CN109019654A - A kind of preparation method and device of pencil carbonic acid strontium crystal - Google Patents

A kind of preparation method and device of pencil carbonic acid strontium crystal Download PDF

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CN109019654A
CN109019654A CN201811226211.1A CN201811226211A CN109019654A CN 109019654 A CN109019654 A CN 109019654A CN 201811226211 A CN201811226211 A CN 201811226211A CN 109019654 A CN109019654 A CN 109019654A
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partitions
precipitation tank
crystal
material trough
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CN109019654B (en
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徐玉娜
钟学明
刘俊辰
奉凤娟
付政立
李鑫
黎彬生
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Nanchang Hangkong University
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C01F11/186—Strontium or barium carbonate
    • C01F11/187—Strontium carbonate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

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  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Organic Chemistry (AREA)
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  • Crystallography & Structural Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

The present invention a kind of preparation method and device of pencil carbonic acid strontium crystal, in reaction unit, using six water strontium chlorides and ammonium hydrogen carbonate as reactant, gelatin is bionical inducer, prepares pencil carbonic acid strontium crystal.After completion of the reaction, through being filtered, washed, and in 105 DEG C of dry 1 h, the pencil carbonic acid strontium crystal being made of crystal bar is obtained.The reaction unit is made of No.1 material trough, precipitation tank and No. two material troughs.The diameter of crystal bar is the nm of 30 nm~50 in pencil strontium carbonate, and length is the nm of 200 nm~700；Product purity >=99%, yield are 96%~98%.Product of the present invention has purity is high, and yield is high, and diameter is small, and crystal draw ratio is big, and low in raw material price, method is simple, low energy consumption, the features such as being convenient for industrialized production.

Description

A kind of preparation method and device of pencil carbonic acid strontium crystal
Technical field
The present invention a kind of preparation method and device of pencil carbonic acid strontium crystal, more particularly to one kind with six water strontium chlorides and Ammonium hydrogen carbonate is reactant, with gelatin for bionical inducer, the method for preparation pencil carbonic acid strontium crystal.Particular technique neck of the present invention Domain is the preparation of pencil carbonic acid strontium crystal.
Background technique
Strontium carbonate is important one of inorganic basic chemical raw materials, it is the important additives of electronic component, extensive Applied to manufacture optical glass, high dielectric material, chemical sensor catalyst etc., purposes is throughout light industry, electronic information, chemical industry etc. More than ten of industry and field, tool have been widely used.The application of strontium carbonate product is related with the size of its particle and pattern, so Synthesis form, size and structure are an important research direction of modern material science by the inorganic material of artificial adjustment.
In past decades, people have attempted many methods to synthesize the carbonic acid strontium crystal of different-shape, main method For liquid phase reactor method, including hypergravity reaction precipitation, microwave reaction method, biomineralization method etc., hypergravity reaction is benefit With Elevated Gravity is provided under conditions of high speed rotation, the specific surface area synthetic crystal nano particle of filler is improved, but this side Method must react inside high gravity rotating packed bed, the high requirements on the equipment, so at high cost；Microwave reaction method utilizes non-thermal The heating method of delivery type, heats reaction, but provides thermal energy to reaction and then need to consume other more energies, does not meet The characteristics of low power consuming in present Green Chemistry；Biomineralization method is that the biological enzyme generated using the metabolism of microorganism is passed through The CO that enzymeization effect generates3 2-With Sr2+Reaction generates carbonic acid strontium crystal, but what the method used is microorganism living, so Poor controllability.Not only there is disadvantage mentioned above in existing method, but also general cost of material is relatively expensive, the condition of control is more, Trivial operations, the pencil crystal being generally made of crystal bar are required to complete under heating conditions, consume other energy.
