阅读说明：本技术 高炉风机系统及高炉供风方法 (Blast furnace blower system and blast furnace air supply method ) 是由 唐玉明 蔡发明 于 2019-09-04 设计创作，主要内容包括：本发明提供一种高炉风机系统及高炉供风方法,涉及冶金设备技术领域,该高炉风机系统包括两个以上的供风单元,每个供风单元能同时为一个高炉组供风,每个高炉组均包括两座以上的高炉,每个所述供风单元均包括两个以上的风机；每座高炉均连接有为其供风的送风主管道,每个风机分别与两个送风主管道相连通,每个风机同时为两个高炉供风；所述风机系统还包括有拨风装置,拨风装置包括多条拨风管道和多个拨风组件,每两座高炉的送风主管道之间分别通过拨风管道相连通,每条拨风管道上分别设置拨风组件,拨风组件控制其对应的拨风管道的连通和隔断。本发明提出一种高炉风机系统及高炉供风方法能够满足对高炉风机系统供风的调度灵活及安全可靠的要求。(The present invention provides a kind of blast furnace blower system and blast furnace air supply method, it is related to technical field of metallurgical equipment, the blast furnace blower system includes more than two wind-supply units, each wind-supply unit can be a blast furnace group air feed simultaneously, each blast furnace group includes two or more blast furnaces, and each wind-supply unit includes more than two blowers；The air-supply main pipeline that every seat height furnace is respectively connected with as its air feed, each blower are connected with two air-supply main pipelines respectively, and each blower is two blast furnace air feeds simultaneously；The blower fan system further includes having dial device, dial device includes a plurality of wind turning pipeline and multiple wind turning components, it is connected respectively by wind turning pipeline between the air-supply main pipeline of every two seat heights furnace, wind turning component is respectively set on every wind turning pipeline, wind turning component controls the connection and partition of its corresponding wind turning pipeline.The present invention proposes that a kind of blast furnace blower system and blast furnace air supply method can satisfy the flexible and safe and reliable requirement of the scheduling to blast furnace blower system air feed.)

1. a kind of blast furnace blower system, which is characterized in that the blast furnace blower system includes more than two wind-supply units, each Wind-supply unit can be simultaneously a blast furnace group air feed, and each blast furnace group includes two or more blast furnaces, each air feed list Member includes more than two blowers；

The air-supply main pipeline that every blast furnace is respectively connected with as its air feed, each blower respectively with it is more than two described Air-supply main pipeline is connected, and each blower can be described two or more blast furnace air feeds simultaneously；

The blast furnace blower system further includes having dial device, and the dial device includes a plurality of wind turning pipeline and multiple wind turning groups Part is connected between the air-supply main pipeline of every two blast furnaces respectively by the wind turning pipeline, every wind turning Be respectively set the wind turning component on pipeline, the wind turning component be used to control its corresponding wind turning pipeline connection and every It is disconnected.

2. blast furnace blower system as described in claim 1, which is characterized in that the blast furnace blower system further includes spare wind Machine, the standby fan are connected with each air-supply main pipeline respectively.

3. blast furnace blower system as described in claim 1, which is characterized in that the wind turning component includes first be connected in series Motor-driven valve, pneumatic operated valve and the second motor-driven valve.

4. blast furnace blower system as claimed in claim 3, which is characterized in that the dial device further includes control system, often First electric butterfly valve, the pneumatic operated valve and second electric butterfly valve in a wind turning component are with the control System electrical connection.

5. blast furnace blower system as claimed in claim 4, which is characterized in that the dial device further includes multiple pressure detectings Device is provided with a pressure detector, the pressure detector and the control system in each air-supply main pipeline Electrical connection.

6. blast furnace blower system as claimed in claim 4, which is characterized in that each blower is electric with the control system Connection.

7. blast furnace blower system as claimed in claim 3, which is characterized in that the opening and closing time of the pneumatic operated valve is less than or equal to 1 Second.

8. blast furnace blower system as claimed in claim 3, which is characterized in that the valve opening of first motor-driven valve and described The valve opening of second motor-driven valve is adjustable.

9. blast furnace blower system as described in claim 1, which is characterized in that be additionally provided on every wind turning pipeline a set of Compensator.

10. a kind of blast furnace air supply method is two using blast furnace blower system as in one of claimed in any of claims 1 to 9 Above blast furnace group air feed, which is characterized in that the air pressure drop in any one air-supply main pipeline is opened down to after predetermined value The wind turning component in the dynamic one or more wind turning pipeline being connected with the air-supply main pipeline, is beaten by the wind turning component Opening the corresponding wind turning pipeline is the air-supply main pipeline air feed.

Technical field

The present invention relates to technical field of metallurgical equipment, in particular to a kind of blast furnace blower system and blast furnace air supply method.

Background technique

In smelter, blast furnace blower is the key equipment of cold wind gas needed for smelting to Iron Works supply.It is high Furnace blower is responsible for the vital task blown to blast furnace, if the reliable and stable work of blower energy, meets blast furnace and adjusts furnace top pressure Demand, then the capacity factor of a blast furnace will will increase, and blast furnace casting amount can be increase accordingly；If blast furnace blower is due to electrical, instrument Or machinery breaks down emergency shutdown, and before being in blast furnace casting at this time, it will the major accident of air port tank slag is caused, extremely In the case of also will cause blast furnace gas refluence cause to explode, seriously threaten equipment and personal safety, while can cause to enterprise huge Big economic loss.

The uncertain factor as existing for Fan Equipment, annual such accident always have generation, seriously affect the life of blast furnace It produces.Thus it is guaranteed that air feed system can stable be the premise of normal, the safe and stable production of blast furnace to blast furnace air feed.

Currently, the major way to solve the above problems is to install dial device in blast furnace air feed system, when wherein one The blower of on-line operation break down can not air feed when, the part air quantity for the blower that another or several is operated normally is by dialling Wind devices are sent into failure blower and correspond to blast furnace.But valve transfer is often more complicated in existing dial device, and each blast furnace Operating parameter is frequently subjected to each fan operation parameter again to be influenced, and production run and control are unfavorable for；In addition, if reducing wind turning dress The quantity of middle valve is set, and the safe flexibility for often leading to dial device reduces, not can guarantee can to the safety of blast furnace air feed It leans on.

In consideration of it, the present inventor is according to the production design experience for being engaged in this field and related fields for many years, by trying repeatedly It tests and designs a kind of blast furnace blower system and blast furnace air supply method, it is of the existing technology to solve the problems, such as.

Summary of the invention

The purpose of the present invention is to provide a kind of blast furnace blower system and blast furnace air supply methods, can satisfy to blast furnace blower The flexible and safe and reliable requirement of the scheduling of system air feed.

In order to achieve the above objectives, the present invention proposes a kind of blast furnace blower system, wherein each wind-supply unit can be one simultaneously A blast furnace group air feed, each blast furnace group include two or more blast furnaces, and each wind-supply unit includes more than two Blower；The air-supply main pipeline that every blast furnace is respectively connected with as its air feed, each blower respectively with two air-supplies Main pipeline is connected, and each blower is two blast furnace air feeds simultaneously；The blast furnace blower system further includes having wind turning Device, the dial device include a plurality of wind turning pipeline and multiple wind turning components, the air-supply supervisor of every two blast furnaces It is connected respectively by the wind turning pipeline between road, the wind turning component is respectively set on every wind turning pipeline, it is described Wind turning component controls the connection and partition of its corresponding wind turning pipeline.

Blast furnace blower system as described above, wherein the blast furnace blower system further includes standby fan, the spare wind Machine is connected with each air-supply main pipeline respectively.

Blast furnace blower system as described above, wherein the wind turning component includes the first motor-driven valve being connected in series, pneumatic Valve and the second motor-driven valve.

Blast furnace blower system as described above, wherein the dial device further includes control system, each wind turning group First electric butterfly valve, the pneumatic operated valve and second electric butterfly valve in part are electrically connected with the control system.

Blast furnace blower system as described above, wherein the dial device further includes multiple pressure detectors, each described It is provided with a pressure detector in air-supply main pipeline, the pressure detector is electrically connected with the control system.

Blast furnace blower system as described above, wherein each blower is electrically connected with the control system.

Blast furnace blower system as described above, wherein the opening and closing time of the pneumatic operated valve is less than or equal to 1 second.

Blast furnace blower system as described above, wherein the valve opening of first motor-driven valve and second motor-driven valve Valve opening be adjustable.

Blast furnace blower system as described above, wherein be additionally provided with a set of compensator on every wind turning pipeline.

The present invention also proposes a kind of blast furnace air supply method, is more than two high using blast furnace blower system as described above Furnace group air feed, wherein the air pressure drop in any one air-supply main pipeline down to after predetermined value, be responsible for the air-supply by starting The wind turning component in the one or more connected wind turning pipeline of road opens corresponding described group by the wind turning component Air piping is the air-supply main pipeline air feed.

Compared with prior art, the invention has the characteristics that and advantage:

Blast furnace blower system proposed by the present invention and air supply method are respectively arranged with a wind turning between every two seat heights furnace Component can be realized the two-way wind turning between any two seat heights furnace, improve blast furnace blower system and its dial device wind turning Flexibility can adjust in time air supply mode according to practical condition.

Detailed description of the invention

Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention in any way It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding of the present invention, and It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can Implement the present invention to select various possible shapes and proportional sizes as the case may be.

Fig. 1 is the structural schematic diagram of blast furnace blower system proposed by the present invention；

Fig. 2 is the structural schematic diagram of one embodiment of the invention.

Description of symbols:

10,11,12,13,14, blast furnace；

20,21,22,23,24 blower；

30, dial device；

31, wind turning pipeline；

32, wind turning component；

321, the first motor-driven valve；

322, pneumatic operated valve；

323, the second motor-driven valve；

40, standby fan；

50, air-supply main pipeline；

100, blast furnace blower system.

Specific embodiment

With reference to the drawings and the description of the specific embodiments of the present invention, details of the invention can clearly be understood.But It is the specific embodiment of invention described herein, purpose for explaining only the invention, and cannot understand in any way At being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that based on any possible change of the invention Shape, these are regarded as belonging to the scope of the present invention.

As shown in Figure 1, the present invention proposes that a kind of blast furnace blower system 100, blast furnace blower system 100 include more than two Wind-supply unit, 10 air feed of blast furnace that each wind-supply unit is simultaneously two or more are provided with two or more in each wind-supply unit Blower (air blower) 20, the air-supply main pipeline 50 that every seat height furnace 10 is respectively connected with as its air feed, each blower 20 is respectively with two A air-supply main pipeline 50 is connected, and each blower 20 is two 10 air feeds of blast furnace simultaneously；Blast furnace blower system 100 further includes wind turning Device 30, dial device 30 have multiple wind turning pipelines 31 and multiple wind turning components 32, the air-supply main pipeline of every two seat heights furnace 10 It is connected respectively by a wind turning pipeline 31 between 50, is separately provided for controlling the wind turning pipe on every wind turning pipeline 31 The wind turning component 32 of the connection of road 31 or partition.

The present invention also proposes a kind of blast furnace air supply method, is the confession of more than two blast furnace groups using blast furnace blower system 100 Wind, wherein in the air pressure drop that any one is blown in main pipeline 50 down to after predetermined value, starting is connected with the air-supply main pipeline 50 One or more wind turning pipeline 31 in wind turning component 32, by the wind turning component 32 open corresponding wind turning pipeline 31 be should Air-supply main pipeline air feed 50.

In the present invention, it is interconnected respectively by wind turning pipeline 31 between the air-supply main pipeline 50 of every two seat heights furnace 10, When the blower (blower unit) of a certain seat height furnace 10 breaks down, which can be obtained some blower in remaining blast furnace Wind turning can be effectively prevented the disconnected wind of blast furnace, Slagging, coal gas and flow backwards, farthest reduces economic loss.And due to every two It is respectively arranged with a wind turning component 32 between blast furnace 10, can be realized the two-way wind turning between any two seat heights furnace 10, improves The flexibility of 30 wind turning of blast furnace blower system 100 and its dial device, can adjust in time air feed according to practical condition Mode.

Blast furnace blower system 100 proposed by the present invention and blast furnace air supply method are able to achieve more seat height furnaces 10, more Fans 20 Between two-way wind turning, to guarantee that blast furnace blower system 100 can be stable to each 10 air feed of seat height furnace, with realize blast furnace it is normal, Safe and stable production.

In the present invention, each blast furnace group may include two, three or more seat height furnaces 10, i.e., each wind-supply unit energy It enough while being two, three or more 10 air feeds of seat height furnace, the quantity and the wind-supply unit of the blower 20 in each wind-supply unit The quantity of corresponding blast furnace 10 is corresponding, and it can be all 10 air feeds of blast furnace that each blower, which may be implemented,.For example, each confession Wind unit as being simultaneously two seat height furnaces, 10 air feed, then the wind-supply unit include there are two blower 20, each blower 20 respectively with The air-supply main pipeline 50 of two seat height furnaces 10 is connected；Or each wind-supply unit is simultaneously three seat height furnaces, 10 air feed, the air feed list Member includes there are three blower 20, and each blower 20 is connected with the air-supply main pipeline 50 of three seat height furnaces 10 respectively；Again or each Wind-supply unit is four seat height furnaces, 10 air feed simultaneously, which includes four blowers 20, each blower 20 respectively with four seat heights The air-supply main pipeline 50 of furnace 10 is connected.In an optional example of the invention, 20 groups of two blowers of operation become one Wind-supply unit is simultaneously simultaneously two seat height furnaces, 10 air feed, i.e., dividing two blowers 20, two seat height furnaces 10 is one group, and each group presses intercommunication Connection, to constitute grouping intercommunication blowing system.Blast furnace blower system 100 proposed by the present invention and its dial device 30 can Meet the simple requirement of blast furnace wind distribution system setting, while being able to satisfy the requirement that scheduling is flexible and air feed is safe and reliable again.

In an optional example of the invention, blast furnace blower system 100 further includes standby fan 40, each air-supply supervisor Road 50 is connected with standby fan 40.In this way, standby fan 40 can be the independent air feed of every seat height furnace 10, it is further ensured that height By the normal operation of blower fan group 100.

In an optional example of the invention, wind turning component 32 includes the first motor-driven valve 321 being connected in series, pneumatic operated valve 322 and second motor-driven valve 323.Pneumatic operated valve 322 can fast opening and closing, to guarantee that wind turning component 32 can quickly control wind turning pipe The connection and partition in road 31, and then the blast furnace 10 to need carries out air feed in time, guarantees the normal operation of each seat height furnace 10.

In an optional example of the invention, dial device 30 further includes control system (not shown), each to dial The first motor-driven valve 321, pneumatic operated valve 322 and the second motor-driven valve 323 in wind component 32 are electrically connected to the control system.In this way, logical It crosses control system and becomes the opening and closing that can remotely control the first motor-driven valve 321, pneumatic operated valve 322 and the second motor-driven valve 323, improve work Efficiency reduces labor intensity.Certainly, the first motor-driven valve 321, pneumatic operated valve 322 and the second motor-driven valve 323 can also retain opens manually The function of closing, guarantee in emergency circumstances still can be by being operated manually.

In an optional example of the invention, dial device 30 further includes multiple pressure detector (not shown)s, It is provided with pressure detector in each air-supply main pipeline 50, pressure detector is electrically connected to the control system.Pressure detector is used Air pressure in measurement air-supply main pipeline 50, and the atmospheric pressure value that measurement obtains is timely transmitted to control system as electronic signals System, in this way, control system can start the wind turning component 32 preset in time when the air pressure in main pipeline 50 of blowing is too low For too low 50 wind turning of air-supply main pipeline of the air pressure, to guarantee that its corresponding blast furnace 10 can obtain enough cold wind, Jin Erbao Demonstrate,prove the normal operation of blast furnace.

In an optional example of the invention, each blower 20 is electrically connected to the control system.So as to control system energy Whether enough each blowers 20 of real-time monitoring run well；Standby fan 40 is also electrically connected to the control system.

In an optional example of the invention, pneumatic operated valve 322 is pneumatic quick opening valve, and the opening and closing time of pneumatic operated valve 322 is small In being equal to 1 second, so that pneumatic operated valve 322 can quickly control the connection and partition of wind turning pipeline 31, guarantee the normal air feed of blast furnace.

In an optional example of the invention, the valve of the valve opening of the first motor-driven valve 321 and the second motor-driven valve 323 Aperture is adjustable.First motor-driven valve 321 and the second motor-driven valve 323 all can be electric butterfly valve, the valve of the first motor-driven valve 321 Aperture and the valve opening of the second motor-driven valve 323 can be pre-set, after guaranteeing that pneumatic operated valve 322 is quickly opened, wind turning group Part 32 can be by the wind turning into corresponding air-supply main pipeline 50 of preset wind turning amount.Also, due to distinguishing before and after pneumatic operated valve 322 Provided with the first motor-driven valve 321 and the second motor-driven valve 322, so that wind turning component 32 had both been able to achieve two-way wind turning mode, it can also be real Now unidirectional wind turning mode.

In an optional example of the invention, a set of compensator is additionally provided on every wind turning pipeline 31 and (is not shown in figure Out).Compensator can choose existing bend pipe threeway compensator, and effect is extraction duct thermal walking.

Blast furnace blower system 100 proposed by the present invention and its dial device 30 are set respectively between every two seat heights furnace 10 It is equipped with a wind turning component 32, the two-way wind turning that can be realized between any two seat heights furnace 10 in actual production can basis Blast furnace, the different operating conditions of blower and other productions need to flexibly set the operating process of wind turning.Now in conjunction with attached drawing 2 and implementation Example one, embodiment two are described in detail.