CN204039427U - A kind of device measuring blast furnace injection rate of pulverized coal combustion - Google Patents
A kind of device measuring blast furnace injection rate of pulverized coal combustion Download PDFInfo
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- CN204039427U CN204039427U CN201420249655.8U CN201420249655U CN204039427U CN 204039427 U CN204039427 U CN 204039427U CN 201420249655 U CN201420249655 U CN 201420249655U CN 204039427 U CN204039427 U CN 204039427U
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- temperature heater
- instrument
- blast furnace
- pulverized coal
- coal combustion
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Abstract
The utility model relates to a kind of device measuring blast furnace injection rate of pulverized coal combustion, comprises injection system, heating system, measuring system, dust-removal system; Described injection system, described measuring system are all connected with described heating system respectively with described dust-removal system; Described injection system comprises the bustle pipe with multiple powder hole of coalingging, described in coaling powder hole and described heating system inside pass through pipeline communication.Combustion position when can simulate pulverized coal injection in actual production better before air port, experimental result is more reliable.
Description
Technical field
The utility model relates to coal dust firing proofing unit, particularly a kind of device measuring blast furnace injection rate of pulverized coal combustion.
Background technology
If coal combustion rate is lower in pulverized coal injection process, coal dust firing is incomplete, and the carbon black particle of a large amount of unburned coal powder and generation leaves zone of combustion rising with coal gas and enters dropping zone, cohesive zone, even lump zone, makes troubles to blast furnace operating direct motion; The unburned coal powder be attached in a large number in furnace charge surface and hole makes coal gas be increased by resistance during stock column.A large amount of unburned coal powder is trapped in cohesive zone and dropping zone, easily causes the appearance of Concerning Flooding Phenomenon and the generation of blast furnace material suspension phenomenon; Therefore the coal combustion rate used to pulverized coal injection is needed to measure.
Coal combustion rate measuring apparatus conventional is at present all single-pipeline coal powder injection usually in the process of analog blast furnace coal powder injection, applicant finds to be multi-pipeline coal powder injection simultaneously in blast furnace actual production, therefore existing coal combustion rate measuring apparatus can not the situation of accurate simulation blast furnace actual production, has comparatively big error in the coal combustion rate therefore measured and actual production.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind of adopts multi-pipeline coal powder injection, and combustion position when can simulate pulverized coal injection in actual production better before air port, experimental result is more reliable.
For solving the problems of the technologies described above, the utility model provides a kind of device measuring blast furnace injection rate of pulverized coal combustion, comprises injection system, heating system, measuring system, dust-removal system; Described injection system, described measuring system are all connected with described heating system respectively with described dust-removal system; Described injection system comprises the bustle pipe with multiple powder hole of coalingging, described in coaling powder hole and described heating system inside pass through pipeline communication.
In technique scheme, described in coaling powder hole along bustle pipe spaced set, described in powder hole number of coalingging be at least three.
In technique scheme, described injection system also comprises primary air piping and secondary air channel, described heating system comprises tubular oven and high-temperature heater, described primary air piping is connected with described tubular oven, described tubular oven is communicated with by described primary air piping with described high-temperature heater, primary air piping between described tubular oven and described high-temperature heater is provided with magnetic valve, the sidewall of described high-temperature heater and tubular oven is equipped with thermopair, described secondary air channel is communicated with described bustle pipe, described bustle pipe is arranged in the middle part of described high-temperature heater shaft, described powder hole and the described heat furnace interior of coalingging passes through pipeline communication, described pipeline is equipped with magnetic valve.
In technique scheme, described measuring system comprises vacuum pumping pump, gas collects device and gas analyzer, high-temperature heater in described heating system is collected device by sidewall pipeline with described gas and is connected, described gas is collected device and is connected with described vacuum pumping pump, and described gas is collected device and is also connected with gas analyzer.
In technique scheme, described dust-removal system comprises gravitational precipitator, vacuum fan and ash bucket, described gravitational precipitator is connected by pipeline with the high-temperature heater bottom in described heating system, and described gravitational precipitator is also connected with the vacuum fan in dust-removal system; Described high-temperature heater lower furnace portion is connected with described ash bucket.
In technique scheme, also comprise computer and electrical control cabinet, electrical control cabinet comprises instrument, control panel and data collector, described control panel connects described instrument and described magnetic valve, described data collector and Instrument connection acquisition instrument data, described instrument is connected with described heating system, and described control panel is connected with the described magnetic valve in described injection system, and described computer is connected with described data collector.
In technique scheme, described instrument comprise be connected with tubular oven voltmeter, reometer, temperature control instrument and the voltmeter be connected with described high-temperature heater, reometer, temperature control instrument, also comprise the flow instrument of secondary air channel air quantity, the described temperature control instrument be connected with tubular oven is connected by going between with the thermopair in described tubular oven, the described temperature control instrument be connected with high-temperature heater is connected by going between with the described thermopair in described high-temperature heater, the flow instrument of described secondary air channel air quantity is connected with secondary air channel.
In technique scheme, described in powder hole of coalingging be communicated with by alundum tube with described heat furnace interior.
Combustion position before the air port of analog blast furnace well that the utility model provides, more exactly more different Blending coal combustion rate size or compare different grain size composition coal dust rate of combustion, perfect laboratory study means, for blast furnace injection coal blending structural adjustment provides better reference frame.
Accompanying drawing explanation
The structural representation of the device of the mensuration blast furnace injection rate of pulverized coal combustion that Fig. 1 provides for the utility model embodiment one.
The structural representation of the device of the mensuration blast furnace injection rate of pulverized coal combustion that Fig. 2 provides for the utility model embodiment two.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the present invention is described in detail.
Embodiment one
See Fig. 1, a kind of device measuring blast furnace injection rate of pulverized coal combustion that the utility model embodiment provides, comprises primary air piping 1, tubular oven 2, magnetic valve 3, high-temperature heater 4, bustle pipe 5, powder hole 6 of coalingging, secondary air channel 7, vacuum pumping pump 9, gas collection device 10, infrared gas analyzer 11, gravitational precipitator 12, vacuum fan 13, ash bucket 14;
Primary air piping 1 is connected with tubular oven 2, tubular oven 2 is communicated with by primary air piping 1 with high-temperature heater 4, primary air piping 1 between tubular oven 2 and high-temperature heater 4 is provided with magnetic valve 3, the sidewall of high-temperature heater 4 and tubular oven 2 is equipped with thermopair, described thermopair adopts double platinum rhodium thermopair, secondary air channel 7 is communicated with bustle pipe 5, bustle pipe 5 is arranged in the middle part of high-temperature heater 4 shaft, bustle pipe 5 is provided with four powder holes 6 of coalingging, powder hole 6 of coalingging is along bustle pipe 5 spaced set.Coaling powder hole 6 and high-temperature heater 4 inside by pipeline communication, and pipeline material is corundum, and pipeline is equipped with magnetic valve.
High-temperature heater 4 is collected device 10 by sidewall pipeline and gas and is connected, and gas is collected device 10 and is connected with vacuum pumping pump 9, and gas is collected device 10 and is also connected with infrared gas analyzer 11.
Gravitational precipitator 12 is connected by pipeline with high-temperature heater 4 bottom, and gravitational precipitator 12 is also connected with vacuum fan 13; High-temperature heater 4 lower furnace portion is connected with ash bucket 14.
The cold wind of primary air piping 1 enters tubular oven 2 and is heated to about 1100 DEG C, and heated by continuation after entering high-temperature heater 4 by the hot blast of tubular oven 2, fire box temperature can reach 1500 DEG C, High Temperature Furnaces Heating Apparatus burner hearth analog blast furnace air port.Tubular oven 2 adopts globars to be heating unit, and high-temperature heater 4 adopts Si-Mo rod heating element to be heating unit.The coal dust sample made is put into powder hole 6 of coalingging, powder hole 6 each position coal dust of coalingging can be sprayed into the burner hearth of high-temperature heater 4 by the winding-up wind of secondary air channel 7 simultaneously, the situation of multi-pipeline coal powder injection simultaneously in fine simulating reality blast furnace, coal injection and hot blast are subject to strong heat effect and burn in high-temperature heater 4.Gas is collected device 10 and the flue gas after burning is drawn from burner hearth, enters infrared gas analyzer 11.This infrared gas analyzer 11 can analyze O in flue gas
2, CO, NO, SO
2deng concentration.Each mensuration is complete, and gas can be collected in device 10 and be evacuated by vacuum pump 9.
Embodiment two
See Fig. 2, a kind of device measuring blast furnace injection rate of pulverized coal combustion that the utility model embodiment provides, comprises primary air piping 1, tubular oven 2, magnetic valve 3, high-temperature heater 4, bustle pipe 5, powder hole 6 of coalingging, secondary air channel 7, electrical control cabinet 8, vacuum pumping pump 9, gas collection device 10, infrared gas analyzer 11, gravitational precipitator 12, vacuum fan 13, ash bucket 14, computer 15;
Primary air piping 1 and tubular type add 9 hot stoves 2 and are connected, tubular oven 2 is communicated with by primary air piping 1 with high-temperature heater 4, primary air piping 1 between tubular oven 2 and high-temperature heater 4 is provided with magnetic valve 3, the sidewall of high-temperature heater 4 and tubular oven 2 is equipped with thermopair, described thermopair adopts double platinum rhodium thermopair, secondary air channel 7 is communicated with bustle pipe 5, bustle pipe 5 is arranged in the middle part of high-temperature heater 4 shaft, bustle pipe 5 is provided with four powder holes 6 of coalingging, powder hole 6 of coalingging is along bustle pipe 5 spaced set.Coaling powder hole 6 and high-temperature heater 4 inside by pipeline communication, and pipeline material is corundum, and pipeline is equipped with magnetic valve.
High-temperature heater 4 is collected device 10 by sidewall pipeline and gas and is connected, and gas is collected device 10 and is connected with vacuum pumping pump 9, and gas is collected device 10 and is also connected with infrared gas analyzer 11.
Gravitational precipitator 12 is connected by pipeline with high-temperature heater 4 bottom, and gravitational precipitator 12 is also connected with vacuum fan 13; High-temperature heater 4 lower furnace portion is connected with ash bucket 14.
Electrical control cabinet 8 comprises instrument, control panel and data collector, instrument comprise be connected with tubular oven 2 voltmeter, reometer, temperature control instrument and the voltmeter, reometer, the temperature control instrument that are connected with described high-temperature heater 4, also comprise the flow instrument of secondary air channel air quantity, the temperature control instrument be connected with tubular oven 2 is connected by going between with the thermopair in tubular oven 2, and lead-in wire is connected in the positive and negative terminals of temperature control instrument; The temperature control instrument be connected with high-temperature heater 4 is connected by going between with the thermopair in high-temperature heater, and lead-in wire is connected in the positive and negative terminals of temperature control instrument, and the flow instrument of secondary air channel air quantity is connected with secondary air channel, measures the air quantity of secondary air channel; The on-off control of instrument adjustment and magnetic valve can be carried out by control panel, data collector is connected image data with each instrument in electrical control cabinet 8 and infrared gas analyzer 11, data collecting system can send the test parameter collected to computer, so that later stage computer carries out statistical computation by ADAM-4017+ data acquisition module and ADAM4520 modular converter;
Owing to controlling the heating state of process furnace and the winding-up situation of winding-up wind by control panel is unified, therefore fast easy to adjust to test process, and computer is used for calculating by the unified data of collecting of data collecting system, eliminate the work of artificial counting, save manpower, it also avoid artificial counting and produce error.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. measure a device for blast furnace injection rate of pulverized coal combustion, it is characterized in that: comprise injection system, heating system, measuring system, dust-removal system; Described injection system, described measuring system are all connected with described heating system respectively with described dust-removal system; Described injection system comprises the bustle pipe (5) with multiple powder hole (6) of coalingging, described in coaling powder hole (6) and described heating system inside pass through pipeline communication.
2. the as claimed in claim 1 device measuring blast furnace injection rate of pulverized coal combustion, is characterized in that: described in coaling powder hole (6) along described bustle pipe (5) spaced set, described in powder hole (6) quantity of coalingging be at least three.
3. the device measuring blast furnace injection rate of pulverized coal combustion as claimed in claim 1, it is characterized in that: described injection system also comprises primary air piping (1) and secondary air channel (7), described heating system comprises tubular oven (2) and high-temperature heater (4), described primary air piping (1) is connected with described tubular oven (2), described tubular oven (2) is communicated with by described primary air piping (1) with described high-temperature heater (4), primary air piping (1) between described tubular oven (2) and described high-temperature heater (4) is provided with magnetic valve (3), the sidewall of described high-temperature heater (4) and tubular oven (2) is equipped with thermopair, described secondary air channel (7) is communicated with described bustle pipe (5), described bustle pipe (5) is arranged in the middle part of described high-temperature heater (4) shaft, pipeline communication is passed through in described powder hole (6) and described high-temperature heater (4) inside of coalingging, described pipeline is equipped with magnetic valve.
4. the device measuring blast furnace injection rate of pulverized coal combustion as claimed in claim 1, it is characterized in that: described measuring system comprises vacuum pumping pump (9), gas collects device (10) and infrared gas analyzer (11), high-temperature heater (4) in described heating system is collected device (10) by sidewall pipeline and described gas and is connected, described gas is collected device (10) and is connected with described vacuum pumping pump (9), and described gas is collected device (10) and is also connected with infrared gas analyzer (11).
5. the device measuring blast furnace injection rate of pulverized coal combustion as claimed in claim 1, it is characterized in that: described dust-removal system comprises gravitational precipitator (12), vacuum fan (13) and ash bucket (14), described gravitational precipitator (12) is connected by pipeline with high-temperature heater (4) bottom in described heating system, and described gravitational precipitator (12) is also connected with the vacuum fan (13) in dust-removal system; Described high-temperature heater (4) lower furnace portion is connected with described ash bucket (14).
6. the device measuring blast furnace injection rate of pulverized coal combustion as claimed in claim 3, it is characterized in that: also comprise computer (15) and electrical control cabinet (8), electrical control cabinet (8) comprises instrument, control panel and data collector, described control panel connects described instrument and described magnetic valve, described data collector and Instrument connection acquisition instrument data, described instrument is connected with described heating system, described control panel is connected with the described magnetic valve in described injection system, and described computer is connected with described data collector.
7. the device measuring blast furnace injection rate of pulverized coal combustion as claimed in claim 6, it is characterized in that: described instrument comprises the voltmeter be connected with tubular oven (2), reometer, temperature control instrument and the voltmeter be connected with described high-temperature heater (4), reometer, temperature control instrument, also comprise the flow instrument of secondary air channel air quantity, the described temperature control instrument be connected with tubular oven (2) is connected by going between with the thermopair in described tubular oven (2), the described temperature control instrument be connected with high-temperature heater (4) is connected by going between with the described thermopair in described high-temperature heater, the flow instrument of described secondary air channel air quantity is connected with secondary air channel (7).
8. the as claimed in claim 3 device measuring blast furnace injection rate of pulverized coal combustion, is characterized in that: described in coaling powder hole (6) and described high-temperature heater (4) is inner is communicated with by alundum tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249655.8U CN204039427U (en) | 2014-05-15 | 2014-05-15 | A kind of device measuring blast furnace injection rate of pulverized coal combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249655.8U CN204039427U (en) | 2014-05-15 | 2014-05-15 | A kind of device measuring blast furnace injection rate of pulverized coal combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204039427U true CN204039427U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420249655.8U Expired - Fee Related CN204039427U (en) | 2014-05-15 | 2014-05-15 | A kind of device measuring blast furnace injection rate of pulverized coal combustion |
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| CN (1) | CN204039427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546695A (en) * | 2016-10-17 | 2017-03-29 | 沈阳建筑大学 | Dry dust collection method tests coal combustion rate device and method |
| CN110484666A (en) * | 2019-07-30 | 2019-11-22 | 江苏省沙钢钢铁研究院有限公司 | A kind of device of cold-stat e simulation blast-furnace tuyere coal powder injection |
-
2014
- 2014-05-15 CN CN201420249655.8U patent/CN204039427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546695A (en) * | 2016-10-17 | 2017-03-29 | 沈阳建筑大学 | Dry dust collection method tests coal combustion rate device and method |
| CN110484666A (en) * | 2019-07-30 | 2019-11-22 | 江苏省沙钢钢铁研究院有限公司 | A kind of device of cold-stat e simulation blast-furnace tuyere coal powder injection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: SHOUGANG GROUP Co.,Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee before: SHOUGANG Corp. |
|
| 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: 20141224 |