CN204874677U - Tantalum niobium minerals constant temperature decomposition device - Google Patents
Tantalum niobium minerals constant temperature decomposition device Download PDFInfo
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- CN204874677U CN204874677U CN201520545464.0U CN201520545464U CN204874677U CN 204874677 U CN204874677 U CN 204874677U CN 201520545464 U CN201520545464 U CN 201520545464U CN 204874677 U CN204874677 U CN 204874677U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a tantalum niobium minerals constant temperature decomposition device, the device include that electronic scale A, B, steel lining mould reation kettle. The electronic scale is put in a high position, and hydrofluoric acid metering tank and sulphur acid meter measuring tank are put in electronic scale A, B upward respectively, hydrofluoric acid metering tank 1 and sulphur acid meter measuring tank through the pipeline with take water jacketed steel lining to mould reation kettle to be connected, electrical control valve A, B are connected respectively to the pipeline centre. The utility model has the advantages of: the problem of put the high temperature or the unstability low excessively that appear into production when the tantalum niobium minerals decomposes is solved, constant temperature decomposition device temperature regulation to an influence for adorning thermal resistance A's the carbon tube that does not pass through has fine heat conductivity and a corrosion resistance, and the measuring reaction temperature is accurate and do not receive the reaction environment . decomposition to the tantalum niobium minerals in the tantalum niobium minerals smeltery has important effect, can improve decomposition efficiency and extraction efficiency, reduces sour volatilizing to reduce the pollution of environment.
Description
Technical field
The utility model relates to a kind of tantalum niobium concentrate Isothermal Structural Decomposition In Certain device.
Background technology
Tantalum niobium concentrate decomposition reaction principle: hydrofluoric acid+sulfuric acid mixed decomposition, principal reaction equation is as follows:
Nb
2O
5+HF+H
+→HNbF
6+H
2OTa
2O
5+HF+H
+→HTaF
6+H
2O
Add sulfuric acid during decomposition, Leaching reaction speed can be accelerated, adopt HF-H
2sO
4the advantage of system shows: (1) concentrate decomposes when leaching and adds sulfuric acid, can reduce the boiling point of acidic solution, alleviate hydrofluoric acid volatilization loss, improve Working environment.Sulfuric acid participates in ore decomposition, saves hydrofluoric acid consumption, can also improve the rate of decomposition of tantalum niobium, and the raw material (as tantalum rutile, titanium slag etc.) making some be difficult to process becomes and can utilize.(2) the favourable follow-up extraction process separating impurity of sulfuric acid.The acidity of sulfuric acid is stronger than hydrofluoric acid.Impurity element is made to generate inextractable vitriol.(3) sulfuric acid is separated tantalum niobium considerable influence.(4) sulfuric acid cheap be easy to get easy to operate.
Hydrofluoric acid and the highly acid sulfuric acid of the main severe corrosive of tantalum niobium concentrate decomposition leaching are assisted, tantalum niobium concentrate is under the decomposition temperature of 75-85 DEG C, keep 8 hours, rate of decomposition can reach 100%, and general leaching plant, there is no thermostat, so do not reach decompose the environment section of fixing time remain on 75-85 DEG C, following problem can be left: a large amount of heat can be released when reacting and just starting, and the most high-temperature resistant of the reactor decomposer serving as a contrast PE is at 85 DEG C, when temperature of reaction is more than 85 DEG C, hydrofluoric acid can evaporate into HF gas thus lose hydrofluoric acid and polluted air, the reactor of lining PE also can be too high and be out of shape due to temperature of reaction, when tending towards stability after reacting for some time, reaction environment temperature can be reduced to less than 75 DEG C, now reacts complete not, the low decomposed solution impurity of rate of decomposition can be caused to increase thus affect extraction.
Summary of the invention
The purpose of this utility model is to provide a kind of tantalum niobium concentrate Isothermal Structural Decomposition In Certain device, and this device solves the instability problem too high or too low for temperature occurred when tantalum niobium concentrate decomposes on producing.
The technical solution of the utility model is: a kind of tantalum niobium concentrate Isothermal Structural Decomposition In Certain device, this device comprises electronic weighing scale A, B, steel lining plastic reactor.Electronic scales is put in a high position, and hydrofluoric acid test tank and sulphur acid meter measuring tank are put on electronic weighing scale A, B respectively, and hydrofluoric acid scale tank 1 is connected by the steel lining plastic reactor of pipeline with band water jacket with sulfuric acid gauge tank, connects motor-driven control valve A, B respectively in the middle of pipeline.Steel lining plastic reactor covers with not saturating carbon tube, and hot resistance A is inserted in the inside, and in the middle of lid, steel lining plastic stirring rake is housed, stirring rake is connected with step-down gear.Steel lining plastic reactor water jacket one end is connected by pipeline with cold water storage cistern, connects water supply pump and stopping valve A in the middle of pipeline; The steel lining plastic reactor water jacket the other end is connected by pipeline with hot well tank, connects hot water pump and stopping valve B in the middle of pipeline.Cold water storage cistern is equipped with hot resistance B, and cold water storage cistern is connected by pipeline with handpiece Water Chilling Units, and connect motor-driven control valve C in the middle of pipeline, hot well tank is equipped with hot resistance C, and hot well tank is connected with steam-pipe, dress steam regulating valve in the middle of pipeline.The input terminus connection thermal resistor A of PID controller A, output terminal connects motor-driven control valve A, motor-driven control valve B, stopping valve A, stopping valve B, water supply pump, hot water pump.PID controller B input terminus is hot resistance B in succession, and output terminal connects motor-driven control valve C; PID controller C input terminus connection thermal resistor C, output terminal connects steam regulating valve.
The utility model has the advantage of: solve the instability problem too high or too low for temperature occurred when tantalum niobium concentrate decomposes on producing, water coolant reactor around is formed circulation by handpiece Water Chilling Units by water supply pump when temperature is too high by Isothermal Structural Decomposition In Certain device makes temperature of reaction reduction remain on 75-85 DEG C; Temperature of reaction is made also to remain on 75-85 DEG C at reactor surrounding loop hot water by hot well tank hot water pump when temperature of reaction is too low; And for fill hot resistance A not thoroughly carbon tube have good thermal conductivity and erosion resistance, the temperature of reaction of measurement is not precisely and by the impact of reaction environment.There is important effect to the decomposition course of the tantalum niobium concentrate in tantalum niobium concentrate smeltery, decomposition efficiency and extraction efficiency can be improved, reduce the volatilization of acid, and reduce the pollution of environment.
Accompanying drawing explanation
Fig. 1 is the utility model tantalum niobium concentrate Isothermal Structural Decomposition In Certain apparatus structure schematic diagram.
Embodiment
A kind of tantalum niobium concentrate Isothermal Structural Decomposition In Certain device, this device comprises electronic weighing scale A, B, steel lining plastic reactor 21.Electronic scales is put in a high position, and hydrofluoric acid test tank 1 and sulphur acid meter measuring tank 2 are put on electronic weighing scale A, B respectively, and hydrofluoric acid scale tank 1 is connected by the steel lining plastic reactor 21 of pipeline with band water jacket with sulfuric acid gauge tank 2, connects motor-driven control valve A, B respectively in the middle of pipeline.Steel lining plastic reactor covers with not saturating carbon tube 8, and hot resistance A is inserted in the inside, and in the middle of lid, steel lining plastic stirring rake 22 is housed, stirring rake 22 is connected with step-down gear 7.Steel lining plastic reactor water jacket one end is connected by pipeline with cold water storage cistern 17, connects water supply pump 19 and stopping valve A in the middle of pipeline; The steel lining plastic reactor water jacket the other end is connected by pipeline with hot well tank 18, connects hot water pump 20 and stopping valve B in the middle of pipeline.Cold water storage cistern 17 is equipped with hot resistance B, and cold water storage cistern 17 is connected by pipeline with handpiece Water Chilling Units 25, and connect motor-driven control valve C in the middle of pipeline, hot well tank 18 is equipped with hot resistance C, and hot well tank 18 is connected with steam-pipe, dress steam regulating valve 16 in the middle of pipeline.The input terminus connection thermal resistor A of PID controller A, output terminal connects motor-driven control valve A, motor-driven control valve B, stopping valve A, stopping valve B, water supply pump, hot water pump.PID controller B input terminus is hot resistance B in succession, and output terminal connects motor-driven control valve C; PID controller C input terminus connection thermal resistor C, output terminal connects steam regulating valve 16.
Isothermal Structural Decomposition In Certain device control process
(1), according to the weight dropping into mineral aggregate, calculate the hydrofluoric acid of needs and the weight of sulfuric acid, weighed by electronic weighing scale A, B;
(2), by mineral aggregate drop in reactor, open motor-driven control valve A, B, pass into hydrofluoric acid and sulfuric acid, start stirring rake.Hydrofluoric acid, sulfuric acid and mineral aggregate carry out vigorous reaction, release a large amount of heat, measure real time temperature by the hot resistance A be placed in not saturating carbon tube, when temperature is more than 85 DEG C, regulate the opening degree of motor-driven control valve A, B, reduce the flow of hydrofluoric acid and sulfuric acid, and opening stop valve A and water supply pump, in the water jacket outside reactor, pass into cold water (lower than room temperature 7 ~ 14 DEG C), reduce the temperature in reactor with this, if the temperature that hot resistance A measures is lower than 75 DEG C, close water supply pump;
(3), hot resistance B is set in cold water storage cistern, when water temperature is higher than room temperature, opens motor-driven control valve C, by handpiece Water Chilling Units to the water for cooling in cold water storage cistern, stop lower than during room temperature 7 ~ 14 DEG C, when ensureing vigorous reaction in reactor, can continue to lower the temperature to reactor;
(4), measured the weight of hydrofluoric acid scale tank and sulfuric acid gauge tank in real time by electronic weighing scale A, B, when hydrofluoric acid and sulfuric acid reduce to the desired value of calculated in advance, close motor-driven control valve A, B, stop passing into hydrofluoric acid and sulfuric acid;
(5) reaction, now in reactor is comparatively slow, will continue friendship long for some time, and the temperature of hot resistance A measurement will decline, and when lower than 75 DEG C, opening stop valve B and hot water pump, hot water enters in the water jacket outside reactor.When the temperature that hot resistance A measures reaches 85 DEG C, close hot water pump, ensure that temperature in reactor is always between 75 DEG C ~ 85 DEG C with this;
(6) water, in hot well tank is by the real-time measuring tempeature of hot resistance C; when temperature opens steam regulating valve lower than when 85 DEG C, heated, when temperature is higher than 95 DEG C by steam feedwater; steam off variable valve, ensures that the water in hot well tank can continue to be incubated to reactor;
(7), this unit temp controls all to adopt automation system to regulate, and transmission signal is 4 ~ 20mA, and wherein hot resistance a-signal is transferred to PID controller A, control motor-driven control valve A, B regulate and water supply pump, hot water pump, stopping valve A, stopping valve B switch; The signal of hot resistance B, C is transferred to PID controller B, C respectively, controls motor-driven control valve C and steam regulating valve.
Claims (1)
1. a tantalum niobium concentrate Isothermal Structural Decomposition In Certain device, is characterized in that: this device comprises electronic weighing scale A, B(3,4), steel lining plastic reactor (21); Electronic scales is put in a high position, hydrofluoric acid test tank (1) and sulphur acid meter measuring tank (2) are put on electronic weighing scale A, B respectively, hydrofluoric acid scale tank (1) is connected by the steel lining plastic reactor (21) of pipeline with band water jacket with sulfuric acid gauge tank (2), connects motor-driven control valve A, B(5,6 respectively in the middle of pipeline); Steel lining plastic reactor covers with not saturating carbon tube (8), hot resistance A(9 is inserted in the inside), in the middle of lid, steel lining plastic stirring rake (22) is housed, stirring rake (22) is connected with step-down gear (7), steel lining plastic reactor water jacket one end is connected by pipeline with cold water storage cistern (17), connects water supply pump (19) and stopping valve A(23 in the middle of pipeline); The steel lining plastic reactor water jacket the other end is connected by pipeline with hot well tank (18), connects hot water pump (20) and stopping valve B(24 in the middle of pipeline); Cold water storage cistern (17) is equipped with hot resistance B(13), cold water storage cistern (17) is connected by pipeline with handpiece Water Chilling Units (25), motor-driven control valve C(15 is connected) in the middle of pipeline, hot well tank (18) is equipped with hot resistance C(14), hot well tank (18) is connected with steam-pipe, dress steam regulating valve (16) in the middle of pipeline; PID controller A(10) input terminus connection thermal resistor A, output terminal connects motor-driven control valve A(5), motor-driven control valve B(6), stopping valve A(23), stopping valve B(24), water supply pump (19), hot water pump (20); PID controller B(11) input terminus hot resistance B(13 in succession), output terminal connects motor-driven control valve C(15); PID controller C(12) input terminus connection thermal resistor C(14), output terminal connects steam regulating valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545464.0U CN204874677U (en) | 2015-07-27 | 2015-07-27 | Tantalum niobium minerals constant temperature decomposition device |
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|---|---|---|---|
| CN201520545464.0U CN204874677U (en) | 2015-07-27 | 2015-07-27 | Tantalum niobium minerals constant temperature decomposition device |
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| CN204874677U true CN204874677U (en) | 2015-12-16 |
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|---|---|---|---|
| CN201520545464.0U Expired - Fee Related CN204874677U (en) | 2015-07-27 | 2015-07-27 | Tantalum niobium minerals constant temperature decomposition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802019A (en) * | 2020-06-12 | 2021-12-17 | 稀美资源(广东)有限公司 | Alloy mineral air-compression continuous feeding and balanced reaction device |
| CN116162810A (en) * | 2022-12-31 | 2023-05-26 | 江西三石有色金属有限公司 | Method for dissolving tantalum-niobium ore through hydrofluoride acid after impurity removal by dilute sulfuric acid |
-
2015
- 2015-07-27 CN CN201520545464.0U patent/CN204874677U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802019A (en) * | 2020-06-12 | 2021-12-17 | 稀美资源(广东)有限公司 | Alloy mineral air-compression continuous feeding and balanced reaction device |
| CN113802019B (en) * | 2020-06-12 | 2024-05-17 | 稀美资源(广东)有限公司 | Alloy mineral air-compression continuous feeding and equilibrium reaction device |
| CN116162810A (en) * | 2022-12-31 | 2023-05-26 | 江西三石有色金属有限公司 | Method for dissolving tantalum-niobium ore through hydrofluoride acid after impurity removal by dilute sulfuric acid |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180727 |