CN210711607U - Blast furnace hot blast stove series device - Google Patents
Blast furnace hot blast stove series device Download PDFInfo
- Publication number
- CN210711607U CN210711607U CN201921438590.0U CN201921438590U CN210711607U CN 210711607 U CN210711607 U CN 210711607U CN 201921438590 U CN201921438590 U CN 201921438590U CN 210711607 U CN210711607 U CN 210711607U
- Authority
- CN
- China
- Prior art keywords
- hot blast
- hot
- same structure
- blast furnace
- blast
- 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.)
- Active
Links
Images
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a blast furnace hot blast stove series device, which comprises a fan room and an air inlet pipe, wherein the air inlet pipe is communicated with the fan room, a hot air structure is arranged on the air inlet pipe, and a controller is externally connected with the hot air structure; the hot air structure mainly comprises: the system comprises a fan, two gate valves with the same structure, two first communicating pipes with the same structure, three first hot blast stoves with the same structure, three first pipelines with the same structure, a first blast furnace, three second hot blast stoves with the same structure, three second pipelines with the same structure, a second blast furnace and three second communicating pipes with the same structure; the utility model relates to a blast furnace hot-blast stove series connection technical field, simple structure, the operation of being convenient for establishes ties each other, and the simple operation, when one of them hot-blast furnace breaks down, other hot-blast furnaces can continue normal operating, have maintained the stability of wind temperature, the staff's of being convenient for maintenance.
Description
Technical Field
The utility model relates to a blast furnace hot blast stove technical field specifically is a blast furnace hot blast stove tandem arrangement.
Background
The blast furnace uses steel plate as furnace shell, and refractory brick lining is built in the shell. Because of the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like of the blast furnace ironmaking technology, the iron produced by the method accounts for the vast majority of the total iron production in the world.
Hot blast stoves are heat power machines that have become an upgrading product for electric and traditional steam power heat sources in many industries.
Under the maximization and the high-pressure operation of blast furnace, the hot-blast furnace has become high-pressure vessel, be indispensable equipment, now, do not have the tandem equipment of blast furnace and hot-blast furnace, when the hot-blast furnace breaks down, can only close whole equipment and maintain, the production efficiency of blast furnace and hot-blast furnace has been reduced, when the samming valve or the exhaust valve of hot-blast furnace break down and can not open, just lead to its air supply system valve or combustion system valve to be unable to open, the hot-blast furnace will normally not be timely change over to air supply or burning, only can withdraw from hot-blast furnace group wait to handle, thereby lead to the required wind-temperature of blast furnace to descend by a wide margin, the capacity of blast furnace has been restricted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a blast furnace hot-blast stove tandem arrangement, the current tandem equipment who does not have blast furnace and hot-blast furnace has been solved, when the hot-blast furnace breaks down, can only turn off whole equipment and maintain, the production efficiency of blast furnace and hot-blast furnace has been reduced, when the samming valve or the pressure relief valve of hot-blast furnace break down and can not open, just lead to its air supply system valve or combustion system valve to be unable to open, the hot-blast furnace will normally not be timely change over to air supply or burning, only can withdraw from hot-blast furnace group's wait to handle, thereby lead to the required wind temperature of blast furnace to descend by a wide margin, the productivity effect scheduling problem of blast.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a blast furnace hot blast stove series device comprises a fan room and an air inlet pipe, wherein the air inlet pipe is communicated with the fan room, a hot blast structure is installed on the air inlet pipe, and a controller is externally connected with the hot blast structure;
the hot air structure mainly comprises: the system comprises a fan, two gate valves with the same structure, two first communicating pipes with the same structure, three first hot blast stoves with the same structure, three first pipelines with the same structure, a first blast furnace, three second hot blast stoves with the same structure, three second pipelines with the same structure, a second blast furnace, three second communicating pipes with the same structure, three pressure equalizing valves with the same structure, a plurality of smoke exhaust pipelines with different lengths, a plurality of smoke exhaust valves with the same structure, two induced draft fans with the same structure, a chimney and a plurality of control valves with the same structure;
