CN208750092U - A kind of safety management system of refrigeration system - Google Patents
A kind of safety management system of refrigeration system Download PDFInfo
- Publication number
- CN208750092U CN208750092U CN201821191499.9U CN201821191499U CN208750092U CN 208750092 U CN208750092 U CN 208750092U CN 201821191499 U CN201821191499 U CN 201821191499U CN 208750092 U CN208750092 U CN 208750092U
- Authority
- CN
- China
- Prior art keywords
- spool
- valve body
- valve
- spring
- valve rod
- 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.)
- Active
Links
Abstract
The utility model relates to safety management system technical fields, disclose a kind of safety management system of refrigeration system, including valve body, valve rod is provided in valve body, the two sides of valve body are respectively arranged with ammon entry hole and pressure relief opening, the lower end of valve body is provided with out ammonia mouth, the top of valve rod is connected with valve body screw thread, the lower end of valve rod is provided with guiding mechanism and spring, the lower end of guiding mechanism is provided with spool, the lower end of spring is fixedly connected with the upper surface of spool, spring is set on guiding mechanism, the magnet steel that can be used for that magnetic is generated with spool is additionally provided in valve body, and the magnet steel is between valve rod and spool.It is more than that will continue to carry out pressure release after setting value pushes spool to open pressure relief valve port that the utility model, which can be realized once the pressure of ammonia, by the way that the magnet steel that can be used for generating magnetic with spool is arranged in valve body, valve rod is connected with spool by spring, solves the problems, such as that existing safety valve causes pressure release unstable because of pressure change.
Description
Technical field
The utility model relates to safety management art field, in particular to a kind of safety management systems of refrigeration system.
Background technique
Freezer is that the method manually freezed allows fixed space to reach defined temperature convenient for the building of storage article.
Freezer can be widely applied to food factory, milk plant, pharmaceutical factory etc..And ammonia is a kind of common cheap inorganic compound, simultaneously
It is also a kind of natural refrigerant.Due to its with good thermodynamic property and and atmosphere without any ill effect,
It is played an important role always in the development process of Refrigeration Technique.
Ammonia, which is once leaked because of equipment damage, will cause significant impact to human body and ambient enviroment, and low concentration ammonia is to mucous membrane
Irritating effect, high concentration can directly contribute histolysis necrosis, and high strength ammonia can cause reflexive breathing to stop, liquefied ammonia or height
Concentration ammonia can also cause eye to burn, and ammonia is more than easily to set off an explosion after a certain concentration in air, so in ammonia refrigeration system
To prevent ammonia from using spring loaded safety valve because of high-pressure leakage, when the ammonia for flowing through safety valve reaches certain pressure pusher movable valve plug pressure
Contracting spring opens pressure relief valve port and carries out pressure release, since spool is to reach stress under spring force and ammonia pressure collective effect to put down
Weighing apparatus is discharged by safety valve and is returned in spring in effect bottom spool after a part of pressure when ammonia pressure increases because of equipment fault
Pressure relief valve port is closed again, and so on easily causes the damage of safety valve, while also unstable to the pressure leak process of ammonia, is existed certain
Security risk.
Utility model content
Based on problem above, the utility model provides a kind of safety management system of refrigeration system.The utility model can
Realize once the pressure of ammonia to be more than that will continue to carry out pressure release after setting value pushes spool to open pressure relief valve port, until failure vanishes
The purpose of re-closed valve port, by the way that the magnet steel that can be used for generating magnetic with spool is arranged in valve body, valve rod and spool pass through bullet
Spring connection, solves the problems, such as that existing safety valve causes pressure release unstable because of pressure change.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
A kind of safety management system of refrigeration system, including valve body are provided with valve rod in valve body, and the two sides of valve body are set respectively
It is equipped with ammon entry hole and pressure relief opening, the lower end of valve body is provided with out ammonia mouth, and the top of the valve rod is connected with valve body screw thread, valve rod
Lower end is provided with guiding mechanism and spring, and the lower end of the guiding mechanism is provided with spool, the lower end of the spring and spool
Upper surface is fixedly connected, and the spring is set on guiding mechanism, and being additionally provided in the valve body, which can be used for, generates magnetic with spool
The magnet steel of suction, and the magnet steel is between valve rod and spool.
In the present invention, the ammon entry hole of safety valve is connected with corresponding compressor flange, ammonia by valve it is intracorporal into
Ammonia mouth and out ammonia mouth flow, and when the ammonia pressure generated in compressor is higher than setting value, pressure caused by compressor pushes valve
Core moves up, and since the upper surface of spool is fixedly connected with spring, the upper end of spring is fixedly connected with valve rod, i.e., spool is upward
Mobile and compressed spring, makes spool be moved to pressure relief opening and opens pressure relief opening, the high pressure ammonia generated by equipment fault is drained into
In special container, due to being also equipped with the magnet steel that can be used for generating magnetic with spool, when pressure value is normal, valve above spool
Core does not shift up, and the magnetic generated between magnet steel and spool is not enough to for spool being sucked, if can spool because moved in high pressure with
Magnet steel close to when, the lower surface that magnetic acts on and spool is fixed on to magnet steel occurs for magnet steel and spool, and pressure relief opening is caused to be located always
In opening state, pressure is discharged, when pressure value is normal, turns valve rod compressed spring and guiding mechanism is pushed to make by stabilization
Spool and magnet steel disengaging are returned to original state.
It is more than that will continue after setting value pushes spool to open pressure relief valve port that the utility model, which can be realized once the pressure of ammonia,
Pressure release is carried out, until the purpose of the re-closed valve port of failure vanishes, can be used for generating magnetic with spool by being arranged in valve body
Magnet steel, valve rod and spool are connected by spring, solve the problems, such as that existing safety valve causes pressure release unstable because of pressure change.
As a preferred mode, guiding mechanism includes sleeve, and the lower surface of sleeve is fixedly connected with spool, in sleeve
It is arranged with mandril, the upper end of mandril is fixedly connected with the lower surface of valve rod.
As a preferred mode, magnet steel is set as annular and is set on spring.
As a preferred mode, be provided in valve body and can be used for the groove that spool slides up and down, the bottom of groove and
The upper end of ammon entry hole is concordant.
As a preferred mode, the upper end of valve rod is provided with drive rod, and adjusting rod and hinged is provided on drive rod.
As a preferred mode, the lower surface of spool is provided with annular groove, and it is close to be provided with rubber in annular groove
Seal.
As a preferred mode, valve body is divided into upper valve body and lower valve body, and upper valve body and lower valve body are bolted
It is tightly connected.
Compared with prior art, the utility model has the beneficial effects that
(1) it is more than that will hold after setting value pushes spool to open pressure relief valve port that the utility model, which can be realized once the pressure of ammonia,
It is continuous to carry out pressure release, until the purpose of the re-closed valve port of failure vanishes, can be used for generating magnetic with spool by being arranged in valve body
Magnet steel, valve rod connected with spool by spring, solves the problems, such as that existing safety valve causes pressure release unstable because of pressure change.
(2) guiding mechanism includes sleeve in the utility model, and the lower surface of sleeve is fixedly connected with spool, is arranged in sleeve
There is mandril, the upper end of mandril is fixedly connected with the lower surface of valve rod, can be limited the flexible of spring by guiding mechanism and be replied, keep away
Sidesway occurs for spring free, and valve rod is connected with valve body screw thread, so that mandril is moved down simultaneously compressed spring by turning valve rod, works as mandril
When being displaced downwardly to lower limit in sleeve, moving down for valve rod can push the spool being fixedly connected with sleeve, to make spool
It is detached from the magnetic with magnet steel, convenient for operation.
(3) magnet steel is set as annular and is set on spring in the utility model, and magnet steel, which is designed as annular, makes magnet steel
The inside of outer circumference surface and valve body is more bonded, and is increased contact area, is improved the stability in use of the device.
(4) being provided in valve body in the utility model can be used for the groove that spool slides up and down, the bottom of groove and into ammonia
The upper end of mouth is concordant, and the lower surface of spool and the bottom of groove are in and contradict connection, i.e., by turning valve rod compressible spring, from
And the setup pressure value that adjustable spool moves up, keep the use of the safety valve more flexible.
(5) upper end of valve rod is provided with drive rod in the utility model, and adjusting rod and hinged is provided on drive rod, is passed through
It rotates adjusting rod and increases the arm of force for turning valve rod to turn valve rod to suitable position, save the adjusting of valve rod more
Power.
(6) lower surface of spool is provided with annular groove in the utility model, is provided with rubber seal in annular groove,
After turning valve rod, the ratio pressure on rubber seal surface makes it generate plastic deformation after reaching certain numerical value, keeps junction tight
It does not leak, increases the leakproofness of the connection structure.
(7) valve body is divided into upper valve body and lower valve body in the utility model, and upper valve body and lower valve body are bolted sealing
Upper valve body, is fixedly connected with lower valve body by bolt and is easily installed and dismantles, improve the interchangeability of the safety valve by connection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of A amplification in part in Fig. 1.
Wherein, 1- drive rod, 2- valve rod, 3- upper valve body, 4- spring, 5- magnet steel, 6- pressure relief opening, 7- go out ammonia mouth, 8- into ammonia
Mouth, 9- spool, 10- groove, 11- sleeve, 12- mandril, 13- adjusting rod, 14- annular groove, 15- rubber seal, 16- lower valve
Body.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiments of the present invention includes but unlimited
In the following example.
Embodiment 1:
Referring to Fig. 1~2, a kind of safety management system of refrigeration system, including valve body is provided with valve rod 2, valve body in valve body
Two sides be respectively arranged with ammon entry hole 8 and pressure relief opening 6, the lower end of valve body is provided with out ammonia mouth 7, the top of the valve rod 2 and valve
Body is threadedly coupled, and the lower end of valve rod 2 is provided with guiding mechanism and spring 4, and the lower end of the guiding mechanism is provided with spool 9, institute
The lower end for stating spring 4 is fixedly connected with the upper surface of spool 9, and the spring 4 is set on guiding mechanism, is also set in the valve body
It is equipped with the magnet steel 5 that can be used for that magnetic is generated with spool 9, and the magnet steel 5 is between valve rod 2 and spool 9.
In the present invention, the ammon entry hole of safety valve is connected with corresponding compressor flange, ammonia by valve it is intracorporal into
Ammonia mouth and out ammonia mouth flow, and when the ammonia pressure generated in compressor is higher than setting value, pressure caused by compressor pushes valve
Core moves up, and since the upper surface of spool is fixedly connected with spring, the upper end of spring is fixedly connected with valve rod, i.e., spool is upward
Mobile and compressed spring, makes spool be moved to pressure relief opening and opens pressure relief opening, the high pressure ammonia generated by equipment fault is drained into
In special container, due to being also equipped with the magnet steel that can be used for generating magnetic with spool, when pressure value is normal, valve above spool
Core does not shift up, and the magnetic generated between magnet steel and spool is not enough to for spool being sucked, if can spool because moved in high pressure with
Magnet steel close to when, the lower surface that magnetic acts on and spool is fixed on to magnet steel occurs for magnet steel and spool, and pressure relief opening is caused to be located always
In opening state, pressure is discharged, when pressure value is normal, turns valve rod compressed spring and guiding mechanism is pushed to make by stabilization
Spool and magnet steel disengaging are returned to original state.The utility model can be realized once the pressure of ammonia is more than that setting value pushes spool to beat
It will continue to carry out pressure release after opening pressure relief valve port, until the purpose of the re-closed valve port of failure vanishes, it can by being arranged in valve body
For generating the magnet steel of magnetic with spool, valve rod is connected with spool by spring, solves existing safety valve because pressure change is led
The problem for causing pressure release unstable.
Embodiment 2:
Referring to Fig. 1~2, a kind of safety management system of refrigeration system, including valve body is provided with valve rod 2, valve body in valve body
Two sides be respectively arranged with ammon entry hole 8 and pressure relief opening 6, the lower end of valve body is provided with out ammonia mouth 7, the top of the valve rod 2 and valve
Body is threadedly coupled, and the lower end of valve rod 2 is provided with guiding mechanism and spring 4, and the lower end of the guiding mechanism is provided with spool 9, institute
The lower end for stating spring 4 is fixedly connected with the upper surface of spool 9, and the spring 4 is set on guiding mechanism, is also set in the valve body
It is equipped with the magnet steel 5 that can be used for that magnetic is generated with spool 9, and the magnet steel 5 is between valve rod 2 and spool 9.
Guiding mechanism includes sleeve 11, and the lower surface of sleeve 11 is fixedly connected with spool 9, is arranged with mandril in sleeve 11
12, the upper end of mandril 12 is fixedly connected with the lower surface of valve rod 2.
In the present embodiment, the flexible of spring can be limited by guiding mechanism and replied, spring is avoided to occur sidesway, valve rod and
Valve body screw thread connection makes mandril move down simultaneously compressed spring, when mandril is displaced downwardly to lower limit in sleeve by turning valve rod
When, moving down for valve rod can push the spool being fixedly connected with sleeve, so that spool be made to be detached from the magnetic with magnet steel, be convenient for
Operation.
As a preferred mode, magnet steel 5 is set as annular and is set on spring 4.In which, magnet steel is designed
Inside for the annular outer circumference surface for making magnet steel and valve body is more bonded, and increases contact area, and the use for improving the device is steady
It is qualitative.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 3:
Referring to Fig. 1~2, a kind of safety management system of refrigeration system, including valve body is provided with valve rod 2, valve body in valve body
Two sides be respectively arranged with ammon entry hole 8 and pressure relief opening 6, the lower end of valve body is provided with out ammonia mouth 7, the top of the valve rod 2 and valve
Body is threadedly coupled, and the lower end of valve rod 2 is provided with guiding mechanism and spring 4, and the lower end of the guiding mechanism is provided with spool 9, institute
The lower end for stating spring 4 is fixedly connected with the upper surface of spool 9, and the spring 4 is set on guiding mechanism, is also set in the valve body
It is equipped with the magnet steel 5 that can be used for that magnetic is generated with spool 9, and the magnet steel 5 is between valve rod 2 and spool 9.
It is provided in valve body and can be used for the groove 10 that spool 9 slides up and down, held level with both hands on the bottom of groove 10 and ammon entry hole 8
Together.
In the present embodiment, the lower surface of spool and the bottom of groove are in and contradict connection, i.e., compressible by turning valve rod
Spring keeps the use of the safety valve more flexible so as to the setup pressure value that adjusting spool moves up.
As a preferred mode, the upper end of valve rod 2 is provided with drive rod 1, and adjusting rod 13 is provided on drive rod 1 simultaneously
Hingedly.In which, the arm of force for turning valve rod is increased, is made to turn valve rod to suitable position by rotation adjusting rod
The adjusting of valve rod is more laborsaving.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 4:
Referring to Fig. 1~2, a kind of safety management system of refrigeration system, including valve body is provided with valve rod 2, valve body in valve body
Two sides be respectively arranged with ammon entry hole 8 and pressure relief opening 6, the lower end of valve body is provided with out ammonia mouth 7, the top of the valve rod 2 and valve
Body is threadedly coupled, and the lower end of valve rod 2 is provided with guiding mechanism and spring 4, and the lower end of the guiding mechanism is provided with spool 9, institute
The lower end for stating spring 4 is fixedly connected with the upper surface of spool 9, and the spring 4 is set on guiding mechanism, is also set in the valve body
It is equipped with the magnet steel 5 that can be used for that magnetic is generated with spool 9, and the magnet steel 5 is between valve rod 2 and spool 9.
The lower surface of spool 9 is provided with annular groove 14, and rubber seal 15 is provided in annular groove 14.
In the present embodiment, after turning valve rod, the ratio pressure on rubber seal surface makes it generate modeling after reaching certain numerical value
Property deformation, leak junction tightly not, increase the leakproofness of the connection structure.
As a preferred mode, valve body is divided into upper valve body 3 and lower valve body 16, and upper valve body 3 and lower valve body 16 pass through spiral shell
Bolt fixed seal connection.In which, upper valve body is fixedly connected with lower valve body by bolt and is easily installed and dismantles, is improved
The interchangeability of the safety valve.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
It as above is the embodiments of the present invention.Design parameter in above-described embodiment and embodiment is merely to clear
The verification process of the utility model is stated by Chu, not to limit the scope of patent protection of the utility model, the utility model
Scope of patent protection is still subject to the claims, made by all specifications and accompanying drawing content with the utility model
Equivalent structure variation, similarly should be included in the protection scope of the utility model.
Claims (7)
1. a kind of safety management system of refrigeration system, including valve body, it is provided with valve rod (2) in valve body, the two sides difference of valve body
It is provided with ammon entry hole (8) and pressure relief opening (6), the lower end of valve body is provided with out ammonia mouth (7), it is characterised in that: the valve rod (2)
Top is connected with valve body screw thread, and the lower end of valve rod (2) is provided with guiding mechanism and spring (4), and the lower end of the guiding mechanism is set
Be equipped with spool (9), the lower end of the spring (4) is fixedly connected with the upper surface of spool (9), the spring (4) be set in lead 5 to
In mechanism, the magnet steel (5) that can be used for that magnetic is generated with spool (9) is additionally provided in the valve body, and the magnet steel (5) is located at valve
Between bar (2) and spool (9).
2. the safety management system of refrigeration system according to claim 1, it is characterised in that: the guiding mechanism includes set
Cylinder (11), the lower surface of sleeve (11) are fixedly connected with spool (9), are arranged with mandril (12) in sleeve (11), mandril (12)
Upper end is fixedly connected with the lower surface of valve rod (2).
3. the safety management system of refrigeration system according to claim 2, it is characterised in that: the magnet steel (5) is set as
Annular and be set on spring (4).
4. the safety management system of refrigeration system according to claim 1, it is characterised in that: being provided in the valve body can
Bottom for the groove (10) that spool (9) slides up and down, groove (10) is concordant with the upper end of ammon entry hole (8).
5. the safety management system of refrigeration system according to claim 4, it is characterised in that: upper the 15 of the valve rod (2)
End is provided with drive rod (1), and it is simultaneously hinged that adjusting rod (13) is provided on drive rod (1).
6. the safety management system of refrigeration system according to claim 1, it is characterised in that: the following table of the spool (9)
Face is provided with annular groove (14), is provided with rubber seal (15) in annular groove (14).
7. the safety management system of refrigeration system according to claim 6, it is characterised in that: the valve body is divided into upper valve body
(3) and lower valve body (16), upper valve body (3) and lower valve body (16) are bolted sealed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191499.9U CN208750092U (en) | 2018-07-26 | 2018-07-26 | A kind of safety management system of refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191499.9U CN208750092U (en) | 2018-07-26 | 2018-07-26 | A kind of safety management system of refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208750092U true CN208750092U (en) | 2019-04-16 |
Family
ID=66059122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191499.9U Active CN208750092U (en) | 2018-07-26 | 2018-07-26 | A kind of safety management system of refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208750092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780814A (en) * | 2019-11-07 | 2021-05-11 | 青岛海尔特种电冰柜有限公司 | Adjustable air pressure balance valve and refrigeration device using same |
-
2018
- 2018-07-26 CN CN201821191499.9U patent/CN208750092U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780814A (en) * | 2019-11-07 | 2021-05-11 | 青岛海尔特种电冰柜有限公司 | Adjustable air pressure balance valve and refrigeration device using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105716347A (en) | Liquid nitrogen low-temperature box | |
| CN208750092U (en) | A kind of safety management system of refrigeration system | |
| CN106226008B (en) | A kind of airtight cold plug in all-in-one machine | |
| CN202140576U (en) | Low-temperature stop valve | |
| CN202646808U (en) | High-pressure electromagnetic air control decompression valve | |
| CN204236892U (en) | Cylinder preserved by a kind of self-pressurization tennis | |
| CN209587246U (en) | A kind of high-temperature and high-presure resistent safety valve | |
| CN208331361U (en) | A kind of petroleum pipeline explosion relief valve | |
| CN208750401U (en) | It is a kind of applied to the anti-filing gun filled in self-closing smart valve | |
| CN206555511U (en) | A kind of vacuum air inlet safety valve | |
| CN206074234U (en) | A kind of portable steam dual-purpose safe valve verifies platform | |
| CN207131931U (en) | A kind of big flow pressure reducer | |
| CN210978630U (en) | Air inlet and outlet structure of high-pressure bottle mouth valve | |
| CN105221932B (en) | Low temperature fluid handling arm emergency separating device | |
| CN204153167U (en) | A kind of rock gas control valve blowdown pressure release mouth | |
| CN208123480U (en) | A kind of gas fire-extinguishing facility selector valve | |
| CN202391693U (en) | Safety valve | |
| CN213206675U (en) | Nitrogen safety valve | |
| CN207349790U (en) | A kind of scene supply automatic switchover back-up system device | |
| CN204042088U (en) | Automatic suberization valve | |
| CN212929574U (en) | High gas of security lets out gas column | |
| CN205215992U (en) | Gaseous extinguishing device is used to locomotive | |
| CN108758028B (en) | Dual convenient force type high-pressure gas cylinder safety protection device | |
| CN205401757U (en) | Controlling means is failed to natural gas collection | |
| CN204756046U (en) | Fast -assembling break -make plug valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |