CN2699296Y - Apparatus for measuring aluminium electrolyte molten mass temperature, primary crystal temperature and overheating degree - Google Patents
Apparatus for measuring aluminium electrolyte molten mass temperature, primary crystal temperature and overheating degree Download PDFInfo
- Publication number
- CN2699296Y CN2699296Y CN 200420030787 CN200420030787U CN2699296Y CN 2699296 Y CN2699296 Y CN 2699296Y CN 200420030787 CN200420030787 CN 200420030787 CN 200420030787 U CN200420030787 U CN 200420030787U CN 2699296 Y CN2699296 Y CN 2699296Y
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- temperature
- sampler
- metal tube
- degree
- superheat
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Abstract
The utility model relates to measuring device for aluminum electrolyte molten mass temperature, primary crystal temperature and overheating degree, comprising a temperature sensor, a sampler, a metal pipe, a handle, a compensating conducting wire, a measuring apparatus, a vibrator and a DC power supply. The lower end of the metal pipe is provided with the sampler, the upper end of the metal pipe is provided with the handle, and the temperature sensor is fixed to the metal pipe. One end of the temperature sensor extends into the sampler, and the other end is connected with the measuring instrument by the compensating wire arranged in the metal pipe. The upper section of the metal pipe is provided with the vibrator, the vibrator is connected with the DC power supply by a conducting wire, and the DC power supply is connected with the measuring apparatus. The device has simple structure and low cost and is convenient to carry, and also can realize the scan test for the electrolyte molten mass temperature, the primary crystal temperature and the overheating degree in the industrial electrolytic cell.
Description
Technical field
The utility model relates to a kind of high temperature measurement device, the particularly measurement mechanism of aluminium electrolysis process aluminium electrolyte melt temperature, liquidus temperature and the degree of superheat.
Background technology
Aluminium is to produce with the electrolytic process of cryolite-alumina molten salt, for Aluminium Electrolysis, the temperature of electrolyte melt, the degree of superheat of electrolytical liquidus temperature and electrolyte melt (electrolyte temperature and electrolyte primary crystal temperature poor) are unusual important parameters concerning Aluminium Electrolysis.The height of its electrolyte primary crystal temperature and electrolytical molecular proportion, alumina concentration is relevant with the adjuvant composition.The composition of electrolyte melt, electrolyte primary crystal temperature, the degree of superheat of electrolyte temperature and electrolyte melt directly influence the thermal stability of electrolytic tank and the current efficiency and the power consumption of aluminium cell, even can influence the life-span of electrolytic tank to a certain extent.Yet also have only the temperature of electrolyte melt on industrial cell, can measure in these important parameters, and the liquidus temperature of electrolyte melt can only be measured in the laboratory, although therefore electrolytical liquidus temperature and these two parameters of the degree of superheat are extremely important on industrial cell, can't carry out on-site measurement.At present a kind of assay method and device to the industrial cell electrolyte primary crystal temperature and the degree of superheat arranged abroad, but every measurement once just need to consume a galvanic couple, so cost is very high in this method.We had once developed a kind of measuring method and device of temperature matter of new aluminium cell liquidus temperature, the degree of superheat and electrolysis on this basis, but because when using this device at the scene, near the full electrolyte precipitation of normal knot in the metal tube at canister place, influence the adjustment of galvanic couple.
Summary of the invention
Weak point at above-mentioned prior art existence, it is a kind of simple in structure and light that the utility model provides, be easy to carry, can directly go the rounds a kind of measurement mechanism of detection at the scene to melt temperature, liquidus temperature and the degree of superheat of aluminium electrolyte in the industrial aluminum electrolysis bath.
The utility model is made up of temperature sensor, metal tube, sampler, handle, compensating wire, measuring instrument, Vib. and direct supply.
Metal tube can be divided into two sections, adopt welding or thread connection between two sections, the hypomere metal tube also can adopt solid Metallic rod, and sampler is equipped with in the lower end of metal tube, and handle is equipped with in epimere one place and the end of metal tube, temperature sensor is fixed on the metal tube, the one end stretches into sampler, and the other end is connected with measuring instrument by the compensating wire in the metal tube, at the epimere of metal tube Vib. is housed, Vib. is connected with direct supply by lead, and direct supply is connected with measuring instrument.The fixing sampler in the utility model metal tube lower end can be bowl-type, and the bowl end of the sampler of bowl-type can be a concave surface, also can be flat, can also be point (rectangle) at the end, and the sampler sidewall can also whole or local thickening.
The utility model compared with prior art, its advantage is: simple in structure, cost is low, install light in addition, be easy to carry, can realize electrolytical melt temperature, liquidus temperature and the degree of superheat in the industrial aluminum electrolysis bath are gone the rounds to detect, and temperature sensor changed conveniently.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2, Fig. 3, Fig. 4 be difform example structure synoptic diagram for sampler adopts.
Among the figure 1, temperature sensor, 2, sampler, 3, metal tube, 4, handle, 5, compensating wire, 6, measuring instrument, 7, Vib., 8, direct supply.
Embodiment
Structure of the present utility model as shown in drawings, temperature sensor (1) is selected thermopair for use, be contained in metal tube (3) above, metal tube (3) is divided into epimere and hypomere two parts constitute, the termination of hypomere has a bowl-type sampler (2), and handle (4) is equipped with in epimere one place and end, and epimere and hypomere metal tube (3) are by welding manner or be threaded, or screw compresses and links together, and the angle of the axis of bowl-type sampler (2) and metal tube (3) between centers is 30 °～150 °.Handle (4) is made by thermal insulation material, and temperature sensor (thermopair) (1) upper end is connected with two compensating wires (5), and compensating wire (5) other end is connected with the instrument (6) that is used for displays temperature change curve electrolyte temperature, liquidus temperature and the degree of superheat.This measuring instrument (6) also can replace with computing machine.The metal tube epimere also is equipped with and can makes the vibrative Vib. of metal (7), and direct supply (8) is the power supply of measuring instrument and Vib., and one of them output is received on the measurement instrument (6), and an output is received on the Vib. (7).
When using the utility model to measure, by handle (4), hold and thermopair is housed and the metal tube (3) of bowl-type sampler (2) is equipped with in the lower end, the opening that at first makes the sampler (2) among Fig. 1 is towards the top, and be inserted in the electrolyte melt of electrolytic tank, after some seconds, when the variation of measured temperature and time on measuring instrument (6), when electrolyte temperature changed no longer in time when the electrolyte temperature that shows reached steady state (SS) (this is electrolytical actual temperature), sampler in the measurement mechanism (2) is taken out from electrolytic tank, open direct supply (8) simultaneously, the input switch of Vib. (7), make metal tube (3) produce vibration, and will take out and be equipped with the sampler (2) of electrolyte melt from electrolytic tank, be positioned on the electrolytic bath shell face or the appropriate location on the aluminium flowing-out mouth pinkeye, electrolyte melt in (2) is slowly cooled off, its cooling curve is presented on the measuring instrument (6), when flex point appears in this cooling curve, the pairing temperature of this flex point is electrolytical liquidus temperature, and the difference of electrolyte temperature and liquidus temperature is electrolytical overtemperature.
After treating that said process and electrolyte primary crystal temperature and degree of superheat data are measured, disconnect the direct supply of Vib., again inside there is the electrolytical bowl-type sampler (2) of partial coagulation to insert once more in the electrolyte melt of electrolytic tank, make the electrolyte that partial coagulation is arranged in the sampler (2) fusing that heats up again, the handle of holding afterwards on the metal tube (3) (4) allows sampler (2) overturn about 180 °, electrolyte melt in the sampler (2) is all poured out, propose sampler (2), this just finishes electrolytic tank electrolysis matter melt temperature, the overall process that the liquidus temperature and the degree of superheat are measured.
Claims (6)
1, a kind of aluminium electrolyte melt temperature, the measurement mechanism of the liquidus temperature and the degree of superheat, it is characterized in that measurement mechanism is by temperature sensor, sampler, metal tube, handle, compensating wire, measuring instrument, Vib. and direct supply constitute, sampler is equipped with in the lower end of metal tube, handle is equipped with in the upper end of metal tube, temperature sensor is fixed on the metal tube, one end stretches into sampler, the other end is connected with measuring instrument by compensating wire in the metal tube, epimere at metal tube is equipped with Vib., Vib. is connected with direct supply by lead, and direct supply is connected with measuring instrument.
2, according to the measurement mechanism of the described aluminium electrolyte melt temperature of claim 1, liquidus temperature and the degree of superheat, it is characterized in that metal tube is made of epimere pipe and hypomere pipe two parts, the hypomere pipe also can be solid Metallic rod.
3,, it is characterized in that temperature sensor selects thermopair for use according to the measurement mechanism of claim 1 or 2 described aluminium electrolyte melt temperatures, liquidus temperature and the degree of superheat.
4, according to the measurement mechanism of claim 1 or 2 described aluminium electrolyte melt temperatures, liquidus temperature and the degree of superheat, it is characterized in that sampler can be a bowl-type, the bowl end of the sampler of bowl-type promptly can be a concave surface, also can be flat, can also be point (the square type) at the end, the sampler sidewall can also whole or local thickening.
5,, it is characterized in that the central axis of bowl-type sampler and the angle between metal tube (bar) axis are 30 °～150 ° according to the measurement mechanism of claim 1 or 2 described aluminium electrolyte melt temperatures, liquidus temperature and the degree of superheat.
6, according to the measurement mechanism of claim 1 or 2 described aluminium electrolyte melt temperatures, liquidus temperature and the degree of superheat, it is characterized in that measuring instrument can be the instrument of a kind of energy displays temperature change curve, liquidus temperature and the degree of superheat, also can be computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030787 CN2699296Y (en) | 2004-03-16 | 2004-03-16 | Apparatus for measuring aluminium electrolyte molten mass temperature, primary crystal temperature and overheating degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030787 CN2699296Y (en) | 2004-03-16 | 2004-03-16 | Apparatus for measuring aluminium electrolyte molten mass temperature, primary crystal temperature and overheating degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2699296Y true CN2699296Y (en) | 2005-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030787 Expired - Fee Related CN2699296Y (en) | 2004-03-16 | 2004-03-16 | Apparatus for measuring aluminium electrolyte molten mass temperature, primary crystal temperature and overheating degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2699296Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853928A (en) * | 2011-07-01 | 2013-01-02 | 湖南晟通科技集团有限公司 | Liquidus temperature measuring device and measuring method thereof |
| CN106771045A (en) * | 2017-03-17 | 2017-05-31 | 中铝国际工程股份有限公司 | Aluminum cell aluminum liquor composition crusing robot |
-
2004
- 2004-03-16 CN CN 200420030787 patent/CN2699296Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853928A (en) * | 2011-07-01 | 2013-01-02 | 湖南晟通科技集团有限公司 | Liquidus temperature measuring device and measuring method thereof |
| CN102853928B (en) * | 2011-07-01 | 2016-01-20 | 晟通科技集团有限公司 | A kind of measurement mechanism of liquidus temperature and measuring method thereof |
| CN106771045A (en) * | 2017-03-17 | 2017-05-31 | 中铝国际工程股份有限公司 | Aluminum cell aluminum liquor composition crusing robot |
| CN106771045B (en) * | 2017-03-17 | 2023-07-07 | 中铝国际工程股份有限公司 | Aluminum liquid component inspection robot for aluminum electrolysis cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |