CN207394362U - Deep cooling pressure vessel and its temperature-detecting device - Google Patents
Deep cooling pressure vessel and its temperature-detecting device Download PDFInfo
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- CN207394362U CN207394362U CN201721341059.2U CN201721341059U CN207394362U CN 207394362 U CN207394362 U CN 207394362U CN 201721341059 U CN201721341059 U CN 201721341059U CN 207394362 U CN207394362 U CN 207394362U
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- pressure vessel
- casing
- temperature
- sleeve pipe
- described sleeve
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Abstract
The utility model provides a kind of deep cooling pressure vessel and its temperature-detecting device, which includes：Casing, platinum resistance thermometer sensor, terminal box and cable；Casing has hollow cavity and its one end is closed, and one end of sleeve closure is inner end, and the other end is outer end；The inner end of casing is stretched into the inner space of pressure vessel being extended to the outer end of the media contact in pressure vessel, casing outside pressure vessel；Platinum resistance thermometer sensor, is stretched into the hollow cavity of casing and in the inner space of pressure vessel, to gather the medium temperature in the position pressure vessel；The outer end of terminal box and casing is detachably connected, and the end port of terminal box closed casing；One end of cable is connected with platinum resistance thermometer sensor, and hollow cavity of the other end through casing extends to the outer end of casing and be connected with terminal box；The outer end of casing is detachably connected with terminal box, is conveniently replaceable platinum resistance thermometer sensor, simple and quick, so that pressure vessel provides reliable and stable detection data during normal use.
Description
Technical field
The utility model is related to low-temperature storage tank field more particularly to a kind of deep cooling pressure vessels and its temperature-detecting device.
Background technology
Vacuum insulation deep cooling pressure vessel is widely used in the cryogenic medias such as storage LNG, LN2, L02, LAr, with standard
The requirement of specification and user's actual needs are installed temperature-detecting device on the type III pressure vessel and are realized to medium temperature progress in fact
When monitoring to ensure that the application case of tank body safety is more and more, such as《Liquefied Natural Gas fuel filling landing stage waterborne enters grade with building
Make specification》In be just distinctly claimed " storage tank should along short transverse set at least three sets of independent temperature measuring equipments ".
In actual use, since the in vivo medium of tank is influenced by different sources and different operating operating mode, may cause
In tank there is layering in medium.In the case of the medium excessive temperature differentials of each interlayer, in tank medium can generate it is improper rolling so as to
Tank body pressure is caused to raise rapidly, larger risk is brought to the safe operation of product.By to storage tank medium in different height
Temperature monitored in real time, and then judge whether storage tank medium needs to carry out interior circulate operation, be distributed medium temperature in tank
Uniformly, risk probability of happening is reduced, so as to ensure the safety of tank body.
And current conventional structure is to set two groups of temperature measuring equipments, one of which measuring device in everywhere measurement point
It uses, another group is used as acknowledgment copy.In pressure vessel manufacturing, two groups of devices need to be welded in inner canister in advance, only draw electricity
On the outside of cable to tank body, such as the damage of one of which device in actual use, stand-by provision is just enabled.But because of pressure vessel
Projected life is generally 10~20 years, by above-mentioned way, if two groups of devices are all damaged during use, is not destroying
Replacement can not be repaired in the case of tank body, so as to cause the temperature monitoring interruption to tank body, there is very big potentiality risk.
Therefore, from security consideration, the temperature detection structure of vacuum insulation deep cooling pressure vessel is greatly improved space.
Utility model content
In order to solve the above-mentioned technical problem, the utility model lies in that providing a kind of deep cooling pressure vessel and its temperature detection dress
It puts, to solve the platinum resistance thermometer sensor, in prior art temperature-detecting device in fragile the problems such as being difficult to replace on container.
For above-mentioned technical problem, the utility model proposes a kind of temperature-detecting device of deep cooling pressure vessel, to examine
Medium temperature in pressure measurement force container, the temperature-detecting device include：Casing, platinum resistance thermometer sensor, terminal box and cable；Casing
It is closed with hollow cavity and its one end, one end of described sleeve pipe closing is inner end, and the other end is outer end；It stretches the inner end of described sleeve pipe
Enter in the inner space of pressure vessel extending to the pressure with the outer end of the media contact in pressure vessel, described sleeve pipe
Outside container；Platinum resistance thermometer sensor, is stretched into the hollow cavity of described sleeve pipe and in the inner space of pressure vessel, to gather the position
Medium temperature in pressure vessel；The outer end of terminal box and described sleeve pipe is detachably connected, and the terminal box closes the set
The end port of pipe；One end of cable is connected with the platinum resistance thermometer sensor, and hollow cavity of the other end through described sleeve pipe extends to institute
It states the outer end of casing and is connected with the terminal box.
In a preferred approach, the terminal box is threadedly coupled with the outer end of described sleeve pipe.
In a preferred approach, the outer end of described sleeve pipe is fixedly connected with a joint for fittings with internal threads；The terminal box includes：
Wiring box body and the connecting portion being connected on the wiring box body, the wiring box body have inner cavity, the connecting portion
Being axially arranged with through hole and its periphery has external screw thread with the connector screw-internal thread fit, and the through hole of the connecting portion connects with described
Wire box chamber body connects；Through hole of the cable through the connecting portion stretches into the interior intracavitary of the wiring box body.
In a preferred approach, the inner end of described sleeve pipe is by setting a plug or sealing plate to close the inner end port, the platinum
Thermal resistance is located at the inner end of described sleeve pipe.
The utility model also proposes a kind of deep cooling pressure vessel, including tank body and with along in the tank body short transverse between
Every multiple temperature-detecting devices of distribution, the temperature-detecting device is above-mentioned temperature-detecting device.
In a preferred approach, the tank body includes outer tank body and is arranged at the in vivo inner tank body of the outer tank, the outer tank
It is vacuum interlayer between body and inner tank body.
In a preferred approach, described sleeve pipe has an at least bending part, and the bending part is in the vacuum interlayer；Institute
It is substantially v-shaped to state bending part.
In a preferred approach, described sleeve pipe includes：First sleeve, the second casing and it is connected to the first sleeve and second
Pipe fitting between casing；There is the pipe fitting intercommunicating pore, the first sleeve and the second casing to pass through the intercommunicating pore phase
Intercommunicated, the axial periphery of the pipe fitting is fixedly connected with the inner tank body；The first sleeve is away from the pipe fitting
One end forms the inner end of described sleeve pipe, and the one end of second casing away from the pipe fitting forms the outer end of described sleeve pipe.
In a preferred approach, the pipe thickness of the pipe fitting is more than the thickness of pipe wall of the first sleeve and the second casing
Degree.
In a preferred approach, the pipe fitting is substantially cylindrical, and both ends are socketed on the first sleeve and respectively
Two casings.
Compared with prior art, the utility model has the advantages that：The temperature-detecting device of the utility model,
The outer end of casing is stretched out outside pressure vessel, and is detachably connected with terminal box, after platinum resistance thermometer sensor, damage only need to by terminal box from
The outer end of casing is removed, and platinum resistance thermometer sensor, is extracted out from casing, changes after new platinum resistance thermometer sensor, threading again, entire to grasp
Make that process is simple and fast, so that pressure vessel provides reliable and stable detection data during normal use.
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment pressure vessel one end.
Fig. 2 is the structure diagram that centre position temperature-detecting device is connected with tank body in Fig. 1.
Fig. 3 is the partial enlargement structural representation of part A in Fig. 2.
Fig. 4 is the partial enlargement structural representation of part B in Fig. 2.
The reference numerals are as follows：2nd, tank body；21st, outer tank body；22nd, inner tank body；23rd, vacuum interlayer；3rd, temperature detection fills
It puts；31st, casing；311st, first sleeve；312nd, the second casing；313rd, pipe fitting；314th, plug；315th, connector；32nd, platinum thermoelectricity
Resistance；33rd, terminal box；331st, wiring box body；332nd, connecting portion；34th, cable；301st, gasket seal；A, bending part.
Specific embodiment
Embodying the exemplary embodiment of the utility model features and advantages will describe in detail in the following description.It should be understood that
Be that the utility model can have various variations in different embodiments, all do not depart from the model of the utility model
It encloses, and the descriptions and illustrations are essentially for illustration purposes rather than to limit the utility model.
Refering to Fig. 1 to Fig. 4, deep cooling pressure vessel provided in this embodiment, predominantly pressure vessel peculiar to vessel, including tank body
2 and multiple temperature-detecting devices 3 with being spaced apart along in 2 short transverse of tank body, the temperature-detecting device 3 is detecting pressure
Medium temperature in container, the temperature-detecting device 3 include：Casing 31, platinum resistance thermometer sensor, 32, terminal box 33 and cable 34.
Casing 31 has hollow cavity and its one end is closed, and one end that casing 31 is closed is inner end, and the other end is outer end；Casing
31 inner end is stretched into the inner space of pressure vessel being extended to the outer end of the media contact in pressure vessel, casing 31
Outside pressure vessel.Platinum resistance thermometer sensor, 32 is stretched into the hollow cavity of casing 31 and in the inner space of pressure vessel, should with acquisition
Medium temperature in the pressure vessel of position.Terminal box 33 and the outer end of casing 31 are detachably connected, and 33 closed casing of terminal box
The 31 end port.34 one end of cable is connected with platinum resistance thermometer sensor, 32, and hollow cavity of the other end through casing 31 extends to casing 31
Outer end and be connected with terminal box 33.
The temperature-detecting device 3 of the present embodiment, the outer end of casing 31 are stretched out outside pressure vessel, and can with terminal box 33
Dismantling connection, platinum resistance thermometer sensor, 32 only need to remove terminal box 33 from the outer end of casing 31 after damaging, by platinum resistance thermometer sensor, 32 from casing
It is extracted out in 31, changes after new platinum resistance thermometer sensor, 32 threading 31 again, whole operation process is simple and fast, so that pressure is held
Device provides reliable and stable detection data during normal use.
Specifically, the tank body 2 of the present embodiment pressure vessel is horizontal tank body, including：It outer tank body 21 and is arranged at outer
Inner tank body 22 in tank body 21 is vacuum interlayer 23 between outer tank body 21 and inner tank body 22.Temperature-detecting device 3 is arranged at tank body
The end socket position of 2 one end, quantity are three, and three temperature-detecting devices 3 are spaced apart in the height direction.
In other embodiments, pressure vessel can also be non-pressure vessel peculiar to vessel, such as be applied to land；Tank body 2
It is but vertical.
The casing 31 of the temperature-detecting device 3 of the present embodiment includes：First sleeve 311, the second casing 312 and it is connected to
Pipe fitting 313 between 311 and second casing 312 of sleeve.
Pipe fitting 313 has intercommunicating pore, and 311 and second casing 312 of first sleeve is interconnected by intercommunicating pore, pipe fitting
313 axial periphery is fixedly connected with inner tank body 22.In one end forming sleeves 31 of the first sleeve 311 away from pipe fitting 313
End, the outer end of one end forming sleeves 31 of second casing 312 away from pipe fitting 313.
Further, the inner end of casing 31 is by setting plug 314 to close the inner end port.
In other embodiments, the inner end of casing 31 can also be by setting sealing plate to close the inner end port.
More preferably, the pipe thickness of pipe fitting 313 is more than the pipe thickness of 311 and second casing 312 of first sleeve, so as to
It is welded and fixed in pipe fitting 313 and inner tank body 22.Pipe fitting 313 is substantially cylindrical, and both ends are socketed on first respectively
311 and second casing 312 of casing, as shown in figure 3, to strengthen pipe fitting 313 and first sleeve 311,312 connection position of the second casing
The leakproofness put.
The first sleeve 311 of the present embodiment is located in inner tank body 22, and the second casing 312 is located at vacuum interlayer 23 and extends to
Outside outer tank body 21.Wherein, there is the bending part a of a V-arrangement on the second casing 312, the V-arrangement point of bending part a is smooth
Transition, the setting of bending part a is to avoid occurring the fracture of casing 31 during 2 shrinkage of tank body.
In actual use, bending part a can also be the other shapes in addition to V-arrangement, and the quantity of bending part a is also not necessarily limited to
One.
Terminal box 33 is threadedly coupled with the outer end of casing 31, i.e., one end spiral shell outside pressure vessel is stretched out with the second casing 312
Line connects.
Casing 31 further includes connector 315, and one end of the connector 315 stretches out one end outside pressure vessel with the second casing 312
It is fixedly connected, the other end of connector 315 has the outer end of internal thread and forming sleeves 31.
Terminal box 33 includes：Wiring box body 331 and the connecting portion 332 being connected on wiring box body 331.Terminal box sheet
Body 331 has inner cavity, and connecting portion 332 is axially arranged with through hole and its periphery is with the external screw thread with 315 screw-internal thread fit of connector, connects
The through hole of socket part 332 is connected with 331 inner cavity of wiring box body；Through hole of the cable 34 through connecting portion 332 stretches into wiring box body
331 interior intracavitary.Further, the connecting portion 332 of terminal box 33 is additionally provided with gasket with the position that the outer end of casing 31 connects
Piece 301, to strengthen leakproofness.The wiring box body 331 of the present embodiment is substantially oblong-shaped to be conveniently operated personnel and holds and pacified
Assembly and disassembly, and in actual use, the shape of wiring box body 331 can be prismatic or irregular shape.
The platinum resistance thermometer sensor, 32 of the present embodiment is armoured Pt thermal resistance, is located at the inner end positions of casing 31.
In actual use or other are suitable for the resistance of low temperature, not limit herein.
The cable 34 of the present embodiment is armored cable line, and its one end is connected with platinum resistance thermometer sensor, 32, and the other end is through casing 31
Hollow cavity stretch into terminal box 33, and extend outwardly through terminal box 33 be connected with external control system, it is hot to transmit platinum
The medium temperature in pressure vessel that resistance 32 gathers.
It should be noted that be the hollow cavity of sealing in casing 31, before with 33 closed casing of terminal box, 31 outer end,
Using dry nitrogen to being purged in casing 31.
Although describing the utility model with reference to more than exemplary embodiment, it is to be understood that, term used is to say
Term bright and exemplary, and not restrictive.Since the utility model can be in a variety of forms embodied without departing from practicality
New is spiritual or substantive, it should therefore be appreciated that the above embodiment is not limited to any foregoing details, and should be in accompanying right
It is required that widely explained in the spirit and scope limited, thus fall into whole variations in claim or its equivalent scope and
Remodeling all should be appended claims and be covered.
Claims (10)
1. a kind of temperature-detecting device of deep cooling pressure vessel, to detect the medium temperature in pressure vessel, which is characterized in that
The temperature-detecting device includes：
Casing, has hollow cavity and its one end is closed, and one end of described sleeve pipe closing is inner end, and the other end is outer end；The set
The inner end of pipe stretch into the inner space of pressure vessel to the media contact in pressure vessel, the outer end of described sleeve pipe extends
Outside to the pressure vessel；
Platinum resistance thermometer sensor, is stretched into the hollow cavity of described sleeve pipe and in the inner space position of pressure vessel, to gather the position
Put the medium temperature in pressure vessel；
Terminal box is detachably connected with the outer end of described sleeve pipe, and the end port of terminal box closing described sleeve pipe；
Cable, its one end are connected with the platinum resistance thermometer sensor, and hollow cavity of the other end through described sleeve pipe extends to described sleeve pipe
Outer end is simultaneously connected with the terminal box.
2. temperature-detecting device as described in claim 1, which is characterized in that the outer end screw thread of the terminal box and described sleeve pipe
Connection.
3. temperature-detecting device as claimed in claim 2, which is characterized in that the outer end of described sleeve pipe is fixedly connected with one with interior
The connector of screw thread；
The terminal box includes：Wiring box body and the connecting portion being connected on the wiring box body, the wiring box body
With inner cavity, the connecting portion is axially arranged with through hole and its periphery is with the external screw thread with the connector screw-internal thread fit, described
The through hole of connecting portion is connected with the terminal box chamber body；
Through hole of the cable through the connecting portion stretches into the interior intracavitary of the wiring box body.
4. temperature-detecting device as described in claim 1, which is characterized in that the inner end of described sleeve pipe by set a plug or
Sealing plate closes the inner end port, and the platinum resistance thermometer sensor, is located at the inner end of described sleeve pipe.
5. a kind of deep cooling pressure vessel, which is characterized in that including tank body and with being spaced apart along in the tank body short transverse
Multiple temperature-detecting devices, the temperature-detecting device are temperature-detecting device described in Claims 1-4 any one.
6. deep cooling pressure vessel as claimed in claim 5, which is characterized in that the tank body includes outer tank body and is arranged at described
Outer tank in vivo inner tank body is vacuum interlayer between the outer tank body and inner tank body.
7. deep cooling pressure vessel as claimed in claim 6, which is characterized in that described sleeve pipe has an at least bending part, described
Bending part is in the vacuum interlayer；The bending part is substantially v-shaped.
8. deep cooling pressure vessel as claimed in claim 6, which is characterized in that described sleeve pipe includes：First sleeve, the second casing
And the pipe fitting being connected between the first sleeve and the second casing；
The pipe fitting has intercommunicating pore, and the first sleeve and the second casing are interconnected by the intercommunicating pore, the pipe
The axial periphery of connector is fixedly connected with the inner tank body；
The one end of the first sleeve away from the pipe fitting forms the inner end of described sleeve pipe, and second casing is away from the pipe
One end of connector forms the outer end of described sleeve pipe.
9. deep cooling pressure vessel as claimed in claim 8, which is characterized in that the pipe thickness of the pipe fitting is more than described the
The pipe thickness of sleeve and the second casing.
10. deep cooling pressure vessel as claimed in claim 8, which is characterized in that the pipe fitting is substantially cylindrical, both ends
The first sleeve and the second casing are socketed on respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341059.2U CN207394362U (en) | 2017-10-09 | 2017-10-09 | Deep cooling pressure vessel and its temperature-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341059.2U CN207394362U (en) | 2017-10-09 | 2017-10-09 | Deep cooling pressure vessel and its temperature-detecting device |
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| Publication Number | Publication Date |
|---|---|
| CN207394362U true CN207394362U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721341059.2U Active CN207394362U (en) | 2017-10-09 | 2017-10-09 | Deep cooling pressure vessel and its temperature-detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606484A (en) * | 2017-10-09 | 2018-01-19 | 荆门宏图特种飞行器制造有限公司 | Deep cooling pressure vessel and its temperature-detecting device |
-
2017
- 2017-10-09 CN CN201721341059.2U patent/CN207394362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606484A (en) * | 2017-10-09 | 2018-01-19 | 荆门宏图特种飞行器制造有限公司 | Deep cooling pressure vessel and its temperature-detecting device |
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