CN205784552U - A kind of high temperature sessile drop method contact angle determination device - Google Patents
A kind of high temperature sessile drop method contact angle determination device Download PDFInfo
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- CN205784552U CN205784552U CN201620617270.1U CN201620617270U CN205784552U CN 205784552 U CN205784552 U CN 205784552U CN 201620617270 U CN201620617270 U CN 201620617270U CN 205784552 U CN205784552 U CN 205784552U
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- electric resistance
- resistance furnace
- high temperature
- temperature
- contact angle
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
This utility model relates to a kind of high temperature sessile drop method contact angle determination device, including a high-temperature electric resistance furnace, is placed under a high temperature Cinker clew furnace, and high-temperature electric resistance furnace is connected with high temperature Cinker clew furnace by adiabatic insulation；Setting siliconit in high temperature Cinker clew furnace, be provided with alundum tube inside siliconit, the built-in melt of alundum tube, the bottom of alundum tube sets out mouth, is provided with the corundum rod that can block outlet in alundum tube；Adiabatic insulation offers opening, high-temperature electric resistance furnace sets below the opening of adiabatic insulation opening, sets Si-Mo rod in high-temperature electric resistance furnace, and the inside of Si-Mo rod sets a coupon holders, and coupon holders is placed sample steel disc；The outlet of alundum tube, the opening of adiabatic insulation, the opening of high-temperature electric resistance furnace and sample steel disc are maintained on a vertical line, and high-temperature electric resistance furnace also sets sight burner, see outside burner just to CCD camera, and CCD camera is connected with computer.The process that in simulation station boiler, melted soot particle deposits on heating surface, studies Boiler Heating Surfaces problem by the real time record of contact angle.
Description
Technical field
This utility model relates to Contact-angle measurement, a kind of simulates Boiler Heating Surfaces process in station boiler
High temperature sessile drop method contact angle determination device.
Background technology
Along with increasingly strict to boiler nitrogen oxides pollution thing discharge standard of country in recent years, low-NO_x combustion technology obtains
Extensive application.But owing to this technology have employed air staged combustion technology, realize low oxygen combustion at burner hearth regional area, lead
The heating surface causing this region is prone to produce reducing atmosphere, causes ash fusion point to decline, and melted soot particle deposition on tube wall causes
The generation of clogging problems, causes bigger economic loss to power plant.
The contact angle change using research molten melt drop deposition process on sample steel disc is to reduce and control slagging scorification to produce
Important method.The slagging scorification situation of heating surface can be showed by adhesion characteristics, and contact angle weighs molten melt drop exactly in examination
The important parameter of the adhesion characteristics on sample steel disc surface.
Sessile drop method is one of method measuring liquid-drop contact angle.Current sessile drop method contact angle instrument is measuring contact angle
Time, drop and coupons are held under identical experimental temperature.Owing to melted ash particle temperature is far above boiler heating surface table
Surface temperature, so the contact angle change of research molten melt drop deposition process on boiler heating surface need to ensure high temperature molten drop and sample
Sheet is under different experimental temperatures.
Utility model content
The purpose of this utility model is to provide a kind of high temperature sessile drop method contact angle determination device, it is intended to simulation station boiler
In the process that deposits on heating surface of melted soot particle, study Boiler Heating Surfaces problem by the real time record of contact angle.
This utility model solves its technical problem and be the technical scheme is that a kind of high temperature sessile drop method contact angle determination
Device, is placed under a high temperature Cinker clew furnace including a high-temperature electric resistance furnace (8), and described high-temperature electric resistance furnace is by adiabatic insulation and high temperature Cinker clew furnace
It is connected；Set the first heater members in described high temperature Cinker clew furnace, inside described first heater members, be provided with alundum tube, described alundum tube
Built-in melt, the bottom of described alundum tube sets out mouth, is provided with the corundum rod that can block outlet in described alundum tube；Described thermal insulation every
Layer offers opening, described high-temperature electric resistance furnace sets below the opening of adiabatic insulation opening, sets the second heating in described high-temperature electric resistance furnace
Device, the inside of described second heater members is provided with a coupon holders, and described coupon holders is placed sample steel disc；Described corundum
The outlet of pipe, the opening of adiabatic insulation, the opening of high-temperature electric resistance furnace and sample steel disc are maintained on a vertical line.Adiabatic insulation
Play connection high temperature Cinker clew furnace and the effect of high-temperature electric resistance furnace, by thermal insulation, make molten melt drop not affected by high-temperature electric resistance furnace temperature,
And effectively prevent from occurring between high-temperature electric resistance furnace and high temperature Cinker clew furnace channeling phenomenon.In addition, the existence of adiabator can prevent
High temperature melting drops in dropping process and solidifies because of cooling.Wherein coupon holders scalable sample steel disc angle, coupon holders has concurrently
Regulation angle and the function of height, while the experimental viewpoint of adjusting sample steel disc, can adjust by changing oneself height again
The height of drop of joint molten melt drop.
Further, described high-temperature electric resistance furnace is provided with air inlet and air vent, and air inlet can be connected with gas bomb by trachea,
The required atmosphere of experiment it is passed through in high-temperature electric resistance furnace.
Further, described high-temperature electric resistance furnace is provided with sight burner, just to CCD camera, CCD camera outside described sight burner
Being connected with computer, computer does follow-up data and processes.
As preferably, described CCD camera, sight burner and sample steel disc keep sight alignment, and CCD camera is clapped in real time
Take the photograph the droplet deposition situation on sample steel disc surface.
As preferably, the height of described corundum rod is higher than described alundum tube, and the upper end of corundum rod exceeds the upper of alundum tube
End, the bottom of described corundum rod closes mutually with the bottom opening of alundum tube.
As preferably, described first heater members is siliconit, and high temperature Cinker clew furnace maximum temperature is up to 1400 degree.
As preferably, described second heater members is Si-Mo rod, and high-temperature electric resistance furnace maximum temperature is up to 1500 degree.
As preferably, described sample steel disc is placed in the underface of high-temperature electric resistance furnace upper shed.
Whole high temperature sessile drop method contact angle determination device imitates the temperature of boiler heating surface by changing high-temperature electric resistance furnace temperature
Condition, by adjusting ventilation atmosphere simulated hearth atmospheric condition, employing boiler heating surface steel is as sample material, as far as possible
Close to boiler heating surface actual operating conditions with reach imitate effect.
This utility model uses above-mentioned corrective measure, has the advantage that
1, furnace temperature differs.This utility model uses high temperature Cinker clew furnace and the layout up and down of high-temperature electric resistance furnace, it is possible to simulation power station
The process that in boiler, melted ash molten drop deposits on heating surface so that high temperature molten drop is dropped in the sample steel disc table of relative low temperature
Face；And can be furtherd investigate not by regulation high temperature Cinker clew furnace and the method such as the experimental temperature of high-temperature electric resistance furnace, change ventilation atmosphere
With influence factor's impact on slagging scorification process.
2, device is simple.This utility model uses high temperature Cinker clew furnace and high-temperature electric resistance furnace all can be carried out temperature control by computer, whole
Body device automated system degree is high, and operation is simple reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In figure: 1 is corundum rod, 2 is alundum tube, and 3 is high temperature Cinker clew furnace, and 4 is siliconit, and 5 is melt, and 6 is adiabatic insulation,
7 is the opening of high-temperature electric resistance furnace, and 8 is high-temperature electric resistance furnace, and 9 is air inlet, and 10 is air vent, and 11 is sample steel disc, and 12 is coupon holders,
13 is to see burner, and 14 is Si-Mo rod, and 15 is CCD camera, and 16 is computer.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, the technical solution of the utility model is made the most specifically
Bright.
Embodiment: with reference to Fig. 1, a kind of high temperature sessile drop method contact angle determination device, including a high-temperature electric resistance furnace 8, high temperature frit
Stove 3, high-temperature electric resistance furnace 8 is placed in high temperature Cinker clew furnace 3 times, and high-temperature electric resistance furnace 8 is connected with high temperature Cinker clew furnace 3 by adiabatic insulation 6；High temperature melting
Setting siliconit 4 in block stove 3 as its heater members, the inside of siliconit 4 is provided with alundum tube 2, the built-in melt of alundum tube 2, corundum
The bottom of pipe 2 sets out mouth, is provided with the corundum rod 1 that can block its outlet at bottom in alundum tube 2, and the height of corundum rod 1 is higher than corundum
Pipe 2, i.e. its upper end exceed the upper end of alundum tube 2；Adiabatic insulation 6 offers opening in the lower section of the opening of alundum tube 2；High-temperature electric resistance furnace
Below the opening of adiabatic insulation 6, set opening on 8, set Si-Mo rod 14 in high-temperature electric resistance furnace 8 as its heater members, Si-Mo rod 14
Inside is provided with a coupon holders 12, placement sample steel disc 11 on coupon holders 12, coupon holders 12 scalable sample steel disc angle,
Sample steel disc 11 is placed in the underface of high-temperature electric resistance furnace 8 upper shed, it addition, high-temperature electric resistance furnace 8 is provided with air inlet 9 and air vent 10, enters
QI KOU 9 can be connected with gas bomb by trachea, is passed through the required atmosphere of experiment in high-temperature electric resistance furnace 8, and high-temperature electric resistance furnace 8 is provided with sight burner
13, sight burner 13 is outside, and just to CCD camera 15, CCD camera 15 is connected with computer 16, CCD camera 15, sight burner 13
Sight alignment, the droplet deposition situation on CCD camera 15 captured in real-time sample steel disc 11 surface is kept with sample steel disc 11.Wherein
The outlet of alundum tube 2, the opening of adiabatic insulation 6, the opening of high-temperature electric resistance furnace 8 and sample steel disc 11 are maintained at a vertical line
On.
Work process of the present utility model is as follows:
Before experiment, in high temperature Cinker clew furnace alundum tube, put into quantitative coal ash, sample steel disc and coupon holders are placed in height
Drop height of drop needed for the underface of temperature electric furnace upper opening regulation experiment.Open high temperature Cinker clew furnace and high-temperature electric resistance furnace,
Regulation is to the experimental temperature specified.Open CCD camera and computer, CCD camera is directed at the sight burner of high-temperature electric resistance furnace, etc.
To computer it can be seen that start experiment after the picture rich in detail of sample steel disc.When coal ash is after high temperature melt forms molten melt drop,
Detaching corundum rod, molten drop, along lower of alundum tube lower opening, is deposited on sample steel disc surface.Whole molten melt drop is at sample steel
Deposition process on sheet all carries out real time record by CCD shooting with computer system.Finally, open according to the contour images of gained
Dynamic software carries out image procossing calculating, obtains the contact angle values in each moment.
Listed above is only specific embodiment of the utility model, it is clear that this utility model is not limited to above example,
All deformation that those of ordinary skill in the art can directly derive from this utility model disclosure or associate, all should belong to
In protection domain of the present utility model.
Claims (8)
1. a high temperature sessile drop method contact angle determination device, it is characterised in that include that a high-temperature electric resistance furnace is placed in a high temperature Cinker clew furnace
Under, described high-temperature electric resistance furnace is connected with high temperature Cinker clew furnace by adiabatic insulation；The first heater members, institute is set in described high temperature Cinker clew furnace
State and inside the first heater members, be provided with alundum tube, the built-in melt of described alundum tube, the bottom of described alundum tube sets out mouth, described just
It is provided with, in beautiful pipe, the corundum rod that outlet can be blocked；Described adiabatic insulation offers opening, at adiabatic insulation on described high-temperature electric resistance furnace
Setting opening below opening, set the second heater members in described high-temperature electric resistance furnace, the inside of described second heater members is provided with a print
Support, described coupon holders is placed sample steel disc；The outlet of described alundum tube, the opening of adiabatic insulation, the opening of high-temperature electric resistance furnace
Mouth and sample steel disc are maintained on a vertical line.
High temperature sessile drop method contact angle determination device the most according to claim 1, it is characterised in that described high-temperature electric resistance furnace is provided with
Air inlet and air vent, air inlet can be connected with gas bomb by trachea, is passed through the required atmosphere of experiment in high-temperature electric resistance furnace.
High temperature sessile drop method contact angle determination device the most according to claim 1, it is characterised in that described high-temperature electric resistance furnace is provided with
Seeing burner, just to CCD camera outside described sight burner, CCD camera is connected with computer.
High temperature sessile drop method contact angle determination device the most according to claim 3, it is characterised in that described CCD camera, sight
Burner and sample steel disc keep sight alignment, the droplet deposition situation on CCD camera captured in real-time sample steel disc surface.
High temperature sessile drop method contact angle determination device the most according to claim 1, it is characterised in that the height of described corundum rod
Higher than described alundum tube, the upper end of corundum rod exceeds the upper end of alundum tube, and the bottom of described corundum rod is opened with the bottom of alundum tube
Mouth closes mutually.
High temperature sessile drop method contact angle determination device the most according to claim 1, it is characterised in that described first heater members
For siliconit.
High temperature sessile drop method contact angle determination device the most according to claim 1, it is characterised in that described second heater members
For Si-Mo rod.
High temperature sessile drop method contact angle determination device the most according to claim 1, it is characterised in that described sample steel disc is placed in
The underface of high-temperature electric resistance furnace upper shed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617270.1U CN205784552U (en) | 2016-06-22 | 2016-06-22 | A kind of high temperature sessile drop method contact angle determination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617270.1U CN205784552U (en) | 2016-06-22 | 2016-06-22 | A kind of high temperature sessile drop method contact angle determination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205784552U true CN205784552U (en) | 2016-12-07 |
Family
ID=58130268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620617270.1U Withdrawn - After Issue CN205784552U (en) | 2016-06-22 | 2016-06-22 | A kind of high temperature sessile drop method contact angle determination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205784552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910430A (en) * | 2016-06-22 | 2016-08-31 | 中国计量大学 | Contact angle measuring device through high-temperature pendant-drop method |
| CN110631966A (en) * | 2019-09-27 | 2019-12-31 | 重庆大学 | Device and method for measuring contact angle between high-temperature liquid molten drop and wall surface |
-
2016
- 2016-06-22 CN CN201620617270.1U patent/CN205784552U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910430A (en) * | 2016-06-22 | 2016-08-31 | 中国计量大学 | Contact angle measuring device through high-temperature pendant-drop method |
| CN105910430B (en) * | 2016-06-22 | 2018-04-20 | 中国计量大学 | A kind of high temperature sessile drop method contact angle determination device |
| CN110631966A (en) * | 2019-09-27 | 2019-12-31 | 重庆大学 | Device and method for measuring contact angle between high-temperature liquid molten drop and wall surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180420 |
|
| AV01 | Patent right actively abandoned |