CN104385442A - Roll-forming machine and process of ceramic foam filter blanks - Google Patents
Roll-forming machine and process of ceramic foam filter blanks Download PDFInfo
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- CN104385442A CN104385442A CN201410705967.XA CN201410705967A CN104385442A CN 104385442 A CN104385442 A CN 104385442A CN 201410705967 A CN201410705967 A CN 201410705967A CN 104385442 A CN104385442 A CN 104385442A
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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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
-
- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
-
- 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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Materials (AREA)
Abstract
The invention belongs to the technical field of production equipment of ceramic foam filter blanks, in particular to a roll-forming machine and process of ceramic foam filter blanks. According to the technical scheme, the roll-forming machine comprises rolling presses, pre-drying units and an infrared gas drying unit. Carriers are subjected to two-stage rolling, di-coating and drying. The roll-forming machine and process has such advantages that the production process is simple, products have high surface strength, and dregs rarely fall off during conveying.
Description
Technical field
The invention belongs to the production equipment technical field of ceramic foam filter blank, be specifically related to a kind of roller pressing forming machine and moulding process thereof of ceramic foam filter blank.
Background technology
Ceramic foam filter is after refractory fibre screen pack, honeycomb straight-bore ceramic filter, is applied to the third generation filtering product of various metal liquid alloy purification.Due to the particular filter purification mechanism (mechanical interception that the 3 D stereo network structure of its uniqueness has, exhaust rectification filter residue, the absorption of trickle slag inclusion deep layer) clean-up effect of ceramic foam filter is that refractory fibre screen pack and honeycomb straight-bore ceramic filter are incomparable, its feature is rigid backbone, even structure, quality of molten metal decentralization after filtration is little, filtering accuracy is high, not only can little small solid suspension clamp foreign material to several microns of major part in elimination molten metal, the slag of all right elimination liquid state and gas, use ceramic foam filter filtering molten metal liquid, the flow velocity of molten metal can also be made to become and to relax in order, greatly improve microscopic structure and the mechanical property of foundry goods, improve quality and the compactness of foundry goods, reduce the wearing and tearing of cutter during foundry goods machining, facts have proved, the filter effect of ceramic foam filter is up to 75%-97%.Therefore, ceramic foam filter has been widely used in the cleaning molten of aluminium, copper, iron and steel, is subject to the favor of increasing metallurgical casting enterprise.
Ceramic foam filter is the earliest the aluminium alloy ceramic foam filter of U.S. ConSoLidated Aluminum Developed in 1978, its commodity are called Selee/Al, within 1984, have developed again the Selee/Fe for filtering ferrous metal, the development of domestic casting alloy ceramic foam filter starts from early eighties.Harbin University of Science and Technology can only be used for the filtration of aluminium alloy in the ceramic foam filter that nineteen eighty-two succeeds in developing the earliest.
Ceramic foam filter adopts polyurethane foamed plastics to be carrier, immersed in the slurry be made up of ceramic powders, adhesive, sintering aid, suspending agent etc., then additional size is squeezed out, ceramic size even application is made to become idiosome on carrier framework, again idiosome dried and form through high temperature sintering, ceramic foam filter has the similar pore structure of foamed plastics, and through-hole rate is up to 85%-90%.
Slurry preparation and blank manufacturing process are the key factors affecting ceramic foam filter, and the two complements each other, and different technique needs the slurry preparing different performance.Present production technology will prepare a kind of thicker ceramic size for roll squeezer, by roll squeezer, ceramic size is coated on organic three-dimensional netted foam carrier, and dries in microwave drying equipment; Prepare a kind of rarer ceramic size again for pulp shooting machine; Blank will want secondary drying after drying in microwave after surface spraying grout, upper surface whitewashing; Then overturn blank and expose lower surface, to lower surface spraying grout, also third time dries; Blank after third time is dried sinters in high temperature kiln, and organic Polyurethane carrier at high temperature vapors away, and has just burnt till cancellated ceramic foam filter.But such production process not only cumbersome, the factor restricting continuous prodution is many, and the surface strength of filter is poor, easily causes slag in transportation simultaneously.
Summary of the invention
The object of the invention is for solving that the production technology of prior art is numerous and diverse, the factor of restriction continuous prodution is many, product surface intensity is low, easily falling the problem of slag in transportation, a kind of roller pressing forming machine and moulding process thereof of ceramic foam filter blank are provided.
The present invention solves the problems of the technologies described above the technical scheme taked to be: a kind of roller pressing forming machine of ceramic foam filter blank, comprises two roll squeezers, two prebake equipment and infrared gas drying plant, place first prebake equipment between first described roll squeezer and second roll squeezer and near, second prebake equipment is placed on the right side of described second roll squeezer and near second roll squeezer, described infrared gas drying plant is near second prebake equipment, described roll squeezer comprises the upper and lower pair roller of six cover (1), enter material roller (2), discharge roller (3), entering on material roller (2) and discharge roller (3) to be all provided with conveyer belt (4), enter the head end that material roller (2) is positioned at the upper and lower pair roller of six cover (1), discharge roller (3) is positioned at the end of the upper and lower pair roller of six cover (1), chute (5) is provided with in the top of the six upper and lower pair roller of covers (1), receiver (6) is provided with in the below of the six upper and lower pair roller of covers (1), wherein: also comprise two clutch sprockets (7), motor (8), driving-chain (9), adjusting nut (10) and scraper plate (11), a clutch sprocket (7) is arranged between upper and lower pair roller (1) first roller in middle below and second roller, another clutch sprocket (7) is arranged between upper and lower pair roller (1) the 4th roller in middle below and the 5th roller, driving-chain (9) is enclosed within the power transmission shaft of motor (8), driving-chain (9) is also enclosed within the 6th roller of top in two clutch sprockets (7) and upper and lower pair roller (1), and the direction of rotation of two clutch sprockets (7) is contrary, each roller above in the six upper and lower pair roller of covers (1) is provided with adjusting nut (10), in the six upper and lower pair roller of covers (1), the top of each roller of top is provided with scraper plate (11), in the six upper and lower pair roller of covers (1), the bottom of each roller of below is also provided with scraper plate (11),
Described prebake equipment comprises adjustable fan (12), frame (13), conveyer belt (4), drive (14), motor (8), described adjustable fan (12) is separately positioned on top and the bottom of frame (13), described drive (14) is arranged in frame (13), on the power transmission shaft that described conveyer belt (4) is enclosed within drive (14) and motor (8) and by motor (8) transmission;
Described infrared gas drying plant comprises infrared gas drying plant body (15), conveyer belt (4), drive (14), motor (8), described drive (14) is positioned at the both sides of infrared gas drying plant body (15), on the power transmission shaft that described conveyer belt (4) is enclosed within drive (14) and motor and by motor (8) transmission.
A kind of rolling forming process preparing ceramic foam filter blank of the present invention, comprises following step and gathers:
1) with full-automatic vertical cutting machine the polyurethane foam of monoblock first processed and be cut into sheet, with four post hydraulic cutters or laser formation machine, the polyurethane foam being cut into sheet is cut into the fritter carrier of required form and size again again, and fritter carrier proportion is 0.02 ~ 0.03g/cm
3; Configuration range of viscosities is 50000 ~ 80000mpa.s, and slurry proportion is 2.0 ~ 2.2g/cm
3refractory slurry, add in the chute of roll squeezer;
2) step 1) the fritter carrier that processes is successively placed on conveyer belt, the slurry flowed down by chute is by full for the coating of fritter carrier, again by first roll squeezer carries out first time soaking paste, roll-forming, be 0.2 ~ 0.3g/cm by the blank proportion after roll-in
3
3) be delivered on the conveyer belt be furnished with on first prebake equipment of hot blast again and carry out first time hot-air seasoning, after drying, blank proportion reaches 0.18 ~ 0.28g/cm
3,
4) and then be transferred on second roll squeezer, secondary roll-in also carries out second time soaking paste, roll-forming, and second time roll squeezer chute slurry viscosity scope is 80000 ~ 100000mpa.s, and proportion is 2.1 ~ 2.3g/cm
3, be 0.5 ~ 0.7g/cm by the blank proportion after secondary roll-in
3, then carry out secondary prebake by second prebake equipment, after prebake, weight should reach 0.48 ~ 0.68g/cm
3;
5) blank after twice roll-in, drying forming is dried in infrared gas drying plant, and bake out temperature is 110 ~ 130 DEG C, time 20 ~ 25min, and after drying, weight should reach 0.43 ~ 0.6g/cm
3, every platform former drive line speed is consistent, and by the frequency converter frequency adjustment on every platform equipment, and adjusting range is not all 4 ~ 8m/s according to product.
Compared with prior art, the present invention adopts secondary rolling forming process to not only increase the surface strength of product, in transportation, not easily cause slag.And advantageously in continuous print automated production, greatly improve production efficiency.Simultaneously, roller pressing forming machine of the present invention adopt the six upper and lower pair rollers of cover and head end enter material roller, end discharge roller with the use of, the gap length often overlapped in the middle of upper and lower pair roller can be realized by the adjustment of top roll adjusting nut, upper end has " V " type chute, can feed continuously, lower end is reclaimed size circulations by receiver and is utilized, and Shang each Gun, Installed has scraper plate, and installs the contrary clutch sprocket of two direction of rotation.When cleaning equipment, lower roll keeps clockwise movement, and upper row's roller realizes roll shaft clockwise movement by the reversion of motor, and middle placement one piece cleaning sponge, is convenient to cleaning robot like this.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, the roller pressing forming machine of a kind of ceramic foam filter blank of the present embodiment, comprises two roll squeezers, two prebake equipment and infrared gas drying plant, place first prebake equipment between first described roll squeezer and second roll squeezer and near, second prebake equipment is placed on the right side of described second roll squeezer and near second roll squeezer, described infrared gas drying plant is near second prebake equipment, described roll squeezer comprises the upper and lower pair roller 1 of six covers, enter material roller 2, discharge roller 3, entering on material roller 2 and discharge roller 3 to be all provided with conveyer belt 4, enter the head end that material roller 2 is positioned at the upper and lower pair roller 1 of six covers, discharge roller 3 is positioned at the end of the upper and lower pair roller 1 of six covers, chute 5 is provided with above the upper and lower pair roller 1 of six covers, receiver 6 is provided with in the below of the upper and lower pair roller 1 of six covers, wherein: also comprise two clutch sprockets 7, motor 8, driving-chain 9, adjusting nut 10 and scraper plate 11, clutch sprocket 7 to be arranged in upper and lower pair roller 1 between first roller in below and second roller, another clutch sprocket 7 to be arranged in upper and lower pair roller 1 between the 4th roller in below and the 5th roller, driving-chain 9 is enclosed within the power transmission shaft of motor 8, driving-chain 9 is also enclosed within the 6th roller of top in two clutch sprockets 7 and upper and lower pair roller 1, and the direction of rotation of two clutch sprockets 7 is contrary, each roller above in the upper and lower pair roller 1 of six covers is provided with adjusting nut 10, the top of each roller above in the upper and lower pair roller 1 of six covers is provided with scraper plate 11, in the upper and lower pair roller 1 of six covers, the bottom of each roller of below is also provided with scraper plate 11,
Described prebake equipment comprises adjustable fan 12, frame 13, conveyer belt 4, drive 14, motor 8, described adjustable fan 12 is separately positioned on top and the bottom of frame 13, described drive 14 is arranged in frame 13, and described conveyer belt 4 to be enclosed within drive 14 and the power transmission shaft of motor 8 and by motor 8 transmission;
Described infrared gas drying plant comprises infrared gas drying plant body 15, conveyer belt 4, drive 14, motor 8, described drive 14 is positioned at the both sides of infrared gas drying plant body 15, and described conveyer belt 4 to be enclosed within drive 14 and the power transmission shaft of motor and by motor 8 transmission.
A kind of rolling forming process preparing ceramic foam filter blank of the present invention, comprises following step and gathers:
1) with full-automatic vertical cutting machine the polyurethane foam of monoblock first processed and be cut into sheet, with four post hydraulic cutters or laser formation machine, the polyurethane foam being cut into sheet is cut into the fritter carrier of required form and size again again, and fritter carrier proportion is 0.02g/cm
3; Configuration range of viscosities is 50000mpa.s, and slurry proportion is 2.0g/cm
3refractory slurry, add in the chute 5 of roll squeezer;
2) step 1) the fritter carrier that processes is successively placed on conveyer belt, the slurry flowed down by chute is by full for the coating of fritter carrier, again by first roll squeezer carries out first time soaking paste, roll-forming, be 0.2g/cm by the blank proportion after roll-in
3
3) be delivered on the conveyer belt be furnished with on first prebake equipment of hot blast again and carry out first time hot-air seasoning, after drying, blank proportion reaches 0.18g/cm
3,
4) and then be transferred on second roll squeezer, secondary roll-in also carries out second time soaking paste, roll-forming, and second time roll squeezer chute slurry viscosity scope is 80000mpa.s, and proportion is 2.1g/cm
3, be 0.5g/cm by the blank proportion after secondary roll-in
3, then carry out secondary prebake by second prebake equipment, after prebake, weight should reach 0.48g/cm
3;
5) blank after twice roll-in, drying forming is dried in infrared gas drying plant, and bake out temperature is 110 DEG C, time 20min, and after drying, weight should reach 0.43g/cm
3, every platform former drive line speed is consistent, and by the frequency converter frequency adjustment on every platform equipment, and adjusting range is not all 4m/s according to product.
Embodiment 2
As shown in Figure 1, the roller pressing forming machine of a kind of ceramic foam filter blank of the present embodiment, comprises two roll squeezers, two prebake equipment and infrared gas drying plant, place first prebake equipment between first described roll squeezer and second roll squeezer and near, second prebake equipment is placed on the right side of described second roll squeezer and near second roll squeezer, described infrared gas drying plant is near second prebake equipment, described roll squeezer comprises the upper and lower pair roller 1 of six covers, enter material roller 2, discharge roller 3, entering on material roller 2 and discharge roller 3 to be all provided with conveyer belt 4, enter the head end that material roller 2 is positioned at the upper and lower pair roller 1 of six covers, discharge roller 3 is positioned at the end of the upper and lower pair roller 1 of six covers, chute 5 is provided with above the upper and lower pair roller 1 of six covers, receiver 6 is provided with in the below of the upper and lower pair roller 1 of six covers, wherein: also comprise two clutch sprockets 7, motor 8, driving-chain 9, adjusting nut 10 and scraper plate 11, clutch sprocket 7 to be arranged in upper and lower pair roller 1 between first roller in below and second roller, another clutch sprocket 7 to be arranged in upper and lower pair roller 1 between the 4th roller in below and the 5th roller, driving-chain 9 is enclosed within the power transmission shaft of motor 8, driving-chain 9 is also enclosed within the 6th roller of top in two clutch sprockets 7 and upper and lower pair roller 1, and the direction of rotation of two clutch sprockets 7 is contrary, each roller above in the upper and lower pair roller 1 of six covers is provided with adjusting nut 10, the top of each roller above in the upper and lower pair roller 1 of six covers is provided with scraper plate 11, in the upper and lower pair roller 1 of six covers, the bottom of each roller of below is also provided with scraper plate 11,
Described prebake equipment comprises adjustable fan 12, frame 13, conveyer belt 4, drive 14, motor 8, described adjustable fan 12 is separately positioned on top and the bottom of frame 13, described drive 14 is arranged in frame 13, and described conveyer belt 4 to be enclosed within drive 14 and the power transmission shaft of motor 8 and by motor 8 transmission;
Described infrared gas drying plant comprises infrared gas drying plant body 15, conveyer belt 4, drive 14, motor 8, described drive 14 is positioned at the both sides of infrared gas drying plant body 15, and described conveyer belt 4 to be enclosed within drive 14 and the power transmission shaft of motor and by motor 8 transmission.
A kind of rolling forming process preparing ceramic foam filter blank of the present invention, comprises following step and gathers:
1) with full-automatic vertical cutting machine the polyurethane foam of monoblock first processed and be cut into sheet, with four post hydraulic cutters or laser formation machine, the polyurethane foam being cut into sheet is cut into the fritter carrier of required form and size again again, and fritter carrier proportion is 0.03g/cm
3; Configuration range of viscosities is 80000mpa.s, and slurry proportion is 2.2g/cm
3refractory slurry, add in the chute 5 of roll squeezer;
2) step 1) the fritter carrier that processes is successively placed on conveyer belt, the slurry flowed down by chute is by full for the coating of fritter carrier, again by first roll squeezer carries out first time soaking paste, roll-forming, be 0.3g/cm by the blank proportion after roll-in
3
3) be delivered on the conveyer belt be furnished with on first prebake equipment of hot blast again and carry out first time hot-air seasoning, after drying, blank proportion reaches 0.28g/cm
3,
4) and then be transferred on second roll squeezer, secondary roll-in also carries out second time soaking paste, roll-forming, and second time roll squeezer chute slurry viscosity scope is 100000mpa.s, and proportion is 2.3g/cm
3, be 0.7g/cm by the blank proportion after secondary roll-in
3, then carry out secondary prebake by second prebake equipment, after prebake, weight should reach 0.68g/cm
3;
5) blank after twice roll-in, drying forming is dried in infrared gas drying plant, and bake out temperature is 130 DEG C, time 25min, and after drying, weight should reach 0.6g/cm
3, every platform former drive line speed is consistent, and by the frequency converter frequency adjustment on every platform equipment, and adjusting range is not all 8m/s according to product.
Embodiment 3
As shown in Figure 1, the roller pressing forming machine of a kind of ceramic foam filter blank of the present embodiment, comprises two roll squeezers, two prebake equipment and infrared gas drying plant, place first prebake equipment between first described roll squeezer and second roll squeezer and near, second prebake equipment is placed on the right side of described second roll squeezer and near second roll squeezer, described infrared gas drying plant is near second prebake equipment, described roll squeezer comprises the upper and lower pair roller 1 of six covers, enter material roller 2, discharge roller 3, entering on material roller 2 and discharge roller 3 to be all provided with conveyer belt 4, enter the head end that material roller 2 is positioned at the upper and lower pair roller 1 of six covers, discharge roller 3 is positioned at the end of the upper and lower pair roller 1 of six covers, chute 5 is provided with above the upper and lower pair roller 1 of six covers, receiver 6 is provided with in the below of the upper and lower pair roller 1 of six covers, wherein: also comprise two clutch sprockets 7, motor 8, driving-chain 9, adjusting nut 10 and scraper plate 11, clutch sprocket 7 to be arranged in upper and lower pair roller 1 between first roller in below and second roller, another clutch sprocket 7 to be arranged in upper and lower pair roller 1 between the 4th roller in below and the 5th roller, driving-chain 9 is enclosed within the power transmission shaft of motor 8, driving-chain 9 is also enclosed within the 6th roller of top in two clutch sprockets 7 and upper and lower pair roller 1, and the direction of rotation of two clutch sprockets 7 is contrary, each roller above in the upper and lower pair roller 1 of six covers is provided with adjusting nut 10, the top of each roller above in the upper and lower pair roller 1 of six covers is provided with scraper plate 11, in the upper and lower pair roller 1 of six covers, the bottom of each roller of below is also provided with scraper plate 11,
Described prebake equipment comprises adjustable fan 12, frame 13, conveyer belt 4, drive 14, motor 8, described adjustable fan 12 is separately positioned on top and the bottom of frame 13, described drive 14 is arranged in frame 13, and described conveyer belt 4 to be enclosed within drive 14 and the power transmission shaft of motor 8 and by motor 8 transmission;
Described infrared gas drying plant comprises infrared gas drying plant body 15, conveyer belt 4, drive 14, motor 8, described drive 14 is positioned at the both sides of infrared gas drying plant body 15, and described conveyer belt 4 to be enclosed within drive 14 and the power transmission shaft of motor and by motor 8 transmission.
A kind of rolling forming process preparing ceramic foam filter blank of the present invention, comprises following step and gathers:
1) with full-automatic vertical cutting machine the polyurethane foam of monoblock first processed and be cut into sheet, with four post hydraulic cutters or laser formation machine, the polyurethane foam being cut into sheet is cut into the fritter carrier of required form and size again again, and fritter carrier proportion is 0.025g/cm
3; Configuration range of viscosities is 70000mpa.s, and slurry proportion is 2.1g/cm
3refractory slurry, add in the chute 5 of roll squeezer;
2) step 1) the fritter carrier that processes is successively placed on conveyer belt, the slurry flowed down by chute is by full for the coating of fritter carrier, again by first roll squeezer carries out first time soaking paste, roll-forming, be 0.25g/cm by the blank proportion after roll-in
3;
3) be delivered on the conveyer belt be furnished with on first prebake equipment of hot blast again and carry out first time hot-air seasoning, after drying, blank proportion reaches 0.25g/cm
3;
4) and then be transferred on second roll squeezer, secondary roll-in also carries out second time soaking paste, roll-forming, and second time roll squeezer chute slurry viscosity scope is 90000mpa.s, and proportion is 2.2g/cm
3, be 0.6g/cm by the blank proportion after secondary roll-in
3, then carry out secondary prebake by second prebake equipment, after prebake, weight should reach 0.58g/cm
3;
5) blank after twice roll-in, drying forming is dried in infrared gas drying plant, and bake out temperature is 120 DEG C, time 22min, and after drying, weight should reach 0.5g/cm
3, every platform former drive line speed is consistent, and by the frequency converter frequency adjustment on every platform equipment, and adjusting range is not all 6m/s according to product.
The course of work of secondary rolling forming process of the present invention is: starting device, ensure that the linear velocity of running part reaches between 4 ~ 5m/s, slurry is from feeder channel 5 to dirty material, the fritter carrier of certain specification processed is placed on the conveyer belt 4 before First roll squeezer by rows, first time soaking paste is carried out after carrier is transported to the upper and lower pair roller 1 of roll squeezer, shove, be transported on conveyer belt 4, then on the prebake conveyer belt 4 of prebake equipment, carry out first time oven dry, prebake equipment upper, the air quantity of lower adjustable fan is adjustable all separately, the adjustment of air force is by Frequency Converter Control, thus ensure the uniformity of the air-dry degree of carrier upper and lower surface after a soaking paste.And then enter the conveyer belt of secondary roll squeezer successively, enter roll squeezer and carry out second time soaking paste, shove, through the conveyer belt of roll squeezer carrier, then the conveyer belt of secondary prebake equipment is entered, dried up by carrier surface after soaking paste by upper adjustable fan, lower adjustable fan, the degree that dries up is as the criterion for not being stained with infrared gas drying plant guipure, thus ensure that blank surface is intact, finally enter infrared gas and establish middle oven dry, after oven dry, obtain the blank of ceramic foam filter.Finally blank is placed in kiln and just obtains ceramic foam filter finished product after high temperature sintering.
Claims (2)
1. a roller pressing forming machine for ceramic foam filter blank, comprises two roll squeezers, two prebake equipment and infrared gas drying plant, place first prebake equipment between first described roll squeezer and second roll squeezer and near, second prebake equipment is placed on the right side of described second roll squeezer and near second roll squeezer, described infrared gas drying plant is near second prebake equipment, described roll squeezer comprises the upper and lower pair roller of six cover (1), enter material roller (2), discharge roller (3), entering on material roller (2) and discharge roller (3) to be all provided with conveyer belt (4), enter the head end that material roller (2) is positioned at the upper and lower pair roller of six cover (1), discharge roller (3) is positioned at the end of the upper and lower pair roller of six cover (1), chute (5) is provided with in the top of the six upper and lower pair roller of covers (1), receiver (6) is provided with in the below of the six upper and lower pair roller of covers (1), it is characterized in that: also comprise two clutch sprockets (7), motor (8), driving-chain (9), adjusting nut (10) and scraper plate (11), a clutch sprocket (7) is arranged between upper and lower pair roller (1) first roller in middle below and second roller, another clutch sprocket (7) is arranged between upper and lower pair roller (1) the 4th roller in middle below and the 5th roller, driving-chain (9) is enclosed within the power transmission shaft of motor (8), driving-chain (9) is also enclosed within the 6th roller of top in two clutch sprockets (7) and upper and lower pair roller (1), and the direction of rotation of two clutch sprockets (7) is contrary, each roller above in the six upper and lower pair roller of covers (1) is provided with adjusting nut (10), in the six upper and lower pair roller of covers (1), the top of each roller of top is provided with scraper plate (11), in the six upper and lower pair roller of covers (1), the bottom of each roller of below is also provided with scraper plate (11),
Described prebake equipment comprises adjustable fan (12), frame (13), conveyer belt (4), drive (14), motor (8), described adjustable fan (12) is separately positioned on top and the bottom of frame (13), described drive (14) is arranged in frame (13), on the power transmission shaft that described conveyer belt (4) is enclosed within drive (14) and motor (8) and by motor (8) transmission;
Described infrared gas drying plant comprises infrared gas drying plant body (15), conveyer belt (4), drive (14), motor (8), described drive (14) is positioned at the both sides of infrared gas drying plant body (15), on the power transmission shaft that described conveyer belt (4) is enclosed within drive (14) and motor and by motor (8) transmission.
2. prepare a rolling forming process for ceramic foam filter blank, it is characterized in that: comprise following step and gather:
1) with full-automatic vertical cutting machine the polyurethane foam of monoblock first processed and be cut into sheet, with four post hydraulic cutters or laser formation machine, the polyurethane foam being cut into sheet is cut into the fritter carrier of required form and size again again, and fritter carrier proportion is 0.02 ~ 0.03g/cm
3; Configuration range of viscosities is 50000 ~ 80000mpa.s, and slurry proportion is 2.0 ~ 2.2g/cm
3refractory slurry, add in the chute (5) of roll squeezer;
2) step 1) the fritter carrier that processes is successively placed on conveyer belt, the slurry flowed down by chute is by full for the coating of fritter carrier, again by first roll squeezer carries out first time soaking paste, roll-forming, be 0.2 ~ 0.3g/cm by the blank proportion after roll-in
3
3) be delivered on the conveyer belt be furnished with on first prebake equipment of hot blast again and carry out first time hot-air seasoning, after drying, blank proportion reaches 0.18 ~ 0.28g/cm
3,
4) and then be transferred on second roll squeezer, secondary roll-in also carries out second time soaking paste, roll-forming, and second time roll squeezer chute slurry viscosity scope is 80000 ~ 100000mpa.s, and proportion is 2.1 ~ 2.3g/cm
3, be 0.5 ~ 0.7g/cm by the blank proportion after secondary roll-in
3, then carry out secondary prebake by second prebake equipment, after prebake, weight should reach 0.48 ~ 0.68g/cm
3;
5) blank after twice roll-in, drying forming is dried in infrared gas drying plant, and bake out temperature is 110 ~ 130 DEG C, time 20 ~ 25min, and after drying, weight should reach 0.43 ~ 0.6g/cm
3, every platform former drive line speed is consistent, and by the frequency converter frequency adjustment on every platform equipment, and adjusting range is not all 4 ~ 8m/s according to product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705967.XA CN104385442B (en) | 2014-11-28 | 2014-11-28 | The roller pressing forming machine of a kind of ceramic foam filter blank and moulding process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705967.XA CN104385442B (en) | 2014-11-28 | 2014-11-28 | The roller pressing forming machine of a kind of ceramic foam filter blank and moulding process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104385442A true CN104385442A (en) | 2015-03-04 |
| CN104385442B CN104385442B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705967.XA Active CN104385442B (en) | 2014-11-28 | 2014-11-28 | The roller pressing forming machine of a kind of ceramic foam filter blank and moulding process thereof |
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| Country | Link |
|---|---|
| CN (1) | CN104385442B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275978A (en) * | 2017-01-06 | 2018-07-13 | 秦文隆 | Mandruka process for preparing ceramic |
| CN115350888A (en) * | 2022-07-27 | 2022-11-18 | 晋城市安捷豪铸造材料有限公司 | Foam ceramic filter blank forming process |
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| US4024056A (en) * | 1975-07-21 | 1977-05-17 | Swiss Aluminium Ltd. | Filtering of molten metal |
| CN101117295A (en) * | 2007-09-04 | 2008-02-06 | 佛山市非特新材料有限公司 | Method for preparing foam ceramic filter and filter produced by the method |
| CN203381001U (en) * | 2013-05-10 | 2014-01-08 | 宜兴市华瑞铸造材料有限公司 | Automatic production line for foam ceramic filter |
| CN204295838U (en) * | 2014-11-28 | 2015-04-29 | 晋城市富基新材料股份有限公司 | A kind of roller pressing forming machine of ceramic foam filter blank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4024056A (en) * | 1975-07-21 | 1977-05-17 | Swiss Aluminium Ltd. | Filtering of molten metal |
| CN101117295A (en) * | 2007-09-04 | 2008-02-06 | 佛山市非特新材料有限公司 | Method for preparing foam ceramic filter and filter produced by the method |
| CN203381001U (en) * | 2013-05-10 | 2014-01-08 | 宜兴市华瑞铸造材料有限公司 | Automatic production line for foam ceramic filter |
| CN204295838U (en) * | 2014-11-28 | 2015-04-29 | 晋城市富基新材料股份有限公司 | A kind of roller pressing forming machine of ceramic foam filter blank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275978A (en) * | 2017-01-06 | 2018-07-13 | 秦文隆 | Mandruka process for preparing ceramic |
| CN115350888A (en) * | 2022-07-27 | 2022-11-18 | 晋城市安捷豪铸造材料有限公司 | Foam ceramic filter blank forming process |
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| CN104385442B (en) | 2017-01-04 |
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