WO2018192058A1 - Methods for preparing microporous ceramic and microporous ceramic heating bar - Google Patents
Methods for preparing microporous ceramic and microporous ceramic heating bar Download PDFInfo
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- WO2018192058A1 WO2018192058A1 PCT/CN2017/085802 CN2017085802W WO2018192058A1 WO 2018192058 A1 WO2018192058 A1 WO 2018192058A1 CN 2017085802 W CN2017085802 W CN 2017085802W WO 2018192058 A1 WO2018192058 A1 WO 2018192058A1
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- C—CHEMISTRY; METALLURGY
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- 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
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/067—Macromolecular compounds
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
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- 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
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- 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
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
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- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
Definitions
- the invention relates to the field of microporous ceramics, in particular to a preparation method of a microporous ceramic heating rod as a heater for heating and atomizing in an electronic cigarette aerosolizer.
- the traditional electronic cigarette atomizer mainly has three ways of heating and atomizing, one of which adopts electric heating wire wrapped with glass fiber rope for heating atomization; the other uses manual heating of electric heating wire to the surface of microporous ceramic rod;
- the wire is embedded in the inner hole of the microporous ceramic rod, and the inner hole is approximately 2-5 mm and the outer diameter is 4-8 mm.
- the glass fiber rope, the organic cotton and the microporous ceramic rod are all oil guiding bodies, and the atomized smoke oil is heated by the heating wire.
- the first two methods are because the heating wire is wound up, resulting in a small contact area between the heating wire and the oil guiding body.
- the invention provides a method for preparing microporous ceramics, and provides a preparation method of microporous ceramic heating rods, in view of the deficiencies of the three kinds of heating wires used in the current electronic cigarette atomizer.
- the technical solution adopted by the present invention for achieving the object thereof is: a preparation method of microporous ceramics, comprising the steps of compounding, grinding, sieving, mixing, grouting, waxing, and sintering;
- the ingredients are as follows:
- the uniformly mixed powder is added to the grinding ball for dry ball milling for 8-12 hours.
- the paraffin wax is liquefied, treated with an active agent, and then the sieved powder is added for mixing.
- the wax discharging step the semi-finished product formed by grouting is put into a sintering crucible, and is completely flooded with the wax discharging powder, and then placed in a wax discharging kiln for wax discharge; the wax discharge temperature is 200-800 degrees, and the time is 10 - 36 hours.
- the waxed product is placed in a high temperature furnace for high temperature sintering at a sintering temperature of 800 to 1200 degrees for a period of 8 to 24 hours.
- the pore former is a powder of PS microspheres or corn starch or wood carbon powder or wood chips or a mixed powder of one or several kinds.
- the surfactant is oleic acid or stearic acid.
- the invention provides a preparation method of a microporous ceramic heating rod, which comprises the above-mentioned preparation step of the microporous ceramic, wherein in the grouting forming step, the heating wire of the hollow ring is loaded into a predetermined mold to perform molding. .
- the invention provides a microporous ceramic heating body with a new manufacturing process, which uses a grouting method to sinter the heating wire and the microporous ceramic into one body, so that the heating wire is embedded in the microporous ceramic, and the contact area with the smoke oil is increased, thereby avoiding The possibility of local dry burning improves the degree of reduction and taste of the smoked oil.
- the sintered microporous ceramic heating rod has an outer diameter of 1.8-2.2 mm, a heating wire resistance of 1.5-3.0 ohm, and a cross-sectional area of 2.8-3.8 mm2.
- the heating wire and the microporous ceramic are co-fired to improve the consistency of the product and facilitate the operation. Effectively ensure the stability of electric heating work, avoiding local dry burning. Improve the heating efficiency of the heating wire, shorten the time of smoking, and improve the smoking experience of users.
- FIG. 1 is a structural view showing a first embodiment of the present invention.
- Embodiment 1 is a method for preparing a heating and microporous ceramic heating rod in an atomizer, wherein the microporous ceramic heating rod prepared by the method, the hot wire and the microporous ceramic are co-fired. In one, it improves product consistency and is easy to operate. Effectively ensure the stability of electric heating work, avoiding local dry burning. Improve the heating efficiency of the heating wire, shorten the time of smoking, and improve the smoking experience of users.
- the preparation method of the microporous ceramic heating rod comprises the following steps:
- the percentage in the ingredient list of Table 1 is the mass percentage.
- the pore forming agent is a kind of powder, which is one kind or a mixture of several kinds of PS microspheres, corn starch, wood carbon powder or wood chips, and the pore forming agent is added to the powder mixture.
- the pore-forming agent is prepared by adding a pore-forming agent to a ceramic batch, occupying a certain space in the body by using a pore-forming agent, and then sintering, and the pore-forming agent leaves the substrate to form pores to prepare a foamed ceramic.
- the shape and size of the pore former particles determine the shape and size of the pores of the ceramic foam material.
- the molding methods mainly include molding, extrusion, isostatic pressing, rolling, injection and slurry casting. By this method, materials having complicated shapes and different pore structures can be obtained.
- a pore-forming agent is a biological material.
- one or several kinds of mixed powders of PS microspheres, corn starch, wood carbon powder or wood chips are selected.
- the surfactant may be oleic acid or stearic acid.
- the uniformly mixed powder is added to the grinding ball for dry ball milling for 8-12 hours.
- the milled material was sieved through a 100-250 mesh screen.
- the paraffin wax is liquefied by a heating cylinder, and the powder is added to the paraffin for mixing. Before the powder is added, the active agent is used for treatment to avoid separation from the paraffin.
- the heating wire of the hollow ring is placed in a specific mold and placed on a grouting machine for molding. Note that in the cavity of the mold, the hollow ring of the heating wire is close to the inner wall of the mold. Thus, in the fabricated microporous ceramic heating rod, the heating wire is not embedded in the microporous ceramic rod, nor is it bound to the outside of the microporous ceramic rod, but is embedded in the surface of the microporous rod. As shown in FIG. 1, the heating wire 2 is mounted on the surface of the microporous rod 1. In this step, a pre-prepared mold is used, which is set according to the electronic cigarette.
- the shape of the microporous ceramic heating rod, in the mold, the hollow ring portion of the heating wire is placed in the mold, and the two leads of the heating wire are led out of the mold, in order to ensure that the electric heating wire on the microporous ceramic heating rod is molded in the future
- the surface of the microporous ceramic rod, therefore, the hollow ring portion of the heating wire should be close to the inner wall of the mold in the mold.
- the shape of the microporous ceramic rod used in the electronic cigarette is generally designed to be a standard cylindrical or rice grain shape.
- the formed semi-finished product is placed in a sintered crucible, and is completely flooded with the wax-discharging powder, and then placed in a wax-discharging kiln for wax discharge.
- the wax discharge temperature is 200-800 degrees and the time is 10-36 hours.
- the waxed product is placed in a high temperature furnace for high temperature sintering at a sintering temperature of 800-1200 degrees for a period of 8-24 hours.
- the sintered product is cleaned with ultrasonic waves.
- the porous ceramic used in the scheme does not form the risk that the fiber particles are adsorbed in the human lung during the working process, and heats under the same power condition.
- the silk heating process is more stable, and there is no higher peak, which causes the pyrotechnics to crack and produce some harmful substances.
- the contact area of the heating wire and the smoke oil is multiplied, thereby avoiding the possibility of partial dry burning of the heating wire, improving the reducing degree and taste of the tobacco oil, and Under the condition of the same power, the heating wire heating process is more stable, there is no higher peak, so that the pyrotechnics cracking produces some harmful substances, and there is no phenomenon that the heating wire is not tightly contacted with the ceramic, and the consistency of the product is improved.
- the inner hole is limited to 2-4 mm, the outer diameter is 4.2-8 mm, and the cross section of the whole ceramic is 10.66-37.4 mm. 2 ;
- the finished product of the sintering process is as shown on the right, the heating wire is embedded in the surface of the porous ceramic rod, the outer diameter of the whole sintered is 1.8-2.2mm, the resistance of the heating wire is 1.5-3.0 ohm, and the cross-sectional area is 2.8. -3.8mm 2 , that is, in the case of the same length, the volume is only 1/10-1/4.
- the microporous ceramic itself is an endothermic body, which absorbs part of the heat during the heating of the heating wire and affects the heating efficiency of the heating wire. Therefore, compared with the integrated ceramic heating wire embedded in the interior, the invention is embedded in the outside.
- the integrated ceramic electric heating wire has a heating efficiency of 4-10 times, which greatly shortens the time of smoking, and can effectively improve the smoking experience.
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Abstract
Description
序号Serial number | 成分ingredient | 比例(%)proportion(%) |
11 | 石英砂Quartz sand | 50-8050-80 |
22 | 海泡石粉Sepiolite powder | 5-155-15 |
33 | 沸石粉Zeolite powder | 1-51-5 |
44 | 二氧化硅Silica | 2-52-5 |
55 | 高岭土Kaolin | 1-31-3 |
66 | 氧化锌Zinc oxide | 0.3-10.3-1 |
77 | 氧化硼Boron oxide | 0.5-10.5-1 |
88 | 氧化镁Magnesium oxide | 1-31-3 |
99 | 造孔剂Pore former | 3-103-10 |
1010 | 石蜡paraffin | 10-3010-30 |
1111 | 表面活性剂Surfactant | 0.3-10.3-1 |
合计total | 100100 |
Claims (10)
- 根据权利要求1所述的微孔陶瓷的制备方法,其特征在于:The method for preparing a microporous ceramic according to claim 1, wherein:所述的研磨步骤中将混合均匀的粉料加入研磨球进行干法球磨8-12小时。In the grinding step, the uniformly mixed powder is added to the grinding ball for dry ball milling for 8-12 hours.
- 3.根据权利要求1所述的微孔陶瓷的制备方法,其特征在于:所述的混料步骤中,将石蜡液化,用活性剂进行处理后再加入过筛后的粉料进行混合。The method for preparing a microporous ceramic according to claim 1, wherein in the mixing step, the paraffin wax is liquefied, treated with an active agent, and then the sieved powder is added for mixing.
- 4.根据权利要求1所述的微孔陶瓷的制备方法,其特征在于:所述的排蜡步骤中,将注浆成型好的半成品装入烧结钵内,用排蜡粉整体淹埋,然后放入排蜡窑进行排蜡;排蜡温度为200-800度,时间为10-36小时。The method for preparing a microporous ceramic according to claim 1, wherein in the step of discharging the wax, the semi-finished product formed by injection molding is placed in a sintered crucible, and the whole is discharged by using the wax-discharging powder, and then placed. It is discharged into the wax kiln for wax discharge; the wax discharge temperature is 200-800 degrees, and the time is 10-36 hours.
- 5.根据权利要求1所述的微孔陶瓷的制备方法,其特征在于:所述的烧结步骤中,将排完蜡的产品放入高温炉进行高温烧结,烧结温度为800-1200度,时间为8-24小时。The method for preparing a microporous ceramic according to claim 1, wherein in the sintering step, the waxed product is placed in a high temperature furnace for high temperature sintering, and the sintering temperature is 800-1200 degrees. It is 8-24 hours.
- 6.根据权利要求1所述的微孔陶瓷的制备方法,其特征在于:所述的造孔剂为PS微球、玉米淀粉、木碳粉、木屑中的的一种或者数种的混合粉未。The method for preparing a microporous ceramic according to claim 1, wherein the pore former is one or a mixture of a plurality of PS microspheres, corn starch, wood carbon powder, and wood chips. not.
- 7.根据权利要求1所述的微孔陶瓷的制备方法,其特征在于:所述的表面活性剂为油酸或者硬脂酸。The method for preparing a microporous ceramic according to claim 1, wherein the surfactant is oleic acid or stearic acid.
- 8.一种微孔陶瓷加热棒的制备方法,其特征在于:该方法包括权利要求1所述的微孔陶瓷的制备步骤,在注浆成型步骤中,将空心圈的电热丝装入规定的模具内,进行成型。A method for preparing a microporous ceramic heating rod, comprising: the method for preparing a microporous ceramic according to claim 1, wherein in the step of forming a grout, the heating wire of the hollow ring is filled into a prescribed Molding is carried out inside the mold.
- 9.根据权利要求8所述的微孔陶瓷加热棒的制备方法,其特征在于:所述的电热丝空心圈 的外侧紧靠所述的模具内壁。The method for preparing a microporous ceramic heating rod according to claim 8, wherein the electric heating wire hollow ring The outer side abuts against the inner wall of the mold.
- 10.根据权利要求8所述的微孔陶瓷加热棒的制备方法,其特征在于:烧结成型的微孔陶瓷加热棒的外径在1.8-2.2mm之间,电热丝的阻值为1.5-3.0欧,截面积为2.8-3.8mm2。 The method for preparing a microporous ceramic heating rod according to claim 8, wherein the outer diameter of the sintered microporous ceramic heating rod is between 1.8 and 2.2 mm, and the electric heating wire has a resistance of 1.5 to 3.0. Europe, the cross-sectional area is 2.8-3.8mm 2 .
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CN201710260359.6 | 2017-04-20 | ||
CN201710260359.6A CN107010934B (en) | 2017-04-20 | 2017-04-20 | A kind of preparation method of micropore ceramics and micropore ceramics heating rod |
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CN110498670A (en) * | 2018-05-18 | 2019-11-26 | 深圳伊卡普科技有限公司 | Micropore ceramics body and preparation method thereof, atomization core and preparation method thereof |
WO2020143039A1 (en) * | 2019-01-11 | 2020-07-16 | 惠州市吉瑞科技有限公司深圳分公司 | Heating assembly and smoking device |
CN109674090B (en) * | 2019-01-18 | 2022-03-22 | 深圳市新宜康科技股份有限公司 | Aerosol generator and method of manufacturing the same |
CN112089103A (en) * | 2019-06-17 | 2020-12-18 | 深圳市卓力能电子有限公司 | Atomizer heating body and manufacturing method thereof |
CN110372345A (en) * | 2019-07-02 | 2019-10-25 | 湖南嘉盛电陶新材料股份有限公司 | A kind of electronic cigarette micropore ceramics atomization core and preparation method thereof |
CN110446279A (en) * | 2019-08-08 | 2019-11-12 | 东莞市仕易陶瓷科技有限公司 | A kind of heating wire and preparation method |
CN112441843A (en) * | 2020-12-05 | 2021-03-05 | 任杰 | Preparation process of attached-wire type porous ceramic based on organic foam impregnation method |
CN114538953A (en) * | 2022-03-28 | 2022-05-27 | 深圳市立场科技有限公司 | Manufacturing process of heating ceramic atomizing core and heating ceramic atomizing core |
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US9861132B2 (en) * | 2013-12-31 | 2018-01-09 | Shenzhen First Union Technology Co., Ltd. | Atomizer and electronic cigarette having same |
CN106263036B (en) * | 2016-08-11 | 2019-03-08 | 深圳市新宜康科技股份有限公司 | A kind of electronic cigarette temperature control ceramic heater and atomizer |
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CN106187285A (en) * | 2015-04-30 | 2016-12-07 | 深圳麦克韦尔股份有限公司 | The preparation method of porous ceramic film material and porous ceramic film material and application thereof |
CN104892021A (en) * | 2015-05-18 | 2015-09-09 | 新化县恒睿电子陶瓷科技有限公司 | Open-pore ceramic material for electronic cigarette purifier and preparation method thereof |
CN105418070A (en) * | 2015-11-20 | 2016-03-23 | 李安成 | Electronic cigarette atomization core for implanting heating wire into green body and preparation method thereof |
CN105813815A (en) * | 2016-03-15 | 2016-07-27 | 惠州市吉瑞科技有限公司深圳分公司 | Manufacturing method of heating unit and forming device of heating unit |
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