CN203846047U - Online detection device for laboratorial gas-based directly-reduced iron - Google Patents
Online detection device for laboratorial gas-based directly-reduced iron Download PDFInfo
- Publication number
- CN203846047U CN203846047U CN201320804380.5U CN201320804380U CN203846047U CN 203846047 U CN203846047 U CN 203846047U CN 201320804380 U CN201320804380 U CN 201320804380U CN 203846047 U CN203846047 U CN 203846047U
- Authority
- CN
- China
- Prior art keywords
- gas
- pipeline
- reduction iron
- direct
- iron reactor
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 229910052742 iron Inorganic materials 0.000 claims abstract description 42
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 239000006185 dispersion Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000010453 quartz Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000428 dust Substances 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004949 mass spectrometry Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 70
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002864 coal component Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to an online detection device for laboratorial gas-based directly-reduced iron. The device comprises a gas flow meter, a buffer tank, a direct reduction iron reactor, a visual electric heating furnace, a drying and cooling device, a gas-containing dust filter valve and a mass spectrometry detector. The direct reduction iron reactor is in a quartz sleeve structure, the heating furnace is provided with a quartz view window at the position of a fluidized bed distribution plate, the gas distribution is uniform, the air tightness is good and the whole course is visual; reduction tail gas concentration can be monitored in real time by online mass spectrometric detection, and a reaction dynamics spectrogram can be directly drawn.
Description
Technical field:
The utility model relates to a kind of device of direct-reduced iron, particularly relates to the online device detecting of a kind of gas base directly reducing iron for laboratory simulation.
Background technology:
The sponge iron that gas base directly reducing iron technology is produced is the necessary raw material of high-quality steel, along with the high speed development of Electric furnace steel making, and the demand cumulative year after year of market to sponge iron.In China, the technical development of gas base directly reducing iron, due to reasons such as resource and fundamental research deficiencies, not yet realizes large-scale industrialization application at present, and the output of sponge iron and quality can not meet the needs in market far away, need extensive import.After entering WTO, domestic iron and steel enterprises will be directly in the face of the challenge of external transnational Iron And Steel Company, material inlet causes passive on cost, in competition in disadvantageous status.
The production of domestic sponge iron be take coal-based rotary kiln method as main, exists energy consumption high, seriously polluted, and has the shortcoming of " ring formation ", causes producing having some setbacks, and annual production is hundreds of thousands of ton only.Gas base directly reducing iron be take fluidized-bed, shaft furnace method as main, wherein to have reaction efficiency high for fluidized bed process, without pressure ball, mix, the features such as energy source clean, and can adopt steel mill's by-product gas is that source of the gas does not rely on deficient coke and natural gas source, and its feature meets the national conditions of China completely.But fluidized reduction is also deposited and is at high temperature easily cohered the key issues such as defluidization.According under different condition, research causes the reason of cohering, and takes to add the corresponding measures such as additive, the additional field of force, interior structure key, the impact that can effectively prevent or alleviate this problem.
At present the small-scale analog machine in laboratory, all exists reacting phenomenon invisible, detection of complex, the shortcoming such as interfering factors is many, the problem such as cause gas base reduced iron parametric measurement difficulty, kinetic determination error is large, workload is large.For this situation, the online device detecting of laboratory gas base directly reducing iron that exploitation has independent intellectual property right, be applicable to factory and institute's condition is significant to the development at home of gas base directly reducing iron technology.
Summary of the invention:
The purpose of this utility model is to exist reacting phenomenon invisible for existing laboratory gas base directly reducing iron device, detection of complex, the shortcomings such as interfering factors is many, workload is large, in order to improve fundamental research efficiency and precision, thereby provide a kind of for the online device detecting of laboratory gas base directly reducing iron.
The purpose of this utility model is achieved in that
Direct-reduction iron reactor is established in described visual electrical heater inside; Described direct-reduction iron reactor is connected with surge tank by pipeline B; Described direct-reduction iron reactor is connected with drying cooling device by pipeline C; Described drying cooling device is connected with mass spectrometric detection instrument by pipeline D.
Described visual electrical heater inside arranges direct-reduction iron reactor;
Preferably, the quartzy material that direct-reduction iron reactor is high temperature resistant high light transmittance;
Preferably, direct-reduced iron inside reactor sleeve bottom arranges gas dispersion apparatus;
Preferably, direct-reduced iron inside reactor sleeve pipe and outer sleeve are communicated with by gas dispersion apparatus;
Preferably, direct-reduced iron inside reactor sleeve pipe top seals.
On described visual electrical heater, form is set;
Preferably, described form is quartzy material high temperature resistant, high light transmittance;
Preferably, described form is positioned at electric furnace constant temperature zone.
Described device is connected by the surge tank connecting successively, direct-reduction iron reactor, drying cooling device and mass spectrometric detection instrument.
Described surge tank bottom arranges the first reducing gas entrance.
Preferably, unstripped gas is connected by the first reducing gas entrance of pipeline A and surge tank;
Preferably, on pipeline A, gas meter is installed.
Described surge tank top arranges the first reducing gas outlet;
Preferably, the first reducing gas outlet is connected with direct-reduction iron reactor outer tube gas inlet by pipeline B.
Described direct-reduction iron reactor inner tube pneumatic outlet is connected by the second reducing gas entrance of pipeline C and drying cooling device.
Described drying cooling device top arranges the second reducing gas outlet.
Preferably, drying cooling device air outlet is connected with gas inlet by pipeline D;
Preferably, filter tap is set in the middle of pipeline D.
Preferably, filter tap is a kind of valve group that can process dusty gas.
Described mass spectrometric detection instrument is provided with tail gas outlet;
Preferably, by pipeline E, at exhaust port, burn or pass into stink cupboard;
Preferably, stopping valve is set in the middle of pipeline E.
Described electric furnace can be observed the response behaviour in direct-reduction iron reactor by form; By the mass spectrometric detection instrument component of gas-monitoring constantly, draw reaction kinetics collection of illustrative plates.
Affiliated gas enters surge tank by the first reducing gas entrance, through the first reducing gas outlet, enters outer tube gas inlet, and the gas dispersion apparatus through inner tube bottom enters interior tube reaction; The second reducing gas entrance that tail gas connects by inner tube pneumatic outlet enters drying cooling device; Dry cooled gas enters the gas inlet of mass spectrometric detection instrument after filter tap by the second reducing gas outlet, the composition that mass spectrometric detection instrument can detected gas can obtain the reaction kinetics collection of illustrative plates of gas as calculated; Stink cupboard is lighted or passed into tail gas outlet by mass spectrometric detection instrument through stopping valve at exhaust port place.
The 3-10 that described direct-reduced iron reactor bottom operating gas velocity is incipient fluidizing velocity doubly.
The utility model is compared with existing technology, has following advantage:
1) laboratory of the present utility model gas base directly reducing iron on-line measuring device carries out reduced iron experiment, can adopt the mode that changes source of the gas gaseous species or concentration, simulates flexibly multiple industrial gas maked coal component, tests.
2) laboratory of the present utility model gas base directly reducing iron on-line measuring device carries out reduced iron experiment, can, by fluidized state, response behaviour in visualization window and the high temperature resistant reduced iron reactor of high light transmittance observing response device, be beneficial to trickle observation contrast.
3) laboratory of the present utility model gas base directly reducing iron on-line measuring device carries out reduced iron experiment, can to reaction end gas composition, monitor constantly by the mass spectrometric detection instrument of end, and be depicted as reaction kinetics collection of illustrative plates intuitively, greatly reduced workload and experimental system error.
Accompanying drawing explanation:
Fig. 1
Unstripped gas 1 gas meter 2 first reducing gas entrance 3 surge tanks 4
The first reducing gas exports 5 visual electrical heater 6 outer tube gas inlet 7 reduced iron reactors 8
The 9 form 10 second reducing gas entrance 11 second reducing gas outlets 12 of inner tube pneumatic outlet
Drying cooling device 13 filter tap 14 gas inlet 15 mass spectrometric detection instrument 16
Tail gas exports 17 stopping valve 18 exhaust port 19 pipeline A, B, C, D, E
Concrete embodiment:
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
As shown in Figure 1, a kind of for the online device detecting of laboratory gas base directly reducing iron, described device consists of the under meter 2 connecting successively, surge tank 4, reduced iron reactor 8, visual electrical heater 6, drying cooling device 13 and mass spectrometric detection instrument 16; Wherein unstripped gas 1 is connected by the first reducing gas entrance 3 of pipeline A and surge tank 4, on this pipeline A, gas meter 2 is installed; Gas enters surge tank 4 by the first reducing gas entrance 3, through the first reducing gas outlet 5, enters outer tube gas inlet 7, and the gas dispersion apparatus through inner tube bottom enters interior tube reaction; The second reducing gas entrance 11 that tail gas connects by inner tube pneumatic outlet 9 enters drying cooling device 13; Dry cooled gas enters the gas inlet 15 of mass spectrometric detection instrument 16 after filter tap 14 by the second reducing gas outlet 12; Stink cupboard is lighted or passed into tail gas outlet 17 by mass spectrometric detection instrument 16 through stopping valve 18 at exhaust port 19 places.
Claims (10)
1. for the online device detecting of laboratory gas base directly reducing iron, comprise visual electrical heater (6), it is characterized in that, direct-reduction iron reactor (8) is established in described visual electrical heater (6) inside; Described direct-reduction iron reactor (8) is connected with surge tank (4) by pipeline B; Described direct-reduction iron reactor (8) is connected with drying cooling device (13) by pipeline C; Described drying cooling device (13) is connected with mass spectrometric detection instrument (16) by pipeline D.
2. device as claimed in claim 1, is characterized in that, the quartzy material that described direct-reduction iron reactor (8) is high temperature resistant high light transmittance; Described direct-reduction iron reactor (8) inner sleeve bottom arranges gas dispersion apparatus; Described direct-reduction iron reactor (8) inner sleeve and outer sleeve are communicated with by gas dispersion apparatus; Described direct-reduction iron reactor (8) inner sleeve top seals; The 3-10 that described direct-reduction iron reactor (8) bottom operating gas velocity is incipient fluidizing velocity doubly.
3. device as claimed in claim 1, is characterized in that, form (10) is set on described visual electrical heater (6); Described form (10) is quartzy material high temperature resistant, high light transmittance; Described form (10) is positioned at electric furnace constant temperature zone.
4. device as claimed in claim 1, is characterized in that, described device is connected by the surge tank connecting successively (4), direct-reduction iron reactor (6), drying cooling device (13) and mass spectrometric detection instrument (16).
5. device as claimed in claim 1, is characterized in that, described surge tank (4) bottom arranges the first reducing gas entrance (3); Unstripped gas (1) is connected by the first reducing gas entrance (3) of pipeline A and surge tank (4); Gas meter (2) is installed on pipeline A.
6. device as claimed in claim 1, is characterized in that, described surge tank (4) top arranges the first reducing gas outlet (5); Described the first reducing gas outlet (5) is connected with direct-reduction iron reactor (8) outer tube gas inlet (7) by pipeline B.
7. device as claimed in claim 1, is characterized in that, described direct-reduction iron reactor inner tube pneumatic outlet (9) is connected by the second reducing gas entrance (11) of pipeline C and drying cooling device (13).
8. device as claimed in claim 1, is characterized in that, described drying cooling device (13) top arranges the second reducing gas outlet (12); Described drying cooling device air outlet (12) is connected with gas inlet (15) by pipeline D; Filter tap (14) is set in the middle of described pipeline D; Described filter tap (14) is a kind of valve group that can process dusty gas.
9. device as claimed in claim 1, is characterized in that, described mass spectrometric detection instrument (16) is provided with tail gas outlet (17); Describedly by pipeline E, at exhaust port (19), burn or pass into stink cupboard; Stopping valve (18) is set in the middle of described pipeline E.
10. one kind is utilized device as claimed in claim 1, it is characterized in that, gas enters surge tank (4) by the first reducing gas entrance (3), through the first reducing gas outlet (5), enter outer tube gas inlet (7), the gas dispersion apparatus through inner tube bottom enters interior tube reaction; The second reducing gas entrance (11) that tail gas connects by inner tube pneumatic outlet (9) enters drying cooling device (13); Dry cooled gas exports by the second reducing gas the gas inlet (15) that (12) enter mass spectrometric detection instrument (16) after filter tap (14), mass spectrometric detection instrument (16) can detected gas composition, can obtain as calculated the reaction kinetics collection of illustrative plates of gas; Tail gas outlet (17) by mass spectrometric detection instrument (16) locates to light or pass into stink cupboard through stopping valve (18) at exhaust port (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804380.5U CN203846047U (en) | 2013-12-09 | 2013-12-09 | Online detection device for laboratorial gas-based directly-reduced iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804380.5U CN203846047U (en) | 2013-12-09 | 2013-12-09 | Online detection device for laboratorial gas-based directly-reduced iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846047U true CN203846047U (en) | 2014-09-24 |
Family
ID=51559085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804380.5U Expired - Lifetime CN203846047U (en) | 2013-12-09 | 2013-12-09 | Online detection device for laboratorial gas-based directly-reduced iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203846047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109136443A (en) * | 2018-10-31 | 2019-01-04 | 东北大学 | The prereduction rotary system experimental provision and its experimental method recycled for coal gas |
| CN112941262A (en) * | 2021-01-29 | 2021-06-11 | 钢铁研究总院 | Gas-based reduction simulation device and gas-based reduction simulation method |
-
2013
- 2013-12-09 CN CN201320804380.5U patent/CN203846047U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109136443A (en) * | 2018-10-31 | 2019-01-04 | 东北大学 | The prereduction rotary system experimental provision and its experimental method recycled for coal gas |
| CN112941262A (en) * | 2021-01-29 | 2021-06-11 | 钢铁研究总院 | Gas-based reduction simulation device and gas-based reduction simulation method |
| CN112941262B (en) * | 2021-01-29 | 2022-07-29 | 钢铁研究总院 | Gas-based reduction simulation device and gas-based reduction simulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102353763B (en) | Small simulation device for testing spontaneous combustion period of coal | |
| CN107844682B (en) | Converter gas component soft measurement method based on gas heat value and smoke component | |
| CN103375997B (en) | Method for regulating and controlling circulating flue-gas temperature and oxygen content | |
| CN103323273B (en) | A kind of method detecting power station boiler air pre-heater performance | |
| CN102393403B (en) | Device and method for detecting combustion characteristic of tail gas containing high-concentration CO | |
| CN108982683B (en) | Coal mine ventilation air methane introduced coal-fired boiler co-combustion oxidation analysis device and method | |
| CN202710524U (en) | Single combustion testing machine | |
| CN203846047U (en) | Online detection device for laboratorial gas-based directly-reduced iron | |
| CN204513798U (en) | A kind of Combustion of Hot Air Furnace control device | |
| CN102690072B (en) | On-line monitoring and controlling method for incomplete combustion carbides in cement production process | |
| CN206990271U (en) | A kind of automatic coal dust sampling system of boiler | |
| CN104089869B (en) | Filtrate corrosion simulated experiment device and method | |
| CN113218599A (en) | Measuring method for online detection of air leakage rate of sintering machine | |
| CN102230906A (en) | System and method for testing natural characteristic of coal powder | |
| CN111059896B (en) | exergy model-based roller kiln system anomaly detection method | |
| CN202297627U (en) | Test device of burning of pulverized coal for blast furnace injection | |
| CN104019859A (en) | Flow measurement system and method for draught fan without flowmeter | |
| CN104310308B (en) | A kind of Multi-function methanol cracking hydrogen production equipment | |
| CN201047813Y (en) | Sampling probe containing foreign gas | |
| CN114058838B (en) | Cold-state visual suspension roasting furnace test system and test method using ore particles | |
| CN212083295U (en) | Device for on-line measurement and calibration of heat content of high-temperature pyrolysis gas | |
| CN204039427U (en) | A kind of device measuring blast furnace injection rate of pulverized coal combustion | |
| CN104673329A (en) | Internal-heating type continuous carbonization method of biomass moving bed and internal-heating type continuous carbonization device of biomass moving bed | |
| CN210833002U (en) | Sintering machine air leakage rate real-time online monitoring system | |
| CN204536317U (en) | A kind of biomass gasification furnace gas humidity on-line measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |