CN104458109B - A kind of high temperature side pressure device - Google Patents
A kind of high temperature side pressure device Download PDFInfo
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- CN104458109B CN104458109B CN201510006040.1A CN201510006040A CN104458109B CN 104458109 B CN104458109 B CN 104458109B CN 201510006040 A CN201510006040 A CN 201510006040A CN 104458109 B CN104458109 B CN 104458109B
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- helical annular
- effluent trough
- device body
- high temperature
- intake chamber
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- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of high temperature side pressure device, it has the liquid of high temperature or the intensity of pressure of gas medium for detection, including: device body, it is column, and wherein the heart in the axial direction on be provided with cooling cavity, described device body upper end sidewall offers intake chamber and effluent trough the most relatively, and it is provided with pressure measurement groove on the position the most contour with intake chamber and effluent trough, described device body is provided with helical annular air drain in the lower section of pressure measurement groove, described device body is additionally provided with the helical annular tank group being distributed along its axis direction in the lower sidewalls of intake chamber and effluent trough, the upper end of described helical annular tank group connects with described intake chamber and effluent trough respectively.It is shorter that the present invention has simple in construction, length, small volume, it is easy to accomplish advantage, all have greatly improved in its accuracy of detection, cooling effect, service life simultaneously.
Description
Technical field
The present invention relates to pressure gauge aspect, be specifically related to a kind of high temperature side pressure device.
Background technology
In the industrial production, it will usually need having inside head conduit or the machinery of high temperature
Pressure be monitored, prevent from making generation security incident because its internal pressure is excessive, usual pressure carry
Pipeline pressure is excessive and the critical point of overpressure conveyance conduit, easily produces booster so that it is internal defeated
Its on-site people, thing are caused damage by the high temperature or the poisonous medium that send, pollute air；Simultaneously
Machinery internal high temperature and have pressure when producing, easily affects the service life of machinery body,
The intensity of pressure exceedes the pressing force threshold point of machinery simultaneously, can directly damage machinery, and to external world
People, thing damages.
But it is that the common medium to having high temperature usually there will be when detecting problematically, one is to be situated between
The too high meeting of temperature of matter directly affects the accuracy of detection of pressure sensing instruments, it is common practice to pressure measurement
The length of sampling conduit is set so that it is natural cooling during transmission, but this method is scarce
Point is some space；Two is the most single by the cooling oil of circulation etc. in the outside of force samples pipeline
Mode the medium of the conveying in force samples pipeline is cooled down, as number of patent application is
A kind of high temperature pressure transmitting device of 201320799013.0, it directly uses and is arranged at force samples pipeline
Outside cooling oil force samples pipeline is cooled down, it has problems in that, radiating mode list
One, thermal conduction effect is inconspicuous, and in the case of sampling conduit is shorter, it does not reaches optimal heat radiation effect
Really, the accuracy of detection of pressure sensing instruments is affected；Three is that pressure transmission pipeline uses coil pipe, although it increases
Add medium in the time of staying within sampling conduit, win the time for reducing medium temperature, but medium
Pressure also relatively reduce because of the reason of coil pipe, have impact on the accuracy of detection of pressure sensing instruments equally.
Summary of the invention
It is an object of the invention to solve at least the above and/or defect, and provide after at least and will say
Bright advantage.
It is a still further object of the present invention to provide a kind of high temperature side pressure device, overcome original pressure tester
Deficiency, has simple in construction, length shorter, small volume, it is easy to accomplish advantage, its detection simultaneously
Precision, cooling effect, service life all have greatly improved.
In order to realize according to object of the present invention and further advantage, it is provided that a kind of high temperature side pressure device,
It has the liquid of high temperature or the intensity of pressure of gas medium for detection, including:
Device body, it is column, and wherein the heart in the axial direction on be provided with for detected medium stream
The cooling cavity entered, and the cross section of described cooling cavity is T-shaped,
Wherein, described device body upper end sidewall offers intake chamber and effluent trough the most relatively,
And on the position the most contour with intake chamber and effluent trough, it being provided with pressure measurement groove, described device body is being surveyed
The lower section of indent is provided with helical annular air drain, and the upper end of described helical annular air drain is with described pressure measurement groove even
Logical, the sidewall of described helical annular air drain is connected with cooling cavity by multiple through holes；Described device body
The lower sidewalls of intake chamber and effluent trough is additionally provided with the helical annular tank being distributed along its axis direction
Group, the upper end of described helical annular tank group connects with described intake chamber and effluent trough respectively；
Cover plate group, it is arranged on the outer wall of described device body, and by described helical annular tank group, spiral shell
Rotation annular gas tank covers and makes it respectively constitute chilled(cooling) water return (CWR) and air pressure detection path.
Preferably, wherein, described helical annular tank group includes helical annular intake chamber and helical annular
Effluent trough, described helical annular intake chamber and helical annular effluent trough pass through in the lower end of device body to match
The annular transitional section closed connects, and the upper end of described helical annular intake chamber and helical annular effluent trough is divided
It is not connected with intake chamber, effluent trough.
Preferably, wherein, described helical annular intake chamber, helical annular effluent trough, helical annular gas
The side sidewall of groove is in close contact with device body inwall.
Preferably, wherein, described cover plate group includes going out with helical annular intake chamber, helical annular respectively
Helical annular intake chamber cover plate that tank, helical annular air drain match, helical annular effluent trough cover plate,
Helical annular air drain cover plate.
Preferably, wherein, admitting pipe joint, titting water outlet and piezometer tube joint are also included, and respectively
Joint is connected respectively the intake chamber to described device body, effluent trough and pressure measurement groove.
Preferably, wherein, the free end of described pressure measurement pipe joint connects with Pressure gauge or pressure transducer
Connect.
Preferably, wherein, described device body, cover plate group, admitting pipe joint, outlet pipe union joint,
Piezometer tube joint all uses aluminium alloy or magnesium alloy to make.
Preferably, wherein, the bottom of described device body is attached with outside by flange, top
Closed by block.
The present invention at least includes following beneficial effect: owing to being provided with helical annular air drain in device body
With helical annular tank, therefore have the effect that
High temperature side pressure device in the present invention, its simple in construction, length are shorter, small volume, it is easy to real
Existing.
High temperature side pressure device in the present invention, in the case of itself is shorter, the first step is by cooling sky
The heat of detected medium is exported on device body by chamber, and second step is by being close to device body inwall
To be checked by device body and helical annular air drain of upper and adjacent with helical annular air drain chilled(cooling) water return (CWR)
Survey medium heat take away most, the 3rd step by sleeve with the external world heat exchange realize conduction of heat
Take away other sub-fraction heat, dropped with the temperature realizing the detected medium by having high temperature by three steps
The function of the low operating temperature range to pressure sensing devices, can make the normal work of pressure sensing devices,
The most pressure sensing devices is not caused damage, extends the service life of pressure sensing devices.
High temperature side pressure device in the present invention, the material of device body all selects the aluminum that thermal conduction effect is excellent
Alloy or magnesium alloy, faster, cooling effect is more preferable for thermal conduction effect.
High temperature side pressure device in the present invention, its through hole passing through small-bore on helical annular air drain and cooling
Cavity connects so that the pressure medium flowing into helical annular air drain strengthens accordingly, but medium is at helical annular
In air drain, during flowing, its pressure size but has a certain amount of decay, decays and after enhancing cancels out each other,
Making the gas pressure data detected the most accurate than the data to live, accuracy of detection is higher.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will
By the research of the present invention and practice are understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high temperature side pressure device of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of a kind of high temperature side pressure device of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art's reference
Description word can be implemented according to this.
Should be appreciated that used herein such as " have ", " comprising " and " including " term also
Do not allot other element one or more or the existence of a combination thereof or interpolation.
As shown in Figure 1-2, the present invention provides a kind of high temperature side pressure device, and it has high temperature for detection
Liquid or the intensity of pressure of gas medium, including:
Device body 100, it is column, and wherein the heart in the axial direction on be provided with cooling cavity 110,
Described cooling cavity 110 is for accommodating medium to be detected, and the cross section of described cooling cavity 110 is T
Shape；
Wherein, described device body 100 upper end sidewall offers intake chamber 120 the most relatively
With effluent trough 130, and it is provided with survey on the position the most contour with intake chamber 120 and effluent trough 130
Indent 140, described device body 100 is provided with helical annular air drain 150 in the lower section of pressure measurement groove 140,
The upper end of described helical annular air drain 150 connects with described pressure measurement groove 140, described helical annular air drain 150
Sidewall by multiple through holes 151 with cool down cavity 110 connect；Described device body 100 is at intake chamber
120 and effluent trough 130 lower sidewalls on be additionally provided with the helical annular tank being distributed along its axis direction
Group 160, the upper end of described helical annular tank group 160 respectively with described intake chamber 120 and effluent trough 130
Connection；
Cover plate group 200, it is arranged on the outer wall of described device body 100, and by described helical annular water
Groove group 160, helical annular air drain 150 cover and make it respectively constitute chilled(cooling) water return (CWR) and air pressure detection path；
Described cover plate group is separated each other for tank group and air drain group and closes, for the later stage by cold
But in water loop, the water of flowing takes away device body 100, cooling cavity 110 and air pressure detection path
The heat of air pressure to be detected.
In another kind of embodiment, described helical annular tank group 160 includes helical annular intake chamber 161
With helical annular effluent trough 162, described helical annular intake chamber 161 and helical annular effluent trough 162 exist
The lower end of device body 100 is connected by the annular transitional section (not shown) matched, described spiral shell
Rotation annular intake chamber 161 and helical annular effluent trough 162 upper end respectively with intake chamber 120, effluent trough
130 connect.Unique design in its structure so that the cooling water injected in chilled(cooling) water return (CWR) is the most first noted
Enter the bottom of chilled(cooling) water return (CWR) so that it is cooling procedure always in trend from down to up, and because of inside it not
The disconnected recirculated cooling water discharged can take away simultaneously passed over by cooling heat, on device body
Heat and helical annular air drain in the heat of gas to be detected, cooling effect having as compared with the past is notable
Progress.
In another kind of embodiment, described helical annular intake chamber 161, helical annular effluent trough 162, spiral shell
The side sidewall of rotation annular gas tank 150 is in close contact with device body inwall so that it can band walking apparatus
Heat on body 100, also can take away cooling cavity in 110 a part of heat, heat transfer effect is more
By force.
In another kind of embodiment, described cover plate group 200 include respectively with helical annular intake chamber 161,
Helical annular intake chamber cover plate 210 that helical annular effluent trough 162, helical annular air drain 150 match,
Helical annular effluent trough cover plate 220, helical annular air drain cover plate 230, the design of this structure is to enter
Carry out each other between tank, effluent trough, air drain being spaced and separating, prevent between the medium in each groove
Mutually mixing, to reach good detection state.
In another kind of embodiment, also include admitting pipe joint 300, titting water outlet 400 and pressure-measuring pipe
Joint 500, and each joint is connected respectively the intake chamber 120 to described device body, effluent trough
130 and pressure measurement groove 140, described admitting pipe joint 300, titting water outlet 400 and piezometer tube joint 500
For being connected with external devices.
In another kind of embodiment, the free end of described piezometer tube joint 500 and Pressure gauge (not shown)
Or pressure transducer (not shown) connects, for the pressure medium in helical annular air drain 150 is carried out
Detection.
In another kind of embodiment, described device body 100, cover plate group 200, admitting pipe joint 300,
Titting water outlet 400 and piezometer tube joint 500 all use aluminium alloy or magnesium alloy to make, and which increase
The effective area of heat transfer, aluminium alloy or the excellent heat transfer effect of magnesium alloy, can guarantee that pressure is examined simultaneously
Survey device to complete to detect work under specified operating temperature, greatly strengthen the use of pressure sensing devices
Life-span.
In another kind of embodiment, the bottom of described device body 100 is carried out with outside by flange 600
Connecting, top is closed by block 700.
Number of devices described herein and treatment scale are used to the explanation of the simplification present invention.To the present invention
Helical annular air drain and the application of helical annular tank, modifications and variations to those skilled in the art come
Say and be apparent from.
As it has been described above, according to the present invention, owing to being provided with helical annular air drain and spiral in device body
Annular water tank, therefore has the effect that
High temperature side pressure device in the present invention, its simple in construction, length are shorter, small volume, it is easy to real
Existing.
High temperature side pressure device in the present invention, in the case of itself is shorter, the first step is by cooling sky
The heat of detected medium is exported on device body by chamber, and second step is by being close to device body inwall
To be checked by device body and helical annular air drain of upper and adjacent with helical annular air drain chilled(cooling) water return (CWR)
Survey medium heat take away most, the 3rd step by sleeve with the external world heat exchange realize conduction of heat
Take away other sub-fraction heat, dropped with the temperature realizing the detected medium by having high temperature by three steps
The function of the low operating temperature range to pressure sensing devices, can make the normal work of pressure sensing devices,
The most pressure sensing devices is not caused damage, extends the service life of pressure sensing devices.
High temperature side pressure device in the present invention, the material of device body all selects the aluminum that thermal conduction effect is excellent
Alloy or magnesium alloy, faster, cooling effect is more preferable for thermal conduction effect.
High temperature side pressure device in the present invention, its through hole passing through small-bore on helical annular air drain and cooling
Cavity connects so that the pressure medium flowing into helical annular air drain strengthens accordingly, but medium is at helical annular
In air drain, during flowing, its pressure size but has a certain amount of decay, decays and after enhancing cancels out each other,
Making the gas pressure data detected the most accurate than the data to live, accuracy of detection is higher.
High temperature side pressure device in the present invention, it is by cover plate group to intake chamber, effluent trough, air drain each other
Between carry out being spaced and strictly distinguishing so that the medium in each groove mutually will not produce mixing, it is ensured that dress
Put and be in excellent detection state.
Although embodiment of the present invention are disclosed as above, but it is not restricted to description and embodiment party
Listed utilization in formula, it can be applied to various applicable the field of the invention completely, for being familiar with ability
For the personnel in territory, be easily achieved other amendment, therefore without departing substantially from claim and etc. homotype
Enclosing under limited general concept, the present invention is not limited to specific details and shown here as the figure with description
Example.
Claims (8)
1. a high temperature side pressure device, it is strong for the pressure detecting liquid or the gas medium with high temperature
Degree, it is characterised in that including:
Device body, it is column, and wherein the heart in the axial direction on be provided with for detected medium stream
The cooling cavity entered, and the cross section of described cooling cavity is T-shaped,
Wherein, described device body upper end sidewall offers intake chamber and effluent trough the most relatively,
And on the position the most contour with intake chamber and effluent trough, it being provided with pressure measurement groove, described device body is being surveyed
The lower section of indent is provided with helical annular air drain, and the upper end of described helical annular air drain is with described pressure measurement groove even
Logical, the sidewall of described helical annular air drain is connected with cooling cavity by multiple through holes；Described device body
The lower sidewalls of intake chamber and effluent trough is additionally provided with the helical annular tank being distributed along its axis direction
Group, the upper end of described helical annular tank group connects with described intake chamber and effluent trough respectively；
Cover plate group, it is arranged on the outer wall of described device body, and by described helical annular tank group, spiral shell
Rotation annular gas tank covers and makes it respectively constitute chilled(cooling) water return (CWR) and air pressure detection path.
2. high temperature side pressure device as claimed in claim 1, it is characterised in that described helical annular tank
Group includes helical annular intake chamber and helical annular effluent trough, described helical annular intake chamber and helical annular
Effluent trough is connected by the annular transitional section matched in the lower end of device body, described helical annular
The upper end of intake chamber and helical annular effluent trough is connected with intake chamber, effluent trough respectively.
3. high temperature side pressure device as claimed in claim 2, it is characterised in that described helical annular is intake
Groove, helical annular effluent trough, the side sidewall of helical annular air drain are in close contact with device body inwall.
4. high temperature side pressure device as claimed in claim 3, it is characterised in that described cover plate group includes point
The helical annular not matched with helical annular intake chamber, helical annular effluent trough, helical annular air drain enters
Tank cover plate, helical annular effluent trough cover plate, helical annular air drain cover plate.
5. high temperature side pressure device as claimed in claim 1, it is characterised in that also include admitting pipe joint,
Titting water outlet and piezometer tube joint, and each joint is connected respectively the water inlet to described device body
Groove, effluent trough and pressure measurement groove.
6. high temperature side pressure device as claimed in claim 5, it is characterised in that described piezometer tube joint
Free end is connected with Pressure gauge or pressure transducer.
7. high temperature side pressure device as claimed in claim 5, it is characterised in that described device body, lid
Plate group, admitting pipe joint, titting water outlet, piezometer tube joint all use aluminium alloy or magnesium alloy to make.
8. high temperature side pressure device as claimed in claim 1, it is characterised in that the end of described device body
Portion is attached with outside by flange, and top is closed by block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006040.1A CN104458109B (en) | 2015-01-07 | 2015-01-07 | A kind of high temperature side pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006040.1A CN104458109B (en) | 2015-01-07 | 2015-01-07 | A kind of high temperature side pressure device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104458109A CN104458109A (en) | 2015-03-25 |
| CN104458109B true CN104458109B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006040.1A Active CN104458109B (en) | 2015-01-07 | 2015-01-07 | A kind of high temperature side pressure device |
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| CN (1) | CN104458109B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201358807Y (en) * | 2009-02-23 | 2009-12-09 | 煤炭科学研究总院重庆研究院 | Air on-line detecting device of mine ventilator |
| CN102012297A (en) * | 2010-11-23 | 2011-04-13 | 上海工程技术大学 | Pressure measuring device and method for high temperature medium |
| EP2799830B1 (en) * | 2011-12-28 | 2019-11-20 | Posco | Cooling system performance evaluation apparatus comprising a sensor device |
| CN203616038U (en) * | 2013-12-05 | 2014-05-28 | 明信德诚环境科技无锡有限公司 | Pressure measuring device for high-temperature pressure vessel |
| CN104062065A (en) * | 2014-07-02 | 2014-09-24 | 北京机械设备研究所 | High temperature gas pressure test method |
| CN204373840U (en) * | 2015-01-07 | 2015-06-03 | 绵阳富林岚科技有限责任公司 | A kind of high temperature side pressure device |
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