CN105041731B - Steelshop converter Hydraulic Station and its method for arranging - Google Patents
Steelshop converter Hydraulic Station and its method for arranging Download PDFInfo
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- CN105041731B CN105041731B CN201510484403.2A CN201510484403A CN105041731B CN 105041731 B CN105041731 B CN 105041731B CN 201510484403 A CN201510484403 A CN 201510484403A CN 105041731 B CN105041731 B CN 105041731B
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- flow
- oil
- oil pump
- stove
- house steward
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
A kind of steelshop converter Hydraulic Station and its method for arranging, steelshop converter Hydraulic Station is arranged in a steelshop, with multiple stage converter in the steelshop, the Hydraulic Station includes the oil pump group being sequentially connected, save up strength tank, oil supply house steward, oil return house steward and oil return box, the oil return box is connected with the oil pump group, multiple branch lines are arranged in parallel between the oil supply house steward and the oil return house steward, each branch line corresponds to a converter, and signal acquisition module is provided with each branch line, the signal acquisition module is connected with a control module, the control module is connected with the oil pump group again.The hydraulic pump of scattering device on the spot is put together by the present invention, the specifications and models of hydraulic pump and number of units can be reduced to a minimum, and is simplified production management, is reduced maintenance of equipment and construction investment.
Description
Technical field
The present invention is related to a kind of Hydraulic Station, specifically, is to be related to steelshop converter Hydraulic Station, and the present invention enters
One step is related to steelshop converter Hydraulic Station method for arranging.
Background technology
At present, the Hydraulic Station of the converter in steelshop is all joined according to the mode of one Hydraulic Station of a converter
Put, a Hydraulic Station is commonly equipped with three hydraulic pumps, and wherein one hydraulic pump is used as standby.And a large-scale hot-working factory is from product
Product needs of production is set out, and generally requires to configure five converters, and wherein, large and small thick furnace is each one, large, medium and small refining
Stove is each one, and according to large and small thick furnace+big refining furnace, big thick furnace+middle refining furnace, little thick furnace+three kinds of little refining furnace mould
Formula is made steel, and so, five converters need five Hydraulic Stations, five kinds of specifications, 15 hydraulic pumps.Existing steelshop
The arrangement of interior converter Hydraulic Station is undoubtedly not easy to production management and maintenance, and required capital construction investment cost
High.
Therefore, it is necessary in fact to carry out rational deployment to the converter in steelshop with Hydraulic Station, to form concentration
Hydraulic power unit, so that the specifications and models of hydraulic pump and number of units are reduced to a minimum, to simplify production management, reduce maintenance of equipment
And construction investment.
Content of the invention
A technical problem to be solved by this invention is to provide a kind of steelshop converter Hydraulic Station method for arranging,
So that the hydraulic pump of scattering device on the spot is put together, the specifications and models of hydraulic pump and number of units are reduced to a minimum, simplify
Production management, minimizing maintenance of equipment and construction investment.
To achieve these goals, the steelshop converter Hydraulic Station method for arranging of the present invention, comprises the steps：
S100, arranges oil pump group；
S200, arranges oil supply house steward and oil return house steward；
S300, arranges, between oil supply house steward and oil pump group, the tank that saves up strength, and arranges oil return between oil return house steward and oil pump group
Case；
S400, is arranged in parallel multiple branch lines between oil supply house steward and oil return house steward, corresponds to each branch line
One converter；
S500, arranges a signal acquisition module on each branch line, and by signal acquisition module and a control module
Connection, the control module are connected with the oil pump group again.
Above-mentioned steelshop converter Hydraulic Station method for arranging, wherein, in step S100, including step：
S110, multiple stage converter is divided into thick furnace and two kinds of refining furnace according to the type of furnace, and by thick furnace according to needed for which
The flow of hydraulic oil is divided into first flow stove and second flow stove, and refining furnace is divided into the 3rd according to the flow of hydraulic oil needed for which
Flow stove, the 4th flow stove and the 5th flow stove, first flow stove have first flow V1, and second flow stove has second flow
V2, the 3rd flow stove have the 3rd flow V3, and the 4th flow stove has the 4th flow V4, and the 5th flow stove has the 5th flow
V5, wherein, V1 ＜ V2, V3 ＜ V4 ＜ V5；And
S120, the specification of the oil pump according to used by V1, V2, V3, V4 and V5 value determines oil pump group and number of units.
Above-mentioned steelshop converter Hydraulic Station method for arranging, wherein, in step S120, includes step again
Suddenly：
S121, calculates the value of V1+V3；
S122, the calculating value of V2+V4 and the value of V1+V2+V5, and compare the size of the value of V2+V4 and the value of V1+V2+V5,
The greater therein is taken as V6；
S123, determines the specification of the oil pump used by oil pump group with the value of V1+V3, and is rounded up with V6/ (V1+V3) value and take
Integer adds 1 and is defined as the oil pump number of units used by oil pump group again.
Above-mentioned steelshop converter Hydraulic Station method for arranging, wherein, the oil supply house steward and the oil return house steward
Laid using built on stilts, buried or underground pipe canal mode.
The present invention further provides a kind of steelshop converter Hydraulic Station, is arranged in a steelshop, the refining
With multiple stage converter in steel workshop, the Hydraulic Station includes that the oil pump group being sequentially connected, the tank that saves up strength, oil supply house steward, oil return are total
Pipe and oil return box, the oil return box are connected with the oil pump group, are arranged in parallel between the oil supply house steward and the oil return house steward
There are multiple branch lines, each branch line corresponds on a converter, and each branch line and signal acquisition module is provided with, institute
State signal acquisition module to be connected with a control module, the control module is connected with the oil pump group again.
Above-mentioned steelshop converter Hydraulic Station, wherein, the multiple stage converter according to the type of furnace be divided into thick furnace and
Refining furnace, the thick furnace include a first flow stove and a second flow stove, the refining furnace include one the 3rd flow stove, one
4th flow stove and one the 5th flow stove, first flow stove have first flow V1, and second flow stove has second flow V2, the
Three flow stoves have the 3rd flow V3, and the 4th flow stove has the 4th flow V4, and the 5th flow stove has the 5th flow V5, its
In, V1 ＜ V2, V3 ＜ V4 ＜ V5, the specification of the oil pump used by the oil pump group and number of units are determined according to V1, V2, V3, V4 and V5.
Above-mentioned steelshop converter Hydraulic Station, wherein, the specification of the oil pump used by the oil pump group is according to V1+V3
Value determine that the oil pump number of units used by the oil pump group adds 1 determination again with V6/ (V1+V3) value round number, wherein,
V6 is the greater in V2+V4, V1+V2+V5.
The beneficial functional of the present invention is, takes intensive optimal way to divide originally steelshop by separate unit converter on the spot
Be casually arranged with the Hydraulic Station that puts, put together when newly-built, by parallel way, by concurrent signatures or operating mode carry out intensive optimization with
The hydraulic power unit that concentrates is formed, the specifications and models of hydraulic pump in hydraulic pressure pump group and number of units can be reduced to a minimum, simplify
Production management, reduce maintenance of equipment and construction investment.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is the structured flowchart of steelshop converter Hydraulic Station of the present invention；
Fig. 2 is control module and oil pump group and the company of signal acquisition module of steelshop converter Hydraulic Station of the present invention
Connect schematic diagram.
Wherein, reference
10 oil pump groups
20 save up strength tank
30 oil supply house stewards
40 branch lines
50 oil return house stewards
60 oil return box
70 signal acquisition module
80 control modules
1 first flow stove
2 second flow stoves
3 the 3rd flow stoves
4 the 4th flow stoves
5 the 5th flow stoves
Specific embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings, to be further understood that
The purpose of the present invention, scheme and effect, but it is not intended as the restriction of scope of the appended claims of the present invention.
The steelshop converter Hydraulic Station of the present invention, is arranged in a steelshop, with multiple stage in steelshop
Converter, multiple stage converter are divided into thick furnace and refining furnace according to the type of furnace, and thick furnace includes a first flow stove 1 and a second
Amount stove 2, refining furnace includes one the 3rd flow stove 3, one the 4th flow stove 4 and one the 5th flow stove 5, and first flow stove 1 has the
One flow V1, second flow stove 2 have second flow V2, and the 3rd flow stove 3 has the 3rd flow V3, and the 4th flow stove 4 has
4th flow V4, the 5th flow stove 5 have the 5th flow V5, wherein, V1 ＜ V2, V3 ＜ V4 ＜ V5.
Oil pump group 10 that as depicted in figs. 1 and 2, the steelshop converter Hydraulic Station of the present invention includes to be sequentially connected,
Save up strength tank 20, oil supply house steward 30, oil return house steward 50 and oil return box 60, and oil return box 60 is connected with oil pump group 10, oil supply house steward 30 with
Multiple branch lines 40 have been arranged in parallel between oil return house steward 50, and each branch line 40 corresponds to a converter, and each branch
Be provided with signal acquisition module 70 on pipeline 40, signal acquisition module 70 is connected with a control module 80, control module 80 again with
Oil pump group 10 connects.Signal acquisition module 70 can be pressure gauge, to gather the pressure signal on branch line 40.Oil pump group 10 is wrapped
Multiple stage big flow motor frequency modulation oil pump is included, and multiple stage big flow motor frequency modulation water pump is using identical specification and model
In order that the oil pump of a kind of specification and model can meet the use demand of multiple stage converter, the oil pump used by oil pump group
Specification and number of units according to V1, V2, V3, V4 and V5 determine.Specifically, the specification of the oil pump used by oil pump group is according to V1+V3
Value determine, the oil pump number of units used by oil pump group adds 1 determination again with V6/ (V1+V3) value round number, so that oil pump group
10 oil pump number of units and specifications and models are all reduced to a minimum, and wherein, V6 is the greater in V2+V4, V1+V2+V5.
Arranged based on said structure, control module 80 can adjust oil pump according to the pressure signal that signal acquisition module 70 is fed back
Number of units opened by the oil pump of group 10, so that the unlatching number of units of oil pump group 10 is reduced to a minimum.The present invention can be by the specification of oil pump
Model is kept to a kind, and the number of units of oil pump is reduced to 3～4, so as to largely simplifying production management, reducing maintenance of equipment
And construction investment.
The steelshop converter Hydraulic Station of the present invention comprises the steps in arrangement：
S100, arranges oil pump group；
S200, arranges oil supply house steward and oil return house steward；
S300, arranges, between oil supply house steward and oil pump group, the tank that saves up strength, and arranges oil return between oil return house steward and oil pump group
Case；
S400, is arranged in parallel multiple branch lines between oil supply house steward and oil return house steward, corresponds to each branch line
One converter；
S500, arranges a signal acquisition module on each branch line, and by signal acquisition module and a control module
Connection, the control module are connected with the oil pump group again.
In step S100, including step：
S110, multiple stage converter is divided into thick furnace and two kinds of refining furnace according to the type of furnace, and by thick furnace according to needed for which
The flow of hydraulic oil is divided into first flow stove and second flow stove, and refining furnace is divided into the 3rd according to the flow of hydraulic oil needed for which
Flow stove, the 4th flow stove and the 5th flow stove, first flow stove have first flow V1, and second flow stove has second flow
V2, the 3rd flow stove have the 3rd flow V3, and the 4th flow stove has the 4th flow V4, and the 5th flow stove has the 5th flow
V5, wherein, V1 ＜ V2, V3 ＜ V4 ＜ V5；And
S120, the specification of the oil pump according to used by V1, V2, V3, V4 and V5 value determines oil pump group and number of units, in the step again
Including step：
S121, calculates the value of V1+V3；
S122, the calculating value of V2+V4 and the value of V1+V2+V5, and compare the size of the value of V2+V4 and the value of V1+V2+V5,
The greater therein is taken as V6；
S123, determines the specification of the oil pump used by oil pump group with the value of V1+V3, and is rounded up with V6/ (V1+V3) value and take
Integer adds 1 and is defined as the oil pump number of units used by oil pump group again.
When oil supply house steward and oil return house steward is arranged, oil supply house steward 30 and oil return house steward 50 can be using built on stilts, buried or ground
Lower pipe trench mode is laid.
Certainly, the present invention can also have other various embodiments, in the case of without departing substantially from present invention spirit and its essence, ripe
Know those skilled in the art and work as and various corresponding changes and deformation can be made according to the present invention, but these change accordingly and become
Shape should all belong to the protection domain of appended claims of the invention.
Claims (5)
1. a kind of steelshop converter Hydraulic Station method for arranging, it is characterised in that comprise the steps：
S100, arranges oil pump group；
S200, arranges oil supply house steward and oil return house steward；
S300, arranges, between oil supply house steward and oil pump group, the tank that saves up strength, and arranges oil return box between oil return house steward and oil pump group；
S400, is arranged in parallel multiple branch lines between oil supply house steward and oil return house steward, makes each branch line correspond to a refining
Steel stove；
S500, arranges a signal acquisition module on each branch line, and signal acquisition module is connected with a control module,
The control module is connected with the oil pump group again；
Wherein, step S100 includes step：
S110, multiple stage converter is divided into thick furnace and two kinds of refining furnace according to the type of furnace, and by thick furnace according to hydraulic pressure needed for which
The flow of oil is divided into first flow stove and second flow stove, and refining furnace is divided into the 3rd flow according to the flow of hydraulic oil needed for which
Stove, the 4th flow stove and the 5th flow stove, first flow stove have first flow V1, and second flow stove has second flow V2,
3rd flow stove has the 3rd flow V3, and the 4th flow stove has the 4th flow V4, and the 5th flow stove has the 5th flow V5, its
In, V1 ＜ V2, V3 ＜ V4 ＜ V5；And
S120, the specification of the oil pump according to used by V1, V2, V3, V4 and V5 value determines oil pump group and number of units.
2. steelshop converter Hydraulic Station method for arranging according to claim 1, it is characterised in that in the step
In S120, include step again：
S121, calculates the value of V1+V3；
S122, the calculating value of V2+V4 and the value of V1+V2+V5, and compare the size of the value of V2+V4 and the value of V1+V2+V5, take which
In the greater as V6；
S123, determines the specification of the oil pump used by oil pump group with the value of V1+V3, and with V6/ (V1+V3) value round number
The oil pump number of units that plus 1 again and be defined as used by oil pump group.
3. steelshop converter Hydraulic Station method for arranging according to claim 1, it is characterised in that the oil supply is total
Pipe and the oil return house steward are laid using built on stilts, buried or underground pipe canal mode.
4. a kind of steelshop converter Hydraulic Station, is arranged in a steelshop, refines with multiple stage in the steelshop
Steel stove, it is characterised in that the Hydraulic Station includes the oil pump group being sequentially connected, the tank that saves up strength, oil supply house steward, oil return house steward and oil return
Case, the oil return box are connected with the oil pump group, have been arranged in parallel multiple points between the oil supply house steward and the oil return house steward
Bye-pass, each branch line are corresponded on a converter, and each branch line and are provided with signal acquisition module, and the signal is adopted
Collection module be connected with a control module, the control module is connected with the oil pump group again, wherein, the multiple stage converter according to
The type of furnace is divided into thick furnace and refining furnace, and the thick furnace includes a first flow stove and a second flow stove, the refining furnace bag
One the 3rd flow stove, one the 4th flow stove and one the 5th flow stove is included, first flow stove has first flow V1, second flow stove
With second flow V2, the 3rd flow stove has the 3rd flow V3, and the 4th flow stove has the 4th flow V4, the 5th flow stove
Have the 5th flow V5, wherein, V1 ＜ V2, V3 ＜ V4 ＜ V5, the specification of the oil pump used by the oil pump group and number of units according to V1,
V2, V3, V4 and V5 determine.
5. steelshop converter Hydraulic Station according to claim 4, it is characterised in that the oil used by the oil pump group
According to the value of V1+V3, the specification of pump determines that the oil pump number of units used by the oil pump group is with V6/ (V1+V3) value round
Number Jia 1 again and is determined, wherein, V6 is the greater in V2+V4, V1+V2+V5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484403.2A CN105041731B (en) | 2015-08-07 | 2015-08-07 | Steelshop converter Hydraulic Station and its method for arranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484403.2A CN105041731B (en) | 2015-08-07 | 2015-08-07 | Steelshop converter Hydraulic Station and its method for arranging |
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| Publication Number | Publication Date |
|---|---|
| CN105041731A CN105041731A (en) | 2015-11-11 |
| CN105041731B true CN105041731B (en) | 2017-03-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202560705U (en) * | 2012-05-04 | 2012-11-28 | 中国人民解放军63983部队 | Bus-based hydraulic system |
| CN103206433A (en) * | 2012-01-17 | 2013-07-17 | 何荣志 | Hydraulic group control energy saving system |
| CN103851037A (en) * | 2012-11-29 | 2014-06-11 | 何荣志 | Multi-pressure source energy-saving hydraulic pressure station |
| CN203670314U (en) * | 2013-11-12 | 2014-06-25 | 四川蓝弋科技有限公司 | Energy-saving hydraulic station |
| CN203685729U (en) * | 2014-01-26 | 2014-07-02 | 广东广青金属科技有限公司 | Novel hydraulic system used for LF |
| CN103939399A (en) * | 2013-01-18 | 2014-07-23 | 何荣志 | Multistation hydraulic group control energy-saving technology |
| CN203908295U (en) * | 2013-01-13 | 2014-10-29 | 北京首钢国际工程技术有限公司 | Energy-saving hydraulic control apparatus for stepping heating furnace of large strip rolling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120233991A1 (en) * | 2011-03-16 | 2012-09-20 | Purdue Research Foundtion | Multi-function machines, hydraulic systems therefor, and methods for their operation |
-
2015
- 2015-08-07 CN CN201510484403.2A patent/CN105041731B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206433A (en) * | 2012-01-17 | 2013-07-17 | 何荣志 | Hydraulic group control energy saving system |
| CN202560705U (en) * | 2012-05-04 | 2012-11-28 | 中国人民解放军63983部队 | Bus-based hydraulic system |
| CN103851037A (en) * | 2012-11-29 | 2014-06-11 | 何荣志 | Multi-pressure source energy-saving hydraulic pressure station |
| CN203908295U (en) * | 2013-01-13 | 2014-10-29 | 北京首钢国际工程技术有限公司 | Energy-saving hydraulic control apparatus for stepping heating furnace of large strip rolling machine |
| CN103939399A (en) * | 2013-01-18 | 2014-07-23 | 何荣志 | Multistation hydraulic group control energy-saving technology |
| CN203670314U (en) * | 2013-11-12 | 2014-06-25 | 四川蓝弋科技有限公司 | Energy-saving hydraulic station |
| CN203685729U (en) * | 2014-01-26 | 2014-07-02 | 广东广青金属科技有限公司 | Novel hydraulic system used for LF |
Non-Patent Citations (1)
| Title |
|---|
| 太原重工大型铸锻件国产化研制项目设计;朱吉禄, 郝立文;《重型装备》;20120930(第3期);第1-7页及图5-6 * |
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| CN105041731A (en) | 2015-11-11 |
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