CN106352666B - A kind of converter OG sludge prebake energy conserving system and its control method - Google Patents
A kind of converter OG sludge prebake energy conserving system and its control method Download PDFInfo
- Publication number
- CN106352666B CN106352666B CN201610687131.0A CN201610687131A CN106352666B CN 106352666 B CN106352666 B CN 106352666B CN 201610687131 A CN201610687131 A CN 201610687131A CN 106352666 B CN106352666 B CN 106352666B
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- Prior art keywords
- control valve
- electric control
- draught fan
- hot
- smoke
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention relates to a kind of converter OG sludge prebake energy conserving systems, belong to steel plant's iron content solid waste recycling automation field.A kind of converter OG sludge prebake energy conserving system, including sequentially connected hot-blast stove, smoke inlet electric control valve, thermal radiation plate, exhanst gas outlet electric control valve, deduster and smoke induced draught fan, the thermal radiation plate is set in OG mud sumps, the system also includes PLC controllers, the PLC controller respectively with hot-blast stove, smoke inlet electric control valve, thermal radiation plate, OG mud sumps, exhanst gas outlet electric control valve, deduster is connected with smoke induced draught fan, related data information for acquiring flue gas and OG mud, and control the work of smoke inlet electric control valve and exhanst gas outlet electric control valve.The present invention can reduce blocking failure in feed system caused by OG mud, reduce downtime, improve production capacity and production efficiency, while reducing the waste of the energy.
Description
Technical field
The present invention relates to steel plant's iron content solid wastes to recycle automation field, more particularly to a kind of converter OG sludge prebake section
It can system and its control method.
Background technology
OG mud is the generated second largest solid waste in steelmaking process, containing 50% ferro element in mud, is
A kind of of great value raw material of industry substitute can enter steel-making after drying pressure ball or ironmaking recycles.
Existing solidification disposal of waste center OG mud drum dry systems have very strong due to OG mud moisture 35% or so
Viscosity, the frequent blocking of feed system, causes OG mud blanking bin and rotary drum dryer stuck, artificial clear material is needed, when leading to failure
Between it is long, yield can not be promoted.
Invention content
It is an object of the invention in view of the above-mentioned problems, providing a kind of converter OG sludge prebake energy conserving system and its control
Method reduces blocking failure in feed system caused by OG mud, reduces downtime, improves production capacity and production efficiency, together
When reduce the waste of the energy.
The object of the present invention is achieved like this：
A kind of converter OG sludge prebake energy conserving system, which is characterized in that including sequentially connected hot-blast stove, smoke inlet electricity
Dynamic regulating valve, thermal radiation plate, exhanst gas outlet electric control valve, deduster and smoke induced draught fan, the thermal radiation plate are set to OG
In mud sump, the system also includes PLC controller, the PLC controller respectively with hot-blast stove, smoke inlet electric control valve,
Thermal radiation plate, OG mud sumps, exhanst gas outlet electric control valve, deduster are connected with smoke induced draught fan, for acquiring flue gas and OG mud
Related data information, and control the work of smoke inlet electric control valve and exhanst gas outlet electric control valve.
A kind of control method of converter OG sludge prebake energy conserving system, which is characterized in that include the following steps：
1) system brings into operation, and PLC controller obtains the operation data of hot-blast stove；
2) PLC controller analyzes the operation data of hot-blast stove, judges the operating status of hot-blast stove, including following point
Step：
If 2.1) hot-blast stove is in airport logistic park state, smoke inlet electric control valve and exhanst gas outlet motorized adjustment are set
The valve opening of valve；
2.2) if hot-blast stove is in load condition, return to step 1)；
3) PLC controller instruction smoke induced draught fan starts, and obtains the operation data of smoke induced draught fan；
4) PLC controller analyzes the operation data of smoke induced draught fan, judges the operating status of smoke induced draught fan, packet
Include it is following step by step：
If 4.1) smoke induced draught fan operation is in normal condition, smoke inlet electric control valve and exhanst gas outlet electricity are opened
Dynamic regulating valve；
4.2) if smoke induced draught fan operation is in abnormal condition, return to step 1).
Wherein, in the step 2.1), the setting of valve opening includes artificial setting and automatic setting.
Beneficial effects of the present invention are：The hot-blast stove when present invention can not only make full use of original rotary drum dryer zero load
Heat, and can be to OG mud prebake to moisture 20% hereinafter, the stickiness of OG mud is substantially reduced, by prebake
OG mud is again introduced into drum dry system, reduces the blocking failure of feed system caused by OG mud, reduces downtime, improves
Production capacity and production efficiency, while reducing the waste of the energy.
Description of the drawings
Fig. 1 is the structure diagram of converter OG sludge prebake energy conserving system.
Fig. 2 is the control flow chart of converter OG sludge prebake energy conserving system.
Specific implementation mode
With reference to specific embodiments and the drawings, the present invention is further explained.
As shown in Figure 1, a kind of converter OG sludge prebake energy conserving system, including sequentially connected hot-blast stove 1, smoke inlet electricity
Dynamic regulating valve 2, thermal radiation plate 3, exhanst gas outlet electric control valve 5, deduster 6 and smoke induced draught fan 7.Wherein, thermal radiation plate 3 is set
It is placed in OG mud sumps 4.The system also includes PLC controller 8, the PLC controller 8 is electric with hot-blast stove 1, smoke inlet respectively
Dynamic regulating valve 2, thermal radiation plate 3, OG mud sumps 4, exhanst gas outlet electric control valve 5, deduster 6 are connected with smoke induced draught fan 7, are used for
The related data information of flue gas and OG mud is acquired, and controls smoke inlet electric control valve 2 and exhanst gas outlet electric control valve 5
Work.
The course of work of the system is as follows：Under the instruction of PLC controller, hot-blast stove 1 burns coal gas to generate high temperature cigarette
Gas, these high-temperature flue gas are transported to by smoke inlet electric control valve 2 in thermal radiation plate 3, and high temperature cigarette is flowed into thermal radiation plate 3
High temperature is generated after gas, to evaporate the moisture of the OG mud for the prebake stacked in OG mud sumps.Deduster 6 in system is for filtering cigarette
Dust in gas, to ensure the recycling of flue gas；Smoke induced draught fan in system exchanges flue gas for recycling.
As shown in Fig. 2, above-mentioned converter OG sludge prebake energy conserving system is using automatically controlling, control method specifically include with
Lower step：
1) system brings into operation, and PLC controller obtains the operation data of hot-blast stove；
2) PLC controller analyzes the operation data of hot-blast stove, judges the operating status of hot-blast stove, including following point
Step：
If 2.1) hot-blast stove is in airport logistic park state, smoke inlet electric control valve and exhanst gas outlet motorized adjustment are set
The setting of the valve opening of valve, the valve opening includes artificial setting and automatic setting, and carrying out selection according to specific requirements makes
With；
2.2) if hot-blast stove is in load condition, return to step 1)；
3) PLC controller instruction smoke induced draught fan starts, and obtains the operation data of smoke induced draught fan；
4) PLC controller analyzes the operation data of smoke induced draught fan, judges the operating status of smoke induced draught fan, packet
Include it is following step by step：
If 4.1) smoke induced draught fan operation is in normal condition, smoke inlet electric control valve and exhanst gas outlet electricity are opened
Dynamic regulating valve；
4.2) if smoke induced draught fan operation is in abnormal condition, return to step 1).
Claims (3)
1. a kind of converter OG sludge prebake energy conserving system, which is characterized in that electronic including sequentially connected hot-blast stove, smoke inlet
Regulating valve, thermal radiation plate, exhanst gas outlet electric control valve, deduster and smoke induced draught fan, the thermal radiation plate are set to OG mud
Chi Zhong, the system also includes PLC controller, the PLC controller respectively with hot-blast stove, smoke inlet electric control valve, heat
Radiation fin, OG mud sumps, exhanst gas outlet electric control valve, deduster are connected with smoke induced draught fan, for acquiring flue gas and OG mud
Related data information, and control the work of smoke inlet electric control valve and exhanst gas outlet electric control valve.
2. the control method of system described in a kind of claim 1, which is characterized in that include the following steps：
1) system brings into operation, and PLC controller obtains the operation data of hot-blast stove；
2) PLC controller analyzes the operation data of hot-blast stove, judges the operating status of hot-blast stove, including following substep
Suddenly：
If 2.1), hot-blast stove is in airport logistic park state, sets smoke inlet electric control valve and exhanst gas outlet electric control valve
Valve opening；
2.2) if hot-blast stove is in load condition, return to step 1)；
3) PLC controller instruction smoke induced draught fan starts, and obtains the operation data of smoke induced draught fan；
4) PLC controller analyzes the operation data of smoke induced draught fan, judges the operating status of smoke induced draught fan, including with
Under step by step：
4.1) if smoke induced draught fan operation is in normal condition, smoke inlet electric control valve and exhanst gas outlet electric adjustable are opened
Save valve；
4.2) if smoke induced draught fan operation is in abnormal condition, return to step 1).
3. a kind of control method of converter OG sludge prebake energy conserving system according to claim 2, which is characterized in that described
In step 2.1), the setting of valve opening includes artificial setting and automatic setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687131.0A CN106352666B (en) | 2016-08-18 | 2016-08-18 | A kind of converter OG sludge prebake energy conserving system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687131.0A CN106352666B (en) | 2016-08-18 | 2016-08-18 | A kind of converter OG sludge prebake energy conserving system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106352666A CN106352666A (en) | 2017-01-25 |
| CN106352666B true CN106352666B (en) | 2018-10-19 |
Family
ID=57843398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610687131.0A Active CN106352666B (en) | 2016-08-18 | 2016-08-18 | A kind of converter OG sludge prebake energy conserving system and its control method |
Country Status (1)
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3513159A1 (en) * | 1985-04-12 | 1986-10-16 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Process and equipment for drying sludge |
| US5215670A (en) * | 1990-02-26 | 1993-06-01 | Bio Gro Systems, Inc. | Process of drying and pelletizing sludge in indirect dryer having recycled sweep air |
| US5069801A (en) * | 1990-02-26 | 1991-12-03 | Bio Gro Systems, Incorporated | Indirect heat drying and simultaneous pelletization of sludge |
| CN102875004B (en) * | 2011-05-27 | 2014-02-12 | 赵向东 | Sludge treatment system |
| CN103627897B (en) * | 2013-12-10 | 2015-09-23 | 攀钢集团攀枝花钢钒有限公司 | Rich iron cooled agglomerated pellet and manufacturing process thereof and purposes |
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2016
- 2016-08-18 CN CN201610687131.0A patent/CN106352666B/en active Active
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| CN106352666A (en) | 2017-01-25 |
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Effective date of registration: 20210113 Address after: 200441 room a006, 1st floor, building 1, 2816 Yixian Road, Baoshan District, Shanghai Patentee after: BAOWU GROUP ENVIRONMENT RESOURCE TECHNOLOGY Co.,Ltd. Address before: No. 889 Baoyang Road, Baoshan District, Shanghai, 20199 Patentee before: BAOSTEEL DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |