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CN109454751A - One pressure embryo, integrally sintered compound carbon filament electric heating function ceramic plate and its manufacturing method - Google Patents

One pressure embryo, integrally sintered compound carbon filament electric heating function ceramic plate and its manufacturing method Download PDF

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Publication number
CN109454751A
CN109454751A CN201811287293.0A CN201811287293A CN109454751A CN 109454751 A CN109454751 A CN 109454751A CN 201811287293 A CN201811287293 A CN 201811287293A CN 109454751 A CN109454751 A CN 109454751A
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electric heating
composite carbon
carbon filament
powder
ceramic plate
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Inventor
董雄伟
陈悟
王训该
朱立成
唐斌
李岱祺
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Wuhan Textile University
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Wuhan Textile University
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Priority to CN201811287293.0A priority Critical patent/CN109454751A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)

Abstract

本发明公开了一种一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，包括如下步骤：步骤一、在胚体模具底层铺设一层微孔隔热基底层陶泥/粉，形成微孔隔热基底层；步骤二、将复合碳丝束直接铺设在微孔隔热基底层陶泥/粉上，并用胚体粉料均匀覆盖，平整后压胚，形成复合碳丝发热层；步骤三、将上述胚体在胚体模具中进行压胚或定型，经一次压胚或定型后出模、干燥得半成品；步骤四、把釉面胚体粉料平铺或涂层在压胚或定型后的半成品最上层，最后经窑炉一次性烧结得一体压胚、整体烧结成型复合碳丝电热功能陶板。本发明整体结构简单，设计合理，使用安全，智能方便，取暖效果好。

The invention discloses a method for manufacturing a composite carbon filament electric heating functional ceramic plate which is integrally pressed and integrally sintered. Microporous heat-insulating base layer; step 2, laying composite carbon filament bundles directly on the ceramic clay/powder of the micro-porous heat-insulating base layer, and evenly covering it with embryo body powder, flattening and pressing embryos to form a composite carbon filament heating layer; Step 3, pressing or shaping the above-mentioned embryo body in the embryo body mold, releasing the mold after one pressing or shaping, and drying to obtain a semi-finished product; Step 4, laying or coating the glazed embryo body powder on the pressing embryo Or the uppermost layer of the semi-finished product after being shaped, and finally sintered in a kiln at one time to obtain an integral pressed embryo, integrally sintered to form a composite carbon filament electric heating functional ceramic plate. The invention has the advantages of simple overall structure, reasonable design, safe use, intelligence and convenience, and good heating effect.

Description

One pressure embryo, integrally sintered compound carbon filament electric heating function ceramic plate and its manufacture Method
Technical field
The present invention relates to a kind of electric heating ceramic plate and its manufacturing methods, and in particular to a kind of one pressure embryo, integrally sintered Compound carbon filament electric heating function ceramic plate and its manufacturing method.
Background technique
With the development of modern material science and technology, home physiotherapy and health-care warming, Modern Industry Products are thermally processed into The requirement of shape and heat treatment condition is increasingly stringent, and the exploitation and research of heating method and Novel heating material are in material science and energy Status in the development field of source is more and more important.Common electric ceramic material is due to its good insulating, corrosion-resistant, high temperature resistant and warp It is widely used in terms of the advantages that durable long, especially heating.
At present there are mainly three types of traditional individual family heating systems: radiator type hot-water heating, air-conditioning or external heating wire (piece), floor heating.However disadvantage is also clearly: hot-water heating heat dissipation of terminal mode not only influences house dress based on external cooling fin The hot-water circulation pipe for repairing structure and pre-buried wall has security risk there are risks such as aging burn into leakages；When air-conditioning preheats Between it is long, and energy consumption is higher, goes out hot spot positioned at 1.5 meters or more, comfort level is poor, and head heat is felt cold, and leads to air conditioner disease；Electric heating wire type (being commonly called as Sunny) heating is that point type resistance wire heats, and the heat-generating pipe of open fire formula cannot cover, and be easy to cause scald and fire, Security risk is extremely prominent；It in addition is exactly to use more extensive ground heating type heating currently on the market there are also one kind.Traditional ground In warm formula heating, line with heating function is substantially to be made of metallic resistance silk or carbon fiber, and is usually the embedded fever in face under floor Heat is simultaneously dispersed into interior by earth's surface and carries out heating heat preservation to interior by line, line with heating function heating power, there are the problem of Be: (1) electric heating utilization rate is not high, and metal electric heating silk electric heating conversion efficiency generally only has 60~80%；(2) metal electric heating silk is conductive Also the electromagnetic radiation being largely harmful to the human body is generated, health care is unfavorable for；(3) construction is complicated, due to the pre-buried depth of line with heating function Up to 20~60mm, the heat on line with heating function periphery is high but to be transmitted to the heat that ground comes out low；(4) heat of indoor heating distributes not Often there is the awkward situation of " oneself is not warm, and heat is perspired downstairs " formula in uniform and inefficiency.
The drawbacks of based on above-mentioned heating system, compound carbon filament electric heating function ceramic plate of the present invention can be used as a kind of novel Ceramic plate of generating heat or floor tile, fever composite carbon flight lead are less than 5mm from surface, have heat conduction efficiency high, and thermal losses is low, ceramics Heat conduction non-conducting itself, itself limit temperature, fire prevention, and due to using nonmetal heating unit during carbon filament fever, so not producing The raw electromagnetic radiation as waves being harmful to the human body, while carbon filament Shu Fare generates far infrared, and under irradiating for a long time, it is strong to be conducive to human body Health has certain healthcare function, has health comfortable, install convenient is durable, intelligent temperature control, environmental protection and energy saving and safety The advantages that reliable.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, i.e., traditional electric heating system heat supply efficiency is low, peace The defects of full hidden danger is prominent, to provide a kind of pressure embryo, integrally sintered compound carbon filament electric heating function ceramic plate and its manufacture Method.
The present invention is implemented as follows:
A kind of one presses the manufacturing method of embryo, integrally sintered compound carbon filament electric heating function ceramic plate, includes the following steps:
Step 1: it is laid with the heat-insulated basal layer pottery mud/powder of one layer of micropore in idiosome mold bottom, it is total with a thickness of idiosome mold The 1/2~1/3 of thickness forms the heat-insulated basal layer of micropore；
Step 2: composite carbon tow is laid immediately on the heat-insulated basal layer pottery mud/powder of micropore, and uniform with idiosome powder Covering, idiosome powder apply material with a thickness of the 1/2~2/3 of idiosome mold overall thickness, press embryo after smooth, form compound carbon filament fever Layer；
It is depanning after once being pressed embryo or sizing, dry Step 3: above-mentioned idiosome to be carried out to pressure embryo or sizing in idiosome mold It is dry to obtain semi-finished product；
Step 4: the semi-finished product top layer the tiling of glaze idiosome powder or coating after pressure embryo or sizing, powder or painting Layer most must form compound carbon filament electric heating function ceramic plate through kiln is disposably integral sintered afterwards with a thickness of 1~3mm.
Further scheme is:
The heat-insulated basal layer pottery mud/powder of the micropore includes the following component of weight percent: major ingredient ingredient is 55-70% SiO2, 15~25% Al2O3, 2~10% TiO2, the sodium tripolyphosphate that food ingredient is 0.1~2%, 5~10% is multiple Close silicate；The compound carbon filament electrothermal layer idiosome pottery mud/powder includes following weight percentage components: 51~70% SiO2, 21~40% Al2O3, 1~2% Fe2O3, 2~5% TiO2, 1~2% CaO and MgO.
Further scheme is:
The composite carbon tow is prepared via a method which to obtain:
Carbon filament surface is first carried out anti-oxidant and sizing protective coating processing by method one, the coating with solidified resin glue or Silicone adhesive and polyurethane adhesive are matrix, add antioxidant in the ratio of 5~30% weight percent under the conditions of organic solvent Ingredient.By treated, carbon filament beam pulls drawing-off again, keeps 1~2 hour dry at 60 DEG C；
Method two, the composite carbon tow are by before the fibrils such as cyclization, yarn fiber or rayolande Body material through carbon fibre made of high temperature pre-oxidation treatment, specifically: first above-mentioned fibril material is put into oxidation furnace and carries out 1 Low temperature pre-oxidation processing in~4 hours；Again under the conditions of closed and inert gas shielding, by the fiber after pre-oxidation treatment It is carbonized at 800~2000 DEG C.
Further scheme is:
The composite carbon tow will need to weave with M or S-shaped winding mode or a plurality of carbon filament line according to mold, and with annular Winding mode is solidified, is formed.
Further scheme is:
The vestibule of mountable individual temperature sensors is reserved in compound carbon filament electrothermal layer, the vestibule is elongate cylinder Shape, 2~3mm of internal diameter, 10~200mm of length；The reserved vestibule is apart from 2~4mm of surface insulation layer；And in compound carbon filament Electrothermal layer two sides lateral layout metallic channel and carbon filament electrode tip sub-aperture, conducting wire 3~5mm of groove depth, 1~2mm of electrode terminal aperture.
Further scheme is:
It is that pressure is not less than 30MPa that powder idiosome, which presses embryo condition,.
Wherein, glaze idiosome powder is conventional ceramic plate glazing type material, is not described in detail herein.
The present invention have it is following the utility model has the advantages that
1, present invention employs composite carbon tow as heating-wire, has good toughness, laying process simple, electric --- heat Conversion ratio is high, its electric-thermal transformation efficiency is up to 98% or more, more traditional that the heating system energy conservation that electricity is auxiliary thermal source is burnt with oil firing 20~50%；And pressure embryo-sintering process overall time is completed, is durable and pollution-free；
2, present invention employs composite carbon tow as heating-wire, due to using nonmetallic fever during fever Body, so not generating the electromagnetic radiation as waves being harmful to the human body, while the fever of compound carbon filament generates far infrared, irradiates for a long time Under, be conducive to human health, there is certain healthcare function；
3, longitudinal be laid with of compound carbon filament heating layer can be arranged in the present invention with zigzag or corrugated, can not only increase hair The contact area of thermal wire, also improves heat conduction efficiency；
4, the present invention due in the compound carbon filament heating layer following settings heat-insulated basal layer of micropore so effective barrier The diffusion of heat layer to the ground, make heat transfer from ceramic brick body to surface more rapidly, uniformly, and reduce heat and transmitting Loss in the process, improves heating efficiency, reduces energy consumption；
5, the present invention be due to that can use safety power supply (voltage be lower than 36V) and intellectualized module control, not only energy conservation and And ensure safety；
6, the present invention once presses embryo, disposable whole sintering process, entire manufacturing process work due to using layer-by-layer distribution Skill is simple and one is completed, and is easy to industrialization production, and installation laying is simple, universal convenient for market.
Detailed description of the invention
Fig. 1 is the compound carbon filament electric heating function ceramic plate longitudinal profile structure schematic of the present invention；
Fig. 2 is two kinds of Typical Planars arrangement signal of composite carbon tow inside the compound carbon filament electric heating function ceramic plate of the present invention Figure；
Fig. 3 is the compound carbon filament electric heating function ceramic plate temperature sensor vestibule of the present invention, metallic channel and electrode terminal schematic diagram；
The surface Infrared Thermogram for the carbon filament electric heating function ceramics that Fig. 4 is prepared for the embodiment of the present invention is (from left to right Conduction time is followed successively by 30~45 seconds；80~100 seconds；120~180 seconds).
Specific embodiment
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
A kind of one presses the manufacturing method of embryo, integrally sintered compound carbon filament electric heating function ceramic plate, includes the following steps:
Step 1: it is laid with the heat-insulated basal layer pottery mud/powder of one layer of micropore in idiosome mold bottom, it is total with a thickness of idiosome mold The 1/2~1/3 of thickness forms the heat-insulated basal layer 3 of micropore；
Wherein, the heat-insulated basal layer pottery mud/powder of micropore includes the following component of weight percent: major ingredient ingredient is 55-70% SiO2, 15~25% Al2O3, 2~10% TiO2, the sodium tripolyphosphate that food ingredient is 0.1~2%, 5~10% is multiple Close silicate；
Preferably, complex silicate salt component is the mixed of one or more of alumina silicate or composite magnesium silicate or sepiolite cashmere It closes；
Preferably, the micropore size size of the heat-insulated basal layer of micropore is 100~2000 μm；Porosity is 10%~30%.
Step 2: composite carbon tow 5 is laid immediately on the heat-insulated basal layer pottery mud/powder of micropore, and equal with idiosome powder Even covering, idiosome powder apply material with a thickness of the 1/2~2/3 of idiosome mold overall thickness, press embryo after smooth, form compound carbon filament hair Thermosphere 2；
Wherein, idiosome powder includes following weight percentage components: 51~70% SiO2, 21~40% Al2O3, 1 ~2% Fe2O3, 2~5% TiO2, 1~2% CaO and MgO.
It is depanning after once being pressed embryo or sizing, dry Step 3: above-mentioned idiosome to be carried out to pressure embryo or sizing in idiosome mold It is dry to obtain semi-finished product；Wherein, powder idiosome pressure embryo condition is that pressure is not less than 30MPa；
Step 4: the semi-finished product top layer the tiling of glaze idiosome powder or coating after pressure embryo or sizing, powder or painting Layer forms superficial layer 1 with a thickness of 1~3mm, is most disposably sintered to obtain the compound carbon filament electricity of one pressure embryo, sinter molding through kiln afterwards Heat function ceramic plate, sintering temperature are 1000~1400 DEG C, and sintering time is 1~3h.
Wherein, composite carbon tow is prepared via a method which to obtain:
Method one, first anti-oxidant by the progress of carbon filament beam surface and sizing protective coating pretreatment, the coating are with shaping glue Matrix is dissolved in organic solvent with volume ratio 1:1~1:10 ratio, and adds antioxidant composition in 5~30% ratios again, then By treated, carbon filament beam pulls drawing-off, keeps 1~2 hour dry at 40~60 DEG C；
Preferably, organic solvent is methanol, ethyl alcohol, ethylene glycol, dimethyl sulfoxide, n,N dimethylformamide, acetone, second One or more of acetoacetic ester；
Preferably, composite carbon tow matrix shaping glue is solidified resin glue or one of silicone adhesive or polyurethane adhesive or several The mixture of kind；
Preferably, antioxidant composition be nano active carbon dust or Boratex or one of graphene carbon dust or iron powder or It is several.
Method two, the composite carbon tow are by before the fibrils such as cyclization, yarn fiber or rayolande Body material through carbon fibre made of high temperature pre-oxidation treatment, specifically: first fibril precursor material is put into oxidation furnace with 200 Carrying out 1~4 hour pre-oxidation treatment at~400 DEG C, preferred fibril precursor material is cyclization, yarn fiber, The mixing of one or more of rayolande；It, will be after pre-oxidation treatment again under the conditions of closed and inert gas shielding Fiber be carbonized at 800~2000 DEG C, preferred inert gas be argon gas, carbon dioxide, nitrogen.
As shown in Fig. 3, the composite carbon tow will be needed according to mold with M or S-shaped winding mode or a plurality of carbon filament line Braiding, and be coiled on the heat-insulated substrate layer plane of micropore with ring winding mode, solidified, be formed.
Furthermore it is possible to which the longitudinal direction of composite carbon tow is laid in zigzag or corrugated, composite carbon tow is increased with this Contact area, improves heat transfer efficiency, and composite carbon tow fever line end and copper wire (copper sheet) finally separately hold conjunction to exist with positive and negative polarities On metallic channel electrode terminal 6；
As shown in Fig. 4, the vestibule 4 of mountable individual temperature sensors, the hole are reserved in compound carbon filament electrothermal layer Chamber is elongated cylindrical, 2~3mm of internal diameter, 10~200mm of length；The reserved vestibule is apart from 2~4mm of surface insulation layer； And in the two sides lateral layout metallic channel 7 and carbon filament electrode tip sub-aperture 8 of compound carbon filament electrothermal layer, conducting wire 3~5mm of groove depth, electrode 1~2mm of terminal aperture.Pinhole-shaped temperature sensor is placed in inside vestibule, and the both ends of carbon filament beam heating wire are pre-buried to electrode terminal Hole site, and intelligent data control device is connected to along metallic channel by external copper wire conducting wire.
Certainly, it will be understood by those skilled in the art that one the pressure embryo, integrally sintered compound carbon filament electric heating of the application Function ceramic plate, external form are not limited to flat-faced tube or floor brick type, the wave with identical electric heating function that can also be integrally formed The non-planar ceramic structure that line shape, bowl-shape etc. are changed through simple appearance.
In the present invention, rated operational voltage can be set not higher than 36V, to guarantee using safe.
Below for firing a kind of powder embryo material ceramics plate sample, a series of compound carbon filaments electricity for containing 5 kinds of specifications are prepared Heat function ceramic plate small sample, specific as follows:
The preparation of idiosome powder: according to each germinal layer function and material composition, match by its powder constituents composition (mass fraction %) Than as follows
By specification 3*3k or 3*6k, diameter is the carbon filament fibril of 0.5 or 1.0mm, is protected through surface anti-oxidant and sizing It after coating pretreatment, buries into compound carbon filament heating layer, and proportioned each layer is made pottery according to this patent step described previously Smooth after powder raw material covering, one presses embryo, dry, most primary integral sintered forms through 1160 DEG C afterwards.
Heating property parameter detecting: according to the idiosome mold being pre-designed, being made the ceramic wafer small sample of 5 kinds of specifications, With a thickness of 8-10mm, area is 30mm*20mm to 50mm*40mm.It is detected, sinters the electricity of carbon filament heating-wire after ceramic wafer into Between 5.0~15.0 Ω, complication experiment is expected for resistance.
Obtained material electric heating conversion performance is characterized using FLIR one infrared camera and regulated power supply.It will The stabilized power source (0.5~1.5A of electric current) that the ceramic wafer carbon filament beam both ends formed connect 7.5~12v is fired, and uses infrared heat Image camera carries out real-time measurement to the temperature of material surface.As shown in Fig. 4, according to the experimental results, the surface of ceramic wafer Temperature increases with the increase of conduction time, and heat is spread from the center of carbon filament beam to two sides, and sample is being powered 30~45 seconds Surface temperature can achieve 45 DEG C later, and after lasting be powered 80~100 seconds, the surface temperature of sample has reached 85.8 DEG C, and 2 The surface temperature of sample has reached 106.5 DEG C after~3 minutes.
The results showed that prepared compound carbon filament electric heating function ceramic plate not only heats up rapidly, but also high-efficient, have Excellent electric conversion.
Overall structure of the present invention is simple, and rationally, use is safe for design, and intelligence is convenient, and heating effect is good；Integrated pressing mold, Integral sintered, modularized design is mated formation simple；Using carbon filament beam heating technique, the service life is long, is not necessarily to after-sale service, energy conservation and environmental protection； Safe floor heating, good insulating, intelligent temperature control can preferably meet heating use demand.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair Bright preferable embodiment, embodiment of the present invention are not limited by the above embodiments, it should be appreciated that those skilled in the art Member can be designed that a lot of other modification and implementations, these modifications and implementations will fall in principle disclosed in the present application Within scope and spirit.

Claims (9)

1.一种一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于包括如下步骤：1. a manufacturing method of integral pressing embryo, integral sintering molding composite carbon filament electric heating functional ceramic plate, is characterized in that comprising the steps: 步骤一、在胚体模具底层铺设一层微孔隔热基底层陶泥/粉，其厚度为胚体模具总厚度的1/2 ~ 1/3，形成微孔隔热基底层；Step 1, laying a layer of microporous thermal insulation base layer ceramic mud/powder on the bottom layer of the embryo body mold, and its thickness is 1/2 ~ 1/3 of the total thickness of the embryo body mold, forming a microporous thermal insulation base layer; 步骤二、将复合碳丝束直接铺设在微孔隔热基底层陶泥/粉上，并用胚体粉料均匀覆盖，胚体粉料的施料厚度为胚体模具总厚度的1/2 ~ 2/3，平整后压胚，形成复合碳丝发热层；Step 2: Lay the composite carbon tow directly on the ceramic mud/powder of the microporous heat insulating base layer, and cover it evenly with the embryo body powder. The thickness of the embryo body powder material is 1/2~2 of the total thickness of the embryo body mold. 2/3, press embryo after leveling to form a composite carbon filament heating layer; 步骤三、将上述胚体在胚体模具中进行压胚或定型，经一次压胚或定型后出模、干燥得半成品；Step 3, pressing or shaping the above-mentioned embryo body in the embryo body mould, and then releasing the mould and drying to obtain a semi-finished product after one pressing or shaping; 步骤四、把釉面胚体粉料平铺或涂层在压胚或定型后的半成品最上层，粉料或涂层厚度为1-3mm，最后经窑炉一次性烧结得一体压胚、烧结成型复合碳丝电热功能陶板。Step 4. Flatten or coat the glazed embryo body powder on the top layer of the semi-finished product after pressing or shaping, the thickness of the powder or coating is 1-3mm, and finally sintered in a kiln at one time to obtain an integrated pressed embryo and sintered Forming composite carbon filament electric heating function ceramic plate. 2.根据权利要求1所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：2. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 1, characterized in that: 所述的微孔隔热基底层陶泥/粉包括重量百分比如下的组分：主料成分为55-70%的SiO2，15～25%的Al2O3，2～10%的TiO2，配料成分为0.1～2%的三聚磷酸钠，5～10%复合硅酸盐。The microporous heat insulating base layer clay/powder includes the following components by weight: the main ingredients are 55-70% SiO 2 , 15-25% Al 2 O 3 , 2-10% TiO 2 , the ingredients are 0.1-2% sodium tripolyphosphate and 5-10% complex silicate. 3.根据权利要求2所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：3. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 2, wherein: 所述复合硅酸盐成分为硅酸铝或复合硅酸镁或海泡石绒中的一种或几种的混合。The composite silicate component is one or a mixture of aluminum silicate, composite magnesium silicate or sepiolite wool. 4.根据权利要求1所述一体压胚、烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：4. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 1, characterized in that: 所述复合碳丝电热层胚体粉料包括如下重量百分比的组分：51～70%的SiO2，21～40%的Al2O3，1～2%的Fe2O3，2～5%的TiO2，1～2%的CaO及MgO。The composite carbon filament electric heating layer embryo body powder includes the following components by weight: 51-70% SiO 2 , 21-40% Al 2 O 3 , 1-2% Fe 2 O 3 , 2-5% % TiO 2 , 1-2% CaO and MgO. 5.根据权利要求1所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：5. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 1, wherein: 所述的复合碳丝束是通过如下方法制备得到的：The composite carbon tow is prepared by the following method: 方法一、先将碳丝束表面进行抗氧化及定型防护涂层预处理，该涂层以定型胶为基体，以体积比1:1~1:10比例溶解于有机溶剂，并再按5～30%比例添加抗氧化剂成分，再将处理后的碳丝束拉引牵伸，保持40～60℃下干燥1～2小时；Method 1. First, the surface of the carbon tow is pretreated with anti-oxidation and shaping protective coating. The coating is based on shaping glue, and is dissolved in an organic solvent in a volume ratio of 1:1~1:10. Add antioxidants in a proportion of 30%, and then draw the treated carbon tow, and keep it at 40-60 °C for 1-2 hours; 方法二、所述的复合碳丝束是由聚丙烯晴纤维、棉纱纤维或黏胶丝纤维的原纤前体材料经高温预氧化处理而成的碳化纤维，具体为：先将上述原纤材料放入氧化炉中进行1～4小时的低温预氧化处理；再在密闭且惰性气体保护条件下，将经过预氧化处理后的纤维在800～2000℃下碳化而成。Method 2. The composite carbon tow is a carbonized fiber obtained by pre-oxidizing the fibril precursor material of polyacrylonitrile fiber, cotton yarn fiber or viscose fiber through high temperature pre-oxidation. Specifically, the above-mentioned fibril material is first Put it into an oxidation furnace for 1-4 hours of low-temperature pre-oxidation treatment; and then under the condition of airtight and inert gas protection, carbonize the pre-oxidized fiber at 800-2000 ℃. 6.根据权利要求5所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：6. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 5, characterized in that: 所述有机溶剂为甲醇，乙醇，乙二醇，二甲基亚砜，N,N二甲基甲酰胺，丙酮，乙酸乙酯中的一种或几种；The organic solvent is one or more of methanol, ethanol, ethylene glycol, dimethyl sulfoxide, N,N dimethylformamide, acetone, and ethyl acetate; 所述定型胶为固化树脂胶或硅酮胶或聚氨酯胶中的一种或几种的混合物；The setting glue is one or more mixtures of cured resin glue, silicone glue or polyurethane glue; 所述抗氧化剂成份为纳米活性碳粉或硼酸钠或石墨烯碳粉或铁粉中的一种或几种。The antioxidant component is one or more of nanometer activated carbon powder, sodium borate, graphene carbon powder or iron powder. 7.根据权利要求1或5或6所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：7. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 1, 5 or 6, characterized in that: 所述复合碳丝束要根据模具需要以M或S形绕线方式或多条碳丝线编织，并以环形绕线方式进行固化、定型。The composite carbon tow should be woven in an M or S-shaped winding method or a plurality of carbon filaments according to the requirements of the mold, and be cured and shaped in a circular winding method. 8.根据权利要求1所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：8. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 1, characterized in that: 在复合碳丝电热层中预留可安装独立温度传感器的孔腔，所述孔腔为细长圆柱形，内径尺寸2～3mm，长度10～200mm；所述预留孔腔距离表面绝缘层2～4mm；并在复合碳丝电热层两侧侧面设计导线槽及碳丝电极端子孔，导线槽深3～5mm，电极端子孔径1～2mm。A cavity for installing an independent temperature sensor is reserved in the composite carbon filament electric heating layer. The cavity is slender and cylindrical, with an inner diameter of 2 to 3 mm and a length of 10 to 200 mm; the reserved cavity is 2 mm from the surface insulating layer. ～4mm; and design wire grooves and carbon wire electrode terminal holes on both sides of the composite carbon filament electric heating layer, the wire groove depth is 3～5mm, and the electrode terminal aperture is 1～2mm. 9.根据权利要求1所述一体压胚、整体烧结成型复合碳丝电热功能陶板的制造方法，其特征在于：9. The method for manufacturing a composite carbon filament electric heating functional ceramic plate according to claim 1, characterized in that: 粉料胚体压胚条件为压强不低于30MPa。The powder embryo pressing condition is that the pressure is not less than 30MPa.
CN201811287293.0A 2018-10-31 2018-10-31 One pressure embryo, integrally sintered compound carbon filament electric heating function ceramic plate and its manufacturing method Pending CN109454751A (en)

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