CN201993328U - Measuring device for sodium expansion ratio under electrolysis condition of carbon materials - Google Patents
Measuring device for sodium expansion ratio under electrolysis condition of carbon materials Download PDFInfo
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- CN201993328U CN201993328U CN2011200868872U CN201120086887U CN201993328U CN 201993328 U CN201993328 U CN 201993328U CN 2011200868872 U CN2011200868872 U CN 2011200868872U CN 201120086887 U CN201120086887 U CN 201120086887U CN 201993328 U CN201993328 U CN 201993328U
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Abstract
The utility model relates to a measuring device for sodium expansion ratio under electrolysis condition of carbon materials. A ceramic material cup (14) is arranged in a graphite crucible (15), and the outer surface of the bottom of the ceramic material cup (14) is contacted with the inner surface of the bottom of the graphite crucible (15). An upper graphite rod (3) is contacted with the inner surface of the bottom of the ceramic material cup (14) through an extended graphite rod (11) and a sample (12). The top end of the ceramic material cup (14) is contacted with a quartz fulcrum bar (10), and the top end of the quartz fulcrum bar (10) is connected with a dilatometer seat (8). The upper end of a quartz measuring bar (9) is contacted with the lower end of a dilatometer (7), and the lower end of the quartz measuring bar (9) is contacted with the top end of the extended graphite rod (11). The ceramic material cup of the measuring device provides a measurement datum mark for a measuring mechanism, and a pressure exerting mechanism is used for exerting constant force for specimens. In the measuring process, the system expansion is in a stable state, the system creep or loss can not be included in the measured value, and the measurement is accurate. The measuring device for sodium expansion ratio under electrolysis condition of carbon materials is suitable for measurement under the carbon block electrolysis expansion condition.
Description
Technical field
The utility model relates to the expansivity measurement mechanism, particularly a kind of carbon material electrolytic sodium expansivity measurement mechanism.
Background technology
Prior art is measured the device of expansivity under electrolytic condition, it is in measuring expansion coefficient, the pressure exerting arrangement, the stop mechanism that adopt are the embedded quartz column modes of conducting sleeve, and stove maintains static, can't observe contacting of pressure exerting arrangement and stop mechanism, tilt easily when therefore contacting, cause the quartz column breakage, can't finish the measurement of electrolytic sodium expansivity; And measuring mechanism adopts and to be fixed on the frame, and environment temperature is to the influence of frame, pressure exerting arrangement, stop mechanism and long-time frame, pressure exerting arrangement, stop mechanism creep or the loss of the generation accuracy that all will have influence on actual measured results at high temperature.
Summary of the invention
The purpose of this utility model provides a kind of measurement mechanism that is used for na expansion rate under the carbon material electrolytic condition, and it can avoid above-mentioned defective, makes to measure accurately.The utility model is achieved by the following technical solution: the utility model is a carbon material electrolytic sodium expansivity measurement mechanism, comprises heating furnace 4, and graphite crucible 15 is housed in heating furnace 4, it is characterized in that comprising following structure:
A. in described graphite crucible 15, ceramic material cup 14 is housed, described ceramic material cup 14 is equipped with the cup shell of crucible cover 13 for the top end opening place, its bottom outer surface contacts with the bottom interior surface of graphite crucible 15, and the bottom outer surface of described graphite crucible 15 contacts with pressure exerting arrangement through insulating part;
B. be fixed on graphite rod 3 on the frame 1 through insulant, its lower end through extend graphite rod 11, sample 12 contacts with the bottom interior surface of described ceramic material cup 14;
C. described ceramic material cup 14 tops contact with quartzy pole 10 bottoms, and described quartzy pole 10 tops are connected with dilatometer seat 8, in the described dilatometer seat 8 dilatometer 7 are housed; Described upper end and 7 times end in contact of dilatometer that go up the quartzy measuring staff 9 in graphite rod 3 holes, the lower end of described quartzy measuring staff 9 contacts with the top of described extension graphite rod 11.
The recommendation concrete structure of " bottom outer surface of graphite crucible 15 contacts with pressure exerting arrangement through insulating part " among the described structure A is: the bottom outer surface of described graphite crucible 15 is contacted with the top of following graphite rod 5, after graphite rod 5 passes described heating furnace 4 under described, its bottom contacts with following insulating ceramics 6 (being described insulating part), and described insulating ceramics down contacts with pressure exerting arrangement; Pressure exerting arrangement pressurizes from bottom to top, and sample is fixed.
The recommendation concrete structure of structure B is: insulating ceramics 2 is fixed on the frame 1, last graphite rod 3 upper ends are fixed on insulating ceramics 2 lower ends, described lower end of going up graphite rod 3 contacts with the top of the extension graphite rod 11 that passes described crucible cover 13, the bottom of described extension graphite rod 11 contacts with the top of sample 12, and the bottom of described sample 12 contacts with the bottom interior surface of described ceramic material cup 14.Described quartzy pole 10 is 3, becomes the circumference top of contact at described ceramic material cup 14 that evenly distribute.
Measuring mechanism of the present utility model adopts and is independent of frame and compression system, is that measuring mechanism provides datum mark with ceramic material cup 14, and following insulating ceramics 6 is the pressurization point of application; By pressure exerting arrangement following insulating ceramics is applied constant contact force, and then sample 12 is applied constant acting force; This structure makes the system's expansion in the measuring process be in steady state (SS), and system's creep or loss can not count in the measured value, make to measure accurately.Ceramic material cup 14 both played insulating effect at electrolysis two interpolars, did not stop the normal electrolytic functional of electrolytic solution again, provided a reference field for measuring mechanism simultaneously.When the influence of na expansion expands displacement after sample 12 is subjected to electrolysis,, be subjected to displacement downwards because sample 12 tops are subjected to graphite rod 3 (being fixed on the frame 1) effect can only overcome the pressure of pressure exerting arrangement to top offset.This moment, ceramic material cup 14 moved down with identical displacement with sample.And quartzy measuring staff 9 is owing to being placed on sample 12 tops, so can displacement.Quartzy pole 10 lower ends are owing to be placed on the ceramic material cup 14, so moving down with ceramic material cup 14, drive dilatometer seat 8 also to bottom offset, the relative position of quartzy measuring staff 9 and dilatometer seat 8 changes, and dilatometer 7 detects this variation and is the sample swell increment variation of 12 this moments.And be subjected to thermal creep for example during height change when frame 1, sample 12, ceramic material cup 14, last graphite rod 3 have moved this variable quantity with quartzy measuring staff 9, quartzy pole 10, dilatometer seat 8 simultaneously along with the variation of frame 1, be not relatively move between quartzy measuring staff 9 and the dilatometer seat 8, so the variation that frame expands can not influence measurement result.Machine frame system is gone out by isolation to the influence of measuring, and has guaranteed the accuracy of measuring.
The beneficial effects of the utility model are:
(1) according to the requirement of international standard ISO15379-1, domestic non-ferrous metal industry standard YS/T 63.5-2006, this measurement mechanism is measured the repeatability that can reach: r=0.2X maximum average value+0.02%, repeatability: R=0.24X maximum average value+0.03%.(2) the ceramic material cup of this measurement mechanism provides datum mark for measuring mechanism, by pressure exerting arrangement sample is applied constant acting force; System is expanded be in steady state (SS), system's creep or loss can not influence measured value; Guarantee to measure accurately.(3) this measurement mechanism can satisfy the electrolysis dilatometry of the diameter 30mm sample of international standard ISO15379-1 and domestic non-ferrous metal industry standard YS/T 63.5-2006 requirement.
In sum, the ceramic material cup of this measurement mechanism provides datum mark for measuring mechanism, by pressure exerting arrangement sample is applied constant contact force, and what detect measured value and be sample is actual swell value, irrelevant with compression system, frame thermal creep or loss, guarantee to measure accurately.The utility model is applicable to the measurement under the charcoal piece electrolysis expansion condition.
Description of drawings
Fig. 1 is the structural representation of this measurement mechanism.
Fig. 2 is the enlarged drawing of the measuring mechanism among Fig. 1.
Fig. 3 is the enlarged drawing of the sample placing mechanism among Fig. 1.
Fig. 4 is the enlarged drawing of the heating furnace cover mechanism among Fig. 1.
Code name explanation among the figure: 1-frame, the last insulating ceramics of 2-, the last graphite rod of 3-, 4-heating furnace, graphite rod under the 5-, insulating ceramics under the 6-, 7-dilatometer, 8-dilatometer seat, the quartzy measuring staff of 9-, the quartzy pole of 10-, 11-extends graphite rod, 12-sample, 13-crucible cover, 14-ceramic material cup, 15-graphite crucible, 16-guide pin bushing, the 17-guide pillar, 18-spring, 19-heating furnace cover.
Embodiment
Fig. 1 is a structural representation of the present utility model.This measurement mechanism mechanism shown in the figure comprises that frame 1, heating furnace 4, heating furnace 4 can move up and down adjusting, and last graphite rod 3 is fixed on the frame 1 through last insulating ceramics 2.Following insulating ceramics 6 contacts with pressure exerting arrangement, upwards pressurizes from the bottom.Heating furnace 4 has heating furnace cover 19.Graphite crucible 15 is positioned at heating furnace 4, and the bottom outer surface of graphite crucible 15 contacts with the top of following graphite rod 5, and following graphite rod 5 passes heating furnace 4, and its bottom contacts with following insulating ceramics 6, and following insulating ceramics 6 contacts with the pressure exerting arrangement (not shown).
With reference to Fig. 3, graphite crucible 15 is housed in heating furnace 4, ceramic material cup 14 is housed in graphite crucible 15; Ceramic material cup 14 is open-topped cup shell, and the top has flange, and crucible cover 13 is equipped with at 14 top end opening places at the ceramic material cup; The bottom outer surface of ceramic material cup 14 contacts with the bottom interior surface of graphite crucible 15; Last graphite rod 3 is fixed on the frame 1 through last insulating ceramics 2 (Fig. 1), the lower end of last graphite rod 3 contacts with the top of the extension graphite rod 11 that passes crucible cover 13, the bottom of extending graphite rod 11 contacts with the top of sample 12, and the bottom of sample 12 contacts with the bottom interior surface of ceramic material cup 14.With reference to Fig. 2, present embodiment adopts 10 one-tenth circumference of 3 quartzy poles evenly to distribute, the contact of quartzy pole 10 bottoms is at the upper surface of the top of ceramic material cup 14 flange, and the respective aperture that graphite rod 3 is passed on the top is connected with dilatometer seat 8, and dilatometer 7 is housed in the dilatometer seat 8; Be positioned at upper end and 7 times end in contact of dilatometer of the quartzy measuring staff 9 in graphite rod 3 holes, the lower end of quartzy measuring staff 9 contacts with the top of extending graphite rod 11.As Fig. 4, lifting mechanism comprises the line slideway and the heating grate of 4 groups of parallel installations; After described heating furnace 4 liftings, compress heating furnace 4 by pre-tightening mechanism, play relative sealing function with heating furnace cover 19; Described pre-tightening mechanism comprises guide pillar 17, guide pin bushing 16, spring 18 and is installed in frame 1 top, and offers heating furnace cover 19 pretightning forces by spring 18.Last graphite rod 3 is received the electric current leading-in terminal, and following graphite rod 5 is received the electric current leading-out terminal; Admission gear feeds heating furnace 4 inner (not shown) by quartzy draft tube.Provide the molten-salt electrolysis in the graphite crucible 15 temperature required by heating furnace 4, but heating furnace 4 be fixedly mounted on the lifting mechanism of the automatic lifting on the described frame 1, its power resources are in pressure exerting arrangement.
During use, heating furnace 4 is reduced to the below and expose described graphite rod 5 tops down, pressure exerting arrangement is dropped to the below, ceramic material cup 14 is positioned in the graphite crucible 15, sample 12 is positioned over center in the ceramic material cup 14, described extension graphite rod 11 is positioned over center on the sample 12, crucible cover 13 is positioned on the ceramic material cup 14, graphite crucible 15 is positioned over down graphite rod 5 tops, start pressure exerting arrangement and make the 11 tops contact of extension graphite rod go up graphite rod 3 and keep constant pressure, extend graphite rod 11 this moment and will guarantee right alignment with last graphite rod 3.Heating furnace 4 is lifted to heating furnace cover 19 can Contact Heating stove 4 and pre-tightening seal.Connect electric current introducing, leading-out terminal and lead, start heating system, heating furnace 4 temperature meet the requirements of temperature after about 2 hours, stablize and treat after 30 minutes that electrolyte all melts the back and starts electrolysis power, measure the swell increment in the energising two hours.Experiment finishes, and stops heating, after temperature is cooled to room temperature in the stove 4 to be heated, takes out graphite crucible 15.The quartzy measuring staff 9 of present embodiment and quartzy pole 10 adopt quartz content at the quartz material more than 99.99%, and expansion coefficient is very little, and the influence to measurement result when variation of ambient temperature is small, guarantees the accuracy of measurement result.
Claims (3)
1. a carbon material electrolytic sodium expansivity measurement mechanism comprises heating furnace (4), and graphite crucible (15) is housed in heating furnace (4), it is characterized in that comprising following structure:
A., ceramic material cup (14) is housed in described graphite crucible (15), described ceramic material cup (14) is equipped with the cup shell of crucible cover (13) for the top end opening place, its bottom outer surface contacts with the bottom interior surface of graphite crucible (15), and the bottom outer surface of described graphite crucible (15) contacts with pressure exerting arrangement through insulating part;
B. be fixed on last graphite rod (3) on frame (1) through insulant, its lower end through extend graphite rod (11), sample (12) contacts with the bottom interior surface of described ceramic material cup (14);
C. described ceramic material cup (14) top contacts with quartzy pole (10) bottom, and described quartzy pole (10) top is connected with dilatometer seat (8), and dilatometer (7) is housed in the described dilatometer seat (8); The upper end of the quartzy measuring staff (9) in described upward graphite rod (3) hole and dilatometer (7) be end in contact down, and the lower end of described quartzy measuring staff (9) contacts with the top of described extension graphite rod (11).
2. measurement mechanism according to claim 1 is characterized in that:
" bottom outer surface of graphite crucible (15) contacts with pressure exerting arrangement through insulating part " among the described structure A is: the bottom outer surface of described graphite crucible (15) contacts with the top of following graphite rod (5), after graphite rod (5) passes described heating furnace (4) under described, its bottom contacts with following insulating ceramics (6), and described insulating ceramics (6) down contacts with pressure exerting arrangement;
Described structure B is: insulating ceramics (2) is fixed on the frame (1), last graphite rod (3) upper end is fixed on insulating ceramics (2) lower end, described lower end of going up graphite rod (3) contacts with the top of the extension graphite rod (11) that passes described crucible cover (13), the bottom of described extension graphite rod (11) contacts with the top of sample (12), and the bottom of described sample (12) contacts with the bottom interior surface of described ceramic material cup (14).
3. measurement mechanism according to claim 1 is characterized in that:
Described quartzy pole (10) is 3, becomes the circumference top of contact at described ceramic material cup (14) that evenly distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200868872U CN201993328U (en) | 2011-03-29 | 2011-03-29 | Measuring device for sodium expansion ratio under electrolysis condition of carbon materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200868872U CN201993328U (en) | 2011-03-29 | 2011-03-29 | Measuring device for sodium expansion ratio under electrolysis condition of carbon materials |
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| CN201993328U true CN201993328U (en) | 2011-09-28 |
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| CN2011200868872U Expired - Fee Related CN201993328U (en) | 2011-03-29 | 2011-03-29 | Measuring device for sodium expansion ratio under electrolysis condition of carbon materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879270A (en) * | 2012-09-28 | 2013-01-16 | 江西理工大学 | Time-varying mechanical performance testing device for cathode carbon block under loading and aluminum electrolysis coupling action |
-
2011
- 2011-03-29 CN CN2011200868872U patent/CN201993328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879270A (en) * | 2012-09-28 | 2013-01-16 | 江西理工大学 | Time-varying mechanical performance testing device for cathode carbon block under loading and aluminum electrolysis coupling action |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FENG SHAOJIE Free format text: FORMER OWNER: BEIJING INSPECT TECHNOLOGY CO., LTD. Effective date: 20120516 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120516 Address after: 100038, room 12, No. 918, Fuxing Road, Beijing, Haidian District Patentee after: Feng Shaojie Address before: 100038, Beijing, Haidian District Fuxing Road No. 12, China aluminum building, room 918 Patentee before: Beijing Inspect Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING INSPECT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FENG SHAOJIE Effective date: 20120808 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120808 Address after: 100038, room 12, No. 918, Fuxing Road, Beijing, Haidian District Patentee after: Beijing Inspect Technology Co., Ltd. Address before: 100038, room 12, No. 918, Fuxing Road, Beijing, Haidian District Patentee before: Feng Shaojie |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140329 |