CN204086237U - The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics - Google Patents
The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics Download PDFInfo
- Publication number
- CN204086237U CN204086237U CN201420291728.XU CN201420291728U CN204086237U CN 204086237 U CN204086237 U CN 204086237U CN 201420291728 U CN201420291728 U CN 201420291728U CN 204086237 U CN204086237 U CN 204086237U
- Authority
- CN
- China
- Prior art keywords
- drop tube
- tube furnace
- flue gas
- furnace
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics, comprise: drop tube furnace subsystem is containing drop tube furnace, microdose heparin machine and Furnace Temperature Control System, microdose heparin machine exports in powder to drop tube furnace in alundum tube through pipeline, and Furnace Temperature Control System controls heating rate and in-furnace temperature by the heating wire in drop tube furnace; Air distribution subsystem is containing respectively having output channel to be communicated to some gas cylinders of mixed gas tank, the output channel of each gas cylinder is all provided with the delivery rate that reduction valve and flowmeter control gas cylinder, the pipeline of output through being equipped with mass flowmeter of mixed gas tank to be delivered in drop tube furnace in alundum tube; Measurement subsystem containing the spy rifle connected successively with pipeline, connect umbilical duct, filtrator and condensed absorbent system, visit rifle and insert in alundum tube, visit rifle, connect umbilical duct and filtrator is provided with heating control system.Native system is simple, and variable is single, and experimental result is to carrying out mud for actual coal fired power plant and coal mixed combustion industrialization, hamlessizing technology are provided fundamental basis.
Description
Technical field
The utility model relates to the research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics.
Background technology
Along with the increase of Chinese society expanding economy and urban population, within 2010, quantity of wastewater effluent reaches 4.40 × 10
10m
3/ d, estimates that the year two thousand twenty quantity of wastewater effluent will reach 5.36 × 10
10m
3/ d, therefore annual at least generation 5,000,000 tons of mud.The method of disposal of mud is the row of mainly containing sea, landfill, agricultural, burning etc. at present.Compared with front 3 kinds of methods of disposal, incineration disposal has the remarkable advantage of minimizing, innoxious and resource.Again because sludge calorific value is very low, generally cannot smooth combustion separately.Therefore, in commercial Application device, usually adopt the mode of mud and coal mixed combustion to carry out the incineration disposal of mud.
Mercury is as the newly-increased limit row standard of thermal power plant's pollutant emission standard (GB13223-2011), be a kind of hypertoxicity material, because it easily gathers in vivo, be difficult to captured, and atmospheric residence time is long, be therefore subject to the great attention of countries in the world researcher.In air, the topmost source of mercury produces from coal combustion.And mud is because deriving from sanitary sewage, industrial sewage, its content of beary metal is higher.Therefore mud and raw coal are mixed in burning process, also will pay close attention to the conversion Transport of its mercury in flue gas, thus adjustment coal-burning power plant's mud and coal mix the method to pollutant process in burning process, in order to avoid cause secondary pollution.
Mud and coal are mixed in burning process and are produced gaseous mercury in flue gas and mainly exist with 2 kinds of forms: element mercury (Hg0) and oxidation state mercury (Hg2+).Mercury species has different physics and chemistry character.Hg2+ is soluble in water, therefore Hg2+ can remove with wet type fume sweetening device (WFGD).And Hg0 has higher saturated vapour pressure under air pollution control devices operating temperature and high pressure, highly volatile and be insoluble in water.Select mud and coal mixed combustion process in drop tube furnace simulated hearth, it possesses the advantages such as structure is simple, combustion temperature in hearth is higher and programming rate is fast, secondary reaction that is active volatile is little, can simulate the condition of coal-burning boiler burner hearth high temperature conflagration.
Therefore, the mercury release characteristics of flue gas is produced at testing table experiment Analysis research mud and coal mixed combustion, for mud and coal mixed combustion large-scale industrial production are applied, also for sewage sludge harmlessness, recycling treatment are taken a firm foundation and had important practical significance.
Utility model content
Technical problem to be solved in the utility model, just be to provide the research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics, the utility model can study mud and coal mixed combustion mercury in flue gas release characteristics very well surely, and then is that actual coal fired power plant carries out mud and coal mixed combustion industrialization, hamlessizing technology are provided fundamental basis.
Solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A research experiment system for mud and coal mixed combustion mercury in flue gas release characteristics, is characterized in that: comprise drop tube furnace subsystem, air distribution subsystem and measurement subsystem;
Described drop tube furnace subsystem comprises drop tube furnace 8, microdose heparin machine 7 and Furnace Temperature Control System 13, microdose heparin machine evenly exports in powder to drop tube furnace in alundum tube 9 through pipeline by setting value, and Furnace Temperature Control System controls heating rate and in-furnace temperature by the heating wire in drop tube furnace;
Described air distribution subsystem comprises the some gas cylinders 1,2 respectively having output channel to be communicated to mixed gas tank 5, the output channel of each gas cylinder is all provided with the delivery rate that reduction valve and flowmeter 3,4 control gas cylinder, the pipeline of output through being equipped with mass flowmeter 6 of mixed gas tank to be delivered in drop tube furnace 8 in alundum tube 9;
Described measurement subsystem comprise connect successively with pipeline spy rifle 10, connect umbilical duct 11, filtrator 12 and condensed absorbent system 14, visiting rifle 10 inserts in described drop tube furnace in alundum tube 9, and described spy rifle, connection umbilical duct and filtrator are provided with heating control system 15.(coal ash is filtered out by filtrator, and flue gas enters condensed absorbent system by filtrator.)
Described condensed absorbent system 14 comprises first to the 6th Drexel bottle 1401,1402,1403,1404,1405 and 1406 be immersed in ice bath connected successively with pipeline.KCl solution is equipped with in first, second Drexel bottle 1401,1402; 5%v/v HNO is equipped with in 3rd Drexel bottle 1403
3-10%v/v H
2o
2solution; Four, 4%w/v KMnO is equipped with in the 5th Drexel bottle 1404,1405
4-10%v/v H
2sO
4solution; It is 6-16 object silica gel that particle size is equipped with in 6th Drexel bottle 1406.
Described spy rifle 14 be high temperature resistant, not easily stain and ungentle sample reaction quartz visit rifle, long 450mm.
Described filtrator 12 is the husky core filtrator of borosilicate glass.
Described connection umbilical duct 11 is teflon pipeline, and this pipe is heated to 120 DEG C in experimentation, to prevent water and acid cure knot.
Described spy rifle, connection umbilical duct and filter heat control system 15 are temperature control electric heating system, and heating-up temperature maintains 120 DEG C.
The utility model has following beneficial effect:
(1) experimental technique and experimental system are simply, easy to operate, can realize unitary variant and control.
(2) can simulate due to coal type change in actual coal fired power plant operational process, mud mixed-fuel burning proportion changes, and fire box temperature changes, and different combustion atmosphere changes etc. are on the impact of mud and coal combustion flue gas mercury release characteristics.
(3) combustion process of actual boiler furnace can be simulated, actual closer to engineering.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is mud and coal mixed combustion mercury in flue gas release characteristics research experiment system schematic;
Fig. 2 is condensed absorbent system architecture schematic diagram.
In figure, 1-welding bottle, 2-nitrogen cylinder, 3-reduction valve, 4-flowmeter, 5-mixes gas tank, 6-mass flowmeter, 7-microdose heparin machine, 8-drop tube furnace body of heater, 9-alundum tube, 10-visits rifle, and 11-connects umbilical duct, 12-filtrator, 13-body of heater control system, 14-condensed absorbent system, 15-visits rifle, connects umbilical duct and filter heat control system; 1401,1402-is equipped with first, second Drexel bottle of KCl solution, and 1403-is equipped with 5%v/v HNO
3-10%v/v H
2o
23rd Drexel bottle of solution, 1404,1405-is equipped with 4%w/v KMnO
4-10%v/v H
2sO
44th, the 5th Drexel bottle of solution, 1406-is equipped with the 6th Drexel bottle that particle size is 6-16 object silica gel, 1407-ice bath case.
Embodiment
As shown in Figure 1, the research experiment system embodiment of mud of the present utility model and coal mixed combustion mercury in flue gas release characteristics, comprises drop tube furnace subsystem, air distribution subsystem and measurement subsystem.
Drop tube furnace subsystem comprises drop tube furnace 8, microdose heparin machine 7 and Furnace Temperature Control System 13, microdose heparin machine evenly exports in powder to drop tube furnace in alundum tube 9 through pipeline by setting value, and Furnace Temperature Control System controls heating rate and in-furnace temperature by the heating wire in drop tube furnace; Air distribution subsystem comprises the some gas cylinders 1,2 respectively having output channel to be communicated to mixed gas tank 5, the output channel of each gas cylinder is all provided with the delivery rate that reduction valve and flowmeter 3,4 control gas cylinder, the pipeline of output through being equipped with mass flowmeter 6 of mixed gas tank to be delivered in drop tube furnace 8 in alundum tube 9; Measurement subsystem comprise connect successively with pipeline spy rifle 10, connect umbilical duct 11, filtrator 12 and condensed absorbent system 14, visiting rifle 10 to insert in described drop tube furnace in alundum tube 9, visit rifle 14 be high temperature resistant, not easily stain and ungentle sample reaction quartz spy rifle, long 450mm, filtrator 12 is the husky core filtrator of borosilicate glass, connecting umbilical duct 11 is teflon pipeline, and this pipe is heated to 120 DEG C in experimentation, to prevent water and acid cure knot; Visit rifle, connection umbilical duct and filtrator and be provided with heating control system 15, it is temperature control electric heating system, and heating-up temperature maintains 120 DEG C.
