CN204065045U - Denitration demercuration catalyst activity assessment device - Google Patents
Denitration demercuration catalyst activity assessment device Download PDFInfo
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- CN204065045U CN204065045U CN201420504042.4U CN201420504042U CN204065045U CN 204065045 U CN204065045 U CN 204065045U CN 201420504042 U CN201420504042 U CN 201420504042U CN 204065045 U CN204065045 U CN 204065045U
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- gas tank
- outlet
- blender
- preheating
- absorption plant
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Abstract
A kind of denitration demercuration catalyst activity assessment device, comprise air supply system, reactive system and detection system, described air supply system comprises N
2gas tank, O
2gas tank, SO
2gas tank, NO gas tank, NH
3gas tank, HCl gas tank, mercury vapour vaporising device, water feed apparatus and preheating blender, described reactive system comprises heating furnace and catalytic reactor, described detection system comprises a multifunctional examining measurement equipment, the air intake opening of described multifunctional examining measurement equipment is connected to another outlet pipe of described preheating blender and the outlet conduit of catalytic reactor by switch, is also provided with exhaust treatment system; Thus, the utility model structure is simple, reasonable in design, can carry out on-the-spot circumstance preferably, can evaluate the activity of the denitration demercuration catalyzer prepared quickly and easily, and accuracy be high; Exhaust treatment system is perfect, has good treatment effect, effectively can avoid the pollution to atmospheric environment to the complicated gas after detecting.
Description
Technical field
The utility model relates to the technical field of Air Pollution Control, is specifically related to a kind of denitration demercuration catalyst activity assessment device.
Background technology
2011; Environmental Protection Department and State Administration for Quality Supervision and Inspection and Quarantine combine in " fossil-fuel power plant atmospheric pollutant emission standard " (the GB 13223-2011) having issued new revision, require that the thermal power generation nitrogen oxides from coal-fired boiler of China key area and the limit discharge capacity of mercury and mercuric compounds are respectively 100mg/m
3and 0.03mg/m
3.Because emission standard becomes all the more strict, the technological process of smoke gas treatment is becoming complicated and tediously long, the series of measures such as dedusting, desulfurization, denitrogenation, demercuration and greenhouse-gas control make many enterprises hang back, once large with muptiple-use investment, operating cost is high, therefore flue gas multiple pollutant govern coordinately technology fast development.
At present, the research and development of domestic and international multiple flue gas pollutant associating removing sulfuldioxide mainly concentrate on combined desulfurization and denitration demercuration aspect, technical research the coming into the market application stage of desulphurization denitration, but the research and development of denitration demercuration catalyzer also rest on pilot scale or demonstration projects stage.But current domestic existing assessment device is mostly denitration or the single assessment device of demercuration, lack the assessment device simultaneously detecting denitration demercuration activity, the research and development of the associating removing sulfuldioxide making oxides of nitrogen and mercury are received severely restricts by this.
For this reason, deviser of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of denitration demercuration catalyst activity assessment device, to overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of denitration demercuration catalyst activity assessment device, and its economize energy, environment protection health, structure are simple, can effectively evaluate and test, and improves practicality.
For achieving the above object, the utility model discloses a kind of denitration demercuration catalyst activity assessment device, comprise air supply system, reactive system and detection system, it is characterized in that:
Described air supply system comprises N
2gas tank, O
2gas tank, SO
2gas tank, NO gas tank, NH
3gas tank, HCl gas tank, mercury vapour vaporising device, water feed apparatus and preheating blender, described N
2gas tank outlet pipeline is connected to described mercury vapour vaporising device and preheating blender, described O
2gas tank, SO
2the outlet conduit of gas tank, NO gas tank is connected to preheating blender;
Described water feed apparatus comprises reserve tank and is connected to the volume pump of described reserve tank, and the outlet conduit of described volume pump is connected to the entrance of vaporization pipeline;
The entrance of described mercury vapour vaporising device is connected to described N by a switch
2gas tank outlet pipeline, the outlet of described mercury vapour vaporising device is connected to an entrance of described preheating blender by a retaining valve;
Described preheating blender is also provided with and is connected to described N
2gas tank, O
2gas tank, SO
2another entrance of gas tank and NO gas tank outlet pipeline;
Described preheating blender comprises body, rotating vane and drive unit, is provided with and holds the mixed space of described rotating vane in described body, described drive unit be arranged at described external and be connected to described rotating vane to drive rotating vane;
Described preheating blender comprises two outlet passageways, and wherein an outlet passageway is connected to reactive system, and another outlet pipe is connected to detection system;
Described reactive system comprises heating furnace and catalytic reactor, described heating furnace is coaxially arranged at the periphery of described catalytic reactor to heat catalytic reactor, and the entrance of described catalytic reactor is connected with wherein outlet pipe of described preheating blender, the outlet of described vaporization pipeline and NH
3the outlet conduit of gas tank and HCl gas tank, the outlet conduit of described catalytic reactor is connected to described detection system;
Described detection system comprises a multifunctional examining measurement equipment, and the air intake opening of described multifunctional examining measurement equipment is connected to another outlet pipe of described preheating blender and the outlet conduit of catalytic reactor by switch.
