KR20120132014A - Apparatus for rapid freezing a pipe - Google Patents
Apparatus for rapid freezing a pipe Download PDFInfo
- Publication number
- KR20120132014A KR20120132014A KR1020110050567A KR20110050567A KR20120132014A KR 20120132014 A KR20120132014 A KR 20120132014A KR 1020110050567 A KR1020110050567 A KR 1020110050567A KR 20110050567 A KR20110050567 A KR 20110050567A KR 20120132014 A KR20120132014 A KR 20120132014A
- Authority
- KR
- South Korea
- Prior art keywords
- refrigerant
- outer jacket
- shape
- pipe
- jacket
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/103—Means for stopping flow from or in pipes or hoses by temporarily freezing liquid sections in the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention provides a rapid freezing device for piping. The rapid freezing device for piping according to the present invention is bent in a sheet shape and formed to surround the outer shape of the pipe while the one end and the other end of the sheet come into contact with each other. An outer jacket made of a flexible material to inflate when the refrigerant is injected, thereby increasing the volume of the refrigerant space; A refrigerant supply guide part disposed to penetrate an inner surface from an outer surface of the outer jacket and to guide the refrigerant from an external refrigerant tank to the refrigerant space; And an outer fixing part for fixing both ends of the outer jacket and allowing the refrigerant in the refrigerant space to leak out to both sides of the outer jacket when the refrigerant space has a predetermined volume or more.
Description
The present invention freezes the proper portion of the pipe by using liquid nitrogen gas to prevent leakage, and repair the pipe at the point where the water leak occurs when leaking or replacing the valve, such as water, heavy water, sewage, power plant pipes It relates to a freezing device and a freezing method of the pipe for replacing the valve.
Piping is connected to a plant including a power plant, a general home or school such as a water supply system, or a school to guide the flow of grid water. And in order to maintain the system equipment, it is necessary to freeze the front and rear ends of the pipe, this operation is performed when the drainage of the system water filled in the pipe is impossible or impossible to isolate.
However, conventionally, in order to maintain a pipe, there is a problem that a great risk to the safety of the operator because the work must be stopped after the entire system installation or draining fluid accumulated in the pipe.
In order to solve this problem, the rapid freezing device for piping described in Korean Patent Laid-Open No. 2008-0107297 is as shown in FIG. That is, as shown in Figure 1, for the regular maintenance or replacement of the water pipe, the
Accordingly, when the rapid freezing device (not shown) is operated, the liquefied refrigerant discharged from the freezing device is supplied to the
However, the cooling coil has to be wound separately for each pipe to be cut in accordance with the diameter size of the pipe. In this case, the cooling coil may be a metal tube such as a copper tube having excellent heat transfer rate, and it takes a long time to wind the metal tube. Accordingly, there is a problem in that the time for setting the quick frozen device for pipes is long, and the manufacturing cost of the quick frozen device for pipes increases.
In addition, since the pipe is indirectly frozen through the cooling coil, there is a problem in that the freezing time is long.
The present invention is to solve various problems including the above problems, it is an object of the present invention to be applied irrespective of the diameter size of the pipe, it is an object to provide a quick installation device for piping quick freezing.
Another object of the present invention is to provide a quick freezing device for piping having a structure capable of directly freezing the pipe.
The rapid freezing device for piping according to a preferred embodiment of the present invention is bent in a sheet shape and formed to surround the external shape of the pipe while contacting one end of the sheet and the other end thereof, and in a state of wrapping the pipe, When the coolant is injected into the coolant space, the outer jacket is made of a flexible material so as to inflate so as to increase the volume of the coolant space, and is arranged to penetrate the inner surface from the outer surface of the outer jacket, thereby allowing the coolant to flow from the external coolant tank to the coolant space. The refrigerant supply guide portion for supplying the guide and both ends of the outer jacket are fixed, and when the refrigerant space has a predetermined volume or more, the refrigerant in the refrigerant space leaks out to both sides of the outer jacket. It includes an outer fixing portion.
The outer jacket is composed of a glass fiber (non-woven fabric), a non-woven fabric sheet and a fiber having a shape restorability, bonded to the inner surface of the shape restoring portion, the heat insulating portion made of a heat insulating material, and the shape restoring portion Bonded to the outer surface, and may include an outer skin portion including a heat insulating material, and a central fixing portion that is disposed at one end and the other end of the outer skin portion, respectively, to couple between one end and the other end of the outer skin portion.
In this case, the outer jacket is formed with a through hole penetrating between the inner and outer surfaces of the outer jacket, and the coolant supply guide portion is formed from the through passage portion and the through passage portion which are inscribed along the through hole of the outer jacket. A coolant passage extending to protrude from an outer surface of the outer jacket and connected to the outer coolant tank, and the outer hole to preserve the shape of the through hole at an outer side of the through hole in each of the inner and outer surfaces of the outer jacket; It may include a rigid support made of a material having a relatively rigid than the jacket.
The rapid freezing device for piping according to the present invention can be applied regardless of the diameter size of the pipe, because it can be wrapped in the size of the pipe with an outer jacket having a shape restoration.
In addition, by supplying a coolant between the outer jacket and the pipe, the coolant can directly cool the pipe, it is possible to shorten the freezing time.
1 is a cross-sectional view showing a conventional rapid freezing device for piping.
2 is a conceptual diagram illustrating a shape in which a rapid freezing device for pipes according to a preferred embodiment of the present invention is mounted on a pipe.
FIG. 3 is an exploded perspective view illustrating the rapid icing device for piping of FIG. 2.
4 is a cross-sectional view showing one end surface of the outer jacket shown in FIG.
5 is a cross-sectional view illustrating the refrigerant supply guide unit in FIG. 2.
6a and 6b are cross-sectional views showing the operation sequence of the rapid icing device for piping of FIG.
7 is a conceptual diagram illustrating an embodiment of a rapid freezing device for piping of the present invention.
Hereinafter, with reference to the accompanying drawings will be described in detail a
2 is a conceptual view showing a shape in which the rapid fastening device for
As shown in Figure 2 and 3, the
In this case, as the refrigerant, various known refrigerants such as liquefied nitrogen and freon gas can be used.
The
The
The coolant
The
That is, the
The refrigerant
4 is a cross-sectional view illustrating one end surface of the
The
The
The
A
FIG. 5 is an enlarged cross-sectional view of the refrigerant
As one of the methods of connecting the connecting
The present invention may further include a
6A and 6B are cross-sectional views showing an example of the operation of the quick
Thereafter, as shown in FIG. 6B, the valve of the
When the coolant is filled in the coolant space A, the coolant is directly communicated with the flow of the
7 is a view showing an embodiment of a rapid freezing device for piping 100 according to an embodiment of the present invention. As shown in FIG. 7, when a failure of the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.
100: pipe quick freezing device 110: outer jacket
111: shape restoration 113: heat insulation
115: outer skin 117: center fixing portion
120: refrigerant supply guide portion 121: refrigerant passage
130: outer fixing portion 140: intermediate transfer member
150: refrigerant tank
Claims (3)
A refrigerant supply guide part disposed to penetrate an inner surface from an outer surface of the outer jacket and to guide the refrigerant from an external refrigerant tank to the refrigerant space; And
An outer fixing part for fixing both ends of the outer jacket and allowing the refrigerant in the refrigerant space to leak out to both sides of the outer jacket when the refrigerant space has a predetermined volume or more;
Rapid freezing device for piping comprising a.
The outer jacket is:
A shape restoring unit having one of glass fiber, a nonwoven sheet, and a fiber and having form restoring property;
An insulating part bonded to the inner side of the shape restoring part and made of an insulating material;
An outer skin portion bonded to the outer surface of the shape restoring portion and including an insulating material; And
A central fixing part disposed at one end and the other end of the outer skin to couple between one end and the other end of the outer skin;
Rapid freezing device for piping comprising a.
The outer jacket is formed with a through hole penetrating between the inner and outer surfaces of the outer jacket,
The refrigerant supply guide unit:
A refrigerant passage including a through passage portion inwardly disposed along the through hole of the outer jacket and a connection portion extending from the through passage portion to protrude from an outer surface of the outer jacket and connected to the external refrigerant tank;
A rigid support part made of a material having a rigidity relatively to that of the outer jacket so as to preserve the shape of the through hole outside the through hole on each of the inner and outer surfaces of the outer jacket;
Rapid freezing device for piping comprising a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110050567A KR20120132014A (en) | 2011-05-27 | 2011-05-27 | Apparatus for rapid freezing a pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110050567A KR20120132014A (en) | 2011-05-27 | 2011-05-27 | Apparatus for rapid freezing a pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20120132014A true KR20120132014A (en) | 2012-12-05 |
Family
ID=47515734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110050567A KR20120132014A (en) | 2011-05-27 | 2011-05-27 | Apparatus for rapid freezing a pipe |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20120132014A (en) |
-
2011
- 2011-05-27 KR KR1020110050567A patent/KR20120132014A/en not_active Application Discontinuation
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