the fan is arranged on the air inlet pipe, the two gate valves are respectively arranged on the air inlet pipe, the three first hot blast stoves with the same structure are mutually connected in series through one of the two first communication pipes, one of the three first hot blast stoves is connected to the air inlet pipe, the three first pipelines are respectively connected to the three first hot blast stoves, the first blast stove is connected to the three first pipelines, the three second hot blast stoves with the same structure are mutually connected in series through the other first communication pipe of the two first communication pipes, one of the three second hot blast stoves is connected to the air inlet pipe, the three second pipelines are respectively connected to the three second hot blast stoves, the second blast stove is connected to the three second hot blast stove pipelines, and one end of the smoke exhaust pipeline is communicated with one of the three first hot blast stoves, the other end of the three second communicating pipes are communicated with one of the three second hot blast stoves, the two ends of each of the three second communicating pipes are respectively connected to the three first hot blast stoves and the three second hot blast stoves, the three pressure equalizing valves are respectively arranged on the second communicating pipes, the smoke exhaust pipes with different sizes are respectively communicated with the three first hot blast stoves and the three second hot blast stoves, the induced draft fan is arranged on the smoke exhaust pipes with different sizes, the smoke exhaust valves are respectively arranged on the smoke exhaust pipes, the chimney is communicated with the smoke exhaust pipes with different sizes, and the control valves with the same structure are respectively arranged on the three first pipes, the three second pipes, the two first communicating pipes and the second communicating pipes.
Preferably, the bottoms of the three first hot blast stoves, the three second hot blast stoves, the first blast furnace and the second blast furnace are all provided with a supporting seat for supporting.
Preferably, the joints of the first communicating pipe, the second pipeline, the second communicating pipe, the second pipeline and the smoke exhaust pipeline with the first hot blast stove and the second hot blast stove are provided with rubber mats for heat insulation and sealing.
Preferably, the lower ends of the induced draft fan and the chimney are provided with supporting frames.
Preferably, the air inlet pipe is of a three-way structure.
Preferably, the smoke exhaust pipeline is of a three-way structure.
Advantageous effects
The utility model provides a blast furnace hot blast stove series connection device possesses following beneficial effect: simple structure, the operation of being convenient for, establish ties each other, the simple operation, when one of them hot-blast furnace breaks down, other hot-blast furnaces can continue normal operating, the stability of wind-warm syndrome has been maintained, the staff's of being convenient for maintenance, the effectual tandem equipment who does not have blast furnace and hot-blast furnace that has mentioned among the background art, when the hot-blast furnace breaks down, can only close whole equipment and maintain, the production efficiency of blast furnace and hot-blast furnace has been reduced, when the equalizing valve or the pressure relief valve of hot-blast furnace break down and can not open, just lead to its air supply system valve or combustion system valve can't open, the hot-blast furnace will not normally timely air supply change over into or the burning, only can withdraw from hot-blast furnace group and wait to handle, thereby lead to the required wind-warm syndrome of blast furnace and.
Drawings
Fig. 1 is a schematic structural view of a series connection device of a blast furnace hot blast stove of the present invention.
Fig. 2 is a front view of the series connection device of the blast furnace hot blast stove of the present invention.
Fig. 3 is a right side view of the series connection device of the blast furnace hot blast stove of the present invention.
In the figure: 1-a fan room; 2-an air inlet pipe; 3, a fan; 4-a gate valve; 5-a first communicating pipe; 6-a first hot blast stove; 7-a first conduit; 8-a first blast furnace; 9-a second hot blast stove; 10-a second conduit; 11-a second blast furnace; 12-a second communicating tube; 13-a pressure equalizing valve; 14-a smoke exhaust duct; 15-smoke exhaust valve; 16-a draught fan; 17-a chimney; 18-a control valve; 19-a controller; 20-a support seat; 21-support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a blast furnace hot blast stove series device.
Example (b): a blast furnace hot blast stove series device comprises a fan room 1 and an air inlet pipe 2, wherein the air inlet pipe 2 is communicated with the fan room 1, a hot blast structure is arranged on the air inlet pipe 2, and the hot blast structure is externally connected with a controller 19;
referring to fig. 1-3, in the specific implementation process, the hot air structure mainly includes: the system comprises a fan 3, two gate valves 4 with the same structure, two first communicating pipes 5 with the same structure, three first hot blast stoves 6 with the same structure, three first pipelines 7 with the same structure, a first blast furnace 8, three second hot blast stoves 9 with the same structure, three second pipelines 10 with the same structure, a second blast furnace 11, three second communicating pipes 12 with the same structure, three pressure equalizing valves 13 with the same structure, a plurality of smoke discharge pipelines 14 with different lengths, a plurality of smoke discharge valves 15 with the same structure, two induced draft fans 16 with the same structure, a chimney 17 and a plurality of control valves 18 with the same structure; the connection relationship is as follows:
the fan 3 is arranged on the air inlet pipe 2, the two gate valves 4 are respectively arranged on the air inlet pipe 2, three first hot blast stoves 6 with the same structure are mutually connected in series through one first communication pipe 5 of the two first communication pipes 5, one first hot blast stove 6 of the three first hot blast stoves 6 is connected on the air inlet pipe 2, the three first pipelines 7 are respectively connected on the three first hot blast stoves 6, the first blast stove 8 is connected on the three first pipelines 7, the three second hot blast stoves 9 with the same structure are mutually connected in series through the other first communication pipe 5 of the two first communication pipes 5, one second hot blast stove 9 of the three second hot blast stoves 9 is connected on the air inlet pipe 2, the three second pipelines 10 are respectively connected on the three second hot blast stoves 9, the second blast stove 11 is connected on the three second pipelines 10, one end of the smoke exhaust pipeline 14 is communicated on one first hot blast stove 6 of the three first hot blast stoves 6, the other end communicates on one of them second hot-blast furnace 9 of three second hot-blast furnace 9, the both ends of three second communicating pipe 12 are connected respectively on three first hot-blast furnace 6 and three second hot-blast furnace 9, three pressure equalizing valve 13 settles respectively on second communicating pipe 12, a plurality of discharge fume 14 different in size communicates respectively on three first hot-blast furnace 6 and three second hot-blast furnace 9, draught fan 16 settles on a plurality of discharge fume 14 different in size, a plurality of discharge fume valve 15 all settles on discharge fume 14, chimney 17 communicates in a plurality of discharge fume 14 different in size, the same control valve 18 of a plurality of structure all settles in three first pipeline 7, three second pipeline 10, two first communicating pipes 5 and second communicating pipe 12.
From the above general situation it follows that: firstly, the fan room 1 starts to supply air, because the three first hot blast stoves 6 and the three second hot blast stoves 9 are mutually connected through the first communicating pipe 5 and the second communicating pipe 12, the air enters the first hot blast stove 6 and the second hot blast stove 9 through the air inlet pipe 2, then, the first hot blast stove 6 and the second hot blast stove 9 convey the wind into the first blast furnace 8 and the second blast furnace 11 through the first pipeline 7 and the second pipeline 10, so that the first blast furnace 8 and the second blast furnace 11 work normally, because the fan 3 is arranged, the wind power is increased, the working efficiency of the first hot blast stove 6 and the second hot blast stove 9 is improved, and the staff can adjust the gate valve 4, the wind power is adjusted, and the low-pressure conveying cannot be realized due to the different pressures of the first hot blast stove 6 and the second hot blast stove, and the high-pressure is offset; the pressure equalizing valve 13 can be adjusted the pressure size of first hot-blast furnace 6 and second hot-blast furnace 9, realize the voltage-sharing state, when one of them first hot-blast furnace 6 or second hot-blast furnace 9 broke down, staff's accessible controller 19, control valve 18, make the control valve 18 of first hot-blast furnace 6 and second hot-blast furnace 9 that closes on the damage close to and close, in order to ensure other equipment normal work, control valve 18 makes and communicates with each other or isolated between each first hot-blast furnace 6 and the second hot-blast furnace 9, under the effect of draught fan 17 pressure, waste gas passes through exhaust pipe 14, then fall by chimney 18 discharge, finish repairing the trouble until the staff.
Preferably, the bottom of each of the three first hot blast stoves 6, the three second hot blast stoves 9, the first blast furnace 8 and the second blast furnace 11 is provided with a support base 20 for supporting.
Preferably, the joints of the first communicating pipe 5, the second pipeline 10, the second communicating pipe 12, the second pipeline 10 and the smoke exhaust pipeline 14 with the first hot blast stove 6 and the second hot blast stove 9 are provided with rubber pads for heat insulation and sealing.
Preferably, the induced draft fan 16 and the chimney 17 are provided with a support frame 21 at the lower end.
Preferably, the air inlet pipe 2 is a three-way structure.
Preferably, the smoke exhaust duct 14 is a three-way structure.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A blast furnace hot blast stove series device comprises a fan room (1) and an air inlet pipe (2), and is characterized in that the air inlet pipe (2) is communicated with the fan room (1), the air inlet pipe (2) is provided with a hot blast structure, and the hot blast structure is externally connected with a controller (19);
the hot air structure mainly comprises: the device comprises a fan (3), two gate valves (4) with the same structure, two first communication pipes (5) with the same structure, three first hot blast stoves (6) with the same structure, three first pipelines (7) with the same structure, a first blast furnace (8), three second hot blast stoves (9) with the same structure, three second pipelines (10) with the same structure, a second blast furnace (11), three second communication pipes (12) with the same structure, three pressure equalizing valves (13) with the same structure, a plurality of smoke discharge pipelines (14) with different lengths, a plurality of smoke discharge valves (15) with the same structure, two induced draft fans (16) with the same structure, a chimney (17) and a plurality of control valves (18) with the same structure;
the fan (3) is arranged on the air inlet pipe (2), the two gate valves (4) are respectively arranged on the air inlet pipe (2), the three first hot blast stoves (6) with the same structure are mutually connected in series through one first communication pipe (5) of the two first communication pipes (5), one first hot blast stove (6) of the three first hot blast stoves (6) is connected on the air inlet pipe (2), the three first pipelines (7) are respectively connected on the three first hot blast stoves (6), the first blast furnace (8) is connected on the three first pipelines (7), the three second hot blast stoves (9) with the same structure are mutually connected in series through the other first communication pipe (5) of the two first communication pipes (5), one second hot blast stove (9) of the three second hot blast stoves (9) is connected on the air inlet pipe (2), and the three second pipelines (10) are respectively connected on the three second hot blast stoves (9), the second blast furnace (11) is connected to three second pipelines (10), one end of the smoke exhaust pipeline (14) is communicated with one of the three first hot blast furnaces (6), the other end of the smoke exhaust pipeline (14) is communicated with one of the three second hot blast furnaces (9), two ends of the three second communicating pipes (12) are respectively connected to the three first hot blast furnaces (6) and the three second hot blast furnaces (9), the three pressure equalizing valves (13) are respectively arranged on the second communicating pipes (12), the smoke exhaust pipelines (14) with different lengths are respectively communicated with the three first hot blast furnaces (6) and the three second hot blast furnaces (9), the induced draft fan (16) is arranged on the smoke exhaust pipelines (14) with different lengths, and the smoke exhaust valves (15) are arranged on the smoke exhaust pipeline (14), the chimney (17) is communicated with a plurality of smoke exhaust pipelines (14) with different lengths, and the control valves (18) with the same structure are arranged on the three first pipelines (7), the three second pipelines (10), the two first communicating pipes (5) and the second communicating pipes (12).
2. A blast furnace and hot blast stove series arrangement according to claim 1, characterized in that the three first hot blast stoves (6), the three second hot blast stoves (9), the first blast furnace (8) and the second blast furnace (11) are each provided with a support base (20) for support at the bottom.
3. The blast furnace hot blast stove series arrangement according to claim 1, characterized in that the joints of the first communicating pipe (5), the second pipe (10), the second communicating pipe (12), the second pipe (10) and the smoke exhaust pipe (14) with the first hot blast stove (6) and the second hot blast stove (9) are provided with rubber mats for heat insulation and sealing.
4. The blast furnace hot blast stove series arrangement according to claim 1, characterized in that the induced draft fan (16) and the chimney (17) are provided with a support frame (21) at the lower end.
5. A blast furnace stove cascade arrangement according to claim 1, characterized in that the blast pipe (2) is of a three-way construction.
6. A blast furnace stove cascade arrangement according to claim 1, characterized in that the smoke exhaust duct (14) is of a three-way construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438590.0U CN210711607U (en) | 2019-08-30 | 2019-08-30 | Blast furnace hot blast stove series device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438590.0U CN210711607U (en) | 2019-08-30 | 2019-08-30 | Blast furnace hot blast stove series device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210711607U true CN210711607U (en) | 2020-06-09 |
Family
ID=70960845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921438590.0U Active CN210711607U (en) | 2019-08-30 | 2019-08-30 | Blast furnace hot blast stove series device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210711607U (en) |
-
2019
- 2019-08-30 CN CN201921438590.0U patent/CN210711607U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102042605B (en) | Side-to-side thermal deashing method for rotary air preheater | |
| CN216337762U (en) | Hot-blast furnace trades stove waste gas mutual pressurizing system | |
| CN204730682U (en) | A kind of sintering circular-cooler waste heat recovery cigarette wind apparatus | |
| CN104801174A (en) | Activated coke flue gas purification system | |
| CN203373366U (en) | Hot-blast stove system for achieving high blast temperature by only burning blast furnace | |
| CN109487024A (en) | Blast furnace gas and main air hose lead to net system | |
| CN210711607U (en) | Blast furnace hot blast stove series device | |
| CN213476025U (en) | Hot-blast stove heat supply system capable of recycling waste heat | |
| CN102410744B (en) | Waste heat comprehensive utilization system in aluminum profile production line | |
| CN109055641B (en) | Heat exchanger purging and ash removing system and method for recycling coal gas emitted by hot blast stove | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN203639488U (en) | Combined heat exchanger | |
| CN216049231U (en) | Low-temperature waste heat utilization coal-saving power generation device for cement plant | |
| CN209722189U (en) | Blast furnace gas and main air hose lead to net system | |
| CN210215150U (en) | Tempering furnace with heating power backflow function | |
| CN207501121U (en) | A kind of crossed configuration of more waste heat boilers | |
| CN202157087U (en) | High-efficiency electric furnace steel making system | |
| CN201753307U (en) | Combustion-supporting wind system for glass smelting kiln | |
| CN104359314B (en) | The energy-saving heating furnace system of a kind of Mist heat recovering and flue gas waste heat recovery method | |
| CN212179528U (en) | Hot air supply system using single hot-blast stove | |
| CN207831659U (en) | A kind of solar heat wind furnace | |
| CN204648668U (en) | A kind of glazed tiles processing hot-blast stove | |
| CN212688116U (en) | Three-network cross-linking operation system for inlet pipeline of converter gas pressurizing station | |
| CN203586847U (en) | Waste heat utilization device used for smoke in large flue of sintering machine | |
| CN218491667U (en) | Self-circulation utilization device for blast furnace gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |