CN207362271U - A kind of dial device for being used to improve blast furnace blower air feed reliability - Google Patents
A kind of dial device for being used to improve blast furnace blower air feed reliability Download PDFInfo
- Publication number
- CN207362271U CN207362271U CN201721357882.2U CN201721357882U CN207362271U CN 207362271 U CN207362271 U CN 207362271U CN 201721357882 U CN201721357882 U CN 201721357882U CN 207362271 U CN207362271 U CN 207362271U
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- China
- Prior art keywords
- blast furnaces
- blast
- wind
- wind turbine
- air outlet
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Abstract
The utility model discloses a kind of dial device for being used to improve blast furnace blower air feed reliability, wind turbine one is connected by ventilation duct with the air outlet of No. three blast furnaces and No. four blast furnaces, wind turbine two is connected by ventilation duct with the air outlet of No. three blast furnaces and No. four blast furnaces, wind turbine four is connected by ventilation duct with the air outlet of No. five blast furnaces and No. six blast furnaces, wind turbine five is connected by ventilation duct with the air outlet of No. five blast furnaces and No. six blast furnaces, wind turbine three passes through ventilation duct and No. three blast furnaces, No. four blast furnaces, the air outlet connection of No. five blast furnaces and No. six blast furnaces, No. three blast furnaces, No. four blast furnaces, wind turning pipeline is connected with each air outlet of No. five blast furnaces and No. six blast furnaces, four wind turning pipelines are connected with wind turning main pipe, four wind turning pipelines are equipped with quick-acting valve；The arrangement achieves mutually being dialled between 4 seat height stove main pipes, disconnected wind accident occurs for each blast furnace main pipe, and other main pipes can dial in corresponding cold wind for it.
Description
Technical field
The utility model is more particularly to a kind of dial device for being used to improve blast furnace blower air feed reliability.
Background technology
In smelter, blast furnace blower is responsible for the vital task blown to blast furnace.Can if air blast function is stablized
By work, meets the needs of blast furnace adjusts top pressure, then the capacity factor of a blast furnace will increase, and blast furnace casting amount can accordingly increase；Such as
Fruit blast furnace blower unexpected incidents caused by electric, instrument or machinery break down, it will cause blast-furnace tuyere pour
The serious accident of slag, can also cause blast furnace gas water conservancy diversion to cause to explode under extreme case, serious threat equipment and personal safety.
2000000 region 450m3The blast furnace blower station of blast furnace configuration, installs 5 electronic axial flow compressor sets, and wind turbine model is all
AV50-14, wind turbine are arranged using island.Wherein 1#, 2# wind turbine are 3#, 4# blast furnace air feed, and 4#, 5# wind turbine supply for 5#, 6# blast furnace
Wind, 3# wind turbines can be that four seat height stoves are blown as standby fan.Supply air system is using packet intercommunication blowing system（That is wind
One group of machine two, standby fan is connected with each group aid distributing pipe.Four every, seat height stoves it is ad hoc one air-supply main pipe, have three Fans it
Between can switch it is spare）.In separate unit blower fail, due to no corresponding back measure, corresponding blast furnace occurs to fill slag
Serious accident.After blast furnace fills slag, potential impact will be caused to the bulk life time of blast-furnace body.Existing electric blower technique is matched somebody with somebody
Put condition, it is impossible to the safe and stable operation of blast furnace is effectively ensured, is to cause the main reason for blast furnace fills slag serious accident occurs.
Utility model content
The utility model provides a kind of dial device for being used to improve blast furnace blower air feed reliability.
To meet above-mentioned purpose, technical solution adopted in the utility model is：
It is a kind of to be used to improving the dial device of blast furnace blower air feed reliability, including wind turbine one, wind turbine two, wind turbine three,
Wind turbine four, five, No. three blast furnaces of wind turbine, No. four blast furnaces, No. five blast furnaces and No. six blast furnaces, the wind turbine one pass through ventilation duct and No. three
The air outlet connection of blast furnace and No. four blast furnaces, wind turbine two are connected by ventilation duct with the air outlet of No. three blast furnaces and No. four blast furnaces,
Wind turbine four is connected by ventilation duct with the air outlet of No. five blast furnaces and No. six blast furnaces, wind turbine five by ventilation duct and No. five blast furnaces and
The air outlet connection of No. six blast furnaces, wind turbine three pass through ventilation duct and No. three blast furnaces, No. four blast furnaces, No. five blast furnaces and No. six blast furnaces
Air outlet connects, No. three blast furnaces, No. four blast furnaces, No. five blast furnaces and No. six blast furnaces each air outlet at be connected with wind turning pipe
Road, four wind turning pipelines are connected with wind turning main pipe, and four wind turning pipelines are equipped with quick-acting valve.
Preferably, the actuation time of four quick-acting valves is less than 1 second.
Preferably, the both ends of four quick-acting valves are equipped with manually-operated gate.
The beneficial effects of the utility model are：The arrangement achieves mutually being dialled between 4 seat height stove main pipes, each blast furnace is female
Disconnected wind accident occurs for pipe, and other main pipes can dial in corresponding cold wind for it；When blast furnace accident, blast furnace breaks wind to during recovering
Wind pressure is not less than 120kpa, and air quantity is not less than 600-700NM3/min；Consider that maintenance needs, two are installed before and after quick-acting valve
Platform manually-operated gate, can be with on-bne repair quick-acting valve.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
In figure：1. wind turbine one, 2. wind turbines two, 3. wind turbines three, 4. wind turbines four, 5. wind turbines five, 6. No. three blast furnaces, 7. No. four height
Stove, 8. No. five blast furnaces, 9. No. six blast furnaces, 10. wind turning pipelines, 11. wind turning main pipes, 12. quick-acting valves.
Embodiment
The utility model is described further with operation principle below in conjunction with the accompanying drawings：
A kind of dial device for being used to improve blast furnace blower air feed reliability as shown in Figure 1, including wind turbine 1, wind
Machine 22, wind turbine 33, wind turbine 44,7, No. five blast furnaces 8 of the blast furnace of blast furnace 6, four of wind turbine 55, three and No. six blast furnaces 9, the wind
Machine 1 is connected by ventilation duct with the air outlet of No. three blast furnaces 6 and No. four blast furnaces 7, and wind turbine 22 passes through ventilation duct and No. three blast furnaces
6 connect with the air outlet of No. four blast furnaces 7, and wind turbine 44 is connected by ventilation duct with the air outlet of No. five blast furnaces 8 and No. six blast furnaces 9,
Wind turbine 55 is connected by ventilation duct with the air outlet of No. five blast furnaces 8 and No. six blast furnaces 9, and wind turbine 33 passes through ventilation duct and No. three height
The blast furnace 8 of blast furnace 7, five of stove 6, four is connected with the air outlet of No. six blast furnaces 9, No. three blast furnaces 8 of blast furnace 7, five of blast furnace 6, four
With wind turning pipeline 10 is connected with each air outlet of No. six blast furnaces 9, four wind turning pipelines 10 are connected with wind turning main pipe 11, four dial
Wind pipeline 10 is equipped with quick-acting valve 12, and the actuation time of four quick-acting valves 12 is less than 1 second；Four quick-acting valves 12
Both ends be designed with manually-operated gate.
During work, when each blast furnace normally produces, all manually-operated gates are opened to position is reached, air dispensation system input is automatic.
When detecting that any unit breaks down, for system under abnormal condition, air dispensation control sends control signal, and four fast
Fast trigger valve 12 is opened, and operating unit wind turbine is blown to the corresponding blast furnace of failure unit at the same time by automatic fanning pipeline, is realized
When disconnected wind accident occurs for any one air supply duct, the air quantity that can obtain coming from other wind turning pipelines 11 is dialled in, and is reached
Four purposes mutually dialled, to ensure the minimum air output of this blast furnace, avoid occurring to fill slag accident.
Claims (3)
- A kind of 1. dial device for being used to improve blast furnace blower air feed reliability, it is characterised in that：Including wind turbine one（1）, wind Machine two（2）, wind turbine three（3）, wind turbine four（4）, wind turbine five（5）, No. three blast furnaces（6）, No. four blast furnaces（7）, No. five blast furnaces（8）With six Number blast furnace（9）, the wind turbine one（1）Pass through ventilation duct and No. three blast furnaces（6）With No. four blast furnaces（7）Air outlet connection, wind turbine Two（2）Pass through ventilation duct and No. three blast furnaces（6）With No. four blast furnaces（7）Air outlet connection, wind turbine four（4）Pass through ventilation duct and five Number blast furnace（8）With No. six blast furnaces（9）Air outlet connection, wind turbine five（5）Pass through ventilation duct and No. five blast furnaces（8）With No. six blast furnaces （9）Air outlet connection, wind turbine three（3）Pass through ventilation duct and No. three blast furnaces（6）, No. four blast furnaces（7）, No. five blast furnaces（8）With six Number blast furnace（9）Air outlet connection, No. three blast furnaces（6）, No. four blast furnaces（7）, No. five blast furnaces（8）With No. six blast furnaces（9）'s Wind turning pipeline is connected with each air outlet（10）, four wind turning pipelines（10）With wind turning main pipe（11）Connection, described in four Wind turning pipeline（10）It is equipped with quick-acting valve（12）.
- 2. a kind of dial device for being used to improve blast furnace blower air feed reliability according to claim 1, its feature exist In：Four quick-acting valves（12）Actuation time be less than 1 second.
- 3. a kind of dial device for being used to improve blast furnace blower air feed reliability according to claim 1 or 2, its feature It is：Four quick-acting valves（12）Both ends be equipped with manually-operated gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357882.2U CN207362271U (en) | 2017-10-20 | 2017-10-20 | A kind of dial device for being used to improve blast furnace blower air feed reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357882.2U CN207362271U (en) | 2017-10-20 | 2017-10-20 | A kind of dial device for being used to improve blast furnace blower air feed reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207362271U true CN207362271U (en) | 2018-05-15 |
Family
ID=62419848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357882.2U Expired - Fee Related CN207362271U (en) | 2017-10-20 | 2017-10-20 | A kind of dial device for being used to improve blast furnace blower air feed reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207362271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527760A (en) * | 2019-09-04 | 2019-12-03 | 北京京诚科林环保科技有限公司 | Blast furnace fan system and blast furnace air supply method |
-
2017
- 2017-10-20 CN CN201721357882.2U patent/CN207362271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527760A (en) * | 2019-09-04 | 2019-12-03 | 北京京诚科林环保科技有限公司 | Blast furnace fan system and blast furnace air supply method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20181020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |