CN106567971A - High-temperature fluid observation device - Google Patents
High-temperature fluid observation device Download PDFInfo
- Publication number
- CN106567971A CN106567971A CN201610961293.9A CN201610961293A CN106567971A CN 106567971 A CN106567971 A CN 106567971A CN 201610961293 A CN201610961293 A CN 201610961293A CN 106567971 A CN106567971 A CN 106567971A
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- CN
- China
- Prior art keywords
- glass tube
- temperature fluid
- tube
- high temperature
- observation device
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention belongs to the field of fluid testing, and particularly discloses a high-temperature fluid observation device. The high-temperature fluid observation device comprises a first support and a second support. A glass tube is arranged on the first support, and a metallic tube is arranged on the second support; the inner diameter of the metallic tube is greater than the outer diameter of the glass tube; the glass tube and the metallic tube are arranged coaxially, one end of the glass tube is inserted into the metallic tube to form a joint part, and a heating sleeve is arranged on the joint part; and an electrification induction switch is arranged in the position, 3-8cm away from the heating sleeve, on the glass tube and electrically connected with the electrification induction switch. According to the technology of the high-temperature fluid observation device, compared with the prior art, operation is more convenient; and it is guaranteed that the glass tube is not prone to cracking by adoption of a hole reservation and preheating mode.
Description
Technical field
The invention belongs to fluid test field.
Background technology
In industry and scientific research field, it is often necessary to which high-temperature, high pressure fluid is observed, to reach monitoring or study in it
The purpose of portion's flowing.Quartz glass tube has very high structural strength and heat-resisting quantity again while with good light permeability energy
Can, its tensile strength at normal temperatures has reached 48.1Mpa, and compression strength has reached 785～1150MPa, becomes HTHP
The conventional observation device of fluid.But in concrete application, need the company that the difficult problem for solving is quartz glass tube and metal tube
Connect problem.Common end face seal cannot be applied to the connectivity problem.Main reason is that the average thermal expansion system of quartz glass
Number is 5.4 X 10-7/K, stainless about 1.5 X 10-5/K, and both differ about 28 times, in high temperature environments, due to swollen
Swollen ratio is different, easily causes metal compressing glass tube on contact surface and causes glass tube fragmentation.
In order to solve the problems, such as that the coefficient of expansion is inconsistent, the solution industrially taken is to carry out the end of glass tube
High-temperature heating, the end for making glass tube forms molten condition, then makes one end of glass tube molten condition and one end of metal tube
Contact mixing, one end for finally making the glass tube molten cools down, and the glass tube after cooling and solidifying connects into one with metal tube
It is overall, but the structure that the method is formed is during Long-Time Service, and high-temperature, high pressure fluid glass tube when junction absorbs
Equally can expand after heat, because thermal coefficient of expansion is different, Long-Time Service can cause junction to be ruptured, it is impossible to be continuing with,
Reduce the reliability of work.
The content of the invention
It is an object of the invention to provide it is a kind of simple and convenient, improve the high temperature fluid observation device of functional reliability.
In order to achieve the above object, base case of the invention provides a kind of high temperature fluid observation device, including first
Frame and second support, are placed with glass tube in first support, metal tube is placed with second support, and the internal diameter of the metal tube is big
In the external diameter of glass tube, glass tube is coaxially disposed with metal tube, and one end insertion metal tube of glass tube, forms junction surface, connects
Heating mantle is provided with conjunction portion, energization inductive switch is provided with heating mantle 3-8cm on glass tube, energization inductive switch with plus
Hot jacket is electrically connected.
The principle of this base case is：The high temperature fluid for needing observation is poured into from the entrance point of glass tube, high-temperature stream
Body flows along glass tube, slowly flows at energization inductive switch, and energization inductive switch senses that high temperature fluid is flowed into, control
Heating mantle is powered, and makes heating mantle generate heat, and heating mantle and engaging portion contacts can make glass tube and metal tube swelling, and glass tube
More than the speed of expansion of metal tube, glass tube is inflatable to become big rear swelling metal tube to the speed of expansion, realizes effectively connection, observes
High temperature fluid afterwards flows out glass tube and enters metal tube.
The beneficial effect of this base case is：Metal bore in the present invention is more than glass tube external diameter, is coaxially disposed
When, space is left at junction surface, fills up space using preheating, it is ensured that will not reveal when high temperature fluid is passed through；And through pre-add
Junction surface after heat has reached a high temperature the temperature of fluid, expansion is will not continue to when high temperature fluid is passed through, it is ensured that glass tube is not
Compressing fragmentation can be subject to.
Scheme two：Scheme is preferred based on this, is provided with power-off at heating mantle 5-10cm on the metal tube and senses
Switch, power-off inductive switch is electrically connected with heating mantle, when at the power-off inductive switch in high temperature fluid stream to metal tube, power-off
Inductive switch just controls heating mantle power-off, it is to avoid continuous heating causes the wasting of resources.
Scheme three：Scheme is preferred based on this, and the glass tube is down-set with metal tube coaxial tilt, promotes high temperature
Fluid can flow rapidly, accelerate the flow velocity of high temperature fluid, improve operating efficiency.
Scheme four：Scheme is preferred based on this, and the metal tube is provided with dovetail groove with the junction of glass tube, and hands over
Mistake is arranged and forms junction surface, and after glass tube swelling, the ledge of the dovetail groove portion of glass tube inserts the dovetail groove portion of metal tube
Sunk part, it is fully mated between the two, connection is automatically obtained, and because dovetail groove intersects, glass tube can be avoided from being pressed
Compel, improve the service life of glass tube.
Scheme five：Scheme is preferred based on this, and the metal tube is provided with serrated slot with the junction of glass tube, and hands over
Mistake is arranged and forms junction surface, and after glass tube swelling, the sawtooth groove portion of the sawtooth groove portion ledge insertion metal tube of glass tube is recessed
Sunken part, it is fully mated between the two, connection is automatically obtained, and because serrated slot is intersected, glass tube can be avoided from being oppressed,
Improve the service life of glass tube.
Description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention high temperature fluid observation device；
Fig. 2 is the structural representation at the junction surface of the embodiment of the present invention 1；
Fig. 3 is the structural representation at the junction surface of the embodiment of the present invention 2.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Glass tube 1, metal tube 2, heating mantle 3, the sensing of energization inductive switch 4, power-off
Switch 5, junction surface 6.
Embodiment 1
Substantially as shown in Figure 1：High temperature fluid observation device in this programme, including first support and second support, first
Glass tube 1 is placed with frame, energization inductive switch 4 is installed on the outer wall of glass tube 1, metal tube 2 is placed with second support, gold
Power-off inductive switch 5 is installed, the internal diameter of metal tube 2 is more than the external diameter of glass tube 1, glass tube 1 and metal tube on the category outer wall of pipe 2
2 coaxial downward-sloping settings, and the right-hand member of glass tube 1 inserts the left end of metal tube 2, forms junction surface 6, is cased with junction surface 6
Apart ten centimetres of apart five centimetres of heating mantle 3, energization inductive switch 4 and heating mantle 3, power-off inductive switch 5 and heating mantle 3, and
Electrically connect between energization inductive switch 4, heating mantle 3 and power-off inductive switch 5；As shown in Fig. 2 glass tube 1 and metal tube 2 connect
Synapsis is provided with dovetail groove, and the dovetail groove portion of glass tube 1 is staggered to form junction surface 6 with the dovetail groove portion of metal tube 2.
The high temperature fluid for needing observation is poured into from the left end of glass tube 1 first, and high temperature fluid is full of whole glass tube 1,
Due to the downward-sloping setting of glass tube 1, then high temperature circulation is flowed along glass tube 1, when high temperature fluid flow to energization inductive switch 4
When, energization inductive switch 4 by control heating mantle 3 be powered, heating mantle 3 be powered after generate heat, due to heating mantle 3 it is complete with junction surface 6
Contact, then heating mantle 3 is heated to the glass tube 1 and metal tube 2 at junction surface 6, and the glass tube 1 after being heated starts swollen with metal tube 2
Swollen, because glass tube 1 is different from the thermal coefficient of expansion of metal tube 2, before high temperature fluid stream to junction surface 6, glass tube 1 expands
Become big, and the dovetail groove portion of glass tube 1 inserts the dovetail groove portion of metal tube 2, and swelling, realizes connection, can be prevented effectively from
Glass tube 1 is subject to compressing fragmentation.
When high temperature fluid flow to junction surface 6, the tensioner of junction surface 6 no longer leaves space, and high temperature fluid can be flowed into smoothly
Metal tube 2, and when high temperature fluid flow to junction surface 6, the temperature at junction surface 6 has reached the temperature of fluid, therefore will not continue to
Expansion, glass tube 1 will not be damaged, and high temperature fluid continues to flow in metal tube 2, flow to power-off inductive switch 5, now power-off sense
Inductive switch 5 controls the power-off of heating mantle 3, and now persistently has high temperature fluid through junction surface 6, therefore junction surface 6 will not cool down receipts
Contracting, remains in that swelling state, and high temperature fluid is through being not in leakage.
Embodiment 2
As shown in figures 1 and 3, embodiment 2 is provided with sawtooth from glass tube 1 unlike power 1 is implemented with the contact position of metal tube 2
Groove, and the sawtooth groove portion of glass tube 1 is staggered to form junction surface 6 with the sawtooth groove portion of metal tube 2.
Above-described is only embodiments of the invention, and the general knowledge here such as known concrete structure and characteristic is not made in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the impact present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (5)
1. high temperature fluid observation device, including first support and second support, are placed with glass tube, second support in first support
On be placed with metal tube, it is characterised in that the internal diameter of the metal tube is more than the external diameter of glass tube, and glass tube is coaxial with metal tube
Arrange, and metal tubular is inserted into junction surface in one end of glass tube, and heating mantle is provided with junction surface, distance heating on glass tube
Energization inductive switch is provided with set 3-8cm, energization inductive switch is electrically connected with heating mantle.
2. high temperature fluid observation device according to claim 1, it is characterised in that：Apart from heating mantle 5- on the metal tube
Power-off inductive switch is provided with 10cm, power-off inductive switch is electrically connected with heating mantle.
3. high temperature fluid observation device according to claim 2, it is characterised in that：The glass tube coaxially inclines with metal tube
Arrange obliquely.
4. high temperature fluid observation device according to claim 3, it is characterised in that：The combination of the metal tube and glass tube
Place is provided with dovetail groove, and is crisscross arranged to form junction surface.
5. high temperature fluid observation device according to claim 3, it is characterised in that：The combination of the metal tube and glass tube
Place is provided with serrated slot, and is crisscross arranged to form junction surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961293.9A CN106567971A (en) | 2016-11-04 | 2016-11-04 | High-temperature fluid observation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961293.9A CN106567971A (en) | 2016-11-04 | 2016-11-04 | High-temperature fluid observation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106567971A true CN106567971A (en) | 2017-04-19 |
Family
ID=58535886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610961293.9A Pending CN106567971A (en) | 2016-11-04 | 2016-11-04 | High-temperature fluid observation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106567971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163144A (en) * | 2021-12-13 | 2022-03-11 | 中国科学院电工研究所 | Metal tube-quartz glass tube connecting structure and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963146A (en) * | 2006-12-12 | 2007-05-16 | 中国石油天然气股份有限公司 | High-temperature high-pressure glass microscopic model holder |
| CN101514842A (en) * | 2009-03-03 | 2009-08-26 | 西安交通大学 | Air heating device for liquid in visual pipeline |
| CN102964069A (en) * | 2012-12-20 | 2013-03-13 | 中国人民解放军国防科学技术大学 | Connecting device for glass tube and metal tube |
| CN104879583A (en) * | 2015-03-26 | 2015-09-02 | 浙江大学 | Self-sealed low-temperature fluid visualization unit |
-
2016
- 2016-11-04 CN CN201610961293.9A patent/CN106567971A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963146A (en) * | 2006-12-12 | 2007-05-16 | 中国石油天然气股份有限公司 | High-temperature high-pressure glass microscopic model holder |
| CN101514842A (en) * | 2009-03-03 | 2009-08-26 | 西安交通大学 | Air heating device for liquid in visual pipeline |
| CN102964069A (en) * | 2012-12-20 | 2013-03-13 | 中国人民解放军国防科学技术大学 | Connecting device for glass tube and metal tube |
| CN104879583A (en) * | 2015-03-26 | 2015-09-02 | 浙江大学 | Self-sealed low-temperature fluid visualization unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163144A (en) * | 2021-12-13 | 2022-03-11 | 中国科学院电工研究所 | Metal tube-quartz glass tube connecting structure and method |
| CN114163144B (en) * | 2021-12-13 | 2023-11-24 | 中国科学院电工研究所 | A metal tube-quartz glass tube connection structure and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |