CN203479665U - Suspension type high-temperature and high-pressure rheometer system - Google Patents
Suspension type high-temperature and high-pressure rheometer system Download PDFInfo
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- CN203479665U CN203479665U CN201320479412.9U CN201320479412U CN203479665U CN 203479665 U CN203479665 U CN 203479665U CN 201320479412 U CN201320479412 U CN 201320479412U CN 203479665 U CN203479665 U CN 203479665U
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Abstract
The utility model relates to a suspension type high-temperature and high-pressure rheometer system which comprises a rheological property measurement system and a heating system, wherein the rheological property measurement system is arranged at the upper end of the heating system; the rheological property measurement system comprises a rheometer mainframe, a rheometer lifting device, a corundum rotor and a corundum crucible used for containing high-temperature melt; the rheometer mainframe is fixed on the rheometer lifting device; the bottom of the rheometer mainframe is provided with a connecting rod; the connecting rod passes through a bottom plate of the rheometer lifting device and is connected with the corundum rotor; the corundum crucible is fixedly arranged at the lower end of the bottom plate; the connecting rod arranged at the lower end of the bottom of the rheometer mainframe and the corundum rotor extend into the corundum crucible; two furnace inlet lifting devices used for lifting the rheological property measurement system are respectively arranged at the two sides of he lower end of the bottom plate. After the suspension type high-temperature and high-pressure rheometer system is adopted, the maximum temperature of 1650 DEG C can be met; a pressurizing system and a pressure sensor are used for pressurizing a hearth, and the internal pressure of the hearth reaches 4.0MPa by adjusting an air filler valve, so that requirements of tests under the conditions of multiple atmospheres and vacuum can be met.
Description
Technical field
The utility model relates to flow graph technology, particularly a kind of suspension type HTHP rheometer system.
Background technology
In energy crisis, current era that suitability for industrialized production automaticity is more and more high, viscosity measurement is more obvious with effect in the status of national economy.At present for measuring the equipment of viscosity, take flow graph as optimal selection, existing flow graph comprises rotational rheometer, torque rheometer, capillary rheometer etc.The function ratio of flow graph is more complete, not only can measure the viscosity of the multiple fluid such as polymer melt, polymer solution, and can measure the characteristics such as the flowing of fluid, rheology.
Flow graph can be applicable to the various fields such as petrochemical complex, Ferrous Metallurgy, oil well cement.At oil, gas well is on-the-spot, the on-the-spot subsurface environment that needs simulation pressurization, carries out quick viscosity test, comprises fracturing liquid, drilling mud, cement etc., all need to be in the condition of High Temperature Simulation down-hole; At petroleum chemical industry, the viscosity of large-size chemical furnace high-temperature melt, flow and rheological characteristics real-time parameter to chemical furnace, normal operation continuously has very strong directive significance, directly affect the safety in production of chemical industry stove; In iron and steel metallurgical industry, often study the Changing Pattern of steel billet Behavior of Flow Stress in hot compression deformation process, guarantee sample quality and processability etc.
At present, the function that existing flow graph energy test pressure reaches 4Mpa is very limited, and maximum temperature can only reach 300 ℃; And good HTHP rheometer valuable product, complex structure, operate more difficultly, and the while can not be taken into account high temperature and high pressure requirement, for the test under harsh conditions, also has certain difficulty.
Based on this, need to propose to meet under a kind of higher serviceability temperature, many atmospheric conditions the viscosity of multiple high-temperature fusant, the high temperature rheology instrument system that mobile and rheological characteristics is tested and measured, this system can be satisfied with numerous industries such as oil, chemical industry, electric power, metallurgy simultaneously.
Utility model content
Defect and deficiency that the utility model exists for existing high temperature flow graph technology, develop a kind of polyfunctional suspension type HTHP rheometer system, can meet ultra-high temperature condition can be applicable under vacuum and many atmosphere (inertia, reductibility, oxidizing gas) condition simultaneously, to the mobility of Newton and non-Newton fluid and rheological test, this system architecture is simple, reliability is high, cheap.
In order to reach above-mentioned technical requirement, the utility model adopts following technical scheme:
A suspension type HTHP rheometer system, is characterized in that: comprise rheological characteristics measuring system and heating system, rheological characteristics measuring system is installed on the upper end of heating system;
Described rheological characteristics measuring system comprises flow graph main frame, flow graph jacking gear, corundum rotor and for holding the corundum crucible of high-temperature fusant, flow graph main frame is fixed on flow graph jacking gear, the bottom of flow graph main frame is provided with connecting link, connecting link is connected with corundum rotor through the base plate of flow graph jacking gear, corundum crucible is fixedly installed in the lower end of the base plate of flow graph jacking gear, and the connecting link of lower end, bottom and corundum rotor stretch in corundum crucible;
The both sides of the base plate lower end of described flow graph jacking gear are provided with enters stove jacking gear for the lifting of rheological characteristics measuring system.
In order to reduce heat conduction, the increase thermal conduction resistance between corundum rotor and flow graph main frame, connecting link adopts coefficient of heat conductivity scandium oxide material extremely low and that heatproof characteristic is good to make.
Corundum rotor is connected by platinum wire or tungsten filament perforation with connecting link, is applicable to corundum rotor and gos deep into bearing high temperature under the flow surface in crucible.
Described heating system adopts special high temperature furnace, mainly heating rod, temperature sensor, insulating refractory and oven enclosure, consists of.Adopt unique PID temperature control system, have the functions such as heat stepwise and overtemperature alarm protection, temperature survey is accurate, can rapid temperature rise and drop, and long-term work temperature is 1650 ℃.Furnace inlet place is furnished with water-cooling system, avoids fire door overheated.In the middle of the burner hearth of described high temperature furnace, be provided with columniform gap, the slightly larger in diameter in gap is in the diameter of corundum crucible, the size that is less than greatly corundum crucible in columniform gap is suitable, by columniform gap, high temperature furnace burner hearth is separated with rheological characteristics measuring system, and the natural convection of inside, gap is less, can meets completely under the prerequisite that rheological characteristics measuring system do not exceed standard in temperature and work.
In order to guarantee the test environment under strict atmospheric condition, described suspension type HTHP rheometer system is also provided with atmosphere control system, and atmosphere control system comprises tempered glass cover, draft tube, cooling jacket, blowdown valve; Tempered glass cover covers on flow graph main frame, is fixed on the base plate upper end of flow graph jacking gear, and blowdown valve and pipeline are installed in tempered glass cover top; Draft tube is connected in the air inlet pipe hole of the base plate setting of flow graph jacking gear.
System before use can forvacuum, then pass into needed atmosphere gas.In heating process, the base plate of tempered glass cover and flow graph jacking gear has formed a seal cavity, during hypertonia in sealing space, blowdown valve by tempered glass cover top carrys out safety relief, at test-bed, atmosphere gas tester is installed around, can after generation leakage accident, reports to the police.
The junction of draft tube and air inlet pipe hole adopts sealing thread connected mode, and base plate adopts corrosion resistant plate, and base plate is connected with alundum tube, can use recirculated water cooling to reduce alundum tube upper temp herein, and the electronic section of protection flow graph, avoids overheated.Above tempered glass cover flow graph, be also furnished with cooling water pipe, further strengthen the electronic section overheating protection of flow graph, reach the object that reduces flow graph working temperature, make test safer.
Described flow graph jacking gear and enter stove jacking gear and adopt respectively step motor control.
Described corundum crucible is the centre that is clamped and fastened on three fixed bars, at corundum crucible upper end frame, be equipped with a heat shield, by heat shield, further completely cut off and reduce upper space temperature, the outer setting of corundum crucible and fixed bar has alundum tube simultaneously, and alundum tube upper end is fixedly connected on the base plate bottom of flow graph jacking gear.The package unit of corundum crucible is hanging shape, by entering stove jacking gear, corundum crucible is entered in heating furnace body from the upper end of heating furnace body.
The course of work of whole system is: by hook, connect flow graph main frame and connecting link, after the break-through of connecting link hole, with platinum wire or tungsten filament hole, connect connecting link and corundum rotor, specimen is placed in corundum crucible, by three fixed bars, fixedly corundum crucible is installed, after connecting link middle part mounts a heat shield, put alundum tube, by tightening nut joint flange and seal base, start stepper motor, by measuring jacking gear, alundum tube is down to high temperature furnace burner hearth inside; If there is atmosphere requirement, can pass into desired gas by air inlet pipe hole, will in tempered glass cover and alundum tube, be inflated to specified pressure.After above step is ready, open each branch road circulating cooling water pipe switch, start high temperature furnace and be warming up to assigned temperature according to pre-set heating schedule, after sample is for molten condition, start step motor control flow graph host machine part sample introduction jacking gear, by accurate location, rotor is down under the tested melt liquid level of crucible.Start flow graph and measure, rotor is tested.After being completed, open blowdown valve, Quality control jacking gear proposes rotor and treats that furnace is down to room temperature.
The beneficial effects of the utility model are as follows:
Described flow graph system can meet 1650 ℃ of maximum temperatures, adopt pressurizing system and pressure transducer to carry out pressurising to burner hearth, by adjusting charging valve, makes burner hearth internal pressure can reach 4.0MPa, has met many atmosphere and vacuum condition test;
Described flow graph system energy self-timing gathers the data such as the instantaneous k value of stoichiometric point gas consumption, atmosphere or vacuum parameters, sample and rotor torque, shearing force, realize accuracy, integrality, promptness and the reliability of data acquisition, for metering provides accurate foundation;
Described flow graph system sample enter stove with come out of the stove, all control to measuring system by stepper motor pre-determined bit of flow graph lifting, control system adopts independent switch board by lead-in wire, electronic pre-positioning system is accurately located for sample, can reach ± 0.1mm of control accuracy, can realize operation convenience and the accuracy of process of the test, adopt pin-point accuracy, real-time exclusive data acquisition module simultaneously, realize the collection of data;
In described flow graph system, be by three special-shaped corundum fixed bars sample crucible that links closely, be suspended in alundum tube, by controlling jacking gear, that the alundum tube after sealing is delivered to high temperature furnace burner hearth is inner;
Described HTHP rheometer system adopts advanced Sealing Technology, can carry out forvacuum to system, also can guarantee (reductibility, oxidisability, inert gas atmosphere) high-temperature fusant viscosity under strict atmospheric condition, flow and the test environment of rheological characteristics, be applicable to the mobility of Newton and non-Newton fluid and rheological test.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the structural representation of A-A in Fig. 1
Fig. 3 is the scheme of installation of corundum crucible of the present utility model
Wherein, Reference numeral is: 1 flow graph main frame, 2 flow graph jacking gears, 3 cloches, 4 base plates, 5 connecting links, 6 joint flanges, 7 alundum tubes, 8 corundum rotors, 9 enter stove jacking gear, 10 high temperature furnaces, 11 supports, 12 power lead holes, 13 power lead holes, 14 thermocouple holes, 15 air inlet pipe holes, 16 connecting link holes, 17-19 fixed bar.
Embodiment
As Figure 1-3, a kind of suspension type HTHP rheometer system comprises rheological characteristics measuring system and heating system, and rheological characteristics measuring system is installed on the upper end of heating system;
Described rheological characteristics measuring system comprises flow graph main frame 1, flow graph jacking gear 2, corundum rotor 8 and for holding the corundum crucible of high-temperature fusant, flow graph main frame 1 is fixed on flow graph jacking gear 2, the bottom of flow graph main frame 1 is provided with connecting link 5, connecting link 5 is connected with corundum rotor 8 through the base plate 4 of flow graph jacking gear 2, corundum crucible is fixedly installed in the lower end of the base plate 4 of flow graph jacking gear 2, and connecting link 5 and the corundum rotor 8 of lower end, bottom stretch in corundum crucible;
The both sides of base plate 4 lower ends of described flow graph jacking gear 2 are provided with enters stove jacking gear 9 for the lifting of rheological characteristics measuring system.
In order to reduce heat conduction, the increase thermal conduction resistance between corundum rotor 8 and flow graph main frame 1, connecting link 5 adopts coefficient of heat conductivity scandium oxide material extremely low and that heatproof characteristic is good to make.
Described heating system adopts special high temperature furnace 10, mainly heating rod, temperature sensor, insulating refractory and oven enclosure, consists of.Adopt unique PID temperature control system, have the functions such as heat stepwise and overtemperature alarm protection, temperature survey is accurate, can rapid temperature rise and drop, and long-term work temperature is 1650 ℃.Furnace inlet place is furnished with water-cooling system, avoids fire door overheated.In the middle of the burner hearth of described high temperature furnace 10, be provided with columniform gap, the slightly larger in diameter in gap is in the diameter of corundum crucible, the size that is less than greatly corundum crucible in columniform gap is suitable, by columniform gap, high temperature furnace 10 burner hearths are separated with rheological characteristics measuring system, and the natural convection of inside, gap is less, can meets completely under the prerequisite that rheological characteristics measuring system do not exceed standard in temperature and work.
In order to guarantee the test environment under strict atmospheric condition, described suspension type HTHP rheometer system is also provided with atmosphere control system, and atmosphere control system comprises tempered glass cover 3, draft tube, cooling jacket, blowdown valve; Tempered glass cover 3 covers on flow graph main frame 1, is fixed on base plate 4 upper ends of flow graph jacking gear 2, and blowdown valve and pipeline are installed in tempered glass cover 3 tops; Draft tube is connected in the air inlet pipe hole of base plate 4 settings of flow graph jacking gear 2.
System before use can forvacuum, then pass into needed atmosphere gas.In heating process, the base plate 4 of tempered glass cover 3 and flow graph jacking gear 2 has formed a seal cavity, during hypertonia in sealing space, blowdown valve by tempered glass cover 3 tops carrys out safety relief, at test-bed, atmosphere gas tester is installed around, can after generation leakage accident, reports to the police.
The junction of draft tube and air inlet pipe hole adopts sealing thread connected mode, and base plate 4 adopts corrosion resistant plate, and base plate 4 is connected with alundum tube 7, can use recirculated water cooling to reduce alundum tube 7 upper temps herein, and the electronic section of protection flow graph, avoids overheated.Above tempered glass cover 3 flow graphs, be also furnished with cooling water pipe, further strengthen the electronic section overheating protection of flow graph, reach the object that reduces flow graph working temperature, make test safer.
Described flow graph jacking gear 2 and enter stove jacking gear 9 and adopt respectively step motor control.
Described corundum crucible is the centre that is clamped and fastened on three fixed bars, at corundum crucible upper end frame, be equipped with a heat shield, by heat shield, further completely cut off and reduce upper space temperature, the outer setting of corundum crucible and fixed bar has alundum tube 7 simultaneously, and alundum tube 7 upper ends are fixedly connected on base plate 4 bottoms of flow graph jacking gear 2.The package unit of corundum crucible is hanging shape, by entering stove jacking gear 9, corundum crucible is entered in heating furnace body from the upper end of heating furnace body.This kind of suspension type apparatus structure, three special-shaped corundum fixed bar upper ends can be fixed on the movable stand of lifting, can, along with movable stand lifting, can guarantee to be heated crucible and heat in stove flat-temperature zone; There is a deep-slotted chip breaker lower end, links closely with corundum crucible.
The course of work of whole system is: by hook, connect flow graph main frame 1 and connecting link 5, after the break-through of connecting link hole, with platinum wire or tungsten filament hole, connect connecting link 5 and corundum rotor 8, specimen is placed in corundum crucible, by three fixed bars, fixedly corundum crucible is installed, connecting link 5 middle parts put alundum tube 7 after mounting a heat shield, by tightening nut joint flange 6 and seal base 4, start stepper motor, by measuring jacking gear, alundum tube 7 is down to high temperature furnace 10 burner hearths inside; If there is atmosphere requirement, can pass into desired gas by air inlet pipe hole, will in tempered glass cover 3 and alundum tube 7, be inflated to specified pressure.After above step is ready, open each branch road circulating cooling water pipe switch, start high temperature furnace 10 and be warming up to assigned temperature according to pre-set heating schedule, after sample is for molten condition, start step motor control flow graph main frame 1 part sample introduction jacking gear, by accurate location, rotor is down under the tested melt liquid level of crucible.Start flow graph and measure, rotor is tested.After being completed, open blowdown valve, Quality control jacking gear proposes rotor and treats that furnace is down to room temperature.
Claims (8)
1. a suspension type HTHP rheometer system, is characterized in that: comprise rheological characteristics measuring system and heating system, rheological characteristics measuring system is installed on the upper end of heating system, described rheological characteristics measuring system comprises flow graph main frame (1), flow graph jacking gear (2), corundum rotor (8) and for holding the corundum crucible of high-temperature fusant, flow graph main frame (1) is fixed on flow graph jacking gear (2), the bottom of flow graph main frame (1) is provided with connecting link (5), connecting link (5) is connected with corundum rotor (8) through the base plate (4) of flow graph jacking gear (2), corundum crucible is fixedly installed in the lower end of the base plate (4) of flow graph jacking gear (2), connecting link (5) and the corundum rotor (8) of lower end, bottom stretch in corundum crucible, the both sides of base plate (4) lower end of described flow graph jacking gear (2) are provided with enters stove jacking gear (9) for the lifting of rheological characteristics measuring system.
2. a kind of suspension type HTHP rheometer system according to claim 1, is characterized in that: described connecting link (5) adopts scandium oxide to make.
3. a kind of suspension type HTHP rheometer system according to claim 1, is characterized in that: corundum rotor (8) is connected by platinum wire or tungsten filament perforation with connecting link (5).
4. a kind of suspension type HTHP rheometer system according to claim 1, is characterized in that: described heating system adopts high temperature furnace (10), and the maximum operating temperature of high temperature furnace (10) is 1650 ℃.
5. a kind of suspension type HTHP rheometer system according to claim 4, is characterized in that: in the middle of the burner hearth of described high temperature furnace (10), be provided with columniform gap, the size that is less than greatly corundum crucible in columniform gap is suitable.
6. a kind of suspension type HTHP rheometer system according to claim 1, it is characterized in that: described suspension type HTHP rheometer system is also provided with atmosphere control system, and atmosphere control system comprises tempered glass cover (3), draft tube, cooling jacket, blowdown valve; It is upper that tempered glass cover (3) covers in flow graph main frame (1), is fixed on base plate (4) upper end of flow graph jacking gear (2), and blowdown valve and pipeline are installed in tempered glass cover (3) top; Draft tube is connected in the air inlet pipe hole of base plate (4) setting of flow graph jacking gear (2).
7. a kind of suspension type HTHP rheometer system according to claim 1, is characterized in that: described flow graph jacking gear (2) and enter stove jacking gear (9) and adopt respectively step motor control.
8. a kind of suspension type HTHP rheometer system according to claim 1, it is characterized in that: described corundum crucible is the centre that is clamped and fastened on three fixed bars, at corundum crucible upper end frame, be equipped with a heat shield, the outer setting of corundum crucible and fixed bar has alundum tube (7), and alundum tube (7) upper end is fixedly connected on base plate (4) bottom of flow graph jacking gear (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320479412.9U CN203479665U (en) | 2013-08-07 | 2013-08-07 | Suspension type high-temperature and high-pressure rheometer system |
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| CN201320479412.9U CN203479665U (en) | 2013-08-07 | 2013-08-07 | Suspension type high-temperature and high-pressure rheometer system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316439A (en) * | 2014-10-28 | 2015-01-28 | 东北大学 | Device and method for determining rheological properties of high-temperature metallurgy molten slag |
| CN105300842A (en) * | 2015-12-02 | 2016-02-03 | 中国科学院上海应用物理研究所 | Viscometer |
| CN110231251A (en) * | 2019-07-02 | 2019-09-13 | 内蒙古科技大学 | A kind of viscosimeter |
| CN113959908A (en) * | 2021-10-19 | 2022-01-21 | 北京科技大学 | Device and system for measuring viscosity of high-temperature metal melt |
-
2013
- 2013-08-07 CN CN201320479412.9U patent/CN203479665U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316439A (en) * | 2014-10-28 | 2015-01-28 | 东北大学 | Device and method for determining rheological properties of high-temperature metallurgy molten slag |
| CN105300842A (en) * | 2015-12-02 | 2016-02-03 | 中国科学院上海应用物理研究所 | Viscometer |
| CN105300842B (en) * | 2015-12-02 | 2018-03-30 | 中国科学院上海应用物理研究所 | A kind of viscosity apparatus |
| CN110231251A (en) * | 2019-07-02 | 2019-09-13 | 内蒙古科技大学 | A kind of viscosimeter |
| CN113959908A (en) * | 2021-10-19 | 2022-01-21 | 北京科技大学 | Device and system for measuring viscosity of high-temperature metal melt |
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