CN209890515U - System for preparing perforated plate - Google Patents
System for preparing perforated plate Download PDFInfo
- Publication number
- CN209890515U CN209890515U CN201920622250.7U CN201920622250U CN209890515U CN 209890515 U CN209890515 U CN 209890515U CN 201920622250 U CN201920622250 U CN 201920622250U CN 209890515 U CN209890515 U CN 209890515U
- Authority
- CN
- China
- Prior art keywords
- inlet
- outlet
- porous plate
- pore
- sintering
- 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.)
- Active
Links
Images
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model discloses a system for preparing perforated plate, this system includes: the mixing and grinding device is provided with an inorganic component inlet, a pore-forming agent inlet, a binder inlet, a dispersing agent inlet, a solvent inlet and a mixed material outlet; the drying device is provided with a mixed material inlet and a dried material outlet; the dry pressing device is provided with a drying material inlet and a molding material outlet; the sintering device is provided with a molding material inlet and a sintering piece outlet; a post-treatment unit having a sinter inlet and a perforated plate outlet. The perforated plate manufactured by the system has regular size, and is not easy to leak oil in the assembly process when used for manufacturing the tobacco tar atomizer; meanwhile, the structure can conveniently realize the miniaturization of electronic products and has higher strength; the porosity and the pore diameter of the porous plate can be adjusted by adjusting the components of the porous plate, so that the porous plate has good oil absorption and oil locking capacity. Therefore, the porous plate has high porosity, good strength and proper heat conductivity.
Description
Technical Field
The utility model belongs to the electron cigarette field particularly, the utility model relates to a system for preparing perforated plate.
Background
Electronic cigarette presents the situation of thriving development in recent years, and the mode of smoking silently changes on young person, and traditional combustion formula mode of smoking and current tobacco tar atomizing, the mode of smoking that heats the incombustible coexists have appeared. Electronic cigarettes have developed into a huge market of the billion dollar level in europe, america, japan, korea, etc., and still show a blowout situation.
The electronic cigarette types on the market at present mainly include two types, one type is a low-temperature heating non-combustion type (hereinafter referred to as "HNB"), and a relatively representative brand is IQOS. The HNB type electronic cigarette generates smoke by heating a tobacco egg through a heating sheet, completely simulates the smoking mode of traditional tobacco, and the core technology of the HNB type electronic cigarette lies in the design and manufacture of the heating sheet. The other type is a type (hereinafter referred to as 'atomized electronic cigarette') which generates simulated smoke by atomizing tobacco tar, wherein an atomizer is mainly used for heating and atomizing the tobacco tar to generate smoke, and the typical brands are RELX, Gippro and the like.
To tobacco tar heating atomizer product, the structure on the market is many now, and more common is that the mode that passes through the die-casting with the heater strip buries a hollow cylinder form porous ceramic inside, and the resistance wire exposes at the hollow cylinder inner chamber, and tobacco tar permeates near the heater through porous ceramic, generates heat through the heater and atomizes the tobacco tar, and the hollow tube discharge of atomizing tobacco tar through the cylinder. Certain gaps can appear at the joint of the hollow cylindrical porous ceramic and the resistance wire, so that the product is easy to remove slag; the structure has strict requirements on the aperture and the porosity, has strict requirements on assembly, and is easy to cause the problem of oil leakage; at the same time, further miniaturization of the structure is difficult.
Thus, the heating substrates used in existing tobacco tar atomizer products are in need of further improvement.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, it is an object of the present invention to provide a system for preparing a multi-well plate. The perforated plate obtained by adopting the system is of a flat plate type and has regular size, and when the perforated plate is used for preparing the tobacco tar atomizer, the oil leakage phenomenon is not easy to generate in the assembling process; meanwhile, the structure can conveniently realize the miniaturization of electronic products and has higher strength; the porosity and the pore diameter of the porous plate can be adjusted by adjusting the components of the porous plate, so that the porous plate has good oil absorption and oil locking capacity. Therefore, the porous plate has high porosity, good strength and proper heat conductivity.
In an aspect of the present invention, the present invention provides a system for preparing a porous plate, according to the present invention, the system includes:
the mixing and grinding device is provided with an inorganic component inlet, a pore-forming agent inlet, a binder inlet, a dispersing agent inlet, a solvent inlet and a mixed material outlet;
the drying device is provided with a mixed material inlet and a dried material outlet, and the mixed material inlet is connected with the mixed material outlet;
the dry pressing device is provided with a dried material inlet and a formed material outlet, and the dried material inlet is connected with the dried material outlet;
the sintering device is provided with a molding material inlet and a sintering part outlet, and the molding material inlet is connected with the molding material outlet;
a post-treatment unit having a sintered part inlet and a perforated plate outlet, the sintered part inlet being connected to the sintered part outlet.
According to the utility model discloses system for preparation perforated plate, through grinding inorganic component, pore-forming agent, binder, dispersant and solvent mixture, can show the mixed effect that increases inorganic component and pore-forming agent, binder, dispersant and solvent, obtain the mixed material that accords with the granularity requirement simultaneously, wherein, the main effect of binder is the granulation, makes to have certain viscidity between the inorganic component powder, and makes it realize the press forming under certain pressure effect; the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the aperture and the porosity of the porous plate can be realized in the subsequent sintering process; the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials. Therefore, the obtained porous plate is flat, has regular size, and is not easy to leak oil in the assembly process when used for preparing the tobacco tar atomizer; meanwhile, the structure can conveniently realize the miniaturization of electronic products and has higher strength; the porosity and the pore diameter of the porous plate can be adjusted by adjusting the components of the porous plate, so that the porous plate has good oil absorption and oil locking capacity. Therefore, the porous plate has high porosity, good strength and proper heat conductivity.
In addition, the system for preparing a multi-well plate according to the above embodiment of the present invention may further have the following additional technical features:
optionally, the mixing and grinding device is a ball mill pot, a V-star mixing tank or a sand mill.
Optionally, the drying device is an oven or a spray dryer.
Optionally, the dry press device is a hydraulic press.
Optionally, the sintering device is a high temperature box furnace or a high temperature tunnel furnace.
Optionally, the post-treatment unit comprises a grinding device, a cleaning device and a drying device which are connected in sequence.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a system for preparing a multi-well plate according to one embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for manufacturing a multi-well plate according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In an aspect of the present invention, the present invention provides a system for preparing a porous plate, according to an embodiment of the present invention, referring to fig. 1, the system includes: a mixing and grinding device 100, a drying device 200, a dry pressing device 300, a sintering device 400 and a post-processing unit 500.
According to the embodiment of the present invention, the mixing and grinding apparatus 100 has an inorganic component inlet 101, a pore-forming agent inlet 102, a binder inlet 103, a dispersant inlet 104, a solvent inlet 105, and a mixture outlet 106, and is adapted to mix an inorganic component, a pore-forming agent, a binder, a dispersant, and a solvent so as to obtain a mixture. The inventor finds that the mixing effect of the inorganic component, the pore-forming agent, the binder, the dispersant and the solvent can be remarkably improved by mixing and grinding the inorganic component, the pore-forming agent, the binder, the dispersant and the solvent, and a mixed material meeting the granularity requirement can be obtained at the same time, wherein the binder has the main function of granulation, so that inorganic component powder has certain viscosity and can be pressed and formed under the action of certain pressure; the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the aperture and the porosity of the porous plate can be realized in the subsequent sintering process; the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials. It should be noted that the specific type of the mixing and grinding device is not particularly limited, and those skilled in the art can select the mixing and grinding device according to actual needs, such as a ball mill pot, a V-star mixing tank or a sand mill.
According to an embodiment of the present invention, the mass ratio of the inorganic component to the pore-forming agent, the binder, the dispersant, and the solvent is not particularly limited, and may be selected by those skilled in the art according to actual needs, for example, may be 1: 0.05-0.45: 0.03-0.20: 0.001-0.03: 0.1 to 0.4, specifically, for example, 1: 0.05/0.10/0.15/0.20/0.25/0.30/0.40/0.45: 0.03/0.06/0.09/0.12/0.15/0.18/0.20: 0.001/0.005/0.01/0.015/0.020/0.025/0.03: 0.1/0.2/0.3/0.4. The inventor finds that if the inorganic component is too small, the strength of the sintered porous plate is poor, and the porous plate is cracked due to pressure in the printing process or is cracked in the subsequent product cutting process; if the content of the dispersing agent is too low, the inorganic component and the pore-forming agent are dispersed and mixed unevenly, and further, the pores of the porous plate are distributed unevenly and the deviation of the pore size is large; if the addition amount of the pore-forming agent is too much, the porosity of the porous plate is large, the oil locking capacity of the product is low, and oil leakage is easy to occur.
According to still another embodiment of the present invention, the specific type of the inorganic component is not particularly limited, and can be selected by those skilled in the art according to actual needs, for example, selected from SiO2、Al2O3、SrCO3、BaCO3、CaCO3、MgCO3、ZrO2、TiO2、MnO2、Fe2O3At least one of (a). The inventor finds that the porous plate manufactured by mixing and matching the inorganic substances has moderate heat conductivity coefficient and good strength, and the problems of cracking, abnormal deformation and micropore sealing can not occur in the sintering process of the product.
According to another embodiment of the present invention, the specific type of the pore-forming agent is not particularly limited, and can be selected by those skilled in the art according to actual needs, for example, at least one selected from PMMA microspheres, PS microspheres, PVB microspheres, PVC microspheres, PVA microspheres, carbon powder, and graphite powder. Specifically, the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the pore diameter and the porosity of the porous plate can be realized in the subsequent sintering process. The inventor finds that the pore-forming agent can well form an open microporous structure, the microporous structure has good oil absorption and oil locking capacity, and the pore-forming agent can well volatilize in the binder removal sintering process and is free from residue.
According to another embodiment of the present invention, the specific type of the adhesive is not particularly limited, and may be selected by those skilled in the art according to actual needs, for example, at least one selected from PVA glue, PVB glue, carboxymethyl cellulose, and starch. Specifically, the main function of the binder is granulation, so that inorganic component powder has certain viscosity, and the inorganic component powder can be pressed and formed under certain pressure. The inventor finds that the binder can form a coating on the surface of inorganic component powder and provide good binding capacity, so that the porous plate can be well pressed and formed in a dry pressing process, and meanwhile, the binder can be well volatilized in a binder removal and sintering process, and no residue exists after sintering.
According to still another embodiment of the present invention, the specific type of the dispersant is not particularly limited, and may be selected by those skilled in the art according to actual needs, and may be at least one selected from the group consisting of herring oil, hard amide, glyceryl tristearate, butyl stearate, and polyethylene glycol, for example. Specifically, the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials. The inventor finds that the dispersing agent is low in price and cost, has good dispersing effect on inorganic components, can be completely decomposed in the binder removal sintering process, and cannot generate adverse effect on a finished product of the porous plate.
According to still another embodiment of the present invention, the specific type of the solvent is not particularly limited, and may be selected by those skilled in the art according to actual needs, for example, at least one selected from water, alcohol, and ethyl acetate. The inventor finds that the solvents have good environmental compatibility and are volatile, and the binder used in the application can form a stable system in the solvents, and the solvents have no residue after drying.
According to the utility model discloses an embodiment, drying device 200 has mixture entry 201 and drying material export 202, and mixture entry 201 links to each other with mixture export 106, and is suitable for and carries out drying process with mixture to obtain drying material. It should be noted that the specific type of the drying device is not particularly limited, and those skilled in the art can select the drying device according to actual needs, such as an oven or a spray dryer.
According to an embodiment of the present invention, the drying conditions are not particularly limited, and those skilled in the art can select the drying conditions according to actual needs, such as the temperature is 60-150 ℃ and the time is 2-12h, further such as the temperature is 60 ℃, 80 ℃, 100 ℃, 120 ℃, 140 ℃, 150 ℃ and the time is 2h, 4h, 6h, 8h, 10h, 12 h; the inventor finds that if the drying treatment temperature is too low and the drying treatment time is too short, the materials are not dried sufficiently, powder is easy to agglomerate, and the product is easy to crack and generate the phenomenon similar to water marks in the dry pressing process; if the temperature of the drying treatment is too high and the drying time is too long, on one hand, the materials are too dry, the caking property is reduced, on the other hand, the caking agent added into the materials is decomposed, the caking property is reduced, and further, the cracking phenomenon is generated in the dry pressing process.
According to the utility model discloses an embodiment, dry pressure equipment 300 has drying material entry 301 and shaping material export 302, and drying material entry 301 links to each other with drying material export 302, and is suitable for and carries out dry pressure processing with drying material to obtain shaping material. The inventor finds that the dried material contains a certain amount of binder, and the binder has granulation effect, so that inorganic component powder has certain viscosity, and the inorganic component powder can be pressed and formed under certain pressure. It should be noted that the specific type of the dry pressing device is not particularly limited, and those skilled in the art can select the dry pressing device according to actual needs, such as a hydraulic press.
According to an embodiment of the present invention, the dry pressure treatment condition is not particularly limited, and those skilled in the art can select the dry pressure treatment condition according to actual needs, for example, the pressure can be 500-; the inventor finds that the pressure of a plurality of pressing treatments is too small, the pressure maintaining time is too short, so that the product is not compact in pressing, and the product is easy to crack during demoulding; and the excessive pressure maintaining time of the plurality of pressing treatments can cause the surface of the product to crack and sharply reduce the pressing efficiency of the product.
According to the utility model discloses an embodiment, sintering device 400 has shaping material entry 401 and sintered piece export 402, and shaping material entry 401 links to each other with shaping material export 302, and is suitable for to carry out sintering treatment with the shaping material to obtain the sintered piece. Specifically, the sintering device may include a binder removal section and a sintering section that are connected in sequence. The inventor finds that because a large amount of the binder, the pore-forming agent and the dispersant are added into the material, the binder, the dispersant and the pore-forming agent in the molding material are slowly and completely discharged along with slow heating in the rubber discharging process. When the product after binder removal is sintered, the product can shrink to a certain extent, and the product is insulated for a certain time at the highest temperature, so that the internal structure of the product can be completely molded, and the expected design target is achieved.
According to an embodiment of the present invention, the conditions of the sintering process are not particularly limited, and those skilled in the art can select the conditions according to actual needs, for example, the temperature can be 900-; the inventor finds that if the sintering treatment temperature is too low and the heat preservation time is too short, the product is not compact in sintering and poor in strength; if the sintering temperature is too high and the heat preservation time is too long, internal micropores of the product disappear, the product shrinks too much, and the product deforms and warps.
According to an embodiment of the present invention, the post-treatment unit 500 has a sintered part inlet 501 and a porous plate outlet 502, the sintered part inlet 501 being connected to the sintered part outlet 402 and being adapted to post-treat the sintered part so as to obtain a porous plate. It should be noted that the specific type of the post-treatment unit is not particularly limited, and may be selected by those skilled in the art according to actual needs, and may include, for example, a grinding device, a cleaning device and a drying device connected in sequence. Grinding the sintered part to obtain a porous plate with target thickness and flatness; by cleaning the sintered part, particles on the surface of the sintered part can be removed. Thus, the porous plate with the porosity of 30-70 percent adjustable, the pore diameter of 0.03-0.2mm adjustable, the bending strength of more than 10MPa and the absorption rate of 30-60 percent can be obtained.
According to the utility model discloses system for preparation perforated plate, through grinding inorganic component, pore-forming agent, binder, dispersant and solvent mixture, can show the mixed effect that increases inorganic component and pore-forming agent, binder, dispersant and solvent, obtain the mixed material that accords with the granularity requirement simultaneously, wherein, the main effect of binder is the granulation, makes to have certain viscidity between the inorganic component powder, and makes it realize the press forming under certain pressure effect; the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the aperture and the porosity of the porous plate can be realized in the subsequent sintering process; the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials. Therefore, the obtained porous plate is flat, has regular size, and is not easy to leak oil in the assembly process when used for preparing the tobacco tar atomizer; meanwhile, the structure can conveniently realize the miniaturization of electronic products and has higher strength; the porosity and the pore diameter of the porous plate can be adjusted by adjusting the components of the porous plate, so that the porous plate has good oil absorption and oil locking capacity. Therefore, the porous plate has high porosity, good strength and proper heat conductivity.
For convenience of understanding, a method for preparing a multi-well plate, which is performed using the above-described system for preparing a multi-well plate, according to an embodiment of the present invention, with reference to fig. 2, includes:
s100: mixing and grinding inorganic components, pore-forming agent, binder, dispersant and solvent
In the step, an inorganic component, a pore-forming agent, a binder, a dispersant and a solvent are mixed and ground to obtain a mixed material. The inventor finds that the mixing effect of the inorganic component, the pore-forming agent, the binder, the dispersant and the solvent can be remarkably improved by mixing and grinding the inorganic component, the pore-forming agent, the binder, the dispersant and the solvent, and a mixed material meeting the granularity requirement can be obtained at the same time, wherein the binder has the main function of granulation, so that inorganic component powder has certain viscosity and can be pressed and formed under the action of certain pressure; the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the aperture and the porosity of the porous plate can be realized in the subsequent sintering process; the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials.
According to an embodiment of the present invention, the mass ratio of the inorganic component to the pore-forming agent, the binder, the dispersant, and the solvent is not particularly limited, and may be selected by those skilled in the art according to actual needs, for example, may be 1: 0.05-0.45: 0.03-0.20: 0.001-0.03: 0.1 to 0.4, specifically, for example, 1: 0.05/0.10/0.15/0.20/0.25/0.30/0.40/0.45: 0.03/0.06/0.09/0.12/0.15/0.18/0.20: 0.001/0.005/0.01/0.015/0.020/0.025/0.03: 0.1/0.2/0.3/0.4. The inventor finds that if the inorganic component is too small, the strength of the sintered porous plate is poor, and the porous plate is cracked due to pressure in the printing process or is cracked in the subsequent product cutting process; if the content of the dispersing agent is too low, the inorganic component and the pore-forming agent are dispersed and mixed unevenly, and further, the pores of the porous plate are distributed unevenly and the deviation of the pore size is large; if the addition amount of the pore-forming agent is too much, the porosity of the porous plate is large, the oil locking capacity of the product is low, and oil leakage is easy to occur.
According to still another embodiment of the present invention, the specific type of the inorganic component is not particularly limited, and can be selected by those skilled in the art according to actual needs, for example, selected from SiO2、Al2O3、SrCO3、BaCO3、CaCO3、MgCO3、ZrO2、TiO2、MnO2、Fe2O3At least one of (a). The inventor finds that the porous plate manufactured by mixing and matching the inorganic substances has moderate heat conductivity coefficient and good strength, and the problems of cracking, abnormal deformation and micropore sealing can not occur in the sintering process of the product.
According to another embodiment of the present invention, the specific type of the pore-forming agent is not particularly limited, and can be selected by those skilled in the art according to actual needs, for example, at least one selected from PMMA microspheres, PS microspheres, PVB microspheres, PVC microspheres, PVA microspheres, carbon powder, and graphite powder. Specifically, the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the pore diameter and the porosity of the porous plate can be realized in the subsequent sintering process. The inventor finds that the pore-forming agent can well form an open microporous structure, the microporous structure has good oil absorption and oil locking capacity, and the pore-forming agent can well volatilize in the binder removal sintering process and is free from residue.
According to another embodiment of the present invention, the specific type of the adhesive is not particularly limited, and may be selected by those skilled in the art according to actual needs, for example, at least one selected from PVA glue, PVB glue, carboxymethyl cellulose, and starch. Specifically, the main function of the binder is granulation, so that inorganic component powder has certain viscosity, and the inorganic component powder can be pressed and formed under certain pressure. The inventor finds that the binder can form a coating on the surface of inorganic component powder and provide good binding capacity, so that the porous plate can be well pressed and formed in a dry pressing process, and meanwhile, the binder can be well volatilized in a binder removal and sintering process, and no residue exists after sintering.
According to still another embodiment of the present invention, the specific type of the dispersant is not particularly limited, and may be selected by those skilled in the art according to actual needs, and may be at least one selected from the group consisting of herring oil, hard amide, glyceryl tristearate, butyl stearate, and polyethylene glycol, for example. Specifically, the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials. The inventor finds that the dispersing agent is low in price and cost, has good dispersing effect on inorganic components, can be completely decomposed in the binder removal sintering process, and cannot generate adverse effect on a finished product of the porous plate.
According to still another embodiment of the present invention, the specific type of the solvent is not particularly limited, and may be selected by those skilled in the art according to actual needs, for example, at least one selected from water, alcohol, and ethyl acetate. The inventor finds that the solvents have good environmental compatibility and are volatile, and the binder used in the application can form a stable system in the solvents, and the solvents have no residue after drying.
S200: drying the mixed material
In the step, the mixed material is dried to obtain a dried material.
According to an embodiment of the present invention, the drying conditions are not particularly limited, and those skilled in the art can select the drying conditions according to actual needs, such as the temperature is 60-150 ℃ and the time is 2-12h, further such as the temperature is 60 ℃, 80 ℃, 100 ℃, 120 ℃, 140 ℃, 150 ℃ and the time is 2h, 4h, 6h, 8h, 10h, 12 h; the inventor finds that if the drying treatment temperature is too low and the drying treatment time is too short, the materials are not dried sufficiently, powder is easy to agglomerate, and the product is easy to crack and generate the phenomenon similar to water marks in the dry pressing process; if the temperature of the drying treatment is too high and the drying time is too long, on one hand, the materials are too dry, the caking property is reduced, on the other hand, the caking agent added into the materials is decomposed, the caking property is reduced, and further, the cracking phenomenon is generated in the dry pressing process.
S300: dry pressing the dried material
In the step, the dried material is subjected to dry pressing treatment so as to obtain a molded material. The inventor finds that the dried material contains a certain amount of binder, and the binder has granulation effect, so that inorganic component powder has certain viscosity, and the inorganic component powder can be pressed and formed under certain pressure.
According to an embodiment of the present invention, the dry pressure treatment condition is not particularly limited, and those skilled in the art can select the dry pressure treatment condition according to actual needs, for example, the pressure can be 500-; the inventor finds that the pressure of a plurality of pressing treatments is too small, the pressure maintaining time is too short, so that the product is not compact in pressing, and the product is easy to crack during demoulding; and the excessive pressure maintaining time of the plurality of pressing treatments can cause the surface of the product to crack and sharply reduce the pressing efficiency of the product.
S400: sintering the formed material
In this step, the molding material is subjected to sintering treatment to obtain a sintered piece. Specifically, the sintering treatment may include sequentially connected glue discharging and sintering. The inventor finds that because a large amount of the binder, the pore-forming agent and the dispersant are added into the material, the binder, the dispersant and the pore-forming agent in the molding material are slowly and completely discharged along with slow heating in the rubber discharging process. When the product after binder removal is sintered, the product can shrink to a certain extent, and the product is insulated for a certain time at the highest temperature, so that the internal structure of the product can be completely molded, and the expected design target is achieved.
According to an embodiment of the present invention, the conditions of the sintering process are not particularly limited, and those skilled in the art can select the conditions according to actual needs, for example, the temperature can be 900-; the inventor finds that if the sintering treatment temperature is too low and the heat preservation time is too short, the product is not compact in sintering and poor in strength; if the sintering temperature is too high and the heat preservation time is too long, internal micropores of the product disappear, the product shrinks too much, and the product deforms and warps.
S500: post-treating the sintered part
In this step, the sintered part is subjected to a post-treatment in order to obtain a porous plate. It should be noted that the specific type of the post-treatment is not particularly limited, and those skilled in the art can select the post-treatment according to actual needs, and for example, the post-treatment may include steps of grinding, washing, drying, and the like. Grinding the sintered part to obtain a porous plate with target thickness and flatness; by cleaning the sintered part, particles on the surface of the sintered part can be removed. Thus, the porous plate with the porosity of 30-70 percent adjustable, the pore diameter of 0.03-0.2mm adjustable, the bending strength of more than 10Mpa and the absorption rate of 30-60 percent can be obtained.
According to the utility model discloses a method for preparing perforated plate, through grinding inorganic component, pore-forming agent, binder, dispersant and solvent mixture, can show the mixed effect that increases inorganic component and pore-forming agent, binder, dispersant and solvent, obtain the mixed material that accords with the granularity requirement simultaneously, wherein, the main effect of binder is the granulation, makes to have certain viscidity between the inorganic component powder, and makes it realize the press forming under certain pressure effect; the pore-forming agent is uniformly distributed in the inorganic component after being mixed and ground, and the adjustment of the aperture and the porosity of the porous plate can be realized in the subsequent sintering process; the addition of the dispersing agent can improve the dispersibility of the inorganic components and further improve the mixing uniformity of the mixed materials. Therefore, the obtained porous plate is flat, has regular size, and is not easy to leak oil in the assembly process when used for preparing the tobacco tar atomizer; meanwhile, the structure can conveniently realize the miniaturization of electronic products and has higher strength; the porosity and the pore diameter of the porous plate can be adjusted by adjusting the components of the porous plate, so that the porous plate has good oil absorption and oil locking capacity. Therefore, the porous plate has high porosity, good strength and proper heat conductivity.
The invention will now be described with reference to specific examples, which are intended to be illustrative only and not to be limiting in any way.
Example 1
Mixing SiO2Putting into a ball milling tank, adding PMMA microsphere pore-forming agent, PVA glue, herring oil and water, mixing and grinding for 24h to obtain a mixed material, wherein SiO is2The mass ratio of the PMMA microsphere pore-forming agent to the PVA glue to the herring oil to the water is 1: 0.05: 0.03: 0.03: 0.4; drying the obtained mixed material at 60 ℃ for 12h, and sieving the dried material by using a 100-mesh sieve to obtain a dried material; the dried material is subjected to dry pressing to obtain a flat-plate-shaped forming material, wherein the pressure for the dry pressing is 500Psi, and the time is 5 min; sintering the pressed molding material in a high-temperature box type furnace at 900 ℃ for 240min to obtain a sintered part; and grinding, cleaning and drying the sintered part at 150 ℃ for 2 hours to obtain the porous plate with the required thickness and flatness and without particles on the surface. The porous plate has a thickness of 2.0mm, a length of 9.0mm, a width of 4.0mm, a porosity of 30%, a pore diameter of 0.03mm, and a bending strength of 20 MPa.
Example 2
Mixing Al2O3、SrCO3、BaCO3Mixing the raw materials in a ratio of 1: 1: 1, then adding a PS microsphere pore-forming agent, PVB glue, hard amide and alcohol, mixing and grinding for 24 hours to obtain a mixed material, wherein the mass ratio of the inorganic component to the PS microsphere pore-forming agent to the PVB glue to the hard amide to the alcohol is 1: 0.2: 0.1: 0.15: 0.25; drying the obtained mixed material at 100 ℃ for 7h, and sieving the dried material by using a 100-mesh sieve to obtain a dried material; the dried material is subjected to dry pressing to obtain a flat-plate-shaped forming material, wherein the pressure for the dry pressing is 2000Psi, and the time is 2.5 min; sintering the pressed molding material in a high-temperature box type furnace at 1150 ℃ for 150min to obtain a sintered part; and grinding, cleaning and drying the sintered part at 150 ℃ for 2 hours to obtain the porous plate with the required thickness and flatness and without particles on the surface. The porous plate has a thickness of 2.0mm, a length of 8.0mm, a width of 3.0mm, a porosity of 50%, a pore diameter of 0.1mm, and a bending strength of 15 MPa.
Example 3
Mixing CaCO3、MgCO3、ZrO2Mixing the raw materials in a ratio of 1: 1: 1, then adding a PVB microsphere pore-forming agent, carboxymethyl cellulose, tristearin and ethyl acetate, mixing and grinding for 24 hours to obtain a mixed material, wherein the mass ratio of the inorganic component to the PVB microsphere pore-forming agent to the carboxymethyl cellulose to the tristearin to the ethyl acetate is 1: 0.45: 0.20: 0.001: 0.1; drying the obtained mixed material at 150 ℃ for 2h, and sieving the dried material by using a 100-mesh sieve to obtain a dried material; the dried material is subjected to dry pressing to obtain a flat-plate-shaped forming material, wherein the pressure for the dry pressing is 3500Psi, and the time is 1 min; sintering the pressed molding material in a high-temperature box type furnace at 1250 ℃ for 30min to obtain a sintered part; and grinding, cleaning and drying the sintered part at 150 ℃ for 2 hours to obtain the porous plate with the required thickness and flatness and without particles on the surface. The porous plate has a thickness of 2.0mm, a length of 8.5mm, a width of 3.5mm, a porosity of 70%, a pore diameter of 0.2mm, and a bending strength of 10 MPa.
Example 4
Adding TiO into the mixture2、MnO2、Fe2O3Mixing the raw materials in a ratio of 1: 1: 1, then adding carbon powder, PVA glue, polyethylene glycol and water, mixing and grinding for 24 hours to obtain a mixed material, wherein SiO is2、ZrO2、Al2O3、Fe2O3、CaCO3、MgCO3The mass ratio of the carbon powder to the PVA glue to the polyethylene glycol to the water is 1: 0.1: 0.09: 0.02: 0.2; drying the obtained mixed material at 120 ℃ for 10h, and sieving the dried material by using a 100-mesh sieve to obtain a dried material; the dried material is subjected to dry pressing to obtain a flat-plate-shaped forming material, wherein the pressure for the dry pressing is 1500Psi, and the time is 4 min; placing the pressed molding material in a high-temperature box type furnace for sintering, wherein the sintering temperature is 1050 ℃, and keeping the temperature for 2h to obtain a sintered piece; and grinding, cleaning and drying the sintered part at 150 ℃ for 2 hours to obtain the porous plate with the required thickness and flatness and without particles on the surface. The porous plate has a thickness of 2.0mm, a length of 9.0mm, a width of 4.0mm, a porosity of 60%, a pore diameter of 0.15mm, and a bending strength of 12 MPa.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. A system for making a multi-well plate, comprising:
the mixing and grinding device is provided with an inorganic component inlet, a pore-forming agent inlet, a binder inlet, a dispersing agent inlet, a solvent inlet and a mixed material outlet;
the drying device is provided with a mixed material inlet and a dried material outlet, and the mixed material inlet is connected with the mixed material outlet;
the dry pressing device is provided with a dried material inlet and a formed material outlet, and the dried material inlet is connected with the dried material outlet;
the sintering device is provided with a molding material inlet and a sintering part outlet, and the molding material inlet is connected with the molding material outlet;
a post-treatment unit having a sintered part inlet and a perforated plate outlet, the sintered part inlet being connected to the sintered part outlet.
2. The system of claim 1, wherein the mixing and milling device is a ball mill pot, a V-star mixing bowl, or a sand mill.
3. The system of claim 1 or 2, wherein the drying device is an oven or a spray dryer.
4. The system of claim 1, wherein the dry pressure device is a hydraulic press.
5. The system of claim 1, wherein the sintering device is a high temperature box furnace or a high temperature tunnel furnace.
6. The system of claim 1, wherein the post-treatment unit comprises a grinding device, a cleaning device and a drying device connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622250.7U CN209890515U (en) | 2019-04-30 | 2019-04-30 | System for preparing perforated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622250.7U CN209890515U (en) | 2019-04-30 | 2019-04-30 | System for preparing perforated plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209890515U true CN209890515U (en) | 2020-01-03 |
Family
ID=69000232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920622250.7U Active CN209890515U (en) | 2019-04-30 | 2019-04-30 | System for preparing perforated plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209890515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054506A (en) * | 2019-04-30 | 2019-07-26 | 深圳陶陶科技有限公司 | Prepare the method and system of porous plate |
-
2019
- 2019-04-30 CN CN201920622250.7U patent/CN209890515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054506A (en) * | 2019-04-30 | 2019-07-26 | 深圳陶陶科技有限公司 | Prepare the method and system of porous plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108585810B (en) | Microporous ceramic, preparation method thereof and atomizing core | |
| CN111138175B (en) | Porous ceramic substrate, preparation method thereof and atomizing core | |
| CN109349681B (en) | Porous heating element, atomizer containing porous heating element and porous body preparation method | |
| RU2698847C1 (en) | Needle type heater and method of its production and electrically heated cigarette containing said heater | |
| CN110054506A (en) | Prepare the method and system of porous plate | |
| DE10104882B4 (en) | Activated carbon moldings, process for its preparation, its use and process for the regeneration thereof | |
| CN109349680A (en) | Porous heater, the atomizer comprising porous heater and porous preparation | |
| CN110041092A (en) | Porous plate and tobacco tar atomizer containing porous plate | |
| CN209890515U (en) | System for preparing perforated plate | |
| CN105503232A (en) | Preparation of wall-flow SiC honeycomb ceramic filter | |
| CN112390625B (en) | Composite ceramic part, preparation method thereof, atomization assembly and electronic cigarette | |
| CN113349454A (en) | Ceramic atomizing core and preparation method thereof | |
| CN209376686U (en) | Porous heater, the atomizer comprising porous heater | |
| CN112690507A (en) | Heating element, preparation method thereof, atomizer and electronic device | |
| CN104671826A (en) | Porous alumina ceramic, and preparation method and application thereof | |
| CN113749305A (en) | Electronic cigarette porous ceramic atomizing core and preparation method thereof | |
| CN113105260A (en) | Porous ceramic for low-thermal-conductivity high-porosity electronic cigarette atomization core and preparation method thereof | |
| CN113387572A (en) | Porous material containing hollow glass powder and preparation method and application thereof | |
| CN108863301A (en) | A kind of porous ceramics and its manufacture craft | |
| CN110407566A (en) | A kind of preparation method of double-layer structure porous ceramics | |
| CN111816345A (en) | Printable and anti-dry-heating metal slurry for electronic cigarette and preparation method thereof | |
| CN113354289A (en) | Lead-free porous material and preparation method and application thereof | |
| CN114041628B (en) | Porous ceramic heating element and atomizer | |
| CN101747078B (en) | Making method for sintering high-purity silicon carbide honeycomb ceramics by using nanometer silicon carbide as auxiliary | |
| CN214710375U (en) | Heating element, atomizer and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |