CN106595309A - Sintering oxygen enrichment system - Google Patents
Sintering oxygen enrichment system Download PDFInfo
- Publication number
- CN106595309A CN106595309A CN201710033599.2A CN201710033599A CN106595309A CN 106595309 A CN106595309 A CN 106595309A CN 201710033599 A CN201710033599 A CN 201710033599A CN 106595309 A CN106595309 A CN 106595309A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- sintering
- valve
- enrichment system
- sinters
- 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.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 130
- 239000001301 oxygen Substances 0.000 title claims abstract description 130
- 238000005245 sintering Methods 0.000 title claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 230000005520 electrodynamics Effects 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 2
- 229910001882 dioxygen Inorganic materials 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 230000009471 action Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
- F27D2019/0043—Amount of air or O2 to the burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a sintering oxygen enrichment system. The sintering oxygen enrichment system comprises an oxygen production pressure adjusting station; medium-pressure oxygen is fed to a sintering factory through a pipe network after being adjusted the pressure by the oxygen production pressure adjusting station, and is conveyed to an oxygen adjusting valve through a pipe at the sintering factory; an oxygen flow meter is mounted in front of the oxygen adjusting valve; and then, the oxygen is conveyed to an oxygen quick cutting valve through a pipe, is conveyed to a gas mixer through a pipe, and is fed in two combustion assisting fans through pipes. The sintering oxygen enrichment system has the following beneficial effects: the sintering oxygen enrichment system facilitates to reduce the internal circulation reverse ore rate and increase the sintering yield, and can increase the sintering yield by above 10%; meanwhile, an oxygen-enriched ignition process is adopted to prominently improve the sintering ignition quality and to achieve obvious effects on increment of sintering ores, energy conservation and improvement of the product quality; and in addition, for sintering factories using blast furnace gas and difficult to obtain other calorific value gas to ignite, the oxygen-enriched ignition technology is adopted to also achieve prominent improvement effects.
Description
Technical field
The present invention relates to oxygen-enriched field is sintered, more particularly to a kind of sintering oxygen enrichment system.
Background technology
Sintering ignition is referred to and burns different components, varigrained fine ore, rich ore powder in large-scale iron and steel industry sintering plant
Form block, and partially remove a kind of technique of the objectionable impurities such as sulfur contained in Ore, phosphorus.Sintering ignition is generally required using high
Producer gas is used as fuel, and air mixed combustion in addition, and with the continuous development of sintering ignition technique, traditional sintering ignition exists
Some new problems are occurred in that during practice, such as the temperature of sintering ignition furnace is low, and ignition quality is poor, this not only shadow
Sinter quality is rung, and easily causes the quality of sintered products and be not sufficiently stable, it is therefore desirable to a kind of sintering oxygen enrichment system of design
To solve the above problems.
The content of the invention
The purpose of the present invention is that and provide a kind of sintering oxygen enrichment system in order to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
One kind sintering oxygen enrichment system, including Zhi Yang voltage regulating stations, middle pressure oxygen is sent after the Zhi Yang voltage regulating stations pressure regulation described in by pipe network
To sintering plant, in sintering plant by pipeline to oxygen regulating valve, tell and be equipped with the pipeline before oxygen regulating valve oxygen stream
Gauge, then by pipeline to oxygen cuts soon valve again, and the oxygen cuts soon valve by pipeline to blender, described mixed
Clutch connects two combustion fans by pipeline, and the combustion fan outlet conduit connects ignition furnace, combustion air described in oxygen Jing
Machine outlet conduit is entered in the ignition furnace, and on each described combustion fan outlet conduit oxygen content analyser is mounted on,
Enter the oxygen content of ignition furnace to monitor combustion air, the combustion fan is also electrically connected with current sensor, for detecting
State and whether have inside combustion fan electric current, the current sensor, the oxygen cut soon valve, the oxygen content analyser, institute
State oxygen regulating valve, the oxygen flow meter to electrically connect with control box, processor and controller are included in the control box with
And be embedded in the positive touch screen of the control chamber, the touch screen is electrically connected with the processor, the processor also with institute
State oxygen content analyser, tell oxygen flow meter, current sensor and the controller electrical connection, the controller also with institute
State oxygen regulating valve, the oxygen and cut valve electrical connection soon.
In order to further improve the practicality of sintering oxygen enrichment system, the oxygen cuts soon valve and cuts valve soon using electronic oxygen.
In order to further improve the practicality of sintering oxygen enrichment system, the oxygen regulating valve adopts electronic oxygen regulating valve.
In order to further improve the practicality of sintering oxygen enrichment system, the controller adopts electrodynamic valve controller.
In order to further improve the practicality of sintering oxygen enrichment system, the processor adopts digital signal processor.
In order to further improve the practicality of sintering oxygen enrichment system, the Zhi Yang voltage regulating stations deliver to the oxygen pressure of sintering plant
For 0.8mpa.
In order to further improve the practicality of sintering oxygen enrichment system, the oxygen pressure after the oxygen regulating valve is adjusted is
0.2mpa or so.
Beneficial effect is：Using the sintering oxygen enrichment system to reducing the anti-ore deposit rate of inner loop, improving sintering finished rate has
Profit, can make sintering output increase by more than 10%, meanwhile, using oxygen-enriched ignition technique, sintering ignition quality can be significantly improved, it is right
Sintering deposit volume increase, energy-conservation, improve product quality and have positive effect, additionally, for using blast furnace gas and being difficult to obtain other
It is also very notable using oxygen-enriched ignition technology improvement for the sintering plant of calorific value gas igniting.
Description of the drawings
Fig. 1 is a kind of structural representation of sintering oxygen enrichment system of the present invention；
Description of reference numerals is as follows：
1st, middle pressure oxygen；2nd, Zhi Yang voltage regulating stations；3rd, oxygen flow meter；4th, oxygen regulating valve；5th, oxygen cuts soon valve；6th, combustion air
Machine；7th, ignition furnace；8th, oxygen content analyser；9th, current sensor；10th, control box；11st, controller；12nd, processor；13rd, touch
Touch screen, 14, blender.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described：
As shown in figure 1, a kind of sintering oxygen enrichment system, including Zhi Yang voltage regulating stations 2, it is middle to press oxygen 1 to lead to Jing after the pressure regulation of Zhi Yang voltage regulating stations 2
Cross pipe network and deliver to sintering plant, oxygen is installed on the preceding pipeline of regulating valve 4 to oxygen regulating valve 4 by pipeline in sintering plant
Effusion meter 3, then by pipeline to oxygen cuts soon valve 5 again, and oxygen cuts soon valve 5 and connects blender 14 by pipeline, described
Blender 14 connects two combustion fans 6, the outlet conduit of combustion fan 6 connection ignition furnace 7, the outlet of oxygen Jing combustion fans 6
Road is entered in ignition furnace 7, oxygen content analyser 8 is mounted on each outlet conduit of combustion fan 6, to monitor combustion air
Enter the oxygen content of ignition furnace 7, combustion fan 6 is also electrically connected with current sensor 9, for whether detecting inside combustion fan 6
Have an electric current, current sensor 9, oxygen cut soon valve 5, oxygen content analyser 8, oxygen regulating valve 4, oxygen flow meter 3 with behaviour
Make case 10 to electrically connect, processor 12 and controller 11 included in control box 10 and the positive touch screen 13 of control chamber is embedded in,
Processor 12 is used to process the data letter of touch screen 13, oxygen content analyser 8, oxygen flow meter 3, the transmission of current sensor 9
Breath simultaneously sends control instruction according to data message to controller 11, and controller 11 is used to be controlled according to the control instruction of processor 12
Oxygen cuts soon valve 5, the action of oxygen regulating valve 4, and touch screen 13 is used to be used when seeing firer's manual operation control box 10, while being used for
The oxygen content and oxygen flow in the outlet conduit of combustion fan 6 is shown, touch screen 13 is electrically connected with processor 12, processor 12
Also electrically connect with oxygen content analyser 8, current sensor 9, oxygen flow meter 3 and controller 11, controller 11 is gone back and oxygen
Regulating valve 4, oxygen is cut soon valve 5 and is electrically connected.
In said structure, two work of combustion fan 6 adopt the using and the reserved, the oxygen installed on the outlet conduit of combustion fan 6
Gas content analyser 8 can real-time monitoring combustion air enter the oxygen content of ignition furnace 7 and detection data passed in real time process
Device 12 is processed, and when the oxygen content for detecting exceeds setting value, processor 12 sends control instruction, control to controller 11
Device 11 control oxygen cut soon the action of valve 5 close gas pipeline, it is ensured that the safety of ignition furnace 7, meanwhile, current sensor 9 can when
Carve detection two combustion fans 6 in current information and detection data is passed in real time processor 12, when any one it is combustion-supporting
When the power-off of blower fan 6 is shut down, current sensor 9 can't detect in combustion fan 6 has electric current to pass through, and processor 12 gives controller 11
Control instruction, the control oxygen of controller 11 is sent to cut valve 5 soon and close gas pipeline, it is ensured that the safety of ignition furnace 7, additionally, oxygen-enriched behaviour
Make by seeing that firer combines oxygen flow and adjust oxygen regulating valve 4 according to the situation of ignition furnace 7, oxygen flow is displayed in control box 10
On touch screen 13, the control box 10 for controlling oxygen regulating valve 4 is arranged near ignition furnace of sintering machine 7, is easy to see that firer operates, when
When needing to control 4 action of oxygen regulating valve, see that firer's operation touch-screen 13 is entered the operating instructions, processor 12 is according to touch screen 13
The operation information of the operator of transmission sends control instruction to controller 11, and controller 11 is according to instruction control oxygen regulating valve 4
Action.
In order to further improve the practicality of sintering oxygen enrichment system, oxygen cuts soon valve 5 and cuts valve, oxygen soon using electronic oxygen
Regulating valve 4 adopts electronic oxygen regulating valve, controller 11 to adopt electrodynamic valve controller, processor 12 to adopt Digital Signal Processing
Device, it is 0.8mpa that Zhi Yang voltage regulating stations 2 deliver to the oxygen pressure of sintering plant, and the oxygen pressure after the pressure regulation of oxygen pressure regulator valve 4 is
0.2mpa or so.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not restricted to the described embodiments, the original for simply illustrating the present invention described in above-described embodiment and description
Reason, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes and improvements
Both fall within scope of the claimed invention.The claimed scope of the invention is by appending claims and its Xiao Wu circle
It is fixed.
Claims (7)
- It is 1. a kind of to sinter oxygen enrichment system, it is characterised in that：Including Zhi Yang voltage regulating stations, Zhi Yang voltage regulating stations pressure regulation described in middle pressure oxygen Jing Afterwards sintering plant is delivered to by pipe network, tell and be provided with before oxygen regulating valve to oxygen regulating valve by pipeline in sintering plant Oxygen flow meter, then by pipeline cuts soon valve to oxygen again, then by pipeline to gas mixer, then by pipe Two combustion fans are sent in road, and the combustion fan outlet conduit connects ignition furnace, combustion fan outlet conduit described in oxygen Jing Into in the ignition furnace, oxygen content analyser is mounted on each described combustion fan outlet conduit, is helped to monitor Combustion wind enters the oxygen content of ignition furnace, and the combustion fan is also electrically connected with current sensor, for detecting the combustion fan Whether inside has electric current, and the current sensor, the oxygen are cut soon valve, the oxygen content analyser, the oxygen and adjusted Valve, the oxygen flow meter are electrically connected with control box, and processor and controller are included in the control box and institute is embedded in State the positive touch screen of control chamber, the touch screen is electrically connected with the processor, the processor also with the oxygen content Analyser, the effusion meter, the current sensor and controller electrical connection, the controller is also adjusted with the oxygen Valve, the oxygen cut soon valve electrical connection.
- 2. one kind according to claim 1 sinters oxygen enrichment system, it is characterised in that：The oxygen cuts soon valve using electronic oxygen Gas cuts soon valve.
- 3. one kind according to claim 1 sinters oxygen enrichment system, it is characterised in that：The oxygen regulating valve adopts electronic oxygen Gas regulating valve.
- 4. one kind according to claim 1 sinters oxygen enrichment system, it is characterised in that：The controller is using electrodynamic valve control Device.
- 5. one kind according to claim 1 sinters oxygen enrichment system, it is characterised in that：The processor is using at digital signal Reason device.
- 6. one kind according to claim 1 sinters oxygen enrichment system, it is characterised in that：The Zhi Yang voltage regulating stations deliver to sintering plant Oxygen pressure be 0.8mpa.
- 7. one kind according to claim 1 sinters oxygen enrichment system, it is characterised in that：Oxygen after the oxygen pressure regulator valve pressure regulation Atmospheric pressure is 0.2mpa or so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033599.2A CN106595309A (en) | 2017-01-17 | 2017-01-17 | Sintering oxygen enrichment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033599.2A CN106595309A (en) | 2017-01-17 | 2017-01-17 | Sintering oxygen enrichment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595309A true CN106595309A (en) | 2017-04-26 |
Family
ID=58585862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033599.2A Pending CN106595309A (en) | 2017-01-17 | 2017-01-17 | Sintering oxygen enrichment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595309A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436096A (en) * | 2017-08-04 | 2017-12-05 | 开封中新洁能科技有限公司 | Energy-conservation oxygen system for agglomerating plant |
| CN112410543A (en) * | 2020-12-07 | 2021-02-26 | 许玉蕊 | Sintering oxygen enrichment device |
| CN113566581A (en) * | 2021-07-27 | 2021-10-29 | 中冶长天国际工程有限责任公司 | Sintering oxygen supply and enrichment system with double oxygen supply pipelines and oxygen supply method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040231332A1 (en) * | 2003-03-19 | 2004-11-25 | Victor Saucedo | Real time optimization and control of oxygen enhanced boilers |
| CN101554995A (en) * | 2009-02-26 | 2009-10-14 | 珠海市奥吉赛科技有限公司 | Energy-saving air separation oxygenerator |
| CN201381284Y (en) * | 2009-04-24 | 2010-01-13 | 唐山三友化工股份有限公司 | Oxygen-enriched combustion supporting device of vertical mixture kiln |
| CN202719594U (en) * | 2012-07-17 | 2013-02-06 | 陕西华富新能源有限公司 | Fuel boiler |
| CN205174366U (en) * | 2015-11-11 | 2016-04-20 | 中冶南方工程技术有限公司 | System for gas boiler of iron and steel enterprise uses oxygen boosting burning |
| CN205823699U (en) * | 2016-06-15 | 2016-12-21 | 江苏永钢集团有限公司 | Oxygen-enriched air blast system before blast furnace blower machine |
| CN206459507U (en) * | 2017-01-17 | 2017-09-01 | 河北津西开兴节能科技股份有限公司 | One kind sintering oxygen enrichment system |
-
2017
- 2017-01-17 CN CN201710033599.2A patent/CN106595309A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040231332A1 (en) * | 2003-03-19 | 2004-11-25 | Victor Saucedo | Real time optimization and control of oxygen enhanced boilers |
| CN101554995A (en) * | 2009-02-26 | 2009-10-14 | 珠海市奥吉赛科技有限公司 | Energy-saving air separation oxygenerator |
| CN201381284Y (en) * | 2009-04-24 | 2010-01-13 | 唐山三友化工股份有限公司 | Oxygen-enriched combustion supporting device of vertical mixture kiln |
| CN202719594U (en) * | 2012-07-17 | 2013-02-06 | 陕西华富新能源有限公司 | Fuel boiler |
| CN205174366U (en) * | 2015-11-11 | 2016-04-20 | 中冶南方工程技术有限公司 | System for gas boiler of iron and steel enterprise uses oxygen boosting burning |
| CN205823699U (en) * | 2016-06-15 | 2016-12-21 | 江苏永钢集团有限公司 | Oxygen-enriched air blast system before blast furnace blower machine |
| CN206459507U (en) * | 2017-01-17 | 2017-09-01 | 河北津西开兴节能科技股份有限公司 | One kind sintering oxygen enrichment system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436096A (en) * | 2017-08-04 | 2017-12-05 | 开封中新洁能科技有限公司 | Energy-conservation oxygen system for agglomerating plant |
| CN112410543A (en) * | 2020-12-07 | 2021-02-26 | 许玉蕊 | Sintering oxygen enrichment device |
| CN113566581A (en) * | 2021-07-27 | 2021-10-29 | 中冶长天国际工程有限责任公司 | Sintering oxygen supply and enrichment system with double oxygen supply pipelines and oxygen supply method |
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