CN109485443A - A kind of preparation method of the composite material for spool - Google Patents

A kind of preparation method of the composite material for spool Download PDF

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Publication number
CN109485443A
CN109485443A CN201811588600.9A CN201811588600A CN109485443A CN 109485443 A CN109485443 A CN 109485443A CN 201811588600 A CN201811588600 A CN 201811588600A CN 109485443 A CN109485443 A CN 109485443A
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China
Prior art keywords
spool
composite material
preparation
solid
solution
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CN201811588600.9A
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Chinese (zh)
Inventor
吴辉
王清龙
汪云
唐宗清
孟金华
王文汇
徐俊东
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YINLONG PUMP AND VALVE CO LDT ANHUI PROV
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YINLONG PUMP AND VALVE CO LDT ANHUI PROV
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Priority to CN201811588600.9A priority Critical patent/CN109485443A/en
Publication of CN109485443A publication Critical patent/CN109485443A/en
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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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3229—Cerium oxides or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5284—Hollow fibers, e.g. nanotubes
    • C04B2235/5288—Carbon nanotubes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

The invention belongs to technical field of composite materials, in particular to the preparation method of a kind of composite material for spool, comprising the following steps: step 1, by carbon nanotube carboxylated；Step 2, the carbon nanotube of carboxylated is dispersed in water, soluble cerium salt is added and solution A is made in aluminum soluble salt, ultrasonic disperse；Step 3, the dispersing surface-active agent in solution A, is made solution B；Step 4, concentrated ammonia liquor is added dropwise into solution B, adjusts pH to 9-10, is warming up to 11-130 DEG C, is heated to reflux, filter to take solid C；Step 5, by after solid C high-temperature calcination, solid D is made in grind into powder；Step 6, silica powder, solid D powder, tetramethylammonium hydroxide, water are mixed, ball milling, after curing agent is added, continues ball milling, glyceryl triacetate is added and is uniformly dispersed, slurry E is made in vacuum degassing；Step 7, slurry E is injected into mold, after low temperature drying, the composite material for spool is made in high temperature sintering.

Description

A kind of preparation method of the composite material for spool
Technical field
The invention belongs to technical field of composite materials, in particular to the preparation method of a kind of composite material for spool.
Background technique
Spool be valve body realized by its movement direction controlling, pressure control or flow control basic function valve Part；The material of spool generally based on bronze or stainless steel, also there is plastics, ceramics, glass etc.；Being easy for metal material is rotten Erosion, is not applied for various medium systems；The hardness and strength of plastic material are inadequate, are easy aging；It is ceramic or glass material It is easy damaged cracking；Cause in the prior art, spool service life is not grown.
Summary of the invention
The present invention solves the above-mentioned technical problems in the prior art, provides a kind of system of composite material for spool Preparation Method.
To solve the above problems, technical scheme is as follows:
A kind of preparation method of the composite material for spool, comprising the following steps:
Step 1, by carbon nanotube carboxylated；
Step 2, the carbon nanotube of carboxylated is dispersed in water, soluble cerium salt and aluminum soluble salt, ultrasound point is added It dissipates, solution A is made；
Step 3, the dispersing surface-active agent in solution A, is made solution B；
Step 4, concentrated ammonia liquor is added dropwise into solution B, adjusts pH to 9-10, is warming up to 11-130 DEG C, is heated to reflux, filter to take Solid C；
Step 5, by after solid C high-temperature calcination, solid D is made in grind into powder；
Step 6, silica powder, solid D powder, tetramethylammonium hydroxide, water are mixed, ball milling, after curing agent is added, Continue ball milling, glyceryl triacetate is added and is uniformly dispersed, slurry E is made in vacuum degassing；
Step 7, slurry E is injected into mold, after low temperature drying, the composite material for spool is made in high temperature sintering.
Preferably, the specific steps of the step 1 are as follows: 100 mass parts mass fractions, which are added, in 1 parts by weight of carbon nanotubes is In 10% sulfuric acid solution, it is heated to 80-90 DEG C, flows back 3-4 hours, is filtered, washed, the carbon nanotube of carboxylated is made.
Preferably, in the step 2, the carbon nanotube of carboxylated, water, soluble cerium salt, aluminum soluble salt mass ratio For 1:100:2-4:3.
Preferably, in the step 2, soluble cerium salt is cerous sulfate or cerous nitrate；Aluminum soluble salt is aluminum sulfate or chlorine Change aluminium.
Preferably, in the step 3, the mass ratio of solution A and surfactant is 100:3-4.
Preferably, in the step 3, the surfactant is lauryl sodium sulfate or cetyl trimethyl bromination Ammonium.
Preferably, in the step 5, the condition of solid C high-temperature calcination is 200-240 DEG C, 4-6 hours.
Preferably, in the step 6, silica powder, solid D powder, tetramethylammonium hydroxide, water, curing agent, three second The mass ratio of acid glyceride is 10:1-1.5:0.5:3.5:0.05:0.1.
Preferably, in the step 6, curing agent is calcium iodate or barium iodate.
Preferably, in the step 7, the condition of low temperature drying is 60-70 DEG C, 4-6 hours, and the condition of high temperature sintering is 2000-2100 DEG C, 8-10 hours.
Compared with the existing technology, advantages of the present invention is as follows,
Composite material prepared by the present invention for spool is using cerium/aluminium/carbon nanotube inorganic composite materials enhancing pottery Ceramic material, mechanical property is excellent, long service life, and preparation method of the invention is simple, low in cost, is suitable for large-scale production.
Specific embodiment
Embodiment 1:
A kind of preparation method of the composite material for spool, comprising the following steps:
Step 1,1 parts by weight of carbon nanotubes is added in the sulfuric acid solution that 100 mass parts mass fractions are 10%, is heated to It 80-90 DEG C, flows back 3-4 hours, is filtered, washed, the carbon nanotube of carboxylated is made；
Step 2, the carbon nanotube of carboxylated is dispersed in water, soluble cerium salt and aluminum soluble salt, ultrasound point is added It dissipates, solution A is made；The carbon nanotube of carboxylated, water, soluble cerium salt, aluminum soluble salt mass ratio be 1:100:2:3；It can Dissolubility cerium salt is cerous sulfate；Aluminum soluble salt is aluminum sulfate；
Step 3, the dispersing surface-active agent in solution A, is made solution B；The mass ratio of solution A and surfactant is 100:3；The surfactant is lauryl sodium sulfate；
Step 4, concentrated ammonia liquor is added dropwise into solution B, adjusts pH to 9-10, is warming up to 11-130 DEG C, is heated to reflux, filter to take Solid C；
Step 5, by solid C at 200-240 DEG C after high-temperature calcination 4-6 hours, solid D is made in grind into powder；
Step 6, silica powder, solid D powder, tetramethylammonium hydroxide, water are mixed, ball milling, after curing agent is added, Continue ball milling, glyceryl triacetate is added and is uniformly dispersed, slurry E is made in vacuum degassing；Silica powder, solid D powder, four Ammonium hydroxide, water, curing agent, glyceryl triacetate mass ratio be 10:1:0.5:3.5:0.05:0.1；Curing agent is iodine Sour calcium；
Step 7, slurry E is injected into mold, is dried under the conditions of 60-70 DEG C, the time is 4-6 hours, then in 2000- High temperature sintering under the conditions of 2100 DEG C, time are 8-10 hours, and the composite material for spool is made.The Mohs of the composite material is hard Degree reaches 7, and service life is 2 years in highly basic medium, and service life is 1.5 years in strong acid media.
Embodiment 2:
Step 1,1 parts by weight of carbon nanotubes is added in the sulfuric acid solution that 100 mass parts mass fractions are 10%, is heated to It 80-90 DEG C, flows back 3-4 hours, is filtered, washed, the carbon nanotube of carboxylated is made；
Step 2, the carbon nanotube of carboxylated is dispersed in water, soluble cerium salt and aluminum soluble salt, ultrasound point is added It dissipates, solution A is made；The carbon nanotube of carboxylated, water, soluble cerium salt, aluminum soluble salt mass ratio be 1:100:4:3；It can Dissolubility cerium salt is cerous nitrate；Aluminum soluble salt is aluminium chloride；
Step 3, the dispersing surface-active agent in solution A, is made solution B；The mass ratio of solution A and surfactant is 100:4；The surfactant is cetyl trimethylammonium bromide；
Step 4, concentrated ammonia liquor is added dropwise into solution B, adjusts pH to 9-10, is warming up to 11-130 DEG C, is heated to reflux, filter to take Solid C；
Step 5, by solid C at 200-240 DEG C after high-temperature calcination 4-6 hours, solid D is made in grind into powder；
Step 6, silica powder, solid D powder, tetramethylammonium hydroxide, water are mixed, ball milling, after curing agent is added, Continue ball milling, glyceryl triacetate is added and is uniformly dispersed, slurry E is made in vacuum degassing；Silica powder, solid D powder, four Ammonium hydroxide, water, curing agent, glyceryl triacetate mass ratio be 10:1.5:0.5:3.5:0.05:0.1；Curing agent is Barium iodate；
Step 7, slurry E is injected into mold, is dried under the conditions of 60-70 DEG C, the time is 4-6 hours, then in 2000- High temperature sintering under the conditions of 2100 DEG C, time are 8-10 hours, and the composite material for spool is made.The Mohs of the composite material is hard Degree reaches 7, and service life is 2.5 years in highly basic medium, and service life is 2 years in strong acid media.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, there is no for the purpose of limiting the invention Protection scope, the equivalent substitution or substitution made on the basis of the above all belong to the scope of protection of the present invention.

Claims (10)

1. a kind of preparation method of the composite material for spool, which comprises the following steps:
Step 1, by carbon nanotube carboxylated；
Step 2, the carbon nanotube of carboxylated is dispersed in water, soluble cerium salt and aluminum soluble salt, ultrasonic disperse, system is added At solution A；
Step 3, the dispersing surface-active agent in solution A, is made solution B；
Step 4, concentrated ammonia liquor is added dropwise into solution B, adjusts pH to 9-10, is warming up to 11-130 DEG C, is heated to reflux, filter to take solid C；
Step 5, by after solid C high-temperature calcination, solid D is made in grind into powder；
Step 6, silica powder, solid D powder, tetramethylammonium hydroxide, water are mixed, ball milling, after curing agent is added, is continued Ball milling, is added glyceryl triacetate and is uniformly dispersed, and slurry E is made in vacuum degassing；
Step 7, slurry E is injected into mold, after low temperature drying, the composite material for spool is made in high temperature sintering.
2. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that the step 1 it is specific Step are as follows: 1 parts by weight of carbon nanotubes is added in the sulfuric acid solution that 100 mass parts mass fractions are 10%, is heated to
It 80-90 DEG C, flows back 3-4 hours, is filtered, washed, the carbon nanotube of carboxylated is made.
3. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that in the step 2, carboxyl The carbon nanotube of change, water, soluble cerium salt, aluminum soluble salt mass ratio be 1:100:2-4:3.
4. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that solvable in the step 2 Property cerium salt be cerous sulfate or cerous nitrate；Aluminum soluble salt is aluminum sulfate or aluminium chloride.
5. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that in the step 3, solution The mass ratio of A and surfactant is 100:3-4.
6. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that described in the step 3 Surfactant is lauryl sodium sulfate or cetyl trimethylammonium bromide.
7. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that in the step 5, solid The condition of C high-temperature calcination is 200-240 DEG C, 4-6 hours.
8. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that in the step 6, oxidation Silicon powder, solid D powder, tetramethylammonium hydroxide, water, curing agent, glyceryl triacetate mass ratio be 10:1-1.5:0.5: 3.5:0.05:0.1。
9. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that in the step 6, solidification Agent is calcium iodate or barium iodate.
10. the preparation method of the composite material for spool as described in right wants 1, which is characterized in that low in the step 7 The condition of temperature drying is 60-70 DEG C, 4-6 hours, and the condition of high temperature sintering is 2000-2100 DEG C, 8-10 hours.
CN201811588600.9A 2018-12-25 2018-12-25 A kind of preparation method of the composite material for spool Pending CN109485443A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101559360A (en) * 2008-04-18 2009-10-21 北京化工大学 Ceria/multi-walled carbon nano-tube composite material
CN106348736A (en) * 2016-08-24 2017-01-25 华中科技大学 Method for rapidly curing ceramic slurry

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101559360A (en) * 2008-04-18 2009-10-21 北京化工大学 Ceria/multi-walled carbon nano-tube composite material
CN106348736A (en) * 2016-08-24 2017-01-25 华中科技大学 Method for rapidly curing ceramic slurry

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Application publication date: 20190319

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