CN205774635U - A kind of converter oxygen gun recirculating cooling water system - Google Patents
A kind of converter oxygen gun recirculating cooling water system Download PDFInfo
- Publication number
- CN205774635U CN205774635U CN201620674322.9U CN201620674322U CN205774635U CN 205774635 U CN205774635 U CN 205774635U CN 201620674322 U CN201620674322 U CN 201620674322U CN 205774635 U CN205774635 U CN 205774635U
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- water
- converter
- butterfly valve
- cooling
- oxygen
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- 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
- Y02P10/20—Recycling
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Abstract
The utility model discloses a kind of converter oxygen gun recirculating cooling water system saving pump energy consumption, including open type variable circulation cooling water system cooling tower, water cooling pond, circulating pump, converter and be installed on the outlet non-return valve of correspondence position on pipeline, exit butterfly valve, outlet gate valve, oxygen rifle regulation valve and cooling tower on tower butterfly valve, be in turn connected to form open circulating water system.Compared with existing converter oxygen gun recirculating cooling water system, this utility model have employed converter and the water pump matched, current converter oxygen gun recirculating cooling water system is designed as speed change system by single full speed running system, can effectively reduce the lift required for oxygen rifle water circulating pump and flow, thus effectively reduce oxygen rifle water circulating pump energy requirements.
Description
Technical field
This utility model belongs to circulating water system optimization field of energy-saving technology, a kind of energy-conservation converter oxygen gun
Recirculating cooling water system.
Background technology
Converter oxygen gun recirculating cooling water system is applied to steelmaking converter device district of steel plant.Oxygen rifle circulation is as work
An important auxiliary facility in skill production process, is transported to cooling water in converter oxygen gun water collar by water circulating pump, will
Oxygen rifle is during pneumatic steelmaking oxygen blast, owing to slag is to the heat transfer of oxygen rifle, the radiant heat transfer of furnace wall and the biography of splashing molten drop
The heat that the torrid zone is come is taken away, and delivers to cooling tower and air heat exchange, forms the circulation of a set of open type.Converter steelmaking process
Include several stages such as blanking, blowing, terminal point control, deoxidation tapping, slag splashing, deslagging.The smelting cycle of pneumatic steelmaking
Being about 30 minutes, wherein oxygen blow duration is usually 12-18 minute.During traditional pump station of recirculation water design according to oxygen blast during
Desirable pressure and the water yield determine water pump nominal parameter.No matter during being also non-smelting during Ye Lianing, water supply pumping plant is all made to transport at full speed
OK.Pump motor is all made total head full speed running for 24 hours and is caused the waste of mass energy.
Therefore, for drawbacks described above present in currently available technology, it is necessary to study, to provide a kind of energy-conservation
Control system, it is achieved the energy consumption of circulation water pump reduces.
Utility model content
For solving the problems referred to above, this utility model provides a kind of system reducing oxygen rifle circulating cooling water pump energy consumption, uses
In current converter oxygen gun recirculating cooling water system is designed as variable-frequency speed-adjusting energy-saving system by single full speed running system.
For achieving the above object, the technical solution of the utility model is:
A kind of converter oxygen gun recirculating cooling water system, including oxygen rifle unit and cooling tower unit, described oxygen rifle unit and cold
But tower unit is connected by inlet pipeline and outlet conduit, and described oxygen rifle unit includes main oxygen gun water-cooling set and secondary oxygen gun water-cooling
Set, the entrance point of described main oxygen gun water-cooling set is provided with the first butterfly valve, and the port of export is provided with main oxygen rifle regulation valve and the second butterfly valve, described
The entrance point of secondary oxygen gun water-cooling set is provided with the 3rd butterfly valve, and the port of export is provided with secondary oxygen rifle regulation valve and the 4th butterfly valve;
Described cooling tower unit includes the first cooling tower, the second cooling tower and water cooling pond, the import of described first cooling tower
End is provided with the 5th butterfly valve, and the entrance point of the second cooling tower is provided with the 6th butterfly valve；The port of export of described water cooling pond is provided with first passage
And second channel, described first passage is sequentially provided with the 7th butterfly valve, the first circulating pump, the first check-valves, the 8th butterfly valve and
One gate valve, described second channel is sequentially provided with the 9th butterfly valve, the second circulating pump, the second check-valves, the tenth butterfly valve and the second lock
Valve；
Also include that converter, described converter connect described first circulating pump and the second circulating pump respectively.
Compared with existing converter oxygen gun recirculating cooling water system, this utility model have employed converter and the water matched
Pump, is designed as speed change system by current converter oxygen gun recirculating cooling water system by single full speed running system.Of the present utility model
Recirculating cooling water system, pressure enough needed for each cycle 12-18 minute oxygen blast when both having met Converter Oxigen Blowing and the water yield, also meet
During each cycle 18-12 minute non-oxygen blast, the circular flow demand of water crossed by oxygen rifle, can effectively reduce required for oxygen rifle water circulating pump
Lift and flow, thus effectively reduce oxygen rifle water circulating pump energy requirements.
Accompanying drawing explanation
Fig. 1 is the example structure schematic diagram of converter oxygen gun recirculating cooling water system of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
On the contrary, this utility model contain any be defined by the claims do in spirit and scope of the present utility model
Replacement, amendment, equivalent method and scheme.In order to make the public that this utility model to be had a better understanding, below to this practicality
During novel details describes, detailed describe some specific detail sections.Do not have these thin for a person skilled in the art
The description of joint part can also understand this utility model completely.
Accompanying drawing 1 gives a specific embodiment of converter oxygen gun recirculating cooling water system of the present utility model, including oxygen
Rifle unit and cooling tower unit, both are connected by inlet pipeline 102 and outlet conduit 101, constitute cooling water recirculation system.
Concrete, oxygen rifle unit includes main oxygen gun water-cooling set 9a and the pair oxygen gun water-cooling set being respectively arranged on major-minor oxygen rifle
9b.The pipeline of main oxygen gun water-cooling set 9a entrance point is provided with the first butterfly valve 8a, and the pipeline of the port of export is provided with main oxygen rifle regulation valve
10a and the second butterfly valve 11a.Same, the pipeline of secondary oxygen gun water-cooling set 9b entrance point is provided with the 3rd butterfly valve 8b, the pipe of the port of export
Road is provided with secondary oxygen rifle regulation valve 10b and the 4th butterfly valve 11b.
On the other hand, cooling tower unit includes the first cooling tower 1a, the second cooling tower 1b and water cooling pond 2.Wherein, first is cold
But the entrance point of tower 1a and the second cooling tower 1b is respectively equipped with the 5th butterfly valve 12a and the 6th butterfly valve 12b.The outlet of water cooling pond 2 is right
Answer two passes, wherein, first passage is sequentially provided with the 7th butterfly valve 3a, the first circulating pump 4a, the first check-valves 5a, the 8th butterfly
Valve 6a and the first gate valve 7a；The 9th butterfly valve 3b, the second circulating pump 4b, the second check-valves 5b it is sequentially provided with on second channel, the tenth
Butterfly valve 6b and the second gate valve 7b.
In order to realize water pump different working modes during smelting and during non-smelting, circulating cooling of the present utility model
Water system also includes converter 13, and this converter 13 connects the first circulating pump 4a and the second circulating pump 4b respectively.Thus by existing
Converter oxygen gun recirculating cooling water system be designed as variable-frequency speed-adjusting energy-saving system by single full speed running system.
By above technical scheme, according to produced on-site situation oxygen blast, the operating frequency of non-oxygen blow duration recycling water formulation pump
Rate, can reduce rotating speed in the converter oxygen gun non-oxygen blow duration of circulating cooling water pump, simultaneously to former converter oxygen gun circulating cooling water pump
It is replaced, reduces the purpose of energy consumption.
Working method and energy-saving effect below by concrete application example explanation native system.Should be appreciated that this place
The concrete application example described, only in order to explain this utility model, is not used to limit this utility model.
The 1# converter of XXX Iron And Steel Co., Ltd, production capacity is 120T, and oxygen rifle podium level is 40 meters.Requirement of system design
During oxygen blast, the main oxygen rifle water yield is more than 350t/h, and the secondary oxygen rifle water yield is more than 50t/h；During non-oxygen blast, the main oxygen rifle water yield is 150t/h
Above, the secondary oxygen rifle water yield is more than 50t/h.
Properly functioning 1 water circulating pump (single pump metered flow is 500t/h).
Because oxygen rifle podium level is 40m, regulated by water supply valve, in oxygen blow duration, make water main's pressure maintain
1.35MPa, calculating lift is 178m, and supply total flow reaches rated designs and requires as 470t/h.According to in-site measurement, circulating pump
Operation power is 462.3kW.
Using recirculating cooling water system of the present utility model, setup parameter is as follows:
Converter frequency in oxygen blow duration is 50Hz, and in non-oxygen blow duration, frequency is 32.5Hz；Selection parameters of pump is
400t/h, 185m, 78%, 287kW.
Above two system contrasts, and power savings is as follows:
Original converter oxygen gun recirculating cooling water system power consumption general power: 462.3kW；
Converter oxygen gun recirculating cooling water system of the present utility model weighting power consumption general power: 172.2+42.7=214.9kW；
Hour amount of electricity saving: 462.3-214.9=247.4 degree/hour, power saving rate is 53.5%.
This system year is run 340 days, runs every day 24 hours, then year amount of electricity saving is:
247.4 × 24 × 340=2018784 degree/year, power savings highly significant.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (1)
1. a converter oxygen gun recirculating cooling water system, including oxygen rifle unit and cooling tower unit, described oxygen rifle unit and cooling
Tower unit is connected by inlet pipeline (102) and outlet conduit (101), it is characterised in that:
Described oxygen rifle unit includes main oxygen gun water-cooling set (9a) and secondary oxygen gun water-cooling set (9b), described main oxygen gun water-cooling set (9a)
Entrance point is provided with the first butterfly valve (8a), and the port of export is provided with main oxygen rifle regulation valve (10a) and the second butterfly valve (11a), described secondary oxygen rifle
The entrance point of water collar (9b) is provided with the 3rd butterfly valve (8b), and the port of export is provided with secondary oxygen rifle regulation valve (10b) and the 4th butterfly valve
(11b);
Described cooling tower unit includes the first cooling tower (1a), the second cooling tower (1b) and water cooling pond (2), described first cooling tower
(1a) entrance point is provided with the 5th butterfly valve (12a), and the entrance point of the second cooling tower (1b) is provided with the 6th butterfly valve (12b)；Described cold
The port of export in pond (2) is provided with first passage and second channel, described first passage is sequentially provided with the 7th butterfly valve (3a), first
Circulating pump (4a), the first check-valves (5a), the 8th butterfly valve (6a) and the first gate valve (7a), described second channel is sequentially provided with
Nine butterfly valves (3b), the second circulating pump (4b), the second check-valves (5b), the tenth butterfly valve (6b) and the second gate valve (7b)；
Also include that converter (13), described converter (13) connect described first circulating pump (4a) and the second circulating pump respectively
(4b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620674322.9U CN205774635U (en) | 2016-06-30 | 2016-06-30 | A kind of converter oxygen gun recirculating cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620674322.9U CN205774635U (en) | 2016-06-30 | 2016-06-30 | A kind of converter oxygen gun recirculating cooling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205774635U true CN205774635U (en) | 2016-12-07 |
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ID=58125508
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620674322.9U Active CN205774635U (en) | 2016-06-30 | 2016-06-30 | A kind of converter oxygen gun recirculating cooling water system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593840A (en) * | 2016-12-14 | 2017-04-26 | 四川德胜集团钒钛有限公司 | Frequency-conversion energy-saving control system of cooling water pump of oxygen lance |
-
2016
- 2016-06-30 CN CN201620674322.9U patent/CN205774635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593840A (en) * | 2016-12-14 | 2017-04-26 | 四川德胜集团钒钛有限公司 | Frequency-conversion energy-saving control system of cooling water pump of oxygen lance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |