CN110204329A - A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof - Google Patents

A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof Download PDF

Info

Publication number
CN110204329A
CN110204329A CN201910553619.8A CN201910553619A CN110204329A CN 110204329 A CN110204329 A CN 110204329A CN 201910553619 A CN201910553619 A CN 201910553619A CN 110204329 A CN110204329 A CN 110204329A
Authority
CN
China
Prior art keywords
parts
oxide
low temperature
pressure
pressure cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910553619.8A
Other languages
Chinese (zh)
Inventor
董满勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Yingtaili Technology Co Ltd
Original Assignee
Anhui Yingtaili Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Yingtaili Technology Co Ltd filed Critical Anhui Yingtaili Technology Co Ltd
Priority to CN201910553619.8A priority Critical patent/CN110204329A/en
Publication of CN110204329A publication Critical patent/CN110204329A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/453—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 zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
    • 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
    • C04B35/62218—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic films, e.g. by using temporary supports
    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/006—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistor chips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides
    • H01C17/06546—Oxides of zinc or cadmium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/105—Varistor cores
    • H01C7/108—Metal oxide
    • H01C7/112—ZnO type
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium 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
    • C04B2235/30—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
    • 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
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • C04B2235/3234—Titanates, not containing zirconia
    • C04B2235/3236—Alkaline earth titanates
    • 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
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
    • C04B2235/3277—Co3O4
    • 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
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3279—Nickel oxides, nickalates, 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
    • C04B2235/30—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
    • C04B2235/3294—Antimony oxides, antimonates, antimonites or oxide forming salts thereof, indium antimonate
    • 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
    • C04B2235/3298—Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
    • 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
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6565—Cooling rate
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time

Abstract

The present invention provides a kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof, is related to pressure transmitter processing technique field.The pressure cell is made of raw material from the following weight: 90-110 parts of zinc oxide, 16-18 parts of strontium titanates, 4-6 parts of GaAs, 8-10 parts of calcium titanate, 2-3 parts of antimony oxide, 0.8-1.6 parts of magnesia, 4-6 parts of cobaltosic oxide, 2-3 parts of bismuth oxide, 6-8 parts of ytterbium oxide, 4-5 parts of GaAs, 1-2 parts of nickel oxide, 2-3 parts of polyurethane resin, 4-6 parts of polyacrylate, 1-2 parts of dispersing agent.It the present invention overcomes the deficiencies in the prior art, improves on the basis of not influencing pressure cell electric property, is mixed by plurality of raw materials, twice press mold, effectively promote the low-temperature stability of product, promote the stability of low temperature detection, be suitable for promoting the use of.

Description

A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof
Technical field
The present invention relates to pressure transmitter processing technique fields, and in particular to a kind of pressure-sensitive member of low temperature resistant pressure transmitter Part and preparation method thereof.
Background technique
Pressure transmitter is a kind of equipment for converting pressure into pneumatic signal or electromotive signal carries out control and teletransmission, it The physical pressures parameters such as gas, liquid that load cell is experienced can be transformed into the electric signal of standard, referred to supply Show that the secondary meters such as alarm, recorder, adjuster are measured, indicated and procedure regulation；Pressure transmitter is industrial practice In a kind of the most commonly used sensor, be widely used in various industrial automatic control environment, be related to water conservancy and hydropower, railway traffic, intelligence It can build, produce numerous industries such as automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, pipeline.
Component inside pressure transmitter for induction pressure is mainly varistor component, but due to the shadow of material It rings, the unbalance use accuracy for easily influencing transmitter of material capability is easy in temperature change, especially under low temperature environment, so The lower temperature resistance of pressure cell is promoted as the big research direction in pressure transmitter industry at this stage.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of low temperature resistant pressure transmitter pressure cell and its preparation side Method is improved on the basis of not influencing pressure cell electric property, is mixed by plurality of raw materials, twice press mold, is effectively promoted The low-temperature stability of product promotes the stability of low temperature detection, is suitable for promoting the use of.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of low temperature resistant pressure transmitter pressure cell, the pressure cell are made of raw material from the following weight: oxygen Change zinc 90-110 parts, 16-18 parts of strontium titanates, 4-6 parts of GaAs, 8-10 parts of calcium titanate, 2-3 parts of antimony oxide, magnesia 0.8-1.6 Part, 4-6 parts of cobaltosic oxide, 2-3 parts of bismuth oxide, 6-8 parts of ytterbium oxide, 4-5 parts of GaAs, 1-2 parts of nickel oxide, polyurethane resin 2-3 parts, 4-6 parts of polyacrylate, 1-2 parts of dispersing agent.
Preferably, the dispersing agent is at least one of sodium tripolyphosphate, calgon, aluminium triphosphate.
The preparation method of the pressure cell the following steps are included:
It (1) will be after zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, GaAs mixing high-temperature calcination for a period of time The ball mill grinding in ball mill, it is spare to obtain mixture；
(2) magnesia, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide are mixed in the lower progress high temperature burning of argon gas protection Knot, the rear polyurethane resin that is added grind mixing deionized water progress ultrasonic vibration homogeneous, it is spare to obtain mixed slurry A；
(3) polyacrylate, dispersing agent and deionized water is added in above-mentioned mixture, under 80-90 DEG C of heat-retaining condition It is spare to obtain mixed slurry B for 1200-1400r/min high-speed stirred；
(4) above-mentioned mixed slurry A is carried out being pressed into film in carrying out low temperature freeze-drying after freeze-dried powder is carried out ball mill grinding, It is spare to obtain diaphragm；
(5) above-mentioned mixed slurry B is concentrated in vacuo, after by concentrate be coated on above-mentioned diaphragm on, rear freeze-day with constant temperature, It is spare to obtain crude film；
(6) above-mentioned crude film is sintered under high temperature and pressure, rear take out carries out secondary press mold while hot, rear slowly drop Temperature, then spray aluminium electrode is carried out, obtain low temperature resistant pressure transmitter pressure cell of the invention.
Preferably, the temperature of step (1) the high temperature calcining is 1200-1400 DEG C, and calcination time is 45-60min.
Preferably, the temperature of step (2) the high temperature sintering is 800-900 DEG C, and the power of ultrasonic vibration homogeneous is 220-250W, frequency 20-25KHz, time 10-15min.
Preferably, the pressure of press mold is 130-150MPa in the step (4), and the press mold time is 6-8min.
Preferably, the 1/3-1/5 of original volume is concentrated in vacuo in the step (5), the temperature of freeze-day with constant temperature is 100- 110℃。
Preferably, the temperature of step (6) the high temperature high-pressure sinter is 600-700 DEG C, pressure 22-25MPa, sintering Time is 2-3h, and the pressure of secondary press mold is 100-120MPa, and the speed of slow cooling is 5-8 DEG C/min.
The present invention provides a kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof, excellent compared with prior art Point is:
(1) production is effectively ensured using zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, GaAs mixing in the present invention The electrical effects and mixed oxidization magnesium, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide of product can be increased to be promoted on Chengdu and be produced The low-temperature stability of product.
(2) present invention will mix homogeneous and freeze after magnesia, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide mixed sintering Press mold after dry, can effectively promote the cold tolerance of product, while to zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, arsenic Stirring is coated on secondary press mold after press mold surface high-temp high-pressure sinter after changing gallium material mixed sintering, effectively promotes product and stablizes Property, reinforce resistance to low temperature.
(3) multiple high temp of the present invention handles material, and after secondary press mold by the way of slow cooling, is effectively promoted Yield rate enhances the toughness of product.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of low temperature resistant pressure transmitter pressure cell, the pressure cell are made of raw material from the following weight: oxygen Change 90 parts of zinc, 16 parts of strontium titanates, 4 parts of GaAs, 8 parts of calcium titanate, 2 parts of antimony oxide, 0.8 part of magnesia, 4 parts of cobaltosic oxide, 2 parts of bismuth oxide, 6 parts of ytterbium oxide, 4 parts of GaAs, 1 part of nickel oxide, 2 parts of polyurethane resin, 4 parts of polyacrylate, dispersing agent 1 Part.
The dispersing agent is sodium tripolyphosphate, calgon mixture.
The preparation method of the pressure cell the following steps are included:
It (1) will be after zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, GaAs mixing high-temperature calcination for a period of time The ball mill grinding in ball mill, it is spare to obtain mixture；
(2) magnesia, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide are mixed in the lower progress high temperature burning of argon gas protection Knot, the rear polyurethane resin that is added grind mixing deionized water progress ultrasonic vibration homogeneous, it is spare to obtain mixed slurry A；
(3) polyacrylate, dispersing agent and deionized water is added in above-mentioned mixture, under 80-90 DEG C of heat-retaining condition It is spare to obtain mixed slurry B for 1200-1400r/min high-speed stirred；
(4) above-mentioned mixed slurry A is carried out being pressed into film in carrying out low temperature freeze-drying after freeze-dried powder is carried out ball mill grinding, It is spare to obtain diaphragm；
(5) above-mentioned mixed slurry B is concentrated in vacuo, after by concentrate be coated on above-mentioned diaphragm on, rear freeze-day with constant temperature, It is spare to obtain crude film；
(6) above-mentioned crude film is sintered under high temperature and pressure, rear take out carries out secondary press mold while hot, rear slowly drop Temperature, then spray aluminium electrode is carried out, obtain low temperature resistant pressure transmitter pressure cell of the invention.
Wherein, the temperature of step (1) the high temperature calcining is 1200-1400 DEG C, and calcination time is 45-60min；Institute The temperature for stating the sintering of step (2) high temperature is 800-900 DEG C, and the power of ultrasonic vibration homogeneous is 220-250W, frequency 20- 25KHz, time 10-15min；The pressure of press mold is 130-150MPa in the step (4), and the press mold time is 6-8min；Institute The 1/3-1/5 that original volume is concentrated in vacuo in step (5) is stated, the temperature of freeze-day with constant temperature is 100-110 DEG C；The step (6) The temperature of high temperature high-pressure sinter is 600-700 DEG C, pressure 22-25MPa, sintering time 2-3h, the pressure of secondary press mold For 100-120MPa, the speed of slow cooling is 5-8 DEG C/min.
Embodiment 2:
A kind of low temperature resistant pressure transmitter pressure cell, the pressure cell are made of raw material from the following weight: oxygen Change 110 parts of zinc, 18 parts of strontium titanates, 6 parts of GaAs, 10 parts of calcium titanate, 3 parts of antimony oxide, 1.6 parts of magnesia, cobaltosic oxide 6 Part, 3 parts of bismuth oxide, 8 parts of ytterbium oxide, 5 parts of GaAs, 2 parts of nickel oxide, 3 parts of polyurethane resin, 6 parts of polyacrylate, dispersing agent 2 parts.
The dispersing agent is calgon, tripolyphosphate aluminium mixture.
The preparation method of the pressure cell the following steps are included:
It (1) will be after zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, GaAs mixing high-temperature calcination for a period of time The ball mill grinding in ball mill, it is spare to obtain mixture；
(2) magnesia, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide are mixed in the lower progress high temperature burning of argon gas protection Knot, the rear polyurethane resin that is added grind mixing deionized water progress ultrasonic vibration homogeneous, it is spare to obtain mixed slurry A；
(3) polyacrylate, dispersing agent and deionized water is added in above-mentioned mixture, under 80-90 DEG C of heat-retaining condition It is spare to obtain mixed slurry B for 1200-1400r/min high-speed stirred；
(4) above-mentioned mixed slurry A is carried out being pressed into film in carrying out low temperature freeze-drying after freeze-dried powder is carried out ball mill grinding, It is spare to obtain diaphragm；
(5) above-mentioned mixed slurry B is concentrated in vacuo, after by concentrate be coated on above-mentioned diaphragm on, rear freeze-day with constant temperature, It is spare to obtain crude film；
(6) above-mentioned crude film is sintered under high temperature and pressure, rear take out carries out secondary press mold while hot, rear slowly drop Temperature, then spray aluminium electrode is carried out, obtain low temperature resistant pressure transmitter pressure cell of the invention.
Wherein, the temperature of step (1) the high temperature calcining is 1200-1400 DEG C, and calcination time is 45-60min；Institute The temperature for stating the sintering of step (2) high temperature is 800-900 DEG C, and the power of ultrasonic vibration homogeneous is 220-250W, frequency 20- 25KHz, time 10-15min；The pressure of press mold is 130-150MPa in the step (4), and the press mold time is 6-8min；Institute The 1/3-1/5 that original volume is concentrated in vacuo in step (5) is stated, the temperature of freeze-day with constant temperature is 100-110 DEG C；The step (6) The temperature of high temperature high-pressure sinter is 600-700 DEG C, pressure 22-25MPa, sintering time 2-3h, the pressure of secondary press mold For 100-120MPa, the speed of slow cooling is 5-8 DEG C/min.
Embodiment 3:
A kind of low temperature resistant pressure transmitter pressure cell, the pressure cell are made of raw material from the following weight: oxygen Change 100 parts of zinc, 17 parts of strontium titanates, 5 parts of GaAs, 9 parts of calcium titanate, 2.5 parts of antimony oxide, 1.2 parts of magnesia, cobaltosic oxide 5 Part, 2.5 parts of bismuth oxide, 7 parts of ytterbium oxide, 4.5 parts of GaAs, 1.5 parts of nickel oxide, 2.5 parts of polyurethane resin, polyacrylate 5 Part, 1.5 parts of dispersing agent.
The dispersing agent is sodium tripolyphosphate.
The preparation method of the pressure cell the following steps are included:
It (1) will be after zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, GaAs mixing high-temperature calcination for a period of time The ball mill grinding in ball mill, it is spare to obtain mixture；
(2) magnesia, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide are mixed in the lower progress high temperature burning of argon gas protection Knot, the rear polyurethane resin that is added grind mixing deionized water progress ultrasonic vibration homogeneous, it is spare to obtain mixed slurry A；
(3) polyacrylate, dispersing agent and deionized water is added in above-mentioned mixture, under 80-90 DEG C of heat-retaining condition It is spare to obtain mixed slurry B for 1200-1400r/min high-speed stirred；
(4) above-mentioned mixed slurry A is carried out being pressed into film in carrying out low temperature freeze-drying after freeze-dried powder is carried out ball mill grinding, It is spare to obtain diaphragm；
(5) above-mentioned mixed slurry B is concentrated in vacuo, after by concentrate be coated on above-mentioned diaphragm on, rear freeze-day with constant temperature, It is spare to obtain crude film；
(6) above-mentioned crude film is sintered under high temperature and pressure, rear take out carries out secondary press mold while hot, rear slowly drop Temperature, then spray aluminium electrode is carried out, obtain low temperature resistant pressure transmitter pressure cell of the invention.
Wherein, the temperature of step (1) the high temperature calcining is 1200-1400 DEG C, and calcination time is 45-60min；Institute The temperature for stating the sintering of step (2) high temperature is 800-900 DEG C, and the power of ultrasonic vibration homogeneous is 220-250W, frequency 20- 25KHz, time 10-15min；The pressure of press mold is 130-150MPa in the step (4), and the press mold time is 6-8min；Institute The 1/3-1/5 that original volume is concentrated in vacuo in step (5) is stated, the temperature of freeze-day with constant temperature is 100-110 DEG C；The step (6) The temperature of high temperature high-pressure sinter is 600-700 DEG C, pressure 22-25MPa, sintering time 2-3h, the pressure of secondary press mold For 100-120MPa, the speed of slow cooling is 5-8 DEG C/min.
Embodiment 4:
Pressure cell obtained by above-described embodiment 1-3, testing result such as following table institute are detected under room temperature and low temperature environment respectively Show:
Products obtained therefrom of the present invention has excellent stability at low ambient temperatures as seen from the above table, is suitable for promoting the use of.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (8)

1. a kind of low temperature resistant pressure transmitter pressure cell, which is characterized in that the pressure cell by following parts by weight original Material is made: 90-110 parts of zinc oxide, 16-18 parts of strontium titanates, 4-6 parts of GaAs, 8-10 parts of calcium titanate, 2-3 parts of antimony oxide, oxidation 0.8-1.6 parts of magnesium, 4-6 parts of cobaltosic oxide, 2-3 parts of bismuth oxide, 6-8 parts of ytterbium oxide, 4-5 parts of GaAs, 1-2 parts of nickel oxide, 2-3 parts of polyurethane resin, 4-6 parts of polyacrylate, 1-2 parts of dispersing agent.
2. a kind of low temperature resistant pressure transmitter pressure cell according to claim 1, it is characterised in that: the dispersing agent For at least one of sodium tripolyphosphate, calgon, aluminium triphosphate.
3. a kind of preparation method of low temperature resistant pressure transmitter pressure cell, it is characterised in that: the preparation of the pressure cell Method the following steps are included:
(1) by after zinc oxide, strontium titanates, GaAs, calcium titanate, antimony oxide, GaAs mixing high-temperature calcination for a period of time in ball Ball mill grinding in grinding machine, it is spare to obtain mixture；
(2) magnesia, cobaltosic oxide, ytterbium oxide, nickel oxide, bismuth oxide are mixed in the lower progress high temperature sintering of argon gas protection, Polyurethane resin is added afterwards and grinds mixing deionized water progress ultrasonic vibration homogeneous, it is spare to obtain mixed slurry A；
(3) polyacrylate, dispersing agent and deionized water, the 1200- under 80-90 DEG C of heat-retaining condition is added in above-mentioned mixture It is spare to obtain mixed slurry B for 1400r/min high-speed stirred；
(4) above-mentioned mixed slurry A is carried out being pressed into film, obtains film in carrying out low temperature freeze-drying after freeze-dried powder is carried out ball mill grinding Piece is spare；
(5) above-mentioned mixed slurry B is concentrated in vacuo, after by concentrate be coated on above-mentioned diaphragm on, rear freeze-day with constant temperature obtains slightly It is film-made spare；
(6) above-mentioned crude film being sintered under high temperature and pressure, rear take out carries out secondary press mold while hot, rear slow cooling, then Spray aluminium electrode is carried out, low temperature resistant pressure transmitter pressure cell of the invention is obtained.
4. a kind of preparation method of low temperature resistant pressure transmitter pressure cell according to claim 3, it is characterised in that: The temperature of step (1) the high temperature calcining is 1200-1400 DEG C, and calcination time is 45-60min.
5. a kind of preparation method of low temperature resistant pressure transmitter pressure cell according to claim 3, it is characterised in that: The temperature of step (2) the high temperature sintering is 800-900 DEG C, and the power of ultrasonic vibration homogeneous is 220-250W, frequency 20- 25KHz, time 10-15min.
6. a kind of preparation method of low temperature resistant pressure transmitter pressure cell according to claim 3, it is characterised in that: The pressure of press mold is 130-150MPa in the step (4), and the press mold time is 6-8min.
7. a kind of preparation method of low temperature resistant pressure transmitter pressure cell according to claim 3, it is characterised in that: The 1/3-1/5 of original volume is concentrated in vacuo in the step (5), the temperature of freeze-day with constant temperature is 100-110 DEG C.
8. a kind of preparation method of low temperature resistant pressure transmitter pressure cell according to claim 3, it is characterised in that: The temperature of step (6) the high temperature high-pressure sinter is 600-700 DEG C, pressure 22-25MPa, sintering time 2-3h, secondary The pressure of press mold is 100-120MPa, and the speed of slow cooling is 5-8 DEG C/min.
CN201910553619.8A 2019-06-25 2019-06-25 A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof Withdrawn CN110204329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910553619.8A CN110204329A (en) 2019-06-25 2019-06-25 A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910553619.8A CN110204329A (en) 2019-06-25 2019-06-25 A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof

Publications (1)

Publication Number Publication Date
CN110204329A true CN110204329A (en) 2019-09-06

Family

ID=67794411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910553619.8A Withdrawn CN110204329A (en) 2019-06-25 2019-06-25 A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110204329A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120153237A1 (en) * 2009-08-27 2012-06-21 Amotech Co., Ltd ZnO-Based Varistor Composition
CN102617126A (en) * 2012-03-31 2012-08-01 中国科学院上海硅酸盐研究所 Low-temperature sintered zinc oxide voltage dependent resistance material and preparation method thereof
CN103319170A (en) * 2013-06-14 2013-09-25 广东风华高新科技股份有限公司 Annular piezoresistor ceramic and preparation method thereof, and annular piezoresistor and preparation method thereof
CN107631820A (en) * 2017-09-25 2018-01-26 南京航伽电子科技有限公司 A kind of pressure transmitter being suitable under low temperature environment
CN108675783A (en) * 2018-05-24 2018-10-19 江苏时瑞电子科技有限公司 A kind of material and preparation method thereof for zinc oxide varistor
CN109851351A (en) * 2018-12-19 2019-06-07 安徽自动化仪表有限公司 A kind of low-temperature stability pressure transmitter pressure cell and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120153237A1 (en) * 2009-08-27 2012-06-21 Amotech Co., Ltd ZnO-Based Varistor Composition
JP2013503474A (en) * 2009-08-27 2013-01-31 アモテック・カンパニー・リミテッド ZnO-based varistor composition
CN102617126A (en) * 2012-03-31 2012-08-01 中国科学院上海硅酸盐研究所 Low-temperature sintered zinc oxide voltage dependent resistance material and preparation method thereof
CN103319170A (en) * 2013-06-14 2013-09-25 广东风华高新科技股份有限公司 Annular piezoresistor ceramic and preparation method thereof, and annular piezoresistor and preparation method thereof
CN107631820A (en) * 2017-09-25 2018-01-26 南京航伽电子科技有限公司 A kind of pressure transmitter being suitable under low temperature environment
CN108675783A (en) * 2018-05-24 2018-10-19 江苏时瑞电子科技有限公司 A kind of material and preparation method thereof for zinc oxide varistor
CN109851351A (en) * 2018-12-19 2019-06-07 安徽自动化仪表有限公司 A kind of low-temperature stability pressure transmitter pressure cell and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MASAYUKI TAKADA ET.AL: "Effect of Heat Treatment on Tolerance Characteristic for Electrical Degradation of ZnO Varistors with Added Sb2O3", 《ELECTRICAL ENGINEERING IN JAPAN》 *
祝志祥 等: "MgO掺杂对ZnO压敏电阻材料组织及性能的影响", 《电瓷避雷器》 *

Similar Documents

Publication Publication Date Title
CN110204309A (en) One kind composite diphase material of cordierite-mullite containing zirconium and preparation method thereof
CN112939494A (en) High-magnesium cement and preparation method thereof
CN104045349A (en) Nanoalumina-reinforced aluminum oxynitride ceramic and preparation method thereof
CN104211402A (en) Preparation method of Ti2SnC ceramic powder material
CN113173787B (en) Gadolinium zirconate/gadolinium tantalate composite ceramic and preparation method thereof
CN110204329A (en) A kind of low temperature resistant pressure transmitter pressure cell and preparation method thereof
CN103183382B (en) Method for preparing acicular bismuth oxide with bismuth metal
CN104446454A (en) Research on high-performance ceramic cylinder sleeve preparation process
CN110407561B (en) Preparation method of liquid-phase sintered calcium manganate-based oxide thermoelectric material
CN104310984A (en) Thermal sensitive ceramic material and preparation method thereof
CN107353012A (en) A kind of composite thermoelectric material and preparation method thereof
CN106745021B (en) A kind of Fe2AlB2The synthetic method of material
CN104326748B (en) A kind of method of SHS process titanium sulphur toner body material
CN106904968B (en) Niobium-based composite microwave dielectric ceramic material and preparation method thereof
CN102392149B (en) Method for microwave sintering preparation of nano-metric rare earth modified steel-bonded hard alloy
CN107935597B (en) Low-temperature sintering method of energy-saving silicon carbide ceramic material
CN103232226A (en) Preparation method for alumina ceramic with low thermal conductivity and high compressive strength
CN109851351A (en) A kind of low-temperature stability pressure transmitter pressure cell and preparation method thereof
CN108706631B (en) Preparation method of rectangular flaky monoclinic zirconia
CN108892140A (en) A kind of method that vacuum method prepares carbon titanium carbonitride powder
CN113307627B (en) Nb-shaped alloy2Preparation method of SB ceramic block
CN103979559A (en) Acidified bentonite
CN105271339B (en) A kind of ρ aoxidizes the preparation method of Al binding agent
CN103951389A (en) Preparation method of cobalt-based oxide thermoelectric material
CN1178856C (en) Preparation method of large nano crystal tungsten carbide material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190906