CN203587471U - Bottom feed type high-temperature high-pressure rheometer system - Google Patents

Bottom feed type high-temperature high-pressure rheometer system Download PDF

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Publication number
CN203587471U
CN203587471U CN201320478687.0U CN201320478687U CN203587471U CN 203587471 U CN203587471 U CN 203587471U CN 201320478687 U CN201320478687 U CN 201320478687U CN 203587471 U CN203587471 U CN 203587471U
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China
Prior art keywords
corundum
flow graph
rheometer
jacking gear
rotor
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Expired - Fee Related
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CN201320478687.0U
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Chinese (zh)
Inventor
李文彬
邹丽
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CHENGDU CHUANGDIKAIRUI TECHNOLOGY Co Ltd
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CHENGDU CHUANGDIKAIRUI TECHNOLOGY Co Ltd
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Abstract

The utility model relates to a bottom feed type high-temperature high-pressure rheometer system which comprises a rheological property measuring system and a heating system, wherein the rheological property measuring system comprises a rheometer host, a rheometer lifting device, a corundum rotor, a corundum pipe and a lifting corundum crucible, wherein the rheometer host is fixed on the rheometer lifting device; a connecting rod is mounted at the bottom of the rheometer host; the connecting rod passes through the bottom plate of the rheometer lifting device and is connected with the corundum rotor; the corundum pipe is fixedly mounted at the lower end of the bottom plate of the rheometer lifting device, and the connecting rod and corundum rotor at the lower end of the bottom stretch into the corundum pipe; the corundum crucible is mounted in a slot at the top end of a clamp slot corundum rod at the lower end; the clamp slot corundum rod is fixed on the lifting device; the two ends of the corundum pipe are cut through; the clamp slot corundum rod drives the corundum crucible to go up and stretch into the corundum pipe. According to the system provided by the utility model, the highest temperature can reach 1,650 DEG C, the pressure in a hearth can reach 4.0MPa, and multi-atmosphere tests under vacuum conditions can be met.

Description

A kind of bottom feed formula HTHP rheometer system
Technical field
The utility model relates to flow graph technology, particularly a kind of bottom feed formula 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 bottom feed formula 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 bottom feed formula 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, alundum tube and liftable corundum crucible, 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, alundum tube 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 alundum tube; The lower end of described corundum crucible is provided with draw-in groove corundum rod, and corundum crucible is installed in the groove on draw-in groove corundum rod top, and draw-in groove corundum rod lower end is fixed on jacking gear; Described alundum tube two ends connect, and draw-in groove corundum rod drives corundum crucible to rise and stretches in alundum tube.
Described draw-in groove corundum rod bottom is provided with seal flange, and the joint flange arranging by seal flange and alundum tube bottom is connected and fixed.
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 is fixed on support upper end, and heating system adopts special high-temperature stove, 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 normally 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.
The course of work of whole system is: first that connecting link and corundum rotor is fastening with platinum wire or tungsten filament hole, wear in whole connecting link hole from seal base, and upper end connects after flow graph main frame by hook, will seal tempered glass cover cap and firmly seal tight.Test sample is placed on to corundum crucible, crucible is placed in the upper end slot of draw-in groove corundum rod, start stepper motor and by entering stove jacking gear, draw-in groove corundum rod and crucible are sent in the alundum tube of burner hearth central authorities, appropriate location to be risen to, fixes with seal flange and joint flange.Alundum tube upper end is fixedly connected with the flange of seal base, and lower end is fixedly connected with heating furnace base board flange, at equipment, between normal epoch, does not need each installation.If there is atmosphere requirement, can pass into desired gas by air inlet pipe hole, will in sealing 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 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
Wherein, Reference numeral is: 1 flow graph main frame, and 2 flow graph jacking gears, 3 tempered glass covers, 4 base plates, 5 connecting links, 6 joint flanges, 7 alundum tubes, 8 corundum rotors, 9 high temperature furnaces, 10 supports, 11 draw-in groove corundum rods, 12 seal flanges, 13 enter stove jacking gear.
Embodiment
As shown in Figure 1, a kind of bottom feed formula 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, alundum tube 7 and liftable corundum crucible, 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, alundum tube 7 is fixedly installed in the lower end of the base plate 4 of flow graph jacking gear 2, and the connecting link 5 of lower end, bottom and corundum rotor 8 stretch in alundum tube 7; The lower end of described corundum crucible is provided with draw-in groove corundum rod 11, and corundum crucible is installed in the groove on draw-in groove corundum rod 11 tops, and draw-in groove corundum rod 11 lower ends are fixed on jacking gear; Described alundum tube 7 two ends connect, and draw-in groove corundum rod 11 drives corundum crucible to rise and stretches in alundum tube 7.
Described draw-in groove corundum rod 11 bottoms are provided with seal flange 12, and the joint flange 6 arranging by seal flange 12 and alundum tube 7 bottoms is connected and fixed.
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.
Corundum rotor 8 is connected by platinum wire or tungsten filament perforation with connecting link 5, is applicable to corundum rotor 8 and gos deep into bearing high temperature under the flow surface in crucible.
Described heating system is fixed on support 10 upper ends, and heating system adopts special high-temperature stove 9, 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 9, 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 9 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 normally 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 13 and adopt respectively step motor control.
The course of work of whole system is: first that connecting link 5 is fastening with corundum rotor 8 use platinum wires or tungsten filament hole, wear in whole connecting link 5 holes from seal base 4, upper end connects after flow graph main frame 1 by hook, sealing tempered glass cover 3 is covered to sealing tight.Test sample is placed on to corundum crucible, crucible is placed in the upper end slot of draw-in groove corundum rod 11, start stepper motor and by entering stove jacking gear 13, draw-in groove corundum rod 11 and crucible are sent in the alundum tube 7 of burner hearth central authorities, appropriate location to be risen to, fixing with joint flange 6 with seal flange 12.Alundum tube 7 upper ends are fixedly connected with the flange of seal base 4, and lower end is fixedly connected with heating furnace base plate 4 flanges, at equipment, between normal epoch, does not need each installation.If there is atmosphere requirement, can pass into desired gas by air inlet pipe hole, will in sealing 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 9 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 jacking gear 2, 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 bottom feed formula 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), alundum tube (7) and liftable corundum crucible, 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), alundum tube (7) 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 alundum tube (7), the lower end of described corundum crucible is provided with draw-in groove corundum rod (11), and corundum crucible is installed in the groove on draw-in groove corundum rod (11) top, and draw-in groove corundum rod (11) lower end is fixed on jacking gear, described alundum tube (7) two ends connect, and draw-in groove corundum rod (11) drives corundum crucible to rise and stretches in alundum tube (7).
2. a kind of bottom feed formula HTHP rheometer system according to claim 1, it is characterized in that: described draw-in groove corundum rod (11) bottom is provided with seal flange (12), the joint flange (6) arranging by seal flange (12) and alundum tube (7) bottom is connected and fixed.
3. a kind of bottom feed formula HTHP rheometer system according to claim 1, is characterized in that: described connecting link (5) adopts scandium oxide to make.
4. a kind of bottom feed formula 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).
5. a kind of bottom feed formula HTHP rheometer system according to claim 1, is characterized in that: described heating system adopts high temperature furnace (9), and the maximum operating temperature of high temperature furnace (9) is 1650 ℃.
6. a kind of bottom feed formula HTHP rheometer system according to claim 1, is characterized in that: in the middle of the burner hearth of described high temperature furnace (9), be provided with columniform gap, the size that is less than greatly corundum crucible in columniform gap is suitable.
7. a kind of bottom feed formula 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).
8. a kind of bottom feed formula HTHP rheometer system according to claim 1, is characterized in that: described flow graph jacking gear (2) and enter stove jacking gear (13) and adopt respectively step motor control.
CN201320478687.0U 2013-08-07 2013-08-07 Bottom feed type high-temperature high-pressure rheometer system Expired - Fee Related CN203587471U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN110501261A (en) * 2019-09-26 2019-11-26 煤炭科学技术研究院有限公司 A kind of measurement device of high-temperature coal ash viscosity

Cited By (5)

* Cited by examiner, † Cited by third party
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
CN110501261A (en) * 2019-09-26 2019-11-26 煤炭科学技术研究院有限公司 A kind of measurement device of high-temperature coal ash viscosity

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Granted publication date: 20140507

Termination date: 20180807