Wherein: the outer rim of described mercury vapour vaporising device is coated with heat-insulation layer.
Wherein: the coated heat-insulation layer of body outer rim of described preheating blender is to keep temperature.
Wherein: the inlet end of described preheating blender is provided with a heating arrangement.
Wherein: be also provided with exhaust treatment system, the outlet of described multifunctional examining measurement equipment is connected to described exhaust treatment system, and the entrance of described multifunctional examining measurement equipment is connected directly to exhaust treatment system by a switch.
Wherein: described exhaust treatment system comprises the first absorption plant, the second absorption plant, the 3rd absorption plant, O
2tank and absorbent charcoal adsorber, the air intake opening of described first absorption plant is connected with the outlet of described multifunctional examining measurement equipment and entrance, its gas outlet and O
2the gas outlet of tank is connected with the second absorption plant after converging, and described second absorption plant rear end sets gradually the 3rd absorption plant and absorbent charcoal adsorber.
Wherein: that described first absorption plant holds is KCl, Na
2s, K
2s or ammoniacal liquor, described second absorption plant holds KOH or NaOH solution, and the 3rd described absorption plant holds H
3pO
4, H
2sO
4or HCl solution.
Known by said structure, the beneficial effects of the utility model are as follows:
1, denitration demercuration catalyst activity evaluating apparatus structure of the present utility model is simple, reasonable in design, can carry out on-the-spot circumstance preferably, can evaluate the activity of the denitration demercuration catalyzer prepared quickly and easily, and accuracy be high;
2, exhaust treatment system is perfect, has good treatment effect, effectively can avoid the pollution to atmospheric environment to the complicated gas after detecting;
3, this apparatus multifunction checkout equipment independent design, the scope of detection is wide, and precision is high.
Detailed content of the present utility model obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the utility model denitration demercuration catalyst activity assessment device.
Reference numeral:
Air supply system I; Reactive system II; Detection system III; Exhaust treatment system IV; 1-switch; 2-mass flowmeter; 3-mercury vapour vaporising device; 4-heat-insulation layer; 5-retaining valve; 6-preheating blender; 7-heating arrangement; 8-thermal detector; 9-rotating vane; 10-drive unit; 11-reserve tank; 12-volume pump; 13-vaporizes pipeline; 14-attemperating unit; 15-heating furnace; 16-catalytic reactor; 17-multifunctional examining measurement equipment; 18-first absorption plant; 19-second absorption plant; 20-the 3rd absorption plant; 21-absorbent charcoal adsorber.
Embodiment
See Fig. 1, show denitration demercuration catalyst activity assessment device of the present utility model.
This active assessment device comprises air supply system I, reactive system II and detection system III.
Wherein, described air supply system I comprises N
2gas tank, O
2gas tank, SO
2gas tank, NO gas tank, NH
3gas tank, HCl gas tank, mercury vapour vaporising device 3, water feed apparatus and preheating blender 6, described N
2gas tank, O
2gas tank, SO
2gas tank, NO gas tank, NH
3the outlet conduit of gas tank and HCl gas tank is respectively equipped with switch 1 and mass flowmeter 2 and N
2gas tank outlet pipeline is connected to described mercury vapour vaporising device 3 and preheating blender 6.O
2gas tank, SO
2gas tank, NO gas tank outlet pipeline are connected to preheating blender 6.
Described water feed apparatus comprises reserve tank 11 and is connected to the volume pump 12 of described reserve tank 11, and the outlet conduit of described volume pump 12 is connected to the entrance of vaporization pipeline 13 by switch 1 and mass flowmeter 2, described vaporization pipeline 13 arranges an attemperating unit 14.
The entrance of described mercury vapour vaporising device 3 is connected to described N by a switch 1
2gas tank outlet pipeline, the outlet of described mercury vapour vaporising device 3 is connected to an entrance of described preheating blender 6 by a retaining valve 5 and mass flowmeter 2, and pipeline can be coated with heat-insulation layer 4, optionally, the outer rim of described mercury vapour vaporising device 3 is coated with heat-insulation layer 4, to provide effective temperature to keep, avoid Hg condensation adsorption.
Described preheating blender 6 is also provided with and is connected to described N
2gas tank, O
2gas tank, SO
2another entrance of gas tank and NO gas tank outlet pipeline, is provided with heating arrangement 7 in one end, preheating blender porch, thinks the temperature that preheating blender provides certain.
Thus, N
2gas in gas tank is divided into two gas circuits: wherein in a gas circuit gas as the carrier gas of mercury vapour, collaborative mercury vapour is successively by entering preheating blender 6 after the pipeline of the coated heat-insulation layer 4 in retaining valve 5, mass flowmeter 2 and outside, the gas in another gas circuit and O
2gas tank, SO
2gas tank, NO gas tank enter preheating blender 6 together.
Described preheating blender 6 comprises body, thermal detector 8, rotating vane 9 and drive unit 10, the mixed space holding described rotating vane 9 is provided with in described body, described drive unit 10 be arranged at described external and be connected to described rotating vane 9, to drive rotating vane 9, realize the fully mixed of gas, described thermal detector 8 is arranged at body and measures the gas temperature temperature in mixed space, and the coated heat-insulation layer 4 of outer rim of described body is to keep temperature.
Described preheating blender 6 comprises two outlet passageways, and wherein an outlet passageway is the main line being connected to reactive system II, and another outlet pipe is the bypass being connected to detection system III, is all provided with switch 1 in two outlet passageways.
Described reactive system II comprises heating furnace 15 and catalytic reactor 16, described heating furnace 15 is coaxially arranged at the periphery of described catalytic reactor 16 to heat catalytic reactor 16, and the entrance of described catalytic reactor 16 is connected with wherein outlet pipe of described preheating blender 6, the outlet of described vaporization pipeline 13 and NH
3the outlet conduit of gas tank and HCl gas tank, thus gas, NH mixed to preheating in catalytic reactor 16
3steam after gas, HCl gas and vaporization carries out catalytic reaction, and the outlet conduit of described catalytic reactor 16 is provided with switch 1 and is connected to described detection system III.
Described detection system III comprises a multifunctional examining measurement equipment 17, and it can detect Hg, Hg simultaneously
2+, SO
2, NOX, O
2and NH
3deng gas, the air intake opening of described multifunctional examining measurement equipment 17 is connected to another outlet pipe of described preheating blender 6 and the outlet conduit of catalytic reactor 16 by switch, thus can provide and effectively detect data.
Wherein, also can be provided with exhaust treatment system IV, the outlet of described multifunctional examining measurement equipment 17 is connected to described exhaust treatment system IV, and the entrance of described multifunctional examining measurement equipment 17 is also connected directly to exhaust treatment system IV by a switch 1, thus realizes gas and can directly enter exhaust treatment system IV when obstructed too much function detection equipment 17.
Described exhaust treatment system IV comprises the first absorption plant 18, second absorption plant 19, the 3rd absorption plant 20, O
2tank and absorbent charcoal adsorber 21, the air intake opening of described first absorption plant 18 is connected with the outlet of described multifunctional examining measurement equipment 17 and entrance, its gas outlet and O
2the gas outlet of tank is connected with the second absorption plant 19 after converging, described O
2the outlet conduit of tank is provided with a switch 1 and mass flowmeter 2, and the outlet conduit of described first absorption plant 18 is provided with a retaining valve 5, and described second absorption plant 19 rear end sets gradually the 3rd absorption plant 20 and absorbent charcoal adsorber 21.Hg in described first absorption plant 18 dominant absorption tail gas
2+, that wherein hold can be KCl, Na
2s, K
2one or more in the solution such as S, ammoniacal liquor, preferably KCl solution.The SO of described second absorption plant 19 mainly after absorption reaction in gas
2, NO and NO
2etc. acid gas components, what wherein hold is alkaline solution, can be one or more in the solution such as KOH, NaOH, preferably KOH solution.The air intake opening line branching of described second absorption plant 19 is connected with O
2gas circuit, can be oxidized to NO by NO
2, make absorption more abundant.NH remaining in the 3rd described absorption plant 20 dominant absorption tail gas
3, that hold in it can be H
3pO
4, H
2sO
4, one or more in the solution such as HCl, preferably H
3pO
4solution.A small amount of harmful gas components such as the Hg that described absorbent charcoal adsorber 21 is remaining after being mainly used for purifying said apparatus process further.
The step that the utility model carries out testing and assessing is as follows:
Catalyst samples is installed in hydrogen-catalyst reactor 16, is respectively charged into KCl, KOH and H by the first absorption plant 18, second absorption plant 19, the 3rd absorption plant 20
3pO
4solution, liquid level is about 1/2 place of absorption plant;
Open general supply, open N
2go out air cock 1, close hydrogen-catalyst reactor 16 gate out switch 1 and by-pass switch 1, check without gas leak phenomenon;
Open O in air supply system I
2, SO
2, NO and mercury vapour vaporising device 3 switch 1, regulate each gas flow by mass flowmeter 2, carry out preheating after these gases will enter preheating blender 6 and mix;
Close import and the gate out switch 1 of hydrogen-catalyst reactor 16 in main road, open by-pass switch 1, above-mentioned preheating blender 6 effluent air directly will enter detection system III by bypass, after system III display value stabilization to be detected, and each component concentration in record original gas;
Open main path switch, close bypass, regulate the temperature of heating furnace 15, start water feed apparatus, NH simultaneously
3with HCl air circuit breaker 1, regulate each gas flow by mass flowmeter 2, these gases enter in hydrogen-catalyst reactor 16 together with the gas of discharging with preheating blender 6, react under catalyst action;
Gas after catalytic reaction will flow through detection system III, after system III display value stabilization to be detected, and each component concentration in gas after record reaction.
The data collected before and after catalytic reaction are contrasted, namely can calculate the activity index of catalyzer.
As can be seen here, the utility model tool has the following advantages:
1, denitration demercuration catalyst activity evaluating apparatus structure of the present utility model is simple, reasonable in design, can carry out on-the-spot circumstance preferably, can evaluate the activity of the denitration demercuration catalyzer prepared quickly and easily, and accuracy be high;
2, exhaust treatment system is perfect, has good treatment effect, effectively can avoid the pollution to atmospheric environment to the complicated gas after detecting;
3, this apparatus multifunction checkout equipment independent design, the scope of detection is wide, and precision is high.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of instructions and the appended claim fallen into above.
Claims (7)
1. a denitration demercuration catalyst activity assessment device, comprises air supply system, reactive system and detection system, it is characterized in that:
Described air supply system comprises N
2gas tank, O
2gas tank, SO
2gas tank, NO gas tank, NH
3gas tank, HCl gas tank, mercury vapour vaporising device, water feed apparatus and preheating blender, described N
2gas tank outlet pipeline is connected to described mercury vapour vaporising device and preheating blender, described O
2gas tank, SO
2the outlet conduit of gas tank, NO gas tank is connected to preheating blender;
Described water feed apparatus comprises reserve tank and is connected to the volume pump of described reserve tank, and the outlet conduit of described volume pump is connected to the entrance of vaporization pipeline;
The entrance of described mercury vapour vaporising device is connected to described N by a switch
2gas tank outlet pipeline, the outlet of described mercury vapour vaporising device is connected to an entrance of described preheating blender by a retaining valve;
Described preheating blender is also provided with and is connected to described N
2gas tank, O
2gas tank, SO
2another entrance of gas tank and NO gas tank outlet pipeline;
Described preheating blender comprises body, rotating vane and drive unit, is provided with and holds the mixed space of described rotating vane in described body, described drive unit be arranged at described external and be connected to described rotating vane to drive rotating vane;
Described preheating blender comprises two outlet passageways, and wherein an outlet passageway is connected to reactive system, and another outlet pipe is connected to detection system;
Described reactive system comprises heating furnace and catalytic reactor, described heating furnace is coaxially arranged at the periphery of described catalytic reactor to heat catalytic reactor, and the entrance of described catalytic reactor is connected with wherein outlet pipe of described preheating blender, the outlet of described vaporization pipeline and NH
3the outlet conduit of gas tank and HCl gas tank, the outlet conduit of described catalytic reactor is connected to described detection system;
Described detection system comprises a multifunctional examining measurement equipment, and the air intake opening of described multifunctional examining measurement equipment is connected to another outlet pipe of described preheating blender and the outlet conduit of catalytic reactor by switch.
2. active assessment device as claimed in claim 1, is characterized in that: the outer rim of described mercury vapour vaporising device is coated with heat-insulation layer.
3. active assessment device as claimed in claim 1, is characterized in that: the coated heat-insulation layer of body outer rim of described preheating blender is to keep temperature.
4. active assessment device as claimed in claim 1, is characterized in that: the inlet end of described preheating blender is provided with a heating arrangement.
5. as the active assessment device as described in arbitrary in claim 1-4, it is characterized in that: be also provided with exhaust treatment system, the outlet of described multifunctional examining measurement equipment is connected to described exhaust treatment system, and the entrance of described multifunctional examining measurement equipment is connected directly to exhaust treatment system by a switch.
6. active assessment device as claimed in claim 5, is characterized in that: described exhaust treatment system comprises the first absorption plant, the second absorption plant, the 3rd absorption plant, O
2tank and absorbent charcoal adsorber, the air intake opening of described first absorption plant is connected with the outlet of described multifunctional examining measurement equipment and entrance, its gas outlet and O
2the gas outlet of tank is connected with the second absorption plant after converging, and described second absorption plant rear end sets gradually the 3rd absorption plant and absorbent charcoal adsorber.
7. active assessment device as claimed in claim 6, is characterized in that: that described first absorption plant holds is KCl, Na
2s, K
2s or ammoniacal liquor, described second absorption plant holds KOH or NaOH solution, and the 3rd described absorption plant holds H
3pO
4, H
2sO
4or HCl solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504042.4U CN204065045U (en) | 2014-09-02 | 2014-09-02 | Denitration demercuration catalyst activity assessment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504042.4U CN204065045U (en) | 2014-09-02 | 2014-09-02 | Denitration demercuration catalyst activity assessment device |
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|---|---|
| CN204065045U true CN204065045U (en) | 2014-12-31 |
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ID=52206530
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|---|---|---|---|
| CN201420504042.4U Expired - Fee Related CN204065045U (en) | 2014-09-02 | 2014-09-02 | Denitration demercuration catalyst activity assessment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109187883A (en) * | 2018-10-08 | 2019-01-11 | 中国石油天然气股份有限公司 | A kind of natural gas mercury-removing agent evaluating apparatus |
| CN112444595A (en) * | 2019-08-29 | 2021-03-05 | 国家能源投资集团有限责任公司 | Device and method for jointly evaluating activity of denitration and demercuration catalyst |
-
2014
- 2014-09-02 CN CN201420504042.4U patent/CN204065045U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109187883A (en) * | 2018-10-08 | 2019-01-11 | 中国石油天然气股份有限公司 | A kind of natural gas mercury-removing agent evaluating apparatus |
| CN112444595A (en) * | 2019-08-29 | 2021-03-05 | 国家能源投资集团有限责任公司 | Device and method for jointly evaluating activity of denitration and demercuration catalyst |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160511 Address after: 101111, room 2, No. 064, government road, Tongzhou District light industrial park, Zhongguancun science and Technology Park, Tongzhou, Beijing Patentee after: Beijing macro environmental protection technology Co., Ltd. Address before: 100095, 408 hot springs town, Beijing, Haidian District Patentee before: Li Haocheng |
|
| 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: 20141231 Termination date: 20180902 |