CN203586172U - After-burning furnace for sintering machine waste heat boiler - Google Patents
After-burning furnace for sintering machine waste heat boiler Download PDFInfo
- Publication number
- CN203586172U CN203586172U CN201320641440.6U CN201320641440U CN203586172U CN 203586172 U CN203586172 U CN 203586172U CN 201320641440 U CN201320641440 U CN 201320641440U CN 203586172 U CN203586172 U CN 203586172U
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- sintering machine
- waste heat
- heat boiler
- machine waste
- 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 - Fee Related
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 relates to an after-burning furnace for a sintering machine waste heat boiler. The after-burning furnace for the sintering machine waste heat boiler is characterized by comprising an after-burning furnace body, a blower, an electric regulating butterfly valve, a fan inlet control damper, a flow hole board, an electric eccentric regulating butterfly valve, a secondary eccentric manual butterfly valve, an electric secondary eccentric butterfly valve, an open type electric eye valve, an electric rapid cut-off valve and a pneumatic rapid closing butterfly valve; the electric regulating butterfly valve, the fan inlet control damper, the flow hole board, the electric eccentric regulating butterfly valve and the secondary eccentric manual butterfly valve are sequentially connected through a ventilation pipeline; the electric secondary eccentric butterfly valve and the open type electric eye valve are connected through a ventilation pipeline; the electric eccentric regulating butterfly valve, the secondary eccentric manual butterfly valve and the pneumatic rapid closing butterfly valve are respectively connected with the after-burning furnace body. Compared with the prior art, the after-burning furnace for the sintering machine waste heat boiler raises the temperature of the air of an inlet of the sintering machine waste heat boiler and ensures that the sintering machine waste heat boiler operates under stable conditions, and therefore the purposes of increasing efficiency and saving energy are achieved.
Description
Technical field
At the utility model, relate to boiler and manufacture field, relate in particular to a kind of sintering machine waste heat boiler afterburning stove.
Background technology
Continuous increase along with global energy use amount, energy shortage has seriously restricted the requirement that expanding economy and people make the life better, iron and steel is major power consumer as special trade, country pays much attention to the energy consumption of the sector, each steel plant are in order to reduce costs in recent years, reduce energy consumption, all doing different work, the number of waste heat recovery, is effect as good? with regard to Cheng Liaoyige enterprise, whether can reduce costs, reduce the key of blowdown, sintering machine waste heat boiler is a kind of mode of steel mill's recovery waste heat, object is exactly energy-saving and emission-reduction, obtained in recent years national corresponding attention, characteristic due to sintering machine work, the hot blast producing has unstability, add the variation of environment temperature, the regional winter having and summer outdoor temperature differ 50-60 ℃, this just makes the sintering machine waste heat boiler can not stable operation, although sintering machine waste heat boiler has been installed by the steel mill having at present, by operation, find that sintering machine waste heat boiler fails to reach designing requirement.
Summary of the invention
Of the present inventionly provide a kind of sintering machine waste heat boiler afterburning stove, object is that to solve the hot blast that in existing sintering machine waste heat boiler technology, sintering machine produces unstable, causes the problem of sintering machine waste heat boiler fluctuation of service.
This sintering machine waste heat boiler afterburning stove of the present utility model is characterised in that: comprise afterburning furnace body, pressure fan, motorized adjustment butterfly valve, blower fan inlet adjusting air door, flow-through orifice, electronic eccentric adjusting butterfly valve, secondary eccentric Hand-operated butterfly valve, electronic secondary eccentric butterfly valve, the electronic eye valve of open type, electronic repid cut-off valve, pneumatic rapid cut-off butterfly valves; Wherein motorized adjustment butterfly valve, blower fan inlet adjusting air door, flow-through orifice, electronic eccentric adjusting butterfly valve, secondary eccentric Hand-operated butterfly valve are connected successively through ventilation shaft, electronic secondary eccentric butterfly valve is connected through ventilation shaft with the electronic eye valve of open type, and electronic eccentric adjusting butterfly valve, secondary eccentric Hand-operated butterfly valve, pneumatic rapid cut-off butterfly valves are connected with burner body respectively.
Described sintering machine waste heat boiler afterburning stove, for vertical insulated combustion chamber stove, be arranged in sintering machine waste heat boiler before, difference install combustion device in the both walls of bottom, two blast furnace gases that the external steel mill of burner coke oven produces, the high-temperature flue gas outlet that the burning of sintering machine waste heat boiler afterburning stove produces is joined with the hot air duct that the sintering machine work of sintering machine waste heat boiler import produces.
3-6 cold wind import respectively deployed in described both sides, sintering machine waste heat boiler afterburning stove top.
Operation principle of the present utility model is: the hot-air of discharging after the cooling grog of sintered clinker grate-cooler mixes with extraneous cold wind after regulating successively by various valves and passes into afterburning furnace body, the needed air of the normal operation of afterburning stove, a part is the hot blast that sintering machine work produces, another part is atmosphere, after two kinds of wind mix, supplies burner combustion.Blast furnace gas from plant area's main pipeline passes into the burning of afterburning furnace body after various valves regulate successively.The object of each valve is to regulate sintering machine waste heat boiler afterburning heater outlet temperature, to meet flow and the temperature of the required hot blast of sintering machine waste heat boiler, guarantees the normal operation of sintering machine waste heat boiler.
The utility model and prior art are compared, and its effect is actively with obvious:
1, can guarantee to improve the operating efficiency of sintering machine waste heat boiler and the stability of operation, under declared working condition, move, meet user's instructions for use, make sintering machine waste heat boiler just really bring into play its energy-saving and emission-reduction effect.
2, can guarantee quantity of steam and the operating pressure of sintering machine heat boiler outlet, alleviate the load of lower road equipment heating furnace, improve the operating efficiency of steam turbine, thereby reach synergy, energy-conservation object.
3, can improve secondary energy sources utilization ratio, reduce production costs, reduce energy resource consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, a sintering machine waste heat boiler afterburning stove, comprises interconnective afterburning furnace body 1, pressure fan 2, motorized adjustment butterfly valve 3, blower fan inlet adjusting air door 4, flow-through orifice 5, electronic eccentric adjusting butterfly valve 6, secondary eccentric Hand-operated butterfly valve 7, electronic secondary eccentric butterfly valve 8, the electronic eye valve 9 of open type, electronic repid cut-off valve 10, pneumatic rapid cut-off butterfly valves 11; Wherein motorized adjustment butterfly valve 3, blower fan inlet adjusting air door 4, flow-through orifice 5, electronic eccentric adjusting butterfly valve 6, secondary eccentric Hand-operated butterfly valve 7 are connected successively through ventilation shaft, electronic secondary eccentric butterfly valve 8 is connected through ventilation shaft with the electronic eye valve 9 of open type, and electronic eccentric adjusting butterfly valve 6, secondary eccentric Hand-operated butterfly valve 7, pneumatic rapid cut-off butterfly valves 11 are connected with burner body respectively.
Described sintering machine waste heat boiler afterburning stove, for vertical insulated combustion chamber stove, be arranged in sintering machine waste heat boiler before, difference install combustion device in the both walls of bottom, two blast furnace gases that the external steel mill of burner coke oven produces, the high-temperature flue gas outlet that the burning of sintering machine waste heat boiler afterburning stove produces is joined with the hot air duct that the sintering machine work of sintering machine waste heat boiler import produces.
3-6 cold wind import respectively deployed in described both sides, sintering machine waste heat boiler afterburning stove top.
The workflow of the present embodiment is: after the hot-air of discharging after the cooling grog of sintered clinker grate-cooler mixes with extraneous cold wind (the motorized adjustment butterfly valve on air duct regulates cold blast rate), through blower fan inlet adjusting air door, regulate that air quantity is laggard enters blower fan, by flow-through orifice, be divided into two-way, one tunnel is by flowing to 1 through electronic eccentric adjusting butterfly valve 6, secondary eccentric Hand-operated butterfly valve 7, after regulating again, electronic eccentric adjusting butterfly valve 6 is connected with two burner air interfaces, an other road is by flowing to 2 by electronic eccentric adjusting butterfly valve 6, after secondary eccentric Hand-operated butterfly valve 7 valve regulated, be connected with the Secondary Air interface of afterburning stove, blast furnace gas from plant area's main pipeline passes through electronic secondary eccentric butterfly valve 8 by flowing to 3, the electronic eye valve 9 of open type, the adjusting of electronic repid cut-off valve 10 all kinds of valves is evenly distributed on blast furnace gas subtube, pass through again electronic eccentric adjusting butterfly valve 6, secondary eccentric Hand-operated butterfly valve 7, the adjusting of pneumatic rapid cut-off butterfly valves 11 all kinds of valves is connected with the coal gas interface of burner, the fire box temperature of afterburning stove is controlled in 950 ℃, after the high-temperature flue gas that afterburning stove produces mixes with the hot-air of discharging after the cooling grog of sintered clinker grate-cooler, temperature is controlled at 400 ℃ with the interior sintering machine waste heat boiler that enters.During work, by regulating all kinds of valves, be mainly to control to enter sintering machine waste heat boiler hot blast rate and temperature, guarantee that sintering machine waste heat boiler moves under safety, stable operating mode.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (3)
1. a sintering machine waste heat boiler afterburning stove, is characterized in that: comprise afterburning furnace body, pressure fan, motorized adjustment butterfly valve, blower fan inlet adjusting air door, flow-through orifice, electronic eccentric adjusting butterfly valve, secondary eccentric Hand-operated butterfly valve, electronic secondary eccentric butterfly valve, the electronic eye valve of open type, electronic repid cut-off valve, pneumatic rapid cut-off butterfly valves; Wherein motorized adjustment butterfly valve, blower fan inlet adjusting air door, flow-through orifice, electronic eccentric adjusting butterfly valve, secondary eccentric Hand-operated butterfly valve are connected successively through ventilation shaft, electronic secondary eccentric butterfly valve is connected through ventilation shaft with the electronic eye valve of open type, and electronic eccentric adjusting butterfly valve, secondary eccentric Hand-operated butterfly valve, pneumatic rapid cut-off butterfly valves are connected with burner body respectively.
2. a kind of sintering machine waste heat boiler afterburning stove as claimed in claim 1, it is characterized in that: described afterburning furnace body is vertical insulated combustion chamber stove, be arranged in sintering machine waste heat boiler before, difference install combustion device in the both walls of bottom, two blast furnace gases that the external steel mill of burner coke oven produces, the high-temperature flue gas outlet that the burning of sintering machine waste heat boiler afterburning stove produces is joined with the hot air duct that the sintering machine work of sintering machine waste heat boiler import produces.
3. a kind of sintering machine waste heat boiler afterburning stove as claimed in claim 1, is characterized in that: 3-6 cold wind import respectively deployed in described both sides, sintering machine waste heat boiler afterburning stove top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641440.6U CN203586172U (en) | 2013-10-17 | 2013-10-17 | After-burning furnace for sintering machine waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641440.6U CN203586172U (en) | 2013-10-17 | 2013-10-17 | After-burning furnace for sintering machine waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203586172U true CN203586172U (en) | 2014-05-07 |
Family
ID=50584083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320641440.6U Expired - Fee Related CN203586172U (en) | 2013-10-17 | 2013-10-17 | After-burning furnace for sintering machine waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203586172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954374A (en) * | 2018-08-16 | 2018-12-07 | 哈尔滨锅炉厂有限责任公司 | Combined Cycle Heat Recovery Boiler afterburning wind system |
-
2013
- 2013-10-17 CN CN201320641440.6U patent/CN203586172U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954374A (en) * | 2018-08-16 | 2018-12-07 | 哈尔滨锅炉厂有限责任公司 | Combined Cycle Heat Recovery Boiler afterburning wind system |
| CN108954374B (en) * | 2018-08-16 | 2023-05-30 | 哈尔滨锅炉厂有限责任公司 | After-combustion air system of combined cycle waste heat boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103759258A (en) | Fuel-saving/gas-ignition stable-combustion low-nitrogen swirling pulverized coal combustor | |
| CN202284817U (en) | Energy-saving environment-friendly precise heat-supplying gas system | |
| CN206222294U (en) | A kind of flue gas recycling system | |
| CN205174787U (en) | Gas heating water heater of formula of burning by stage | |
| CN201724387U (en) | Heat exchange hot blast system for fuel gas | |
| CN203687075U (en) | Primary air system of coal mill of thermal power plant | |
| CN203586172U (en) | After-burning furnace for sintering machine waste heat boiler | |
| CN101334170A (en) | Coal-burning boiler heat primary air side road device | |
| CN201155919Y (en) | Cement rotary kiln using coal gas as fuel | |
| CN203824074U (en) | Hot air furnace with combustor at bottom | |
| CN203744534U (en) | Capacity varying indirect type flue-cured tobacco hot wind furnace | |
| CN203373367U (en) | Smoke waste-heat utilization system of hot blast furnace | |
| CN203718767U (en) | Oil/gas saving ignition stable-combustion low-nitrogen swirl pulverized coal burner | |
| CN203421712U (en) | Double-bed synchronous gas supply structure of updraught type fixed bed gasification furnaces | |
| CN106766172A (en) | A kind of efficient energy-saving gas heating wall-hanging furnace | |
| CN203586532U (en) | Hot water and steam co-production boiler device | |
| CN206291298U (en) | A kind of many backhaul gas fired-boilers of minitype vertical type | |
| CN104728857A (en) | Coal-fired boiler secondary air valve baffle control method based on burner heat loads | |
| CN211316234U (en) | Parallel combined air preheating system | |
| CN201155926Y (en) | Cement rotary kiln predecomposition furnace using coal gas as fuel | |
| CN204388118U (en) | A kind of heating furnace Combustion Process Control system | |
| CN103343976B (en) | A kind of method improving the heat primary air temperature of burning high-moisture coal boiler | |
| CN201331181Y (en) | Hot air blower | |
| CN204779362U (en) | Slay dried bean noodles drying prescription generating device | |
| CN205300025U (en) | Warm all -in -one of tall and big empty intercooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 200437, room 101, east 10, Fudan Science Park, No. 1018 Miyun Road, Shanghai, Yangpu District Patentee after: Wuxi Dongma Boiler Co., Ltd. Address before: 214135 Jiangsu Province, Wuxi City District Qingyuan Road Branch Park of University Science and technology park business floor area E Room 309 Patentee before: Wuxi Dongma Boiler Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |