CN201106056Y - Multifunctional multidirectional intelligent air supplying-dispensing device - Google Patents
Multifunctional multidirectional intelligent air supplying-dispensing device Download PDFInfo
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- CN201106056Y CN201106056Y CNU2007200880789U CN200720088078U CN201106056Y CN 201106056 Y CN201106056 Y CN 201106056Y CN U2007200880789 U CNU2007200880789 U CN U2007200880789U CN 200720088078 U CN200720088078 U CN 200720088078U CN 201106056 Y CN201106056 Y CN 201106056Y
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- wind turning
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Abstract
The utility model relates to an air supply and dispensation apparatus for a steelmaking blast furnace, in particular to a multi-functional and multiway intelligent air supply and dispensation apparatus which comprises two power blower units and a steam blower unit which are connected through an air dispensation pipe. The air supply and dispensation apparatus is characterized in that: the air dispensation pipe of the steam blower unit is connected between the air dispensation pipes of the two power blower units and air supply pipes are connected between the two power blower units and respectively connected with two more blasting devices of the steelmaking blast furnace. The air supply and dispensation apparatus not only realizes the protection of the air supply system of the steam blower unit on the power blower units, but also realizes mutual protection between different power blower unit stations with very low failure probability, thus restoring air supply and dispensation quickly for the blast furnace in case of the failure of a blower unit, ensuring very high air dispensation reliability and success rate, fully meeting the requirement of quick air dispensation for blast furnaces and preventing slag from going into the blast furnace.
Description
Technical field
What the utility model related to a kind of steel-making blast furnace send the wind turning device, and specifically a kind of multifunctional multiway intelligence is sent the wind turning device.
Background technology
The ventilation apparatus of the large and medium-sized iron-smelting blast furnace of China mainly is divided into two classes: a class is the steam-operating blower fan, and another kind of is electric fan.The characteristics of steam-operating blower fan are the equipment complexity, and are electrified, level of automation is lower, thus its when equipment failure takes place the probability of hard stop also just lower.Though also exist the blast furnace people that caused by blast furnace blowing engine shutdown suddenly to irritate the slag accident, this problem is still outstanding.Along with domestic blast furnace smelting technology constantly, iron-smelting blast furnace also constantly towards maximize, modern direction develops, and adapts with it, matching used blast furnace blowing engine also constantly develops towards the direction of maximization, motorized and automatization.The large and medium-sized blast furnace of China has generally been equipped the Large Electric blower fan now.The characteristics of electric fan are: the machine mechanical means of host machine part is tending towards oversimplifying, but its subsystem is particularly electric, control and securing system are then increasingly sophisticated.Stoppage protection develops into present tens by four, five of the steam engine epoch.Therefore, be subjected to the influence of electric, control and securing system, breaking down to shut down when its normal operation particularly is subjected to the emergency stop that influence caused of power network fluctuation just to become inevitable serious problems.Because the disorderly closedown of electric fan all has emergentness and Unpredictability, and disorderly closedown cause the blast furnace wind that break in can be surplus ten second, so this disorderly closedown all can cause very serious blast furnace filling slag accident.The blast furnace that this electric fan disorderly closedown is caused is irritated the slag accident becomes the serious hindrance that ironmaking is produced.Each iron and steel enterprise does not all have good solution to this both at home and abroad at present.Because shutting down, the emergency of electric motor often has emergentness and Unpredictability; generally within surplus in the of ten seconds, air feed pressure is reduced to below the 0.15MPa; therefore; can not take to open effective measure such as stand-by fan in advance and prevent the blast furnace wind that breaks, this will cause blast furnace that serious filling slag accident takes place.Granted publication day is on May 28th, 1997; Granted publication number is the two-way automatic wind turning device of the female pipe of a kind of blast furnace air feed for the utility model patent of CN2254892Y discloses; it have simple in structure, control advantage easily; though it can solve the disorderly closedown problem of blower fan, there is the not high shortcoming of coverage ratio in it.Therefore it can not adapt to the needs of modern extensive STEELMAKING PRODUCTION.
Summary of the invention
The purpose of this utility model is exactly a defective of sending the wind turning device at existing, provides a kind of multifunctional multiway intelligence to send the wind turning device, and it both can realize steam-driven blower air supply system guarantor motor fan, realized the mutual guarantor between the different motor fans station again.
The technical solution of the utility model is achieved in that it comprises two motor fan groups and a steam-driven blower group by the wind turning pipe coupling, it is characterized in that: the wind turning pipe coupling of steam-driven blower group is between the wind turning pipe of two motor fan groups, be connected with blast tube between between two motor fan groups, blast tube is connected with the air inlet device of two above steel-making blast furnaces respectively.Described motor fan group is made up of one or two motor fan; The first motor fan group is a motor fan, and the second motor fan group is made up of two motor fans; The motor fan of the described first motor fan group connects by the air inlet device of female Guan Yuyi steel-making blast furnace, and the air outlet of motor fan is equipped with non-return flap, on the female pipe control valve is housed; Be provided with an arm before the control valve of a described female pipe, arm and wind turning pipe coupling, an end of wind turning pipe is equipped with pneumatic wind turning valve and electronic wind turning valve by No. two female Guan Yuyi number female pipe coupling between No. two female Guan Yuyi number female pipe; No. three female pipes and No. four female Guan Jun of two motor fans of the described second motor fan group have three arms, and first arm is connected with blast tube, second arm and No. five female pipe coupling, and an end of No. five female pipes is connected with the air inlet device of a steel-making blast furnace; One end of described blast tube is connected behind the control valve on female pipe by being equipped with, the other end is equipped with behind electronic wind turning valve and two the pneumatic wind turning valves and No. five female pipe coupling successively, between two pneumatic wind turning valves an arm is arranged, arm is connected with behind the electronic wind turning valve and the wind turning pipe coupling.
The utility model both can have been realized steam-driven blower air supply system guarantor motor fan, realize the mutual guarantor between the different motor fans station again, the probability of fault is extremely low, standard-sized sheet wind turning valve when it selects for use the duplex steam-operating to discharge simultaneously, have and change down the pass function soon, wide-open time≤3S, analog blast furnace technology, satisfy the recovery after continuous wind of fault blast furnace that blower fan supplies and the wind turning fully, make wind turning confidence level and success ratio high, fully satisfy the requirement of the quick wind turning of blast furnace, stopped the generation of blast furnace filling slag accident.
Description of drawings
Fig. 1 structural representation of the present utility model
Embodiment
As shown in Figure 1, the utility model comprises by two motor fan groups 1 of wind turning pipe coupling and 2, and steam-driven blower group 3, the wind turning pipe coupling of steam-driven blower group 3 is between the wind turning pipe 4 of two motor fan groups 1 and 2, be connected with blast tube 5 between between two motor fan groups 1 and 2, blast tube 5 is connected with the air inlet device of two above steel-making blast furnaces respectively.Described motor fan group is made up of one or two motor fan; The first motor fan group 1 is a motor fan, and the second motor fan group 2 is made up of two motor fans; The motor fan of the described first motor fan group is connected with the air inlet device of a steel-making blast furnace by female pipe 6, and the air outlet of motor fan is equipped with 7, numbers mothers of non-return flap manages on 6 control valve 316 is housed; Be provided with an arm before the control valve of a described female pipe 6, arm is equipped with control valve 314 backs and is connected with wind turning pipe 4, one end of wind turning pipe 4 is connected with a female pipe 6 by No. two female pipes 8, between 8 and female pipes 6 of No. two female pipes pneumatic wind turning valve 9 and electronic wind turning valve 10 is housed; Two motor fans 11 of the described second motor fan group and 13 and No. four female pipes 14 of No. three female pipes of 12 all have three arms, first arm is equipped with control valve 416,426 backs respectively and is connected with blast tube 5, second arm is equipped with control valve 414,424 backs respectively and is connected with wind turning pipe 4, the 3rd arm is equipped with control valve 417,427 backs respectively and is connected with No. five female pipes 15, and an end of No. five female pipes 15 is connected with the air inlet device of a steel-making blast furnace; One end of described blast tube 5 is connected female the pipe on 6 No. one after control valve 43 is housed, the other end is equipped with electronic wind turning valve 45 successively and is connected with No. five female pipes 15 with two pneumatic wind turning valve 46,47 backs, between two pneumatic wind turning valves 46,47 arm is arranged, arm is connected with electronic wind turning valve 44 backs and is connected with wind turning pipe 4.
The utility model has following several wind turning modes:
A. machine operation of four air blast, when steam-driven blower is done the wind turning source, the electronic wind turning valve of 45# complete shut-down, the electronic wind turning valve of 44# standard-sized sheet, the automatic position of the pneumatic wind turning valve of 47# complete shut-down.
B. machine of four air blast operation, three, four air blast be each other during the wind turning source, the electronic wind turning valve of 44# complete shut-down, the electronic wind turning valve of 45# standard-sized sheet, the pneumatic wind turning valve of 46# standard-sized sheet, the automatic position of the pneumatic wind turning valve of 47# complete shut-down; 414# or 424# air-valve standard-sized sheet provide the wind turning source for three air blast simultaneously.
C. two machines of four air blast operation, each other during the wind turning source, the electronic wind turning valve of 44# complete shut-down, the electronic wind turning valve of 45# standard-sized sheet, the pneumatic wind turning valve of 46# standard-sized sheet, the automatic position of the pneumatic wind turning valve of 47# complete shut-down.
D. two machine operations of four air blast, when steam-driven blower is done the wind turning source, the electronic wind turning valve of 44#, 45# standard-sized sheet, the automatic position of the pneumatic wind turning valve of 47# complete shut-down,, the manual position of the pneumatic wind turning valve of 46# complete shut-down.
2) the air dispensation system function under the different wind turning modes:
A. machine operation of four air blast, when steam-driven blower is done the wind turning source, the running condition that multifunctional multiway intelligence is sent, air dispensation system can accurately be discerned any operation unit of four air blast, during blower unit generation catastrophic failure that assurance is in operation, open the wind turning valve accurately, timely, the wind regime of steam-driven blower is put into blast furnace;
B. machine operation of four air blast, three, four air blast are each other during the wind turning source, the air feed situation that multifunctional multiway intelligence is sent, air dispensation system can be controlled two blast furnaces comprehensively, the intelligent running status of judging two operation units, effectively the control failure condition is set aside the unlatching of air-valve, really realizes the function of two two-way wind turnings of blast furnace;
C. two machine operations of four air blast, each other during the wind turning source, the running condition that multifunctional multiway intelligence is sent, air dispensation system can intelligent be judged interior two units of our station institute, no matter that unit goes wrong, can both accurately, in time open the wind turning valve, really realize two dark standby functions of blast furnace blowing engine;
D. two machine operations of four air blast, when steam-driven blower is done the wind turning source, the wind regime that multifunctional multiway intelligence is sent, air dispensation system can two motor fans of timing monitoring and the wind regime of steam-driven blower, intelligentized electronic air blast and steam-operating air blast are effectively combined, effectively guarantee the safety in production of blast furnace;
E. multifunctional multiway intelligence is sent, air dispensation system design has special executive circuit, has realized the function of a wind turning valve of the common control of PLC of two units, and design has the faulty action preventing device, has improved effectively that multifunctional multiway intelligence is sent, the reliability of air dispensation system.
Claims (7)
1, a kind of multifunctional multiway intelligence is sent the wind turning device, it comprises two motor fan groups and a steam-driven blower group by the wind turning pipe coupling, it is characterized in that: the wind turning pipe coupling of steam-driven blower group is between the wind turning pipe of two motor fan groups, be connected with blast tube between between two motor fan groups, blast tube is connected with the air inlet device of two above steel-making blast furnaces respectively.
2, multifunctional multiway intelligence according to claim 1 is sent the wind turning device, it is characterized in that: described motor fan group is made up of one or two motor fan.
3, multifunctional multiway intelligence according to claim 1 is sent the wind turning device, it is characterized in that: the first motor fan group is a motor fan, and the second motor fan group is made up of two motor fans.
4, multifunctional multiway intelligence according to claim 3 is sent the wind turning device, it is characterized in that: the motor fan of the described first motor fan group connects by the air inlet device of female Guan Yuyi steel-making blast furnace, the air outlet of motor fan is equipped with non-return flap, on the female pipe control valve is housed.
5, multifunctional multiway intelligence according to claim 4 is sent the wind turning device, it is characterized in that: be provided with an arm before the control valve of a described female pipe, arm and wind turning pipe coupling, one end of wind turning pipe is equipped with pneumatic wind turning valve and electronic wind turning valve by No. two female Guan Yuyi number female pipe coupling between No. two female Guan Yuyi number female pipe.
6, multifunctional multiway intelligence according to claim 3 is sent the wind turning device, it is characterized in that: No. three female pipes and No. four female Guan Jun of two motor fans of the described second motor fan group have three arms, first arm is connected with blast tube, second arm and No. five female pipe coupling, an end of No. five female pipes is connected with the air inlet device of a steel-making blast furnace.
7, send the wind turning device according to claim 1 or 6 described multifunctional multiway intelligence, it is characterized in that: an end of described blast tube is connected behind the control valve on female pipe by being equipped with, the other end is equipped with behind electronic wind turning valve and two the pneumatic wind turning valves and No. five female pipe coupling successively, between two pneumatic wind turning valves an arm is arranged, arm is connected with behind the electronic wind turning valve and the wind turning pipe coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880789U CN201106056Y (en) | 2007-11-08 | 2007-11-08 | Multifunctional multidirectional intelligent air supplying-dispensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880789U CN201106056Y (en) | 2007-11-08 | 2007-11-08 | Multifunctional multidirectional intelligent air supplying-dispensing device |
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| Publication Number | Publication Date |
|---|---|
| CN201106056Y true CN201106056Y (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200880789U Expired - Fee Related CN201106056Y (en) | 2007-11-08 | 2007-11-08 | Multifunctional multidirectional intelligent air supplying-dispensing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337368A (en) * | 2011-10-21 | 2012-02-01 | 中冶南方工程技术有限公司 | Air dispensation control systems for air blowing systems of blast furnaces |
| CN102337367A (en) * | 2011-10-21 | 2012-02-01 | 中冶南方工程技术有限公司 | Air distributing control method for blast furnace blower system |
| CN103335325A (en) * | 2013-05-31 | 2013-10-02 | 广东电网公司电力科学研究院 | Linked draft device in desulfuration flue gas system of heat-engine plant and operation method of linked draft device |
-
2007
- 2007-11-08 CN CNU2007200880789U patent/CN201106056Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337368A (en) * | 2011-10-21 | 2012-02-01 | 中冶南方工程技术有限公司 | Air dispensation control systems for air blowing systems of blast furnaces |
| CN102337367A (en) * | 2011-10-21 | 2012-02-01 | 中冶南方工程技术有限公司 | Air distributing control method for blast furnace blower system |
| CN102337367B (en) * | 2011-10-21 | 2014-07-02 | 中冶南方工程技术有限公司 | Air distributing control method for blast furnace blower system |
| CN103335325A (en) * | 2013-05-31 | 2013-10-02 | 广东电网公司电力科学研究院 | Linked draft device in desulfuration flue gas system of heat-engine plant and operation method of linked draft device |
| CN103335325B (en) * | 2013-05-31 | 2015-09-16 | 广东电网公司电力科学研究院 | Coordinated type blower unit in heat-engine plant desulfurized flue gas system and method for operating thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20141108 |
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| EXPY | Termination of patent right or utility model |