CN103115691B - Temperature measuring device - Google Patents
Temperature measuring device Download PDFInfo
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- CN103115691B CN103115691B CN201310022135.3A CN201310022135A CN103115691B CN 103115691 B CN103115691 B CN 103115691B CN 201310022135 A CN201310022135 A CN 201310022135A CN 103115691 B CN103115691 B CN 103115691B
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- temperature
- pipeline
- medium
- temperature measuring
- switch valve
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Abstract
The invention provides a temperature measuring device which comprises a temperature measuring pipeline, a first switch valve and a second switch valve, wherein the first switch valve and the second switch valve are arranged at two ends of the temperature measuring pipeline. A temperature measuring element is arranged on the temperature measuring pipeline, and a temperature sensing portion is stretched into the temperature measuring pipeline so as to measure the temperature of a medium in the temperature measuring pipeline. On and off of the temperature measuring pipeline and a medium main pipeline are controlled by the first switch valve and the second switch valve, and the temperature measuring element is arranged on the temperature measuring pipeline. The temperature measuring element is stretched into the temperature sensing portion in the temperature measuring pipeline so as to measure the temperature of liquid in the temperature measuring pipeline. By additionally arranging the temperature sensing pipeline outside the medium main pipeline in production, direct measurement of medium temperature is changed to be indirect measurement of medium temperature in the temperature measuring pipeline after shunting. Thus a damaged temperature measuring element can be safely and conveniently replaced, and normal flow of a medium in a pipeline with a thin pipe diameter is further ensured.
Description
Technical field
The present invention relates to chemical production technical field, more particularly, relate to a kind of temperature measuring equipment.
Background technology
In chemical process; when if desired the medium in production run being measured; usually temperature element (as thermal resistance or thermopair) is installed in protective casing, then protective casing is inserted in medium, be passed to the measurement of realization to medium temperature after on temperature element in medium temperature.
But, Chemical Manufacture is due to the requirement of its operating mode, temperature element needs to work for a long time constantly, particularly in coke-oven plant produces, temperature element generally needs ceaselessly continuous firing, due in the medium in above-mentioned production run, corrosive medium account for very large ratio, and this just makes temperature element be easy to damage.
Simultaneously, if carry out to the temperature element damaged the leakage that replacing can cause measuring media in Chemical Manufacture, particularly do not allow to change temperature element online at coal gas or high-pressure medium, this just causes a lot of temperature measuring point and has an impact to normal production run because can not normally repair after temperature element damage.
In addition, also there is the thinner pipeline of more caliber in the industrial production, as the recycle oil pipeline, circulating water pipeline etc. of blower fan, in order to the temperature of medium in measuring channel after temperature element being installed in the pipeline that caliber is thinner, the sleeve pipe of hot temperature element is easily caused to insert pipeline obstruction after pipeline, medium can not be circulated normally, which not only adds the load of power pump, more cause the waste of energy.
Therefore, how realizing safety, replace the temperature element of damage easily, and ensure the normal circulation of the pipeline internal medium that caliber is thinner further, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of temperature measuring equipment, to realize safety, to replace the temperature element of damage easily, and ensure the normal circulation of the pipeline internal medium that caliber is thinner further.
In order to achieve the above object, the invention provides following technical scheme:
A kind of temperature measuring equipment, comprising:
Thermometric pipeline;
Be separately positioned on the first switch valve and the second switch valve of described thermometric pipe ends;
Temperature element, it is arranged on described thermometric pipeline, and between described first switch valve and described second switch valve, the temperature-sensitive portion of described temperature element stretches in described thermometric pipeline.
Preferably, in above-mentioned temperature measuring equipment, also comprise be arranged on described thermometric pipeline and with the measurement carrier of its UNICOM, the cross-sectional area of the accommodating cavity of described measurement carrier is greater than the cross-sectional area of described thermometric pipeline;
Described temperature element is arranged on described measurement carrier.
Preferably, in above-mentioned temperature measuring equipment, described measurement carrier is provided with the installation base installing described temperature element, described measurement carrier is provided with the boss mounting hole be connected with described installation base adaptation.
Preferably, in above-mentioned temperature measuring equipment, described temperature element is threadedly connected on described installation base.
Preferably, in above-mentioned temperature measuring equipment, described installation base is welded on described measurement carrier.
Preferably, in above-mentioned temperature measuring equipment, described measurement carrier is provided with the carrier connecting pipe be connected with its accommodating cavity, the output terminal of described carrier connecting pipe is provided with the 3rd switch valve.
Preferably, in above-mentioned temperature measuring equipment, described first switch valve and described second switch valve are ball valve.
