CN201476605U - Control device for improving smoke gas temperature and smoke gas quantity for surplus-heat power generation of sintering machine - Google Patents
Control device for improving smoke gas temperature and smoke gas quantity for surplus-heat power generation of sintering machine Download PDFInfo
- Publication number
- CN201476605U CN201476605U CN2009202046714U CN200920204671U CN201476605U CN 201476605 U CN201476605 U CN 201476605U CN 2009202046714 U CN2009202046714 U CN 2009202046714U CN 200920204671 U CN200920204671 U CN 200920204671U CN 201476605 U CN201476605 U CN 201476605U
- Authority
- CN
- China
- Prior art keywords
- temperature
- belt
- cooling machine
- flue
- smoke gas
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a control device for improving the smoke gas temperature and the smoke gas quantity for surplus-heat power generation of a sintering machine. The data which is measured by a smoke gas temperature detector, a material-level detector and a motor rotation-speed detector is utilized to control the rotation speed of a belt cooling machine driving motor through a controller so as to control the running speed of a belt cooling machine and to ensure the minimum temperature of the smoke gas inside a high-temperature area smoke housing for satisfying the surplus-heat power generation; at the same time, the smoke gas inside a low-temperature area of the belt cooling machine is recycled and led out through a low-temperature smoke housing to be sent into an air chamber below the belt cooling machine high-temperature area smoke housing so as to be blown by a blower to be reheated, so the temperature of the smoke gas at the high-temperature area and the air inlet volume can be improved. The control device has the advantages that not only the smoke gas which is discharged from the low-temperature area can be utilized, but also the pollution caused by the exhaustion can be reduced, the high-temperature smoke gas can be obtained to improve the parameter of the steam which is produced by the surplus heat boiler, and the power generation quantity can also be improved.
Description
Technical field
The utility model relates to control device, especially relates to a kind of flue-gas temperature and the raising sintering machine cogeneration flue-gas temperature of air inflow and control device of exhaust gas volumn of improving in sintering machine cogeneration.
Background technology
In iron and steel enterprise, the sintering circuit energy consumption accounts for the 10-12% of total energy consumption, be only second to ironmaking and occupy second, the energy consumption index of China's SINTERING PRODUCTION is compared with advanced country, gap is bigger.Substantially, the average energy consumption of sintering deposit per ton will exceed 20kg mark coal.The combustion gas unit consumption of domestic advanced enterprise sintering circuit is generally 0.065GJ/t, and the index of advanced country has then reached 0.025-0.03GJ/t.
The gas sensible heat that SINTERING PRODUCTION is diffused in the atmosphere is 50% of a sintering overall heat consumption, and wherein the heat taken away of cooling machine waste gas accounts for about 30% of sintering total amount of heat, and it is the energy-conservation important channel of sintering plant that the waste heat of these gases is recycled.
Utilize sintering waste heat generating not need to consume primary energy, do not produce extra waste gas, waste residue, dust and other pernicious gas; Have make full use of low temperature waste gas, turn waste into wealth, the multiple meaning of environment purification: can reduce the sintering circuit energy consumption, promote resources conservation, reduce the energy consumption of unit output value, increase the benefit of enterprise, help the realization of Sustainable Development of Enterprises target again, the atmosphere pollution of the CO2 that minimizing is brought by conventional thermal power plant, SO2, NOX, dust and so on helps to improve local energy resource structure, improves energy security.
At present, the domestic high-temperature flue gas cogeneration that utilizes sintering deposit in cooling procedure, to produce, be to utilize sintering deposit to be fallen on the belt-cooling machine by surge bin, the air blast air-supply cooling below belt-cooling machine produces and is sent to waste heat boiler production steam-electric power after high-temperature flue gas is reclaimed by petticoat pipe.But along with belt-cooling machine moves forward, the temperature of the flue gas that produces is also just more and more lower, and therefore, only the flue gas that reclaims in the petticoat pipe of high-temperature region could be supplied with the waste heat boiler generating.In the prior art; because the speed of service of belt-cooling machine is constant; cause the in uneven thickness of the sintering deposit bed of material on the belt-cooling machine sometimes; make that the variations in temperature of the interior flue gas of high-temperature region petticoat pipe is very big; even cross the low cogeneration compressor emergency shutdown that forces because of flue-gas temperature, this is the existing in prior technology weak point.
Summary of the invention
The purpose of this utility model is exactly at the existing in prior technology deficiency, and the control device that guarantees fume high-temperature and air inflow in a kind of sintering waste heat generating is provided.
The utility model is to realize by following technical measures, improves the control device of sintering machine cogeneration flue-gas temperature and exhaust gas volumn.Comprise surge bin, belt-cooling machine, the belt-cooling machine drive motors, the high-temperature region petticoat pipe on belt-cooling machine top, the low-temperature space petticoat pipe on belt-cooling machine top and the belt-cooling machine air compartment and the air blast of belt-cooling machine bottom, be provided with Charge level measurer in the described surge bin, be provided with the flue-gas temperature detector in the described low-temperature space petticoat pipe, described belt-cooling machine drive motors is provided with the motor speed detector, at least one low-temperature space petticoat pipe adjacent with the high-temperature region petticoat pipe is connected the inlet of circulating fan by circulation smoke pipe and delivery valve, the outlet of circulating fan is connected to the belt-cooling machine air compartment by low-temperature flue gas inlet pipe and delivery valve, described motor speed detector, liquid level detector, the flue-gas temperature detector, transfer valve, delivery valve and belt-cooling machine drive motors are connected with controller by lead.
Described motor speed detector can adopt speed probe.
Described Charge level measurer can adopt linear position sensors.
Described flue-gas temperature detector can adopt thermocouple.
Described low-temperature flue gas inlet pipe is the belt-cooling machine air compartment that is connected near the high-temperature region petticoat pipe correspondence of low-temperature space.
Described transfer valve and delivery valve can adopt automatically controlled butterfly valve.
The utility model utilizes the flue-gas temperature detector, the data that Charge level measurer and motor speed detector record are by the rotating speed of controller control belt-cooling machine drive motors, thereby the speed of service of control belt-cooling machine, guarantee that the flue-gas temperature in the petticoat pipe of high-temperature region can satisfy the required minimum temperature of cogeneration, flue gas with the belt-cooling machine low-temperature space is reclaimed and is drawn by the low-temperature space petticoat pipe simultaneously, give in the air compartment corresponding under the petticoat pipe of belt-cooling machine high-temperature region and send into heating once more by air blast, improve the temperature and the intake of high-temperature region flue gas, guarantee that flue-gas temperature in the petticoat pipe of high-temperature region can satisfy in the required minimum temperature of cogeneration the flue gas that the belt-cooling machine low-temperature space is lower than 320 ℃ and be reclaimed by the low-temperature space petticoat pipe, draw from the low-temperature space petticoat pipe, give in the air compartment corresponding under the petticoat pipe of belt-cooling machine high-temperature region and send into heating once more by air blast, the temperature that improves the high-temperature region flue gas reaches about 400 ℃, this has not only utilized low-temperature space to want discharged flue gas, and can reduce the pollution that discharging causes, can obtain the steam parameter raising that high-temperature flue gas produces waste heat boiler again, the corresponding generated energy that also just improved.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
Improve the control device of sintering machine cogeneration flue-gas temperature and exhaust gas volumn, comprise surge bin 5, belt-cooling machine 7, belt-cooling machine drive motors 2, the high-temperature region petticoat pipe 9 on belt-cooling machine 7 tops, the belt-cooling machine air compartment 8 and the air blast 6 of the low-temperature space petticoat pipe 12 on belt-cooling machine 7 tops and belt-cooling machine 7 bottoms, in surge bin 5, be provided with linear position sensors 4, in low-temperature space petticoat pipe 12, be provided with thermocouple 11, belt-cooling machine drive motors 2 is provided with motor speed sensor 1, the low-temperature space petticoat pipe 12 adjacent with high-temperature region petticoat pipe 9 is connected the inlet of circulating fan 16 by circulation smoke pipe 13 and automatically controlled butterfly valve 14, the outlet of circulating fan 16 is connected to the belt-cooling machine air compartment 8 of high-temperature region petticoat pipe 9 correspondences of close low-temperature space by low-temperature flue gas inlet pipe 10 and automatically controlled butterfly valve 15, wherein speed probe 1, linear position sensors 4 and thermocouple 11 are connected the input port of controller 3 by lead, and controller 3 delivery outlets are connected with automatically controlled butterfly valve 14, automatically controlled butterfly valve 15 and belt-cooling machine drive motors 2.When sintering deposit enters surge bin 5, what of surge bin 5 interior sintering deposits are linear position sensors 4 detect, and with detected data-signal input controller 3, sintering deposit falls on the belt-cooling machine 7, belt-cooling machine 7 is operation forward under the driving of belt-cooling machine drive motors 2, belt-cooling machine drive motors 2 is provided with motor speed sensor 1, motor speed sensor 1 can detect motor speed and detected data-signal is imported controller 3, air blast 6 air-supply coolings below belt-cooling machine 7, produce high-temperature flue gas and be sent to waste heat boiler production steam-electric power by high-temperature region petticoat pipe 9, in low-temperature space petticoat pipe 12, be provided with simultaneously thermocouple 11, thermocouple 11 can detect in the low-temperature space petticoat pipe 12 temperature and with detected data-signal input controller 3, after controller 3 receives above data, compare computing with the model of establishing in it, thereby draw optimal scheme, delivery outlet by controller 3 flows to automatically controlled butterfly valve 14 with the data-signal of correspondence, automatically controlled butterfly valve 15 and belt-cooling machine drive motors 2, control automatically controlled butterfly valve 14, the folding degree of automatically controlled butterfly valve 15 and the speed of service of belt-cooling machine drive motors 2, thereby guaranteeing that when flue-gas temperature in high-temperature region petticoat pipe 9 can satisfy the required minimum temperature of cogeneration belt-cooling machine 7 low-temperature spaces being lower than 320 ℃ flue gas is reclaimed by low-temperature space petticoat pipe 12, draw from low-temperature space petticoat pipe 12, giving belt-cooling machine air compartment 8 interior being sent into once more by air blast 6 of 9 times correspondences of belt-cooling machine 7 high-temperature region petticoat pipes heats, the temperature that improves the high-temperature region flue gas reaches about 400 ℃, this has not only utilized low-temperature space to want discharged flue gas, and can reduce the pollution that discharging causes, can obtain the steam parameter raising that high-temperature flue gas produces waste heat boiler again, the corresponding generated energy that also just improved.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under the utility model principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (6)
1. improve the control device of sintering machine cogeneration flue-gas temperature and exhaust gas volumn, comprise surge bin (5), belt-cooling machine (7), belt-cooling machine drive motors (2), the high-temperature region petticoat pipe (9) on belt-cooling machine (7) top, the belt-cooling machine air compartment (8) of the low-temperature space petticoat pipe (12) on belt-cooling machine (7) top and belt-cooling machine (7) bottom and air blast (6), it is characterized in that: be provided with Charge level measurer (4) in the described surge bin (5), be provided with flue-gas temperature detector (11) in the described low-temperature space petticoat pipe (12), described belt-cooling machine drive motors (2) is provided with motor speed detector (1), at least one low-temperature space petticoat pipe (12) adjacent with high-temperature region petticoat pipe (9) is connected the inlet of circulating fan (16) by circulation smoke pipe (13) and delivery valve (14), the outlet of circulating fan (16) is connected to belt-cooling machine air compartment (8) by low-temperature flue gas inlet pipe (10) and delivery valve (15), described motor speed detector (1), Charge level measurer (4), flue-gas temperature detector (11), transfer valve (14), delivery valve (15) and belt-cooling machine drive motors (2) are connected with controller (3) by lead.
2. the control device of raising sintering machine cogeneration flue-gas temperature according to claim 1 and exhaust gas volumn is characterized in that: described motor speed detector (1) is a speed probe.
3. the control device of raising sintering machine cogeneration flue-gas temperature according to claim 1 and exhaust gas volumn is characterized in that: described Charge level measurer (4) is a linear position sensors.
4. the control device of raising sintering machine cogeneration flue-gas temperature according to claim 1 and exhaust gas volumn is characterized in that: described flue-gas temperature detector (11) is a thermocouple.
5. the control device of raising sintering machine cogeneration flue-gas temperature according to claim 1 and exhaust gas volumn is characterized in that: described low-temperature flue gas inlet pipe (10) is to be connected near the corresponding belt-cooling machine air compartment (8) of the high-temperature region petticoat pipe (9) of low-temperature space.
6. the control device of raising sintering machine cogeneration flue-gas temperature as claimed in claim 1 and exhaust gas volumn is characterized in that: described transfer valve (14) and delivery valve (15) all are automatically controlled butterfly valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202046714U CN201476605U (en) | 2009-09-11 | 2009-09-11 | Control device for improving smoke gas temperature and smoke gas quantity for surplus-heat power generation of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202046714U CN201476605U (en) | 2009-09-11 | 2009-09-11 | Control device for improving smoke gas temperature and smoke gas quantity for surplus-heat power generation of sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476605U true CN201476605U (en) | 2010-05-19 |
Family
ID=42412853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202046714U Expired - Lifetime CN201476605U (en) | 2009-09-11 | 2009-09-11 | Control device for improving smoke gas temperature and smoke gas quantity for surplus-heat power generation of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032797A (en) * | 2010-11-23 | 2011-04-27 | 北京世纪源博科技有限责任公司 | Enhanced heat exchange device for sinter of circular cooler |
| CN115560602A (en) * | 2022-10-21 | 2023-01-03 | 江苏省镔鑫钢铁集团有限公司 | Sintering system energy recovery system and control method thereof |
-
2009
- 2009-09-11 CN CN2009202046714U patent/CN201476605U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032797A (en) * | 2010-11-23 | 2011-04-27 | 北京世纪源博科技有限责任公司 | Enhanced heat exchange device for sinter of circular cooler |
| CN115560602A (en) * | 2022-10-21 | 2023-01-03 | 江苏省镔鑫钢铁集团有限公司 | Sintering system energy recovery system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101655319B (en) | System for regulating and optimizing smoke by power generation and recycle of residual heat of sintering ring cold machine | |
| CN102954478B (en) | A kind of dry Slagoff method of the wind and water combined cooling of pulverized-coal fired boiler and system | |
| CN201198771Y (en) | Steam compensating type steam turbine waste heat power generation system allocated with high-efficiency sintered double-pressure waste heat boiler | |
| CN101344360B (en) | CO2 circulating and coal gas compensation combustion type power generation method by sintered waste heat | |
| CN103133067A (en) | Steel-mill residual blast-furnace gas and residual saturated steam comprehensive utilization power generation system | |
| CN201218660Y (en) | Power generation apparatus by waste heat of sintering production | |
| CN206280938U (en) | A kind of energy-conserving and environment-protective biomass-burning steam boiler | |
| CN103615909A (en) | Hot air circulation sintering and sintering double-pressure waste heat utilizing system and method | |
| CN101694354B (en) | Combustion settling chamber of electric stove fume | |
| CN201476605U (en) | Control device for improving smoke gas temperature and smoke gas quantity for surplus-heat power generation of sintering machine | |
| CN103939158B (en) | A kind of low-order coal purification power generation system | |
| CN1991249A (en) | Electric furnace smelting heat recovery and utilization method | |
| CN101221019A (en) | Residual heat utilization device of sintering circular-cooler | |
| CN100394102C (en) | Pure smokeless, coal saving type heat transfer oil stove with external combustion and inner rotational flow | |
| CN102588986A (en) | Optimized boiler designing method based on air cooling dry slagging technology | |
| CN105180666A (en) | Single screw expander based power generation-heat supply combination system capable of recycling waste heat of exhaust gas of lime kiln | |
| CN102012057A (en) | Boiler heating device with organic heat carrier of high efficiency, energy saving, environmental protection and gas liquid two-phase | |
| CN101988804B (en) | Device and method for drying blast furnace ores and coke groove by recycling residual heat of circular cooler | |
| CN101482374A (en) | Power generation flue gas apparatus by using low-temperature vent gas waste heat of sintering cooler | |
| CN211120695U (en) | Waste heat power generation system utilizing waste heat of sintering circular cooler and blast furnace gas resource | |
| CN201386572Y (en) | Bi-circulating screw expansion power machine system utilizing working medium with low boiling point | |
| CN204665343U (en) | The oxygen content control system of coal-burning boiler | |
| CN207750970U (en) | A kind of biomass direct-fired flue gas coupled electricity-generation system | |
| CN207750114U (en) | A kind of low-temperature cogeneration device being vented using Landfill Gas Internal Combustion Engines | |
| CN103267349B (en) | Energy-saving boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |