CN208252859U - A kind of boiler safety valve - Google Patents
A kind of boiler safety valve Download PDFInfo
- Publication number
- CN208252859U CN208252859U CN201721772930.4U CN201721772930U CN208252859U CN 208252859 U CN208252859 U CN 208252859U CN 201721772930 U CN201721772930 U CN 201721772930U CN 208252859 U CN208252859 U CN 208252859U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- seal closure
- flange
- safety valve
- cased
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of boiler safety valves, including safe valve body and pressure relief opening, the bottom of the safe valve body is equipped with first passage, the side of safe valve body is equipped with second channel, and first passage and second channel are welded with first flange far from one end of safe valve body, and second flange is welded at the top of pressure relief opening, first sleeve is cased on first passage, and the outside of first sleeve is cased with the first seal closure, and first seal closure and first sleeve have a style of one's own, the side of first seal closure offers gas outlet, the mounting hole of annular array distribution is offered in first flange and second flange, the inside of mounting hole is equipped with fixing bolt, and fastening nut is threaded on fixing bolt, second sleeve is cased on pressure relief opening, and the outside of second sleeve is cased with the second seal closure.The utility model structure is simple, easy to use, the normal use of boiler is effectively guaranteed, while opening the use of boiler certain monitoring effect.
Description
Technical field
The utility model relates to safety valve technical field more particularly to a kind of boiler safety valves.
Background technique
Safety valve is a more special branch of valve family, and it is different from other valves that its particularity, which is because of safety valve,
Door functions only as the effect of switch, it is often more important that plays the safety of protection equipment.With the fast development of economic construction of China,
It is more and more in the items of equipment engineering with pressure management.In view of the needs of equipment pressure release, safety valve is in protection device procedures
In play the role of it is vital.End all kinds of safety valve manufacturers in 2013 and the trader family more than 700, it is daily to hand over
Easy inquiry reaches 200 a plurality of, and safety valve supply and demand market is obviously heated up.Pass through first quarter data preliminary analysis, safety valve demand
Amount will be higher by 20 percentage points.Safety valve be boiler, pressure vessel and other by safety attachment important on press device.Peace
Full valve (also known as relief valve) is operating pressure (operating temperature) automatic open close according to pressure system, is generally mounted to closed system
Equipment or pipeline on protection system safety.When equipment or manifold pressure or temperature are more than safety valve setting pressure, automatically
Open pressure release or cooling, guarantee equipment and pipeline internal medium pressure (temperature) under setting pressure (temperature), protection equipment and
Pipeline works normally, and prevents accident, reduces loss.Safety valve is mainly widely used in: steam boiler, liquefaction stone sealing
Full copper safety valve oil gas tank wagon or liquefied petroleum gas railway tanker, producing well, the high pressure turbine by of steam generating equipment, pressure
Pipeline, pressure vessel etc..Safety valve is generally divided into spring loaded safety valve and lever safety valve, pulse type safety by structure type
Valve, wherein spring loaded safety valve application is the most universal;It is divided into screw thread safety valve and flange safe valve by connection type.Relief valve port
Diameter generally all less, commonly all between DN15mm-DN80mm, is generally referred to as heavy caliber safety valve more than 150mm.
However the existing safety valve by flanged joint may be because that flange connections loosen in use
Gas is caused to leak, so that safety in production is affected, thus it is proposed that a kind of boiler safety valve.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of boiler safety proposed
Valve.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of boiler safety valve, including safe valve body and pressure relief opening, it is logical that the bottom of the safe valve body is equipped with first
The side in road, safe valve body is equipped with second channel, and the one end of first passage and second channel far from safe valve body is welded
It is connected to first flange, and is welded with second flange at the top of pressure relief opening, is cased with first sleeve on first passage, and first sleeve
Outside is cased with the first seal closure, and the first seal closure and first sleeve are had a style of one's own, and the side of the first seal closure offers outlet
Mouthful, the mounting hole of annular array distribution is offered in first flange and second flange, the inside of mounting hole is equipped with fixing bolt, and
It is threaded with fastening nut on fixing bolt, is cased with second sleeve on pressure relief opening, and to be cased with second close for the outside of second sleeve
Sealing cover, and the second seal closure has a style of one's own with second sleeve, and one end of the second seal closure is located at the inside of the second seal closure, the
External screw thread is offered on the outer wall of one channel and pressure relief opening, and offers interior spiral shell on the inner wall of first sleeve and second sleeve
Line.
Preferably, there is escape pipe in the one end of the gas outlet far from the first seal closure by flanged joint, and escape pipe is remote
The one end for separating out port is equipped with loudspeaker, is equipped with solenoid valve on escape pipe.
Preferably, pressure sensor, and the model CWZ11 of pressure sensor are installed at the top of first seal closure
Pressure sensor.
Preferably, the first sleeve is located at the top of first flange, and second sleeve is located at below second flange, and first
Sleeve and second sleeve are threadedly coupled with first passage and pressure relief opening respectively.
Preferably, the inner wall of first seal closure is equipped with internal screw thread, and the outer wall of the second seal closure is equipped with outer spiral shell
Line, and the first seal closure and the second seal closure are threadedly coupled.
The utility model beneficial effect is:
By safe valve body, second channel, first passage, first sleeve, first flange, second flange, fixing bolt,
The structures such as mounting hole, pressure sensor, solenoid valve, gas outlet, escape pipe, loudspeaker, pressure relief opening, second sleeve cooperate, and make
The bolt of proper safety valve junction loosens, and when causing gas leakage, loudspeaker can be issued and be piped, so that staff is timely
It finds the problem and handles in time, the apparatus structure is simple, and it is easy to use, the normal use of boiler is effectively guaranteed, while right
Certain monitoring effect is opened in the use of boiler.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of boiler safety valve structural schematic diagram;
Fig. 2 be the utility model proposes a kind of boiler safety valve partial structurtes enlarged diagram.
In figure: 1 safe valve body, 2 second channels, 3 first passages, 4 first sleeves, 5 first flanges, 6 second flanges, 7
Fixing bolt, 8 mounting holes, 9 pressure sensors, 10 solenoid valves, 11 gas outlets, 12 escape pipes, 13 loudspeaker, 14 pressure relief openings, 15
Two sleeves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of boiler safety valve, including safe valve body 1 and pressure relief opening 14, the bottom of safe valve body 1
Equipped with first passage 3, the side of safe valve body 1 is equipped with second channel 2, and first passage 3 and second channel 2 are far from safety valve
One end of main body 1 is welded with first flange 5, and the top of pressure relief opening 14 is welded with second flange 6, is cased on first passage 3
First sleeve 4, and the outside of first sleeve 4 is cased with the first seal closure, and the first seal closure and first sleeve 4 are had a style of one's own, the
The side of one seal closure offers gas outlet 11, and the mounting hole of annular array distribution is offered in first flange 5 and second flange 6
8, the inside of mounting hole 8 is equipped with fixing bolt 7, and fastening nut is threaded on fixing bolt 7, is cased on pressure relief opening 14
Second sleeve 15, and the outside of second sleeve 15 is cased with the second seal closure, and the second seal closure has a style of one's own with second sleeve 15,
And second one end of seal closure be located at the inside of the second seal closure, offered on the outer wall of first passage 3 and pressure relief opening 14 outer
Screw thread, and internal screw thread is offered on the inner wall of first sleeve 4 and second sleeve 15.
There is escape pipe 12 in the one end of gas outlet 11 far from the first seal closure by flanged joint, and escape pipe 12 is far from outlet
One end of mouth 11 is equipped with loudspeaker 13, and solenoid valve 10 is equipped on escape pipe 12, and pressure biography is equipped at the top of the first seal closure
Sensor 9, and the model CWZ11 pressure sensor of pressure sensor, first sleeve 4 are located at the top of first flange 5, and second
Sleeve 15 is located at 6 lower section of second flange, and first sleeve 4 and second sleeve 15 connect with first passage 3 and 14 screw thread of pressure relief opening respectively
Connect, the inner wall of the first seal closure is equipped with internal screw thread, and the outer wall of the second seal closure is equipped with external screw thread, and the first seal closure and
Second seal closure is threadedly coupled.
Working principle: when normal mounting, safety valve is mounted on the pressure relief opening 14 of boiler first, passes through fixing bolt 7
So that safety valve firmly installs, first sleeve 4 and second sleeve 15 then will be rotated, so that the first seal closure and the second seal closure
It is threadedly coupled, so that safety valve and 14 junction of boiler pressure relief opening are in the space of a sealing, when safety valve and pressure release
When 14 junctions of mouth leak air, so that the pressure rise of confined space makes so that pressure sensor 9 experiences pressure
It obtains solenoid valve 10 to open, gas enters and leaves loudspeaker 13 by escape pipe 12, so that loudspeaker 8 issue tweeting sound, to remind work
Make personnel, gas leakage occurs, enables staff timely to handle problem, so that the just generation of face accident, ensure that production
Task is normally carried out, and the apparatus structure is simple, easy to use, the normal use of boiler is effectively guaranteed, while to boiler
Use open certain monitoring effect.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of boiler safety valve, including safe valve body (1) and pressure relief opening (14), which is characterized in that the safe valve body
(1) bottom is equipped with first passage (3), and the side of safe valve body (1) is equipped with second channel (2), and first passage (3) and the
Two channels (2) are welded with first flange (5) far from the one end of safe valve body (1), and are welded at the top of pressure relief opening (14)
Second flange (6) is cased with first sleeve (4) on first passage (3), and the outside of first sleeve (4) is cased with the first seal closure, and
First seal closure and first sleeve (4) are had a style of one's own, and the side of the first seal closure offers gas outlet (11), first flange (5)
Fixing bolt (7) are equipped with the inside of the mounting hole (8) for offering annular array distribution on second flange (6), mounting hole (8),
And fastening nut is threaded on fixing bolt (7), it is cased on pressure relief opening (14) second sleeve (15), and second sleeve (15)
Outside be cased with the second seal closure, and the second seal closure has a style of one's own with second sleeve (15), and one end position of the second seal closure
In the inside of the second seal closure, external screw thread, and first sleeve are offered on the outer wall of first passage (3) and pressure relief opening (14)
(4) and on the inner wall of second sleeve (15) internal screw thread is offered.
2. a kind of boiler safety valve according to claim 1, which is characterized in that the gas outlet (11) is far from the first sealing
One end of cover has escape pipe (12) by flanged joint, and escape pipe (12) is equipped with loudspeaker far from the one end of gas outlet (11)
(13), solenoid valve (10) are installed on escape pipe (12).
3. a kind of boiler safety valve according to claim 1, which is characterized in that be equipped at the top of first seal closure
Pressure sensor (9), and the model CWZ11 pressure sensor of pressure sensor.
4. a kind of boiler safety valve according to claim 1, which is characterized in that the first sleeve (4) is located at the first method
The top of blue (5), and second sleeve (15) is located at second flange (6) lower section, first sleeve (4) and second sleeve (15) respectively with
First passage (3) and pressure relief opening (14) are threadedly coupled.
5. a kind of boiler safety valve according to claim 1, which is characterized in that the inner wall of first seal closure is equipped with
Internal screw thread, and the outer wall of the second seal closure is equipped with external screw thread, and the first seal closure and the second seal closure are threadedly coupled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721772930.4U CN208252859U (en) | 2017-12-19 | 2017-12-19 | A kind of boiler safety valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721772930.4U CN208252859U (en) | 2017-12-19 | 2017-12-19 | A kind of boiler safety valve |
Publications (1)
Publication Number | Publication Date |
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CN208252859U true CN208252859U (en) | 2018-12-18 |
Family
ID=64619671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721772930.4U Expired - Fee Related CN208252859U (en) | 2017-12-19 | 2017-12-19 | A kind of boiler safety valve |
Country Status (1)
Country | Link |
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CN (1) | CN208252859U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113324116A (en) * | 2021-06-15 | 2021-08-31 | 莱斯安全阀门(天津)有限公司 | High-stability safety valve and pipeline connecting device |
-
2017
- 2017-12-19 CN CN201721772930.4U patent/CN208252859U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113324116A (en) * | 2021-06-15 | 2021-08-31 | 莱斯安全阀门(天津)有限公司 | High-stability safety valve and pipeline connecting device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20191219 |
|
CF01 | Termination of patent right due to non-payment of annual fee |