Preferably, in above-mentioned temperature measuring equipment, described 3rd switch valve is ball valve.
Preferably, in above-mentioned temperature measuring equipment, described temperature element is thermal resistance or thermopair.
Preferably, in above-mentioned temperature measuring equipment, the temperature-sensitive portion of described temperature element is provided with protective casing.
Temperature measuring equipment provided by the invention, comprise thermometric pipeline, be arranged on the first switch valve and the second switch valve of thermometric pipe ends, thermometric pipeline is also provided with temperature element, temperature element is arranged between the first switch valve and second switch valve, and its temperature-sensitive portion stretches in thermometric pipeline, for measuring the temperature of thermometric pipe interior.The two ends of thermometric pipeline are respectively input end and output terminal, and two ends are respectively arranged with the first switch valve and second switch valve, close with the connected sum controlling thermometric pipeline, thermometric pipeline is provided with temperature element, it is arranged between the first switch valve and second switch valve, and the temperature-sensitive portion of temperature element stretches to the inside of thermometric pipeline, when circulation in thermometric pipeline needs the liquid by thermometric, complete the measurement to the fluid temperature in thermometric pipeline by temperature element.The thermometric pipeline of temperature measuring equipment be linked into treat thermometric medium circulation duct on, when the first switch valve and second switch valve are all opened, treat that the medium of thermometric flows in thermometric pipeline, after a period of time, the temperature of thermometric pipeline internal medium with treat in medium circulation tube road that the temperature of thermometric medium is identical, the temperature element arranged in thermometric pipeline is measured the medium temperature in temperature tube road pipeline by its temperature-sensitive portion, and its medium temperature recorded is the temperature of medium circulation tube road medium.
After long-time use, when the reason due to operating mode or when damaging temperature element due to Korrosionsmedium, close the first switch valve and second switch valve successively, thermometric pipeline is closed, now can carry out the maintenance to temperature element or replacing, thus the online reparation achieved temperature element, avoid having an impact normally; Outside the medium distribution channel treating thermometric, set up thermometric pipeline simultaneously, avoid when the caliber of medium main pipeline is less, the medium circulation main pipeline that thermometric easily treated by temperature element causes the problem of obstruction, avoids the load increasing power pump, avoids the waste of energy.
The present invention is by setting up thermometric pipeline outside medium main pipeline in process of production, the direct measurement of medium temperature will be changed into the indirect inspection by medium temperature in the thermometric pipeline after shunting, thus achieve temperature element that is safe, that replace damage easily, and ensure the normal circulation of the pipeline internal medium that caliber is thinner further.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the temperature measuring equipment that Fig. 1 provides for the present embodiment.
In upper figure:
1 being medium main pipeline, 2 being temperature element for thermometric pipeline, 31 is the first switch valve, 32 for second switch valve, 33 is the 3rd switch valve, 4,5 being boss mounting hole for measuring carrier, 51,52 be carrier connecting pipe, 6 for installation base.
Embodiment
The invention discloses a kind of temperature measuring equipment, achieve safety, replace the temperature element of damage easily, and further ensure the normal circulation of the thinner pipeline internal medium of caliber.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the structural representation of temperature measuring equipment that provides for the present embodiment of Fig. 1.
In the temperature measuring equipment that the present embodiment provides, the medium main pipeline 1 of medium circulation treating thermometric medium increases a thermometric pipeline 2, the input end of thermometric pipeline 2 and output terminal are along in the circulating direction order access medium main pipeline 1 of medium, and medium main pipeline 1 is connected with thermometric pipeline 2 inside.
The input end of thermometric pipeline 2 and output terminal are respectively arranged with the first switch valve 31 and second switch valve 32, close with the connected sum of medium main pipeline 1 to control thermometric pipeline 2, thermometric pipeline 2 is provided with temperature element 4, temperature element 4 is arranged between the first switch valve 31 and second switch valve 32, and the temperature-sensitive portion of temperature element 4 stretches to the inside of thermometric pipeline 2, to carry out the measurement of temperature to the liquid in thermometric pipeline 2.
When the first switch valve 31 and second switch valve 32 are all opened, treat that the medium of thermometric flows in thermometric pipeline 2, medium is in medium main pipeline 1 and thermometric pipeline 2 inter-sync circulation, after a period of time, in thermometric pipeline 2, the temperature of medium is identical with the temperature of the medium treating thermometric, and the temperature of medium tends towards stability in pipeline, the temperature element 4 arranged in thermometric pipeline 2 is measured the medium temperature in thermometric pipeline 2 by its temperature-sensitive portion, and its temperature recorded is the temperature treating thermometric medium in medium main pipeline 1.
After temperature measuring equipment uses for a long time, when the reason due to operating mode or when damaging temperature element 4 due to Korrosionsmedium, close the first switch valve 31 and second switch valve 32 successively, thermometric pipeline 2 is closed, now can carry out the maintenance to temperature element 1 or replacing, medium main pipeline 1 medium normally circulates, thus achieves the online reparation to temperature element 1, avoids having an impact normally; Outside the medium main pipeline 1 treating thermometric, set up thermometric pipeline 2 simultaneously, can arrange the internal diameter of the pipeline of thermometric pipeline 2, to adapt to the request for utilization of temperature element, avoid when the caliber of medium main pipeline 1 is less, temperature element 4 easily causes the problem of obstruction to medium main pipeline 1, the problem avoiding temperature element 4 to block medium main pipeline 1 causing the resistance of media flow to become large, thus avoid the load increasing power pump, avoid the waste of energy.
The present invention by setting up thermometric pipeline 2 outside normal medium main pipeline 1, the direct measurement of medium temperature will be changed into the indirect inspection of medium temperature in the thermometric pipeline 2 after shunting, thus achieve temperature element that is safe, that replace damage easily, and ensure the normal circulation of the pipeline internal medium that caliber is thinner further.
Be understandable that, the above-mentioned medium treating testing temperature mentioned and treat that the circulation main pipeline 1 of thermometric medium is the pipeline needing to carry out thermometric flow media in existing commercial production, the flow pipe of flow media is facing the temperature element that can not change damage online or is more carefully blocking the situation of pipeline due to caliber, by arranging thermometric pipeline 2 as above, make the measurement carrying out medium temperature in medium shunt to thermometric pipeline 2, thus the restriction of the production status of the measurement of medium temperature is departed from existing medium pipeline, be beneficial to the normal circulation of replacement and the medium realizing temperature element 4.
In the present invention one specific embodiment, also comprise the measurement carrier 5 with thermometric pipeline 2 UNICOM, the cross-sectional area of the accommodating cavity of this measurement carrier 5 is greater than the cross-sectional area of thermometric pipeline 2, and temperature element 4 is arranged on to be measured on carrier 5.When temperature element 4 is directly measured the medium in thermometric pipeline 2, the measurement accuracy of size to temperature element 4 of the caliber of thermometric pipeline 2 easily has an impact, especially, when the caliber of thermometric pipeline 2 is less, temperature element 4 also easily causes the obstruction of thermometric pipeline 2 and causes thermometric inaccurate.
By arranging the measurement carrier 5 with comparatively large cross-sectional area accommodating cavity, the temperature of temperature element 4 to the medium that this has in the accommodating cavity of larger space is measured, avoid the problem that pipeline obstruction occurs in thermometric pipeline 2, ensure that the accuracy that medium temperature is measured, medium temperature is measured reliable.
Particularly, measurement carrier 5 can be set to the Medium Measurement pipeline on thermometric pipeline 2, Medium Measurement pipeline and thermometric pipeline 2 can coaxially be arranged, and the caliber of Medium Measurement pipeline is greater than the caliber of thermometric pipeline 2, and the caliber arranging Medium Measurement pipeline adapts to the size of the temperature-sensitive part of temperature element.
Particularly, measure carrier 5 and be set to the larger square tube of cross-sectional area, thermometric pipeline 2 is connected with the measurement carrier 5 of rhs-structure, and its connected mode can be set to welded formula structure, also can be arranged through the Split type structure that connecting pipe is communicated with.Certainly, the shape measuring the xsect of carrier 5 does not limit, and requires to be as the criterion with the measurement adapting to measuring sensor 4.
Particularly, measure carrier 5 and can also be set to rectangular structure, rectangular structure has the accommodating cavity space of larger accommodating medium compared to thermometric pipeline 2, with the size making it adapt to the temperature-sensitive part of temperature element 4, avoids impacting the normal circulation of medium.The measurement carrier 5 of rectangular structure offers the boss mounting hole 51 installing temperature element.
In the present embodiment, also comprise the installation base 6 for installing temperature element 4, measure on carrier 5 and be provided with boss mounting hole 51, installation base 6 adaptation is connected in boss mounting hole 51.Temperature measurement fraction is divided into different measurement components, temperature element 4 is realized by different links from the connection of measuring carrier 5, simplifies the connected mode of the two.Installation base 6 is connected with the split of measurement carrier 5, for making the stability of temperature element 4 mounting structure, installation base 6 needing the mounting structure processing temperature element 4, by split type design, can ensure the stability of temperature element 4 mounting structure.
Installation base 6 is for having the boss of T-shaped structure, and during installation, the longitudinal direction of T-shaped boss is arranged in boss mounting hole 51, and its transverse lap is in boss mounting hole 51, and firm by being welded to connect, thus ensures the sealing that connects.The transverse part of T-shaped mechanism boss offers the mounting hole of the temperature element 4 longitudinally arranged, temperature element 4 through the inside stretching into middle measurement carrier 5 after installation base 6, and contact inner treat thermometric medium.Certainly, installation base 6 directly can be set to column construction, or T-shaped structure can be set to end face be discoidal T-shaped structure, or end face is the T-shaped structure of strip.
Particularly, temperature element 4 is threadedly connected on installation base 6, and installation base 6 welding is arranged on measures on carrier 5.The longitudinal direction of the T-shaped of installation base 6 extend in boss mounting hole 51, is understandable that, when the part longitudinally stretched into is installed with boss mounting hole 51 adaptation, the lateral part of installation base 6 rides over to be measured on carrier 5.Measure carrier 5 to be arranged between thermometric pipeline 2, which provide the dielectric cavity space that temperature element 4 works, the measurement realizing wherein flow media temperature to coordinate the temperature-sensitive part of temperature element 4.
Simultaneously, measure the installation base 6 that carrier 5 is arranged, when the lateral part of installation base 6T shape structure is overlapped on measurement carrier 5, for ensureing installation base 6 and measuring the tight type connected between carrier 5, avoid the spilling measuring medium in carrier 5, the lap position of installation base 6 connects as one by welding and measurement carrier 5, and the mode that temperature element 4 is threaded connection is arranged on installation base 6.
Certainly, the lateral part of installation base 6 can be set to mounting flange, by controlling matching relationship between installation base 6 and boss mounting hole 51, and by arranging the structures such as gasket seal, make the two install to coordinate, while the mount pad increasing measuring sensor 4, the effect be tightly connected can be played therebetween.Simultaneously, flange arrangement makes to form dismountable mounting structure between installation base 6 and boss mounting hole 51, therefore when the installation of temperature element 4 and the dismounting to the temperature element 4 after damage, realizing debugging the convenient of temperature element 4 and install by removing and installing boss 6, ensureing the installation effect of temperature element.
Connect temperature element 4 by installation base 6 and measure carrier 5, installation base 6 is easy to process its helicitic texture be connected with temperature element 4, when also making it be connected with measurement carrier 5 simultaneously, only need to offer the boss mounting hole 51 corresponding with the bossing of installation base 6 on measurement carrier 5, installation base 6 can be installed in boss mounting hole 51 and carry out welding operation, thus reduce temperature element 4 and the connection difficulty measuring carrier 5.
The temperature element 4 be threaded, when temperature element 4 is damaged, by closing the first switch valve 31 and second switch valve 32, to block thermometric pipeline 2 and the medium treating thermometric, the replacing to temperature element can be carried out safely, easily, and can not have an impact to the normal circulation of medium.
In the present embodiment, measure on carrier 5 and be provided with the carrier connecting pipe 52 be connected with its accommodating cavity, its output terminal is provided with the 3rd switch valve 33.After medium circulates a period of time in measurement carrier 5, impurity in medium inevitably rests on to be measured in carrier 5, when impurity occurs, open the 3rd switch valve 33, the impurity measured in carrier 5 is discharged by carrier connecting pipe 52, the normal thermometric work of measuring carrier 5 can be proceeded, also ensure that the normal circulation of medium simultaneously.
Carrier connecting pipe 52 is set, when medium is owing to circulating when measuring formation crystallization in carrier 5 for a long time, steam can be inputted by carrier connecting pipe 52 in measurement carrier 5 and carry out purging action, to remove the medium crystallization formed within it, thus further ensure the normal circulation of medium in measurement carrier 5.
In the above-described embodiments, first switch valve 31, second switch valve 32 and the 3rd switch valve 33 are all set to ball valve, and it is reliable that ball valve has sealing, not easily by features such as medium erosions, and be applicable to the general work media such as water, solvent, acid and rock gas, be widely used.Certainly, the present embodiment is not limited to ball valve switch valve, and can also be set to the switch valve that other have good anti-medium erosion, the switch valve that can realize above-mentioned functions in theory all should drop in protection scope of the present invention.
In the present embodiment, temperature element 4 is Thermistor Temperature Measurement element or thermocouple temperature measurement element, and certain the present invention is not limited to above-mentioned two kinds of temperature elements.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a temperature measuring equipment, is characterized in that, comprising:
Be arranged on the thermometric pipeline (2) on the medium main pipeline (1) of the medium circulation treating thermometric medium, the input end of described thermometric pipeline (2) and output terminal are along in circulating direction order access medium main pipeline (1) of medium, and described medium main pipeline (1) is connected with described thermometric pipeline (2) inside;
Be separately positioned on the first switch valve (31) and the second switch valve (32) at described thermometric pipeline (2) two ends;
Temperature element (4), it is arranged on described thermometric pipeline (2), and being positioned between described first switch valve (31) and described second switch valve (32), the temperature-sensitive portion of described temperature element (4) stretches in described thermometric pipeline (2);
Also comprise be arranged on described thermometric pipeline (2) upper and with the measurement carrier (5) of its UNICOM, the cross-sectional area of the accommodating cavity of described measurement carrier (5) is greater than the cross-sectional area of described thermometric pipeline (2);
Described temperature element (4) is arranged on described measurement carrier (5).
2. temperature measuring equipment according to claim 1, it is characterized in that, described measurement carrier (5) is provided with the installation base (6) installing described temperature element (4), described measurement carrier (5) is provided with the boss mounting hole (51) be connected with described installation base (6) adaptation.
3. temperature measuring equipment according to claim 2, is characterized in that, described temperature element (4) is threadedly connected on described installation base (6).
4. temperature measuring equipment according to claim 2, is characterized in that, described installation base (6) is welded on described measurement carrier (5).
5. temperature measuring equipment according to claim 1, it is characterized in that, described measurement carrier (5) is provided with the carrier connecting pipe (52) be connected with its accommodating cavity, the output terminal of described carrier connecting pipe (52) is provided with the 3rd switch valve (33).
6. temperature measuring equipment according to claim 1, is characterized in that, described first switch valve (31) and described second switch valve (32) are ball valve.
7. temperature measuring equipment according to claim 5, is characterized in that, described 3rd switch valve (33) is ball valve.
8. temperature measuring equipment according to claim 1, is characterized in that, described temperature element (4) is thermal resistance or thermopair.
9. temperature measuring equipment according to claim 1, is characterized in that, the temperature-sensitive portion of described temperature element (4) is provided with protective casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022135.3A CN103115691B (en) | 2013-01-21 | 2013-01-21 | Temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022135.3A CN103115691B (en) | 2013-01-21 | 2013-01-21 | Temperature measuring device |
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| Publication Number | Publication Date |
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| CN103115691A CN103115691A (en) | 2013-05-22 |
| CN103115691B true CN103115691B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310022135.3A Expired - Fee Related CN103115691B (en) | 2013-01-21 | 2013-01-21 | Temperature measuring device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821552Y (en) * | 2005-07-01 | 2006-09-27 | 王文通 | Individual heat supply control and metering device |
| CN201561809U (en) * | 2009-12-11 | 2010-08-25 | 冯磊 | Thermal resistor-type temperature measuring device |
| CN102224397A (en) * | 2008-09-26 | 2011-10-19 | 日立金属株式会社 | Mass flow controller using pressure validation of thermal flow sensors |
| CN202305056U (en) * | 2011-11-03 | 2012-07-04 | 中国石油化工股份有限公司 | Low-pressure temperature source-taking device mounted and dismounted with pressure |
| CN203083730U (en) * | 2013-01-21 | 2013-07-24 | 莱芜钢铁集团有限公司 | Temperature measuring device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63252227A (en) * | 1987-04-09 | 1988-10-19 | Agency Of Ind Science & Technol | Discrete measurement of quantity of discharge heat |
| JP3012962B2 (en) * | 1993-12-16 | 2000-02-28 | 川惣電機工業株式会社 | Manufacturing method of thermocouple device |
-
2013
- 2013-01-21 CN CN201310022135.3A patent/CN103115691B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821552Y (en) * | 2005-07-01 | 2006-09-27 | 王文通 | Individual heat supply control and metering device |
| CN102224397A (en) * | 2008-09-26 | 2011-10-19 | 日立金属株式会社 | Mass flow controller using pressure validation of thermal flow sensors |
| CN201561809U (en) * | 2009-12-11 | 2010-08-25 | 冯磊 | Thermal resistor-type temperature measuring device |
| CN202305056U (en) * | 2011-11-03 | 2012-07-04 | 中国石油化工股份有限公司 | Low-pressure temperature source-taking device mounted and dismounted with pressure |
| CN203083730U (en) * | 2013-01-21 | 2013-07-24 | 莱芜钢铁集团有限公司 | Temperature measuring device |
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