The present invention is at high cost in existing method, the problems such as poor controllability, trivial operations, greenization is poor, proposes one kind High-purity, high yield, diameter is small, and crystal draw ratio is big, low in raw material price, and technology stability is high, easy to operate, and method is easy It is easy, low energy consumption, the preparation method for the pencil carbonic acid strontium crystal being convenient for industrialized production.
Summary of the invention
The purpose of the present invention is at high cost in existing method, the problems such as poor controllability, trivial operations, greenization is poor, mentions A kind of high-purity out, high yield, diameter is small, and crystal draw ratio is big, low in raw material price, and technology stability is high, easy to operate, side Method is simple and easy to do, low energy consumption, the preparation method for the pencil carbonic acid strontium crystal being convenient for industrialized production.
The present invention a kind of preparation method and device of pencil carbonic acid strontium crystal are reaction with six water strontium chlorides and ammonium hydrogen carbonate Raw material, gelatin are bionical inducer, prepare pencil carbonic acid strontium crystal.
The preparation method specifically: the No.1 valve (4) being first turned in reaction unit and No. two valves (6) are pressed It is six water strontium chlorides: ammonium hydrogen carbonate=1 according to mass ratio: 1.0~1.1, divide 3 batches and be added in reaction unit, 3 batches of reactants are each From quality remain unchanged.First six water strontium chloride is added to No.1 material trough (10) by No.1 feed inlet (1), leads to simultaneously It crosses No. two feed inlets (9) and first ammonium hydrogen carbonate is added to No. two material troughs (12), mass fraction is added in precipitation tank (11) For 0.020% gelatin solution to assigned scale；Under room temperature, 24 h of reaction are stood；It is six water strontium chlorides according to mass ratio: Ammonium hydrogen carbonate=1: 1.0~1.1, six water strontium chloride of second batch is added to No.1 material trough (10) by No.1 feed inlet (1), is led to It crosses No. two feed inlets (9) and second batch ammonium hydrogen carbonate is added to No. two material troughs (12)；Under room temperature, 24 h of reaction are stood；It presses It is six water strontium chlorides: ammonium hydrogen carbonate=1 according to mass ratio: 1.0~1.1, six water chlorinations of third batch are added by No.1 feed inlet (1) Third batch ammonium hydrogen carbonate is added to No. two material troughs (12) to No.1 material trough (10), by No. two feed inlets (9) in strontium, stands anti- After answering 48 h, No.1 valve (4) and No. two valves (6) are closed, the product in precipitation tank (11) is filtered, are distilled water washing 3 times, In 105 DEG C of dry 1 h, the pencil carbonic acid strontium crystal being made of crystal bar is obtained；The diameter of crystal bar is the nm of 30 nm~50, and length is The nm of 200 nm~700, product purity >=99%, yield are 96%~98%；
The reaction unit are as follows: reaction unit is made of No.1 material trough (10), precipitation tank (11) and No. two material troughs (12)； No.1 material trough (10), precipitation tank (11) and the length and width of No. two material troughs (12) and height are 100 cm, 30 cm, 50 cm, body Product is 150 L；No.1 material trough (10) is provided with No.1 feed inlet (1), No.1 partition (2) and No. two partitions (3)；No.1 into Material mouth (1) and the interface height of No.1 material trough (10) are 10 cm；A length of 35 cm of No.1 partition (2), width are 30 cm；Two Number a length of 45 cm of partition (3), width are 30 cm；The distance between No.1 partition (2) and No.1 feed inlet (1) side panel are 40 Cm is 30 cm between No.1 partition (2) and No. two partitions (3), edge and edge on No.1 material trough (10) on No.1 partition (2) The distance between be 15 cm, the lower edge of No. two partitions (3) with No.1 material trough (10) bottom at a distance from be 5 cm；Precipitation tank (11) No. three partitions (5), a length of 45 cm of No. three partitions (5) are provided with, width is 30 cm；No. three partitions (5) are away from precipitation tank (11) 50 cm of two sides, the lower edge of No. three partitions (5) are 5 cm at a distance from precipitation tank (11) bottom；No. two material troughs (12) set It is equipped with No. two feed inlets (9), No. four partitions (7) and No. five partitions (8)；No. two feed inlets (9) connect with No. two material trough (12) Open height is 10 cm；A length of 45 cm of No. four partitions (7), width are 30 cm；The length of No. five partitions (8) is 35 cm, wide For 30 cm；The distance between No. five partitions (8) and No. two feed inlet (9) side panels are 40 cm, No. four partitions (7) with No. five every Be 30 cm between plate (8), on No. five partitions (8) along on No. two material troughs (12) along the distance between be 15 cm, No. four The lower edge of partition (7) is 5 cm at a distance from No. two material trough (12) bottoms；No.1 material trough (10) and precipitation tank (11) it Between detachable connecting pipe is installed, No.1 valve (4) are provided on pipeline；Precipitation tank (11) and No. two material troughs (12) with Between detachable connecting pipe is installed, No. two valves (6) are provided on pipeline.