Condensed absorbent system 14 comprises first to the 6th Drexel bottle 1401,1402,1403,1404,1405 and 1406 be immersed in ice bath connected successively with pipeline, and KCl solution is equipped with in first, second Drexel bottle 1401,1402; 5%v/v HNO is equipped with in 3rd Drexel bottle 1403
3-10%v/v H
2o
2solution; Four, 4%w/vKMnO is equipped with in the 5th Drexel bottle 1404,1405
4-10%v/v H
2sO
4solution; It is 6-16 object silica gel that particle size is equipped with in 6th Drexel bottle 1406.
Need according to experiment, regulate the gas flow ratio (as air atmosphere, oxygen: nitrogen=21:79) entering mixed gas tank 5.Gas, after mixed gas tank 5 mixes, regulates the gas flow entering drop tube furnace by mass flowmeter 6.This is the air distribution subsystem of mud and coal mixed combustion mercury in flue gas release characteristics experimental system.
Gas carrying microdose heparin machine 7 evenly exports powder by setting value, and send into drop tube furnace body of heater 8, after the high-temp combustion in alundum tube 9, flue gas enters the spy rifle 10 in measurement subsystem.Body of heater control system 13 controlling dropping pipe furnace heating rate and in-furnace temperature.
High-temperature flue gas is successively by visiting rifle 10, connecting umbilical duct 11, filtrator 12 and condensed absorbent system 14.Flue gas filters out flue dust in filtrator 12, finally enters condensed absorbent system 14 and is absorbed by wherein solution.
Visit rifle, connection umbilical duct and filter heat control system 15 in experimentation, guarantee that spy rifle 10, connection umbilical duct 11, filtrator 12 heating-up temperature maintain 120 DEG C.
The flue gas absorption system 14 that is condensed absorbs as shown in Figure 2, mercury in flue gas is divided into element mercury (Hg0) and oxidation state mercury (Hg2+), oxidation state mercury (Hg2+) absorbs in the Drexel bottle 1401,1402 that KCl solution is housed, and element mercury is water insoluble, be therefore the content of oxidation state mercury in flue gas in Drexel bottle 1401,1402; Element mercury is being equipped with 5%v/v HNO
3-10%v/vH
2o
2the Drexel bottle 1403 of solution is oxidized to mercury oxide, and therefore water soluble, is absorbed by solution, thereafter 4%w/vKMnO is housed
4-10%v/v H
2sO
4the Drexel bottle 1404,1405 of solution is also oxidation and absorbs element mercury, so the mercury absorbed in Drexel bottle 1403,1404,1405 solution is the content of element mercury in flue gas; It is the solution droplets that the Drexel bottle 1406 of 6-16 object silica gel absorbs moisture in flue gas or takes out of in Drexel bottle that particle size is finally housed.All Drexel bottles all by ice bath in ice bath case.
Claims (6)
1. a research experiment system for mud and coal mixed combustion mercury in flue gas release characteristics, is characterized in that: comprise drop tube furnace subsystem, air distribution subsystem and measurement subsystem;
Described drop tube furnace subsystem comprises drop tube furnace (8), microdose heparin machine (7) and Furnace Temperature Control System (13), microdose heparin machine evenly exports in powder to drop tube furnace in alundum tube (9) through pipeline by setting value, and Furnace Temperature Control System controls heating rate and in-furnace temperature by the heating wire in drop tube furnace;
Described air distribution subsystem comprises the some gas cylinders (1,2) respectively having output channel to be communicated to mixed gas tank (5), the output channel of each gas cylinder is all provided with the delivery rate of reduction valve and flowmeter (3,4) control gas cylinder, the pipeline of output through being equipped with mass flowmeter (6) of mixed gas tank is delivered in the middle alundum tube (9) of drop tube furnace (8);
Described measurement subsystem comprise connect successively with pipeline spy rifle (10), connect umbilical duct (11), filtrator (12) and condensed absorbent system (14), visit in the drop tube furnace described in rifle (10) insertion in alundum tube (9), described spy rifle, connection umbilical duct and filtrator are provided with heating control system (15).
2. the research experiment system of mud according to claim 1 and coal mixed combustion mercury in flue gas release characteristics, it is characterized in that: described condensed absorbent system (14) comprises first to the 6th Drexel bottle (1401,1402,1403,1404,1405 and 1406) be immersed in ice bath connected successively with pipeline, and KCl solution is equipped with in first, second Drexel bottle (1401,1402); 5%v/v HNO is equipped with in 3rd Drexel bottle (1403)
3-10%v/v H
2o
2solution; Four, 4%w/v KMnO is equipped with in the 5th Drexel bottle (1404,1405)
4-10%v/v H
2sO
4solution; It is 6-16 object silica gel that particle size is equipped with in 6th Drexel bottle (1406).
3. the research experiment system of mud according to claim 2 and coal mixed combustion mercury in flue gas release characteristics, is characterized in that: described spy rifle (14) for high temperature resistant, not easily stain and ungentle sample reaction quartz visit rifle, long 450mm.
4. the research experiment system of mud according to claim 3 and coal mixed combustion mercury in flue gas release characteristics, is characterized in that: described filtrator (12) is the husky core filtrator of borosilicate glass.
5. the research experiment system of mud according to claim 4 and coal mixed combustion mercury in flue gas release characteristics, is characterized in that: described connection umbilical duct (11) is teflon pipeline, and this pipe is heated to 120 DEG C in experimentation.
6. the research experiment system of mud according to claim 5 and coal mixed combustion mercury in flue gas release characteristics, it is characterized in that: described spy rifle, connection umbilical duct and filter heat control system (15) are temperature control electric heating system, and heating-up temperature maintains 120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291728.XU CN204086237U (en) | 2014-06-03 | 2014-06-03 | The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291728.XU CN204086237U (en) | 2014-06-03 | 2014-06-03 | The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086237U true CN204086237U (en) | 2015-01-07 |
Family
ID=52178938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420291728.XU Expired - Fee Related CN204086237U (en) | 2014-06-03 | 2014-06-03 | The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076123A (en) * | 2014-06-03 | 2014-10-01 | 广东电网公司电力科学研究院 | Experiment system for researching release characteristic of mercury in mixed combustion smoke of sludge and coal |
| CN106051785A (en) * | 2016-05-24 | 2016-10-26 | 宝钢发展有限公司 | Method for reducing NOx emission during sludge incineration |
-
2014
- 2014-06-03 CN CN201420291728.XU patent/CN204086237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076123A (en) * | 2014-06-03 | 2014-10-01 | 广东电网公司电力科学研究院 | Experiment system for researching release characteristic of mercury in mixed combustion smoke of sludge and coal |
| CN106051785A (en) * | 2016-05-24 | 2016-10-26 | 宝钢发展有限公司 | Method for reducing NOx emission during sludge incineration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204460222U (en) | Environment-friendly garbage high-efficiency thermal decomposition device | |
| CN104076123A (en) | Experiment system for researching release characteristic of mercury in mixed combustion smoke of sludge and coal | |
| CN102635865A (en) | Sludge drying and incinerating integrated treatment system and process thereof | |
| CN104033912A (en) | Device used for waste gas treatment and recycling | |
| CN203917380U (en) | A kind of thermal desorption device that utilizes boiler smoke to process organic polluted soil | |
| CN203816509U (en) | Desulfuration and denitration system for low temperature coke oven exhaust | |
| CN107138515A (en) | A kind of heat supply method of energy-saving and emission-reduction | |
| CN112097261A (en) | Organic solid waste smoldering treatment and flue gas purification device | |
| CN204086237U (en) | The research experiment system of a kind of mud and coal mixed combustion mercury in flue gas release characteristics | |
| CN206191611U (en) | RTO system of burning with adjustable VOCs concentration | |
| CN202581347U (en) | Sludge drying and incinerating integrated treatment system | |
| CN207577115U (en) | The organic polluted soil dystopy thermal desorption repair system that a kind of waste heat efficiently utilizes | |
| CN204588966U (en) | A kind of paper mill sludge high temperature harmless treatment device | |
| CN109519940A (en) | A kind of landfill Flash Gas Compression Skid System and method for household refuse landfill sites | |
| CN103453751B (en) | A kind of high hot waste gas energy utilization system | |
| CN209558365U (en) | A kind of landfill Flash Gas Compression Skid System for household refuse landfill sites | |
| CN102072499A (en) | Flue gas low temperature denitriding and coal slime drying combined circulating system | |
| CN204534595U (en) | The progressive classification pyrolysis installation of the rubbish preventing bioxin from generating | |
| CN104633637B (en) | A kind of coal-burning boiler system | |
| CN203768193U (en) | Vitrified sludge disposal system | |
| CN102213490A (en) | Heat carrier boiler for burning urban semidrying sludge | |
| CN204176655U (en) | For the device of exhaust-gas treatment and recycle and reuse | |
| CN204404187U (en) | A kind of organic solid waste gasification treatment device | |
| CN204534535U (en) | A kind of boiler of power plant of energy-conserving and environment-protective | |
| CN205119805U (en) | Energy -concerving and environment -protective type tubular industrial heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |