CN205741148U

CN205741148U - A kind of reaction, separate, wash, evaporate and drying integrated device

Info

Publication number: CN205741148U
Application number: CN201620051938.0U
Authority: CN
Inventors: 冯雅丽; 邓祥意; 李浩然
Original assignee: University of Science and Technology Beijing USTB
Current assignee: University of Science and Technology Beijing USTB
Priority date: 2016-01-19
Filing date: 2016-01-19
Publication date: 2016-11-30
Anticipated expiration: 2026-01-19

Abstract

A kind of reaction, separate, wash, evaporate and drying integrated device, belong to hydrometallurgy and chemical field.Device described in the utility model is mainly by blocking compartment, and auxiliary device composition.It is connected by dividing plate with holes between compartment with compartment, according to leaching different process combinations such as reacting, separate and wash, crystallize and be dried, and the difference of process object, apertured partition is equipped with the specific filter membrane of selection, and installs lower seal to realize the sealing of compartment.According to processing, object is different, be continuously finished in compartment leach reaction, separate and wash, crystallize and be dried in any several technological processes.The individual compartment space of high blade diameter length ratio, is beneficial to realize the control to reaction conditions such as pressure, temperature, stir speed (S.S.)s, and the solid-liquid that stirring scratch board device with holes is prone to accelerate high solid-liquid ratio is biphase, and high concentration liquid phase reactor, improves mass transfer rate.This utility model to flow process and disposal ability strong adaptability, energy, water and medicament reusable edible, clean environment firendly, easy to operate.

Description

A kind of reaction, separate, wash, evaporate and drying integrated device

Technical field

This utility model belongs to hydrometallurgy and chemical field, relates to a kind of high solid-liquid ratio solid-liquid biphase or highly concentrated Degree liquid phase leaches reaction, separates and wash, crystallizes and be dried in integrated apparatus and method.This device mainly by Agent set and auxiliary equipment are constituted, and compartment is having unit structure, set compartment quantity according to treating capacity.Gao Jing The compartment space of high ratio, the solid-liquid that stirring scratch board device with holes is prone to accelerate high solid-liquid ratio is biphase, and high concentration liquid phase React and improve mass-transfer efficiency, and independent space is prone to pressure, temperature, stir speed (S.S.) etc. and controls, according to adding The difference of work object, can continuously and stably complete to react, separates, washs, evaporates, crystallize and back tender Several flow processs in skill.

This utility model to technological process and disposal ability strong adaptability, energy, water and medicament reusable edible, Clean environment firendly, easy to operate, have broad application prospects.

Background technology

Leach reaction and be just made by desired substance (valuable constituent or impurity) in solution-selective separation solid Process, even if the valuable constituent in solid material or objectionable impurities are selectively dissoluted in solvent, generally depends on In the participation of chemical reaction, in most cases, handled material is conventional metallurgical raw material such as Ore, concentrate. It is reactor that tradition leaches reaction unit, is added by reaction mass in reactor, enters under uniform temperature and pressure Row leaching is reacted.Washing is typically that the material that reaction terminates is squeezed into thickening pond and concentrates, and uses adverse current Reaction slag is washed by the method for washing, and overflow portion as your liquid is collected and carries out subsequent extracted technique, the end Stream part carries out the dense laundry operation of secondary, and the dense overflow portion of secondary can be used as the washings of the densest operation, The like.

Patent " the METAL EXTRACTION integrated apparatus of multistage acidleach, washing and filter pressing " (CN203451588) includes Diaphragm filter press, acid storage tank, air blowing tank and blowback gas tank, precompressed gas tank and high pressure gas holder, this device is avoided that Slag filtrate cake bursting, and can at utmost extract metal.Metal pickle liquor is directly squeezed into membrane filter pressing by this device Machine carries out filter pressing, leaches reaction with filter operation the most on the same device, and two-stage acid leaching enters in diaphragm filter press OK, but not stirring and heating function, so two-stage acid leaching reaction is insufficient.Patent " a kind of backflow leaching, The method of washing leaching of ores material " (CN102618720A) changed on the basis of the dense washing of original classics Enter, effectively utilize unreacted spent acid, improve the vanadium content in solution simultaneously, decrease the molten of subsequent job Liquid measure, and decrease wastewater treatment capacity, save production cost.But its washing methods is dense washing, underflow Solid phase still remains the complete spent acid of a large amount of unreacted, so spent acid could be cleaned by washing times to be increased, leaching Going out reaction and dense washing is carried out in different equipment, add equipment cost, equipment takes up an area relatively big and operation Loaded down with trivial details, and apparatus above is all without reference to the technical field evaporated, crystallize and be dried, and reaction is confined to Traditional leaching reaction.

In view of tradition reaction, separation and the transfer of washing process material frequently, occupation area of equipment is big and leaches filtration Clean result is the best, and reactant liquor phasor is big and is difficult to concentrate and purifies, design one collection reacts, separates, washs, Evaporate and be dried in the device and method of one, it is achieved that leaching device and the perfect adaptation of filtration wash unit, Occupation area of equipment is little and good heat insulating, and easy and simple to handle, clear water and medicament are recycled, clean environment firendly, Have broad application prospects.

Summary of the invention

The purpose of this utility model is on the basis of tradition leaching, filtration, washing process, leaching reaction is sent out Raw device and separating, washing apparatus integration, it is to avoid material transfer in each equipment, strengthen leaching and clean result, Improve the recovery to valuable constituent, and this equipment can realize evaporation, crystallization and drying operation.This practicality is new Type apparatus and method both can be stirred leaching reaction under conditions of certain pressure intensity and temperature, after question response terminates, Filtration under diminished pressure can be carried out again on the apparatus, moreover it is possible to by this device, reaction slag is carried out countercurrent washing, medicament mutually All can be recycled with washing liquid and waste heat from tail gas.

This utility model provide a kind of high solid-liquid ratio, or high concentration liquid immersion goes out, filter pressing, wash mill, by Reaction unit is divided into multiple compartment by dividing plate 19, forms high blade diameter length ratio reative cell, and reaction condition is easily controllable, And it is prone to carry out high solid-liquid ratio, or the reaction of liquid liquor ratio.Compartment and other device anabolic reaction system, press filteration systems And purging system, multiple compartments work simultaneously, are continuously finished leaching reaction, filter pressing and washing process flow process.

Described one reacts, separate, wash, evaporate and drying integrated gasifying device is by agent set and auxiliary equipment Composition.Agent set is by sealing ring, dividing plate, filter membrane, compartment lower seal, device wall, heating system on compartment System, relief valve, device top cover, multiple compartment, stirring scratch board device, device base plate, main shaft, liquid collecting room, dress Put support, axle sleeve composition.Auxiliary equipment by pipeline, stirring paddle, liquid valve A, liquid valve B, liquid valve C, Liquid valve D, clean water tank, washing liquid tank C, washing liquid tank B, washing liquid tank A, leach flow container, clarified water pump, three wash Liquid pump C, two lotion pumps B, lotion pumps A, stirring motor, head tank, raw material pump, liquid feed valve, feed valve, Flange, discharge door, air valve, air-introduced machine, splicing groove, spindle motor form.

Described leaching, filter pressing, washing are all to complete in same compartment, i.e. compartment is leaching system, filter pressing System, the common portion of washing system.It is connected by dividing plate between compartment with compartment, dividing plate covers filter membrane, Compartment lower seal is positioned on filter membrane, and on compartment, sealing ring is positioned at compartment top, under dividing plate；Stirring Scraper plate device is welded on the axle sleeve of main shaft, and the middle and upper part of stirring scratch board device is provided with circular hole of uniform size, at device Wall is provided with discharge door, equipped with air valve, feed valve, liquid feed valve on discharge door.

Described response system stirring motor, head tank, raw material pump, feed valve, compartment, main shaft, spindle motor, Stirring scratch board device, air valve, condensed water, condensate drum.Boil-off gas is through condensing unit, and condensed water will The gas being evaporated by compartment is cooled to liquid, and is collected in condensate drum.

Described piece-rate system includes air-introduced machine, liquid valve A, liquid valve B, liquid valve C, liquid valve D, leaching Go out flow container or washing liquid tank A, or washing liquid tank B, or washing liquid tank C, or clean water tank spindle motor, main shaft, stirring Scraper plate device, discharge door, splicing groove form.Relief valve in press filteration system is positioned at device top cover top, air-introduced machine Being connected with each compartment through pipeline, liquid collecting room is connected with leaching flow container through pipeline and liquid valve.

Described purging system includes clarified water pump, lotion pumps C, lotion pumps B, lotion pumps A, clean water tank, washing liquid Tank C, washing liquid tank B, washing liquid tank A, liquid feed valve, spindle motor, main shaft, stirring scratch board device form.Clean Clean water tank in system, washing liquid tank C, washing liquid tank B, washing liquid tank A are through pipeline and corresponding screw pump and each compartment Connect, clean water tank or washing liquid tank A, or washing liquid tank B, or washing liquid tank C is through pipeline and liquid valve A, liquid valve B, liquid valve C, liquid valve D are connected with liquid collecting room, and air-introduced machine is connected with each compartment by pipeline.

Described compartment is by sealing ring, stirring scratch board on discharge door, compartment lower seal, filter membrane, dividing plate, compartment Device forms, and wherein, compartment upper-lower seal circle and discharge door sealing ring make compartment have preferable airtight performance, Prevent reactant liquor, slag or the leakage of gas in reaction, it is ensured that the space of each compartment independence.Determine according to reaction requirement The diameter of compartment and blade diameter length ratio, determined compartment quantity by volume of production.

The edge of stirring scratch board device and device wall, dividing plate distance between 0.5cm 1cm, stirring scratch board device Middle and upper part is divided and is had circular hole of uniform size, and Circularhole diameter is between 0.5cm 2cm；Circle it is uniformly distributed on dividing plate Hole, Circularhole diameter is between 1mm 3mm；Compartment contacts inwall with material and stirring scratch board device is corrosion-resistant Property preferable material, such as politef, Hastelloy etc.；Circular hole it is uniformly distributed, to ensure on dividing plate During filter pressing, liquid phase can be downwardly towards in liquid collecting room by dividing plate and be collected.

Described a kind of reaction, separate, wash, evaporate and be dried the device in integration and be applicable to certain pressure intensity In the range of all solid-liquids biphase, or the reaction between liquid liquid, specifically, including field of hydrometallurgy, solid Dissolving, crystallization, chemical field product contains the reaction such as the hydrolysis of the biphase reaction of solid-liquid, SOLID ORGANIC matter.

A kind of reaction, separate, wash, evaporate and drying integrated method, carrying out the liquid discharged without gas Gu during biphase leaching reaction, comprise the following steps:

1) solid and liquid that participate in reaction are empirically designed proportioning to add in head tank, open stirring motor, Stirring paddle rotates and makes reaction mass mix homogeneously, opens raw material pump and feed valve, by raw material pump by head tank Reaction mass, in each compartment squeezed into by pipeline, makes material just be totally submerged stirring scratch board device top, closes former Material pump and feed valve；

2) opening air valve, the tail gas with uniform temperature is pressed in each compartment, increases to certain Air valve is closed after pressure；

3) opening spindle motor, under the drive of motor, stirring scratch board device starts to rotate, and makes in compartment Material is sufficiently mixed；

4) control heating system the material in each compartment is heated, carry out solid-liquid at a certain temperature biphase Leach reaction；

5) question response terminates rear device for opening top safety valve, starts air-introduced machine, each compartment is carried out filter pressing, Liquid phase passes through filter membrane and apertured partition, is collected in liquid collecting room, after filter pressing completely, closes air-introduced machine, beats Opening liquid valve D, collection leachate, in leaching in flow container, closes liquid valve D；

6) open lotion pumps B, liquid feed valve, in each compartment, input a certain amount of secondary cleaning water, close washing liquid Pump B, liquid feed valve, open spindle motor, once cleans leached mud, cleans after terminating, closes main shaft Motor, startup air-introduced machine, carry out once washing filter pressing to leached mud；Close air-introduced machine, open liquid valve C, Collection primary wash liquor, in washing liquid tank A, closes liquid valve C；

7) lotion pumps C is opened, liquid feed valve, in each compartment, input a certain amount of three washing liquids, close washing liquid Pump C, liquid feed valve, open spindle motor, leached mud is carried out secondary cleaning, clean after terminating, close main shaft Motor 37, startup air-introduced machine, carry out secondary washing filter pressing to leached mud；Close air-introduced machine, open liquid valve B, Collection secondary cleaning water, in washing liquid tank B, closes liquid valve B；

8) clarified water pump is opened, liquid feed valve, in each compartment, input a certain amount of clear water, close clarified water pump, enter Liquid valve, opens spindle motor, leached mud carries out three times and cleans, and cleans after terminating, and closes spindle motor, opens Dynamic air-introduced machine, carries out three washing and filter pressings to leached mud；Close air-introduced machine, open liquid valve A, collect three times Washing liquid, in three washing liquid tanks, closes liquid valve A；

9) opening spindle motor, leached mud is stirred scraper plate device and sweeps and concentrate on the edge of compartment, closes main Spindle motor, opens discharge door, is artificially collected by leached mud among splicing groove, closes discharge door.

Above-mentioned steps 1) and step 2) and step 3) can carry out, i.e. charging, air inlet and stirring operation simultaneously Can carry out simultaneously；Described step 2) in pressure between 23 atmospheric pressure；Step 3) in stirring scratch board The distance of the edge of device and device wall, dividing plate is suitable, and during leaching reaction, solid material will not settle In cell bottom；The middle and upper part of stirring scratch board device is divided and is had circular opening of uniform size, and lower floor's material is stirred Get up, through the circular hole of stirring scratch board device middle and upper part, make material mix homogeneously in each reaction compartments；Step 4) In each reaction compartments be provided with heating system, and realize the control to the temperature leaching reaction by attemperating unit； Step 5) in the aperture of filter membrane by handled material properties depending on, leaching liquid phase in course of reaction can not pass through Filter membrane enters in the reaction compartments of next layer.

Described step 5), step 6), step 7), step 8) obtain leachate, primary wash liquor, two Secondary washing liquid, the concentration of three washing liquids reduce successively；Wherein, step 6) primary wash liquor that obtains can be by a washing liquid Pump A squeezes into head tank reuse.

A kind of integrate reaction, the method separating, evaporate, crystallize and being dried, have gas to discharge carrying out When evaporation, crystallization and dry reaction, comprise the following steps:

1) solid and liquid that participate in reaction are empirically designed proportioning to add in head tank, open raw material stirring Motor, stirring paddle rotates and makes reaction mass mix homogeneously, opens raw material pump and feed valve, by raw material pump by raw material Reaction mass in tank, in each compartment squeezed into by pipeline, makes material just be totally submerged stirring scratch board device top, Close raw material pump and feed valve；

2) opening spindle motor, under the drive of motor, stirring scratch board device starts to rotate, and makes in compartment Material is sufficiently mixed；

3) open air valve, control heating system and the material in each compartment is heated, in uniform temperature Under to carry out solid-liquid biphase, or liquid-liquid diphase reaction；

4) it is passed through condensed water, makes the steam by air valve be condensed into liquid phase, and be collected in condensate drum；

5) after question response terminates, starting air-introduced machine, each compartment is carried out filter pressing, liquid phase passes through filter membrane and band Hole dividing plate (19), is collected in liquid collecting room, after filter pressing completely, closes air-introduced machine, opens liquid valve D, Collection leachate, in leaching in flow container, closes liquid valve D；

6) open lotion pumps B, liquid feed valve, in each compartment, input a certain amount of secondary cleaning water, close two and wash Liquid pump B and liquid feed valve, open spindle motor, once cleans leached mud, cleans after terminating, and closes main Spindle motor, startup air-introduced machine, carry out once washing filter pressing to leached mud；Close air-introduced machine, open liquid valve C, Collection primary wash liquor, in a washing liquid tank, closes liquid valve C；

7) lotion pumps C is opened, liquid feed valve, in each compartment, input a certain amount of three washing liquids, close washing liquid Pump C and liquid feed valve, open spindle motor, and leached mud carries out secondary cleaning, cleans after terminating, closes main shaft Motor, starts air-introduced machine, leached mud is carried out secondary washing filter pressing；Close air-introduced machine, open liquid valve B, Collection secondary cleaning water, in two washing liquid tanks, closes liquid valve B；

8) clarified water pump is opened, liquid feed valve, in each compartment, input a certain amount of clear water, close clarified water pump and enter Liquid valve, opens spindle motor, leached mud carries out three times and cleans, and cleans after terminating, and closes spindle motor, opens Dynamic air-introduced machine, carries out three washing and filter pressings to leached mud；Close air-introduced machine, open liquid valve A, collect three times Washing liquid, in washing liquid tank C, closes liquid valve A；

Above-mentioned steps 1) and step 2) can carry out, i.e. charging and stirring operation can be carried out simultaneously. simultaneously；Each instead Answer compartment to be provided with heating system, and realize the control to the temperature leaching reaction by attemperating unit；Step 5) In the aperture of filter membrane by handled material properties depending on, leaching liquid phase in course of reaction can not enter through filter membrane In the reaction compartments of next layer.

In three cleaning mixture, the concentration of valuable constituent and medicament can determine whether clean result, can reduce according to clean result Or increase washing times.

Compared with prior art, a kind of collection described in the utility model reacts, separates, washs, evaporates, crystallizes Be dried in one device and method, multiple high blade diameter length ratio compartments and auxiliary device constitute reaction unit, its Feature is: the compartment of high blade diameter length ratio can realize that the solid-liquid of high liquid-solid ratio is biphase or high concentration liquid phase leaches reaction, Adding the concentration of valuable constituent in leachate, the follow-up concentration to valuable constituent purifies；High blade diameter length ratio Individual compartment space, be beneficial to realize control to reaction conditions such as pressure, temperature, stir speed (S.S.)s；To leach React and carry out in the same apparatus with separating and wash, crystallize and being dried, it is to avoid material transmits on each equipment The loss transported and cause, according to processing object, is continuously finished above-mentioned any several flow processs, side simple to operate Just；Each compartment is the unit of the above-mentioned flow process of complete independently, is spatially stacked with by compartment according to treating capacity, Decrease occupation area of equipment；Achieving and make full use of tail gas, tail gas had both had heat effect, the most also Reaction pressure can be increased, promote the carrying out of reaction, improve the response rate to valuable constituent；Medicine in primary wash liquor Agent can again act as leaching reaction, owing to reaction slag is carried out reflux type cleaning, saves the consumption of rinse water, Improve cleaning performance, decrease the content of slag Chinese medicine and valuable constituent.

Accompanying drawing explanation

Fig. 1 is a kind of reaction, separates, washs, evaporates, crystallizes and drying integrated device schematic diagram.

Fig. 2 is the process chart of this utility model method.

In Fig. 1,1, stirring paddle, 25, liquid valve, 6, clean water tank, 7, washing liquid tank C, 8, washing liquid tank B,

9, washing liquid tank A, 10, leach flow container, 11, clarified water pump, 12, lotion pumps C, 13, lotion pumps B,

14, lotion pumps A, 15, stirring motor, 16, head tank, 17, raw material pump,

18, sealing ring on compartment, 19, dividing plate, 20, filter membrane, 21, compartment lower seal, 22, device Wall,

23, liquid feed valve, 24, feed valve, 25, heating system, 26, relief valve, 27, device top cover,

28, flange, 29, discharge door, 30, air valve, 31, compartment, 32, tail gas,

33, stirring scratch board device, 34, air-introduced machine, 35, splicing groove, 36, device base plate, 37, spindle motor,

38, main shaft, 39, liquid collecting room, 40, appliance stand, 41, axle sleeve, 42, condensed water,

43, condensate drum.

Detailed description of the invention

Below in conjunction with the accompanying drawings and detailed description of the invention, the utility model is described in more detail.It is made into height After liquid-solid ratio material, being carried out leaching by this utility model, separate, washed, concrete steps are said at this utility model It is discussed in detail in bright book, has repeated no more here.

Embodiment 1

The leaching of clay vanadium mineral high pressure-temperature, remove impurity, separate and wash

Test raw material takes from Hubei clay vanadium mineral, and its chemical composition is as shown in the table:

As seen from table, in this clay, main chemical compositions is SiO₂And Al₂O₃, wherein with V₂O₅The grade of meter is 1.72%.

Ore reduction to particle diameter is accounted for 100% less than 3mm, adds leaching agent MnO₂, consumption be 3% account for viscous The mass fraction of soil navajoite, adds the sulphuric acid that mass fraction is 20% and is made into the ore pulp that solid-to-liquid ratio is 1:1.5, use Ore pulp is squeezed into reaction compartments by pump, and the stir speed (S.S.) of stirring scratch board device is 150r/min, is passed through tail gas and is forced into instead Answering air pressure is 0.3MPa, is heated material in reaction compartments by heater, 80 DEG C, reaction pressure be Leaching under 0.3Pa, after reaction 3h, filter, obtain leachate, reaction slag carries out 3 washings, discharges Leaching slag.

The leaching cinder grade obtained is 0.184%, and after leaching, the leaching rate of vanadium is 96.35%, V in three cleaning mixture₂O₅ Concentration be 0.03g/L.

Experimental example 2

Acidleach vanadium liquid precipitation

Vanadium solution in the present embodiment is to leach obtained leachate in embodiment 1, and regulation pH value of solution is 2.4, Use P204 organic extractant phase tetravalent vanadium ion, then do back washing agent with the sulfuric acid solution of 1.5mol/L, can remove Removing the impurity in acidleach vanadium liquid, obtain purer containing vanadium solution, solution composition is as shown in the table:

Regulation pH value of solution is 5, by this containing vanadium solution and the NH of 250g/L₄Cl equal-volume adds in reaction compartments, The ammonium coefficient that adds now is K=5, and the stir speed (S.S.) of stirring scratch board device is 150r/min, by heater to instead Answer liquid phase heating in compartment, at 30 DEG C, under reaction pressure 0.3MPa, react 1h, generate precipitation ten ammonium vanadate Sodium, it is biphase that reaction terminates rear filter pressing separation solid-liquid, and washs ten ammonium vanadate sodium 2 times with distilled water, finally receives Collection solid ten ammonium vanadate sodium.

Precipitation rate is 98.53%.

Embodiment 3

Straw hydrolysis sugaring

Straw in this example takes from Hubei China Xiaogan farmland, after natural air drying, is crushed to 20 mesh Hereinafter, its main matter consists of hemicellulose, cellulose, lignin, reducing sugar, and moisture content is 6.23%.

Taking the lower straw sample of below 20 mesh sieve, mix with the sulphuric acid that mass fraction is 5%, being made into solid-to-liquid ratio is The material of 1:2, squeezes into reaction compartments with pump by mixture, and the stir speed (S.S.) of stirring scratch board device is 150r/min, It is passed through tail gas and is forced into reaction pressure 0.3MPa, at a temperature of 125 DEG C, carry out water logging, after reaction 2h, filter, Obtain leachate, and with the mode of washing employed in this utility model, reaction slag is carried out 3 washings, discharge Leaching slag.

Reductive hydrolysis sugar yield is 57.30%.

Experimental example 4

Ethanol Fermentation With Uncooked Corn

Test raw material: Semen Maydis powder, content of starch is 65.5% after measured, moisture 12.5%, crude protein 8.13%, Crude fibre 0.94%, crude fat 4.03%, ash 1.09%.

Being that test raw material granularity is less than 0.35mm by raw material pulverizing, raw material with the mass ratio of water is: 1:2, and adds Entering appropriate enzymatic to set out ferment, the kind and the consumption that add enzyme be: (wherein, u/g is enzyme to saccharifying enzyme 250u/g Energy value unit), α-amylase 5u/g, acid protease 10u/g.The mixing speed of stirring scratch board device is 50r/min, 30 DEG C of bottom fermentations 3 days, is heated fermented liquid by heating system, and ethanol is at 80 DEG C Under can evaporate, open air valve, be passed through condensed water, collect containing ethanol liquid.

Concentration of alcohol is 76.7%, and starch utilization ratio is 93.1%.

Experimental example 5

Magnesite acidleach, remove impurity, crystallization Sulphuric acid magnesium

The present embodiment raw material is low-grade magnesite, and it is as shown in the table for its chemical element composition:

It is that 1:1.5 (mass ratio) is made into ore deposit by this magnesite and sulphuric acid (volume ratio 1:1) solution by solid-to-liquid ratio Slurry, squeezes into rapidly in reaction compartments, opens air valve, make the CO that reaction generates₂By condensing tube overflow (or Mobile phone CO₂Gas is otherwise utilized), the mixing speed of stirring scratch board device is 100r/min, reacts at 80 DEG C 2h, adds hydrogen peroxide, makes Fe²⁺It is oxidized to Fe³⁺, it is 6 with ammonia regulation pH value of solution, makes to generate in reaction Al³⁺、Fe³⁺Precipitation, filter pressing, washing leached mud 3 times, obtain the MgSO that purity is higher₄Solution, will reaction Slag in device is cleaned out, and changes the specific filter membrane being applicable to required for magnesium sulfate crystallization.Collection is obtained MgSO₄Solution pump is squeezed in the reaction compartments of this device again, and the mixing speed of stirring scratch board device is 100r/min, heats this solution, moisture in evaporation solution at 80 DEG C, and regulation solution Baume degrees is 46 ° of B é, And make MgSO at 80 DEG C₄Crystallization, obtains high-purity MgSO₄Crystal.

Claims

1. one kind is reacted, separates, washs, evaporates and drying integrated device, by dividing plate (19), reaction unit is divided into multiple high blade diameter length ratio compartment (31), reaction condition is easily controllable, and be prone to carry out high solid-liquid ratio reaction, compartment (31) and other device anabolic reaction system, piece-rate system, purging systems, multiple compartments (31) work simultaneously, are continuously finished leaching reaction, separate and washing process flow process；It is characterized in that:

1) integrated apparatus is made up of agent set and auxiliary equipment；Agent set is made up of sealing ring on compartment (18), dividing plate (19), filter membrane (20), compartment lower seal (21), device wall (22), heating system (25), relief valve (26), device top cover (27), compartment (31), stirring scratch board device (33), device base plate (36), main shaft (38), liquid collecting room (39), appliance stand (40), axle sleeve (41)；Auxiliary equipment is by pipeline, stirring paddle (1), liquid valve A (2), liquid valve B (3), liquid valve C (4), liquid valve D (5), clean water tank (6), washing liquid tank C (7), washing liquid tank B (8), washing liquid tank A (9), leach flow container (10), clarified water pump (11), lotion pumps C (12), lotion pumps B (13), lotion pumps A (14), stirring motor (15), head tank (16), raw material pump (17), liquid feed valve (23), feed valve (24), flange (28), discharge door (29), air valve (30), air-introduced machine (34), splicing groove (35), spindle motor (37) forms；

Described reaction, to separate and wash be all to complete in same compartment (31), i.e. compartment (31) is the common portion of leaching system, piece-rate system, washing system；It is connected by dividing plate (19) between compartment with compartment, filter membrane (20) is covered on dividing plate (19), compartment lower seal (21) is positioned on filter membrane (20), on compartment, sealing ring (18) is positioned at compartment (31) top, under dividing plate (19)；Stirring scratch board device (33) is welded on the axle sleeve (41) of main shaft (38), the middle and upper part of stirring scratch board device (33) is provided with circular hole of uniform size, device wall (22) is provided with discharge door (29), equipped with air valve (30), feed valve (24), liquid feed valve (23) on discharge door (29)；

2) response system includes stirring motor (15), head tank (16), raw material pump (17), feed valve (24) compartment (31), main shaft (38), spindle motor (37), stirring scratch board device (33), air valve (30), condensed water (42), condensate drum (43)；

3) described piece-rate system includes air-introduced machine (34), liquid valve A (2), liquid valve B (3), liquid valve C (4), liquid valve D (5), leaches flow container (10) or washing liquid tank A (9) or washing liquid tank B (8) or washing liquid tank C (7) or clean water tank (6), spindle motor (37), main shaft (38), stirring scratch board device (33), discharge door (29), splicing groove (35) composition；

Air-introduced machine (34) in piece-rate system is connected with each compartment (31) through pipeline, and liquid collecting room (39) is connected with leaching flow container (10) through pipeline and liquid valve A (2), liquid valve B (3), liquid valve C (4), liquid valve D (5)；

4) described purging system includes that clarified water pump (11), lotion pumps C (12), lotion pumps B (13), lotion pumps A (14), clean water tank (6), washing liquid tank C (7), washing liquid tank B (8), washing liquid tank A (9), liquid feed valve (23), spindle motor (37), main shaft (38), stirring scratch board device (33) form；

In purging system, clean water tank (6), washing liquid tank C (7), washing liquid tank B (8), washing liquid tank A (9) are connected with each compartment (31) through pipeline and corresponding screw pump, clean water tank (6) or washing liquid tank A (9) or washing liquid tank B (8) or washing liquid tank C (7) are connected with liquid collecting room (39) through pipeline and liquid valve A (2), liquid valve B (3), liquid valve C (4), liquid valve D (5), and air-introduced machine (34) is connected with each compartment (31) by pipeline.

A kind of reaction the most according to claim 1, separate, wash, evaporate and drying integrated device, it is characterised in that

1) compartment (31) is made up of sealing ring (18), stirring scratch board device (33) on discharge door (29), compartment lower seal (21), filter membrane (20), dividing plate (19), compartment, wherein, compartment upper-lower seal circle (18), (21) and discharge door (29) sealing ring make compartment have preferable airtight performance, prevent reactant liquor, slag or the leakage of gas in reaction, ensure the space of each compartment independence, require to determine diameter and the blade diameter length ratio of compartment according to reaction, volume of production determine compartment quantity；

2) edge of stirring scratch board device (33) and device wall (22), dividing plate (19) distance between 0.5cm-1cm, the middle and upper part of stirring scratch board device (33) is divided and is had circular hole of uniform size, and Circularhole diameter is between 0.5cm-2cm；

3) being uniformly distributed circular hole on dividing plate (19), Circularhole diameter is between 1mm-3mm；Liquid collecting room (39) is collected ensureing that liquid phase can be downwardly towards by dividing plate (19) when filter pressing separates；

4) compartment (31), inwall, dividing plate (19), filter membrane (20), stirring scratch board device (33), sealing ring, valve and the material of pump, is determined by institute's reaction mass and reaction afterproduct characteristic.