CN114843699A - Production process of composite AGM partition plate and composite forming machine - Google Patents
Production process of composite AGM partition plate and composite forming machine Download PDFInfo
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- CN114843699A CN114843699A CN202210362988.0A CN202210362988A CN114843699A CN 114843699 A CN114843699 A CN 114843699A CN 202210362988 A CN202210362988 A CN 202210362988A CN 114843699 A CN114843699 A CN 114843699A
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- 239000002131 composite material Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 title claims description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 255
- 239000000758 substrate Substances 0.000 claims abstract description 101
- 238000013329 compounding Methods 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 239000003365 glass fiber Substances 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 230000008021 deposition Effects 0.000 claims abstract description 5
- 210000000481 breast Anatomy 0.000 claims description 22
- 230000018044 dehydration Effects 0.000 claims description 17
- 238000006297 dehydration reaction Methods 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000013055 pulp slurry Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of AGM (absorptive glass mat) separator production, and particularly relates to a production process of a composite AGM separator and a composite forming machine, wherein the production process of the composite AGM separator comprises the following steps: step one, carrying out deposition by adopting coarse fiber slurry to prepare a coarse cotton substrate of glass fiber; depositing by adopting fine fiber slurry to prepare a fine cotton substrate of the glass fiber; secondly, overlapping and compounding the coarse cotton substrate and the fine cotton substrate; and step three, dehydrating the combined coarse cotton substrate and fine cotton substrate to further combine the coarse cotton substrate and the fine cotton substrate, and finishing the preparation of the composite AGM separator. The invention compounds two separator substrates with different performances to form a novel composite AGM separator so as to ensure that the use requirements of users are met.
Description
Technical Field
The invention belongs to the technical field of AGM (absorptive glass mat) separator production, and particularly relates to a production process of a composite AGM separator and a composite forming machine.
Background
The AGM separator is a microglass fiber separator. The separator is an important part in the production of the storage battery, and the quality of the separator directly influences the discharge capacity and the charge-discharge cycle service life of the storage battery.
AGM separators are typically made by a conventional inclined wire former, whereby the AGM separator is made in a single layer format. The AGM separator cannot meet the use requirements on the liquid absorption speed and the acid liquid retention capacity, and cannot meet the requirements of different liquid absorption amounts of the positive and negative plates of the battery.
Therefore, the application provides a novel compound forming machine and a novel preparation process, and a composite AGM separator which is formed by compounding two layers of separator substrates with different properties is prepared, so that the use requirements of users are met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a production process of a composite AGM separator, which is used for compounding two kinds of separator substrates with different performances to form a novel composite AGM separator so as to meet the use requirements of users.
In order to achieve the purpose, the technical scheme of the invention is as follows: a production process of a composite AGM separator comprises the following steps:
step one, carrying out deposition by adopting coarse fiber slurry to prepare a coarse cotton substrate of glass fiber; depositing by adopting fine fiber slurry to prepare a fine cotton substrate of the glass fiber;
secondly, overlapping and compounding the coarse cotton substrate and the fine cotton substrate;
And step three, dehydrating the combined coarse cotton substrate and fine cotton substrate to further combine the coarse cotton substrate and the fine cotton substrate, and finishing the preparation of the composite AGM separator.
Preferably, the coarse fiber slurry is dispersed and dewatered by a head flow, wherein the glass fibers are deposited to form a separator sheet and the coarse cotton substrate is prepared.
Preferably, the fine fiber slurry is dispersed and dewatered by a head flow, wherein the glass fibers are deposited to form a separator sheet and the fine cotton substrate is prepared.
Preferably, a vibration step is added between the second step and the third step, and high-frequency micro vibration is provided for the coarse cotton substrate and the fine cotton substrate which are compounded in the second step, so that the compounding degree of the coarse cotton substrate and the fine cotton substrate is further promoted.
Preferably, the dehydration in step three is divided into two times, namely medium vacuum dehydration and high vacuum dehydration.
Based on the same inventive concept as the production process of the composite AGM separator, the invention also provides a composite forming machine, which comprises a coarse cotton substrate forming assembly, a fine cotton substrate forming assembly and a transition assembly, so as to achieve the technical purpose of preparing the composite separator compounded by two substrates with different properties.
The specific technical scheme is as follows: a composite forming machine comprises a coarse cotton substrate forming component, a fine cotton substrate forming component and a transition component; the coarse cotton substrate forming assembly comprises a coarse cotton pulp flowing box, a coarse cotton breast roll, a coarse cotton dewatering box and a coarse cotton couch roll which are sequentially arranged according to the preparation flow of the composite partition plate; the fine cotton substrate forming assembly comprises a fine cotton pulp flowing box, a fine cotton breast roll, a fine cotton dewatering box and a fine cotton couch roll which are sequentially arranged according to the preparation flow of the composite partition plate; the transition assembly comprises an excitation platform, a medium-pressure vacuum box and a high-pressure vacuum box which are arranged behind the coarse cotton couch roll and the fine cotton couch roll, and the composite partition plate compounded by the coarse cotton substrate and the fine cotton substrate is led into an oven to be dried after coming out of the high-pressure vacuum box.
Preferably, the coarse cotton substrate forming assembly further comprises a coarse cotton tight-net roller and a coarse cotton rectifying roller which are arranged on the coarse cotton breast roller and the coarse cotton couch roller.
Preferably, the coarse cotton substrate forming assembly further comprises a composite finishing roller arranged at a station behind the medium-pressure vacuum box.
Preferably, the fine cotton substrate molding assembly further comprises a fine cotton guide roller, a fine cotton deviation rectifying roller, a fine cotton pressing roller and a fine cotton tight roller which are arranged between the fine cotton breast roller and the fine cotton couch roller.
Preferably, the transition assembly further comprises a composite deflection roller and a composite couch roller.
The technical scheme adopted by the invention has the beneficial effects that:
the invention provides a preparation process, which is characterized in that two substrates with different performances are compounded, and the composite partition plate is prepared after dehydration, has multiple performances and meets the use requirements of users.
The invention provides a composite forming process, which comprises a coarse cotton substrate forming assembly, wherein a coarse cotton substrate is prepared after the coarse cotton pulp flowing box flows pulp to disperse and a coarse cotton dewatering box dewaters; the method comprises a fine cotton substrate forming assembly, wherein a fine cotton substrate is prepared after the fine cotton pulp flowing box flows pulp to disperse and the fine cotton dewatering box dewaters; the coarse cotton substrate and the fine cotton substrate are primarily compounded and then processed by a transition assembly; the transition component comprises an excitation platform, a medium-pressure vacuum box and a high-pressure vacuum box, the secondary compounding is completed on the excitation platform, the third compounding is completed in the medium-pressure vacuum box, the fourth compounding is completed in the high-pressure vacuum box, and then the composite partition plate is prepared and is introduced into an oven for drying for later use.
Drawings
FIG. 1 is a schematic flow diagram of an embodiment of a process for producing a composite AGM separator;
fig. 2 is an overall schematic view of an embodiment of a compound molding machine.
In the figures 1 and 2, 1-fine cotton pulp flowing box, 2-fine cotton breast roll, 3-fine cotton dewatering box, 4-fine cotton couch roll, 5-fine cotton tight net roll, 6-fine cotton net pressing roll, 7-fine cotton rectifying roll, 8-fine cotton guide net roll, 9-coarse cotton pulp flowing box, 10-coarse cotton breast roll, 11-coarse cotton dewatering box, 12-coarse cotton couch roll, 13-coarse cotton tight net roll, 14-coarse cotton rectifying roll, 15-excitation platform, 16-medium pressure vacuum box, 17-composite veneer roll, 18-composite rectifying roll, 19-high pressure vacuum box, 20-composite couch roll, 21-fine cotton forming net and 22-coarse cotton forming net.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific embodiment is as follows:
example 1, as shown in fig. 1 and 2, a process for producing a composite AGM separator, comprising the steps of:
firstly, performing flow dispersion on coarse fiber pulp by using a coarse cotton flow box 9, dehydrating by using a coarse cotton dehydration box 11, and bearing and forming by using a coarse cotton breast roll 10 to finish the deposition of glass fibers in the coarse fiber pulp and prepare a coarse cotton substrate;
dispersing the fine fiber pulp slurry by using a fine cotton pulp flowing box 1, dehydrating by using a fine cotton dehydration box 3 and carrying and forming by using a fine cotton breast roll 2 to finish the deposition of glass fibers in the fine fiber pulp slurry and prepare a fine cotton substrate;
Secondly, overlapping the coarse cotton substrate and the fine cotton substrate at the coarse cotton couch roll 12 for primary compounding;
and step three, dehydrating the coarse cotton substrate and the fine cotton substrate compounded in the step two, further compounding the coarse cotton substrate and the fine cotton substrate, and finishing the preparation of the composite AGM separator.
Further, a vibration step is added in the second step and the third step to promote the compounding degree of the coarse cotton substrate and the fine cotton substrate. And (3) applying high-frequency micro vibration to the coarse cotton substrate and the fine cotton substrate compounded in the step (II) through the vibration excitation platform 15, so that the arrangement mode of the upper coarse glass fibers is changed, the Z-direction arrangement of the upper coarse glass fibers is increased, and the upper coarse glass fibers and the lower fine glass fibers are tightly combined, thereby improving the binding force between the upper and lower fibers.
Further, the dehydration process in step three is completed in two times, one time in the medium pressure vacuum box 16 with medium pressure vacuum and the other time in the high pressure vacuum box 19 with high pressure vacuum, ensuring sufficient dehydration. Vacuum dehydration is an important link of dehydration, removes moisture in the wet composite partition plate, greatly improves the dryness of the outgoing net, and is beneficial to improving the air permeability of the composite partition plate.
Based on the same inventive concept as the production process of the composite AGM separator, the invention also provides a composite forming machine, which comprises a coarse cotton substrate forming assembly, a fine cotton substrate forming assembly and a transition assembly, so as to achieve the technical purpose of preparing the composite separator compounded by two substrates with different properties.
The specific embodiment is as follows:
example 2, as shown in fig. 2, a compound molding machine includes a coarse cotton substrate molding assembly, a fine cotton substrate molding assembly, and a transition assembly.
The coarse cotton base forming assembly comprises a coarse cotton pulp flowing box 9, a coarse cotton breast roll 10, a coarse cotton dewatering box 11 and a coarse cotton couch roll 12. The coarse cotton pulp flowing box 9, the coarse cotton breast roll 10, the coarse cotton dewatering box 11 and the coarse cotton couch roll 12 are sequentially arranged according to the process flow direction of the coarse cotton substrate.
The fine cotton substrate forming assembly comprises a fine cotton pulp flowing box 1, a fine cotton breast roll 2, a fine cotton dewatering box 3 and a fine cotton couch roll 4. The fine cotton pulp flowing box 1, the fine cotton breast roll 2, the fine cotton dewatering box 3 and the fine cotton couch roll 4 are sequentially arranged according to the process flow direction of the fine cotton substrate.
The transition assembly includes an excitation platform 15, a medium pressure vacuum box 16, and a high pressure vacuum box 19. The excitation platform 15 is used for receiving the composite partition plate formed by overlapping the coarse cotton substrate and the fine cotton substrate after the coarse cotton couch roll 12. After the composite partition board is vibrated by the excitation platform 15 to improve the bonding force, the composite partition board is subjected to vacuum dehydration by the medium-pressure vacuum box 16 and the high-pressure vacuum box 19, so that the bonding of the coarse cotton substrate and the fine cotton substrate is further promoted, and the prepared composite partition board has enough air permeability.
In the present embodiment, a coarse cotton forming wire 22 is looped over the coarse cotton breast roll 10, the coarse cotton dewatering box 11 and the coarse cotton couch roll 12, and the coarse cotton forming wire 22 is continuously rotated along with the coarse cotton breast roll 10, the coarse cotton dewatering box 11 and the coarse cotton couch roll 12; the slurry dispersed from the coarse cotton headbox 9 falls onto the coarse cotton forming wire 22 to form a preliminary coarse cotton base.
In the present embodiment, a fine cotton forming wire 21 is looped over the fine cotton breast roll 2, the fine cotton dewatering box 3, and the fine cotton couch roll 4, and the fine cotton forming wire 21 is continuously rotated along with the fine cotton breast roll 2, the fine cotton dewatering box 3, and the fine cotton couch roll 4; the slurry dispersed from the fine cotton headbox 1 falls onto the fine cotton forming wire 21 to form a preliminary fine cotton base.
In the use of the composite forming machine of this embodiment, the coarse fiber slurry is dispersed in the coarse cotton slurry tank 9, and is primarily formed after being dewatered by the coarse cotton couch roll 10 and the coarse cotton dewatering tank 11, and the primarily formed coarse cotton substrate is conveyed to the coarse cotton couch roll 12 through the coarse cotton forming wire 22. The fine fiber pulp is subjected to pulp flowing and dispersing in a fine cotton pulp flowing box 1, and is subjected to preliminary forming after being dehydrated by a fine cotton couch roll 2 and a fine cotton dehydration box 3, and a preliminary-formed fine cotton substrate is conveyed to a coarse cotton couch roll 10 through a fine cotton forming net 21. At the coarse cotton couch roll 10, due to the overturning effect of the coarse cotton couch roll 10, the coarse cotton substrate is positioned below the coarse cotton forming net 22, the coarse cotton substrate is just contacted with the fine cotton substrate positioned above the fine cotton forming net 21 for compounding, and the fine cotton substrate and the coarse cotton substrate are compounded for the first time at the coarse cotton couch roll 12 to form a composite partition board preliminarily. The upper and lower books of the preliminarily formed composite clapboard are respectively clamped by a coarse cotton forming net 22 and a fine cotton forming net 21. The composite partition plate after the first compounding is transmitted to the excitation platform 15, the excitation platform 15 provides high-frequency micro vibration to promote the arrangement direction of the coarse glass fibers on the upper part to change, increase the Z-direction arrangement, and tightly combine with the fine glass fibers on the lower part, so that the combination force between the upper layer fibers and the lower layer fibers is improved, and the second compounding is performed. The composite separator after the second compounding is transferred to a medium-pressure vacuum box 16 for vacuum dehydration, which is the third compounding. After the third compounding, the composite partition board is manually peeled off from the space between the coarse cotton forming net 22 and the fine cotton forming net 21, and the composite partition board is led to the high-pressure vacuum box 19 for high-vacuum dehydration, and at the moment, the coarse cotton substrate and the fine cotton substrate are tightly combined together to complete the shaping, which is the fourth compounding. And (5) conveying the composite partition board subjected to the four-time compounding to an oven for continuous drying, and finishing the preparation of the composite partition board.
Further, the coarse cotton base forming assembly further comprises a coarse cotton tight-net roll 13 and a coarse cotton rectifying roll 14. The coarse cotton tight-web roll 13 is used to set and control the tension of the coarse cotton forming web 22 to be stable and proper. Coarse cotton deflection roll 14 is used to ensure that coarse cotton forming wire 22 is in a normal position. The coarse-cotton tight-net roll 13 and the coarse-cotton rectification roll 14 are arranged in suitable positions between the coarse-cotton breast roll 10, the coarse-cotton dewatering box 11 and the coarse-cotton couch roll 12 according to actual production needs.
Further, the coarse cotton substrate forming assembly further comprises a composite facing roll 17. The composite finishing roller 17 is arranged behind the medium-pressure vacuum box 16 and in front of the coarse cotton rectifying roller 14 and is used for finishing the net surface, improving evenness and reducing difference between two surfaces. At the composite facing roll 17, the composite separator is peeled from between the coarse cotton forming wire 22 and the fine cotton forming wire 21.
Further, the fine cotton substrate forming assembly further comprises a fine cotton guide roller 8, a fine cotton deviation correcting roller 7, a fine cotton pressing roller 6 and a fine cotton tight net roller 5. The fine cotton guide roller 8 is used for supporting and depending on the fine cotton forming net 21, transmitting the driving force and the running tension of the net part and correcting and tensioning the forming net. The fine cotton deflection roller 7 is used to ensure that the fine cotton forming wire 21 runs in a normal position. The fine cotton press roll 6 and the fine cotton tightwire roll 5 are used to set and control the fine cotton forming wire 21 to have a stable and proper tension. According to actual production requirements, a fine cotton guide net roller 8, a fine cotton deviation rectifying roller 7, a fine cotton pressing net roller 6 and a fine cotton tight net roller 5 are arranged at proper positions among the fine cotton breast roller 2, the fine cotton dewatering box 3 and the fine cotton couch roller 4.
Further, the transition assembly includes a composite deflection roller 18 and a composite couch roller 20 for ensuring the composite separator plate is in a normal position during the transfer and providing a driving force for the transfer.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the technical solution of the invention or to apply the concept and technical solution of the invention directly to other occasions without modification.
Claims (10)
1. A production process of a composite AGM separator is characterized by comprising the following steps:
step one, carrying out deposition by adopting coarse fiber slurry to prepare a coarse cotton substrate of glass fiber; depositing by adopting fine fiber slurry to prepare a fine cotton substrate of the glass fiber;
secondly, overlapping and compounding the coarse cotton substrate and the fine cotton substrate;
and step three, dehydrating the combined coarse cotton substrate and fine cotton substrate to further combine the coarse cotton substrate and the fine cotton substrate, and finishing the preparation of the composite AGM separator.
2. The process of claim 1, wherein the coarse fiber slurry is dispersed and dewatered by a headbox, wherein the glass fibers are deposited to form a separator sheet, and wherein the coarse cotton substrate is prepared.
3. The process of claim 1, wherein the fine fiber slurry is dispersed and dewatered by a slurry flow, wherein the glass fibers are deposited to form a separator sheet, and wherein the fine cotton substrate is prepared.
4. The process for producing a composite AGM separator according to any one of claims 1 to 3, wherein a vibration step is added between the second step and the third step, and the coarse cotton substrate and the fine cotton substrate combined in the second step are provided with high-frequency micro vibration, so that the combination degree of the coarse cotton substrate and the fine cotton substrate is further promoted.
5. The process for producing a composite AGM separator according to any one of claims 1 to 3, wherein the dehydration in step three is divided into two times, namely medium vacuum dehydration and high vacuum dehydration.
6. A composite forming machine is characterized by comprising a coarse cotton substrate forming component, a fine cotton substrate forming component and a transition component; the coarse cotton substrate forming assembly comprises a coarse cotton pulp flowing box, a coarse cotton breast roll, a coarse cotton dewatering box and a coarse cotton couch roll which are sequentially arranged according to the preparation flow of the composite partition plate; the fine cotton substrate forming assembly comprises a fine cotton pulp flowing box, a fine cotton breast roll, a fine cotton dewatering box and a fine cotton couch roll which are sequentially arranged according to the preparation flow of the composite partition plate; the transition assembly comprises an excitation platform, a medium-pressure vacuum box and a high-pressure vacuum box which are arranged behind the coarse cotton couch roll and the fine cotton couch roll, and the composite partition plate compounded by the coarse cotton substrate and the fine cotton substrate is led into an oven to be dried after coming out of the high-pressure vacuum box.
7. A compound forming machine as defined in claim 6, wherein the coarse cotton base forming assembly further includes coarse cotton tight-web rolls and coarse cotton deflection rolls disposed on the coarse cotton breast roll and the coarse cotton couch roll.
8. A compound molding machine as defined in claim 7 wherein the raw cotton substrate molding assembly further includes a compound facing roll disposed at a station rearward of the medium pressure vacuum box.
9. A compound molding machine as defined in claim 6, wherein the fine cotton substrate molding assembly further comprises a fine cotton guide roll, a fine cotton deflection roll, a fine cotton press roll, and a fine cotton tuck roll disposed between the fine cotton breast roll and the fine cotton couch roll.
10. A compound molding machine as defined in claim 6 wherein the transition assembly further includes a compound deflection roll and a compound couch roll.
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| CN202210362988.0A CN114843699A (en) | 2022-04-08 | 2022-04-08 | Production process of composite AGM partition plate and composite forming machine |
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| CN202210362988.0A CN114843699A (en) | 2022-04-08 | 2022-04-08 | Production process of composite AGM partition plate and composite forming machine |
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