KR101237074B1 - Opening and closing valve for descaler - Google Patents
Opening and closing valve for descaler Download PDFInfo
- Publication number
- KR101237074B1 KR101237074B1 KR1020100094390A KR20100094390A KR101237074B1 KR 101237074 B1 KR101237074 B1 KR 101237074B1 KR 1020100094390 A KR1020100094390 A KR 1020100094390A KR 20100094390 A KR20100094390 A KR 20100094390A KR 101237074 B1 KR101237074 B1 KR 101237074B1
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- South Korea
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- opening
- flow path
- closing
- plunger
- hole
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The present invention relates to a descaler opening / closing valve, and more particularly, to a descaler opening / closing valve having a degree of opening / closing varying according to a pressure change formed in a flow path of a working fluid when a descaling process is started or terminated.
According to the present invention, there is provided a vacuum cleaner comprising: a body having a first hole portion and a second hole portion through which a working fluid passes; A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion; An interval adjusting unit for adjusting a distance between the flow path and the plunger; And a variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger.
Description
The present invention relates to a descaler opening / closing valve, and more particularly, to a descaler opening / closing valve having a degree of opening / closing varying according to a pressure change formed in a flow path of a working fluid when a descaling process is started or terminated.
Typical steelmaking consists of a steelmaking process to produce molten iron, a steelmaking process to remove impurities from molten iron, a casting process to solidify the liquid iron, and a rolling process to make iron steel or wire.
The process of making pig iron, which is the previous step in the process of making steel by iron ore, is called zeolite and the process of making steel by pig iron is called steelmaking.
The casting process is a process of injecting liquid molten steel into a mold and then cooling and solidifying it while passing through a continuous casting machine to continuously produce an intermediate material such as a slab or a bloom.
In this process, the bloom is transformed into a billet through a steel billet mill and processed into a wire billet through a wire mill.
Further, the slab is produced as a heavy plate through a plate rolling mill or as a hot rolled coil or a hot rolled steel plate while passing through a hot rolling mill.
During the rolling process, a high-pressure working fluid sprayed from the descaler is sprayed onto the surfaces of the billets or slabs to remove scales generated on the billet or slab surface.
The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.
An object of the present invention is to provide a descaler opening / closing valve whose degree of opening / closing is variable according to a pressure change formed in a flow path of a working fluid when a descaling process is started or terminated.
According to an aspect of the present invention, there is provided a vacuum cleaner comprising: a main body having a first hole portion and a second hole portion through which a working fluid passes; A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion; An interval adjusting unit for adjusting a distance between the flow path and the plunger; And a variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger.
In addition, the gap adjusting unit may include a ring member installed in the first hole.
Further, the variable portion may include: a fixing member that is press-fitted into the first hole portion and prevents the ring member from being separated from the first hole portion; And an elastic member interposed between the fixing member and the ring member.
In addition, a shoulder portion is formed on the rim of the ring member, a step is formed in the first hole portion opposed to the step portion, and the elastic member is interposed between the step portion and the step portion.
In addition, the step portion is formed with a fixing groove portion into which the elastic member is inserted, and the stepped portion is formed with a mounting groove portion into which the elastic member is inserted.
According to another aspect of the present invention, there is provided a vacuum cleaner comprising: a main body having a first hole portion and a second hole portion through which a working fluid passes; A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion; An interval adjusting unit for adjusting a distance between the flow path and the plunger; A variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger; And a flow regulator for regulating an amount of the working fluid discharged from the main body.
According to another aspect of the present invention, there is provided a vacuum cleaner comprising: a main body having a first hole portion and a second hole portion through which a working fluid passes; A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion; An interval adjusting unit for adjusting a distance between the flow path and the plunger; A variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger; A flow rate regulator for regulating an amount of the working fluid discharged from the main body; And a flow rate varying unit for varying the opening and closing degree of the flow rate adjusting unit according to a pressure difference between a front flow path of the flow rate adjusting unit and a rear flow path of the flow rate adjusting unit.
The descaler opening / closing valve according to the present invention can prevent the opening operation and the closing operation from being carried out more quickly than necessary because the moving speed of the plunger for determining whether or not the working fluid is supplied is varied according to the pressure difference formed in the flow path, There is an advantage that the impact generated by the pressure difference can be reduced.
1 is a cross-sectional view illustrating a descaler opening / closing valve provided with a pressure regulating device according to a first embodiment of the present invention.
2 is a cross-sectional view illustrating a descaler opening / closing valve according to a first embodiment of the present invention.
3 is an exploded perspective view showing a gap adjusting portion of the descaler opening / closing valve according to the first embodiment of the present invention.
4 is a cross-sectional view illustrating a descaler opening / closing valve according to a second embodiment of the present invention.
5 is an exploded perspective view showing a gap adjusting portion of the descaler opening / closing valve according to the second embodiment of the present invention.
6 is a cross-sectional view illustrating a descaler opening / closing valve according to a third embodiment of the present invention.
FIG. 7 is an operational state diagram showing a gap adjusting portion of the descaler opening / closing valve according to the third embodiment of the present invention.
8 is a cross-sectional view illustrating a descaler opening / closing valve according to a fourth embodiment of the present invention.
Fig. 9 is an operational state diagram showing a gap adjusting portion of the descaler opening / closing valve according to the fourth embodiment of the present invention.
Hereinafter, an embodiment of a descaler opening / closing valve according to the present invention will be described with reference to the accompanying drawings.
In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.
In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.
Therefore, definitions of these terms should be made based on the contents throughout this specification.
FIG. 1 is a cross-sectional view of a descaler opening / closing valve provided with a pressure regulating device according to a first embodiment of the present invention, FIG. 2 is a sectional view of a descaler opening / closing valve according to a first embodiment of the present invention, 3 is an exploded perspective view showing a gap adjusting portion of the descaler opening / closing valve according to the first embodiment of the present invention.
1 to 3, a descaler opening / closing valve according to an embodiment of the present invention includes a
When the driving fluid is supplied into the
In contrast, when the driving fluid is discharged to the outside of the
The working fluid flowing into the
A
When the opening and
A space forming the
A
The
When the
Conversely, when the
Since the
Therefore, when the supply of the driving fluid to the
Particularly, when the descaling process is started, since the pressure difference between the
The pressure regulating
When the descaler opening / closing valve is opened, the
The driving fluid that has been filled in the pressurizing
Closing
At this time, since the gap between the
Accordingly, since the driving fluid discharged from the pressurizing
Since the
Therefore, the moving speed of the driving fluid flowing into the
The
The distance between the
Accordingly, the operator can adjust the amount of the driving fluid flowing through the
An
A
When the
The operation of the descaler opening / closing valve according to an embodiment of the present invention will be described below.
First, when the descaling process is started, the external force that presses the
The driving fluid filled in the pressurizing
When the pressure of the
Accordingly, the working fluid flowing through the
The driving fluid discharged along the
Therefore, the effect of lowering the speed of the driving fluid discharged from the
The opening / closing
FIG. 4 is a cross-sectional view illustrating a descaler opening / closing valve according to a second embodiment of the present invention, and FIG. 5 is an exploded perspective view illustrating a gap adjusting portion of a descaler opening / closing valve according to a second embodiment of the present invention.
Referring to FIGS. 1, 4 and 5, a descaler opening / closing valve according to a second embodiment of the present invention includes a main body 10 (see FIG. 1) in which a
The
The
When the pressure of the driving fluid is low, the
The
The
The
A
The fixing
The
When the
When the
Accordingly, since the discharging speed of the driving fluid discharged from the pressurizing
The pressure difference between the
The
While the operation of opening the
FIG. 6 is a cross-sectional view illustrating a descaler opening / closing valve according to a third embodiment of the present invention, and FIG. 7 is an operational state diagram illustrating a gap adjusting portion of the descaler opening / closing valve according to the third embodiment of the present invention.
Referring to FIGS. 1, 6 and 7, a descaler opening / closing valve according to a third embodiment of the present invention includes a
When the
Accordingly, the moving speed of the driving fluid moving along the
The
When the worker moves the adjusting
The
The flow path between the
A
The adjusting
When the operator inserts a tool such as a jig or a wrench into the
Conversely, when the operator rotates the adjusting
FIG. 8 is a cross-sectional view showing a descaler opening / closing valve according to a fourth embodiment of the present invention, and FIG. 9 is an operational state view showing a gap adjusting portion of a descaler opening / closing valve according to a fourth embodiment of the present invention.
Referring to FIGS. 1, 8 and 9, a descaler opening / closing valve according to a fourth embodiment of the present invention includes a
When the descaler opening / closing valve is opened, the
The
When the adjusting
The
At the beginning of the opening operation, since the pressure of the driving fluid is high, the adjusting
When the discharge of the driving fluid is continued, the pressure difference is reduced and the pressure of the driving fluid discharged along the
When the flow path is narrowed due to the movement of the regulating
The flow rate
When the pressure of the driving fluid flowing into the adjusting
The adjusting
The
This makes it possible to provide a descaler opening / closing valve that reduces the impact generated in the flow path of the working fluid when the descaling process is started or terminated.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .
Although a descaler opening / closing valve has been described as an example, this is merely an example, and the pressure regulating device of the present invention may be used in products other than the descaler opening / closing valve.
Accordingly, the true scope of the present invention should be determined by the following claims.
10: main body 12: first hollow portion
12a:
14: second hole portion 16:
20: plunger 30:
32: ring member 34:
36: operation groove portion 38:
38a: Fixing groove portion 50:
52: fixing
70: flow rate regulator 72: regulating tube
72a:
74: regulating member 76: inclined surface
78:
79: insertion groove portion 80: flow rate variable portion
82: Finishing panel 84: Elastic body
110: valve body 112: inlet
114: discharge port 116: opening /
118: pressurizing portion 119: opening /
130: opening / closing member 150: switch block
152: supply passage 154: discharge passage
156: extension channel 170: switch section
172: switch main body 174:
176: guide member 178:
179:
Claims (7)
An opening / closing member movably installed in the valve body for opening / closing a flow path between the inlet port and the outlet port;
And a switch portion for determining whether or not a drive fluid for moving the opening / closing member is supplied;
A space forming a pressing portion is formed between the upper end of the opening and closing member and the valve body, and an opening / closing passage extending from the pressing portion to the outside of the valve body is formed;
A switch block is provided on an outer wall of the valve body opposite to the switching valve, the extension block being in communication with the switching valve, and a supply passage and a discharge passage are formed in the switch block;
Wherein the supply passage and the discharge passage are provided with a pressure regulating device for regulating the flow rate of the driving fluid;
The pressure regulating device includes:
A body having a first hole portion and a second hole portion through which the working fluid passes;
A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion;
An interval adjusting unit for adjusting a distance between the flow path and the plunger; And
And a variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger.
Wherein the gap adjusting unit includes a ring member installed in the first hole.
A fixing member that is press-fitted into the first hole and prevents the ring member from being separated from the first hole;
And an elastic member interposed between the fixing member and the ring member.
Wherein a rim portion is formed at a rim of the ring member, a step is formed in the first hole portion opposed to the rim portion, and the elastic member is interposed between the rim portion and the step portion.
Wherein the jaw portion is formed with a fixing groove portion into which the elastic member is inserted and a seating groove portion into which the elastic member is inserted is formed in the stepped portion.
An opening / closing member movably installed in the valve body for opening / closing a flow path between the inlet port and the outlet port;
And a switch portion for determining whether or not a drive fluid for moving the opening / closing member is supplied;
A space forming a pressing portion is formed between the upper end of the opening and closing member and the valve body, and an opening / closing passage extending from the pressing portion to the outside of the valve body is formed;
A switch block is provided on an outer wall of the valve body opposite to the switching valve, the extension block being in communication with the switching valve, and a supply passage and a discharge passage are formed in the switch block;
Wherein the supply passage and the discharge passage are provided with a pressure regulating device for regulating the flow rate of the driving fluid;
The pressure regulating device includes:
A body having a first hole portion and a second hole portion through which the working fluid passes;
A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion;
An interval adjusting unit for adjusting a distance between the flow path and the plunger;
A variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger; And
And a flow regulator for regulating an amount of the working fluid discharged from the main body.
An opening / closing member movably installed in the valve body for opening / closing a flow path between the inlet port and the outlet port;
And a switch portion for determining whether or not a drive fluid for moving the opening / closing member is supplied;
A space forming a pressing portion is formed between the upper end of the opening and closing member and the valve body, and an opening / closing passage extending from the pressing portion to the outside of the valve body is formed;
A switch block is provided on an outer wall of the valve body opposite to the switching valve, the extension block being in communication with the switching valve, and a supply passage and a discharge passage are formed in the switch block;
Wherein the supply passage and the discharge passage are provided with a pressure regulating device for regulating the flow rate of the driving fluid;
The pressure regulating device includes:
A body having a first hole portion and a second hole portion through which the working fluid passes;
A plunger movably installed in the main body and opening / closing a flow path between the first hole portion and the second hole portion;
An interval adjusting unit for adjusting a distance between the flow path and the plunger;
A variable portion that varies a position of the gap adjusting portion according to a pressure difference between a front flow path of the plunger and a rear flow path of the plunger;
A flow rate regulator for regulating an amount of the working fluid discharged from the main body; And
And a flow rate varying unit for varying the opening / closing degree of the flow rate adjusting unit according to a pressure difference between a front flow path of the flow rate adjusting unit and a rear flow path of the flow rate adjusting unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100094390A KR101237074B1 (en) | 2010-09-29 | 2010-09-29 | Opening and closing valve for descaler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100094390A KR101237074B1 (en) | 2010-09-29 | 2010-09-29 | Opening and closing valve for descaler |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120032848A KR20120032848A (en) | 2012-04-06 |
KR101237074B1 true KR101237074B1 (en) | 2013-02-28 |
Family
ID=46135774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100094390A KR101237074B1 (en) | 2010-09-29 | 2010-09-29 | Opening and closing valve for descaler |
Country Status (1)
Country | Link |
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KR (1) | KR101237074B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107520263B (en) * | 2016-06-19 | 2019-05-24 | 上海梅山钢铁股份有限公司 | Descaling header road is discharged width control device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980027217A (en) * | 1996-10-15 | 1998-07-15 | 박병재 | Hydraulic control device for automatic transmission |
KR200199417Y1 (en) | 1996-05-16 | 2000-12-01 | 이구택 | Ladle hydraulic valve and slag sensor line automatic fastening device |
JP2006017302A (en) | 1997-04-11 | 2006-01-19 | Kawasaki Safety Service Industries Ltd | Quick opening pressure control valve and fire extinguishing device using the same |
JP2009197995A (en) * | 2008-02-19 | 2009-09-03 | Pa Spa | Improved bypass and pressure regulating valve |
-
2010
- 2010-09-29 KR KR1020100094390A patent/KR101237074B1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200199417Y1 (en) | 1996-05-16 | 2000-12-01 | 이구택 | Ladle hydraulic valve and slag sensor line automatic fastening device |
KR19980027217A (en) * | 1996-10-15 | 1998-07-15 | 박병재 | Hydraulic control device for automatic transmission |
JP2006017302A (en) | 1997-04-11 | 2006-01-19 | Kawasaki Safety Service Industries Ltd | Quick opening pressure control valve and fire extinguishing device using the same |
JP2009197995A (en) * | 2008-02-19 | 2009-09-03 | Pa Spa | Improved bypass and pressure regulating valve |
Also Published As
Publication number | Publication date |
---|---|
KR20120032848A (en) | 2012-04-06 |
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