CN106582116A - Preparation method and apparatus for medical intermediate filtering material - Google Patents
Preparation method and apparatus for medical intermediate filtering material Download PDFInfo
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- CN106582116A CN106582116A CN201710021627.9A CN201710021627A CN106582116A CN 106582116 A CN106582116 A CN 106582116A CN 201710021627 A CN201710021627 A CN 201710021627A CN 106582116 A CN106582116 A CN 106582116A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5144—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal with a composition mainly composed of one or more of the metals of the iron group
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- Ceramic Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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Abstract
The invention discloses a preparation method and apparatus for a medical intermediate filtering material, and relates to the technical field of medicine preparation. The method comprises the steps of a, preparing ferric nitrate, nickel sulfate, EDTANa2 and hydrazine hydrate into 10-25% by mass of a solution, and regulating the pH value to 4-6; b, mixing silica sol, boric acid and dimethylamine, diluting a mixture to be 30-60% by mass, performing ultrasonic oscillation for 2-5 hours, and regulating the pH value to 3-7; c, putting products prepared in the steps a and b into plasma flame sprayed by a plasma spray gun according to a volume ratio of (1-8) : 1; and d, spraying the plasma flame to the surface of a support body such as an aluminum oxide honeycomb ceramic, a stainless steel pore plate or the like for performing an in-situ reaction to prepare the medical intermediate filtering material. The preparation apparatus is characterized in that a feeding sleeve pipe is arranged on the front side of a spray opening of the plasma spray gun; an outer pipe of the feeding sleeve pipe is connected with a first peristaltic pump conveying hose; and an inner pipe of the feeding sleeve pipe is connected with a second peristaltic pump conveying hose. The preparation method and apparatus has the advantages of simple process, high production efficiency, controllable filtering pore diameter range and the like.
Description
Technical field
The present invention relates to technical field of medicine preparation, say it is that a kind of process is simple, production efficiency are high in detail, pore size filter model
Enclose controllable, nano-bacteria and impurity, synthesis of high purity medicine, the medicine of the excellent performance such as heatproof, pressure, bending strength can be removed
The preparation method and device of intermediate filtering material.
Background technology
It is known that medicine intermediate is the indispensable semi-finished stock of pharmaceutical synthesis industry, its purity is directly affected
The medical quality of synthesis and clinical effectiveness.Therefore need to carry out intermediate during pharmaceutical synthesis it is strict filter remove antibacterial with
And other impurities.Medicine intermediate filtering material is applied at present is mainly 316L powder of stainless steel sintered porous filter materials.Its
Preparation process needs the operations such as high temperature sintering, electrobrightening, cleaning, and preparation process is complicated, and electrolytic polishing liquid typically has poison
Property, need fully to clean.Additionally, the pore size filter of the filtering material for preparing is typically in 0.05-10um scopes, it is less for diameter
Antibacterial and impurity (10-50nm) be difficult to effectively removal, the medicine of synthesis of high purity is restricted.
The content of the invention：
Present invention aim to address above-mentioned the deficiencies in the prior art, there is provided a kind of process is simple, production efficiency are high, pore size filter
Range-controllable, can remove nano-bacteria and impurity, synthesis of high purity medicine, the doctor of the excellent performance such as heatproof, pressure, bending strength
The preparation method and device of medicine intermediate filtering material.
The present invention solves the technical scheme that adopted of the deficiencies in the prior art：
A kind of preparation method of medicine intermediate filtering material, it is characterised in that comprise the steps：
A, by ferric nitrate, nickel sulfate, EDTANa2, hydrazine hydrate 6-7 in molar ratio: 1-2.5:10-12:7-8 uniformly mixes, and
Deionized water dissolving is prepared into the solution of mass fraction 10-25%, and is adjusted to PH=4-6 with nitric acid, is prepared into metal complex
Thing saline solution is stand-by；
B, by Ludox, boric acid, dimethylamine 2-4 in molar ratio: 1-2:1-3 mixes, and deionized water is diluted to mass fraction
30-60%, and ultrasonic vibration (frequency 20-40KHz) 2-5h under 70-90oC, while being adjusted to PH=3- with ammonium acetate or acetic acid
7, it is prepared into silicon boron colloidal sol precursor stand-by；
C, metal complex saline solution prepared by step a, b and silicon boron colloidal sol precursor 1-8 by volume:1（It is preferred that 2.8-
3.5:1）Insert the plasma torch of plasma gun ejection（Plasma arc）It is interior；
Metal complex saline solution and silicon boron colloidal sol precursor are sprayed on aluminium oxide by the plasma torch that d, plasma gun spray
The supporting body surface such as ceramic honey comb or stainless steel plate carries out reaction in-situ, is prepared into medicine intermediate filtering material.
In present invention c steps, metal complex saline solution prepared by step a, b and silicon boron colloidal sol precursor are by volume
2.8-3.5:1 plasma torch for inserting plasma gun ejection（Plasma arc）It is interior.
Heretofore described plasma gun power parameter is：Voltage：65-80V, electric current：600-750A, from argon
There is source of the gas for plasma arc, hydrogen is protective gas；Argon, hydrogen flowing quantity are respectively：45-50L/min and 10-25L/min.
Heretofore described metal complex saline solution and silicon boron colloidal sol precursor insert plasma gun ejection etc.
Ionic flame（Plasma arc）When interior, metal complex saline solution is coated on silicon boron colloidal sol precursor surrounding, can after reaction
Continuous iron-nickel alloy network is formed, the silicon boron oxygen nitrogen/ferrum nickel porous metalloceramic being prepared into is improved (i.e.：Medicine intermediate is filtered
Material) intensity and toughness.
A kind of preparation facilitiess of medicine intermediate filtering material, are provided with plasma gun, it is characterised in that the spray of plasma gun
Mouth front side top is provided with feeding sleeve pipe, and feeding sleeve pipe is double-jacket tube, the outer tube of feeding sleeve pipe and the first peristaltic pump delivery hose
Discharging opening is connected, and the inner tube of feeding sleeve pipe is connected with the discharging opening of the second peristaltic pump delivery hose.
Heretofore described plasma gun power parameter is：Voltage：65-80V, electric current：600-750A, from argon
There is source of the gas for plasma arc, hydrogen is protective gas；Argon, hydrogen flowing quantity are respectively：45-50L/min and 10-25L/min.
Heretofore described plasma spray gun body is provided with support, and feeding sleeve pipe is fixedly mounted on support.
Heretofore described feeding sleeve pipe is concentric double-jacket tube, and the discharging opening of feeding sleeve pipe is positioned at plasma gun spray
Above the plasma torch for going out.The material that feeding sleeve pipe discharging opening flows out is fallen in the plasma torch of plasma gun ejection,
Metal complex saline solution in material is reduced through plasma high-temperature, forms iron-nickel alloy melt, while outer layer sleeve
Silicon boron colloidal sol precursor cracks to form silicon boron oxygen nitrogen ceramic droplet through plasma high-temperature.The ferrum nickel that wherein high temperature reduction is obtained
Alloy-coated is in silicon boron oxygen nitrogen top ceramic layer, and is sprayed on the supporting body surfaces such as cellular alumina ceramics or stainless steel plate,
Accelerate through plasma torch, high-speed impact stratification loose structure.Gold in the material flowed out due to feeding sleeve pipe discharging opening
Category complex salts solution is coated on the outside of silicon boron colloidal sol precursor, is made metal reduction, melting more thoroughly, is advantageously formed continuous ferrum
Nickel alloy network, improves the intensity and toughness of metalloceramic filter body.
The supporter fixed mount for fixed support body is provided with front of the spout of heretofore described plasma gun.
The present invention preparation facilitiess when in use, by step a, b prepare metal complex saline solution and silicon boron colloidal sol elder generation
Drive body to be respectively implanted in the magazine of the first peristaltic pump and the second peristaltic pump（The pan feeding port of peristaltic pump delivery hose is located at storage
In material container）, open plasma gun, make its spout produce plasma torch, by cellular alumina ceramics or stainless steel plate
15-20cm on front side of plasma torch is placed in Deng supporter, the rate of discharge of the first peristaltic pump and the second peristaltic pump is set as 0.6-
1.5L/min and 0.2-0.5L/min；Spray the silicon boron oxygen nitrogen/ferrum nickel coating of desired thickness as needed on supporter, make
The silicon boron oxygen nitrogen/ferrum nickel of nano-pore structure（Silicon boron oxygen nitrogen/Fe0.75Ni0.25）Porous metalloceramic（I.e.：Medicine intermediate filter material
Material）.
Method of the present invention process is simple, production efficiency are high, thickness according to product, can control the model of pore size filter
Enclose, nano-bacteria and impurity, synthesis of high purity medicine, the excellent performance such as the heatproof of product, pressure, bending strength can be removed.This
The apparatus structure of invention is simple, easy to use, and production efficiency is high.
Description of the drawings
Fig. 1 is the structural representation of the preparation facilitiess of Chinese medicine intermediate filtering material of the present invention.
Fig. 2 is silicon boron oxygen nitrogen/ferrum nickel prepared by the present invention（Silicon boron oxygen nitrogen/Fe0.75Ni0.25）Porous metalloceramic scanning electricity
Mirror shape appearance figure.From the figure, it can be seen that uniformly piled up by silicon boron oxygen nitrogen/ferrum nickel particle forming pore structure, pore-size distribution is narrower, hole
Footpath<500 nm.
Specific embodiment
A kind of preparation method of medicine intermediate filtering material, it is characterised in that comprise the steps：
A, by ferric nitrate, nickel sulfate, EDTANa2（Disodiumedetate）, hydrazine hydrate 6-7 in molar ratio: 1-2.5:10-
12:7-8 uniformly mixes, and deionized water dissolving is prepared into the solution of mass fraction 10-25%, and is adjusted to PH=with nitric acid
4-6, is prepared into metal complex saline solution stand-by；
B, by Ludox, boric acid, dimethylamine 2-4 in molar ratio: 1-2:1-3 mixes, and deionized water is diluted to mass fraction
30-60%, and in 70-90o(frequency 20-40KHz) ultrasonic vibration 2-5h under C, while being adjusted to PH=3- with ammonium acetate or acetic acid
7, it is prepared into silicon boron colloidal sol precursor stand-by；
C, metal complex saline solution prepared by step a, b and silicon boron colloidal sol precursor 1-8 by volume:1（It is preferred that 2.8-
3.5:1）Insert the plasma torch of plasma gun ejection（Plasma arc）It is interior；The metal complex saline solution and silicon boron stated is molten
Glue precursor inserts the plasma torch of plasma gun ejection（Plasma arc）When interior, metal complex saline solution is coated on silicon
Boron colloidal sol precursor surrounding.
Metal complex saline solution and silicon boron colloidal sol precursor are sprayed on oxygen by the plasma torch that d, plasma gun spray
Changing the supporting body surface such as aluminum ceramic honey comb or stainless steel plate carries out in-situ reducing reaction, is prepared into medicine intermediate filter material
Material.
Heretofore described plasma gun power parameter is：Voltage：65-80V, electric current：600-750A, from argon
There is source of the gas for plasma arc, hydrogen is protective gas；Argon, hydrogen flowing quantity are respectively：45-50L/min and 10-25L/min.
A kind of preparation facilitiess of medicine intermediate filtering material, are provided with plasma gun 1, plasma gun power parameter
For：Voltage：65-80V, electric current：600-750A, is that plasma arc occurs source of the gas from argon, and hydrogen is protective gas；Argon,
Hydrogen flowing quantity is respectively：45-50L/min and 10-25L/min.The spout front side top of plasma gun 1 is provided with feeding sleeve pipe,
As can be seen from Figure 1 plasma spray gun body is provided with support, and feeding sleeve pipe is fixedly mounted on support；Feeding sleeve pipe is concentric
Double-jacket tube, the discharging opening of feeding sleeve pipe is located above the plasma torch that plasma gun sprays.The outer tube 7 of feeding sleeve pipe with
The discharging opening of the delivery hose 5 of the first peristaltic pump 4 is connected, and the inner tube 6 of feeding sleeve pipe is gone out with the delivery hose of the second peristaltic pump 8
Material mouth is connected.
The material that feeding sleeve pipe discharging opening flows out is fallen in the plasma torch of plasma gun ejection, the metal in material
Metal salt solution in saline solution is reduced into iron-nickel alloy and melts.While silicon boron colloidal sol precursor process of outer layer sleeve etc.
Gas ions Pintsch process forms silicon boron oxygen nitrogen ceramic droplet, and is sprayed on the supports such as cellular alumina ceramics or stainless steel plate
Body surface face forms silicon boron oxygen nitrogen/ferrum nickel filter layer.Metal complex saline solution in the material flowed out due to feeding sleeve pipe discharging opening
It is coated on the outside of silicon boron colloidal sol precursor, makes metal reduction, melting more thoroughly, advantageously form continuous iron-nickel alloy network, carry
The intensity and toughness of high metal ceramic filtering body.
The present invention is further improved, and the supporter for fixed support body is provided with front of the spout of described plasma gun
Fixed mount.The supporters such as cellular alumina ceramics or stainless steel plate can be fixed in front of spout, be carried out the spraying of material
Reaction.
Embodiment 1
A. by ferric nitrate, nickel sulfate, EDTANa2（Disodiumedetate）, hydrazine hydrate in molar ratio 6: 1: 10:7 is equal
Even mixing, and deionized water dissolving is prepared into the solution of mass fraction 10-25%, and PH=4 is adjusted with nitric acid, prepare slaine
Complex solution is stand-by.
B. by Ludox, boric acid, dimethylamine in molar ratio 2: 1:1 mixing, deionized water are diluted to mass fraction
30%, and 70oUltrasonic vibration 2h under C, while adjusting PH=3 with ammonium acetate and acetic acid, is prepared into silicon boron colloidal sol precursor stand-by.
C, metal salt solution prepared by step a, b, silicon boron colloidal sol are respectively implanted the medicine intermediate filter material of the present invention
In the magazine 4 of the first peristaltic pump of the preparation facilitiess of material and in the magazine 9 of the second peristaltic pump, peristaltic pump delivery hose
Pan feeding port connect with the bottom of magazine；The rate of discharge for adjusting the first peristaltic pump and the second peristaltic pump is respectively
0.6L/min and 0.2L；Adjustment plasma gun power parameter（Voltage：65V；Electric current：600A）, it is plasma arc from argon
Generation source of the gas, hydrogen are protective gas.Argon, hydrogen flowing quantity are respectively：45L/min and 10L/min.
D, the just supporter such as cellular alumina ceramics or stainless steel plate are placed in the plasma torch of ion spray gun ejection
Front side, metal complex saline solution and silicon boron colloidal sol precursor are sprayed on cellular alumina ceramics or stainless steel plate etc. and support
Body surface face carries out reaction in-situ, is prepared into silicon boron oxygen nitrogen/ferrum nickel porous metalloceramic (i.e.：Medicine intermediate filtering material).
The thickness of the medicine intermediate filtering material prepared in the present embodiment is 400-500 um, measures its pore size filter
It is distributed as 5-10nm.
Embodiment 2
A. by ferric nitrate, nickel sulfate, EDTANa2, hydrazine hydrate in molar ratio 7: 1.5: 10:7 uniform mixing, and use deionization
Water dissolution is prepared into the solution of mass fraction 10%, and adjusts PH=4-6 with nitric acid, prepares metal complex saline solution stand-by.
B. by Ludox, boric acid, dimethylamine in molar ratio 3: 1.5:2 mixing, deionized water are diluted to mass fraction
40%, and 80oUltrasonic vibration 3h under C, while adjusting PH=5 with ammonium acetate and acetic acid, is prepared into silicon boron colloidal sol precursor stand-by.
C, metal salt solution prepared by step a, b, silicon boron colloidal sol are respectively implanted the medicine intermediate filter material of the present invention
In the magazine 4 of the first peristaltic pump of the preparation facilitiess of material and in the magazine 9 of the second peristaltic pump, peristaltic pump delivery hose
Pan feeding port be located at the bottom of magazine；The rate of discharge for adjusting the first peristaltic pump and the second peristaltic pump is respectively 1L/min
And 0.3L；Adjustment plasma gun power parameter（Voltage：75V；Electric current：650A）, it is that plasma arc occurs gas from argon
Source, hydrogen are protective gas.Argon, hydrogen flowing quantity are respectively：50L/min and 25L/min.
D, the just supporter such as cellular alumina ceramics or stainless steel plate are placed in the plasma torch of ion spray gun ejection
Front side, metal complex saline solution and silicon boron colloidal sol precursor are sprayed on cellular alumina ceramics or stainless steel plate etc. and support
Body surface face carries out reaction in-situ, is prepared into silicon boron oxygen nitrogen/ferrum nickel porous metalloceramic (i.e.：Medicine intermediate filtering material).
The thickness of the medicine intermediate filtering material prepared in the present embodiment is 300-400um, measures its pore size filter
It is distributed as 10-100nm.
Embodiment 3
A. by ferric nitrate, nickel sulfate, EDTANa2, hydrazine hydrate in molar ratio 7: 2.5: 12:8) it is uniform to mix, and use deionization
Water dissolution is prepared into the solution of mass fraction 25%, and adjusts PH=6 with nitric acid, prepares metal complex saline solution stand-by.
B. by Ludox, boric acid, dimethylamine in molar ratio 4: 2:3 mixing, deionized water are diluted to mass fraction
60%, and 90oUltrasonic vibration 5h under C, while adjusting PH=7 with ammonium acetate and acetic acid, is prepared into silicon boron colloidal sol precursor stand-by.
C, metal salt solution prepared by step a, b, silicon boron colloidal sol are respectively implanted the medicine intermediate filter material of the present invention
In the magazine 4 of the first peristaltic pump of the preparation facilitiess of material and in the magazine 9 of the second peristaltic pump, peristaltic pump delivery hose
Pan feeding port be located at the bottom of magazine；The rate of discharge for adjusting the first peristaltic pump and the second peristaltic pump is respectively 1.5L/
Min and 0.5L；Adjustment plasma gun power parameter（Voltage：80V；Electric current：750A）, it is that plasma arc occurs gas from argon
Source, hydrogen are protective gas.Argon, hydrogen flowing quantity are respectively：50L/min and 25L/min.
D, the just supporter such as cellular alumina ceramics or stainless steel plate are placed in the plasma torch of ion spray gun ejection
Front side, metal complex saline solution and silicon boron colloidal sol precursor are sprayed on cellular alumina ceramics or stainless steel plate etc. and support
Body surface face carries out reaction in-situ, is prepared into silicon boron oxygen nitrogen/ferrum nickel porous metalloceramic (i.e.：Medicine intermediate filtering material).
The thickness of the medicine intermediate filtering material prepared in the present embodiment is 100-300um, measures its pore size filter
It is distributed as 100-250nm.
The pore size filter of medicine intermediate filtering material prepared by the present invention is in inverse ratio with its thickness, can be prepared as needed
The filtering material of the different pore size filters gone out in the range of 10 nm-1um；Can provide different for medicine intermediate synthesis industry
Filtering accuracy is selected.
Method of the present invention process is simple, production efficiency are high, thickness according to product, can control the model of pore size filter
Enclose, nano-bacteria and impurity, synthesis of high purity medicine, the excellent performance such as the heatproof of product, pressure, bending strength can be removed.This
The apparatus structure of invention is simple, easy to use, and production efficiency is high.
Claims (8)
1. a kind of preparation method of medicine intermediate filtering material, it is characterised in that comprise the steps：
A, by ferric nitrate, nickel sulfate, EDTANa2, hydrazine hydrate 6-7 in molar ratio: 1-2.5:10-12:7-8 uniformly mixes, and
Deionized water dissolving is prepared into the solution of mass fraction 10-25%, and is adjusted to PH=4-6 with nitric acid, is prepared into metal complex
Thing saline solution is stand-by；
B, by Ludox, boric acid, dimethylamine 2-4 in molar ratio: 1-2:1-3 mixes, and deionized water is diluted to mass fraction
30-60%, and the ultrasonic vibration 2-5h under 70-90oC, while being adjusted to PH=3-7 with ammonium acetate or acetic acid, are prepared into silicon boron molten
Glue precursor is stand-by；
C, metal complex saline solution prepared by step a, b and silicon boron colloidal sol precursor 1-8 by volume:1 inserts plasma
In the plasma torch that spray gun sprays；
Metal complex saline solution and silicon boron colloidal sol precursor are sprayed on aluminium oxide by the plasma torch that d, plasma gun spray
The supporting body surface such as ceramic honey comb or stainless steel plate carries out reaction in-situ, is prepared into medicine intermediate filtering material.
2. the preparation method of medicine intermediate filtering material according to claim 1, it is characterised in that in c steps, will step
Metal complex saline solution prepared by rapid a, b and silicon boron colloidal sol precursor 2.8-3.5 by volume:1 inserts plasma gun spray
In the plasma torch for going out.
3. the preparation method of medicine intermediate filtering material according to claim 1 and 2, it is characterised in that described grade from
Sub- spray gun power parameter is：Voltage：65-80V, electric current：600-750A, is that plasma arc occurs source of the gas from argon, and hydrogen is
Protective gas；Argon, hydrogen flowing quantity are respectively：45-50L/min and 10-25L/min.
4. the preparation method of medicine intermediate filtering material according to claim 3, it is characterised in that described metal network
When compound saline solution and silicon boron colloidal sol precursor are inserted in the plasma torch of plasma gun ejection, metal complex saline solution
It is coated on silicon boron colloidal sol precursor surrounding.
5. a kind of preparation facilitiess of medicine intermediate filtering material, are provided with plasma gun, it is characterised in that plasma gun
Spout front side top is provided with feeding sleeve pipe, and feeding sleeve pipe is double-jacket tube, the outer tube of feeding sleeve pipe and the first peristaltic pump delivery hose
Discharging opening be connected, the inner tube of feeding sleeve pipe is connected with the discharging opening of the second peristaltic pump delivery hose.
6. preparation facilitiess of medicine intermediate filtering material according to claim 5, it is characterised in that described plasma
Spray gun power parameter is：Voltage：65-80V, electric current：600-750A, is that plasma arc occurs source of the gas from argon, and hydrogen is guarantor
Shield gas；Argon, hydrogen flowing quantity are respectively：45-50L/min and 10-25L/min.
7. preparation facilitiess of the medicine intermediate filtering material according to claim 5 or 6, it is characterised in that described grade from
Sub- gun body is provided with support, and feeding sleeve pipe is fixedly mounted on support.
8. preparation facilitiess of medicine intermediate filtering material according to claim 7, it is characterised in that described feeding set
Manage as concentric double-jacket tube, the discharging opening of feeding sleeve pipe is located above the plasma torch that plasma gun sprays.
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