercuration processing, and temperature more than gas after treatment denitration demercuration is sent to heat interchanger heating simulated flue gas; Cooling device, connects heat interchanger, the processing of lowering the temperature of the tail gas after heat exchanging; Adsorption tanks, connect cooling device, and the tail gas after cooling is carried out to adsorption treatment; Surge flask, connects adsorption tanks, the tail gas after collection and treatment.
Preferably, also comprise on-line detector, the connecting line between connecting line, cooling device and adsorption tanks between connecting line, laboratory sample groove and heat interchanger between connecting line, well heater and laboratory sample groove between connecting line, humidification/dehumidifier and heat interchanger between on-line detector connection gas generator and air distributing device and the connecting line between adsorption tanks and surge tank.
Preferably, the exhausr port of described surge flask connects vacuum pump, described vacuum pump connection traffic meter.
Preferably, between described air distributing device and described humidification/dehumidifier, be provided with flowmeter.
Preferably, also comprise vent cabinet, described gas generator, air distributing device, humidification/dehumidifier, heat interchanger, well heater, laboratory sample groove, cooling device, adsorption tanks and surge flask are set in vent cabinet.
Preferably, described vent cabinet connection control system and PLC display system.
(3) beneficial effect
Technique scheme tool has the following advantages: arrange by simple structure, accurate and effective carry out demercuration test, for new situation has been opened up in the development of gas demercuration technology.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment denitrating catalyst demercuration performance testing device.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
In order to solve the test containing demercuration performance in mercury gas in prior art, the utility model provides a kind of denitrating catalyst demercuration performance testing device, it comprises vent cabinet and the control system being connected with vent cabinet and PLC (Programmable Logic Controller, programmable logic controller (PLC)) display system, each test component is set in vent cabinet, for the demercuration performance of denitrating catalyst is tested, each test component that control system and PLC display system arrange for controlling debugging vent cabinet, to reach the needs of test.
Particularly, shown in Fig. 1, the each parts that arrange in vent cabinet are as follows respectively:
Gas generator, produces nitrogen, oxides of nitrogen and mercury vapour, as mercurous sample gas;
Air distributing device, connects gas generator, and nitrogen, oxides of nitrogen and mercury vapour are mixed, and mixed gas is to generate simulated flue gas;
Humidification/dehumidifier, connects air distributing device, and mixed gas is carried out to humidification or dehumidifying pre-service, makes it meet humidity needs; On connecting line between humidification/dehumidifier and air distributing device, be provided with flowmeter, to monitor the combination gas scale of construction of air distributing device output;
Heat interchanger, connects humidification/dehumidifier, and dehumidifying or humidification gas after treatment are carried out to exchange heat; On connecting line between humidification/dehumidifier and heat interchanger, be provided with temperature test instrument, pressure test instrument and humidity measurement instrument, enter every physical parameter of the gas of heat interchanger with Real-Time Monitoring;
Well heater, connects described heat interchanger, with to further heating via heat exchange gas after treatment; On connecting line between well heater and heat interchanger, be provided with temperature test instrument, pressure test instrument and humidity measurement instrument, enter every physical parameter of the gas of well heater with Real-Time Monitoring;
Laboratory sample groove, connects well heater and heat interchanger, receives the simulated flue gas of well heater output, and simulated flue gas is carried out to demercuration processing, and temperature more than gas after treatment denitration demercuration is sent to heat interchanger heating simulated flue gas;
Cooling device, connects heat interchanger, the processing of lowering the temperature of the tail gas after heat exchanging; On connecting line between cooling device and above-mentioned heating radiator, be provided with temperature test instrument, pressure test instrument, enter every physical parameter of the gas of cooling device with Real-Time Monitoring;
Adsorption tanks, connect cooling device, and adsorption tanks are absorbent charcoal adsorption tank, and the tail gas after cooling is carried out to adsorption treatment; On connecting line between absorbent charcoal adsorption tank and cooling device, be provided with temperature test instrument, pressure test instrument, enter every physical parameter of the gas of absorbent charcoal adsorption tank with Real-Time Monitoring;
On-line detector, connecting line between connecting line, cooling device and adsorption tanks between connecting line, laboratory sample groove and heat interchanger between connecting line, well heater and laboratory sample groove between connecting line, humidification/dehumidifier and heat interchanger between connection gas generator and air distributing device and the connecting line between adsorption tanks and surge tank, carry out safety detection to the gas composition concentration of each position;
Surge flask, connects adsorption tanks, the tail gas after collection and treatment.
Vacuum pump, connects surge flask and flowmeter, vacuumizes processing.
The course of work of above-mentioned denitrating catalyst demercuration performance testing device is, produce nitrogen, oxides of nitrogen and mercuryvapour by gas generator, then enter air distributing device, mixed gas is just used as simulated flue gas and is entered humidification/dehumidifying, heat exchange/heating link, after enter laboratory sample groove, mixed gas after treatment is through heat interchanger, cooling device, adsorption tanks, and tail gas enters surge tank.
As can be seen from the above embodiments, the utility model designs and builds denitrating catalyst demercuration performance testing device, utilize this device to carry out the demercuration efficiency evaluation of denitrating catalyst, filter out the catalyzer that demercuration efficiency is higher, establish the balancing method of catalyzer mercury removal efficiency, consider specific surface area, physical strength, Pressure Drop, thermal stability, deformation extent, the price of catalyst support (sample) or particulate catalytic agent carrier (sample); Arrange by simple structure, accurate and effective carry out demercuration test, for new situation has been opened up in the development of gas demercuration technology.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (6)
1. a denitrating catalyst demercuration performance testing device, is characterized in that, comprising: gas generator, produces nitrogen, oxides of nitrogen and mercury vapour; Air distributing device, connects gas generator, and mixed gas is to generate simulated flue gas; Humidification/dehumidifier, connects air distributing device, and simulated flue gas is carried out to pre-service; Heat interchanger, connects humidification/dehumidifier, and simulated flue gas is carried out to heat exchange; Well heater, connects heat interchanger, and simulated flue gas is heated; Laboratory sample groove, connects well heater and heat interchanger, receives the simulated flue gas of well heater output, and simulated flue gas is carried out to demercuration processing, and temperature more than gas after treatment denitration demercuration is sent to heat interchanger heating simulated flue gas; Cooling device, connects heat interchanger, the processing of lowering the temperature of the tail gas after heat exchanging; Adsorption tanks, connect cooling device, and the tail gas after cooling is carried out to adsorption treatment; Surge flask, connects adsorption tanks, the tail gas after collection and treatment.
2. denitrating catalyst demercuration performance testing device as claimed in claim 1, it is characterized in that, also comprise on-line detector, the connecting line between connecting line, cooling device and adsorption tanks between connecting line, laboratory sample groove and heat interchanger between connecting line, well heater and laboratory sample groove between connecting line, humidification/dehumidifier and heat interchanger between on-line detector connection gas generator and air distributing device and the connecting line between adsorption tanks and surge tank.
3. denitrating catalyst demercuration performance testing device as claimed in claim 1, is characterized in that, the exhausr port of described surge flask connects vacuum pump, described vacuum pump connection traffic meter.
4. denitrating catalyst demercuration performance testing device as claimed in claim 1, is characterized in that, between described air distributing device and described humidification/dehumidifier, is provided with flowmeter.
5. denitrating catalyst demercuration performance testing device as claimed in claim 1, it is characterized in that, also comprise vent cabinet, described gas generator, air distributing device, humidification/dehumidifier, heat interchanger, well heater, laboratory sample groove, cooling device, adsorption tanks and surge flask are set in vent cabinet.
6. denitrating catalyst demercuration performance testing device as claimed in claim 5, is characterized in that, described vent cabinet connection control system and PLC display system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289010.7U CN204008584U (en) | 2014-05-30 | 2014-05-30 | Denitrating catalyst demercuration performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420289010.7U CN204008584U (en) | 2014-05-30 | 2014-05-30 | Denitrating catalyst demercuration performance testing device |
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| CN204008584U true CN204008584U (en) | 2014-12-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614222A (en) * | 2015-01-27 | 2015-05-13 | 国家电网公司 | Ammonia measurement device for denitration of flue gas pipeline |
| CN104677770A (en) * | 2015-02-07 | 2015-06-03 | 同济大学 | Adsorbing material performance testing device and using method thereof |
| CN105467063A (en) * | 2016-01-18 | 2016-04-06 | 中国工程物理研究院材料研究所 | Test device for detecting comprehensive performance of denitration catalyst and application method thereof |
| 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 |
| CN105548456A (en) * | 2015-12-15 | 2016-05-04 | 北京雪迪龙科技股份有限公司 | Mercury catalyst conversion efficiency detection method and device |
-
2014
- 2014-05-30 CN CN201420289010.7U patent/CN204008584U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614222A (en) * | 2015-01-27 | 2015-05-13 | 国家电网公司 | Ammonia measurement device for denitration of flue gas pipeline |
| CN104614222B (en) * | 2015-01-27 | 2017-03-22 | 国家电网公司 | Ammonia measurement device for denitration of flue gas pipeline |
| CN104677770A (en) * | 2015-02-07 | 2015-06-03 | 同济大学 | Adsorbing material performance testing device and using method thereof |
| CN105548456A (en) * | 2015-12-15 | 2016-05-04 | 北京雪迪龙科技股份有限公司 | Mercury catalyst conversion efficiency detection method and device |
| 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 |
| CN105467063A (en) * | 2016-01-18 | 2016-04-06 | 中国工程物理研究院材料研究所 | Test device for detecting comprehensive performance of denitration catalyst and application method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180530 |