Beneficial effects of the present invention: 1) with high purity.The pencil carbonic acid strontium crystal being made of prepared by the present invention crystal bar Purity >=99%.2) yield is high.Yield is 96%~98%.3) diameter is small, and crystal draw ratio is big.The diameter of crystal bar is 30 nm~50 Nm, length are the nm of 200 nm~700, and draw ratio range is 4~25.3) production cost is low.Low in raw material price, it is used Raw material is six water strontium chlorides, ammonium hydrogen carbonate and gelatin, and three kinds of raw materials are cheap and easy to get.4) technology stability is high.Response parameter Easy to control, extraneous factor is very small to the interference of reaction；Only need control reaction in bionical inducer concentrations and plus raw material when Between, the complete pencil carbonic acid strontium crystal of growth and development can be obtained.5) low energy consumption, method is simple.Raw material, room need to only be added Reaction, filtering are stood under the conditions of temperature, drying can be obtained the pencil carbonic acid strontium crystal being made of crystal bar, be convenient for industrialized production.
Detailed description of the invention
Fig. 1 is the SEM figure of pencil carbonic acid strontium crystal prepared by the present invention；
Fig. 2 is the XRD diagram of pencil carbonic acid strontium crystal prepared by the present invention；
Fig. 3 is the reaction unit schematic diagram of pencil carbonic acid strontium crystal prepared by the present invention；
Wherein, 1, No.1 feed inlet；2, No.1 partition；3, No. two partitions；4, No.1 valve；5, No. three partitions；6, No. two valves Door；7, No. four partitions；8, No. five partitions；9, No. two feed inlets；10, No.1 material trough；11, precipitation tank；12, No. two material troughs.
Specific embodiment
Combined with specific embodiments below to a kind of preparation method and device work of pencil carbonic acid strontium crystal of the present invention It further describes.
Embodiment 1
0.60 kg is added by No.1 feed inlet (1) in the No.1 valve (4) being first turned in reaction unit and No. two valves (6) 0.66 kg ammonium hydrogen carbonate is added to No. two material troughs to No.1 material trough (10), by No. two feed inlets (9) in six water strontium chlorides (12), mass fraction is added in precipitation tank as 0.020% gelatin solution to assigned scale；Under room temperature, reaction 24 is stood h；0.60 kg, six water strontium chloride is added to No.1 material trough (10) by No.1 feed inlet (1), is added by No. two feed inlets (9) Enter 0.66 kg ammonium hydrogen carbonate to No. two material troughs (12)；Under room temperature, 24 h of reaction are stood, are added by No.1 feed inlet (1) Enter 0.60 kg, six water strontium chloride to No.1 material trough (10), 0.66 kg ammonium hydrogen carbonate is added to two by No. two feed inlets (9) Number material trough (12) stands 48 h of reaction under room temperature；No.1 valve (4) and No. two valves (6) are closed, it will be in precipitation tank Product filtering, distill water washing 3 times, in 105 DEG C of dry 1 h, pencil carbonic acid strontium crystal that acquisition is made of crystal bar.Crystal bar Diameter is the nm of 30 nm~50, and length is the nm of 200 nm~700, product purity >=99%, yield 97%.
The reaction unit are as follows: reaction unit is made of No.1 material trough (10), precipitation tank and No. two material troughs (12). No.1 material trough (10), precipitation tank and the length and width of No. two material troughs (12) and height are 100 cm, 30 cm, 50 cm, and volume is equal For 150 L.No.1 material trough (10) is provided with No.1 feed inlet (1), No.1 partition (2) and No. two partitions (3)；No.1 feed inlet It (1) is 10 cm with the interface height of No.1 material trough (10)；A length of 35 cm of No.1 partition (2), width are 30 cm；No. two every A length of 45 cm of plate (3), width are 30 cm；Between No.1 partition (2) and No.1 feed inlet (1) side panel of No.1 material trough (10) Distance be 40 cm, be 30 cm between No.1 partition (2) and No. two partitions (3), edge and No.1 material on No.1 partition (2) The distance between edge is 15 cm on slot (10), and the lower edge of No. two partitions (3) is 5 at a distance from No.1 material trough (10) bottom cm.Precipitation tank is provided with No. three partitions (5), a length of 45 cm of No. three partitions (5), and width is 30 cm；No. three partitions (5) are away from precipitating 50 cm of slot two sides, the lower edge of No. three partitions (5) are 5 cm at a distance from precipitating trench bottom.No. two material troughs (12) are provided with two Number feed inlet (9), No. four partitions (7) and No. five partitions (8)；The interface height of No. two feed inlets (9) and No. two material troughs (12) For 10 cm；A length of 45 cm of No. four partitions (7), width are 30 cm；The length of No. five partitions (8) is 35 cm, and wide is 30 cm；The distance between No. two feed inlet (9) side panels of No. five partitions (8) and No. two material troughs (12) are 40 cm, No. four partitions It (7) is 30 cm between No. five partitions (8), edge is on No. five partitions (8) with the distance between edge on No. two material troughs (12) 15 cm, the lower edge of No. four partitions (7) are 5 cm at a distance from No. two material trough (12) bottoms.No.1 material trough (10) and heavy Detachable connecting pipe is installed between the slot of shallow lake, No.1 valve (4) are provided on pipeline；In precipitation tank and No. two material troughs (12) Detachable connecting pipe is installed between, No. two valves (6) are provided on pipeline.
Embodiment 2
0.60 kg is added by No.1 feed inlet (1) in the No.1 valve (4) being first turned in reaction unit and No. two valves (6) 0.64 kg ammonium hydrogen carbonate is added to No. two material troughs to No.1 material trough (10), by No. two feed inlets (9) in six water strontium chlorides (12), mass fraction is added in precipitation tank as 0.020% gelatin solution to assigned scale；Under room temperature, reaction 24 is stood h；0.60 kg, six water strontium chloride is added to No.1 material trough (10) by No.1 feed inlet (1), is added by No. two feed inlets (9) Enter 0.64 kg ammonium hydrogen carbonate to No. two material troughs (12)；Under room temperature, 24 h of reaction are stood, are added by No.1 feed inlet (1) Enter 0.60 kg, six water strontium chloride to No.1 material trough (10), 0.64 kg ammonium hydrogen carbonate is added to two by No. two feed inlets (9) Number material trough (12) stands 48 h of reaction under room temperature；No.1 valve (4) and No. two valves (6) are closed, it will be in precipitation tank Product filtering, distill water washing 3 times, in 105 DEG C of dry 1 h, pencil carbonic acid strontium crystal that acquisition is made of crystal bar.Crystal bar Diameter is the nm of 30 nm~50, and length is the nm of 200 nm~700, product purity >=99%, yield 96%.
The reaction unit are as follows: reaction unit is made of No.1 material trough (10), precipitation tank and No. two material troughs (12). No.1 material trough (10), precipitation tank and the length and width of No. two material troughs (12) and height are 100 cm, 30 cm, 50 cm, and volume is equal For 150 L.No.1 material trough (10) is provided with No.1 feed inlet (1), No.1 partition (2) and No. two partitions (3)；No.1 feed inlet It (1) is 10 cm with the interface height of No.1 material trough (10)；A length of 35 cm of No.1 partition (2), width are 30 cm；No. two every A length of 45 cm of plate (3), width are 30 cm；Between No.1 partition (2) and No.1 feed inlet (1) side panel of No.1 material trough (10) Distance be 40 cm, be 30 cm between No.1 partition (2) and No. two partitions (3), edge and No.1 material on No.1 partition (2) The distance between edge is 15 cm on slot (10), and the lower edge of No. two partitions (3) is 5 at a distance from No.1 material trough (10) bottom cm.Precipitation tank is provided with No. three partitions (5), a length of 45 cm of No. three partitions (5), and width is 30 cm；No. three partitions (5) are away from precipitating 50 cm of slot two sides, the lower edge of No. three partitions (5) are 5 cm at a distance from precipitating trench bottom.No. two material troughs (12) are provided with two Number feed inlet (9), No. four partitions (7) and No. five partitions (8)；The interface height of No. two feed inlets (9) and No. two material troughs (12) For 10 cm；A length of 45 cm of No. four partitions (7), width are 30 cm；The length of No. five partitions (8) is 35 cm, and wide is 30 cm；The distance between No. two feed inlet (9) side panels of No. five partitions (8) and No. two material troughs (12) are 40 cm, No. four partitions It (7) is 30 cm between No. five partitions (8), edge is on No. five partitions (8) with the distance between edge on No. two material troughs (12) 15 cm, the lower edge of No. four partitions (7) are 5 cm at a distance from No. two material trough (12) bottoms.No.1 material trough (10) and heavy Detachable connecting pipe is installed between the slot of shallow lake, No.1 valve (4) are provided on pipeline；In precipitation tank and No. two material troughs (12) Detachable connecting pipe is installed between, No. two valves (6) are provided on pipeline.
Embodiment 3
0.60 kg is added by No.1 feed inlet (1) in the No.1 valve (4) being first turned in reaction unit and No. two valves (6) 0.68 kg ammonium hydrogen carbonate is added to No. two material troughs to No.1 material trough (10), by No. two feed inlets (9) in six water strontium chlorides (12), mass fraction is added in precipitation tank as 0.020% gelatin solution to assigned scale；Under room temperature, reaction 24 is stood h；0.60 kg, six water strontium chloride is added to No.1 material trough (10) by No.1 feed inlet (1), is added by No. two feed inlets (9) Enter 0.68 kg ammonium hydrogen carbonate to No. two material troughs (12)；Under room temperature, 24 h of reaction are stood；Added by No.1 feed inlet (1) Enter 0.60 kg, six water strontium chloride to No.1 material trough (10), 0.68 kg ammonium hydrogen carbonate is added to two by No. two feed inlets (9) Number material trough (12) stands 48 h of reaction under room temperature；No.1 valve (4) and No. two valves (6) are closed, it will be in precipitation tank Product filtering, distill water washing 3 times, in 105 DEG C of dry 1 h, pencil carbonic acid strontium crystal that acquisition is made of crystal bar.Crystal bar Diameter is the nm of 30 nm~50, and length is the nm of 200 nm~700, product purity >=99%, yield 98%.
The reaction unit are as follows: reaction unit is made of No.1 material trough (10), precipitation tank and No. two material troughs (12). No.1 material trough (10), precipitation tank and the length and width of No. two material troughs (12) and height are 100 cm, 30 cm, 50 cm, and volume is equal For 150 L.No.1 material trough (10) is provided with No.1 feed inlet (1), No.1 partition (2) and No. two partitions (3)；No.1 feed inlet It (1) is 10 cm with the interface height of No.1 material trough (10)；A length of 35 cm of No.1 partition (2), width are 30 cm；No. two every A length of 45 cm of plate (3), width are 30 cm；Between No.1 partition (2) and No.1 feed inlet (1) side panel of No.1 material trough (10) Distance be 40 cm, be 30 cm between No.1 partition (2) and No. two partitions (3), edge and No.1 material on No.1 partition (2) The distance between edge is 15 cm on slot (10), and the lower edge of No. two partitions (3) is 5 at a distance from No.1 material trough (10) bottom cm.Precipitation tank is provided with No. three partitions (5), a length of 45 cm of No. three partitions (5), and width is 30 cm；No. three partitions (5) are away from precipitating 50 cm of slot two sides, the lower edge of No. three partitions (5) are 5 cm at a distance from precipitating trench bottom.No. two material troughs (12) are provided with two Number feed inlet (9), No. four partitions (7) and No. five partitions (8)；The interface height of No. two feed inlets (9) and No. two material troughs (12) For 10 cm；A length of 45 cm of No. four partitions (7), width are 30 cm；The length of No. five partitions (8) is 35 cm, and wide is 30 cm；The distance between No. two feed inlet (9) side panels of No. five partitions (8) and No. two material troughs (12) are 40 cm, No. four partitions It (7) is 30 cm between No. five partitions (8), edge is on No. five partitions (8) with the distance between edge on No. two material troughs (12) 15 cm, the lower edge of No. four partitions (7) are 5 cm at a distance from No. two material trough (12) bottoms.No.1 material trough (10) and heavy Detachable connecting pipe is installed between the slot of shallow lake, No.1 valve (4) are provided on pipeline；In precipitation tank and No. two material troughs (12) Detachable connecting pipe is installed between, No. two valves (6) are provided on pipeline.

Claims (1)

1. a kind of preparation method and device of pencil carbonic acid strontium crystal, it is characterised in that: the preparation method is with six water chlorinations Strontium and ammonium hydrogen carbonate are reactant, and gelatin is bionical inducer, prepare pencil carbonic acid strontium crystal；
The preparation method specifically: the No.1 valve (4) being first turned in reaction unit and No. two valves (6), according to matter Amount is than being six water strontium chlorides: ammonium hydrogen carbonate=1: 1.0~1.1, divide 3 batches and be added in reaction unit, 3 batches of reactants are respective Quality remains unchanged；First six water strontium chloride is added to No.1 material trough (10) by No.1 feed inlet (1), while passing through two First ammonium hydrogen carbonate is added to No. two material troughs (12) in number feed inlet (9), and mass fraction is added in precipitation tank (11) and is 0.020% gelatin solution is to assigned scale；Under room temperature, 24 h of reaction are stood；It is six water strontium chlorides: carbon according to mass ratio Sour hydrogen ammonium=1: 1.0~1.1, six water strontium chloride of second batch is added to No.1 material trough (10) by No.1 feed inlet (1), is passed through Second batch ammonium hydrogen carbonate is added to No. two material troughs (12) in No. two feed inlets (9)；Under room temperature, 24 h of reaction are stood；According to Mass ratio is six water strontium chlorides: ammonium hydrogen carbonate=1: 1.0~1.1, six water strontium chlorides of third batch are added by No.1 feed inlet (1) To No.1 material trough (10), third batch ammonium hydrogen carbonate is added to No. two material troughs (12) by No. two feed inlets (9), stands reaction After 48 h, No.1 valve (4) and No. two valves (6) are closed, the product in precipitation tank (11) is filtered, are distilled water washing 3 times, in 105 DEG C of 1 h of drying obtain the pencil carbonic acid strontium crystal being made of crystal bar；The diameter of crystal bar is the nm of 30 nm~50, and length is The nm of 200 nm~700, product purity >=99%, yield are 96%~98%；
The reaction unit are as follows: reaction unit is made of No.1 material trough (10), precipitation tank (11) and No. two material troughs (12)； No.1 material trough (10), precipitation tank (11) and the length and width of No. two material troughs (12) and height are 100 cm, 30 cm, 50 cm, body Product is 150 L；No.1 material trough (10) is provided with No.1 feed inlet (1), No.1 partition (2) and No. two partitions (3)；No.1 into Material mouth (1) and the interface height of No.1 material trough (10) are 10 cm；A length of 35 cm of No.1 partition (2), width are 30 cm；Two Number a length of 45 cm of partition (3), width are 30 cm；The distance between No.1 partition (2) and No.1 feed inlet (1) side panel are 40 Cm is 30 cm between No.1 partition (2) and No. two partitions (3), edge and edge on No.1 material trough (10) on No.1 partition (2) The distance between be 15 cm, the lower edge of No. two partitions (3) with No.1 material trough (10) bottom at a distance from be 5 cm；Precipitation tank (11) No. three partitions (5), a length of 45 cm of No. three partitions (5) are provided with, width is 30 cm；No. three partitions (5) are away from precipitation tank (11) 50 cm of two sides, the lower edge of No. three partitions (5) are 5 cm at a distance from precipitation tank (11) bottom；No. two material troughs (12) set It is equipped with No. two feed inlets (9), No. four partitions (7) and No. five partitions (8)；No. two feed inlets (9) connect with No. two material trough (12) Open height is 10 cm；A length of 45 cm of No. four partitions (7), width are 30 cm；The length of No. five partitions (8) is 35 cm, wide For 30 cm；The distance between No. five partitions (8) and No. two feed inlet (9) side panels are 40 cm, No. four partitions (7) with No. five every Be 30 cm between plate (8), on No. five partitions (8) along on No. two material troughs (12) along the distance between be 15 cm, No. four The lower edge of partition (7) is 5 cm at a distance from No. two material trough (12) bottoms；No.1 material trough (10) and precipitation tank (11) it Between detachable connecting pipe is installed, No.1 valve (4) are provided on pipeline；Precipitation tank (11) and No. two material troughs (12) with Between detachable connecting pipe is installed, No. two valves (6) are provided on pipeline.
CN201811226211.1A 2018-10-22 2018-10-22 Preparation method of beam-shaped strontium carbonate crystal Expired - Fee Related CN109019654B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105271322A (en) * 2015-09-28 2016-01-27 辽宁工程技术大学 Preparation method of fascicular magnesium carbonate trihydrate crystals
CN105836780A (en) * 2016-03-28 2016-08-10 余国礼 Method of converting celestite into strontium carbonate under cavitation effect
CN106927492A (en) * 2015-12-30 2017-07-07 吴礼秀 A kind of high-purity strontium salt preparation method
CN107601543A (en) * 2017-10-28 2018-01-19 李志强 Strontium carbonate and its production method
CN108675335A (en) * 2018-09-03 2018-10-19 南昌航空大学 A kind of bionical method for preparing carbonic acid strontium crystal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105271322A (en) * 2015-09-28 2016-01-27 辽宁工程技术大学 Preparation method of fascicular magnesium carbonate trihydrate crystals
CN106927492A (en) * 2015-12-30 2017-07-07 吴礼秀 A kind of high-purity strontium salt preparation method
CN105836780A (en) * 2016-03-28 2016-08-10 余国礼 Method of converting celestite into strontium carbonate under cavitation effect
CN107601543A (en) * 2017-10-28 2018-01-19 李志强 Strontium carbonate and its production method
CN108675335A (en) * 2018-09-03 2018-10-19 南昌航空大学 A kind of bionical method for preparing carbonic acid strontium crystal

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